1. 打开新的窗口并传送参数:
z8E1 m" O#)jr-vXdV 传送参数:
49AW6H.JT response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
-U>y 7/aOsW"6 接收参数:
#Y2i*:< string a = Request.QueryString("id");
S( string b = Request.QueryString("id1");
!J3UqS LBat:7aH> 2.为按钮添加对话框
7CGyC[[T~ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
z8"7u/4v{ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
iG#}` D<>@
%"% 3.删除表格选定记录
y! ~qbh[ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Be2lMC string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
p$Hi[upy |
&7S8Q 4.删除表格记录警告
H; Ku
w private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
t0Mx!p'T {
^AL2H' switch(e.Item.ItemType)
X:|8vS+0gU {
}gv8au< case ListItemType.Item :
W3GNA""O case ListItemType.AlternatingItem :
VL\t>n case ListItemType.EditItem:
q9]IIv TableCell myTableCell;
/&^W#U$4 myTableCell = e.Item.Cells[14];
wMWW=$h#\ LinkButton myDeleteButton ;
d|lpec myDeleteButton = (LinkButton)myTableCell.Controls[0];
T.ML$"f myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
.X'p q5 break;
A%XX5* default:
cj$d=k~ break;
F9a^ED0l\ }
r^1+cwy/7P X!>eiYK) }
r@kP* |ZiC`Nt 5.点击表格行链接另一页
%S \8. private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
x`%JI=q {
SwW['c'*]B //点击表格打开
b?T if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
oyvKag e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
n}?wVfEy }
Gh\q^?} GpI!J}~m 双击表格连接到另一页
+?dl`!rE c{Ou^.yR 在itemDataBind事件中
xfFg,9w8 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
gE])!GMM3 {
M{mSd2 string OrderItemID =e.item.cells[1].Text;
4a''Mi`u ...
:J/M,3 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
NxA)@9Q }
Hy_;nN+e 4vWkT8HQ 双击表格打开新一页
=d)-Fd2li if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>V$ Gx>I {
])}]/Qw string OrderItemID =e.item.cells[1].Text;
Qk9 76 ...
}H"kU2l e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
[p;E~-S }
[eUftr9&0 fo0+dzazY ★特别注意:【?id=】 处不能为 【?id =】
AUe# RP 6.表格超连接列传递参数
~1L:_Sg* <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
OLC{iD# <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
&ldBv_ 3W_PE+:Kr 7.表格点击改变颜色
2RM+W2!! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_iV]_\0W2 {
`bjizS'^ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
0#cy=*E this.style.color=’buttontext’;this.style.cursor=’default’;");
,yd= e}lQx }
_zWfI.o T0z n,ej 写在DataGrid的_ItemDataBound里
\S~Vx!9w if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
XB59Vm0E= {
!\Xm!I8 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
T r0B[QF this.style.color=’buttontext’;this.style.cursor=’default’;");
2L?!tBw?1 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
$~;D9 }
-E"GX /X'(3'a G 2!xPHz 8.关于日期格式
\QE)m<GUe ^=
0m-/ 日期格式设定
]X Z-o>+, DataFormatString="{0:yyyy-MM-dd}"
%zk$}}ti. Y!J>U 我觉得应该在itembound事件中
?>"Yr,b? e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
#~O b)q| 0tg8~H3yy 9.获取错误信息并到指定页面
kn"(mJe$ xg_Df, 不要使用Response.Redirect,而应该使用Server.Transfer
::FS/Y]Fg :>Rv!x` e.g
<Z}SKR"U% // in global.asax
XxIHoX& protected void Application_Error(Object sender, EventArgs e) {
