public static DBHelperBase CreateDBHelper()
{
DBHelperBase dbh;
if (config != null)
{
string conString = config.GetDBConnStr();
switch (DBType.ToLower())
{
case "odbc":
dbh = new OdbcHelper(new OdbcConnection(conString));
break;
case "sqlserver":
dbh = new SqlHelper(new SqlConnection(conString));
break;
case "sybase":
dbh = new SybaseHelper(new AseConnection(conString));
break;
case "access":
dbh = new OleDbHelper(new OleDbConnection(conString));
break;
case "oledb":
dbh = new OleDbHelper(new OleDbConnection(conString));
break;
default:
throw new DBConfigException();
}
dbh.Open();
return dbh;
}
else//config is null
return null;
}
