1. 打开新的窗口并传送参数: 4vf,RjB-5
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传送参数: q/t~`pH3
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") VK?c='zg
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接收参数: 3gY4h*|`<
string a = Request.QueryString("id"); RLX?3u&
string b = Request.QueryString("id1"); W\<p`xHk
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2.为按钮添加对话框 wQ/FJoB
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); }\_[+@*EJ
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") }&Jml%F4uR
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3.删除表格选定记录 @|J+f5O
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; Y7
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string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() 9oJ=:E~CP
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4.删除表格记录警告 e025m}%SU
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) Gv zw=~8
{ '}T6e1#JV
switch(e.Item.ItemType) $NhKqA`0
{ ;&G8e*bM2
case ListItemType.Item : Kly`V]XE
case ListItemType.AlternatingItem : &d^u$Y5
case ListItemType.EditItem: m8njP-CZ
TableCell myTableCell; W]DZ'
myTableCell = e.Item.Cells[14]; IMay`us]:8
LinkButton myDeleteButton ; aqAWaO
myDeleteButton = (LinkButton)myTableCell.Controls[0]; 8k`rj;
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); ok7yFm1\
break; vd'd@T
default: f.&Y_G3a<
break; VC@{cVT
} @AU<'?k
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} 5KFd/9
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5.点击表格行链接另一页 wH Q$F(by
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) e(m#elX
{ /|2#s%|-=
//点击表格打开 zg83->[
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) UP}5E h
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); yp:_W@
} l4s_9
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双击表格连接到另一页 K@zzseQ}=
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在itemDataBind事件中 QcDWVM'v
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) T5+iX`#M
{ S<V__Sv
string OrderItemID =e.item.cells[1].Text; P ME
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e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); ^#VyI F3q
} gr")Jw7
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双击表格打开新一页 r&t)%R@q
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) >-{)wk;1&
{ Z:PsQ~M
string OrderItemID =e.item.cells[1].Text; )m Uc
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... dT9!gNvQ
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); RjS&^uaP
} n(#159pZ
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★特别注意:【?id=】 处不能为 【?id =】 G.}
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6.表格超连接列传递参数 er?'o1M
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ n)7olP0p
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> 1&@s2ee4
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7.表格点击改变颜色 `2@t) :
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) OyG$ ]C
{ !`G7X
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; (&G4@V d
this.style.color=’buttontext’;this.style.cursor=’default’;"); m1k+u)7kD
} FV&&
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写在DataGrid的_ItemDataBound里 + fQ=G/
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) Tv&-n
{ {1y-*@yU(
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; "gD)Uis
this.style.color=’buttontext’;this.style.cursor=’default’;"); a
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e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); :>.~"uWo{
} G2%%$7Jj
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8.关于日期格式 I4Ys,n
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日期格式设定 xrK%3nA4s"
DataFormatString="{0:yyyy-MM-dd}" &Oq&ikw
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我觉得应该在itembound事件中 U'nz3
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) ~5HI9A4^
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9.获取错误信息并到指定页面 uOqWMRsoi
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不要使用Response.Redirect,而应该使用Server.Transfer tIgKnKr^)
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// in global.asax T6|zT}cb
protected void Application_Error(Object sender, EventArgs e) { O7shY4 Sr
if (Server.GetLastError() is HttpUnhandledException) {@u;F2?
Server.Transfer("MyErrorPage.aspx"); _-*Lj;^V
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) 9tVA.:FOZ
} 9IKFrCO9,
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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 &Z_W*D
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10.清空Cookie J 3fcnI
Cookie.Expires=[DateTime]; 'Pudy\Ab
Response.Cookies("UserName").Expires = 0
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11.自定义异常处理 Z,Z34:-
//自定义异常处理类 )z9)oM\
using System; j5ZeYcQ-
using System.Diagnostics; Vc3tKuMsiX
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namespace MyAppException c,1Yxg]|
{ ? Ovl(4VG
/// <summary>
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/// 从系统异常类ApplicationException继承的应用程序异常处理类。 'w`:p{E
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 (z0S5#g
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/// </summary> o[Yxh%T
public class AppException:System.ApplicationException Da!A1|"
{ ~jb6
public AppException() s% "MaDz
{ /a%5!)NE%
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); K+D`U6&
} #N%xr'H
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public AppException(string message) ?9_<LE
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{
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LogEvent(message); xT I&X9P
} )eNR4nF
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public AppException(string message,Exception innerException) uYlC*z{
{ }u&.n
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LogEvent(message); ewqfs/
if (innerException != null) iK6L\'k
{ d_*'5Eia6
LogEvent(innerException.Message); N.C<Mo
} zR/d:P?
