1. 打开新的窗口并传送参数:
F"=Hp4-C "uhV|Lk*7 传送参数:
phS>T response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3SFg# xKb"p4k9d 接收参数:
Qg> 0G%cXU string a = Request.QueryString("id");
4Cd#sQ string b = Request.QueryString("id1");
QP V@'.2m "Y(^F
bs 2.为按钮添加对话框
ALAL( f` Button1.Attributes.Add("onclick","return confirm(’确认?’)");
6g|#ho1Bbs button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
pw;r 25 f8#*mQ 3.删除表格选定记录
$`v+4] int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
:ol6%Z's string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
)Oe`s(O@[I y7La_FPrl 4.删除表格记录警告
Wxs>osq private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
bKByU{t {
FF3&Y^+^" switch(e.Item.ItemType)
fCr\u6Tb {
Gql`>~ case ListItemType.Item :
tIp{},bQ^ case ListItemType.AlternatingItem :
u?Z
<n: case ListItemType.EditItem:
`I{ tZ$iD TableCell myTableCell;
?U JSxL myTableCell = e.Item.Cells[14];
?~ ?Hdv LinkButton myDeleteButton ;
{wv&t R; myDeleteButton = (LinkButton)myTableCell.Controls[0];
}1F6?do3& myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
&M=3{[ break;
EIPnm%{1 default:
c"qPTjY break;
w49{-Pp[ }
shNE~TA k{{hZ/om }
p_9g|B0D lZvS0JS 5.点击表格行链接另一页
C/y(E|zC$ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
zU
b8NOi {
hMWo\qM //点击表格打开
?DRR+n _ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
X?R
|x[ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
:t%)5:@A }
dEG ]riO Fn> <q: 双击表格连接到另一页
Uh%6LPg^ ]'e AO 在itemDataBind事件中
KD=bkZ& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
iU XM(] {
>+SZd7p string OrderItemID =e.item.cells[1].Text;
>"b[r ...
8(^
,r#Gy e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
u6pIdt }
hm6pxFkX_ 'mUI-1GkT 双击表格打开新一页
4@mso+tk if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
/L$NE$D} " {
r*]uR /Z$ string OrderItemID =e.item.cells[1].Text;
8
#Fh> ...
vU{jda$$# e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
_6LH"o3 }
d
"B5==0I La]4/=a ★特别注意:【?id=】 处不能为 【?id =】
z
7@ 'CJ 6.表格超连接列传递参数
hRLKb} <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
POY=zUQ'/ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
BJ2Q 2WW d{3I.$ThH 7.表格点击改变颜色
w_GLC%|7 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
P|8e%P {
/0l-mfRr e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
^H-QYuz:T0 this.style.color=’buttontext’;this.style.cursor=’default’;");
Qj:{p5H' }
2$3kKY6$e ]Cr]Pvab{ 写在DataGrid的_ItemDataBound里
%pqL-G if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
/xJY7yF {
Uqr{,-]5v e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
l:x_j\ this.style.color=’buttontext’;this.style.cursor=’default’;");
| 4 `.#4 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
g/!Otgfu }
ff[C' j37: p8_2y~! 8.关于日期格式
juXC?2c 1P \up 日期格式设定
l%@dE7<Z DataFormatString="{0:yyyy-MM-dd}"
5/k)\` E::<;9 我觉得应该在itembound事件中
4V1|jy3 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
&62`Wr 0C p#z;cjfSt 9.获取错误信息并到指定页面
dhs#D:/{9 K# /Ch5? 不要使用Response.Redirect,而应该使用Server.Transfer
dw3'T4TC? bYK]G+Ww e.g
M{G$Pk8[ // in global.asax
V.U|OQouT protected void Application_Error(Object sender, EventArgs e) {
5"[yFmP* if (Server.GetLastError() is HttpUnhandledException)
VSx%8IM+X Server.Transfer("MyErrorPage.aspx");
vmMV n-\# A=W5W5l(> //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
\ x:_*`fU }
~yd%~| W;91H'`?H 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
ynx WQ%d(` ?$2q P`- 10.清空Cookie
I>\}}! Cookie.Expires=[DateTime];
V!\n3i?i Response.Cookies("UserName").Expires = 0
FU'^n6[<B {Qm6?H 11.自定义异常处理
?F9hDLX //自定义异常处理类
vrQFx~ZztH using System;
[l`^fnKt using System.Diagnostics;
3b,= 1 iquHn namespace MyAppException
J tThkh'-" {
cj`#Tg. /// <summary>
,b.kw}k /// 从系统异常类ApplicationException继承的应用程序异常处理类。
r,QJG$ Jo /// 自动将异常内容记录到Windows NT/2000的应用程序日志
#%;<FFu\ /// </summary>
Q.*'H_Y public class AppException:System.ApplicationException
V2lp7" {
UP5%C; public AppException()
^GrNfB[Qu {
xu`d`!Tx if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Vvx a.B }
3LT+9ad2d t
CkoYrvT public AppException(string message)
kqQphKkL {
B#;s(O LogEvent(message);
xh=FkY&d }
gD,A9a(3 \\y}DNh public AppException(string message,Exception innerException)
