1. 打开新的窗口并传送参数: S]^`woD
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传送参数: NjX[;e-u
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>") 2Il8f
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接收参数: h[kU<mU"T
string a = Request.QueryString("id"); ~.^AL}zm_
string b = Request.QueryString("id1"); )I`if(fG
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2.为按钮添加对话框 `'i( U7?
Button1.Attributes.Add("onclick","return confirm(’确认?’)"); h7]EB!D\A
button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}") ? }yfKU`
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3.删除表格选定记录 s"%lFA"-
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex]; 4zjs!AK%
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString() 5G[x }4U
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4.删除表格记录警告 Ooc\1lX
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e) tIc 7:th
{ "
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switch(e.Item.ItemType) m^V5*JIh
{ _V2xA88
case ListItemType.Item : |A\a4f'G
case ListItemType.AlternatingItem : "?3`
case ListItemType.EditItem: !E2W\chi
TableCell myTableCell; ` qUX.
myTableCell = e.Item.Cells[14]; o.m:3!RW
LinkButton myDeleteButton ; B(_WZa!
myDeleteButton = (LinkButton)myTableCell.Controls[0]; k()$:-V
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);"); 0|c}p([~
break; j+rG7z){K
default: r^0F"9eOL
break; +1rkq\{l
} 7b[wu~'(
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} ),(V6@Z?
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5.点击表格行链接另一页 iEm ?
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e) E5</h"1
{ M5g\s;y;
//点击表格打开 Z
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if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) OhVs#^
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);"); Cr C=A=e
} dY(;]sxFr
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双击表格连接到另一页 B07v^!Z>
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在itemDataBind事件中 r)^vO+3u
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) j8Cho5C
{ ?'s6Xmd
string OrderItemID =e.item.cells[1].Text; mh.+."<)F
... g%nl!dgS
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’"); =LkR!R=
} M|,mr~rRG
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双击表格打开新一页 424(3-/v;
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem) FAsFjRS
{ *=AqM14 @
string OrderItemID =e.item.cells[1].Text; 3^?ZG^V
... tM4Cx
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)"); Q GZyL)Q
} 2ZcKK8X;7
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★特别注意:【?id=】 处不能为 【?id =】 {vEOn-(7
6.表格超连接列传递参数 t.p~\6Yi
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’ TaE~s
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ /> iOAbaPN
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7.表格点击改变颜色 zc rY>t#l
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) |`Or'%|PR
{ J(DN!
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’; 9KWuN:Sg
this.style.color=’buttontext’;this.style.cursor=’default’;"); ~6YMD
} -m
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写在DataGrid的_ItemDataBound里 u .f= te
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem) 21hv%CF\9
{ ^XbU~3(
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’; }}v9
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this.style.color=’buttontext’;this.style.cursor=’default’;"); 6AG`&'"
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;"); 1#IlWEg
} I/Jb!R ~
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8.关于日期格式 'R-3fO???
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日期格式设定 hj'(*ND7z
DataFormatString="{0:yyyy-MM-dd}" CI353-`
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我觉得应该在itembound事件中 ~t9tnLc$
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd")) 8>hwK )av
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9.获取错误信息并到指定页面 P3$Q&^?
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不要使用Response.Redirect,而应该使用Server.Transfer .7K7h^*F
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e.g 'AN>`\mR$
// in global.asax =[b)1FUp
protected void Application_Error(Object sender, EventArgs e) { RuII!}*
if (Server.GetLastError() is HttpUnhandledException) /1Ue?)g
Server.Transfer("MyErrorPage.aspx"); ck?YI]q|
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//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :) p
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} ,) J~ ,^f6
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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 lXcx@#~
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10.清空Cookie :oJ=iB'Zc
Cookie.Expires=[DateTime]; 'Ut7{rZ5
Response.Cookies("UserName").Expires = 0 hjZKUMG(k
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11.自定义异常处理 "g$IP9?U
//自定义异常处理类 /p8dZ+X
using System; O,Cb"{qH8
using System.Diagnostics; nBk)WX&[K
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namespace MyAppException BNL;Biyt7
{ uEX!xx?Q#
/// <summary> g$b<1:8
/// 从系统异常类ApplicationException继承的应用程序异常处理类。 dC RyOid$
/// 自动将异常内容记录到Windows NT/2000的应用程序日志 /~zai}
/// </summary> yUpgoX(6
public class AppException:System.ApplicationException FCnm1x#
{ H1}
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public AppException() #O+),,WS
{ )c `7( nY
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。"); 7(pF[LCF
} I:mr}mv=i
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public AppException(string message) \B,(k<
{ Oil?JI Hq
LogEvent(message); euC&0Ee2
} Hv2De0W
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public AppException(string message,Exception innerException) V$ps>
{ Z<vKQ4G
LogEvent(message); tCdqh-
if (innerException != null) c@8 93<_
{ MdvcnaCG
LogEvent(innerException.Message); 9jw\s P@
} V,cBk
} +F^^c2E
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//日志记录类 `\}v#2VJ
using System; lhqg$lb
using System.Configuration; ;C2K~8,
using System.Diagnostics; U|IzXQX(
using System.IO; !O<)\)|g
using System.Text; "g1)f"pL
using System.Threading; k7T`bYv
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namespace MyEventLog >U[j]V]
{ %^ !,t:d
/// <summary> Dy:|g1>
/// 事件日志记录类,提供事件日志记录支持 FY#C.mL
/// <remarks> 5yP\I+Fm
/// 定义了4个日志记录方法 (error, warning, info, trace) )v.=jup[
/// </remarks> MB]<Dyj,
/// </summary> 8|\8O@
public class ApplicationLog a6uJYhS~
{ |>dI/_'
/// <summary> fTK3,s1=
/// 将错误信息记录到Win2000/NT事件日志中 ?`PvL!'
