public MainScreen() { InitializeComponent(); PartsGridView.DataSource = List.AllParts; PartsGridView.DefaultCellStyle.SelectionBackColor = PartsGridView.DefaultCellStyle.BackColor; PartsGridView.DefaultCellStyle.SelectionForeColor = PartsGridView.DefaultCellStyle.ForeColor; PartsGridView.AutoGenerateColumns = false; PartsGridView.ColumnHeadersDefaultCellStyle.Font = new Font("Microsoft Sans Serif", 10, FontStyle.Regular); PartsGridView.DefaultCellStyle.Font = new Font("Microsoft Sans Serif", 10, FontStyle.Regular); PartsGridView.RowHeadersVisible = false; PartsGridView.ClearSelection(); ProductsGridView.DataSource = List.Products; ProductsGridView.DefaultCellStyle.SelectionBackColor = ProductsGridView.DefaultCellStyle.BackColor; ProductsGridView.DefaultCellStyle.SelectionForeColor = ProductsGridView.DefaultCellStyle.ForeColor; ProductsGridView.ColumnHeadersDefaultCellStyle.Font = new Font("Microsoft Sans Serif", 10, FontStyle.Regular); ProductsGridView.DefaultCellStyle.Font = new Font("Microsoft Sans Serif", 10, FontStyle.Regular); ProductsGridView.RowHeadersVisible = false; }