Re: How can i call C# function Through javascript on aspx page - ASP.NET Discussion Boards

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Re: URGENT, Web base data logger

Paddy Boyd3-Feb-09 2:06

Paddy Boyd

3-Feb-09 2:06

http://www.asp.net[^]

How can i call C# function Through javascript on aspx page

gautamamit82-Feb-09 23:20

gautamamit8

2-Feb-09 23:20

Hello All

I get a problem that i need to call a C# function on aspx page through javascript.but i don't how how I call this one.
Any help would be Appreciated

Amit Gautam

Re: How can i call C# function Through javascript on aspx page

sarang_k2-Feb-09 23:38

sarang_k

2-Feb-09 23:38

use

your c# functions.....

Re: How can i call C# function Through javascript on aspx page

gautamamit82-Feb-09 23:56

gautamamit8

2-Feb-09 23:56

I already have my function on mypage.aspx.cs page. I want to call this on aspx page. so how can i do this

Re: How can i call C# function Through javascript on aspx page

N a v a n e e t h2-Feb-09 23:42

N a v a n e e t h

2-Feb-09 23:42

AJAX[^] is the answer. To make things easier, use AJAX toolkit for ASP.NET.

Smile | :)

Navaneeth

How to use google | Ask smart questions

Re: How can i call C# function Through javascript on aspx page

gautamamit82-Feb-09 23:58

gautamamit8

2-Feb-09 23:58

i'm not much aware about Ajax.Could you tellme the any other.I have my function in aspx.cs page I call this on aspx page

Re: How can i call C# function Through javascript on aspx page

J4amieC3-Feb-09 2:23

J4amieC

3-Feb-09 2:23

What the hell is wrong with you? You ask a question, you're given the de-facto answer and you want a different way of doing it just because you're not familiar. How do you think people learn new concepts?

Re: How can i call C# function Through javascript on aspx page

vaghelabhavesh3-Feb-09 4:24

vaghelabhavesh

3-Feb-09 4:24

I would prefer you to use AJAX but here is one other solution.

From javascript make a call to dopostback method with eventtarget and arguments (if reuqired) and in Page Load method check for the event target and call the C# method. Remember this is dirty trick.

JavaScript (JS File)

__doPostBack('CALL_MY_METHID','');

ASPX Code Behind

void Page_Load(object sender, EventArgs e)
{
....
....

// Insure that the __doPostBack() JavaScript method is created...
this.GetPostBackEventReference(this, string.Empty);

string eventTarget = (this.Request["__EVENTTARGET"] == null) ? string.Empty : this.Request["__EVENTTARGET"];
if (eventTarget == "CALL_MY_METHID")
{
  // Call your C# method here and return
  CallMyMethod();
  return;
}
....
....
}

Be careful, there is no Undo Button(Ctrl+Z) in life.

Re: How can i call C# function Through javascript on aspx page

Ranjit Viswakumar3-Feb-09 9:34

Ranjit Viswakumar

3-Feb-09 9:34

.NET is parsed by the server. Javascript is parsed by the browser. If you have page that is already loaded that you want to process a .NET page, asking the server to do so via Javascript is the best way.

Ranjit Viswakumar
Professional Services Specialist
HostMySite.com[^]

PageMethods vs HTTP Handlers

Anurag Gandhi2-Feb-09 23:03

Anurag Gandhi

2-Feb-09 23:03

If we are calling a server side function we can use a number of way.
I use mostly static PageMethods ([System.Web.Services.WebMethod]) using Ajax or HTTP Handlers. Can anyone please tell me which method is better and the pros and cons of each.
I keep performance and response time the first criteria.

Thanks.

Anurag Gandhi.
http://www.softgandhi.co.nr
Life is a computer program and every one is the programmer of his own life.

Re: PageMethods vs HTTP Handlers

N a v a n e e t h2-Feb-09 23:40

N a v a n e e t h

2-Feb-09 23:40

Anurag Gandhi wrote:
Ajax or HTTP Handlers

AJAX and HttpHandler has no relation. I am not sure what you meant.

Navaneeth

How to use google | Ask smart questions

Re: PageMethods vs HTTP Handlers

Anurag Gandhi3-Feb-09 0:07

Anurag Gandhi

3-Feb-09 0:07

We can call server side function by
1. writing a static function ([System.Web.Services.WebMethod]) in code behind using PageMethods.
2. calling an HTTP Handler and returning the string.
by using Ajax.

My Question is which method is faster. I want to know about the pros and cons of each.

Anurag Gandhi.
http://www.softgandhi.co.nr
Life is a computer program and every one is the programmer of his own life.

