C#窗体间通讯处理的几种方法总结

/// <summary>
        /// 生成Excel的方法
        /// </summary>
        /// <param name="ds">DataSet</param>
        /// <param name="url">Excel存在服务器的相对地址</param>
        /// <returns></returns>
        private bool ExportExcel(DataSet ds,string path)
        {
            //创建标题行
            HSSFWorkbook workbook = new HSSFWorkbook();
            HSSFSheet sheet = workbook.CreateSheet("报名情况");
            HSSFRow rowtitle = sheet.CreateRow(0);

            //设置列宽
            sheet.SetColumnWidth(0,30 * 256);
            sheet.SetColumnWidth(1,30 * 256);
            sheet.SetColumnWidth(2,30 * 256);
            sheet.SetColumnWidth(3,30 * 256);
            sheet.SetColumnWidth(4,30 * 256);
            sheet.SetColumnWidth(5,30 * 256);
            sheet.SetColumnWidth(6,30 * 256);
            sheet.SetColumnWidth(7,30 * 256);
            sheet.SetColumnWidth(8,30 * 256);
            sheet.SetColumnWidth(9,30 * 256);

 

            //创建列
            rowtitle.CreateCell(0,HSSFCellType.STRING).SetCellValue("姓名");
            rowtitle.CreateCell(1,HSSFCellType.STRING).SetCellValue("资质证书编号");
            rowtitle.CreateCell(2,HSSFCellType.STRING).SetCellValue("职业资格等级");
            rowtitle.CreateCell(3,HSSFCellType.STRING).SetCellValue("性别");
            rowtitle.CreateCell(4,HSSFCellType.STRING).SetCellValue("身份证号");
            rowtitle.CreateCell(5,HSSFCellType.STRING).SetCellValue("从业信息识别卡编号");
            rowtitle.CreateCell(6,HSSFCellType.STRING).SetCellValue("原机构名称");
            rowtitle.CreateCell(7,HSSFCellType.STRING).SetCellValue("原机构编号");
            rowtitle.CreateCell(8,HSSFCellType.STRING).SetCellValue("变更机构名称");
            rowtitle.CreateCell(9,HSSFCellType.STRING).SetCellValue("变更机构编号");

            //DataSet是一个DataTale的集合，如果只是填充了1张表，则此表的ID为0
            DataTable dt = ds.Tables[0];
            int i = 1;
            foreach (DataRow row in dt.Rows)
            {
                HSSFRow newrow = sheet.CreateRow(i);
                newrow.CreateCell(0,HSSFCellType.STRING).SetCellValue(Convert.ToString(row["R_XM"]));
                newrow.CreateCell(1,HSSFCellType.STRING).SetCellValue(Convert.ToString(row["R_newzzbh"]));
                string jibie=string.Empty;
                if (row["R_jb"].ToString()=="1")
                {
                    jibie = "一级";
                }
                else if (row["R_jb"].ToString() == "2")
                {
                    jibie = "二级";
                }
                else if (row["R_jb"].ToString() == "3")
                {
                    jibie = "三级";
                }
                newrow.CreateCell(2,HSSFCellType.STRING).SetCellValue(jibie);
                newrow.CreateCell(3,HSSFCellType.STRING).SetCellValue(Convert.ToString(row["R_XB"]));
                newrow.CreateCell(4,HSSFCellType.STRING).SetCellValue(Convert.ToString(row["user_id"]));
                newrow.CreateCell(5,HSSFCellType.STRING).SetCellValue(Convert.ToString(row["R_KH"]));
                newrow.CreateCell(6,HSSFCellType.STRING).SetCellValue(Convert.ToString(row["yjgmc"]));
                newrow.CreateCell(7,HSSFCellType.STRING).SetCellValue(Convert.ToString(row["yjgbh"]));
                newrow.CreateCell(8,HSSFCellType.STRING).SetCellValue(Convert.ToString(row["bjgmc"]));
                newrow.CreateCell(9,HSSFCellType.STRING).SetCellValue(Convert.ToString(row["bjgbh"]));
                i++;
            }
            try
            {
                using (Stream stream = File.Open(path,FileMode.OpenOrCreate,FileAccess.ReadWrite))
                {
                    workbook.Write(stream);
                }
                return true;
            }
            catch (Exception)
            {
                return false;
                throw;
            }

        }

/// <summary>
        /// 导出Excel
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void linkExport_Click(object sender,EventArgs e)
        {
            DataSet ds = new DataSet();
            ds = apryManager.Export();
            Random rd = new Random();
            int rd1= rd.Next(222221,999999);
            string path = this.Server.MapPath("~anxieExecl") + DateTime.Now.ToString("yyyyMMddhhmmss")+ rd1.ToString() + ".xls";
            if (!Directory.Exists(this.Server.MapPath("~anxieExecl")))
            {
                Directory.CreateDirectory(this.Server.MapPath("~anxieExecl"));
            }
            bool status = ExportExcel(ds,path);
            string Redirectpath = "~anxieExecl" + path.Substring(path.LastIndexOf("") + 1);
            if (status)
            {
                Response.Redirect(Redirectpath);
                File.Delete(path);
            }
            else
            {
                ClientScript.RegisterStartupScript(GetType(),"alert","alert('生成Excel失败！')",true);
            }
        }