I'm trying to use XMLHttpRequest with asp.net
The tutorial that I have been following is based on PHP. All the client
script stuff was working fine, but now I'm trying to create the asp.net page
that will answer the request.
For testing, I just want to return a simple string. I thought I could do
something like this:
<code>
if(this.Request .QueryString.Co unt > 0 && this.Request.Qu eryString[0] ==
"GetImgData ")
{
// this is a request from the ActiveX XmHttpRequest object trying
to get
// data about this image. I will return the big image URL, the
description
// and date/time information
Response.Write( "testing!") ;
Response.Flush( );
}
</code>
This does't work, it returns the full response with all the rendered HTML.
I'm sure I am doing this wrong, but I'm not sure why? Any ideas?
Thanks,
Steve 5 2568
Hello Steve,
Im guessing that you have this code hosted inside an ASPX file. Given that,
you can go two routes:
1. Implement an IHttpHandler [1] for your XMLHttpRequest services, or
2. Add Response.End() after Response.Flush( ). This instructs ASP.NET to stop
processing the current request.
[1] http://msdn.microsoft.com/library/de...ClassTopic.asp
--
Matt Berther http://www.mattberther.com I'm trying to use XMLHttpRequest with asp.net The tutorial that I have been following is based on PHP. All the client script stuff was working fine, but now I'm trying to create the asp.net page that will answer the request. For testing, I just want to return a simple string. I thought I could do something like this: <code> if(this.Request .QueryString.Co unt > 0 && this.Request.Qu eryString[0] == "GetImgData ") { // this is a request from the ActiveX XmHttpRequest object trying to get // data about this image. I will return the big image URL, the description // and date/time information Response.Write( "testing!") ; Response.Flush( ); } </code> This does't work, it returns the full response with all the rendered HTML. I'm sure I am doing this wrong, but I'm not sure why? Any ideas?
Thanks, Steve
adding response.end didn't seem to have any effect at all, I tried it before
and after the flush() call.
I will look into the handler approach. Seems like it will be more work, but
sometimes that's a good thing.
Thanks!
"Matt Berther" <mb******@hotma il.com> wrote in message
news:22******** *************** ****@news.micro soft.com... Hello Steve,
Im guessing that you have this code hosted inside an ASPX file. Given
that, you can go two routes:
1. Implement an IHttpHandler [1] for your XMLHttpRequest services, or 2. Add Response.End() after Response.Flush( ). This instructs ASP.NET to
stop processing the current request.
[1]
http://msdn.microsoft.com/library/de...ClassTopic.asp -- Matt Berther http://www.mattberther.com
I'm trying to use XMLHttpRequest with asp.net The tutorial that I have been following is based on PHP. All the client script stuff was working fine, but now I'm trying to create the asp.net page that will answer the request. For testing, I just want to return a simple string. I thought I could do something like this: <code> if(this.Request .QueryString.Co unt > 0 && this.Request.Qu eryString[0] == "GetImgData ") { // this is a request from the ActiveX XmHttpRequest object trying to get // data about this image. I will return the big image URL, the description // and date/time information Response.Write( "testing!") ; Response.Flush( ); } </code> This does't work, it returns the full response with all the rendered HTML. I'm sure I am doing this wrong, but I'm not sure why? Any ideas?
Thanks, Steve
try:
if(this.Request .QueryString.Co unt > 0 && this.Request.Qu eryString[0] ==
"GetImgData ")
{
Response.Clear( ); // remove all buffered content
Response.Write( "testing!") ;
Response.End(); // don't write any more
}
-- bruce (sqlwork.com)
"Steve" <ss*@sss.com> wrote in message
news:eh******** ******@TK2MSFTN GP14.phx.gbl... I'm trying to use XMLHttpRequest with asp.net The tutorial that I have been following is based on PHP. All the client script stuff was working fine, but now I'm trying to create the asp.net page that will answer the request.
For testing, I just want to return a simple string. I thought I could do something like this: <code>
if(this.Request .QueryString.Co unt > 0 && this.Request.Qu eryString[0] == "GetImgData ") { // this is a request from the ActiveX XmHttpRequest object trying to get // data about this image. I will return the big image URL, the description // and date/time information Response.Write( "testing!") ; Response.Flush( ); } </code>
This does't work, it returns the full response with all the rendered HTML. I'm sure I am doing this wrong, but I'm not sure why? Any ideas?
Thanks, Steve
thanks for the post, that didn't do it either. I still get the whole page
back.
"Bruce Barker" <br************ ******@safeco.c om> wrote in message
news:%2******** ********@TK2MSF TNGP14.phx.gbl. .. try:
if(this.Request .QueryString.Co unt > 0 && this.Request.Qu eryString[0] == "GetImgData ") { Response.Clear( ); // remove all buffered content Response.Write( "testing!") ; Response.End(); // don't write any more }
-- bruce (sqlwork.com)
"Steve" <ss*@sss.com> wrote in message news:eh******** ******@TK2MSFTN GP14.phx.gbl... I'm trying to use XMLHttpRequest with asp.net The tutorial that I have been following is based on PHP. All the client script stuff was working fine, but now I'm trying to create the asp.net page that will answer the request.
For testing, I just want to return a simple string. I thought I could
do something like this: <code>
if(this.Request .QueryString.Co unt > 0 && this.Request.Qu eryString[0]
== "GetImgData ") { // this is a request from the ActiveX XmHttpRequest object
trying to get // data about this image. I will return the big image URL, the description // and date/time information Response.Write( "testing!") ; Response.Flush( ); } </code>
This does't work, it returns the full response with all the rendered
HTML. I'm sure I am doing this wrong, but I'm not sure why? Any ideas?
Thanks, Steve
ah, this does work. I wasn't building the correct project. Thanks for the
help, I'm off and tunning now! ;)
"Bruce Barker" <br************ ******@safeco.c om> wrote in message
news:%2******** ********@TK2MSF TNGP14.phx.gbl. .. try:
if(this.Request .QueryString.Co unt > 0 && this.Request.Qu eryString[0] == "GetImgData ") { Response.Clear( ); // remove all buffered content Response.Write( "testing!") ; Response.End(); // don't write any more }
-- bruce (sqlwork.com)
"Steve" <ss*@sss.com> wrote in message news:eh******** ******@TK2MSFTN GP14.phx.gbl... I'm trying to use XMLHttpRequest with asp.net The tutorial that I have been following is based on PHP. All the client script stuff was working fine, but now I'm trying to create the asp.net page that will answer the request.
For testing, I just want to return a simple string. I thought I could
do something like this: <code>
if(this.Request .QueryString.Co unt > 0 && this.Request.Qu eryString[0]
== "GetImgData ") { // this is a request from the ActiveX XmHttpRequest object
trying to get // data about this image. I will return the big image URL, the description // and date/time information Response.Write( "testing!") ; Response.Flush( ); } </code>
This does't work, it returns the full response with all the rendered
HTML. I'm sure I am doing this wrong, but I'm not sure why? Any ideas?
Thanks, Steve
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