1. 打开新的窗口并传送参数: V[>MKB(
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传送参数: yP\KIm!
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") &-#!]T-P:E
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接收参数: >
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string a = Request.QueryString("id"); kDuN3
string b = Request.QueryString("id1"); il=y m
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2.为按钮添加对话框 |]`\ak
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); oGpyuB@A/
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") wJA`e)>
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3.删除表格选定记录 -E1b5i;f
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; -Y'Qa/:7
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() `9SRiy
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4.删除表格记录警告 !%n3_tZC
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) |<&9_Aq_
{ [>xwwm
switch(e.Item.ItemType) w4Nm4To
{ [ h7nOUL!
case ListItemType.Item : |- 39ZZOX
case ListItemType.AlternatingItem : qX[a\HQa
case ListItemType.EditItem: 4[t1"s~Wg
TableCell myTableCell; COJny/FT|
myTableCell = e.Item.Cells[14]; f]H[uzsV
LinkButton myDeleteButton ; iTi]D2jC
myDeleteButton = (LinkButton)myTableCell.Controls[0]; `Y`Ujr\6
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); gV]]?X&
break; 1t{h)fwi
default: e_6VPVa
break; >h>X/a(=~
} !kZ9Ox9^
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} 4R-Y9:^t
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5.点击表格行链接另一页 SBo>\<@
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) -d?9Acd
{ T-pes1Wu
//点击表格打开 v5U\E`)s
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 5tI4m#y2
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); B:dk>$>uQ
} ! 9B| `
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双击表格连接到另一页 9dl\`zlA*
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在itemDataBind事件中 v[VUX69
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) 7)sEW#d!
{ K:&FWl.
string OrderItemID =e.item.cells[1].Text; .ky((
... z+5l:f
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); t?H.M
} kBYZNjSz
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双击表格打开新一页 '3B`4W,
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) F/z$jj)
{ c RBdIDIc
string OrderItemID =e.item.cells[1].Text; Onoi ^MDy
... NQzpgf|h
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); v2R41*z,
} %KL"f
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★特别注意:【?id=】 处不能为 【?id =】 `pS<v.L3
6.表格超连接列传递参数 6@kKr
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ y\ L$8BSL
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> Nx>WOb98
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7.表格点击改变颜色 4/;
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if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) \ZiZX$
{ `C 'WSr
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; 5&]|p'"W\
this.style.color=’buttontext’;this.style.cursor=’default’;"); Oo{+W5[
} }Th":sin},
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写在DataGrid的_ItemDataBound里 2Eg*Yb 1
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) ??tyz4$;
{ w5,p9f}.
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; 3In`
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this.style.color=’buttontext’;this.style.cursor=’default’;"); Ek\fx*Lz
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); c]:sk[u
} F4+mkB:w*7
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8.关于日期格式 .`4N#EjP
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日期格式设定 -'&4No
DataFormatString="{0:yyyy-MM-dd}" Ezw(J[).C
x 9}D2Ui
我觉得应该在itembound事件中 H'68K8i0
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) udxLHs
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9.获取错误信息并到指定页面 g`~c|bx
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不要使用Response.Redirect,而应该使用Server.Transfer BEM_y:#
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// in global.asax .-[uQtyWW
protected void Application_Error(Object sender, EventArgs e) { n\k6UD
if (Server.GetLastError() is HttpUnhandledException) AD$k`Cj
Server.Transfer("MyErrorPage.aspx"); o"D`_ER
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) }m NP[L
} e;8>/G
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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 ;}),6R
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10.清空Cookie 4Fhiac
Cookie.Expires=[DateTime]; L12m ;
Response.Cookies("UserName").Expires = 0 `=b)fE
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11.自定义异常处理 O[[:3!6q
//自定义异常处理类 h_6QVab@
using System; #iD5&
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using System.Diagnostics; UKyOkuY:w
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namespace MyAppException <-uE pF
{ v|acKux=t
/// <summary> C$`z23E
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 l{wHu(1
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 b}'XDw
/// </summary> Qj(q)!Ku
public class AppException:System.ApplicationException Sd?:+\bS;
{ :@KU_U)\
public AppException() wWm1G)
{ 1GB$;0 W),
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); krwY_$q
} =1g
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public AppException(string message) ^44AE5TO
{ =KJK'1m9
LogEvent(message); $(v1q[ig
} B6~a `~"
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public AppException(string message,Exception innerException) !fF1tW
{ D-*`b&i48
LogEvent(message); Y%!3/3T
if (innerException != null) g+BW~e)
{ RE/'E?G
LogEvent(innerException.Message); `oN~
} w^tNYN,i
} @F)51$Ld
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//日志记录类 9?B}CCE<LR
using System; @f442@_4
using System.Configuration; f h05*]r
using System.Diagnostics; IT&
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using System.IO; n1K"VjZk
using System.Text; g(xuA^~J
using System.Threading; w J
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namespace MyEventLog [?uiM^&
{ ,Zs:e.
