“/”应用程序中的服务器错误。

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行 21:         if (columnId > 0)
行 22:         {
行 23:             modColumn = Ins.bllCategory.UiGetModel(columnId);
行 24:             if (modColumn != null && modColumn.ID > 0)
行 25:             {

[Exception: 无法打开登录所请求的数据库 "demo_hqbwy_tuzhisen_com"。登录失败。
用户 'sa' 登录失败。]
   WebSite.DBUtility.DbHelperSQL.Query(String SQLString) in H:\Project\华侨博物院\WebSite.DBUtility\DbHelperSQL.cs:680
   WebSite.DAL.Dal_Category.GetModel(String strWhere) in H:\Project\华侨博物院\WebSite.DAL\Dal_Category.cs:627
   WebSite.BLL.Bll_Category.UiGetModel(Int32 ID) in H:\Project\华侨博物院\WebSite.BLL\Bll_Category.cs:89
   cn_news_list.Page_Load(Object sender, EventArgs e) in d:\www\demo.tuzhisen.com\hqbwy.tuzhisen.com\cn\news_list.aspx.cs:23
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785