線形圖

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    前臺代碼：

    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Line.aspx.cs" Inherits="hhh.Line" %>





   
   
   
   


   

     后臺代碼：

     public string str = "";//文本
        public string strdata = "";//數(shù)據(jù)
        public double allcount = 0;
        protected void Page_Load(object sender, EventArgs e)
        {
            LoadData();
        }
        protected void LoadData()
        {
            XmlDocument myDoc = new XmlDocument();
            myDoc.Load(Server.MapPath("DB_51aspx.xml"));

            XmlNode xn = myDoc.SelectSingleNode("http://VoteInfo[ID='2']");//讀取數(shù)據(jù)源

            XmlNodeList xnl = xn.SelectNodes("Item");

            double AllCount = 0;//總數(shù)

            for (int i = 0; i < xnl.Count; i++)
            {
                AllCount += Convert.ToSingle(xnl.Item(i).SelectSingleNode("Count").InnerText);
            }
            allcount = AllCount;
            for (int i = 0; i < xnl.Count; i++)
            {
                XmlNode xn0 = xnl.Item(i);
                strdata += xn0.SelectSingleNode("Count").InnerText+ ",";
                str += "\'" + xn0.SelectSingleNode("Title").InnerText + "\'" + ",";
            }
            strdata = strdata.Remove(strdata.Length-1,1);
            str = str.Remove(str.Length-1,1);
        }

      效果圖展示：