1. 打开新的窗口并传送参数:
|<5J jw6 ng>9 传送参数:
1&x0+~G response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
@b(gjOE '~!l(&X 接收参数:
q0xE&[C[M string a = Request.QueryString("id");
.x9nWa string b = Request.QueryString("id1");
NJz*N%VWD Y7IlqC`i 2.为按钮添加对话框
%.r5E2' Button1.Attributes.Add("onclick","return confirm(’确认?’)");
4pOc` button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Yru1@/; 34&$_0zn 3.删除表格选定记录
|cBF-KNZ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
RdpQJ)3F string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
( Nve5 MYW 4@# 4.删除表格记录警告
l.LFlwt private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
KfI$'F
#"/ {
5la]l switch(e.Item.ItemType)
aWi]t'_ {
yW7S
}I case ListItemType.Item :
5&7?0h+I case ListItemType.AlternatingItem :
\6PIw-) case ListItemType.EditItem:
M<me\s) TableCell myTableCell;
41_sSqq;^ myTableCell = e.Item.Cells[14];
K,T]Fuy LinkButton myDeleteButton ;
c^/?VmCQ} myDeleteButton = (LinkButton)myTableCell.Controls[0];
Ns] 9-D myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
B7^n30+L break;
jMN@x]6w default:
C{Xk/Er5< break;
\<+47+ }
Jd_1>p p[+me o }
}u$aPS<$! V$]a&wM<5 5.点击表格行链接另一页
s)ajy^6'M private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
/bj`%Q.n {
74N\G1 //点击表格打开
rsj}hS$ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
m&vYZ3vK[ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
D&lXi~Z%. }
#]hkQo SYhspB 双击表格连接到另一页
z Clm'X/ YuW\GSV00 在itemDataBind事件中
E
MbI\=>yS if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%LaC$w_X {
5m;wMW< string OrderItemID =e.item.cells[1].Text;
@ dU3d\!} ...
,#FH8%Yf e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
}U1{&4Ph }
!ef)Ra-W ]=$ay0HC
双击表格打开新一页
R$3+ 01j| if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
uy%PTi+A {
#j5^/*XW string OrderItemID =e.item.cells[1].Text;
9 W
r(w ...
<%5uzlp e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
B{u.Yc: }
aQuy*\$$ s8O+&^(U ★特别注意:【?id=】 处不能为 【?id =】
#FM 'S| 6.表格超连接列传递参数
, |B\[0p <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
t`D@bzLC% <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
]8z6gDp ,6)y4=8 L 7.表格点击改变颜色
U7'oI;C$e if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
)[Cm*Xxa$ {
a"N_zGf2$ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
OH~qJ< this.style.color=’buttontext’;this.style.cursor=’default’;");
bHG>SW\]`? }
D1/$pA+B cK/odOi 写在DataGrid的_ItemDataBound里
5qko`r@# if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
PUo&> {
6g&nnA e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
)&-+:u0 this.style.color=’buttontext’;this.style.cursor=’default’;");
{1ceF e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
hidweg*7 }
^ 9E(8DD 7 4UE-H) Kj5f:{Ur 8.关于日期格式
?Fw/c0 \rO>FE 日期格式设定
ddxv.kIj. DataFormatString="{0:yyyy-MM-dd}"
9|DC<Zn&B# V&85<Y%Nl| 我觉得应该在itembound事件中
6.=b^6MV e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
D.f=!rT7E7 e2F7G>q:5 9.获取错误信息并到指定页面
vZsVxx99 zvj\n9H 不要使用Response.Redirect,而应该使用Server.Transfer
#a:C=GV;4 WDR!e2G e.g
} U.B$4Q // in global.asax
GC2<K protected void Application_Error(Object sender, EventArgs e) {
+UtK2<^:o if (Server.GetLastError() is HttpUnhandledException)
=uTV\) Server.Transfer("MyErrorPage.aspx");
