For one of my project I needed a dynamically created JavaScript file. This file contains a class which has all messaged used by the client-side javascript.
1. Create a HttpHandler
public class MyMessageHandler : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
HttpResponse response = HttpContext.Current.Response;
try
{
response.AddHeader("Content-Type", "text/javascript");
//dynamically create file contents string, use the StringBuider, etc...
response.Write("function x() {alert('doing something');}")
}
catch (Exception ex)
{
//handle the exception if necessary
}
finally
{
response.End();
}
}
public bool IsReusable
{
get
{
return false;
}
}
}
2. Set up the web.config file
<httpHandlers>
//other handlers
<add verb="*" path="*/scripts/messages.js" validate="false" type="MyClass.MyMessageHandler, MyClass" />
</httpHandlers>
the path can be anything as long as it's properly referenced from the page
3. Reference the path as it was pointing to a physical JavaScript file
<script type="text/javascript" src="/scripts/messages.js"></script>
Done.
