1. 打开新的窗口并传送参数: Y SD|#0
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传送参数: g~Agy
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") ,)7y?*D}
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接收参数: Vo:Gp
string a = Request.QueryString("id"); kC4}@{4i
string b = Request.QueryString("id1"); m #}%l3$
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2.为按钮添加对话框 s2Hx?~
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); 6F4OISy%3
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") VLs%;|`5D
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3.删除表格选定记录 oV Hh
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; B_#U|10et
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() c6f[^Q%#j
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4.删除表格记录警告 ju {\7X5
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) }KCb5_MDF
{ 3lD1G~
switch(e.Item.ItemType) |\_d^U&`
{ :ZP`Y%dt'
case ListItemType.Item : ^TCgSi7k`L
case ListItemType.AlternatingItem : %_%/ym
case ListItemType.EditItem: UCF'%R
TableCell myTableCell; z]O,Vqpl?
myTableCell = e.Item.Cells[14]; B$@fE}
LinkButton myDeleteButton ; -P7JaH/Q
myDeleteButton = (LinkButton)myTableCell.Controls[0]; |$aTJ9 Iq:
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); Ec;{N
break; ;^Hg\a
default: &$+nuUA
break; dE0p>4F
} WyDL ah^/
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} i%eq!q
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5.点击表格行链接另一页 huw|J<$
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) wc.T;(
{ H|i39XV
//点击表格打开 {X'D07 q
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 3ZEV*=+T5
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); I!OV+utF
} B>"O~ gZ{#
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双击表格连接到另一页 :M'V**A(
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在itemDataBind事件中 I? o)X!
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) c[QXc9
{ 8#&axg?a
string OrderItemID =e.item.cells[1].Text; #\X="'/
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e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); -p\uW0XA
} N!
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双击表格打开新一页 vPbmQh ex
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) FG[YH5
{ bQFMg41*w7
string OrderItemID =e.item.cells[1].Text; mzkv/
... mcB8xE
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); /9..hEq^
} NiCB.a
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★特别注意:【?id=】 处不能为 【?id =】 7-u['nFJ
6.表格超连接列传递参数 quEP"
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ G^Q8B^Lg
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> d} `Z| ex
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7.表格点击改变颜色 a.O pxd
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) p^uX{!
{ !uwZ%Uxz
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; jR[3{ Reo
this.style.color=’buttontext’;this.style.cursor=’default’;");
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} 4I97<zmrT
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写在DataGrid的_ItemDataBound里 F}Kkhs
{
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) byW9]('e
{ u6#=<FD/}
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; 1!4-M$-
this.style.color=’buttontext’;this.style.cursor=’default’;"); ?=\&O=_ln
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); ~&
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} 71GyMtX
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8.关于日期格式 Z:2a_Atm
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日期格式设定 wVms"U.
DataFormatString="{0:yyyy-MM-dd}" ^UEExjf
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我觉得应该在itembound事件中 v==b.
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e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) f1_b``M
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9.获取错误信息并到指定页面 {r,MRZaa
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不要使用Response.Redirect,而应该使用Server.Transfer [m9Iz!E
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// in global.asax Z&VH7gi
protected void Application_Error(Object sender, EventArgs e) { th?w&;L
if (Server.GetLastError() is HttpUnhandledException) {#,eD
Server.Transfer("MyErrorPage.aspx");
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) 7|/Ct;oO:
} f=L&>X
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 ~5Cid)Q}@o
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10.清空Cookie &Oih#I
Cookie.Expires=[DateTime]; jrKRXS
Response.Cookies("UserName").Expires = 0 UbnX%2TW
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11.自定义异常处理 ?2zbZ
//自定义异常处理类 v,VCbmc
using System; +6$ |No
using System.Diagnostics; ls928
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namespace MyAppException 3m#/1=@o
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/// <summary> Duu)8ru
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 eq!>~: #
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 >$RQ
/// </summary> 5S
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public class AppException:System.ApplicationException m);0sb
{ iW
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public AppException() +'lj\_n
{ YXi'^GU@
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); xRI7_8Jpyn
} %tOGs80_{
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public AppException(string message) WP5QA8`3
{ 0eP ]
LogEvent(message); 3hi0
} j+9;Cp]N V
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public AppException(string message,Exception innerException) JdK'~-L
{ _-M27^\vV
LogEvent(message); S#^2k!(|G
if (innerException != null) 5OR2\h!XZt
{ &&daQg4Ha
LogEvent(innerException.Message); nhu;e}[>
} c&mLK1A6
} vR)f'+_Nz
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//日志记录类 w!j 'k|b>
using System; QH d^?H*
using System.Configuration; GI[TD?s
using System.Diagnostics; 2YbI."ob
using System.IO; D"z3SLFW{
using System.Text; "?X,);5S
using System.Threading; A5\00O~
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namespace MyEventLog
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{ %tvP\(]h
/// <summary> GGQ%/i]:
/// 事件日志记录类,提供事件日志记录支持 %6%~`((4
/// <remarks> ~Oc:b>~
/// 定义了4个日志记录方法 (error, warning, info, trace) b4R;#rm
/// </remarks> 3OlXi9>3
/// </summary> y v58~w*"
public class ApplicationLog mM $|cge"
{ ^ 5D%)@~
/// <summary> @7? O#WmL
/// 将错误信息记录到Win2000/NT事件日志中 Xt.ca,`U
/// <param name="message">需要记录的文本信息</param> #hZ`r5GvTj
/// </summary> E-`3}"{
public static void WriteError(String message) p=jpk@RX
{ #lY_XV.
