/// 

/// An extended  that allows deletions
/// to be confirmed by the user.
/// 
public class ExtendedCommandField : CommandField
{
    /// 

    /// Initialize the cell.
    /// 
    public override void InitializeCell(DataControlFieldCell cell, 
        DataControlCellType cellType, DataControlRowState rowState, int rowIndex)
    {
        base.InitializeCell(cell, cellType, rowState, rowIndex);
        if (!string.IsNullOrEmpty(this.DeleteConfirmationText) && this.ShowDeleteButton)
        {
            foreach (Control control in cell.Controls)
            {
                IButtonControl button = control as IButtonControl;
                if (button != null && button.CommandName == "Delete")
                    // Add delete confirmation
                    ((WebControl)control).Attributes.Add("onclick", string.Format
                    ("if (!confirm('{0}')) return false;", this.DeleteConfirmationText));
            }
        }
    }