1. 打开新的窗口并传送参数:
M89-*1 %KJhtd"q 传送参数:
w*6!?=jP response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
,p*ntj{ 59Tg"3xB< 接收参数:
*3F /Ft5 string a = Request.QueryString("id");
C:s^s string b = Request.QueryString("id1");
`hK>bHj &w;^m/zP3 2.为按钮添加对话框
>G4HZE Button1.Attributes.Add("onclick","return confirm(’确认?’)");
9&XV}I,~?| button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
h$aew63 K.V!@bPlw9 3.删除表格选定记录
VeD+U~ d int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
@wEKCn|}o string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
_
r^90 +YQ~t,/ 4.删除表格记录警告
FU]8.)`G private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
3lLW'g&= {
XUQW;H switch(e.Item.ItemType)
y?Hj%, {
w8ZHk?: case ListItemType.Item :
Y>78h2AU case ListItemType.AlternatingItem :
wcdW72 case ListItemType.EditItem:
KB%j! ? TableCell myTableCell;
yd0=h7s myTableCell = e.Item.Cells[14];
>ggk>s| LinkButton myDeleteButton ;
a9?
v\hG myDeleteButton = (LinkButton)myTableCell.Controls[0];
=q"w2b& myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
[$1: &!(! break;
U!a!|s> default:
[U%ym{be^ break;
Yhc6P%{Z^ }
M!&_qj&N, Z0()pT }
;"d ,~nLn `Ct'/h{
5.点击表格行链接另一页
%?]{U($? private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"o^bN 9= {
&AQg'| //点击表格打开
C;d|\[7Z if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
/`4v"f0V e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
r&%gjqt }
BGlGpl Vp(D|}P 双击表格连接到另一页
8m/FKO (r #RR:3ZPZC 在itemDataBind事件中
HsjELbH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
e?^\r)1
{
3r~>~ueZ string OrderItemID =e.item.cells[1].Text;
ueWR/ ...
iioct_7,g< e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
*2 qh3 }
_S9rF-9G] 629~Uc6] 双击表格打开新一页
9atjK4+o if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Z;j/K {
jy\W_CT string OrderItemID =e.item.cells[1].Text;
p|FlWR'mA ...
mHK@(D7X e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
#/n|@z' }
AkYupP2]v G8^0^@o ★特别注意:【?id=】 处不能为 【?id =】
ot|N;=ZKo 6.表格超连接列传递参数
MO));M) <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Lf,CxZL5 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
0%;N9\ Cbgj@4H 7.表格点击改变颜色
a'
IX yj if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
71k!k&Im {
KXoL,)Hl e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
b lRY7 this.style.color=’buttontext’;this.style.cursor=’default’;");
ULp)T`P }
9]]!8_0=r 7af?E)}v 写在DataGrid的_ItemDataBound里
V]l&{hl, if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
t7jh?] {
]k[Q]:q e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
8BYIxHHz this.style.color=’buttontext’;this.style.cursor=’default’;");
,~?A,9?%: e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
J-t=1 }
eVqM=%Q JDC=J(B ]^iFqQe 8.关于日期格式
0OleO9Ua B,~f " 日期格式设定
jGO9n DataFormatString="{0:yyyy-MM-dd}"
P1(8U% VqcBwJ!?p 我觉得应该在itembound事件中
:[y]p7;{f e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Nj0-`j0E 52>[d3I3 9.获取错误信息并到指定页面
4mEzcwo' 8q_1(& O 不要使用Response.Redirect,而应该使用Server.Transfer
r5f^WZ$- +IwdMJ8&8 e.g
qg^(w fI // in global.asax
@rPI$ia1~ protected void Application_Error(Object sender, EventArgs e) {
[MV`pF)x if (Server.GetLastError() is HttpUnhandledException)
ry$tK"v/ Server.Transfer("MyErrorPage.aspx");
ggerh# 7[ZkM+z! //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Jn@Z8%B@Z }
.yZK.[x4 Y*5Z)h
1 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
7ZS>1 UJ7'JBT=k 10.清空Cookie
NY4!TOp Cookie.Expires=[DateTime];
