Comments by Graeme_Grant

Graeme_Grant 18hrs ago View

INotiftPropertyChanged is for non-collection properties. ObservableCollection implements the INotifyCollectionChanged for the collection and INotiftPropertyChanged for the properties like Count.

So yes, update the PumpType class to use the INotiftPropertyChanged interface. The best way for you is to use the CommunityToolkit.Mvvm[^],

Rather than just keep guessing, please take the time to do a tutorial and learn how it works. You will save yourself a huge amount of time if you do. Here: MVVM Tutorial[^]

Graeme_Grant 19hrs ago View

You can call it from the constructor.

Graeme_Grant 19hrs ago View

Ah, my bad ... I was writing here without testing. I have updated my solution. Sorry about that.

Graeme_Grant 2 days ago View

Please just don't dump code and expect us to debug and fix it for you.

What is wrong? Please click on "Improve question" and add more detailed information. IS there an error thrown? If so post that error with all information. Are the results not expected? What results are you getting versus what it should be? etc...

Graeme_Grant 3 days ago View

I posted links to the documentation. My code follows that. I only have one screen, so I cannot fully test however I can't see how the documentation is wrong.

Graeme_Grant 3 days ago View

You replied to me, was that intentional? No strings used by me...

Graeme_Grant 3 days ago View

You need Syste.Linq

Graeme_Grant 17-Mar-23 6:06am View

Again, look at my Updated solution. The code has been tested before it was posted. Then test it as I have given you, then fix your AppSettings configuration issues. One step at a time...

Graeme_Grant 16-Mar-23 23:46pm View

Ran fine on my system. I would use the updated version. That way, if the secondary monitor is not available, it will default back to the primary. More bounds checking is required, but that is for you to do.

Graeme_Grant 15-Mar-23 16:19pm View

Have a read of this article, it covers issues with failed installs: Silent ClickOnce Installer for Winform & WPF in C# & VB[^]

Graeme_Grant 14-Mar-23 11:06am View

You are most welcome. 😊

Graeme_Grant 14-Mar-23 5:07am View

All of them? Try manually using a CSS style selector to set the color of the element to check that you have it right.

Graeme_Grant 14-Mar-23 5:06am View

ROFL!

Graeme_Grant 14-Mar-23 4:48am View

If you are asking someone to write it for you, then ask here: Fiverr[^] or here: Freelancer[^]

Graeme_Grant 14-Mar-23 3:49am View

He's struggling with basic coding, RegEx will sink him!

Graeme_Grant 14-Mar-23 1:35am View

All good. They are usually very good at supporting their controls.

Graeme_Grant 13-Mar-23 2:20am View

Please re-read what I wrote in my solution. You are using the wrong project type. net5.0-windows7.0 is not net48 (.NETFramework,Version=v4.8). You need to follow the instructions.

Graeme_Grant 13-Mar-23 0:00am View

moved

Graeme_Grant 12-Mar-23 23:54pm View

Why are you doing that? You don't use UserControls that way ... I have already explained how to use it.

If you want to do it manually, look at the code generated in the [form_name].designer.cs file. Particularly where it adds the control to the form. I won't post the code here, I have given you which file. You need to learn where to look.

Graeme_Grant 12-Mar-23 17:44pm View

If you followed my example, it works.

Using a Control Library makes sure that you have all the correct framework references in the project. Using a Class Library is like taking the training wheels off, you need to know what you are doing - you are not there yet.

The issue that you have now is your code is causing the error to be thrown. You need to remove (comment out) code to find which line of code is doing it.

Also, do the following:

Debug > Window > Exception Settings > tick "Common Language Runtime Exceptions"

This will stop at any exceptions, currently, this is not happening. It may be annoying but will force you to fix the issues.

Graeme_Grant 11-Mar-23 20:43pm View

Glad to hear.
If this helped you, which it appears that it has, please mark the solution as accepted so others will know.

Graeme_Grant 11-Mar-23 20:15pm View

A picture is worth a thousand words. The screenshots in the link provided show you how.

When I look at the screenshots, I see:
1. Highlight the code, right-click on the selection, then choose the conversion option.
2. Right-click on the file to be converted in the solution explorer and choose the conversion option.

Graeme_Grant 11-Mar-23 19:56pm View

Why are you doing his homework for him? He deletes the old questions to try and hide what he is doing.

Graeme_Grant 11-Mar-23 19:55pm View

I'm not doing your homework for you. Try googling, this is a very common question and there are many answers available to you. You just need to try.

Graeme_Grant 11-Mar-23 19:45pm View

Deleted

[redacted]

Graeme_Grant 11-Mar-23 5:57am View

Sounds like programming homework... Apply it to a real life scenario...

Graeme_Grant 10-Mar-23 23:40pm View

This is not your first question, it is your 7th. Please learn to correctly format code blocks for readability. Press the improve question link and update.

Graeme_Grant 10-Mar-23 22:07pm View

We have no idea what your website does, only you do. So how are we supposed to give any feedback?

Graeme_Grant 9-Mar-23 17:37pm View

This is a first-year programming course question. If you can not do this, then you should not be programming.

Graeme_Grant 9-Mar-23 16:27pm View

Over the last 15 questions, you keep asking us to do your homework for you. If you're too lazy to try, then you should change courses. We are not your coding monkeys.

