1. 打开新的窗口并传送参数:
ekrBNDs9 ,|A{!j` 传送参数:
SGQDro=l response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
wBLsz/ rJX\6{V!_ 接收参数:
&h\7^=s. string a = Request.QueryString("id");
/Ad6+cY string b = Request.QueryString("id1");
f
P+QxOz z1#oWf{* 2.为按钮添加对话框
FQ1arUOFW, Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Ll?g.z" button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
@bE~@4mOu $ND90my 3.删除表格选定记录
\d:h$ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
u"\=^F string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
/ xs9.w8- `wf|u M 4.删除表格记录警告
(V8?,G > private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
N70zjy4?fL {
y>)MAzz~\ switch(e.Item.ItemType)
BK*z 4m {
wz h.$?~ case ListItemType.Item :
Fk aXA.JE case ListItemType.AlternatingItem :
UP?D@ogl< case ListItemType.EditItem:
tR5tPPw TableCell myTableCell;
0_Lm#fE U myTableCell = e.Item.Cells[14];
(m/aV LinkButton myDeleteButton ;
t GC2
^a#~ myDeleteButton = (LinkButton)myTableCell.Controls[0];
=E!x~S;N myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
g9`[Y~ break;
Nkx0CG* default:
i0iez9B
break;
e+l\\9v }
m!0N"AjA CB6 o$U }
fQP,= &lq^dFP&Su 5.点击表格行链接另一页
LfHzT<)| private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Jl_~_Z {
ZJ9x6|q //点击表格打开
V8tghw if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
f0u56I9 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
y~dB5/ }
rpSr^slr d-h"JZ9 双击表格连接到另一页
b9DR%hO: :pb67Al29 在itemDataBind事件中
~o i)Lf1 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
E0<)oQ0Xa> {
g#|oif9o string OrderItemID =e.item.cells[1].Text;
!VFem~'d ...
Y+@g~TE e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
R5gado }
6e<^oH \q,s?`+B 双击表格打开新一页
i%MA"I\9 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
C 0>=x{,v {
VVFV8T4 string OrderItemID =e.item.cells[1].Text;
VyY.r#@ ...
MUB37
e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
S+iP^*L,c }
<XvYa{t]{ 2kVp_=c ★特别注意:【?id=】 处不能为 【?id =】
4#7Umj 6.表格超连接列传递参数
.yX>.>"T| <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
VGB-h' <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
`R0Y+#$8h VAs(.y 7.表格点击改变颜色
L1{T
?aII if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
z&>|*C.Y {
FQ!Oxlq,Q e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
gB >pd?d this.style.color=’buttontext’;this.style.cursor=’default’;");
V_f`0\[x }
G5;V.#"Z[ Z7KXWu+6`m 写在DataGrid的_ItemDataBound里
T/NjNEd# if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
v8~YR'T0`V {
Fg4@On[,i e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
F"[3c6yF this.style.color=’buttontext’;this.style.cursor=’default’;");
8%-%AWF] e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
vK:QX$b }
:3 y_mf> 3nrqo<X R6<4"?*r 8.关于日期格式
a,cC!
&[~[~m| 日期格式设定
OX^3Q:Z= DataFormatString="{0:yyyy-MM-dd}"
`|?]CkP )!sa)\E? 我觉得应该在itembound事件中
;cLUnsB\ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
r)8z#W>s sf)W~Lx5a 9.获取错误信息并到指定页面
'hF@><sqk d;44;*D 不要使用Response.Redirect,而应该使用Server.Transfer
@)b^^Fp 0+j}}; e.g
S(w\Z C // in global.asax
h)@InYwu7 protected void Application_Error(Object sender, EventArgs e) {
02pplDFsM if (Server.GetLastError() is HttpUnhandledException)
;wgFr.#hp@ Server.Transfer("MyErrorPage.aspx");
3e
73l H(&Z:{L //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
KuXkI;63J> }
[q3+$W \r Jn#K0(FQ 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
`pm>' H;y}-=J+ 10.清空Cookie
