ASP.NET MVC Adding Attribute "data-message" to Html.TextBoxFor

Question

Using MVC 4 I create a text box for a model property with the "data-message" attribute:

@Html.TextBoxFor(o => o.TradeOrder.Symbol, new {data-message="Required"})

However, I get the following error:

Invalid anonymous type member declarator. Anonymous type members must be declared with a member assignment, simple name or member access.

here is a link with more information stackoverflow.com/questions/2520487/… — Matt Bodily
– Matt Bodily, Commented Oct 25, 2013 at 17:44

Darin Dimitrov · Accepted Answer · 2013-10-25 17:43:51Z

85

Use _:

@Html.TextBoxFor(o => o.TradeOrder.Symbol, new {data_message="Required"})

The TextBoxFor helper will know what to do and replace it with - when generating the markup.

answered Oct 25, 2013 at 17:43

Darin Dimitrov

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2 Comments

Amir978 Over a year ago

Thanks @Darin and shame on MVC to not handling this little things!

Jason Butera Over a year ago

Although correct, one thing I found is that the case is not preserved. data_maxDate renders as data-maxdate. I haven't figured out how to fix this. I want to use data attributes to pass as properties off to a JQuery plugin so the case must match.

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