Javascript - How To Pass A Value From The Serverside Page To A Function In .JS File

Jul 30, 2010

I have to pass a string value from the server side page (.aspx.cs) to a function in .JS page. I need to call the function in JS page from server side page along with string as a parameter.

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C# - Pass Value To Javascript Function ?

Jul 11, 2010

I have this code

<asp:GridView ID="gvCentersList" runat="server" AutoGenerateColumns="False"
DataKeyNames="CenterID" DataSourceID="SqlDataSource1" CssClass="gv-classic">
<asp:TemplateField HeaderText="">
<asp:CheckBox ID="GridCheckBox" runat="server" onclick="javascript:func1150(this,<%#response.write(CenterID)%>);" />
<asp:BoundField DataField="CenterID" HeaderText="CenterID" SortExpression="CenterID" />
<asp:BoundField DataField="CenterName" HeaderText="CenterName" SortExpression="CenterName" />
</Columns></asp:GridView><asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:MyConnectionString %>" SelectCommand="SELECT ROW_NUMBER() OVER (ORDER BY CityName ASC) AS ROWID, * FROM [CentersList]"></asp:SqlDataSource>

my question in this line


how can I pass the CenterID to the func1150 ?

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Pass Javascript Value To Function?

Jan 3, 2011

the question says it all : i have a linkbutton to which i pass through CommandArgument a value and i need that value to be a javascript value.Edit : here is my linkbutton tag :

< asp:linkbutton id="prevBut"
runat="server" OnCommand="load_com"


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Pass ID From GridView Row To JavaScript Function?

Sep 3, 2010

The first commented line below is working with a hardcoded ApplicantId, and all I need is to make it work by passing the current ApplicantId column on the same gridrow.

I've tried for many days now, and something like the second commented line does not work for me.

<asp:GridView ID="GridView1" runat="server" AllowPaging="True"
DataKeyNames="ApplicantID" >
<asp:TemplateField HeaderText="Select">
<asp:CheckBox ID="CheckBox1" runat="server" />
<!-- works -->
<asp:HyperLinkField NavigateUrl="javascript:popUp(3)" Text="Select" Target="_parent"/>
<!-- doesn't work -->
<asp:HyperLinkField NavigateUrl='"javascript:popUp("<%# + DataBinder.Eval(GridView1.DataItem,"ApplicantId") %> + ")"' Text="View" />

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Pass Xpath Value In Javascript Function?

Apr 5, 2011

here my code that gives error-

OnClientClick='javascript:DragRevId(<%# XPath("ReservationId") %>);return false;'

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Define A Function In Embeded Javascript File Of A Server Control To Access Page Load Event?

Jan 25, 2011

I have designded a server control that have an embeded javascript file.

document.getElementById("div_Messages_Back").style.left = 0;
document.getElementById("div_Messages_Back") = 0;
document.getElementById("div_Messages_Back").style.width = document.documentElement.clientWidth;
document.getElementById("div_Messages_Back").style.height = document.documentElement.clientHeight;
document.getElementById("tbl_Messages").style.left = (document.documentElement.clientWidth - 250) / 2;
document.getElementById("tbl_Messages") = (document.documentElement.clientHeight - 120) / 2;
function btn_Close() {
document.getElementById("div_Messages_Back").style.visibility = "collapse";
document.getElementById("tbl_Messages").style.visibility = "collapse";

I want the first 6 line of my javascript file run at runtime. But I recieve error at runtime:

Error: Object Required.

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Web Forms :: Pass Name Of The Textbox Control To Javascript Function

Dec 22, 2010

pass name of the textbox Control to javascript function


var sum = 3;
var textboxObj,ObjName;
function validate(textboxObj,ObjName) {
var arrayOfObjects = document.getElementsByName(ObjName);
for (var i = 0; I < arrayOfObjects.length;i++) {
alert('Inside for loop');............................