!DcX8~~@ Cookie.Expires=[DateTime];
^mf jn-=3 Response.Cookies("UserName").Expires = 0
"lrA%~3%[P PUCx]5 11.自定义异常处理
Ag6uR(uI //自定义异常处理类
%Rarr using System;
)5G QJiY using System.Diagnostics;
?wCs&tM q% EC namespace MyAppException
?bI?GvSh {
4U{m7[ /// <summary>
uA%Ts*aN /// 从系统异常类ApplicationException继承的应用程序异常处理类。
}N]!0Ka /// 自动将异常内容记录到Windows NT/2000的应用程序日志
=~JfVozU /// </summary>
pBU]=[M0 public class AppException:System.ApplicationException
kFwxK"n@C {
U&Ab#m; public AppException()
VYigxhP7 {
iC*U $+JG if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
ERC<Dd0 }
8Zw]f-5x\ 7Ud'd< public AppException(string message)
]]/lC {
}p{;^B LogEvent(message);
4swKjN
& }
M2p<u-6
" Pb4q`! public AppException(string message,Exception innerException)
1Z 6SI>p {
(yGQa5v LogEvent(message);
[gZDQcU if (innerException != null)
h.^o)T {
j+Zt.KXjT LogEvent(innerException.Message);
9wMEvX70 }
OZT^\Ky_l }
Sn ^Aud k>>`fE\K //日志记录类
W_m!@T"@H using System;
~p.%.b;~t using System.Configuration;
t'aSF{% using System.Diagnostics;
)&z4_l8`= using System.IO;
N7pt:G2~% using System.Text;
?Pnx~m{%* using System.Threading;
7E\gxQ(vU )S Q('vwg namespace MyEventLog
[>p6 {
f`J|>Vk /// <summary>
Yrsp%<qj /// 事件日志记录类,提供事件日志记录支持
HamEIL-l. /// <remarks>
)E~_rDTl /// 定义了4个日志记录方法 (error, warning, info, trace)
ppFYc\&= /// </remarks>
`p1DaV /// </summary>
$3 vhddO public class ApplicationLog
:t5uDKZ_j) {
1|/'"9v /// <summary>
,R}Z=w# /// 将错误信息记录到Win2000/NT事件日志中
OpqNEo\ /// <param name="message">需要记录的文本信息</param>
A$<>JVv /// </summary>
i6PE6>
1/ public static void WriteError(String message)
G4m4k {
Y}/c
N\ WriteLog(TraceLevel.Error, message);
gIBpOPr^d }
)UP8#|$#T df
?eL2v /// <summary>
6ZOAmH fs /// 将警告信息记录到Win2000/NT事件日志中
f?0D%pxc}& /// <param name="message">需要记录的文本信息</param>
gn`zy9PU /// </summary>
OAVQ`ek public static void WriteWarning(String message)
A;T[[' {
m#MlH=- WriteLog(TraceLevel.Warning, message);
e`AUYli" }
IXJ6PpQLv "uhV|Lk*7 /// <summary>
0\wi am- /// 将提示信息记录到Win2000/NT事件日志中
'=@r7g.2 /// <param name="message">需要记录的文本信息</param>
^]7,1dH}M /// </summary>
(Y )!"_| public static void WriteInfo(String message)
gD1+]am {
t9Vb~ Ubdb WriteLog(TraceLevel.Info, message);
ALAL( f` }
]?#
#))RUS /// <summary>
C
Oa.xyp /// 将跟踪信息记录到Win2000/NT事件日志中
Z8fJ{uOIL /// <param name="message">需要记录的文本信息</param>
6qDfcs /// </summary>
_4!{IdR public static void WriteTrace(String message)
0[i}rC9& {
FT4l$g7" WriteLog(TraceLevel.Verbose, message);
RF!'K
ko }
A!4VjE> &N9IcNP /// <summary>
?rQc<;b /// 格式化记录到事件日志的文本信息格式
(Xj.iP /// <param name="ex">需要格式化的异常对象</param>
=1/q)b,p) /// <param name="catchInfo">异常信息标题字符串.</param>
&D)2KD"N /// <retvalue>
?$16A+ /// <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;e$kg1 /// </retvalue>
(JU_8j! /// </summary>
0+|>-b/% public static String FormatException(Exception ex, String catchInfo)
\kyM}5G(<0 {
f,JX" StringBuilder strBuilder = new StringBuilder();
hbH#Co~o4# if (catchInfo != String.Empty)
s,kU*kHn {
hMWo\qM strBuilder.Append(catchInfo).Append("\r\n");
wB2}uk7 }
c(E,&{+E strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
;b| return strBuilder.ToString();
Fn> <q: }
p>&S7M/9 Tm\OYYyk /// <summary>
gZ*hkKN6 /// 实际事件日志写入方法
N|$5/bV /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
ZqFUPHc /// <param name="messageText">要记录的文本.</param>
R|-j]Ne /// </summary>
0:#7M}U private static void WriteLog(TraceLevel level, String messageText)
