Im using asp.net c# (webforms) I want to add a back button to my page. (you land on this page if you incorrectly fill in a form). if javascript is enabled i want to go back via javascript, but if it is disabled i'll just do a response.redirect("~/home.aspx"). how can i implement this? is it 2 buttons? how can i hide the other in the 2 different states if so.
View 2 RepliesDoes a response.Redirect first postback to the page that's calling the redirect before actually redirecting? I don't think so but my debugging is showing me that it is.
I can see it doing so and that causes me a problem. The problem is this:
1) My page has an asp.net button on it
2) When the button is clicked, the page posts back of course. Then the following is called in the event handler method for that button:
Response.Redirect("Checkout?frpp=1"), true);
3) But I notice that when the redirect is called, it first goes back and hits the page load for this page, the page that's doing the redirecting. Well that is causing me problems because it's calling code that I don't want it to be calling again such as this:
if (!IsPostBackl)
ShowOrderItems();
so it's like I'm doing a 2nd postback:
first postback happens when you click the button, hits the event handler, runs my handler method which calls the Redirect. Redirect is called but it's doing another postback to the same page here..why?
which one is better response.redirect or postbackurl(asp:button feture) to redirect web page?
View 3 Repliesi m having problem with logout code in asp.net with c#. this logout code should end session, disable browser's back button and and if somebody try to login by paste the url of any user account page.i used this code in login page
protected void Button1_Click(object sender, EventArgs e)
{
Session["name"] = TxtUserName.Text;
}
and in logout i used this
protected void logout_Click(object sender, EventArgs e)
{
Session.RemoveAll();
Session.Abandon();
Response.ClearHeaders();
Response.Redirect("login.aspx");
}
nothing happening back button is still visible
I am working on a C# .net application in which I need to open a new browser and direct users to it in the event they click on a button or image.
i want to keep the main page and opens a new window browser once the user click the button.
here's my code.
aspx page.
<asp:Button ID="previewbtn" runat="server" Text="PREVIEW " OnClick="previewbtn_Click" />
code behind:
Response.Redirect("newpage.aspx?bg=" + Session["user"].ToString() + "&dc=" + Session["dcode"].ToString());
I have update button and after saving the record to database, I am displaying popup Msg using Javascript as below.
When i don't use Response.Redirect, Popup is working fine. But when i use Response.Redirect, Popup is not displaying.
ScriptManager.RegisterStartupScript(
this,
typeof(string),
"popup",
"alert('Thank you for visiting the MedInfo website. Your request has been submitted.');",
true);
Response.Redirect("Default.aspx");
I have a response.redirect with javascript for popup, its working fine with the popup, but the page's fonts increase on click the link to a larger size.
Also there are 2 back buttons after the click.
So I need to disable the text(font) size changing and removing the additional back buttons(page history).
Code:
Response.Write("<script language = 'Javascript'>var win=window.open('" + "/" + dirrep2 + "/" + year + "/" + month + "/" + date + ".pdf" + "','true');</script>");
is it possible to create a new Session Id using C# and without using a Response.Redirect(...Page ... ). I want to create a new session Id on page load.
Reasons for doing so:
I have a testing application that creates IFrames to act as users. the problem I have is that with Multiple Instances (or Multiple IFrames running the same application "Default.aspx") all IFrame's are using the Same Session ID. I have variables stored in the Session ID that I need to be seperated from IFrame to IFrame. Ex:
IFrame 1 gets passed a query string of a client ID "1"
IFrame 2 gets passed a query string of client ID "2"
WHen the IFrame 2 gets loaded the session state of IFrame 1 inherits the IFrame 2's session's making the Client ID in Session 1 = "2". See what I am getting at?
I want to be able to have each IFrame create its own Session State. I guess there is 2 questions to this, 1.) is it possible to create a new Session State by abandoning the original and by doing so will that abandon both session ID's and just create an ID for both IFrames being the same ID? 2.) How can I do this if it is possible :-)
I need add a buttom to my aspx page.
My code is
byte[] buffer;
FileStream fs = new FileStream(@"C:info.pdf", FileMode.Open);
try
{
[Code]....
