C#

try
{
    if (txtboxPassword.TextLength <= 6)
    {
        MessageBox.Show(this, "Please re-enter a password longer than 6 charcaters", "Input Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
        return;
    }
    conn.Open();
    m_daDataAdapter =
        new OleDbDataAdapter("Select * From [Users]", conn);
    OleDbCommandBuilder m_cbCommandbuilder =
        new OleDbCommandBuilder(m_daDataAdapter);
    m_daDataAdapter.Fill(m_dtPassword);
    DataRow dr = m_dtPassword.NewRow();
    dr["UserName"] = txtboxUserName.Text;
    dr["Pwdchk"] = cipherText;
    m_dtPassword.Rows.Add(dr);
    m_daDataAdapter.Update(m_dtPassword);
    txtboxUserName.Text = "";
    txtboxPassword.Text = "";
}
catch (Exception ex)
{
    MessageBox.Show(ex.Message.ToString());
}
finally
{
    conn.Close();
}