1. 打开新的窗口并传送参数:
^hC'\09=c @yaFN>w 传送参数:
JF.Lo; response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
c0@8KW[, lS.Adl^k 接收参数:
c[dzO.~ string a = Request.QueryString("id");
;hX( /T string b = Request.QueryString("id1");
vjGQ! xF 0Z9DewwP 2.为按钮添加对话框
d!y*z Button1.Attributes.Add("onclick","return confirm(’确认?’)");
<=q}
Nd\ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
' [
4;QYw d,"LZ>hNY* 3.删除表格选定记录
F1t( P 8 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
z*eBjHbF string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
FM@iIlY" K T} 4.删除表格记录警告
&r5q,l&@n private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
@^W`Yg)C {
18>cfDh;N switch(e.Item.ItemType)
%t9C {
#@S%?`4, case ListItemType.Item :
N6Ud(8* case ListItemType.AlternatingItem :
7^q~a(j case ListItemType.EditItem:
m|@H`=`d TableCell myTableCell;
x%G3L\5 myTableCell = e.Item.Cells[14];
L[G O6l LinkButton myDeleteButton ;
6Xlzdt myDeleteButton = (LinkButton)myTableCell.Controls[0];
nVb@sI{{k myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
W7i|uTM break;
t;&XIG~ default:
,S8 K! break;
4>hHUz[_ }
aLJm%uW6m& y/lF1{}5 }
*gbK
:*_J E
$@W~).! 5.点击表格行链接另一页
u/zBz*zh private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:S+K\ {
e3?=1ZB //点击表格打开
:]^e-p!z if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~&?bU]F e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
:HkBP90o }
7RAB"T;?Q IS bs l=F 双击表格连接到另一页
&],uD3:5O =!O->C: 在itemDataBind事件中
kmI0V[Y if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
q+
$6D;9 {
Sqo+cZ string OrderItemID =e.item.cells[1].Text;
FK|O^->B ...
`2s!%/ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
+K57. n{ }
WNjwv/ kN1MPd4Yh 双击表格打开新一页
NO"PO
@&Wk if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
':'g!b`/ {
n_8[bkbi string OrderItemID =e.item.cells[1].Text;
E$e7(D ...
~4S$+*'8 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
rz?Cn
X.t }
b'H'QY
RpHlq ★特别注意:【?id=】 处不能为 【?id =】
I2ek`t] 6.表格超连接列传递参数
&|>+LP@8 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
24mdhT| <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
H"C'<(4*\ Y?T{>"_W 7.表格点击改变颜色
`BPTcL<W if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
%`vzQt`> {
<qCa9@Ea e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
<AHpk5Sn{ this.style.color=’buttontext’;this.style.cursor=’default’;");
uy'ghF }
W?
iA P 5gszAvOO 写在DataGrid的_ItemDataBound里
H"Pb)t if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
XH:*J+$O {
IUcL* e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Y Y:BwW: this.style.color=’buttontext’;this.style.cursor=’default’;");
JE?p'77C e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
j]a$RC# }
R$a<= EP;/[O !QUY ( 8.关于日期格式
|D3u"Y!:^ (JhX:1 日期格式设定
c}x1-d8 DataFormatString="{0:yyyy-MM-dd}"
X'9.fKp )&DAbB!O 我觉得应该在itembound事件中
h`fVQN.3 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
CUA @CZ6{ mYBEjZB 9.获取错误信息并到指定页面
5sD,gZ7 g;IlS*Ld 不要使用Response.Redirect,而应该使用Server.Transfer
?0tg}0| (}"D x3K e.g
BG{f)2F\ // in global.asax
[}X|&`'i protected void Application_Error(Object sender, EventArgs e) {
?mQ^"9^XS if (Server.GetLastError() is HttpUnhandledException)
&v\F ah U Server.Transfer("MyErrorPage.aspx");
|Lq8cA)|y prBLNZp //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
J3Mb]X)_} }
ZSMed(//b e5h*GKF 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
Z5{a7U4z_ &dtk&P{ 10.清空Cookie
Ycm)PU [" Cookie.Expires=[DateTime];
R+sT
&d Response.Cookies("UserName").Expires = 0
FB=oGgwwq 4 p_C+4 11.自定义异常处理
&[.5@sv //自定义异常处理类
(iIw}f)w using System;
bP,<^zA|X using System.Diagnostics;
r@r%qkh(.@ ]AP1+
