怎样在Calendar中加入链接？弹出新窗口

Question

private void Calendar1_DayRender(object sender, System.Web.UI.WebControls.DayRenderEventArgs e)
{
if(e.Day.IsOtherMonth)
e.Cell.Controls.Clear();
else
{
string i=e.Day.Date.ToShortDateString();
string url="addricheng.aspx?day="+i;
string url1="viewricheng.aspx?day="+i;
e.Cell.Controls.Add(new LiteralControl("<br><br><A HREF=javascript:popUp1('"+url1+"')> <img border='0'src='../images/view.gif'></A>"));
e.Cell.Controls.Add(new LiteralControl("<A HREF=javascript:popUp('"+url+"')> <img border='0'src='../images/add_small.gif'></A>")); }
}