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C# 图表,显示列表中的数据_C#_Asp.net_Asp.net Mvc_Asp.net Mvc 4_Charts - Fatal编程技术网

C# 图表,显示列表中的数据

C# 图表,显示列表中的数据,c#,asp.net,asp.net-mvc,asp.net-mvc-4,charts,C#,Asp.net,Asp.net Mvc,Asp.net Mvc 4,Charts,我正在尝试在asp.net aspx视图中显示图形 在我的aspx文件中,我有以下内容: <asp:Chart ID="Chart1" runat="server" OnLoad="Chart1_Load"> <series> <asp:Series Name="Series1"> <Points> <asp:DataPoint AxisLabel="Test 1" YValues="10"

我正在尝试在asp.net aspx视图中显示图形 在我的aspx文件中,我有以下内容:

<asp:Chart ID="Chart1" runat="server" OnLoad="Chart1_Load">
    <series>
        <asp:Series Name="Series1">
              <Points> <asp:DataPoint AxisLabel="Test 1" YValues="10" />
        <asp:DataPoint AxisLabel="Test 2" YValues="20" />

        <asp:DataPoint AxisLabel="Test 3" YValues="30" />
        <asp:DataPoint AxisLabel="Test 4" YValues="40" />
            </Points>
        </asp:Series>
    </series>
    <chartareas>
        <asp:ChartArea Name="ChartArea1">
        </asp:ChartArea>
    </chartareas>
</asp:Chart>
我还有一个列表,其中包含aspx中的整数值

<%
   List<int> timeList = new List<int>();
%>
在aspx中,我将数据放入列表中

我的问题是我想, 我希望从列表中获取值,而不是YValues=30

我很难实现这一点。我花了很多时间试图找到这个问题

protected void Page_Load(object sender, EventArgs e)
{
    if (!Page.IsPostBack)
    {
        DataTable dt = GetTestData();
        LoadChartCurrencyTotal(dt);
    }
}

private void LoadChartCurrencyTotal(DataTable initialDataSource)
{
    for (int i = 1; i < initialDataSource.Columns.Count; i++)
    {
        Series series = new Series();
        foreach (DataRow dr in initialDataSource.Rows)
        {
            int y = (int)dr[i];
            series.Points.AddXY(dr["Data"].ToString(), y);
        }
        Chart1.Series.Add(series);
    }
}

private DataTable GetTestData()
{
    DataTable dt = new DataTable();
    dt.Columns.Add("Data", Type.GetType("System.String"));
    dt.Columns.Add("Value1", Type.GetType("System.Int32"));
    dt.Columns.Add("Value2", Type.GetType("System.Int32"));
    dt.Columns.Add("Value3", Type.GetType("System.Int32"));
    DataRow dr1 = dt.NewRow();
    dr1["Data"] = "series1";
    dr1["Value1"] = 32;
    dr1["Value2"] = -2;
    dr1["Value3"] = 46;
    dt.Rows.Add(dr1);
    DataRow dr2 = dt.NewRow();
    dr2["Data"] = "series2";
    dr2["Value1"] = -62;
    dr2["Value2"] = 0;
    dr2["Value3"] = 99;
    dt.Rows.Add(dr2);
    DataRow dr3 = dt.NewRow();
    dr3["Data"] = "series3";
    dr3["Value1"] = 19;
    dr3["Value2"] = 23;
    dr3["Value3"] = 98;
    dt.Rows.Add(dr3);
    return dt;
}