This Code :
Dim responseString As String = Encoding.UTF8.GetString(responseBytes)
Dosnt work on Dynamics GP2013
Full Code:
Dim postData As String = Json
Dim dataBytes As Byte() = Encoding.UTF8.GetBytes(postData)
client.Headers.Add(HttpRequestHeader.ContentType, "application/json")
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12
Dim responseBytes As Byte() = client.UploadData("">backend.jofotara.gov.jo/.../", "POST", dataBytes)
Dim responseString As String = Encoding.UTF8.GetString(responseBytes)