public async Task <JsonResult> CancelQuotation(int documentId)
{
var result = await quotationService.CancelQuotation(documentId, Convert.ToInt32(HttpContext.Session.GetString("User_Id")), HttpContext.Session.GetString("UserName"));
return(new JsonResult(result, new JsonSerializerSettings()
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore
}));
}