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private void toolExcel_Click(object sender, EventArgs e)        {            Microsoft.Reporting.WinForms.Warning[] Warnings;            string[] strStreamIds;            string strMimeType;            string strEncoding;            string strFileNameExtension;            byte[] bytes = this.rptViewer.LocalReport.Render("Excel", null, out strMimeType, out strEncoding, out strFileNameExtension, out strStreamIds, out Warnings);            //string strFilePath = @"D:\" + this.GetTimeStamp() + ".xls";

　　　　　 SaveFileDialog Dialog = new SaveFileDialog();              Dialog.Filter = "*.xls|*.*";              Dialog.ShowDialog();

              string strFilePath = Dialog.FileName;            using (System.IO.FileStream fs = new FileStream(strFilePath, FileMode.Create))            {                fs.Write(bytes, 0, bytes.Length);            }            if (Pub.WinForm.Msg.Question("报表打印： \r\n    成功导出Excel文件！" + strFilePath + "\r\n    要现在打开文件" + strFilePath + "吗？") == DialogResult.Yes)            {                System.Diagnostics.Process.Start(strFilePath);            }        }

from http://www.cnblogs.com/waxdoll/archive/2006/03/03/342435.html

转载于:https://www.cnblogs.com/kevenzeng/archive/2012/03/19/2406607.html

相关资源：数据结构—成绩单生成器