/// <summary> GKdQ
/// 事件日志记录类,提供事件日志记录支持 OI;0dS
/// <remarks> yQb^]|XG
/// 定义了4个日志记录方法 (error, warning, info, trace) #
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/// </remarks> zOA{S~>
/// </summary> nWpqAb
public class ApplicationLog /h'V1zL#
{ k&|L"N|w
/// <summary>
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/// 将错误信息记录到Win2000/NT事件日志中 B$A`-
/// <param name="message">需要记录的文本信息</param> Lf _`8Ux
/// </summary> `` (D01<
public static void WriteError(String message) 0/?V _
{ 1iBOf8
WriteLog(TraceLevel.Error, message); 5Z{i't0CQ
} u'cM}y&
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/// <summary> jSVIO v:
/// 将警告信息记录到Win2000/NT事件日志中
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/// <param name="message">需要记录的文本信息</param> P!yE{_%
/// </summary> D?~`L[}I!}
public static void WriteWarning(String message) 82#7TX4
{ :lz@G4=C
WriteLog(TraceLevel.Warning, message); KP"
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} --E_s/
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/// <summary> Up?w>ly
/// 将提示信息记录到Win2000/NT事件日志中 d5&avL\
/// <param name="message">需要记录的文本信息</param> UZsL0
/// </summary> [pi!+k
public static void WriteInfo(String message) O'y8[<
{ yHL 2!
WriteLog(TraceLevel.Info, message); E5 "%-fAJ
} b:Oa4vBa
/// <summary> 8'J"+TsOW
/// 将跟踪信息记录到Win2000/NT事件日志中 g[<K FVlG
/// <param name="message">需要记录的文本信息</param> CDcZ6.f
/// </summary> c!l=09a~a+
public static void WriteTrace(String message) }$5S @,
{ W0%cJ8~
WriteLog(TraceLevel.Verbose, message); @ht= (Jk9
} gj{2"tE
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/// <summary> |fX
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/// 格式化记录到事件日志的文本信息格式 [5Zs%!Z;8N
/// <param name="ex">需要格式化的异常对象</param> t-_~jZ<
/// <param name="catchInfo">异常信息标题字符串.</param> 0~{jgN~
/// <retvalue> 3u +A/
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> cp.c$
/// </retvalue> iev02 8M
/// </summary> \k\ {S2SU
public static String FormatException(Exception ex, String catchInfo) GZ.Xx
{ 3>X]`Oj7y
StringBuilder strBuilder = new StringBuilder(); kBZnR$Cl
if (catchInfo != String.Empty) %9ef[,WT
{ KEF"`VTB@
strBuilder.Append(catchInfo).Append("\r\n"); KSsv~!3Yf
} jA@js v
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); C}grY5:
return strBuilder.ToString(); ST'M<G%4E
} 'J(rIH3U
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/// <summary> ?v8.3EE1\o
/// 实际事件日志写入方法 nojJGeW%
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> 4D(5WJ&
/// <param name="messageText">要记录的文本.</param> le1
/// </summary> h:{rjXK
private static void WriteLog(TraceLevel level, String messageText) <u>l#weG,
{ i>Wsc?
try ?K9&ye_rgw
{ B:5\+_a!
EventLogEntryType LogEntryType; ;{mKt%#
switch (level) ! h7?Ap
{ ,z A9*
case TraceLevel.Error: h!l&S2)D`
LogEntryType = EventLogEntryType.Error; :l~^un|<2Y
break; -Lh\]
case TraceLevel.Warning: Ni]V)wGE;
LogEntryType = EventLogEntryType.Warning; =.197)e
break; H+Dv-*i
case TraceLevel.Info: 7Gg3$E+#*
LogEntryType = EventLogEntryType.Information; B->3/dp2c'
break; )BI6nU
case TraceLevel.Verbose: QN`K|,}H^
LogEntryType = EventLogEntryType.SuccessAudit; 1.p2{
break; g\]2?vY.
default: ;MH((M/AN
LogEntryType = EventLogEntryType.SuccessAudit; B!: %^S
break; yV`H_iC
} {')L*
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EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName ); tf?syk+jB7
//写入事件日志 N.r8dC
eventLog.WriteEntry(messageText, LogEntryType); \*] l'>x1
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