1. 打开新的窗口并传送参数:
&,/T<V |]Xw1.S.L 传送参数:
d~8Q)"6 [ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
[I9d }bVyvH 接收参数:
*Pl[a1=o string a = Request.QueryString("id");
?r+tU string b = Request.QueryString("id1");
G-qxQD1wK )
l)5^7=W 2.为按钮添加对话框
=
7?'S# Button1.Attributes.Add("onclick","return confirm(’确认?’)");
m8?(.BJ% button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
KK+Mxoj, 0-9&d(L1g 3.删除表格选定记录
s$en5) int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
g`j%jQuY string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
2I7P}= d2Y5'A0X 4.删除表格记录警告
a
AuQw private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
!ZVMx*1Cf {
Y5
dt?a switch(e.Item.ItemType)
}?JO[Q + {
Q pX@;j case ListItemType.Item :
rcK*",> case ListItemType.AlternatingItem :
}Z6/b
_kV case ListItemType.EditItem:
?|33Np) TableCell myTableCell;
~-6;h.x= myTableCell = e.Item.Cells[14];
E(oNS\4 LinkButton myDeleteButton ;
`u U@( myDeleteButton = (LinkButton)myTableCell.Controls[0];
Rg6>6.fk* myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
1pK7EK3R break;
nxt1Y04,H default:
7 mN?;X33 break;
)mEF_ & }
uzo}?X# $lqV(s }
jmIP c3O0 uxcj3xE#d 5.点击表格行链接另一页
pmS=$z;I private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|] YT6-?. {
(xTHin$ //点击表格打开
$Z j. if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5s>9v e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
A1C@'9R*
}
LF0~H}S;6B
Oe27 3Y^e 双击表格连接到另一页
,wV2ZEW}e E.}Zmr#H 在itemDataBind事件中
$W09nz9? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
V)]&UbEL| {
| @YN\g K; string OrderItemID =e.item.cells[1].Text;
7 XY C.g ...
^j`
vk e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
k@2gw]y" }
I#0.72:[ itP_Vxo/H 双击表格打开新一页
^uj+d"a) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
pv T!6+
{
\|(;q+n?k string OrderItemID =e.item.cells[1].Text;
[bp"U*!9P ...
1.!(#I3 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
k\lj<v<vD }
2Zm*f2$xM fZZ!kea[ ★特别注意:【?id=】 处不能为 【?id =】
E'ZWSpP 6.表格超连接列传递参数
N_>s2 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Q>r Q/V <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
xv2;h4{< ;V;4# 7.表格点击改变颜色
?YS`?Rr if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
]X5*e' {
3EFk] X e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
QV't+)uUVo this.style.color=’buttontext’;this.style.cursor=’default’;");
y`BLIEI }
"7l}X{b 7Ct m({I- 写在DataGrid的_ItemDataBound里
E,r PM if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
%:y-"m1\u$ {
YMWy5 \ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
+)Ty^;+[1 this.style.color=’buttontext’;this.style.cursor=’default’;");
YT_kMy> e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
&F:7U! }
2vXMrh\ L}9@kjW c.~|)^OXXO 8.关于日期格式
56)B/0= iZ:-V8{ 日期格式设定
<7zpH SFBq DataFormatString="{0:yyyy-MM-dd}"
V_~wWuZ- r*g _ 我觉得应该在itembound事件中
t.w?OyO e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
9\xw}ph O$$N{ 9.获取错误信息并到指定页面
'!0CwZ
7 oqE
-q\!H 不要使用Response.Redirect,而应该使用Server.Transfer
(=X16}n:> -P?}
qy^j( e.g
7HF\)cz2 // in global.asax
Re2kD/S3 protected void Application_Error(Object sender, EventArgs e) {
cqq+#39iC if (Server.GetLastError() is HttpUnhandledException)
wO"Q{oi+ Server.Transfer("MyErrorPage.aspx");
n`hSn41A }}]Y mf //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
F-X>|oK>z }
mZ5UaSG rS
jC/O&b 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
ug{F?LW[ )uaB^L1 10.清空Cookie
ux }DWrR Cookie.Expires=[DateTime];
Vs"Z9p$U Response.Cookies("UserName").Expires = 0
T>z@;5C \kRBJ1)|f 11.自定义异常处理
6y0C //自定义异常处理类
ZDb`]c4( using System;
$?A]!Y; using System.Diagnostics;
J
h"]iN <HD/&4$[ namespace MyAppException
K{iYp4pU {
w\M_3} /// <summary>
q&M;rIo? /// 从系统异常类ApplicationException继承的应用程序异常处理类。
MqpoS /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Nr)(&c8 /// </summary>
