BS架构下将数据导出为XML文件，及将XML文件数据导入数据库

BS架构下将数据导出为XML文件，及将XML文件数据导入数据库
导出
  /// <summary>
  /// 功能：生成XML文件
  /// </summary>
  private void CreateXML()
  {
   Manage.Components.DataAccess objData;
   DataSet ds;
   int n;
   
   XmlDeclaration xmlDec;
   XmlDocument xmlDoc;

   XmlElement xmlEltDocument;
   XmlElement xmlEltName;
   XmlElement xmlEltQuestions;
   XmlElement xmlEltAnswers;
   XmlElement xmlEltReceiptQuestions;
   XmlElement xmlEltReceiptAnswers;
   XmlElement xmlEltColumm;

   try
   {
    //初始化XmlDocument
    xmlDoc = new XmlDocument();

    ///添加说明
    xmlDec = xmlDoc.CreateXmlDeclaration("1.0","UTF-8","");
    xmlDoc.AppendChild(xmlDec);
    xmlDec = null;

    //添加Document节点
    xmlEltDocument = xmlDoc.CreateElement("Document");
    xmlDoc.AppendChild(xmlEltDocument);

    //创建Name
    xmlEltName = xmlDoc.CreateElement("Name");
    xmlEltName.InnerText = "名称" + DateTime.Now.ToString();
    xmlEltDocument.AppendChild(xmlEltName);    

    //判断当前用户是否是客户
    bool blnIsCustomer = Common.Common.GetIsCustomer(); 

    string strUserFlag;
    if(blnIsCustomer)
    {
     strUserFlag = "Customer";
    }
    else
    {
     strUserFlag = "Commpany";
    }
    //创建用户标志
    xmlEltName = xmlDoc.CreateElement("UserFlag");
    xmlEltName.InnerText = strUserFlag;
    xmlEltDocument.AppendChild(xmlEltName);

    objData = new Support.Manage.Components.DataAccess();

    //创建问题表
    if(blnIsCustomer)
    {
     ds = objData.CustomerQuestionsGet(); //客户
    }
    else
    {
     ds = objData.CompanyQuestionsGet();  //公司
    }
    n = ds.Tables[0].Rows.Count;
    if(ds != null && n > 0)
    {
     //创建Questions
     for(int i = 0; i < n; i++)
     {
      DataRow dr = ds.Tables[0].Rows[i];      
      
      //创建Questions
      xmlEltQuestions = xmlDoc.CreateElement("Questions");
      xmlEltDocument.AppendChild(xmlEltQuestions);

      //创建Questions列 f_QuestionID
      xmlEltColumm = xmlDoc.CreateElement("f_QuestionID");
      xmlEltColumm.InnerText = dr["f_QuestionID"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);

      //创建Questions列 f_CustomerCode
      xmlEltColumm = xmlDoc.CreateElement("f_CustomerCode");
      xmlEltColumm.InnerText = dr["f_CustomerCode"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);

      //创建Questions列 f_AppCode
      xmlEltColumm = xmlDoc.CreateElement("f_AppCode");
      xmlEltColumm.InnerText = dr["f_AppCode"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);

      //创建Questions列 f_Content
      xmlEltColumm = xmlDoc.CreateElement("f_Content");
      xmlEltColumm.InnerText = dr["f_Content"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);

      //创建Questions列 f_Questioner
      xmlEltColumm = xmlDoc.CreateElement("f_Questioner");
      xmlEltColumm.InnerText = dr["f_Questioner"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);

      //创建Questions列 f_Phone
      xmlEltColumm = xmlDoc.CreateElement("f_Phone");
      xmlEltColumm.InnerText = dr["f_Phone"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);

      //创建Questions列 f_QuestionDate
      xmlEltColumm = xmlDoc.CreateElement("f_QuestionDate");
      xmlEltColumm.InnerText = dr["f_QuestionDate"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);

      //创建Questions列 f_IsSended
      xmlEltColumm = xmlDoc.CreateElement("f_IsSended");
      xmlEltColumm.InnerText = dr["f_IsSended"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);

      //创建Questions列 f_IPAddress
      xmlEltColumm = xmlDoc.CreateElement("f_IPAddress");
      xmlEltColumm.InnerText = dr["f_IPAddress"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);

      //创建Questions列 f_RowFlag
      xmlEltColumm = xmlDoc.CreateElement("f_RowFlag");
      xmlEltColumm.InnerText = dr["f_RowFlag"].ToString();
      xmlEltQuestions.AppendChild(xmlEltColumm);
     }     
    }
    

