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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) EjSD4
出处 hO6RQ0Iv@ ~M*gsW$ 6.表格超连接列传递参数 3D[=b%2\ kwlC[G$j7 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ DWrbp <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> ~KRnr0 7.表格点击改变颜色 >A($8=+#x r?^"65= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) fa{@$ppx { kOipH |.x e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; &XQZs`41+ this.style.color=’buttontext’;this.style.cursor=’default’;"); dIJGB== } @9vvR7{P 写在DataGrid的_ItemDataBound里 ([KN*OF jDTUXwx7V if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) :l"dYfl { lzDdD3Ouc e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; s;1e0
n this.style.color=’buttontext’;this.style.cursor=’default’;"); |I^y0Q:K e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); e4[) WNR } Pp*}R2 3cC }'j 8.关于日期格式 ETp'oh}? _7@z_i_c 日期格式设定 z-@-O $]*d#`Sy{% DataFormatString="{0:yyyy-MM-dd}" g.a| c\WH 我觉得应该在itembound事件中 }q'WC4. yd>}wHt e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) /s[DI;M$o 9.获取错误信息并到指定页面 ~lw<799F6 ` X}85 不要使用Response.Redirect,而应该使用Server.Transfer p4wr`"Zz |4Ha?W e.g B*,?C]0{ (vQ+e // in global.asax \L[i9m| e protected void Application_Error(Object sender, EventArgs e) { &iSD/W if (Server.GetLastError() is HttpUnhandledException) ow.6!tl0=h Server.Transfer("MyErrorPage.aspx"); 6c<ezEJ g-@h>$<
1 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) *^h_z;{, } ]}2Ztr)zZ 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 Y\?j0X; f\K#>u*
Q 10.清空Cookie 7GZq|M_:y oJY[{-qW Cookie.Expires=[DateTime]; X~RH^VYv Response.Cookies("UserName").Expires = 0 cZQu *K^j 11.自定义异常处理 ,{{SI km\%BD~ //自定义异常处理类 9L)L|4A.l using System; Lko`F$5X using System.Diagnostics; O&$0&dhc q)iTn)Z! namespace MyAppException A=`*r* { kuS/S\Z5K /// <summary> c8ZCs? /// 从系统异常类ApplicationException继承的应用程序异常处理类。 =A n`D /// 自动将异常内容记录到Windows NT/2000的应用程序日志 D ,M@8h, /// </summary> Lq04T0 public class AppException:System.ApplicationException 6?SFNDQ"C { +qkMQETV6 public AppException() \ 4gXY$`@ { %f!
iHo+Z if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); /`+7_=- } A3s57.Z]| $Jf9;. public AppException(string message) +X^4;
& { se,Z#H LogEvent(message); ( u f5\}x } o#e7,O &;v!oe public AppException(string message,Exception innerException) Bp3
L>AcVu { #:{6b*} LogEvent(message); ;r!\-]5$ if (innerException != null) .B$h2#i1 { kF-TG3 LogEvent(innerException.Message); 3; y_mg } Z#7U
"G-A } BKA]G)G7u! !K\itOEP- //日志记录类 B] i:) using System; #!d]PH746 using System.Configuration; F< |c4 using System.Diagnostics; ('d{t:TsY using System.IO; xjrlc9 using System.Text; {8:o?LnMW using System.Threading; >zR14VO`_| T6=-hA^A namespace MyEventLog Omb.53+ { 6Ahr_{ /// <summary> 4:3_ER ]J /// 事件日志记录类,提供事件日志记录支持 {F!v+W> /// <remarks> @+t (xCv /// 定义了4个日志记录方法 (error, warning, info, trace) D1ZC&B_}- /// </remarks> X<FOn7qf /// </summary> H ;wR public class ApplicationLog
*;X-\6 { mt^`1ekoY /// <summary>
