The solution works fine but I had some problems with it.
I was convinced that PropertyName
This information I found in an example given: FilterDescriptor - implements filtering property (field
. <- column1.FieldName?
For this reason, when an earlier attempt to use this approach has not got any results.
It turns out that the PropertyName
// not this
//but this one
I think PropertyName is a little confusing, at least for me.