Why Does Some Page Components Not Getting Fully Loaded In Page_Init
Jul 5, 2010In page-init, view state and some other components don't get loaded. Which are they?
Why do they loaded in Page-Load only? What does the need of Page-Init then ?
In page-init, view state and some other components don't get loaded. Which are they?
Why do they loaded in Page-Load only? What does the need of Page-Init then ?
How can you determine if your page is fully loaded in asp.net c#?
View 6 RepliesHave a GridView in an UpdatePanel, all works fine. Click the Submit() button which updates the database on postback, then the GridView is bound in code and I register an alert:
ScriptManager.RegisterStartupScript(this.UpdatePanel1, typeof(string), "dopopup", "alert('Operation successful!');", true);
Calling UpdatePanel1.Update() causes the popup to appear. All fine but what I am noticing is that the alert occurs just before the page has fully updated and is causing a few minor layout issues that are resolved when the alert button is closed (by clicking OK). Is there a way to generate an alert after a full UpdatePanel refresh, so something like:
ScriptManager.RegisterFullyLoadedScript(this.UpdatePanel1, typeof(string), "dopopup", "alert('Operation successful!');", true);
I tried a simple wait() in the code like this:
ScriptManager.RegisterStartupScript(this.UpdatePanel1, typeof(string), "dopopup", "wait(100);alert('Operation successful!');", true);
But this didn't work.
I have this problem in loading contents of the site where there's a certain time that those elements that supposed to be hidden are shown for a while before the page is completely loaded.
Everything below the dropdown is supposed to be hidden and they show atleast a second that is very noticeable, that I still have the time to have a screen shot. Below is when the content is completely loaded.
Everything inside the content is inside an UpdatePanel, and I am using a jqTransform to transform the form elements. I know that jqTransform is called after all elements is loaded, but I just don't understand why it is showing the hidden elements before the page is completely loaded.
Is there any work around this one that I will only show directly the completely loaded page instead of showing the hidden elements before hiding them?
FYI: Elements hidden will be shown according to the value selected on the dropdown. If the element is hidden before the jqTransform is called, once I show them back, it is unusable or cut off.
We were having occasional reports where the value of a set of DropDownBoxs in a GridView would be reset to the first value item in the list.
We finally tracked it down to a timing issue where a user would click Save before the page finished rendering/loading the data, and we are able to repro it on the production server but not locally because the page loads too quickly.
How would we go about detecting this on the server side to know the data returned is invalid or otherwise stop from setting data that the user didn't set?
When user cliick on the control before page fully loaded it goes to error page.
Following is the trace.
Execution Error
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
[code]....
I am struggling a little creating a basic redirect page in ASP.Net but ensure the HTML is loaded first.I tried putting Response.Redirect in the page load event but that fires before the HTML is fully loaded. Been trying to use a timer but just not doing anything.I need the HTML to load before the redirect occurs is I have a statcounter script installed to log the visit before it redirects of my site.
View 4 RepliesI am using if (document.getElementById('<%= MainImg.ClientID %>').complete) {
hideLoadDiv();
}
to hide a div which indicates the image is not loaded yet,but it hides before the image has finished loading and is shown, while the browser is giving me a message that the page is still transferring data from the server :S
Is there another function I can use to make sure that the image is fully loaded?
am getting problem in SQL Server 2005 installation. When option of 'select components u want to install' comes, all components appears to be disable.
View 5 RepliesI m trying to load a new tab which should load WebUserControl2.ascx on button_clickbut I m coming across this eror: A Zone can only be added to the Page in or before the Page_Init event.I have a webpart in WebUserControl2.ascx which should load FeaturedControl.ascx.Well, i m getting the error when i click on button at :
Private Sub LoadTab2()
Dim uc2 As UserControl = CType(LoadControl("WebUserControl2.ascx"), UserControl)
tp2.HeaderText = "Tab2"
tc1.Tabs.Add(tp2)
tp2.Controls.Add(uc2)
End Sub
Where, tc is tabcontainer, tp is tab panel.
how to list components (Labels) from another page?
I want to design some kind of translater, but for the admin page of this I need to list all components from the other pages.
I'm creating a page that users can upload a file to the webserver. After upload the page will then have a link to the file that has just been uploaded, along with any other files that have already been uploaded.As I am programatcially creating links to the files which have been uploaded, I have to do this in page_init or else the link button won't fire off it's event when clicked. MY web page does all this - it creates the link buttons and when I click on them, it calls the event method required i.e. a sub to download the file.
OK, the problem I've come accross is: when I click upload (to upload the file) - the page_init sub is called, displaying all the previously uploaded files as link buttons. Then my btnUpload_click sub is called, which uploads my current file. The only prob is the current file hasn't been displayed? I can only display links in the page_init, but because btnUpload is called after the page_init, the current file isn't uploaded until after page_init and therefore not dislayed?
I do some dynamic stuff with UpdatePanel controls and it would be great to store stuff in a Session key and be able to grab it immediately with confidence in a Page_Init. Fantasy e.g.,
If(!isPostBack)
Session[pageInstanceID + "ThekeyIWantAccessTo"] = "123";
else
locVarValue = Session[pageInstanceID + "ThekeyIWantAccessTo"] +"";
I want something like this so that even if an individual user has two or more instances of that page open I am able to respond correctly to the immediate instance in Page_Init. Is it possible to achieve what I want or some facsimile of same? I know I can speculatively make an assumption and then check it in Page_Load when I have access to ViewState, but I would like something that approaches a best practice.
