public async Task <IActionResult> Edit(int id, [Bind("guid,name,password,salt,createdOn,id")] Customer customer)
{
if (id != customer.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(customer);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!CustomerExists(customer.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(customer));
}
/// <summary>
/// 通过id更新一个实体的所有属性
/// </summary>
/// <returns>The update.</returns>
/// <param name="entity">Entity.</param>
public bool Update(T entity)
{
//T res = _context.Set<T>().Where(x => x.Id == entity.Id).First();
//res = entity;
_context.Update(entity);
return(SaveChanges());
//_context.SaveChanges();
//var entry = this._context.Entry(entity);
//entry.State = EntityState.Modified;
////如果数据没有发生变化
//if (!_context.ChangeTracker.HasChanges())
//{
// return;
//}
}