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  • 使用DevExpress的Grid自动打印,导出

    我们在写项目的时候,总会遇到一些数据的打印和导出,开始在想得时候真的很困难,但是最后还是解决了,所有分享一下,以后对自己有用
       /// <summary>
            /// 打印信息
            /// </summary>
            /// <param name="sender"></param>
            /// <param name="e"></param>
            private void barButtonItem4_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
            {
                //指定应用于单页单页设置
                PageSettings set_print_page = new PageSettings();
                //自动打印
                DynamicPrintHelper ph = new DynamicPrintHelper();
                if (ph.IsPrintingAvailable)
                {
                    //设置自动打印属性
                    ph.PageSettings = set_print_page;
                    ph.PageSettings.Landscape = true;
                    //打印gridview页面
                    ph.ShowPreview(this.gridControl1, true);
                }
    /// <summary>
            /// 实现导出功能
            /// </summary>
            /// <param name="bv"></param>
            /// <param name="provider"></param>
            public static void ExportTo(BaseView bv,IExportProvider provider)
            {
                //用于绘制鼠标指针图像
                Cursor currentCursor = Cursor.Current;
                Cursor.Current = Cursors.WaitCursor;
                BaseExportLink link = bv.CreateExportLink(provider);
                link.ExportTo(true);
                Cursor.Current = currentCursor;
             }

            /// <summary>
            /// 设置弹出一个保存文件对话框
            /// </summary>
            /// <param name="title"></param>
            /// <param name="filter"></param>
            /// <returns></returns>
            public static string ShowSaveFileDialog(string title, string filter)
            {
                //打开文件对话框
                SaveFileDialog dlg = new SaveFileDialog();
                //默认的文件名
                string name = "导出文件";
                //设置标题栏
                dlg.Title = "导出到 " + title;
                //设置默认文件名
                dlg.FileName = name;
                dlg.Filter = filter;
                if (dlg.ShowDialog() == DialogResult.OK)
                {
                    //返回文件名
                    return dlg.FileName;

                }
                return "";
            
           }
            /// <summary>
            /// 导出到excel的事件方法
            /// </summary>
            /// <param name="sender"></param>
            /// <param name="e"></param>
            private void barButtonItem5_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
            {
                try
                {
                    //打开导出文件保存对话款
                    string fileName = ShowSaveFileDialog("Microsoft Excel Document", "Microsoft Excel|*.xls");
                    //文件不为空
                    if (fileName != "")
                    {
                        //调用导出方法
                        ExportTo(gridView1, new ExportXlsProvider(fileName));
                    }
                }
                catch (Exception ex)
                {
                    //捕捉异常
                    MessageBox.Show(ex.Message.ToString());
                    return;
                }

            }

    导出的时候还可以用下面的方法,会更加的方便和简洁
    /// <summary>
            /// 导出到excel的事件方法
            /// </summary>
            /// <param name="sender"></param>
            /// <param name="e"></param>
            private void barButtonItem导出_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
            {
                    //保存对话框
                    SaveFileDialog sfd = new SaveFileDialog();
                    //默认的文件名
                    string name = "假劣药信息";
                    //设置默认文件名
                    sfd.FileName = name;
                    //设置标题栏
                    sfd.Title = "导出文件到" + name+"文件中";
                    //设置导出的文件格式
                    sfd.Filter = "XLS|*.XLS";
                    //弹出保存对话框
                    sfd.ShowDialog();
                    //如果文件名不为空
                    if (sfd.FileName != null)
                    {
                        //导出该文件
                        this.gridControl信息显示.ExportToXls(sfd.FileName);
                    }

                }
                catch (Exception es)
                {
                    MessageBox.Show(es.Message);
                    return;
                }
            }
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  • 原文地址:https://www.cnblogs.com/lhj588/p/2743143.html
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