Web Forms :: Page Load Firing Twice
Jan 21, 2011
[URL] and that is not my problem.
I have a page with some updatepanels and som jquery code. Within an updatepanel, I have some dropdownlists that are filled bases on its precedenting. Basic.
On other browser it works very well, but in IE the postback is fired twice, and my application doesn't works properly.
If i remove soem jquery scripts, it works well. But I can't see any explanation for that and I can't remove jquery code.
The jquery code dos a datepícker, autcomplete, inputmask and some calculation.
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Dec 27, 2010
I'm sure this is an easy one, but when I'm not using a code behind, I can get the Literal to change to my default text, but when I am using the code behind to insert my code, it's acting as if the Page Load event doesn't fire off, and the default text ofText to display2 is still shown, when it should show test. Can anyone show me what I've done wrong?
CodeBehind Page
[Code]....
Code Page
[Code]....
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Nov 6, 2010
now a days i'm working on my project. In project there is a aspx page which is binded with a masterpage, the problem is that when i run the project in debugging mode i found that page load event of a page is firing two times instead of one along with masterpage page's page load event. This is crreating a problem in filling a grid. I searched through the internet for this problem some says that it may happen if u have any image whose src="" or due to some bad HTML's on page .But i've gone through the page it does not contain any image whose src="" .
[code]....
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Apr 21, 2010
I have as asp.net website the code behind is C#.
i my application Page load method is firing two time.
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Aug 26, 2010
I have a page with in a master page. This page has a user control with a text box and a button. I also have another button on the page. As the page first loads the button_click event on both the controls does not fire when clicking the buttons. I also have an event on the enter key on the text box. This event fires which causes a post back. After post back now my button_click event fire. The button_click event does not fire on the first page_load.
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Jan 27, 2010
am using a master page, with children pages.
I am using forms authentication, and a session object to hold user information once the user is authenticated.
I am able to login and log out. I am able to log in and use the "remember me" functionality of the forms authentication.
When attempting to test the "remember me" functionality, the master page load event contains code to check the forms authentication & remember me, and retrieve user info from the database to automatically log the user in. This fires correctly, and the screens all load with the user successfuly logged in, and the users info is successfully stored in a session object.
Without touching anything on the screen, a moment passes and then the master page load event spontaneously fires again, Page.User.Identity.Name still contains the user name, however the session variable is now null, and throws an error.If I tell it to run past this error, it does, and the application continues to function normally, withthe session variables set correctly.
Its almost as if that second firing is ina different session, or something.
I have no problem posting code, but I have a profile class holding / handling the session communication, etc so it is a bit cumbersome.
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Jan 14, 2011
After a user logs off from our web-site we need to fire off some HTTP requests to 2-3 other external urls (we don't need a response from these btw).
The url request must be performed on the client as the requests will cause a log-off to be performed on these external sites on the users current session.
The only way I thought that this could be achieved would be to render some invisible iframes and set the url to each of them so that when the page loads the requests will be executed.
Is there another way this could be achieved? The above solution seems a bit hacky.
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Feb 11, 2011
I have a DetailsView control bound to an ObjectDataSource within a User Control (.ascx). It appears that the DetailsView.OnDataBound event is being fired on every page load or postback.
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Nov 4, 2010
I am also facing some issues with Back Button of Internet Browser as well. Actully Page Load event of my page is not firing when i click on Back Button of Internet.
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Feb 6, 2011
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[code]....
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Feb 5, 2011
I have today developed a page that builds a series of RadioButtonLists, which may or may not be required fields.
As the page varies depending on DB values, I have rendered the controls using .RenderControl().
Unfortunatley I do not have the code to hand right now, but its along the lines of:
RadioButtonList rblQuestion = new RadioButtonList();
rblQuestion.id = question.ID;
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RequiredFieldValidator rfvQuestion = new RequiredFieldValidator();
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This seems to work fine, all appears as expected apart from the RequiredFieldValidator - I get a red asterix (My ErrorMessage) next to each RadioButtonList - But this appears as soon as the page loads, not on a post/button click.
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Feb 17, 2011
I am using 2 combobox , In form_load event i am loading the combobox using dataset and In selectedIndexChanged event of the combobx1 we have to load combobox2
I am having a problem that when i load the form, combobox selectedIndexChanged event is firing automatically So how can i avoid this.
I understand that if it's a web application then IsPostBack method will be useful, but what to do as it's a windows (desktop) application.
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Feb 25, 2010
I hv Declared two Master page one Is Base and Derived.. Base Page Load is working but when i hv written load controls in Derived Page Load Using C# it's not working..
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Jul 1, 2010
how i can load an panel(that contain for example Weather information) after page load
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Aug 3, 2012
I'm using SelectedIndexChanged on a gridview row to trigger an event which is working fine in a normal webform. But, when I included "master page", it's not triggering the same event.
everything is same except, I added MasterPageFile location & removed FORM tag.
ASP code
<%@ page title="" language="C" masterpagefile="~/site.master codebehind="test.aspx.cs" inherits="Main.test" enableEventValidation="false"
autoeventwireup="true"%>
<asp:content ID="content1" contentplaceholderid="headcontent" runat="server">
<link href="styles/CS1.css" rel="stylesheet" type="text/css"/>
<asp:content/>
<asp:content ID="content2" contentplaceholderid="maincontent" runat="server">
[CODE]...
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Jul 7, 2010
I am trying to create a progress bar for page load as it takes long to load. I need help to resolve jscript error 'null' is null or not an object on line $get("btn").click();
[Code]....
