private void InsertRtbText(string strText)
{
int nStart = RtbSQL.SelectionStart;
RtbSQL.Text = RtbSQL.Text.Insert(nStart, strText);
RtbSQL.SelectionStart = nStart + strText.Length;
RtbSQL.Focus();
}
private void btnClear_Click(object sender, EventArgs e)
{
RtbSQL.Clear();
}
