在一个大的解决方案中,我们有大约100个项目,目标都是3.5,目前在VS.NET 2010中.
现在我们想将它升级到.NET 4.0,我是否必须一个接一个地改变它们的目标？或者有没有办法自动化这个过程？
当我尝试将我的Web API项目部署到Azure上的Cloud WebSites和Cloud Hosted Services时,我收到此错误:
"{"ExceptionType":"System.TypeLoadException","Message":"Could not load type 'System.ComponentModel.DataAnnotations.Schema.DatabaseGeneratedOption' from assembly 'System.ComponentModel.DataAnnotations, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.","StackTrace":"\r\nServer stack trace: \r\n at System.Reflection.RuntimeAssembly.GetExportedTypes(RuntimeAssembly assembly, ObjectHandleOnStack retTypes)\r\n at System.Reflection.RuntimeAssembly.GetExportedTypes()\r\n at System.Web.Http.Dispatcher.DefaultHttpControllerTypeResolver.GetControllerTypes(IAssembliesResolver assembliesResolver)\r\n at System.Web.Http.WebHost.WebHostHttpControllerTypeResolver.GetControllerTypes(IAssembliesResolver assembliesResolver)\r\n at System.Web.Http.Dispatcher.HttpControllerTypeCache.InitializeCache()\r\n at System.Lazy`1.CreateValue()\r\n\r\nException rethrown at [0]: \r\n at System.Reflection.RuntimeAssembly.GetExportedTypes(RuntimeAssembly assembly, ObjectHandleOnStack retTypes)\r\n at System.Reflection.RuntimeAssembly.GetExportedTypes()\r\n at System.Web.Http.Dispatcher.DefaultHttpControllerTypeResolver.GetControllerTypes(IAssembliesResolver assembliesResolver)\r\n at System.Web.Http.WebHost.WebHostHttpControllerTypeResolver.GetControllerTypes(IAssembliesResolver assembliesResolver)\r\n at System.Web.Http.Dispatcher.HttpControllerTypeCache.InitializeCache()\r\n at System.Lazy`1.CreateValue()\r\n at System.Lazy`1.LazyInitValue()\r\n at System.Web.Http.Dispatcher.DefaultHttpControllerSelector.InitializeControllerInfoCache()\r\n at System.Lazy`1.CreateValue()\r\n\r\nException rethrown at [1]: \r\n at System.Web.Http.Dispatcher.DefaultHttpControllerSelector.SelectController(HttpRequestMessage request)\r\n at System.Web.Http.Dispatcher.HttpControllerDispatcher.SendAsyncInternal(HttpRequestMessage request, CancellationToken cancellationToken)\r\n at System.Web.Http.Dispatcher.HttpControllerDispatcher.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)"}" …