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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;
.NET Code-Behind
Protected Sub RadGridOnlineRequests_ItemCommand(ByVal source As Object, ByVal e As Telerik.Web.UI.GridCommandEventArgs) Handles RadGridOnlineRequests.ItemCommand
If e.CommandName = "ViewOnlineRequest" Then
' populates LabelScheduleDate among other controls values
ScriptManager.RegisterStartupScript( _
Me, Me.GetType(), "clientScript", "RefreshParent(" & LabelScheduleDate.Text & ");", True)
End If
End Sub

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Web Forms :: Call Javascript Function - Can't Pass The 2 Argument

Jan 19, 2010

in aspx:

function checkFunction(no,name){

in cs:

string test_name ="hello";
StringBuilder Strname=new StringBuilder();
Strname.AppendLine("<td ><input type=checkbox onclick='checkFunction("+no+","+test_name+");' runat='server' name='checkbox_name' value='XX'</td>");

when i call the checkFunction(), i can't pass the 2 argument as there is error.

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Pass Eval As Javascript Function Parameter In Gridview?

Jun 25, 2010

I have the following:

<asp:Button ID="wrqst_need_ind_btn" runat="server" Text = "Create WR"
CommandArgument='<%# Eval("dvc_nm") + "|" + Eval("data_orgtn_yr") %>'/>

I want to pass in as two additional params the Eval("dvc_nm") and Eval("data_orgtn_yr") to the popup function.


I tried by removing the single quotes from insode the <% %> tags. Which gave me this:

onClientClick='<%# "javascript:popUp(popup_createWR.aspx," + Eval("dvc_nm") + "," + Eval("data_orgtn_yr") + ")" %>'

which complied, but when I clicked the button I did not get a pop up, the page just posted back and reloaded and said errors on page, but no popup...

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Javascript - Ajax Call Pass Parameters To Function?

Feb 7, 2011

What is wrong with this code? I am trying to pass parameters to a WCF function. I couldn't get this to work. I am getting Ajax error.

url: applicationPath + "/Test.svc/GetData",
type: "POST",
dataType: "json",
data: '{GId":' + sender.get_value() + '"GName":' + sender.get_text() + '"mId":' + testId + '}',
contentType: "application/json; charset=utf-8",
success: function(result)
//trying to fill combobox here

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Pass An Anonymous Array Of Strings To A JavaScript Function?

Apr 5, 2010

I want to pass to an array of controls' IDs to a javascript script function so it will switch control's enable state.

For example, in C# it would be like this:

func(false, new[] { "Control1", "Control2", "Control3" });

In that function I want to find corresponding controls and disable/enable them. For one control I do this next way:

<script type="text/javascript" language="javascript">
function switchControls(value, arr) {
for (var n = 0; n < array.length; n++)
document.getElementById([n]).disabled = value;
<asp:CheckBox runat="server"
'<%= Control1.ClientID %>',
'<%= Control2.ClientID %>'
Text="Take?" />

How to implement this properly? Have I to use jQuery?

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Web Forms :: Pass Variable As Html Control Through To Javascript Function

Jan 24, 2011

I have a function that gets the position of a control.


All the function needs is an htmlcontrol being fed to it as the parameter (elemRef). I can declare a variable in Javascript of the same content page but different function and pass the parameter successfullly getting returned values. For example, if I have the following function:

function (getPosition)
{ var txtBox1 = document.getElemendById('<%=txtBox1.ClientID %>');

I will get the coordinates of the control txtBox1. But how can I accomplish this if I am calling this function from a javascript function or codebehind of the Master Page, or codebehind of the same content Page.

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Web Forms :: Using Javascript, Call One Function From Another, Pass A Variable That Represents?

Jan 20, 2011

I have a variable created to manipulate a contorl on a page:

var pnl= document.getElementById('<%=pnl1.ClientID %>');


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Data Controls :: Pass EVAL Value To JavaScript Function From GridView

May 7, 2015

How do I pass Hidden Variable to javacript function on GridView hyperlink click.Below is the code used

<asp:GridView ID="gridMicroscopicCode" runat="server" ...
<table id="Table2" cellpadding="0" style="border-width: 0px; width: 100%;" class="tableBorder" runat="server">
<tr class="botborder1">
<td style="width: 25%;">
<input id="Hidden1" runat="server" value='<%# Bind("preferenceid")%>' type="hidden" />
<asp:HyperLink ID="hypMicroscopicPopUpEdit" runat="server"
Target="_self" NavigateUrl="javascript: EncryptDataFunc('VAAddEditMicroscopic.aspx?editoption=yes&queryprefid=' + <%# Hidden1.value %>);">

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Call Serverside Function Together With Jquery BlockUI?

