1. 打开新的窗口并传送参数:
a!&<jM <Ug1g0. 传送参数:
CSzu$Hnq response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
! ^aJS'aq Jb|dpu/e 接收参数:
@f#6Nu string a = Request.QueryString("id");
X|Nb81M string b = Request.QueryString("id1");
=_$Hn>vO G#. q%Up 2.为按钮添加对话框
$F@ ,,* Button1.Attributes.Add("onclick","return confirm(’确认?’)");
QOv@rP/ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
VP }To A ?[Wfq| 3.删除表格选定记录
^5R2~ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
O~5*X f string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
MVDy|i4 X(;WY^i! 4.删除表格记录警告
<@>l9_=R private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
}4q1"iMlO {
<SSkCw switch(e.Item.ItemType)
Md*.q^: {
1(WBvAPS case ListItemType.Item :
5?>ES* case ListItemType.AlternatingItem :
>UXNR`? case ListItemType.EditItem:
N LSJ
D TableCell myTableCell;
j^m pkv<P myTableCell = e.Item.Cells[14];
Pu,2a+0N LinkButton myDeleteButton ;
oUL4l=dj. myDeleteButton = (LinkButton)myTableCell.Controls[0];
3
5p)e c myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
TV?MB(mN break;
~Vf
A default:
iE^=Vf; break;
T:*l+<? }
lB |+Tq[5&R }
3yLJWHO%W B|r' 5.点击表格行链接另一页
?DKY;:dZF private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3 ]pHc)p!. {
MAL;XcRR //点击表格打开
CEBa,hp@ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
e. R9: e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
a[E}o<{ }
V}Ce3wgvA qTe@?j 双击表格连接到另一页
rXq{WS` BCh|^Pk 在itemDataBind事件中
@iN"]GFjS if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_[/#t|I} {
H4<Q}([w string OrderItemID =e.item.cells[1].Text;
~,.;2K73 ...
N t\ZM e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
dd*p_4; }
^95njE`>t` W"&,=wvg2 双击表格打开新一页
xL"O~jTS if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\85~~v@ {
rl]K:8* string OrderItemID =e.item.cells[1].Text;
|^"0bu" ...
`i<Z<
<c> e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
<jBRUa[j_ }
Z}.ZTEB ;RYIc0% ★特别注意:【?id=】 处不能为 【?id =】
z7TyS.z 6.表格超连接列传递参数
n/S+0uT <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
}
| <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
ilAhw4A 6"R'z#{OF 7.表格点击改变颜色
9dWz3b1[] if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
',/2J0_ {
Nnq1&j"m e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
AWJA? this.style.color=’buttontext’;this.style.cursor=’default’;");
}_5 R9w]" }
Udq!YXE0 \>X!n2rLZe 写在DataGrid的_ItemDataBound里
h}kJ,n if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
[v\m)5 {
<~uzKs0 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
ILqBa:J this.style.color=’buttontext’;this.style.cursor=’default’;");
(>NZYPw^3 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
aemi;61T\ }
<y?=;54a `evF?t11X &xUD( 8.关于日期格式
qHvUBx0 Sa
kew 日期格式设定
u1=K#5^ DataFormatString="{0:yyyy-MM-dd}"
b'Km-'MtH "p7nngn~ 我觉得应该在itembound事件中
U_l9CZ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
ZJ.an%4 DTSf[zP/ 9.获取错误信息并到指定页面
6q6xqr:W keFH
CC 不要使用Response.Redirect,而应该使用Server.Transfer
2t
PfIg >##Z}auY e.g
K6sXw[VC[ // in global.asax
L#zD4L protected void Application_Error(Object sender, EventArgs e) {
=E<H_cUS if (Server.GetLastError() is HttpUnhandledException)
LD1&8kJ*l Server.Transfer("MyErrorPage.aspx");
s^K2,D]P : ^("L,AF //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
=4l @A> }
*UJ4\ `G_~zt/ 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
%S'+x[4W o]RZd--c< 10.清空Cookie
EO~L.E%W Cookie.Expires=[DateTime];
>0W
P:-\* Response.Cookies("UserName").Expires = 0
gdA2u;q w jD<"p;P 11.自定义异常处理
Q;g7<w17 //自定义异常处理类
9@yF7 using System;
D>-r ` using System.Diagnostics;
x7U=1y(
\2e^x namespace MyAppException
c!/+0[ {
X6r0+D5AvB /// <summary>
6(rN(C /// 从系统异常类ApplicationException继承的应用程序异常处理类。
?_i>Kx /// 自动将异常内容记录到Windows NT/2000的应用程序日志
