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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) 9^8OIv?m8 出处 s/C'f4 { %]imf|g. 6.表格超连接列传递参数 U-m MKRV )78T+7Kq <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ uZJfIC<> <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> #RU8yT 7.表格点击改变颜色 +`{OOp= Ov?J"B'F if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) S1mMz
i { CAs:>s
'8 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
xz5A[)N this.style.color=’buttontext’;this.style.cursor=’default’;"); 6},[HpXRc4 } &TA{US3~ 写在DataGrid的_ItemDataBound里 -rm[. e3:L]4t if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) l$EN7^%w { dpNERc5 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; 0NC70+4L this.style.color=’buttontext’;this.style.cursor=’default’;"); pb)8?1O|s e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); N1Ag. } >,]8iMh H;=Fq+ 8.关于日期格式 X<[ qX* 9_O4yT
L 日期格式设定 flFdoEV.U) @&WHX# DataFormatString="{0:yyyy-MM-dd}" u YT$$'S 我觉得应该在itembound事件中 y5m2u8+
_"yA1D0d_ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) FC,=g`Q! 9.获取错误信息并到指定页面 }P
fAf TxP+?1t 不要使用Response.Redirect,而应该使用Server.Transfer }>u `8'2v <TRhnz e.g uy3<2L#. M]/aW // in global.asax Rxd4{L
)n protected void Application_Error(Object sender, EventArgs e) { ?[NC
}LC if (Server.GetLastError() is HttpUnhandledException) SXOAa<u5 Server.Transfer("MyErrorPage.aspx"); &o;0%QgF J}X{
8Ds9 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) $?0ch15/ } SE]5cJ'> 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 &HM-UC| !`Rh2g*o9 10.清空Cookie ([u|j nG!<wlY14P Cookie.Expires=[DateTime]; xZ9:9/Vg Response.Cookies("UserName").Expires = 0 FoyYWj?,R 11.自定义异常处理 XZM3zlg* EbQLMLD% //自定义异常处理类 )O~[4xV~ using System; G:1'}RC : using System.Diagnostics; Mn.,?IF`K ump
~)?_B namespace MyAppException $>XeC}"x68 { ?0VR2Yb${b /// <summary> 85GIEUvH/ /// 从系统异常类ApplicationException继承的应用程序异常处理类。 H,!xTy"Wh /// 自动将异常内容记录到Windows NT/2000的应用程序日志 RwWg:4 /// </summary> _8VP'S= public class AppException:System.ApplicationException V0\[|E;F { )\fY1WD public AppException() :o'XE|N { %t9C if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); jhNFaBrS } L_8zZ8 o /8cRPB.
public AppException(string message) bmfM_oz { 7~/cz_ LogEvent(message); iQwQ5m!d & } *gbK
:*_J {*ak>Wud public AppException(string message,Exception innerException) e#(Ck{e { !_<6}:ZB LogEvent(message); -u2i"
I730 if (innerException != null) xP9(J
0y { J!6FlcsZm LogEvent(innerException.Message); *T|B'80 } l4Xz r:] } E9HMhUe H",B[
YK //日志记录类 X%1TsCKMj using System; 3FEJ
9ZyG using System.Configuration; RpHl
q using System.Diagnostics; o`?rj!\ using System.IO; ie}O
ZM using System.Text; R?2sbK4Cz using System.Threading; 'Ts:. )
?L=o0 namespace MyEventLog i=8iK#2 h { }{aGh I~< /// <summary> IP~!E_e}\ /// 事件日志记录类,提供事件日志记录支持 ;SR ESW /// <remarks> j]a$RC# /// 定义了4个日志记录方法 (error, warning, info, trace) =P-&dN /// </remarks> v0^9"V:y
/// </summary> 8!g
`bC#% public class ApplicationLog z`y9<+ { ));#oQol9 /// <summary> g;IlS*Ld /// 将错误信息记录到Win2000/NT事件日志中 BxY t*b% /// <param name="message">需要记录的文本信息</param> !,J#
