1. 打开新的窗口并传送参数:
D2<fw# E.r>7`E 传送参数:
"8c@sHk(w response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
NgADKrDU (*Z)(O*z 接收参数:
@>d*H75 string a = Request.QueryString("id");
bHPYp5UwN string b = Request.QueryString("id1");
NhfJ30~ !Nu<xq@! 2.为按钮添加对话框
{!.(7wV\ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
{HL3<2=o button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
_p#CwExuy l,R/Gl 3.删除表格选定记录
FYOD
Upn int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
pM^9c7@!: string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
3;)>Fs; D;oe2E{I 4.删除表格记录警告
P7J>+cm private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
S\''e`Eb"5 {
#hW;Ju73 switch(e.Item.ItemType)
iDN;m`a {
8;z6=.4xtg case ListItemType.Item :
YCdS!&^UN case ListItemType.AlternatingItem :
;lq;X{/ case ListItemType.EditItem:
=7-9[ { TableCell myTableCell;
j;%-fvd; myTableCell = e.Item.Cells[14];
-#0qV:D LinkButton myDeleteButton ;
W@ T~ly;e* myDeleteButton = (LinkButton)myTableCell.Controls[0];
A:>01ZJ5S+ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
ie;]/va break;
~Cl){8o default:
m*ISa(#(, break;
+)k b( }
,^?^dB 6^%UU
o% }
09dK0H3( ^=C{.{n 5.点击表格行链接另一页
cYFiJJLG] private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(>F%UY {
|B.0TdF //点击表格打开
aki_RG>U' if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\x)n>{3C e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
c05TsMF&O }
7Ok;Lt!x iDMJicW!+F 双击表格连接到另一页
I*LknU@ TS /.`.gT 在itemDataBind事件中
I'PeN0T
f if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8'~[pMn` {
, 3,gG" string OrderItemID =e.item.cells[1].Text;
.^N/peUq ...
@[5xq e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
J%x6 }
xm%Um\Pb7 =jlt5 z 双击表格打开新一页
VGtC)mG8) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&Ts-a$Z7?S {
O_$m!5ug string OrderItemID =e.item.cells[1].Text;
zV:pQRbt. ...
&$"i,~q^b e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Xg<*@4RD8 }
SeHagKA 9l}FU$ ★特别注意:【?id=】 处不能为 【?id =】
t0z!DOODZP 6.表格超连接列传递参数
~(x;5{ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
T;@;R% <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
/E
Bo3` !
vP[;6 7.表格点击改变颜色
[PQ?#:r if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0|2%vh >J {
{S,l_d+( e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
) _mr! z(S this.style.color=’buttontext’;this.style.cursor=’default’;");
Yiry["[]Q }
b`)){LR V2$h8\a 写在DataGrid的_ItemDataBound里
V+Cwzc^j if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
/J04^6 {
BDVHol*g e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
4Fp0ZVT this.style.color=’buttontext’;this.style.cursor=’default’;");
,Vh.T&X5 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
\]P!.}nX# }
t<~ $ `kbSu} fRy^Q_~, 8.关于日期格式
YhOlxON F;=4vS]\ 日期格式设定
^xh}I5 DataFormatString="{0:yyyy-MM-dd}"
g)s{IAVx '|S%aMLZ) 我觉得应该在itembound事件中
vFE;D@bz: e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
}e2(T }b=}uiR# 9.获取错误信息并到指定页面
%CS@g.H=_ tjGd ) 不要使用Response.Redirect,而应该使用Server.Transfer
)Psb>'X {]E+~%Va e.g
#ggf' QIHp // in global.asax
)dY=0"4Z protected void Application_Error(Object sender, EventArgs e) {
w"OP8KA:^T if (Server.GetLastError() is HttpUnhandledException)
