ASP.NET C# GridView EditTemplate

I am using Template Field in my GridView, there are ItemTemplate and EditTemplate in it.

<asp:TemplateField HeaderText="YM1 Actual">
                    <ItemTemplate>
                        <asp:Label ID="lblProcessActualSelYM1" runat="server" Text='<%# Eval("PROCESS_ACTUAL_SEL_YM1") %>'></asp:Label>
                    </ItemTemplate>

                    <EditItemTemplate>
                        <asp:DropDownList ID="ddlProcessActualSelYM1" runat="server" Text='<%# Bind("PROCESS_ACTUAL_SEL_YM1") %>' CssClass="selDropDownList"></asp:DropDownList>
                    </EditItemTemplate>
                </asp:TemplateField>

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However, under certain condition, say, if I have a status field store in my database, and if its value is set to 2, then I want to disable that EditTemplate, so that when user click the Edit button, it will only show the ItemTemplate.

In other words, it should be just work like the following code
 

<asp:TemplateField HeaderText="YM1 Actual">

  <ItemTemplate>
    <asp:Label ID="lblProcessActualSelYM1" runat="server" Text='<%# Eval("PROCESS_ACTUAL_SEL_YM1") %>'></asp:Label>
  </ItemTemplate>

</asp:TemplateField>

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