日期:2014-05-16  浏览次数:20838 次

Access导出xml
数据库中有多个表,eg,SMT_Folder_Table,SMT_Object_Table,SMT_Control_Table等,关系是:SMT_Object_Table.ParentID=SMT_Folder_Table.ID, SMT_Control_Table.ParentID=SMT_Object_Table.ID
怎样写sql语句,将这三个表中的内容读出来写成想xml文件?

现在我的代码是这样的
C# code

DataTable dt = new DataTable();
            using (OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + @"E:\Project\Copy of SmartTesterNet\SmartTesterNet.Web\App_Data\MR_System_All.mdb"))
            {
                try
                {
                    OleDbCommand cmd = new OleDbCommand("select * from SMT_Folder_Table,SMT_Object_Table where SMT_Object_Table.ParentID =SMT_Folder_Table.ID", conn);
                    OleDbDataAdapter oda = new OleDbDataAdapter(cmd);
                    oda.Fill(dt);
                    dt.TableName = "SMT_Folder_Table";
                    cmd.Dispose();
                }
                catch (Exception ex)
                {
                    conn.Close();
                    throw new Exception(ex.Message);
                }
            }

            dt.WriteXml(@"E:\Project\Copy of SmartTesterNet\SmartTesterNet.Web\App_Data\123.xml",true); 



得到的结果是以下格式
XML code

- <SMT_Folder_Table>
  <SMT_Folder_Table.No>65</SMT_Folder_Table.No> 
  <SMT_Folder_Table.ID>ID_20090326_86116451</SMT_Folder_Table.ID> 
  <SMT_Folder_Table.ParentID>ID_20090326_95313513</SMT_Folder_Table.ParentID> 
  <SMT_Folder_Table.Name>TextEdit_Scene</SMT_Folder_Table.Name> 
  <SMT_Folder_Table.Select>False</SMT_Folder_Table.Select> 
  <SMT_Folder_Table.Sort>False</SMT_Folder_Table.Sort> 
  <SMT_Object_Table.No>383</SMT_Object_Table.No> 
  <SMT_Object_Table.ID>ID_20090318_6714558</SMT_Object_Table.ID> 
  <SMT_Object_Table.ParentID>ID_20090326_86116451</SMT_Object_Table.ParentID> 
  <SMT_Object_Table.Name>TextEdit_FRM</SMT_Object_Table.Name> 
  <SMT_Object_Table.Select>False</SMT_Object_Table.Select> 
  <SMT_Object_Table.Sort>True</SMT_Object_Table.Sort> 
  </SMT_Folder_Table>



但是我希望的吧,是能这样子
XML code

- <SMT_Folder_Table>
  <SMT_Folder_Table.No>65</SMT_Folder_Table.No> 
  <SMT_Folder_Table.ID>ID_20090326_86116451</SMT_Folder_Table.ID> 
  <SMT_Folder_Table.ParentID>ID_20090326_95313513</SMT_Folder_Table.ParentID> 
  <SMT_Folder_Table.Name>TextEdit_Scene</SMT_Folder_Table.Name> 
  <SMT_Folder_Table.Select>False</SMT_Folder_Table.Select> 
  <SMT_Folder_Table.Sort>False</SMT_Folder_Table.Sort> 
      -<SMT_Object_Table.No>383</SMT_Object_Table.No> 
       <SMT_Object_Table.ID>ID_20090318_6714558</SMT_Object_Table.ID> 
       <SMT_Object_Table.ParentID>ID_20090326_86116451</SMT_Object_Table.ParentID> 
       <SMT_Object_Table.Name>TextEdit_FRM</SMT_Object_Table.Name> 
       <SMT_Object_Table.Select>False</SMT_Object_Table.Select> 
       <SMT_Object_Table.Sort>True</SMT_Object_Table.Sort> 
  </SMT_Folder_Table>



多谢各位大侠了

------解决方案--------------------
下面这不是正确的XML结构,所以也不必费心了。

- <SMT_Folder_Table>
<SMT_Folder_Table.No>65</SMT_Folder_Table.No> 
<SMT_Folder_Table.ID>ID_20090326_86116451</SMT_Folder_Table.ID> 
<SM