Re: Browser Back Button - JavaScript Discussion Boards

If I do your exam for you, do I get the qualification?

Sort of a cross between Lawrence of Arabia and Dilbert.[^]
-Or-
A Dead ringer for Kate Winslett[^]

Hi everybody.

I need to aggregate the content of two different lists in one space, into one webpart in a different sharepoint, and this should be done via JavaScript.

I cannot use designer and the Data View Web Part, which would ease the situation a lot...

Do you know any example on the web, or something? I have been googleling a lot but can't find anything like this.

Thanks.

Hi when i login into my application when i click the browser back button the page is reloded for that one

Please give me the code in javascript

Please clarify what it is you want to happen. Is clicking the back button resulting in a page you don't want, or do you want to make the browser go back from javascript? Or do you want something else perhaps?

It might be better to try and describe what it is you want to happen.

Sort of a cross between Lawrence of Arabia and Dilbert.[^]
-Or-
A Dead ringer for Kate Winslett[^]

i want if i click the browser back button the current page is reloded ..please help me that one using javascript

Why do you want to do this?
I'm not trying to be difficult - stopping the browser back button (which is what you are trying to do in effect) isn't 100% reliable, for example the client might have JavaScript disabled. What you are doing works against the browser's functionality and you are trying to stop a user doing what they want on their own machine. See http://forums.asp.net/t/989339.aspx[^] for a discussion and this[^] (which is quite old).

IMO it is more likely you should be handling this on the server and displaying something appropriate, even if it is just a message saying you can't go back.

Sort of a cross between Lawrence of Arabia and Dilbert.[^]
-Or-
A Dead ringer for Kate Winslett[^]

Your question is not clear. Generally, on using browser back button page is reloaded from cache. If you want to handle this behaviour, following tip would help: Browser back button issue after logout[^]

Sandeep Mewara
Microsoft ASP.NET MVP 2012 & 2013

[My Latest Article(s)]:
How to extend a WPF Textbox to Custom Picker
Server side Delimiters in ASP.NET

history Object Internet Explorer
---------------------------------

Contains information about the URLs visited by the client.

Attributes/Properties

Show:
Attributes/Properties
Methods
Method Description
back Loads a previous URL from the History list.
forward Loads the next URL from the History list.
go Loads a URL from the History list.

Property Description
length Retrieves the number of elements in the History list.

For security reasons, the history object does not expose the actual URLs in the browser history. It does allow navigation through the browser history by exposing the back, forward, and go methods. A particular document in the browser history can be identified as an index relative to the current page. For example, specifying -1 as a parameter for the go method is the equivalent of clicking the Back button.

back Method Internet Development Index

--------------------------------------------------------------------------------

Loads a previous URL from the History list.

Syntax

history.back( [iDistance])
Parameters

iDistance Optional. Integer that specifies the number of URLs to go back. If no value is provided, the previous URL is loaded.

Return Value

No return value.

Remarks

This method performs the same action as a user clicking the Back button in the browser.

The back method works the same as history.go(-1).

An error does not occur if the user tries to go beyond the beginning of the history. Instead, the user remains at the current page.

Standards Information

There is no public standard that applies to this method.

forward Method Internet Development Index

--------------------------------------------------------------------------------

Loads the next URL from the History list.

Syntax

history.forward()
Return Value

No return value.

Remarks

This method performs the same action as when a user clicks the Forward button in the browser. Calling the forward method works the same as calling the go method with a parameter of 1. An error does not occur if the user tries to go beyond the end of the history. Instead, the user remains at the current page.

go Method Internet Development Index

--------------------------------------------------------------------------------

Loads a URL from the History list.

Syntax

history.go(vLocation)
Parameters

vLocation Required. Variant that specifies an integer or a string. An integer indicates the relative position of a URL in the History list. A string indicates an exact URL in the History list.

Return Value

No return value.

Remarks

An error does not occur if the user tries to go beyond the beginning or end of the history. Instead, the user remains at the current page

JavaScript

function SetStateForNtimes(n) {
            var popState = "?tabid=" + querySt("tabid");
            for (i = 0; i <= n; i++) {
                History.pushState({ state: 2, rand: Math.random() }, "RailEurope", popState);
            }
        }

function querySt(ji) {
    hu = window.location.search.substring(1);
    gy = hu.split("&");
    for (i = 0; i < gy.length; i++) {
        ft = gy[i].split("=");
        if (ft[0] == ji) {
            return ft[1];
        }
    }
}

Click here for more detail (History.js)

I have used somthing like above. It works like facebook has implemented.
Called this on ready state.
window.setTimeout("SetStateForNtimes(20)",2000);

Hope It will help.

