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ASP.NET程序中常用的三十三种代码(2)
ASP.NET程序中常用的三十三种代码(2) h.Sbds 出处 NS+uiy xdY'i0fh 6.表格超连接列传递参数 t\!5$P 1D
L+=- <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ (Ia:>ocE0 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> W?.xtQEv 7.表格点击改变颜色 vl|3WYA k<f0mo
xs' if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) 66+]D4(k { KBI1t$ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; -XkjO$=!= this.style.color=’buttontext’;this.style.cursor=’default’;"); IBNb!mPu% } 4j i#Q 写在DataGrid的_ItemDataBound里 N "
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!y!s/i&P% if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^r]-v++ { "/UPq6 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; rfZg
this.style.color=’buttontext’;this.style.cursor=’default’;"); 9+5F(pd( e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); AP=SCq; } qPhVc9D# HJ!)&xT 8.关于日期格式 'Nx"_jQ x0TE+rf5 日期格式设定 )coA30YR (ueH@A"9; DataFormatString="{0:yyyy-MM-dd}" pBQ[lPCY/ 我觉得应该在itembound事件中 R9+f^o`W aIWpgUd` e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) 6skd>v UU 9.获取错误信息并到指定页面 *\Hut'7 d p4b6TI9; 不要使用Response.Redirect,而应该使用Server.Transfer \D[~54 9@*4^Ks p e.g 2Paw*"U ^AUQsRA7PZ // in global.asax 0XL[4[LdA protected void Application_Error(Object sender, EventArgs e) { EVbDI yFn if (Server.GetLastError() is HttpUnhandledException) V<REcII. Server.Transfer("MyErrorPage.aspx"); _g"su#
uQWd`7 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) %';DBozZ } RWn#"~ Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 [@s5v eA/}$.R 10.清空Cookie +Pn`AV1 6AmFl< Cookie.Expires=[DateTime]; .fY$$aD$4 Response.Cookies("UserName").Expires = 0 8@I.\u)0 11.自定义异常处理 HYg7B UAdj[m61 //自定义异常处理类 sM%.=~AN using System; sZU
Ao& using System.Diagnostics; h6(L22Hn *km- pp namespace MyAppException ^EKf_w-v { );x[1*e /// <summary> ]^l-k@ /// 从系统异常类ApplicationException继承的应用程序异常处理类。 Qp>Q-+e0 /// 自动将异常内容记录到Windows NT/2000的应用程序日志 _]=, U.a=/ /// </summary> 9'JkLgz;d+ public class AppException:System.ApplicationException ymyk.#Z<% { R
)e^H public AppException() 22m'+3I~Y { /?QBMI
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); 1Aa=&B2 } -3:x(^|:K w2`j&]D6
public AppException(string message) \t@|-` { n?A;'\cK LogEvent(message); aA.TlG@zP } r7p>`>_Q\ 9Uh nr]J. public AppException(string message,Exception innerException) cb~m==G { 6e;.}i LogEvent(message); tI(co5 W if (innerException != null) -f:uNF]Ls { Djf,#&j
!3 LogEvent(innerException.Message); I*K~GXWs# } th*E"@ } pc%_:> xTL"%'| //日志记录类 }KHdlhD using System; re/l5v,|3 using System.Configuration; "L" 6jT using System.Diagnostics; u-. _; using System.IO; L1k_AC1.M using System.Text; f"5vpU^5* using System.Threading; YX_p3 ,#r>#fi0 namespace MyEventLog # -Ts]4v { >2~q{e /// <summary> ]f q.r /// 事件日志记录类,提供事件日志记录支持 xAD:Z" /// <remarks> Ro?aDrQ /// 定义了4个日志记录方法 (error, warning, info, trace) eJ#q! < /// </remarks> PDo%ob\Ym /// </summary> ;Z"6ve4 public class ApplicationLog 1G+42>?<1 { |}\et
ecB /// <summary> eUA6X
