public void SetConnection() { if (sql_con == null) { try { if (DBMain.ProviderInvariantName.Equals("")) { return; } sql_con = DBMain.CreateConnection(useConnStr: true); sql_da = DBMain.CreateDataAdapter(); } catch (Exception caught) { DBMain.AltLog(LogLevels.Error, 70100, "Unable to connect with database " + caught.Message); } } }