private void DeleteFocusedRows(DevExpress.XtraGrid.Views.Grid.GridView view)
        {
            if (view.RowCount > 0 && view.IsValidRowHandle(view.FocusedRowHandle) && !view.IsNewItemRow(view.FocusedRowHandle))
            {
                view.BeginSort();
                try
                {
                    view.DeleteRow(view.FocusedRowHandle);

                }
                catch (Exception)
                {
                }
                view.EndSort();
            }
        }
 //public void _Init(bool? IsAdd,  string FieldTenFile, string FieldNoiDung, string FieldNguoiCapNhat, string FieldNgayCapNhat, string FieldGhiChu, int MaxFileSize)
 private GridColumn CotPLDong(DevExpress.XtraGrid.GridControl GridCtrl,
     DevExpress.XtraGrid.Views.Grid.GridView Grid)
 {
     RepositoryItemButtonEdit edit = new RepositoryItemButtonEdit();
     edit.AutoHeight = false;
     edit.BorderStyle = BorderStyles.Default;
     edit.Buttons.AddRange(new EditorButton[] {
         new EditorButton(ButtonPredefines.Delete, "", 10, true, true, false,HorzAlignment.Center, null,
             new KeyShortcut(Keys.Control | Keys.Delete)) });
     edit.Name = "repositoryItemButtonEditDEL";
     edit.TextEditStyle = TextEditStyles.HideTextEditor;
     edit.Click += delegate(object sender, EventArgs e)
     {
         XtraMessageBoxForm frm = new XtraMessageBoxForm();
         DialogResult dr = frm.ShowMessageBoxDialog(new XtraMessageBoxArgs(null,
                 popupContainerControl1, "Bạn có chấp nhận xóa dòng này không?", "Xác nhận",
                 new DialogResult[] { DialogResult.Yes, DialogResult.No },
            SystemIcons.Question, 1));Bitmap.to
         if (dr == DialogResult.Yes)
         {
             Grid.DeleteRow(Grid.FocusedRowHandle);
         }
     };
     GridCtrl.RepositoryItems.Add(edit);
     DevExpress.XtraGrid.Columns.GridColumn column = new GridColumn();
     column.AppearanceHeader.Options.UseTextOptions = true;
     column.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
     column.AppearanceCell.Options.UseTextOptions = true;
     column.AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
     column.Caption = "    ";
     column.ColumnEdit = edit;
     column.Name = "CotXoa";
     column.OptionsColumn.AllowSize = false;
     column.OptionsColumn.FixedWidth = true;
     column.Visible = true;
     column.VisibleIndex = 50;
     column.Width = 25;
     Grid.Columns.Add(column);
     return column;
 }