Why Does Type.GetType Return Null in C#?

Troubleshooting Null Returns from C#'s Type.GetType()

Using Type.GetType("namespace.a.b.ClassName") in C# and getting a null result can be confusing. This article explains why this happens and offers a solution.

The Type.GetType() method uses a string representing the fully qualified type name. This usually includes the namespace and class name. However, if the type isn't in mscorlib.dll or the currently executing assembly, the fully qualified name alone isn't enough.

The key is to use an assembly-qualified name. This includes the namespace, class name, and the assembly where the type is defined. For example:

Type.GetType("namespace.qualified.TypeName, AssemblyName")

Specifying the assembly name removes ambiguity. This ensures the correct type is retrieved, regardless of its location.

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