AZa6Cw Server.Transfer("MyErrorPage.aspx");
]4R[<<hd kGd<5vCs //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
.A-]_98Z }
M7ers|&{ 0PU8#2pR 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
([-|} qZ}P*+`Q 10.清空Cookie
deM7fN4lTi Cookie.Expires=[DateTime];
aYuD>rD Response.Cookies("UserName").Expires = 0
" R-!(9k^` OiE;B 11.自定义异常处理
TjHwjRa //自定义异常处理类
,0E{h}( using System;
UW9?p}F using System.Diagnostics;
3}@_hS"^8 iC W*]U namespace MyAppException
6oLwfTy {
(9<guv /// <summary>
Q$:![}[( /// 从系统异常类ApplicationException继承的应用程序异常处理类。
wk6NG/< /// 自动将异常内容记录到Windows NT/2000的应用程序日志
;9~6_@,@o /// </summary>
yU8{i&w4 public class AppException:System.ApplicationException
G:pEE:W[ {
U$
F{nZ1 public AppException()
9lGOWRxR) {
jM$`(Y if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
tID%}Z v }
&}?$i7x5 ;5tazBy&:C public AppException(string message)
qTAc[Ko {
~mO62(8m LogEvent(message);
INkD=tX }
wE@'ap# lW(px^&IN public AppException(string message,Exception innerException)
'=1KVE^Fk {
[@Q_(LQ-U LogEvent(message);
-
/(s#D if (innerException != null)
}|5VRJA {
-S$1Yn LogEvent(innerException.Message);
05snuNt]- }
*P 3V }
?V}j`r8|\4 .\8X[%K9nc //日志记录类
x7vctjM| using System;
!2z?YZhu using System.Configuration;
?gPKcjgoH! using System.Diagnostics;
zfwS using System.IO;
rHf&:~ using System.Text;
!!4Qj using System.Threading;
cuK,X!O 9elga"4:' namespace MyEventLog
`E!N9qI?t$ {
!^v5-xO?rP /// <summary>
ZkIgL /// 事件日志记录类,提供事件日志记录支持
uA$<\fnz /// <remarks>
0vVV%,v /// 定义了4个日志记录方法 (error, warning, info, trace)
@^;j)%F} /// </remarks>
lip[n;Ir> /// </summary>
M@3"<[g public class ApplicationLog
!q-f9E4` {
,o^y`l /// <summary>
f>s?4 /// 将错误信息记录到Win2000/NT事件日志中
}?&k a$rI /// <param name="message">需要记录的文本信息</param>
TLd `1Ac /// </summary>
PG8^.)]M public static void WriteError(String message)
<\0vR20/ {
'{[5M!B WriteLog(TraceLevel.Error, message);
Y3h/~bM% }
'S2bp4G *26334B.R /// <summary>
"+zCS|
/// 将警告信息记录到Win2000/NT事件日志中
4QIE8f
Y /// <param name="message">需要记录的文本信息</param>
*=fr8 /// </summary>
.i^7|o: public static void WriteWarning(String message)
sHc Td>xS {
`fNG$ODL WriteLog(TraceLevel.Warning, message);
11|Rdd+} }
PlYm& L{E^?iX /// <summary>
wBQF~WY /// 将提示信息记录到Win2000/NT事件日志中
*xE,sj+( /// <param name="message">需要记录的文本信息</param>
>|6iR%"f# /// </summary>
.))v0 public static void WriteInfo(String message)
+525{Tj {
G&;j6<h l WriteLog(TraceLevel.Info, message);
+dBz`WD }
,-+"^> /// <summary>
7 Sa1;%R /// 将跟踪信息记录到Win2000/NT事件日志中
`MEYd U1 /// <param name="message">需要记录的文本信息</param>
&20P,8@ /// </summary>
U!XS;a) public static void WriteTrace(String message)
D0mI09=GtQ {
`:O\dN>ON WriteLog(TraceLevel.Verbose, message);
l{VSb92f }
(_r EAEo ^E6d`2w- /// <summary>
W23]Bx /// 格式化记录到事件日志的文本信息格式
q!f1~ aG /// <param name="ex">需要格式化的异常对象</param>
h;V,n /// <param name="catchInfo">异常信息标题字符串.</param>
b dJ+@r /// <retvalue>
CC;! <km /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
4f~["[*ea /// </retvalue>
]NhS=3*i+ /// </summary>
|wox1Wt|E public static String FormatException(Exception ex, String catchInfo)
-Q;#sJ? {
!:LJzROh StringBuilder strBuilder = new StringBuilder();
T\VNqs@ if (catchInfo != String.Empty)
x90jw$\%7 {
*?yJkJ" strBuilder.Append(catchInfo).Append("\r\n");
