, inside a form named myForm, do myForm.setFoo(true) inside your Action. When this is added to a checkbox, that checkbox is selected as soon as the page loads (i.e. The Checkbox object properties include: checked – the checked properties sets or returns the state of the checkbox. This property returns true if the checkbox is checked by default, otherwise it returns false. it doesn't need the user to select it). disabled – this property returns whether the checkbox object is disabled or not. You can set a default value by using the checked attribute. Actually Model Binding will add checked attribute if checkbox is checked . So easy solution is use, Html.CheckBoxFor(model => model.a) Then Either use name – used to set the name of the object or return the name A disabled checkbox is unclickable and unusable. Unfortunately, specifying type=“hidden” does not produce a checkbox input, but a hidden text input. HTML Checkboxes Selected. Hi there, I am using aspx,c# In my page I have a CheckBoxList control and I have 5 items on it. A checkbox element can be placed onto a web page in a pre-checked fashion by setting the checked attribute with a "yes" value. Unlike with radio buttons, a set of checkboxes are not logically tied together in the code. Copy the Login view from: \Views\Customer\Login.cshtml to your theme's Views folder: \Themes\DarkOrange\Views\Customer\Login.cshtml The defaultChecked property returns the default value of the checked attribute. Since we are added checked attribute in html attributes that's why it shows you checked value when the unchecked checkbox is posted. defaultChecked – this property returns the default value of the checked attribute. You just have to set the property that the checkbox is linked to to true before you forward to the JSP. Syntax: It returns the Input Checkbox disabled property. I would like to set those 5 items as checked by default.Could you please help me? The user can then choose to "uncheck" that checkbox if so desired, but if they don't it will remain checked (along with any other checkboxes the user checks). and not add checked attribute if checkbox is unchecked . Specifying value=“checked” makes the word ‘checked’, the string value of the field. You can set the RememberMe Property to true in the view if you are unable to alter the controller. It is a boolean attribute and used to reflect the HTML Disabled attribute. By doing so, this element will now default to a checked status each time the HTML page is loaded. The :checked CSS pseudo-class selector represents any radio (), checkbox (), or option (