Sep 29, 2010

I want to show a Jquery blockUI when I click an asp:button that triggers a serverside function.
When the function ends, I want to do the unBlockUI.

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How To Pass JavaScript Function As A Parameter In The Route Values Of Ajax Actionlink

Apr 20, 2010

I need to pass javascript function as a parameter value to the ajax actionlink in mvc app. how can we achieve this?

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JQuery :: How To Pass TextBoxs Value In Repeater Control In JavaScript Function On Click Of Button

Jan 25, 2011

In a repeater control there is TextBox and corresponding to each TextBox there is Button control.On click of Button how can i pass TextBox's text that user has just entered ?

Below is the code:


Means on click of each Button how to pass there respective TextBox's data to a javascript function ?

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Web Forms :: Firing A C# Function ServerSide On A Dynamic HTML Control?

Jul 28, 2010

I am trying to create an HTML button that can use a C# server side delete function. since I don't know how many results I will have at the page, the control is created dynamically when the end user searches for current Messages:

CmsContactUsContent += string.Format(" "<input type='image' value='delete' id='del{8}' runat='server' onClick='DeleteItem' img src='/MaromyDotNet/img/AdminIcons/note.png' style='width:16px;'/>" + [code].....

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Data Controls :: Pass Multiple Eval Values To JavaScript Function Inside GridView

May 7, 2015

I want to pass hidden variable to javascript from href. Below is the code used

<input runat="server" id="hidOrganizationId" type="hidden" value="" />
<ul class="gloMenu">
<li id="liOrg" runat="server">
<a href="javascript: DataEncryption('../Admin/DetailPage.aspx?OrganizationId=' + hidOrganizationId)">
<b>Ordering Facility</b>

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Call Javascript Function Of Child Page From Master Page Javascript?

Jul 28, 2010

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()?

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Register Javascript Code From Serverside?

Jul 1, 2010

I have a Asp.Net control inside a updatepanel thet is inside a modal popup. I wont to register write javascript code in client from the control code.

these is my code:

Dim output As String = .. javascript code
Page.ClientScript.RegisterClientScriptBlock(Me.GetType(), "frmulaMatrix", output, True)

these is my second thinf but dont work

Page.RegisterClientScriptBlock("SCRIPTNAME", "<script language='javascript'>" + output+"</script>")

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C# - Javascript Loading Before Serverside Image Is Deployed?

Mar 22, 2011

Here is my Javascript

<%-- script to load the default image--%>
<script type="text/javascript"><!--
window.addEventListener('load', function () {
// Get the canvas element.


If you look at the img.src at the very bottom, it loads the defaultImage.ClientId from the server which is suppose to get the image on the page. If I use a normal url it works, but if I use document.getElementById(imgid).src it just doesnt load an image. I am assuming its because the javascript loads before the serverside code is ran. How can I get around this?

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AJAX :: Call Serverside Event From Javascript?

Dec 17, 2010

I need to call Serverside event from Java Script.

FOr this i Used __doPostBack but page flickering is occured eventhought if we keep update panels,

I have a gridview control from gridview I am calling RowCommand event and then a Popup Page from Popup i will return some values and again i need to bind the values back to the DataTable and then to GridView.

In JS if i User doPostBack('xyz','') page flickering is ocurred and if i user doPostBack('updatepanel1','') ID also flickering is not occuring bt values gets binded to GRidview after 5 sec delay....

is ther any alternate sol for this to do...

any Jquery or any JS???

or if i use ScriptManager Page Method is there any issues with that bcz we need to have a static method in server side.....:(

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AJAX :: JavaScript Function To Pass Value From MasterPage.aspx To Default.aspx And Then Refresh UpdatePanel

Feb 26, 2011

For example, I have master page MyMasterPage.aspx and content page MyDefault.aspx. I have many UpdatePanels at MyMaterPage.aspx, and also I have many UpdatePanels at MyDefault.aspx.


I want JavaScript functionClickMenu(this) at input button [id="ButtonMaster1" @ MyMasterPage.aspx] pass its value ["Menu-1"] into text box [id="TextBoxDefault1" @ MyDefault.aspx], and then performing update / doing post-back to server ONLY FOR UpdatePanelDefault1.

I am looking forward an example code for JavaScript functionClickMenu(this).

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