j`>?"1e@x Response.Cookies("UserName").Expires = 0
lr9=OlH ?wGiog<Q{ 11.自定义异常处理
JaH*
rDs- //自定义异常处理类
?"()>PJx using System;
oUl=l}qnD using System.Diagnostics;
X}3P1.n: ]WTf< W< namespace MyAppException
\BN|?r$a {
^H'hD /// <summary>
M%7`8KQ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
@''&nRC1 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
9uuta4&uI /// </summary>
i?ZA x4D public class AppException:System.ApplicationException
%l Q[dXp {
J$1j-\KS public AppException()
CkRyzF {
[?;`x&y~y if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
gsnP!2cR }
*6NO-T; - A;odVaH7 public AppException(string message)
u8|@|t {
C>AcK#-x,{ LogEvent(message);
5iP8D<;o5 }
bBA$}bv )J;ny!^2 public AppException(string message,Exception innerException)
6a7vlo {
+c-6#7hh LogEvent(message);
uZ@-e|qto if (innerException != null)
pNP_f:A| {
{d| |q<.- LogEvent(innerException.Message);
%,33gZzf }
E|Q{]&$;Z" }
||R0U@F, /rqqC(1 //日志记录类
3 t/ R 2M using System;
xC<R:"Mn using System.Configuration;
|a%B|CX using System.Diagnostics;
wHA/b.jH using System.IO;
<#zwKTmK1 using System.Text;
XFtOmY using System.Threading;
zT$0xj8 _~juv& namespace MyEventLog
NPS.6qY {
yb69Q#V2 /// <summary>
_B}9f /// 事件日志记录类,提供事件日志记录支持
:qBGe1Sv( /// <remarks>
xM%
pvx.'L /// 定义了4个日志记录方法 (error, warning, info, trace)
pfR"s:# /// </remarks>
+e U`H[iu /// </summary>
5f8"j$Az public class ApplicationLog
+Dd"41 {
xtOx|FkYcl /// <summary>
n;%y /// 将错误信息记录到Win2000/NT事件日志中
l(gJLjTH% /// <param name="message">需要记录的文本信息</param>
3QIdN /// </summary>
l`DtiJ?$$0 public static void WriteError(String message)
Y=9qJ`q {
]Qd{ '}+ WriteLog(TraceLevel.Error, message);
IeZ&7u }
UIQQ\,3 vuXS/ d /// <summary>
C9o$9 l+B /// 将警告信息记录到Win2000/NT事件日志中
j]>=1Rd0b( /// <param name="message">需要记录的文本信息</param>
;8BA~,4l /// </summary>
2@sr:,\1 public static void WriteWarning(String message)
9WOu8Ia {
d`85P+Qen| WriteLog(TraceLevel.Warning, message);
D@#0 dDT }
XjxPIdX_H #$FY+` /// <summary>
n"iNKR>nW /// 将提示信息记录到Win2000/NT事件日志中
"@4ghot t /// <param name="message">需要记录的文本信息</param>
:VJV 5f{ /// </summary>
b"Zq0M0l public static void WriteInfo(String message)
s_xV-C#q@ {
#Gd7M3 WriteLog(TraceLevel.Info, message);
!I~C0u }
n3'dLJH| /// <summary>
Ey'J]KVW /// 将跟踪信息记录到Win2000/NT事件日志中
s1{[{L3 /// <param name="message">需要记录的文本信息</param>
un6cD$cHr /// </summary>
MO-!TZ+6 public static void WriteTrace(String message)
_AprkI_ {
kymn)Ea WriteLog(TraceLevel.Verbose, message);
aV<^IxE; }
xHHV=M2l(s V`[P4k+b /// <summary>
|gW
/// 格式化记录到事件日志的文本信息格式
(|dPeix| /// <param name="ex">需要格式化的异常对象</param>
Qo.Uqz.C /// <param name="catchInfo">异常信息标题字符串.</param>
vGMJ ^q /// <retvalue>
DKTD Z* /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
%MbyKz:X /// </retvalue>
t-!m
vx9Z /// </summary>
{M[~E|@D public static String FormatException(Exception ex, String catchInfo)
^Z#@3= {
, |l@j% StringBuilder strBuilder = new StringBuilder();
wYjQV?, if (catchInfo != String.Empty)
#sZIDn J# {
1+a@k strBuilder.Append(catchInfo).Append("\r\n");
.1LPlZ }
7-X/>v strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
{\EOo-&A return strBuilder.ToString();
Ssf+b!e] }
MQJ%He" nS.2C>A /// <summary>
9KyZEH;pY /// 实际事件日志写入方法
Ib6(Bp9.L /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
d/]|657u /// <param name="messageText">要记录的文本.</param>
N 'i,> /// </summary>
-6`;},Yr private static void WriteLog(TraceLevel level, String messageText)
