How to get the String Value to the textbox using javascript with asp.net

Question

I am creating a folder by generating a random string and I need to get that string value to the textbox using javascript.

Here is my javascript Code:

<script type="text/javascript">
 var tempDir = randomString(8);
                document.getElementById("currentDirectory").value = tempDir;
                alert(tempDir);
</script>

This is the textbox where I need to display

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

My answer worked for you now ?

Harsh Baid
– Harsh Baid

2011-10-13 18:54:20 +00:00
Commented Oct 13, 2011 at 18:54 — Harsh Baid
– Harsh Baid, Commented Oct 13, 2011 at 18:54

Harsh Baid · Accepted Answer · 2011-10-26 09:04:18Z

2

That's It,

document.getElementById('<%= TextBox1.ClientID  %>').value = tempdir;

In asp.net the id of elements changes when rendered in browser so you need to take the.Id from control's ClientID property.

edited Oct 26, 2011 at 9:04

answered Oct 13, 2011 at 18:46

Harsh Baid

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2 Comments

coder Over a year ago

Sorry Harsh it's not working as It's showing me error at the control ID property.So I am trying to make it work.

Harsh Baid Over a year ago

So you can update the question with new implementation of your javascript code and the control syntax. It would be more clear then.

coder · Accepted Answer · 2011-10-18 22:05:30Z

1

I resolved it by simply declaring the control this way inside the body tag.

('<%= TextBox1.ClientID %>')

edited Oct 18, 2011 at 22:05

answered Oct 14, 2011 at 22:40

coder

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1 Comment

Harsh Baid Over a year ago

I don't think my answer is indifferent then the one you posted. You should have considered accepting my answer but alas choice is yours. :(

jmease · Accepted Answer · 2011-10-13 19:27:35Z

0

You can also try JQuery

 $("#ControlID").val(tempDir);

You'll want to check how the control is rendered in the HTML though since it's an ASP.Net control. Sometimes the ID changes a bit and you'll want the command to use that in place of ControlID above.

answered Oct 13, 2011 at 19:27

jmease

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