asp.net微软图表控件使用示例代码分享_实用技巧_

<%@ 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" %>

   


   

   

       
           
               
               
           
           
           
               
               
           
           
               
               
           
         

       
           
               
               
           
           
               
               
           
       
       

       
           
               
               
           
           
               
               
           
       

       
       
           
       
           
               
               
           
           
               
               
           
       
   

   

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 折线图
        Chart1.DataSource = dt;//绑定数据
        Chart1.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Line;//设置图表类型
        Chart1.Series[0].XValueMember = "Country";//X轴数据成员列
        Chart1.Series[0].YValueMembers = "Score";//Y轴数据成员列
        Chart1.ChartAreas["ChartArea1"].AxisX.Title = "国家";//X轴标题
        Chart1.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
        Chart1.ChartAreas["ChartArea1"].AxisY.Title = "金牌";//X轴标题
        Chart1.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
        Chart1.ChartAreas["ChartArea1"].AxisX.Interval = 1;//X轴数据的间距
        Chart1.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不显示竖着的分割线
        Chart1.Series[0].IsValueShownAsLabel = true;//显示坐标值
        #endregion
    }

    protected void GetStyle2(DataTable dt)
    {
        #region 样条图（平滑曲线）
        Chart2.DataSource = dt;//绑定数据
        Chart2.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Spline;//设置图表类型
        Chart2.Series["Series1"].MarkerStyle = System.Web.UI.DataVisualization.Charting.MarkerStyle.Cross;//设置点的样式，十字形
        Chart2.Series[0].XValueMember = "Country";//X轴数据成员列
        Chart2.Series[0].YValueMembers = "Score";//Y轴数据成员列
        Chart2.ChartAreas["ChartArea1"].AxisX.Title = "国家";//X轴标题
        Chart2.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
        Chart2.ChartAreas["ChartArea1"].AxisY.Title = "金牌";//X轴标题
        Chart2.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
        Chart2.ChartAreas["ChartArea1"].AxisX.Interval = 1;//X轴数据的间距
        Chart2.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不显示竖着的分割线
        Chart2.Series[0].IsValueShownAsLabel = true;//显示坐标值
        #endregion
    }

    protected void GetStyle3(DataTable dt)
    {
        #region 条形图
        Chart3.DataSource = dt;//绑定数据
        Chart3.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Bar;//设置图表类型
        Chart3.Series[0].XValueMember = "Country";//X轴数据成员列
        Chart3.Series[0].YValueMembers = "Score";//Y轴数据成员列
        Chart3.ChartAreas["ChartArea1"].AxisX.Title = "国家";//X轴标题
        Chart3.ChartAreas["ChartArea1"].AxisX.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
        Chart3.ChartAreas["ChartArea1"].AxisY.Title = "金牌";//X轴标题
        Chart3.ChartAreas["ChartArea1"].AxisY.TitleAlignment = StringAlignment.Far;//设置Y轴标题的名称所在位置位远
        Chart3.ChartAreas["ChartArea1"].AxisX.Interval = 1;//X轴数据的间距
        Chart3.ChartAreas["ChartArea1"].AxisX.MajorGrid.Enabled = false;//不显示竖着的分割线
        Chart3.Series[0].IsValueShownAsLabel = true;//显示坐标值
        #endregion
    }

    protected void GetStyle4(DataTable dt)
    {
        #region 饼形图
        Chart4.DataSource = dt;//绑定数据
        Chart4.Series["Series1"].ChartType = System.Web.UI.DataVisualization.Charting.SeriesChartType.Pie;//设置图表类型
        Chart4.Series[0].XValueMember = "Country";//X轴数据成员列
        Chart4.Series[0].YValueMembers = "Score";//Y轴数据成员列
        Chart4.Series[0].LegendMapAreaAttributes = "Country"; //显示国家
        Chart4.Series[0].IsValueShownAsLabel = true;//显示坐标值
        #endregion

    }
    ///

    /// 创建一张二维数据表
    ///

    /// Datatable类型的数据表
    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[] { "中国","美国", "俄罗斯", "英国" };
        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;
    }
}