Confused about OnCommand and CommandName attribute in asp button control

Question

<asp:Button ID="btnEditAdd" Text="Edit" 
CausesValidation="false" CommandName="Edit" Visible="false" runat="server" OnCommand="btnEditAdd_Click"/>

How come the above control's got both OnCommand and CommandName attribute? When that button is clicked what method is called ? I don't why I am confused.

I mean the repeater's ItemCommand event is fired or btnEditAdd_Click is called??

I thot they both serve the same purpose.

vamyip · Accepted Answer · 2010-11-22 05:16:20Z

2

AFAIK, ItemCommand is a property which helps to identify whether a separate event handler is to be called or the items own event handler is to be called.

answered Nov 22, 2010 at 5:16

vamyip

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Achilles · Accepted Answer · 2010-11-22 04:20:46Z

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You can debug this yourself by placing breakpoints on both the btnEditAdd_Click event and repater's ItemCommand. If both breakpoints are hit then both events are being called.

answered Nov 22, 2010 at 4:20

Achilles

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SLaks · Accepted Answer · 2010-11-22 04:21:59Z

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The CommandName property is just a string identifier.

The btnEditAdd_Click method will be called, and its e parameter will contain the CommandName.

The repeater's ItemCommand event will also be fired.

answered Nov 22, 2010 at 4:21

SLaks

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