Thank You,
Anjum Rizwi

Reloaded for which one..? Clarify your Question...

Vinod Kumar B C
Software Engineer

Use history.back(0);

this should give you what you want...

i want to set random image in my asp.net website.. how can i do this , can any helps me to find out this bro/

khiladi786 wrote:
set random image in my asp.net website

Based on the forum picked, it looks like you are looking for a image slider or viewer that shows images randomly. If so, (even if not), the logic is to have a set of images and number them. Pick random number within the range 0 to total image count. Based on the number show that image. You can have a trigger of button or a timer to pick random numbers at intervals when needed.

Sandeep Mewara
Microsoft ASP.NET MVP 2012 & 2013

[My Latest Article(s)]:
How to extend a WPF Textbox to Custom Picker
Server side Delimiters in ASP.NET

i tried but it not working ...can u provide me code ?

And what did you try and what was not working?

Sandeep Mewara
Microsoft ASP.NET MVP 2012 & 2013

[My Latest Article(s)]:
How to extend a WPF Textbox to Custom Picker
Server side Delimiters in ASP.NET

Hi,

I want to generate random numbers in js from specific set of numbers iteratively e.g:

generate random numbers from array of (2,3,4) excluding 1 and next time from (1,3,4) excluding 2 like that. I have used Math.floor and Math.random()but they generate the numbers from given range like(1 to 4). What if i want to exclude any number or want to generate number from given specific set of numbers??

aeman wrote:
want to generate number from given specific set of numbers

What's the problem with generating random number within a range, see if the random number is not the one you want and then re-get the random number in case it's the one you wanted to avoid?

Example;
Random number between 1 to 4.
You wanted one of (1,3,4)
If random number returned is 2, ignore and re-get it.

Define a method that takes range start, end and exclude number:

JavaScript

function getRandom(rangeStart, rangeEnd, excludeNo)
{
  var ranNo = GetRandom(rangeStart, rangeEnd);

  // ranNo either of: 1, 2, 3, 4
  if(ranNo == excludeNo)
    getRandom(rangeStart, rangeEnd, excludeNo);
  
  return ranNo;
}

Sandeep Mewara
Microsoft ASP.NET MVP 2012 & 2013

[My Latest Article(s)]:
How to extend a WPF Textbox to Custom Picker
Server side Delimiters in ASP.NET

Using your example, I would generate a random number between 0 and 2. Then use the result as an index to your three element array.

If you need to use this often for arrays, I would add a function to the array prototype:

JavaScript

Array.prototype.randomPick = function(){
	var M = this.length-1;
	var N = 0;
	var randomIndex = Math.floor(Math.random()*(1+M-N))+N;
	return this[randomIndex];
};

Then you can call it:

JavaScript

var arr = [2,3,4,5,4,6,8,9,7];
alert(arr.randomPick());

________
John Y.
Developer

hi
how can i access info popup page from main page?

apadana_1989 wrote:
info popup page

Can you elaborate on what exactly are you trying to do?

If you want to pass on some value from new popup window to main page, following should help: Partial update of parent page via AJAX (ASP.NET 2.0) on close of a child window - conditionally[^]

Sandeep Mewara
Microsoft ASP.NET MVP 2012 & 2013

[My Latest Article(s)]:
How to extend a WPF Textbox to Custom Picker
Server side Delimiters in ASP.NET

Explanation is not enough..

hi guys
i want popup web page and i want redirect the popup page
by main page please help me
for example when user inter the home page popup new page
and how can access info popup page in the home page

use window.open in js like:

window.open(url,'name','height=popupheight,width=popup width');

You need a com link from the parent browser to the popup browser window.

http://www.bennadel.com/blog/672-Passing-Data-From-A-Pop-Up-Window-To-A-Parent-Window-Using-ColdFusion-And-Javascript.htm

This ones works great, I used it for ckEditor, to choose files from the drive in a popup window, and send the selection back to the parent window.

http://www.sfpeter.com/2008/03/communication-between-browser-windows-with-jquery-my-new-plugin/[^]