ASPxGridView - Provide a method that allows finding template controls inside EditFormLayoutProperties.Items.GridViewColumnLayoutItem.Template

ASPx
<EditFormLayoutProperties ColCount="3" AlignItemCaptions="true" AlignItemCaptionsInAllGroups="true" EncodeHtml="false" ShowItemCaptionColon="true">  
                    <Items>  
                        <dx:GridViewLayoutGroup Name="LayoutGroup1" ColSpan="1" ColCount="1" Caption="" ShowCaption="False" GroupBoxDecoration="None">  
                            <Items>  
                                <dx:GridViewColumnLayoutItem Name="CategoryName" ColumnName="CategoryName" ColSpan="1" Caption="Equipment #" Width="150px">  
                                    <Template>  
                                        <dx:ASPxTextBox ID="CategoryName" runat="server" ClientInstanceName="EquipmentNumberTextBox" Width="100%" >  
                                        </dx:ASPxTextBox>  
                                    </Template>  
                                </dx:GridViewColumnLayoutItem>  
                           </Items>  
                        </dx:GridViewLayoutGroup>  
                    </Items>  
                </EditFormLayoutProperties>  

Add a method to access controls like the "CategoryName"  text box.