Статья: ASP.NET пример построения круговой диаграммы

<%@ Page Language="VB" ContentType="image/jpeg" %>

<%@ Import Namespace="System.Drawing" %>

<%@ Import Namespace="System.Drawing.Imaging" %>

<%@ Import Namespace="System.Drawing.Drawing2D" %>

<%

Response.Clear()

Dim height As Integer = 200

Dim width As Integer = 320

Dim x As Integer

Dim i As Integer

Dim start_angle As Integer

Dim pie_size As Integer

Dim sub_total As Integer

Dim offset As Integer

Dim diameter As Integer

Dim arrData() As Integer = {75, 45, 19, 10, 55} ' значения

Dim arrProcent(4) As Integer

Dim total As Integer

Dim arrColor() As Object = {Color.Salmon, Color.SeaGreen, Color.Gold, Color.Maroon, Color.Orchid}

Dim arrTitle() As String = {"Пункт1", "Пункт2", "Пункт3", "Пункт4", "Пункт5"}

Dim rect As Object

sub_total = 0

start_angle = 0

offset = 20

diameter = 170

total = 0

Dim bmp As New Bitmap(width, height, PixelFormat.Format32bppArgb)

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