datagrid not updating input from textbox

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ASP.NET

This should be simple but for some reason I am having a fit getting this to work. I have a datagrid with some textbox(s) see sample:

<Columns>
                           <asp:BoundColumn DataField="ID" HeaderText="ID" ReadOnly="True" Visible="False"> </asp:BoundColumn>
                               <asp:EditCommandColumn HeaderText="Modify" CancelText="Cancel" UpdateText="Update" Visible="true"
                                   ButtonType="LinkButton" EditText="Edit Info">
                                   <ItemStyle Width="5%" HorizontalAlign="Center"></ItemStyle>
                               </asp:EditCommandColumn>
                               <asp:TemplateColumn HeaderText="Last Name" SortExpression="lname">
                                   <ItemStyle Width="150px" HorizontalAlign="Center"></ItemStyle>
                                   <ItemTemplate>
                                       <asp:Label ID="lblLName" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.LName") %>'></asp:Label>
                                   </ItemTemplate>
                                   <EditItemTemplate>
                                       <asp:TextBox ID="tbLNAME" Font-Size="10pt" runat="server"  Text='<%# DataBinder.Eval(Container, "DataItem.LNAME") %>'
                                           Width="150px" MaxLength="30"></asp:TextBox>
                                   </EditItemTemplate>
                                   <FooterTemplate>
                                       <asp:TextBox ID="txtAddLName" Font-Size="10pt" runat="server" Width="150px" MaxLength="30"></asp:TextBox>
                                   </FooterTemplate>
                               </asp:TemplateColumn>
                               <asp:TemplateColumn HeaderText="First Name">
                                   <ItemStyle Width="150px" HorizontalAlign="Center"></ItemStyle>
                                   <ItemTemplate>
                                       <asp:Label ID="lblFName" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.FName") %>'></asp:Label>
                                   </ItemTemplate>
                                   <EditItemTemplate>
                                       <asp:TextBox ID="tbFName" Font-Size="10pt" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.FNAME") %>'
                                           Width="150px" MaxLength="20"></asp:TextBox>
                                   </EditItemTemplate>
                                   <FooterTemplate>
                                       <asp:TextBox ID="txtAddFName" Font-Size="10pt" runat="server" Width="150px" MaxLength="20"></asp:TextBox>
                                   </FooterTemplate>
                               </asp:TemplateColumn>

But when I try to update the information it won't read the new input.

public void dgAccounts_Update(object sender, DataGridCommandEventArgs e)
       {
           //Read in the values of the updated row
           TextBox tbLName = (TextBox)(e.Item.FindControl("tbLNAME"));
           TextBox tbFName = (TextBox)(e.Item.FindControl("tbFNAME"));
           TextBox tbMI = (TextBox)(e.Item.FindControl("tbMI"));
           TextBox tbTitle = (TextBox)(e.Item.FindControl("tbTitle"));
       }

I have never seen this behavior before and don't know how to handle it. Would prefer not to have to create a gridview if it can be avoided as this is a fairly large datagrid.