RadioButtonList

The object of the family of RadioButtonList Web Server Control ASP.NET creates a series of radio buttons managed by the server side. NET Framework, laid out in an HTML table.

Let's see the list of properties of the RadioButtonList:

• CellPadding - sets the padding inside the cell that contains the checkboxes.
• CellSpacing - sets the padding outside the cell that contains the checkboxes.
• RepeatColumns - contains the number of checkboxes to display in the control.
• RepeatDirection - specifies whether the checkbox should be set horizontally or vertically, depending on this information, will be assigned a value of Vertical or Horizontal.
• RepeatLayout - specifies whether or not the checkboxes should be contained in a table, then using values ​​respectively Table or Flow.
• TextAlign - sets the alignment of the checkbox values ​​through the Left, Center or Right.

Runat attribute is always applied (set to "server") to allow. NET Framework to recognize it as a server-side object.

Let's see a simple example:

 <script runat="server">







 Sub Example (sender As Object, e As EventArgs)



    



 End Sub







 </ Script>









 <form runat="server">







 <asp:RadioButtonList id="Colori" runat="server">



    



 <asp:ListItem> Red </ asp: ListItem>



    



 <asp:ListItem> Yellow </ asp: ListItem>



    



 <asp:ListItem> Green </ asp: ListItem>



    



 <asp:ListItem> Blue </ asp: ListItem>







 </ Asp: RadioButtonList>







 <br /> <br />







 <asp:Button text="Clicca qui" OnClick="Esempio" runat="server" />







 <br /> <br />







 <p> <asp:label id="Testo" runat="server"/> </ p>







 </ Form>