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Friday, July 23, 2010

Changing the Control Style at Runtime using the ASPX

Recently I changed the style of some controls in my ASPX page at runtime based on the values set on another control in my page. For example the color of the table is changed based on the radio button that was selected and the color of the button is changed according to the text that was typed in the textbox. Hope this is helpful.





  1. <html xmlns="http://www.w3.org/1999/xhtml">
  2. <head runat="server">
  3.     <title>Changing the Control Style</title>
  4.      <style type="text/css">
  5.         .Style1
  6.         {
  7.             background-color: Red;
  8.         }
  9.         .Style2
  10.         {
  11.             background-color: Blue;
  12.         }
  13.     </style>
  14. </head>
  15. <body>
  16.     <form id="form1" runat="server">
  17.         <asp:RadioButton ID="RadioButton1" runat="server" Text="Red" GroupName="1" Checked="True" AutoPostBack="True" />
  18.         <asp:RadioButton ID="RadioButton2" runat="server" Text="Blue" GroupName="1" AutoPostBack="True" />
  19.         <!-- Styling the table based on the radio button selection. -->
  20.         <table class="<% if(RadioButton1.Checked) { %> Style1 <% } else { %> Style2 <% } %>">
  21.             <tr>
  22.                 <td> &nbsp; See the change... </td>
  23.             </tr>
  24.             <tr>
  25.                 <td> &nbsp; </td>
  26.             </tr>
  27.         </table>
  28.         <asp:TextBox ID="TextBox1" runat="server" MaxLength="3"></asp:TextBox>
  29.         <!-- Styling the button based on the textbox value. -->
  30.         <input id="Button1" type="submit" value="button"
  31.                class="<% if(TextBox1.Text=="") { %> Style1 <% } else { %> Style2 <% } %>" />
  32.     </form>
  33. </body>
  34. </html>




Output looks as below.

4 comments:

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for url code)))

http://skopirui.ru
http://lavka-surprizov.ru
http://sports-board.ru
http://sport-prestish.ru
http://rebenka-mir.ru
http://parfume-lite.ru
http://velosipedov-net.ru
http://igla-nitka.ru
http://nasha-kroxa.ru
http://nash-kroxa.ru
http://orenbizness.ru
http://sportblok.ru
http://stroybetons.ru
http://mshop-service.ru
http://avtoinstruments.ru
http://dress-soul.ru
http://mamka-papka.ru
http://rapira-mir.ru
http://sport-servise.ru
http://job-netbooks.ru
http://linkok.ru
http://more-zagara.ru
http://newservise.ru
http://reglog.ru
http://sportdoc.ru
http://stroika-line.ru
http://stroybetons.ru

Anonymous said...

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Arjuna Chiththananda said...

Thanks for the suggestion Jay, BTW are you the Jay that I used to work with about 5 years back.
Arjuna.

Anonymous said...

Can anybody point to some blog posts on this board subject? I want some more detailed info...
Any input will definitely be gratefully appreciated.

Alex
http://www.primechoiceautoparts.com

Cheers!