“Exception calling“ LoadFrom”with”1“argument(s):”无法加载文件或程序集file:///D:\Users\DvoracekR\Documents\Visual Studio 2010\Projects\WebCameras\packages\EntityFramework.4.3.1\tools\EntityFramework.PowerShell.Utility.dll或其依赖项之一。 系统找不到指定的文件。“ 在D:\ Users \ DvoracekR \ Documents \ Visual Studio 2010 \ Projects \ WebCameras \ packages \ EntityFramework.5. 0.0-rc \ tools \ EntityFramework.psm1:393 char:62 + $utilityAssembly = [System.Reflection.Assembly] :: LoadFrom <<<< ((Join-Path $toolsPath Entity Framework.PowerShell.Utility.dll)) + CategoryInfo:NotSpecified:(:) [],MethodInvocationException + FullyQualifiedErrorId:DotNetMethodException“
“您不能在空值表达式上调用方法。 在D:\ Users \ DvoracekR \ Documents \ Visual Studio 2010 \ Projects \ WebCameras \ packages \ EntityFramework.5. 0.0-rc \ tools \ EntityFramework.psm1:394 char:50 + $dispatcher = $utilityAssembly.CreateInstance <<<< ( + CategoryInfo:InvalidOperation:(CreateInstance:String)[],RuntimeException + FullyQualifiedErrorId:InvokeMethodOnNull“
“Exception calling“ CreateInstanceFrom”with”8“argument(s):”无法加载程序集EntityFramework.PowerShell,Version=4.3.1.0,Culture=neutral,PublicKeyToken=b77a5c561934e089中的类型System.Data.Entity.Migrations.En ableMigrationsCommand。“ 在D:\ Users \ DvoracekR \ Documents \ Visual Studio 2010 \ Projects \ WebCameras \ packages \ EntityFramework.5. 0.0-rc \ tools \ EntityFramework.psm1:418 char:31> + $domain.CreateInstanceFrom <<<< ( + CategoryInfo:NotSpecified:(:) [],MethodInvocationException + FullyQualifiedErrorId:DotNetMethodException“