Web Forms :: Getting Error Calling Javascript Function From Another Javascript Function

Jan 3, 2011

Getting error calling Javsscript function from another Javascript function


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Jquery - Calling A Javascript Function When An Error Occurs

Apr 1, 2011

I have overridden OnError method in the page:

public string script;
protected override void OnError(EventArgs e)
script = "alert('error');";

In the aspx, I have this:

<script type="text/javascript">
<%=script %>;

I am simulating an error in Page_Load, but its not firing the alert. If I switch the code from OnError to OnLoad, it works great.

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Web Forms :: Calling Javascript Function On Server Control

Feb 8, 2011

I want to call a validate function on asp:button click event and also want to do some server side work on this click like adding values to session variables and redirecting page to new one.

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Calling Javascript Function From VB.Net?

Nov 15, 2010

Is is possible to call a Javascript function whether it's embedded in the HTML markup file or a .js file from a VB.Net procedure/function?

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Calling A Javascript Function In C#?

Mar 26, 2011

i wanted to show or hide duplicate records according to query. So, I need to know how to call the javscript function from C# codebehind.

<a onclick="Grid1.insertRecord(); return false;" id="a2" href="javascript:">Save</a>

When I click save i need to show a popup which i Have written in javascript.

if (!exist)//exists is the query
System.Web.UI.Control my = FindControl("a2");
a2.Attributes.Add("onclick", "retrun HideDuplicate()");

This line returns an error saying "a2 doesnot exist in current context."

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MVC :: Calling PartialView From A Javascript Function?

Aug 2, 2010

how to call a partial view from within a Javascript function? I've looked around the web, but all the examples that I have been able to find are examples using Ajax.ActionLink or Ajax.BeginForm.

When a user clicks on an item, I want to be able to hide/display some Divs and possible do other operations before calling the partial view. ActionLink doesn't appear to provide that ability. Depending upon the item the user clicked, I may be assigning the results of the PartialView to the same Div, or to a different Div.

What I'm looking to achieve, is to have an onclick handler associated with the item which performs whatever other operations might need to be done, then assign the result of the call of the PartialView to the appropiate Div. In some instances, the function might even be making two separate calls to PartialViews, to update the content of two separate Divs.

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Web Forms :: Calling A Javascript Function From Button Click Server Event?

Jun 30, 2010

I have a web form in which I create many controls including a submit button dinamically.

I want to check a condition in the button's click event and if it comes true, call a javascript funtion to show an alert. but the problem is when I use :

Page.RegisterClientScriptBlock("ClientScript", script);

in the btn_Click event, it is not working. I guess the script should be registered at page_load.

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Forms Data Controls :: Calling Javascript Function From Hyperlink Field?

Feb 3, 2010

Can I call a javascript function from a hyperlink field in gridview?I dont want to navigate to a different page,instead i need to call the javascript on clicking the hyperlink.

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Calling Javascript Function Inside Page?

Mar 11, 2011

using vb.net/asp.net 2005

I have a content page (<asp:content>) where I am using javascript and normally I am adding the attribut in the code-behind page. however I now need to add a javascript function that will cause when the body or panel loads. I have a test javascript function that simply shows an alert box but I cannot get it to display. Is there a special way to do this in a content page?


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Calling A Function Of An External JavaScript File?

May 29, 2010

How can I make a call on a function of an external javascript file?

More specific...

In the head tag i have

<script type="text/javascript" src="JScript/FontSize.js"></script>

The external javascript file, (that i would like to call) FontSize.js contains the following functions.


Of course nothing works as it should because, i do not know how to make the call to a function to an external js file

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Calling JavaScript Function Of Boolean Type?

Dec 13, 2010

I am trying to call a Page Method using AJAX.

See the code

<asp:Button ID="btn_upload" runat="server" CssClass="btnEffects" Text="Upload"
onclick="btn_upload_Click" OnClientClick="return Validate();" />

Validate method is supposed to return true/false. The code for Validate method is

<script language="javascript">
function Validate()
var filename = $get('<%= txt_filename.ClientID %>').value;
PageMethods.IsValidFile(filename,OnSuccess, OnFailure);
// IsValidFile is a Page Method of bool return type
function OnSuccess(result)
if ( !result)
alert('File '+ $get('<%= txt_filename.ClientID %>').value + ' does not exist');
return false;
return true;
function OnFailure(error)

My problem is that even after showing the alert 'File somefilename does not exist'. The whole page refreshes (i.e, postback happens)

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Forms Data Controls :: Calling Javascript Function From Gridview Button Click?

Feb 2, 2010

I need to call a javascript funtion, on the click event of buttons(asp button or html button) in my gridviw.Also I need to pass the ID from the gridview(datakey value) as a parameter to the javascript function.

ie ,All the rows in my gridview has a button field,on clicking each of the buttons ,a javascript function is to be fired ,and the ID of that particular row from gridview(datakey value) should be passed to the javascript as a parameter.

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Forms Data Controls :: Calling A Javascript Function In RowDatabound Event Of The Gridview?

Feb 4, 2010

Can I call a javascript function in the RowDatabound event of the Gridview?

I am currently enabling/disabling buttons in each of my gridview rows based on a status value from the database.I need to fire a javascript function (say alert('current status')) when the status is 0,else dont fire that function.Can I achieve this in the row databound event?

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JQuery :: Calling Code Behind Method From Javascript Function?

