VC# TMSChart图形绘制

来源：互联网发布：vscode react 编辑：程序博客网时间：2024/06/11 06:14

使用前必須安裝組件，我是使用VS2010，忘了當初有沒有裝(半個月前的事...)

Microsoft Chart Controls for Microsoft .NET Framework 3.5

Microsoft Chart Controls for Microsoft .NET Framework 3.5 語言套件

Microsoft Chart Controls Add-on for Microsoft Visual Studio 2008 (裝完後可以在工具箱拖曳使用)

Microsoft Chart Controls for .NET Framework Documentation (安裝及使用說明文件)

MSChart - 使用直條圖&恆條圖

01using System.Web.UI.DataVisualization.Charting;
02using System.Drawing;
03 
04namespace Chart.AJAX
05{
06    public partial class Export_AJAX : System.Web.UI.Page
07    {
08        void CreateChart()
09        {
10            string[] xValues = { "數值1", "數值2" };
11            string[] titleArr = {"活動1", "活動2"};
12            int[] yValues = {269000, 94};
13            int[] yValues2 = {120300, 116};
14 
15            //ChartAreas,Series,Legends 基本設定--------------------------------------------------
16            Chart Chart1 = new Chart();
17            Chart1.ChartAreas.Add("ChartArea1"); //圖表區域集合
18            Chart1.Series.Add("Series1"); //數據序列集合
19            Chart1.Series.Add("Series2");
20            Chart1.Legends.Add("Legends1"); //圖例集合
21 
22            //設定 Chart
23            Chart1.Width = 700;
24            Chart1.Height = 400;
25            Title title = new Title();
26            title.Text = "長條圖";
27            title.Alignment = ContentAlignment.MiddleCenter;
28            title.Font = new System.Drawing.Font("Trebuchet MS", 14F, FontStyle.Bold);
29            Chart1.Titles.Add(title);
30 
31            //設定 ChartArea----------------------------------------------------------------------
32            Chart1.ChartAreas["ChartArea1"].Area3DStyle.Enable3D = true; //3D效果
33            Chart1.ChartAreas["ChartArea1"].Area3DStyle.IsClustered = true; //並排顯示
34            Chart1.ChartAreas["ChartArea1"].Area3DStyle.Rotation = 40; //垂直角度
35            Chart1.ChartAreas["ChartArea1"].Area3DStyle.Inclination = 50; //水平角度
36            Chart1.ChartAreas["ChartArea1"].Area3DStyle.PointDepth = 30; //數據條深度
37            Chart1.ChartAreas["ChartArea1"].Area3DStyle.WallWidth = 0; //外牆寬度
38            Chart1.ChartAreas["ChartArea1"].Area3DStyle.LightStyle = LightStyle.Realistic; //光源
39            Chart1.ChartAreas["ChartArea1"].BackColor = Color.FromArgb(240, 240, 240); //背景色
40            Chart1.ChartAreas["ChartArea1"].AxisX2.Enabled = AxisEnabled.False; //隱藏 X2 標示
41            Chart1.ChartAreas["ChartArea1"].AxisY2.Enabled = AxisEnabled.False; //隱藏 Y2 標示
42            Chart1.ChartAreas["ChartArea1"].AxisY2.MajorGrid.Enabled = false;   //隱藏 Y2 軸線
43            //Y 軸線顏色
44            Chart1.ChartAreas["ChartArea1"].AxisY.MajorGrid.LineColor = Color.FromArgb(150, 150, 150);
45            //X 軸線顏色
46            Chart1.ChartAreas["ChartArea1"].AxisX.MajorGrid.LineColor = Color.FromArgb(150, 150, 150);
47            Chart1.ChartAreas["ChartArea1"].AxisY.LabelStyle.Format = "#,###";
48            //Chart1.ChartAreas["ChartArea1"].AxisY2.Maximum = 160;
49            //Chart1.ChartAreas["ChartArea1"].AxisY2.Interval = 20;
50 
51            //設定 Legends------------------------------------------------------------------------               
52            Chart1.Legends["Legends1"].DockedToChartArea = "ChartArea1"; //顯示在圖表內
53            //Chart1.Legends["Legends1"].Docking = Docking.Bottom; //自訂顯示位置
54            Chart1.Legends["Legends1"].BackColor = Color.FromArgb(235, 235, 235); //背景色
55            //斜線背景
56            Chart1.Legends["Legends1"].BackHatchStyle = ChartHatchStyle.DarkDownwardDiagonal;
57            Chart1.Legends["Legends1"].BorderWidth = 1;
58            Chart1.Legends["Legends1"].BorderColor = Color.FromArgb(200, 200, 200);
59 
60            //設定 Series-----------------------------------------------------------------------
61            Chart1.Series["Series1"].ChartType = SeriesChartType.Column; //直條圖
62            //Chart1.Series["Series1"].ChartType = SeriesChartType.Bar; //橫條圖
63            Chart1.Series["Series1"].Points.DataBindXY(xValues, yValues);
64            Chart1.Series["Series1"].Legend = "Legends1";
65            Chart1.Series["Series1"].LegendText = titleArr[0];
66            Chart1.Series["Series1"].LabelFormat = "#,###"; //金錢格式
67            Chart1.Series["Series1"].MarkerSize = 8; //Label 範圍大小
68            Chart1.Series["Series1"].LabelForeColor = Color.FromArgb(0, 90, 255); //字體顏色
69            //字體設定
70            Chart1.Series["Series1"].Font = new System.Drawing.Font("Trebuchet MS", 10, System.Drawing.FontStyle.Bold);
71            //Label 背景色
72            Chart1.Series["Series1"].LabelBackColor = Color.FromArgb(150, 255, 255, 255);
73            Chart1.Series["Series1"].Color = Color.FromArgb(240, 65, 140, 240); //背景色
74            Chart1.Series["Series1"].IsValueShownAsLabel = true; // Show data points labels
75 
76            Chart1.Series["Series2"].Points.DataBindXY(xValues, yValues2);
77            Chart1.Series["Series2"].Legend = "Legends1";
78            Chart1.Series["Series2"].LegendText = titleArr[1];
79            Chart1.Series["Series2"].LabelFormat = "#,###"; //金錢格式
80            Chart1.Series["Series2"].MarkerSize = 8; //Label 範圍大小
81            Chart1.Series["Series2"].LabelForeColor = Color.FromArgb(255, 103, 0);
82            Chart1.Series["Series2"].Font = new System.Drawing.Font("Trebuchet MS", 10, FontStyle.Bold);
83            Chart1.Series["Series2"].LabelBackColor = Color.FromArgb(150, 255, 255, 255);
84            Chart1.Series["Series2"].Color = Color.FromArgb(240, 252, 180, 65); //背景色
85            Chart1.Series["Series2"].IsValueShownAsLabel = true; //顯示數據
86            Page.Controls.Add(Chart1);
87 
88            //Data Table
89            string output = "..."; //output data table
90            Label label = new Label();
91            label.Text = output;
92            Page.Controls.Add(label);
93        }
94    }
95}

