public static void SetDisplayMemberMember(GridView obj, string value)
 {
     obj.SetValue(DisplayMemberMemberProperty, value);
 }
 public static void SetHeaderTextMember(GridView obj, string value)
 {
     obj.SetValue(HeaderTextMemberProperty, value);
 }
 public static void SetColumnsSource(GridView obj, object value)
 {
     obj.SetValue(ColumnsSourceProperty, value);
 }