This is where reflection comes in handy. The following code snippet shows you how to get the name of executing assembly.

string assemblyName;
assemblyName = System.Reflection.Assembly.GetExecutingAssembly().FullName;
Console.WriteLine(assemblyName);

Output for the above code returns the fully qualified name as shown below

To just get the Assembly name we can use this snippet.

string assemblyName;
assemblyName = System.Reflection.Assembly.GetExecutingAssembly().GetName().Name;
Console.WriteLine(assemblyName);

Here is the output.