تشخیص مرورگر مورد استفاده

var isChromium = window.chrome,
    winNav = window.navigator,
    vendorName = winNav.vendor,
    isOpera = winNav.userAgent.indexOf("OPR") > -1,
    isIEedge = winNav.userAgent.indexOf("Edge") > -1,
    isIOSChrome = winNav.userAgent.match("CriOS");

if(isIOSChrome){
   console.log('is Google Chrome on IOS');
   alert('is Google Chrome on IOS');
} else if(isChromium !== null && isChromium !== undefined && vendorName === "Google Inc." && isOpera == false && isIEedge == false) {
  console.log('is Google Chrome');
  alert('is Google Chrome');
} else { 
   console.log('not Google Chrome');
   alert('not Google Chrome'); 
}

System.Web.HttpBrowserCapabilities browser = Request.Browser;