protected void Page_Load(object sender, EventArgs e)
{
Trace.Warn("Page_Load method called");
//fill the ddl
if (Page.IsPostBack == false)
{
Trace.Warn("Pre-Postback ddl filled");
//create an instance of a da class
DA_VapeInventory categoryObject = new DA_VapeInventory();
//declare list collection
List <product> returnedProducts = categoryObject.GetProducts();
//display ddl
ddlProducts.DataSource = returnedProducts;
ddlProducts.DataTextField = "Product_Name";
ddlProducts.DataValueField = "SKU";
ddlProducts.DataBind();
ListItem itemToAdd = new ListItem("Please choose a product", "");
ddlProducts.Items.Insert(0, itemToAdd);
}
}
protected void ddlProducts_SelectedIndexChanged(object sender, EventArgs e)
{
int selectedSKU = Convert.ToInt32(ddlProducts.SelectedValue);
Trace.Warn("selectedSKU =" + selectedSKU);
//create an instance of the da class
DA_VapeInventory productsDAObject = new DA_VapeInventory();
//declare a list collection
List <product> products = productsDAObject.GetSelectedProduct(selectedSKU);
//bind to details view
dvProducts.DataSource = products;
dvProducts.DataBind();
}
protected void ddlCategories_SelectedIndexChanged(object sender, EventArgs e)
{
string selectedCategoryID = ddlCategories.SelectedValue;
Trace.Warn("selectedCAtegoryID = " + selectedCategoryID);
//create an instance of da class
DA_VapeInventory productsDAObject = new DA_VapeInventory();
//declare list collection
List <product> products = productsDAObject.GetProductsbyCategory(selectedCategoryID);
//bind gridview
gvProducts.DataSource = products;
gvProducts.DataBind();
}