Get the current version of the Assembly

The following code snippet return the Version number of currently executing assembly –

static string GetCurrentAssemblyVersionNumber() 
            Assembly currentAssembly = Assembly.GetExecutingAssembly(); 

            return currentAssembly.FullName.Split( new Char [] {','} )[1]; 

Get Currently Executing Assembly’s Directory

Sometimes it becomes necessary to find out the directory where the current executing assembly is running. Among several ways to do the task  , the following code–snippet can be employed  to return the absolute location of the loaded file that contains the manifest:

using System.Reflection;
string currentAssemblyDirectoryName = Path.GetDirectoryName(
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Beware that Assembly.Location property returns the location of the assembly file after it is shadow-copied. In addition , if it is dynamically loaded using Load method, it returns empty string .

As stated in the comments below, if you are interested in retrieving the location of the assembly before it is shadow-copied or loaded,  use Assembly.CodeBase property instead. Please note that, it is the location specified originally while stating the AssemblyName.