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ASP.NET tip: Autonumber Rows in ASP.NET Repeater control

Q: How to print the current row number in an ASP.NET Repeater control ?


A: The easiest way to autonumber rows in Repeater is to use markup or ItemDataBound event. Since each row has ItemIndex property when created/bounded. Therefore for Repeater markup one can write the following:


< ItemTemplate>
    < %# Container.ItemIndex + 1 %>
< /ItemTemplate>

Or in the ItemDataBound event (for more complex rendering) this should look like so:


if ((e.Item.ItemType == ListItemType.AlternatingItem) || 
    (e.Item.ItemType == ListItemType.Item))
{
    int num = e.Item.ItemIndex + 1;

    // some code
}

Enjoy :)


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Saturday, April 26, 2008 2:37 AM

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