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right now I am dealing with validation errors with this after the data has been processed determining if there is an error
<br />
If isValid Then<br />
'will clear the error for the row<br />
e.Row.ClearErrors()<br />
Else<br />
'prevents the invalid changes from being submitted<br />
e.Row.AcceptChanges()<br />
End If<br />
It works, just the way that it should, but the logic is odd in that I have to AcceptChanges(). I do understand what is happening, but if someone else who is unaware of what happens in the acceptChanges method they would scratch their head. So is there a better way of doing this?
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When invoking AcceptChanges, the EndEdit method is implicitly called to end any edits. If the RowState of the row was Added or Modified, the tee cref="System.Data.DataRow.RowState"/> becomes Unchanged. If the RowState was Deleted, the row is removed.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemdatadatarowclassacceptchangestopic.asp
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I use the WebClient.DownloadData method to retrieve a file (.pdf) from a Webserver and convert it to a byte array. How can i convert it back to a .pdf file ?
Ouais c'est ca...
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Ok i have done that with a streamreader but unfortunately this file is damaged
I am a newbie
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I just got the correct encoding and everything is fine.
I am a newbie
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Is there any ways I can turn off the mutiple select column in datagrid? it's only allow to select one row at a time.
Lisa
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http://www.thescarms.com/dotNet/SingleSelect.asp
http://www.datagridgirl.com/
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i have made a little flash player in VB 6 so i dont have to open flash files in IE.. My problem is: How do i use swflash.ocx? i know how to load one flash file when my program starts and how i use flash buttons.. but i need to know how i can Browse for a flash file and play it in my player! i've tryed to google for almost a week but i cant find the answer i need anywere.. Plzz Help! sorry for my bad english..
rablexz
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http://www.planet-source-code.com
search: visual basic flash ocx
quite a few there.
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Thank you SO MUCH!!!!!!!!!!
I LOVE YOU MAN!!!
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How to deny the change system date/time using VB
Bye
Mohan balal
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Simple ... You can't.
This is controller by a security policy. Click on Start/Run and type secpol.msc. The open up Security Settings/Local Policies/User Rights Assignments. In the right side box, you'll find "Change the System Time". This is teh list of Groups/User that can change the system time. Just change this list, or if your in a domain/Active Directory environment, change the list accordingly and the policy will take effect in the next refresh cycle.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hi all,
I have MDI application with StatusBar Control.
I want to add capslock and numlock panels..
I tried to establish it with OnKeyUp event
but I have a few problems with it,
one problem is when child window is opened, it gets the messages and not the mainframe...
What is the best way to do it...
Thanks RoyRose78.
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I'm not quite following what you want to do,
but if your trying to send "messages" back to a
MDI Parent StatusBar from a MDI Child, I would use this.
DirectCast(Me.MdiParent, MainForm).Panel1.whatever
DirectCast(Me.MdiParent, MainForm).Panel1.Text = "It Worked"
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Have you tried setting the KeyPreview on your MDI Parent form to True? This should let your main form see all the key events going to the controls under it before they are sent to the controls.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hi,
I have an old dos program that checks a cd-rom. I want to create a GUI using VB 6 to make it easier to run from windows. Is there any way to do this. also the results it gives i need to read back into VB 6 so that I can create a text file showing the results
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If the DOS app outputs everything you need to the screen, you can launch the command and pipe it's output to a text file. Then your VB app can read that text file and decide what to do from there. The command your going to Shell launch would look something like this:
CDCHECKER.EXE D: > C:\results.txt
You'll have to use the Scripting Runtime WshShell object to launch the program and wait for its execution to complete. Set a reference to the Windows Scripting Object Model. This will give you the ability to Dim a WshShell object. Use the Run method of the WshShell object to launch your command line and wait for it to finish.
Dim wshShell As New WshShell
wshShell.Run("CDCHECKER.EXE D: > C:\results.txt", 0, True)
Then it's a simple matter of reading and parsing the results.txt file.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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HI,
Thanks for helping but I am a novice when it comes to VB 6 so I'm not understanding what you said to great. Will I send you what I have put together at the moment.
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I don't have the time to be writing installing VB6 and checking code. To set a reference, all you do is go to the Project menu and click on References near the bottom of the menu. For there, scroll down the list of objects that comes up and find Microsoft Scripting Object Model. Check the box next to it and click OK. Then the code will work.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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I must write an application that connect to a Web Server and retrieve file with a specific extension and place them in a array of bytes.
I dont know where to start (except the fact that i must use System.Net namespace). Can someone help me.;P
I am a newbie
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Download the Application Updater Block from MS Samples and look at the code there.
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I am woking on an application that makes calls to Adobe Acrobat. Acrobat can only be manipulated externally using JavaScript. Trying to port the JavaScript commands into my VB.Net application (Windows based not ASP or Web) has been extremely diffcult.
Is there a method, class or reference which allows me to bring the JavaScript into the project and complie into VB.net code?
I found an application on this website that converts the JavaScript to VB.Net or C# code, but the end result is made to be displayed in a web browser (no good for my Windows app).
Any suggestions/help will be appreciated.
Peter Hesse
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I'm having a very hard time believeing that Acrobat can only be manipulated by Javascript, considering Acrobat exposes a bunch of COM interfaces. After all, there's nothing special about Javascript that gives it exclusive privleges over Acrobat.
There is really no good utility to convert Javascript to VB.NET. The best way to do it is by hand. What does the code look like, in Javascript, you need to convert to VB.NET?
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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From the Adobe Acrobat 6.0 SDK:
Acrobat 6.0 provides a rich set of JavaScript programming interfaces that are designed to be used within the Acrobat environment. It also provides a mechanisim (know as JSObject) that allows external clients to access the same functionality from enviroments such as Visual Basic.
That being said, here is a typical snippet I am dealing with. This one digitally signs a PDF document and sets certain properties of the signature.
var myEngine = security.getHandler( "Adobe.PPKLite" );
myEngine.login( "dps017", "/c/profile/dps.pfx" );
var f = this.getField("Signature");
// Sign the field
f.signatureSign( myEngine,
{ password: "dps017", // provide password
location: "San Jose, CA", // ... see note below
reason: "I am approving this document",
contactInfo: "dpsmith@adobe.com",
appearance: "Fancy"});
I have figured out how to set up the document and have actually figured out the code to create the digital signature block. When signning however, f.signatureSign has several variables that must be passed in the form of objects, with each object containing several properties. In the example above, the location: and reason: are part of a signatureInfo object know as oInfo.
I tried to create a structure and then create an object based upon that structure, but it throws an error.
If you can help I can send a snippet of my code that may give you a better idea of how Adobe claims the JavaScript should be implemented.
Thanks for your reply,
Peter Hesse
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