{tM D*?C[6 public class AppException:System.ApplicationException
A#i-C+"} {
2H /a&uo@n public AppException()
_#+9)*A {
.{}t[U if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
-(2-zznZ }
v
ipmzg(S zb4g\H
0 public AppException(string message)
h~1QmEat {
9W8Dp?: LogEvent(message);
&><`? }
fx|9*|E ^?A+`1- public AppException(string message,Exception innerException)
#Z.JOwi {
RS1oPY
LogEvent(message);
'-x%?Ll if (innerException != null)
J0oR]eT} {
EAI[J&c LogEvent(innerException.Message);
+2g3%c0} }
WZMsmhU@T }
iO@wqbg$6 ^Nu} HcC+ //日志记录类
u>eu47"n! using System;
?R+$4;iy using System.Configuration;
ZQ:Y5ph using System.Diagnostics;
7-LeJRB using System.IO;
Ac54VN using System.Text;
KYQ6U.%W using System.Threading;
3l^pY18H' V]AL'}(
0 namespace MyEventLog
k (R4-"@ {
`MD/CFl4 /// <summary>
Fzu{,b /// 事件日志记录类,提供事件日志记录支持
u2eqVrY /// <remarks>
\Q$);:=qQ /// 定义了4个日志记录方法 (error, warning, info, trace)
gXQ)\MY /// </remarks>
E%e-R6gl /// </summary>
Q4x71*vy public class ApplicationLog
okv7@8U#p {
$_VD@YlAp /// <summary>
S6QG:|#P /// 将错误信息记录到Win2000/NT事件日志中
mvw:E_ /// <param name="message">需要记录的文本信息</param>
K?>&Mr /// </summary>
l\5NuCgRY public static void WriteError(String message)
usA!MMH4 {
' 4"L;){:L WriteLog(TraceLevel.Error, message);
O^GX Fz^ }
7'I7 3:gk:j# /// <summary>
5Zov<+kE /// 将警告信息记录到Win2000/NT事件日志中
Px8E~X<@ /// <param name="message">需要记录的文本信息</param>
BCbW;w8aI /// </summary>
/[s$A? public static void WriteWarning(String message)
ra&C|"~E {
%F~
dmA#: WriteLog(TraceLevel.Warning, message);
GyCpGP|AZ }
jt3SA
[cy j{=%~ /// <summary>
V6k9L*VP /// 将提示信息记录到Win2000/NT事件日志中
`et<Z /// <param name="message">需要记录的文本信息</param>
*v9G#[gG /// </summary>
W@tLT[}CG public static void WriteInfo(String message)
:-Pj )Y{I {
)N/KQ[W WriteLog(TraceLevel.Info, message);
7Tbk ti; }
F)@<ZE /// <summary>
B_S3}g<~ /// 将跟踪信息记录到Win2000/NT事件日志中
bo2Od /// <param name="message">需要记录的文本信息</param>
RB"rx\u7K /// </summary>
NO$Nl/XM public static void WriteTrace(String message)
#q- _ {
UXP;' WriteLog(TraceLevel.Verbose, message);
2KEww3.{ }
/p>[$`Aq
`FwAlYJK /// <summary>
krA))cP /// 格式化记录到事件日志的文本信息格式
U*@_T 3N /// <param name="ex">需要格式化的异常对象</param>
7d)aDc*TjW /// <param name="catchInfo">异常信息标题字符串.</param>
`g=~u{0 /// <retvalue>
*pMA
V[^ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
!xI![N^ /// </retvalue>
=Vs<DO{|4q /// </summary>
H[r0jREK public static String FormatException(Exception ex, String catchInfo)
rXPXO=F1/ {
S&*pR3,u StringBuilder strBuilder = new StringBuilder();
5*AKl< Jl if (catchInfo != String.Empty)
#vSI_rt9I {
b<n)`; strBuilder.Append(catchInfo).Append("\r\n");
J$;)TI }
}>w4! strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
(
~>Q2DS return strBuilder.ToString();
T!PX? }
gm DC,"Y< wu')Q/v /// <summary>
d%hA~E1rR /// 实际事件日志写入方法
3fPv71NVtt /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
A=K1T]o /// <param name="messageText">要记录的文本.</param>
Ei-OuDM;) /// </summary>
(XJQ$n private static void WriteLog(TraceLevel level, String messageText)
u W T[6R {
.Dm{mV@*T try
WQx;tX {
KfNXX>' EventLogEntryType LogEntryType;
%u}sVRJ switch (level)
:X
f3wP= {
Vd4osBu{fY case TraceLevel.Error:
OxZ:5ps LogEntryType = EventLogEntryType.Error;
&UR/Txnu break;
L nGSYrx1 case TraceLevel.Warning:
7W"menw LogEntryType = EventLogEntryType.Warning;
$}$@)!- break;
_u$K Lqt/, case TraceLevel.Info:
U4gJ![>5j LogEntryType = EventLogEntryType.Information;
N3p3"4_]fy break;
rRYf.~UH@P case TraceLevel.Verbose:
Q_.Fw\l$` LogEntryType = EventLogEntryType.SuccessAudit;
F S:WbFmc break;
DF2&j! default:
Ysu/7o4 LogEntryType = EventLogEntryType.SuccessAudit;
; \+0H$ break;
*q{UipZbx }
IJ;*N =Qrz|$_rv EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
x(=x;X$[^ //写入事件日志
cmI#R1\ eventLog.WriteEntry(messageText, LogEntryType);
ub5hX{uT Vm.@qO*= }
