Request.PathInfo show "The resource cannot be found" error when click on second link
my code shown below :
article.aspx
<form id="form1" runat="server">
<div>
<ul>
<li><a href="article.aspx/book">Books</a></li>
<li><a href="article.aspx/story">DVDs</a></li>
<li><a href="article.aspx/songs">CDs</a></li>
</ul>
Request.PathInfo value:
<asp:Label ID="Label1" runat="server" ></asp:Label>
</div>
</form>
.cs page : article.aspx.cs
protected void Page_Load(object sender, EventArgs e)
{
string url = GetCategory();
Label1.Text = url;
}
public string GetCategory()
{
if ((Request.PathInfo.Length == 0))
{
return "";
}
else
{
return Request.PathInfo.Substring(1);
}
}
my problem is Request.PathInfo work only first time when click a any one link.. the second time click this show error "The resource cannot be found".
please help me ... thanks advance ...