} 'H2TwSbIXI
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//日志记录类 bR@ e6.<i
using System; .Y!*6I
using System.Configuration; ^WP`;e
using System.Diagnostics; FFl[[(`%D
using System.IO; _|xO4{X
using System.Text; "P=OpFV
using System.Threading; RV5X0
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namespace MyEventLog A1:<-TF6^p
{ , gk49z9
/// <summary> 7_taqcj
/// 事件日志记录类,提供事件日志记录支持 !Ac <A.
/// <remarks> U(DK~#}
/// 定义了4个日志记录方法 (error, warning, info, trace) 8*3<Erv
/// </remarks> l [?o du4
/// </summary> ]:JoGGE a0
public class ApplicationLog PD12gUU?
{ ~AxA ,
/// <summary> HcA;'L?Dw
/// 将错误信息记录到Win2000/NT事件日志中
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/// <param name="message">需要记录的文本信息</param> ^SB?NRk
/// </summary> nnX,_5s
public static void WriteError(String message) Jz
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{ Q0'xn
WriteLog(TraceLevel.Error, message); Mxn>WCPo
} @.T
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/// <summary> z iR}
/// 将警告信息记录到Win2000/NT事件日志中 |BnjT*_9
/// <param name="message">需要记录的文本信息</param> " 4#V$V
/// </summary> 1HG~}E
public static void WriteWarning(String message) v!T%xUb0
{ >tnQuFKg]
WriteLog(TraceLevel.Warning, message); quHq?oXV,
} );V6YE
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/// <summary> W[[3'J TF
/// 将提示信息记录到Win2000/NT事件日志中 Z:W6@j-~
/// <param name="message">需要记录的文本信息</param> *{8Kb>D
/// </summary> g4( B=G\j
public static void WriteInfo(String message) L8N`<a5T
{ 6+(g4MW
WriteLog(TraceLevel.Info, message); @FKNB.>
} +M! f}=H
/// <summary> `me2Q
/// 将跟踪信息记录到Win2000/NT事件日志中 r k;k:<c
/// <param name="message">需要记录的文本信息</param> ^AK<]r<?L?
/// </summary> BB5(=n+
public static void WriteTrace(String message) .t''(0_kC
{ `;4P?!WG
WriteLog(TraceLevel.Verbose, message); 08{0i,Fs
} b;# 3X)
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/// <summary> [ ps5;
/// 格式化记录到事件日志的文本信息格式 cS/\&%7u
/// <param name="ex">需要格式化的异常对象</param> x2/\%!mt
/// <param name="catchInfo">异常信息标题字符串.</param> xal+buOiP
/// <retvalue> XRCiv
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> $^?"/;8P5
/// </retvalue> %KK6}d#
/// </summary> {A]"/AC
public static String FormatException(Exception ex, String catchInfo) bB@1tp0+
{ 6lOT5C eJ"
StringBuilder strBuilder = new StringBuilder(); `P<}MeJ\l
if (catchInfo != String.Empty) !`L%wS
{ 0Lmq?D
strBuilder.Append(catchInfo).Append("\r\n"); 9F)+p7VJq
} n#Xi Co_\
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); &{NN!X
return strBuilder.ToString(); g-"@%ps
} `z%f@/:fG
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/// <summary> St9W{
/// 实际事件日志写入方法 Y%y=
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> =#dW^?p
/// <param name="messageText">要记录的文本.</param> oBiJiPE=`
/// </summary> o<bZ. t
private static void WriteLog(TraceLevel level, String messageText) `"zXf -qeE
{ E}Q'Wz|k
try m(SGE,("w
{ p/L|;c
EventLogEntryType LogEntryType; ?U.+SQ
switch (level) mH2XwA|
{ Tt#4dm-
case TraceLevel.Error: OAO|HH
LogEntryType = EventLogEntryType.Error; FIhq>L.q4
break; .Nz2K[
case TraceLevel.Warning: fVx<f.xuW
LogEntryType = EventLogEntryType.Warning; U8qb2'a8
break; U;u@\E@2
case TraceLevel.Info: F8mS5oB|^
LogEntryType = EventLogEntryType.Information; p;cNmMm
break; /MYl:>e>
case TraceLevel.Verbose: @dei}!e
LogEntryType = EventLogEntryType.SuccessAudit; G(W/.*
break; z ^t6VF M
default: |`[0U
LogEntryType = EventLogEntryType.SuccessAudit; ,Bax0p
break; }A,9`
} ekC
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EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName ); _ K["qm{X_
//写入事件日志 xR}^~14Bz
eventLog.WriteEntry(messageText, LogEntryType); U Hh
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} =vJ:R[Ilw
catch {} //忽略任何异常 <