<telerik:RadButton runat="server" Text="PostBack"  AutoPostBack="true"></telerik:RadButton>
<telerik:RadGrid runat="server" ID="RadGrid2">
    <MasterTableView DataKeyNames="Column1" ClientDataKeyNames="Column1" CommandItemDisplay="Top">
            <Columns>
            <telerik:GridBoundColumn UniqueName="Col1" DataField="Column1" HeaderText="Col1"s></telerik:GridBoundColumn>
                <telerik:GridBoundColumn UniqueName="Col2" DataField="Column2" HeaderText="Col2"></telerik:GridBoundColumn>
                <telerik:GridBoundColumn UniqueName="Co13" DataField="Column3" HeaderText="Co13"></telerik:GridBoundColumn>
                <telerik:GridBoundColumn UniqueName="Col4" DataField="Column4" HeaderText="Col4"></telerik:GridBoundColumn>
        </Columns>
    </MasterTableView>
    <ClientSettings ReorderColumnsOnClient="false" AllowColumnsReorder="true">
            <DataBinding Location="~/Api/RevCodeGrid" SelectMethod="GetDataAndCount2"   >
        </DataBinding>
    </ClientSettings>
</telerik:RadGrid>

public class Test
{
    public String Column1 { get; set; }
    public String Column2 { get; set; }
    public String Column3 { get; set; }
    public String Column4 { get; set; }
}


[HttpPost]
public virtual RadGridResultData GetDataAndCount2(object context)
{
    List<Test> items = new List<Test>();
    items.Add(new Test() { Column1 = "1", Column2 = "A", Column3 = "A1", Column4 = "A12" });
    items.Add(new Test() { Column1 = "2", Column2 = "B", Column3 = "B1", Column4 = "B12" });
    items.Add(new Test() { Column1 = "3", Column2 = "C", Column3 = "C1", Column4 = "C12" });
    items.Add(new Test() { Column1 = "4", Column2 = "D", Column3 = "D1", Column4 = "D12" });

    return new RadGridResultData { Data = items, Count = items.Count };
}

function pageLoadHandler() {
    $telerik.$("[role=button][aria-controls]");
    $telerik.$("[role=textbox]").removeAttr("aria-valuemin").removeAttr("aria-valuemax");
    // Sys.Application.remove_load(pageLoadHandler);  
}
Sys.Application.add_load(pageLoadHandler);

<script>
    function OnClientLoad(sender, args) {
        $telerik.$(sender.get_element()).removeAttr("role").find(">").attr("role", "menubar")
    }
</script>
<telerik:RadMenu runat="server" ID="RadMenu1" EnableAriaSupport="true"  RenderMode="Lightweight" OnClientLoad="OnClientLoad" TabIndex="1">

WEBVTT - This file has cues.

14
00:01:14.815 --> 00:01:18.114
- What?
- Where are we now?

15
00:01:18.171 --> 00:01:20.991
- This is big bat country.

WEBVTT

00:01:14.815 --> 00:01:18.114
- What?
- Where are we now?

00:01:18.171 --> 00:01:20.991
- This is big bat country.

<span id="ctl00_ContentPlaceholder1_RadComboBox2_Arrow" class="p-icon p-i-arrow-60-down" role="button" aria-controls="ctl00_ContentPlaceholder1_RadComboBox2_listbox" tabindex="0"></span>

  var _DropDown_OnClientLoad = function (sender, args) {
    var input = sender.get_inputDomElement();

    //Remove tabindex from down-arrow button. We never want to focus this button.
    $telerik.$(input).siblings("button").find("[role=button]").attr("tabindex", null);

    //hide the down-arrow button from screen readers. The entire combo box
    //should be considered a single control.
    $telerik.$(input).siblings("button").attr("aria-hidden", "true");
}

<table>
    <tbody>
        <tr>
            <td rowspan="2">A1</td>
            <td>B1</td>
            <td rowspan="2">C1</td>
        </tr>
        <tr>
            <td>B2</td>
        </tr>
    </tbody>
</table>

<table>
    <tbody>
        <tr>
            <td>A1</td>
            <td>C1</td>
            <td>B2</td>
        </tr>
    </tbody>
</table>

