Finding which version of .NET framework is used in an Assembly..
using System.Reflection;Assembly ambly = System.Reflection.Assembly.ReflectionOnlyLoadFrom("G:\\AjaxControlToolkit.dll");Response.Write(ambly.ImageRuntimeVersion);
using System.Reflection;
Assembly ambly = System.Reflection.Assembly.ReflectionOnlyLoadFrom("G:\\AjaxControlToolkit.dll");Response.Write(ambly.ImageRuntimeVersion);