Graeme_Grant 9-Mar-23 6:20am View

Deleted

[moved]

Graeme_Grant 7-Mar-23 7:13am View

It sure does. See my update on how to handle the event notifications.

Graeme_Grant 7-Mar-23 5:11am View

You are welcome 😊

Graeme_Grant 7-Mar-23 4:55am View

This is an oversimplification of how I use it, but it is a good starting point for you.

It uses the ThreadPool, so manages the threads for you. Also, all tasks will encapsulate the execution result. So, if there is a failure, you can check why. I check for all execution result states when I get the completedCount.

When you use async/await, there is no guarantee that the method you call will actually run asynchronously. The internal implementation is free to return using a completely synchronous path. So, if you're making an API where it's critical that you don't block and run some code asynchronously, and there's a chance that the called method will run synchronously (effectively blocking), using await Task.Yield() will force your method to be asynchronous, and return control at that point. The rest of the code will execute at a later time (at which point, it still may run synchronously) in the current context. So in your case, where you need to start a number of jobs quickly, and wait, Task.Yield() will return quickly and allow starting the next job quickly.

Graeme_Grant 6-Mar-23 18:01pm View

See Solution 2 which will do what you want with similar data.

Graeme_Grant 6-Mar-23 0:54am View

It is more involved. There is no context if that is the first or second list, nor how the second list is filtered.

Graeme_Grant 6-Mar-23 0:32am View

Not enough information.

Graeme_Grant 4-Mar-23 5:16am View

{DependencyProperty.UnsetValue}' is not a valid value

Null is not valid ... you need to work out which one ... not enough code to see what you are binding to.

Graeme_Grant 3-Mar-23 15:38pm View

Easily done.

Graeme_Grant 3-Mar-23 9:10am View

6+-year-old question ... not sure that he is still looking for a solution.

Graeme_Grant 2-Mar-23 16:16pm View

Not about the points, I could see that you were struggling, hence my post. But at the same time, I do agree with Bill about some that are on here.

Graeme_Grant 1-Mar-23 4:44am View

Without a physical printer, I can't help any further. You need to step line by line (debug) and check that you are getting the expected results. When you hit a line of code that does not give the information expected, then you need to investigate, diagnose, and find a solution for that line of code.

Have you tried contacting the manufacturer of the printer?

Graeme_Grant 27-Feb-23 22:05pm View

That is quite the code dump. You're doing a postback. Have you set a breakpoint and viewed the postback data? What do you see?

Graeme_Grant 27-Feb-23 7:31am View

You can't drive a car without a motor or wheels...

If it is a pure class library project, then there are various Microsoft Libraries missing. You need to add those missing references.

Graeme_Grant 26-Feb-23 0:08am View

Please do not post questions as solutions. Instead, either click on "Have a Question or Comment" of a question, or click on "Improve Question" and update your question to everyone.

Graeme_Grant 25-Feb-23 22:41pm View

pretty clear, your publishing process has not been done correctly, several files are missing or in the wrong folder: "404 (Not Found)"

Graeme_Grant 24-Feb-23 17:55pm View

You would think that after posting 35 questions, they would know better! If they are not going to try, why should we?

Graeme_Grant 24-Feb-23 7:08am View

I am not going to write it for you, however here is the logic:

1. Split the words in an array
2. loop over each word and compare with "bad"
3. if not equals bad, replace word with equal number of '*'
4. concat/join result string (result = result + word + " ")
5. go to 2.
6. print result

ps: take the time to read the content in the link that I provided for you.

Graeme_Grant 23-Feb-23 1:30am View

Can't do anything without seeing your code.

Graeme_Grant 22-Feb-23 15:27pm View

you need to ask the 3rd-party library people.

Graeme_Grant 21-Feb-23 20:26pm View

Sound like a homework question. You know that we can't see your screen and code here right? Are we supposed to guess what was written?

Graeme_Grant 21-Feb-23 10:38am View

Hopefully, there is enough here to get you started, and the link provided should give you a better understanding of what you can do. I have only given you the bare minimum - the quick and dirty code that I use for small projects.

Graeme_Grant 21-Feb-23 10:29am View

I have not run your code to see why. Sorry, but it is far from ideal under any circumstance. Your best bet is to do it correctly, as designed, then you won't get into these situations where you will be wasting time.

Graeme_Grant 21-Feb-23 10:25am View

"I am using Visual studio 2019 and .netcore 3.1." .... WHY??? Microsoft's official support for 3.1 ended in December last year. Read more here: .NET and .NET Core official support policy[^].

At least update to 6.0 for LTS or 7.0. If you're not locked in with corporate policies, then update to VS 2022 ... Community Edition is FREE.

Graeme_Grant 20-Feb-23 15:57pm View

I did not see your comment as you did not reply to my post.

Graeme_Grant 19-Feb-23 7:36am View

This is an exercise that you need to complete. The code is identical, excluding the nullable that we spoke about earlier. I'm busy with other tasks, like family time.

Graeme_Grant 18-Feb-23 20:51pm View

Is this Blzor serverside?

Graeme_Grant 18-Feb-23 9:42am View

The code above is from a working project - Dot Net 7.0 / VS 2022. However, the code is the same as the link which is from March 2014 = predates .Net 4.8. So it is something that you are doing.

