C 实现统计图分析和总结.docxVIP

以柱状图为例首先从工具箱托取一个ChartControl可以设置它的数据源在这里我准备在后台动态设置它的数据源

s4.JPG(53.31KB)

s4.JPG

代码如下

程序代码：

usingSystem;

usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;

usingSystem.Drawing;usingSystem.Text;

usingSystem.Windows.Forms;usingDevExpress.XtraCharts;

namespaceWindowsApplication8

{

publicpartialclassForm1:Form

{

publicForm1()

{

InitializeComponent();

}

privateDataTableCreateChartData()

{

//Createanemptytable.

DataTabletable=newDataTable(Table1);

//Addthreecolumnstothetable.table.Columns.Add(Language,typeof(String));table.Columns.Add(Section,typeof(String));table.Columns.Add(Value,typeof(Decimal));

//Adddatarowstothetable.

15});

10.123});

}

table.Rows.Add(newobject[]{C#,Section1,10.123});table.Rows.Add(newobject[]{JAVA,Section2,20});table.Rows.Add(newobject[]{C++,Section3,20});

table.Rows.Add(newobject[]{F#,Section4,30});

table.Rows.Add(newobject[]{JAVASCRIPT,Section5,

table.Rows.Add(newobject[]{VB,Section6,25});table.Rows.Add(newobject[]{VB.NET,Section7,

table.Rows.Add(newobject[]{C,Section8,20});

table.Rows.Add(newobject[]{PHP,Section9,20});

table.Rows.Add(newobject[]{PB,Section10,30});

table.Rows.Add(newobject[]{VF,Section11,15});returntable;

privatevoidForm1_Load(objectsender,EventArgse)

{

Section;

//Generateadatatableandbindthecharttoit.chartControl1.DataSource=CreateChartData();

//Specifydatamemberstobindthechartsseriestemplate.chartControl1.SeriesDataMember=LANGUAGE;chartControl1.SeriesTemplate.ArgumentDataMember=

chartControl1.SeriesTemplate.ValueDataMembers.AddRange(ne

wstring[]{Value});

//SpecifythetemplatesseriesviewchartControl1.SeriesTemplate.View=new

StackedBarSeriesView();

//Specifythetemplatesnameprefix.chartControl1.SeriesNameTemplate.BeginText=LANGUAGE:;

//Dockthechartintoitsparent,andaddittothecurrent

form.

chartControl1.Dock=DockStyle.Fill;