<telerik:RadGrid RenderMode="Lightweight" ID="RadGrid_CIPCodes" GridLines="None" runat="server" Skin="Bootstrap" role="application"
    PageSize="10"
    AllowPaging="true"
    AutoGenerateColumns="False"
    OnNeedDataSource="RadGrid_CIPCodes_NeedDataSource"
    AllowSorting="true"
    AllowFilteringByColumn="true"
    GroupingSettings-CaseSensitive="False" FilterType="Combined"
    EnableAriaSupport="true">
    <MasterTableView CommandItemDisplay="TopAndBottom" DataKeyNames="OrderID" HorizontalAlign="NotSet" EditMode="Batch" Caption="Master Table" AutoGenerateColumns="False"
        AllowMultiColumnSorting="false"
        NoMasterRecordsText="No new CIP Code(s) to add!" ShowHeadersWhenNoRecords="true">
        <BatchEditingSettings EditType="Row" />
        <CommandItemSettings ShowAddNewRecordButton="false" SaveChangesText="Save" CancelChangesText="Cancel" ShowRefreshButton="false" />
        <SortExpressions>
            <telerik:GridSortExpression FieldName="OrderID" SortOrder="Ascending" />
        </SortExpressions>
        <PagerStyle Mode="NextPrevAndNumeric" PageButtonCount="3" Position="Bottom" ChangePageSizeButtonToolTip="PageSizeButton" ChangePageSizeTextBoxToolTip="ChangePageSizeToolTip" />
        <RowIndicatorColumn CurrentFilterFunction="Contains" FilterListOptions="VaryByDataType" Visible="False">
            <HeaderStyle />
        </RowIndicatorColumn>
        <Columns>
            <telerik:GridBoundColumn DataField="OrderID" HeaderStyle-Width="100px" HeaderText="CIP Code" SortExpression="CIP_Code" UniqueName="CIP_Code" ForceExtractValue="InEditMode"
                FilterListOptions="VaryByDataType" AutoPostBackOnFilter="true" CurrentFilterFunction="Contains" ShowFilterIcon="false" ReadOnly="true" FilterControlWidth="90px">
            </telerik:GridBoundColumn>
            <telerik:GridBoundColumn DataField="ShipCountry" HeaderStyle-Width="210px" HeaderText="Display Text" SortExpression="Display_Text" ForceExtractValue="InEditMode" AutoPostBackOnFilter="true"
                UniqueName="Display_Text" CurrentFilterFunction="Contains" ShowFilterIcon="false">
                <ColumnValidationSettings EnableRequiredFieldValidation="true">
                    <RequiredFieldValidator ForeColor="Red" Text="*This field is required" Display="Dynamic">
                    </RequiredFieldValidator>
                </ColumnValidationSettings>
            </telerik:GridBoundColumn>
            <telerik:GridBoundColumn HeaderStyle-Width="210px" HeaderText="Value" ShowFilterIcon="false" UniqueName="Disp_Value" DataField="ShipCountry" SortExpression="Disp_Value" ForceExtractValue="InEditMode" AutoPostBackOnFilter="true" CurrentFilterFunction="Contains"></telerik:GridBoundColumn>
            <telerik:GridBoundColumn HeaderStyle-Width="210px" HeaderText="Open Doors Code" UniqueName="OpenDoorsCode" DataField="ShipCountry" AllowFiltering="false" HeaderStyle-Font-Bold="true" ConvertEmptyStringToNull="true"></telerik:GridBoundColumn>
            <telerik:GridTemplateColumn HeaderText="STEM Eligible" DefaultInsertValue="" HeaderStyle-Width="100px" UniqueName="StemEligible" AllowFiltering="false" HeaderStyle-Font-Bold="true">
                <ItemTemplate>
                </ItemTemplate>
                <EditItemTemplate>
                    <telerik:RadDropDownList RenderMode="Lightweight" runat="server" ID="StemEligibleDropDown">
                        <Items>
                            <telerik:DropDownListItem Text="" Value="" Selected="true" />
                            <telerik:DropDownListItem Text="Yes" Value="1" />
                            <telerik:DropDownListItem Text="No" Value="0" />
                        </Items>
                    </telerik:RadDropDownList>
                </EditItemTemplate>
            </telerik:GridTemplateColumn>
            <telerik:GridCheckBoxColumn HeaderStyle-Width="100px" HeaderText="Add to DB" HeaderTooltip="header tooltip" UniqueName="AddToDB" AllowFiltering="false" HeaderStyle-Font-Bold="true" ToolTip="Is Checked?"></telerik:GridCheckBoxColumn>
        </Columns>
    </MasterTableView>
    <ClientSettings AllowKeyboardNavigation="true"></ClientSettings>
    <FilterMenu>
        <CollapseAnimation Type="OutQuint" Duration="100" />
    </FilterMenu>
</telerik:RadGrid>

