找到GridView的CellEditorInitalize事件。

protected void agv_main_CellEditorInitialize(object sender, ASPxGridViewEditorEventArgs e)        {            if (e.Column.Grid.IsNewRowEditing //新增时                &&                e.Column.Name.Equals("SIGNTYPE", StringComparison.OrdinalIgnoreCase) //确定列                )            {                e.Editor.ReadOnly = true;            }        }