How to expand or resize Asp.net multiline textbox on mouse over:

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Expand or resize Asp.net multiline textbox on mouse over by Jquery:



Resize Asp.net multi line textbox by Jquery:

As we know that jQuery is a very fast, feature-rich and small JavaScript library.
jQuery makes things like HTML traversal and manipulation,  and event handling, and Ajax of browsers.jQuery a combination of extensibility and versatility .

In this tutorial we give many example related to asp.net text box as like



We take an Example here in this we consider a text box and try to Auto re-size textbox when we enter mouse on text box. For this we use 

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

 Online Jquery in web page.

Jquery function for resize Asp.net control:

Text box auto resize function.
    <script type="text/javascript">
        $(document).ready(function () {
            $("#<%= txt1.ClientID %>").hover(function () {
                $(this).animate({ width: 300, height: 100 }, 400);
                $(this).focus();
            },
            function () {
                $(this).animate({ width: 200, height: 20 }, 400);
                $(this).focus();
            })
        });
    </script>

 Asp.net web page code :

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Autoresizetextboxcontrol.aspx.cs" Inherits="Autoresizetextboxcontrol" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title></title>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $("#<%= txt1.ClientID %>").hover(function () {
                $(this).animate({ width: 300, height: 100 }, 400);
                $(this).focus();
            },
            function () {
                $(this).animate({ width: 200, height: 20 }, 400);
                $(this).focus();
            })
        });
    </script>

</head>
<body>
    <form id="form2" runat="server">
        <div align="center" style="height: 123px; background-color: #6699FF">
        <h1 class="style1">Auto Resize Asp.net TextBox Control</h1>
            <table style="width: 494px">
                <tr>
                    <td>Enter Text Here: </td>
                    <td>                      
                        <asp:TextBox ID="txt1" runat="server"
                            onkeyup="resizemultilineTextBox(this)" TextMode="MultiLine" Width="212px"></asp:TextBox>
                      
                    </td>
                </tr>
            </table>
        </div>
    </form>
</body>
</html>


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