//加载数据表
 private void TableLoad()
 {
     try
     {
         DataTable table = ExcelUtils.ImportExcel(this.filename, args.sheetname, args.columns, null, null, false);
         if (table == null)
         {
             return;
         }
         for (int i = 0; i < table.Rows.Count; ++i)
         {
             if (table.Rows[i].RowState == DataRowState.Detached ||
                 table.Rows[i].RowState == DataRowState.Deleted)
             {
                 continue;
             }
             string cell = table.Rows[i][0].ToString().Trim();
             if ("表头".Equals(cell))
             {
                 int j = 0;
                 foreach (DataColumn col in table.Columns)
                 {
                     col.ColumnName = table.Rows[i][j++].ToString();
                 }
             }
             table.Rows[i].Delete();
             if ("BEGIN".Equals(cell))
             {
                 break;
             }
         }
         cur_dataView = table.DefaultView;
     }
     catch (Exception ex)
     {
         ConfigUtils.Error(ex.Message, ex.StackTrace);
         MessageBox.Show("Error: " + ex.Message);
     }
 }