public static PostgreSqlConn GetInstance(string server, string port, string initialDB, string username, string password)
{
if (instance == null)
{
instance = new PostgreSqlConn();
}
serverName = server;
if (null != initialDB)
{
initDB = initialDB;
}
//trusted = trustedState;
user = username;
pw = password;
try
{
//connString = @"Server=" + server + (initDB != null ? @"\" + initDB : "") + ";Trusted_Connection=" + trusted + (trusted ? "" : ";User Id=" + user + ";Password="******";";
connString = @"Server=" + server + @";DataBase=" + initDB + ";User Id=" + user + ";Password="******";Port=" + port + ";";
dbConnStringBuilder.ConnectionString = connString;
conn = new NpgsqlConnection(connString);
}
catch (ArgumentException e)
{
MessageBox.Show("Connection String Error! (" + e.Message + ")");
}
catch (InvalidOperationException e)
{
MessageBox.Show("Invalid Operation Error! (" + e.Message + ")");
}
return(instance);
}
//public static IConnectionObject createMSSQLConnection()
//{
// return
//}
internal static IConnectionObject createConnection(string provider, string server, string initDB, bool trusted, string username, string password, string port, string sid)
{
if (provider.Equals("PostgreSQL"))
{
return(PostgreSqlConn.GetInstance(server, port, initDB, username, password));
}
dbFactory = System.Data.Common.DbProviderFactories.GetFactory(providers[provider]);
if (provider.Equals("Oracle"))
{
return(OracleConn.GetInstance(server, port, sid, username, password, dbFactory));
}
if (provider.Equals("MSSQL"))
{
return(DBConn.GetInstance(server, initDB, trusted, username, password, dbFactory));
}
throw new NotImplementedException();
}