how to view Generic List items in label or in gridview

hi friends


How to View my Generic List to a label in a webpage when a button is fired from another page .. or else in gridview

        string itemName;
        int count = GridView1.Rows.Count;
        List<int32> id = new List<int32>();

        foreach (GridViewRow item in GridView1.Rows)
        {
           
            itemName = item.Cells[1].Text;
            id.Add(method to get id from database);


        }
foreach (Int32 txt in id)
        {


            globalvariable+= txt.ToString();
        }

please provide some code

Tags: C++, C, C# (C# 2.0, C# 3.0, C# 4.0), CSS, ASP, ADO, ADO.NET, Ajax, ASP.NET, ASP.NET4.0