Re: PageMethods vs HTTP Handlers

N a v a n e e t h3-Feb-09 4:41

N a v a n e e t h

3-Feb-09 4:41

I am still not getting you. HttpHanlder can't return a string. It sits in the page request pipeline and handles request.

Navaneeth

How to use google | Ask smart questions

Re: PageMethods vs HTTP Handlers

Jon Rista3-Feb-09 10:27

Jon Rista

3-Feb-09 10:27

An HttpHandler can definitely return a string...it just processes an http request and responds with something...doesn't have to be a full page. It does, however, incurr the cost of full ASP.NET pipeline processing, which combined with the effort to write one, makes them less appealing than a PageMethod.

Re: PageMethods vs HTTP Handlers

Jon Rista3-Feb-09 10:26

Jon Rista

3-Feb-09 10:26

PageMethods behave as web services, but offer a bit more capabilities than a web service. Unlike a full postback (i.e. UpdatePanel) which will incurr the overhead of processing the full ASP.NET pipeline, a PageMethod has a bit of a truncated pipeline that sets up the context, but bypasses all the rest of the event chain required for a full page postback. An HttpHandler is like a Page (in fact, a Page is an HttpHandler), and as such it will require the full event chain to be fired. A PageMethod is pretty much the most efficient way to perform an AJAX call that requires Session and HttpContext access, but not Request/Response access. A WebService might be faster, but there is SOAP overhead that could hurt performance.

Given that HttpHandlers and WebServices require a bit more work to write than a PageMethod, and the extra processing cost for both, PageMethods are generally the best solution when a full postback (async via UpdatePanel or not) is not needed.

HTML Tabs - Help Required

Jay_se2-Feb-09 22:49

Jay_se

2-Feb-09 22:49

Hi, I am new to HTML UI design. I am having a requirement similar to http://deluxe-tabs.com/templates/[^]

We needs to create tabs like Glass style, Vertical style, etc. For each tab, we needs to have its respective div tag.

Can you please suggest any good article, where I can learn the basics of the same?

Thanks

Jey

modified on Tuesday, February 3, 2009 5:06 AM

Re: HTML Tabs - Help Required

mr_muskurahat3-Feb-09 2:19

mr_muskurahat

3-Feb-09 2:19

you need to learn javascript in order to achieve this functionality..
or ajax....
what you want to do??

you want to create your own or using existing one???

umerumerumer

Re: HTML Tabs - Help Required

Jay_se3-Feb-09 19:11

Jay_se

3-Feb-09 19:11

Hi, Yes, I needs to create my own. I would like to understand the basics. Also kindly suggest any article where I can learn the basics. Thanks

Jey

Re: HTML Tabs - Help Required

mr_muskurahat3-Feb-09 19:23

mr_muskurahat

3-Feb-09 19:23

http://www.w3schools.com/js/default.asp[^]

umerumerumer

Re: HTML Tabs - Help Required

Jay_se3-Feb-09 23:44

Jay_se

3-Feb-09 23:44

Hi, I am aware of www.w3schools.com Umer. Smile | :)

I need some basic examples for my requirement, from where I can start work on it...As a expert you can suggest some best examples. I hope you understand.

Jey

Re: HTML Tabs - Help Required

mr_muskurahat4-Feb-09 7:36

mr_muskurahat

4-Feb-09 7:36

http://www.esnips.com/doc/7a39a84e-84ec-46d8-a140-6a7acdac4574/The-Book-Of-JavaScript,-2nd-Edition[^]

hope will help...abb kush..

umerumerumer

Re: HTML Tabs - Help Required

mr_muskurahat4-Feb-09 7:40

mr_muskurahat

4-Feb-09 7:40

http://www.esnips.com/doc/7a39a84e-84ec-46d8-a140-6a7acdac4574/The-Book-Of-JavaScript,-2nd-Edition[^]

umerumerumer

Ajax problem in internetexplorer 6 & firefox

mr_muskurahat2-Feb-09 22:21

mr_muskurahat

2-Feb-09 22:21

i have country and city dropdown list both in a update panel.

on selectedindex change of country i am population list of cities..

it is working fine in IE 7 but in IE 6 i tries to populate city list but take long time and after that i get error request time out same is the case with fire fox can any one guide where is the problem ???

umerumerumer

Re: Ajax problem in internetexplorer 6 & firefox

Christian Graus2-Feb-09 22:30

Christian Graus

2-Feb-09 22:30

I know if you write your own AJAX code there's no reason for that to happen, but are those controls compatible with those browsers ?

Christian Graus

Driven to the arms of OSX by Vista.

Re: Ajax problem in internetexplorer 6 & firefox

sarang_k2-Feb-09 22:48

sarang_k

2-Feb-09 22:48

use the break point and check where the error is coming.

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