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Well, I barely have time to look at my own code, let alone someone elses. But, I can point you at a starting point for Web Services, here[^]. On the far right of the page, you'll find Web Services Basics[^]. Start there.
Everything in Web Services is passed back and forth using SOAP, which is a lightweight, XML-based messaging framework.
Does it support encryption and security? Yes! Make sure you download and install the Web Services Enhancements (WSE) 2.0 SP2 for Microsoft .NET[^] to get the latest encryption and security support.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hi to all,
i have one problem with a scanner:
I have found here the sample Twain Scanner that work with Epson scanner.(1640Su)
When I ask to Aquire from Twain
nothing seems to happen
My scanner is visible and work with other programs.
please answer soon
Thanks
MAssimo
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This may seem like a stupid question, but do you have a TWAIN driver installer for your scanner?
Next, without seeing any code and error messages, there's nothing we can do to help you. You haven't given us any information at all, other than "It won't work." What code do you have that won't work?
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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No code error return!!!!!
I click on button "scan" but nothing happen.
I think that the problem is in function
PreFilterMessage because always loop
PS
in my notebook with 2000 server the program work very well
but on customer's computer with 2000 or XP doesn't work
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Again - stupid question - does the machine have a TWAIN driver installed for the scanner?
And, you still haven't provided any code or link to the code your using...
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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OK. I have to ask - ARE YOU NUTS? You're using this in production code your selling?
The library your using has some big problems if your going to use it in a production application that your selling:
1 - It's a third party work, hardly tested, and not guaranteed to work at all!
2 - It's not supported, so you're using "at-your-own-risk".
3 - It's not a comprehensive library. It has minimal functionality.
4 - It's a roll-your-own wrapper for a subset of the TWAIN API found in the file TWAIN_32.DLL. If you have a different version of the .DLL file from what the wrapper was written against, it's not guaranteed to work!
It may work for you, but if that .DLL is different on your clients machine, then your on your own. You'd be MUCH better off using WIA (Windows Image Acquisition). At least that's supported by Microsoft and has better support for more hardware.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hi,
How can I find the maximum margings for a selected printer and a selected papersize ?
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I would like to add Alt+F4 to a PopupMenu. The Menu Editor doesn't list any ALT's except for Alt+Bksp. If this is not possible, can I trap the Alt+F4 combination somehow. I tried Form_KeyPress but it doesn't fire for a form with no ControlBox.
Thanks,
Tim
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Alt-F4 is already used by the forms context menu and is normally used to close an application, even closing Explorer and logging you off. Click on the little icon in the top left corner of the form and look at the keyboard shortcut for Close.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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As I mentioned, my form does not have a ControlBox. I found the answer I needed as follows:
Set form.KeyPreview = True
Private Sub Form_KeyDown(KeyCode As Integer, Shift As Integer)
If Shift = vbAltMask And KeyCode = vbKeyF4 Then
Unload Me
End If
End Sub
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In my table, I have three columns: first_name, last_name, middle_name . I tried to merge them into one column, and this is what I did:
select first_name + ' ' + last_name + ' ' + middle_name as Full_Name from contacts
However, when I do a query on that one, only the ones that have data in all three columns show and if one of the column is missing data wouldn't show.
for example,
orginal table
--------------------------------------
|first_name | last_name | Middle_name|
--------------------------------------
test | test | null |
--------------------------------------
when merges:
-------------------------
| Full_Name |
-------------------------
| null |
-------------------------
if column middle_name is empty, then Full_name would return null, eventhough first_name and last_name have data, why is that happening?
Could someone help me how to make that work?
Thanks a bunch.
John
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it really does help. and I just found another way of doing that:
select isnull(first_name,'')+isnull(last_name,'')+isnull(middle_name,'') from contacts
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When i fill a datagrid with a searchresult there apears two unwanted thing in the grid. A navigation button in the caption and the text "NewDataSet below it. If i use a dataviev they disapear.
How can i get rid of them without using a dataviev (and why are they there, seem useless)?
John
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You solution is to bind the DataGrid to the DataView, not the DataTable itself. DataViews are used so you can sort the data and reorganize the columnns/tables without having to refetch the data into the table again using the new sort or table/column organization. You reorganize the view of the data (which is quicker) instead of wasting time refetching the data from the database with the new view parameters.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Just put something like this:
dataGrid.DataSource = dataset.YourTableName
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You dont learn programming in one day, no matter who you are....
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tan12 wrote:
i need basic codes of timer ,command buttons ,loops and etc for desining my process as i am totally unaware of basics involved in programming and the correct syntax through which will control my process
If you don't know the first thing about programming, and your past your deadline, you're already screwed. For all the basics on how these things work, you'll have to read the documentation, complete with plenty of examples on how they work. Some things are like building blocks, like the Timer controls, others are far more abstract, like loops. You must LEARN how to put them together to get them to do what you want. There is no set formula that will show you how to do it.
This is for Visual Baisc .NET:Visual Basic .NET Concepts - Getting Started[^]
For Visual Basic 6:Topics for a Quick Start with Visual Basic[^]
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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does any one know how to workaround the memory issues with the tree view web control.
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First, your question really belongs in the ASP.NET forum[^] since it has nothing to do with Visual Basic .NET.
Second, what memory issues? How did you come acrossed these issues and what documentation do you have (links would help) that says this is an issue?
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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This morning I changed the PROJECT properties of a VB6 program I'm doing,
After that, when I try to execute it, it gives me the Error Message Box "Sub Main() doesn't exist...
Only problem is it gives the same error in all the other versions of the program I have, even the older versions which I haven't touched or changed
I got to give the project in today...
PLEASE HELP VERY URGENT...
THANKS
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have you renamed any of the files in the project? chances are you just renamed the default startup object and therefore the project is now looking to start from Sub Main(). Since it doesn't exist it's throwing up the exception.
to fix, just go into the project properties and set the startup object to whatever form you want to be the application's main form.
-jim
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What did you change in the project properties? Did you try making a new test project (like a blank Windows application with just an empty form) and seeing if that works?
Without knowing anything about your project, the only suggestion we can make is to recreate the project, place all the controls again, and copy and paste the code from your previous project into this one.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Thanks,
Now The project if started correctly starts from Globals(MODULES), which tells the first form to start.
It has a Sub_main().
So I tried to start it as
PROJECT TYPE:Active DLL
Startup Object:Sub Main
Now it gives the MsgBox " User-defined type not defined"
The thing is, I didn't change the code...
Just the Project Properties...
And even the old versions are giving me the same error..
I tried creating a New application (a simple button and TExt) and it works.
I would copy and paste everything but the project is to long...
And the bosses here are MAD...
Is there anything else I should try?
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