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@lapucca: could you please share a HTML only version of your problem?
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Yeah, that is a good idea. &nbsp;Thanks.<br />
<a href="https://filedb.experts-exchange.com/incoming/2011/03_w14/439270/htmlCode.htm" target="_blank" class="file-inline" title="html (19 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>htmlCode.htm</a>
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htmlCode.htm

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which specific textboxes do you want to show or hide based on listbox selections?
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the control's id lbOtherExercise and txtOtherExercise. &nbsp;Thank you. 
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Khan, you're correct. &nbsp;I tried that code and exactly as you described. &nbsp;Your script does work with multi-select. &nbsp;Thank you both.
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<div class="content wysiwyg-content">
Hi, I'm using asp.net 3.5 and C#<br />
lbOtherExercise, listbox, allows multiple selection. &nbsp;If one of the selected value is 11 then I would like to show the label and textbox otherwise, hide them. &nbsp;Attached are my code. &nbsp;Thank you.<br />
<a href="https://filedb.experts-exchange.com/incoming/2011/03_w14/439244/ManageAccounts.aspx" target="_blank" class="file-inline" title="aspx (9 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>ManageAccounts.aspx</a>
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ManageAccounts.aspx

Hi, I'm using asp.net 3.5 and C#
lbOtherExercise, listbox, allows multiple selection.  If one of the selected value is 11 then I would like to show the label and textbox otherwise, hide them.  Attached are my code.  Thank you.

@lapucca: could you please share a HTML only version of your problem?

which specific textboxes do you want to show or hide based on listbox selections?

the control&amp;#39;s id lbOtherExercise and txtOtherExercise.  Thank you. 

Khan, you&amp;#39;re correct.  I tried that code and exactly as you described.  Your script does work with multi-select.  Thank you both.

how to use jquery to hide or show label and textbox dep on a listbox selection?

Hi, I&amp;#39;m using asp.net 3.5 and C#
lbOtherExercise, listbox, allows multiple selection.  If one of the selected value is 11 then I would like to show the label and textbox otherwise, hide them.  Attached are my code.  Thank you.

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.

JavaScript

A scripting language is a programming language that supports scripts, programs written for a special run-time environment that automate the execution of tasks that could alternatively be executed one-by-one by a human operator. Scripting languages are often interpreted (rather than compiled). Primitives are usually the elementary tasks or API calls, and the language allows them to be combined into more complex programs. Environments that can be automated through scripting include software applications, web pages within a web browser, the shells of operating systems (OS), embedded systems, as well as numerous games. A scripting language can be viewed as a domain-specific language for a particular environment; in the case of scripting an application, this is also known as an extension language.