Encrypt QueryString Parameters in GridView HyperLink columns in ASP.Net

This way

  <asp:HyperLink NavigateUrl='<%# "~/CS2.aspx?name=" + HttpUtility.UrlEncode(Encrypt(Eval("Name").ToString())) + "&city=" + HttpUtility.UrlEncode(Encrypt(Eval("City").ToString())) %>' Text='<%# Eval("Name") %>' runat="server" />