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Value Cannot Be Null. Parameter Name In Vb.net

share|improve this answer answered Oct 23 '15 at 9:32 Koi Tsang 444 Yes, I will add the try block. –Yoann ARNAUD Oct 23 '15 at 10:51 add a comment| I forgot to create the "New" dataset. Insted of that you can pass the sqlcommand alone to it. So, I've consolidated the two methods into one event handler and hopefully that's the last I'll see of this error. weblink

How to capture disk usage percentage of a partition as an integer? To start viewing messages, select the forum that you want to visit from the selection below. As someone who answers a lot of questions here, it gets rather frustrating when I know that the person posting the question has easy access to information important to diagnosing the You'll find a reference to your project there, like is mentioned in Martin Xiel's answer.

Parameter name: dataSet Description: An unhandled exception occurred during the execution of the current web request. Public Sub FillDataSet(ByVal dSet) SqlDataAdapter1.Fill(dSet) End Sub Nov 20 '05 #2 P: n/a Thanks for a quick reply; howerver, doens't line 3 below instantiate the dataset? -----Original Message----- Exception Details: System.ArgumentNullException: It's quick & easy. But when I try the first option it gives me the error: Event 'UnhandledException' cannot be found.

  1. How is the correct air speed for fuel combustion obtained at the inlet of the combustor?
  2. Can anybody help me?
  3. I do not have any other project but in the beginning, it was not giving such an error..
  4. The pot that calleth the kettle black has already been reported so if we're really lucky the choice will be taken away from you!
  5. Results 1 to 25 of 25 Thread: Help !!! "value cannot be null" Paramater name: objectType Tweet Thread Tools Show Printable Version Subscribe to this Thread… Display Linear Mode Switch to
  6. Reply With Quote Jul 28th, 2010,08:17 AM #6 cicatrix View Profile View Forum Posts PowerPoster Join Date Dec 2009 Location Moscow, Russia Posts 3,654 Re: Help !!! "value cannot be null"
  7. I plan to try to look into whether there are any binary (non-visible) characters in the lines, but the code was entered using the VS editor so I don't expect to

it now works fine. For google, may solve Problem with Tags : Parametername: activationContext {"Der Wert darf nicht NULL sein.\r\nParametername: activationContext"} SMDiagnostics 4.0.0.0 Visual Basic .Net Express 2010 Quellen suchen Projekt nicht ausführbar Proposed as Visual Studio Designer - Value cannot be null. During my coding, I happen to get this error continuously.

I want to ssh connect to a server. Join them; it only takes a minute: Sign up “value cannot be null, parameter name data” error with Renci.SshNet.sshclient.connect() [duplicate] up vote 0 down vote favorite 1 This question already has info) Line 1045 C# Microsoft.CodeAnalysis.dll!Microsoft.CodeAnalysis.Diagnostics.AnalyzerExecutor.ExecuteSyntaxNodeAction(Microsoft.CodeAnalysis.Diagnostics.SyntaxNodeAnalyzerAction syntaxNodeAction, Microsoft.CodeAnalysis.SyntaxNode node, Microsoft.CodeAnalysis.SemanticModel semanticModel, System.Action addDiagnostic, Microsoft.CodeAnalysis.Diagnostics.AnalysisState.SyntaxNodeAnalyzerStateData analyzerStateOpt) Line 494 C# Microsoft.CodeAnalysis.dll!Microsoft.CodeAnalysis.Diagnostics.AnalyzerExecutor.ExecuteSyntaxNodeActions(Microsoft.CodeAnalysis.SyntaxNode node, System.Collections.Generic.IDictionary>> nodeActionsByKind, Microsoft.CodeAnalysis.SemanticModel model, System.Func getKind, System.Action addDiagnostic, Microsoft.CodeAnalysis.Diagnostics.AnalysisState.SyntaxNodeAnalyzerStateData analyzerStateOpt) After I deleted that handle and saved the file, then the designer was working again.

CaptainBetty commented Jan 14, 2016 Solutions builds... Can a president win the electoral college and lose the popular vote Why were pre-election polls and forecast models so wrong about Donald Trump? Posts: 13 Thanks: 0 Thanked 0 Times in 0 Posts Value cannot be null. Parameter name: objectType” when opening a VB.NET Windows Forms in designer up vote 1 down vote favorite I have Windows Forms App in VB.NET it runs fine, I added some code

Parameter Name: Item" Retrieving Value From Listbox (Value Cannot Be Null) Buffer Cannot Be Null Simple Error, Cannot Understand A Programming Block. If it occurs at run time then you know that a value is null that isn;t allowed to be, so check which value on that line is null. Privacy statement Help us improve MSDN. It's just common sense.

As a guest, you can read any forum posting. have a peek at these guys Only your presence will be noted, and then only if you provide either real value, or a spectacular example of fail (both are appreciated, and in about equal measure, though the What a total and complete *****. why does this error keep popping out?

before you pass in the dataset do you create a new Datasst Dim myDS as New DataSet? wrote in message news:58****************************@phx.gbl... Parameter name: source'. If an error occurs and the IDE points out exactly where it occurred and exactly what occurred then it doesn't take any programming experience at all to work out that that check over here I'd like to see them take effect at design time as well.

There is modifier Public (before Form1) yet. Of course, the connection works with Putty using my login and password. Terms Privacy Security Status Help You can't perform that action at this time.

In Solution Explorer, if you double click My Project, and then click the References Tab, I had a Reference to SpotLight.

Most probably it will be already underlined in red. I did not put it there, but it apprently causes some kind of circular reference which caused Click Once to fail and my App to no longer run after a Publish. Am I on the right way ? If you could get back to me at your earliest convenience with information I request, we will be able to make headway towards a resolution.

Reference Sheets Code Snippets C Snippets C++ Snippets Java Snippets Visual Basic Snippets C# Snippets VB.NET Snippets ASP.NET Snippets PHP Snippets Python Snippets Ruby Snippets ColdFusion Snippets SQL Snippets Assembly Snippets Can I sell a stock immediately Does an Eldritch Knight's war magic allow Extra Attacks? Enabling this option is particularly non-invasive in both VS2015 & VS2015 Update 1 because this option is only enforced in one direction. this content You are currently viewing the BOOK: Beginning ASP.NET 1.1 section of the Wrox Programmer to Programmer discussions.

Parameter name: dataTable" Posted 16-Feb-12 20:05pm Ravi chandran from thanjavur505 Add a Solution Comments Varun Sareen 17-Feb-12 2:01am Are you initializing the datatable? Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies Solution 3 Accept Solution Reject Solution Dim str As String str = "select * from login where Username='" & UnameTextBox.Text & "' and Password='" & UPassword.Text & "' " Dim da As New I did not put it there, but it apprently causes some kind of circular reference which caused Click Once to fail and my App to no longer run after a Publish.

Home Bookstore/E-Books P2P Programmer Forums Wrox Blogs Connect with Wrox Code Resources International IT Certifications Navigation Register Now View Active Topics View Archives View Unanswered Topics Wrox Programmer Forums Aaron Edwards ADO.NET 3 April 7th, 2006 07:26 PM Dataset Update with Null Value [V] reyboy ADO.NET 2 June 1st, 2004 01:18 PM null value for parameter schockp VB Databases Basics Treat my content as plain text, not as HTML Preview 0 … Existing Members Sign in to your account ...or Join us Download, Vote, Comment, Publish. When I turn it off in VS2015 I see all these problems come back.

Also, is it a compilation error or a run time error? Dave Kreskowiak 17-Feb-12 23:05pm Again, you haven't shown us the ENTIRE code that is around the line where the error occurs nor have you told us on which line Parameter name: objectType at System.ComponentModel.TypeDescriptor.TypeDescriptionNode.GetRuntimeType(Type objectType) at System.ComponentModel.TypeDescriptionProvider.GetRuntimeType(Type reflectionType) at Microsoft.VisualStudio.Design.MultiTargetingContextProvider.GetRuntimeType(Type objectType) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.GetFieldType(String fieldName, Type documentBaseType) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.GetReferencedComponentType(String componentName, CodeTypeDeclaration codeTypeDecl, ITypeResolutionService loader, IDictionary& cache) at Microsoft.VisualStudio.Design.Serialization.CodeDom.HandlesClauseManager.ParseHandlesClauses(CodeTypeDeclaration codeTypeDecl, Boolean updateCache) Comments (12) | Workarounds (7) | Attachments (1) Sign in to post a comment.

Nov 20 '05 #4 This discussion thread is closed Start new discussion Replies have been disabled for this discussion. View our list of code downloads. In Solution Explorer, if you double click My Project, and then click the References Tab, I had a Reference to SpotLight.