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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) [))TL 出处 _%gu<Ys lS96sjJp@ 6.表格超连接列传递参数 _^MkC}8 ?B['8ju <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ Q:^.Qs"IK <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
!XQq* 7.表格点击改变颜色 _eZ
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:zro if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) k];NTALOG { sLze/D_M* e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; 13aj fH this.style.color=’buttontext’;this.style.cursor=’default’;"); fWs@ZCt } R5& R~1N 写在DataGrid的_ItemDataBound里 <5E: ,< I[w;soI if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) o"j$*o= { 3L^]J}| e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; C
@nA* this.style.color=’buttontext’;this.style.cursor=’default’;"); GV0-"9uwX~ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); T)o>U&KNP } 5j~1%~,# uD4j.% 8.关于日期格式 <?FkwW\? p;Nq(=]
\ 日期格式设定 y8j6ttQv=t bPA >xAH DataFormatString="{0:yyyy-MM-dd}" CmxQb,Uls 我觉得应该在itembound事件中 iHKX#* R3|r`~@@ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) } /*U~!t 9.获取错误信息并到指定页面 K_ Odu^ .]YTS 不要使用Response.Redirect,而应该使用Server.Transfer a.2Xl}2o5 d1';d6.u\ e.g /m|U2rrqb 26ae|2?
// in global.asax UY(\T8 protected void Application_Error(Object sender, EventArgs e) { 1) Nj.#) if (Server.GetLastError() is HttpUnhandledException) y.$Ae1a= Server.Transfer("MyErrorPage.aspx"); "\+.S]~
]$i@^3`[w //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) apgR[=Oy } IictX"3lh Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 PiN^/#D )&j@={0 10.清空Cookie \V#fl
#z+?t Cookie.Expires=[DateTime]; 0X:$ASocU Response.Cookies("UserName").Expires = 0 e}+Zj'5 11.自定义异常处理 &y&HxV [\qclW;L //自定义异常处理类 c2gi3 using System; t:"3MiM=c using System.Diagnostics; erhez p\R&vof* namespace MyAppException .C` YO2, { ~@DdN5 /// <summary> 4]#$YehM5 /// 从系统异常类ApplicationException继承的应用程序异常处理类。 &["e1ki /// 自动将异常内容记录到Windows NT/2000的应用程序日志 ~F8xXW0 /// </summary> 2u$rloc$b public class AppException:System.ApplicationException h5(OjlMC { {[3xi`0- public AppException() p-r[M5;-^Q { FGzKx9I9 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); a`R_}nus* } VVDW=G 4xH/a1&p= public AppException(string message) J;=T"C& { 0*_E'0L8e LogEvent(message); :a^/&LbLm } 3YJ"[$w='( zez|l public AppException(string message,Exception innerException) l6L?jiTl_ {
G:3szz LogEvent(message); ITg<u?z_ if (innerException != null) lh[?`+A { Z/dhp0k LogEvent(innerException.Message); j8nkNE]& } XMiu}w! } C$0g2X l*6Zh"o: //日志记录类 \h_q] using System; `<7!Rh,tS^ using System.Configuration; !?v_. using System.Diagnostics; !sSq
4K using System.IO; bK.*v4RG using System.Text; U2l3E*O using System.Threading; Bp3E)l B]@25 namespace MyEventLog XbqMWQN* { bMGn&6QiP[ /// <summary> #c5jCy}n /// 事件日志记录类,提供事件日志记录支持 l?=\9y /// <remarks> 7@
) /// 定义了4个日志记录方法 (error, warning, info, trace) !
