1. 打开新的窗口并传送参数: Q{S{|.w-
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传送参数: dr"$@
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") nl(GoX$vRQ
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接收参数: V /\Y(Mxc
string a = Request.QueryString("id"); g?xXX
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string b = Request.QueryString("id1"); I:DAn!N-A*
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2.为按钮添加对话框 w3
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Button1.Attributes.Add("onclick","return confirm(’确认?’)"); 1l)j(,Zd*
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") 4KxuSI^q
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3.删除表格选定记录 Jjj;v2uSK
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; rd%uc~/
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() Z>R@
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4.删除表格记录警告 _nz_.w0H9
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) Pm^FSw"
{ 9 9:.j=
switch(e.Item.ItemType) #w5%^HwO
{ tR9iFv_
case ListItemType.Item : ?m5"|f\
case ListItemType.AlternatingItem : KAE %Wwjr
case ListItemType.EditItem: /0k'w%V{n
TableCell myTableCell; Jo[&y,
myTableCell = e.Item.Cells[14]; !jB}}&Ii
LinkButton myDeleteButton ; 8q]"CFpa
myDeleteButton = (LinkButton)myTableCell.Controls[0]; +<@1)qZ(E
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); O\cc=7
break; `2+TN
default: C[Q4OAFG
break; U:7w8$_
} `x?_yogPM
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} ,ko#z}Z4r,
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5.点击表格行链接另一页 )O*h79t^Q
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) ]b;a~Y0
{ ;{wzw8!
//点击表格打开 t5b cQ@Y
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) @kDY c8 t9
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); jT0iJ?d,!
} 1+3-Z>^ e
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双击表格连接到另一页 DU,B
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在itemDataBind事件中 kc$W"J@
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) +|GHbwvp
{ xa_ IdkV
string OrderItemID =e.item.cells[1].Text; wO!>kc<
... Av n-Ug
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); 6*$A/D
} ?r)>SB3(e
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双击表格打开新一页 ^Ar1V!PFk
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) .i )K#82
{ 5IzCQqOPgX
string OrderItemID =e.item.cells[1].Text; T,/<'cl"
... ;^E\zs
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); l_04b];
} ;mD!8<~z.
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★特别注意:【?id=】 处不能为 【?id =】 \cX9!lHl
6.表格超连接列传递参数 %sZ3Gpi
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ t6e6v=.Pg
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> Y/m-EL
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7.表格点击改变颜色 +DefV,Ny
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) $u,A/7\s
{ *h?}~!AjY
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; cRag0.[
this.style.color=’buttontext’;this.style.cursor=’default’;"); ODpAMt"
} {='wGx
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写在DataGrid的_ItemDataBound里 {EoZ}I
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) )9/iH(
{ k'F*uS
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; ebL0cK?
this.style.color=’buttontext’;this.style.cursor=’default’;"); SMB&sl
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); 0RCp
} fK(:vwh
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8.关于日期格式 B\=T_'E&
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日期格式设定 :SMf
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DataFormatString="{0:yyyy-MM-dd}" 1z,P"?Q
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我觉得应该在itembound事件中 .VmRk9Z
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) J1M9),
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9.获取错误信息并到指定页面 4},Y0 QXw
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不要使用Response.Redirect,而应该使用Server.Transfer y^X]q[-?
