C#

Great Reads

Maintain Scroll Position Problem fix for Chrome.

by Wonde Tadesse

The other option will be to use Update Panel ASP.NET control as much as possible. It helps to retain the current position on the page whenever a postback happens to the page.

Comparator - Data Sources Comparer

by Alex Pumpet

A simple program for comparing table data from two sources - SQL databases, Excel, CSV or XML-files

Introduction to D3DImage

by Dr. WPF

.NET 3.5 SP1 is here! It's time to break out your DirectX skills. This article provides the information necessary to get started using a new DirectX interop feature in WPF called D3DImage.

ASP.NET: Understanding OWIN, Katana, and the Middleware Pipeline

by John Atten

OWIN, Katana and Middleware Pipeline in ASP.NET

Latest Articles

Decouple ASP.NET Core Identity, Authentication and Database Engines

by Zijian

Reusable codes for JWT security in business applications

Simplifying Dynamic SQL Queries with Dapper

by Mishael Ogo

A look at a simple SQL builder for Dapper

Visual FA Part 5: Real World Lexing Example w/ JSON

by honey the codewitch

Implementing a simple JSON parser with Visual FA

Functional Programming in C#

by Akram El Assas

Functional Programming in C# through Algebra, Numbers, Euclidean Plane and Fractals

All Articles

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C#

How to submit html form for asp.net C#?with out using asp.net control?

U 19 Apr 2024 by Gerardo Gamo

I know this is very OLD, but NOW myself Im struggling with helping a project that of course also is very old, but anyway, as they are using Web forms or ASPX, here is what I have for anyone having the same issue 1. when working with ASPx, I...

ASP.NET

Get previous character eg: S to R

U 19 Apr 2024 by Member 14224038

Hello, what is the best way to get previous character in A-Z, i am having some APIs that return character say 'E' & am thinking to write a function that will return me 'D' ( previous charater) is there any direct function in c# that returns...

Get previous character eg: S to R

N 19 Apr 2024 by Pete O'Hanlon

To add to the answers given above. You should never limit your code to just consider the latin alphabet; there are so many cases where you need to consider international users. Fortunately, this is very simple to cater for. In the following...

Get previous character eg: S to R

N 18 Apr 2024 by Richard Deeming

Given a char, you can subtract 1 to get the previous code-point: char input = 'E'; char output = (char)(input - 1); // Contains 'D' You just need to decide what range of characters you want to support, and validate that the input is within...

Get previous character eg: S to R

U 18 Apr 2024 by OriginalGriff

Yes: subtraction ... using System; public class Program { public static void Main() { string str = "Hello World"; foreach (char c in str) { Console.Write((char)(c - 1)); } Console.WriteLine(); } }...

How to replace a substring using regex?

U 18 Apr 2024 by Test Mail May2023

using System.Text.RegularExpressions; public class RegexStringReplace { public static string? Replace(string input, string rxPtrn, string rxSubPtrn, string value) { // Create a Regex object with the given pattern Regex...

Regex+

How to replace a substring using regex?

N 18 Apr 2024 by OriginalGriff

I'm not sure what you mean by "I have no idea how to implement this method." since you clear have implemented it and got exactly what I would expect from that when it runs. So I can only assume that the example you give isn't representative of...

Regex+

How to replace a substring using regex?

N 18 Apr 2024 by dzadel

Hello everyone. Let's say I need a C# method with the following signature: static string? Replace(string input, string rxPtrn, string rxSubPtrn, string value); The method replaces, for each input string that matches a regular expression pattern...

Regex+

How to write datatable with blob/clob/nclob columns to parquet file using choparquetwriter

N 18 Apr 2024 by Member 16246257

I want to have a copy of on premise oracle database tables saved in parquet files. There are many different tables and owners in this database, so I decided to use DataTable to make this process as simple as possible. I am using ChoParquetWriter...

