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A. R. Live Support: XML Based Customer Support Chat Solution

, 16 Dec 2008 CPOL
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Customer Support chat solution build using ASP.NET(2.0) with C# and XML as a database.




I have checked out a lot of chat solutions and all of then were database driven. These applications fail as soon as the database is down and in live systems, this scenario is not unknown. So, I decided to build a Chat Solution that should be database independent. So, XML is the best replacement.

This is my first article and A. R. Live Support is the first solution I have developed using XML.


A. R. Live Support is an online chat software, developed in ASP.NET(2.0) and XML. It is easy to use and facilitates 1-o-1 live communication between customers and executives. It is a flexible live chat software that provides the customer support with a click.

The main features are:

  1. Built with HTML, JavaScript, XML, C#, using Ajax techniques
  2. NO DATABASE: No need for a database (since it is XML based)
  3. No Flashing: Based on advanced Ajax techniques, the chat screen refreshes every second(this can be customized), and changes on the screen do not require a screen refresh
  4. NO ACTIVEX or PLUGINS, etc. - because it is not Java based, the user does not need to install plugins, or have Java components on the machine. A combination of JavaScript, XML and C# ASP.NET makes this possible.
  5. NO MEMORY STORAGE for messages, users; everything gets stored in XML files. This feature allows several chat rooms and even chat applications to run on the same server.
  6. EASY TO INSTALL - Just unzip a *.zip file on the server, create a virtual directory, and the chat is ready.
  7. ANY MAJOR BROWSER OK - Internet Explorer, Netscape, Mozilla Firefox, Opera

Code Walkthrough

  1. I will start from a code that will be used to call the Server repeatedly for fetching the most recent information:

    function InitializeTimer()
        // Set the length of the timer,
        // in seconds. Your choice
        secs = 2;
    function StopTheClock()
        timerRunning = false
    function StartTheTimer()
        if (secs==0)
            //Generate a Postback to the server
            // Start the timer again
            secs = secs - 1;
            timerRunning = true;
            timerID = self.setTimeout("StartTheTimer()", delay);
    //AJAX Function
    function makeRequest()
    	var xmlHttpRequest = null;
    	* For Firefox, Mozilla, Safari
    	if (window.XMLHttpRequest)
    		xmlHttpRequest = new XMLHttpRequest();
    	* For Microsoft Internet Explorer
    	else if (typeof ActiveXObject != "undefined")
    		xmlHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
    	return xmlHttpRequest;
    }//END of Function makeRequest
    function ajax_MakeAnAJAXGetCall()
    	ajaxObj = makeRequest();
    	if (ajaxObj != null)
    		var dt = new Date();		
    		var URL = serverURL;
    		URL += '?id=' + document.getElementById('lblID').innerHTML + 
    			'&dt1=' + dt.getHours()+ '&dt2=' + dt.getMinutes();
    		StopTheClock();"GET", URL, true);
    		ajaxObj.onreadystatechange = ajax_CallBack;
    	return false;
    function OpenPop(strId)
    {'execChatWindow.aspx?id=' + strId,'','width=520,height=490');
    function ContactServer()
    	ajax_MakeAnAJAXGetCall(); //THis makes Ajax call to run 
  2. Server side code to fetch the messages for User/Executive:

    string strResult = string.Empty;
      string chatId = Request.QueryString["cid"].ToString();
      string strXML = chatId + ".XML";  
      strResult = clsChatMessages.getUnReadMessages(Request.PhysicalApplicationPath, 
    		strXML,Request.QueryString["id"].ToString(), true);

Points of Interest

  1. Chat is fully customizable, i.e. there are a lot of interesting settings in web.config.
  2. Initially it does not provide any reporting, but that can be generated using XML files.


  • 09-Nov-2008
    • Initial post of article
  • 18-Nov-2008
    • Selection of Departments for the Chat
    • [Bug Fix] in chat allocation
  • 16-Dec-2008
    • Chat Transfer between Executives
    • Password Encryption [RSA]


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Aman Bhullar
Team Leader
India India
No Biography provided

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Comments and Discussions

Generalerror when user want to chat with excutive Pin
amirsamanipoor28-Apr-15 3:22
memberamirsamanipoor28-Apr-15 3:22 
QuestionHi.. Having chat.dll issue Pin
Member 1126227325-Nov-14 2:15
memberMember 1126227325-Nov-14 2:15 
Questionsharing files or images in chat Pin
imran RP28-Sep-14 1:09
memberimran RP28-Sep-14 1:09 
AnswerRe: sharing files or images in chat Pin
Aman Bhullar13-Oct-14 3:27
memberAman Bhullar13-Oct-14 3:27 
QuestionChat.dll Pin
Nico_Travassos26-Jun-14 4:01
memberNico_Travassos26-Jun-14 4:01 
AnswerRe: Chat.dll Pin
Aman Bhullar8-Jul-14 5:33
memberAman Bhullar8-Jul-14 5:33 
QuestionI Cant Use this :( Pin
sara-98418-May-14 20:46
membersara-98418-May-14 20:46 
AnswerRe: I Cant Use this :( Pin
Aman Bhullar19-May-14 23:55
memberAman Bhullar19-May-14 23:55 
Questionclose the client windows Pin
Member 105260156-Feb-14 7:40
memberMember 105260156-Feb-14 7:40 
Questionchat notification Pin
Member 896470922-Jun-13 2:41
memberMember 896470922-Jun-13 2:41 
AnswerRe: chat notification Pin
Aman Bhullar26-Jun-13 5:50
memberAman Bhullar26-Jun-13 5:50 
GeneralRe: chat notification Pin
Member 896470926-Jun-13 10:31
memberMember 896470926-Jun-13 10:31 
GeneralRe: chat notification Pin
Aman Bhullar1-Jul-13 4:50
memberAman Bhullar1-Jul-13 4:50 
QuestionCan you transfer a chat to another operator Pin
Member 100945125-Jun-13 6:30
memberMember 100945125-Jun-13 6:30 
Questionproject doesnt have a good document Pin
amirsamani1-Jun-13 0:51
memberamirsamani1-Jun-13 0:51 
QuestionPost a Java version Pin
52215178218-Dec-12 19:25
member52215178218-Dec-12 19:25 
AnswerRe: Post a Java version Pin
Aman Bhullar23-Dec-12 21:52
memberAman Bhullar23-Dec-12 21:52 
QuestionCan we change the brand name? Pin
Amit D Rajput4-Nov-12 23:05
memberAmit D Rajput4-Nov-12 23:05 
AnswerRe: Can we change the brand name? Pin
Aman Bhullar9-Dec-12 23:00
memberAman Bhullar9-Dec-12 23:00 
QuestionChat.DLL Pin
solgen31-Jul-12 15:34
membersolgen31-Jul-12 15:34 
AnswerRe: Chat.DLL Pin
Aman Bhullar23-Aug-12 19:22
memberAman Bhullar23-Aug-12 19:22 
AnswerRe: Chat.DLL Pin
amirsamani1-Jun-13 0:47
memberamirsamani1-Jun-13 0:47 
GeneralRe: Chat.DLL Pin
Aman Bhullar6-Jun-13 1:37
memberAman Bhullar6-Jun-13 1:37 
QuestionUsing this in my project Pin
mrkeivan13-Feb-12 19:22
membermrkeivan13-Feb-12 19:22 
AnswerRe: Using this in my project Pin
Aman Bhullar6-Jun-13 1:41
memberAman Bhullar6-Jun-13 1:41 

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