private void BtnAdd_Click(object sender, RoutedEventArgs e)
{
var vm = DataContext as MainWindowViewModel;
vm.AddNewAgent();
LbxAgents.SelectedIndex = LbxAgents.Items.Count - 1;
TbxId.Focus();
}
private void BtnAddToDataGridView_Click(object sender, EventArgs e)
{
_productList.Add(new Product(Guid.Parse(TbxId.Text), TbxName.Text, double.Parse(TbxPrice.Text), TbxCountry.Text, double.Parse(TbxSale.Text)));
DgridProducts.Rows.Add(DgridProducts.RowCount + 1, TbxId.Text, TbxName.Text, TbxPrice.Text, TbxCountry.Text, TbxSale.Text);
TbxId.Clear();
TbxName.Clear();
TbxPrice.Clear();
TbxCountry.Clear();
TbxSale.Clear();
}