database企业级类库的问题
“/”应用程序中的服务器错误。
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The type Database cannot be constructed. You must configure the container to supply this value.
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.InvalidOperationException: The type Database cannot be constructed. You must configure the container to supply this value.
源错误:
行 76: strSql.Append("@UserName,@PassWord,@ReallyName,@Birthday,@Address,@PostCode,@Email,@HomePhone,@MobilePhone,@QQ,@ICQ,@RegTime,@Sex,@IP,@BlogID,@SuperAdmin)");
行 77: strSql.Append(";select @@IDENTITY");
行 78: Database db = DatabaseFactory.CreateDatabase();
行 79: DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());
行 80: db.AddInParameter(dbCommand, "UserName", DbType.String, model.UserName);
源文件: D:\MyBlog\MyBlog.Library\DAL\tb_AdminService.cs 行: 78
堆栈跟踪:
[InvalidOperationException: The type Database cannot be constructed. You must configure the container to supply this value.]
Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.GuardTypeIsNonPrimitive(IBuilderContext context, SelectedConstructor selectedConstructor) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\ObjectBuilder\Strategies\BuildPlan\DynamicMethod\Creation\DynamicMethodConstructorStrategy.cs:289
Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.PreBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\ObjectBuilder\Strategies\BuildPlan\DynamicMethod\Creation\DynamicMethodConstructorStrategy.cs:71
Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\ObjectBuilder\Strategies\StrategyChain.cs:110
Microsoft.Practices.ObjectBuilder2.DynamicMethodBuildPlanCreatorPolicy.CreatePlan(IBuilderContext context, NamedTypeBuildKey buildKey) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\ObjectBuilder\Strategies\BuildPlan\DynamicMethod\DynamicMethodBuildPlanCreatorPolicy.cs:48
Microsoft.Practices.ObjectBuilder2.BuildPlanStrategy.PreBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\ObjectBuilder\Strategies\BuildPlan\BuildPlanStrategy.cs:37
Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\ObjectBuilder\Strategies\StrategyChain.cs:110
Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name, IEnumerable`1 resolverOverrides) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\UnityContainer.cs:511
[ResolutionFailedException: Resolution of the dependency failed, type = "Microsoft.Practices.EnterpriseLibrary.Data.Database", name = "(none)".
Exception occurred while: while resolving.
Exception is: InvalidOperationException - The type Database cannot be constructed. You must configure the container to supply this value.
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At the time of the exception, the container was:
Resolving Microsoft.Practices.EnterpriseLibrary.Data.Database,(none)
]
Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name, IEnumerable`1 resolverOverrides) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\UnityContainer.cs:515
Microsoft.Practices.Unity.UnityContainer.Resolve(Type t, String name, ResolverOverride[] resolverOverrides) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\UnityContainer.cs:173
Microsoft.Practices.Unity.UnityServiceLocator.DoGetInstance(Type serviceType, String key) in e:\Builds\Unity\UnityTemp\Compile\Unity\Unity\Src\UnityServiceLocator.cs:64
Microsoft.Practices.ServiceLocation.ServiceLocatorImplBase.GetInstance(Type serviceType, String key) in c:\Home\Chris\Projects\CommonServiceLocator\main\Microsoft.Practices.ServiceLocation\ServiceLocatorImplBase.cs:49
[ActivationException: Activation error occured while trying to get instance of type Database, key ""]
Microsoft.Practices.ServiceLocation.ServiceLocatorImplBase.GetInstance(Type serviceType, String key) in c:\Home\Chris\Projects\CommonServiceLocator\main\Microsoft.Practices.ServiceLocation\ServiceLocatorImplBase.cs:53
Microsoft.Practices.ServiceLocation.ServiceLocatorImplBase.GetInstance(String key) in c:\Home\Chris\Projects\CommonServiceLocator\main\Microsoft.Practices.ServiceLocation\ServiceLocatorImplBase.cs:103
Microsoft.Practices.EnterpriseLibrary.Data.DatabaseFactory.InnerCreateDatabase(String name) +80
Microsoft.Practices.EnterpriseLibrary.Data.DatabaseFactory.CreateDatabase() +7
MyBlog.Library.DAL.tb_AdminService.Add(tb_Admin model) in D:\MyBlog\MyBlog.Library\DAL\tb_AdminService.cs:78
MyBlog.Library.BLL.tb_AdminManager.Add(tb_Admin model) in D:\MyBlog\MyBlog.Library\BLL\tb_AdminManager.cs:39
MyBlog.Web.Admin.Add.btnSave_Click(Object sender, EventArgs e) in D:\MyBlog\Web\Admin\Add.aspx.cs:102
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +111
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +110
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565
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版本信息: Microsoft .NET Framework 版本:2.0.50727.5416; ASP.NET 版本:2.0.50727.5419
这个错误是什么原因造成的啊
[解决办法]
你没有在配置文件中配置数据库连接信息