3jB$2: # if (Server.GetLastError() is HttpUnhandledException)
YuZ"s55zU{ Server.Transfer("MyErrorPage.aspx");
3psU?8( Z_1U9+, //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
/zDi9W*~1 }
jO*l3:!~ \ UhA"nt0 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
@c9^q>Uv R218(8S 10.清空Cookie
k@ZLg9 Cookie.Expires=[DateTime];
xj5;: g#! Response.Cookies("UserName").Expires = 0
YW u cvw& 4lhw3,5 11.自定义异常处理
:G\<y //自定义异常处理类
I$N8tn+E using System;
t58e(dgi using System.Diagnostics;
)9l^O
,C%eBna4Iq namespace MyAppException
&nBa=Enf {
^uv<6 /// <summary>
iu&wO<)+? /// 从系统异常类ApplicationException继承的应用程序异常处理类。
AKMm&(fh% /// 自动将异常内容记录到Windows NT/2000的应用程序日志
^P151*=D /// </summary>
nWQ;9_qBB public class AppException:System.ApplicationException
!*6CWV0 {
`W/sP\3 public AppException()
#Zrlp.M4 {
=] *.ZH#h if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
mU}F!J#6 }
.`>y@p! [q !TIq public AppException(string message)
^&y$Wd]6 {
u#}[ZoI LogEvent(message);
x#Sqn# }
F 8B#}%JE aaD;jxT&M| public AppException(string message,Exception innerException)
UG=K|OXWJ {
"Ph^BUAb LogEvent(message);
NaX if (innerException != null)
?QE,;QtpK {
|2{wG4 LogEvent(innerException.Message);
@E:,lA }
?-^~f }
OS8q( 2z?s (?nCyHC%g //日志记录类
_h}kp\sps using System;
^Q+g({
using System.Configuration;
/0Ax*919j using System.Diagnostics;
c("_bOAT using System.IO;
S)DnPjN{ using System.Text;
pb~pN using System.Threading;
dAy?EO0\7 K tNY_&xd namespace MyEventLog
)7h$G-fe {
OpHsob~ /// <summary>
C*P7-oE2rh /// 事件日志记录类,提供事件日志记录支持
B(M6@1m_ /// <remarks>
O{#=d /// 定义了4个日志记录方法 (error, warning, info, trace)
F_CYYGZ /// </remarks>
72'5%*1 /// </summary>
pR~U`r5z public class ApplicationLog
8<Hf"M {
5LOo8xN /// <summary>
,cNLkoN /// 将错误信息记录到Win2000/NT事件日志中
KZ/=IP= /// <param name="message">需要记录的文本信息</param>
K'GBMnjD /// </summary>
/~3r;M public static void WriteError(String message)
H)n9O/u {
aA,!<^&} WriteLog(TraceLevel.Error, message);
K.0:C`C }
S\;V4@<Kn M3q|l7|9 /// <summary>
x)@G;nZ /// 将警告信息记录到Win2000/NT事件日志中
w!D|]LoE /// <param name="message">需要记录的文本信息</param>
irfp!(r /// </summary>
6fw(T.Pe public static void WriteWarning(String message)
DY`kx2e! {
;3@cy|\: WriteLog(TraceLevel.Warning, message);
(SvWvm }
|j7,Mu+ /FRm2m83 /// <summary>
T:; 2 /// 将提示信息记录到Win2000/NT事件日志中
,N)/w1?I /// <param name="message">需要记录的文本信息</param>
@H=:)*; /// </summary>
:5{wf Am public static void WriteInfo(String message)
DP|D\+YyYA {
xoN3 WriteLog(TraceLevel.Info, message);
i*Z"Me }
-PfX0y9n /// <summary>
#?S^kM-0 /// 将跟踪信息记录到Win2000/NT事件日志中
6ZP"p<xX /// <param name="message">需要记录的文本信息</param>
Q637N|01 /// </summary>
`G}TG( public static void WriteTrace(String message)
`7r@a {
maNl^i WriteLog(TraceLevel.Verbose, message);
3eF-8Z(f }
sc}~8T Sn|BlXrey /// <summary>
X<I+&Zi /// 格式化记录到事件日志的文本信息格式
X"fb; sGT /// <param name="ex">需要格式化的异常对象</param>
5;YMqUkw /// <param name="catchInfo">异常信息标题字符串.</param>
Ck)*& /// <retvalue>
s6@DGSJ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
ATK_DEAu /// </retvalue>
6}FP /// </summary>
B&n<M]7 public static String FormatException(Exception ex, String catchInfo)