Decouple ASP.NET Core Identity, Authentication and Database Engines

U 17 Apr 2024 by Zijian

Reusable codes for JWT security in business applications

Simplifying Dynamic SQL Queries with Dapper

U 16 Apr 2024 by Mishael Ogo

A look at a simple SQL builder for Dapper

SQL

.NET

dapper

Why session getting expired when using the application in .NET core 6 MVC

N 15 Apr 2024 by OriginalGriff

To add to what Dave has said, the session is a Server side construct, not Client - so it's expiration is unrelated to user input unless that input directly causes the Client browser to send (or request) information from the server. Just moving...

MVC6

dotNETCore

Selection rectangle not moving along with datagrid content during scroll

U 15 Apr 2024 by Jo_vb.net

A workaround (not a solution) for improving two of the remaining issues: For private void SelectItemsInRectangle(Rect selectionRect, DataGrid dataGrid, object sender, MouseEventArgs e) you should use the version which was posted here as...

WPF

Why session getting expired when using the application in .NET core 6 MVC

U 15 Apr 2024 by Dave Kreskowiak

Quote: i set the idle timeout for 2 minutes, ... then the session getting expired in 2 minutes It's doing exactly what you told it to do! You said expire the session in 2 minutes, so the session is expiring in 2 minutes. What did you think was...

MVC6

dotNETCore

Why session getting expired when using the application in .NET core 6 MVC

N 15 Apr 2024 by sysproteam123@gmail.com

Hi, I am working on .Net Core 6(MVC) web application, i set the idle timeout for 2 minutes, when i am moving from one page to another page then the session is working correctly, but when i am staying on any particular page and i am moving the...

MVC6

dotNETCore

How can we add filter in macro to read outlook mail

N 15 Apr 2024 by Andre Oosthuizen

As Richard mentioned above, you have no code showing how you are going to loop through the mail items. You also need the 'Outlook.Items' and 'Outlook.MailItem' objetcs for it to work properly. Normally I will not show pointers with as little...

VBA

How can we add filter in macro to read outlook mail

U 15 Apr 2024 by Member 15418280

I want to read email from outlook in excel macro i want to add some filter for fetching email like subject from date etc. What I have tried: I tried condition but not working below is the code. Public Sub CheckEmail_BlueRecruit() '...

VBA

C# is there a way to make a column in a list view invisible?

N 15 Apr 2024 by Graeme_Grant

If you are using data binding, like in this article here: Data binding a ListView[^], then the ListView control becomes a view of the data, not the data container itself. Then you only need to show the properties as columns, as required. This...

ListView

C# is there a way to make a column in a list view invisible?

U 15 Apr 2024 by Ismael_1999

I need to create a list view with 3 columns, but I need also 2 more columns with related data that should not be viewed. Is there a way to do this? Thank you. I use Microsoft Visual Studio 2022 and this application is in Windows Forms. What I...

ListView

C# is there a way to make a column in a list view invisible?

N 14 Apr 2024 by Pete O'Hanlon

As an alternative to Ravi's answer, there is a quick and dirty "hack" that you can use, assuming you are using Windows Forms here. When you add an item into a listview, you are adding an instance of a ListViewItem. This class has a Tag property...

ListView

Visual FA Part 5: Real World Lexing Example w/ JSON

N 14 Apr 2024 by honey the codewitch

Implementing a simple JSON parser with Visual FA

tokens

lexical

JSON

How can compare datetime in lambda query?

N 14 Apr 2024 by M Imran Ansari

In addition to Solution-1, it's advisable to explore further on your own. It's likely that the `lastUpdate` column might contain some null values, triggering exceptions during calculations. You can also try to modify query handle this scenario by...

DateTime

C# is there a way to make a column in a list view invisible?

N 14 Apr 2024 by Ravi Bhavnani

There's no standard way to do this in Windows Forms. The alternative I use is to manage a ListView's configuration in another object and initialize and populate the ListView appropriately.� See this screenshot as an example:...

ListView

Appending list of values in dictionary on same key

U 13 Apr 2024 by Member 14224038

Hello, need help in adding objects in dictionary, so when there is new object i am adding key & object but struggling with object because i cant cast it or am doing something wrong ? & it already has the key am appending value to list on same...

