get_insertItem()

Property which retrieves the HTML element of the insert item opened inside the grid table view. Can be used to accessthe inner controls.

ASP.NET

<telerik:RadGrid RenderMode="Lightweight" ID="RadGrid1" runat="server" AllowPaging="True" CellSpacing="0"
    GridLines="None" Width="1200px" OnNeedDataSource="RadGrid1_NeedDataSource"
    AutoGenerateEditColumn="true" AllowMultiRowEdit="true">
    <ClientSettings>
        <ClientEvents OnGridCreated="gridCreated" />
    </ClientSettings>
    <MasterTableView AutoGenerateColumns="False" DataKeyNames="OrderID" EditMode="InPlace"
        CommandItemDisplay="Top">
        <Columns>
            <telerik:GridBoundColumn DataField="OrderID" DataType="System.Int32"
                FilterControlAltText="Filter OrderID column" HeaderText="OrderID"
                ReadOnly="True" SortExpression="OrderID" UniqueName="OrderID">
            </telerik:GridBoundColumn>
            <telerik:GridDateTimeColumn DataField="OrderDate" DataType="System.DateTime"
                FilterControlAltText="Filter OrderDate column" HeaderText="OrderDate"
                SortExpression="OrderDate" UniqueName="OrderDate">
            </telerik:GridDateTimeColumn>
            <telerik:GridTemplateColumn UniqueName="Sharing" EditFormHeaderTextFormat="Sharing">
                <ItemTemplate>
                    <asp:Label ID="Label1" runat="server" Text="Test 1"></asp:Label>
                </ItemTemplate>
                <EditItemTemplate>
                    <telerik:RadComboBox RenderMode="Lightweight" ID="RadComboBoxSharing" runat="server" DataSource='<%# (new string[] { "Coordinated", "Test 1", "Test 2"}) %>'
                        OnClientSelectedIndexChanged='<%# string.Format("function (s,a){{selectedIndexChanged(s,a,{0},\"{1}\");}}",
                                          Container.ItemIndex,Container.OwnerTableView.ClientID) %>'>
                    </telerik:RadComboBox>
                </EditItemTemplate>
            </telerik:GridTemplateColumn>
            <telerik:GridNumericColumn DataField="Freight" DataType="System.Decimal"
                FilterControlAltText="Filter Freight column" HeaderText="Freight"
                SortExpression="Freight" UniqueName="Freight">
            </telerik:GridNumericColumn>
            <telerik:GridBoundColumn DataField="ShipName"
                FilterControlAltText="Filter ShipName column" HeaderText="ShipName"
                SortExpression="ShipName" UniqueName="ShipName">
            </telerik:GridBoundColumn>
            <telerik:GridTemplateColumn UniqueName="IndefiniteSharing" EditFormHeaderTextFormat="IndefiniteSharing">
                <ItemTemplate>
                    <asp:Label ID="Label2" runat="server" Text="Test 1"></asp:Label>
                </ItemTemplate>
                <EditItemTemplate>
                    <div style="width: 170px;">
                        <asp:TextBox ID="TextBoxIndefiniteSharing" runat="server"></asp:TextBox>
                    </div>
                </EditItemTemplate>
            </telerik:GridTemplateColumn>
            <telerik:GridTemplateColumn UniqueName="IndefiniteSharingRad" EditFormHeaderTextFormat="IndefiniteSharingRad">
                <ItemTemplate>
                    <asp:Label ID="Label3" runat="server" Text="Test 1"></asp:Label>
                </ItemTemplate>
                <EditItemTemplate>
                    <div style="width: 170px;">
                        <telerik:RadTextBox RenderMode="Lightweight" ID="RadTextBoxIndefiniteSharing" runat="server"></telerik:RadTextBox>
                    </div>
                </EditItemTemplate>
            </telerik:GridTemplateColumn>
            <telerik:GridBoundColumn DataField="ShipCountry"
                FilterControlAltText="Filter ShipCountry column" HeaderText="ShipCountry"
                SortExpression="ShipCountry" UniqueName="ShipCountry">
            </telerik:GridBoundColumn>
        </Columns>
    </MasterTableView>
</telerik:RadGrid>

JavaScript

function selectedIndexChanged(sender, args, index, tableViewID) {
    var tableView = $find(tableViewID);
    var editForm = index >= 0 ? tableView.get_dataItems()[index].get_element() :
        tableView.get_insertItem();

    hideIndefiniteSharing(editForm);
}
function gridCreated(sender, args) {
    var editItems = sender.get_masterTableView().get_editItems();
    for (var i = 0; i < editItems.length; i++) {
        hideIndefiniteSharing(editItems[i].get_element());
    }

    var insertItemForm = sender.get_masterTableView().get_insertItem();
    if (insertItemForm) {
        hideIndefiniteSharing(insertItemForm);
    }
}
function hideIndefiniteSharing(editForm) {
    var combo = $telerik.findControl(editForm, "RadComboBoxSharing");
    var condition = !(combo.get_selectedItem().get_value() == "Coordinated");

    var textBox = $telerik.findElement(editForm, "TextBoxIndefiniteSharing");
    textBox.style.display = condition ? "" : "none";

    var radTextBox = $telerik.findControl(editForm, "RadTextBoxIndefiniteSharing");
    radTextBox.set_visible(condition);
}