I've modelled a grid from your combobox demo here: http://demos.telerik.com/aspnet-ajax/combobox/examples/functionality/comboingrid/defaultvb.aspx?product=combobox and it's exhibiting the same unwanted tabbing behaviour. That is, tabbing off the combox seems to go to the grid header instead of the next field. How can I fix this?
<telerik:RadGrid ID="grdSalesLeads" GridLines="None" runat="server" AllowAutomaticDeletes="True" AllowAutomaticInserts="True" PageSize="30" AllowAutomaticUpdates="True" AllowPaging="True" AllowSorting="true" AllowFilteringByColumn="true" AutoGenerateColumns="False" DataSourceID="dsSalesLeads" CellSpacing="0" OnItemCommand="grdSalesLeads_ItemCommand" OnItemDataBound="OnItemDataBoundHandler"> <PagerStyle Mode="NextPrevAndNumeric" /><MasterTableView AutoGenerateColumns="False" CommandItemDisplay="Bottom" DataKeyNames="SalesID" DataSourceID="dsSalesLeads" EditMode="InPlace"><CommandItemSettings ShowExportToWordButton="true" ShowExportToExcelButton="true" ShowExportToCsvButton="true" /><RowIndicatorColumn Visible="True" FilterControlAltText="Filter RowIndicator column"><HeaderStyle Width="20px"></HeaderStyle></RowIndicatorColumn><ExpandCollapseColumn Visible="True" FilterControlAltText="Filter ExpandColumn column"><HeaderStyle Width="20px"></HeaderStyle></ExpandCollapseColumn> <Columns> <telerik:GridEditCommandColumn ButtonType="ImageButton" UniqueName="EditCommandColumn"> <ItemStyle CssClass="MyImageButton" /> </telerik:GridEditCommandColumn> <telerik:GridBoundColumn DataField="SalesID" DataType="System.Decimal" FilterControlAltText="Filter SalesID column" HeaderText="SalesID" ReadOnly="True" SortExpression="SalesID" UniqueName="SalesID" Visible="false"> </telerik:GridBoundColumn> <telerik:GridTemplateColumn UniqueName="ProspectName" HeaderText="ProspectName" SortExpression="ProspectName" > <ItemTemplate> <%#DataBinder.Eval(Container.DataItem, "ProspectName")%> </ItemTemplate> <EditItemTemplate> <telerik:RadComboBox runat="server" ID="cbProspects" EnableLoadOnDemand="True" DataTextField="ProspectName" OnItemsRequested="cbProspects_ItemsRequested" DataValueField="ProspectName" AutoPostBack="true" HighlightTemplatedItems="true" Height="140px" Width="220px" DropDownWidth="420px" OnSelectedIndexChanged="OnSelectedIndexChangedHandler"> <HeaderTemplate> <ul> <li class="col1">Prospect Name</li> <li class="col2">Contact Name</li> </ul> </HeaderTemplate> <ItemTemplate> <ul> <li class="col1"> <%# DataBinder.Eval(Container, "Text")%> </li> <li class="col2"> <%# DataBinder.Eval(Container, "Attributes['TargetContact']")%></li> </ul> </ItemTemplate> </telerik:RadComboBox> </EditItemTemplate> </telerik:GridTemplateColumn> <telerik:GridBoundColumn DataField="PhoneNumber" FilterControlAltText="Filter PhoneNumber column" HeaderText="Phone Number" SortExpression="PhoneNumber" UniqueName="PhoneNumber"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="Website" FilterControlAltText="Filter Website column" HeaderText="Website" SortExpression="Website" UniqueName="Website"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="TargetContact" FilterControlAltText="Filter TargetContact column" HeaderText="Target Contact" SortExpression="TargetContact" UniqueName="TargetContact"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="Title" FilterControlAltText="Filter Title column" HeaderText="Title" SortExpression="Title" UniqueName="Title"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="Industry" FilterControlAltText="Filter Industry column" HeaderText="Industry" SortExpression="Industry" UniqueName="Industry"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="SourcedBy" FilterControlAltText="Filter SourcedBy column" HeaderText="Sourced By" SortExpression="SourcedBy" UniqueName="SourcedBy" Visible="false"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="Address" FilterControlAltText="Filter Address column" HeaderText="Address" SortExpression="Address" UniqueName="Address"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="City" FilterControlAltText="Filter City column" HeaderText="City" SortExpression="City" UniqueName="City"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="PostalCode" FilterControlAltText="Filter PostalCode column" HeaderText="Postal Code" SortExpression="PostalCode" UniqueName="PostalCode"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="ListID" FilterControlAltText="Filter ListID column" HeaderText="List ID" SortExpression="ListID" UniqueName="ListID" Visible="false"> </telerik:GridBoundColumn> <telerik:GridBoundColumn DataField="DateAdded" DataType="System.DateTime" FilterControlAltText="Filter DateAdded column" HeaderText="Date Added" SortExpression="DateAdded" UniqueName="DateAdded" Visible="false"> </telerik:GridBoundColumn> <telerik:GridButtonColumn ConfirmText="Delete this lead?" ConfirmDialogType="RadWindow" ConfirmTitle="Delete" ButtonType="ImageButton" CommandName="Delete" Text="Delete" UniqueName="DeleteColumn"> <ItemStyle HorizontalAlign="Center" CssClass="MyImageButton" /> </telerik:GridButtonColumn> </Columns><EditFormSettings><EditColumn FilterControlAltText="Filter EditCommandColumn column"></EditColumn></EditFormSettings></MasterTableView><FilterMenu EnableImageSprites="False"></FilterMenu></telerik:RadGrid>