public virtual JsonResult Create(T v, [DataSourceRequest] DataSourceRequest request)
{
EntitySaving?.Invoke(this, new EntityEventArgs <T>(v, EntityState.Added));
Context.Set <T>().Add(v);
Context.SaveChanges();
EntitySaved?.Invoke(this, new EntityEventArgs <T>(v, EntityState.Added));
return(Json(new[] { v }.ToDataSourceResult(request)));
}
public virtual JsonResult Update(T p, [DataSourceRequest] DataSourceRequest request)
{
Context.Set <T>().Attach(p);
Context.Entry(p).State = System.Data.Entity.EntityState.Modified;
EntitySaving?.Invoke(this, new EntityEventArgs <T>(p, EntityState.Modified));
Context.SaveChanges();
EntitySaved?.Invoke(this, new EntityEventArgs <T>(p, EntityState.Modified));
return(Json(new[] { p }.ToDataSourceResult(request)));
}
public virtual JsonResult Delete(T v, [DataSourceRequest] DataSourceRequest request)
{
Context.Set <T>().Attach(v);
EntitySaving?.Invoke(this, new EntityEventArgs <T>(v, EntityState.Deleted));
Context.Set <T>().Remove(v);
try
{
Context.SaveChanges();
}
catch (SqlException ex)
{
if (ex.Errors[0].Number == 547)//FK
{
throw new Exception("این اطلاعات جای دیگری استفاده شده است و نمی تواند حذف شود.", ex);
}
}
EntitySaved?.Invoke(this, new EntityEventArgs <T>(v, EntityState.Deleted));
return(Json(new[] { v }.ToDataSourceResult(request)));
}
