1. 打开新的窗口并传送参数:
Tqt-zX|> 8ymdg\I+L 传送参数:
BJjic% V response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
t7f(%/] H0 > Vm}u`x 接收参数:
S%iK); string a = Request.QueryString("id");
`?z('FV string b = Request.QueryString("id1");
N3%#JdzZ$ B!wN%>U 2.为按钮添加对话框
8,U~ p<Gz Button1.Attributes.Add("onclick","return confirm(’确认?’)");
!D=! button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
8 0tA5AP 2FMmANH0ev 3.删除表格选定记录
riIubX# int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
GW AT0 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Ui'v'
$ 2Re8rcQQU 4.删除表格记录警告
#Zdh<. private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
4fi4F1 f {
mkSu
$c switch(e.Item.ItemType)
A(2 0+ {
90vWqL! case ListItemType.Item :
ZFtx&vrP case ListItemType.AlternatingItem :
4|?(LHBD) case ListItemType.EditItem:
1aAOT6h TableCell myTableCell;
~O}r<PQ myTableCell = e.Item.Cells[14];
[+\He/M6 LinkButton myDeleteButton ;
2j-l<!s myDeleteButton = (LinkButton)myTableCell.Controls[0];
A%^?z. myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Wd'}YbC break;
vFUp$[ default:
k-~}KlP break;
p/{%%30ke }
In?rQiD9 Qw0k-t0=4 }
Cff6EE *y4DK6OFe 5.点击表格行链接另一页
xm{?h,U, private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
P.Ntjz/B {
9K$
x2U //点击表格打开
z qA>eDx if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sl$6Zv-l%0 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
^(q .f=I!a }
QD-\'Bp/X mnA_$W3~I 双击表格连接到另一页
S)EF&S(TC uuM1_nD[ 在itemDataBind事件中
sVh)Ofn if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
OLx;j+p
{
}ILBX4c string OrderItemID =e.item.cells[1].Text;
2hHRitt36 ...
WOO3z5 La e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
L(3&,!@ }
"]eB2k_> )<QX2~m< 双击表格打开新一页
~>@~U] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ew\:&"@2]w {
&b (* string OrderItemID =e.item.cells[1].Text;
/`M# ...
v~OMm\ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
;r@=[h
}
7&id(&y/ vv)q&,<c ★特别注意:【?id=】 处不能为 【?id =】
;pm/nu 6.表格超连接列传递参数
;MQl.?vj <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
N:B<5l ' <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
t^&hG7L_m, l;q]z 7.表格点击改变颜色
ndFVP;q if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
"M:ui0YP {
1tY+0R e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
6$OmOCA% this.style.color=’buttontext’;this.style.cursor=’default’;");
./I? |ih }
u0W6u} 4; eBa#Z1Z 写在DataGrid的_ItemDataBound里
)xVf3l
pQ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
lW"0fZ_x'E {
,=e.QAF!" e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
{`):X _$T this.style.color=’buttontext’;this.style.cursor=’default’;");
@G;9eh0$ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
jTS8
qu }
k;cIEEdZD |dxWO k9eyl) 8.关于日期格式
#e.x]v: 4Q!%16
P 日期格式设定
3^P;mQ$p1 DataFormatString="{0:yyyy-MM-dd}"
s/ABT.ZO 8Y-*rpLy 我觉得应该在itembound事件中
o_}?aI~H e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
6D]fDeH\ 4M%|N 9.获取错误信息并到指定页面
/,SVG1 t;+b*S6D 不要使用Response.Redirect,而应该使用Server.Transfer
j3&q?1 -~c-mt e.g
Q&0`(okb // in global.asax
F=Xb_Gd` protected void Application_Error(Object sender, EventArgs e) {
</kuJh\ if (Server.GetLastError() is HttpUnhandledException)
*ELU">!}G Server.Transfer("MyErrorPage.aspx");
j=pg5T K Zg NL| //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
O)W+rmToI }
t<dFH}U`w Jt}`oFQ5l Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
:2KPvp7? i+(>w'=m 10.清空Cookie
1BmKwux: Cookie.Expires=[DateTime];
f:46.)Wj< Response.Cookies("UserName").Expires = 0
[4xZy5V (Q*x"G#4> 11.自定义异常处理
V0D&bN* //自定义异常处理类
gaC4u,Zb using System;
R1SFMI
using System.Diagnostics;
