DataImport.cs

public bool Import(string url = "")
{
    WriteToConsole("** MySql Data Export Started**");
    bool bValue = true;
    string newFileName = "Dbdata.xml.gz";
    string filePath = Path.Combine(_directoryPath, newFileName);
    if(url != "")
        bValue = DownloadFile(url, filePath);
    if (bValue)
    {
        string unZippedFileName = UnZipFile(filePath);
        if (unZippedFileName == "")
        {
            WriteToConsole("Some error occured while unzipping the file. DB export is stopped.");
            return false;
        }
        DataSet ds = DeserializeDataset(unZippedFileName);
        if (ds != null)
        {
            TransferData(ds);
            WriteToConsole("** MySql Data Export Finished**");
        }
        else
            bValue = false;
    }
    return bValue;
}