(1,8): Error RZ2008: Attribute '@bind-foo' on tag helper element 'input' requires a value. Tag helper bound attributes of type 'System.Object' cannot be empty or contain only whitespace.
(1,18): Error RZ2008: Attribute '@bind-foo:param' on tag helper element 'input' requires a value. Tag helper bound attributes of type 'System.Object' cannot be empty or contain only whitespace.
