1. 打开新的窗口并传送参数: [r%WVf.#d
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传送参数: Fi.gf?d
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") 7(B|NYq
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接收参数: `HXP*Bp#
string a = Request.QueryString("id"); wb^Yg9
string b = Request.QueryString("id1");
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2.为按钮添加对话框 ~`M>&E@Y_/
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); N|pjGgI
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") y&T(^EA;
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3.删除表格选定记录 4Eh 2sI
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; 8%OS ,Z
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() 4/;
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4.删除表格记录警告 `k ~.>#
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) =/wAk0c^y
{ V XEA.Mko
switch(e.Item.ItemType) {B$cd?}
{ _[}r2,e
case ListItemType.Item : \,jrug<C$^
case ListItemType.AlternatingItem : v%c r
case ListItemType.EditItem: [9S\3&yoh
TableCell myTableCell; idiJ|2T"G
myTableCell = e.Item.Cells[14]; kb<Nuw
LinkButton myDeleteButton ; c$aTl9e
myDeleteButton = (LinkButton)myTableCell.Controls[0]; H'68K8i0
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); MI o5Y`T
break; 1;E[Ml
default: lN94 b3_W
break; yU"lW{H@
} @a,X{0
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} Am3^3>
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5.点击表格行链接另一页 !Irmc*;QE
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) AnVj
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{ pVe@HJy6G
//点击表格打开 pC,MiV$c"
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) Kl.xe&t@j
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); \zA$|)
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} cQDn_Sjhi
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双击表格连接到另一页 iyNyj44
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在itemDataBind事件中 `[\*1GpAo
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) b}'XDw
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string OrderItemID =e.item.cells[1].Text; CU)'x
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... `?VtB!p@x=
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); c]jK
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} )qs>Z?7
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双击表格打开新一页 *=i|E7Irg
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) zt{?Ntb
{ I12WOL q
string OrderItemID =e.item.cells[1].Text; !J
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... ]0P-?O:
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); 01Bs7@"+
} Rb=T'x'
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★特别注意:【?id=】 处不能为 【?id =】 ? _36uJo}
6.表格超连接列传递参数 A,-UW+:
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ SPKGbp&
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> {IEc{y7?gO
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7.表格点击改变颜色 i6w LM-.)
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) <)c/PI[j
{ FyYD7E
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; MB|+F
this.style.color=’buttontext’;this.style.cursor=’default’;"); TS+itU62
} xZAc~~9tD
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写在DataGrid的_ItemDataBound里 =N,9#o6^
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) xe}d&
{ Arh0m. w
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; E/x``,k
this.style.color=’buttontext’;this.style.cursor=’default’;"); ^t4T8ejn
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); HJ[@;F|aU
} dr3#?%
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8.关于日期格式 fR<_ 4L
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日期格式设定 ("UcjB^62
DataFormatString="{0:yyyy-MM-dd}" Wr"-~PP
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我觉得应该在itembound事件中 (xw) pR
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) !mhV$2&r
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9.获取错误信息并到指定页面 fT1/@
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不要使用Response.Redirect,而应该使用Server.Transfer +[C(hhk("
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e.g rvjPm5[t
// in global.asax ^eke,,~
protected void Application_Error(Object sender, EventArgs e) { 0Q>f,}W%>
if (Server.GetLastError() is HttpUnhandledException) ximW!y7
Server.Transfer("MyErrorPage.aspx"); 0NlC|5ma)
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) F|\^O[#R
} Gkci_A*
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 =`fJ
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10.清空Cookie }gw
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Cookie.Expires=[DateTime]; ,r\
Response.Cookies("UserName").Expires = 0 ?v8.3EE1\o
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11.自定义异常处理 le1
//自定义异常处理类 _7df(+.{<A
using System; i>Wsc?
using System.Diagnostics; Zd$a}~4~
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namespace MyAppException )/VhkSXbG!
{ :^~I@)"ov
/// <summary> ph*9,\c8
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 G&qO{" Js
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 KLVkPix;$
/// </summary> wyF'B
public class AppException:System.ApplicationException $80TRB#
{ ^Pqj*k+F
public AppException() GZY8%.1{"a
{ WE;QEA /
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); >2Z0XEe
} J^t-p U
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public AppException(string message) mO];+=3v8
{ {C+blzh6
LogEvent(message); SM%N]/@U
} >TZ 'V,
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public AppException(string message,Exception innerException) xz!b@5DR'%
{ ZBw]H'sT
LogEvent(message); -!_f-Nny
if (innerException != null) ) -yJKmV
{ xi5G?r
LogEvent(innerException.Message); -*`7Q'}%
} SP}!v5.
