How to make DataList clickable and open with unique id

<%# Eval("Name") %>
, <%# Eval("ContentType") %>
Image:	Height="75px" Width="75px"/>
Name: <%# Eval("Name")%>
ContentType: <%# Eval("ContentType")%>

protected void Page_Load(object sender, EventArgs e)

{

if (!this.IsPostBack)

{

DataTable dt = this.GetData();

dlCustomers.DataSource = dt;

dlCustomers.DataBind();

}

private DataTable GetData()

{

string conString = ConfigurationManager.ConnectionStrings["conString"].ConnectionString;

using (SqlConnection con = new SqlConnection(conString))

{

using (SqlCommand cmd = new SqlCommand("SELECT id, Name, ContentType,Data from tblFiles "))

{

using (SqlDataAdapter sda = new SqlDataAdapter())

{

cmd.Connection = con;

sda.SelectCommand = cmd;

using (DataTable dt = new DataTable())

{

sda.Fill(dt);

return dt;

}