//1cxgrid动态创建列

procedure TFrmRuleEdit.CreateCols;
var
Column: TcxGridDBColumn;
begin
cdsPowerPrj.First;
while not cdsPowerPrj.Eof do
begin
Column := viewPower.CreateColumn;
Column.Caption := cdsPowerPrj.FieldByName('description').Text;
Column.DataBinding.FieldName := cdsPowerPrj.FieldByName('powerName').Text;
Column.PropertiesClassName := 'TcxCheckBoxProperties';
Column.Width := 50;
cdsPowerPrj.Next;
end;
end;

//2cxGrid 通过字段名取得列
Column := cxGrdPayOrdVwd.GetColumnByFieldName(FieldName);

//3cxGrid动态创建的列里动态创建事件的方法

procedure TForm1.cxButton1Click(Sender: TObject);
begin
  //设置第3列为按钮属性:
  cxGrid1DBTableView1.Columns[3].PropertiesClass:=TcxButtonEditProperties;
  //关联点击事件：
  (cxGrid1DBTableView1.Columns[3].Properties as TcxButtonEditProperties).OnButtonClick
    :=cxGrid1DBTableView1ColumnPropertiesButtonClick;
end;