public async Task <IActionResult> GetPdfViewInHtml <T>(string ViewInHtml, T model)
{
var html = await _engine.RenderHtmlToStringAsync(ViewInHtml, model);
var byteArray = GetPDF(html);
MemoryStream pdfStream = new MemoryStream();
pdfStream.Write(byteArray, 0, byteArray.Length);
pdfStream.Position = 0;
return(new FileStreamResult(pdfStream, "application/pdf"));
}