how to getElementById in javascript from string control id?

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hello friends,
I am sending string type TextBox control id from code behind to javascript function. I need to find the textBox object in javascript in which i can use .focus() method
how to get this ?

Posted 23-Feb-15 1:01am

rhl4569

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Thanks7872 23-Feb-15 7:09am

How? You know the method. Get it. What is the problem doing so?

2 solutions

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Kornfeld Eliyahu Peter · Answer 1 · 2015-02-23T01:09:00

Solution 2

You need not send it nowhere - use inline server tags...

JavaScript

<script>
  var el = document.getElementById('<%= MyTextBox.ClientID %>');

  if(el) el.focus();
</script>

Posted 23-Feb-15 1:09am

Kornfeld Eliyahu Peter

Comments

rhl4569 23-Feb-15 7:27am

it is not working sir.. how to use this method if MyTextBox id is stored in var some variable. and how to use that variable in place of MyTextBox.ClientID ????

Kornfeld Eliyahu Peter 23-Feb-15 7:34am

In what variable? A JavaScript variable?

stibee · Answer 2 · 2015-02-23T01:06:00

Solution 1

See
http://www.w3schools.com/jsref/met_doc_getelementbyid.asp[^]

Posted 23-Feb-15 1:06am

stibee