--- title: "how to Check any 2 checkBox from 4 CheckBoxes?" description: "how to Check any 2 checkBox from 4 CheckBoxes?" author: "Anonymous User" published: 2014-09-05 updated: 2014-09-05 canonical: https://www.mindstick.com/forum/2250/how-to-check-any-2-checkbox-from-4-checkboxes category: "asp.net" tags: ["asp.net"] reading_time: 1 minute --- # how to Check any 2 checkBox from 4 CheckBoxes? I want the [user](https://www.mindstick.com/articles/13001/multi-statement-table-valued-user-defined-function-in-sql-server) can [check](https://yourviews.mindstick.com/story/2248/never-forget-to-check-these-specifications-before-buying-a-mobile-phone) only 2 [checkbox](https://www.mindstick.com/articles/291/how-should-use-checkbox-control-in-vb-dot-net),exceeding that [alert box](https://www.mindstick.com/forum/117/problem-in-displaying-alert-box-in-asp-dot-net) should [pop up](https://answers.mindstick.com/qa/50233/what-to-do-with-the-issues-that-may-pop-up-at-the-time-of-usb-device-installation). ``` ``` how can i write [javascript](https://www.mindstick.com/articles/874/how-to-create-watermark-text-for-textbox-by-using-javascript) for this, i have tried but can't find any way out. ## Replies ### Reply by Sumit Kesarwani Hi Jay, \ try this:\ ``` $("input[type='checkbox']").change(function () { var n =$("input:checkbox:checked").length; if (n > 2) { alert('2 are already selected!'); $(this).attr("checked", false); } }); ``` --- Original Source: https://www.mindstick.com/forum/2250/how-to-check-any-2-checkbox-from-4-checkboxes Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.