?i"FdpW &kBs'P8> //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
K<(RVh }
B*7o\~5 Yn/-m
Z 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
lNw?}H 0XNb@ogo 10.清空Cookie
w8Yff[o Cookie.Expires=[DateTime];
\;<Y/sg Response.Cookies("UserName").Expires = 0
P8f-&( mLO6`]p{H 11.自定义异常处理
TPuzL(ws //自定义异常处理类
!/SFEL@_B using System;
y-mmc}B>N using System.Diagnostics;
G 2##M8:U0 ewY X \ namespace MyAppException
Rx.0P6s {
YuZnuI@m9 /// <summary>
<Coh
&g_ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
_=b[b]Ec$s /// 自动将异常内容记录到Windows NT/2000的应用程序日志
3 0Z;}<)9 /// </summary>
4kiu*T public class AppException:System.ApplicationException
Z)<>d. {
d
{4br public AppException()
tP9}:gu {
.?qS8:yA if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
SL*(ZEn" }
bZ)Jgz s$;v )w$ public AppException(string message)
WW.=>]7; {
BshS@"8r LogEvent(message);
e=U7w7(s9 }
/dAIg1ra @4pN4v8U public AppException(string message,Exception innerException)
g?ft;kR6S {
>}iYZ[ V LogEvent(message);
<q|19fH-5 if (innerException != null)
t0Uax-E( {
BmZd,}{ LogEvent(innerException.Message);
ji "*=i }
/CP1mn6H }
kci H "-9YvB# //日志记录类
jm!G@k6TA using System;
F
1BPzRo` using System.Configuration;
6gv.n using System.Diagnostics;
|cH\w"DcXw using System.IO;
<B)lV'!Bd using System.Text;
Ky+TgR using System.Threading;
/2c?+04+ 'uh6?2)wG namespace MyEventLog
B=f{`rM)~W {
/<@oUv /// <summary>
#8'%CUF*<8 /// 事件日志记录类,提供事件日志记录支持
GYBM]mW^ W /// <remarks>
iS"rMgq /// 定义了4个日志记录方法 (error, warning, info, trace)
^'}Td~( /// </remarks>
)Aj~ xA /// </summary>
ZEB1()GB public class ApplicationLog
A&z {
Vry# /// <summary>
TOQvZ?_ /// 将错误信息记录到Win2000/NT事件日志中
r8mE /// <param name="message">需要记录的文本信息</param>
wJ{M&n1H /// </summary>
!=ZbBUJF public static void WriteError(String message)
SgJQH7N {
@521zi WriteLog(TraceLevel.Error, message);
2rA`y8g(L }
@+\OoOK<L k1X <jC]P /// <summary>
L./UgeZ /// 将警告信息记录到Win2000/NT事件日志中
|XeuqZa /// <param name="message">需要记录的文本信息</param>
vHWw*gg(/E /// </summary>
:z.<||T public static void WriteWarning(String message)
na <g
/& {
yHCBf)N7\ WriteLog(TraceLevel.Warning, message);
vQA: \! }
<jV_J+# REw!@Y." /// <summary>
qUCiB} /// 将提示信息记录到Win2000/NT事件日志中
Hq=RtW2 /// <param name="message">需要记录的文本信息</param>
m|'TPy /// </summary>
m@OgT<E]_ public static void WriteInfo(String message)
sURHj&:t| {
DI+kO(S WriteLog(TraceLevel.Info, message);
* ,,D%L }
HZR~r:_
i /// <summary>
e KET8v[ /// 将跟踪信息记录到Win2000/NT事件日志中
F`f#gpQ /// <param name="message">需要记录的文本信息</param>
O GSJR`yT /// </summary>
e%"L79Of6) public static void WriteTrace(String message)
X)`?P*[ {
%A?Ym33 WriteLog(TraceLevel.Verbose, message);
W*gu*H^s~ }
\3x,)~m Q9{% /// <summary>
aiea&aJ /// 格式化记录到事件日志的文本信息格式
}*;Hhbox /// <param name="ex">需要格式化的异常对象</param>
4u A;--j /// <param name="catchInfo">异常信息标题字符串.</param>
#AE'arT< /// <retvalue>
&`{%0r[UD# /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
.hnGHX /// </retvalue>
?:~ `? /// </summary>
BT>8 public static String FormatException(Exception ex, String catchInfo)
R:zjEhH) {
}wz )" StringBuilder strBuilder = new StringBuilder();
C^]bXIb if (catchInfo != String.Empty)
!1;DRF {
9_oIAn:< strBuilder.Append(catchInfo).Append("\r\n");
#NwlKZ- }
Ust>%~< strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Gb\}e}TB[ return strBuilder.ToString();
