代码简单,记录下来为了以后能再看。有错误请指出。谢谢。
DataSet操作源码:
xml文件源码+说明:
DataSet操作源码:
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using System;
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using System.Configuration;
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using System.Data;
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using System.Linq;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.HtmlControls;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Xml.Linq;
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using System.Xml;
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/*
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* 使用三个控件:
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* FileUpload:fileXmlPath;
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* Button:btnXmlPath,btnSave,btnRead;
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* 对应事件btnXmlPath_Click,btnSave_Click,btnRead_Click。
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*/
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public partial class _Default : System.Web.UI.Page
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{
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public static DataSet ds;
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public static string xmlpath;
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protected void Page_Load(object sender, EventArgs e)
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{
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}
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protected void btnXmlPath_Click(object sender, EventArgs e)
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{
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if (fileXmlPath.HasFile)//判断是否打开了文件
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{
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ds = new DataSet();//实例化DataSet
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xmlpath = fileXmlPath.PostedFile.FileName;//获取xml文件路径
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int i = xmlpath.LastIndexOf(".");//获取文件路径字符串中最后一个“.”
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if ((xmlpath.Substring(i + 1)) == "xml")//判断文件类型是不是xml
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{
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//=======================================
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//说明:这里所说的表是指xml文件说明中的“Table”,字段是指“Column”,详见xml源文件
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//=======================================
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ds.ReadXml(xmlpath);
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//读取所有的表
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for (int x = 0; x < ds.Tables.Count; x++)
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{ //输出所有的表名
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Response.Write("表名:"+ds.Tables[x].TableName + " :<br>");
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for (int y = 0; y < ds.Tables[x].Columns.Count; y++)
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{ //读取表中的所有字段名
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string dsvalues;
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dsvalues = ds.Tables[x].Columns[y].Caption;
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//输出字段名
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Response.Write("字段名:"+ds.Tables[x].Columns[y].Caption + "=");
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//输出字段值
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for (int z = 0; z < ds.Tables[x].Rows.Count; z++)
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{
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Response.Write("字段值:"+ds.Tables[x].Rows[z][dsvalues]);
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}
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Response.Write("<br>");
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}
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Response.Write("<br>");
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}
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//======================================
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}
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else
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{
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Response.Write("文件类型不正确,请选择xml文件!");
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}
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}
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else
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{
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Response.Write("你还没有选择文件!");
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}
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}
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protected void btnSave_Click(object sender, EventArgs e)
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{
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//更改节点的值
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ds.Tables["格式"].Rows[0]["自定义节点"] = "写入成功!";
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ds.WriteXml(xmlpath);
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Response.Write("写入成功!");
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}
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protected void btnRead_Click(object sender, EventArgs e)
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{
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//夺取两个相同节点名的值
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Response.Write(ds.Tables["聊天窗口提示IP"].Rows[1]["显示"].ToString());
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Response.Write("<br>");
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Response.Write(ds.Tables["聊天窗口提示IP"].Rows[0]["格式"].ToString());
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}
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}
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xml文件源码+说明:
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<?xml version="1.0" standalone="yes"?>
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<全局设置><!--读取后默认为DataSetName,在DataSet中不显示为Table!-->
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<IP>
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<!--
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每个带属性的节点(除跟节点)都为一个Table,值为Tables["本节点名"].Rows["见注释(1)"]["属性名"]
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否则为一个上级节点的一个Column,值为Tables["上级节点"].Rows["本节点是第几Column"]["本节点名"]
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注释(1):
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如果有与该节点名重复的节点,先读取的在第一行,“Rows["见注释(1)"]”应为“Rows[0]”,依次类推。
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见“注释(1)例”,第20和29行。
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-->
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<格式>
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<自定义节点>自定义节点值!</自定义节点>
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<!--例:
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该节点值为:Tables["格式"].Rows[0]["自定义节点"]-->
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<主面板悬停IP-格式 格式="格式值" />
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<!--例:
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该节点值为:Tables["主面板悬停IP-格式"].Rows[0]["格式"]-->
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<聊天窗口工具栏IP-格式 格式="格式值" />
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<聊天窗口提示IP 格式="格式值" />
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<!--注释(1)例-1:
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该节点值为:Tables["聊天窗口提示IP"].Rows[0]["格式"]-->
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<聊天窗口标题栏IP-格式 格式="格式值" />
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<剪贴板-格式 格式="格式值" />
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</格式>
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<显示参数>
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<主面板悬停IP 显示="是" 左边距="0" 上边距="正确" 宽度="218" 高度="26" 前景色="0" 背景色="16707022" TM背景色="16503223" 边框色="10709302" 对齐="居中" />
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<聊天窗口工具栏IP 显示="是" 左边距="236" 上边距="25" 宽度="240" 高度="25" 前景色="0" 背景色="16758621" 对齐="居中" />
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<聊天窗口提示IP 显示="是" 前景色="16777215" 背景色="15769725" 延时="50" />
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<!--注释(1)例-2:
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如果有重复的节点名,后读取的在第二行,“Rows["见注释(1)"]”应为“Rows[0]”,依次类推
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该节点值为:Tables["聊天窗口提示IP"].Rows[1]["显示"]-->
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<聊天窗口标题栏IP 显示="否" />
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</显示参数>
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<探测参数>
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<自动附加聊天图片 启用="是" />
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</探测参数>
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</IP>
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</全局设置>
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