1. 打开新的窗口并传送参数:
s/'gl 9/|i.2& 传送参数:
#Ryu`b response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
k07) g:_ VVje|T^{Z 接收参数:
}fs;yPl, string a = Request.QueryString("id");
)+9D$m=P; string b = Request.QueryString("id1");
Lp*T=]C] Cj):g,[a 2.为按钮添加对话框
o[ %Q&u Button1.Attributes.Add("onclick","return confirm(’确认?’)");
ss3fq} button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
jW",'1h<n ^ihXM]1{G 3.删除表格选定记录
9tC8|~Q int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
?8C+wW string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
4/U]7Y _.06^5o 4.删除表格记录警告
F]?$Q'U private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
w }2|Do$5 {
T}]Ao switch(e.Item.ItemType)
(A&@
< {
0KT{K( case ListItemType.Item :
E(U}$Zey case ListItemType.AlternatingItem :
ddHIP`wb case ListItemType.EditItem:
qkUr5^1 TableCell myTableCell;
@+X}O/74 myTableCell = e.Item.Cells[14];
r5iO%JFg LinkButton myDeleteButton ;
Nd!2 @?V4 myDeleteButton = (LinkButton)myTableCell.Controls[0];
y!!+IeReS myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3]Lk}0atpL break;
Ef `LBAfOO default:
$'FPst8Q< break;
:g9z^ $g }
JkxS1 FvI`S> }
rrwsj` TcfBfscU 5.点击表格行链接另一页
Jp-ae0 Ewa private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
X)f"`$ {
|f?C*t', //点击表格打开
*u{.K:.I if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1v\-jM" e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
M*S5&xpX }
fp![Pbms. dju&Ku
双击表格连接到另一页
{M~!?#<K 8:xQPd?3 在itemDataBind事件中
o"1us75P if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
}lb.3fqiA {
#Aan v string OrderItemID =e.item.cells[1].Text;
0~1P&Qs<
...
VDmd+bvJV e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
c\b>4 &n }
!Z'm@,+ %<muVRkB\ 双击表格打开新一页
GyPN)!X@.& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:A{-^qd( {
!yI)3;$* string OrderItemID =e.item.cells[1].Text;
TQ2Tt" ...
8c|IGC e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
\%Smp2K }
M{4_BQ4$ G<dXJ ]\\ ★特别注意:【?id=】 处不能为 【?id =】
#dfW1@m 6.表格超连接列传递参数
y14@9<~9 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
pq&c]8H <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
_INUJc t2SZ]|C 7.表格点击改变颜色
5#F+-9r if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
`cv:p|s {
ha),N<' e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
>PJ-Z~O'
this.style.color=’buttontext’;this.style.cursor=’default’;");
5k(#kyP }
68!fcK vxt^rBA 写在DataGrid的_ItemDataBound里
,RHHNTB(" if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
A{o{o++ {
v:0i5h&M e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
]1[;A$7 this.style.color=’buttontext’;this.style.cursor=’default’;");
g:clSN, e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
'~cEdGD9H }
gPi_+-@ }Tef;8d Mvh_>-i 8.关于日期格式
#"M Pe4 (~GFd7 日期格式设定
-ur]k]R DataFormatString="{0:yyyy-MM-dd}"
~Iu09t|a D/Wuan?yPN 我觉得应该在itembound事件中
z,7^dlT e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
o%5bg( uSQ*/h-<)0 9.获取错误信息并到指定页面
s?E: ] X m3t
xp# 不要使用Response.Redirect,而应该使用Server.Transfer
mC7Y * Wd}mC<rv1 e.g
)pLq^j // in global.asax
>`uS NY"tO protected void Application_Error(Object sender, EventArgs e) {
HKkf+)%)x if (Server.GetLastError() is HttpUnhandledException)
D.6dPzu` Server.Transfer("MyErrorPage.aspx");
&F}+U#H XL3h ;$, //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
B# fzMaC }
D=>^m=?0 +;Gl>$ 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
~e+w@ lK Q=8
cBRe 10.清空Cookie
u3:Q t2^S Cookie.Expires=[DateTime];
,')bO*Ng Response.Cookies("UserName").Expires = 0
-!cAr
< b9N4Gr 11.自定义异常处理
#0D.37R+k //自定义异常处理类
|7$h@KF=S using System;
TH!8G,(w using System.Diagnostics;
pQ Y> Q2NnpsA^6 namespace MyAppException
's?F ip {
`RcNqPY#S /// <summary>
RX1{?*r]Z /// 从系统异常类ApplicationException继承的应用程序异常处理类。
4g9b[y~U /// 自动将异常内容记录到Windows NT/2000的应用程序日志
\ c&)8.r /// </summary>
<yPHdbF public class AppException:System.ApplicationException
