1. 打开新的窗口并传送参数: fQP,=
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传送参数: h mds(lv7
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") SYeE) mI
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接收参数: <&6u]uKrW
string a = Request.QueryString("id"); bb}?h]a
string b = Request.QueryString("id1"); IqNpLh|[
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2.为按钮添加对话框 5y040
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Button1.Attributes.Add("onclick","return confirm(’确认?’)"); JdO)YlM-
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") e$32
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3.删除表格选定记录 ODek%0=
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; b[yE~EQxr
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() N2[jO+6
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4.删除表格记录警告 dHq#
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) McP~}"!^
{ _0.pvQ
switch(e.Item.ItemType) >(OYK}ZN
{ HS7_MGU
case ListItemType.Item : ^&-a/'D$,
case ListItemType.AlternatingItem : (_U^
case ListItemType.EditItem: dqxd3,Z
TableCell myTableCell; [g`, AmR\!
myTableCell = e.Item.Cells[14]; jWSb5#Pw
LinkButton myDeleteButton ; |Q5+l.%
myDeleteButton = (LinkButton)myTableCell.Controls[0]; K\aAM;)-
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); j %H`0
break; <XvYa{t]{
default: JtFiFaCxY
break; ,z[(k"
} t$5jx
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} Za0gs @$
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5.点击表格行链接另一页 VKNp,Lf
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) QLn+R(r
{ a*s\Em7f
//点击表格打开 kN.B/itvA
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) |(RZ/d<X\a
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); k2.G%]j
} V_f`0\[x
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双击表格连接到另一页 '#<> "|
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在itemDataBind事件中 R*\~k%Z
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) :~D];m
{ 'in@9XO
string OrderItemID =e.item.cells[1].Text; kW+G1|
... ).Gd1pE
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); O_AGMW/2+
} <sc\EK
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双击表格打开新一页 {xToz]YA
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) Ye@t_,)x
{ $_FZn'Db6
string OrderItemID =e.item.cells[1].Text; rVcBl4&1*g
... OX^3Q:Z=
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); s/h7G}Mu
} nE7JLtbH
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★特别注意:【?id=】 处不能为 【?id =】 Y"*:&E2)r
6.表格超连接列传递参数 ^K;hn,R=
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ Pin/qp&Fa8
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> "{ FoA3g|
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7.表格点击改变颜色 B9^R8|V
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) @)b^^Fp
{ ;(S|cm'>}
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; r.<JDdj
this.style.color=’buttontext’;this.style.cursor=’default’;"); Uouq>N
} wS%zWdsz
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写在DataGrid的_ItemDataBound里 5(#-)rlGj
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) VMF|iB
{ t%$@fjz
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; 1a8$f5
this.style.color=’buttontext’;this.style.cursor=’default’;"); 5r7h=[N
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); $H;+}VQ
} KoF
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8.关于日期格式 ?ZX!7^7
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日期格式设定 c3W
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DataFormatString="{0:yyyy-MM-dd}" CC#C
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我觉得应该在itembound事件中 H#Q;"r 3
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) >{t+4 p4k.
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9.获取错误信息并到指定页面 -_|]N/v\
y\z > /q
不要使用Response.Redirect,而应该使用Server.Transfer 6#|qg*OS
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// in global.asax ls @5^g
protected void Application_Error(Object sender, EventArgs e) { Ay%:@j(E
if (Server.GetLastError() is HttpUnhandledException) wv^b_DR
Server.Transfer("MyErrorPage.aspx"); (Oq Hfv
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) 1Is%]6
} GA@ Ue9
}#
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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 S_5?U2%D
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10.清空Cookie 2GUupnQkD
Cookie.Expires=[DateTime]; aTClw<6}
Response.Cookies("UserName").Expires = 0 WHk/$7_"i
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11.自定义异常处理 gn.Ol/6D
//自定义异常处理类 TvM24Orct
using System; ! TDD^
using System.Diagnostics; KZ
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namespace MyAppException rKp1%S1
{ &CUC{t$VHX
/// <summary> 0'@u!m?
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 >?V<$>12
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 )&z4_l8`=
/// </summary> ]QS](BbD:
public class AppException:System.ApplicationException L#ZLawG
{ (3O1?n[n
public AppException() KII ym9%
{ 5~[N/Gl
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); ~6sE an3p
} 7E(%9W6P
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public AppException(string message) Qi:j)uDW
{ ~p^7X2% !
