void rgMembers_ItemCreated(object sender, GridItemEventArgs e)

{

    if (e.Item is GridEditableItem && e.Item.IsInEditMode)

    {    

        GridEditableItem edititem = (GridEditableItem)e.Item;

        / /validate Percentage

        GridTextBoxColumnEditor editorP = (GridTextBoxColumnEditor)edititem.EditManager.GetColumnEditor("Percentage");

        TableCell cellP = (TableCell)editorP.TextBoxControl.Parent;

        RangeValidator validatorP = new RangeValidator();

        validatorP.ID =

"rgvPercentage";

        validatorP.ControlToValidate = editorP.TextBoxControl.ID;  //<-- Value is NULL

        validatorP.Type =

ValidationDataType.Double;

        validatorP.Display =

ValidatorDisplay.Dynamic;

        validatorP.ErrorMessage =

"<br/>% must be between 0 and 100.";

        validatorP.MinimumValue =

"0";

        validatorP.MaximumValue =

"100";

        cellP.Controls.Add(validatorP);
    }

Why is the TextBoxControl.ID null ?
Seems to work with other type fields (i.e RadDatePicker.ID)

Thanks

protected void partnerGrid_ItemCreated(object sender, GridItemEventArgs e)
{
    if (e.Item is GridPagerItem)
    {
        RadComboBox pageSize = (RadComboBox)e.Item.FindControl("PageSizeComboBox");
        RadComboBoxItem rcbItem100 = pageSize.FindItemByText("100");
        RadComboBoxItem rcbItem200 = pageSize.FindItemByText("200");
        if (rcbItem100 == null)
        {
            pageSize.Items.Add(new RadComboBoxItem("100"));
            pageSize.FindItemByText("100").Attributes.Add("ownerTableViewId", partnerGrid.MasterTableView.ClientID);
        }
 
        if (rcbItem200 == null)
        {
            pageSize.Items.Add(new RadComboBoxItem("200"));
            pageSize.FindItemByText("200").Attributes.Add("ownerTableViewId", partnerGrid.MasterTableView.ClientID);
        }
 
        pageSize.SelectedValue = partnerGrid.PageSize.ToString();
    }
}


Inexplicably, ItemCreated is fired four times when the pagesize is changed.  I suppose two are for each pager (even though
it's set to top-only, the bottom pager is still there), but I can't fathom the last two.

Worse, on the 3rd and 4th invocations of ItemCreated, the combobox has remembered the standard three (10, 20, 50) plus whatever
was selected, but has lost the unselected one.  So, if the user goes directly to 200, when the grid re-renders
it shows 100 below 200 (as it was added but 200 was already there).

Secondly, on subsequent postbacks, the combobox will not accept a selectedValue of whatever the fifth item is now
and keeps defaulting to 10.  The grid's page size is fine, so the query gets the appropriate number of items,
we just show 10 in the pulldown instead of the number they actually chose.

The ajax is really simple:

<telerik:AjaxSetting AjaxControlID="partnerGrid">
    <UpdatedControls>
        <telerik:AjaxUpdatedControl ControlID="partnerGrid" LoadingPanelID="gridLoadingPanel" />
    </UpdatedControls>
</telerik:AjaxSetting>

Anytime we do something in the grid, show the loading panel while we're thinking about it.  It seems as if 
something's wrong in ajax land, but it can't be simpler than that.

<telerik:RadOrgChart ID="OrgChart" runat="server" DataFieldID="ID" DataFieldParentID="ParentID" Enabled="true" Width="100%">

<RenderedFields>  

<ItemFields>

<telerik:OrgChartRenderedField DataField="BusinessTitle" />

<telerik:OrgChartRenderedField DataField="EmployeeName" />

</ItemFields>

</RenderedFields>

</telerik:RadOrgChart>