删除具有分页的DataGrid,当前页不为0且当前页的记录只有一条的时候的解决方案

private   void  dgShow_DeleteCommand( object  source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
         {
            if(dgShow.Items.Count==1)
            {
                if(dgShow.CurrentPageIndex!=0)
                    dgShow.CurrentPageIndex = dgShow.CurrentPageIndex-1;
            }
            string strSql = "delete from tbStudentinfo where studentid="+e.Item.Cells[0].Text+"";
            ExecuteSql(strSql);
            BindData();

        }