The parameter conversion from type 'System.String' to type 'T' failed because no type converter can convert between these types

Question

NOTE: All of the code here is paraphrased as an example, as I can\'t show real code.

I have a view model class that looks something like

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Answer 1

One of the common reason causing this error is using the some kind of reserve words such as "Action, Comment, Filter, etc.". So, changing the Action name "Filter" with another name i.e. "ApplyFilter" will probably solve the problem. Hope this helps...