DevExpress GridControl Row 단위로 선택되도록 설정

https://documentation.devexpress.com/WindowsForms/DevExpress.XtraGrid.Views.Grid.GridView.FocusRectStyle.property

위 사이트의 내용을 참조

// Make the grid read-only.
gridView1.OptionsBehavior.Editable = false;
// Prevent the focused cell from being highlighted.
gridView1.OptionsSelection.EnableAppearanceFocusedCell = false;
// Draw a dotted focus rectangle around the entire row.
gridView1.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFocus;

위 3가지 속성을 위와 같이 설정하면 ROW 단위로 선택 가능