gridView kolon format ve gizleme

        gridView1.Columns["ISEGIRISTARIHI"].DisplayFormat.FormatType = DevExpress.Utils.FormatType.DateTime;
        gridView1.Columns["ISEGIRISTARIHI"].DisplayFormat.FormatString = "MM/dd/yyyy";
        gridView1.Columns["FIRMAID"].Visible = false;
        gridView1.Columns["DEPID"].Visible = false;
        gridView1.Columns["STATUID"].Visible = false;
        gridView1.Columns["AKTIF"].Visible = false;
        gridView1.Columns["YONETICI"].Visible = false;