5cK@WE: }
Px5t,5xT8 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
'SLE;_TD return strBuilder.ToString();
\Hqc9&0 }
n:U>Fj>q 0Q5 93F /// <summary>
nK3k]gLc{ /// 实际事件日志写入方法
7&O`p(j /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
)4xu^=N&as /// <param name="messageText">要记录的文本.</param>
%~j2 ('Y /// </summary>
6|J'>) private static void WriteLog(TraceLevel level, String messageText)
a;$P:C{gj? {
&V7>1kD3 try
IMQ]1uq0$ {
dSIH9D EventLogEntryType LogEntryType;
U-0#0} _ switch (level)
HNa]H;-+5 {
NYABmI/0c case TraceLevel.Error:
ig 0u^BC LogEntryType = EventLogEntryType.Error;
Q36)7=at break;
iA!7E;o case TraceLevel.Warning:
:L0/V~D LogEntryType = EventLogEntryType.Warning;
Ni*Wz*o break;
4c~>ci,N?( case TraceLevel.Info:
OMihXt[ LogEntryType = EventLogEntryType.Information;
Uz%Z&K break;
$R8w+ Id case TraceLevel.Verbose:
ZX
b}91rzt LogEntryType = EventLogEntryType.SuccessAudit;
-Uo?WXP]B' break;
o@lWBfB*%e default:
5 waw`F LogEntryType = EventLogEntryType.SuccessAudit;
,]Zp+>{
break;
}8'&r(cN4 }
>+cVs: <Wl(9$ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
,/&Zw01dGN //写入事件日志
d0er^ ~ eventLog.WriteEntry(messageText, LogEntryType);
%u p}p/? __p_8P }
V'Qn sI catch {} //忽略任何异常
$e\N+~KNCy }
%@ mGK8 } //class ApplicationLog
kvsA]tK. }
v7trr W} AyE\fY5 12.Panel 横向滚动,纵向自动扩展
&h$|j <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
ned2lC&'d> ED![^= 13.回车转换成Tab
ARh6V&Hi- <script language="javascript" for="document" event="onkeydown">
OQlG+| if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
KA]*ox6j; event.keyCode=9;
yno(' 1B@ </script>
E@QA". 6k])Kl J2; onkeydown="if(event.keyCode==13) event.keyCode=9"
4ax|Vb)D TbE:||r?^ 14.DataGrid超级连接列
w,.qCp T$_ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
ySdN;d:q #Gv{UU$] 15.DataGrid行随鼠标变色
d<o.o?Vc private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;5|1M8]=0 {
`T!#@&+ if (e.Item.ItemType!=ListItemType.Header)
sLcY,AH {
Y'"N"$n'_ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
v:ER4 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
_; ]e@ }
,ul5,ygA }
0x)dnq\ v%{0 Tyk 16.模板列
p{;i& HNdp <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
yOHXY& <ITEMTEMPLATE>
0=U70nKr <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
S0@T0y# </ITEMTEMPLATE>
LZ~`29qw( </ASP:TEMPLATECOLUMN>
~o15#Pfn/ iL?iz?+.%@ <ASP:TEMPLATECOLUMN headertext="选中">
L&w.j0fq <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
=_=*OEgO] <ITEMTEMPLATE>
*:_~Nn9_R; <ASP:CHECKBOX id="chkExport" runat="server" />
W=-|` </ITEMTEMPLATE>
y62%26 [ <EDITITEMTEMPLATE>
@Jv# fr <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
!Rw&DFU </EDITITEMTEMPLATE>
8:g!w:$x </ASP:TEMPLATECOLUMN>
-wr(vE, FRyPeZR 后台代码
r4knN
2: protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
f{Q p {
]W9B6G_ //改变列的选定,实现全选或全不选。
9R]](g# CheckBox chkExport ;
$iMC/Kym if( CheckAll.Checked)
ku.A|+Tn {
o'UHStk foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
ubGs/Vzye {
cx(2jk}6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Gbb\h chkExport.Checked = true;
INNAYQ }
f]_mzF=& }
w7Dt1axB else
G%hO\EO {
wly>H]i' foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
8$~3r a {
jUY+3"?