. wmkj {
ZBC@xM&- try
]Ly8s#<g]N {
4gya] EventLogEntryType LogEntryType;
@C07k^j=U switch (level)
_6LH"o3 {
&8afl"_~ case TraceLevel.Error:
+NT:<(;|i5 LogEntryType = EventLogEntryType.Error;
VmYBa( break;
(s;zRb!4L case TraceLevel.Warning:
9GE]<v,_[ LogEntryType = EventLogEntryType.Warning;
H<XlUCr_~+ break;
uD[^K1Ag]^ case TraceLevel.Info:
?l>e75V%w LogEntryType = EventLogEntryType.Information;
smbUu/ break;
TGtyJ3x\ case TraceLevel.Verbose:
/xJY7yF LogEntryType = EventLogEntryType.SuccessAudit;
boIVU`F-! break;
%^T!@uZr default:
g&XhQ.aa LogEntryType = EventLogEntryType.SuccessAudit;
{n6\g]p3 break;
YY\Rua/nG }
9[Y*k^.! [m
%W:Ez EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
,;c{9H //写入事件日志
_Po#ZGm~ eventLog.WriteEntry(messageText, LogEntryType);
h>.9RX & J(^
>?d' }
p#z;cjfSt catch {} //忽略任何异常
I IYL A( }
T6;>O`B.r } //class ApplicationLog
sb 8dc }
D?%e"*> 1aVgwAI
12.Panel 横向滚动,纵向自动扩展
dbg|VoNf <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
rrYp'L YyG~#6aCh 13.回车转换成Tab
48;~bVr} <script language="javascript" for="document" event="onkeydown">
<jg8y'm@0 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
9wzg{4/-$ event.keyCode=9;
a~6ztEhGm </script>
H8(C>w-' 8dlInms onkeydown="if(event.keyCode==13) event.keyCode=9"
z(#=tC| w9'H.Lq 14.DataGrid超级连接列
#.~.UHt DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
^971<B(v :C>J-zY 15.DataGrid行随鼠标变色
|HNQ|r_5S private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
cj`#Tg. {
[9w, WJL if (e.Item.ItemType!=ListItemType.Header)
$+iu\MuX {
9DmSs=A e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
p?_'|#tz e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
38<~R }
AUu5g }
|3aS17yL> ZWov_ 16.模板列
kqQphKkL <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
neK*jdaP <ITEMTEMPLATE>
2lX[hFa5 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
(R,NV3m?w </ITEMTEMPLATE>
}k4` </ASP:TEMPLATECOLUMN>
iZsau2K @"jmI&hYn <ASP:TEMPLATECOLUMN headertext="选中">
4V!1/w <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
{K< ~
vj; <ITEMTEMPLATE>
aB/{ %%o <ASP:CHECKBOX id="chkExport" runat="server" />
$:xF)E </ITEMTEMPLATE>
AECxd[k$9 <EDITITEMTEMPLATE>
yp( ?1 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
/QV [N </EDITITEMTEMPLATE>
~+7a d$ </ASP:TEMPLATECOLUMN>
YK(XS"Kl |TC3*Y 后台代码
aE%eJ)+K protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
h9,wiT {
0G+L1a- //改变列的选定,实现全选或全不选。
eUzU]6h CheckBox chkExport ;
f0:EQYYZ if( CheckAll.Checked)
i=,B88ko {
o'9OPoof:. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
a15,'v$O {
zpBBnlq chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=U)n`#6_j2 chkExport.Checked = true;
h
v;n[ }
6R3"L]J }
S7@ZtFf else
t;Fbt("]: {
b'1/cY/! foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
!gD 3CA {
}rFsU\]:q chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Fh*q]1F chkExport.Checked = false;
>w%d'e$ }
yfRUTG }
bCJ<=X,g`K }
!UUmy% 9 FZeN, 17.数字格式化
hfl%r9o V{ 4i$' 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
,f-T1v" <%#Container.DataItem("price","{0:¥#,##0.00}")%>
gxBl1 [R@q]S/ int i=123456;
<lg"M;&Ht string s=i.ToString("###,###.00");
e/m'a|%: ~Q.8 U3" 18.日期格式化
FJ3:}r6 " \N'hbT= 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
PV Q#>_~5 XcJ'm{=
显示为: 2004-8-11 19:44:28
4iL.4Uj{N (;Dn%kK 我只想要:2004-8-11 】
Zu [?' <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
GlV-}5W <