Validating checkboxlist asp net control using javascript

Note The following code sample uses the single-file code model and may not work correctly if copied directly into a code-behind file.This code sample must be copied into an empty text file that has an extension.To determine which items are checked, iterate through the collection and test the Selected property of each item in the list. The Check Box List control is easier for creating a set of check boxes using data binding, while the individual Check Box control gives you greater control over layout.You can specify the way the list is displayed by using the Repeat Layout and Repeat Direction properties.To accomplish this there is another step to take: inject some client side Java Script in the On Pre Render method.The Pre Render event is raised just before the control is rendered on the page, so it the best moment to inject some client side functionality into the page.

validating checkboxlist asp net control using javascript-75

This is the methods that performs the server side validation in case Java Script is not enabled on the client, or not supported.

For more information on the Web Forms code model, see ASP. The Check Box List control provides a multi selection check box group that can be dynamically generated with data binding.

It contains an Items collection with members corresponding to individual items in the list.

To specify items that you want to appear in the Check Box List control, place a element for each entry between the opening and closing tags of the Check Box List control.

The Check Box List control also supports data binding.

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