//GET Delete
public async Task <IActionResult> Delete(int?id)
{
if (id == null)
{
return(NotFound());
}
var subCategory = await _db.SubCategory.Include(s => s.Category).SingleOrDefaultAsync(m => m.Id == id);
if (subCategory == null)
{
return(NotFound());
}
SubCategoryDeleteVM objSCD = new SubCategoryDeleteVM {
SubCategory = subCategory
};
return(View(objSCD));
}
public async Task <IActionResult> DeleteConfirmed(int id)
{
ViewBag.IsLinkedSubCategory = "";
var subCategory = await _db.SubCategory.SingleOrDefaultAsync(m => m.Id == id);
var IsLinkedToMenuItem = await _db.MenuItems.Where(s => s.SubCategoryId.Equals(id)).ToListAsync();
if (IsLinkedToMenuItem.Count > 0)
{
var subCategorywithCat = await _db.SubCategory.Include(s => s.Category).SingleOrDefaultAsync(m => m.Id == id);
SubCategoryDeleteVM objSCD = new SubCategoryDeleteVM {
SubCategory = subCategorywithCat
};
objSCD.StatusMessage = "Error : Unable to delete \"" + subCategorywithCat.Name + "\", because it is linked to a Menu Item.";
return(View(nameof(Delete), objSCD));
}
_db.SubCategory.Remove(subCategory);
await _db.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}