Question

With just a regular value you would write something like

  protected void GridView1_SelectedIndexChanged(Object sender, EventArgs e)
{
    GridViewRow email = GridView1.SelectedRow;
    txtbox.Text = email.Cells[5].Text;

}

However, I want to populate that textbox with a value that is a textbox control in the gridview. I have a list of rows and depending on which row I select that textbox will populate with that control value. Any help/advice would be greatly appreciated.

Answer 1

I would suggest using datakeys for this. It’s a lot easier and a lot more reliable than using the cell index:

<asp:GridView ID="Gridview1" runat="server" DataKeyNames="Column1, Column2" ...>

Then, in the code-behind you can access the values like this:

protected void GridView1_SelectedIndexChanged(Object sender, EventArgs e)
{
    GridViewRow email = GridView1.SelectedRow;
    txtbox.Text = (string)GridView1.DataKeys[email.RowIndex]["Column1"];    
}