第一个问题，不可以，只能触发ServerChange事件。前台： onserverchange="Server_Change" <br> runat="server"/><br>后台：<br> void Server_Change(Object sender, EventArgs e)<br> {<br> if (TextArea1.Value.Length > 20)<br> Span1.InnerHtml = "Your comment cannot exceed 20 characters.";<br> else<br> Span1.InnerHtml = "You wrote: <br />" + TextArea1.Value;<br><br> }<br>第二个不行。<br><br>对于你的补充，貌似你可以试试FCKEditor之类的控件。。。</p> </div> </div> <div class="clear"></div> </div> <div class="wdhdnr"> <div class="huidanrtop"> <div class="wdhuidaxinx"> <div class="wdhuidaxm">回答2：</div> </div> </div> <div class="clear"></div> <div class="wdhuidanrmid"> <div class="zuijiacont"> <p>1.不可以<br>2.不可以<br>3.还是textarea，只不过用onkeyup来触发<br>onclick是鼠标点击</p> </div> </div> <div class="clear"></div> </div> <div class="wdhdnr"> <div class="huidanrtop"> <div class="wdhuidaxinx"> <div class="wdhuidaxm">回答3：</div> </div> </div> <div class="clear"></div> <div class="wdhuidanrmid"> <div class="zuijiacont"> <p>会触发onTextChange</p> </div> </div> <div class="clear"></div> </div> </div> </div> <div class="wendaright"> <div class="wdluluerwema"> <div class="wdxgwttop">相关问答</div> <div class="wdxgwtnr"> </div> <div class="clear"></div> </div> <!-- 其他随机问答['id'=>alphaID($like['zid'])] --> <div class="wdluluerwema"> <div class="wdxgwttop">最新问答</div> <div class="wdxgwtnr"> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/433094081890125524.html">轮胎店卖轮胎碰到顾客说你的店里轮胎价格怎么同网上差很多,最好的说词是什么，如何说法能让顾客信服</a></div> </div> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/619316822938796292.html">查成语填空四个字单()独鸟有没有四个字的成语单什么独鸟</a></div> </div> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/341672938.html">求歌词：一个人的生活 我会习惯寂寞</a></div> </div> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/1639903226035866060.html">请大师分析我手上这一颗痣是什么预兆？还长了一条毛，小时候就有的，非懂者勿扰！</a></div> </div> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/268156185162778885.html">耳朵发炎了可以吃头孢拉定胶囊消炎吗</a></div> </div> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/204988095608920045.html">谁有好看的抽烟图片</a></div> </div> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/1999062630194761387.html">中山古镇灯饰十大名牌</a></div> </div> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/366667552.html">电视剧悬崖第40集中周乙牺牲时的背景音乐是什么曲子？</a></div> </div> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/619740260333105892.html">遇事要多动脑筋作文1篇</a></div> </div> <div class="wdxgwtcont"> <div class="wdxgtitle"><a href="https://www.aq8.net/203538035.html">怎么把手机主题里的屏保图片弄出来？</a></div> </div> </div> </div> </div> <div class="clear"></div> <div class="footer"> <!-- 移动底部导航 --> <div class="fanhuitop"><a href="#top" ref="nofollow"><img src="https://www.aq8.net/static/old/img/fhtop.png" alt="返回顶部" title="返回顶部"></a></div> <div class="dibu"> <div class="dibu"> </div> </div> <div class="banquan"> <p>内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024</p> </div> </div> </div> </div> <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?d86df1760ee607dc5bff1a7aab937e8e"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> </body> </html>
