OnLoad event in ASP .NET not triggering

I'm currently dealing with a workaround that functions properly on my local system but fails to work after I deploy it to our server.

The issue involves a webpage that launches an EXE file and then closes the webpage. Everything runs smoothly locally, but once it's published to the server, the EXE doesn't run. I have double-checked that the file path is correct from the server.

This is the code for my Web Page:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="EmailSignature_EXEC.aspx.cs" Inherits="_Default" %>

<html>
<head>
    <title></title>
<script>
function loaded()
{
    window.setTimeout(CloseMe, 500);
}

function CloseMe() 
{
    window.open('', '_self').close();
}
</script>
<script type="text/javascript">
</script>
</head>
<body onLoad="loaded()">
Hello!
    \\\\cmbfs02\\Software\\web\\EmailSignature_WPF\\EmailSignature_WPF.exe
</body>
</html>

And here is the C# Code associated with it:

using System.Diagnostics;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load()
    {
        var applicationPath = "\\\\cmbfs02\\Software\\web\\EmailSignature_WPF\\EmailSignature_WPF.exe";
        Process.Start(applicationPath);
        this.ClientScript.RegisterClientScriptBlock(this.GetType(), "Close", "window.close()", true);
    }
}

Upon accessing my page through IIS, I observe the page opening and closing after the designated timeout, but the application fails to execute. Interestingly, if I manually paste the EXE path into Windows Explorer, the application runs without any issues. However, it seems to be failing when triggered through the method in the code. Any suggestions or assistance would be highly appreciated.

Answer №1

It appears that you are attempting to initiate a UI exe on the client side, when in reality it is being executed on the web server. Unfortunately, this approach is not feasible as web browsers are specifically designed not to run arbitrary executables from servers. Additionally, compatibility issues would arise, particularly with different operating systems - most likely only functioning on Windows.

In the past, I might have suggested exploring ClickOnce as a solution, but its current status and viability remain uncertain.

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