public static SqlConnection PerformConnection() { try { //string cString = C.GetFirstConnectionString("localhost_BSNOMINAS_Connection 1"); string cString = C.GetFirstConnectionString("Asimilados"); if (Connection_BD == null) { //Connection_BD = new SqlConnection("Data Source=server-contpaq\\compac17;Initial Catalog=Nomina_Empresa17;User ID=sa;Password=Supervisor2020.;"); //Connection_BD = new SqlConnection("Data Source=server-contpaq\\compac17;Initial Catalog=BSNOMINAS;User ID=sa;Password=Supervisor2020.;"); //Connection_BD = new SqlConnection("Data Source=192.168.4.182\\COMPAC;Initial Catalog=BSNOMINAS;User ID=sa;Password=Supervisor2020.;"); Connection_BD = new SqlConnection(cString); } return(Connection_BD); } catch (Exception e) { MessageBox.Show(e.Message, "Error"); return(null); } }