protected void RadGrid_CIPCodes_NeedDataSource(object sender, GridNeedDataSourceEventArgs e)
{
    (sender as RadGrid).DataSource = OrdersTable();
}

private DataTable OrdersTable()
{
    DataTable dt = new DataTable();

    dt.Columns.Add(new DataColumn("OrderID", typeof(int)));
    dt.Columns.Add(new DataColumn("OrderDate", typeof(DateTime)));
    dt.Columns.Add(new DataColumn("Freight", typeof(decimal)));
    dt.Columns.Add(new DataColumn("ShipName", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry", typeof(string)));

    dt.PrimaryKey = new DataColumn[] { dt.Columns["OrderID"] };

    for (int i = 0; i < 70; i++)
    {
        int index = i + 1;

        DataRow row = dt.NewRow();

        row["OrderID"] = index;
        row["OrderDate"] = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 0, 0, 0).AddHours(index);
        row["Freight"] = index * 0.1 + index * 0.01;
        row["ShipName"] = "Name " + index;
        row["ShipCountry"] = "Country " + index;

        dt.Rows.Add(row);
    }

    return dt;
}

<telerik:RadGrid ID="RadGrid1" runat="server" AllowPaging="True" Width="800px" OnNeedDataSource="RadGrid1_NeedDataSource"
    AllowFilteringByColumn="true">
    <MasterTableView AutoGenerateColumns="False">
        <Columns>
            <telerik:GridNumericColumn DataField="Price" DataType="System.Decimal"
                FilterControlAltText="Filter Price column" HeaderText="Price"
                SortExpression="Price" UniqueName="Price" NumericType="Currency" 
                AutoPostBackOnFilter="true" CurrentFilterFunction="EqualTo">
            </telerik:GridNumericColumn>
        </Columns>
    </MasterTableView>
</telerik:RadGrid>

protected void RadGrid1_NeedDataSource(object sender, GridNeedDataSourceEventArgs e)
{
    (sender as RadGrid).DataSource = Enumerable.Range(1,6).Select(x=> new { Price = Math.Pow(-1, x) * (x * 0.1 + x * 0.01) });
}

<OlapSettings>
<XmlaConnectionSettings Encoding="utf-8"></XmlaConnectionSettings>
</OlapSettings>

<telerik:RadPivotGrid ID="RadPivotGrid1" runat="server" EmptyValue="No data" AllowPaging="true" PageSize="10"
    OnNeedDataSource="RadPivotGrid1_NeedDataSource">
    <Fields>
        <telerik:PivotGridRowField DataField="ShipCountry" UniqueName="ShipCountry">
        </telerik:PivotGridRowField>

        <telerik:PivotGridAggregateField DataField="Freight" UniqueName="Freight">
        </telerik:PivotGridAggregateField>

        <telerik:PivotGridColumnField DataField="ShipCountry1" UniqueName="ShipCountry1"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry2" UniqueName="ShipCountry2"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry3" UniqueName="ShipCountry3"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry4" UniqueName="ShipCountry4"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry5" UniqueName="ShipCountry5"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry6" UniqueName="ShipCountry6"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry7" UniqueName="ShipCountry7"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry8" UniqueName="ShipCountry8"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry9" UniqueName="ShipCountry9"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry10" UniqueName="ShipCountry10"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry11" UniqueName="ShipCountry11"></telerik:PivotGridColumnField>
        <telerik:PivotGridColumnField DataField="ShipCountry12" UniqueName="ShipCountry12"></telerik:PivotGridColumnField>
    </Fields>
</telerik:RadPivotGrid>

protected void RadPivotGrid1_NeedDataSource(object sender, PivotGridNeedDataSourceEventArgs e)
{
    (sender as RadPivotGrid).DataSource = OrdersTable();
}

private DataTable OrdersTable()
{
    DataTable dt = new DataTable();

    dt.Columns.Add(new DataColumn("OrderID", typeof(int)));
    dt.Columns.Add(new DataColumn("OrderDate", typeof(DateTime)));
    dt.Columns.Add(new DataColumn("Freight", typeof(decimal)));
    dt.Columns.Add(new DataColumn("ShipCountry", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry1", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry2", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry3", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry4", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry5", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry6", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry7", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry8", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry9", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry10", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry11", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry12", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry13", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry14", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry15", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry16", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry17", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry18", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry19", typeof(string)));
    dt.Columns.Add(new DataColumn("ShipCountry20", typeof(string)));

    dt.PrimaryKey = new DataColumn[] { dt.Columns["OrderID"] };

    for (int i = 0; i < 70; i++)
    {
        int index = i + 1;

