How to expand a textarea on click?

Question

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I have a UI with text area with only 2 rows & 10 cols.
On clicking/focus,the text area should be expanded.

The text areas only inside repeaters must be expanded, not others.

Thanks in Advance!

Posted 17-Mar-15 1:04am

Reshma Babu

Updated 17-Mar-15 1:25am

Sergey Alexandrovich Kryukov

v2

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Comments

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 17-Mar-15 7:11am

What have you tried and where is the issue?

Sergey Alexandrovich Kryukov 17-Mar-15 7:26am

Add an event handler to the onclick event and modify some attributes in the handler.
What have you tried so far?
—SA

Reshma Babu 18-Mar-15 4:37am

I had tried with JQuery. But I needed the solution in CSS.
I got it. Thnx :)

2 solutions

Solution 1

XML

<asp:TextBox ID="txtUserName" onfocus="changesize(this);" runat="server" CssClass="txtwidth200" MaxLength="50"
                                    TabIndex="1" TextMode="MultiLine" placeholder="Username"></asp:TextBox>

<pre lang="cs">function changesize(obj) {
            $(obj).attr(&#39;style&#39;, &#39;width:250px; Height:200px;&#39;);
        }</pre>

Similiar way on focus out you could shrink back the textbox

Posted 17-Mar-15 1:43am

Er. Puneet Goel

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Reshma Babu · Accepted Answer · 2015-03-17T23:13:00

This code does the trick..

CSS

textarea:focus{
        width: 250px;
        position:absolute;
        font-size:15px;
        height:100px;
        background-color: #E7FBF8;
        outline: none;
        -moz-box-shadow: inset 0 0 5px rgba(0,0,0,0.5);
        -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.5);
        box-shadow: inset inset 0 0 5px rgba(0,0,0,0.5);
        }