Hi
I have just attempted to create a small helper with access to the
current IEngineContext. So, I inherited AbstractHelper gave it one
constructor:
public QuerystringHelper(IEngineContext engineContext) :
base(engineContext) {...}
That results in [MissingMethodException: No parameterless constructor
defined for this object.] thrown in DefaultHelperFactory. "Why is
that?" I thought.
So I looked into the factory and it turns out that
ConstructorInfo constructorInfo =
helperType.GetConstructor(BindingFlags.Public, null, new Type[]
{typeof(IEngineContext)}, null);
returns null and thus DefaultHelperFactory falls back to invoking the
parameterless constructor which I don't have (and I don't want it).
This whole thing got me pretty confused. Why isn't GetConstructor
actually getting the right method? The same thing happens to the built-
in helpers when I run the GetConstructor method. On the other hand
running GetConstructor(new Type[] {typeof(IEngineContext)}) does work
as expected.
Can anyone tell me what is going on?
Regards
Tomasz
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