用OFC画多条曲线

    Open flash chart的使用文章已经很多了，这我就不多说了，贴段OFC画多条曲线的代码供大家学习参考,有不尽的地方请谅解，如果有疑问可以给我留言，也可以直接联系我。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Collections;
namespace OFCWeb
{
    /// <summary>
    /// $codebehindclassname$ 的摘要说明
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    public class Tline : IHttpHandler
    {

        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";  
            OFC.OFC chart = new OFC.OFC();          
            List<int> avgbid = new List<int>();
            List<string> avgbid_month = new List<string>();
            IList<int> list_used = new List<int>();
            OFC.Line line_avgbid = new OFC.Line();
            chart.Bgcolor = "#FFFFFF";
            if (false)
            {
                //line_avgbid.Text = "没有数据信息";
            }
            else
            {
                for (int i = 20; i < 30; i++)
                {
                    avgbid.Add(i);
                }
                for (int i = 0; i < 10; i++)
                {
                    list_used.Add(i);
                }
                line_avgbid.Values = avgbid;
                line_avgbid.Text = "二手房成交均价";
                line_avgbid.DotSize = 2;
                line_avgbid.DotStyleType.Tip = "#val#元/㎡";
                line_avgbid.Colour = "#6600cc";
                chart.Title = new OFC.Title("aa");
                line_avgbid.DotStyleType.Colour = "#6600cc";
                chart.AddElement(line_avgbid);

                OFC.Line line_used = new OFC.Line();
                line_used.Values = (IList)list_used;
                line_used.Text = "二手房挂牌均价";
                line_used.Colour = "#ff9900";
                line_used.DotStyleType.Tip = "#val#元/㎡";
                chart.AddElement(line_used);
                chart.Y_Legend = new OFC.Legend("");
                chart.Y_Axis.Max = 40;
                chart.Y_Axis.Min = 0;
                chart.Y_Axis.Steps = 2;
                chart.X_Axis.SetLabels(avgbid_month);
                chart.X_Axis.Labels.VisibleSteps = 4;
            }
            context.Response.Clear();
            context.Response.CacheControl = "no-cache";
            context.Response.Write(chart.ToPrettyString());
            context.Response.End();
            
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}