Change required state by checking checkbox

1. What are the 2 states of a check box?
2. Which method is used to verify the state of the checkbox?
3. Which property of CheckBox is set to allow it to specify all the states?
4. How do I make a group of checkboxes mandatory?
5. How do I make checkbox checked by default?
6. How do I make checkbox checked by default in HTML?
7. How many states does a checkbox have?
8. What is a tri state checkbox?
9. How checkbox can be checked off?
10. How do you checkbox is checked or not in asp net?

What are the 2 states of a check box?

Visually, there are actually three states a checkbox can be in: checked, unchecked, or indeterminate.

Which method is used to verify the state of the checkbox?

prop() and is() method are the two way by which we can check whether a checkbox is checked in jQuery or not. prop(): This method provides an simple way to track down the status of checkboxes. It works well in every condition because every checkbox has checked property which specifies its checked or unchecked status.

Which property of CheckBox is set to allow it to specify all the states?

The CheckBox control is the part of windows form which is used to take input from the user. Or in other words, CheckBox control allows us to select single or multiple elements from the given list. In CheckBox, you are allowed to set the state of your CheckBox to the Checked using the Checked Property of the CheckBox.

How do I make a group of checkboxes mandatory?

On the form we cannot make group of checkboxes mandatory. However, you can use on submit client script or Insert/update business rule to allow/restrict submission if all of the checkboxes are not checked and display the error message to the users. Hope that helps!

How do I make checkbox checked by default?

Rendering Checkboxes Checked By Default

When rendering a page with a checkbox you want selected or checked by default you need to include the 'checked' attribute. There is no required value for the checked attribute. However, per the checkbox specification only an empty value or 'checked' are valid.

How do I make checkbox checked by default in HTML?

If you wanted to submit a default value for the checkbox when it is unchecked, you could include an <input type="hidden"> inside the form with the same name and value , generated by JavaScript perhaps.

How many states does a checkbox have?

Checkboxes actually has three states: true, false and indeterminate which indicates that a checkbox is neither "on" or "off". A checkbox cannot be set to indeterminate state by an HTML attribute - it must be set by a JavaScript. This state can be used to force the user to check or uncheck the checkbox.

What is a tri state checkbox?

A tri-state checkbox can be checked, not checked, or partially checked. The condition of being partially checked is based on the selection of child elements. If all child elements are selected, the parent checkbox is checked.

How checkbox can be checked off?

To check a check box with the keyboard, press Tab until the check box is highlighted, and then press the spacebar to check or uncheck the box. You can try this now in the check boxes below.

How do you checkbox is checked or not in asp net?

In CheckBox control check and uncheck checkbox specify by the checked property of check box true or false. If checkbox control square ticked then checked = true and unchecked then checked=false. We can drag the checkbox control from toolbox and drop it to on web forms shows like below.