private void btnDeleteAppointment_Click(object sender, System.EventArgs e)
{
DataGridViewRow r = dgvData.SelectedRows[0];
if (r != null)
{
if (MetroFramework.MetroMessageBox.Show(this, "Are you sure?", "Delete", MessageBoxButtons.OKCancel,
MessageBoxIcon.Exclamation) == DialogResult.OK)
{
q.DeleteAppointment(r.Cells[0].Value.ToString());
try
{
dgvData.Rows.Remove(r);
}
catch (Exception exception)
{
}
}
}
}