ASP.net案例 - W3xue在线HTML/CSS/JS运行工具

@{
var imagePath=""; 
if( Request["Choice"] != null)
   {imagePath="images/" + Request["Choice"];} 
} 
<!DOCTYPE html> 
<html> 
<body> 
<h1>Display Images</h1> 
<form method="post" action=""> 
I want to see: 
<select name="Choice"> 
   <option value="Pic1.jpg">Photo 1</option> 
   <option value="Pic2.jpg">Photo 2</option> 
   <option value="Pic3.jpg">Photo 3</option> 
</select> 
<input type="submit" value="Submit"> 
@if(imagePath != "")
{
<p>
<img src="@imagePath" alt="Sample">
</p>
}  
</form> 
</body> 
</html>

AخA
 
@{
var imagePath=""; 
if( Request["Choice"] != null)
   {imagePath="images/" + Request["Choice"];} 
} 
<!DOCTYPE html> 
<html> 
<body> 
<h1>Display Images</h1> 
<form method="post" action=""> 
I want to see: 
<select name="Choice"> 
   <option value="Pic1.jpg">Photo 1</option> 
   <option value="Pic2.jpg">Photo 2</option> 
   <option value="Pic3.jpg">Photo 3</option> 
</select> 
<input type="submit" value="Submit"> 
@if(imagePath != "")
{
<p>
<img src="@imagePath" alt="Sample">
</p>
}  
</form> 
</body> 
</html>