private void rprofilebutton_Click(object sender, EventArgs e)
{
Receptionist rec = new Receptionist();
rec = da.getProfile(loginName);
profilenamelabel.Text = rec.Name;
profileaddresslabel.Text = rec.Address;
profilecontactlabel.Text = rec.Contactno.ToString();
profilejoinlabel.Text = rec.JoiningDate.ToString();
profiledeslabel.Text = rec.Designation.ToString();
rtabControl.SelectedTab = rprofiletab;
}