How To Return Web API Data [duplicate]

Question

I've created an ASP.NET Web API. It seems to be working because I can enter the path into a browser and it displays data from my database tables in what looks like XML format. When I write a jQuery or AngularJS call to GET the data in my MVC website I get errors. After much travail I have discovered that (i think) jQuery or AngularJS want JSON objects, but the Web API must be returning XML objects. I say this because I finally get a success when I call jQuery $.ajax with a dataType: 'xml'. In my Web API I am returning List of my data objects. What is the best or normal way to structure this so that the data matches correctly back to the client AJAX calls?

You should be able to specify an accept header with a value of "application/json" to specifically request JSON. See stackoverflow.com/questions/1145588/… — Tony Hinkle
– Tony Hinkle, Commented May 5, 2016 at 15:29

Kyle · Accepted Answer · 2016-05-05 15:23:23Z

0

C#

[WebMethod]
public string GetEmployeeData(int userId)
{
    Dictionary<string, object> returnData = Dictionary<string, object>();

    using(SqlConnection conn = new SqlConnection(connString))
    {
        //etc... etc...
    }

    var jsonSerializer = new JavaScriptSerializer();

    return jsonSerializer.Serialize(returnData);
}

Javascript:

$http.post('MyApp/GetEmployeeData', { userId: 1 }).then(function(response){
    $scope.myData = response.data;
}).catch(function(response) {
    //an error has occurred
});

answered May 5, 2016 at 15:23

Kyle

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