Author Archives: Dhananjay Kumar

User Instance login flag is not allowed when connecting to a SQL Server instance: Solved

While working with an ASP.NET MVC application I encountered following exceptions: Exception clearly says that user instance login flag is not allowed when connecting to a SQL Server instance. For sure this error is related to SQL Server instance I am working on in this particular application. I examined the connection string in the web.configContinueContinue reading “User Instance login flag is not allowed when connecting to a SQL Server instance: Solved”

Refactoring the ASP.NET MVC Application to the Onion Architecture

We have refactored the application adhering to the onion architecture. Domain objects like Movie is at the center of the architecture and are the part of internal layers. The Infrastructure project in which we are working with database and database logics are part of the external layers. They depend on the centeral layers like core. UI or in this case the MVC application is also an external layer and depndes on the Core project. All layers are interacting to each other using the interfaces rather than the concrete definitions. You can very easily write Unit Test against the controllers using Fake or Mock without hitting the datbase. In future you can easily change data access technology from Enity Framework to something else without affecting the UI and the Core.

No connection string named ” could be found in the ASP.NET MVC application config file: Solved

While working on an ASP.NET MVC application I encountered the following error. It clearly says that some connection string is missing in the configuration file. Well I have refactored the application following the onion architecture and there is nothing related to database exist in the MVC project. Project structure looks like follows: The Entity FrameworkContinueContinue reading “No connection string named ” could be found in the ASP.NET MVC application config file: Solved”

Resolving Dependencies in ASP.NET MVC 5 using StructureMap

If you are using StructreMap to resolve the dependencies in the ASP.NET MVC 5 application then Steve Smith’s blog post Resolving Dependencies in ASP.NET MVC 5 with StructureMap can be a great help for you. I have followed Steve’s blog to use the StructureMap. I am summarizing the steps as follows: Using the Nuget PackageContinueContinue reading “Resolving Dependencies in ASP.NET MVC 5 using StructureMap”