<telerik:RadGrid ID="grdFees" runat="server" AutoGenerateColumns="False" GridLines="None"
            AllowSorting="False"  Height="310px"
            OnNeedDataSource="grdFees_NeedDataSource"
            OnPreRender="grdFees_PreRender" 
            OnItemDataBound="grdFees_ItemDataBound">
        <MasterTableView CellPadding="4" CommandItemDisplay="Top" EditMode="Batch" DataKeyNames="FeeTypeId, CurrencyCode, ShowCurrencyCode, Paid" ClientDataKeyNames="Paid,ShowCurrencyCode">
            <CommandItemSettings ShowExportToWordButton="false" ShowExportToExcelButton="false"
                ShowExportToCsvButton="false" ShowExportToPdfButton="false" ShowRefreshButton="false"
                ShowAddNewRecordButton="false" />
            <BatchEditingSettings EditType="Row" HighlightDeletedRows="true" OpenEditingEvent="Click" />
            <Columns>
                <telerik:GridBoundColumn UniqueName="Name" DataField="Name" HeaderStyle-Width="100px" ReadOnly="True" />

                <telerik:GridNumericColumn UniqueName="Amount" DataField="Amount" HeaderStyle-Width="70px" HeaderText="Amount" DecimalDigits="3"  />

                <telerik:GridTemplateColumn UniqueName="CurrencyCode" DataField="CurrencyCode" HeaderText="Currency Code" DefaultInsertValue="GBP" HeaderStyle-Width="60px">
                    <ItemTemplate>
                        <%# Eval("CurrencyCode") %>
                    </ItemTemplate>
                    <EditItemTemplate>
                        <telerik:RadComboBox RenderMode="Lightweight" runat="server" ID="CurrencyCodeDropDown" DataValueField="CurrencyCode"
                            DataTextField="CurrencyCode" MarkFirstMatch="true" AllowCustomText="true" >
                        </telerik:RadComboBox>
                    </EditItemTemplate>
                </telerik:GridTemplateColumn>

                <telerik:GridCheckBoxColumn UniqueName="Paid" DataField="Paid" HeaderStyle-Width="20px" HeaderText="Paid" SortExpression="Paid" ReadOnly="true" />

                <telerik:GridBoundColumn UniqueName="PaidDate" DataField="PaidDate" HeaderText="Paid Date" HeaderStyle-Width="100px" ReadOnly="True" 
                    DataFormatString="{0:yyyy-MM-dd HH:mm:ss}" />
            </Columns>
        </MasterTableView>
        <ClientSettings>
            <Scrolling AllowScroll="True" UseStaticHeaders="True" />
            <ClientEvents OnBatchEditOpening="onBatchEditOpening" />
        </ClientSettings>
    </telerik:RadGrid>

        function onBatchEditOpening(sender, args)
        {
            var row = args.get_row();
            var grid = $find("<%=grdFees.ClientID %>");
            var masterTable = grid.get_masterTableView();
            var rows = masterTable.get_dataItems();

            var isPaid = rows[row.sectionRowIndex].getDataKeyValue("Paid");

            if (isPaid === "True")
            {
                // prevent any editing on paid fees
                args.set_cancel("true");
                return;
            }

            var showCC = rows[row.sectionRowIndex].getDataKeyValue("ShowCurrencyCode");
            if (showCC === "False" && args.get_columnUniqueName() == "CurrencyCode")
            {
                // do not show Currency Code drop down menu
                args.set_cancel("true");
            }
   
        }

                                        <telerik:RadHtmlChart ID="RadHtmlChartInstall" runat="server" DataSourceID="odsChart1">
                                            <PlotArea>
                                                <Series>
                                                    <telerik:ColumnSeries DataFieldY="BookedHours" GroupName="WorkType" Stacked="true">
                                                        <LabelsAppearance Visible="false"></LabelsAppearance>
                                                    </telerik:ColumnSeries>
                                                </Series>
                                                <XAxis DataLabelsField="Day">
                                                    <TitleAppearance Text="Day">
                                                        <TextStyle Margin="5" Color="Black" Bold="true" />
                                                    </TitleAppearance>
                                                    <MajorGridLines Visible="false" />
                                                    <MinorGridLines Visible="false" />
                                                    <LabelsAppearance RotationAngle="270" Color="Black" />
                                                </XAxis>
                                                <YAxis>
                                                    <TitleAppearance Text="Booking Time">
                                                        <TextStyle Margin="5" Color="Black" Bold="true" />
                                                    </TitleAppearance>
                                                    <MinorGridLines Visible="false" />
                                                    <LabelsAppearance>
                                                        <TextStyle Margin="3" Color="Black" />
                                                    </LabelsAppearance>
                                                </YAxis>
                                            </PlotArea>
                                            <Legend>
                                                <Appearance Position="Bottom">
                                                    <TextStyle Color="Black" />
                                                </Appearance>
                                            </Legend>
                                        </telerik:RadHtmlChart>

dropDownTree.get_entries()._add