案例：ASP.net案例     状态：不可编辑再运行    进入竖版
 运行结果　
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@{
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var totalMessage = "";
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if(IsPost)
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    {
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    var num1 = Request["text1"];
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    var num2 = Request["text2"];
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    var total = num1.AsInt() + num2.AsInt();
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    totalMessage = "Total = " + total;
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}
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}
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<!DOCTYPE html>
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<html>
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<body style="background-color: beige; font-family: Verdana, Arial;">
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<form action="" method="post">
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<p><label for="text1">First Number:</label><br>
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<input type="text" name="text1"></p>
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<p><label for="text2">Second Number:</label><br>
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<input type="text" name="text2"></p>
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<p><input type="submit" value=" Add "></p>
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</form>
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<p>@totalMessage</p>
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</body>
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</html>