protected void Btn_search_Click(object sender, EventArgs e)
{
var productBLL = new ProductBLL();
GridProducts.DataSource = productBLL.Search(Txb_search_name.Text, Txb_search_sku.Text, Txb_search_brand.Text);
GridProducts.DataBind();
}
private void SeeGrid()
{
var productBll = new ProductBll();
GridProducts.DataSource = productBll.GetProducts();
GridProducts.DataBind();
}
private void LoadProducts()
{
var productBLL = new ProductBLL();
var productList = productBLL.LoadProducts(0);
GridProducts.DataSource = productList;
GridProducts.DataBind();
}
protected void search_OnClick(object sender, EventArgs e)
{
var productBll = new ProductBll();
try
{
GridProducts.DataSource = productBll.SearchProducts(searchTerm.Text);
GridProducts.DataBind();
}
catch (Exception exception)
{
error.InnerText = exception.Message;
}
}
protected void Page_Load(object sender, EventArgs e)
{
_dbcontext = new NorthwindEntities();
var allProducts = _dbcontext.Products.Select(x => new
{
x.ProductID,
x.ProductName,
x.Category.CategoryName,
x.QuantityPerUnit,
x.UnitPrice,
x.UnitsInStock
}).ToList();
GridProducts.DataSource = allProducts;
GridProducts.DataBind();
}
protected void DropOptionList_OnChange(object sender, EventArgs e)
{
var user = (User)Session["UserEntity"];
var productBLL = new ProductBLL();
if (user.ProfileType == EProfile.Administrator || user.ProfileType == EProfile.Operator)
{
switch (DropOptionList.SelectedItem.Value)
{
case "NewProduct.aspx":
if (user.ProfileType == EProfile.Administrator && DropOptionList.SelectedItem.Selected)
{
Response.Redirect("NewProduct.aspx");
}
else
{
Session["ErrorId"] = 1;
Session["ErrorMessage"] = "You do not have permission to execute this action.";
Response.Redirect("ErrorPage.aspx");
}
break;
case "ordId1":
GridProducts.DataSource = productBLL.LoadProducts(1);
GridProducts.DataBind();
break;
case "ordId2":
GridProducts.DataSource = productBLL.LoadProducts(2);
GridProducts.DataBind();
break;
}
}
else
{
Session["ErrorId"] = 1;
Session["ErrorMessage"] = "You do not have permission to execute this action.";
Response.Redirect("ErrorPage.aspx");
}
}
protected void DrpCategory_SelectedIndexChanged(object sender, EventArgs e)
{
int selectedID = int.Parse(DrpCategory.SelectedValue);
if (selectedID == -1)
{
GridProducts.DataSource = null;
}
else
{
//filter the products belonging to the selected category
var products = from product in entities.Products
where product.CategoryID == selectedID
select new
{
Name = product.ProductName,
Quantity_unit = product.QuantityPerUnit,
Stock = product.UnitsInStock
};
GridProducts.DataSource = products.ToArray();
}
GridProducts.DataBind();
}
protected void orderByName_OnClick(object sender, EventArgs e)
{
var productBll = new ProductBll();
var orderName = (string)Session["orderName"];
var products = productBll.SearchProducts(searchTerm.Text);
if (orderName == "desc")
{
orderName = "asc";
products = products.OrderBy(p => p.Name).ToList();
}
else
{
orderName = "desc";
products = products.OrderByDescending(p => p.Name).ToList();
}
Session["orderPrice"] = null;
Session["orderName"] = orderName;
GridProducts.DataSource = products;
GridProducts.DataBind();
}