Asp net validating a checkboxlist control

Use this property to determine whether the Check Box control is checked. In this article we will demonstrate how to NET Web Pages to check a checkbox or select a list item. - Checkboxes Example The Check Box control allows the user to set true/false or yes/no type options. Home; About; Contact; Privacy Policy; Disclaimer; Copyright; MENU Row Editing and Editing Events; Batch Editing; Cell Editing and Editing API; Data Validation; Form Editing; Popup Editing; Cascading Lookups; Collaborative Editing How to check a checkbox using Javascript. Enhanced standard Check Box control as Read Only Check Box custom control. The last thing we have to take care of when using checkbox columns is the "Select All/ Unselect All" option.This sample will demonstrate that the user should select at least one checkbox and one radiobutton before submitting the form to the server.

We then loop through all the List Items and if one of the items in both the Check Box List as well as Radio Button List is checked by the user, we return true, else we return false.It is as simple as registering the assembly and start using it.Step 5: As already discussed, we will be deriving from the Base Validator abstract class.Two error messages are displayed when the form is submitted.Step 6: We saw how to perform server side validation. This time when you run the application, the custom validation control handles both server-side as well as client-side validation.

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