&9fN namespace MyAppException
JFq
wC=- {
Pg4&}bX:I /// <summary>
Er~ 17$b /// 从系统异常类ApplicationException继承的应用程序异常处理类。
8WP>u8& /// 自动将异常内容记录到Windows NT/2000的应用程序日志
,N/@=As9$ /// </summary>
D{|q P
nE4 public class AppException:System.ApplicationException
=O/Bte. {
vNv?trw public AppException()
T}~TW26v {
e4X
df>B if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
]5W$EvZ9) }
?M2(80 ;#B(L=/ public AppException(string message)
)cfi@-J+# {
myx/ |-V"F LogEvent(message);
#kg`rrFr }
_iwG'a[` 4"@<bKx public AppException(string message,Exception innerException)
[^>XRBSm {
a"~o'W7 LogEvent(message);
_8K+iqMZG if (innerException != null)
T&U}}iWN {
eK8H5YE LogEvent(innerException.Message);
e~h>b.~ }
, ,3lH-C }
PN}+LOD<t #mH@ /6,#[ //日志记录类
6K2e]r using System;
*7Dba5B using System.Configuration;
:I"CQ
C[Z using System.Diagnostics;
E}^V@ :j> using System.IO;
k(Yz2 using System.Text;
ycGY5t@K@ using System.Threading;
|9@,ri\'Rg 0SpB2>_ namespace MyEventLog
h!"2Ux3!x {
>T$0*7wF /// <summary>
W?7l-k=S /// 事件日志记录类,提供事件日志记录支持
LS@TTiN
/// <remarks>
s"(RdJ-, /// 定义了4个日志记录方法 (error, warning, info, trace)
*k$[/{S1- /// </remarks>
D)* /// </summary>
O5dS$[`j\p public class ApplicationLog
~z[`G#dU {
/i+z#q5' /// <summary>
o7y<Zd`Bj /// 将错误信息记录到Win2000/NT事件日志中
lR(9;3 /// <param name="message">需要记录的文本信息</param>
MB}nn&u# /// </summary>
9t! d.} public static void WriteError(String message)
?y>N&\pt2 {
g/?Vl2W WriteLog(TraceLevel.Error, message);
G
hM }
#h!+b c
'|*{%<e2 /// <summary>
|jsI-?%8J /// 将警告信息记录到Win2000/NT事件日志中
ktu?-?#0, /// <param name="message">需要记录的文本信息</param>
RK# 6JfC3X /// </summary>
!E70e$Th public static void WriteWarning(String message)
B`pBIUu {
cJKnB!iL5 WriteLog(TraceLevel.Warning, message);
N,t9X7G& }
m l`xLZN>L xBHf~:! /// <summary>
PZ[-a-p40 /// 将提示信息记录到Win2000/NT事件日志中
9#E *o~1 /// <param name="message">需要记录的文本信息</param>
Khq\@`RaT /// </summary>
OjU{r N* public static void WriteInfo(String message)
fif;n[< {
#%,X),%- WriteLog(TraceLevel.Info, message);
^`H'LD }
$e^"Inhtqp /// <summary>
q|5WHB /// 将跟踪信息记录到Win2000/NT事件日志中
a=S &r1s> /// <param name="message">需要记录的文本信息</param>
eAHY/Y! /// </summary>
5!0iK9O public static void WriteTrace(String message)
(6,:X {
AvL /gt: WriteLog(TraceLevel.Verbose, message);
%$BRQ-O }
PW*Vfjf4 A#>wbHjWF /// <summary>
5-dt0I@< /// 格式化记录到事件日志的文本信息格式
g&RpE41x /// <param name="ex">需要格式化的异常对象</param>
"2e3 <:$ /// <param name="catchInfo">异常信息标题字符串.</param>
X[z;P!U /// <retvalue>
pj'gTQ),0 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
ODJ"3 J /// </retvalue>
N=mvr&arP /// </summary>
f/\!=sa: public static String FormatException(Exception ex, String catchInfo)
q4BXrEOw {
&+9 ; StringBuilder strBuilder = new StringBuilder();
&oL"AJU if (catchInfo != String.Empty)
xvGYd,dlK {
zD_5TGM= strBuilder.Append(catchInfo).Append("\r\n");
3}L3n*Ft#. }
V[ UOlJ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
@Z]0c=-+ return strBuilder.ToString();
+|?a7qM }
&BVUK"}P mR}8} K]L
/// <summary>
)L<.;`g4x /// 实际事件日志写入方法
u5CSx'h] /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
I0-1Hr /// <param name="messageText">要记录的文本.</param>
Kq7r+A /// </summary>
lp*5;Ls'q private static void WriteLog(TraceLevel level, String messageText)
NF$6yv9C {
%Tp9GGt try
nC:T0OJv {
+Q&l}2 EventLogEntryType LogEntryType;
W3i<Unq
switch (level)
Rsx6vF8]5 {
eI-fH case TraceLevel.Error:
;QZG< LogEntryType = EventLogEntryType.Error;
CKw-HgXG break;
)\U:e:Z ae case TraceLevel.Warning:
LcKc#)'EE LogEntryType = EventLogEntryType.Warning;
g}9,U&$]y break;
lyL6w1 case TraceLevel.Info:
+m_.?V6 LogEntryType = EventLogEntryType.Information;
