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<%@ Page Language="C#" %>
<script runat="server">
protected void mapMenu_Click(object sender, ImageMapEventArgs e)
{
switch (e.PostBackValue)
{
case "ToUpper":
txtText.Text = txtText.Text.ToUpper();
break;
case "ToLower":
txtText.Text = txtText.Text.ToLower();
break;
case "Erase":
txtText.Text = String.Empty;
break;
}
}
</script>
<html>
<head>
<title>ImageMap PostBack</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ImageMap
id="mapMenu"
width="300"
height="200"
ImageUrl="http://www.java2java.com/style/logo.png"
HotSpotMode="PostBack"
Runat="server" OnClick="mapMenu_Click">
<asp:RectangleHotSpot
PostBackValue="ToUpper"
Left="0"
Top="0"
Right="100"
Bottom="30"
AlternateText="To Uppercase" />
<asp:RectangleHotSpot
PostBackValue="ToLower"
Left="100"
Top="0"
Right="200"
Bottom="30"
AlternateText="To Uppercase" />
<asp:RectangleHotSpot
PostBackValue="Erase"
Left="200"
Top="0"
Right="300"
Bottom="30"
AlternateText="To Uppercase" />
</asp:ImageMap>
<br />
<asp:TextBox
id="txtText"
TextMode="MultiLine"
Columns="40"
Rows="5"
Runat="server" />
</div>
</form>
</body>
</html>
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