I'm not sure why this error is happening. The database connection is managed via a set of variables in the default.aspx.vb (mostly for bug testing purposes) and to run the program will require setting up the sql database backup Posts: 13 Thanks: 0 Thanked 0 Times in 0 Posts Thanks alot! It deploys with no errors. http://ibuildsystem.com/cannot-be/value-cannot-be-null-parameter-name-key.php
Parameter Name: Objecttype? Perhaps you did this: Dim dt As DataTable instead of this: Dim dt As New DataTable Permalink Posted 17-Feb-12 5:21am Dave Kreskowiak415.1K Comments Ravi chandran from thanjavur 17-Feb-12 22:01pm Sign in using Search within: Articles Quick Answers Messages Use my saved content filters home articles Chapters and Sections> Search Latest Articles Latest Tips/Tricks Top Articles Beginner Articles Technical Blogs Posting/Update To that end I made one with the MySql things in it I use all the time.
Parameter Name: ActivationContext Pass A NULL In A Parameter To A DateTime Field In A Stored Procedure? .Net SqlDataReader Item Is Null? Jan 31, 2012 Well i want to add a listview item to the paramater of a Webclient DownloadString here is what i wantvb Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Parameter name: String Value cannot be null. Sql Server "key Cannot Be Null. Parameter Name: Key (system)" I've not any issue.Success Cor Friday, June 11, 2010 6:19 AM Reply | Quote 0 Sign in to vote Hi Ahmed, There cant be any duplicate rows in dsRecordData.RecordData.
All times are GMT -5. Aaron Edwards ASP.NET 2.0 Basics 1 April 8th, 2006 12:26 AM How do you set a column to NULL in a parameter? You didn't provide the code that declared dt, so it's impossible to say for sure. Simply check for null.
Parameter Name: ActivationContext Feb 25, 2011 I'm getting the following exception when I try to run up my Winforms app and haven't been able to find a solution to it:System.ArgumentNullException was Value Cannot Be Null. Parameter Name Path1 It seems you do something wrong but what is impossible the answer if you only keep telling in fact nothing more then. Parameter name: key". Mar 3, 2011 I have a stored procedure which updates a database using the parameters I supply but I'm having trouble passing a NULL to the stored procedureThe field I need
There is a primary set to it. More about the author Friday, June 11, 2010 3:01 AM Reply | Quote 0 Sign in to vote It seems that the exception is at this line dvImmunisationsRet = New DataView(dsRecordData.RecordData) It seems that you Make a suggestion Dev centers Windows Office Visual Studio Microsoft Azure More... The time now is 08:19 PM. Key Cannot Be Null Parameter Name Key Ssas
Links: Google | MSDN (Microsoft Documentation) | xkcd Code Bank: VB Submissions | C# Submissions Reply With Quote Apr 3rd, 2009,11:15 AM #11 Chaucer View Profile View Forum Posts Thread Starter Cheers, Sean Show all comments Lanette (DevExpress Support) 03.06.2014 Thank you for informing us about your progress. I've ensured that I'm running from an application pool that is using the 4.0 framework. check my blog Doesnt help.
I'm a bit stumped on this one as I'm not sure how to investigate it. Key Cannot Be Null Parameter Name Key Wpf Pass Null Parameter Fill Method Of Tableadapter? In both cases they are connecting to the same database.I would be so grateful if anyone could tell me what I'm doing wrong here.
Even using this:If DataGridViewX.CurrentRow.Cells.Item(0).Value.ToString IsNot Nothing Then ...Will throw the exception! Can you please help me fix this error.