//批量删除
 protected void btn_BatchDel_Click(object sender, EventArgs e)
 {
     if (Request["ckId"] != null)
     {
         var result = _vocabulary.DelById(Request["ckId"].Split(','));
         if (result)
         {
             MessageBox.AppendScript(this, "setTimeout(function(){ refreshGrid(); }, " + GlobalConfig.PageAutoRefreshDelayTime + ");");
             MessageBox.Show(this, "批量删除成功!");
         }
         else
         {
             MessageBox.Show(this, "批量删除失败!");
         }
     }
     else
     {
         MessageBox.Show(this, "请选择相关数据!");
     }
 }