Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) If e.Row.RowType = DataControlRowType.DataRow Then If IsDBNull(DataBinder.Eval(e.Row.DataItem, "tonChamp")) = True Then e.Row.Cells(4).Controls(0).Visible = False End If End If End Sub