i'd like to get datakey of GridView So i write code like below
but it wasn't work well. how should i do?


    protected void BookGridView_RowDataBound(object sender,
GridViewRowEventArgs e)
    {
        int tableId = int.Parse(
BookGridView.DataKeys[e.Row.DataItemIndex].ToString() );

        .....

    }

Hello mike,

Once you have specified DataKeyNames, you can retrieve the datakey for the
selected row by simply using - BookGridView.SelectedValue

Cheers,
Sumeet


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