ASP.NET Value Property
Complete ListItem Control Reference
Definition and Usage
The Value property is used to set or return the value of a ListItem control.
Syntax
|
<asp:ListItem Value="string" runat="server" />
|
| Attribute |
Description |
| string |
A string that specifies the value of the ListItem control |
It is possible to use the Text or Value properties and the inner HTML text to
set the text displayed for an item in the list.
Example
|
<asp:ListItem Value="Text1" Text="Text2">Text3</asp:ListItem>
|
Depending on the combination of the three, different texts are shown and
values used. The table below shows all possible combinations and their results:
| Inner HTML |
Text Property |
Value Property |
Text Shown |
Value Used |
| Set |
Set |
Set |
Inner HTML |
Value Property |
| Set |
Set |
Not set |
Inner HTML |
Inner HTML |
| Set |
Not set |
Set |
Inner HTML |
Value Property |
| Set |
Not set |
Not set |
Inner HTML |
Inner HTML |
| Not set |
Set |
Set |
Text Property |
Value Property |
| Not set |
Set |
Not set |
Text Property |
Text Property |
| Not set |
Not set |
Set |
Value Property |
Value Property |
| Not set |
Not set |
Not set |
Not set |
Not set |
Tips and Notes
Note: The Text and Value properties have a default value of an empty
string. Because of this it is possible to have empty list items.
Example
The following example sets the Value of a ListItem in a ListBox control:
<form runat="server">
<asp:ListBox runat="server">
<asp:ListItem Value="Item1" />
<asp:ListItem Value="Item2" />
</asp:ListBox>
</form>
|
Show example »
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Complete ListItem Control Reference
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