} }_,\yC9F
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//日志记录类 j1[Ng #.
using System; eBUexxBY
using System.Configuration; O9%`G
using System.Diagnostics; ky2n%<0]
using System.IO; 2HA-q),6
using System.Text; =rL%P~0wq
using System.Threading; q<Tx'Y a
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namespace MyEventLog j!1
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{ @4)NxdOE
/// <summary> 18*M
/// 事件日志记录类,提供事件日志记录支持 %5g(|Y]
/// <remarks> Sj=x.Tr\
/// 定义了4个日志记录方法 (error, warning, info, trace) oRDqN]
/// </remarks> &TgS$c5k
/// </summary> FX1[ 2\
public class ApplicationLog bC a%$
{ I
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/// <summary> ]1Wh3C
/// 将错误信息记录到Win2000/NT事件日志中 azK7kM~
/// <param name="message">需要记录的文本信息</param> 1>~bzXY#
/// </summary> +8xC%eE
public static void WriteError(String message) pL [JGn
{ e4h9rF{Cxn
WriteLog(TraceLevel.Error, message); e]9Z]a2
} 2}\/_Y6
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/// <summary> 4D'AAr57
/// 将警告信息记录到Win2000/NT事件日志中 p<Oz"6_/~
/// <param name="message">需要记录的文本信息</param> 7.mYzl-F(
/// </summary> "26=@Q^Y
public static void WriteWarning(String message) s(.H"_a
{ m%ec=%L9
WriteLog(TraceLevel.Warning, message); l('@~-Zy
} o;kxu(>yL'
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/// <summary> C0K0c6A(4
/// 将提示信息记录到Win2000/NT事件日志中 `1`Qu!
/// <param name="message">需要记录的文本信息</param> aPToP.e
/// </summary> 7g7[a/Bts
public static void WriteInfo(String message) 7Gwo:s L
{ %&iodo,EP'
WriteLog(TraceLevel.Info, message); zG*
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} {*PbD;/f
/// <summary> 0h-'TJg*sk
/// 将跟踪信息记录到Win2000/NT事件日志中 '< .gKo
/// <param name="message">需要记录的文本信息</param> I/B *iW^
/// </summary> yM2}JsC
public static void WriteTrace(String message) 4JO[yN
{ ,f@\Fs~n
WriteLog(TraceLevel.Verbose, message); BjyV&1tRV!
} B&+)s5hh
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/// <summary> -UoTBvObAm
/// 格式化记录到事件日志的文本信息格式 .du2;`[$r
/// <param name="ex">需要格式化的异常对象</param> jO0"`|(]s
/// <param name="catchInfo">异常信息标题字符串.</param> L$z(&%Nx
/// <retvalue> l`<1Y|
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> ucYweXsO3
/// </retvalue> .<zN/&MXf
/// </summary> WYN0,rv1:+
public static String FormatException(Exception ex, String catchInfo) XW.k%H4@
{ 8n,/hY>w
StringBuilder strBuilder = new StringBuilder(); Bra}HjHO
if (catchInfo != String.Empty) v[<x>?iD_
{ %M,^)lRP
strBuilder.Append(catchInfo).Append("\r\n"); ` 7P%muY.
} P84=.*>
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); o1Krp '*
return strBuilder.ToString(); T'ei>]y]
} 7J;\&q'
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/// <summary> YU`}T<;bg
/// 实际事件日志写入方法 {.])'~[U
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> f hjlt#
/// <param name="messageText">要记录的文本.</param> 2YQ;Kh"S
/// </summary> d=0{vsrB
private static void WriteLog(TraceLevel level, String messageText) &`IJ55Z-)
{ $|tk?Sps
try ;efF]")
{ . {vMn0c
EventLogEntryType LogEntryType; H]}mg='kI
switch (level) PA*1]i#2M=
{ -(},%!-_
case TraceLevel.Error: y>X(GF^
LogEntryType = EventLogEntryType.Error; P(.XB`
break; {%\@Z-9%q,
case TraceLevel.Warning: +NJIi@
LogEntryType = EventLogEntryType.Warning; dZY|6
break; mT/^F{c
case TraceLevel.Info: 8!{
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LogEntryType = EventLogEntryType.Information; :PK2!
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break; vq+4so
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case TraceLevel.Verbose: Mh2Zj
LogEntryType = EventLogEntryType.SuccessAudit; o:B?hr'\
break; "g*`G<