1. 打开新的窗口并传送参数:
k.15CA` eQvg7aO; 传送参数:
d8x;~RA response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
?@
$r `pZm?}K 接收参数:
fLAw12;^ string a = Request.QueryString("id");
;P&OX5~V string b = Request.QueryString("id1");
E q+_&Wk 7i1q wRv 2.为按钮添加对话框
7 x?<*T Button1.Attributes.Add("onclick","return confirm(’确认?’)");
8kDp_si button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
U|j`e5) O!bOp= 3.删除表格选定记录
5.J.RE"M int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
w^0nqh string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
K,:N 63x?MY6 4.删除表格记录警告
'>C5-R:O private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
iMRwp+$ {
Ok\7y-w^ switch(e.Item.ItemType)
njA#@fU {
t.\dpBq case ListItemType.Item :
8|58 H case ListItemType.AlternatingItem :
Yk Qd
case ListItemType.EditItem:
1]/.` ]1 TableCell myTableCell;
g95`.V} myTableCell = e.Item.Cells[14];
@2v_pJy^ LinkButton myDeleteButton ;
2gVm9gAHUd myDeleteButton = (LinkButton)myTableCell.Controls[0];
2SR: FUV/ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
d4z/5Oa break;
i8HTzv"J default:
`,*5wBC break;
1D!<'`)AY }
#
c^z&0B} WvZ8/T'x }
}|5Pr(I c_!cv":s 5.点击表格行链接另一页
l0i^uMS private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"i W"NFO {
g5r(>, vY //点击表格打开
! #2{hQRu if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
xWQ`tWA:J e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
.y:U&Rw4 }
\mlqO[ S YLn?.sV{[0 双击表格连接到另一页
%vi<Aseg >`ZyG5 在itemDataBind事件中
| (_ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
HT1!5 {
\=0Vi6!Mc string OrderItemID =e.item.cells[1].Text;
Bo%NFB; ...
"wh ,Ue e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
fPW@{~t }
"OnGE$ -_eLf#3 双击表格打开新一页
$5Ff1{ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
))'<_nD {
~zNAbaC+>t string OrderItemID =e.item.cells[1].Text;
XAL1|]S ...
iTU5l5U z e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
x5 *!Wx
}
(qulwOt~w sYf~c0${ ★特别注意:【?id=】 处不能为 【?id =】
O]1(FWYy 6.表格超连接列传递参数
tT?cBg{ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
vn"{I&L+w0 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
!ff&W1@ $(>+VH`l 7.表格点击改变颜色
R`^_(yn> if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
hSyql {
#],&>n7' e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
{o`]I>gb this.style.color=’buttontext’;this.style.cursor=’default’;");
d <JM36j? }
:1KpGj*F (,Df^4%7 写在DataGrid的_ItemDataBound里
]yPqLJ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ZoZ|Ma {
8X)Y^uGGZ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
9o:Lz5o this.style.color=’buttontext’;this.style.cursor=’default’;");
9\JF`ff_ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
j9+w#G]hV }
$,Yd>%Y `XEr(e9 pgZXJ 8.关于日期格式
Whf.fK "d5n \@[t 日期格式设定
OMg<V DataFormatString="{0:yyyy-MM-dd}"
>_ 2dvg=U /HRFAqep 我觉得应该在itembound事件中
n$,*|_$# e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
E#t>Qn =]Jd9]vi 9.获取错误信息并到指定页面
]G< Vg5 a ]tVd# 不要使用Response.Redirect,而应该使用Server.Transfer
Px`!A EFd[ Q9G;V]./ e.g
xLH)P<^`C // in global.asax
CooQ>f protected void Application_Error(Object sender, EventArgs e) {
^iw'^6~ if (Server.GetLastError() is HttpUnhandledException)
,0HRAmG
Server.Transfer("MyErrorPage.aspx");
F,)%?<!I j*TYoH1 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
__GqQUQ }
VUR |OV% |02gup qqi 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
i|*)I:SHU ocS5SB]8 10.清空Cookie