SIj6.RK {
iZsau2K LogEvent(message);
#/\pUK~km if (innerException != null)
u!m,ilAnd {
PXOq# LogEvent(innerException.Message);
?G2qlna }
|zK!+fu }
lR|$*:+ 6JUav."`~ //日志记录类
3we.*\2$ using System;
jq7vOr-_g using System.Configuration;
(N&k}CO]W using System.Diagnostics;
/QV [N using System.IO;
u Eu6f using System.Text;
n$nne6|O using System.Threading;
TJeou#=/ H9.oVF^~ namespace MyEventLog
aE%eJ)+K {
tU8g(ep,o /// <summary>
!E4E' I=]N /// 事件日志记录类,提供事件日志记录支持
Nck!z8 /// <remarks>
c_R)P,P /// 定义了4个日志记录方法 (error, warning, info, trace)
6z1aG9G /// </remarks>
#nxER /// </summary>
%V@R k.< public class ApplicationLog
o'9OPoof:. {
/h{go]&Nb /// <summary>
rTN"SQt /// 将错误信息记录到Win2000/NT事件日志中
5d)'`hACe /// <param name="message">需要记录的文本信息</param>
;5,`Jpca /// </summary>
>OF:"_fh public static void WriteError(String message)
wghFGHgw {
NN31?wt WriteLog(TraceLevel.Error, message);
Dwm@E\^ihm }
WO.}DUfG+ 'YBLU )v[ /// <summary>
Lf$Q
%eM0 /// 将警告信息记录到Win2000/NT事件日志中
<=B1"'\ /// <param name="message">需要记录的文本信息</param>
IM l9\U /// </summary>
b(+w.R(+Ti public static void WriteWarning(String message)
,%"\\#3S {
2@"0}po# WriteLog(TraceLevel.Warning, message);
ux"D
]P }
yfRUTG 03i?"MvNo /// <summary>
6Cop#kW# /// 将提示信息记录到Win2000/NT事件日志中
n"K {uj)) /// <param name="message">需要记录的文本信息</param>
;'b!7sMO~ /// </summary>
hfl%r9o public static void WriteInfo(String message)
b/a?\0^ {
6E)uu; 8 WriteLog(TraceLevel.Info, message);
hY4)W }
H]T2$'U6 /// <summary>
R#[QoyJ /// 将跟踪信息记录到Win2000/NT事件日志中
?15POY ?Z /// <param name="message">需要记录的文本信息</param>
"jkw8UVz /// </summary>
QZ:]8MHl] public static void WriteTrace(String message)
< -@, {
a#OhWqu$ WriteLog(TraceLevel.Verbose, message);
Vq)|gF[6i }
*SMoodFBS b#/V; /// <summary>
0+VncL)u /// 格式化记录到事件日志的文本信息格式
1@1+4P0NF[ /// <param name="ex">需要格式化的异常对象</param>
U|y;b+n` /// <param name="catchInfo">异常信息标题字符串.</param>
3:02`;3 /// <retvalue>
6T}
CPDRq /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
9.MGH2^L? /// </retvalue>
Y_|K,T6Zj@ /// </summary>
b3CspBgC public static String FormatException(Exception ex, String catchInfo)
A~yw8v5UF {
?%8})^Dd>4 StringBuilder strBuilder = new StringBuilder();
Q(!}t"u if (catchInfo != String.Empty)
Kq@m?h {
[Ls2k&)0 strBuilder.Append(catchInfo).Append("\r\n");
)Rm
'YmO }
:yFTaniJ'. strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
&y+PSa%n return strBuilder.ToString();
SSA%1l2! }
h0Sy']3m &K}(A{ /// <summary>
Nd]%ati? /// 实际事件日志写入方法
Qzs\|KS /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
ZmR[5 mv@ /// <param name="messageText">要记录的文本.</param>
OyG_thX /// </summary>
7E\K!v_ private static void WriteLog(TraceLevel level, String messageText)
jl 30\M7 {
sJjl)Qs)T try
ECE{xoc {
mPw56> EventLogEntryType LogEntryType;
6qHvq
A, switch (level)
"0!eb3n {
|({UV-` case TraceLevel.Error:
b;~EJ LogEntryType = EventLogEntryType.Error;
sg9x?Bx9 break;
21)-:rS case TraceLevel.Warning:
^8f|clw" LogEntryType = EventLogEntryType.Warning;
edImrm1f break;
99+/W*C case TraceLevel.Info:
!lt\2Ae LogEntryType = EventLogEntryType.Information;
`|ck5DZT5L break;
6S+K*/w case TraceLevel.Verbose:
oE|u;o LogEntryType = EventLogEntryType.SuccessAudit;
X{9JSq break;
4E>/*F! default:
C^8)IN=$ LogEntryType = EventLogEntryType.SuccessAudit;
U d=gdsL break;
3 DO$^JJ. }
1>*UbV<R;u 0[$Mo3c+' EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
rz%[o,s //写入事件日志
A aF5` eventLog.WriteEntry(messageText, LogEntryType);
kgbr+Yw2X >1)@n3. <O }
1X!f!0=g+ catch {} //忽略任何异常
y uK5 r }
w Ycz\uV } //class ApplicationLog
+y{93nl }
3Av(|<cR 2*7s9g 12.Panel 横向滚动,纵向自动扩展
:.'T+LI <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
t$PnQ@xu #K,qF* 13.回车转换成Tab
pb2{J# <script language="javascript" for="document" event="onkeydown">
z"P,=M6De if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
uX5--o=C event.keyCode=9;
PE6u8ZAb" </script>
a*n%SUP :x*|lz[ onkeydown="if(event.keyCode==13) event.keyCode=9"
]rX?n }9+1<mT9a/ 14.DataGrid超级连接列
dnWt\>6&
2 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
i&s=!` $M3A+6["H 15.DataGrid行随鼠标变色
)zc8bS private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
GYb2m"a) {
(=3&