鍙偤 Null 鐨勭墿浠跺繀闋堝叿鏈夊€笺€侟/title> <meta name="viewport" content="width=device-width" /> <style> body {font-family:"Verdana";font-weight:normal;font-size: .7em;color:black;} p {font-family:"Verdana";font-weight:normal;color:black;margin-top: -5px} b {font-family:"Verdana";font-weight:bold;color:black;margin-top: -5px} H1 { font-family:"Verdana";font-weight:normal;font-size:18pt;color:red } H2 { font-family:"Verdana";font-weight:normal;font-size:14pt;color:maroon } pre {font-family:"Consolas","Lucida Console",Monospace;font-size:11pt;margin:0;padding:0.5em;line-height:14pt} .marker {font-weight: bold; color: black;text-decoration: none;} .version {color: gray;} .error {margin-bottom: 10px;} .expandable { text-decoration:underline; font-weight:bold; color:navy; cursor:hand; } @media screen and (max-width: 639px) { pre { width: 440px; overflow: auto; white-space: pre-wrap; word-wrap: break-word; } } @media screen and (max-width: 479px) { pre { width: 280px; } } </style> <link rel="alternate" media="only screen and(max-width: 640px)" href="http://plugthetaxhole.com" ></head> <body bgcolor="white"> <span><H1>'/' 鎳夌敤绋嬪紡涓櫦鐢熶己鏈嶅櫒閷銆侟hr width=100% size=1 color=silver></H1> <h2> <i>鍙偤 Null 鐨勭墿浠跺繀闋堝叿鏈夊€笺€侟/i> </h2></span> <font face="Arial, Helvetica, Geneva, SunSans-Regular, sans-serif "> <b> 鎻忚堪: </b>鍦ㄥ煼琛岀洰鍓 Web 瑕佹眰鐨勯亷绋嬩腑鐧肩敓鏈檿鐞嗙殑渚嬪鐙€娉併€傝珛妾㈤柋鍫嗙枈杩借工浠ュ彇寰楅尟瑾ょ殑瑭崇窗璩囪▕锛屼互鍙婂湪绋嬪紡纰间腑鐢㈢敓鐨勪綅缃€ <br><br> <b> 渚嬪鐙€娉佽┏绱拌硣瑷夲 </b>System.InvalidOperationException: 鍙偤 Null 鐨勭墿浠跺繀闋堝叿鏈夊€笺€侟br><br> <b>鍘熷绋嬪紡閷:</b> <br><br> <table width=100% bgcolor="#ffffcc"> <tr> <td> <code><pre> 琛 21: { 琛 22: pages.Load(Val(Request["kind"])); <font color=red>琛 23: if (pages.Data.root.Value == 0) </font>琛 24: { 琛 25: DataTable pagesRow = pages.RowDataTable(pages.Data.num, nation);</pre></code> </td> </tr> </table> <br> <b> 鍘熷绋嬪紡妾擔 </b> c:\inetpub\wwwroot\page\about\index.aspx.cs<b> 琛孃 </b> 23 <br><br> <b>鍫嗙枈杩借工:</b> <br><br> <table width=100% bgcolor="#ffffcc"> <tr> <td> <code><pre> [InvalidOperationException: 鍙偤 Null 鐨勭墿浠跺繀闋堝叿鏈夊€笺€俔 System.Nullable`1.get_Value() +14041219 tw_about_index.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\page\about\index.aspx.cs:23 System.EventHandler.Invoke(Object sender, EventArgs e) +0 System.Web.UI.Control.LoadRecursive() +71 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3178 </pre></code> </td> </tr> </table> <br> <hr width=100% size=1 color=silver> <b>鐗堟湰璩囪▕:</b> Microsoft .NET Framework 鐗堟湰:4.0.30319; ASP.NET 鐗堟湰:4.0.30319.36480 </font> <center> <form data-evt="return baiduWithHttps(this)" action="http://www.baidu.com/baidu" target="_blank"> <input name="tn" type="hidden" value="SE_zzsearchcode_shhzc78w"> <a target="_blank" href="https://www.baidu.com/"><img width="100px" height="22px" src="https://www.baidu.com/img/baidu_jgylogo3.gif" alt="Baidu" align="bottom" border="0"></a> <input type="text" data-evt="checkHttps" name="word" size="20"> <input type="submit" value="百度" height="26px"> </form> <form action="https://www.sogou.com/web" name="sf" id="sf" target="_blank"> <a target="_blank" href="https://www.baidu.com/"><img width="100px" height="22px" src="https://www.sogou.com/web/index/images/logo_440x140.v.4.png" alt="sogou" align="bottom" border="0"></a> <span class="sec-input-box yuyin-cur"> <input height="22px" type="text" class="sec-input" name="query" id="query" maxlength="100" len="80" autocomplete="off"> </span> <span class="enter-input"><input type="submit" id="stb" value="搜狗" height="26px"></span> <input type="hidden" name="_asf" value="www.sogou.com"> <input type="hidden" name="_ast"> <input type="hidden" name="w" value="01019900"> <input type="hidden" name="p" value="40040100"> <input type="hidden" name="ie" value="utf8"> <input type="hidden" name="from" value="index-nologin"> <input type="hidden" name="s_from" value="index"> </form> <form id="so360form" target="_blank" action="https://www.so.com/"> <img width="100px" height="22px" src="http://p1.qhimg.com/d/_onebox/search.png"> <input height="22px" id="so360_keyword" type="text" name="q" autocomplete="off"> <input id="so360_submit" type="submit" value="搜索" height="26px"> <input type="hidden" value="utf-8" name="ie"> <input type="hidden" value="zz" name="src"> <input type="hidden" value="so.com" name="site"> <input type="hidden" value="1" name="rg"> </form> </center></body> </html> <!-- 姝ら尟瑾ら爜闈㈠彲鑳藉寘鍚晱鎰熸€ц硣鏂欙紝鍥犵偤 ASP.NET 鏄ō瀹氭垚浣跨敤 <customErrors mode="Off"/> 椤ず瑭崇窗璩囪▕閷瑷婃伅銆傝珛鑰冩叜鍦ㄥ闅涘煼琛岀挵澧冧腑浣跨敤 <customErrors mode="On"/> 鎴 <customErrors mode="RemoteOnly"/>銆?->