How can I see the version of .net framework which renders my aspx page on remote server?
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5 Answers
This outputs your version:
System.Environment.Version.ToString()
2 Comments
Stefan Steiger
No, that's the running .NET framework version, not the ASP.NET version.
WesleyE
@Quandary You did not read his actual question, which is to figure out which version of the .NET framework renders his page.
<%@ Page language="C#" %>
<% Response.Write(".NET Framework Version: " + Environment.Version.ToString()); %>
Comments
Comments
Enable Trace
Enabling Trace is another option view every details of rendered page, including .NET Version
Add Trace="true" in page directive
<%@ Page Trace="true" %>
Scroll down to bottom and you will see rendered .NET Version
1 Comment
HasanG
Thank you. The shortest code will do all needed: <%@ Trace="true" %>
Actually, you all got the CLR version (but not really either, you actually get a string that is hard-coded in mscorlib.dll).
For the actual ASP.NET version, as you see it on the YSOD error pages, see here (they are NOT the same):
using System;
namespace MyElmahReplacement
{
public class MyVersionInfo
{
[System.Runtime.InteropServices.DllImport("kernel32.dll", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
private static extern IntPtr GetModuleHandle(string strModuleName);
[System.Runtime.InteropServices.DllImport("kernel32.dll", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
private static extern int GetModuleFileName(IntPtr ptrHmodule, System.Text.StringBuilder strFileName, int szeSize);
private static string GetFileNameFromLoadedModule(string strModuleName)
{
IntPtr hModule = GetModuleHandle(strModuleName);
if (hModule == IntPtr.Zero)
{
return null;
}
System.Text.StringBuilder sb = new System.Text.StringBuilder(256);
if (GetModuleFileName(hModule, sb, 256) == 0)
{
return null;
}
string strRetVal = sb.ToString();
if (strRetVal != null && strRetVal.StartsWith("\\\\?\\"))
strRetVal = strRetVal.Substring(4);
sb.Length = 0;
sb = null;
return strRetVal;
}
private static string GetVersionFromFile(string strFilename)
{
string strRetVal = null;
try
{
System.Diagnostics.FileVersionInfo fviVersion = System.Diagnostics.FileVersionInfo.GetVersionInfo(strFilename);
strRetVal = string.Format(System.Globalization.CultureInfo.InvariantCulture, "{0}.{1}.{2}.{3}", new object[] {
fviVersion.FileMajorPart,
fviVersion.FileMinorPart,
fviVersion.FileBuildPart,
fviVersion.FilePrivatePart
});
}
catch
{
strRetVal = "";
}
return strRetVal;
}
private static string GetVersionOfLoadedModule(string strModuleName)
{
string strFileNameOfLoadedModule = GetFileNameFromLoadedModule(strModuleName);
if (strFileNameOfLoadedModule == null)
return null;
return GetVersionFromFile(strFileNameOfLoadedModule);
}
public static string SystemWebVersion
{
get
{
return GetVersionFromFile(typeof(System.Web.HttpRuntime).Module.FullyQualifiedName);
}
}
public static bool IsMono
{
get
{
return Type.GetType("Mono.Runtime") != null;
}
}
public static string MonoVersion
{
get
{
string strMonoVersion = "";
Type tMonoRuntime = Type.GetType("Mono.Runtime");
if (tMonoRuntime != null)
{
System.Reflection.MethodInfo displayName = tMonoRuntime.GetMethod("GetDisplayName", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static);
if (displayName != null)
strMonoVersion = (string)displayName.Invoke(null, null);
}
return strMonoVersion;
}
}
public static string DotNetFrameworkVersion
{
get
{
// values.Add(ExceptionPageTemplate.Template_RuntimeVersionInformationName, RuntimeHelpers.MonoVersion);
if (IsMono)
return MonoVersion;
// Return System.Environment.Version.ToString()
return GetVersionOfLoadedModule("mscorwks.dll");
}
}
public static string AspNetVersion
{
get
{
//values.Add(ExceptionPageTemplate.Template_AspNetVersionInformationName, Environment.Version.ToString());
if (IsMono)
return System.Environment.Version.ToString();
return GetVersionOfLoadedModule("webengine.dll");
}
}
public static bool IsVistaOrHigher
{
get
{
System.OperatingSystem osWindowsVersion = System.Environment.OSVersion;
return osWindowsVersion.Platform == System.PlatformID.Win32NT && osWindowsVersion.Version.Major >= 6;
}
}
public static void Test()
{
string ErrorPageInfo =
string.Format("Version Information: Microsoft .NET Framework Version: {0}; ASP.NET Version: {1}"
,DotNetFrameworkVersion
,AspNetVersion
);
Console.WriteLine(ErrorPageInfo);
}
} // End Class MyVersionInfo
} // End Namespace LegendenTest
