Process sqlProcess = new Process();
sqlProcess.StartInfo.FileName = "osql.exe";
sqlProcess.StartInfo.Arguments = string.Format(" -U {0} -P {1} -d {2} -i {3}", new object[] { user, pwd, dbname, s_dbsqlpath });
sqlProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
sqlProcess.Start();
sqlProcess.WaitForExit();