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CheckBoxes are not visible in RadGrid

Description

CheckBoxes are handy controls which you can use to achieve convenient selection of grid items, present and edit boolean fields or just want to add some fanciness to your application. If they are not showing on the browser, however, we would lose this functionality and we wouldn't want this to happen, would we? This article provides the most popular and trendy solutions to this case.

Solution

You can try these suggestions to fix the appearance of the CheckBoxes:

  1. Check your page to see whether there is RadFormDecorator on the page and temporarily remove it:

    https://feedback.telerik.com/Project/108/Feedback/Details/212070-radformdecorator-does-not-update-properly-the-state-of-grid-checkboxes

  2. Look for any custom CSS (for example styles/base.css file if present) in the project and remove any CSS rule which could hide the checkboxes. For instance:

    button,
    input {
    -webkit-appearance: none;
    cursor: pointer;
    }
    
  3. Ensure that there are no controls on the page with different RenderMode setting:

    http://docs.telerik.com/devtools/aspnet-ajax/controls/grid/mobile-support/render-modes#setting-render-mode

  4. Check for script errors:

    https://www.telerik.com/support/kb/aspnet-ajax/ajaxmanager/details/get-more-descriptive-errors-by-disabling-ajax

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