WPF Datagrid Performance

Question

I am working with the WPF Toolkit data grid and it is scrolling extremely slow at the moment. The grid has 84 columns and 805 rows. (Including 3 fixed columns and the heade

Answer 1

I had a case where my underlying object had property with setter only. The same property was accessible by implementing ITypedList in the collection and via TypeDescriptionProvider/ICustomTypeDescriptor on the individual objects. Either removing the property or adding a getter resolved the performance issues.