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
( tn<
VK. chkExport.Checked = false;
h`?k.{})M }
!$kR ;Q"/ }
jXcNAl }
|`]oc,1h@ O~'FR[J 17.数字格式化
_X%Dw yq*JdTF 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
fi=?n{e' <%#Container.DataItem("price","{0:¥#,##0.00}")%>
H-&3} <aVfJd/fT int i=123456;
YN#XmX% string s=i.ToString("###,###.00");
:WX0,-Gn WN0c%kz= 18.日期格式化
;QPy:x3 nPf'ee 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
,f<B}O ^
KAG|r9 显示为: 2004-8-11 19:44:28
(+MC<J/i f)Y 我只想要:2004-8-11 】
VD;j[~/Z <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
C_-E4I
Z) BJIQ
zn3 应该如何改?
JK^[{1
JI 84Zgo=P} 【格式化日期】
5;
f\0<- Tk+DPp^ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
$c9=mjwH #WEq-0L 【日期的验证表达式】
kIM
C~Z 9.-47|-9C A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
oc;VIK)g]c ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
;IhPvff m<FK;
B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
[d:@1yc ^\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]))$
4WG=m}X
(6-y+LG 【大小写转换】
Lh!z>IWjOG HttpUtility.HtmlEncode(string);
,aO@.<" HttpUtility.HtmlDecode(string)
DPeVKyjU 9l l|JeNi 19.如何设定全局变量
?Ccw4]YO,= bX&e_Pd Global.asax中
T/Q==Q{W: "G kI5! Application_Start()事件中
NDW8~lkL Lupy:4AD 添加Application[属性名] = xxx;
Xq%*#)M; O\JD, w 就是你的全局变量
{9;eH'e >]?Jrs 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
U#"WrWj g-eq HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
T0?uC/7H nrbazyKm 【ASPNETMENU】点击菜单项弹出新窗口
vnVZJ}]w\ FK3Whe{KP{ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
\bRy(Z) <?xml version="1.0" encoding="GB2312"?>
2YluJ:LN <MenuData ImagesBaseURL="images/">
ex0oAt^ <MenuGroup>
&q L<C <MenuItem Label="内参信息" URL="Infomation.aspx" >
Z fqQ{_ <MenuGroup ID="BBC">
L6 kZ2-6 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
@ AggznA8 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
4L11P ......
iP,v=pS6 ?q6Z's[ 最好将你的aspnetmenu升级到1.2版
8E
9{
Gf ?"u'#f_ 21.读取DataGrid控件TextBox值
R(GmU4 foreach(DataGrid dgi in yourDataGrid.Items)
O&= KlnI: {
FdM<;}6T TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
g~|y$T tb.Text....
R9q0,yQW }
;x16shH
!c." 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
<L2GUX36# -O /T?H 〖思归〗
"W hwc <asp:TemplateColumn HeaderText="数量">
9PCa*, <ItemTemplate>
q
/:T1a7! <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
>*{:l,LH onkeyup="javascript:DoCal()"
|yU3Kt />
hw|t8 ShW cp|:8 [ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
n{z8Ao% </ItemTemplate>
iA&oLu[y3 </asp:TemplateColumn>
qz87iJp& $)l2G;& <asp:TemplateColumn HeaderText="单价">
Pm;I3r=R\ <ItemTemplate>
u(8~4P0w <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
F6DxvyANr onkeyup="javascript:DoCal()"
/!-J53K />
,Q+\h>I _~:j3=1&