Converting DateTime objects into JSON format for use in AJAX calls

When utilizing my AJAX method, it returns a view model that is serialized as a data structure using 

JavaScriptSerializer().Serialize()
. Among this data are several nullable DateTime? properties.

I recently discovered that these dates appear in JavaScript as strings in the format "/Date(1480551007625)/". With some investigation, I found out how to convert this into a JavaScript date.

The dilemma arises when attempting to post back the data to my AJAX methods, resulting in the error message:

/Date(1480551007625)/ is not a valid value for DateTime.

This error persists even when I have made no changes to that value within the view model! Essentially, I am simply posting back the same unaltered view-model object.

How can I convert the DateTime properties within my view mode on the client side so that they may be successfully posted back to the server and converted back to DateTime properties?

javascriptc#asp.netajaxwebforms

Answer №1

In order to properly handle the data, it appears that you may need to execute a command similar to:

serializer.Deserialize<DateTime>("/Date(1480551007625)/");

If you omit the <DateTime>, the Deserialize function is likely to return a string instead of a DateTime object. Converting a string in this specific format to a DateTime object may not yield the desired results.

Answer №2

It was quite unexpected, but it turned out to be a lot more hassle than I had anticipated. To simplify things, I decided to convert the date fields in my view model into strings and store them in the format "2016|12|1".

And just like that, the issue was resolved.

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