grid 数据绑定后

protected void gvList_ItemDataBound(object sender, DataGridItemEventArgs e)
        {
            if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
            {
                if (((System.Web.UI.WebControls.Label)(e.Item.Cells[e.Item.Cells.Count - 2].Controls[1])).Text != "单据编号")
                {
                    LinkButton button = (LinkButton)e.Item.Cells[e.Item.Cells.Count - 1].Controls[0];
                    e.Item.Cells[e.Item.Cells.Count - 1].Controls.Remove(button);

                }
                else
                {
                    LinkButton button = (LinkButton)e.Item.Cells[e.Item.Cells.Count - 1].Controls[0];
                    button.Attributes.Add("onclick", "return confirm ('确认删除？');");
                }

            }
        }