1. 打开新的窗口并传送参数:
? :A%$T wzcv[C-x 传送参数:
s!]QG response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
LG{50sP` $O fZp<M 接收参数:
.&Sjazk0XO string a = Request.QueryString("id");
0IHAoV60 string b = Request.QueryString("id1");
\5a;_N[Ed a=sd&](_ 2.为按钮添加对话框
Fr<tk^~/ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
T t_QAIl button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
,>nf/c0. I9nm$,i]7 3.删除表格选定记录
\K lY8\c[ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
+x?8\
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
};'~@%U]/ .R#<Q 4.删除表格记录警告
kt7Em b} private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
2+K-I {
Cd_H<8__ switch(e.Item.ItemType)
%fXgV\xY {
{@'#|]4y. case ListItemType.Item :
R <&U]%FD case ListItemType.AlternatingItem :
g3 !<A*< case ListItemType.EditItem:
]6MXG% TableCell myTableCell;
DZ:$p. myTableCell = e.Item.Cells[14];
=(bTS n LinkButton myDeleteButton ;
\_)mWK,h myDeleteButton = (LinkButton)myTableCell.Controls[0];
p77=~s myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
\ >#y*W< break;
Z4{N|h? default:
T:!H^ break;
j#l1KO^y }
fF5\\_, &Gm3 }
K]^Jl0 XAB/S8 e 5.点击表格行链接另一页
#8%~ u+"N private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
821
6_Qm {
[t*-s1cq //点击表格打开
@# .a5 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
roIc1Ax: e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
!nQoz^_`P }
bkm:#K 3qDuF 双击表格连接到另一页
D}2$n?~+ PpSQf14, 在itemDataBind事件中
R#ya9GN{ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
qg*xdefQ% {
xj5MKX{CJT string OrderItemID =e.item.cells[1].Text;
DtZ7UX\P ...
3'7X[{uBr e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
n0uL^{B }
^~3{n !F2JT@6 双击表格打开新一页
vJQ_mz if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>/.Ae8I) {
S@ItgG?X string OrderItemID =e.item.cells[1].Text;
TUQe.oAi ...
&}0#(Fa` e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
)>pIAYCVP }
C2L=i3R g&/r =U ★特别注意:【?id=】 处不能为 【?id =】
r90R~'5x9 6.表格超连接列传递参数
"&\]1A}Z-x <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
{!pYQ|# <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
x139Ckn BbgKaC q 7.表格点击改变颜色
.]; ` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
R1/mzPG {
2p*L~! iM e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
B^j(Fq this.style.color=’buttontext’;this.style.cursor=’default’;");
WmblY2 }
C-(O*hK xz}=C:s 写在DataGrid的_ItemDataBound里
LEAU3doK; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
LOk J {
1R#1Fy% e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Enhrkk this.style.color=’buttontext’;this.style.cursor=’default’;");
zbDK$g6 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
't475?bY }
:|=Xh"l" @[;$R@M_3 OuB[[L 8.关于日期格式
0}\8,U k[1w] l8 日期格式设定
ItG|{Bo DataFormatString="{0:yyyy-MM-dd}"
n&E/{o( "ZG2olOqLI 我觉得应该在itembound事件中
[t]q#+Zs e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
n%{oFTLCo Z}>+!Z 9.获取错误信息并到指定页面
)2bbG4:N |YrvY1d! 不要使用Response.Redirect,而应该使用Server.Transfer
VWMr\]g VS+5{w:t e.g
#o(@S{(NZ // in global.asax
+F^X1 protected void Application_Error(Object sender, EventArgs e) {
/$UWTq/C7
if (Server.GetLastError() is HttpUnhandledException)
l^v,X%{Iz Server.Transfer("MyErrorPage.aspx");
f/i[?
