ASP.net MVC - handling HTML data in Model

Question

I have a product management page that contains a textarea in which some html is input for the description property of the product. This HTML fragment is stored in a database and displayed later on the product page.

The view HTTP POST's the model data back to the controller.

However, the controller constantly triggers a message: "A potentially dangerous Request.Form value was detected from the client". The only property triggering this message is the property containing the HTML fragment. This occurs even with all the validation turned off. The model, controller and the httpruntime element in web.config are all set to disable validation.

This leads me to the conclusion that i'm probabaly not handling the HTML values of the model correctly.

Any ideas for handling model properties that contain HTML, in both MVC and the database? (please base answers on MVC Music store tutorial)

Have you tried AllowHtml attribute on your property in model class? — Vasea
– Vasea, Commented Aug 1, 2011 at 20:43
If you are using ASP.NET 4, refer to stackoverflow.com/questions/4361907/… — Tae-Sung Shin
– Tae-Sung Shin, Commented Aug 1, 2011 at 20:54
Thanks both of you. Had all of that done. However, had <httpRuntime requestValidationMode="2.0"/> under the new to 4.0 <runtime> element, rather than under <system.web>. I've no idea what feat of logic lead me to do that. But its all working now. — Roberto Bonini
– Roberto Bonini, Commented Aug 1, 2011 at 20:58

Community · Accepted Answer · 2017-05-23 12:26:52Z

3

If you are using the latest version then you need to do some less than obvious magic to actually get validation turned off.

edited May 23, 2017 at 12:26

CommunityBot

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answered Aug 1, 2011 at 20:44

alun

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1 Comment

Roberto Bonini Over a year ago

Had <httpRuntime requestValidationMode="2.0"/> under the new to 4.0 <runtime> element. Moved it next to the <compiliation> element like the link and it all works now. Thanks :)

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