I've updated my solution with a link to a downloadable version of the project that works. Screenshot: WpfExternResLibExample.png - Google Drive[^]

The rest is up to you.

Graeme_Grant 18-Feb-23 8:48am View

remove the bang ! too. Here is the link, again: Trick To Use A ResourceDictionary Only When In Design Mode - TechNet Articles - United States (English) - TechNet Wiki[^]

Graeme_Grant 18-Feb-23 8:39am View

No lang version was mentioned. Remove the ? on the variables. I also provide a link to the older version that should work fine for you.

Graeme_Grant 18-Feb-23 8:06am View

Are they in a resource block?

Graeme_Grant 17-Feb-23 19:06pm View

Please do not repost the same question. Original question here: C# richtextbox editing[^]

Graeme_Grant 17-Feb-23 19:03pm View

Have you set breakpoints and stepping through your code to check what is happening? This is what I would need to do to debug your code.

Side note: Your variable names make it difficult to read - eg: what is cLL1 for? Use names that describe what they are for to make it easy to read. IT will make your debugging experience a lot easier too!

Graeme_Grant 16-Feb-23 6:15am View

Thanks ...

Graeme_Grant 16-Feb-23 3:20am View

see update

Graeme_Grant 16-Feb-23 2:57am View

Are you processing with async/await?

Graeme_Grant 14-Feb-23 8:29am View

This is a 5 year old question :P

Graeme_Grant 14-Feb-23 5:25am View

You should update the question, not post a solution.

You mention what you have but not what errors or issues ... also, you changed the data from Orders and Products to Movies and Actors. Why the change?

Graeme_Grant 14-Feb-23 4:16am View

Which .Net Framework are you using?

Essentially, you need to drop the script and wrap the checkboxes in a form element for the data to post to the server. This is the requirement for any web server language, not just .Net.

Graeme_Grant 13-Feb-23 0:26am View

You don't need to include the RowDetailsTemplate and use a flat data structure.

Graeme_Grant 12-Feb-23 22:48pm View

Great.

Graeme_Grant 12-Feb-23 22:34pm View

Add another csv.Read(); to skip over any unwanted rows... so:

csv.Read(); // skip a row...
csv.Read(); // skip a row...

csv.Read();
csv.ReadHeader();
for (var index = 0; index < csv.HeaderRecord!.Length; index++)
{
	var value = csv.HeaderRecord[index];
	grid.Columns.Add(new GridViewColumn()
	{
		Header = csv.HeaderRecord[index],
		DisplayMemberBinding = new Binding($"[{index}]")
	});

}

while (csv.Read())
{
 // do work here...
}

csv.Read(); reads from the stream into a buffer, csv.ReadHeader(); and csv.Parser.Record decodes the buffer - first for the header, second for the data.

Graeme_Grant 12-Feb-23 5:59am View

If they are correct UTF8, then there should be no issue.

Graeme_Grant 11-Feb-23 6:55am View

Twitter do not generate CSV files, so the CSV file could have been stored incorrectly.

Graeme_Grant 11-Feb-23 6:40am View

moved

Graeme_Grant 11-Feb-23 5:13am View

How to synchronize SQL server ce from defferent clients to SQL server on a LAN - Google Search[^]

Graeme_Grant 11-Feb-23 3:07am View

This is a 3rd-party control. Best place to ask is their support: Issues · helix-toolkit/helix-toolkit · GitHub[^]

Graeme_Grant 10-Feb-23 16:16pm View

Is the DataContext set? Do you have any errors in the DataBindingFailures Debug Windows?

Graeme_Grant 10-Feb-23 15:39pm View

How is this any way related to the question?

Graeme_Grant 10-Feb-23 5:31am View

That article does not address the key requirement. He states:

Quote: "i would like to create grid based on the header from the CSV file"

The Columns are not known, only at the time of reading the CSV file, so reflection won't work.

The Stack Overflow answer has a better chance of working. He's not happy with the 2 class "data-first" solution event though doing it manually would be more work. That is why I asked him the question that I did.

Graeme_Grant 10-Feb-23 3:39am View

What solution have you come up with is better than that in the link?

Graeme_Grant 9-Feb-23 17:48pm View

Oh ... nice to know

Graeme_Grant 9-Feb-23 5:40am View

The issue is not the tutorial... That website will guide you on many control. Please learn from it.

Graeme_Grant 9-Feb-23 4:50am View

it is a tutorial, learn from it.

Graeme_Grant 9-Feb-23 4:31am View

that is a different problem. See my update.

Graeme_Grant 9-Feb-23 4:17am View

WPF app ... no name set

Graeme_Grant 8-Feb-23 22:16pm View

Then 100 labels are not the right choice. You need to re-evaluate why you require them.

Graeme_Grant 8-Feb-23 18:41pm View

Yes, Nullable. You do not need to use the '?', you can instead use:

if (PropertyChanged != null)
{
    PropertyChanged.Invoke(this, new PropertyChangedEventArgs(propertyName));
}

The purpose of the demo code is to show you 2 methods:
1. Using a Property
2. Using a method

I suspect what you need is the second - pass by method. Look at the DashboardWidget UserControl and how it is used from the MainWindow code.

