1. 打开新的窗口并传送参数:
(bfHxkR. pdnkHR$ 传送参数:
?!H<V@a response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
\tc`Aj%K &FrW(>2 接收参数:
;IhkGPpWP string a = Request.QueryString("id");
Fs q=u-= : string b = Request.QueryString("id1");
QJFx/zU tAD{{GW9 2.为按钮添加对话框
hJ8|KPgdw Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Vq`i.>%5 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
"65@8xt== ayfZ>x{s* 3.删除表格选定记录
.pNPC|XU int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
`Q2
`": string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
6l|pTyb1 Wc4K?3 ZM 4.删除表格记录警告
]A}'jP private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
vt`hY4 {
-#]?3*NO switch(e.Item.ItemType)
uHdrHP {
ybBLBJb case ListItemType.Item :
6[BQx)7T case ListItemType.AlternatingItem :
lhm=(7Y case ListItemType.EditItem:
1nh2()QI[ TableCell myTableCell;
b&u o^G, myTableCell = e.Item.Cells[14];
9 F~U%
>GX LinkButton myDeleteButton ;
3 wVN:g7 myDeleteButton = (LinkButton)myTableCell.Controls[0];
x;NCW myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
\M>+6m@w break;
v#/Uq?us default:
A:3bL:
;t break;
i][7S mN }
\nV|Y=5 ]saf<?fzr }
)g:UH
Ns *IGxa 5.点击表格行链接另一页
Q+mMpI private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#H
O\I7m {
wuzz Wq //点击表格打开
E=~H,~ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-/x +M-X# e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Z<jRZH*L }
lx$Y-Tb^F gywI@QD%# 双击表格连接到另一页
k%hD<_:p <kLY1EILM 在itemDataBind事件中
:m#vvH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
kUP[&/Lc {
a:zx&DwM string OrderItemID =e.item.cells[1].Text;
bcM#KA ...
82$By]Y9 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
|\QR9> }
3Xd+>'H T:)>Tcv}: 双击表格打开新一页
iM8hGQ` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
dZ%b|CUb {
.kC}. Q_ string OrderItemID =e.item.cells[1].Text;
Lj~lfO ...
30DpIkf e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
44%H? ,d }
EAY9~b6~c JYSw!!eC ★特别注意:【?id=】 处不能为 【?id =】
ZM|>Va/X 6.表格超连接列传递参数
G x,D'H' <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
a@8knJ| <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
OW-+23)sj Ix(4<s 7.表格点击改变颜色
9&d BL0 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Rp@u.C< {
I?fE=2}9 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
A%GJ|h,i this.style.color=’buttontext’;this.style.cursor=’default’;");
w}YHCh }
gIRCJ=e[b +?.,pq n<= 写在DataGrid的_ItemDataBound里
1B1d>V$* if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Y4{`?UM&h {
{'b8;x8h e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
O Z#? this.style.color=’buttontext’;this.style.cursor=’default’;");
Fx@
{] e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
:EO}uP2 }
r!M2H{ |SxEJ 7q\c\qL 8.关于日期格式
NNfCJ|
;=7z!:) 日期格式设定
~'U;).C DataFormatString="{0:yyyy-MM-dd}"
uZYeru"w <]9MgfAe
我觉得应该在itembound事件中
r]E$uq
bR e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
h)<R#xw p/:5bvA 9.获取错误信息并到指定页面
S1+#qs{5a #>,cc?H- 不要使用Response.Redirect,而应该使用Server.Transfer
1z`,*eD7 }UO,R~q~ e.g
D~y]d // in global.asax
<N*>9S,} protected void Application_Error(Object sender, EventArgs e) {
asF-mf;D if (Server.GetLastError() is HttpUnhandledException)
<G&v Server.Transfer("MyErrorPage.aspx");
QB.7n&u ]u,~/Gy //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
B.WJ6.DkS }
0GR9opZtA =&p bh 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
x'KsQlI/
[_0g^(` 10.清空Cookie
[yyV`& Cookie.Expires=[DateTime];
a2 SQ:d Response.Cookies("UserName").Expires = 0
|H A7 C x3P@AC$\ 11.自定义异常处理
U\
L"\N 7 //自定义异常处理类
L!p|RKz9X using System;
l<HRD using System.Diagnostics;
IN"vi|1 N:<O namespace MyAppException
Y]lqtre*Y {
D=\|teA& /// <summary>
6a@~;!GlI /// 从系统异常类ApplicationException继承的应用程序异常处理类。
W"*R#:Q /// 自动将异常内容记录到Windows NT/2000的应用程序日志
{#%xq]r_ /// </summary>
n~ql]Ln public class AppException:System.ApplicationException
[v`4OQF/ {
gfYB|VyWo public AppException()
3/AUV%+ {
.$k"+E if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
ZFON]$Zk }
!lF^~x :qbG%_PJ public AppException(string message)
VMWg:=~$ {
}"-r;i LogEvent(message);
| rvr Sab) }
#SYWAcTkO} Q#N+5<]J)# public AppException(string message,Exception innerException)
