1. 打开新的窗口并传送参数:
&xnQLz:# h aAY =: 传送参数:
CvoFt=c$jE response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3z8i0 W7S~~ 接收参数:
C-&ymJC| string a = Request.QueryString("id");
'UX.Q7W string b = Request.QueryString("id1");
ORExI.<`W 0pZvW 2.为按钮添加对话框
Ir9GgB Button1.Attributes.Add("onclick","return confirm(’确认?’)");
'R7 \ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
n#(pT3&
~aob@( 3.删除表格选定记录
8z9{H int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
=XP[3~ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
@-$8)?`q ~t6q-P 4.删除表格记录警告
A8)4nOXM private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
.GrOdDK$ns {
l=~!'1@L} switch(e.Item.ItemType)
MEDh {
KgL!~J case ListItemType.Item :
/DQYlNa case ListItemType.AlternatingItem :
H"A%mrb case ListItemType.EditItem:
}3(!kW TableCell myTableCell;
w~66G myTableCell = e.Item.Cells[14];
#HUn~r LinkButton myDeleteButton ;
.biq)Le myDeleteButton = (LinkButton)myTableCell.Controls[0];
rAenxZ,tF myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
86ao{l6l C break;
=nEP:7~{ default:
\-\>JPO~< break;
I
]m }
|2(q9j - x }
SQodk:1) /$~1e7W 5.点击表格行链接另一页
KWJVc
` private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
j}+3+ 8D {
E7 Cobpm //点击表格打开
8D*7{Q if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
#ArrQeO 5_ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
1Bh"'9-!JT }
}3Es&p$9 Rh="<'d 双击表格连接到另一页
}[p{%:tP o@meogkL 在itemDataBind事件中
^z?b6kTC if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3?93Pj3oPt {
4Gu'WbJ string OrderItemID =e.item.cells[1].Text;
B%F]K<
...
-U|c~Cqc e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
@Z5q2Q }
3smkY "{0G,tdA 双击表格打开新一页
SB62(#YR if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
)GP;KUVae {
!:(+# string OrderItemID =e.item.cells[1].Text;
[,=?e ...
@*;x1A-]V e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
j7I=2xnTWu }
3",gjXmBu bWFa{W5! ★特别注意:【?id=】 处不能为 【?id =】
Wf~^,]9N 6.表格超连接列传递参数
Jh"[ug <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
:.:^\Q0 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
"x,lL .$U,bE 7.表格点击改变颜色
N_Us6X if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
&PMQ]B {
t{k:H4 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
+gl\l?>sr this.style.color=’buttontext’;this.style.cursor=’default’;");
h:Pfiw] }
_){|/Zd [4Q;(67 写在DataGrid的_ItemDataBound里
}k-V( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
; lMv xt: {
!6/UwPs e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
~j!n`#.\ this.style.color=’buttontext’;this.style.cursor=’default’;");
2Kxb(q" e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
;*%rFt9FK }
0]d;)_`@ [$dVs16K W;u.@I& 8.关于日期格式
,,H5zmgA !LKxZ" 日期格式设定
u]ms~rO DataFormatString="{0:yyyy-MM-dd}"
7D'\z
IW 1]xmOx[mb 我觉得应该在itembound事件中
d1~#@6CIz e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
f2gtz{r N{Sp-J> 9.获取错误信息并到指定页面
hFV,FBsAO & SXw=;B 不要使用Response.Redirect,而应该使用Server.Transfer
V]zZb-m= }Rh\JDiQ e.g
jKUEs75] // in global.asax
lZk
z\ protected void Application_Error(Object sender, EventArgs e) {
CW1l;uwtU if (Server.GetLastError() is HttpUnhandledException)
]J Yz(m[ Server.Transfer("MyErrorPage.aspx");
L;V8c ')jItje| //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
':.Hz]]/A }
Q[OwP F5?S8=i Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
hBU)gP75 e#[Klh$]EW 10.清空Cookie
A-Ba%Fv Cookie.Expires=[DateTime];
N,Y)'s< Response.Cookies("UserName").Expires = 0
w$
8r<?^3 2@S}x@^ 11.自定义异常处理
xpdpD //自定义异常处理类
'/O:@P5qY using System;
.SC*! , using System.Diagnostics;
:FAPH8] <rzP namespace MyAppException
Q}#Je.; {
15ailA&(Qm /// <summary>
Z],j|rWy6 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
xsa`R^5/c /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Z6I|Y5#H /// </summary>
2yA)SGri public class AppException:System.ApplicationException
?V6,>e_+ {
*OLqr/ yb public AppException()
ImN'o4vo {
B4.:
9Od3 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
XIwJhsYZ'9 }
oC5h-4~ h'*v$lt public AppException(string message)
s%:fZ7y {
6n]+(= LogEvent(message);
R U)(|; }
J?O0ixU f~VlCdf+ public AppException(string message,Exception innerException)
&M13F>! {
<r}wQ\F# LogEvent(message);
]oP1c-GEk if (innerException != null)
/l$enexSt {
J?o LogEvent(innerException.Message);
:a }](Wn }
6?a`'& }
`nF SJlr& R*r4)+gd //日志记录类
z:\9t[e4 using System;
Tz1^"tx9 using System.Configuration;
=UKxf using System.Diagnostics;
vhBW1/w&F using System.IO;
