C# - How To Cal A Javascript Function From Page_Load In Code-behind

Apr 20, 2010

How can I call a javascript function, that is in the aspx page, from the Page_Load method, in the code-behind

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Aug 18, 2010

I am using google map APIs in my ASP.Net application and using following line to pass LatLong to

java script function- GmlMoveEditorMarkerAddress (declared in .ascx file).

[code]....

Above code is running on button_click/dropdown_selectedindexchange but not on page_load.

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Web Forms :: How To Activate Javascript Function From Page_Load And Updatepanel

Feb 13, 2011

In the first Page_Load, I am activating a javascript function to make an ImageButton change between 2 images with an interval.

This works fine.

Now when pressing this imagebutton, the Page_Load event will fire the second time and all this is happening in an updatepanel which means a partial postback.

The question is how to execute the javascript function stopbk() in the Page_Load event in this scenario as I cant just put it in the "Onload". How can I make that work?

Code is below:

[Code]....

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Web Forms :: Timer Executes Page_Load That Should Execute Javascript Function But Does Not Work?

Feb 10, 2011

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 havenīt 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.

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[Code]....

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Call Javascript Function From Code Behind After Server Side Code Executes

May 25, 2010

I have an asp.net button, that when clicked calls a code behind function. The function does some evaluation, and then I want to call javascript from within this asp.net function.

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I am trying to call javascript from the page code behind on a button click using the following code.

System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("<script language="javascript">");
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[code]...

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Call you cal a javascript function from the code behind? If so how?

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Dec 9, 2010

How can call som code behind in javascript? (asp.net 3.5) For example: we have javascript function to get textbox length,and we want to update gridview(Gridview1.databind()) when textbox.length=3

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Aug 13, 2010

I need to call a javascript function from C# code after page Load, or is it there any way that I can do this on .aspx page itself??

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Jul 16, 2010

I am trying to call a javascript simple alert function when I catch an exception in my C# code as follows:

inside my function:

try
{
//something!
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Feb 24, 2010

I have a javascript function named as sss() . I want to call it from the code behind.

function sss() {
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};

I used this code

Private Sub dataGridView_RowEditing(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewEditEventArgs) Handles dataGridView.RowEditing
If (Not ClientScript.IsStartupScriptRegistered("sss")) Then
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End If
End Sub

but it is not firing when the grid is in the ajax update panel. Why?

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Sep 29, 2010

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Jun 11, 2010

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

[Code]....

The HTML note the overlay is executing when i click the button i want this to be triggered on javascript function)

[Code]....

[Code]....

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.

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Sep 28, 2010

I want to send value from text on text keypress event in C# Code Behind Function. or get value from server side script function which called on textbox keypress event to C# Code Behind Function. How i do that

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Oct 15, 2010

I need to run a javascript function before my code behind runs. my element looks like :

<asp:Button ID="SuperaddsSMSPnl_Button1" runat="server" Text="Smsa" CommandName="smsa"
CommandArgument='<%#Eval("addsid") %>' CssClass="knapp" Style="left: 180px; top: 20px;" />

and in code behind I use

Dim smsbtn As Button = it1.FindControl("SuperaddsSMSPnl_Button1")
smsbtn.Attributes.Add("onclick", "showSign(this); return true;")

to show in progress sign while code behind is doing its job. but I want code behind to run by using commandName

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Mar 2, 2011

I've something like

[Code]....

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Aug 13, 2010

I want to pass some argument to javascript function from code behind. My Javascript function as follow. how to send arg to this func. from server side code.

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var newTabNames = "MyTab1,MyTab2,MyTab3";
//var newTabNames = document.getElementById("ctl00_GridContentPlaceHolder_hfTabs").value;
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var i = 0;
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May 26, 2010

I am wanting to send 2 parameters from my code-behind (c#) to a javascript function located in the header of the .aspx site.

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Mar 19, 2010

I am trying to call a javascript function from code-behind using the imagemap onclick event handler:

[Code]....

I'm not getting any errors, but the above is not calling the function. How do I call the javascript function?

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How To Execute Code Behind Function Using JavaScript Keypress

Jul 22, 2011

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.

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Pass Parameter As Text To JavaScript Function From Code Behind

Mar 23, 2010

Basically, I have a gridview that is opened in a new window from the parent window. It has a bunch of records with a view button to view the details of each record (which stays in the same newly opened window). I have a calendar in the parent window that accepts a Date querystring parameter to set the current date on the calendar at page load. I'm just trying to refresh the calendar in the parent window to match the date of the label in the newly opened window. All the code below is in the newly opened window. The .Net code-behind below refers to when that view button is clicked and everything is populated. At the end, I call the js to refresh the parent window and pass the value of the LabelScheduleDate as the querystring parameter. Now the label comes through as '03/25/2010' in the code-behind, but when I pass it to the js, it comes through as '0.00005970149253731343' in the end querystring. I'm not really sure what is making the value change, and I want to pass it as just text. Do I need to pass it as a string object? I tried but I don't think I was doing it right.

JavaScript Function
function RefreshParent(inputDate) {
window.opener.location = window.opener.location + "?Date=" + inputDate;
}
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Mar 1, 2011

My external javascript file named "messages.js" located in the "/scripts" directory:

[Code]....

How do I call this function from my codebehind? I need to register it through the client script manager right? Can someone provide me the call as I'm not sure how to add the function through an external file using type="text/javascript"

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I have a java script function which presents a countdown timer.when the timer reaches zero, I want to somehow activate a function on the server side in the code-behind.I understand it is impossible to directly call a server-side function, but is there a simple way to still fire it?I want to fire the (event-handler) code behind function: protected void ButtonFinish_Click(object sender, EventArgs e).

var _countDowncontainer = 0;
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[code]...

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Oct 8, 2010

My motto is to call a Java script function at the end of button click code behind. ie, firstly i need to execute the server side function after which my java script function should get invoked. My server side method is as follows

protected string SaveEmbedURL_click()
{
if (txtembedurl.Text != null)
{
School aschool = new School();
aschool.SchoolId = CurrentSchool.SchoolId;
aschool.EmbedUrl = txtembedurl.Text;
SchoolRespository.updateEmbedUrl(aschool);
return "true";
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My Java script function is as follows
function SaveEmbedUrlClientSide() {
admin_CustomizeTheme.SaveEmbedURL_click(true);
$('#lbl_embedcode').removeClass('hide').addClass('show');
$('#embedCode').removeClass('hide').addClass('show');
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