r /// </summary> H#-3 public static void WriteError(String message) Z
O}Og&% { l{3B}_, WriteLog(TraceLevel.Error, message); 8OfQ : } ;`9f<d#\ y!e]bvN /// <summary> fGgt[f[ /// 将警告信息记录到Win2000/NT事件日志中 ijI/z
5 /// <param name="message">需要记录的文本信息</param> )fH
Q7 /// </summary> mgxIxusR public static void WriteWarning(String message) *P()&}JK { @0`A!5h?u WriteLog(TraceLevel.Warning, message); &}ZmT>q`$ } > =>/~dIb
K
+7 /// <summary> ]`o5eByo /// 将提示信息记录到Win2000/NT事件日志中 O--p)\ /// <param name="message">需要记录的文本信息</param> G#iQX` /// </summary> WlL(NrVA@@ public static void WriteInfo(String message) wAMg"ImJ { " T(hcI WriteLog(TraceLevel.Info, message); ~KK9aV{ } ia6 jiW x /// <summary> PN}+LOD<t /// 将跟踪信息记录到Win2000/NT事件日志中 vwR_2u /// <param name="message">需要记录的文本信息</param> 337.' |ZE /// </summary> : }Jx public static void WriteTrace(String message) Tw~R-SiS`s { >T$0*7wF WriteLog(TraceLevel.Verbose, message); G1:}{a5i_ } D?|D)"?qb 9O[IR)O~ /// <summary> jzvK;*N /// 格式化记录到事件日志的文本信息格式 n}p G&&;q /// <param name="ex">需要格式化的异常对象</param> e8a^"Z`a /// <param name="catchInfo">异常信息标题字符串.</param> ?2<QoS /// <retvalue> G
hM /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> c
'|*{%<e2 /// </retvalue> G,8mFH /// </summary> OqGp|` public static String FormatException(Exception ex, String catchInfo) $C16}^ { +)jUA]hJ/ StringBuilder strBuilder = new StringBuilder(); QE]@xLz if (catchInfo != String.Empty) ZvY"yl?e { T2{e1 =Z7 strBuilder.Append(catchInfo).Append("\r\n");
t]c<HDCK } cS&KD@. strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); UlXm4\@ return strBuilder.ToString(); (6,:X } %
$BRQ-O " <bjS /// <summary> (6%T~|a /// 实际事件日志写入方法 o)Q4+njT@ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param> 3
98)\3o /// <param name="messageText">要记录的文本.</param> Z;+,hR(( /// </summary>
2[
sY?C private static void WriteLog(TraceLevel level, String messageText) z/Lb1ND8 { YznL+TD try bR`5g { b+s'B4@rb EventLogEntryType LogEntryType; 2%/F`_XbP switch (level) 1N/4W6 { QPy h.9:N case TraceLevel.Error: LP3#f{U LogEntryType = EventLogEntryType.Error; v}>g* @ break; QW..=}pL case TraceLevel.Warning: o!xCM:+J LogEntryType = EventLogEntryType.Warning; =i~
= |K! break; @Y
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K case TraceLevel.Info: 'O%*:'5k LogEntryType = EventLogEntryType.Information; XT0-"-q break; ;5X6`GlS#5 case TraceLevel.Verbose: [_
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.}e LogEntryType = EventLogEntryType.SuccessAudit; w+m7jn!$ break; `JIp$ default: dcKpsX LogEntryType = EventLogEntryType.SuccessAudit; 8YSvBy break; |\bNFnn( } oy[s])Tg 1P]J3o EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName ); /{R
^J# //写入事件日志
dX\OP> eventLog.WriteEntry(messageText, LogEntryType); gd[muR ~ CfOyHhhKX } l(Y32]Z catch {} //忽略任何异常 fD%/]`
y } pyf'
_ } //class ApplicationLog #h.N#{9 }
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[楼 主]
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Posted: 2006-04-03 13:58 |
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