1. 打开新的窗口并传送参数: Y}*Ctdrl
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传送参数: Lp~c
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") Y&~5k;>'_
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接收参数: #`2GAM];7
string a = Request.QueryString("id"); WodF -bE
string b = Request.QueryString("id1"); l,ZzB,"
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2.为按钮添加对话框 `z5v}T
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); #=>kw^5
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") vs*_;vx
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3.删除表格选定记录 F&-5&'6G+
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; gDgP;id
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() CA'hvXb.
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4.删除表格记录警告 `7+tPbjs
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) CAcOWwDm
{ sz){uOI
switch(e.Item.ItemType) q|m#IVc
{ )GQD*b
case ListItemType.Item : ntd
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case ListItemType.AlternatingItem : Nj"_sA
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case ListItemType.EditItem: FC|y'j 0
TableCell myTableCell; !NQf< ch
myTableCell = e.Item.Cells[14]; GIJV;7~
LinkButton myDeleteButton ; C%qtCk_cN
myDeleteButton = (LinkButton)myTableCell.Controls[0]; 0`zm>fh}
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); h?M'7Lti
break; bt.K<Y0
default: !!\4'Q[
break; B]CS2LEqh
} o%QhV6(F
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} GN8`xR{J*
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5.点击表格行链接另一页 uugzIV)
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) M}{n6T6B
{ y$"~^8"z
//点击表格打开 C: TuC5Sr
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) l93Q"*_
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); .XZ 71E
} 9e|{z9z[l
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双击表格连接到另一页 ~j\;e
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在itemDataBind事件中 4
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if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) c>%z)uY>/
{ NiU tH
string OrderItemID =e.item.cells[1].Text; ]ys4
... RJ7/I/yD|
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); 'ocwXyP,
} ,L8I7O}A;
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双击表格打开新一页 FeincZ!M
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) >(YPkmH
{ g@N=N
string OrderItemID =e.item.cells[1].Text; <'+R%6
... fM
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e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); co(fGp#!
} r[i~4N=
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★特别注意:【?id=】 处不能为 【?id =】 8#d99dOe
6.表格超连接列传递参数 rA>R`
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ n[S4180 9<
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> ^y;OHo
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7.表格点击改变颜色 P"[l86:
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) zrWq!F*-V\
{ Uz m[e%/`
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; )x5$io
this.style.color=’buttontext’;this.style.cursor=’default’;"); lFzQG:k@
} 3IRRFIiO
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写在DataGrid的_ItemDataBound里 FK/ro91L
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) 9x
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{ 1Tts3O.
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; U_=wL
this.style.color=’buttontext’;this.style.cursor=’default’;"); n=Z[w5
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); GurE7J^=
} 5i
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8.关于日期格式 _|Kv~\G!
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日期格式设定 JJZXSBAOU
DataFormatString="{0:yyyy-MM-dd}" ;zxlwdfcr'
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我觉得应该在itembound事件中 =6 q*w^ET
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) >8{`q!=|~
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9.获取错误信息并到指定页面 `'tw5}
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不要使用Response.Redirect,而应该使用Server.Transfer bQnwi?2
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e.g {D_4~heF
// in global.asax * y"GgI
protected void Application_Error(Object sender, EventArgs e) { ~QQ23k&
if (Server.GetLastError() is HttpUnhandledException) 1rzq$, O
Server.Transfer("MyErrorPage.aspx"); \t~u
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) m@
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} U*Q5ff7M6"
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 XC8z|A-@
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10.清空Cookie
} C2i#;b
Cookie.Expires=[DateTime]; H)}1xQ{3F
Response.Cookies("UserName").Expires = 0 _bV=G#qKK
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11.自定义异常处理 F|3FvxA
//自定义异常处理类 z$im4'\c
using System; u=UM^C!