        DataRow row = dt.NewRow();

        row["OrderID"] = index;
        row["OrderDate"] = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 0, 0, 0).AddHours(index);
        row["Freight"] = index * 0.1 + index * 0.01;
        row["ShipCountry"] = "Country " + index;
        row["ShipCountry1"] = "Country " + index;
        row["ShipCountry2"] = "Country " + index;
        row["ShipCountry3"] = "Country " + index;
        row["ShipCountry4"] = "Country " + index;
        row["ShipCountry5"] = "Country " + index;
        row["ShipCountry6"] = "Country " + index;
        row["ShipCountry7"] = "Country " + index;
        row["ShipCountry8"] = "Country " + index;
        row["ShipCountry9"] = "Country " + index;
        row["ShipCountry10"] = "Country " + index;
        row["ShipCountry11"] = "Country " + index;
        row["ShipCountry12"] = "Country " + index;
        row["ShipCountry13"] = "Country " + index;
        row["ShipCountry14"] = "Country " + index;
        row["ShipCountry15"] = "Country " + index;
        row["ShipCountry16"] = "Country " + index;
        row["ShipCountry17"] = "Country " + index;
        row["ShipCountry18"] = "Country " + index;
        row["ShipCountry19"] = "Country " + index;
        row["ShipCountry20"] = "Country " + index;

        dt.Rows.Add(row);
    }

    return dt;
}

        <script lang="javascript" type="text/javascript">
            function OnClientTextChange(sender, eventArgs) {
                alert("You typed " + sender.get_text());
            }
        </script>

        <telerik:RadComboBox
            ID="RadComboBox1"
            runat="server"
            AllowCustomText="true"
            OnClientTextChange="OnClientTextChange">
            <Items>
                <telerik:RadComboBoxItem Text="item1" Value="item1" />
                <telerik:RadComboBoxItem Text="item12" Value="item12" />
                <telerik:RadComboBoxItem Text="aaaa" Value="aaa" />
                <telerik:RadComboBoxItem Text="bbbb" Value="bbb" />
                <telerik:RadComboBoxItem Text="AAAA1" Value="AAAA1" />
                <telerik:RadComboBoxItem Text="bbbb1" Value="bbb1" />
                <telerik:RadComboBoxItem Text="item11" Value="item11" />
            </Items>
        </telerik:RadComboBox>

<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 };
}

<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");
}

<body>
<form id="form1" runat="server">
<div>
<telerik:RadScriptManager runat="server" ID="rsm"></telerik:RadScriptManager>
<telerik:RadRibbonBar ID="RadRibbonBarTest" runat="server" Width="100%"
    RenderMode="Lightweight"
    EnableMinimizing="true"
    RenderInactiveContextualTabGroups="False">
    <telerik:RibbonBarTab Text="Main Tab">
        <telerik:RibbonBarGroup Text="Operations">
            <Items>
                <telerik:RibbonBarMenu Size="Large" Text="New process"
                    ImageRenderingMode="Dual"
                    ID="RibbonBarMenuOptions" runat="server">
                    <Items>
                        <telerik:RibbonBarMenuItem Text="Parent 1">
                            <Items>
                                <telerik:RibbonBarMenuItem Text="Goto Google" NavigateUrl="https://www.google.com">
                                </telerik:RibbonBarMenuItem>
                                <telerik:RibbonBarMenuItem Text="Goto Telerik" NavigateUrl="https://www.telerik.com">
                                </telerik:RibbonBarMenuItem>
                            </Items>
                        </telerik:RibbonBarMenuItem>
                    </Items>
                </telerik:RibbonBarMenu>
            </Items>
        </telerik:RibbonBarGroup>
    </telerik:RibbonBarTab>
</telerik:RadRibbonBar>
</div>
</form>
</body>

<telerik:RadGrid ID="RadGrid1" runat="server" ....>
    <MasterTableView EditMode="Batch" ....>
        <BatchEditingSettings HighlightDeletedRows="true" />
        <Columns>
            <telerik:GridBoundColumn DataField="OrderID" Display="false" UniqueName="OrderID">
            </telerik:GridBoundColumn>
            <telerik:GridDateTimeColumn DataField="OrderDate" DataType="System.DateTime"
                FilterControlAltText="Filter OrderDate column" HeaderText="OrderDate"
                SortExpression="OrderDate" UniqueName="OrderDate">
            </telerik:GridDateTimeColumn>
....