Add RadzenMenu to RadzenGrid

Hi,
I am trying to add RadzenMenu to RadzenGrid but the submenu is not visiable.
any idea please.

  <RadzenGrid AllowSorting="true" AllowFiltering="true" PageSize="4" ContainsText="Contains" AllowPaging="true" RowSelect="customer => OnRowSelect(customer)"  Data="@customer" TItem="Customers">
       <Columns>
           <RadzenGridColumn TItem="Customers" Context="data" Property="CustomerID" Title="CustomerID" Type="int">
               <Template>
                   @data.CustomerID
               </Template>
           </RadzenGridColumn>
           <RadzenGridColumn TItem="Customers" Context="data" Property="Full_Name" Title="Full Name" Type="string">
               <Template>
                   @data.Full_Name.ToString()
               </Template>
           </RadzenGridColumn>
           <RadzenGridColumn TItem="Customers" Context="data" Property="File_Number" Title="File Number" Type="int">
               <Template>
                   @data.File_Number.ToString()
               </Template>
           </RadzenGridColumn>
           <RadzenGridColumn TItem="Customers" Context="data" Property="Phone_Number" Title="Phone Number" Type="string">
               <Template>
                   @data.Phone_Number.ToString()
               </Template>
           </RadzenGridColumn>
           <RadzenGridColumn TItem="Customers" Context="data" Property="Start_Time" Title="Start Time" Type="string">
               <Template>
                   @data.Start_Time.ToString()
               </Template>
           </RadzenGridColumn>
           <RadzenGridColumn TItem="Customers" Context="data" Property="Technical_Name" Title="Technical Name" Type="string">
               <Template>
                   @data.Technical_Name.ToString()
               </Template>
           </RadzenGridColumn>
           <RadzenGridColumn TItem="Customers" Context="item" >
               <Template Context="item">
                   <RadzenMenu>
                       <RadzenMenuItem Text="General" Icon="home">
                           <RadzenMenuItem Text="Buttons" Path="buttons" Icon="account_circle"></RadzenMenuItem>
                           <RadzenMenuItem Text="Menu" Path="menu" Icon="line_weight"></RadzenMenuItem>
                           <RadzenMenuItem Text="FileInput" Path="fileinput" Icon="attach_file"></RadzenMenuItem>
                           <RadzenMenuItem Text="Dialog" Path="dialog" Icon="perm_media"></RadzenMenuItem>
                           <RadzenMenuItem Text="Notification" Path="notification" Icon="announcement"></RadzenMenuItem>
                       </RadzenMenuItem>
                       </RadzenMenu>
               </Template>

           </RadzenGridColumn>

           
</Columns>
</RadzenGrid>

Hi @Hdamis,

This is not supported at the moment - you can use SplitButton instead.