By 06/02/2014 17 Comments

How To Prevent Cut, Copy and Paste Operations in an ASP.NET TextBox using jQuery

Bind() function

  • The jQuery bind() function binds one or more events to a handler. Observe how convenient it is to list multiple events (cut copy paste) together and bind it to a handler
  • It is useful when we want to perform more than one task by press single button

Following examples describes How bind() function works in using JQuery

Code snippet of JQuery.

    <script type="text/javascript" src="Scripts/jquery-1.8.2.js"></script>  <!-- call jquery file or library into page --->
        $(document).ready(function() { // this is a function which is called by browser when it loads a webpage

            $('[id$="TT_TextBox1"]').bind('cut copy paste', function (e) { // trigger bind() functions, pass 2 parameters, first (three events to the handler), second an unknown function with e as a parameter

                e.preventDefault(); // prevent post back to the server 
                $("#TT-paragraph").text('You cannot ' + e.type + ' text!'); // text() function pass message as an argument which to be displayed on TT-paragraph, e.type display the type of an event to be triggered




Code snippet of ASP.NET

<!--- Following code renders text field and label control on browser --->

<asp:Label runat="server" Text="Write your Email"></asp:Label>
        <asp:TextBox ID="TT_TextBox1" runat="server" style="width: 200px;" Text="Try copying and pasting text here" /><br />
        <p id="TT-paragraph"></p>

Posted in: ASP.NET, jQuery

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