\<TXS)w] Cookie.Expires=[DateTime];
G..aiA Response.Cookies("UserName").Expires = 0
0o*8#i/)!3 6- B|Y3)B 11.自定义异常处理
):_\;.L //自定义异常处理类
Ur=(.%@ using System;
R)ITy!z using System.Diagnostics;
p/@smke 74k dsgQf namespace MyAppException
p\aaJ {
o;<Xo& /// <summary>
mg.kr: /// 从系统异常类ApplicationException继承的应用程序异常处理类。
DG ;_Vg /// 自动将异常内容记录到Windows NT/2000的应用程序日志
/F'sb[ /// </summary>
4s{~r public class AppException:System.ApplicationException
(uZ&V7l {
wLJ:\_Jaf public AppException()
ktBj|-'> {
s6.M \^ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
@Y<bwv }
I5n^,@md $jqq
`n_ public AppException(string message)
UH-*(MfB {
@{tz:f LogEvent(message);
F Yzi~L }
%Ax3;g# %
*INT public AppException(string message,Exception innerException)
NmJWU:W_@ {
hD*SpVIU LogEvent(message);
YhE+W if (innerException != null)
WE.{p> {
ll.N^y;a LogEvent(innerException.Message);
Jx7C'~,J }
H0`]V6+<f }
-0{r>,&Mm 8sTp`}54J //日志记录类
9V@V6TvW>& using System;
G5aieD.# using System.Configuration;
Ne{?:h.! using System.Diagnostics;
'2nhv,|.U using System.IO;
*XbEiMJ using System.Text;
]<rkxgMW> using System.Threading;
oO|KEY( 0C
irfcs}Z namespace MyEventLog
6vNrBB {
%Iv,@}kvT+ /// <summary>
S:oi<F /// 事件日志记录类,提供事件日志记录支持
:AF =<X*5 /// <remarks>
;=;
9tX /// 定义了4个日志记录方法 (error, warning, info, trace)
{rH@gz|@i /// </remarks>
lc,tVe_ /// </summary>
,\ public class ApplicationLog
h!.^?NF {
^N;.cY /// <summary>
TNY&asQo /// 将错误信息记录到Win2000/NT事件日志中
GyIT{M}KV /// <param name="message">需要记录的文本信息</param>
1o;J,dYu /// </summary>
xLWwYK public static void WriteError(String message)
!1DKLQ {
=JbRu|/ WriteLog(TraceLevel.Error, message);
``Dq }
s!c`= 9c#+qH /// <summary>
{kCw+eXn? /// 将警告信息记录到Win2000/NT事件日志中
p~^D\jR. /// <param name="message">需要记录的文本信息</param>
'H&2HXw&2 /// </summary>
]#l/2V1 public static void WriteWarning(String message)
o(LFh[ {
PHXZ=A+ WriteLog(TraceLevel.Warning, message);
&cHV7 }
o9%)D<4M Q$1bWUS& /// <summary>
Raxrb=7 /// 将提示信息记录到Win2000/NT事件日志中
G{ sOR /// <param name="message">需要记录的文本信息</param>
^*8G8'k;$ /// </summary>
: $Y9jR public static void WriteInfo(String message)
E2@65b$ {
Q<'nE WriteLog(TraceLevel.Info, message);
Ba*,-i3ZK }
m4&h>9. 8 /// <summary>
gL[yA?GoM /// 将跟踪信息记录到Win2000/NT事件日志中
"2P&X /// <param name="message">需要记录的文本信息</param>
WEQ1 Seq /// </summary>
m~P CB_ifW public static void WriteTrace(String message)
V4P;
5[ {
Gh}LlX!w WriteLog(TraceLevel.Verbose, message);
, 5kKimTt }
7;sj%U^'l =K{"{5Wb /// <summary>
5eoska#y /// 格式化记录到事件日志的文本信息格式
+ SFVv_n /// <param name="ex">需要格式化的异常对象</param>
I)cFG{~L /// <param name="catchInfo">异常信息标题字符串.</param>
Hh-+/sO~" /// <retvalue>
%?uc><&?e /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
;WM"cJo9 /// </retvalue>
{VvqO7 A /// </summary>
TI#''XCB5 public static String FormatException(Exception ex, String catchInfo)
!2A:"2Kys: {
=Z+nz^'b StringBuilder strBuilder = new StringBuilder();
5b/|!{ if (catchInfo != String.Empty)
lB4GU y$ {
TRQF^P3o strBuilder.Append(catchInfo).Append("\r\n");
Wi2WRJdyu }
,^;)<[ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
=aA+~/~8% return strBuilder.ToString();
^m"u3b4 }
e2ilB), feNdMR7eM /// <summary>
oCi=4#g%7 /// 实际事件日志写入方法
7_Z#m ( /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
F\AX: /// <param name="messageText">要记录的文本.</param>
&nkW1Ner9 /// </summary>
OCJnjlV% private static void WriteLog(TraceLevel level, String messageText)
O<"}|nbmQ[ {
