/C#/Check the request comes from which operating system used by user in asp net core

Check the request comes from which operating system used by user in asp net core

string device = getOSInfo();

public String getOSInfo()
{
    var ua = Request.UserAgent;

    if (ua.Contains("Android"))
        return string.Format("Android {0}", GetMobileVersion(ua, "Android"));

    if (ua.Contains("iPad"))
        return string.Format("iPad OS {0}", GetMobileVersion(ua, "OS"));

    if (ua.Contains("iPhone"))
        return string.Format("iPhone OS {0}", GetMobileVersion(ua, "OS"));

    if (ua.Contains("Linux") && ua.Contains("KFAPWI"))
        return "Kindle Fire";

    if (ua.Contains("RIM Tablet") || (ua.Contains("BB") && ua.Contains("Mobile")))
        return "Black Berry";

    if (ua.Contains("Windows Phone"))
        return string.Format("Windows Phone {0}", GetMobileVersion(ua, "Windows Phone"));

    if (ua.Contains("Mac OS"))
        return "Mac OS";

    if (ua.Contains("Windows NT 5.1") || ua.Contains("Windows NT 5.2"))
        return "Windows XP";

    if (ua.Contains("Windows NT 6.0"))
        return "Windows Vista";

    if (ua.Contains("Windows NT 6.1"))
        return "Windows 7";

    if (ua.Contains("Windows NT 6.2"))
        return "Windows 8";

    if (ua.Contains("Windows NT 6.3"))
        return "Windows 8.1";

    if (ua.Contains("Windows NT 10"))
        return "Windows 10";

    //fallback to basic platform:
    return (ua.Contains("Mobile") ? " Mobile " : "");
}
public String GetMobileVersion(string userAgent, string device)
{
    var temp = userAgent.Substring(userAgent.IndexOf(device) + device.Length).TrimStart();
    var version = string.Empty;

    foreach (var character in temp)
    {
        var validCharacter = false;
        int test = 0;

        if (Int32.TryParse(character.ToString(), out test))
        {
            version += character;
            validCharacter = true;
        }

        if (character == '.' || character == '_')
        {
            version += '.';
            validCharacter = true;
        }

        if (validCharacter == false)
            break;
    }

    return version;
}

Source: stackoverflow.com

Similar codes

3 votes145 views2 answers
Unity pause coroutine
C#Unity
-1 vote130 views1 answer
How get data from json in c#
C#
0 vote150 views1 answer
Mouselook script unity
C#Unity
71 votes185 views3 answers
How to loop through a list
C#
0 vote113 views1 answer
Add row count devepxress report
C#
0 vote76 views1 answer
Remove lines from textfile
C#
1 vote112 views1 answer
C# public static string
C#
-1 vote124 views1 answer
Substring c#
C#
4 votes136 views1 answer
Hyperx quadcast s uk
C#
-1 vote104 views1 answer
Populate combobox from array c#
C#