How to assign a value to a textbox in parent popup window using javascript

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Hello,
I want to assign a value to my parent popup window's textbox. I am able to check an element exists in the parent popup or not but I can't assign the value to it. Please help. Any clue or link will help me.

ASP.NET

<asp:TextBox ID="txtfolio" runat="server" ReadOnly="true" CssClass="input" MaxLength="150" name="txtfolio" Width="200px" />

JavaScript

var folio = window.parent.document.getElementsByName("txtfolio");
folio.value = 'somevalues';

Now. if I alert(folio) it throws object NodeList then folio.value = 'somevalue' not working at all. Any suggestion for this?

What I have tried:

JavaScript

folio.value = 'somevalue'

Posted 17-Jan-22 0:46am

Member 14362033

Updated 19-Jan-22 19:54pm

v2

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Chris Copeland 17-Jan-22 8:06am

I've answered this question on the previous question you submitted a while ago:

How to check an element exists in a parent window using javascript

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LesF · Answer 1 · 2022-01-18T15:39:00

Solution 1

These ids don't match:

window.parent.document.getElementsByName("txtfolio");

ID="txtPortfolio"

Also the asp:Textbox ID may be altered when the page is rendered. Try adding ClientIDMode="Static" to the asp:Textbox.

Posted 18-Jan-22 15:39pm

LesF

Comments

Member 14362033 20-Jan-22 1:55am

Hello LesF, I will try your solution. Thanks