MsChart中添加、删除Series

MsChart中添加、删除Series

 <asp:Panel ID="panelch" runat="server" Visible="false" Style="margin-top: 99px; margin-left: 10px;">
        <asp:Chart ID="chAnalysis" Width="1025px" runat="server" BackGradientStyle="TopBottom"
            BackSecondaryColor="White" BackColor="WhiteSmoke" ImageLocation="~/TempImages/ChartPic_#SEQ(300,3)"
            Visible="False" OnClick="chAnalysis_Click">
            <Legends>
                <asp:Legend IsTextAutoFit="false" LegendStyle="Column" Docking="Bottom" Name="Default"
                    BackColor="Transparent" Font="Trebuchet MS, 8pt">
                    <Position Height="32" Width="20" X="85" Y="10" />
                </asp:Legend>
            </Legends>
            <Series>
                <asp:Series Name="ResultData" ChartType="Line">
                </asp:Series>
                <asp:Series Name="UpperLimit" ChartType="Line">
                </asp:Series>
                <asp:Series Name="LowerLimit" ChartType="Line">
                </asp:Series>
            </Series>
            <ChartAreas>
                <asp:ChartArea Name="ChartArea1" BorderColor="64,64,64,64" BackSecondaryColor="White"
                    BackColor="Gainsboro" ShadowColor="Transparent" BackGradientStyle="TopBottom">
                    <Area3DStyle Rotation="0" Perspective="10" Inclination="15" IsRightAngleAxes="false"
                        WallWidth="0" IsClustered="false" />
                    <AxisY>
                        <LabelStyle IntervalType="Number" />
                    </AxisY>
                </asp:ChartArea>
            </ChartAreas>
        </asp:Chart>
        <br />
        <asp:CheckBoxList ID="chbox" runat="server" Width="200" RepeatDirection="Horizontal"
            Style="float: left; background-color: White;">
            <asp:ListItem Text="结果" Value="0" Selected="True"></asp:ListItem>
            <asp:ListItem Text="上限" Value="1" Selected="True"></asp:ListItem>
            <asp:ListItem Text="下限" Value="2" Selected="True"></asp:ListItem>
        </asp:CheckBoxList>
        虚线
        <asp:TextBox ID="txtLine" runat="server" Width="100"></asp:TextBox>
        <asp:Button ID="btnCh" runat="server" Text="确定" OnClick="btnCh_Click" />
    </asp:Panel>

后台：

 #region 删除线或者添加线
    /// <summary>
    /// 删除线或者添加线
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnCh_Click(object sender, EventArgs e)
    {
        BindChart();
        this.chAnalysis.Visible = true;
        if (!chbox.Items[0].Selected)
        {
            for (int j = 0; j < this.chAnalysis.Series.Count; j++)
            {
                if (this.chAnalysis.Series[j].Name == "ResultData")
                {
                    this.chAnalysis.Series.Remove(this.chAnalysis.Series[j]);
                    break;
                }
            }
        }
        if (!chbox.Items[1].Selected)
        {
            for (int j = 0; j < this.chAnalysis.Series.Count; j++)
            {
                if (this.chAnalysis.Series[j].Name == "UpperLimit")
                {
                    this.chAnalysis.Series.Remove(this.chAnalysis.Series[j]);
                    break;
                }
            }
        }
        if (!chbox.Items[2].Selected)
        {
            for (int j = 0; j < this.chAnalysis.Series.Count; j++)
            {
                if (this.chAnalysis.Series[j].Name == "LowerLimit")
                {
                    this.chAnalysis.Series.Remove(this.chAnalysis.Series[j]);
                    break;
                }
            }
        }
        BindDotLine();
        
    }
    #endregion

    public void BindDotLine()
    {
        double d = 0.0;
        if (!string.IsNullOrEmpty(this.txtLine.Text.Trim()))
        {
            if (!double.TryParse(this.txtLine.Text.Trim(), out d))
            {
                return;
            }
            if (d > this.chAnalysis.ChartAreas[0].AxisY.Maximum)
            {
                return;
            }
            if (d < this.chAnalysis.ChartAreas[0].AxisY.Minimum)
            {
                return;
            }
            Series sline = new Series();
            sline.Name = "xuxian";
            sline.ChartType = SeriesChartType.Line;
            sline.BorderDashStyle = ChartDashStyle.Dot;
            if (ViewState["dt"] == null) { return; }
            DataTable dtResult = (DataTable)ViewState["dt"];
            for (int i = 0; i < dtResult.Rows.Count; i++)
            {
                sline.Points.AddXY(dtResult.Rows[i]["batch_name"].ToString(), d);
            }
            sline.LegendText = "虚线";
            this.chAnalysis.Series.Add(sline);
        }

