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asp.net微軟圖表控制項使用範例程式碼分享_實用技巧

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複製代碼 代碼如下:

<configuration>
  <system.webServer>
    <handlers>
      <remove name="ChartImageHandler" />
      <add name="ChartImageHandler" preCondition="integratedMode" verb="GET,HEAD,POST"
        path="ChartImg.axd" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
    </handlers>
  </system.webServer>
  <system.web>
    <httpHandlers>
      <add path="ChartImg.axd" verb="GET,HEAD,POST" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
        validate="false" />
    </httpHandlers>
  </system.web>
</configuration>

複製代碼 代碼如下:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="chart.aspx.cs" Inherits="chart" %>

<%@ Register Assembly="System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
    Namespace="System.Web.UI.DataVisualization.Charting" TagPrefix="asp" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>MsChart圖表控制項</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:Chart ID="Chart1" runat="server" Width="500px" BorderDashStyle="Solid" Palette="BrightPastel" imagetype="Png"  BackSecondaryColor="White" BackGradientStyle="TopBottom" BorderWidth="2" backcolor="#D3DFF0" BorderColor="26, 59, 105">
            <Titles>
                <asp:Title Font="微軟雅黑, 16pt" Name="Title1" Text="統計表">
                </asp:Title>
            </Titles>
            <borderskin skinstyle="Emboss"></borderskin>
            <Series>
                <asp:Series Name="Series1"  ChartType="Bubble" MarkerSize="8" MarkerStyle="Circle">
                </asp:Series>
            </Series>
            <ChartAreas>
                <asp:ChartArea Name="ChartArea1"  BorderColor="64, 64, 64, 64" BackSecondaryColor="Transparent" BackColor="64, 165, 191, 228" ShadowColor="Transparent" BackGradientStyle="TopBottom">
                </asp:ChartArea>
            </ChartAreas>
        </asp:Chart> 

        <asp:Chart ID="Chart2" runat="server">
            <Series>
                <asp:Series Name="Series1">
                </asp:Series>
            </Series>
            <ChartAreas>
                <asp:ChartArea Name="ChartArea1">
                </asp:ChartArea>
            </ChartAreas>
        </asp:Chart>
        <br/>

        <asp:Chart ID="Chart3" runat="server">
            <Series>
                <asp:Series Name="Series1">
                </asp:Series>
            </Series>
            <ChartAreas>
                <asp:ChartArea Name="ChartArea1">
                </asp:ChartArea>
            </ChartAreas>
        </asp:Chart>

        <asp:Chart ID="Chart4" runat="server">
        <Legends>
            <asp:Legend Title="金牌榜"></asp:Legend>
        </Legends>
            <Series>
                <asp:Series Name="Series1">
                </asp:Series>
            </Series>
            <ChartAreas>
                <asp:ChartArea Name="ChartArea1">
                </asp:ChartArea>
            </ChartAreas>
        </asp:Chart>
    </div>
    </form>
</body>
</html>

複製代碼 代碼如下:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Web.UI;
using System.Web.UI.WebControls;
//add
using System.Drawing;

public partial class chart : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        DataTable dt = CreatData();
        GetStyle1(dt);
        GetStyle2(dt);
        GetStyle3(dt);
        GetStyle4(dt);
    }


    protected void GetStyle1(DataTable dt)
    {
        #region 折線圖
        Chart1.DataSource = dt;//綁定資料
        Chart1.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Line;//設定圖表類型
        Chart1.Series[0].XValueMember = "Country";//X軸資料成員列
        Chart1.Series[0].YValueMembers = "Score";//Y軸資料成員列
        Chart1.ChartAreas["ChartArea1"].AxisX.Title = "國家";//X軸標題
        Chart1.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//設定Y軸標題的名稱所在位置位遠
        Chart1.ChartAreas["ChartArea1"].AxisY.Title = "金牌";//X軸標題
        Chart1.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;//設定Y軸標題的名稱所在位置位遠
        Chart1.ChartAreas["ChartArea1"].AxisX.Interval = 1;//X軸資料的間距
        Chart1.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不顯示豎著的分割線
        Chart1.Series[0].IsValueShownAsLabel = true;//顯示座標值
        #endregion
    }


    protected void GetStyle2(DataTable dt)
    {
        #region 樣條圖（平滑曲線）
        Chart2.DataSource = dt;//綁定資料
        Chart2.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Spline;//設定圖表類型
        Chart2.Series["Series1"].MarkerStyle = System.Web.UI.DataVisualization.Charting.MarkerStyle.Cross;//設定點的樣式，十字形
        Chart2.Series[0].XValueMember = "Country";//X軸資料成員列
        Chart2.Series[0].YValueMembers = "Score";//Y軸資料成員列
        Chart2.ChartAreas["ChartArea1"].AxisX.Title = "國家";//X軸標題
        Chart2.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//設定Y軸標題的名稱所在位置位遠
        Chart2.ChartAreas["ChartArea1"].AxisY.Title = "金牌";//X軸標題
        Chart2.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;//設定Y軸標題的名稱所在位置位遠
        Chart2.ChartAreas["ChartArea1"].AxisX.Interval = 1;//X軸資料的間距
        Chart2.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不顯示豎著的分割線
        Chart2.Series[0].IsValueShownAsLabel = true;//顯示座標值
        #endregion
    }

    protected void GetStyle3(DataTable dt)
    {
        #region 橫條圖
        Chart3.DataSource = dt;//綁定資料
        Chart3.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Bar;//設定圖表類型
        Chart3.Series[0].XValueMember = "Country";//X軸資料成員列
        Chart3.Series[0].YValueMembers = "Score";//Y軸資料成員列
        Chart3.ChartAreas["ChartArea1"].AxisX.Title = "國家";//X軸標題
        Chart3.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//設定Y軸標題的名稱所在位置位遠
        Chart3.ChartAreas["ChartArea1"].AxisY.Title = "金牌";//X軸標題
        Chart3.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;//設定Y軸標題的名稱所在位置位遠
        Chart3.ChartAreas["ChartArea1"].AxisX.Interval = 1;//X軸資料的間距
        Chart3.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不顯示豎著的分割線
        Chart3.Series[0].IsValueShownAsLabel = true;//顯示座標值
        #endregion
    }


    protected void GetStyle4(DataTable dt)
    {
        #region 餅形圖
        Chart4.DataSource = dt;//綁定資料
        Chart4.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Pie;//設定圖表類型
        Chart4.Series[0].XValueMember = "Country";//X軸資料成員列
        Chart4.Series[0].YValueMembers = "Score";//Y軸資料成員列
        Chart4.Series[0].LegendMapAreaAttributes = "Country"; //顯示國家
        Chart4.Series[0].IsValueShownAsLabel = true;//顯示座標值
        #endregion

    }
    /// <summary>
    /// 建立一張二維資料表
    /// </summary>
    /// <returns>Datatable類型的資料表</returns>
    protected DataTable CreatData()
    {
        DataTable dt = new DataTable();
        dt.Columns.Add("Country", System.Type.GetType("System.String"));
        dt.Columns.Add("Score", System.Type.GetType("System.String"));
        string[] n = new string[] { "中國","美國", "俄羅斯", "英國" };
        string[] c = new string[] { "85","80", "50", "35" };
        for (int i = 0; i < 4; i++)
        {
            DataRow dr = dt.NewRow();
            dr["Country"] = n[i];
            dr["Score"] = c[i];
            dt.Rows.Add(dr);
        }
        return dt;
    }
}

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