s-8_1_2_1.cs

protected void Application_BeginRequest(object sender, EventArgs e)
{
  HttpContext.Current.Response.AddHeader("Access-Control-Allow-Origin", "http://localhost:53738");
  if (HttpContext.Current.Request.HttpMethod != "OPTIONS") return;
  HttpContext.Current.Response.AddHeader("Access-Control-Allow-Methods", "POST, PUT, DELETE");
  HttpContext.Current.Response.AddHeader("Access-Control-Allow-Headers", "Content-Type, Accept");
  HttpContext.Current.Response.AddHeader("Access-Control-Max-Age", "1728000");
  HttpContext.Current.Response.End();
}