用ASP.NET动态生成图像（转2）
减小字体
增大字体<script language="VB" runat=server>
Sub ChartBtn_Click(Sender as Object, E as EventArgs)
chart.ImageUrl = "ImageGenerator_Vb.aspx?"
chart.Visible = true
For i=0 to Stocks.Items.Count-1
If (Stocks.Items(i).Selected = true) Then
chart.ImageUrl = chart.ImageUrl & "symbols=" & Stocks.Items(i).Value & "&"
End If
Next
End Sub
</script>
<html>
<body>
<form runat=server>
<h1>Scott's Stock Picker</h1>
<asp:checkboxlist id="Stocks" runat=server>
<asp:listitem>MSFT</asp:listitem>
<asp:listitem>SUN</asp:listitem>
</asp:checkboxlist>
<asp:button text="Chart Your Selected Stocks" runat=server/>
<hr>
<asp:Image id="chart" ImageUrl="" Visible=false runat=server/>
</form>
</body>
</html>
ImageGenerator_VB.aspx:
<%@ Page Language="VB" ContentType="image/jpeg" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="System.Drawing.Imaging" %>
<%@ Import Namespace="ChartGenerator" %>
<%@ OutputCache Duration="10" %>
<script language="VB" runat=server>
Function GetStockDetails(Symbol as String) as ChartLine
Dim myChartLine as new ChartLine
if (symbol = "msft") then
Dim StockValues() as Single = { 60, 110, 120, 180, 185, 190, 240, 290 }
myChartLine.Width = 5
myChartLine.Color = Color.Blue
myChartLine.LineStyle = DashStyle.Solid
myChartLine.Title = "Microsoft Corp. (MSFT)"
myChartLine.Symbol = "MSFT"
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中查找“用ASP.NET动态生成图像（转2）”更多相关内容