.NET Framework 4 and Could Not Load Type ‘System.ServiceModel.Activation.HttpModule’ Error …

  So, day before yesterday I was working on some app. And I deployed it on my IIS (v7.5) server. The deployment process went very well without any sort of troubles. But when I tried to run that application from my web browser I got loads of error. And I found that the main error

IDENTITY key is not itself set to be Primary Key or Unique Key ??

If you have done any sort of development in database you might be familiar with IDENTITY column. It basically gives you a column which increments it self to a given value (aka Seed and Increment). General syntax for IDENTITY is, IDENTITY [ ( seed , increment ) ] It is basically a “Plan B” for