/// <summary>
/// Check if the current connection information is connected
/// </summary>
/// <param name="ip">Ip address</param>
/// <param name="port">Port</param>
/// <param name="userName">User name</param>
/// <param name="password">Password</param>
/// <param name="dbType">Type of DataBaseType</param>
/// <returns>Returns true if it can connect, otherwise returns false</returns>
public bool connect()
{
try
{
// An attempt to perform a database operation is considered incorrect if an exception is thrown
if (DATABASE_TYPE == DataBaseType.MySql)
{
MySqlConnector connector = MySqlConnector.GetInstance(IP, PORT, USER_NAME, PASSWORD, "");
DataTable tb = connector.ExecuteDataTable(Database.MYSQL_ALL_DATABASE_SCRIPT);
tb.Rows[0]["Database"].ToString();
}
else if (DATABASE_TYPE == DataBaseType.SqlServer)
{
SqlServerConnector connector = SqlServerConnector.GetInstance(IP, USER_NAME, PASSWORD, "");
DataTable tb = connector.ExecuteDataTable(Database.SQLSERVER_ALL_TABLE_SCRIPT);
tb.Rows[0]["NAME"].ToString();
}
else if (DATABASE_TYPE == DataBaseType.Oracle)
{
OracleConnector connector = OracleConnector.GetInstance(IP, USER_NAME, PASSWORD);
DataTable tb = connector.ExecuteDataTable(Database.ORACLE_ALL_USER_SCRIPT);
tb.Rows[0][0].ToString();
}
else
{
// unknow database, return the false
return(false);
}
}
catch
{
return(false);
}
return(true);
}
/// <summary>
/// Load all database information for this connection (oracle does not apply)
/// </summary>
/// <returns>List's all scheme name</returns>
public List <string> initScheme()
{
List <string> schemes = new List <string>();
try
{
// An attempt to perform a database operation is considered incorrect if an exception is thrown
if (DATABASE_TYPE == DataBaseType.MySql)
{
MySqlConnector connector = MySqlConnector.GetInstance(IP, PORT, USER_NAME, PASSWORD, "");
DataTable tb = connector.ExecuteDataTable(Database.MYSQL_ALL_DATABASE_SCRIPT);
for (int i = 0; i < tb.Rows.Count; i++)
{
schemes.Add(tb.Rows[i]["Database"].ToString());
}
}
else if (DATABASE_TYPE == DataBaseType.SqlServer)
{
SqlServerConnector connector = SqlServerConnector.GetInstance(IP, USER_NAME, PASSWORD, "");
DataTable tb = connector.ExecuteDataTable(Database.SQLSERVER_ALL_TABLE_SCRIPT);
for (int i = 0; i < tb.Rows.Count; i++)
{
schemes.Add(tb.Rows[i]["NAME"].ToString());
}
}
else if (DATABASE_TYPE == DataBaseType.Oracle)
{
OracleConnector connector = OracleConnector.GetInstance(IP, USER_NAME, PASSWORD);
DataTable tb = connector.ExecuteDataTable(Database.ORACLE_ALL_USER_SCRIPT);
for (int i = 0; i < tb.Rows.Count; i++)
{
schemes.Add(tb.Rows[i][0].ToString());
}
}
else
{
// unknow database, return the false
}
}
catch
{
}
return(schemes);
}