7,|c try
jbu8~\" {
8p9bCE>\ EventLogEntryType LogEntryType;
#u"k~La switch (level)
'fF;(? {
a / #PLP case TraceLevel.Error:
)V ;mwT!Q LogEntryType = EventLogEntryType.Error;
MHai%E break;
n\5RAIg case TraceLevel.Warning:
x2z;6) LogEntryType = EventLogEntryType.Warning;
6s\Kt3= break;
.k9{Yv0 case TraceLevel.Info:
iz?tu: \v& LogEntryType = EventLogEntryType.Information;
&)vC;$vD` break;
jhu&&==\f case TraceLevel.Verbose:
CkD#/
LogEntryType = EventLogEntryType.SuccessAudit;
GXjfQ~<] break;
C;`XlQG ` default:
{R61cD,n LogEntryType = EventLogEntryType.SuccessAudit;
{>,V\J0p break;
+
33@?fl. }
%Gj8F4{ t{FlB!jv EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
;._7jFj. //写入事件日志
4Hn`'+b eventLog.WriteEntry(messageText, LogEntryType);
no]z1D wUQw!%?> }
80&.JP. catch {} //忽略任何异常
TJ'[-- }
+$(2:S*r } //class ApplicationLog
'XofD}dm }
I_%a{$Gjl ?(m
jx 12.Panel 横向滚动,纵向自动扩展
vR=6pl$|~~ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
AfP'EP0m 9D}/\jM 13.回车转换成Tab
*gF<m9& <script language="javascript" for="document" event="onkeydown">
d/|D<Sb[s if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Q~Hh\L t event.keyCode=9;
}gMDXy} </script>
6,LubZFD
wm")[!h)v onkeydown="if(event.keyCode==13) event.keyCode=9"
(_*5oj- X*Dj[TD] 14.DataGrid超级连接列
W4U@%b do DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
UybW26C;aU pY~,(s|Qb 15.DataGrid行随鼠标变色
b0A1hb[| private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
T<@ cd|` {
Fxqp-}: if (e.Item.ItemType!=ListItemType.Header)
n?ctLbg {
~$ f;U e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
E55t*^` e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
UH>F|3"d }
a/U2xq{x }
M$d%p6Cv G4;3cT3' 16.模板列
?N=m<fn <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Cb@3M"1: <ITEMTEMPLATE>
drd/ jH& <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
)r
z+'|, </ITEMTEMPLATE>
/c-r </ASP:TEMPLATECOLUMN>
^/=#UQ*k UMp/\&0 <ASP:TEMPLATECOLUMN headertext="选中">
A@D2+fS <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
3
M10fI? <ITEMTEMPLATE>
ym/fFm6h <ASP:CHECKBOX id="chkExport" runat="server" />
i Q6epg1wB </ITEMTEMPLATE>
lz0TK)kuC <EDITITEMTEMPLATE>
}^*F59>H <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
.R8 HZ}3 </EDITITEMTEMPLATE>
^eGNgE </ASP:TEMPLATECOLUMN>
P^Q[-e{ >'5_Y]h4m| 后台代码
'K*AV7>E protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
OxtOd\0$ {
l|+BC //改变列的选定,实现全选或全不选。
?D)<, CheckBox chkExport ;
TLf9>=
OVh if( CheckAll.Checked)
x]{E)d"! {
qG/fE'(j& foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
?$Wn!"EC8 {
Z!&Rr~i
< chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[;.`,/ chkExport.Checked = true;
a7/-wk }
\WrFqm# }
C"qU-&*v else
H:JLAK {
W85@v2b foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Dbaf0 {
z6~
H:k1G% chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
XJ+6FT/qss chkExport.Checked = false;
%77p5ctW }
@[?!s%*2 }
nGf);U#K }
u@P[Vb >Aq870n 17.数字格式化
EIbXmkHl< C#=bW'C 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
]$
b<Gs <%#Container.DataItem("price","{0:¥#,##0.00}")%>
vhT_=:x o{kbc5_ int i=123456;
HygY>s+3[
string s=i.ToString("###,###.00");
/DO/Tqdfe b2^AP\: k 18.日期格式化
^t*x*m8 !lmWb-v%36 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
qxJQPz 9H]Lpi^OH 显示为: 2004-8-11 19:44:28
=}fd6ea(o @C-dG7U.P 我只想要:2004-8-11 】
R,!Q
Zxmg <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
daAyx- TfZ6F8|B 应该如何改?
