private void BtnSearchEmployee_Click(object sender, EventArgs e)
 {
     try
     {
         using (DBAuditDataContext dc = new DBAuditDataContext())
         {
             var c = dc.ProGetCureByEmployeeID(int.Parse(ComboName.SelectedValue.ToString()));
             GrdViewCure.DataSource = c;
             TxtDocNo.Text          = "";
             ComboLocation.Text     = "";
         }
     }
     catch (Exception EX)
     {
         MessageBox.Show(EX.Message);
     }
 }