WPF中Datagrid控件添加行号

 　　　　　/// <summary>
         /// 导入Excel文件按钮
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void InputExcelFile_Click(object sender, RoutedEventArgs e)
         {
             //将数据绑定到datagird控件中
             DataGridSheet.ItemsSource = readbynpoi.InputWorkbookFromExcel(GetExcelFilePath());
             DataGridSheet.HeadersVisibility = DataGridHeadersVisibility.Row;
             DataGridSheet.RowHeaderWidth = ;
             //LoadingRow事件
             DataGridSheet.LoadingRow += DataGridSheet_LoadingRow;
         }

         private void DataGridSheet_LoadingRow(object sender, DataGridRowEventArgs e)
         {
             e.Row.Header = e.Row.GetIndex() + ;//递增行号
         }