ASP.NET ListItem Control
Definition and Usage
The ListControl control provides all basic functions for list controls. Controls that inherit from this control include CheckBoxList, DropDownList, ListBox, and RadioButtonList classes.
The properties of the ListControl class allow you to specify the data source used to fill the list control.
Properties
The following table describes the properties inherited from the Control class:
Properties | Description | .NET |
---|---|---|
AppendDataBoundItems | Gets or sets a boolean value that indicates whether list items are cleared before binding data. | 2.0 |
AutoPostBack | Gets or sets a value that indicates whether an automatic postback to the server is performed when the selected content in the list is changed by the user. | 1.0 |
CausesValidation | Specifies whether the page is validated when an item in the list control is clicked. | 2.0 |
DataTextField | The data source field that provides text content for list items. | 1.0 |
DataTextFormatString | The formatting string used to specify how list data is displayed. | 1.0 |
DataValueField | The data source field that provides values for each list item. | 1.0 |
Items | The collection of list control items in the list. | 1.0 |
runat | Specifies that the control is a server control. Must be set to "server". | 1.0 |
SelectedIndex | The lowest sequential index number of the selected item in the list. | 1.0 |
SelectedItem | The text of the selected item in the list. | 1.0 |
SelectedValue | The value of the selected item in the list. | 1.0 |
TagKey | 1.0 | |
Text | The value of the selected item in the list. | 2.0 |
ValidationGroup | The control group that is validated when a Postback occurs. | 2.0 |
OnSelectedIndexChanged | The name of the function executed when the index of the selected item is changed. | 1.0 |