Format of the string does not conform to specification starting at index 0

U 13 Apr 2024 by SproketCoder

I've been attempting to retrieve a table from the SQL DB based on user inputs, but I'm encountering the following error: "Format of the string does not conform to specification starting at index 0". The query I'm using is "SELECT * FROM...

SQL

.NET

Format of the string does not conform to specification starting at index 0

N 12 Apr 2024 by OriginalGriff

Your command string is wrong: SELECT * FROM @Tablename WHERE Created_On >= '@StartDate' AND Created_On

SQL

.NET

How can compare datetime in lambda query?

N 12 Apr 2024 by OriginalGriff

Without your data and some idea what the error message is (and the actual data that generates it) we can't help you - and you have to remember that we can't see your screen, access your HDD, or read your mind - we only get exactly what you type...

DateTime

How can compare datetime in lambda query?

U 12 Apr 2024 by Member 11400059

Hi I have lambda query for get all of my record change in more then 7 days ago. my query is: var result = db.adss.Include(i => i.AdsTpyeFK).Where(i => i.updateFlag == true && i.AdsTpyeFK.name == "gold" && (DateTime.Now - i.lastUpdate).TotalDays...

DateTime

Appending list of values in dictionary on same key

N 12 Apr 2024 by Richard Deeming

Further to Pete's excellent answer, you can use the TryGetValue method[^] to avoid the double key lookup of ContainsKey followed by the indexer: if (!uniqueComp.TryGetValue(cmp1[i].name, out List list)) { list = new List(); ...

Appending list of values in dictionary on same key

N 12 Apr 2024 by Pete O'Hanlon

Your code should look something like this:if (!uniqueComp.ContainsKey(cmp1[i].name)) { uniqueComp.Add(cmp[i].name, new List()); } uniqueComp[cmp[i].name].Add(... whatever the value is ...); Basically, you are testing to see whether you...

Functional Programming in C#

U 11 Apr 2024 by Akram El Assas

Functional Programming in C# through Algebra, Numbers, Euclidean Plane and Fractals

.NET

Selection rectangle not moving along with datagrid content during scroll

N 11 Apr 2024 by Andre Oosthuizen

From what I could make out of your code is that your 'SelectItemsInRectangle' method is only considering the visible rows in your DataGrid at the time that you make the selection. When you scroll, new rows become visible, and your selection...

WPF

Selection rectangle not moving along with datagrid content during scroll

U 10 Apr 2024 by Jo_vb.net

I think you have to calculate the rectangle position every time when it should move. Perhaps it is simpler to delete the rectangle which is on wrong position and create a new one on calculated position if needed. ...

WPF

Selection rectangle not moving along with datagrid content during scroll

U 10 Apr 2024 by Member 16239100

I am attempting to replicate the selection behavior of Windows File Explorer within a WPF DataGrid. Specifically, I aim to implement a selection rectangle that mimics the functionality of File Explorer's selection mechanism. Currently, I have...

WPF

How can I authenticate the authorized user for approval through email?

N 10 Apr 2024 by Graeme_Grant

Quote: When Manager clicks either of the link, it hits the endpoint and their response is Captured in Database. To prevent sharing, the only option is for the intended recipient to log back in, then you verify both the account used to sign in...

How can I authenticate the authorized user for approval through email?

N 10 Apr 2024 by Pete O'Hanlon

I'm afraid you need to go back to whoever gave you the requirements and explain this is a monumentally bad idea, and also impossible to implement. If one manager forwards it to another, you can't prevent that, and you can't change the contents of...

How can I authenticate the authorized user for approval through email?

U 10 Apr 2024 by Vaithilingam Alagappan

When User raise a request for Access. User's Manager needs to approve the request through email. The email will have Approve and Reject link as API endpoint URL. i.e., Approve - https://example.com/api/approve, Reject -...

How could I display a pdf file as an image in C# winform?

N 9 Apr 2024 by Pete O'Hanlon

So, what is it that you want to display as an image? The thumbnail that you would see in Windows Explorer? A detailed, scrollable view of the PDF? I'm going to assume that you want the user to actually see the PDF itself here. If this is the...

WinForms

How could I display a pdf file as an image in C# winform?

