asp.net - ListView Item binding does not work -


i'm new asp.net(webforms). follow tutorial --> http://www.asp.net/web-forms/tutorials/aspnet-45/getting-started-with-aspnet-45-web-forms/ui_and_navigation

in site.master i've added following code described in tutorial:

    <section style="text-align: center; background-color: #fff">         <asp:listview id="categorylist"             itemtype="vanchoworks.models.category"             runat="server"             selectionmethod="getcategories" >             <itemtemplate>                 <b style="font-size: large; font-style: normal">                     <a href="/productlist.aspx?id=<%#: item.categoryid %>">                         <%#: item.categoryname %>                     </a>                 </b>             </itemtemplate>             <itemseparatortemplate> - </itemseparatortemplate>         </asp:listview>     </section>

in code-behind(site.master.cs)

    public iqueryable<category> getcategories()     {         var db = new productcontext();         iqueryable<category> query = db.categories;         return query;     }

but no sign of listview shown when run application. added breakpoint in getcategories() line 1, not stop there, makes me think i've not setup selectionmethod well. why that?

change selectionmethod="getcategories" selectmethod="getcategories"


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