Select and Select All Rows in RadGrid control + Checkbox

Select and Select All rows in the RadGrid control can be done by using below javascirpt code. Check and Uncheck Checkboxes in RadGrid

<telerik:GridTemplateColumn UniqueName="Select" HeaderStyle-Width="5%" Visible="false"> <HeaderTemplate> <asp:CheckBox ID="checkAll" runat="server" onclick="CheckAll(this)" /> </HeaderTemplate> <ItemTemplate> <asp:CheckBox ID="cboxSelect" runat="server" />                                                                    </ItemTemplate>                                                                 </telerik:GridTemplateColumn>

function SelectAll(obj) {                 var grid = document.getElementById("<%= RadGrid.ClientID %>");                 var inputs = grid.getElementsByTagName("input");                 for (var i = 0; i < inputs.length; i++) {                     if (inputs[i].type == "checkbox") {                         inputs[i].checked = obj.checked;                     }                 }             }             function CheckAll(id) {                 var masterTable = $find("<%= RadGrid.ClientID %>").get_masterTableView();                 var row = masterTable.get_dataItems();                 if (id.checked == true) {                     for (var i = 0; i < row.length; i++) {                         masterTable.get_dataItems()[i].findElement("cboxSelect").checked = true; // for checking the checkboxes                     }                 }                 else {                     for (var i = 0; i < row.length; i++) {                         masterTable.get_dataItems()[i].findElement("cboxSelect").checked = false; // for unchecking the checkboxes                     }                 }             }