using System.Diagnostics; *fy`JC
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namespace MyAppException E0?\DvA
{ do?n /<@o
/// <summary> R?e7#HsJ
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 MBTt'6M
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 Exo`Z`m`U
/// </summary> HjY-b*B
public class AppException:System.ApplicationException 7g<`wLAH
{ DEeL48{R
public AppException() xo"4mbTV
{ 0b QiUcg/
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); QCY{D@7T
} So]FDd
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public AppException(string message) D+U/ ]sW
{ y&I|m
LogEvent(message); #$z -]i
} n|`):sP
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public AppException(string message,Exception innerException) ~v,KI["o
{ Z
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LogEvent(message); 8`*9jr
if (innerException != null) %a6]gsiv2<
{ 9P>S[=
LogEvent(innerException.Message); OL9C#er
} =$z$VbBv
} s&_O2(l
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//日志记录类 EqDYQ
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using System; ~ M>zO#U6
using System.Configuration; qQRYHo>/e
using System.Diagnostics; [/,6O
using System.IO; Rw^YTv
using System.Text; hADb]O
using System.Threading; w`!foPE
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namespace MyEventLog nR'EuI~(}
{ nv[Sb%/
/// <summary> p$G3r0@
/// 事件日志记录类,提供事件日志记录支持 s3RyLT
/// <remarks> '\mZ7.Jj
/// 定义了4个日志记录方法 (error, warning, info, trace) 9}Ave:X^
/// </remarks> {3uSg)
/// </summary> "RX5] eJc\
public class ApplicationLog iOXP\:mPo
{ $ u.T1v
/// <summary> |g^W @.P
/// 将错误信息记录到Win2000/NT事件日志中 s!!t
/// <param name="message">需要记录的文本信息</param> eii7pbc
/// </summary> m%(JRh
public static void WriteError(String message) PC7.+;1
{ )Ua2x@j'C@
WriteLog(TraceLevel.Error, message); z4+6k-#):
} 9wJmX<Rm
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/// <summary> OQ*. ho
/// 将警告信息记录到Win2000/NT事件日志中 %~VIxY|d
/// <param name="message">需要记录的文本信息</param> *TI6Z$b|6
/// </summary> toZI.cSg4
public static void WriteWarning(String message) n#'',4f
{ F+9`G[
WriteLog(TraceLevel.Warning, message); [bVP2j
} M!DoR6
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/// <summary> !VTS
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/// 将提示信息记录到Win2000/NT事件日志中 s;f u
/// <param name="message">需要记录的文本信息</param> 5j01Mx
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/// </summary> |MrH@v7S
public static void WriteInfo(String message) Ntrn("!
{ LZ]pyoi
WriteLog(TraceLevel.Info, message); hQxe0Pdt
} z ate%y
/// <summary> zO]dQ$r\Z
/// 将跟踪信息记录到Win2000/NT事件日志中 x=+I8Q4:
/// <param name="message">需要记录的文本信息</param> K'/x9.'%
/// </summary> F5q1VEe
public static void WriteTrace(String message) d>-EtWd
{ z2zp c^i
WriteLog(TraceLevel.Verbose, message); `7n,(
} u"|nu!p`
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/// <summary> M8Lj*JN
/// 格式化记录到事件日志的文本信息格式 r+Cha%&D
/// <param name="ex">需要格式化的异常对象</param> CfnCi_=[ `
/// <param name="catchInfo">异常信息标题字符串.</param> ne*aC_)bT
/// <retvalue> O5%F-}(:
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> PS]XLz
/// </retvalue> X0=-{<W
/// </summary> 3yX^R^`
public static String FormatException(Exception ex, String catchInfo) <Y6>L};
{ \Rt
StringBuilder strBuilder = new StringBuilder(); 7NqV*
if (catchInfo != String.Empty) tqf-,BLh
{ =#fvdj
strBuilder.Append(catchInfo).Append("\r\n"); tR/
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} TI&J>/z;$
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); e%>E| 9*u
return strBuilder.ToString(); .lS6KBf@
} `<Nc
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/// <summary> 3Ab$
/// 实际事件日志写入方法 e]fC!>w(\
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> 1'B?f# s
/// <param name="messageText">要记录的文本.</param> 4"=pcHNV
/// </summary> I2Q?7p
private static void WriteLog(TraceLevel level, String messageText) Q{kuB+s
{ Y[,C1,
try Vi-@z;k
{ [0@i,7{ZqE
EventLogEntryType LogEntryType; KJSy7F
switch (level) qm_E/B
{ 9V!K._Cb
case TraceLevel.Error: ,%<77LE
LogEntryType = EventLogEntryType.Error; G;+0V0K
break; vM8]fSc
case TraceLevel.Warning: ?~8V;Qn
LogEntryType = EventLogEntryType.Warning; ``D-pnKK
break; Ok\UIi~
case TraceLevel.Info: wEyh;ID3#
LogEntryType = EventLogEntryType.Information; Pr'py
break; KDk^)zv%!
case TraceLevel.Verbose: 9m>_qWaA
LogEntryType = EventLogEntryType.SuccessAudit; C^'}{K
break; 3]A'C&
default: KxI(#}5o&
LogEntryType = EventLogEntryType.SuccessAudit; >ZWm0nTr
break; Fx 2&ji6u
} nMqU6X>P!
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EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName ); +q!6zGs.
//写入事件日志 {fs(+
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eventLog.WriteEntry(messageText, LogEntryType); jkd8M;Jw
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} IAQ=d4V&
catch {} //忽略任何异常 iFnM6O$(
} R8_qZ;t:z
} //class ApplicationLog 4l:+>U@KU
} A2 rRYzN;
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12.Panel 横向滚动,纵向自动扩展 b`'
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<asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel> gxiJ`.D=
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13.回车转换成Tab o3yZC z
<script language="javascript" for="document" event="onkeydown"> S<44{
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if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’); pc #^{-
event.keyCode=9; r+n&Pp+9
</script> $%<gp@Gz
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onkeydown="if(event.keyCode==13) event.keyCode=9" p<