How to change 'data-val-number' message validation in MVC while it is generated by @Html helper

Question

Assume this model:

Public Class Detail
    ...
    
    
         


        

Answer 1

I make this putting this on my view

@Html.DropDownListFor(m => m.BenefNamePos, Model.Options, new { onchange = "changePosition(this);", @class="form-control", data_val_number = "This is my custom message" })