,Pdf,2 {
t&AFUt\c StringBuilder strBuilder = new StringBuilder();
V T\F]Oa# if (catchInfo != String.Empty)
fR(d {
uc){+'[ strBuilder.Append(catchInfo).Append("\r\n");
3R.W>U }
U`2e{>'4t strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
T[g[&K1Y return strBuilder.ToString();
5?]hd*8 }
T9Nb`sbV] K/|Z$4S /// <summary>
x$6^R q>2 /// 实际事件日志写入方法
`ojoOB^L /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
u=`L) /// <param name="messageText">要记录的文本.</param>
\nPEyw,U /// </summary>
~Vr.J}]J private static void WriteLog(TraceLevel level, String messageText)
)p<ExMIxd {
~?K ~L~f5 try
0.8 2kl {
}&wUr>= EventLogEntryType LogEntryType;
^c9t'V`IWQ switch (level)
ewctkI$,5 {
+JjW_Rl?=V case TraceLevel.Error:
n[lJLm^(_C LogEntryType = EventLogEntryType.Error;
^\4h<M break;
{y=j?lD case TraceLevel.Warning:
K/IWH[ LogEntryType = EventLogEntryType.Warning;
wk5s)%V break;
Ab{ K<:l case TraceLevel.Info:
W04@!_) < LogEntryType = EventLogEntryType.Information;
ahJ`$U4n break;
n>BkTaI case TraceLevel.Verbose:
MkfBuW;) LogEntryType = EventLogEntryType.SuccessAudit;
U:^PC
x` break;
--$
4Q(# default:
Cv6'`",Yzm LogEntryType = EventLogEntryType.SuccessAudit;
_V7s#_p break;
x!5'`A!W% }
Vl&?U ,-8"R`UI8 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
DtXrWS/ //写入事件日志
_`&m\Qe> eventLog.WriteEntry(messageText, LogEntryType);
3G}x;Cp\D 1g8_Xe4 }
nn@-W] catch {} //忽略任何异常
"_-Po^u=r }
%A1o.{H } //class ApplicationLog
TO]@
Zu1 }
~*z% e*EL gOSJM1Mr3 12.Panel 横向滚动,纵向自动扩展
ME46V6[LX] <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
=P't(< zv0l,-o 13.回车转换成Tab
}$SavB#SBP <script language="javascript" for="document" event="onkeydown">
<>y;.@}Q if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
itBwCIj G event.keyCode=9;
-GhP9; d </script>
[q?<Qe ,|y:" s onkeydown="if(event.keyCode==13) event.keyCode=9"
WrQD X3 B+\3-q 14.DataGrid超级连接列
D~S<U DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
^o3"#r{:+ Ve}(s?hU5 15.DataGrid行随鼠标变色
_(%d(E2? private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
<D<4BnZ( {
"p_J8 if (e.Item.ItemType!=ListItemType.Header)
$rv8K j+ {
[uC]*G] e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
8xMEe:}V e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
e!N:,`R
5 }
BTGvN% }
RYQ<Zr$! #@YPic"n7` 16.模板列
%b&".mN <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
8!O5quEc <ITEMTEMPLATE>
uwzvb gup? <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
[$0p+1 </ITEMTEMPLATE>
g!@<n1 L </ASP:TEMPLATECOLUMN>
-JMdE_h _}lZ,L(w <ASP:TEMPLATECOLUMN headertext="选中">
qE&v ; <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
YVQN&|- <ITEMTEMPLATE>
PRu 6xsyA <ASP:CHECKBOX id="chkExport" runat="server" />
.7e2YI,S </ITEMTEMPLATE>
#hfXZVD <EDITITEMTEMPLATE>
\KMToN&2 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
tItX y </EDITITEMTEMPLATE>
[I'0,y </ASP:TEMPLATECOLUMN>
nw -xSS{ gw#5jW\ 后台代码
XewVcRo protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
g7}Gip}.> {
1C}NQ!. //改变列的选定,实现全选或全不选。
.k,1f*% CheckBox chkExport ;
RDW8]=uM if( CheckAll.Checked)
)97SnCkal {
`eE&