LogEvent(message); Qc3?}os2
} )E~_rDTl
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public AppException(string message,Exception innerException) : I)G v
{ !.X_/$c
LogEvent(message); @'gl~J7
if (innerException != null) :t5uDKZ_j)
{ 7}o6_i
LogEvent(innerException.Message); :l`i4kx
} I.9o`Q[8&
} h!Y?SO.b
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//日志记录类 {XHk6w
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using System; |*E"G5WZM
using System.Configuration; O#G|
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using System.Diagnostics; lR}%)3_k
using System.IO; h?A'H RyL~
using System.Text; T3rn+BxF 7
using System.Threading; 6l[G1KkV
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namespace MyEventLog xE1rxPuq)d
{ k(v"B@0
/// <summary> uS-3\$
/// 事件日志记录类,提供事件日志记录支持 6F-JK1i
/// <remarks> J[r^T&o
/// 定义了4个日志记录方法 (error, warning, info, trace) <A{y($
/// </remarks> pns+y
/// </summary> 1MV@5j
public class ApplicationLog !;+U_j'Pg
{ (H1lqlVWV#
/// <summary> sX5sL
/// 将错误信息记录到Win2000/NT事件日志中 IXJ6PpQLv
/// <param name="message">需要记录的文本信息</param> Aqu]9M~
/// </summary> R+F,H`
public static void WriteError(String message) >-zkB)5<,#
{ M5 `m.n<
WriteLog(TraceLevel.Error, message); ^]7,1dH}M
} x ;mJvfX
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/// <summary> ~v\hIm3=m
/// 将警告信息记录到Win2000/NT事件日志中 jE*Ff&]%m
/// <param name="message">需要记录的文本信息</param> (Com,
/// </summary> 1 KB7yG-#6
public static void WriteWarning(String message) Z8fJ{uOIL
{ OM{Dq|
WriteLog(TraceLevel.Warning, message); O4N-_Kfp/
} UM`nq;>
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/// <summary> obYn&\6
/// 将提示信息记录到Win2000/NT事件日志中
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/// <param name="message">需要记录的文本信息</param> u?Z
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/// </summary> %ZuLl(
public static void WriteInfo(String message) {NV:|M !
{ 9#fp_G;=
WriteLog(TraceLevel.Info, message); K9*IA@xL
} 9M]^l,
/// <summary> oR#my ^
/// 将跟踪信息记录到Win2000/NT事件日志中 0+|>-b/%
/// <param name="message">需要记录的文本信息</param> {=6)SBjf
/// </summary> B5
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public static void WriteTrace(String message) C/y(E|zC$
{ *:[b'D!A
WriteLog(TraceLevel.Verbose, message); cafsMgrA
} =+4 _j
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/// <summary> Fn> <q:
/// 格式化记录到事件日志的文本信息格式 {!y<<u1
/// <param name="ex">需要格式化的异常对象</param> m\ ?\6Wk
/// <param name="catchInfo">异常信息标题字符串.</param> fzyzuS$
/// <retvalue> !h*B (,
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> 3u4:l
/// </retvalue> V pH|R
/// </summary> *k4+ioFnKE
public static String FormatException(Exception ex, String catchInfo) EZ `}*Yrd
{ V $>"f(
StringBuilder strBuilder = new StringBuilder(); ]Ly8s#<g]N
if (catchInfo != String.Empty) D Kq-C%
{ ? osfL
strBuilder.Append(catchInfo).Append("\r\n"); QheDF7'z
} A'`P2Am
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); a-:pJE.'p
return strBuilder.ToString(); 716hpj#*
} z
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/// <summary> POY=zUQ'/
/// 实际事件日志写入方法 BJ2Q 2WW
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> oAaf)?8
/// <param name="messageText">要记录的文本.</param> ^9s"FdB]24
/// </summary> ~Zu}M>-^c,
private static void WriteLog(TraceLevel level, String messageText) Z>&K&ttJ
{ 97(n\Wt2
try 3r`<(%\
{ {>A
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EventLogEntryType LogEntryType; k5C>_(
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switch (level) {<r`5
{ G_0)oC@Jl:
case TraceLevel.Error: @~hz_Nm@8
LogEntryType = EventLogEntryType.Error; Q84t9b
break; %^T!@uZr
case TraceLevel.Warning: 7G2vYKC'
LogEntryType = EventLogEntryType.Warning; 38"cbHE3
break; egbb1+tY
case TraceLevel.Info: OFQ{9
LogEntryType = EventLogEntryType.Information; \wFhTJY
break; 'cYQ?;
case TraceLevel.Verbose: ze
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LogEntryType = EventLogEntryType.SuccessAudit; u,\xok"
break; (c<