<table>
    <tbody>
        <tr>
            <td>A1</td>
            <td>B2</td>
            <td>C1</td>
        </tr>
    </tbody>
</table>

No render mode set:        <telerik:RadRadioButtonList ID="RadRadioButtonList3" runat="server">
            <Items>
                <telerik:ButtonListItem Text="AllXxXxX" Value="d" />
                <telerik:ButtonListItem Text="Phone xxxxxxxxx" Value="P" />
                <telerik:ButtonListItem Text="IP/URL xxxxxxxxx" Value="I" />
                <telerik:ButtonListItem Text="General xxxxxxxxx" Value="O" />
            </Items>
        </telerik:RadRadioButtonList>

        <telerik:RadButton runat="server" ID="Button1" Text="Button"/>

RenderMode="Classic":
        <telerik:RadRadioButtonList ID="RadRadioButtonList3" runat="server">
            <Items>
                <telerik:ButtonListItem Text="AllXxXxX" Value="d" />
                <telerik:ButtonListItem Text="Phone xxxxxxxxx" Value="P" />
                <telerik:ButtonListItem Text="IP/URL xxxxxxxxx" Value="I" />
                <telerik:ButtonListItem Text="General xxxxxxxxx" Value="O" />
            </Items>
        </telerik:RadRadioButtonList>

        <telerik:RadButton runat="server" ID="Button1" Text="Button"/>

<telerik:RadButton runat="server" ID="RadButton1" Text="Hide Grids with no Contrast issues" AutoPostBack="false" OnClientClicked="OnClientClicked" />
<script>
    function OnClientClicked(sender, args) {
        var $ = $ || $telerik.$;
        var failingSkins = []
        $(".RadGrid").each(function () {
            var grid = $(this)
            if (grid.find(".ANDI508-element-danger").length == 0) {
                grid.parent().hide();
            } else {
                failingSkins.push(grid.parent().find(".label").text())
            }
        })
        console.log(failingSkins)
    }
</script>

<a href="javascript:void((function(){andiScript=document.createElement('script');andiScript.setAttribute('src','https://www.ssa.gov/accessibility/andi/andi.js');document.body.appendChild(andiScript)})());">Run ANDI tool</a>
<br />
<telerik:RadSkinManager ID="RadSkinManager1" runat="server"></telerik:RadSkinManager>
<asp:Repeater runat="server" ID="Repeater1" OnItemDataBound="Repeater1_ItemDataBound">
    <SeparatorTemplate>
        <hr />
    </SeparatorTemplate>
    <ItemTemplate>
        <div class="container">
            <asp:Label Text="Label1" CssClass="label" ID="Label1" runat="server" />
            <telerik:RadGrid ID="RadGrid1" RenderMode="Lightweight" runat="server" AllowPaging="True" CellSpacing="0"
                GridLines="None" Width="800px" PageSize="10" OnNeedDataSource="RadGrid1_NeedDataSource"
                AllowSorting="true">
                <MasterTableView AutoGenerateColumns="False" DataKeyNames="OrderID">
                    <Columns>
                        <telerik:GridHyperLinkColumn DataTextField="ShipName" DataNavigateUrlFields="OrderID" DataNavigateUrlFormatString="https://google.com/search?q={0}" Target="_blank"></telerik:GridHyperLinkColumn>
                    </Columns>
                </MasterTableView>
            </telerik:RadGrid>

        </div>

    </ItemTemplate>
</asp:Repeater>

protected void Page_Load(object sender, EventArgs e)
{
    Repeater1.DataSource = RadSkinManager1.GetSkinChooser().Items;
    Repeater1.DataBind();
}
protected void RadGrid1_NeedDataSource(object sender, GridNeedDataSourceEventArgs e)
{
    (sender as RadGrid).DataSource = Enumerable.Range(1,70).Select(x=> new { OrderID = x, ShipName = "Ship name #" + x });
}

protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
    var grid = e.Item.FindControl("RadGrid1") as RadGrid;
    if (grid != null)
    {
        var skin = (e.Item.DataItem as RadComboBoxItem).Text;
        grid.Skin = skin;
        (e.Item.FindControl("Label1") as Label).Text=skin;

    }
}