public void write(string data)
{
Request.InputStream.Seek(0, SeekOrigin.Begin);
string jsonData = new StreamReader(Request.InputStream).ReadToEnd();
String subject = jsonData.Split('<')[0];
int subjectId = Int32.Parse(subject);
String xaml = jsonData.Substring(subject.Length);
_db.WS_Subjects.Find(subjectId).Xaml_Data = xaml;
_db.SaveChanges();
}
}