private void BindGrid()
{
CountryMasterDataService countryDs = new CountryMasterDataService();
List <CountryMaster> countryList = countryDs.Country_RetrieveAll();
dataGrid1.ItemsSource = countryList;
countryList = null;
countryDs = null;
}
private void button1_Click(object sender, RoutedEventArgs e)
{
CountryMasterDataService countryDs = new CountryMasterDataService();
CountryMaster countryBL = new CountryMaster();
countryBL.CountryId = -1;
countryBL.CountryCode = txtCCode.Text;
countryBL.CountryName = txtCname.Text;
countryBL.ISDNo = txtISDCode.Text;
List <CountryMaster> countryList = countryDs.Country_Insert(countryBL);
dataGrid1.ItemsSource = countryList;
countryBL = null;
countryList = null;
countryDs = null;
}