Y=Qf!Cq] catch {} //忽略任何异常
aehMLl9cl }
`'WLGQG } //class ApplicationLog
Kf#!IY][ }
s jm79/ W+?[SnHL/ 12.Panel 横向滚动,纵向自动扩展
Z >=Y <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
,6"n5Ks} _+iz?|U 13.回车转换成Tab
K8Zk{on <script language="javascript" for="document" event="onkeydown">
VKz<7K\/ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
hm>*eJNp] event.keyCode=9;
Wh5O{G@Ut </script>
avu,o ;!?K.,N:N onkeydown="if(event.keyCode==13) event.keyCode=9"
@U@ yIv ;4$C$r!t 14.DataGrid超级连接列
0h4}RmS DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
^<0 NIu} QaR.8/xV 15.DataGrid行随鼠标变色
B_glyC private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
oE1]vX {
PDng!IQ^ if (e.Item.ItemType!=ListItemType.Header)
C&kl*nO {
#Ca's'j&f e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Q%Q?q)x e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
3:lp"C51 }
4tJ4X' U }
0!`7kZrN rJp6d :M
16.模板列
]bb}[#AY <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
C}_:K)5q <ITEMTEMPLATE>
<z2mNq <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
F*VMS </ITEMTEMPLATE>
+Q31K7G r </ASP:TEMPLATECOLUMN>
y$o=\: +z0}{,HX <ASP:TEMPLATECOLUMN headertext="选中">
:
"te- <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
"B3:m-' <ITEMTEMPLATE>
f*{;\n(.t <ASP:CHECKBOX id="chkExport" runat="server" />
=pyZ^/}P </ITEMTEMPLATE>
i0Q
_f!j <EDITITEMTEMPLATE>
Eu.qA9,@U <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
sA-W^*+ </EDITITEMTEMPLATE>
_x6E_i-( </ASP:TEMPLATECOLUMN>
2 _n*u^X:_ &\|<3sd( 后台代码
ok%!o+nk. protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
;<@6f @ {
A5<Z&Y[ //改变列的选定,实现全选或全不选。
iLcadX CheckBox chkExport ;
{))S<_yN if( CheckAll.Checked)
FNCLGAiZ {
UQ])QTrZFi foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
AO$PuzlLh {
Juqn
X chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
e.|RC chkExport.Checked = true;
}, &,Dt }
vx}Z }
Gj8[*3d else
8:?Q(M7 {
I7z/GA\x foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
xWz;5=7a] {
XqS*;Zj0 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
p[F=L P chkExport.Checked = false;
^.kAZSgO }
ZQ-`l:G }
qbq<O %g= }
VfqY_NmgC a {$k<@Ww 17.数字格式化
0k0c i z>y u[| 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
.L5*E(<K0 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
G4%M$LJh m4SXH> o int i=123456;
I5yd )72 string s=i.ToString("###,###.00");
I=
h4s( 0$ 9;pzr 18.日期格式化
ZQ' z C=aj& 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
,9tbu!Pvq %_R|@cyD 显示为: 2004-8-11 19:44:28
^Xy$is3 <C"N X 我只想要:2004-8-11 】
,x"yZ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
R5&$h$[/ ->2wrOH|H 应该如何改?
%^?3s5PXD vs])%l%t 【格式化日期】
<Z:8~:@ pebx#}]p- 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
-C-OG}XjI @W\4UX3dK 【日期的验证表达式】
ddq 1NW 1;:t~Y A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
K*U=;*p) ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
gLSG:7m@ `TD%M`a B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
=#Cf5s6qt ^\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]))$
h3]@M$Y[ Q@W|GOH3 【大小写转换】
%f_OP$;fc HttpUtility.HtmlEncode(string);
Z:lB:U'o HttpUtility.HtmlDecode(string)
AK
s39U' )Z8"uRTb0 19.如何设定全局变量
|Iok(0V {I9N6BQ& Global.asax中
7hF,gl5 akvwApn5 Application_Start()事件中
W^d4/] c."bTq4tJ 添加Application[属性名] = xxx;
r]JC~{ ,KhMzE8_a 就是你的全局变量
B==a ;;w6b:}-c 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#ON#4WD? ,;cel^.b HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
}]g95xT ]Z$TzT&@% 【ASPNETMENU】点击菜单项弹出新窗口
(O_t5<A*X 2Z;`#{ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
mU3Y) <?xml version="1.0" encoding="GB2312"?>
+)JNFy- <MenuData ImagesBaseURL="images/">
'/u:,ar <MenuGroup>
;Up'~BP( <MenuItem Label="内参信息" URL="Infomation.aspx" >
3:~l2KIP4 <MenuGroup ID="BBC">
9!xD~(Kr <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
3 $$5Mk(&