It's solved by override CreateObjectContext
in Domain Service Class.
protected override Connection CreateObjectContext()
{
// Start out by creating the SQL Server connection string
SqlConnectionStringBuilder sqlBuilder = new SqlConnectionStringBuilder();
// Set the properties for the data source. The IP address network address
sqlBuilder.DataSource = @"10.10.10.10";
// The name of the database on the server
sqlBuilder.InitialCatalog = "Development";
sqlBuilder.IntegratedSecurity = true;
sqlBuilder.MultipleActiveResultSets = true;
sqlBuilder.ApplicationName = "EntityFramework";
// Now create the Entity Framework connection string
EntityConnectionStringBuilder entityBuilder = new EntityConnectionStringBuilder();
//Set the provider name.
entityBuilder.Provider = "System.Data.SqlClient";
// Set the provider-specific connection string.
entityBuilder.ProviderConnectionString = sqlBuilder.ToString();
// Set the Metadata location.
entityBuilder.Metadata = @"res://*/Entities.Permission.csdl|res://*/Entities.Permission.ssdl|res://*/Entities.Permission.msl";
// Create and entity connection
EntityConnection conn = new EntityConnection(entityBuilder.ToString());
return new Connection(conn);
}