%9a3$OGZX /// </summary>
BdF/(Pg public class AppException:System.ApplicationException
yCvtglAJ4 {
S#?2E8 public AppException()
XUA@f* {
(D) KU9B> if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
5l
3PAG
}
5a$EXV [`t ;or public AppException(string message)
C5 Q!_x( {
)iQ^HZ LogEvent(message);
Rd5_{F }
66,(yxg fg3Jv* public AppException(string message,Exception innerException)
c|;n)as9(% {
.8u@/f%pV LogEvent(message);
#Uu,yHMv:; if (innerException != null)
.JXEw%I@ {
?'z/S5&j LogEvent(innerException.Message);
CV.|~K0O }
&h5Y_no GX }
Xt<1b lz~^*\ F //日志记录类
:sJ7Wok6~ using System;
nOvR, 6 using System.Configuration;
_ERtL5^ using System.Diagnostics;
rB$~,q&.V using System.IO;
j2<+[h- using System.Text;
C2"^YRN, using System.Threading;
|HD>m'e P:4"~]} namespace MyEventLog
3NLn} {
g"1V] /// <summary>
iX]OF.: /// 事件日志记录类,提供事件日志记录支持
.Y;f9R /// <remarks>
_ZK^JS /// 定义了4个日志记录方法 (error, warning, info, trace)
6dR+qJa6i /// </remarks>
qBX_v5pvVA /// </summary>
'-YiV public class ApplicationLog
QQ .?A(U7 {
<&l$xn /// <summary>
MmN{f~Kq9 /// 将错误信息记录到Win2000/NT事件日志中
#0aBQ+_8H /// <param name="message">需要记录的文本信息</param>
eTvWkpK+ /// </summary>
['=O>YY public static void WriteError(String message)
t.28IHJ {
<-`.u` WriteLog(TraceLevel.Error, message);
,bl }@0A }
vS>'LX {x_.QWe5 /// <summary>
1"ZtE\{
" /// 将警告信息记录到Win2000/NT事件日志中
hhy+bA} /// <param name="message">需要记录的文本信息</param>
@/.#
/ /// </summary>
[g/D<g5O public static void WriteWarning(String message)
v"o"W[ {
n9+33^ PT WriteLog(TraceLevel.Warning, message);
~4{q }
V2Vr7v=Y" 5;/n`Bd /// <summary>
g%f5hy /// 将提示信息记录到Win2000/NT事件日志中
(w hl1 /// <param name="message">需要记录的文本信息</param>
t^~vi'bB /// </summary>
e.n(NW public static void WriteInfo(String message)
"=Br&FN{| {
Q%JI-&K WriteLog(TraceLevel.Info, message);
CLrX!JV> }
?7aZU /// <summary>
DO*U7V02 /// 将跟踪信息记录到Win2000/NT事件日志中
sE% $]Jp /// <param name="message">需要记录的文本信息</param>
W\~^*ny
P6 /// </summary>
,IjZQ53q~ public static void WriteTrace(String message)
\0b}Z#'0 {
f,cd=vGj WriteLog(TraceLevel.Verbose, message);
P }sr }
*H
Qc I- u1%URen[x /// <summary>
^9[Q;=R /// 格式化记录到事件日志的文本信息格式
xak)YOLRV /// <param name="ex">需要格式化的异常对象</param>
e?]5q ez /// <param name="catchInfo">异常信息标题字符串.</param>
y!#-[K: /// <retvalue>
9=>fx /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
eO!9;dJ /// </retvalue>
1#A$&'&\J; /// </summary>
53])@Mmus public static String FormatException(Exception ex, String catchInfo)
8z#Qp(he {
q Q\j StringBuilder strBuilder = new StringBuilder();
'k,2*.A if (catchInfo != String.Empty)
Q1,sjLO-a {
WA`A/`taT strBuilder.Append(catchInfo).Append("\r\n");
Y$=jAN }
+X=*>^G(- strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
dht0PZdx? return strBuilder.ToString();
%\m"Yi] }
yq%5h[M &jP1Q3 /// <summary>
5'} V`?S /// 实际事件日志写入方法
N[e,){v /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
|\,OlX, /// <param name="messageText">要记录的文本.</param>
$'J3
/C7 /// </summary>
sey,J5? private static void WriteLog(TraceLevel level, String messageText)
za_b jE {
G !q[NRu try
X94a {
UY',n, EventLogEntryType LogEntryType;
YZol4q|ic switch (level)
|b {
E/zf9\ case TraceLevel.Error:
1R2IlUlzFr LogEntryType = EventLogEntryType.Error;
Met]|& break;
y)G-6sZ/ case TraceLevel.Warning:
-> cL) LogEntryType = EventLogEntryType.Warning;
>P/36' break;
k#].nQG
case TraceLevel.Info:
QZzamT)" LogEntryType = EventLogEntryType.Information;
9wvlR6z;u break;
2cMCZuO case TraceLevel.Verbose:
r_T)|||v LogEntryType = EventLogEntryType.SuccessAudit;
R/vHq36d break;
RzEzNV default:
b#VtPn] LogEntryType = EventLogEntryType.SuccessAudit;
[9; @1I<x break;
^hIdmTf6 }
/(dP)ysc Su#0F0 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
/F0q8j0 //写入事件日志
