DataGridView Object Databinding Issue “Index -1 does not have a value”

Question

I am using a set of DataGridViews (dgv) to display a class\'s members via properties. I use the dgv so that the user can edit the value of the member right in the view (so

Answer 1

I also know it's old, but I struggled with this, and the best solution I found is using BindList instead of a regular list.