1. 打开新的窗口并传送参数:
$~9U-B\ U O[p 传送参数:
1-JWqV(#? response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
}Rf }
iG '7=*n_l 接收参数:
RhDa`kV%t string a = Request.QueryString("id");
(8>k_ string b = Request.QueryString("id1");
^\wosB3E eM~i (]PY 2.为按钮添加对话框
UcK!v*3E Button1.Attributes.Add("onclick","return confirm(’确认?’)");
^^ ?ECnpcU button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
979L] H# e%f8|3<6 3.删除表格选定记录
dkVVvK int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
}- +;{u string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
VSSiuo'5w ;j52a8uE'} 4.删除表格记录警告
=|G PSRQ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
5N[Y2 {
M.l;!U!} switch(e.Item.ItemType)
*'`-plS7 {
3Yr case ListItemType.Item :
e~}+.B0 case ListItemType.AlternatingItem :
\(A>~D8Fo case ListItemType.EditItem:
'i@Y #F%D TableCell myTableCell;
Fm2t:,= myTableCell = e.Item.Cells[14];
f.8L<<5 c LinkButton myDeleteButton ;
@r
.K>+1 myDeleteButton = (LinkButton)myTableCell.Controls[0];
ZERd#7@m+ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
m\k$L7O break;
E*'O)) default:
p~e6ah?1 break;
ksK
lw_%o }
-'I)2/%g ,Wdyg8&. }
?}Mv5SO '~a!~F~> 5.点击表格行链接另一页
nGuF,0j private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
r<0.!j%c {
UkGUxQ,GU //点击表格打开
>uUbWKn3 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>o[T#U e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
f^]2qoN }
bGSgph _x>u"w 双击表格连接到另一页
ciXAyT cG HAU8H'h 在itemDataBind事件中
9:esj{X if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4e5Ka{# < {
)@sz\yI%U string OrderItemID =e.item.cells[1].Text;
+V0uHpm ...
fa!iQfr e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
gmM79^CEF }
+XIN-8 !G 8SEWP 双击表格打开新一页
0_j! t if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
`9F'mT#o/ {
K1 $Z=]a+ string OrderItemID =e.item.cells[1].Text;
\"uR&D ...
T0Gu(c`1d e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
*=ALns?y }
j0OxR.S {X<tUco ★特别注意:【?id=】 处不能为 【?id =】
Karyipn} 6.表格超连接列传递参数
.+8w\>w6g <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
E.BMm/WH <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
3)`}#` T %RJW@~! 7.表格点击改变颜色
~+|p.(I if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
b _6j77 {
+tO V+6Uz e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
|m?0h.O, this.style.color=’buttontext’;this.style.cursor=’default’;");
AMkjoy3+] }
@F=4B0= \K>6-0r| 写在DataGrid的_ItemDataBound里
}$OQw'L[ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_@HMk"A {
_E?(cWC e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
"V^(i%E; this.style.color=’buttontext’;this.style.cursor=’default’;");
'g$|:bw/ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
V862(y }
_El=M0 4w\')@`[jk $A ( #^& 8.关于日期格式
.lj\H z43 H] 日期格式设定
UZXnABg,J DataFormatString="{0:yyyy-MM-dd}"
{o;J'yjre1 |KkVt]ZQe9 我觉得应该在itembound事件中
oS]XE!^M e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
\=nY&Ml ]xFd_OHdb 9.获取错误信息并到指定页面
@(ev``L5g l3.HL> o 不要使用Response.Redirect,而应该使用Server.Transfer
2"2b\b}my =>ignoeI e.g
NBLOcRSh // in global.asax
j]kx~ protected void Application_Error(Object sender, EventArgs e) {
2vK{Yw if (Server.GetLastError() is HttpUnhandledException)
i)eub`uMy Server.Transfer("MyErrorPage.aspx");
}7UE "y62Wo6m) //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
SB]|y-su }
0;]tC\D1 eH75:` 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
VFRUiz/C !K3
#4 10.清空Cookie
sg2T)^*V Cookie.Expires=[DateTime];
( vgoG5 Response.Cookies("UserName").Expires = 0
BE:GB?XBH O.!|;)HQ 11.自定义异常处理
2#p6.4h= //自定义异常处理类
rq+E"Uj? using System;
RW%e% using System.Diagnostics;
tEZ@v(D A5/Q:8b namespace MyAppException
$+
lc;N {
