SqlConnectionStringBuilder csb = new SqlConnectionStringBuilder();
            csb.InitialCatalog = dbFilePath;
            csb.DataSource = dbServer;
            csb.UserID = userLogin_;
            csb.Password = userPassword_;
            csb.Pooling = true;
            
            string connectionString_ = csb.ToString();

            SqlConnection dbConn = new SqlConnection(connectionString_);
            dbConn.Open();
            return dbConn;
}