dG+$!*6Z E!ZLVR.K namespace MyAppException
X>
98` {
?Sh"%x /// <summary>
A3.I|/ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
8N)Lck2PR /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Cgln@Rz /// </summary>
K. B\F)K public class AppException:System.ApplicationException
dfAw\7v/ {
l1kHFeq public AppException()
db_Qt' > {
}Tk:?U{ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
W;8A{3q%N0 }
eaO'|@;{~ iOfO+3'Z_U public AppException(string message)
1?w=v|b:P) {
!4<D^eh LogEvent(message);
i`52tH y_ }
ie[X7$@ dLGHbeZ[( public AppException(string message,Exception innerException)
=^p}JhQ {
9BP'[SM%), LogEvent(message);
3~R,)fO; if (innerException != null)
3{.]! {
:' 5J[]J LogEvent(innerException.Message);
y=pW+$k }
P(yLRc }
Wgs6}1bg :LB*l5\ //日志记录类
~)#E?:h5 using System;
LK4NNZf7 using System.Configuration;
&u^]YE{ using System.Diagnostics;
x~uDCbL using System.IO;
0'f\>4B using System.Text;
OmkJP using System.Threading;
+5I5 > dVhIbG namespace MyEventLog
~-NSIV:f {
#/Ob_~-?j /// <summary>
=\u,4 /// 事件日志记录类,提供事件日志记录支持
|Isn<|_ /// <remarks>
>`3F`@1L0 /// 定义了4个日志记录方法 (error, warning, info, trace)
!YpH\wUyvP /// </remarks>
8&HBR # /// </summary>
uX!6:v] public class ApplicationLog
iVnMn1h {
*jQ$\|Y /// <summary>
vN
v'%;L /// 将错误信息记录到Win2000/NT事件日志中
H!0m8LCnb /// <param name="message">需要记录的文本信息</param>
Z&?4<-@6\p /// </summary>
]%-U~avph public static void WriteError(String message)
4Th?q{X {
pRh9+1EM; WriteLog(TraceLevel.Error, message);
[;aM8N
}
i`f!) 1 G6{'|CV /// <summary>
wQhu U /// 将警告信息记录到Win2000/NT事件日志中
HCrQ+r{g /// <param name="message">需要记录的文本信息</param>
'\d
ldg#P /// </summary>
&b^_~hB:q public static void WriteWarning(String message)
.7
)oWd! {
JFc,f WriteLog(TraceLevel.Warning, message);
A@_>9; }
jmgkY)rb R z
&P1C,n) /// <summary>
%^E7Iqc /// 将提示信息记录到Win2000/NT事件日志中
\"RCJadK /// <param name="message">需要记录的文本信息</param>
eD(5+bm
/// </summary>
<z%**gP~G public static void WriteInfo(String message)
&-o5lrq {
raOuD3 WriteLog(TraceLevel.Info, message);
|*w)]2Bl }
rZ+4kf6S /// <summary>
e(0cz6 /// 将跟踪信息记录到Win2000/NT事件日志中
$Bncdf /// <param name="message">需要记录的文本信息</param>
z.SKawm6T /// </summary>
*-fd$l. public static void WriteTrace(String message)
i"n_oO {
0+1!-Wo WriteLog(TraceLevel.Verbose, message);
+1yi{!j1 }
L ?;UcCB ,<K+.7,)E /// <summary>
ZY7-. /// 格式化记录到事件日志的文本信息格式
S'$m3,l(k /// <param name="ex">需要格式化的异常对象</param>
*7Y#G8 s /// <param name="catchInfo">异常信息标题字符串.</param>
"8uNa /// <retvalue>
@i(9k /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
451.VI}MR /// </retvalue>
68bvbig /// </summary>
ny+r>>3Td public static String FormatException(Exception ex, String catchInfo)
mzM95yQ^Z {
<]%6x[ StringBuilder strBuilder = new StringBuilder();
%U}6(~
if (catchInfo != String.Empty)
h#}w18l {
x
~)~v?>T strBuilder.Append(catchInfo).Append("\r\n");
stfniV }
V&ETt.91Ft strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
u"oO._a(
return strBuilder.ToString();
3B%7SX }
o~y{9Q W;R6+@I[ /// <summary>
XNx$^I= /// 实际事件日志写入方法
WvF{`N /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Q\IViM /// <param name="messageText">要记录的文本.</param>
;*zLf 9i /// </summary>
Hc<@T_h+2 private static void WriteLog(TraceLevel level, String messageText)
Q3=5q w^ {
y2?9pVLa\y try
PHT<]:"`< {
'l!\2Wv2 EventLogEntryType LogEntryType;
l,Y5VGiH# switch (level)
Oprfp^L {
*szs"mQ/ case TraceLevel.Error:
I:oEt LogEntryType = EventLogEntryType.Error;
Ebj0 {ZL break;
1 Vc_jYO@ case TraceLevel.Warning:
rxMo7px@}I LogEntryType = EventLogEntryType.Warning;
=$bF[3D break;
NTZ3Np` case TraceLevel.Info:
