Format Number, Date, String Pada DevExpress

DateEdit1.Properties.DisplayFormat.FormatType = FormatType.DateTime
DateEdit1.Properties.DisplayFormat.FormatString = "MMMM/yyyy"
TextEdit1.Properties.DisplayFormat.FormatType = FormatType.Numeric
TextEdit1.Properties.DisplayFormat.FormatString = "c2"

Menghapus Grid Pada Devexpress

GridView1.Columns.Clear()