1. 打开新的窗口并传送参数:
#'kVW{ (8.|q6Nww 传送参数:
*:V"C\`^n response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
aAkO>X%[ 1He'\/# 接收参数:
gOA]..lh string a = Request.QueryString("id");
*AN2&>Y string b = Request.QueryString("id1");
jo=,j/,l {2%@I~US 2.为按钮添加对话框
Hk;) l3oB Button1.Attributes.Add("onclick","return confirm(’确认?’)");
!8>tT button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
F!yejn
[ YPsuG -is 3.删除表格选定记录
81U(*6 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
q P>Gre string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
GvT'v0&+ w.H\j9E
l 4.删除表格记录警告
v#`P?B\ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
s&zg!~@5b {
'B4j=K* switch(e.Item.ItemType)
fj]) {
&+Pcu5 case ListItemType.Item :
K3^N_^H case ListItemType.AlternatingItem :
&`[Dl(W case ListItemType.EditItem:
c1p*}T TableCell myTableCell;
Wtwh.\Jba myTableCell = e.Item.Cells[14];
|7l* LinkButton myDeleteButton ;
rF5O?<( myDeleteButton = (LinkButton)myTableCell.Controls[0];
nXqZkZE\ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
"5R8Zl+ break;
%8yX6`lH default:
P$i?%P~ break;
I-
X|- }
?yt" mam2]St" }
g&"__~dS-F w/HGmVa 5.点击表格行链接另一页
`7zNVYur8 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
HLcK d`$/ {
- ?W hJ.U //点击表格打开
,kKMUshBi if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|JW-P`tL0 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
JY tM1d }
}
. cP v1Lu.JQC$ 双击表格连接到另一页
(s`yMUC+ /a$RJ6t&3 在itemDataBind事件中
wg[ D*a if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2*K _RMr~ {
7.PG*q string OrderItemID =e.item.cells[1].Text;
z`D;8x2b ...
ggUJ -M'2h e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
n1xN:A }
?qt>;o|Ue 8j}CP 双击表格打开新一页
p}NIZ)]$ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
u@$C i/J* {
'i|z>si[* string OrderItemID =e.item.cells[1].Text;
iVt*N$iZ ...
nx >PZb e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
+SSF=]4+ }
}pa@qZXh t*zBN!Wu_ ★特别注意:【?id=】 处不能为 【?id =】
V[Jd1T 6.表格超连接列传递参数
D@(Y.&_ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
`UpZk?k <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
{g *kr1JM ~',<7eW 7.表格点击改变颜色
~E=.*: 5( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(!U5B
Hnd {
iQ9jt e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
)0P>o]fWI this.style.color=’buttontext’;this.style.cursor=’default’;");
.h2K$(/ }
WX}"Pj/6 47xJ(yO 写在DataGrid的_ItemDataBound里
~'e/lX9g- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
}F1|&
A {
J:,>/')n e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
z Uqt^_ this.style.color=’buttontext’;this.style.cursor=’default’;");
3Q`F x e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
yD+)!q" }
[e+"G <> 2c.~cNx`q[ HPGi5rU 8.关于日期格式
XTD_q )x-iru
A: 日期格式设定
BOLG#}sm DataFormatString="{0:yyyy-MM-dd}"
Pgs^#(^> O>zM(I+p 我觉得应该在itembound事件中
wY2#xD e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
WVp7H dIG(7~ 9.获取错误信息并到指定页面
\w!G ki#O ^vl 不要使用Response.Redirect,而应该使用Server.Transfer
n_%JXm#\ w<<G}4~u| e.g
z6vRTY // in global.asax
Eoug/we protected void Application_Error(Object sender, EventArgs e) {
;K[`o/#4" if (Server.GetLastError() is HttpUnhandledException)
Q9N=yz Server.Transfer("MyErrorPage.aspx");
1\q2;5 1q*85[Y //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
xQa[bvW }
+! 6C^G Y B@\"|} Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
1o7
pMp= /H=fK 10.清空Cookie
!6ZkLE[XJ< Cookie.Expires=[DateTime];
l|`%FB^ k Response.Cookies("UserName").Expires = 0
ip4:px- C26PQGo#$ 11.自定义异常处理
^.F@yo2} //自定义异常处理类
g83!il\ using System;
]BU,*YaB using System.Diagnostics;
^{["]!f# Ep0L51Q namespace MyAppException