,9qB}HG {
SEIu4
l$E public AppException()
tl5IwrF6; {
'[8b0\ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
:gq@/COo( }
yp^* TD/J `W n5
.V public AppException(string message)
BfT, {
88$Y-g5* LogEvent(message);
uFWgq::\ }
tJPRR_nZv )X;cS}
yp public AppException(string message,Exception innerException)
)<F\IM {
}Xi#x*-D LogEvent(message);
7yTe]O if (innerException != null)
Xh"iP % {
n;-r
W;ZO LogEvent(innerException.Message);
_%vqBr* }
+[/r^C }
gj,J3x4TK/ y
UAn~!s //日志记录类
i q:Q$z& using System;
\]A;EwC4C using System.Configuration;
~+egu89'TU using System.Diagnostics;
jYX9;C;J using System.IO;
tC:,!4 P$ using System.Text;
TrU@mYnE using System.Threading;
je4&'vyU D!a5#+\C namespace MyEventLog
q{/Jw"e {
5Y=\~,%\oH /// <summary>
Gc!8v}[7J /// 事件日志记录类,提供事件日志记录支持
s;7qNwYO /// <remarks>
%*c|[7Z~V /// 定义了4个日志记录方法 (error, warning, info, trace)
(iOCzZ6S /// </remarks>
/^3oq] /// </summary>
kO_XyC4( public class ApplicationLog
N"RYM~c7 {
K]!u@I* K" /// <summary>
'Q>z** /// 将错误信息记录到Win2000/NT事件日志中
psX%.95Y /// <param name="message">需要记录的文本信息</param>
aiZo{j<6 /// </summary>
0"psKf' public static void WriteError(String message)
4F,Ql"ae( {
4<<bk_7' WriteLog(TraceLevel.Error, message);
L?27q }
u?;Vxh3@| rHgdvDc /// <summary>
` ]P5, /// 将警告信息记录到Win2000/NT事件日志中
+`zi>= /// <param name="message">需要记录的文本信息</param>
L1kM~M /// </summary>
Y\e]2 public static void WriteWarning(String message)
,/`E|eG1G {
C!{AnWf WriteLog(TraceLevel.Warning, message);
NS4'IR=;E! }
r`R~{;oT YB
B$uGA /// <summary>
p;=kH{uu /// 将提示信息记录到Win2000/NT事件日志中
R:OU>HsdX /// <param name="message">需要记录的文本信息</param>
~]W[ {3 ; /// </summary>
j8Q5d` public static void WriteInfo(String message)
)ko{S[gG {
aZjef WriteLog(TraceLevel.Info, message);
2\63&C^ }
3zTE4pHzu+ /// <summary>
fj-pNl6Gf /// 将跟踪信息记录到Win2000/NT事件日志中
2"+x(Ax /// <param name="message">需要记录的文本信息</param>
=ym /// </summary>
4^[}]'w public static void WriteTrace(String message)
aaz"`,7_ {
+'['HQ) WriteLog(TraceLevel.Verbose, message);
|@ZqwC= }
2PR7M.V7 >mFX^t_, /// <summary>
x`+
l# /// 格式化记录到事件日志的文本信息格式
AuDR |;i /// <param name="ex">需要格式化的异常对象</param>
>=~Fo)V!(V /// <param name="catchInfo">异常信息标题字符串.</param>
mKq<'t]^k /// <retvalue>
dxn0HXU /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
*$Lz2 ] /// </retvalue>
Z-t}6c'Kg /// </summary>
:-u-hO5*8 public static String FormatException(Exception ex, String catchInfo)
G?-`>N-u {
Vv]$\`d# StringBuilder strBuilder = new StringBuilder();
Q5y
q"/=[a if (catchInfo != String.Empty)
e-iYJ? {
,V33v<|wc strBuilder.Append(catchInfo).Append("\r\n");
J7ktfyQ0W }
`xX4!^0Hm strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Xvu) return strBuilder.ToString();
P
0Efh?oZ }
Y$x"4=~ R] Disljq /// <summary>
"VDk1YX_&l /// 实际事件日志写入方法
G&@-R{i /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
eyf4M;goz} /// <param name="messageText">要记录的文本.</param>
/~Zc}o,J /// </summary>
3|~(?4aE private static void WriteLog(TraceLevel level, String messageText)
cK|rrwa0 {
7}d$*C try
D(qHf9 {
*9dV/TT~f[ EventLogEntryType LogEntryType;
.>kccLr:z switch (level)
JN&MyA" {
m)@Q_{=6M case TraceLevel.Error:
Mr=}B6` LogEntryType = EventLogEntryType.Error;
K5!";V break;
3s?v(1 {) case TraceLevel.Warning:
_b0S LogEntryType = EventLogEntryType.Warning;
m|[\F#+C break;
nY{i>Y case TraceLevel.Info:
NWJcFj_ LogEntryType = EventLogEntryType.Information;
Z[#I"-Q~: break;
'f-
case TraceLevel.Verbose:
N
b3I%r LogEntryType = EventLogEntryType.SuccessAudit;
~>#LOT ` break;
Ql~#((K default:
_\,rX\ LogEntryType = EventLogEntryType.SuccessAudit;
^91sl5c8yD break;
5ys#L&q'Z }
oUQGLl!V ;'=VrE6 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
X2\E9hJg //写入事件日志
X)Dqeb6 eventLog.WriteEntry(messageText, LogEntryType);
UsLh)#}h "JzfL(yt }
/&D'V_Q`* catch {} //忽略任何异常
BgJkrv7~ }
%"l81z } //class ApplicationLog
M'cJ)-G }
