Is it Possible to create Non-editable ASP.NET MVC Layout?

I need to know whether it is possible to create a non-editable layout in a asp.net mvc project ? My idea is to develop a project by creating a user defined layout and i will provide it to my developers,here my aim is they couldn't able to update or modify the layout.I wanna know whether there is any way to create like dll or something like that.

Create a class library and a static class and it contains an extension method to receive htmlhelper and css class.

public static class LoginStatusControl
{
public static MvcHtmlString LoginStatus(this HtmlHelper htmlHelper, string CssClass)
{
StringBuilder sb = new StringBuilder();
sb.Append(" + CssClass + "'>");
if (System.Web.HttpContext.Current.User.Identity.IsAuthenticated)
{
sb.Append("Hello ");
sb.Append(System.Web.HttpContext.Current.User.Identity.Name );
sb.Append("!");
}
else
{
sb.Append("Welcome");
}
sb.Append("

");

Manas Mohapatra thanks for your answer. But it doesn't exactly meet my need. i have created a .css file inside that i have set a properties for text box, button and so on. i'm using that control in layout as well as in .cshtml page. when i give some task to my team to modify in view page they are changing in layout and .css file. so it affect other design pages. Can you help me ofcontrolling this issue.