“/”应用程序中的服务器错误。

至少一个参数没有被指定值。

说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: System.Data.OleDb.OleDbException: 至少一个参数没有被指定值。

源错误:


行 34:         if (Request.QueryString["processid"] == null)
行 35:         {
行 36:             processid = conn.GetSingleDataToString("process", "top 1 ID", "cclass=" + Request.QueryString["class"] + " and cln='" + (cln == "fn" ? "cn" : cln) + "' order by pro_order asc,ID asc");
行 37:         }
行 38:         else

源文件: f:\usr\localuser\byw2829080001\incx\process.ascx.cs    行: 36

堆栈跟踪:


[OleDbException (0x80040e10): 至少一个参数没有被指定值。]
   System.Data.OleDb.OleDbCommand.ExecuteCommandTextErrorHandling(OleDbHResult hr) +1007584
   System.Data.OleDb.OleDbCommand.ExecuteCommandTextForSingleResult(tagDBPARAMS dbParams, Object& executeResult) +255
   System.Data.OleDb.OleDbCommand.ExecuteCommandText(Object& executeResult) +188
   System.Data.OleDb.OleDbCommand.ExecuteCommand(CommandBehavior behavior, Object& executeResult) +58
   System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method) +161
   System.Data.OleDb.OleDbCommand.ExecuteScalar() +116
   JMScms.JcDAL.AccDBHelperDA.GetSingleData(String tableName, String tableField, String conditionalStatement) in D:\template\JMScms\JcDAL\AccDBHelperDA.cs:25
   JMScms.JcBLL.AccDBHelperBL.GetSingleDataToString(String tableName, String tableField, String conditionalStatement) in D:\template\JMScms\JcBLL\AccDBHelperBL.cs:20
   incx_process.ddl_load() in f:\usr\localuser\byw2829080001\incx\process.ascx.cs:36
   incx_process.Page_Load(Object sender, EventArgs e) in f:\usr\localuser\byw2829080001\incx\process.ascx.cs:26
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627


版本信息: Microsoft .NET Framework 版本:2.0.50727.8806; ASP.NET 版本:2.0.50727.8762