Z'PE^ , {
$WvI%r /// <summary>
IBY3QG /// 从系统异常类ApplicationException继承的应用程序异常处理类。
rp.S4;=Q 9 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
|lIkmW{ /// </summary>
~a8J"Wh public class AppException:System.ApplicationException
XB-pOtVm {
zPU&
}7 public AppException()
e@s+]a8D-k {
6I(y`pJ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Zr_{Z@IpU }
pJx88LfR
\BaN?u)a public AppException(string message)
Re('7m h~ {
Xd>4n7nb$` LogEvent(message);
lNQ t }
NjVuwIm+ 3uCC_Am public AppException(string message,Exception innerException)
=*qu:f\y {
-<a~kVv LogEvent(message);
YMwMaU)K, if (innerException != null)
6pI=?g {
B3u5EgZr LogEvent(innerException.Message);
L$h.VQv+ }
X~Uvh8O }
w-R>gdm GwV2`2 //日志记录类
l}%!&V0 using System;
bp:WN using System.Configuration;
j|9;")
1 using System.Diagnostics;
gk~.u using System.IO;
uh%%MhTjv using System.Text;
(1fE^KF@f using System.Threading;
Z:09]r1 /sH3Rk.> namespace MyEventLog
&@c=$+#C {
eCMcr !. /// <summary>
vY<(3[pp /// 事件日志记录类,提供事件日志记录支持
Zgt, 'T /// <remarks>
gAC} /// 定义了4个日志记录方法 (error, warning, info, trace)
Y.3]vno?X /// </remarks>
Q1IN@Db}y /// </summary>
[ECSJc&i public class ApplicationLog
6gJy<a3 {
,<%Y.x%4z[ /// <summary>
&4sUi K" /// 将错误信息记录到Win2000/NT事件日志中
Y<X%'Wd\ /// <param name="message">需要记录的文本信息</param>
X3#|9 /// </summary>
!v<r=u public static void WriteError(String message)
]y@9z b {
Il%LI WriteLog(TraceLevel.Error, message);
pMYEL }
;FQAL@"Yj 1`r
4 /// <summary>
9}iEEI /// 将警告信息记录到Win2000/NT事件日志中
uJA8PfbD /// <param name="message">需要记录的文本信息</param>
G/J5 aj[ /// </summary>
jn>3(GRGC$ public static void WriteWarning(String message)
BJ<hP9# {
G$}\~dD WriteLog(TraceLevel.Warning, message);
+'2Mj|d@p }
'W3>lAPx! ~t n*y4uK /// <summary>
uDay||7^g /// 将提示信息记录到Win2000/NT事件日志中
iUFS1SN \ /// <param name="message">需要记录的文本信息</param>
S=~[ 6;G /// </summary>
?<]BLkx public static void WriteInfo(String message)
!fZ\GOx {
O;9u1,%w WriteLog(TraceLevel.Info, message);
)~v`dwKj; }
Q4Zuz)r* /// <summary>
$[T^S /// 将跟踪信息记录到Win2000/NT事件日志中
[-_3Zr /// <param name="message">需要记录的文本信息</param>
"}!|V)K /// </summary>
!'w h hi public static void WriteTrace(String message)
z6]dF"N {
5,})x]'x WriteLog(TraceLevel.Verbose, message);
!?Gt5$f }
.LhIB? E^rKS&P /// <summary>
'FgBYy/ /// 格式化记录到事件日志的文本信息格式
@)1>ba /// <param name="ex">需要格式化的异常对象</param>
,dhJ\cQ~ /// <param name="catchInfo">异常信息标题字符串.</param>
jzI70+E /// <retvalue>
Oq@+/UWX /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
xHq"1Vs= /// </retvalue>
a\>+!Vq /// </summary>
DDQ}&`s public static String FormatException(Exception ex, String catchInfo)
px8988X {
C]414Ibi StringBuilder strBuilder = new StringBuilder();
]$Pl[Vegy if (catchInfo != String.Empty)
Z8E-(@`q5Q {
$s+/OgG4H strBuilder.Append(catchInfo).Append("\r\n");
Z<L}ur }
^MIF+/bQ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
+wc8rE6+W return strBuilder.ToString();
?!^ow5"8 }
)UbPG`x8 CX?q%o2b /// <summary>
pqe7a3jr /// 实际事件日志写入方法
3}dTbr4y /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
3.+TM]RYN /// <param name="messageText">要记录的文本.</param>
.2"-N5Z /// </summary>
})W9=xO~ private static void WriteLog(TraceLevel level, String messageText)
Rd'P\ {
60,z! Vv try
'L?e)u. {
n2}(Pt. EventLogEntryType LogEntryType;
v+Eub;m switch (level)
xfoQx_]$Im {
W*S}^6ZT` case TraceLevel.Error:
Ln:6@Ok)5% LogEntryType = EventLogEntryType.Error;
TOapq9B] break;
\]C_ul' case TraceLevel.Warning:
~_Q~AOFM LogEntryType = EventLogEntryType.Warning;
}Q$}LR@ break;
V=^B7a.;> case TraceLevel.Info:
4`yE'%6.} LogEntryType = EventLogEntryType.Information;
;)~}/nR<a break;
