1. 打开新的窗口并传送参数:
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传送参数: 0X4)=sJP
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") 3y,2RernK
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接收参数: -+M360
string a = Request.QueryString("id"); *nc3A[B#C
string b = Request.QueryString("id1"); f'w`<
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2.为按钮添加对话框 d3Y;BxEz
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); qWx{eRp d
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") ve:Oe{Ie{
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3.删除表格选定记录 J_fs}Y1q\
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; O#t[YP
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() dPbn[*:
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4.删除表格记录警告 ^d@2Y0hH
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) tRO=k34
{ >rJ**y
switch(e.Item.ItemType) cGR) $:
{ <*WGvCh%w
case ListItemType.Item : 3fA+{Y8S
case ListItemType.AlternatingItem : X6T[+]Gc
case ListItemType.EditItem: W#E(?M[r
TableCell myTableCell; 1uppE|
myTableCell = e.Item.Cells[14]; i]J.WFu
LinkButton myDeleteButton ; ,k=8|=aF
myDeleteButton = (LinkButton)myTableCell.Controls[0]; ~#i2reG5
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); !tcz_%
break; CBF<53TshR
default: lSlZ^.&
break; ~( 0bqt3c
} u{h67N
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} >MSK.SNh
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5.点击表格行链接另一页 9D Nd} rXO
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) (wu ciKQ
{ NbTaI{r
//点击表格打开 V.*y_=i8t
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) w%plK6:6
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); EpQy;#=;
} aSu^
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双击表格连接到另一页 e9
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在itemDataBind事件中 g4W/T
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) H(tC4'tA
{ )QRT/, ;c
string OrderItemID =e.item.cells[1].Text; }mzd23^W>P
... |Olz h63k:
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); `/'p1?Z"
} 1G.?Y3DC<
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双击表格打开新一页 K*{RGE
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) [f!
{
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{ bJ2>@|3*
string OrderItemID =e.item.cells[1].Text; Dr(2@0P
... vz>9jw:Y
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); a!/\:4-uc
} c;Tp_e@
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★特别注意:【?id=】 处不能为 【?id =】 U\B9Ab
6.表格超连接列传递参数 _P!b0x~\
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ u$C\#y7
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> ]1XtV<
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7.表格点击改变颜色 }(
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if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) HfgTc
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{ 1#%H!GKvTU
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; ot[ZFF\
this.style.color=’buttontext’;this.style.cursor=’default’;"); |59)6/i
} |JF,n~n
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写在DataGrid的_ItemDataBound里 /]'&cD 1
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) : r ~iFP*
{ m;\nMdn
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; jf`w8*R
this.style.color=’buttontext’;this.style.cursor=’default’;"); fP5i3[T
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); 5>+@.hPX
} i{TPf1OY`M
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8.关于日期格式 iE
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日期格式设定 0kj5r*qA
DataFormatString="{0:yyyy-MM-dd}" FeMgn`q
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我觉得应该在itembound事件中 i!*<LIq
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) d~r A`!s7`
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9.获取错误信息并到指定页面 M>Tg$^lm
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不要使用Response.Redirect,而应该使用Server.Transfer :Ae#+([V
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// in global.asax l0`bseN<
protected void Application_Error(Object sender, EventArgs e) { h U-FSdR
if (Server.GetLastError() is HttpUnhandledException) ui,!_O .c
Server.Transfer("MyErrorPage.aspx"); 2ua!<^,
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) KJ32L
} ,$/Ld76U
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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 JxwKTFU'3O
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10.清空Cookie 9xz@2b@
Cookie.Expires=[DateTime]; *cCx]C.~
Response.Cookies("UserName").Expires = 0 j3;W-c`5
