problem running code in the article Late binding with Reflection by Sam Haider

Question

the following is the code snippet and throws the exception: "object reference not set to an instance of and object" //--------code snippet--------- MethodInfo mi; Object result = null; object[] args = new object[]{"ABC123"}; try { Assembly assemblyInstance = Assembly.LoadFrom(@"C:\Program Files\Microsoft Visual Studio .NET 2003\CompactFrameworkSDK\v1.0.5000\Windows CE\System.Data.dll"); Type[] types = assemblyInstance.GetTypes(); foreach (Type t in types) { mi = t.GetMethod("Constraint"); if (mi!=null) { string typeName = t.FullName; object lateBoundObj = assemblyInstance.CreateInstance(typeName); result = t.InvokeMember(typeName,BindingFlags.Public | BindingFlags.InvokeMethod | BindingFlags.Instance, null, lateBoundObj, args); break; } } string name = result.ToString(); MessageBox.Show("Name is :",name); } catch(Exception ex) { MessageBox.Show("Error"); MessageBox.Show(ex.Message); } //-------------------------------------------