Graeme_Grant 8-Feb-23 17:06pm View

Is this a WinForms app?

Graeme_Grant 8-Feb-23 3:09am View

the message is clear: 'Object' is defined in an assembly that is not referenced.

Graeme_Grant 8-Feb-23 1:35am View

I updated my answer with a working sample using the PictureBox control. Did you try it?

Graeme_Grant 8-Feb-23 0:51am View

moved

Graeme_Grant 7-Feb-23 22:33pm View

I can help fix show/hide but not the initial rendering.

An alternative approach is to use a PictureBox and draw your content on it. This is a more resource-efficient method and gives you greater control over suspending/resuming UI updates.

Graeme_Grant 7-Feb-23 21:33pm View

That is not a flickering issue, that is a drawing/rendering issue, completely different.

~~What control is hosting those labels?~~

Graeme_Grant 7-Feb-23 19:59pm View

You missed what I posted, don't set it on the form as it is not the form that you are modifying. Set it on the control itself that is being updated. Read the StackOverflow post where there is more information.

Graeme_Grant 7-Feb-23 16:59pm View

ty

Graeme_Grant 7-Feb-23 11:27am View

3:27am here ... I'm off to get some rest ... have fun with this!

Graeme_Grant 7-Feb-23 11:26am View

You still need to install the Nuget Package - link provided above. The Nuget Packet is what talks to the SDK/Library.

Graeme_Grant 7-Feb-23 11:08am View

I don't follow... That is the correct Nuget Package version. You need to explain what the problem is that you are having...

IMPORTANT NOTE: I can't test as I do not have a printer. You will need to contact DYMO customer support for that.

Graeme_Grant 7-Feb-23 9:33am View

Already asked here: How to remove STL object from helixviewport3d WPF C# ?[^]. Do not keep posting the same question expecting a different answer.

Graeme_Grant 7-Feb-23 9:31am View

You supplied C# code and your question states C#. There is a VB sample provided for you, if that is the language that you are using, everything is there for you: DCD-SDK-Sample/VisualBasic_Sample at master · dymosoftware/DCD-SDK-Sample · GitHub[^]

Graeme_Grant 7-Feb-23 8:45am View

moved

Graeme_Grant 7-Feb-23 6:44am View

Load it into memory then save it back to a file with the new column.

Graeme_Grant 7-Feb-23 6:41am View

I posted a reply to your original question.

Graeme_Grant 7-Feb-23 5:16am View

If you want help, demanding, abusing, and threatening is not the way to do it.

Graeme_Grant 7-Feb-23 4:27am View

Not my job, I don't work for you. Go to Hire Freelancers & Find Freelance Jobs Online | Freelancer[^] or fiverr/[^] is you want someone to do a "job" for you. We are volunteers helping you with your code.

Graeme_Grant 7-Feb-23 4:09am View

you're returning IEnumerable<ProductTypesData> not ActionResult<IEnumerable<ProductTypesData>>

Graeme_Grant 7-Feb-23 4:07am View

push your code into something like CodePen[^] so it is easy for us to see what is happening.

Graeme_Grant 7-Feb-23 4:04am View

I want to retire with a free income for life ...

But seriously, we're not here to do your work for you. You will need to do more research via using search engines like Google.

Graeme_Grant 7-Feb-23 3:56am View

ty

Graeme_Grant 7-Feb-23 3:45am View

MVVM or code-behind?

Graeme_Grant 7-Feb-23 3:44am View

No, conditional formatting is dynamic. Removing it will remove any formatting based on the conditions. You would have to do that with a script before removing it.

Graeme_Grant 7-Feb-23 3:43am View

If you are happy, please mark as answered so others will know.

Graeme_Grant 7-Feb-23 2:34am View

start a new question as this one was for Winforms

Graeme_Grant 6-Feb-23 18:26pm View

EmpList.Count is the total number of rows as @PIEBALDconsult indicated

Graeme_Grant 6-Feb-23 1:52am View

How is this question different from this one: How to create and add a schedule to an existing azure runbook with C#?[^]

Graeme_Grant 5-Feb-23 17:27pm View

You missed the point of my reply, and the reply of others. We are not going to write your code for you.

The information that you want can be found in the links provided. Part of programming is learning through various techniques, like research. If I was to write the answer for you, I too would need to use those links to work out a solution. I have pointed you in the direction that I would go...

Graeme_Grant 5-Feb-23 5:04am View

It is how it is done in Javascript ... google it

Here is another JS way ... How to Check Internet Connection in HTML CSS & JavaScript[^] however, navigator.online is the final check after an endpoint fails ... you then know why...

Graeme_Grant 5-Feb-23 5:00am View

already answered here: How to handle the error when the external api failed due to internet disconnected[^]

Graeme_Grant 4-Feb-23 21:32pm View

Please update your question with your code for proper context.

Graeme_Grant 4-Feb-23 19:34pm View

I am using VS 2022. 4.6.1 is the minimal version that I can install. Why such an old version? Why not upgrade?

ref: .NET SDKs downloads for Visual Studio[^]

Anyhow, the above code is from a working test app. You can alter the code to suit your version of C#.

