Unable to pass value in table viewcell

[Cose_Peter1]

The sort Icon is still not showing on the table header. I'm not sure if you named the column fields right. I might suggest you looking at this thread.

Perspective Table Column Naming

the ‘field’ value in the column object needs to be the same as one of the names of the columns in your underlying data set. since that example data set doesn’t have a column with the name ‘Dock Door Number’ the table doesn’t know which column in your dataset to pair with the column object with field=‘Dock Door Number’. trying setting the field property in each column object to ‘city’, ‘population’, and ‘country’