File or assembly name CodeProject.SQLServerDAL, or one of its dependencies, was not found.

Question

出错提示
=== Pre-bind state information ===
LOG: DisplayName = CodeProject.SQLServerDAL
 (Partial)
LOG: Appbase = file:///D:/CodeProject/Web
LOG: Initial PrivatePath = bin
Calling assembly : DALFactory, Version=1.0.1651.29586, Culture=neutral, PublicKeyToken=null.
===LOG: Partial reference qualified from config file. New reference: CodeProject.SQLServerDAL, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a.
LOG: Publisher policy file is not found.
LOG: No redirect found in host configuration file (C:\WINNT\Microsoft.NET\Framework\v1.1.4322\aspnet.config).
LOG: Using machine configuration file from C:\WINNT\Microsoft.NET\Framework\v1.1.4322\config\machine.config.
LOG: Post-policy reference: CodeProject.SQLServerDAL, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
LOG: Attempting download of new URL file:///C:/WINNT/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/codeproject/d4681b2d/90644b6c/CodeProject.SQLServerDAL.DLL.
LOG: Attempting download of new URL file:///C:/WINNT/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/codeproject/d4681b2d/90644b6c/CodeProject.SQLServerDAL/CodeProject.SQLServerDAL.DLL.
LOG: Attempting download of new URL file:///D:/CodeProject/Web/bin/CodeProject.SQLServerDAL.DLL.
LOG: Attempting download of new URL file:///D:/CodeProject/Web/bin/CodeProject.SQLServerDAL/CodeProject.SQLServerDAL.DLL.
LOG: Attempting download of new URL file:///C:/WINNT/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/codeproject/d4681b2d/90644b6c/CodeProject.SQLServerDAL.EXE.
LOG: Attempting download of new URL file:///C:/WINNT/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/codeproject/d4681b2d/90644b6c/CodeProject.SQLServerDAL/CodeProject.SQLServerDAL.EXE.
LOG: Attempting download of new URL file:///D:/CodeProject/Web/bin/CodeProject.SQLServerDAL.EXE.
LOG: Attempting download of new URL file:///D:/CodeProject/Web/bin/CodeProject.SQLServerDAL/CodeProject.SQLServerDAL.EXE.

Answer 1

Stack Trace: 
[FileNotFoundException: File or assembly name CodeProject.SQLServerDAL, or one of its dependencies, was not found.]
   System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Boolean isStringized, Evidence assemblySecurity, Boolean throwOnFileNotFound, Assembly locationHint, StackCrawlMark& stackMark) +0
   System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Boolean stringized, Evidence assemblySecurity, StackCrawlMark& stackMark) +307
   System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark) +68
   System.Reflection.Assembly.Load(String assemblyString) +19
   CodeProject.DALFactory.DALFcProduct.Create() +43
   CodeProject.BLL.BLLQuestion.GetQuestionByCatalog(Int32 ctg1) +16
   CodeProject.Web.WebForm1.Page_Load(Object sender, EventArgs e) in d:\codeproject\web\webform1.aspx.cs:34
   System.Web.UI.Control.OnLoad(EventArgs e) +67
   System.Web.UI.Control.LoadRecursive() +35
   System.Web.UI.Page.ProcessRequestMain() +731