kq(><T LogEntryType = EventLogEntryType.Information;
F~E)w5?\O break;
<G<5)$
S case TraceLevel.Verbose:
u SI@Cjp LogEntryType = EventLogEntryType.SuccessAudit;
bcT_YFLQ break;
YWd2bRb default:
`)]W~ LogEntryType = EventLogEntryType.SuccessAudit;
D9P,[:" break;
:,v(lq }
v,Z]Vqk 0e#PN@ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
/@
g 8MUq7 //写入事件日志
eJ<P eventLog.WriteEntry(messageText, LogEntryType);
6rmx{Bt z<!A;.iD }
r6Vw!^]8u8 catch {} //忽略任何异常
;aD~1;q }
\VIY[6sn\M } //class ApplicationLog
>{~xO 6H }
wTR?8$ I*o6Bn
|D 12.Panel 横向滚动,纵向自动扩展
H'k~; <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Jpp-3i.F# '>1M~B 13.回车转换成Tab
Z)~?foe' <script language="javascript" for="document" event="onkeydown">
,Js_d if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
!F~1+V>zP event.keyCode=9;
bxxLAWQ( </script>
Hr}"g@ < WhH60/` onkeydown="if(event.keyCode==13) event.keyCode=9"
p(I^Y{sGI Glw|*{$ 14.DataGrid超级连接列
MW+DqT.h DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
BHgs, N#-.[9! 15.DataGrid行随鼠标变色
=bJ$>Djp private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@,Dnl v|? {
v+sF0
j\P if (e.Item.ItemType!=ListItemType.Header)
n{<@-6 {
nIB eZof e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
qA!4\v={ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
{df;R|8l }
E>*b,^J7g }
n2AoEbd KgD$P(J:[ 16.模板列
af6<w.i <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
CiHx.5TiC <ITEMTEMPLATE>
S3U]AH)C <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
-b+)Dp~$p </ITEMTEMPLATE>
D1>*ml </ASP:TEMPLATECOLUMN>
yRyRH%p) 7u^wO< <ASP:TEMPLATECOLUMN headertext="选中">
AriV4 + <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Citumc)E <ITEMTEMPLATE>
$X.F=Kv <ASP:CHECKBOX id="chkExport" runat="server" />
#2Q%sE? </ITEMTEMPLATE>
%j1 7QD8 <EDITITEMTEMPLATE>
g]44|9x(W <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
!U(S?:hvW </EDITITEMTEMPLATE>
h V`?,
~K </ASP:TEMPLATECOLUMN>
r/NaoIrJV *1b0IQ$g 后台代码
O3slYd&V protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
hr'?#K {
!}U3{L- //改变列的选定,实现全选或全不选。
x7l}u`N4 CheckBox chkExport ;
75R4[C6T if( CheckAll.Checked)
og+Vrd {
.*YOyK3H foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
h \`( {
O\yYCi( chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
6z~ [Ay chkExport.Checked = true;
MMaS }
Ux"
^3D }
CP"5E?dcK else
GpXf).a@ {
r?0w5I foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
dE[X6$H[ {
&l{ctP%q chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
leizjL\P chkExport.Checked = false;
y<`:I|y }
^"/TWl>jB }
5gx;Bp^_ }
*) \y52z O7Jp; 17.数字格式化
=r`E%P: Eqny'44 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
%(?;` <%#Container.DataItem("price","{0:¥#,##0.00}")%>
?_S); {ByKTx& int i=123456;
#|:q"l9 string s=i.ToString("###,###.00");
#X!seQ7a *}(B"FSO 18.日期格式化
r_']; 1T~`$zS7 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
d*([!!i Td^62D; 显示为: 2004-8-11 19:44:28
1,Pg^Xu "Gqas bX 我只想要:2004-8-11 】
*E|3Vy{4 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
l!j=em@ 7X$pgNRx/a 应该如何改?
DBvozTsF~ ep48 r> 【格式化日期】
|z}VP-L
8rU| Oh 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
2Z^p) vPy."/[u 【日期的验证表达式】
ky]L`w ]wbV1Y" A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
3<a|_(K ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
VeFfkg4 %3HF_DNOY= B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
$Zrc-tkV ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
YO@~y*, K"Irg. 【大小写转换】
G-o6~"J\ HttpUtility.HtmlEncode(string);
G [yI[7=d HttpUtility.HtmlDecode(string)
kOel
!A YB{'L +Wbw 19.如何设定全局变量
\Q?#^<