Passing query string

<a href='../Sample/sample.aspx?id=<%#Eval("id") %>'>
                                    <%#Eval("Name") %>
                                </a>

<asp:hyperlink id="lnkMyLink" runat="server" test="Click Here!!" xmlns:asp="#unknown" />

protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
string query = //Get query string;
lnkMyLink.NavigateUrl = String.Format("http://www.com.Sample.aspx?name={0}", query);
}
}

protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
string query = //Get query string from sql server;
linkid.href= "http://www.com.Sample.aspx?name=" + query);
}
}