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It looks as though you can't use keys if you are using templates fields or if you are not using the built in data controls.I haven't had time to verify this but that seemed to be the case from reading this.
I have therefore added the relevant xml, and when creating the grid, create the column as a Template Field and the Edit Item as a Drop Down List with its own Sql Data Source.
So far so good, this all works, the grid is displayed, the Drop Down List appears, filled with the correct data, shows the correct initial item and lets the user select another. The when trying to get the value from the Drop Down List in the Row Updating event, I cant find it. I create a Recursive Find Control method that ran through every control on the page, and it cant find it.
During the gridview's Row Updating event I am using e. Item(n) to loop through all the values returned from the gridview.
The problem is, I'm only receiving the values that are coming from the single-element cells, and I can't find the values from the textboxes in the multiple-element cells. Must be non-negative and less than the size of the collection. Here are all the textboxes in the row that I need returned: Dim str Name As String = e.
Some screenshots, illustrating the expected results will be helpful.
After that, I believe we will be able to suggest a more appropriate solution for you. w=800" src="https://taditdash.files.wordpress.com/2014/06/debugger-inside-gridview-rowupdating-event.png? w=800&h=359" alt="Debugger Inside Grid View Row Updating Event" width="800" height="359" class="size-full wp-image-328" srcset="https://taditdash.files.wordpress.com/2014/06/debugger-inside-gridview-rowupdating-event.png? w=230" src="https://taditdash.files.wordpress.com/2014/06/gridview-on-browser.png? w=800" alt="Grid View on Browser" class="size-full wp-image-335" srcset="https://taditdash.files.wordpress.com/2014/06/230w, https://taditdash.files.wordpress.com/2014/06/gridview-on-browser.png? w=416" src="https://taditdash.files.wordpress.com/2014/06/gridview-cell-showing-updated-value.png? w=800" alt="Grid View Cell Showing Updated Value" class="size-full wp-image-331" srcset="https://taditdash.files.wordpress.com/2014/06/416w, https://taditdash.files.wordpress.com/2014/06/gridview-cell-showing-updated-value.png?If we move our mouse on to the variables, which hold the cell values, we can see the old value instead of new updated value (Refer the debugging Screen Shot at the Top). There are 16 template field columns in my gridview, 3 of which have multiple textboxes, and 13 of which contain a single textbox. Item(28) The Streets are all in the same cell, the Phone and Fax are in the same cell, and the Industries are all in the same cell. Hello Hermann, I am afraid it is not possible to change the editor's value in the Row Validating or Row Updating event handler. New Values["Field Name"] arriving Row Inserting are the unchanged values.Please clarify why you want to accomplish this task. Have I to something else to accept the new values ?From what was said in the other comment, should I be calling the Build Grid from somewhere other than Page_Load()?What happen if you leave the Bind Grid(); at the end but call Build Grid(); before finding the ddl?Parameter name: index That tells me they're not even in the array. In the code below, the streets are all coming from the same cell, but they are being skipped (which I can tell when I print out the values in the lbl Temp at the end).