Controller.Json Method (Object)

Creates a JsonResult object that serializes the specified object to JavaScript Object Notation (JSON).

Namespace:  System.Web.Mvc
Assembly:  System.Web.Mvc (in System.Web.Mvc.dll)

'Declaration
Protected Friend Function Json ( _
	data As Object _
) As JsonResult
'Usage
Dim data As Object
Dim returnValue As JsonResult

returnValue = Me.Json(data)

Parameters

data
Type: System.Object
The JavaScript object graph to serialize.

Return Value

Type: System.Web.Mvc.JsonResult
The JSON result object that serializes the specified object to JSON format. The result object that is prepared by this method is written to the response by the ASP.NET MVC framework when the object is executed.

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 ASP.NET MVC framework when the object is executed.

The following example shows how to send JSON-formatted data to the browser.

Public Function TestJson() As ActionResult 
    Return View() 
End Function 

<AcceptVerbs(HttpVerbs.Post)> _ 
Public Function TestJson(ByVal numDays As Integer) As ActionResult 
    
    Dim ix As Integer() = New Integer(numDays - 1) {} 
    For i As Integer = 0 To numDays - 1 
        ix(i) = i * 2 
    Next 
    
    Return Json(ix) 
End Function
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