G1p'p&x. /// 将错误信息记录到Win2000/NT事件日志中 [D hEh@ /// <param name="message">需要记录的文本信息</param> U/5$%0) /// </summary> jYk5~<\k public static void WriteError(String message) V" }*"P-% { b-4dsz'ai WriteLog(TraceLevel.Error, message); |Q6h/"2 } 3 69Zu4|u -U:2H7 /// <summary> aPt{C3< /// 将警告信息记录到Win2000/NT事件日志中 2$Wo&Q^_ /// <param name="message">需要记录的文本信息</param> FNlx1U[ /// </summary> [!Ao,rt?Vg public static void WriteWarning(String message)
@Rf^P( { IE}Sdeqi) WriteLog(TraceLevel.Warning, message); eN4t1$ } ]h0Y8kpd ;8uHRcdQ /// <summary> q6Rw4 /// 将提示信息记录到Win2000/NT事件日志中 h*l
cEzG?A /// <param name="message">需要记录的文本信息</param> !9PX\Xbn /// </summary> nqrDT1b** public static void WriteInfo(String message) _=6vW^s { 0+rW;-_( WriteLog(TraceLevel.Info, message); -&$%|cyThQ } _E&U?>g+ /// <summary> u!M&;QL /// 将跟踪信息记录到Win2000/NT事件日志中 uRFNfX(* /// <param name="message">需要记录的文本信息</param> fG3wc
l~ /// </summary> sFC
f\y public static void WriteTrace(String message) b#e]1Q { w{~" ;[@ WriteLog(TraceLevel.Verbose, message); $f9 ,##/ } wQ@Zwbx 7(H?k /// <summary> ,#=eu
85' /// 格式化记录到事件日志的文本信息格式 *13g<#$ /// <param name="ex">需要格式化的异常对象</param> ?U
=mcdqd /// <param name="catchInfo">异常信息标题字符串.</param> \A` gK\/h /// <retvalue> 9fCiLlI /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> CZF^Wxk /// </retvalue> pHigxeV2 /// </summary> }klE0<W|5\ public static String FormatException(Exception ex, String catchInfo) 4
`j,&= { ?a*fy}A| StringBuilder strBuilder = new StringBuilder(); h<+PP]l= if (catchInfo != String.Empty) M-{b { 1'(_>S5CG strBuilder.Append(catchInfo).Append("\r\n"); vx({N? } NEjPU#@c strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); SD)5?{6< return strBuilder.ToString(); }IxY(`:qs } md1EJ1\14 \]
tq7 /// <summary> Zm"!E6`69 /// 实际事件日志写入方法 :DS2zA /// <param name="level">要记录信息的级别(error,warning,info,trace).</param> {hk
M*:U /// <param name="messageText">要记录的文本.</param> [lDt0l5^ /// </summary> WLg6-@kxXs private static void WriteLog(TraceLevel level, String messageText) r6gt9u: { .y/NudD try M"$jpBN* { <> &e/ EventLogEntryType LogEntryType; ];d5X switch (level) *:fw6mnJ# { (hRgYwUa< case TraceLevel.Error: r{Qs
9 LogEntryType = EventLogEntryType.Error; ^C,/T2> break;
E :' case TraceLevel.Warning: T@d_t LogEntryType = EventLogEntryType.Warning; n]6}yJJo break; ~vjr;a(B case TraceLevel.Info: _.Z&<.lJ LogEntryType = EventLogEntryType.Information; fY,@2VxyfA break; &}L36|A: case TraceLevel.Verbose: m_r@t* LogEntryType = EventLogEntryType.SuccessAudit; b.%B;qB break;
1"4nmw} default: 5 vu_D^Q LogEntryType = EventLogEntryType.SuccessAudit; QBPvGnb break; cciAMQhA } *k@0:a(> JQbMw>Y EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName ); #BT6bH08X //写入事件日志 eN2k8= eventLog.WriteEntry(messageText, LogEntryType); /F8\%l+ D?*sdm9r` } VATXsD catch {} //忽略任何异常 HA3SQ } .^N#|hp^ } //class ApplicationLog p$b=r+1f }
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[楼 主]
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Posted: 2006-04-03 13:58 |
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