ASP.NET Web Method that accepts a List is failing with “Web Service method name is not valid.”

Question

I want to create a web method that accepts a List of custom objects (passed in via jQuery/JSON).

When I run the website locally everything seems to work. jQuery an

Answer 1

You may want to check your webServices/protocols element in the system.web section and ensure that HttpPost is added. Typically, local post is enabled by default as development mode but not for remote, which is what it will be when the service is deployed on the server...

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I go into more detail here