Tq1\ eventLog.WriteEntry(messageText, LogEntryType);
5hrI#fpOR H"A%mrb }
>e;-$$e catch {} //忽略任何异常
qRt! kWW }
+?_!8N8 } //class ApplicationLog
^b8~X [1J_ }
@oXGa>Ru 5ya9VZ5# 12.Panel 横向滚动,纵向自动扩展
9K+>;` <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
5UEZpxnv /v{+V/'+ 13.回车转换成Tab
&2tfj(ms <script language="javascript" for="document" event="onkeydown">
a|ufm^F if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
g) X3:=[' event.keyCode=9;
/fI}QY1 </script>
1dH|/9 ^? fOccfQ{ onkeydown="if(event.keyCode==13) event.keyCode=9"
|2(q9j cn'>dz3v 14.DataGrid超级连接列
RZa/la* DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
]M?i:A$B 2dn^K3 15.DataGrid行随鼠标变色
_#8hgwf> private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
aacy5E {
pjeNBSu6 if (e.Item.ItemType!=ListItemType.Header)
sZ `Tv[ {
AxEyXT( h5 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
&G{GLP?H e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&o:5lxR{ }
#ArrQeO 5_ }
r4yz{^G
T ,lM(2S[ 16.模板列
}3Es&p$9 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Z\!,f.>g <ITEMTEMPLATE>
D!j/a!MaKk <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
xl}rdnf} </ITEMTEMPLATE>
S=@+qcI </ASP:TEMPLATECOLUMN>
}k^uup*{ il0K ^i <ASP:TEMPLATECOLUMN headertext="选中">
O. * 0;5 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
(v]%kXy/G <ITEMTEMPLATE>
_4S^'FDo
<ASP:CHECKBOX id="chkExport" runat="server" />
@r"\bBi </ITEMTEMPLATE>
`+H=3`}X <EDITITEMTEMPLATE>
A7p4M?09 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
jv)+qmqo! </EDITITEMTEMPLATE>
bvox7V> </ASP:TEMPLATECOLUMN>
"HOZ2_(o Sn=6[RQ>P 后台代码
3smkY protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
T4eJ:u* ; {
I68u%fCv //改变列的选定,实现全选或全不选。
BA;r%?MRL CheckBox chkExport ;
wh:;G`6S if( CheckAll.Checked)
r%,?uim# {
hRkCB foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
4]d^L> {
#xIg(nG chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Liqo)m chkExport.Checked = true;
]c(FgYc }
is.t,&H4P] }
{oQs*`=l> else
2yN!yIPR {
-&/?&{Q0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
U:7h>Z0W {
>"W^|2R chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
o}N@Q-i gq chkExport.Checked = false;
4n,&,R r# }
K?.~}82c }
&PMQ]B }
[gW eD :jiEn
y 17.数字格式化
}">r0v!3 Ycr3$n]e 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
VU3RFl <%#Container.DataItem("price","{0:¥#,##0.00}")%>
x ;DoQx *>m[ZJd %= int i=123456;
~Ztn(1N string s=i.ToString("###,###.00");
+k`L8@a3& KzHN|8$o 18.日期格式化
[LVXXjkFI (5T>`7g8 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
2?,Jn&i5 m6Dm1'+ 显示为: 2004-8-11 19:44:28
@c~Z0+Ji ing'' _ 我只想要:2004-8-11 】
o "z()w~ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
u>>|ZPe 3vrVX<_ 应该如何改?
%\'=Y/yP ;c 7I "?@z 【格式化日期】
prJd' ne#dEUD 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
'|C%X7 !Dd'*ee-; 【日期的验证表达式】
rto?*^N? HUKrp*Hv A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
EX)&|2w
^((\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})))?$
"P !
.5B PT>b%7Of B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
1_Yx]%g< ^\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]))$
((M,6Q}
Zkp~qx 【大小写转换】
F^l1WX6 HttpUtility.HtmlEncode(string);
W8W7<ml0A HttpUtility.HtmlDecode(string)
>a"J);p ()lgd7|+ 19.如何设定全局变量
EjP;P}_iK r S@/@jKZE Global.asax中
[6VB& Z`TfS+O6 Application_Start()事件中
1/$PxQ -2hirA<^ 添加Application[属性名] = xxx;
c>bns/f b9H(w%7ucU 就是你的全局变量
:82T! #:6-O 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
7Ae`>5B# 9p_?t'&>q HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
s&73g0$$ (~~m 8VJ> 【ASPNETMENU】点击菜单项弹出新窗口
w:\} B'u !5,C"r 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
y
4i3m(S <?xml version="1.0" encoding="GB2312"?>
R ]Ev=V'U <MenuData ImagesBaseURL="images/">
fe\lSGmf <MenuGroup>
:9&