'3aDvV0 }
sLPFeibof5 gtJUQu p2 /// <summary>
Ggsfr;m\` /// 实际事件日志写入方法
>cQ*qXI0 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
=2#
C{u. /// <param name="messageText">要记录的文本.</param>
USfOc /// </summary>
Y<I/y private static void WriteLog(TraceLevel level, String messageText)
e=QnGT*b5 {
&K|<7Efx try
tNoo3& {
}r9f}yX9Q EventLogEntryType LogEntryType;
&CG3_s<2 switch (level)
iE0A-;:5 {
x/R|i%u-s case TraceLevel.Error:
A{Jv`K
LogEntryType = EventLogEntryType.Error;
>n{(2bcFs break;
;q59Cr 75 case TraceLevel.Warning:
Kw+?Lowp LogEntryType = EventLogEntryType.Warning;
JIQS'r break;
<$K%u? case TraceLevel.Info:
\M'b% LogEntryType = EventLogEntryType.Information;
H@.j@l break;
2(Vm0E case TraceLevel.Verbose:
Gmf.lHr$% LogEntryType = EventLogEntryType.SuccessAudit;
o'?Y0Wt break;
>x eKO2o default:
ZOi8)Y~ LogEntryType = EventLogEntryType.SuccessAudit;
#swzZyM$ break;
OXK?R\ E+ }
{;=I69X RgZBh04q EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
j_H{_Ug //写入事件日志
7AX<>^ eventLog.WriteEntry(messageText, LogEntryType);
=;9Wh!{ 50F6jj }
r=~yUT catch {} //忽略任何异常
|)B&-~a+p }
=hH>]$J[ } //class ApplicationLog
`_N8AA }
O$V
6QJ 7
g8SK 12.Panel 横向滚动,纵向自动扩展
-SGR) <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
) ^'Q@W . Zrt/; 13.回车转换成Tab
$pyM<:*L&< <script language="javascript" for="document" event="onkeydown">
NIY0f@1z- if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
5hUYxF20h8 event.keyCode=9;
h
\hQ </script>
hWfJh0I ),(ejRP'r onkeydown="if(event.keyCode==13) event.keyCode=9"
:z_D?UQ tx;MH5s/V 14.DataGrid超级连接列
$]<C C ` DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Oz#$x tO~DA>R 15.DataGrid行随鼠标变色
Ol`/r@s private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8 P.t {
bIu'^ if (e.Item.ItemType!=ListItemType.Header)
&^Zo}F2V {
QrDzfe[ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
F #Uxl%h e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
};o6|e:2E }
.]6_ }
S7N3L." P%z\^\p"5 16.模板列
8xJdK' <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
}L^Yoq] <ITEMTEMPLATE>
`re]Q0IO <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
+Pd&YfU9 </ITEMTEMPLATE>
p%EU,:I6 </ASP:TEMPLATECOLUMN>
eS8tsI 6Xb\a^q <ASP:TEMPLATECOLUMN headertext="选中">
=uQCm# <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
T8h.!Vef <ITEMTEMPLATE>
1_%jDMYH <ASP:CHECKBOX id="chkExport" runat="server" />
I&l 1b> </ITEMTEMPLATE>
L MC-1 <EDITITEMTEMPLATE>
VI,z7
\ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
LKieOgX </EDITITEMTEMPLATE>
m3C&QdjRp </ASP:TEMPLATECOLUMN>
JP)/
O! /6B!&b2f 后台代码
jhjGDF protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
SL" ;\[uI {
-%*>z'|{ //改变列的选定,实现全选或全不选。
izsAn"v
CheckBox chkExport ;
UeV2`zIg` if( CheckAll.Checked)
oe_l:Y% {
rVowHP foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*>ju1f {
rpu9 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
"5C)gxI^ chkExport.Checked = true;
d!7cIYVZ }
<&\HXAOd }
Zy,U'Dv else
Rcs7 'q5 {
uy)iB'st& foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
hAi50q;z {
(2(I|O# chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
\!j{&cJ chkExport.Checked = false;
]^$&Ejpe# }
wcUf?`21, }
I&Q.MItW }
jJdw\` &?YbAo_K 17.数字格式化
u:&gp ?&EPZq