LINQ to SQL connectionstring

Question

I have an application that I want to be able to configure the connection string for my LINQ to SQL. I\'ve tried so many different ways but cannot seem to get it working. I w

Answer 1

Inside your dbml file designer.cs add this dynamic call to base class constructor. It will work for local, dev and prod automatically pulling from current web.config without need to pass connection every time;

    public HallLockerDataContext() : 
    base(ConfigurationManager.ConnectionStrings["MYDB1"].ConnectionString, mappingSource)
    {
        OnCreated();
    }

Usage:

    using (var db = new HallLockerDataContext())
    {

    }