,I /// 将错误信息记录到Win2000/NT事件日志中 s7<x~v+^ /// <param name="message">需要记录的文本信息</param> =x~HcsJ8!R /// </summary> Llk4=p public static void WriteError(String message) W^q;=D6uh { 8|w_PP1oE WriteLog(TraceLevel.Error, message); C-$S]6 } Dm[4`p@IY\ 2*
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3aX /// <summary>
WLEjRx /// 将警告信息记录到Win2000/NT事件日志中 !~cTe!T /// <param name="message">需要记录的文本信息</param> DGTSk9iK( /// </summary> -U(T public static void WriteWarning(String message) h\b]>q@ { t7("geN] WriteLog(TraceLevel.Warning, message); HKCM
KHR } "8aw=3A XS]=sfN /// <summary> e7ixi^Q /// 将提示信息记录到Win2000/NT事件日志中 1y l2i|m+ /// <param name="message">需要记录的文本信息</param> 2Tt@2h_L /// </summary> ;GO>#yg4Eh public static void WriteInfo(String message) veg\A+:' { RZ9vQ\X
U) WriteLog(TraceLevel.Info, message); ](4V3w. } 9. Q;J#;1 /// <summary> K>9]I97g' /// 将跟踪信息记录到Win2000/NT事件日志中 <XX\4[wb /// <param name="message">需要记录的文本信息</param> hVI
$r /// </summary> dy;Ue5 public static void WriteTrace(String message) b&B<'Wb { |_8-3 WriteLog(TraceLevel.Verbose, message); a-,!K } +Cl(:kfYB l2U"4d!o /// <summary> 7\'vSHIL /// 格式化记录到事件日志的文本信息格式 3Ln~"HwP /// <param name="ex">需要格式化的异常对象</param> 2c@R!* /// <param name="catchInfo">异常信息标题字符串.</param> z@^[. /// <retvalue> C] qY /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> 7^#f<m;Ar! /// </retvalue> ~mx me6"v /// </summary> aR ao\Wp| public static String FormatException(Exception ex, String catchInfo) V|ax(tHv { ^[Cpu_]D StringBuilder strBuilder = new StringBuilder();
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,V( ^ if (catchInfo != String.Empty) V03U"eI=" { *g]q~\b/; strBuilder.Append(catchInfo).Append("\r\n"); KlDW'R$ } =0TnH<` strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); '+N!3r{G return strBuilder.ToString(); ifl`QZp_ } @*e|{;X]hy 3t5`,R1@t /// <summary> s3kHNDdC /// 实际事件日志写入方法 hC?:XVt /// <param name="level">要记录信息的级别(error,warning,info,trace).</param> /Pv
d[oF /// <param name="messageText">要记录的文本.</param> AHc:6v^ /// </summary> B*p`e1 private static void WriteLog(TraceLevel level, String messageText) 0m7ANqE[Z { m.e+S,i try G?CaCleG { |9T3" _MmJ EventLogEntryType LogEntryType; KWbnSL8 switch (level) CRf!tsj@ { 2K4Jkyi case TraceLevel.Error: :kz*.1 LogEntryType = EventLogEntryType.Error; B/.+&AJw break; g*?)o!_* case TraceLevel.Warning: /~[+' LogEntryType = EventLogEntryType.Warning; "<uaG?: break; '8\7(0$c case TraceLevel.Info: `!WtKqr%B LogEntryType = EventLogEntryType.Information; I[,tf! break; &HBqweI case TraceLevel.Verbose: 2u9O
+]EP LogEntryType = EventLogEntryType.SuccessAudit; ap;?[B~Ga break; 6/_] |4t default: "~-H]9 LogEntryType = EventLogEntryType.SuccessAudit; "zFv?ay break; kHLpa/A } P7ktr?V0a \1|]?ZQ\K EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName ); !kCMw%[ //写入事件日志 wMFo8;L eventLog.WriteEntry(messageText, LogEntryType); {6H%4n |m{Q_zAB } 4#hDt^N~ catch {} //忽略任何异常 #m>Rt~(,S } OSP#FjH } //class ApplicationLog
/tIR}qK }
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[楼 主]
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Posted: 2006-04-03 13:58 |
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