Setup Entity Framework For Dynamic Connection String

Question

I am working on an app that will use the same database schema across multiple databases. For this reason, I\'ve created a database called MyTemplate. When a new

Answer 1

Nicholas Butler's answer is quite correct. In addition to what he said, I was faced with the problem of taking an existing connection string for entity framework and just pointing it at a different database that had the same structure. I used the following code to change only the data source of the existing string:

var originalConnectionString = System.Configuration.ConfigurationManager.ConnectionStrings["CSName"].ConnectionString;
var ecsBuilder = new EntityConnectionStringBuilder(originalConnectionString);
var sqlCsBuilder = new SqlConnectionStringBuilder(ecsBuilder.ProviderConnectionString)
{
    DataSource = "newDBHost"
};
var providerConnectionString = sqlCsBuilder.ToString();
ecsBuilder.ProviderConnectionString = providerConnectionString;

string contextConnectionString = ecsBuilder.ToString();
using (var db = new SMSContext(contextConnectionString))
{
    ...
}