Web Forms :: How To Execute Javascript Function On Page Load
Apr 23, 2010
I have created javascript function as mentioned below to hide/show some control. I am calling this script on dropdown on 'onchange' method. In dropdown first item is "-- Select --". I want to execute it on Page Load function, so by default it will be hidden. I tried to call like this on Page load, but it is not working.
I need to call a function everytime a visitor visits one of my website's page. But I do not want the execution of the function to interfere with the interface between the user and the website i.e. different thread. What is the best way to do that on ASP.Net?
function SetScrollEvent() {Â 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
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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.
I want to run the LoadArray() function initialy when the page loads. This function is calling a pagemethod given in aspx.vb code file..
Partial Class test3 Inherits System.Web.UI.Page <System.Web.Services.WebMethod()> Public Shared Function Load_Array() As String() Dim Model_Name_old As String()() Dim mod_code As String() Dim mod_name As String() Dim cod_upper As Integer //calling webservice that retunrs a jagged array Dim ins As New localhost_insert_model.dbModel Model_Name_old = ins.get_Model_Name("A") mod_code = Model_Name_old(0) mod_name = Model_Name_old(1) Return mod_name End Function End Class
So how can i load the javascrip LoadArray() function onPageLoad in this scenario?
I only want to execute this JavaScript function runEx() if publicVarFromCodeBehind != "abc".
I am setting the publicVarFromCodeBehind = "abc" in the Page_Load event but anyway the runEx() function is executing. I wonder how this works and how to prevent runEx() from executing though I need to catch the logic from C# and pass on the variable to the JavaScript.
I am using a Timer with a 3 minutes interval. I am exeuting the Page_Load event every 3 minutes. I am doing that this way as I have all this code inside an UpdatePanel1 which causes
a partial unnoticed postback to the server. I have a lot of code in the Page_Load event that I haven´t put here.
But what does not work is the code I have in the Page_Load event now.
I am trying to execute the javascript function with this line: body1.Attributes.Add("Onload", "startbk()");
This function should start an imageButton to change image between 2 images. This function do works if I refresh the page so the function itself do works.
But it seems this function does not execute when the Timer executes the Page_Load event, so this is my problem how I can solve this?
I have downloaded a jquery tool which creates overlay windows so here is the code which I want to trigger by calling a javascript function instead of a button or link.
The CSS
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The HTML note the overlay is executing when i click the button i want this to be triggered on javascript function)
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All i want to do is call a function lets say "ShowOverlay()" from my code behind using ClientRegisterScript() and it should do the same as it is doing on button.
how to execute the code behind function using JavaScript keypress ?
The reason is that the keypress that I'm referring to will be used in searching record so I want that every keypress a result will be shown in the gridview immediately.
How do I execute a function in JavaScript when a text box is populated with text? The text box with be hidden from the user. It will be populated by a USB magnetic card swiper.
Pseudo code:
<script language="javascript" type="text/javascript"> function MyFunction() { //execute this function when MyTxtBox is populated } </script> <asp:TextBox id="MyTxtBox" runat="server" Visible="false" />
I have a page that calculates some stuff and then displays it to the user. Because the calculation part takes a while I would prefer to have the entire page load with empty data and only after that call the calculation and the display data function.
How do I execute an JavaScript function right when an ASP.NET text box control is populated and focus is still set? The onChange event will not work because I need to programmatically move focus to the next form element after the JavaScript function has executed.
Is is very similar to this question. The marked answer is correct for the context on the question, but after some more testing it did not exactly solve my current issue.
I have some code I only want to execute the first time I display a form. With this in mind I created a class variable which I initialize the first time I execute page load.
public partial class CLVideoDefinition : System.Web.UI.Page { string videofile; string first; protected void Page_Load(object sender, EventArgs e) { if (first != "N") {
I then select a value from a drop down list , but when it does the auto postback it executes page load but my class varaible has been reinitialized to null and will then execute the code I only want to execute on the first run. why my class variable has been reinitialized.
On a page with some user controls, I need to execute some lines of code only once (i.e. not on postback), however, the code must run after ALL page objects complete loading.
Example, Page1.aspx also contains uc1.ascx and uc2.ascx. If I imbed the code in a if (!PostBack) code block, it will end up running before the corresponding page load is completed for uc1 and uc2.
Is there a way to run the code on Page1.aspx once AFTER all the objects on the page have run thru their page load events?
I am writing an ASP.Net application. I am making use of master page in it. I have several child pages with me, which consist of some java script functions; Let's say;
function ChildPageFunction() { //Do something; }
And master page java script function as;
function MasterPagefunction() { //Need to call ChildPagefunction(); here }
Now is it possible to call ChildPageFunction() from MasterPageFunction()?
I have a javascript function on my Master page, how do I access it with a dropdownlist of a content page. Not from codebehind, I can do that, but from the control itself such as the onSelectedIndexChanged event.
I want to call a javascript method during page load. I am using application.master of the sharepoint server 2007 as the master page . In the content page i want to call a custom method named OnLoadFun() during loading the content page. I have written the function inside script tag in the PlaceHolderAdditionalPageHead id section of the content page.
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How do i call the OnLoadFun method so the i is being called onload time. i tried putting window.onload=OnLoadFun surrounded by script tag within the PlaceHolderMain content section.
i'm about to go through my entire site now wrapping that function around every little text variable one by one and it's going to be a huge pain in the butt
i'm hoping there's a way that i could just set my masterpage to automatically run all text through this thing on any page_load, so that the effect would be site-wide instantly. is this possible?