Dec 27, 2010

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;
var _currentSeconds = 0;
function ActivateCountDown(strContainerID, initialValue) { _countDowncontainer = document.getElementById(strContainerID);

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AJAX :: ScriptManager.RegisterStartupScript() Not Calling The Javascript Function?

May 21, 2010

I am working with vs 2008 and C#. I am having a code behind function as follows(not complete)

protected void btnShowZone_Click(object sender, EventArgs e)
string setofalllatsandlongs = null;
foreach (string s in ar)


</div>In thIn the click event of the btnShowZone(in bold) i am calling the code behind method and from that i am trying to call the js function using the script manager class.

But the javascript method is not getting called.the control is not going to the js function.

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Calling JavaScript Function Disables Calendar Extender

Jan 23, 2013

I have a script manager and calendar extender on my aspx page. When I call a javascript function from my code behind page, the calendar extender doesn't work

ScriptManager.RegisterStartupScript(Page, this.GetType(), "javascriptfunction", "<script language=javascript>function();</script>", true);
Page.ClientScript.RegisterStartupScript(this.GetType(), "javascriptfunction", "<script language=javascript>function();</script>", true);

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Forms Data Controls :: Calling A Javascript Function In A Grid View Update Statement?

Mar 12, 2010

i need to know if this can be done :

i have a grid form with 3 fields field1 & field2 & field3.

in the insert statement the field 3 gets a javascript function result that uses filed1 & 2 values.

Now what i want in the grid view update statement is : to call the @field 1 & @field2 from the update statement to a similar javascript function..(do soem calculation ) and then re-assign the java function result to the @field3 variable in the update statement..

(//// Or simply what i want is to do the same calcultions onthe fields while perfoming an update operation.. //).

how can i perfom the calculations in a grid view update statament ..

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VS 2008 - Calling A Server Side Function From Javascript Without Using PageMethods?

Sep 17, 2010

i have used PageMethods to access the server side functions in javascript , but now my problem is that with pagemethods your controls will not go throught the full page lifecyle and these leads me to have "Object not set for an instance of an object" error. Now can someone come with a differnt approach without using pagemethods. What i want is to call a server side function , i dont want to pass any parameters to it

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AJAX :: Calling A Server Side Function From Javascript Without Using PageMethods?

Sep 17, 2010

i have used PageMethods to access the server side functions in javascript , but now my problem is that with pagemethods your controls will not go throught the full page lifecyle and these leads me to have "Object not set for an instance of an object" error. Now can someone come with a differnt approach without using pagemethods. What i want is to call a server side function , i dont want to pass any parameters to it

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C# - How To Return False In Javascript Function From JQuery Calling [web Method]

Mar 3, 2011

So in default.aspx I have the code

<script type="text/javascript">
function validateForm()
{ [Code]....

When I call test() from javascript i want it to return false but cant seem to geta value from test.

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Javascript - Get Callback Info Back To Original Calling Function?

May 7, 2010

Let's say you have a Javascript function that calls a web service method. So that webservice completes and calls a callback function, which has the result.

How do I get that result back into the original function that called the web service method? Essentially, I'm trying to "synchronize" an asynchronous call.


This is what I'm trying to do. I'm validating based on the return value of a web service.


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Calling JavaScript Function From Code Beind (c#) Catch Block

Oct 22, 2010

I am trying to call a JavaScript function from my ascx control code behind in the catch blockI have tried the below two ways but they don't seem to work.

Page.ClientScript.RegisterClientScriptBlock(typeof(string), "script", "test();", true);
ScriptManager.RegisterStartupScript(Page, GetType(), "err_msg", "alert('error');", true);

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AJAX :: JQuery - Calling JavaScript Function After Request Completed

May 7, 2015

function DatalistFunction(argumentid) {
set_minimum_points_for_session = value;

this is my code which i am calling on link button onclientclick event.

sometimes what happens is redeem function gets called first and then setsession function gets called. do i need to put some delay or something between the 2 functions, so that they run everytime in their own order

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Web Forms :: Javascript Function Expected Error?

Oct 30, 2010

I'm using the CustomValidation Function to call my javascript but for some reason I'm not getting the * to indicate the error to the user. I keep getting a Function expected Error, so what is wrong with my javascript that's causing this error and why aren't I receiving the * notification?


<script type="text/javascript" language="javascript">
function checkAGITotal()
var a = document.getElementById('<%= NumberInHouseholdTxtbox.clientid %>').value;
var b = document.getElementById('<%= AGITotalTxtbox.clientid %>').value;
if (a == "1" && b <= "27247" || a == "2" && b <= "35630" || a == "3" && b <= "44014" || a == "4" && b <= "52397" || a == "5" && b <= "60781" || +
a == "6" && b <= "69164" || a == "7" && b <= "70736" || a == "8" && b <= "74020" || a == "9" && b <= "81500" || a == "10" && b <= "88980" || +
a == "11" && b <= "96460" || a == "12" && b <= "103940")
return true;
return false;
vb.net code:
Total: $<asp:TextBox ID="AGITotalTxtbox" runat="server" Width="116px"></asp:TextBox>
<asp:CustomValidator ID="AGITotalValidator" runat="server"
ControlToValidate="AGITotalTxtbox" ErrorMessage="Your household income exceeds the maximum allowed."
ClientValidationFunction="checkAGITotal()" SetFocusOnError="True">*</asp:CustomValidator>

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Calling A Javascript Function OnClick Of Submit Button The Range Validators On Page Doesn't Work

Jan 18, 2010

I have an issue in my application . When I am calling a Javascript function OnClick of Submit button, the range validators on my page doesnt work.

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