5a_1x|Fhi /// <summary>
Dy5'm? /// 从系统异常类ApplicationException继承的应用程序异常处理类。
++5SofG@ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
poQY X5 /// </summary>
@VVBl I public class AppException:System.ApplicationException
X 5pp8~ {
Z^s&] public AppException()
mpN|U(n {
;CFI*Wfp if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
>P/.X^G0 }
IhY[c/|i LzP+l>m public AppException(string message)
P>Pw;[b>O {
^!?W!k!:V LogEvent(message);
F"~uu9u }
? !cUAa>iH f)/Yru. ; public AppException(string message,Exception innerException)
j<e`8ex? {
T =_Hd LogEvent(message);
yB,$4:C if (innerException != null)
4E<iIA\x {
[gx6e 44 LogEvent(innerException.Message);
wxN'Lv=R }
t4~Bn<= }
P^T]U bv" -n+=[M //日志记录类
eG =Hyc using System;
ms`R^6Ra using System.Configuration;
YyjnyG using System.Diagnostics;
sO,,i]a0 using System.IO;
&O7]e3Ej using System.Text;
p^<*v8,~7 using System.Threading;
2E;UHR =c[9:&5Q namespace MyEventLog
Gdb6 U{ {
7CWz)LT /// <summary>
T}M!A| /// 事件日志记录类,提供事件日志记录支持
=0
mf /// <remarks>
Am{Vtl)i /// 定义了4个日志记录方法 (error, warning, info, trace)
nj]l'~Y0 /// </remarks>
|W:xbtPNy /// </summary>
JPRo<jt= public class ApplicationLog
ZvM~]8m {
MV'q_{J /// <summary>
h3[^uYe /// 将错误信息记录到Win2000/NT事件日志中
f#FAi3 /// <param name="message">需要记录的文本信息</param>
n&y'Mb
PB /// </summary>
>kU$bh.( public static void WriteError(String message)
$oDc {
?:H4Xd7 WriteLog(TraceLevel.Error, message);
e5W 8YNA }
W+k SL{0 #R-l2OO^] /// <summary>
A]c'`Nf /// 将警告信息记录到Win2000/NT事件日志中
@FO=0_;y /// <param name="message">需要记录的文本信息</param>
)O;6S$z9Y /// </summary>
vtk0 j public static void WriteWarning(String message)
/m"O.17N {
`bY>f_5+ WriteLog(TraceLevel.Warning, message);
Utd`T+AF* }
r01Z
0> !Z]#1"A8 /// <summary>
lkl+o&D9 /// 将提示信息记录到Win2000/NT事件日志中
td@I ;d2 /// <param name="message">需要记录的文本信息</param>
3k3-Ts /// </summary>
/Ps/m! public static void WriteInfo(String message)
8A'oK8Q {
QMwrt WriteLog(TraceLevel.Info, message);
3)cH\gsg9 }
AAuH}W>n /// <summary>
0 w Q'~8 /// 将跟踪信息记录到Win2000/NT事件日志中
X\sO eb:] /// <param name="message">需要记录的文本信息</param>
YS],o'T /// </summary>
"Te[R%aP public static void WriteTrace(String message)
8~*
|muN.e {
[
*P~\' U WriteLog(TraceLevel.Verbose, message);
S8>1l?UH }
>h)D~U(H &|MdBJ /// <summary>
qca,a3k /// 格式化记录到事件日志的文本信息格式
B6UTooj /// <param name="ex">需要格式化的异常对象</param>
`X)y5*##wq /// <param name="catchInfo">异常信息标题字符串.</param>
Lp31Y .4 /// <retvalue>
)seeBm-` /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Wz{,N07Q#{ /// </retvalue>
^1`Mz< /// </summary>
{+Zj}3o public static String FormatException(Exception ex, String catchInfo)
^`iqa-1 {
^jhc(ZW" StringBuilder strBuilder = new StringBuilder();
i=3~ h Zl if (catchInfo != String.Empty)
g&&- {
`O,^oD4 strBuilder.Append(catchInfo).Append("\r\n");
f(S9>c2 }
AdU0 sZ+&c strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
_"l2UDx return strBuilder.ToString();
T&'p5h=l }
FT8<a }o OKi}aQ2R* /// <summary>
'Hf+Y/` /// 实际事件日志写入方法
<DR$WsDG /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
12]rfd /// <param name="messageText">要记录的文本.</param>
]Xm+-{5?!R /// </summary>
ExKyjWAJ private static void WriteLog(TraceLevel level, String messageText)
u0;k_6N {
Nhf@Y}Cu try
e92,@ {
NdxPC~Z+ EventLogEntryType LogEntryType;
6K7DZ96L switch (level)
K]SsEsd {
OV2/? case TraceLevel.Error:
+,xluwv$ 9 LogEntryType = EventLogEntryType.Error;
I_k/lwBD break;
dp}s]`x+ case TraceLevel.Warning:
zQ~N(Jj?h LogEntryType = EventLogEntryType.Warning;
~~r7TPq break;
p!/!ZIo case TraceLevel.Info:
L$t.$[~L LogEntryType = EventLogEntryType.Information;
/Z|K9a break;
u(W>HVEG case TraceLevel.Verbose:
vC^Ul LogEntryType = EventLogEntryType.SuccessAudit;
QtHK`f>4#n break;
[zJ|61^ default:
tqD=)0Uzs LogEntryType = EventLogEntryType.SuccessAudit;
ls({{34NF break;
slnvrel }
(&i
c3/- ]WYddiF EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
vJj}$AlI //写入事件日志
Yr)<1.K4,M eventLog.WriteEntry(messageText, LogEntryType);
<sTY<i VR 7TtDI=f }
B4/\=MXb catch {} //忽略任何异常
()^tw5e'^ }
+aQM %~ } //class ApplicationLog
~F"w }
kD46Le++B 719lfI&s 12.Panel 横向滚动,纵向自动扩展
Ua.%?V <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Vd;NT$S$ Z'~/=a)7 13.回车转换成Tab
V}h
<,E9 <script language="javascript" for="document" event="onkeydown">
5fq4[a if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Hkrh d event.keyCode=9;
XUVBD;"f! </script>
v%muno, .4J7 ^l onkeydown="if(event.keyCode==13) event.keyCode=9"
9fy[%M 7Y.mp9, 14.DataGrid超级连接列
C1==a FD DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Q_6v3no1 BU<Qp$& 15.DataGrid行随鼠标变色
$9@3dM*E?Z private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
PDpuHHB {
GY rUB59 if (e.Item.ItemType!=ListItemType.Header)
ly`\TnC {
R$x(3eyx e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
(c
S'Nm5 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
B{K_?ae! }
g;~$xXn }
.U#oN_D P>EG;u@. 16.模板列
cwE?+vB <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
[(; .D <ITEMTEMPLATE>
]E|E4K6g <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
q*!Vyk </ITEMTEMPLATE>
I6i qC"BK </ASP:TEMPLATECOLUMN>
jZk dTiI !{F\\D/ <ASP:TEMPLATECOLUMN headertext="选中">
W'PW;., <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
=j%ORD[ <ITEMTEMPLATE>
O[8wF86R <ASP:CHECKBOX id="chkExport" runat="server" />
FI @kE19 </ITEMTEMPLATE>
-I:L6ft8 <EDITITEMTEMPLATE>
6?';ip <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
8&:dzS </EDITITEMTEMPLATE>
V#+M lN </ASP:TEMPLATECOLUMN>
ZEB,Q~ &8dj*!4H 后台代码
62o nMY protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
h
^Wm03w {
:j[= //改变列的选定,实现全选或全不选。
f3*SIKi CheckBox chkExport ;
]u\-_PP if( CheckAll.Checked)
B$G9#G6pZ {
7yal T. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
m0*_ {
Z*Fn2I4 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
C;YtMY: chkExport.Checked = true;
+.a->SZ5" }
b2^O$l }
c3)6{ else
}-@h H( {
n{!=gR.v. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
{
3Qlx/6< {
(Bss%\ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
qhmA)AWG> chkExport.Checked = false;
\98|.EG }
;It1i`!R }
Nkx W*w%}l }
KkSv23In -yMD9b 17.数字格式化
A/OGF> *X2dS
{ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
.G>6_n3 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
8Ib5 : n\D int i=123456;
RCMO?CBe string s=i.ToString("###,###.00");
V7?Pv
Q H,)2Ou-Wn 18.日期格式化
~Dj_N$_+9 4Z/]7Ie 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
|Gt]V`4 30QQnMH3 显示为: 2004-8-11 19:44:28
9 j1
tcT 6~Y`<#X5J 我只想要:2004-8-11 】
AE4>pzBe <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Y~
Nt9L @|}=W Q 应该如何改?
`7_s@4: `%.x0~ih 【格式化日期】
~GjM:* B0!W=T\ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
G:;(, FD^s5>"Y+ 【日期的验证表达式】
mg
*kB:p A
w)P%r A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
"0 {t~?ol ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
T0BM:ofx G=>LW1E| B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
h|.*V$3 ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
=mh)b]].4\ 6}q# c 【大小写转换】
$1myf Z HttpUtility.HtmlEncode(string);
^qPS&G HttpUtility.HtmlDecode(string)
D?P1\<A~ )%9P ;/ 19.如何设定全局变量
$c24l J#/ ;%Zn)etu Global.asax中
"3VMjF\ 1{bsh?zd Application_Start()事件中
lHSuT2)x; fg8U*7 添加Application[属性名] = xxx;
pAdSOR2 3o^oq 就是你的全局变量
+7bV A@OSh6/{h 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
M-NY&