Timofeev_pz8/shoe_store/Validation.cs

47 lines
1017 B
C#

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;
using shoe_store.Models;
namespace shoe_store.Models
{
internal partial class Product : IEditableObject
{
Ispr2521TimofeevKoShoestoreContext context;
public void BeginEdit()
{
context = new();
context.Update(this);
}
public void CancelEdit()
{
var entry = context.Entry(this);
if (entry.State == Microsoft.EntityFrameworkCore.EntityState.Modified)
{
entry.Reload();
}
}
public void EndEdit()
{
if (string.IsNullOrEmpty(ProductName))
{
throw new ValidationException("Имя не должно быть пустым");
}
context.SaveChanges();
}
}
}