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11.自定义异常处理 b way+lh
//自定义异常处理类 @@U
using System; >A X_"Q~
using System.Diagnostics; ZCj1Cz]"l<
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namespace MyAppException \By_mw
{ mY/"rm
/// <summary> <(@S;?ZEW
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 8Cp@k=
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 5NUaXQ
/// </summary> O2ktqAWx@
public class AppException:System.ApplicationException >I5Wf/$
{ J-'XT_k:iM
public AppException() J/K~8sc
{ 1}Q9y`65
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); &.DRAD)
} 7r'_p$
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public AppException(string message) VFZ?<m
{ \1joW#
LogEvent(message); 9%|skTgIqH
} ^
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public AppException(string message,Exception innerException) (>A#|N1U
{ [(_,\:L${
LogEvent(message); ,)*[Xa_n
if (innerException != null) aWJ
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{ PkyX,mr#1
LogEvent(innerException.Message); c}n66qJF5
} OYt_i'Q
} KCbJ^Rln
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//日志记录类 frPQi{u$
using System; Z3c\}HLY
using System.Configuration; _[z)%`kay
using System.Diagnostics; ~K #92
using System.IO; R,78}7B
using System.Text; 8CRbo24"s
using System.Threading; <a$!S
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namespace MyEventLog x3FB`3y~s
{ WvT H+
/// <summary> +g7]ga
/// 事件日志记录类,提供事件日志记录支持 Ewr2popK
/// <remarks> kI!@J6
/// 定义了4个日志记录方法 (error, warning, info, trace) T^#d;A
/// </remarks> *5oQZ".vA*
/// </summary> $dKfUlO
public class ApplicationLog WO9vOS>
{ OAs>F"
/// <summary> >Tl/3{V
/// 将错误信息记录到Win2000/NT事件日志中 "]G'^
/// <param name="message">需要记录的文本信息</param> :Ob^b3<t
/// </summary> =>c0NT
public static void WriteError(String message) GqsV6kH
{ Z7pX%nj_
WriteLog(TraceLevel.Error, message); 5EQ)pH+
} CQ. C{
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/// <summary> ^&86VBP
/// 将警告信息记录到Win2000/NT事件日志中 v\8v' EDP
/// <param name="message">需要记录的文本信息</param> ^.)0O3oC
/// </summary> tlD^"eq4:
public static void WriteWarning(String message) 5<`83;R9
{ ~ L%,9
WriteLog(TraceLevel.Warning, message); /v<Gt%3X
} klAlS%
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/// <summary> ;%
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/// 将提示信息记录到Win2000/NT事件日志中 B.od{@I(Xp
/// <param name="message">需要记录的文本信息</param> FIfLDT+ Wh
/// </summary> C.#Ha-@uz
public static void WriteInfo(String message) 3]9wfT%d
{ ,7s+-sRG
WriteLog(TraceLevel.Info, message); ZG1TRF "
} ^pu8\K;~
/// <summary> QQN6\(;-
/// 将跟踪信息记录到Win2000/NT事件日志中 Wd!Z`,R
/// <param name="message">需要记录的文本信息</param> $PRd'YdL/
/// </summary> k=kkF"
public static void WriteTrace(String message) =s*c(>
{ G7`mK}J7
WriteLog(TraceLevel.Verbose, message); J5jI/P
} h(AL\9{=}
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/// <summary> `u_MdB}<x;
/// 格式化记录到事件日志的文本信息格式 &F#eYEuy
/// <param name="ex">需要格式化的异常对象</param> &E0^Jz
/// <param name="catchInfo">异常信息标题字符串.</param> +RM!j9Rq
/// <retvalue> MHt
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/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> BjPU@rS.U
/// </retvalue> jf1GYwuW*
/// </summary> PE6,9i0ee
public static String FormatException(Exception ex, String catchInfo) 2^`k6V!
{ _ ~yd
StringBuilder strBuilder = new StringBuilder(); =&k[qqxg
if (catchInfo != String.Empty) 9pj6`5Zn@6
{ /mp!%j~
strBuilder.Append(catchInfo).Append("\r\n"); h {J io>
} &$2d=q8mh
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); jPz1W4pk
return strBuilder.ToString(); >#&2 5,Q
} OY81|N
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/// <summary> ^fO9oPM|
/// 实际事件日志写入方法 KwaxNb5
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> ztHx)
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/// <param name="messageText">要记录的文本.</param> }BT0dKx
/// </summary> 0/|Ax-dK
private static void WriteLog(TraceLevel level, String messageText) !PeSnO
{ qhTVsZ:{C
try _}JMBIq$
{ TYR \K
EventLogEntryType LogEntryType; 9^H.[t
switch (level) h,&{m*q&
{ ep},~tPZn
case TraceLevel.Error: V8WSJ=-&
LogEntryType = EventLogEntryType.Error; Z*b l J5YC
break; wE<r'
case TraceLevel.Warning: [+W<;iep
LogEntryType = EventLogEntryType.Warning; X-"
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break; N}#"o
case TraceLevel.Info: icIWv
LogEntryType = EventLogEntryType.Information; +3XaAk
break; ^yl}/OD
case TraceLevel.Verbose: P{%Urv{U
LogEntryType = EventLogEntryType.SuccessAudit; ^^!G{*F
break; :eL[nyQr
default: y<nPZ<