Controller.Json Method (Object, String)
Creates a JsonResult object that serializes the specified object to JavaScript Object Notation (JSON) format.
Namespace: System.Web.Mvc
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
Syntax
'Declaration
Protected Friend Function Json ( _
data As Object, _
contentType As String _
) As JsonResult
protected internal JsonResult Json(
Object data,
string contentType
)
protected public:
JsonResult^ Json(
Object^ data,
String^ contentType
)
Parameters
- data
Type: System.Object
The JavaScript object graph to serialize.
- contentType
Type: System.String
The content type (MIME type).
Return Value
Type: System.Web.Mvc.JsonResult
The JSON result object that serializes the specified object to JSON format.
Remarks
The data parameter must be serializable. The JavaScriptSerializer class is used to serialize the object. The result object that is prepared by this method is written to the response by the MVC framework when the object is executed.
Examples
The following example shows how to send JSON-formatted data to the browser.
public ActionResult TestJsonContent() {
return View("TestJson");
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult TestJsonContent(int numDays) {
List<double> list = new List<double>();
for (double d = 0; d < numDays; d++)
list.Add(d + .5);
return Json(list, "text/x-json");
}
Public Function TestJsonContent() As ActionResult
Return View("TestJson")
End Function
<AcceptVerbs(HttpVerbs.Post)> _
Public Function TestJsonContent(ByVal numDays As Integer) As ActionResult
Dim list As New List(Of Double)()
For d As Double = 0 To numDays - 1
list.Add(d + 0.5)
Next
Return Json(list, "text/x-json")
End Function