mB`D}g$ {
)&,K94
try
};r|}v !~_ {
1A^1@^{m' EventLogEntryType LogEntryType;
(N0sE"_~I5 switch (level)
O:e#!C8^ {
@o&Ytd;i case TraceLevel.Error:
?Wa<AFXQ LogEntryType = EventLogEntryType.Error;
LWD#a~ break;
nv)))I\ case TraceLevel.Warning:
6{.J:S9n
LogEntryType = EventLogEntryType.Warning;
!R6ApB4ZI break;
(ii(yz| case TraceLevel.Info:
,#d[ad< LogEntryType = EventLogEntryType.Information;
`eC+% O break;
;Xu22fKh case TraceLevel.Verbose:
?}8IQxU LogEntryType = EventLogEntryType.SuccessAudit;
B?3juyB`-- break;
hVM2/j default:
Xu#:Fe}: LogEntryType = EventLogEntryType.SuccessAudit;
Xpl?g=B&u break;
88 l,&2q }
0%
+' 8_a3'o%5 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
!y. $J< //写入事件日志
\I:.<2i eventLog.WriteEntry(messageText, LogEntryType);
aMJ;bQD
{cR=N~_EO }
Rh<N);Sl7 catch {} //忽略任何异常
DsGI/c }
%i"}x/CD[ } //class ApplicationLog
5un^yRMB- }
@5E,:)T*wR ^N- 'xy 12.Panel 横向滚动,纵向自动扩展
j5^-.sEEw <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
b#a@rh :Q7mV%% 13.回车转换成Tab
X;VQEDMPU <script language="javascript" for="document" event="onkeydown">
="'- & if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
DP*@dFU" event.keyCode=9;
O%g\B8; </script>
!Lkm? (_ 8+&JQ"UaB onkeydown="if(event.keyCode==13) event.keyCode=9"
>DP:GcTG >1ZJ{se 14.DataGrid超级连接列
($>XIb9f DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
[s}/nu~U 8r^ ~0nm 15.DataGrid行随鼠标变色
e_rzA private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
S4bBafj[I {
%4,?kh``D if (e.Item.ItemType!=ListItemType.Header)
Qn|+eLY {
Js{=i>D e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
HnU Et/ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
6(KmA-!b(O }
URw5U1 }
K9|7dvzC: !h: Q 16.模板列
cp%ii' <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
;GOz>pg <ITEMTEMPLATE>
NY!jwb@% <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
fu]N""~ </ITEMTEMPLATE>
ipjkZG@ </ASP:TEMPLATECOLUMN>
3Aj*\e0t o`6|ba <ASP:TEMPLATECOLUMN headertext="选中">
.'d2J> ~N <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
3n48 %5 <ITEMTEMPLATE>
}ZzLs/v%X <ASP:CHECKBOX id="chkExport" runat="server" />
u|fXP)>. </ITEMTEMPLATE>
u
#~;&D*q <EDITITEMTEMPLATE>
5<+KR.W <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
K5k?H </EDITITEMTEMPLATE>
h{_*oBa </ASP:TEMPLATECOLUMN>
0m)&YFZ[( Qf@iU%G 后台代码
f$F*3 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
'Cc(3 {
d8OL!Rk //改变列的选定,实现全选或全不选。
LM"y\q ] CheckBox chkExport ;
_^\$"nw if( CheckAll.Checked)
][7p+IsB {
F]_cbM{8/ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
a$JLc a {
\ZH&LPAY chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
XsL#;a C chkExport.Checked = true;
xs!p| }
JhX=l-? }
yI)~]K
r else
6rX_-Mm6w {
s>%Pd7: foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
T):SGW {
1RqgMMJL chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
,t,wy37*D chkExport.Checked = false;
\40YGFO }
&.N$ }
r;m`9,RW }
)/|6'L-2 shgAhx 17.数字格式化
`xz&Scil \x+3f 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
tju|UhP3 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
mT.e>/pa + WDq=S int i=123456;
[j9E pi( string s=i.ToString("###,###.00");
0KvVw rWJ ,1UZv>}S 18.日期格式化
#T3h}= 11UB4CA 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
tIuoD+AW nII^mg~ 显示为: 2004-8-11 19:44:28
%y<]Yzv. jirbUl 我只想要:2004-8-11 】
glUo7^ay7 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
nH[+n `{o f3tv3>p 应该如何改?
*fc-gAj c&'JmKV>& 【格式化日期】
kB
P*K )S@jDaU<