[原创]SAP Business One SDK Grid中添加ComboBox CheckBox(Demo)

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　　      ComboBoxColumn Object
Description
This object represents a column with a combo box.
Available from Columns.Item when the column type is gct_ComboBox.

　　      CheckBoxColumn Object
Description
This object represents a column with a check box.
Available from Columns.Item when the column type is gct_CheckBox.

     Grid Class
1.只能利用SQL Query对列Columns操作，不能象Matrix那样可以oColumns.Add("A1", SAPbouiCOM.BoFormItemTypes.it_EDIT);
2.ComboBoxColumn只能识别字符串string类型的值。CheckBoxColumn 空值。

以下为部分代码.

   //  Set the grid data
        oGrid = ( ( SAPbouiCOM.Grid )( oItem.Specific ) );
        
        oForm.DataSources.DataTables.Add( "MyDataTable" );
        oForm.DataSources.DataTables.Item(0).ExecuteQuery("select DocNum, CardName,docentry,'' as YorN from OINV where docstatus='O' order by docnum");
        oGrid.DataTable = oForm.DataSources.DataTables.Item( "MyDataTable" ); //对Grid绑定数据源
        
  

        //Set columns size
        oGridColumn = (SAPbouiCOM.GridColumn)(oGrid.Columns.Item(1));
        oGridColumn.Type = SAPbouiCOM.BoGridColumnType.gct_ComboBox;//转换成ComboBoxColumn
        oComboBoxColumn = (SAPbouiCOM.ComboBoxColumn)(oGrid.Columns.Item(1));
        oComboBoxColumn.ValidValues.Add("1", "One");
        oComboBoxColumn.ValidValues.Add("2", "Two");
        oComboBoxColumn.ValidValues.Add("3", "Three");

        oGridColumn = (SAPbouiCOM.GridColumn)(oGrid.Columns.Item(3));
        oGridColumn.Type = SAPbouiCOM.BoGridColumnType.gct_CheckBox;//转换成CheckBoxColumn
      
        oGrid.Columns.Item(1).Width = 150;
        oGrid.Columns.Item(1).Editable = true;
        oGrid.Columns.Item(2).Width = 30;
        oGrid.Columns.Item(2).Editable = true;
        oGrid.Columns.Item(3).Width = 50;
        oGrid.Columns.Item(3).Editable = true;


        oGrid.CollapseLevel = 1;
        oGrid.AutoResizeColumns();
        oForm.Freeze(false);      
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