Controller.Json Method (Object, String, Encoding)
Visual Studio 2010
Creates a JsonResult object that serializes the specified object to JavaScript Object Notation (JSON) format.
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
'Declaration Protected Friend Overridable Function Json ( _ data As Object, _ contentType As String, _ contentEncoding As Encoding _ ) As JsonResult
Parameters
- data
- Type: System.Object
The JavaScript object graph to serialize.
- contentType
- Type: System.String
The content type (MIME type).
- contentEncoding
- Type: System.Text.Encoding
The content encoding.
Return Value
Type: System.Web.Mvc.JsonResultThe JSON result object that serializes the specified object to JSON format.
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.
The following example shows how to send JSON-formatted data to the browser.
Private Function GetDateRangeStr(ByVal start As DateTime, ByVal endD As DateTime) As IEnumerable(Of String) While start <= endD start = start.AddDays(1) End While End Function Public Function TestJsonContentEnc() As ActionResult Return View("TestJson") End Function <AcceptVerbs(HttpVerbs.Post)> _ Public Function TestJsonContentEnc(ByVal numDays As Integer) As ActionResult Return Json(GetDateRangeStr(DateTime.Now, DateTime.Now.AddDays(numDays)), "text/x-json", System.Text.Encoding.UTF8) End Function
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