MVC :: Best Way To Share A Validation Key Or Element Name Between A View And Controller?

Nov 14, 2010

I am using a login user control inside the master page of an ASP.Net MVC site, the user control is not using a strongly typed model.

In the user control I have a text box and a validation message defined as:

<%= Html.TextBox("Username")%>
<%= Html.ValidationMessage("Username")%>

In my controller I handle any errors by adding an error to the model state

ModelState.AddModelError("Username", "Your Username is incorrect");

This all works well but I was wondering if there is a nice way to remove the magic "Username" strings without breaking the MVC pattern?

I guess if I was using a model for the control I could expose a constant that the view and the controller could use but I'm not sure how to do that with the masterpage.

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