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// in global.asax u
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protected void Application_Error(Object sender, EventArgs e) { 8 f~M6
if (Server.GetLastError() is HttpUnhandledException) :c}PW"0v
Server.Transfer("MyErrorPage.aspx"); VJr ~h
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) )g-0b@z!n
} voP#}fD
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Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理 _-v$fDrz
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10.清空Cookie (o\D=!a
Cookie.Expires=[DateTime]; 1]8Hpd
Response.Cookies("UserName").Expires = 0 vON7~KA
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11.自定义异常处理 Mg^A,8lrm
//自定义异常处理类 7Y4D9pw
using System; Csgby(D*O
using System.Diagnostics; ]P^3uXi
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namespace MyAppException PCBV6Y7r
{ m+pK,D~{"
/// <summary> 5ry[Lgg
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 Z\1`(Pq7`
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 0!axAvBV
/// </summary> [>Zg6q|
public class AppException:System.ApplicationException $['`H)z
{ QS,_= <
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public AppException() ady
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{ &MrG ,/
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); PUd/|Rc/}
} #7J3,EV
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public AppException(string message) xTZJ5iZ17
{ 3)^2X
LogEvent(message); zJ8 jJFL+Y
} S~g"
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public AppException(string message,Exception innerException) 4!M0)Nix
{ `RqV\ 6G+
LogEvent(message); 0V2~
if (innerException != null) Us>n`Lj@
{ ]h=y
LogEvent(innerException.Message); JQ]MkP
} [#:yOZt
} p5nrPL
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//日志记录类 dr"@2=Z
using System; ^h<ElK
using System.Configuration; VhgcvS@V
using System.Diagnostics; q^[SN
using System.IO; 0|rdI,z
using System.Text; IPY[x|
using System.Threading; ,;=is.h9
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namespace MyEventLog
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{ gX5.u9%C\
/// <summary> [s-!tE3-
/// 事件日志记录类,提供事件日志记录支持 {]y!2r
/// <remarks> 1eS@ihkP
/// 定义了4个日志记录方法 (error, warning, info, trace) Ei@al>.\
/// </remarks> URyY^+s
/// </summary> 'EU|w,GL}
public class ApplicationLog 8PRB_ny
{ iSMVV<7
/// <summary> B@vup {Kg
/// 将错误信息记录到Win2000/NT事件日志中 !ZN"(0#qz
/// <param name="message">需要记录的文本信息</param> 'sjks sy.3
/// </summary> 3"6-X_
public static void WriteError(String message) R
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{ z8PV&o
WriteLog(TraceLevel.Error, message); KZ/2W9r_,
} %BkPkQA
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/// <summary> 5PKdMEK|q
/// 将警告信息记录到Win2000/NT事件日志中 E{B40E~4
/// <param name="message">需要记录的文本信息</param> =XUt?5
/// </summary> q0_Pl*
public static void WriteWarning(String message) wH qbTA
{ SYv5{bff =
WriteLog(TraceLevel.Warning, message); tlmfDQD
} `?(9Bl
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/// <summary> +]#pm9
/// 将提示信息记录到Win2000/NT事件日志中 _M[T8 "e(
/// <param name="message">需要记录的文本信息</param> (ZK(ODn)i
/// </summary> Biy$p6
public static void WriteInfo(String message) f{R/rb&iB
{ 1uc;:N G=
WriteLog(TraceLevel.Info, message); \XG\
} u|&a!tOf2
/// <summary> !2=eau^p
/// 将跟踪信息记录到Win2000/NT事件日志中 #tt*yOmiH
/// <param name="message">需要记录的文本信息</param> |w`Q$ c
/// </summary> mk?F+gh
public static void WriteTrace(String message) EnjSio0
{ </h}2x
WriteLog(TraceLevel.Verbose, message); y/Q,[Uzk\
} +q~dS.
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/// <summary> qH*Fv:qnM
/// 格式化记录到事件日志的文本信息格式 ^:m7Qd?Z[
/// <param name="ex">需要格式化的异常对象</param> \;Q:a
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/// <param name="catchInfo">异常信息标题字符串.</param> G~\=:d=^,`
/// <retvalue> (fnp\j3w
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> f.u+({"ql
/// </retvalue> ^Hv4t
/// </summary> m[?gN&%nc
public static String FormatException(Exception ex, String catchInfo) kT{d pGU9
{ f!##R-A
StringBuilder strBuilder = new StringBuilder(); 8>V)SAI'
if (catchInfo != String.Empty) 9GVv[/NAb
{ C%kIxa)
strBuilder.Append(catchInfo).Append("\r\n"); o[K,(
} |1"n\4$
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); h-RL`X
return strBuilder.ToString(); +#
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} VH$hQPP5d
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/// <summary> 7-MkfWH2b6
/// 实际事件日志写入方法 AU^5N3%j
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> dy2<b+..
/// <param name="messageText">要记录的文本.</param> SH M@H93
/// </summary> $r=tOD4;
private static void WriteLog(TraceLevel level, String messageText) 6
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{ $"x~p1P
try =!|=Y@
{ *z\L
EventLogEntryType LogEntryType; HFrwf{J
switch (level) YST{
h{
{ yixAG^<