 public void BindChart()
    {
        if (ViewState["dt"] == null) { return; }
        DataTable dtResult = (DataTable)ViewState["dt"];
        this.chAnalysis.Series["ResultData"].PostBackValue = "#AXISLABEL";
        this.chAnalysis.Series["ResultData"].LegendText = "结果";
        this.chAnalysis.Series["ResultData"].MarkerStyle = MarkerStyle.Square;
        this.chAnalysis.Series["ResultData"].ToolTip = "批次:\t#VALX\n结果:\t#VALY";
        this.chAnalysis.Series["UpperLimit"].MarkerStyle = MarkerStyle.Circle;
        this.chAnalysis.Series["UpperLimit"].LegendText = "上限";
        this.chAnalysis.Series["UpperLimit"].ToolTip = "上限:#VALY";
        this.chAnalysis.Series["LowerLimit"].MarkerStyle = MarkerStyle.Circle;
        this.chAnalysis.Series["LowerLimit"].LegendText = "下限";
        this.chAnalysis.Series["LowerLimit"].ToolTip = "下限:#VALY";
        this.chAnalysis.DataSource = dtResult;
        this.chAnalysis.Series["ResultData"].XValueMember = "batch_name";
        this.chAnalysis.Series["ResultData"].YValueMembers = "RESULTVALUE";
        this.chAnalysis.Series["LowerLimit"].XValueMember = "batch_name";
        this.chAnalysis.Series["LowerLimit"].YValueMembers = "MIN_LIMIT";
        this.chAnalysis.Series["UpperLimit"].XValueMember = "batch_name";
        this.chAnalysis.Series["UpperLimit"].YValueMembers = "MAX_LIMIT";
        this.chAnalysis.DataBind();
        DataTable newdt = CreateWarnTable();
        for (int j = 0; j < dtResult.Rows.Count; j++)
        {
            DataRow dr = newdt.NewRow();
            decimal lowerLimit = decimal.Parse(dtResult.Rows[j]["MIN_LIMIT"].ToString());
            decimal upperLimit = decimal.Parse(dtResult.Rows[j]["MAX_LIMIT"].ToString());
            decimal resultData = decimal.Parse(dtResult.Rows[j]["RESULTVALUE"].ToString());
            dr["MIN_LIMIT"] = lowerLimit;
            dr["MAX_LIMIT"] = upperLimit;
            dr["RESULTVALUE"] = resultData;
            dr["batch_name"] = dtResult.Rows[j]["batch_name"].ToString();
            dr["component_name"] = dtResult.Rows[j]["component_name"].ToString();
            if (resultData > upperLimit)
            {
                this.chAnalysis.Series["ResultData"].Points[j].MarkerColor = Color.Red;
                newdt.Rows.Add(dr);
            }
            if (resultData < lowerLimit)
            {
                this.chAnalysis.Series["ResultData"].Points[j].MarkerColor = Color.Red;
                newdt.Rows.Add(dr);
            }
        }
        chAnalysis.Titles.Add("检测项目质量回顾分析");
        DataView dv = dtResult.DefaultView;
        dv.Sort = "RESULTVALUE desc";
        double step = Math.Round((double.Parse(dv[0]["RESULTVALUE"].ToString()) - double.Parse(dv[dv.Count - 1]["RESULTVALUE"].ToString())) / 4, 1);
        double min = double.Parse(dv[dv.Count - 1]["RESULTVALUE"].ToString());
        chAnalysis.ChartAreas[0].AxisY.Maximum = (double)(double.Parse(dv[0]["RESULTVALUE"].ToString()) + step);
        chAnalysis.ChartAreas[0].AxisY.Minimum = min - step <= 0 ? 0 : min - step;
        chAnalysis.ChartAreas[0].AxisY.Interval = step;
        chAnalysis.ChartAreas[0].AxisX.Interval = 1;
        this.GridView1.DataSource = newdt;
        this.GridView1.DataBind();
    }