MZSxQ8 Ti;Ijcq8 【格式化日期】
fKa\7{R xg{HQQ|TC 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
m:O(+Fl y8bM<e2
U 【日期的验证表达式】
OAZ#|U '69ZdP/xX A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
tNmy&
nsA ^((\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})))?$
\hP=-J [~C jN+N(pIi.o B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
X7|.T0{=x ^\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]))$
7C?.L70ZY 3%<C<( 【大小写转换】
MuEy>dl HttpUtility.HtmlEncode(string);
L1)@z8] HttpUtility.HtmlDecode(string)
tue/4Q#7 r\9TMg`C 19.如何设定全局变量
ftavbNR`W n1:v HBM@\ Global.asax中
-,":5V26 i"^<CR@e Application_Start()事件中
;;gK@?hJ c| '
w 添加Application[属性名] = xxx;
}GnwY97 f.pkQe( 就是你的全局变量
`Xcirfp QI!i 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
w.+Eyu_I\ 7yiJ1K<bIt HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
m^\TUj 4`2$_T$F 【ASPNETMENU】点击菜单项弹出新窗口
P8gXCX!>U gKb0)4 AK 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
K,}w]b <?xml version="1.0" encoding="GB2312"?>
~%|G+m> <MenuData ImagesBaseURL="images/">
xQlT%X;' <MenuGroup>
H.J5i~s
<MenuItem Label="内参信息" URL="Infomation.aspx" >
?&h3P8 <MenuGroup ID="BBC">
=ziy`#fm, <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
*R`MMm <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
PG)_L.7rJ ......
K2/E#}/ f!-Sz/ c# 最好将你的aspnetmenu升级到1.2版
'CS.p!Z\ NyI;v= 21.读取DataGrid控件TextBox值
c! H 9yk foreach(DataGrid dgi in yourDataGrid.Items)
r.FLGDU {
,i++fOnQ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
L,-u.vV tb.Text....
h K}bj }
2neRJ ]?9[l76O7 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?
%XXkVK` Ha ZFxh-( 〖思归〗
bEr.nF <asp:TemplateColumn HeaderText="数量">
A1,4kqmE <ItemTemplate>
6;uBZ&g <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
iWXMKu onkeyup="javascript:DoCal()"
yCM{M />
'=TTa >7>7/7=O <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
i1/}XV </ItemTemplate>
hBCR]='] </asp:TemplateColumn>
4IGxI7~27# y=o=1( <asp:TemplateColumn HeaderText="单价">
iAQvsE <ItemTemplate>
K
M]Wl_z <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
:2q
?>\ onkeyup="javascript:DoCal()"
o?R,0 - />
I>m;G
` HRRngk#lV <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
c=t*I0-OVS M5+W$W </ItemTemplate>
-g2{681`r </asp:TemplateColumn>
d x359 Rc7.M"wzjX <asp:TemplateColumn HeaderText="金额">
$T)d!$ <ItemTemplate>
x\;GoGsez <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Z)v)\l9d </ItemTemplate>
QBj Y&(vY </asp:TemplateColumn><script language="javascript">
U5wTGv4S| function DoCal()
,(hY%M&\ {
7dhn'TW var e = event.srcElement;
=w ,(M var row = e.parentNode.parentNode;
M7H~;S\3IM var txts = row.all.tags("INPUT");
}@4|7 if (!txts.length || txts.length < 3)
@5*xw1B return;
Hrv),Ce }`@?X"r var q = txts[txts.length-3].value;
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