如何使用jQuery Form Plugin向我的表单发送额外数据？

In my .NET MVC4/razor app I have a form, and I want to include other data that is not found in the form as part of the request to my controller method. However, it doesn't appear to be adding this extra data. I'm running into a model binding error: The parameters dictionary contains a null entry for parameter 'B' of non-nullable type 'System.Boolean'.. basically, it's not adding the extra data to the request. Any clue what I'm doing wrong?In my .NET MVC4/razor app I have a form, and I