1. 打开新的窗口并传送参数:
7#PQ1UWl %y+v0.aWH+ 传送参数:
bc6|]kB: response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
&'m&'wDt: \XbCJJP 接收参数:
pWeD,!f string a = Request.QueryString("id");
MZ^(BOe_ string b = Request.QueryString("id1");
ZQsVSz( 1 IRsyy\[kp8 2.为按钮添加对话框
cOdgBi Button1.Attributes.Add("onclick","return confirm(’确认?’)");
f5*hOzKG6 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
DH])Q5 .aC/ g?U 3.删除表格选定记录
7Y
4! int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
AZ.
j>+0xx string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
DLoH.Fd FY,)iZ}Pq 4.删除表格记录警告
xeRoif\4c private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
K*tomy {
Ee{Y1W switch(e.Item.ItemType)
> q8)~ {
Bf$`Hf6 case ListItemType.Item :
/b."d\ case ListItemType.AlternatingItem :
.6pVt_f0/ case ListItemType.EditItem:
V+$fh2t TableCell myTableCell;
._6Q "JAB myTableCell = e.Item.Cells[14];
nCLEAe$W\= LinkButton myDeleteButton ;
CH0Nkf myDeleteButton = (LinkButton)myTableCell.Controls[0];
15kkf~Z<t myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
D0X!j,Kc break;
+o K*5 Y default:
#?DoP]1Y break;
To,*H OP }
whQJWi=ck CS;4 ysNf }
5M#LO@U n}8}:3" 5.点击表格行链接另一页
$OaxetPH private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{Lsl2@22 {
1-sG`% //点击表格打开
O-n JuZJgX if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!{b4+!@p e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
^K:-r !v^ }
,-SWrp`f |+Tq[5&R 双击表格连接到另一页
?:i,%]zxC lPg?Fk7AP 在itemDataBind事件中
-o@L"C> if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
CrYPcvd6 {
?DKY;:dZF string OrderItemID =e.item.cells[1].Text;
xks Me ...
R|]n;*y e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
{vp*m:K }
[G"Va_A8 5Rae?*XH 双击表格打开新一页
yVyh\u\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
pL,l {
yKC1h`2 string OrderItemID =e.item.cells[1].Text;
1H8/b D ...
[=^Wj`; e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Yb%#\.M/y }
vU9:`@beu L fZF ★特别注意:【?id=】 处不能为 【?id =】
;]W@W1)$ 6.表格超连接列传递参数
rXq{WS` <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
U.N?cKv <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
*rA]q' jM &BN#"- J 7.表格点击改变颜色
A5Lzd if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
\%&eDE 0 {
Yzw[.(jc} e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
JgBC:t^\pV this.style.color=’buttontext’;this.style.cursor=’default’;");
rbrh;\<jM }
?$VkMu$2k M<P8u`)>4H 写在DataGrid的_ItemDataBound里
:a9 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
tNz(s) {
Sv!JA#Ag e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
==EB\>g| this.style.color=’buttontext’;this.style.cursor=’default’;");
4u#TKr. e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
H^M>(kT#& }
Cl!9/l?z mB"1QtD dj{~!} 8.关于日期格式
0!M'z >+):eBL 日期格式设定
T@a|*.V DataFormatString="{0:yyyy-MM-dd}"
e/}4Pt 5t-,5 我觉得应该在itembound事件中
S:1g(f*85 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
,(NN)Oj h=B=
J 9.获取错误信息并到指定页面
>~_)2_j eg24.W9c 不要使用Response.Redirect,而应该使用Server.Transfer
aP#/% Q"H/RMo- e.g
L2OR<3*|Av // in global.asax
J M`[|"R% protected void Application_Error(Object sender, EventArgs e) {
Rx?ze( if (Server.GetLastError() is HttpUnhandledException)
I
moxg+u
Server.Transfer("MyErrorPage.aspx");
my#\(E+ R[@}Lg7+v //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
X!m
lC51 }
],Yy)<e. /@I`V?Q!a 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
6"R'z#{OF >T-4!ZvS\j 10.清空Cookie
9dWz3b1[] Cookie.Expires=[DateTime];
`\f 3Ij, Response.Cookies("UserName").Expires = 0
9*r^1PRc cZ# %tT# 11.自定义异常处理
F6aC'<#/ //自定义异常处理类
KtGbpcS$f using System;
!;0K=~(Y^ using System.Diagnostics;
l2I%$|)d SYa
O'c namespace MyAppException
%`YR+J/V {
[2E(3`-u /// <summary>
F~eY'~&H} /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Q!_d6-*u /// 自动将异常内容记录到Windows NT/2000的应用程序日志
(>NZYPw^3 /// </summary>
+}PN+:yV public class AppException:System.ApplicationException
Je}0KW3G9L {
@_1cY#! public AppException()
m.<u!MI {
Qxk & J if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
o4wSt6gBcJ }
@0d"^ MzDosr3: public AppException(string message)
5{bc&?" {
"p7nngn~ LogEvent(message);
U_l9CZ }
B{*{9!(l9 Gr#3GvL public AppException(string message,Exception innerException)
u@CQ+pnf:( {