When we double click to page It creates an empty Page_Load event codeblock automatically. Or you know can create other control's event subroutine events by clicking the relevant event in properties window.
but how can we create a Page_Init ? is there an automatic way ? or should we just write its name and parametes manually is the only way ?
I wish I could go all the elements of an ASP.Net page (HTML elements) and manipulate its text property / value. How could I do that?
I've been checking, and the property this.Page.Form.Controls apparently gets all the elements, but I would only page elements that caught the event.
I'll put an example of code that I'm currently studying and trying adpater for my needs.
[Code]....
I have a requirement of accessing Microsoft word Document on asp.net web page. It should be opened in asp.net page only. And one should be able to write anything in it. I knw the reference to Microsoft office object library need to be added. that way we can save a word doc or can append any doc on machine. But to allow it to be visible to all on browser ,we should follow the procedure as for activeX controls. by creating Object tag in page source section.
<object id="MS" classid="CLSID:0002034C-0000-0000-C000-000000000046">
</object>
I'm new to AJAX/javascript, and I'm not sure what the best approach is for what I'm trying to do.
I'm calling page methods (WebMethods) on my Page using Javascript. The data I'm retrieving is a list of Divs basically.
I don't know how many will be returned, but they need to be inserted into the proper place on the page depending on their content.
I see a couple ways of doing this:
Create a list of HtmlGenericControls and pass them back. Create a list of Strings, where each String is the entire Div code I want to drop onto the page. (This feels wrong for some reason)Create simple container objects that have the necessary data in them. Pass those to the page and use them to create the Divs within javascript.
I have an .aspx page which seems to load OK upon initial load, but if you refresh the page it will not fully load (yet the browser indicates "done" in the lower left status bar).
What might be causing this?
The page is at [URL]
Here's the .aspx:
[Code]....
The problem i have noticed is that sometimes after a clientscript alert() the page will not post back properly and kind of "hang". The page will only show the background and will not do anything until the browser is refreshed.
[Code]....
I call clientscripts withing button click events, after the code has succeded or failed(try catch). So i will write to database/upload file/send email and then depending on the restult run a clientscript alert to notify the user. However sometimes after you "Ok" the alert the page does not finish posting back and "hangs" half loaded.
how to fix it? would adding return false; after the alert in the client script at all? (i have seen this in a online code example but they did not explain why they put it there).
I have search functionality on my webpage, that currenly only updates part of the page.
I want to append a search parameter to the URL for the sake of navigation a bookmarking, e.g. "...MyPage.aspx?s=searchstring"
However if I do this:
[Code]....
Then the page fully reloads.
I have a huge content on a page which scroll's down vertically and when I try to popup a modalpopup control on this page, some part of the screen is not grayed out on IE6 and user can interact with the background page ( even when modal popup is open) . This happens only on IE6 works fine on IE8 and firefox .
View 2 RepliesI have a page that downloads a dataset and streams the output to an Excel file by modifying the response headers.
I want to write an AJAX call on the client side that can display a modaldialog while the file is being generated and dismiss the modaldialog when the file has been fully rendered.
I can turn the dalog on when the user clicks a link, but for some reason my pages return readystate 4 and status 200 prematurely. (These are the codes that say the page is done)
Because this is happening, either the modal dialog is dismissed immediately or I need the user to dismiss it.
Has anyone seen this before? Is this an issue with streaming a file instead of hitting a physical page?
Does anyone have a work-around, or will I need to have the user manually dismiss the dialog?
My javascript that scroll down the page.
function SetScrollEvent() { window.scrollTo(0, document.body.scrollHeight);}
I update update panel from server side like below.
protected void rptList_ItemCommand(object source, RepeaterCommandEventArgs e){
//HiddenField hiddenId = e.Item.FindControl("hiddenId") as HiddenField;Label lb1 = e.Item.FindControl("Label2") as Label;
//Button bt = e.Item.FindControl("Button2") as Button;if (e.CommandName == "myclickevent"){
// your codes here...SqlConnection conn = new SqlConnection(constr);SqlCommand
[CODE] .....
I use repeater and repeater have button on button click i update the update panel. now where i have to call the javascript function so that it execute after update panel fully loaded. I want to call javascript function after page fully loaded.
this works great on my dev machine, but not working on godaddy.com. Every time I clicked on the image, the page is just loaded itself instead of going to the previewphoto.aspx page.
<img id="ctl00_ContentPlaceHolder1_ImgPhoto" class="ImgPhoto" onclick="<!--ow.open('../member/previewphoto.aspx?uid=676971b9-ca9e-463e-8b48-6b5d5b1b01c2&id=22', 'child', 'scrollbars,width=650,height=600--> return false" src="../Photos/../photos/UserLock.png" style="height:100px;width:100px;border-width:0px;" /><br /><br />
[code].....
I have to disable our parent page(Complete gray out and non functioning) when child page is loaded. Once I close child page then I could perform any action at my parent page.
I can not use Div at my parent page because it may be many page so i have to controlled it from child page only.