private void btnsave_Click(object sender, RoutedEventArgs e)
 {
     Entity entobject = new Entity();
     entobject.Employeeid = Convert.ToInt32(txtid.Text);
     entobject.Firstname = Convert.ToString(txtfname.Text);
     entobject.Lastname = Convert.ToString(txtlname.Text);
     entobject.Birthdate = Convert.ToString(txtbirth.Text);
     entobject.Sex = Convert.ToString(txtsex.Text);
     EmployeeReference.EmployeeServiceClient sclient = new EmployeeServiceClient();
     sclient.EmployeeAsync(entobject);
     Clear();
     txtblock.Text = "Record Inserted Successfully";
 }