如何在asp.net中添加图表

问题描述

如何在页面中添加图表取决于sql命令

我使用上面的代码，但是当我运行它时，它显示为空白

how to add chart in page depend on sql command

i use the above code,but when i run this it shows blank

<asp:Chart ID="Chart1" runat="server" DataSourceID="SqlDataSource1"

            Height="245px" Width="285px">
            <Titles>
      <asp:Title Text="Coils status"></asp:Title>
   </Titles>
            <Series>
                <asp:Series Name="Series1" ChartType="Line">
                </asp:Series>
            </Series>
            <ChartAreas>
                <asp:ChartArea Name="ChartArea1">
                    <AxisY Title="coil id">
                    </AxisY>
                    <AxisX Title="status">
                    </AxisX>
                </asp:ChartArea>
            </ChartAreas>
        </asp:Chart>

<asp:SqlDataSource ID="SqlDataSource1" runat="server"

            ConnectionString="<%$ ConnectionStrings:ConnectionString %>"

            ProviderName="<%$ ConnectionStrings:ConnectionString.ProviderName %>"



            SelectCommand="SELECT PDL_ID_COIL, PDL_CD_STATUS FROM V_PR_DATA_IP_CG2 WHERE (PDL_CD_STATUS = 'UP') OR (PDL_CD_STATUS = 'WW') OR (PDL_CD_STATUS = 'WS') OR (PDL_CD_STATUS = 'WC') ORDER BY PDL_CD_STATUS">
        </asp:SqlDataSource>

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