uX[O,l^} e1%rVQ(v 12.Panel 横向滚动,纵向自动扩展
Job/@> ; <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
M8 iEVJ YO@hE> 13.回车转换成Tab
n 5~=qQK2 <script language="javascript" for="document" event="onkeydown">
CgVh\4,a if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
<\, &:< event.keyCode=9;
UvPp~N7, </script>
gf0PMc3l /:#j?c onkeydown="if(event.keyCode==13) event.keyCode=9"
PM~bM3Ei OlEpid'Z 14.DataGrid超级连接列
2;~KL-h0TK DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
\|4 Ca't '1CD-
Bu 15.DataGrid行随鼠标变色
L"[IOV9S private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
i^je.,Bi {
'rS'B.D if (e.Item.ItemType!=ListItemType.Header)
WYSck&9 {
T?H\&2CLT e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
ZJ^s} e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
0SJ{@* }
7'_nc!ME }
Sdgb#?MR| %S{o5txo 16.模板列
3hc#FmLr2b <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
`6rrXU6| <ITEMTEMPLATE>
.r ~'(g{qt <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
TT|-aS0l(u </ITEMTEMPLATE>
ob0~VEH- </ASP:TEMPLATECOLUMN>
7 ,$ axvLw M$,Jg5Dc <ASP:TEMPLATECOLUMN headertext="选中">
dav vI$TA <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
k?^%hO>[ <ITEMTEMPLATE>
,q8(]n4 <ASP:CHECKBOX id="chkExport" runat="server" />
(-bRj# </ITEMTEMPLATE>
nc<qbN <EDITITEMTEMPLATE>
%v]7BV^%6 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
ER{yuw </EDITITEMTEMPLATE>
BwJNi6, </ASP:TEMPLATECOLUMN>
PPN q:, L<0=giE 后台代码
w3<Z?lj: protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
EtGH\?d~] {
?Rlgv5P! //改变列的选定,实现全选或全不选。
Y.E?;iS CheckBox chkExport ;
wOjv[@d if( CheckAll.Checked)
DWuRJ {
?#4+r_dP foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
bKYY{V55 {
AvZXRN1:' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
N].4"0Jv-D chkExport.Checked = true;
KZECo1 }
:ezA+=ENg }
DX|uHbGg else
pw!@Q?R {
{n\6BTs foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
!2(.$}E {
Cq gJ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
yP
x\ltG3 chkExport.Checked = false;
2.]~*7
}
MM7"a?y) }
^,Xa IP+[ }
60'6/3 L5/mO6;k 17.数字格式化
#`vVgGZ& >Z}@7$(7!~ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
B-$+UE>% <%#Container.DataItem("price","{0:¥#,##0.00}")%>
XHy? fc3 Fi'^ int i=123456;
NP "ylMr7P string s=i.ToString("###,###.00");
6?O}Q7G L4~
W/6A 18.日期格式化
$cq!RgRn 7iP5T 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
N. jA 8X rrAqI$6 显示为: 2004-8-11 19:44:28
+B# qu/By gNTh% e 我只想要:2004-8-11 】
1f<RyAE?5 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
cu<y8
:U< O5O.><RP 应该如何改?
!Pw$48cg q=njKC 【格式化日期】
;:U<ce= N^lAG"Jao[ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
wajZqC2yg 4x(F&0 【日期的验证表达式】
bhn5Lz$z o,J^ e_ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
{(%~i37 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
qT$)Rb& Y5n>r@)m B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
X3AwM%,! ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
zLL)VFCJW b) Ux3PB 【大小写转换】
~ibF M5m HttpUtility.HtmlEncode(string);
@/LiR>, HttpUtility.HtmlDecode(string)
I
:@|^PYw `&H04x"Y$> 19.如何设定全局变量
Y_+
SA|s y[7C% Wj Global.asax中
5\&]J7( Uh}+"h5 Application_Start()事件中
$.9 +{mz \KCWYi] 添加Application[属性名] = xxx;
lr0M<5d=p D!S8oKW 就是你的全局变量
^@K
WYAAW5 8]HY. $E 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
%{U"EZ]D! 5*Btb#: HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
?T
<rt ~~@y_e[N#l 【ASPNETMENU】点击菜单项弹出新窗口
k1RV' /eb-'m 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
!O 8.#+ <?xml version="1.0" encoding="GB2312"?>
IhfZLE., <MenuData ImagesBaseURL="images/">
cN5"i0xk <MenuGroup>
wh*:\_!0\ <MenuItem Label="内参信息" URL="Infomation.aspx" >
ZL,6_L/ <MenuGroup ID="BBC">
t| _{;!^
<MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
**n y! <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
)%t7\1)B3 ......
:WO{x g W/=7jM 最好将你的aspnetmenu升级到1.2版
<