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May 14, 2010
Control ctrl = new Control();
this.PlaceHolder1.Controls.Clear();
ctrl = Page.LoadControl("uc1.ascx");
ctrl.ID = "DynamicCtrl";
this.PlaceHolder1.Controls.Add(ctrl);
instead of using a control to load can we load a page .. like example.aspx
page mypage=new page();
mypage= Page.Load("example.aspx");
how to do this. as i am getting the erro
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Apr 11, 2010
I have a update panel on the ASPX page,When thepage loads the content in the update panel shouldnot load ( Update panel should show the Updatepanel progress control) but after page load update panel contents should load . How do i get this efect.
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Feb 17, 2011
I have required field validators in my ASP.NET application form.
In the button click event of the FORM, i.e. OnClientClick(), I am calling a javascript function to validate the controls in this same page. Due to this the required field validators are not getting fired.
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Mar 16, 2011
we are creating a custom content management and out portal page is bit bulky it is about 60Kb without images.
and during loading the page in some browser we can see some parts of site load faster than the other parts of the site where as we want to indicate (or instruct the web server) to load some of the areas first then load rest of the page.
is there any particular setting in IIS for is there any particular method in classic asp for doing that?
also I have the same question in asp.net.
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Jun 18, 2010
I'm developing my first Facebook application in ASP.NET 2.0 and doing a simplest thing, that is, to show a navigation on top with four hyperlinks where each link targets to another .aspx page. How can I do this using FBML in ASP.NET 2.0?
Otherwise coming to my question, where I'm struck after trying above thing at myself and failed then had to go around the Ajax way of doing this. Now I'm using Ajax call over the onclick event of each hyperlink from top navigation and it's succesfully loading external .aspx pages (for example,[URL]. The problem is when user comes on the application on first time, it only shows the .aspx page which has a navigation and a Ajax content place holder which is programmed to be filled with contents on click event.
How to load Ajax contents into the Ajax content place holder on page load without a click event?
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Jun 21, 2011
I am using a third party gateway. The third party gateway does not support query-string , so i will need to post the form to pass the values to the given URL and another thing is that they don't expose the web-services so we need to use their page and that means we need to host it in an iframe in asp.net
so what i did is that i have hidden fields that will be used as parameters as depicted below
Code:
<input type="hidden" name="p1" value='4635' />
<input type="hidden" name="p2" value='Reference_test' />
<input type="hidden" name="p3" value='Purchase credits' />
[Code]..
Now the purpose of this , is to load the iframe after the page load event of the asp.net gets fired.
Now my problem here is that when the iframe loads , it does not pass the parameters to the url that is being set in the iframe.
I have attached the example, project. (2kb)
When you run the project you will notice when the iframe loads there is an Error
"NO VCS ID"
now this means that the parameters were not passed when the Iframe loads , i can understand because it seems like iframe does not do a full form post. so to demonstrate what i want, click the proceed button and you will notice it will give you a page with no errors and it will be a page where credit card details are required , i want to iframe to load that the first time.
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Mar 3, 2010
Here is the situation, I have a nested master page with set of global filters for reports. When they click the run button in the master I want the content page to process the filter and execute a general function called RunReport on the content page. Each report has its own content page with its own RunReport method. Everything I see online says to use public events with the RaiseEvent call. This was easy to code but it doesn't seem to be firing the event on the content page. How do I know, I have an error message section on the master page which I can send messages to from the content and it is displaying nothing. I also put a break point in the content page method and it never hit it. NOTE: MyPortal is a class that contains to variables call Master, which reference the main master page, and Validations which references the nested master page. The page does not throw any errors, it just refreshes like a normal button click. I have traced code to make sure it gets to the RaiseEvent call and when I tried to step into the code it skipped over the line. Here is some code for the nested master page:
[Code]....
Here is some code for the content page:
[Code]....
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Nov 10, 2010
almost done with my gridview model... Everything is working fine, bit today I noticed that my gridview delete only works on the first page of the paginated gridview. As soon as I goto the next page of my (eg) 10 rows, I can click on delete what I wan't but nothing happens. So this is what i use:
I have a gridview with a datasource, including filter- and selectparameters, paging, ipp selector etc. No code behind used.
For the delete of a row I use a imagebutton in an templatefield:
<asp:TemplateField>
<ItemTemplate>
<asp:ImageButton SkinID="ImageDelete" runat="server" ID="ImageDelete" CommandName="Delete" OnClientClick="event.cancelBubble=true; return confirm('are you sure?');" />
</ItemTemplate>
</asp:TemplateField>
In my SQLdatasource I use a Deletecommand and deleteparamter:
DeleteCommand = "DELETE FROM [TblMessages] WHERE IDtblmessages = @IDtblmessages"
<DeleteParameters>
<asp:Parameter Name="IDtblmessages" Type="Int32" />
</DeleteParameters>
it's working fine on the first page, but not on a nother page when I'm paging throught the total set.
I also use a filterexpression and selectparameters (bases on dropdownlists) to filter the gridview. This also works great, but the same ater applying a filter: the delete imagebutton doesn't work then.Just found out it's caused because something I completely forgot: the gridview resides in a updatepanel. My structure is as follows:
masterpage > content > updatepanel > gridview
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May 18, 2010
I have a master page with a login box on it. Inside the login box is a button -
[Code]....
NOW ... On my local dev machine this code works fine. The control fires the event and everything is how it should be. When I run this site on a remote web server (tried two of them - both IIS7 running on 2008 R2) the event is never called. I added some logging to see what is happening and the PostBack event on the Master Page does not happen when the button is clicked - the page is just reloaded.
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