C# Bind DataTable to Existing DataGridView Column Definitions

Question

I\'ve been struggling with a NullReferenceException and hope someone here will be able to point me in the right direction. I\'m trying to create and populate a DataTable and the

Answer 1

If the error occurs inside UpdateResults then it sounds like dataGridView is null.

private void UpdateResults(DataTable entries)
{
    dataGridView.DataSource = entries; // when is dataGridView set?
}