gw \>e>J\t: //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
deutY.7g }
T{Yk/Z/}? *35o$P46 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
31mlnDif rmdG"s 10.清空Cookie
^K!R4Y4t Cookie.Expires=[DateTime];
;Y$d!an0 Response.Cookies("UserName").Expires = 0
)GJlQ1x tsf!Q 11.自定义异常处理
w)Y}hlcq //自定义异常处理类
D^w<V%]. using System;
2/l4,x using System.Diagnostics;
d)v!U+-|' WZ
,t~TN namespace MyAppException
>V@,K z1 {
w%kaM= /// <summary>
~tqNxlA /// 从系统异常类ApplicationException继承的应用程序异常处理类。
dkOERVRe /// 自动将异常内容记录到Windows NT/2000的应用程序日志
w6'8L s /// </summary>
o6S`7uwJ*/ public class AppException:System.ApplicationException
@Hst-H.l<l {
+/Vzw public AppException()
C]
|m|` {
$)7Af6xD if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
2spK#0n.HV }
CfHPJ:Qo[ 'h{DjNSM
public AppException(string message)
[.4D<}e {
V(n3W=#kky LogEvent(message);
eRIdN(pP }
9q"G g? h>"Z=y public AppException(string message,Exception innerException)
*9}~?#b {
Ky'\t7p u LogEvent(message);
1)!]zV if (innerException != null)
,+RoJwi m {
L9 H.DNA LogEvent(innerException.Message);
CIf""gL9 }
Xd9<`gu }
W7
9.,# KnYHjJa //日志记录类
z';h5GNd>z using System;
BsN~Z!kd using System.Configuration;
uszMzO~ using System.Diagnostics;
Redxg. P using System.IO;
^s?i&K,! using System.Text;
@#| R{5=+ using System.Threading;
F2["Ak NM "4i_} namespace MyEventLog
(OHd} YQ {
DT#Z6A /// <summary>
u9dL-Nr` /// 事件日志记录类,提供事件日志记录支持
JPS<e*5 /// <remarks>
2)>Ty4* /// 定义了4个日志记录方法 (error, warning, info, trace)
LY(h>` /// </remarks>
zy[|4Q(? /// </summary>
tqK}KL public class ApplicationLog
2&U<Wiu\} {
Px"K5c* /// <summary>
}ilX
2s?> /// 将错误信息记录到Win2000/NT事件日志中
:a9$f8*b /// <param name="message">需要记录的文本信息</param>
WWWfQ_u2 /// </summary>
F84?Mi{r2 public static void WriteError(String message)
, MU9p* {
$6\W8v WriteLog(TraceLevel.Error, message);
Jl,\^)DSw }
]mvVX31T 9i#K{CkC| /// <summary>
-X#qW"92q /// 将警告信息记录到Win2000/NT事件日志中
fT_swhIO /// <param name="message">需要记录的文本信息</param>
n0kkUc-`
/// </summary>
g3,F+ public static void WriteWarning(String message)
.Dg'MMBM {
x$tzq+N WriteLog(TraceLevel.Warning, message);
JZrUl^8E }
v4wXa:CJ N_>}UhZ /// <summary>
1oIu~f{` /// 将提示信息记录到Win2000/NT事件日志中
7q: /// <param name="message">需要记录的文本信息</param>
M;qV%
k /// </summary>
(3Z~EIZz public static void WriteInfo(String message)
9
!qVYU42( {
^o*$+DbC WriteLog(TraceLevel.Info, message);
"Q<*H<e }
_7w2E /// <summary>
yj{:%Km:` /// 将跟踪信息记录到Win2000/NT事件日志中
$Uxg$p qO /// <param name="message">需要记录的文本信息</param>
T2MX_rt#D /// </summary>
WP0{% public static void WriteTrace(String message)
H0i\#)Xs {
o M#S.f? WriteLog(TraceLevel.Verbose, message);
^7~w yAr }
MOW {g\{\ wH[}@ w /// <summary>
- dt<w;>W /// 格式化记录到事件日志的文本信息格式
:7Q,
`W9 /// <param name="ex">需要格式化的异常对象</param>
|qsY0zx /// <param name="catchInfo">异常信息标题字符串.</param>
Nm/Fc /// <retvalue>
?YbZVoD)J /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
*npe]cC /// </retvalue>
Y^f12% /// </summary>
Gk5SG_o public static String FormatException(Exception ex, String catchInfo)
%;9+`U {
r#[YBaCZJ StringBuilder strBuilder = new StringBuilder();
/q8?xP. if (catchInfo != String.Empty)
>w=xGb7 {
7'xds strBuilder.Append(catchInfo).Append("\r\n");
,W/D 0 }
CVFsp>+ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
vmXY}Ul return strBuilder.ToString();
F I\V6\B/ }
VG`A* Vj
>zDnJb&"& /// <summary>
o<-+y\J8K /// 实际事件日志写入方法
D`^9
u
K /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
?V&[U /// <param name="messageText">要记录的文本.</param>
+(<}`!9M* /// </summary>
~X
-.@k' private static void WriteLog(TraceLevel level, String messageText)
L~FE;*>7 {
g#ONtY@*U try
F-n1J?4b {
9jwo f}OU EventLogEntryType LogEntryType;
?RD)a`y51 switch (level)
)(pJ~"'L {
%C[ ;& case TraceLevel.Error:
&j7l#Urq LogEntryType = EventLogEntryType.Error;
