private void ProfileForm_Load(object sender, EventArgs e)
{
sourceDBMS.Items.AddRange(DBMSFactory.GetDBMSReaderNames());
destDBMS.Items.AddRange(DBMSFactory.GetDBMSWriterNames());
runner.Items.AddRange(RunnerFactory.GetRunnerAssistantNames());
string[] charsets = new string[] { "gbk", "utf8" };
sourceCharSet.Items.AddRange(charsets);
destCharSet.Items.AddRange(charsets);
}