通过Excel表格上传数据

 private void SaveData(string state)
    {
        if (Session["CustomerDataTable"] == null)
        {
            if (fldCustomersInfo.PostedFile.FileName != "")
            {
                if ((fldCustomersInfo.PostedFile.ContentType.ToUpper() == "application/vnd.ms-excel".ToUpper()) || (fldCustomersInfo.PostedFile.ContentType.ToUpper() == "application/octet-stream".ToUpper()))
                {


                    WX.Utils.WebTools.UploadFile(Page, fldCustomersInfo, ref txtCustomerFileName, ref txtCustomerFilePath);
                    string strPath = WX.Utils.Config.GetValue("UpLoadPath");
                    string filePath = Server.MapPath(strPath) + @"\" + txtCustomerFilePath.Value;
                    if (File.Exists(filePath))
                    {
                        DataTable customerDt = new DataTable();
                        //try
                        {
                            //try
                            //{
                            ExcelFile ef = new ExcelFile();
                            ef.LoadXls(filePath);
                            if (ef.Worksheets.Count > 0)
                            {
                                ExcelWorksheet ew = ef.Worksheets[0];
                                if (ew.Rows.Count > 1)
                                {
                                    //第一行为表头
                                    if (ew.Rows[0].Cells[0].Value != null && ew.Rows[0].Cells[1].Value != null)
                                    {
                                        customerDt.Columns.Add(ew.Rows[0].Cells[0].Value.ToString());
                                        customerDt.Columns.Add(ew.Rows[0].Cells[1].Value.ToString());
                                    }
                                    else
                                    {
                                        ShowMessage("格式错误！请严格按照模板！");
                                        return;
                                    }
                                    for (int i = 1; i < ew.Rows.Count; i++)
                                    {
                                        DataRow drXLS = customerDt.NewRow();
                                        if (ew.Rows[i].Cells[1].Value != null)
                                        {
                                            drXLS[0] = "";
                                            if (ew.Rows[i].Cells[0].Value != null)
                                            {
                                                drXLS[0] = ew.Rows[i].Cells[0].Value.ToString();
                                            }
                                            drXLS[1] = ew.Rows[i].Cells[1].Value.ToString();
                                            customerDt.Rows.Add(drXLS);
                                        }

                                    }
                                }
                            }

                            //}
                            //catch (Exception ex)
                            //{
                            //   SimpleLog.Write(ex.StackTrace.ToString() + ex.Message);
                            //    ShowMessage("读取文件信息失败，请确保文件格式正确！");
                            //    return;
                            //}

                        }
                        // catch (Exception ex)
                        //{
                        //    ShowMessage("读取客户信息失败！" + ex.Message.Replace("'", ""));
                        //    return;
                        //}
                        Session["CustomerDataTable"] = customerDt;
                        Session["CustomerFileName"] = txtCustomerFileName.Value;
                        try
                        {
                            File.Delete(filePath);
                        }
                        catch
                        {

                        }
                    }
                    else
                    {
                        ShowMessage("所选择的文件格式错误！正确格式为：.xls文件！" + fldCustomersInfo.PostedFile.ContentType);
                        return;
                    }
                }
            }
        }
        int ttlCount = 0;
        //SqlStr = service.GetPageSqlStr(TableName, 1, 1, string.Format("RowID={0}", id), "", "RowID DESC", out ttlCount);
        //DataTable dtOne = service.GetDataTable(SqlStr);
        object[] args = new object[] { TableName, 1, 1, string.Format("RowID={0}", id), "", "RowID DESC", 0 };
        object obj = service.GetServiceMethod("GetPageSqlStr", args);
        string SqlStr = "";
        if (obj != null)
        {
            SqlStr = obj.ToString();
            if (!int.TryParse(args[6].ToString(), out ttlCount))
                ttlCount = 0;
        }
        DataTable dtOne = null;
        object objDt = service.GetServiceMethod("GetDataTable", new object[] { SqlStr });
        if (objDt != null)
            dtOne = (DataTable)objDt;
        if (dtOne == null)
            return;