r$[`A_ case TraceLevel.Verbose:
}uZ/^_U. LogEntryType = EventLogEntryType.SuccessAudit;
|w5m2Z break;
!/nXEjW? default:
Hjhgu= LogEntryType = EventLogEntryType.SuccessAudit;
r{>Q{$Q break;
RW~!)^ }
[|".j#ZlK
I~T EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
w*?SGW //写入事件日志
U#V&=~- eventLog.WriteEntry(messageText, LogEntryType);
wZ4w`|' 5{/uHscwLa }
vB74r]'F catch {} //忽略任何异常
wE[gp+X~ }
P ~ :
N } //class ApplicationLog
RW{y.WhB }
p{
Xde b5Q|$E 12.Panel 横向滚动,纵向自动扩展
SzP`(}AU <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Hr_5N,
g.Tc>?~ 13.回车转换成Tab
<%o9*)F <script language="javascript" for="document" event="onkeydown">
xKR\w!+Z' if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
+7\d78U event.keyCode=9;
LZ34x: ,C </script>
.k:heN2-x 8`<e\g7- onkeydown="if(event.keyCode==13) event.keyCode=9"
NnH]c+ /#WvC;B 14.DataGrid超级连接列
T;G<62`.h DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
6r|=^3{ O1D|T"@ 15.DataGrid行随鼠标变色
oXjoQ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
- "NK"nb {
Oa2\\I
if (e.Item.ItemType!=ListItemType.Header)
AsD$M*It {
dz?On\66 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
X n8&&w" e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
,<N{Y[n]e }
SJ91(K }
o\F>K'
1fvN[ 16.模板列
O\CnKNk, <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
hq&| <ITEMTEMPLATE>
(dZ]j){ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
pdB\D </ITEMTEMPLATE>
j+fib} 8} </ASP:TEMPLATECOLUMN>
DK
eB%k hxzA1s%~ <ASP:TEMPLATECOLUMN headertext="选中">
*Y?oAVkz <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
#}Yrxf <ITEMTEMPLATE>
ufCpX>lNF <ASP:CHECKBOX id="chkExport" runat="server" />
Vpne-PW </ITEMTEMPLATE>
=&6sU{j* <EDITITEMTEMPLATE>
n$N$OFuO <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
^B0Qk:%P^N </EDITITEMTEMPLATE>
9/!1J </ASP:TEMPLATECOLUMN>
d)S`.Q 7Q]c=i cg 后台代码
:_y!p protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
'da
'WZG {
xL1Li]fM!' //改变列的选定,实现全选或全不选。
=Q{?! CheckBox chkExport ;
.b+ix=: if( CheckAll.Checked)
H0#=oJr$)W {
A+!,{G foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
"!D y[J {
ymyzbE chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
#GLW3} chkExport.Checked = true;
Yb-{+H8{J }
a/\{NHs6"5 }
:IU7dpwDl else
/W)A[jR {
EwX&Cj". foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
c\2rKqFD8 {
:^WF%X chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
u1L^INo/ chkExport.Checked = false;
^l|b>z"0ao }
A
$gn{ c }
Nwz?*~1 }
\OA{&G. ] re=8s6 17.数字格式化
S@qR~_>a #'q7 x 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
k1q/L|') <%#Container.DataItem("price","{0:¥#,##0.00}")%>
R`cP%7K s91[@rh/ int i=123456;
P2a5<#_| string s=i.ToString("###,###.00");
3}<U'%sd \O;2^ 18.日期格式化
X)[tb]U/Wx 8Rwk
o6x 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
,< x/ IgG[Pr'D 显示为: 2004-8-11 19:44:28
Zt!A!Afu +ODua@ULFB 我只想要:2004-8-11 】
Sy|GM~ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
n(J>'Z ]a4U\yr 应该如何改?
@|SeabN^- Bi:lC5d5? 【格式化日期】
Bz/Vzc( .how@>:P+ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
RJ{$`d g0tnt)] 【日期的验证表达式】
&/? Ct!_ v
49o$s4J A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
eo0-aHs ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
qh~bX
i! [34N/;5 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
@gD)pH ^\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]))$
{R!yw`#^B CJ\a7=*i 【大小写转换】
NS[eQ_rT HttpUtility.HtmlEncode(string);
A)&FcMO*z HttpUtility.HtmlDecode(string)
MjMDD _]`7et\= 19.如何设定全局变量
H2s:M 4k;FZo]S Global.asax中
ETdXk&AN mVZh_R=a Application_Start()事件中
" CT}34l gF{ehU% 添加Application[属性名] = xxx;
zeHF-_{ <