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Editorial Team
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Asked: 2026-05-23T04:35:57+00:00

i have just gone through knockoutjs and watched the video provided on the site

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i have just gone through knockoutjs and watched the video provided on the site. its quite interesting how we can cleanly arrange our js code using knockout. I have also gone through examples where it produces nested or master detail forms but these forms are always submitted through ajax. Is there a way i can post the nested form without ajax without breaking asp.net mvc’s default modelbinding. More specifically i want the behavior as in this code demo that i created a while ago. but now i want to do it using knockoutjs and without ajax

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  1. Editorial Team

    Take a look at the answer to this question: Submit json to MVC3 action

    It describes using the utility function ko.utils.postJson to submit part or all of your view model using a normal form post. It does require an attribute on the .NET side to properly deserialize it from a form post (as opposed to using AJAX with the content type set to JSON).

    Also, check out this thread for some ideas if you need to mix Knockout data with normal form fields: https://groups.google.com/d/topic/knockoutjs/eCQo4yzCSAc/discussion and this thread also describes registering a model binder for certain types, so you don’t need to use an attribute: https://groups.google.com/d/topic/knockoutjs/3FEpocpApA4/discussion

    So, your best bet is to look at calling ko.utils.postJson(url, ko.toJSON(viewModel))

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