public async Task <IActionResult> DeleteConfirmed(int?id)
{
var category = await _db.Category.FindAsync(id);
if (category == null)
{
return(View());
}
CategoryDeleteVM objCD = new CategoryDeleteVM {
Category = category
};
var IsLinkedSubCategory = await _db.SubCategory.Where(s => s.CategoryId.Equals(id)).ToListAsync();
var IsLinkedMenuItem = await _db.MenuItems.Where(s => s.CategoryId.Equals(id)).ToListAsync();
if (IsLinkedSubCategory.Count > 0)
{
objCD.StatusMessage = "Error : Unable to delete \"" + category.Name + "\", because it is linked to a Sub-Category.";
return(View(objCD));
}
else if (IsLinkedMenuItem.Count > 0)
{
objCD.StatusMessage = "Error : Unable to delete \"" + category.Name + "\", because it is linked to a Menu Item.";
return(View(objCD));
}
_db.Category.Remove(category);
await _db.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
public void DeleteMappedCategory(CategoryDeleteVM vm)
{
// aşşağıdaki kullanım şeklinde, instance almadan dbset içerisindeki kaydı map işlemi yapar.
Category category = _mapper.Map(vm, _categoryRepository.GetById(vm.Id));
_categoryRepository.Delete(category);
}
//Get-Delete
public async Task <IActionResult> Delete(int?id)
{
if (id == null)
{
return(NotFound());
}
var category = await _db.Category.FindAsync(id);
if (category == null)
{
return(NotFound());
}
CategoryDeleteVM objCD = new CategoryDeleteVM {
Category = category
};
return(View(objCD));
}