N 9 Apr 2024 by PhamLong301

I'm new in C# and I have create a scanner application by C# winform. Now I'm having a problem that when i use treeview for a folder and click in item inside (all items inside are images and pdf file). All image file format display normal in...

WinForms

Crystal report doesn't display all records of the datagridview but olny the last one.

N 9 Apr 2024 by Richard Deeming

Each iteration of your for (int iR = 0; iR

CrystalReports

Crystal report doesn't display all records of the datagridview but olny the last one.

U 9 Apr 2024 by Aggeliki Asimakopoulou

I have created a back - end application in C# with embedded microsft sql server. I am pretty new to crystal reports and I had created one but in a wrong way and I am trying to correct it. I almost don't remember how I created and I feel bad for...

CrystalReports

tv2html: Catalog your TV shows with offline browsable HTML

U 9 Apr 2024 by honey the codewitch

Generate a web browsable interface to your archived TV show content

HTML5

REST

JSON

Any possibility to fine tuning below code...

N 9 Apr 2024 by Thomas Schröter

@George: sorry, but StringBuilder IS the PREFERRED way to create strings from data objects. String concatenation is bad due multiple allocating multiple objects in the heap and copying values around. StringBuilder pre allocates a buffer and...

How to set custom loginpath for autologout session in .NET core 6 MVC

N 9 Apr 2024 by Member 10371658

I am working with .net core MVC project, in which i set the idle timeout and session expired, it should redirect to the session timeout page, where i am showing message to user, your session is auto timeout, but it's redirecting to the...

MVC6

Visual-Studio

How to get a pfx file from okta.cert file

U 9 Apr 2024 by nirmalamari

I entered the right password for the key. But still this issue. is .cert file different from .crt or .cet file

ASP.NET

Sqldataread doesn't read all column and values in join query.

U 9 Apr 2024 by Dave Kreskowiak

You told the SELECT statement to return only the columns from the Invoices table with the "Invoices.*": SELECT Invoices.* FROM Invoices inner JOIN Customers ON Invoices.custID = Customers.custID where Invoices.custID ... By the way, NEVER use...

How to get a pfx file from okta.cert file

N 9 Apr 2024 by nirmalamari

I am exploring the option to use Okta SAML authentication. Since my evaluation period expired for Okta not able to ask in Okta site, so I thought codeproject forum experts might help. When we register a website in Okta, we get a 509 certificate...

ASP.NET

Button click control C#

N 8 Apr 2024 by OriginalGriff

That's some odd code - you only add the button Click event handler if the picture box is clicked: button.Controls.Add(table); panel1.Controls.Add(button); pictureBox.Click += (s, ev) => ...

Button click control C#

N 8 Apr 2024 by Pete O'Hanlon

I'm confused as to what your problem actually is here. In this part, are you saying you are trying to use this code to hook up to the click event? my code for control button in line button.Click += new EventHandler(this.btn_Click); call button...

How to get an array of displays in C# for a windows CE 5.0 application with .NET CF2.0

N 8 Apr 2024 by Graeme_Grant

Nostalgic trip... I used Google Search: windows ce 5.0 get list of screens - Google Search[^] and found this: GetSystemMetrics (Windows CE 5.0) | Microsoft Learn[^] Has this paramater: Quote: SM_CMONITORS Number of display monitors on the...

WinCE

Button click control C#

N 8 Apr 2024 by Graeme_Grant

Set a debug breakpoint on the line: button.Click += new EventHandler(this.btn_Click); and make sure that the line is being hit. If it is, the app will pause on that line.

Button click control C#

N 8 Apr 2024 by Stylus STYLUS

Can't conect button click with buton control My code for button Button btn = (Button)sender; var itemAndPrice = btn.Text; int sno = dataGridView1.Rows.Count + 1; string nazivartikla =...

How to get an array of displays in C# for a windows CE 5.0 application with .NET CF2.0

N 8 Apr 2024 by OriginalGriff

It's been a long time since I did anything with Win CE, but ... as far as I remember, you can't have multi screens at all - and that would explain why Screen.AllScreens doesn't exist. I suspect you are going to have to rethink your project to an...