I need a click button after the code. How can I do this.
How can I use response.redirect on button onclick or onclientclick event?
View 3 RepliesFor some reason it seems as though variables that I declare in javascript sometimes persist themselves across applications even when I do a response.redirect. I thought that a response.redirect would clear them out.
View 1 RepliesI'm rewriting a messaging module and the old asp application has a send button image and it used HTML submit button. My new application is asp.net. Can I use the asp send button image to response.redirect to the View message page?
View 3 RepliesI've got a HomePage.aspx page - user clicks "NEW PROJECT" and they get brought to the NewProject.aspx page.
While on this page they click CONTINUE buttons on the page that move you through 3 stages of CASE creation.
If they click BACK - the BROWSER BACK button - I want to pop up a warning.
Quote:
Going back will return you to the client homepage, and all data entered for this project will be lost. Do you wish to proceed?
If they click NO they return to where they just were - as if they did not click BACK.
Is this possible?
If not - can I make BACK just return to the HomePage.aspx - as if all the NewProject.aspx postbacks were not new page entries in the BROWSER history.
Flickr does something like that. When you click on the "in the last minute" link and see recent photos - then click reload several times - each of those reloads does not go into BROWSER BACK history. If you click BACK you are back onto the initial [URL] home page.
I have 3 page
1-admin.aspx
2-Search.aspx
3-register.aspx
In admin.aspx and Search.aspx I have button that when users click On button they go to register.aspx
I put one image button=IMGBack in register.aspx that I want when users click on it they back to lastpage
I mean if they was in admin.aspx when they click on IMGBack they back to admin.aspx page and if they was in search.aspx they back to search.aspx page
I want do some thing like this button (<--) in google toolbar when we click on this button we come back to last page that we visited.
I created a asp.net form. This is that.
<form id="MyForm" runat="server">
<table>
<tr>
<td colspan="2" style="background-color:#EFEFEF">
<h3>Card Detail</h3>
</td>
[code]...
I've got an asp.net page that uses dynamically populated DropDownLists and OnSelectedIndexChanged events. A few days ago I found a defect where hitting the back button would load the previous page from the browser's cache, so the DropDownList would already have a selected index (hence the OnSelectedIndexChanged event would not fire properly as it didn't have the default selected index). I understood the issue and googled around. It's a well known issue that doesn't have an easy solution because of how the browser interacts with the page. After a bit of thought, I went with a trivial javascript solution to reset the ddls:
var gvTable = document.getElementById("foo");
if (gvTable != null)
{
[code]...
This worked well and I was happy. Until I tested it in IE. In IE, it appears to run the script, THEN load the cached values of the DDL. That is, I observe the DDL snapping back to the 0 index, and then suddenly dropping down to the previously selected value. I'm sort of at a loss here, I typically debug in firebug, but this works perfectly in firefox and chrome.
I have an ASP.NET page that contains two div's. Both have search fields and a search button contained within each of them. When I first come to this page, Div A has the class 'SearchDiv' while Div B has 'SearchDivDisabled'. These classes change the appearance so the user knows which search type they currently have enabled.
When Div B is clicked, JavaScript changes it's class to 'SearchDiv', and changes Div A to 'SearchDivDisabled'. This all works like a charm. The problem I have is when a user changes to Div B, clicks Div B's search button (which obviously redirects to a results page), and then uses the browser's back button. When they return to the search page, Div A is enabled again, and Div B is Disabled, even though they last used Div B. In the search button event handler I set the class attribute of the Divs before I redirect, hoping this will update the page on the server so when the user returns, their last-enabled Div will still be enabled (regardless of which one was enabled when the page was first visited).I believe this involves the ViewState, but I'm unsure why the class attribute is not saved so when the user returns to the page it is restored.
Edit: Here is the button event handler code:
protected void RedirectToResults(int searchEnum, string resultPage)
{
ShowContainer(searchEnum);[code]....
