@{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="Photo1.jpg">Photo 1</option> <option value="Photo2.jpg">Photo 2</option> <option value="Photo3.jpg">Photo 3</option> </select> <input type="submit" value="Submit" /> @if (imagePath != ""){<p><img src="@imagePath" alt="Sample" /></p>} </form> </body> </html>代碼如上，但顯示出來的并不是說的那樣，原因是啥·?！azor代碼并不有被用到
這個asp.net Razor 不懂怎么用？請問該怎么操作！
搖曳的薔薇
2021-07-21 20:15:07
