/// <summary>
  /// 生成统计图表
  /// </summary>
  private void MakeLineChart()
  {
//Y坐标轴
   string[] DataName = { "星期一","星期二","星期三","星期四","星期五","星期六","星期日" };
//第一条曲线的数据
   int [] Data = { 0,10,20,100,40,50,60 };
//第二条曲线的数据
   int[] Data1 = {100,50,41,86};
//第三条曲线的数据
   int [] Data2 = { 10,50,100,30,50,60 };
   string strValue1 = "";
   string strValue = "";
   string strValue2 = "";

string strCateory = "";

//循环取得数据并格式化为OWC需要的格式,(加'\t')
   for( int i = 0; i < DataName.Length; i++ )
   {
    strCateory += DataName[i] + '\t';
   }
   for( int i=0 ; i< Data.Length; i++ )
   {
    strValue += Data[i].ToString() + '\t';
   }
   for( int i=0 ; i< Data1.Length; i++ )
   {
    strValue1 += Data1[i].ToString() + '\t';
   }
   for( int i=0 ; i< Data2.Length; i++ )
   {
    strValue2 += Data2[i].ToString() + '\t';
   }

   //创建ChartSpace对象来放置图表
   OWC.ChartSpace mySpace = new OWC.ChartSpaceClass();
   //在ChartSpace对象中添加图表,Add方法返回chart对象
   OWC.WCChart myChart = mySpace.Charts.Add(0);
   //指定图表的类型为线性图
   myChart.Type = OWC.ChartChartTypeEnum.chChartTypeSmoothLine;
   //指定图表是否需要图例
   myChart.HasLegend = true;
   //给定标题
   myChart.HasTitle = true;
   myChart.Title.Caption = "交易曲线图";
   //给定X\Y轴的图示说明
   myChart.Axes[0].HasTitle = true;
   myChart.Axes[0].Title.Caption = "数量";
   myChart.Axes[1].HasTitle = true;
   myChart.Axes[1].Title.Caption = "日期";
   //添加一个series
   myChart.SeriesCollection.Add(0);
   //给定series的名字
   myChart.SeriesCollection[0].SetData( OWC.ChartDimensionsEnum.chDimSeriesNames,(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,"购买" );
   //给定series的分类
   myChart.SeriesCollection[0].SetData( OWC.ChartDimensionsEnum.chDimCategories,(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,strCateory );
   //给定具体值
   myChart.SeriesCollection[0].SetData( OWC.ChartDimensionsEnum.chDimValues,(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,strValue );

   //添加一个series
   myChart.SeriesCollection.Add(1);
   //给定series的名字
   myChart.SeriesCollection[1].SetData( OWC.ChartDimensionsEnum.chDimSeriesNames,(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,"出售" );
   //给定series的分类
   myChart.SeriesCollection[1].SetData( OWC.ChartDimensionsEnum.chDimCategories,(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,strCateory );
   //给定具体值
   myChart.SeriesCollection[1].SetData( OWC.ChartDimensionsEnum.chDimValues,(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,strValue1 );

   //添加一个series
   myChart.SeriesCollection.Add(2);
   //给定series的名字
   myChart.SeriesCollection[2].SetData( OWC.ChartDimensionsEnum.chDimSeriesNames,(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,"总成交" );
   //给定series的分类
   myChart.SeriesCollection[2].SetData( OWC.ChartDimensionsEnum.chDimCategories,(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,strCateory );
   //给定具体值
   myChart.SeriesCollection[2].SetData( OWC.ChartDimensionsEnum.chDimValues,(int)OWC.ChartSpecialDataSourcesEnum.chDataLiteral,strValue2 );

   //输出成GIF文件
   string strAbsolutePath = ( Server.MapPath(".") ) + @"\Images\tempChart.gif";
   mySpace.ExportPicture( strAbsolutePath,"GIF",300,300 );
   //创建GIF文件的相对路径
   string strRelativePath = "../Images/tempChart.gif";
   //把图片添加到Image
   Image.ImageUrl = strRelativePath;
  }//end