not returning JSON response when the datatype of property is DateTime ?

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JSON

REST

In the REST services I have created I have set a date field to DateTime datatype like this :
[DataMember]
public DateTime Date{get;set;}

Now when returning JSON response I cant view it.I am getting error "The webpage is not available" error in chrome..This is only because of DateTime isssues. But when I see for XML response it is returning perfectly..In the XML response I can c the Date as
<date>0001-01-01T00:00:00 as response when the date returned is null value.

My question is I want JSON response when the datatype is DateTime only.But I don't want to change that datatype to string which when changed returns JSON response perfectly.. At any cost I should not change DateTime datatype ...How to get my output in JSON ?

Any help would be greatly appreciated.....

Thanks in advance....