Graeme_Grant 4-Feb-23 15:27pm View

What .Net Framework version? Check Project properties. I am locked out from changing my version of C#.

Graeme_Grant 4-Feb-23 14:10pm View

thanks

Graeme_Grant 4-Feb-23 1:48am View

Windows 7, a major release of the Microsoft Windows operating system, has been released in several editions since its original release in 2009. ... upgrade OS

Apart from that, reinstall VS.

Graeme_Grant 3-Feb-23 21:00pm View

You replied to yourself, so I did not get pinged.

Why not use HttpClient in your blazor code, why use javascript?

To answer your question, the call is async, so you need code the javascript accordingly. But again, why do this in javascript when there is a perfectly good version in C#...

Graeme_Grant 3-Feb-23 20:50pm View

I have updated the solution with a new version that works with a single collection.

Graeme_Grant 3-Feb-23 19:55pm View

There are 23,018 records used in that sample app. So, I use distinct collections for each to demonstrate the performance of the CollectionViewSource.

Create a blank WPF app, add the above code, and run it. Set breakpoints and see how it works.

You could use a single collection, however, the root collection will require its own CollectionViewSource to filter out duplicates.

Graeme_Grant 3-Feb-23 3:14am View

Hmmm ... Markov algorithm - Wikipedia[^]

Graeme_Grant 2-Feb-23 11:41am View

Blazor WASM/Web Assembly or Blazor Server?

Graeme_Grant 1-Feb-23 22:50pm View

hmmm... found a couple more free libs. Beyond that, do trials of commercial libs to see if they are any better.

Graeme_Grant 1-Feb-23 20:35pm View

If you're still doing macros, then, from a macro, you could add a sheet to the Tally workbook and generate just the keys. Then in the conditional formatting match function, reference just that column (eg: A:A) in the added sheet, then the conditional formatting will work. The key is what makes conditional formatting wor, just keep it local to the workbook.

Graeme_Grant 1-Feb-23 9:02am View

As you saw, I changed tact and worked on the solution once the data was there. Still uses conditional formatting 😉

Graeme_Grant 1-Feb-23 3:25am View

Try this: GitHub - mono/SkiaSharp: SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.[^]

Graeme_Grant 1-Feb-23 3:12am View

Have you tried any 3rd-party libs?

Graeme_Grant 31-Jan-23 16:44pm View

Your question is no different to: My car won't start, how do I fix it... We need more information...

Graeme_Grant 31-Jan-23 16:28pm View

The code posted above has nothing to do with the TreeView control. Here is a primer on the TreeView control: A simple TreeView example - The complete WPF tutorial[^]

Graeme_Grant 31-Jan-23 14:40pm View

You need to contact the owner of that library.

Graeme_Grant 31-Jan-23 7:09am View

My solution, while works for simple matches, was not suitable for a multi-part key match.

I've just re-read your comments and it's similar to what I've done, just a multi-part key was used.

Graeme_Grant 31-Jan-23 6:23am View

[removed]

Graeme_Grant 31-Jan-23 5:37am View

Actually, it does work spanning multiple selections across multiple sheets - use the CTRL key for multiple selections. You should check your facts before dismissing them.

Graeme_Grant 31-Jan-23 5:32am View

I addressed the question regarding the empty or null exception. I also addressed other issues with your LINQ statement. I was not addressing the distinct, that was not part of your issues listed. Also, I don't have your code, nor can see your screen, so I have no way of knowing exactly what you are doing.

Graeme_Grant 31-Jan-23 1:56am View

Contains does not have an overload for null strings.

Graeme_Grant 30-Jan-23 9:17am View

The code posted is not the issue. Without seeing the rendering code, I can only suggest based on what is a common issue.

Graeme_Grant 26-Jan-23 8:22am View

Does not tell me anything.

Try setting a breakpoint a the start of your code and step. The other is Debug > Windows > Exception settings > Tick "Common Language Runtime Exceptions".

The other possibility is trying to update controls from another thread - this can crash your app without any exceptions thrown. This could make your app appear not to start. The breakpoint suggestion will help identify this.

Graeme_Grant 24-Jan-23 10:36am View

If I am reading this correctly, the .rpt file has the wrong DB connection string.
* Error in File C:\Windows\TEMP\Charge_DDALodgement {D5AF8070-2EA7-44D4-9D5A-DBFD7060F5EF}.rpt > at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSourceInternal(Object val, Type type)
at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSource(DataTable dataTable)
at Reports_Charge_DDALodgement.ViewReport() Additional Info: MachineName : AHB01DDDSAPV02

Graeme_Grant 24-Jan-23 8:29am View

what is the inner exception message?

Graeme_Grant 24-Jan-23 8:27am View

Sorry, been busy and have not had time to look into it. Yes, you need to clarify further. I based my solution on the result data that you showed.

Graeme_Grant 24-Jan-23 8:10am View

Congrats! Sorry, been busy. I'm curious to see your solution...

Post it as a solution to your last question and I'll upvote it. Mark it as solved.

Graeme_Grant 22-Jan-23 19:51pm View

Yes, start a new thread highlighting the issue that you have now.

Graeme_Grant 22-Jan-23 15:12pm View

I have done the difficult part for you, now you have the easy part. I did code it a little different to yours to make it easier to understand...

