Code to navigate Catalog categories on an ASP.NET Web form

Article
11/12/2009

Use the following code to navigate through catalog categories on an ASP.NET Web form. The code sample should be used within a Commerce Server project. For more information about creating a Commerce Server project, see Creating a Commerce Project.

<%@ Page Language="C#" Trace="False" %>
<%@ Import Namespace="Microsoft.CommerceServer.Runtime" %>
<%@ Import Namespace="Microsoft.CommerceServer.Runtime.Catalog" %>
<%@ Import Namespace="System.Data" %>

<script language="C#" >
    CatalogContext catalogCtx = CommerceContext.Current.CatalogSystem;
    string catalogName = @"Adventure Works Catalog";

    void Page_Load(object source, EventArgs args) {
        if (!IsPostBack) {
            UpdateCategories();
        }
    }

    void RootCategoryListing_ItemCommand(object source, RepeaterCommandEventArgs args) {
        SelectedCategory.Text = @"You selected <b>" + args.CommandArgument + "</b>";
    }

    void UpdateCategories() {
        RootCategoryListing.DataSource = catalogCtx.GetCatalog(catalogName).GetRootCategories();
        RootCategoryListing.DataBind();
    }

</script>

<html>
<head>
    <title>List Categories</title>
</head>
<body>

    <form >

        <asp:Label
            id="SelectedCategory"
            Text="No category selected"
            /><br/><br/>

        <asp:Repeater
            id="RootCategoryListing"
            OnItemCommand="RootCategoryListing_ItemCommand"
            >

            <HeaderTemplate>
                <h2>Categories:</h2>
            </HeaderTemplate>

            <ItemTemplate>

                <asp:LinkButton
                    id="SelectCategoryBtn"
                    CommandName="Select"
                    CommandArgument='<%# ((DataRowView)Container.DataItem)["CategoryName"] %>'
                    >

                    <%# DataBinder.Eval(Container.DataItem, "CategoryName") %>

                </asp:LinkButton>

            </ItemTemplate>

            <SeparatorTemplate>
                <p/>
            </SeparatorTemplate>

        </asp:Repeater>

    </form>

</body>
</html>

Code to navigate Catalog categories on an ASP.NET Web form

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