private void CreateButtonColumn()

        {

            DataTable dt = new DataTable();

            dt.Columns.Add("名字");

            dt.Columns.Add("状态");

            dt.Columns.Add("年龄");

            dt.Columns.Add("语文");

            dt.Columns.Add("数学");

            Random rd = new Random();

            for (int i = 0; i < 100; i++)

            {

                dt.Rows.Add("stu_" + i / 10, rd.Next(1, 3), rd.Next(10, 20), rd.Next(100), rd.Next(0, 100));

            }

            gridControl1.DataSource = dt;

            gridView1.PopulateColumns();

            //gridView1.OptionsBehavior.Editable = false;



            RepositoryItemButtonEdit riButtonEdit = new RepositoryItemButtonEdit();

            riButtonEdit.TextEditStyle = TextEditStyles.HideTextEditor;

            riButtonEdit.Buttons.Clear();



            EditorButton bt0 = new EditorButton();

            bt0.Kind = ButtonPredefines.Glyph;

            bt0.Caption = "删除";

            bt0.ToolTip = "删除当前行";

            bt0.Image = global::NPOIExeclHelper.Properties.Resources.blog__2_;

            bt0.ImageLocation = DevExpress.XtraEditors.ImageLocation.MiddleLeft;

            bt0.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near;

            riButtonEdit.Buttons.Add(bt0);



            EditorButton bt1 = new EditorButton();

            bt1.Kind = ButtonPredefines.Glyph;

            bt1.Caption = "编辑";

            bt1.ToolTip = "编辑当前行";

            bt1.Image = global::NPOIExeclHelper.Properties.Resources.blog_arrow;

            bt1.ImageLocation = DevExpress.XtraEditors.ImageLocation.MiddleLeft;

            bt1.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near;

            riButtonEdit.Buttons.Add(bt1);



            EditorButton bt2 = new EditorButton();

            bt2.Kind = ButtonPredefines.Glyph;

            bt2.Caption = "添加";

            bt2.ToolTip = "添加当前行";

            bt2.Image = global::NPOIExeclHelper.Properties.Resources.blog_plus;

            bt2.ImageLocation = DevExpress.XtraEditors.ImageLocation.MiddleLeft;

            bt2.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Near;

            riButtonEdit.Buttons.Add(bt2);



            riButtonEdit.ButtonClick += new ButtonPressedEventHandler(riButtonEdit_ButtonClick);



            GridColumn col = new GridColumn();

            col.Caption = "操作";

            col.FieldName = "operate";

            //col.VisibleIndex = 0;

            col.Width = 100;

            col.Visible = true;

            col.UnboundType = DevExpress.Data.UnboundColumnType.String;

            col.ColumnEdit = riButtonEdit;

            gridControl1.RepositoryItems.Add(riButtonEdit);

            gridView1.Columns.Add(col);



            foreach (GridColumn c in gridView1.Columns)

            {

                c.OptionsColumn.AllowEdit = c.ColumnEdit is RepositoryItemButtonEdit;

            }



           // gridView1.BestFitColumns();

        }