1+jYpYEQW {
rTm{-b)r LogEvent(message);
["F,|e{y$ if (innerException != null)
_E;Y
~I,i {
r83~o/T@ LogEvent(innerException.Message);
!7oy%{L }
{X$Mwqhpp; }
SoX V wb[(_@eZ //日志记录类
=#tQIhX` using System;
DS C4 using System.Configuration;
]Yg EnZ using System.Diagnostics;
5avO48;Vc using System.IO;
u\xm8}A using System.Text;
`$H using System.Threading;
M@ kZ(Rkv =dBrmMh namespace MyEventLog
HWhKX:`l {
a,~P_B|@ /// <summary>
cnthtv+(~ /// 事件日志记录类,提供事件日志记录支持
hBhkb ~Oky /// <remarks>
"o3"1s>d{ /// 定义了4个日志记录方法 (error, warning, info, trace)
1VFqT' /// </remarks>
L_mqC(vn /// </summary>
G 7]wg>* public class ApplicationLog
.Qt3!ek {
;#9|l= /// <summary>
Hz8`)cv` /// 将错误信息记录到Win2000/NT事件日志中
cEdJn@ , /// <param name="message">需要记录的文本信息</param>
j\f$r,4 /// </summary>
ap^=CEf public static void WriteError(String message)
Q~JKKq {
6# ";W2 WriteLog(TraceLevel.Error, message);
h&bV!M }
]Rh(=bg 1fv~r@6s /// <summary>
i[{]
LiP /// 将警告信息记录到Win2000/NT事件日志中
yrAzD= /// <param name="message">需要记录的文本信息</param>
q-%KfZ@(| /// </summary>
lzG;F] public static void WriteWarning(String message)
`HG19_Z {
4QAIQQS WriteLog(TraceLevel.Warning, message);
k!=GNRRZE }
r)(BT:2m ACO4u<M) /// <summary>
VtiqAh}4 /// 将提示信息记录到Win2000/NT事件日志中
_M[[vXH /// <param name="message">需要记录的文本信息</param>
WgJAr73
l /// </summary>
q_y,j& public static void WriteInfo(String message)
DXW?;|8)O {
8$ZSF92C WriteLog(TraceLevel.Info, message);
1lyOp }
I<./(X[H:# /// <summary>
^r*%BUU9]% /// 将跟踪信息记录到Win2000/NT事件日志中
Gr$*t,ZW /// <param name="message">需要记录的文本信息</param>
nFnF_ /// </summary>
`l2< public static void WriteTrace(String message)
%K'*P56 {
noNF;zT WriteLog(TraceLevel.Verbose, message);
N5s|a5 }
/Jf`x>eiH @:+n6 /// <summary>
t"/"Ge#a /// 格式化记录到事件日志的文本信息格式
iWM7,=1+ /// <param name="ex">需要格式化的异常对象</param>
l$VxE'&LQ /// <param name="catchInfo">异常信息标题字符串.</param>
0j!ke1C&C /// <retvalue>
b2X'AHK S /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
P^3m:bE] /// </retvalue>
\1mM5r~ /// </summary>
~Oq,[,W public static String FormatException(Exception ex, String catchInfo)
&U$8zn~[k {
0IgnpeA] StringBuilder strBuilder = new StringBuilder();
r@[VY g~ if (catchInfo != String.Empty)
xSDE6] {
x*&&?nV Iz strBuilder.Append(catchInfo).Append("\r\n");
#VdI{IbW }
M=[q+A strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
s i"` return strBuilder.ToString();
]Uu(OI<) }
(Ef2
w[' Mj
B<\g> /// <summary>
)n}]]^Sc /// 实际事件日志写入方法
4ZJT[zi /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
)yNw2+ ~5 /// <param name="messageText">要记录的文本.</param>
>}DjHLTW\ /// </summary>
~"q,<t private static void WriteLog(TraceLevel level, String messageText)
37O#aJ,K {
Uty(sDtu try
q"+ q {
K>R;~
o EventLogEntryType LogEntryType;
m-'(27 switch (level)
R8[iXXjku {
#i +P(xV case TraceLevel.Error:
Qw<kX*fxrI LogEntryType = EventLogEntryType.Error;
[p W1=tI break;
,/?%y\:J case TraceLevel.Warning:
"T{~,'T LogEntryType = EventLogEntryType.Warning;
adO!Gs9f? break;
I,<>%Z|' case TraceLevel.Info:
\'?? LogEntryType = EventLogEntryType.Information;
/%uZKGP break;
c. TB8Ol case TraceLevel.Verbose:
/;<e. LogEntryType = EventLogEntryType.SuccessAudit;
_7=pw5[ break;
iVKbGgA default:
QypiF*fSU LogEntryType = EventLogEntryType.SuccessAudit;
*{.&R9#7U' break;
s0)qlm* }
p&OJa$N$[ V+=*2?1 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
53`9^|: //写入事件日志
9uw,-0*5 eventLog.WriteEntry(messageText, LogEntryType);
hnsa)@ lbKv }
Tw`c6^%^y catch {} //忽略任何异常
iM/*&O} }
tB ,. } //class ApplicationLog
g]Xzio&w }
68p\WheCal ^A11h6I 12.Panel 横向滚动,纵向自动扩展
u+z .J4w <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Ufaqhh
1o|0x\ q 13.回车转换成Tab
6VH90KAT <script language="javascript" for="document" event="onkeydown">
f/0v'
Jt if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Siz!/O!' event.keyCode=9;
r*i$+ Z </script>
{{.sEi* Y( 1L>4 onkeydown="if(event.keyCode==13) event.keyCode=9"
V#gF*]q 6bbZ<E5At 14.DataGrid超级连接列
,5eH2W DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
;&+[W(7Sy Sv~YFS :oy 15.DataGrid行随鼠标变色
@ate49W private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
<+?
