I was in hurry and later I fixed it by unblock the the dlls what downloaded. Now I am getting a different error. Please see the attached image. My aspx is like below.
<telerik:RadScriptManagerID="ScriptManager"runat="server"/> <telerik:RadAjaxLoadingPanelID="RadAjaxLoadingPanel1"runat="server"> </telerik:RadAjaxLoadingPanel> <telerik:RadGridID="SourceGrid"runat="server"ShowGroupPanel="false"AllowSorting="false"ShowFooter="true"AllowPaging="false"HeaderStyle-CssClass="tableHeading br"AutoGenerateColumns="false"GridLines="Both"EnableViewState="false"> <ClientSettings> <DataBindingLocation="Employee.asmx"SelectMethod="GetEmployees"> </DataBinding> <VirtualizationEnableVirtualization="true"InitiallyCachedItemsCount="2000"LoadingPanelID="RadAjaxLoadingPanel1"ItemsPerView="100"/> <ScrollingAllowScroll="true"UseStaticHeaders="true"></Scrolling> <ResizingAllowColumnResize="false"EnableRealTimeResize="true"/> <ClientEventsOnCommand="SourceGrid_Command"OnGridCreated="GridCreated"OnRowDataBound="SourceGrid_RowDataBound"/> </ClientSettings> <ExportSettings> <Excel/> </ExportSettings> <GroupingSettingsShowUnGroupButton="true"></GroupingSettings> <MasterTableViewShowGroupFooter="false"GridLines="Both"DataKeyNames=""GroupHeaderItemStyle-Font-Underline="true"> <CommandItemSettingsExportToPdfText="Export to PDF"></CommandItemSettings> <RowIndicatorColumnFilterControlAltText="Filter RowIndicator column"> </RowIndicatorColumn> <ExpandCollapseColumnVisible="True"FilterControlAltText="Filter ExpandColumn column"Created="True"> </ExpandCollapseColumn> <Columns> <%--Start Station Details--%> <telerik:GridBoundColumnUniqueName="EmpNumber"DataField="EmpNumber"HeaderText="EmpNumber"HeaderStyle-HorizontalAlign="Center"ItemStyle-Width="5%"HeaderStyle-Font-Bold="true"HeaderStyle-Font-Size="8"HeaderStyle-Font-Names="Arial"ItemStyle-Font-Size="8"ItemStyle-HorizontalAlign="Center"ItemStyle-VerticalAlign="Middle"FooterText=""Visible="true"> <HeaderStyleHorizontalAlign="Center"Font-Bold="True"Font-Names="Arial"Font-Size="8pt"></HeaderStyle> <ItemStyleHorizontalAlign="Center"VerticalAlign="Middle"Font-Size="8pt"Width="5%"></ItemStyle> </telerik:GridBoundColumn> <telerik:GridTemplateColumnUniqueName="Name"HeaderStyle-HorizontalAlign="Center"DataField="Name"ItemStyle-Width="5%"HeaderText="Name"HeaderStyle-Font-Bold="true"HeaderStyle-Font-Size="8"HeaderStyle-Font-Names="Arial"ItemStyle-Font-Size="8"ItemStyle-HorizontalAlign="Center"ItemStyle-VerticalAlign="Middle"FooterText=""> <ItemTemplate>