The OnCheckedChanged event handler of ASP.Net RadioButton control enables you to handle the click event of radio button at server side that is raised at the time when user clicks the control to change its in-active state. The CheckedChanged event of radio button control occurs only if its AutoPostBack property is specified with value "true".

The AutoPostBack property of the ASP.Net RadioButton control provides the functionality to allow the server side post back event of the web page when user clicks the radio button to change its inactive state to selected state. You can get the value of checked state of the radio button control at the Page Load event of ASP.Net web page

The Checked property of ASP.Net RadioButton control enables you to get or set the selected state of radiobutton. You can also set the checked property of radio button control dynamically using server code or manually when user clicks the radiobutton control to change its selected state.

The ASP.Net RadioButton control provides the functionality to display an individual radio button on the Web form that returns the true or false type Boolean value as a result. If the RadioButton control is in selected state then it returns true and if it is in unselected state then the radio button returns false.

The ASP.Net PlaceHolder control provides the functionality to reserve a location on ASP.Net web page that can be further used for adding child controls dynamically. You can change the control hierarchy of web page using this amazing PlaceHolder control that enables you to add and render the ASP.Net server controls dynamically at the runtime.

The ASP.Net Panel control is a web server control that is rendered as div element of HTML. The div tag of HTML stands for logical division block that can hold the other controls. It serves as a container for other web server or HTML controls to provide the managed layout to the web page.

The Mode property of ASP.Net Literal Control enables you to direct the control for customizing the rendering behavior of the specified text that you want to display on the web page. The Mode property accepts the predefined enumeration value that renders the output text according to the specified value

The ASP.Net Literal Control provides the functionality to reserve the space on the web page to display the static text. It is similar to the ASP.Net Label control that enables you to display the text on the page. You can display the text by specifying it in the HTML source code of Literal control

The SelectedIndex property of ASP.Net ListBox control enables you to get or set the zero-based index of the selected list item dynamically using C# code. When user clicks on any list item of listbox control it fires the SelectedIndexChanged event that can be handled at server side to get the index of the list item clicked by the user.

The SelectedValue property of ASP.Net ListBox control enables you to get or set the value of selected list item dynamically using C# code. When user clicks on any list item of listbox control it fires the SelectedIndexChanged event that can be handled at server side to get the selected value clicked by the user.