📄 radiobuttonautopostback.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

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<Script Runat="Server">

Dim strBackGroundColor As String = "white"

Sub BackColor_Changed( s As Object, e As EventArgs )
  strBackGroundColor = s.Text
End Sub

</Script>

<html>
<head><title>RadioButtonAutoPostBack.aspx</title></head>
<body bgcolor="<%= strBackGroundColor %>">

<form Runat="Server">

Select a background color:

<p>
<asp:RadioButton
  ID="radRed"
  AutoPostBack="True"
  GroupName="backcolor"
  OnCheckedChanged="BackColor_Changed"
  Text="Red"
  Runat="Server" />

<br>
<asp:RadioButton
  ID="radBlue"
  AutoPostBack="True"
  GroupName="backcolor"
  OnCheckedChanged="BackColor_Changed"
  Text="Blue"
  Runat="Server" />

<br>
<asp:RadioButton
  ID="radGreen"
  AutoPostBack="True"
  GroupName="backcolor"
  OnCheckedChanged="BackColor_Changed"
  Text="Green"
  Runat="Server" />

</form>

</body>
</html>

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