owc11生成饼状图

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Web;

using System.Web.SessionState;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.HtmlControls;

using OWC11;

namespace WebApplication1

{

/// <summary>

/// WebForm3 的摘要说明。

/// </summary>

public class WebForm3 : System.Web.UI.Page

{

protected System.Web.UI.WebControls.PlaceHolder ChartHolder;

private void Page_Load(object sender, System.EventArgs e)

{

// 在此处放置用户代码以初始化页面

//创建ChartSpace对象来放置图表

OWC11.ChartSpace objCSpace = new OWC11.ChartSpaceClass ();

//在ChartSpace对象中添加图表，Add方法返回chart对象

OWC11.ChChart objChart = objCSpace.Charts.Add (0);

//指定图表的类型。类型由OWC11.ChartChartTypeEnum枚举值得到

objChart.Type = OWC11.ChartChartTypeEnum.chChartTypePie ;

//指定图表是否需要图例

objChart.HasLegend = true;

//给定标题

objChart.HasTitle = true;

objChart.Title.Caption= "上半年分布图";

//计算数据

//categories 和 values 可以用tab分割的字符串来表示*/

string strSeriesName = "图例 1";

string strCategory = "1" + \'\t\' + "2" + \'\t\' + "3" + \'\t\'+"4" + \'\t\' + "5" + \'\t\' + "6" + \'\t\';

string strValue = "9" + \'\t\' + "8" + \'\t\' + "4" + \'\t\'+"10" + \'\t\' + "12" + \'\t\' + "6" + \'\t\';

//添加一个series

objChart.SeriesCollection.Add(0);

//给定series的名字

objChart.SeriesCollection[0].SetData (OWC11.ChartDimensionsEnum.chDimSeriesNames,

(int)OWC11.ChartSpecialDataSourcesEnum.chDataLiteral, strSeriesName);

//给定分类

objChart.SeriesCollection[0].SetData (OWC11.ChartDimensionsEnum.chDimCategories,

(int)OWC11.ChartSpecialDataSourcesEnum.chDataLiteral, strCategory);

//给定值

objChart.SeriesCollection[0].SetData

(OWC11.ChartDimensionsEnum.chDimValues,

(int)OWC11.ChartSpecialDataSourcesEnum.chDataLiteral, strValue);

OWC11.ChDataLabels dls = objChart.SeriesCollection[0].DataLabelsCollection.Add();

dls.HasValue = true;

dls.HasPercentage=true;

dls.Font .Name="宋体";

//输出成GIF文件.

string strAbsolutePath = (Server.MapPath(".")) + "\\test.gif";

objCSpace.ExportPicture(strAbsolutePath, "GIF", 600, 450);

//创建GIF文件的相对路径.

string strRelativePath = "./test.gif";

//把图片添加到placeholder.

string strImageTag = "<IMG SRC=\'"+strRelativePath+"\'/>";

ChartHolder.Controls.Add(new LiteralControl(strImageTag));

}

Web 窗体设计器生成的代码

}