📄 imagebuttoneventargs.aspx

📁 asp.net技术内幕的书配源码

💻 ASPX

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<Script Runat="Server">

Sub ImageButton_Click( s As Object, e As ImageClickEventArgs )
  Select Case e.X
    Case Is < 95
      lblMessage.Text = txtSomeText.Text.ToUpper()
    Case Is < 185
      lblMessage.Text = txtSomeText.Text.ToLower()
    Case Is < 289
      lblMessage.Text = ""
  End Select
End Sub

</Script>

<html>
<head><title>ImageButtonEventArgs.aspx</title></head>
<body>

<form Runat="Server">

<asp:ImageButton
  OnClick="ImageButton_Click"
  ImageUrl="menu.gif"
  Runat="Server"/>

<p>

<asp:TextBox
  ID="txtSomeText"
  TextMode="MultiLine"
  Columns="50"
  Rows="10"
  Text="Type Some Text Here!"
  Runat="Server"/>

<hr>
<asp:Label
  id="lblMessage"
  Runat="Server"/>

</form>

</body>
</html>

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