How to use it: Download and import the check-all.js. C# CheckBox is a simple checkbox along with the text which is the name of the checkbox. HTML Checkboxes Selected. The second check box demonstrates the checked, unchecked, and indeterminate states. Error When “INSERT IGNORE INTO” with OPENQUERY on Linked Server in SQL, Clearing select field using jquery but with rendering problems. By setting the EnableHeaderCheckBox property to true you will enable the embedded in the header cell RadCheckBoxElement. A checkbox element can be placed onto a web page in a pre-checked fashion by setting the checked … jQuery¶. If the user will click first time on the checkbox then the small tick sign is marked on a checkbox. The column has also a built-in functionality for checking all check boxes in it, via check box placed in the column header cell. So from HTML’s point of view, each checkbox in a set of checkboxes is essentially on its own. System.ListException: Duplicate id in list error in Salesforce. This way the user in a single attempt can check or uncheck all the buttons. If its checked property is true, then the checkbox is checked; otherwise, it is not. Application.js. Tip: Always add the