5NuFLOf /// </remarks> :
nQlS /// </summary> |1RVm?~i public class ApplicationLog d 8DU[p { Y}1c>5{bE /// <summary> Vv45w#w; /// 将错误信息记录到Win2000/NT事件日志中 e=WjFnK[x7 /// <param name="message">需要记录的文本信息</param> 2lCFE) /// </summary> vWZXb` public static void WriteError(String message) iN[x
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WriteLog(TraceLevel.Error, message); tqZ+2c<W3 } @kqxN\DE +yp:douERi /// <summary> 4P&2Z0 /// 将警告信息记录到Win2000/NT事件日志中 Y @p<f5[c /// <param name="message">需要记录的文本信息</param> I I+y /// </summary> 0RT8N=B83 public static void WriteWarning(String message) [mA-sl] { G{3|d/;Bt WriteLog(TraceLevel.Warning, message); G
aV&y } Dz(\ ? y|2
<Vc /// <summary> n^Ca?|}
, /// 将提示信息记录到Win2000/NT事件日志中 x9"Cm;H% /// <param name="message">需要记录的文本信息</param> "XR=P>
xk /// </summary> U!aM63F3 public static void WriteInfo(String message) GtVT^u_ { iT>u&0B- WriteLog(TraceLevel.Info, message); 5To@d|{ } v Y0bK- /// <summary> ^#HaH /// 将跟踪信息记录到Win2000/NT事件日志中 H<(F$7Q!\ /// <param name="message">需要记录的文本信息</param> *siX:?l /// </summary> \Ii{s
n9 public static void WriteTrace(String message) eV[{c %wN: { &h-_|N WriteLog(TraceLevel.Verbose, message); c*;oR$VW } r5}p . D&G6
^ME /// <summary> }QFL /// 格式化记录到事件日志的文本信息格式
srVWN:uuH /// <param name="ex">需要格式化的异常对象</param> !8H0.u
rw /// <param name="catchInfo">异常信息标题字符串.</param> qGk.7wf% /// <retvalue> WH:dcU /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> Ew/MSl6} /// </retvalue> AYAU /// </summary> .xT?%xSi/ public static String FormatException(Exception ex, String catchInfo) @t%da^-HS" { \ND]x]5d StringBuilder strBuilder = new StringBuilder(); .]v>LsbhF if (catchInfo != String.Empty) Kxsd@^E { SZWNN#w60? strBuilder.Append(catchInfo).Append("\r\n"); JtFq/&{i } `% 9Y)a/e strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); w
<r*& return strBuilder.ToString(); xV>
.] } G_F_TNO mdc?~??8 /// <summary> -H60T,o
/// 实际事件日志写入方法 ]Jswxw /// <param name="level">要记录信息的级别(error,warning,info,trace).</param> {"p ~M7 /// <param name="messageText">要记录的文本.</param> mB`HPT /// </summary> b `P6Ox3 private static void WriteLog(TraceLevel level, String messageText) [G_ ;78 { < se~wR try qz`-?,pF { ]xS%Er EventLogEntryType LogEntryType; WI1YP0V switch (level) T!x/^ { 4rhHvp case TraceLevel.Error: (Aw@}! LogEntryType = EventLogEntryType.Error; ~B
I`{/O= break; ! Vl)aL case TraceLevel.Warning: zw3I(_d[ LogEntryType = EventLogEntryType.Warning; 2m$C;j!D break; 5YrzOqg= case TraceLevel.Info: *L<EGFP LogEntryType = EventLogEntryType.Information; Ja1`S+ break; ^qL<=UC. case TraceLevel.Verbose: +=W(c8~P LogEntryType = EventLogEntryType.SuccessAudit; _#~D{91
j: break; HDhkg-QC default: +wj}x?ZeV LogEntryType = EventLogEntryType.SuccessAudit; B/16EuH# break; VK/L}^=GOO } %]F/!n |ghyH EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName ); :H>I`)bw //写入事件日志 jct=Nee| eventLog.WriteEntry(messageText, LogEntryType); E|-oUzt U^}7DJ } |7K>` catch {} //忽略任何异常 _ow7E\70 } n:a~=^IV } //class ApplicationLog oHfr
glGX }
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[楼 主]
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Posted: 2006-04-03 13:58 |
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