Unable to pass the item name of the tapped item on a listview in xamarin forms

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Xamarin

I have built a xamarin application wherein i dynamically get a list of items with two fields ItemCode and ItemDesc from the web api and show it in a listview. Now when the listview is tapped, i want to pass the itemcode to the next page. My code in the code behind is as follows:

private async void LstItems_OnItemTapped(object sender, ItemTappedEventArgs e)

        {

            var itemmaster = sender as Item;

            if (itemmaster != null)
            {
                var ItemCode = itemmaster.ItemCode;

                await Navigation.PushAsync(new DetailItemPage(ItemCode.ToString()));

        
    }
        }

           

But my sender returns null and hence my page just does not navigate to the new page.Please help.

My Item Class is as below:

namespace MyFirstDbApp.Models
{
 public    class Item
    {

        public String ItemCode { get; set; }

        public String ItemDesc { get; set; }
    }
}

What I have tried:

I have built a xamarin application wherein i dynamically get a list of items with two fields ItemCode and ItemDesc from the web api and show it in a listview. Now when the listview is tapped, i want to pass the itemcode to the next page. My code in the code behind is as follows:

private async void LstItems_OnItemTapped(object sender, ItemTappedEventArgs e)

        {

            var itemmaster = sender as Item;

            if (itemmaster != null)
            {
                var ItemCode = itemmaster.ItemCode;

                await Navigation.PushAsync(new DetailItemPage(ItemCode.ToString()));

        
    }
        }

           

But my sender returns null and hence my page just does not navigate to the new page.Please help.

My Item Class is as below:

namespace MyFirstDbApp.Models
{
 public    class Item
    {

        public String ItemCode { get; set; }

        public String ItemDesc { get; set; }
    }
}