<system.web>
<httpHandlers>
<add path="ChartImg.axd" verb="GET,HEAD,POST" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false" />
</httpHandlers>
<pages validateRequest="false">
<controls>
<add tagPrefix="asp" namespace="System.Web.UI.DataVisualization.Charting"
assembly="System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
</controls>
</pages>
</system.web>
<system.webServer>
<modules runAllManagedModulesForAllRequests="true" />
<handlers>
<remove name="ChartImageHandler" />
<add name="ChartImageHandler" preCondition="integratedMode" verb="GET,HEAD,POST"
path="ChartImg.axd" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
</handlers>
</system.webServer>
配置文件
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ChartFirst.aspx.cs" Inherits="ChartFirst" %>
<%@ Register Assembly="System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
Namespace="System.Web.UI.DataVisualization.Charting" TagPrefix="asp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>雷达图</title>
</head>
<body>
<form id="form1" runat="server">
<table>
<tr>
<td>
<asp:Chart ID="Chart1" runat="server" Width="600px" Height="600px" Visible="false" BackColor="#e7f6ff">
<Titles>
<asp:Title Text="雷达图">
<Position Y="95" X="50"></Position>
</asp:Title>
</Titles>
<Series>
<asp:Series Name="Series1" Color="Red" ChartArea="ChartArea1" ChartType="Radar" IsValueShownAsLabel="false"
BorderWidth="2">
</asp:Series>
</Series>
<ChartAreas>
<asp:ChartArea Name="ChartArea1" AlignmentOrientation="Vertical">
<AxisY LineColor="64, 64, 64, 64">
<LabelStyle Font="宋体, 8.25pt" />
<MajorGrid LineColor="silver" />
<MajorTickMark Size="0" />
</AxisY>
<AxisX LineColor="64, 64, 64, 64">
<LabelStyle Font="宋体, 8.25pt" />
</AxisX>
<Position Y="0" Height="100" Width="100" X="0"></Position>
</asp:ChartArea>
</ChartAreas>
</asp:Chart>
</td>
</tr>
</table>
<input id="hidSrc" name="hidSrc" type="hidden" runat="server" />
</form>
</body>
</html>
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
GetCharData();
}
}
/// <summary>
/// 绑定雷达图
/// </summary>
private void GetCharData()
{
DataTable dt = 获取数据;
List<实体类> list = DataTableToList<实体类>.ConvertToList(dt);
Chart1.Visible = true;
Chart1.Series["Series1"].Points.DataBind(list, "绑定的字段", "TempScore", "Tooltip=TempScore,Url=LinkUrl");
Chart1.Series["Series1"]["AreaDrawingStyle"] = "Polygon";
Chart1.Series["Series1"]["RadarDrawingStyle"] = "Line";
if (point != 0)
{
Chart1.ChartAreas["ChartArea1"].AxisY.Interval = point / 5;
Chart1.ChartAreas["ChartArea1"].AxisY.Maximum = point;
Chart1.ChartAreas["ChartArea1"].AxisY.Minimum = 0;
}
}
}
后台代码
时间： 2024-08-08 09:42:46