    ////保存到本地
    //xmlDoc.Save("d://Support.xml");
    //用IE打开
    Response.Clear();
    Response.Write(xmlDoc.OuterXml);
    Response.Flush();
    Response.End();
   }
   catch(Exception e)
   {
    Common.Client.ShowErrorDialog(this,e.Message);
   }
   finally
   {
    objData = null;
    ds = null;
    xmlDec = null;
    xmlDoc = null;
    xmlEltDocument = null;
    xmlEltName = null;
    xmlEltQuestions = null;
    xmlEltAnswers = null;
    xmlEltReceiptQuestions = null;
    xmlEltReceiptAnswers = null;
    xmlEltColumm = null;
   }
  }
导入
  /// <summary>
  /// 功能：导入XML数据
  /// </summary>
  private void ImportXML()
  {
   Manage.Components.DataAccess objData;
   DataSet ds;
   int n;

   XmlDocument xmlDoc;
   XmlNodeList xmlNList;

   string strXmlFilePath;
   try
   {
    objData = new Support.Manage.Components.DataAccess();

    xmlDoc = new XmlDocument();

    string strFileType = strFile.PostedFile.ContentType;
    //如果选择的文件不是XML格式,无法导入
    if(strFileType != "application/x-xml" && strFileType != "text/xml")
    {
     Common.Client.ShowErrorDialog(this,"您选择的文件不是XML格式,无法导入!");
     return;
    }

    //上传Xml附件
    strXmlFilePath = Server.MapPath("../XmlData") + "//SupportData.xml";

    if (File.Exists(strXmlFilePath))
    {
     File.Delete(strXmlFilePath);
    }

    strFile.PostedFile.SaveAs(strXmlFilePath);

    //加载Xml文件
    xmlDoc.Load(strXmlFilePath);

    //判断当前用户是否是客户
    bool blnIsCustomer = Common.Common.GetIsCustomer(); 

    string strUserFlag;
    if(blnIsCustomer)
    {
     strUserFlag = "Customer";
    }
    else
    {
     strUserFlag = "Commpany";
    }

    //用户标志
    xmlNList = xmlDoc.GetElementsByTagName("UserFlag");
    string strUser = xmlNList.Item(0).InnerText.ToString();
    //如果是自己导出的文件，则无法导入
    if(strUser == strUserFlag)
    {
     Common.Client.ShowErrorDialog(this,"您选择的是自己导出的文件,无法导入!");
     if (File.Exists(strXmlFilePath))
     {
      File.Delete(strXmlFilePath);
     }
     return;
    }

    //问题
    xmlNList = null;
    xmlNList = xmlDoc.GetElementsByTagName("Questions");

    //已接受问题状态改为对方已确认状态
    ds = objData.ReceiptQuestionsGet();
    n = ds.Tables[0].Rows.Count;
    for(int i = 0; i < n; i++)
    {
     string strQuestionID = ds.Tables[0].Rows[i]["f_QuestionID"].ToString();
     string strCustomerCode = ds.Tables[0].Rows[i]["f_CustomerCode"].ToString();
     int m = 0;
     //遍历要导入的问题数据
     foreach(XmlNode xmlItem in xmlNList)
     {
      string strQuestionIDGeted = xmlItem["f_QuestionID"].InnerText.ToString();
      string strCustomerCodeGeted = xmlItem["f_CustomerCode"].InnerText.ToString();
      if(strQuestionID == strQuestionIDGeted && strCustomerCode == strCustomerCodeGeted)
      {
       break;
      }
      m++;
     }
     //若要导入的数据中不含有此问题，则将此问题状态改为对方已确认状态
     if(xmlNList.Count == m)
     {
      objData.QuestionID = Convert.ToInt32(strQuestionID);
      objData.CustomerCode = strCustomerCode;
      objData.QuestionSendedSet();
     }
    }

    //循环将问题导入
    foreach(XmlNode xmlItem in xmlNList)
    {
     objData.QuestionID = Convert.ToInt32(xmlItem["f_QuestionID"].InnerText.ToString());
     objData.CustomerCode = xmlItem["f_CustomerCode"].InnerText.ToString();
     objData.AppCode = xmlItem["f_AppCode"].InnerText.ToString();
     objData.QuestionContent = xmlItem["f_Content"].InnerText.ToString();
     objData.Questioner = xmlItem["f_Questioner"].InnerText.ToString();
     objData.Phone = xmlItem["f_Phone"].InnerText.ToString();
     objData.QuestionDate = Convert.ToDateTime(xmlItem["f_QuestionDate"].InnerText.ToString());
     //objData.IsSended = Convert.ToInt32(xmlItem["f_IsSended"].InnerText.ToString());
     objData.IPAddress = xmlItem["f_IPAddress"].InnerText.ToString();
     objData.RowFlag = Convert.ToInt32(xmlItem["f_RowFlag"].InnerText.ToString());

     objData.QuestionAdd();
    }

    //导入成功后，删除已上传的Xml文件
    if (File.Exists(strXmlFilePath))
    {
     File.Delete(strXmlFilePath);
    }

    Common.Client.ShowErrorDialog(this,"导入成功!");
   }
   catch(Exception e)
   {
    Common.Client.ShowErrorDialog(this,e.Message);
   }
   finally
   {
    objData = null;
    xmlDoc = null;
    xmlNList = null;
   }
  }