o HK break;
HB9"T5Pd* case TraceLevel.Verbose:
]H`wE_2tu LogEntryType = EventLogEntryType.SuccessAudit;
`(W"wC break;
F"Dr(V default:
RXRbW %b LogEntryType = EventLogEntryType.SuccessAudit;
9FEhl~& break;
mtUiO
p }
COi15( G2 LM<*VhX EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
V7$ m.P#uM //写入事件日志
Yjg$o:M eventLog.WriteEntry(messageText, LogEntryType);
?MDo. z3 %/eG{oh- }
f:j:L79} catch {} //忽略任何异常
yf{\^^ i( }
a-*sm~u } //class ApplicationLog
su0K#*P&I
}
^;II@n
i zkt~[-jm} 12.Panel 横向滚动,纵向自动扩展
\Y,P <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
MpKXC n3e,vP? R 13.回车转换成Tab
/G5KNSi <script language="javascript" for="document" event="onkeydown">
8] LF{Obz[ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~'*23]j event.keyCode=9;
CXUF=IE </script>
E2Sj IR} [w](x onkeydown="if(event.keyCode==13) event.keyCode=9"
Q_T,=y d 6Y9D=O
14.DataGrid超级连接列
%<~Ewno T DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
[,bJKz)a kwi$% 15.DataGrid行随鼠标变色
J5b3r1~D"[ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
pyf'_ {
mR.j8pi if (e.Item.ItemType!=ListItemType.Header)
=u0=)\0@r {
ZW M:Wj192 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
5ncW
s) e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
,WdSJ BK'a }
+s}!+I8P }
:] Wn26z) "]^U(m>f 16.模板列
w !kk(QMV <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
H:b"Vd"x9 <ITEMTEMPLATE>
M_O$]^I3w <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
3SM'vV0[ </ITEMTEMPLATE>
I'D 3~UIf </ASP:TEMPLATECOLUMN>
. (&6gB .0nT*LF <ASP:TEMPLATECOLUMN headertext="选中">
52^3N>X4X <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
N+V#=Uy <ITEMTEMPLATE>
Ob%iZ.D|3< <ASP:CHECKBOX id="chkExport" runat="server" />
l[ko)%7V </ITEMTEMPLATE>
!/`AM<`o <EDITITEMTEMPLATE>
(muJ-~CJk <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
'+_-r'2 </EDITITEMTEMPLATE>
wz+mFf </ASP:TEMPLATECOLUMN>
:WH{wm| E.yFCaL 后台代码
.}E<,T protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
F_u?.6e] {
pg!mOyn //改变列的选定,实现全选或全不选。
z:UkMn[ CheckBox chkExport ;
0gyvRM@ x[ if( CheckAll.Checked)
|yNyk7~ {
EAY+#>L* foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Q3r]T.].h {
};2Lrz9< chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
2C0j.Ib chkExport.Checked = true;
[p\xk{7Y }
%AV3eqghCg }
H/f}tw else
,>g(%3C {
PazWMmI foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
:z?T/9,C {
zCq6k7u chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
WKr4S<B8mr chkExport.Checked = false;
(*26aMp }
YTgT2w }
q.:a4w J }
2+|r*2_glo Gj#BG49g2 17.数字格式化
)p!")
:'fv "6e3Mj\ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
1>_$O|dE <%#Container.DataItem("price","{0:¥#,##0.00}")%>
-8:O?]+Q/ WbFCj0 int i=123456;
<q MX,h2 string s=i.ToString("###,###.00");
NVVAh5R u 'ng'j' 18.日期格式化
YC{7;=Pf Vg(p_k45` 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
|rpMwkR _ru<1n[4~ 显示为: 2004-8-11 19:44:28
YU87l .>`7d=KT 我只想要:2004-8-11 】
EZ Q!~ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
q9(O=7O]- E?0RR' 应该如何改?
Nf~B 1vkp !/F-EJOH6C 【格式化日期】
J(~xU0gd' JjAO9j% 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
}WQ:Rmi qztL M?iV 【日期的验证表达式】
L8;`*H xoSBMf A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
(yu0iXZY ^((\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})))?$
+'e3YF+'
?s 0")R& B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
n[-d~ Ce2{ ^\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]))$
B*Q.EKD8s a0FU[*q 【大小写转换】
wS2N,X/Y HttpUtility.HtmlEncode(string);
u<@
55k HttpUtility.HtmlDecode(string)
V6<Ki !OH'pC5 19.如何设定全局变量
5OFb9YX t5p#g<