Getting Query string value in aspx page

 <%# string.Format("{0}", Request.QueryString["value"])%>

Disable right click option using jquery

$(function(){
        $(this).bind("contextmenu", function(e){
        e.preventDefault();
          alert("right click is disabled"); //not recommended to give alert message
    });

});

Very use ful for image map coordinates

for example, you can get full view of each mandal details using the coordinates

http://www.mapsofindia.com/maps/andhrapradesh/districts/prakasam-district-map.jpg

http://www.maschek.hu/imagemap/imgmap

call function or do something after ' x ' times in jquery

    //--- call function after 10 seconds.
    setTimeout("here specify what you want to do", 10000);

Reading session value from jquery using WebHandler

using System;
using System.Web;
using System.Web.SessionState;
using System.Web.Script.Serialization;

public class ReadSession : IHttpHandler,IReadOnlySessionState
{
    public void ProcessRequest(HttpContext context)
    {
        context.Response.ContentType = "application/json";
        context.Response.Write(new JavaScriptSerializer().Serialize(new
        {
            Key = context.Request["key"],
            Value = (context.Session[context.Request["key"]]!=null && context.Session[context.Request["key"]]!="" ? context.Session[context.Request["key"]]:"")
        }));
    }

    public bool IsReusable
    {
        get { return true; }
    }
}


/*-------( In jquery just call like this )--------*/


 $.getJSON('/ReadSession.ashx', { key: key }, function (result) {
        alert(result.Value);
    });

Confirm message box in jquery

  if (confirm("Do you want to delete this record!")) {alert('you clicked on OK button')}
else{alert('you clicked on CANCEL button')}

create cookies using javascript

/*-----( CREATING COOKIE )------*/

 var email =$('#txtUserName').val();
 var pwd = $('#txtPassword').val();
 var d = new Date();
    d.setTime(d.getTime()+(30*24*60*60*1000));
     var v_rememberMe = $('#RememberMe').is(':checked') == true ? "Y":"N";
    $('#RememberMe').is(':checked') == true ? (document.cookie = "email=" + email + ";expires=" + d.toGMTString() + "") : d.setTime(d.getTime() + (-31 * 24 * 60 * 60 * 1000)); document.cookie = "email=" + email + ";expires=" + d.toGMTString() + "";

/*-------( GETTING COOKIE VALUES )--------*/
$(document).ready(function () {

    var mail = getCookie("email");
    var expdays = getCookie("expires");
 
   // mail!= "" ? ($('#txtPassword').focus(); $('#txtUserName').val(mail)): $('#txtUserName').focus();
    if (mail != "") {
        $('#txtPassword').focus(); $('#txtUserName').val(mail); $('#RememberMe').attr('checked', true);
    }
    else { $('#txtUserName').focus(); }
});
/*----( Getting cookie by Name )----*/
function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i].trim();
        if (c.indexOf(name) == 0) return c.substring(name.length, c.length);
    }
    return "";
}