using System;

using System.Globalization;

using System.Web.Mvc;

​

public class IntModelBinder : IModelBinder

{

    #region Implementation of IModelBinder

​

    public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) 

    {

        ValueProviderResult valueResult = bindingContext.ValueProvider.GetValue(bindingContext.ModelName);

        ModelState modelState = new ModelState { Value = valueResult };

        bindingContext.ModelState[bindingContext.ModelName] = modelState;

        object actualValue = null;

        try 

        {

            actualValue = Int32.Parse(valueResult.AttemptedValue, NumberStyles.Number, CultureInfo.InvariantCulture);

        }

        catch (FormatException e) 

        {

            modelState.Errors.Add(e);

        }

​

        bindingContext.ModelState.Add(bindingContext.ModelName, modelState);

        return actualValue;

    }

​

    #endregion

}

​

//In Application_Start()

//ModelBinders.Binders.Add(typeof(int), new IntModelBinder());

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("And add in Application_Start()");

        Console.WriteLine("ModelBinders.Binders.Add(typeof(int), new IntModelBinder())");

    }

}