how to invoke c# code from javascript function ?

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C#

ASP.NET

Javascript

i wanted to call c# code and perform some operation on it .how to call c# code in javascript.

Posted 12-Feb-14 23:01pm

kishorebt

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Mahesh Bailwal · Answer 1 · 2014-02-12T23:44:00

First you need to understand the fundamental difference between Server Side Code (C#) and Client Side Code (javascript). C# runs on web server (like IIS) and JavaScript runs on browser( like ie,firefox etc). Both of them work in totally disconnected environment where C# can not make call to javascript function directly and same way Javascript can not make direct call to C# code. The only mechanism through which Javascript can make call to C# server side code is through HTTP request. Its up to you how you want to make HTTP call to the server, may be you can you use AJAX call or you can make Normal HTTP post or Get Request.

siddiquiaslam · Answer 2 · 2014-02-12T23:31:00

Solution 1

Hi,

PageMethods is the answer, below link for similar query:

http://forums.asp.net/t/1938376.aspx?Call+C+function+from+javascript

Posted 12-Feb-14 23:31pm

siddiquiaslam

Updated 13-Feb-14 2:50am

v2

Pete O'Hanlon · Answer 3 · 2014-02-12T23:34:00

Solution 2

A common technique for doing this is to use AJAX to issue a request from the client side and call a web method at the server side. I quite like using jQuery to do this, and here's[^] a handy article demonstrating how to do this.

Posted 12-Feb-14 23:34pm

Pete O'Hanlon

Member 10476757 · Answer 4 · 2014-02-14T00:57:00

Solution 4

may upon the scenario we can try this by using handlers

Posted 14-Feb-14 0:57am

Member 10476757

Comments

kishorebt 14-Feb-14 7:27am

can u elaborate it by sample working code

Bala Selvanayagam · Answer 5 · 2014-02-14T00:59:00

Solution 5

You might look at using singalR,

Its an ASP.NET real time platform using this your javascript can invoice c# code in the server and vice- versa.

Not sure how much this can help you but please do a google

Posted 14-Feb-14 0:59am

Bala Selvanayagam

Comments

kishorebt 14-Feb-14 7:28am

that what i wanted to do.. from signalr code i wanted to transfer the content to the database so ive to preform the server side script.

Bala Selvanayagam 14-Feb-14 7:55am

How far you have progressed on this, are you able to populate the data into the SignalR server Hub ? where are you suck please