WriteLog(TraceLevel.Error, message); li37*
} [pRRBMho
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/// <summary> Ct<]('Hm(
/// 将警告信息记录到Win2000/NT事件日志中 KL<,avC/
/// <param name="message">需要记录的文本信息</param>
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/// </summary> 0z
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public static void WriteWarning(String message) l"rX'g?
{ ?]AF?
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WriteLog(TraceLevel.Warning, message); gr^TL1(
} JE*d-
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/// <summary> f|'0FI
/// 将提示信息记录到Win2000/NT事件日志中 i<b-$9
/// <param name="message">需要记录的文本信息</param> Mgp+#w+,
/// </summary> T\wfYuc&X
public static void WriteInfo(String message) o}p^q:T*
{ rHa*WA;TE
WriteLog(TraceLevel.Info, message); B6 yTD7
} 11((b
/// <summary> qN"Q3mU^h*
/// 将跟踪信息记录到Win2000/NT事件日志中 }WV}in0
/// <param name="message">需要记录的文本信息</param> t+ vz=`
/// </summary> >\o._?xSA
public static void WriteTrace(String message) 0 L$[w
{ kj>!&W57
WriteLog(TraceLevel.Verbose, message); ;I/ A8<C
} I'E7mb<2
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/// <summary> KDS}"/
/// 格式化记录到事件日志的文本信息格式 j>`-BN_
/// <param name="ex">需要格式化的异常对象</param> Q@
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/// <param name="catchInfo">异常信息标题字符串.</param> X5tx(}j
/// <retvalue> |[Rlg`TQ;*
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> ~JS BZ@
/// </retvalue> h5Ee*De
/// </summary> 6Qk[TL)t
public static String FormatException(Exception ex, String catchInfo) l86gs6>
{ 6E-AfY'<
StringBuilder strBuilder = new StringBuilder(); -.OZ
if (catchInfo != String.Empty) 3c=>;g
{ we/sv9v}n
strBuilder.Append(catchInfo).Append("\r\n"); Ii&\LJ
} RG.wu6Av
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); ]Zz.n5c
return strBuilder.ToString(); ;Rljx3!N
} ntntB{t
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/// <summary> o/6VOX
/// 实际事件日志写入方法 ri%j*Kn
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> k2O3{xIjc
/// <param name="messageText">要记录的文本.</param> #,9s\T
/// </summary> \c}pzBFd
private static void WriteLog(TraceLevel level, String messageText) ifcp!l+8
{ GO)5R,
try $Jo4n>/
{ U,K=(I7OBX
EventLogEntryType LogEntryType; wJZuJ(
switch (level) O.DO,]Uh
{ {e5DQ 21.
case TraceLevel.Error: v`@NwH<r
LogEntryType = EventLogEntryType.Error; /Nkxb&
break; P~M[i9 V
case TraceLevel.Warning: 1,(WS
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LogEntryType = EventLogEntryType.Warning; +#Wwah$
break; v5\5:b{/
case TraceLevel.Info: E/zclD5S
LogEntryType = EventLogEntryType.Information; 6f:u AFwG
break; (6Ciqf8
case TraceLevel.Verbose: I^Dm 3yz
LogEntryType = EventLogEntryType.SuccessAudit; N8iLI`
break; ?>Ngsp>-P
default: 2?{'(iay
LogEntryType = EventLogEntryType.SuccessAudit; 9:*[Q"v
break; 6>]w1
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} ;0U*N &
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EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName ); iB|htH'T
//写入事件日志 S Rk%BJ? ~
eventLog.WriteEntry(messageText, LogEntryType); Ci4;e
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} @^Rl{p
catch {} //忽略任何异常 15S&,$1&
} y 2)W"PuG
} //class ApplicationLog 6e8 gFQ"w2
} f92z/5%V
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12.Panel 横向滚动,纵向自动扩展 = N;5T
<asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel> R nwFxFIQ
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13.回车转换成Tab n@L@pgo%~
<script language="javascript" for="document" event="onkeydown"> (:I]v_qEYS
if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’); snWe&