Kv:ih=? break;
Zb7:qe<UN case TraceLevel.Warning:
aJ Du_ LogEntryType = EventLogEntryType.Warning;
RFu]vFff break;
c!%:f^7g case TraceLevel.Info:
BDg6ZI<n LogEntryType = EventLogEntryType.Information;
o*u A+7n break;
[]M+(8Z_P case TraceLevel.Verbose:
uv[e0,@ LogEntryType = EventLogEntryType.SuccessAudit;
G#4cWn' break;
%j=,c{`Q default:
7>m#Y'ppl@ LogEntryType = EventLogEntryType.SuccessAudit;
+6{KrREX) break;
ngJES`0d }
VRoeq { $*H>n!& EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
r(yb%p+ //写入事件日志
S-h1p` eventLog.WriteEntry(messageText, LogEntryType);
+:d))r=n Om0S^4y]x }
VMW?[j catch {} //忽略任何异常
;.h5; `& }
4>^ %_Xj[ } //class ApplicationLog
2g^Kf,m }
AsM""x1Ix hGF(E* 12.Panel 横向滚动,纵向自动扩展
sh?Dxodp9 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
N3H!ptn37 x9HA^Rj4- 13.回车转换成Tab
&w3LMOT <script language="javascript" for="document" event="onkeydown">
T+2I:W% if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~4*9w3t
event.keyCode=9;
q6{ %vd </script>
p$@=N6)I.k GKPqBi[rO onkeydown="if(event.keyCode==13) event.keyCode=9"
_wf"E(c3D 9bXU!l[ 14.DataGrid超级连接列
|P2GL3NR DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
^ :Q |,oy '
n~N*DH 15.DataGrid行随鼠标变色
=k`(!r2"# private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
6SsZK)X {
DD'<zL[ if (e.Item.ItemType!=ListItemType.Header)
W.n@ {
R< xxwjt e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
a(8]y.`Tv e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
G$4lH>A& }
'eqvK|Uj: }
4aB`wA^x Y@u{73H 16.模板列
Li=l/ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
!HDk] <ITEMTEMPLATE>
qTyU1RU$9^ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
^m8\fCA* </ITEMTEMPLATE>
qr=U=oK </ASP:TEMPLATECOLUMN>
4[.-
a&!} Z/uRz]Hi <ASP:TEMPLATECOLUMN headertext="选中">
S,S_BB<Y[b <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
7!JoP?! <ITEMTEMPLATE>
6aQ{EO-]'= <ASP:CHECKBOX id="chkExport" runat="server" />
jO:<"l^+u </ITEMTEMPLATE>
}+ #ag:M <EDITITEMTEMPLATE>
,-DE;l^Q= <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
JEBo!9 </EDITITEMTEMPLATE>
"Jnq~7] </ASP:TEMPLATECOLUMN>
B?Y%y@. p|Rxy"} 后台代码
P!YT{} protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
G';oM;~/| {
ieS5*@^k //改变列的选定,实现全选或全不选。
q}BQu@'H CheckBox chkExport ;
.FHOOw1r= if( CheckAll.Checked)
",8h>eEWK {
#0Oqw=F foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
V|? {
F<-Pbtw chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
PLo.q|% chkExport.Checked = true;
Z*]n]eS }
_TQt!Re`, }
~?b(2gn else
YBS]JCO {
J;q3
fa foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
]P<&CEk {
/e{Oqhf[n chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
( v
~/glf chkExport.Checked = false;
Z^GriL }
A7b7IM [ }
aeBth{ }
4VU5}"< ~Nc]`95 17.数字格式化
"hlIGJ?_= ^<|If:| 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
bR&hI9`%F <%#Container.DataItem("price","{0:¥#,##0.00}")%>
c@nl;u)n X?7$JV-: int i=123456;
U;V. +onv string s=i.ToString("###,###.00");
[sKdIw_ (vj2XiO^+ 18.日期格式化
zLh ~x rX{|]M":T 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
=h_4TpDQ ^*{xTB57 显示为: 2004-8-11 19:44:28
@#Xzk?+ Ha+FH8rZ 我只想要:2004-8-11 】
D *LZ_ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
&aF_y_f\ ]&G5/]f 应该如何改?
HZK0Ldf ?4lAL 【格式化日期】
nM0nQ{6 G0]n4"~+? 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
10}Zoq|)n *!s4#|h 【日期的验证表达式】
z~VA#8> -O_UpjR; A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
!w)Mm P Xb ^((\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})))?$
@$nI\n?* Gg.w-& B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
v"F0$c ^\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]))$
{YGz=5 ^ ?Y hua9 【大小写转换】
VhW;=y>} HttpUtility.HtmlEncode(string);
/d{L]*v)] HttpUtility.HtmlDecode(string)
+qz)KtJS 9lD,aOb 19.如何设定全局变量
~hxB Pn." q]r!5&Z