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