把datatable里的数据转换成xml格式的字符串
string GetXmlByDataTable()
{
string xmlstr;
string sql = "select top 10 * from BasicInfo";
DataTable dt = idb.ReturnDataTable(sql);
dt.TableName = "tbname";
if (dt.Rows.Count>0)
{
System.IO.StringWriter writer = new System.IO.StringWriter();
dt.WriteXml(writer);
xmlstr = writer.ToString();
}
return xmlstr;
}
相关文档：
Delphi中有一个EncdDecd单元,uses 它,以下的函数出自这个单元
1.用TBitmap对象Load图片
TBitmap.LoadfromFile
2.把TBitmap存入一个Stream中
TBitmap.SaveToStream(mapStream)
3.把图片流进行base64编码,� ......
using System;
using System.Xml;
namespace ReadXMLfromFile
{
/// <summary>
/// Summary description for Class1.
/// </summary>
class Class1
{
static void Main(string[] args)
{
XmlTextReader reader = new XmlTextReader ("books.xml");
......
方法一：
采取通用的base64编码方式，取时解码存时加码。
毛老师提供了完整的编码代码，且效率很高。
unit Base64;
interface
uses SysUtils, Classes;
type
{$IFDEF UNICODE}
Base64String = AnsiString;
{$ELSE}
Base64String = strin ......
/*
数据库查询XML结构，FOR XML PATH 语句的应用
*/
FOR XML PATH 语句的应用:
CREATE TABLE TempTable(UserID int , UserName nvarchar(50));
insert into TempTable (UserID,UserName) values (1,'a')
insert into TempTable (UserID,UserName) values (2,'b')
select UserID,UserName from TempTable FOR ......
Integration with the XML Data Type
With the introduction of the XML data type, we wanted to also give FOR XML the ability to generate an instance of XML directly (more precisely, it generates a single row, single column rowset where the cell contains the XML data type instance).
Because of the bac ......
