DevExpress控件 GridControl 单元格编辑 回车

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using CYSoft.UI.Common;using CYSoft.Common;using CYSoft.TS.EntityLib;using CYSoft.IC.Common.A0;//Dev 引用using DevExpress.XtraEditors;using DevExpress.XtraEditors.Repository;namespace CYSoft.TS.UI.BookInfo{    public partial class FrmCellEdit : TS.UI.Common.FrmEditBase    {        //接口        public IC.BookInfo bb = null;        public FrmCellEdit()        {            InitializeComponent();            bb = new IC.BookInfo();            InitCtl();        }        /// <summary>        /// 初始化        /// </summary>        public void InitCtl() {                       //克隆表结构 绑定到grid            DataTable dt = b.BookGetByCode("").Tables[0].Clone();            grid.DataSource = dt;            //自定义方法 初始化 gv            CYSoft.UI.Common.Function.InitGrid(this.gv,                new string[] {"编码","名称" },                new string[] {"BookNo","BookName" },                new int[] {100,100 });            //编辑列  设置            RepositoryItemTextEdit rite = new RepositoryItemTextEdit();            //keydown事件            rite.KeyDown+=new KeyEventHandler(rite_KeyDown);            gv.Columns["BookNo"].ColumnEdit = rite;            gv.CellValueChanged += new DevExpress.XtraGrid.Views.Base.CellValueChangedEventHandler(gv_CellValueChanged);            gv.InitNewRow += new DevExpress.XtraGrid.Views.Grid.InitNewRowEventHandler(gv_InitNewRow);        }        /// <summary>        /// 单元格回车        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        void rite_KeyDown(object sender, KeyEventArgs e) {            //用户点击 回车            if (e.KeyCode == Keys.Enter) {                TextEdit te = sender as TextEdit;                //值为空时返回                if (te == null || string.IsNullOrEmpty(te.Text.Trim())) {                    return;                }                                              //自定义方法，根据用户输入内容从数据库获取数据                DataSet ds = bb.BookGetByCode(te.Text.Trim());                //有数据记录                if (ds.Tables[0].Rows.Count > 0) {                    //初始化DataRow  值为 第一行数据                    DataRow dtBook = ds.Tables[0].Rows[0];                    //初始化DataRow  值为                    DataRow dr = gv.GetDataRow(gv.FocusedRowHandle);                    foreach (DataColumn dc in dr.Table.Columns) {                        dr[dc.ColumnName] = dtBook[dc.ColumnName].ToString();                    }                    //终止行编辑                    dr.EndEdit();                    //调用方法                    SetCellEdit(gv.FocusedRowHandle);                    //自定义类 对gv的一些设置                    CYSoft.TS.UI.Common.TSFunc.SetBestFitColumns(gv);                }                        }                }        /// <summary>        /// 单元格处理        /// </summary>        /// <param name="row"></param>        private void SetCellEdit(int row)        {            Application.DoEvents();            try            {                gv.BeginInit();                grid.Focus();                gv.Focus();                gv.SelectCell(row, gv.Columns["BookNo"]);                gv.FocusedColumn = gv.Columns["BookNo"];                gv.ShowEditor();            }            finally            {                gv.EndInit();            }        }        /// <summary>        /// 单元格 焦点离开 触发该事件         /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        void gv_CellValueChanged(object sender, DevExpress.XtraGrid.Views.Base.CellValueChangedEventArgs e)        {            if (e.Column.FieldName == "BookNo")            {                if (e.Value == null)                    return;            }        }        void gv_InitNewRow(object sender, DevExpress.XtraGrid.Views.Grid.InitNewRowEventArgs e)        {            SetCellEdit(e.RowHandle);        }        /// <summary>        /// 增加新行        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void btnNewLine_Click(object sender, EventArgs e)        {            DataTable dt = grid.DataSource as DataTable;            if (dt == null)                return;            gv.AddNewRow();        }    }}