WinCE

How to get an array of displays in C# for a windows CE 5.0 application with .NET CF2.0

N 8 Apr 2024 by Michi Elsno

I'm trying to develop a Windows CE application in C# in .NET CF2.0 and wanted to know how to get an array of screens. Normally this is done with Screen.AllScreens, but in CF2.0 that is not available. How could I translate Screen.AllScreens to get...

WinCE

Im having issues with godaddy windows hosting server, trying to get this contact form working, works great on local, but not godaddy server

N 8 Apr 2024 by Rod Kemp

Sounds like you are running into a SPF,DKIM, DMARC authentication issue. SPF is a DNS record that tells the receiving email server if the sending server is a valid sender for the domain in the from field of the email. In your case you have the...

.NET

ASP.NET4

ASP

Sqldataread doesn't read all column and values in join query.

N 8 Apr 2024 by Aggeliki Asimakopoulou

SqlDataReader doesn't read all columns and their values in C#. My query in Sql Managemnt Studio works perfectly. Where am I wrong there? Any help will be much appreciated. Thank you so much in advanced. sql = "SELECT Invoices.* FROM Invoices...

Im having issues with godaddy windows hosting server, trying to get this contact form working, works great on local, but not godaddy server

U 8 Apr 2024 by Member 11290735

using System; using System.Collections.Generic; using System.Linq; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using...

.NET

ASP.NET4

ASP

Im having issues with godaddy windows hosting server, trying to get this contact form working, works great on local, but not godaddy server

N 8 Apr 2024 by Pete O'Hanlon

As you are having a problem with a hosting provider, the best thing for you to do is to get in touch with GoDaddy and talk to their support team. You can find their support here[^].

.NET

ASP.NET4

ASP

How do I retrieve the curent values of property name here plus the value before ?

U 7 Apr 2024 by Pete O'Hanlon

If you want to see the value before it changed, use the INotifyPropertyChanging interface and raise the event before you assign the new value. Both of these events have a name property that tells you which property changed.public class...

How do I retrieve the curent values of property name here plus the value before ?

N 7 Apr 2024 by Richard Deeming

The PropertyChangedEventArgs Class[^] does not provide any way to pass the previous and current values of the property. If you want to access those values in an event handler, then you would need to create your own event args class - for...

How do I retrieve the curent values of property name here plus the value before ?

N 7 Apr 2024 by OriginalGriff

If you mean this code: public string Name { get { return name; } set { object before = Name; name = value; OnPropertyChanged("Name", before, Name); } } And that you...

How do I retrieve the curent values of property name here plus the value before ?

N 7 Apr 2024 by George Swan

I would suggest that your Master class has an event handler that handles the Person class Name property changed event. Something along these lines. using System.ComponentModel; using System.Runtime.CompilerServices; public class Program { ...

How to logout and redirect to login after session timeout in .NET core 6 MVC

N 7 Apr 2024 by Graeme_Grant

I popped your question into Google Search and found many solutions. Here is the first one returned: Redirect back to login page after session timeout ASP.NET 5 MVC 6[^]

MVC6

Visual-Studio

What to do image processing or machine learning for task circle detect and compare

U 7 Apr 2024 by Member 16238522

Complimenti! Articolo interessante! Ѕе cerchi un' idea sս dove andare in vacanza vai su seViaggi

.NET

artificial-intelligence

How do I retrieve the curent values of property name here plus the value before ?

N 7 Apr 2024 by AtaChris

public class Person : INotifyPropertyChanged { private string name; public event PropertyChangedEventHandler PropertyChanged; public string Name { get { return name; } set { object before =...

How to logout and redirect to login after session timeout in .NET core 6 MVC

N 7 Apr 2024 by Member 10371658

I am working on .net core 6 MVC project, in which i want to logout the user automatically and redirect to login page, after session idle timeout. please see the below code i have written in program.cs file: builder.Services.AddSession(options...

MVC6

Visual-Studio

Pointing image based on coordinates

U 6 Apr 2024 by Member 16235587

You can use cropperjs library. In that library there is method called "setCropBoxData(data)" you can set your co-ordinates and a cropper-box will be build on top of that co-ordinates. There are multiple options to change as your use case , I...

