private void LinkNew_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
 {
     try
     {
         panelNew.Enabled = true;
         TextBoxHosNo.Focus();
         Patient p = new Patient();
         cdh.Patients.Add(p);
         patientBindingSource.Add(p);
         patientBindingSource.MoveLast();
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message, "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
     }
 }
 private void LinkEdit_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
 {
     panelNew.Enabled = true;
     TextBoxHosNo.Focus();
 }