or
NameValueCollection nvc = Request.Form;RadSlider rs1 = new JavaScriptSerializer().Deserialize<RadSlider>(nvc["RadSlider1_ClientState"]);var v = rs1.Items[Convert.ToInt32(rs1.Value)];

Markup Validation ServiceCheck the markup (HTML, XHTML) of Web documents
Please identify your software properly by providing the HTTP User-Agent string. Default from an underlying library (eg Java, Ruby, Coda, libwww) is not sufficiently unique in identifying your software. A good practice is to include a URI to more information about your service or software.

Checklist One|+- What is your age? | +- Age : Under 40 | | | +- Do you like cake? (Available answers : Yes, no) (Score: 3) | | | +- Do you like pie? (Available answers : Yes, no) (Score: 3) | | | +- Do you like cake more than pie? (Available answers : Yes, no, equally) (Score: 2) | +- Age : At or Over 40 | +- Do you like cake? (Available answers : Yes, no) (Score: 3) | +- Do you like pie? (Available answers : Yes, no) (Score: 3) | +- Do you like cake more than pie? (Available answers : Yes, no, equally) (Score: 2) | +- Do you diet often? | +- Answer : More or less, yes. | | | +- Does your love of cake and/or pie interfere with your dieting? (Available answers : Yes, no) (Score: 1) | | | +- Do you wish you loved cake and/or pie less? | | | +- Answer : It would help, yes. | | | | | +- Would you rather love cake or pie less? (Available answers : Cake, pie, both) (Score: 1) | | | +- Answer : No. Dieting is the price I pay to enjoy cake and/or pie. | | | +- Answer : Heck, no! You're crazy for even thinking that. | | | +- Are you offended at the thought of loving cake or pie less? (Available answers : Yes, no) (Score: 1) | | | +- Would you like some cake and/or pie right now? (Available answers : Yes, no) (Score: 1) | +- Answer : No, dieting is not something I need or want to do.
Checklist Two
|
+- Do you like coffee? (Available answers : Yes, no) (Score: 3)
|
+- Do you like tea? (Available answers : Yes, no) (Score: 3)
<telerik:RadListView ID="RadListView1" runat="server" AllowPaging="True" DataKeyNames="idutente" ItemPlaceholderID="Contenitore" PageSize="8" Width="700px" OnNeedDataSource="RadListView1_NeedDataSource"> <LayoutTemplate> <fieldset style="width: 700px; border:0px; background-color: #FFFFFF; background-image: none;" id="FieldSet1"> <div id="Contenitore" runat="server"> </div> </fieldset> </LayoutTemplate> <ItemTemplate> <div class="item-sponsor"> <asp:Image ID="Image1" runat="server" ImageUrl='<%# CType(Container.DataItem, PropertyUtente).imageprofile%>' CssClass="img"/> <span class="name"> <%# CType(Container.DataItem, PropertyUtente).utente%> </span> <span class="title"> <%# CType(Container.DataItem, PropertyUtente).Desccategoria%></span> </div> </ItemTemplate></telerik:RadListViewthis.ProvinciaRadComboBox.DataSource = DiccionarioDatos.provincias; // Provincia[]this.ProvinciaRadComboBox.DataTextField= "nombre";this.ProvinciaRadComboBox.DataBind(); //<---the error is raised here