void buttonsRunQb_Click(object sender, EventArgs e) { DataAccessMSSqlConnectionProvider.ProviderRegister(); CustomMsSqlConnectionProvider.RegProvider(); ColumnarDataLoaderFactory.RegisterCustomColumnarDataLoader <CustomMsSqlConnectionProvider>(provider => new CustomColumnDataLoader(provider)); MsSqlConnectionParameters connectionParameters = new MsSqlConnectionParameters("server_name", "database_name", "username", "password", MsSqlAuthorizationType.SqlServer); SqlDataSource yourDataSource = new SqlDataSource(connectionParameters); yourDataSource.AddQuery(); }