Hyperlink in Grid view

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Gridview

hello everybody

i have xmlfile and i showen its in gridview

so how i can make ID column as hyperlink when i click any Id number its open new page and show me information in text box

this is my code

<?xml version="1.0" standalone="yes"?>
<Students>
<Student>
<ID>1</ID>
<Name> ahmad </Name>
<Email> Ahmad@xml.com </Email>
<Address> Amman </Address>
<Mobile> 0781178778 </Mobile>
<Class> Seventh </Class>
</Student>
<Student>
<ID>2</ID>
<Name> Khaled </Name>
<Email> Khaled@xml.com </Email>
<Address> Zarqa </Address>
<Mobile> 078232342 </Mobile>
<Class> Sixth </Class>
</Student>
</Students>

and this is the first page(its called Default) html code

<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
    <asp:GridView ID="GridView1" runat="server" 
        onselectedindexchanged="GridView1_SelectedIndexChanged" CellPadding="0" 
        Width="1px">           
    </asp:GridView>
    <asp:Button ID="Button1" runat="server" onclick="Button1_Click" 
        Text="Add New Student" Width="118px" />

        </asp:Content>

and this is friest page behind code

using System.Data;
using System.Xml;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        DataSet s = new DataSet();
        s.ReadXml(Server.MapPath("Courses.xml"));
        GridView1.DataSource= s.Tables[0];
        GridView1.DataBind();
       
        // Data Set dd = new Data Set();
        //dd.ReadXml("XML Path");
        //DataTable xm = ds.Tables[0];

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        int gridrowscount = GridView1.Rows.Count;//getting grid view rows count to assign as id to the next 
        Response.Redirect("Default2.aspx?ID="+gridrowscount); // open new Page and transfering the count using querystring
        
               
    }
    protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
    {
        int gridrowscount = GridView1.Rows.Count;
        Response.Redirect("Default2.aspx?ID=");
    }
   
}

and this is second page (called Default2.aspx) behind code

public partial class Default2 : System.Web.UI.Page
{
    int intID;// declaring global variable to ust it anywhere 
    string ID;
    protected void Page_Load(object sender, EventArgs e)
    {
        intID = int.Parse(Request.Params["ID"]) + 1;//to increase the int that coming from first page 1
        ID = intID.ToString();
        string s = Request.QueryString[0];

      
    }
    protected void TextBox1_TextChanged(object sender, EventArgs e)
    {
     
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        DataSet dsXML = new DataSet();
        dsXML.ReadXml(Server.MapPath("~/") + "Courses.xml");
        if (dsXML.Tables.Count > 0)
        {
            DataRow drstudent = dsXML.Tables[0].NewRow();
            drstudent["ID"] = Server.HtmlEncode(ID);
            drstudent["Name"] = Server.HtmlEncode(TextBox1.Text);
            drstudent["Email"] = Server.HtmlEncode(TextBox2.Text);
            drstudent["Address"] = Server.HtmlEncode(TextBox3.Text);
            drstudent["Mobile"] = Server.HtmlEncode(TextBox4.Text);
            drstudent["Class"] = Server.HtmlEncode(TextBox5.Text);

            dsXML.Tables[0].Rows.Add(drstudent);
        }

    
        dsXML.WriteXml(Server.MapPath("~/") + "Courses.xml");
        Response.Redirect("default.aspx");
       

    }

    private void BindData()
    {
        XmlTextReader xmlReader = new XmlTextReader(Server.MapPath("Courses.xml"));
        xmlReader.Close();
    }

}