Asp.net之MsChart控件动态绑定温度曲线图

<div>
        <div style="position: absolute; z-index: 200; background-color: #FFFFFF; height: 130px;
             47px; top: 168px; left: 10px;">
            <br />
            <br />
        <span style="color: Red; font-size: 12px;">最高(℃)</span> </br></br>
            <span style="color: Blue; font-size: 12px;">最低(℃)</span>
        </div>
        <div style="position: absolute; z-index: 30; height: 119px;  729px; left: 31px;">
            <asp:Chart ID="Chart1" runat="server" Height="145px" IsSoftShadows="False" Palette="None"
                Style="margin-left: 0px" Width="729px">
                <Series>
                    <asp:Series ChartArea="ChartArea1" ChartType="Line" IsValueShownAsLabel="True" MarkerSize="10"
                        MarkerStyle="Circle" Name="Series2" BorderColor="Red" LabelBorderColor="Transparent"
                        MarkerBorderColor="Transparent" MarkerColor="Red">
                    </asp:Series>
                    <asp:Series ChartArea="ChartArea1" ChartType="Line" IsValueShownAsLabel="True" MarkerSize="10"
                        MarkerStyle="Circle" Name="Series4" BorderColor="Blue" MarkerColor="Blue">
                    </asp:Series>
                </Series>
                <ChartAreas>
                    <asp:ChartArea Name="ChartArea1">
                    </asp:ChartArea>
                </ChartAreas>
            </asp:Chart>
        </div>
    </div>

 string conn = ConfigurationManager.AppSettings["ConnectionString1"].ToString();
        DataTable dtTable = new DataTable();
        protected void Page_Load(object sender, EventArgs e)
        {
           
            double[] xValues = { 1, 2, 3, 4, 5, 6, 7 };
            GetData();
            Chart1.DataSource = dtTable;
            int len = dtTable.Rows.Count;

            double[] yValues = new double[len];
            double[] y2Values = new double[len];
            for (int i = 0; i < dtTable.Rows.Count; i++)
            {
                yValues[i] =Convert.ToDouble( dtTable.Rows[i]["Temperature_max_60"].ToString());
                y2Values[i] = Convert.ToDouble( dtTable.Rows[i]["Temperature_min_60"].ToString());
            }
            Chart1.Series["Series2"].Points.DataBindXY(xValues, yValues);
            Chart1.Series["Series4"].Points.DataBindXY(xValues, y2Values);


           
            Chart1.ChartAreas["ChartArea1"].Position.X = 0;
            Chart1.ChartAreas["ChartArea1"].Position.Y = 0;
            Chart1.ChartAreas["ChartArea1"].Position.Height = 100;
            Chart1.ChartAreas["ChartArea1"].Position.Width = 100;
            Chart1.ChartAreas["ChartArea1"].AxisX.Minimum = 1;
            Chart1.ChartAreas["ChartArea1"].AxisX.Maximum = 7.05;
            Chart1.ChartAreas["ChartArea1"].AxisX.Interval = 1;
            Chart1.ChartAreas["ChartArea1"].AxisX.IntervalAutoMode = IntervalAutoMode.FixedCount;
            Chart1.ChartAreas["ChartArea1"].BorderColor = Color.Gray;
            Chart1.ChartAreas["ChartArea1"].AxisX.LineColor = Color.Gray;
            Chart1.ChartAreas["ChartArea1"].AxisY.LineColor = Color.Gray;
            Chart1.ChartAreas["ChartArea1"].AxisX.MajorGrid.LineColor = Color.Gray;
            Chart1.ChartAreas["ChartArea1"].AxisY.MajorGrid.LineColor = Color.Gray;
            Chart1.ChartAreas["ChartArea1"].AxisX.LabelStyle.ForeColor = Color.Transparent;
            Chart1.ChartAreas["ChartArea1"].AxisY.LabelStyle.ForeColor = Color.Transparent;
            Chart1.Series["Series2"].Color = Color.Red;
            Chart1.Series["Series4"].Color = Color.Blue;

          
        }
        public DataTable GetData()
        {
            SqlConnection con = new SqlConnection(conn);
            con.Open();
            string strsql = "SELECT top 7 CollectDate, zdz_min .Station, Temperature, Temperature_max_60, Temperature_max_time, Temperature_min_60, Temperature_min_time, AirPressure, Rain_sum_60, RelativeHumidity, RelativeHumidity_min_60, RelativeHumidity_min_time, WindDirection, WindSpeed, WindDirection_aver_2, WindSpeed_aver_2, WindDirection_Flurry_max, WindSpeed_Flurry_max, Wind_Flurry_max_time, Visibility, Visibility_min_60 FROM zdz_min  where station between 98000 and 99501 or station =58366  order by zdz_min.CollectDate desc";
            SqlCommand cmd = new SqlCommand(strsql, con);
            SqlDataAdapter sda = new SqlDataAdapter(cmd);

            sda.Fill(dtTable);
            return dtTable;
        }