Check/uncheck CheckBox in a GridView using Javascript

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Introduction

Check/uncheck CheckBox control inside a GridView using javascript without postback. This article will give an idea on how to achieve this task.

Some sample code is provided under Using the code heading and complete code is available in the project download.

Background

(Forums are flooded with the questions about how to check/uncheck CheckBox control inside a GridView using javascript without postback.

How To’s:

In this article a GridView control is used. Inside the GridView control there are 3 fields. One template field and two are bound fields to display some sample data.

Inside the TemplateField a CheckBox control is placed in the HeaderTemplate (with ID cbSelectAll and Text Select All), ItemTemplate and AlternatingItemTemplate.

Using the code

Code that will be required to achieve this task.

Javascript that will be required to perform the Select All action is as follow:

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