跑出來的圖差不多就長這樣，其中 Series1 是藍色的，Series2 是橘色

直條圖跟橫條圖其實只要改變 SeriesChartType.Column 或 SeriesChartType.Bar 就好了，其他東西都不用做更動

只是裡面有一個 Chart1.Series["Series1"].LabelFormat = "#,###"; //金錢格式

改成橫條圖時會出錯，可能設定的格式不標準之類的？有時間在摸索

另外筆記一下：

可以看到裡面有這些宣告

1Chart Chart1 = new Chart();
2Chart1.ChartAreas.Add("ChartArea1"); //圖表區域集合
3Chart1.Series.Add("Series1"); //數據序列集合
4Chart1.Series.Add("Series2");
5Chart1.Legends.Add("Legends1"); //圖例集合

很多範例都可以看到 Chart1.Series["Default"]

一開始接觸看不太懂，自己在 .cs 新增了 Chart1.Series.Add("Series1");

然後卻跟著範例用 Chart1.Series["Default"] ...，導致一直出現找不到 Default 之類的錯誤

因為範例大多都先在 .aspx 拉好，順便設定好，所以就亂用

後來才發現原來 Default 是自己命名的...

所以 Chart1.Series.Add("Series1"); ，就必須 Chart1.Series["Series1"]....

還有 Chart1.Series["Series1"].ChartType ...　等於　Chart1.Series[0].ChartType ...

一開始宣告一定要命名，之後要用 Chart1.Series["第n個Series"] 還是 Chart1.Series[n] 都可以

當然 ChartAreas、Legends 是一樣的道理

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