RedirectToResults() is called from the actual button event handler with the enum representing the selected search panel and the results page url. SearchContainers is a dictionary mapping an integer to the search Div. The important code is the last line, where I'm updating the selected search container with the 'active' search class, rather than the disabled one (which I assign to the other div(s) )
Additional Update: I have been battling with this issue for the last couple days. I was sort of able to get the following code to work (in page_load):
Response.AppendHeader("Cache-Control", "no-cache, no-store, must-revalidate"); // HTTP 1.1.
Response.AppendHeader("Pragma", "no-cache"); // HTTP 1.0.
Response.AppendHeader("Expires", "0"); // Proxies.
But this really isn't a solution, as everything else that gets cached correctly is lost, which leaves me worse off than when I started. Everything else seems to persist fine, it is just the class of the div that is causing me struggles.
Edit: Just wanted to update this for anyone else that comes across this. While I believe there is a solution here with setting the cacheability of the page to force the browser to postback, I could not get it working 100% with all browsers (primarily Firefox was giving me fits, which is a documented bug). I do believe the cookie solution would work, but I felt that may be a bit more complex than necessary for just trying to store the state of a couple div's.
What I ended up doing was tying the div's class to the state of it's correlating radio button (there are radio buttons next to the div which allow the users a more visual way of enabling search panels). I noticed these radio buttons retained the correct checked value when the back button was used, so I could guarantee they would indicate the correct div to be enabled. So in JavaScript's onload I check which radio button is enabled, and then adjust the classes of the search div's accordingly. This is a pretty big hack, but has worked 100% across all browsers, and only took about 10 lines of JavaScript.
I want to redirect to "~/City/Göteborg", but if I just write Response.Redirect("~/City/Göteborg"); I will end up with an ugly URL in the address-bar like this: http://www.mysite.com/City/G%c3%b6teborg..
So my question is how to redirect to obtain a clean url like http://www.mysite.com/City/Göteborg?
I have created a listbox that the selected items would remove by using javascript once I clicked on a server button. Below is the code I'm using
<asp:button id="btnSelected" Runat="server" CssClass="InputFormObject" Text=">" ></asp:button>
<script language="javascript">
function removeOptions(selectbox)
{
var i;
for(i=selectbox.options.length-1;i>=0;i--)
{
if(selectbox.options[i].selected)
selectbox.remove(i);
}
return false;
}
</script>
private void Page_Load(object sender, System.EventArgs e).......................
so i have a lightbox in which pops up an aspx page with textboxes and two buttons (submit - disabled and cancel - enabled). I wanted to enable my submit button ontextchange. it works fine when opened separately (not as a lightbox) but when i let it run normally with the lightbox function everytime ontextchange gets triggered the whole page refreshes disabling the lightbox.
<asp:TextBox ID="textBox1" runat="server" OnTextChanged="OnTextChanged_AttributesEdited" autopostback="true">
protected void OnTextChanged_AttributesEdited(object sender, EventArgs e)
{
btnSubmit.Enabled = true;
}
now if i take out the "autopostback=true" it then will not trigger the the ontextchanged. was wondering if is it better if javascript will be the way to go for enabling the button or is there a way where i can prevent the postback when ontextchanged is triggered?
How to disable the back button of a browser using Javascript.
View 1 RepliesI have a problem with Response.Redirect to specific error page.
so far i have something like :
protected void Page_Load(object sender, EventArgs e)
{
if ((Request.QueryString["UbytovaniePrispevokID"].ToString()) == "")[code]......
What i want to do is.. I have one main page with new posts Each subject of the new post is the link to Another page where is Specific post and coments and user can leave a coment.
What I want is when the Request.QueryString["UbytovaniePrispevokID"].ToString()) == "" or null I want to redirect to error page ...
after user loggs out if he clicks the browsers back button then users had to be redirected to login page
doenst matter how many time the user clicks on back button take him to login page
how to achieve this let me know
I want to disable the broswer back button without using javascript. So far i have used this coding:
Response.CacheControl = "no-cache"
Response.CacheControl = "private"
Response.CacheControl = "public"
It's working fine in the internet explorer 8 but in case of mozilla fire fox it is not working.pls say same the solution to work in all browsers.
want to create a slideshow with back and next button.. all data including img path and img name is to be fetched from the database... any code you can paste here?
View 5 Replies