Print Version Number in ASP.NET MVC 4 app

Question

I have an ASP.NET MVC 4 application. Currently, I am setting the version of the application in the project properties under the \"Application\" tab. From here, I click the \

Answer 1

In case you are publishing your application on a production server, I would recommend using something like

@String.Format(
    "{0:ffffdd, MMMM d, yyyy HH:mm:ss}", 
    File.GetLastWriteTime(ViewContext.Controller.GetType().Assembly.Location))

for retrieving the date.

This will print the actual publish date since File.GetCreationTime() will give you the date the actual assembly dll was first copied on the server.

Answer 2

Your assembly version may be set using the AssemblyFileVersionAttribute, which must be accessed specifically.

AssemblyFileVersionAttribute attr = typeof(MyController).Assembly.GetCustomAttributes(typeof(AssemblyFileVersionAttribute), true).OfType<AssemblyFileVersionAttribute>().FirstOrDefault();

if (attr != null)
{
    return attr.Version;
}

The MvcDiagnostics Nuget package makes this simple.

Answer 3

This prints the current version number as outlined in your AssemblyInfo.cs file for printing in an ASP.NET MVC view:

@(typeof(MyController).Assembly.GetName().Version.ToString())

Replacing MyController of course with your appropriate MVC controller name.

Answer 4

To print the version number of the assembly in which was defined the controller that rendered this view:

@ViewContext.Controller.GetType().Assembly.GetName().Version

and for the assembly date:

@File.GetCreationTime(ViewContext.Controller.GetType().Assembly.Location)

Answer 5

I usually make HtmlHelper extension for this purpose. Something like this:

public static class HtmlHelperExtensions
{
    public static IHtmlString AssemblyVersion(this HtmlHelper helper)
    {
        var version = Assembly.GetExecutingAssembly().GetName().Version.ToString();
        return MvcHtmlString.Create(version);
    }
}

And than inside view you just call:

@Html.AssemblyVersion()

Answer 6

If you need this in a Razor view, this works for me. It needed the System.IO.* prefix to work for me

<!--
Version @System.Diagnostics.FileVersionInfo.GetVersionInfo(typeof(YourNamespace.Program).Assembly.Location).ProductVersion
Last deployed on @System.IO.File.GetCreationTime(typeof(YourNamespace.Program).Assembly.Location)
-->

Outputs the following:

<!--
Version 1.0.0
Last deployed on 04/19/2019 1:36:24 PM
-->