Sequence itemcommand itemupdating code for rowupdating in gridview

What I have done to narrow down the problem: (1) Replace Object Data Source with an equivalent Access Data Source : same problem. However a link button siting right beside the image button with a command of "Update" just like the image button, did infact proceed to the ODS updating. Form view doesn't seem to support image buttons that fire commands, unless there is some magical setting I am missing.

(2) Check that sequence, parameter names and number of Bind("xxx") in Edit Item Template is identical to Object Data Source's parameter collection (3a) Create a new Test.aspx, using Access Data Source, update command works. Seems a little strange that the button type would have an impact such as this. I have used image buttons a lot in Grid Views and they work well there. In that case the framework can not locate these fields and the update (and insert) parameters are not filled automatically ...

(3b) Then I copy and paste the exact coding from the problem aspx to ....this modified works, to my amazement !!! This aspx works......until not knowing when.....update command problem happen again. Update(); break; } } protected void Object Data Source1_Updating(object sender, Object Data Source Method Event Args e) { ODSParameter(e); } protected void Object Data Source1_Inserting(object sender, Object Data Source Method Event Args e) { ODSParameter(e); } private void set ODSParameter(Object Data Source Method Event Args e) { e. I just replaced asp:table with normal html table tags and everything started working...

Work around I am going to do: Programmatically fill in datasource's parameters and promatically invoke datasource's updating event. But I am so reluctant because with so many aspx I have written, I know ASP. Perhaps your tboxes are in a table/panel/other container ?

NET is smart enough to do it for me automatically !! Supplement information: Upon clicking Edit Item Template's update link button: Item Command event is triggered, then return and goes no further. This is my foresaid work around solution: programmatically fill in datasource's parameters, when apparently ASP. However, I am still appreciate if anyone can explain this problem. controls for the Update and Delete commands in a Form View (bound to an Object Data Source), and none of the Form View events would fire.

Why isn't Form View's Item Updating event fired, when obviously link button's command name = "Update"? protected void Form View1_Item Command(object sender, Form View Command Event Args e) { switch (e. The page would simply postback normally without triggering any events. NET (using 2.0 SP1), since normal Buttons work just fine in other data controls. *sigh* --Rolf Update: If you set the Button's Use Submit Behavior property to FALSE, it works!

there any tools to tell me what events has been fired upon clicking a Form View's linkbutton? Then I changed the buttons to Link Buttons, and voila! If Use Submit Behavior is true (default), the button makes a normal POST submit, instead of invoking the ASP. Apparently the Form View commands only work if invoked through javascript-submit.

Well I have no time to dig deep now, may be later I will inform you my finding. Update(); //manually invoke ODS updating event, but I hate doing this though I have to.

But I have written a formview whose bind fields are optionally set to invisible too, but that formview works anyway.

I am not sure if invisible bind fields will lead to "ODS's do not match ODS Update Method's parameter"?

One piece of additional information: certain bind fields in the formview's edit template are optionally set to invisible during the course of editing.

This is a strong evidence of such a possible exception.

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