gd*2*o$g( LogEvent(message);
!-%XrU8o3 if (innerException != null)
" m13HS {
keFH
CC LogEvent(innerException.Message);
e~d=e3mBp }
h9/fD5 }
"%p7ft %D5F7wB //日志记录类
e[s}tjx using System;
_54gqD2C,
using System.Configuration;
}
!y5hv!_ using System.Diagnostics;
cnI5G! using System.IO;
@bJIN]R using System.Text;
^39lUKL using System.Threading;
c+
e~BN AV7#,+p%G namespace MyEventLog
Fk^N7EJ:$ {
*UJ4\ /// <summary>
}>d /// 事件日志记录类,提供事件日志记录支持
,Aai-AGG@ /// <remarks>
{M5t)-
/// 定义了4个日志记录方法 (error, warning, info, trace)
*} ? /// </remarks>
/;Hr{f jl{ /// </summary>
_TGs .t public class ApplicationLog
*3rs+0 {
igW* {)h3 /// <summary>
-%@ah:iJ /// 将错误信息记录到Win2000/NT事件日志中
>7zC-3 /// <param name="message">需要记录的文本信息</param>
lo(C3o' /// </summary>
w jD<"p;P public static void WriteError(String message)
+`_0tM1 {
@XXPJq;J WriteLog(TraceLevel.Error, message);
WgqSw%:$H }
m\X\Xp~A RB4 +"QUh /// <summary>
_+'!l'` /// 将警告信息记录到Win2000/NT事件日志中
QS5t~rb /// <param name="message">需要记录的文本信息</param>
E6ZkO/ /// </summary>
\2e^x public static void WriteWarning(String message)
23WrJM!2N {
.7
0 WriteLog(TraceLevel.Warning, message);
8B:y46 }
&9fQW?Czs ?_i>Kx /// <summary>
V~ORb1 /// 将提示信息记录到Win2000/NT事件日志中
*=.~PR6W{ /// <param name="message">需要记录的文本信息</param>
}Sbk qd5 /// </summary>
owQ,op# public static void WriteInfo(String message)
/Pkz3(1 {
.
ump?
M WriteLog(TraceLevel.Info, message);
sQac%.H;`U }
dC{dw^ /// <summary>
k$JOHru /// 将跟踪信息记录到Win2000/NT事件日志中
*LU/3H|} /// <param name="message">需要记录的文本信息</param>
q]I aRho /// </summary>
6Eu(C]nC( public static void WriteTrace(String message)
PXkpttIE]M {
)Wr_*>xj WriteLog(TraceLevel.Verbose, message);
(u} /(Ux }
]i@73h YT &UOxS W /// <summary>
#Uu,yHMv:; /// 格式化记录到事件日志的文本信息格式
W>C?a=r~ /// <param name="ex">需要格式化的异常对象</param>
YnRO>` /// <param name="catchInfo">异常信息标题字符串.</param>
"`V@?+3 /// <retvalue>
BB\GrD /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
]JYE#F /// </retvalue>
,>h"~X /// </summary>
o+'|j#P public static String FormatException(Exception ex, String catchInfo)
5P%#5Yr2 {
gS5MoW1 StringBuilder strBuilder = new StringBuilder();
T+ZA"i+
if (catchInfo != String.Empty)
1o%#kf {
3Iv^ strBuilder.Append(catchInfo).Append("\r\n");
CqlxE/| }
Y?NL|cW4 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
9hfg/3t(' return strBuilder.ToString();
=g9n =spAn }
WSu6chz) kpIn_Ea /// <summary>
]690ey$E:j /// 实际事件日志写入方法
(.cA'f?h /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
r|u[36NmA /// <param name="messageText">要记录的文本.</param>
.Y;f9R /// </summary>
_ZK^JS private static void WriteLog(TraceLevel level, String messageText)
N*}soMPV^. {
JM|HnyI try
jJ$B^Y"4 {
dX cbS< EventLogEntryType LogEntryType;
QQ .?A(U7 switch (level)
\ +%~7Bi]z {
J
W@6m case TraceLevel.Error:
Wvf>5g)? LogEntryType = EventLogEntryType.Error;
gZ$
8Y7 break;
~3?-l/ $ case TraceLevel.Warning:
5 ix*wu`, LogEntryType = EventLogEntryType.Warning;
!q\=e@j-i break;
S
F*C' case TraceLevel.Info:
p{^:b6 LogEntryType = EventLogEntryType.Information;
4 k<o break;
@)6b case TraceLevel.Verbose:
Lc{arhN LogEntryType = EventLogEntryType.SuccessAudit;
@"MYq#2c$ break;
M/=36{,w- default:
ly17FLJ]. LogEntryType = EventLogEntryType.SuccessAudit;
k8+J7(_c break;
hhy+bA} }
)bOfs*S z/1$G" EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
=#Sw.N //写入事件日志
at_*Zh( eventLog.WriteEntry(messageText, LogEntryType);
MONX&$ ]u|v7}I4 }
n9+33^ PT catch {} //忽略任何异常
s Z[[ymu8 }
z}!g2d } //class ApplicationLog
pD%(Y^h? }
O D}RnKL b?i+nhqI 12.Panel 横向滚动,纵向自动扩展
CvY+b^ ; <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
g%f5hy Bdt6 w(`^ 13.回车转换成Tab
&L+uu',M0c <script language="javascript" for="document" event="onkeydown">
= UH3. if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
[ ulub| event.keyCode=9;
<b zzbR[F </script>
lLTqk\8g z!"vez onkeydown="if(event.keyCode==13) event.keyCode=9"
4|`>}Nu CLrX!JV> 14.DataGrid超级连接列
?IVJ#6[ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
U"k$qZ[ (4+P7Z,Nc 15.DataGrid行随鼠标变色
E{|B&6$[} private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'ztOl`I5V {
lI=<lmM0|/ if (e.Item.ItemType!=ListItemType.Header)
(SBhU:^h {
O:wG/et e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
&