According to your information, you are allowed to move in all 4 directions, not just straight and down. My understanding is that you need to work out which segments are the longest down part and the longest straight part. You have the path, now it is just a matter of either keeping track of or analyzing post-path findings. So have two variables that count, based on the horizontal movement (left or right) and the down movement. Max value for each is tracked.

Graeme_Grant 22-Jan-23 2:54am View

I have a live test here that works. Is you variable a string and are you confirming that the output is a valid color value - eg: #123456 or Rgb(...) or Hsl(...) ... if not valid, then it won't work. Use your web browser dev tools to inspect what you are emitting.

<table>
    @foreach (PantoneColorModel color in Model.Colors)
    {
        <td style="background-color: @color.ColorHex;">@Html.DisplayFor(model => color.Name)</td>
    }
</table>

emits:

<table>
	<tbody>
		<tr>
			<td style="background-color: #ff0000;">Red</td>
		</tr>
	</tbody>
</table>

My Controller method:

public IActionResult Index()
{
    PantoneColorList list = new PantoneColorList();
    list.Colors.Add(new PantoneColorModel { Name = "Red", ColorHex = "#ff0000" });

    return View(list);
}

Graeme_Grant 22-Jan-23 1:55am View

see my updated solution

Graeme_Grant 21-Jan-23 16:31pm View

In the first link that I provided it did say:

"If you got authentication error, you need to enable Allowing less secure apps in your Yahoo account. Or you can generate App Passwords and use this app password instead of your user password.

Although Yahoo supports OAUTH, but it doesn’t provide mail permission, so OAUTH is not a solution for Yahoo mail."

And also had the following example:

"[VB.NET - Send Email using Yahoo over Explicit SSL (TLS) on 25 or 587 Port - Example]?

Glad that you are sorted.

Graeme_Grant 21-Jan-23 15:23pm View

A neat trick when using Magic Strings[^] is to select it, CTRL-F and check that they match.

Graeme_Grant 21-Jan-23 2:28am View

Years ago there was a memory leak, so had to manually. But now it should be fixed. Old habit.

Graeme_Grant 21-Jan-23 2:09am View

finally will work with the using.

I wrote a Sqlite wrapper lib[^] that does all of this and more already. Not sure why he wants to reinvent the wheel.... Also suggested EF Core ... wrote a sample for him to show how easy it was...

Graeme_Grant 21-Jan-23 0:24am View

Use:

try
{ 

}
catch
{
    tbMessage.Text = "Data Saved";
    return;
}
finally
{
    conn.Close();
}

Graeme_Grant 20-Jan-23 22:52pm View

You're overriding your error message

Graeme_Grant 20-Jan-23 17:47pm View

All good ... see my updated answer with fully commented code. It was an interesting challenge.

PS: I'll leave the straight part to you! 😉

PPS: I will give you a hint ... use this to track direction and not set to -1. You can then find the longest straight path.

path[nextCell[0], nextCell[1]] = -1;

Graeme_Grant 20-Jan-23 13:32pm View

That is a ChatGPT response, not a real answer.

Graeme_Grant 20-Jan-23 3:46am View

There is that! LMAO. Any reason that you did not flag it?

Graeme_Grant 20-Jan-23 3:11am View

you answered a 7-year-old question! Please answer current question where help is required.

Graeme_Grant 19-Jan-23 20:46pm View

5'd ... I just gave him pointers that if he was to go down that road, how to research it. That is his choice if he wants to do so.

Graeme_Grant 19-Jan-23 20:01pm View

Have a look at this: adding custom forms to installshield - Google Search[^] and: How to make a custom installer in install shield - YouTube[^]

Graeme_Grant 19-Jan-23 19:25pm View

Why Pseudo-code and not your actual code? Are you expecting us to respond in kind?

Graeme_Grant 19-Jan-23 18:14pm View

Which line of code does the error happen on? Please update your quest with the full error. This will have the answer for you.

Also, here is a good article on what the error is and how to handle it: Debugging System.NullReferenceException[^]

Graeme_Grant 19-Jan-23 7:13am View

If OriginalGriff's is not what you are looking for, then, so we can better understand, please update your question with a sample set of each, say 20 items in each.

Graeme_Grant 19-Jan-23 5:12am View

If you do not want to use EF Core, download from my article and you will see that I have abstracted key code into classes. eg:

using (var dbCtx = new DbContext(connectionString))
{
    // wraps the database connection and automatically
    //  releases resources avoiding memory leaks
}

FYI, learn EF Core, and you have all supported databases covered: MsSql, MySql, PostgreSql, Oracle, ..., SqLite. Also beneficial if you want to migrate to another DB away from SqLite...

Graeme_Grant 19-Jan-23 0:51am View

How does this question differ to this one: How to fetch username and password during basic authentication for json request in C#?[^] ???

Graeme_Grant 18-Jan-23 18:46pm View

As requested above, by myself and Patrice, you need to post your code if you want any more help. We are more than happy to point you in the right direction.

Graeme_Grant 18-Jan-23 18:33pm View

Vote 3: You want to expand with sample code to show the OP how to do this? eg: After identifying the dll name running under task manager, you would code it as follows: [add code after this].