Javascript

jQuery

Tcp listening for a GPS device

N 5 Apr 2024 by OriginalGriff

Go back to the manufacturers and ask for tech support - you would need the device available to you and running to stand any chance of working out what is wrong and we have neither any access to it nor any idea what it expects! It's possible the...

TcpClient

TCP/IP

Tcp listening for a GPS device

5 Apr 2024 by Vimalsoft(Pty) Ltd

Good Day All its been years since i posted something, am a bit stuck on Something. i bought a GPS device from china and was given a Protocol document and i have written a TCP listening and hosted it on the server. i can use TCP test tools...

TcpClient

TCP/IP

How coud I extend char methods from a new class?

5 Apr 2024 by charles henington

using static System.Char; public class Character { //building off of Accepted solution const string Vowels = "AEIOUaeiou"; //the field represented by the implicit operators protected char value; ...

Leveraging ChatGPT to Build an Automation Framework using the Page Object Model

4 Apr 2024 by Mohammed Faci

How to leverage ChatGPT to Build an Automation Framework using the Page Object Model

C++

ChatGPT

NUnit

Access your Microsoft JSON DOM the easy way with the dynamic keyword

4 Apr 2024 by honey the codewitch

If you're putting together templates or other messes using JSON and C# this may be the ticket for you.

JSON

Calling pyhton script from C# code

4 Apr 2024 by Member 1131834

Hi, I know this is old but maybe it will help someone. I used the following code and it worked as expected. internal class Program { static void Main(string[] args) { ProcessStartInfo start = new ProcessStartInfo(); ...

Python

I am developing a autogenerated tax invoice system but upon clicking the submit button this is showing.

3 Apr 2024 by Srijita Bhattacharya

System.NullReferenceException HResult=0x80004003 Message=Object reference not set to an instance of an object. Source=SmartInvoice StackTrace: at SmartInvoice.Pages.Master.Pages_Master_Index1.d__9.MoveNext() in...

ASP.NET-Core

I am developing a autogenerated tax invoice system but upon clicking the submit button this is showing.

3 Apr 2024 by OriginalGriff

To add to what Graeme has said, this is one of the most common problems we get asked, and it's also the one we are least equipped to answer, but you are most equipped to answer yourself. Let me just explain what the error means: You have tried...

ASP.NET-Core

I am developing a autogenerated tax invoice system but upon clicking the submit button this is showing.

3 Apr 2024 by Graeme_Grant

The answer is in the error message "Object reference not set to an instance of an object". Check the model on the server side in the controller by setting a breakpoint on the return statement. Then check the properties for a null value.

ASP.NET-Core

.dll targeting 'AMD64' incompatible with x86 project (tried common solutions)

3 Apr 2024 by OriginalGriff

To add to what Pete has said, x86 projects build for a 32 bit OS, while AMD64 are built for a 64 bit environment - you can't combine the two in a single executable as the CPU can't be switched between them at run time. So if you want to use a 64...

WPF

.dll targeting 'AMD64' incompatible with x86 project (tried common solutions)

3 Apr 2024 by Pete O'Hanlon

First thing - try to run the project using Any CPU. See if that fixes it for you. If it doesn't, you will need to create an AMD64 specific configuration. From the menu, select Build > Configuration Manager. Select the Active Solution Platform...

WPF

.dll targeting 'AMD64' incompatible with x86 project (tried common solutions)

3 Apr 2024 by Member 16235801

I'm encountering the error ".dll targeting 'AMD64' is not compatible with the project's target platform 'x86'" while building my project in visual studio 2019. What I have tried: Switched project target platform to x64 (if applicable). Cleaned...

WPF

EF8 – Row SQL returning Non-entities

1 Apr 2024 by Mark Pelf

Overview of new changes to EF8 – support for Row SQL returning Non-entities.

EF-Core

Wpf listviewitem style not overriding default behavior

31 Mar 2024 by Graeme_Grant

AlternationIndex and IsSelected are both properties of a ListViewItem, so a standard Style.Trigger will not work. You need to use a MultiTrigger Class (System.Windows) | Microsoft Learn[^]. Examples are provided with that link, however here is...

