Surely Required Field Validator is not going to work in this case.So we will be using Custom Validator for validation.The adapter name should match the value we specified earlier as the validation type, and the j Query validation -rule will require the user to check the checkbox. This will make sure that the checkbox is checked by the user client-side (using j Query unobtrusive validation*) and that the boolean property is set to true server-side when the form is submitted to the server. Net Text Box, a Check Box to enable or disable the validation when it is checked or unchecked respectively and a Button to trigger the Required Field Validator for the Text Box. Net Text Box, a Check Box to enable or disable the validation when it is checked or unchecked respectively and a Button to trigger the Required Field Validator for the Text Box.Here I am going to show a simple way of checking if any of the checkbox list items is selected or not.It is quite common scenario wherein a form contains checkbox list and that selecting at least one of the options from list is mandatory.The value we provide as the validation type will be rendered as the name of the rule in the HTML element, and will be used further down to tell j Query how to validate this property.
You might think that decorating a boolean property on one of your MVC models with a , would mean that if you presented that property in your view as a checkbox, that would require the user to click that checkbox before submitting the form. The following code checks if the decorated property is a bool, and if so, requires it to have been set to true; -method above where we specify the error message to display if client-side validation fails, and what the validation type is.
property to determine whether validation is performed on both the client and the server when a Check Box control is selected.
Page validation determines whether the input controls that are associated with a validation control on the page all pass the validation rules as specified by the validation control.
A j Query Click event handler has been assigned to the Check Box, thus when the Check Box is clicked, we first check whether the Check Box is checked or unchecked and based on its state we either enable or disable the Hi, This is Mudassar Khan. Net Question Answer site, specially started to allow visitors of this site ask their doubts and queries. Just click the Ask Now button and ask your question now.
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For example, we can make a textbox to be required field only when a checkbox is checked or a dropdownlist value, etc.