个人制作的一个小型网站管理系统（源代码提供下载！）

yxsyjin

是不是必须放在 D:盘
NullReferenceException: 未将对象引用设置到对象的实例。]
   D.Operation.OBase`1..ctor() in D:\资源\项目\购物\D.Web\D.Operation\OBase.cs:22
   D.Operation.OUserD..ctor() +29
   D.Base.MPageBase`2..ctor() in D:\资源\项目\购物\D.Web\D.Base\MPageBase.cs:93
   Management_Default..ctor() +29
   ASP.management_default_aspx..ctor() in c:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\5c7358d0\f2db34e6\App_Web_t4grxycb.1.cs:0
   __ASP.FastObjectFactory_app_web_t4grxycb.Create_ASP_management_default_aspx() in c:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\5c7358d0\f2db34e6\App_Web_t4grxycb.7.cs:0
   System.Web.Compilation.BuildResultCompiledType.CreateInstance() +32
   System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert) +119
   System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +33
   System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) +40
   System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) +160
   System.Web.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +93
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155