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Formview fired event itemupdating which wasn t

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to my detailsview and used the code you wrote down above.

At first I put all my code in text, then I got the message it was firing the Mode Changing event which wasn't handled so I put that method back as code to use.

This page is a great reference for Form View controller: View Update: I've updated code to refelct Phaedrus suggestion. Try removing this line of code and let me know if it resolved your issue.

Current status is that even after clicking Edit button, the content from Item Template is loaded. You have to specify which method handles the Mode Changing event. Now I get the following error: No overload for 'fw Hotel Details_Mode Changing' matches delegate ' System.

This allows you to provide an event handler that performs a custom routine, such as canceling the mode change, whenever this event occurs.

A Details View Mode Event Args object is passed to the event handler, which allows you to determine the new mode, to determine whether the mode change was a result of the user canceling an edit operation, or to cancel the mode change.

when one doesn't have direct control over these events, and when we use the Change Mode method, we know that the mode has changed (or will be changed) and it would make no sense of raising an event..

Details View Change Mode: private void Handle Cancel() private void Handle Edit() private bool Handle Insert Callback(int affected Rows, Exception ex) private void Handle New() private bool Handle Update Callback(int affected Rows, Exception ex) With Change Mode you are choosing that the control switch to one of it's modes.

I can't for the life of me figure out when On Item Updated gets fired. NET trying to learn it, so some of the things you see in this code might be purposely done the hard way (so I can better understand whats going on behind the scenes) Basically, I have a Grid View that is the master control that uses a formview as a detail. I thought I understood that the button would call Command="Update" which would fire Item Updating and then Item Updated.

I'm trying to insert or update data into a database from detailsview through coding.

Without giving a datasource to details view, because it is very easy.

I'm going to guess at it, that they don't get raised initially because of nothing to do, just perform the changing of the mode.

In either case I guess, it's more of a state change than the raising of events.