Using Html.EditorFor() for custom type in ASP.NET MVC

Question

I have a custom type Money for my ViewModel:

public class Money
{
    public Money(decimal value)
    {
        Value = value;
    }

    public decimal Value { get; private set; }

    public override string ToString()
    {
        return string.Format("{0:0.00}", Value);
    }
}

and I want to render a textbox in ASP.NET MVC via HTML.EditorFor(viewModel => viewModel.MyMoneyProperty) but it doesn't work. Is there a special interface which I have to implement in Money?

Best regards and thanks in advance,

Steffen

Darin Dimitrov · Accepted Answer · 2011-02-23 19:26:47Z

3

Try like this:

public class Money
{
    public Money(decimal value)
    {
        Value = value;
    }

    [DisplayFormat(DataFormatString = "{0:0.00}", ApplyFormatInEditMode = true)]
    public decimal Value { get; private set; }
}

and in your view:

<%= Html.EditorFor(x => x.SomePropertyOfTypeMoney.Value) %>

Or you could have a custom editor template for Money (~/Views/Shared/EditorTemplates/Money.ascx):

<%@ Control 
    Language="C#" 
    Inherits="System.Web.Mvc.ViewUserControl<AppName.Models.Money>" 
%>
<%= Html.TextBox("", Model.Value.ToString("0.00")) %>

and then in your view:

<%= Html.EditorFor(x => x.SomePropertyOfTypeMoney) %>

edited Feb 23, 2011 at 19:26

answered Feb 23, 2011 at 19:21

Darin Dimitrov

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3 Comments

forki23 Over a year ago

Thanks this helped me a lot. I added a Text property and did the converting stuff in the getter and setter. Then I bound it in the view.

forki23 Over a year ago

One problem still remains. Now all ids in the HTML code are suffixed with _text. How can I avoid this?

Darin Dimitrov Over a year ago

@forki23, this happens because you added a Text property and the textbox helper is using it. You might need a custom helper that modifies the ids but this is something I wouldn't do. Leave the helper generate whatever ids it like because this way they will be guaranteed to be unique. If you start messing with the ids there is a risk.

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