_,drOF|e using System.Text;
$cSUB using System.Threading;
I[?\Or Ll]5u~ namespace MyEventLog
s!IIvF {
R,3cJ
Y_% /// <summary>
_/1/{ /// 事件日志记录类,提供事件日志记录支持
Fx^wV^q3 /// <remarks>
Rzd`MIHDp /// 定义了4个日志记录方法 (error, warning, info, trace)
)Q1>j 2& /// </remarks>
i(.e=
/// </summary>
Uj5-x%~ public class ApplicationLog
sa'1hX^@ {
t'eaR- /// <summary>
xSudDhRP /// 将错误信息记录到Win2000/NT事件日志中
70qEqNoC /// <param name="message">需要记录的文本信息</param>
c!\Gj| /// </summary>
j!4{+&Laq public static void WriteError(String message)
lsax.uG5x {
M+%Xq0`T WriteLog(TraceLevel.Error, message);
}PI:O%N; }
&qbEF3p^@ z"4 q%DC /// <summary>
|u>V>
PN /// 将警告信息记录到Win2000/NT事件日志中
}2]|*?1, /// <param name="message">需要记录的文本信息</param>
;13lu1 /// </summary>
[_-CO}> public static void WriteWarning(String message)
(M.Sl {
<T WriteLog(TraceLevel.Warning, message);
wGnjuIR }
HewVwD<C SAThY$)6 /// <summary>
I9SO}a2p /// 将提示信息记录到Win2000/NT事件日志中
ZwO&G\A^ /// <param name="message">需要记录的文本信息</param>
*1; <xeVD /// </summary>
^x4,}'( public static void WriteInfo(String message)
j]Rl1~+M {
'cH),~ z WriteLog(TraceLevel.Info, message);
6sQ"go$} }
JO+ hD4L /// <summary>
fB /// 将跟踪信息记录到Win2000/NT事件日志中
NYR^y\u /// <param name="message">需要记录的文本信息</param>
Ms^Y:,;Hi /// </summary>
YfxZ< public static void WriteTrace(String message)
Q9%N>h9 {
m]7yc>uDy WriteLog(TraceLevel.Verbose, message);
xOTm-Cm9L }
mqq~&nI u@|GQXC /// <summary>
bG.aV#$FIg /// 格式化记录到事件日志的文本信息格式
C@]Z&H; /// <param name="ex">需要格式化的异常对象</param>
VCbnS191* /// <param name="catchInfo">异常信息标题字符串.</param>
gyI5;il~ /// <retvalue>
apGf@b /// <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-^Z7^o-bX /// </retvalue>
G_42ckLq /// </summary>
O$$s]R6 public static String FormatException(Exception ex, String catchInfo)
>-y'N.l^ {
]lZ!en StringBuilder strBuilder = new StringBuilder();
!8l4Hc8 if (catchInfo != String.Empty)
ym(r;mj! {
U6.$F#n strBuilder.Append(catchInfo).Append("\r\n");
*<Qn)Az }
Fo;xA strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
g&BF#)7C return strBuilder.ToString();
RMLs(?e }
lQ!6n evimnV /// <summary>
Q4c>gds` /// 实际事件日志写入方法
n/^wzG /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
"V?U^L>SF /// <param name="messageText">要记录的文本.</param>
~Qzm!Po, /// </summary>
tgg*6lc private static void WriteLog(TraceLevel level, String messageText)
[[[p@d/Y {
HlI*an try
s)ZL`S?</ {
9O@eJ$ EventLogEntryType LogEntryType;
0%'&s)# switch (level)
7z F29gC {
Zf?>:P case TraceLevel.Error:
&:'Uh
W-t LogEntryType = EventLogEntryType.Error;
E >SnH
break;
sbkWJy case TraceLevel.Warning:
~poy`h' LogEntryType = EventLogEntryType.Warning;
#p=/P{* break;
M@s2T|bQw case TraceLevel.Info:
@uT\.W:Q2 LogEntryType = EventLogEntryType.Information;
_E&*JX break;
w(.k6:e case TraceLevel.Verbose:
}v@w(*)h: LogEntryType = EventLogEntryType.SuccessAudit;
;t"#7\ break;
=3/||b4c default:
%4+r& LogEntryType = EventLogEntryType.SuccessAudit;
P) GBuW break;
_j<46^ }
t[iE > >,32~C EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
"{L%5:H@ //写入事件日志
m:Z=: -x eventLog.WriteEntry(messageText, LogEntryType);
oDM}h
+ XP6R$0yN }
$S=lm { catch {} //忽略任何异常
]#R;%L }
[^~Fu9+" } //class ApplicationLog
<E$5LP;: }
#N@sJyIN EiIbp4*e 12.Panel 横向滚动,纵向自动扩展
(ioi !p <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
;se-IDN @ZD1HA,h" 13.回车转换成Tab
8cR4@Hqx <script language="javascript" for="document" event="onkeydown">
ykX}T6T if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
p4HX83y{ event.keyCode=9;
LnrR#fF]Z </script>
Z"% = +anNpy onkeydown="if(event.keyCode==13) event.keyCode=9"
}c%QF jyLpe2 S 14.DataGrid超级连接列
\W}?4kz DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Fgt/A#`fz <iJ->$ 15.DataGrid行随鼠标变色
b\dBt#mB! private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Fu{[5uv {
URX>(Y}g9^ if (e.Item.ItemType!=ListItemType.Header)
)bw^!w) {
w*$nG$ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
VU}UK$JN e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
h^?[:XBeav }
tlI3jrgw }
`!>zYcmT B5zu?AG 16.模板列
/|`;|0/2 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
WLv( K_3Y <ITEMTEMPLATE>
u+z$+[lm!G <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
tjuW+5O </ITEMTEMPLATE>
:}o0Eb </ASP:TEMPLATECOLUMN>
{cq; SH [[oX$0Fp\! <ASP:TEMPLATECOLUMN headertext="选中">
j?[fpN$ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
VG q' <ITEMTEMPLATE>
kO~xE-(= <ASP:CHECKBOX id="chkExport" runat="server" />
j}#48{ </ITEMTEMPLATE>
<