Bind Multi-column combobox to WebMethod

[Andrew]

multi-column RadComboBox  via a web method. 

ASPX

<telerik:RadComboBox  runat="server" ID="RadComboBox1" Width="200px"

        MarkFirstMatch="true"

        EnableLoadOnDemand="true"

        HighlightTemplatedItems="true"

        DroDownCssClass="exampleRadComboBox">

       <HeaderTemplate>

            <tr>

                <th class="col1">Category Name</th>

             <%--   <th class="col2">Some other column</th>--%>

            </tr>

        </HeaderTemplate>

        <ItemTemplate>

            <tr>

                <td class="col1">

                    <%# DataBinder.Eval(Container.DataItem, "Category_Name") %></td>

             <%--   <td class="col2">

                    <%# DataBinder.Eval(Container.DataItem, "Some_Other_Col") %></td>--%>

            </tr>

        </ItemTemplate>

          <WebServiceSettings Method="GetCat" Path="Default.aspx" />

</telerik:RadComboBox>

  Code Behind

 

[WebMethod]

       public static RadComboBoxData GetCatType(RadComboBoxContext context)

       {

           var x =

               "[{'CoachingSessionActivityCategoryID':0,'CoachingSessionActivityTypeID':1000005,'Category_Name':'Skills Conditioning','TeamID':0,'ClubID':1,'Type_Name':'Skills Con - Small Sided Games (Attack)'}]";

 

           var data = JsonConvert.DeserializeObject<DataTable>(x);

 

           RadComboBoxData comboData = new RadComboBoxData();

 

 

           var itemOffset = context.NumberOfItems;

           var endOffset = Math.Min(itemOffset + 10, data.Rows.Count);

 

           comboData.EndOfItems = endOffset == data.Rows.Count;

 

           List<RadComboBoxItemData> result = new List<RadComboBoxItemData>(endOffset - itemOffset);

 

           for (int i = itemOffset; i < endOffset; i++)

           {

               RadComboBoxItemData itemData = new RadComboBoxItemData();

               itemData.Text = data.Rows[i]["Category_Name"].ToString();

               itemData.Value = data.Rows[i]["Category_Name"].ToString();

               result.Add(itemData);

 

           }

           comboData.Items = result.ToArray();

           return comboData;

       }

 

The question is: 

1) How do I bind the combobox to the web method?

2) How do I bind multiple columns to the combo box with the web method?

[Andrew]

Would delete this post if I could. 

The problem was the web service method I was calling from the combobox and the codebehind. 

<WebServiceSettings Method="GetCat" Path="Default.aspx" />

 

[WebMethod]
       public static RadComboBoxData GetCatType(RadComboBoxContext context)

Their names didn't match up.