Infragistics第三方控件導出數據到excel

Infragistics自帶導出控件UltraGridExcelExporter，用此控件可以輕鬆的將UltraWinGrid中的數據導出到excel文件中，而且格式可以自定。

        /// <summary>
        /// 導出
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnExp_Click(object sender, EventArgs e)
        {
            if (this.grdCKTZ == null || this.grdCKTZ.Rows.Count == 0)
            {
                this.label2.Text =　"請先查詢後導出";
                return;
            }
            SaveFileDialog saveFileDialog = new SaveFileDialog();
            saveFileDialog.Filter = "Execl files (*.xls)|*.xls";
            saveFileDialog.FilterIndex = 0;
            saveFileDialog.RestoreDirectory = true;
            saveFileDialog.FileName = "能耗查詢表";
            string strName = "";
            if (saveFileDialog.ShowDialog() == DialogResult.OK)
            {
                strName = saveFileDialog.FileName;

                if (strName.Length != 0)
                {
                    try
                    {
                        //當前目錄中已存在此文件
                        if (System.IO.File.Exists(strName))
                        {
                            //刪除
                            System.IO.File.Delete(strName);
                        }

                    }
                    catch
                    {
                        this.label2.Text = "導出失敗";
                        return;
                    }
                    this.grdCKTZ.DisplayLayout.Bands[0].HeaderVisible = true;
                    this.grdCKTZ.DisplayLayout.Bands[0].Header.Caption = "報表名字";
                    this.grdCKTZ.DisplayLayout.Bands[0].Indentation = 0;
                    this.grdCKTZ.DisplayLayout.RowConnectorStyle = Infragistics.Win.UltraWinGrid.RowConnectorStyle.None;
                    this.grdCKTZ.DisplayLayout.Bands[0].Header.Appearance.ThemedElementAlpha = Infragistics.Win.Alpha.Transparent;
                    this.grdCKTZ.DisplayLayout.Bands[0].Header.Appearance.BackColor = Color.LightBlue;
                    this.grdCKTZ.DisplayLayout.Bands[0].Header.Appearance.BackGradientStyle = Infragistics.Win.GradientStyle.Horizontal;
                    this.grdExcelExp.Export(this.grdCKTZ, strName);
                    this.label2.Text = "導出成功";
                }
            }
        }