public partial class Business : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {


            string StrSql;
            if (!IsPostBack)
            {
               

                AreaList.Items.Clear();


                //获取医院地区列表；
                StrSql = "select AreaName from Area";
                DataBase DB = new DataBase();
                SqlDataReader DR = DB.RunProcGetReader(StrSql);

                AreaList.Items.Add(new ListItem(""));
                while (DR.Read())
                {

                    AreaList.Items.Add(new ListItem(DR["AreaName"].ToString()));

                }

                
                //绑定医院数据表
                StrSql = "select * from Hospital ";
                ViewState["SortExpression"] = "Area";//第一次赋值
                ViewState["SortDirection"] = "Asc";//第一次赋值
                
                SelectHospital(StrSql, 0);

            }

        }   [b]执行到这个括号就出错了，之前都没有出错[/b]