public ActionResult Edit(Models.Product postback)
{
if (this.ModelState.IsValid) //判斷使用者輸入資料是否正確
{
using (Models.FoodCourtDBEntities db = new Models.FoodCourtDBEntities()) {
//抓取Product.Id等於回傳postback.Id的資料
var result = (from s in db.Products where s.productID == postback.productID select s).FirstOrDefault();
//儲存使用者變更資料
result.productName = postback.productName; result.productPicture = postback.productPicture;
result.salesVolume = postback.salesVolume; result.storeProductId = postback.storeProductId;
result.productDescription = postback.productDescription; result.productPrice = postback.productPrice;
result.storeId = postback.storeId; result.productState = postback.productState;
result.categoryID = postback.categoryID;
//儲存所有變更
db.SaveChanges();
//設定成功訊息並導回index頁面
TempData["ResultMessage"] = String.Format("商品[{0}]成功編輯", postback.productName);
return(RedirectToAction("ManagerIndex"));
}
}
else //如果資料不正確則導向自己(Edit頁面)
{
return(View(postback));
}
}
public ActionResult Edit(int?productID)
{
if (String.IsNullOrEmpty((string)Session["logState"])) //如未登入，則重導到登入頁面
{
Session["lastPage"] = "/Edit/ManagerIndex"; //儲存最後頁面
return(RedirectToAction("Login", "Member")); //重導到登入頁面
}
//如果不是商店管理者，則重導回首頁
if (Session["identity"].ToString() != "store" && Session["identity"].ToString() != "storeUser")
{
return(RedirectToAction("Index", "Products"));
}
using (Models.FoodCourtDBEntities db = new Models.FoodCourtDBEntities()) {
//抓取Product.Id等於輸入id的資料
var result = (from s in db.Products where s.productID == productID select s).FirstOrDefault();
if (result != default(Models.Product)) //判斷此id是否有資料
{
ViewBag.result = result;
return(View(result)); //如果有回傳編輯商品頁面
}
else //如果沒有資料則顯示錯誤訊息並導回Index頁面
{
TempData["resultMessage"] = "資料有誤，請重新操作";
return(RedirectToAction("ManagerIndex"));
}
}
}
public ActionResult Create(Models.Product postback)
{
if (this.ModelState.IsValid) //如果資料驗證成功
{
using (Models.FoodCourtDBEntities db = new Models.FoodCourtDBEntities()) {
//將回傳資料postback加入至Products
db.Products.Add(postback);
//儲存異動資料
db.SaveChanges();
//設定成功訊息
TempData["ResultMessage"] = String.Format("商品[{0}]成功建立", postback.productName);
//轉導Product/Index頁面
return(RedirectToAction("ManagerIndex"));
}
}
//失敗訊息
ViewBag.ResultMessage = "輸入資料有誤，請檢查";
//停留在Create頁面
return(View(postback));
}