WPF

Wpf listviewitem style not overriding default behavior

31 Mar 2024 by Mike Hankey

I have a ListView control and I'm trying to create a style to; color alternating rows, which works, color the rows when hovering and selecting. The hovering and selecting is the problem, the default behavior does not allow me to change the...

WPF

C# .NET Core Event Source with Martendb

31 Mar 2024 by GabrieleTronchin

A simple implementation of MartenDB. MartenDB is a .NET Transactional Document DB and Event Store on PostgreSQL. For more information about MartenDB

How do I clear web browser navigation history from code from web app (ASP MVC .NET CORE)

30 Mar 2024 by Pete O'Hanlon

If you want to annoy users, come up with a way to prevent them from being able to go back from your site. There is a way that you could, sort of, achieve this which is to open a new browser tab when you navigate into your site. Your users will...

How do I clear web browser navigation history from code from web app (ASP MVC .NET CORE)

30 Mar 2024 by Dave Kreskowiak

To directly answer the question of a "web app", no, you cannot touch the browser, or any objects in it, like navigation history, from your server-side code. Grant has given you the only options you have from non-privileged code, which does not...

Use MailKit and GreenMail to develop a robust email interaction

30 Mar 2024 by GabrieleTronchin

In this project, I leverage MailKit to seamlessly manage email communication with a test MailService.

.NET

How do I clear web browser navigation history from code from web app (ASP MVC .NET CORE)

30 Mar 2024 by Graeme_Grant

I did a quick Google Search: js clear navigation history - Google Search[^] Found the following answer: Window: history property - Web APIs | MDN[^] Quote: For security reasons the History object doesn't allow the non-privileged code to access...

How do I clear web browser navigation history from code from web app (ASP MVC .NET CORE)

29 Mar 2024 by Perić Željko

Hello, When I right-click the navigate back arrow in my web browser, I can see a list of previous URLs. Is there a way to clear that history from code in a web app? All the best. What I have tried: Searched all over the Internet, and except...

Implementing a Custom IConfiguration Provider with MS SQL Server in C#

29 Mar 2024 by GabrieleTronchin

ASP.NET API with a Custom SQL Configuration Provider

Configuration

Cloudconvert.api NuGet package

29 Mar 2024 by Andre Oosthuizen

To add to what Pete has stated above, you can loop through each URL and create an 'ImportUrlCreateRequest' task for each one, see CloudConvert API[^] With the below code I am using a list called 'importTasks' to store all the...

.NET6.0

Cloudconvert.api NuGet package

29 Mar 2024 by swapnilbhosale

var job = await _cloudConvert.CreateJobAsync(new JobCreateRequest { Tasks = new { import_first_file = new ImportUrlCreateRequest { Url =...

.NET6.0

How coud I extend char methods from a new class?

29 Mar 2024 by Andre Oosthuizen

You are correct in stating that you cannot directly inherit from value types like 'char' or 'int'. You can however create extension methods to add new functionality to these types by using a static class, for example, 'CharacterExtensions'....

How coud I extend char methods from a new class?

29 Mar 2024 by Aggeliki Asimakopoulou

Hello I would like to create a class in C# with some functions extending char class. Example we have some methods like char.IsUpper char.IsLower and I need to create some additional methods and functions in order to be able to use it every time I...

How convert opencvsharp.mat object to skbitmap (skiasharp library)

29 Mar 2024 by Andre Oosthuizen

Not my field of expertise at all but I found the following which might point you in the right direction - System.Drawing.Image to SkiaSharp[^] MS Learn | System.Drawing.Common only supported on Windows[^] Convert System.Drawing.Icon to...

.NET

SkiaSharp

Cloudconvert.api NuGet package

28 Mar 2024 by Pete O'Hanlon

The easiest way for you to add an unknown number of pdf files would be to use an array or list. Inside iterate over the collection to create the value and assign them to Tasks. It doesn't have to be any more complicated than that.

.NET6.0