        DataRow dr = null;
        if (dtOne != null && dtOne.Rows.Count > 0)
        {
            dr = dtOne.Rows[0];
        }
        else
        {
            dr = dtOne.NewRow();
        }
        if (dr != null)
        {
            BizOperator.GetEditData(dr, this);

            //dr["MessageContent"] = fldMessageContent.Text;
            //dr["MessageTitle"] = fldMessageTitle.Text;
            //dr["Remark"] = fldRemark.Text;
            //dr["SenderName"] = fldSenderName.Text;
            //dr["StartTime"] = fldStartTime.Text;
            //dr["TaskName"] = fldTaskName.Text;

        }
        dr["LastModifiedUser"] = UserName;
        dr["LastModifiedTime"] = WX.Util.DBExtension.GetDateTimeNowString();
        dr["CustomerFileName"] = Session["CustomerFileName"];


        if (fldCorpID.SelectedItem != null)
        {
            dr["CorpID"] = fldCorpID.SelectedItem.Value;
            dr["CorpName"] = fldCorpID.SelectedItem.Text;
        }
        if (state == "D")
        {
            if (fldState.SelectedItem != null)
            {
                dr["State"] = fldState.SelectedItem.Value;
                dr["StateName"] = fldState.SelectedItem.Text;
            }
        }
        else
        {
            dr["State"] = "S";
            dr["StateName"] = "提交";
        }
        if (fldIsRebackMsg.Checked)
            dr["IsRebackMsg"] = "0";
        else
            dr["IsRebackMsg"] = "1";
        try
        {
            if (id == 0)
            {

                dr["CreateUser"] = UserName;
                dr["CreateTime"] = WX.Util.DBExtension.GetDateTimeNowString();
                dtOne.Rows.Add(dr);
            }
            //service.Update(SqlStr, dtOne);
            service.GetServiceMethod("Update", new object[] { SqlStr, dtOne });
        }
        catch (Exception exc)
        {
            SimpleLog.Write("短信群发保存数据失败，原因：" + exc.Message + exc.StackTrace);
            ShowMessage("保存任务信息时出错，请确保所选择的文件的格式与模板相符！");
            return;
        }
        try
        {
            int detailForTtlCount = 0;
            int parentID = 0;
            //string sql = SqlStr = service.GetPageSqlStr(TableName, 1, 1, "", "Top 1 RowID", "RowID DESC", out detailForTtlCount);
            //DataTable dtOneForDetail = service.GetDataTable(sql);
            object[] args2 = new object[] { TableName, 1, 1, "", "Top 1 RowID", "RowID DESC", 0 };
            string sql = (string)service.GetServiceMethod("GetPageSqlStr", args2);
            if (!int.TryParse(args[6].ToString(), out detailForTtlCount))
                detailForTtlCount = 0;
            DataTable dtOneForDetail = (DataTable)service.GetServiceMethod("GetDataTable", new object[] { sql });
            if (dtOneForDetail != null && dtOneForDetail.Rows.Count > 0)
            {
                if (dtOneForDetail.Rows[0][0] != null)
                {
                    int.TryParse(dtOneForDetail.Rows[0][0].ToString(), out parentID);
                }
            }
            SaveDetailInfo(parentID);
        }
        catch (Exception ex)
        {
            dtOne.Rows[0].Delete();
            //service.Update(SqlStr, dtOne);
            service.GetServiceMethod("Update", new object[] { SqlStr, dtOne });
            SimpleLog.Write("保存客户信息时出错，原因：" + ex.Message + ex.StackTrace);
            ShowMessage("保存客户信息时出错，原因是：" + ex.Message.Replace("'", ""));
            return;
        }
        if (Request.QueryString["from"] == null)
        {
            StringBuilder sp = new StringBuilder();
            sp.Append("<script language='javascript'>\r\n");
            sp.Append(" window.returnValue=true;\r\n");
            sp.Append(" window.close();\r\n");
            sp.Append("</script>");

#pragma warning disable 612,618
            Page.RegisterClientScriptBlock("ok", sp.ToString());
        }
        else
            Server.Transfer("Manage.aspx");

#pragma warning restore 612,618
    }