Graeme_Grant 18-Jan-23 16:49pm View

You do not like DataBinding? DataBinding is not exclusive to MVVM. To enable data binding, you need to use INotifyPropertyChanged.

What's wrong with binding to the SelectedItem or SelectedIndex properties of the ComboBox. Then if the ItemSource is bound, you can use IndexOf on the List/ObservableCollection to set the SelectedIndex (Needs to raise the PropertyChanged event for the data binding to work).

For saving the selection, I would use SelectedItem and the SelectedIndex could change. SelectedItem value is used with IndexOf as described above.

Graeme_Grant 18-Jan-23 16:33pm View

I do not use that API, however, "scopes" are part of the official OAuth 2.0 specification. It is all in the documentation.

Graeme_Grant 18-Jan-23 16:31pm View

Please read what I wrote. You need to contact the author.

Graeme_Grant 17-Jan-23 20:06pm View

No code, so hard to tell, but I am guessing he did not use the eats.order scope.

ref: Scopes - Developers | Uber[^]

Graeme_Grant 17-Jan-23 16:15pm View

you need to go to the maker of that library for help: GitHub - gpailler/MegaApiClient[^]

Graeme_Grant 17-Jan-23 10:42am View

Need to post code so that we can see what you are doing.

Graeme_Grant 17-Jan-23 8:53am View

What he wants and what is possible are not the same thing. He needs to fail then check and report why the call failed.

Graeme_Grant 17-Jan-23 8:50am View

Check it when you fail to fetch then. This will differentiate between a bad URI and offline. Blazor HttpClient under the hood is using JavaScript fetch api.

Graeme_Grant 16-Jan-23 20:01pm View

I'm buried as well otherwise I'd love to try and nut this out. If I can get through my backlog and free up some time, I'll give it a crack.

Looking forward to seeing this solved!

Graeme_Grant 16-Jan-23 11:04am View

Did you ask fellow students?

Graeme_Grant 16-Jan-23 11:02am View

Here is an example from another question [asked yesterday] that allows you to see the filter in action: Filter datagrideview by bindingsource[^]

Graeme_Grant 16-Jan-23 10:57am View

Your question was: "How do I merge data in same datatable?" Your question gives no context and has no code.

The filters are what decide what is viewed, so the data is already merged.

Graeme_Grant 16-Jan-23 10:54am View

What I proposed was:

Time    Data	FilterCol
10:00     1	     Col1
11:00     2	     Col1	
10:00     3	     Col2
11:00     4	     Col2

Graeme_Grant 16-Jan-23 10:48am View

Where is this other data coming from? Do you only have one RDLC or two or more?

This is where posting your code helps. Otherwise, we are left guessing.

Please post some code.

UPDATE: What I proposed is not having 2 columns, use one and a filter. No need to do any merging as already merged.

Graeme_Grant 16-Jan-23 10:44am View

Another good list of resources, however, over 12 years old! What I posted is current and also supports DotNet Core using current methodologies.

Graeme_Grant 16-Jan-23 10:17am View

How are you displaying the DataTable? Are you using a DataGridView? Please update your question with some code, by using the "Improve question" link, so that we can see what you are doing.

Graeme_Grant 16-Jan-23 9:19am View

That is a great series for the basics however those articles are missing more modern techniques.

Graeme_Grant 16-Jan-23 3:39am View

Glad to hear!

Graeme_Grant 15-Jan-23 18:20pm View

"And someone left a condescending comment" - not condescending, but fact. Don't shoot the messengers if it is not the answer that you expect. This kind of attitude will make others not want to help you.

Graeme_Grant 15-Jan-23 15:35pm View

I do remember that DLL...

They are free SVG images that I stripped out to individual files and converted for use in WPF. I will list where and how I did it in the article.

Here is the 2 of Hearts:

    <DataTemplate x:Key="Card-2H">
        <Canvas Width="240.110000610352"
                Height="334.597991943359">
            <Path Fill="#FFF7F7F5" StrokeThickness="1" Data="F1M239.112,314.7C239.112,325.137,230.651,333.599,220.213,333.599L19.899,333.599C9.461,333.599,1,325.137,1,314.7L1,19.897C1,9.46,9.461,1,19.899,1L220.213,1C230.651,1,239.112,9.46,239.112,19.897L239.112,314.7z"/>
            <Path Stroke="#FF231F20" StrokeThickness="1.33299994468689" StrokeMiterLimit="2" Data="F1M239.112,314.7C239.112,325.137,230.651,333.599,220.213,333.599L19.899,333.599C9.461,333.599,1,325.137,1,314.7L1,19.897C1,9.46,9.461,1,19.899,1L220.213,1C230.651,1,239.112,9.46,239.112,19.897L239.112,314.7z"/>
            <Path Fill="#FFE52C3F" StrokeThickness="1" Data="F1M23.307,57.825C21.644,57.308 19.059,58.217 18.109,61.988 18.029,62.193 17.947,62.189 17.872,61.98 16.501,58.16 14.243,57.325 12.655,57.825 10.303,58.583 8.396,61.388 8.571,64.968 8.617,71.213 14.207,74.359 17.98,80.332 21.755,74.359 27.407,71.223 27.423,64.949 27.749,61.333 25.724,58.571 23.307,57.825"/>
            <Path Fill="#FFE52C3F" StrokeThickness="1" Data="F1M18.007,80.369C17.997,80.356 17.989,80.344 17.98,80.332 17.972,80.344 17.964,80.356 17.956,80.369L18.007,80.369"/>
            <Path Fill="#FFE52C3F" StrokeThickness="1" Data="F1M222.131,254.265C218.357,260.237 212.705,263.375 212.688,269.648 212.361,273.264 214.388,276.028 216.804,276.773 218.467,277.289 221.052,276.38 222.003,272.609 222.081,272.404 222.167,272.408 222.24,272.617 223.611,276.436 225.868,277.271 227.456,276.773 229.809,276.015 231.716,273.208 231.54,269.629 231.495,263.385 225.904,260.237 222.131,254.265"/>
            <Path Fill="#FFE52C3F" StrokeThickness="1" Data="F1M222.107,254.228C222.115,254.241 222.124,254.252 222.131,254.265 222.139,254.252 222.148,254.241 222.156,254.228L222.107,254.228z"/>
            <Path Fill="#FFE52C3F" StrokeThickness="1" Data="F1M120.057,242.889C120.079,242.923 120.1,242.955 120.121,242.988 120.141,242.955 120.164,242.923 120.185,242.889L120.057,242.889z"/>
            <Path Fill="#FFE52C3F" StrokeThickness="1" Data="F1M143.649,281.396C143.533,265.783 129.563,257.919 120.121,242.988 110.688,257.919 96.56,265.759 96.521,281.44 95.704,290.481 100.764,297.391 106.807,299.251 110.964,300.541 117.424,298.269 119.8,288.844 119.997,288.328 120.205,288.339 120.393,288.861 123.821,298.411 129.472,300.499 133.444,299.251 139.323,297.353 144.085,290.343 143.649,281.396"/>
            <Path Fill="#FFE52C3F" StrokeThickness="1" Data="F1M120.044,91.708C120.024,91.675 120.001,91.643 119.98,91.611 119.959,91.643 119.937,91.675 119.916,91.708L120.044,91.708z"/>
            <Path Fill="#FFE52C3F" StrokeThickness="1" Data="F1M133.304,35.348C129.148,34.056 122.677,36.328 120.303,45.753 120.104,46.269 119.896,46.257 119.708,45.735 116.284,36.184 110.637,34.099 106.668,35.348 100.789,37.244 96.024,44.255 96.461,53.201 96.579,68.816 110.548,76.679 119.98,91.611 129.424,76.679 143.552,68.839 143.591,53.156 144.409,44.117 139.349,37.208 133.304,35.348"/>
            <Path Fill="#FFE52C3F" StrokeThickness="1" Data="F1M27.429,46.995L24.395,46.981 24.383,48.913 11.636,48.913C11.703,48.468 11.896,47.905 12.252,47.261 12.904,46.075 14.055,44.679 15.435,43.299 16.816,41.913 18.424,40.527 19.989,39.267L19.996,39.263 20.008,39.252C21.901,37.676 23.517,36.512 24.831,35.121 25.483,34.425 26.057,33.663 26.487,32.777 26.919,31.892 27.195,30.896 27.297,29.796 27.319,29.565 27.329,29.317 27.329,29.048 27.328,28.301 27.241,27.396 26.992,26.419 26.617,24.963 25.861,23.323 24.42,22.031 22.981,20.735 20.884,19.888 18.185,19.897 16.019,19.893 14.24,20.457 12.881,21.373 11.863,22.057 11.091,22.921 10.523,2

Graeme_Grant 15-Jan-23 12:09pm View

All good. I just helped clean up his card framework. It was a C# to VB conversion from a previous Q&A. I will at some point turn it into an article. Having a little play with the UI side before I do: Animated card Sorting[^] 😉

Graeme_Grant 15-Jan-23 11:41am View

*cough* not my code ... This is separate, and not directly related to, the questions that I answered.

He is keen to learn, just not quite clicked yet.

Graeme_Grant 15-Jan-23 11:31am View

😬

Graeme_Grant 15-Jan-23 11:29am View

This is a variation on the "Largest Sum Contiguous Subarray" which can have a Time Complexity of O(N). I would generate a proof but I don't want to do his homework for him... This should be enough of a tip to point him in a direction.

Graeme_Grant 15-Jan-23 9:51am View

Read my comment below to @0x01AA ... VirtualMode does not do what you (and I) thought. My understanding was based on WPF. View the links provided on how it works.

My solution is a tool that you can use to try out filters.

Graeme_Grant 15-Jan-23 9:44am View

Hmmm... I don't normally do WinForm. Thought it was the same as WPF/Blazor/MAUI/Xamarin.

DataGridView.VirtualMode Property (System.Windows.Forms) | Microsoft Learn[^].

Gets or sets a value indicating whether you have provided your own data-management operations for the DataGridView control.

More information here on bound and unbound: Virtual Mode in DataGridView Control - Windows Forms .NET Framework | Microsoft Learn[^]

ps: thanks for the vote! 😊

Graeme_Grant 15-Jan-23 8:30am View

Are you using VirtualMode?

Graeme_Grant 15-Jan-23 8:28am View

No, that is WPF.

Graeme_Grant 15-Jan-23 5:44am View

So you're asking us to write your code for you?

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