protected void SearchProductB_OnClick(object sender, EventArgs e)
{
string searchValue = serchedValue.Text;//get search value
if (searchValue != "")
{
//set values and take care of unexpected value or null error
int orderBy, shopId;
try
{
orderBy = int.Parse(productOrder.SelectedValue);
}
catch
{
orderBy = 4;
}
try
{
shopId = ((BlShopManager)Session["user"]).ShopId;
}
catch
{
shopId = -1;
}
try
{
string ch = SearchBy.Items[SearchBy.SelectedIndex].ToString();//get by what to search
bool IsSearchName = (ch == "Product name");
if (!IsSearchName && !double.TryParse(searchValue, out double result))
{
//if searching by price and search val is not a value error msg
MSG.Text = "please a valid price '" + searchValue + "' is not a number";
}
else
{
//get the list by the parameters
List <BLProduct> products = BLProduct.Search(searchValue, shopId, IsSearchName, orderBy);
UpdateData(products); //set data source
MSG.Text = ""; //set text to no error
}
}
catch (Exception exception)
{
MSG.Text = "please select by what you want to search " + exception.Message;// error massage
}
}
else
{
MSG.Text = "please type the value you want to search";// error massage
}
}