E newvalues rowupdating null


27-Mar-2020 00:05

But you can save the value when you are changing the row into Edit mode, like Datagrid(1.1) to Grid View(2.0) and using the Row Updating event how to extract the values from the controls. It seems that its not getting the oldvalues and returns a null, which is something strange. If you are not using a 'standard' datasource New/Old Values are not always available in the Row Updating event.I would like to confirm that this is a problem with the released version of NET2, so I can stop beating my head against the wall trying to get the Grid View to work "as advertised". As for the Grid View control doesn't correctly populate the Old Values or New Values parameters collection when performing udpdate operation, I think it is likely caused by some certain setting in the Grid View control... | | I would like to confirm that this is a problem with the released version of NET2, so I can stop beating my head against the wall | trying to get the Grid View to work "as advertised". - Mark Thanks for your followup Mark, Frankly speeking, I do agree with you that this is a big limitation since I haven't noticed this before until you mentioned this... How are you binding the data columns from datasource, through the Bound Field or template fields with customized html ? | | - Mark | Empty Data Text="the cart is empty" On Page Index Changing="grid Cart_Page Index Changing" On Row Canceling Edit="grid Cart_Row Canceling Edit" On Row Deleting="grid Cart_Row Deleting" On Row Editing="grid Cart_Row Editing" On Row Updating="grid Cart_Row Updating" Hi Mark, Thanks for your response and the code you provided, so you're using a custom class collection without using any Data Source control, I think this should be the cause of the parameters collection in Row Updating event being empty. Anyway, you can also add the suggestion on the MSDN feedback center. (This posting is provided "AS IS", with no warranties, and confers no rights.) -------------------- | NNTP-Posting-Date: Mon, -0600 | From: Mark Olbert | Newsgroups: microsoft.public.dotnet.framework.aspnet | Subject: Re: Grid View: Empty Old Values, New Values | Date: Mon, -0800 | Organization: Olbert & Mc Hugh, LLC | Reply-To: ma**@| Message-ID: | X-Newsreader: Forte Agent 3.1/32.783 | MIME-Version: 1.0 | Content-Type: text/plain; charset=us-ascii | Content-Transfer-Encoding: 7bit | Lines: 11 | X-Trace: sv3-U9n K6Tome E9bhjk We Xcn08z AR1r LXufi10Yw Ngyd0i3SWg Cu z Pj D1xg6GVJGAb K7Dnh2WO b Vwt Og T! Is Bound Using Data Source ID; Grid View Update Event Handler handler1 = (Grid View Update Event Handler) base. Get String("Grid View_Unhandled Even t", new object[] { this. So what you need to do is store the data source (maybe in Session) and only bind rebind the data when you absolutely need to (Like during the Is Not Post Back) Do you understand?

e newvalues rowupdating null-58

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hello my problem was that my gridview editable controls heep their old values. this is due to the grid view binding in the page_load method after every post back. I would greatly appreciate for any help or suggested ideas/approach in order to accomplish this task, or any sample codes snippet. Null Reference Exception: Object reference not set to an instance of an object...".