Y
{
2fkIdy#n@ if (e.Item.ItemType!=ListItemType.Header)
z"6ZDC6 {
(#j2P0B e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Gut J_2f^9 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
{?EEIfg }
VY+(,\)U }
jiA5oX^g 4V u'r? 16.模板列
3x"@**(Q <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
bK03S Vx <ITEMTEMPLATE>
kyW6S+ #- <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
+A8=R%&b)[ </ITEMTEMPLATE>
-+3be(u </ASP:TEMPLATECOLUMN>
a%7"_{s1 1<LC8?wt <ASP:TEMPLATECOLUMN headertext="选中">
%_B:EMPd <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
, @%C8Z <ITEMTEMPLATE>
-H1"OJ2aF
<ASP:CHECKBOX id="chkExport" runat="server" />
&YT_#M </ITEMTEMPLATE>
?ID* /u|X <EDITITEMTEMPLATE>
N?qIpv/a. <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
.sd B3x </EDITITEMTEMPLATE>
nB cp7e </ASP:TEMPLATECOLUMN>
oupJJDpP -"~L2f"? 后台代码
LPEjRG, protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
T&9`?QD {
94T}iY. //改变列的选定,实现全选或全不选。
)u39}dpeu CheckBox chkExport ;
<@u0.-] if( CheckAll.Checked)
5TXg;v#Z {
KY4d+~2 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
_MM {
`4VO&lRm chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
BN+V,W chkExport.Checked = true;
!Oeq
G }
La`h$=#` }
wzD\8_;6N else
2}^+]5 {
9 '2= foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
=E;=+eqt {
\e?.hmq chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
w) =eMdj\o chkExport.Checked = false;
f!5F]qP>- }
kx|me~I
}
7d3'CQQ4 }
'"oo;`g7 >?S\~Y 17.数字格式化
$z= 0[%L _ymJ~MK 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
IYuyj(/! <%#Container.DataItem("price","{0:¥#,##0.00}")%>
&g*klt'B j.k@6[R>? int i=123456;
jmkRP"ZnA string s=i.ToString("###,###.00");
C=>B_EO ;LHDh_.pX 18.日期格式化
pU
M&"V VVs{l\$=ZV 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
HDyQzCG, fucUwf\_ 显示为: 2004-8-11 19:44:28
{UP'tXah aQ&uC )w 我只想要:2004-8-11 】
`koOp <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
|}Q( F+cL Af`z/:0< 应该如何改?
W&<g} N+ $v FrU v 【格式化日期】
Gu2_dT Y;8
>=0ye 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
V?=TVI*k aw1P5aPmX 【日期的验证表达式】
ir]Mn.(Y <# >Oy&E A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
rqF"QU= l ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
.\$Wy$ d d& hD[v B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
;vMn/ ^\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]))$
.
=&Jo9 6A}eSG3 【大小写转换】
!&W|myN^ HttpUtility.HtmlEncode(string);
Hfke HttpUtility.HtmlDecode(string)
|Z
d]=tue moCK-: 19.如何设定全局变量
m)r]F#@/ Z+0?yQ=% Global.asax中
jM*AL
X |Td_S|:d Application_Start()事件中
n<E.Em1
pL~=Z?(B 添加Application[属性名] = xxx;
VO9XkA7 [KMS<4t' 就是你的全局变量
C(s\LI!r w}d}hI 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
PQ,+hq r]9 e^ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
TaOOq}8c# )Lb72;!? 【ASPNETMENU】点击菜单项弹出新窗口
8\DME w$b~x4y% 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
d4J<, <?xml version="1.0" encoding="GB2312"?>
tR<L`?4 <MenuData ImagesBaseURL="images/">
> =Jsv <MenuGroup>
}hCaNQ&jH <MenuItem Label="内参信息" URL="Infomation.aspx" >
Ss 2$n <MenuGroup ID="BBC">
p zg&/m&F` <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
0vDg8i\ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
>&1um5K ......
<