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Re: How to give back to an image using "Net/Link" and "asp.net"?
- To: mathgroup at smc.vnet.net
- Subject: [mg46866] Re: How to give back to an image using "Net/Link" and "asp.net"?
- From: albert_666 at hotmail.com (Roger)
- Date: Fri, 12 Mar 2004 02:02:50 -0500 (EST)
- References: <c2lph7$9c6$1@smc.vnet.net> <c2p9bo$dm3$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hello Michel
Thank you very much by your answer.
It already modifies the lines that you indicated to me, but still
profit not to show the image in WebForm1.aspx
Next I show the code to you of the archives: WebForm1.asp,
WebForm2.aspx and WebForm2.aspx.vb to see if you can please find some
error or something that I need.
----------------------------------------------------------------------------
WebForm1.aspx:
<%@ Page Language="vb" AutoEventWireup="false"
Codebehind="WebForm1.aspx.vb" Inherits="WebCalculo.WebForm1"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<title>WebForm1</title>
<meta name="GENERATOR" content="Microsoft Visual Studio .NET
7.1">
<meta name="CODE_LANGUAGE" content="Visual Basic .NET 7.1">
<meta name=vs_defaultClientScript content="JavaScript">
<meta name=vs_targetSchema
content="http://schemas.microsoft.com/intellisense/ie5";>
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<IMG style="Z-INDEX: 101; LEFT: 24px; WIDTH: 192px; POSITION:
absolute; TOP: 24px; HEIGHT: 168px"
height="168" alt="" src="WebForm2.aspx" width="192">
</form>
</body>
</HTML>
---------------------------------------------------------------------------
WebForm2.aspx:
<%@ Page Language="vb" AutoEventWireup="false"
Codebehind="WebForm2.aspx.vb" Inherits="WebCalculo.WebForm2"%>
----------------------------------------------------------------------------
WebForm2.aspx.vb:
Imports System.Drawing
Imports System.Drawing.Imaging
Imports Wolfram.NETLink
Public Class WebForm2
Inherits System.Web.UI.Page
Private mathKernel As New Wolfram.NETLink.MathKernel
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles MyBase.Load
If (mathKernel.IsComputing()) Then
mathKernel.Abort()
Else
mathKernel.CaptureGraphics = True
mathKernel.Compute("Plot[x,{x,0,1}]")
mathKernel.Graphics(0).Save(Response.OutputStream,
System.Drawing.Imaging.ImageFormat.Jpeg)
End If
End Sub
End Class
Thanks.
"Hans Michel" <hansjm at bellsouth.net> wrote in message news:<c2p9bo$dm3$1 at smc.vnet.net>...
> Hi.
>
> WebForm2.aspx
> HTML page should contain only the page directive
>
> <%@ Page ... Should also have
>
> EnableSessionState = False enableViewStae=False aspCompat="True"
>
> No html code at all.
>
> in the code behind
>
> I think your missing this
>
> Do not use Response.Write and don't ne to tell the content type.
> just use
> mathkernel.Graphics(0).Save(Response.OutputStream,
> System.Drawing.Imaging.ImageFormat.Jpeg)
>
> Hans
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