Keeping Property Values of User Control When Loaded Dynamically

Hi to all. Please see the code pieces. My question is in the end.
MyControl.ascx:
<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="MyControl.ascx.cs"
    Inherits="MyControl" ViewStateMode="Enabled" %>
  
<table>
    <tr>
        <td>
            <asp:TextBox ID="textBoxName" runat="server"></asp:TextBox>
        </td>
    </tr>    
</table>
 
MyControl.ascs.cs:
public partial class MyControl : System.Web.UI.UserControl     {        & ...