/// <param name="message">需要记录的文本信息</param> lE4HM$p
/// </summary> _sTROd)Vh
public static void WriteError(String message) )8$=C#qC[
{ ^G}47(
WriteLog(TraceLevel.Error, message); tM'P m
} =Jyu4j *}
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/// <summary> ~kEI4}O
/// 将警告信息记录到Win2000/NT事件日志中 uFinv2Z'
/// <param name="message">需要记录的文本信息</param> |R/%D%_g
/// </summary> A;]}m8(*
public static void WriteWarning(String message) 1=d6NX)B
{ \D*KGd]M0
WriteLog(TraceLevel.Warning, message); 62ws/8d6f
} Yp^rR }N
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/// <summary> `T5W}p[6
/// 将提示信息记录到Win2000/NT事件日志中 6[ j.@[t
/// <param name="message">需要记录的文本信息</param> ~E2KZm
/// </summary> lww!-(<ww
public static void WriteInfo(String message) Ng~FEl
{ H[U!%Z
WriteLog(TraceLevel.Info, message); 3 cK I
} 0tT(W^ho g
/// <summary> :&V h?
/// 将跟踪信息记录到Win2000/NT事件日志中 ?kbiMs1;u
/// <param name="message">需要记录的文本信息</param> #_^Lb]jkM
/// </summary> e#$]Y?,
public static void WriteTrace(String message) j i7[nY
{ Lr~=^{
WriteLog(TraceLevel.Verbose, message); RC7]'4o
} 4NheWM6
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/// <summary> 5YeM%%-S
/// 格式化记录到事件日志的文本信息格式 I
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/// <param name="ex">需要格式化的异常对象</param> 3z{?_;bR
/// <param name="catchInfo">异常信息标题字符串.</param> gd`!tRcNY
/// <retvalue> i@"@9n~
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para> +M\`#i\g>
/// </retvalue> q_A!'sm@)
/// </summary> Vt:~q{9*k
public static String FormatException(Exception ex, String catchInfo) vqDu(6!2
{ su{poQ}K
StringBuilder strBuilder = new StringBuilder(); MOQ*]fV:
if (catchInfo != String.Empty) d928~y
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{ |
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strBuilder.Append(catchInfo).Append("\r\n"); "n(hfz0y%
} >UiYL}'br6
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace); Vc\MV0lr
return strBuilder.ToString(); rWa2pO
} W$hx,VEy`
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/// <summary> Yg%I?
/// 实际事件日志写入方法 v&DI`xn~
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param> ;-~B)M_S`
/// <param name="messageText">要记录的文本.</param> tE<H|_{L
/// </summary> K*K,}W&}
private static void WriteLog(TraceLevel level, String messageText) `T@i. 'X
{ u8&Z!p\
try lb4Pcdj
{ =.Pw`.
EventLogEntryType LogEntryType; S"NqM[W
switch (level) /R]U}o^/(%
{ tdBm
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case TraceLevel.Error: N
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LogEntryType = EventLogEntryType.Error; GfoLae
break; [8 ]z|bM
case TraceLevel.Warning: {FeDvhv
LogEntryType = EventLogEntryType.Warning; t5\-v_mG=&
break; Cjm`|~&e+
case TraceLevel.Info: .o(fe\KHf
LogEntryType = EventLogEntryType.Information; &Cr: