Whether I needed to open up the desiner I don't know but I don't want to regenerate the problem to find out. We recommend upgrading to the latest Safari, Google Chrome, or Firefox. That specific code had been stable for weeks, then one day it appeared without my having changed the code at all. then it begins to work.I noticed that in the recently released VS2015 there is a new designer option that says "Run project code (if available)" if that is turned on then this contact form
When I turn it on everything works perfectly again. 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? Also, is it a compilation error or a run time error? The event was still in lower case.
Parameter name: uriString - Error Value cannot be null. 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 You may have to register before you can post: click the register link above to proceed. comment all codes related to Handles clause and save the code, like below -Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) ''''Handles Me.Load ........ ........End Sub3.
To start viewing messages, select the forum that you want to visit from the selection below. Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 Please enable cookies. Posts: 2 Thanks: 0 Thanked 0 Times in 0 Posts i met this error too not long ago just DataSet dstDS = new DataSet(); then ok! « Previous Thread | Next Find a mistake in the following bogus proof Straight line equation GO OUT AND VOTE How to capture disk usage percentage of a partition as an integer?
Parameter name: source at Microsoft.CodeAnalysis.VisualBasic.VisualBasicCompilation.ClassifyConversion(ITypeSymbol source, ITypeSymbol destination) at Microsoft.CodeAnalysis.VisualBasic.VisualBasicExtensions.ClassifyConversion(Compilation compilation, ITypeSymbol source, ITypeSymbol destination) at Microsoft.CodeAnalysis.VisualBasic.Utilities.SpeculationAnalyzer.ConversionsAreCompatible(ExpressionSyntax originalExpression, ITypeSymbol originalTargetType, ExpressionSyntax newExpression, ITypeSymbol newTargetType) at Microsoft.CodeAnalysis.Shared.Utilities.AbstractSpeculationAnalyzer`8.ReplacementBreaksCompoundAssignment(TExpressionSyntax originalLeft, TExpressionSyntax originalRight, TExpressionSyntax newLeft,
Using the eval command twice Writing a singleton as a countable intersection Is it possible to sheathe a katana as a free action?
Stack: > Microsoft.CodeAnalysis.VisualBasic.dll!Microsoft.CodeAnalysis.VisualBasic.VisualBasicCompilation.ClassifyConversion(Microsoft.CodeAnalysis.ITypeSymbol source, Microsoft.CodeAnalysis.ITypeSymbol destination) Line 1731 Basic Microsoft.CodeAnalysis.VisualBasic.dll!Microsoft.CodeAnalysis.VisualBasic.VisualBasicExtensions.ClassifyConversion(Microsoft.CodeAnalysis.Compilation compilation, Microsoft.CodeAnalysis.ITypeSymbol source, Microsoft.CodeAnalysis.ITypeSymbol destination) Line 763 Basic Microsoft.CodeAnalysis.VisualBasic.Workspaces.dll!Microsoft.CodeAnalysis.VisualBasic.Utilities.SpeculationAnalyzer.ConversionsAreCompatible(Microsoft.CodeAnalysis.VisualBasic.Syntax.ExpressionSyntax originalExpression, Microsoft.CodeAnalysis.ITypeSymbol originalTargetType, Microsoft.CodeAnalysis.VisualBasic.Syntax.ExpressionSyntax newExpression, Microsoft.CodeAnalysis.ITypeSymbol newTargetType) Line 545 Basic Microsoft.CodeAnalysis.Workspaces.dll!Microsoft.CodeAnalysis.Shared.Utilities.AbstractSpeculationAnalyzer
Was it legal to rant against trick or treating via loudspeaker during halloween? weblink JMC does tend to be a bit short with people who do such a poor job of asking a question (though it depends on the day), but that hardly justifies you Uncomment all the Handles clause you commented before. When I turn it off ALL of my former sins and problems return to me and life is dark and gloomy and painful again.
The time now is 08:12 PM. 12,582,180 members (53,524 online) Sign in Email Password Forgot your password? Open the designer module and remove (or comment out) _ attribute from your InitializeComponent sub. Reply With Quote Jul 28th, 2010,09:59 AM #8 cicatrix View Profile View Forum Posts PowerPoster Join Date Dec 2009 Location Moscow, Russia Posts 3,654 Re: Help !!! "value cannot be null" navigate here 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
however, this is preventing me from checking in to TFS shemulik1 commented Jan 20, 2016 any solution (it is marked as closed!!!!!!!!!!!!! .NET Foundation member jmarolf commented Jan 20, 2016 @shemulik1 This is a community of tens of thousands of software programmers and website developers including Wrox book authors and readers. I forgot to create the "New" dataset.
Value cannot be null.
Should I report it? Your Email This email is in use. You are currently viewing the BOOK: Beginning ASP.NET 1.1 section of the Wrox Programmer to Programmer discussions. 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.
Therefore, your absence will not be lamented or noticed. I used the VS compare to check for differences between the file before and after the commenting/uncommenting and found just a few differences. This is a form that loaded without problems in the VS 2005 and VS 2008 versions. his comment is here bigworld12 commented Dec 22, 2015 i got this one after updating to update 1 AD0001 VB.NET Analyzer 'Microsoft.CodeAnalysis.VisualBasic.CodeFixes.SimplifyTypeNames.VisualBasicSimplifyTypeNamesDiagnosticAnalyzer' threw an exception of type 'System.ArgumentNullException' with message 'Value cannot be null.Parameter name:
Change: Dim DataSet1 as DataSet To: Dim DataSet1 as New DataSet or instantiate it later when needed. where did you define it ? –Al-3sli Jan 11 '14 at 10:45 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote accepted Ok on your code Noone goes to the doctor and doesn't tell them where it hurts or take their car to a mechanic and then don't mention the funny noise in the engine and the 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)
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. Find the "unwrapped size" of a list What is the meaning of ''cry oneself"? deleted it and typed it back in)Then closed code and form design saving on the way.This fixed the problem. See it or post it here. #define true ((rand() % 2)?
That is, the checkbox being unchecked means the analyzer runs, does some deeper analysis (that fails in this case), and offers you a lightbulb when you have qualified member accesses, while When answering a question please: Read the question carefully. What is a satisfactory result of penetration testing assessment?