1. 打开新的窗口并传送参数:
x:b0G V;mKJ.d${ 传送参数:
;({&C34a response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
HT)b3Ws~M8 ]Gm,sp.x 接收参数:
}"wWSPD string a = Request.QueryString("id");
B5*{85p(u string b = Request.QueryString("id1");
+u'
?VBv [tym~ZZ]_m 2.为按钮添加对话框
OJ\IdUZ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
rcMVYSj0 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
1i4KZ"A5+ Y>geP+ - 3.删除表格选定记录
% @3AA< int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
>w+WG0Z
K string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
]S<eO6z wQWokpP;T7 4.删除表格记录警告
4_3Jpz* private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
v>YdPQky {
{\jh?P| switch(e.Item.ItemType)
-q|K\>tgU {
Fx2
KRxk case ListItemType.Item :
CdlE"Ye case ListItemType.AlternatingItem :
"{105&c\ case ListItemType.EditItem:
~Tq
`c TableCell myTableCell;
87c7p=/0` myTableCell = e.Item.Cells[14];
]WR+>)ERb LinkButton myDeleteButton ;
/1ooOq] myDeleteButton = (LinkButton)myTableCell.Controls[0];
>'wl)j$ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
eWS[|'dl break;
KhAj`vOzK default:
J?Brnf. break;
/c'3I
}
wO&`3Q3~$ ^_#0\f }
\k / N/&; 7SLJLn3d 5.点击表格行链接另一页
=($RT private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@'j=oTT {
``j..v, //点击表格打开
D% }?l if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
s$css{(ek e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
,@jRe&6 }
KlGPuGL j9u/R01d 双击表格连接到另一页
rlk0t159 n o`c[XY 在itemDataBind事件中
ty[bIaQi if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?r0#{x~ {
-;&aU;k string OrderItemID =e.item.cells[1].Text;
$D
+6=m[ ...
34k<7X`I e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
8M*[RlUJB }
]+;1) 0ohpJh61Q 双击表格打开新一页
)$Xd#bzD| if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
A9\m.3jo {
Y,?s-AB string OrderItemID =e.item.cells[1].Text;
Ks.m5R ...
u"XqWLTV e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
xr+K:
bw }
|E-/b6G Vd~{SS2> ★特别注意:【?id=】 处不能为 【?id =】
Hq[d!qc 6.表格超连接列传递参数
)kR~|Yn<- <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
/KjRB_5~q} <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
)QEvV:\ h
92\1, 7.表格点击改变颜色
eBX#^ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(iM"ug2 {
g^@Kx5O\ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Nl3x
BM% this.style.color=’buttontext’;this.style.cursor=’default’;");
j9Ptd$Uj }
,L%\{bp5 ,0%P3 写在DataGrid的_ItemDataBound里
&M(=#pq9 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
l:mC'aR {
PhW<)B] e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
3IQ)%EN this.style.color=’buttontext’;this.style.cursor=’default’;");
<-62m8N| e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
&S}%)g%Iv9 }
n0g,r/ H_KE^1 R}njFQvS) 8.关于日期格式
QLrFAV Wc [@, 日期格式设定
4of3#M DataFormatString="{0:yyyy-MM-dd}"
Ac;rMwXk# qOYCQ 我觉得应该在itembound事件中
rStfluPL e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
l[lUmE yPrp:%PS 9.获取错误信息并到指定页面
UOHU1.3$T rU<NHFGj4 不要使用Response.Redirect,而应该使用Server.Transfer
s''?:
+ h1@|UxaE# e.g
}[XzM/t // in global.asax
k<RJSK8 protected void Application_Error(Object sender, EventArgs e) {
.WM 0x{t/ if (Server.GetLastError() is HttpUnhandledException)
l0AgW_T Server.Transfer("MyErrorPage.aspx");
Ry>c]\a] @r4ZN6Wn //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
z2Sp }
d!kiWmw, 6,
\i0y5n 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
JR{3n* <Z5ak4P 10.清空Cookie
KD?~ hpg Cookie.Expires=[DateTime];
`l,=iy$ Response.Cookies("UserName").Expires = 0
6}^0/76^, d2lOx|jt 11.自定义异常处理
4<._)_m //自定义异常处理类
oR (hL4Dc using System;
RaT(^b( using System.Diagnostics;
n B4)% Y,EReamp namespace MyAppException
dd1m~Gm {
W$LaXytmak /// <summary>
U;Z6o1G /// 从系统异常类ApplicationException继承的应用程序异常处理类。
f"t\-ux.b /// 自动将异常内容记录到Windows NT/2000的应用程序日志
{o"X8 /// </summary>
IPmSkK public class AppException:System.ApplicationException
C{>@b:]p {
It'hmwu# public AppException()
#~?Q?" {
g+Vfd(e if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
su.hmc }
~01
o <"w;:Zs public AppException(string message)
wuE] ju< {
fy04/_,q LogEvent(message);
,ButNBv }
`$oGgz6ZT l'=H,8LfA public AppException(string message,Exception innerException)
, f9V`Pz) {
wy6> ^_z LogEvent(message);
9,|{N(N<! if (innerException != null)
?95^&4Oh0 {
kG_ K &,;@ LogEvent(innerException.Message);
gX<"-,5jc }
N:'v^0 }
?8[,0l:| +7n;Bsk
_ //日志记录类
`<&RZB2 using System;
cPA-EH using System.Configuration;
Pk/{~!+
$ using System.Diagnostics;
NIufL
}6\ using System.IO;
cF!ygz// using System.Text;
=ic"K6mhq using System.Threading;
KrE:ilm#^Y K +n namespace MyEventLog
4cJ7W_ >i6 {
Cj31>k1 /// <summary>
?B
;+, /// 事件日志记录类,提供事件日志记录支持
G)5w_^&% /// <remarks>
ZN>oz@jY /// 定义了4个日志记录方法 (error, warning, info, trace)
GJz d4kj /// </remarks>
Z$!>hiz2 /// </summary>
5W"&$6vj public class ApplicationLog
BwtjTwd {
ucP}( $ /// <summary>
&LM@_P"T /// 将错误信息记录到Win2000/NT事件日志中
r&sm&4)p-5 /// <param name="message">需要记录的文本信息</param>
WLGk /// </summary>
rX*4$d0 public static void WriteError(String message)
g a|RW0 {
3YT>3f!\
WriteLog(TraceLevel.Error, message);
'o=`1I }
;u`zZb=,[ S^nshQI /// <summary>
8CKN^8E /// 将警告信息记录到Win2000/NT事件日志中
,grdl|Dg /// <param name="message">需要记录的文本信息</param>
`^HAWo;J /// </summary>
55xaZ#| public static void WriteWarning(String message)
4i0~t~vDpr {
,'[L6=# WriteLog(TraceLevel.Warning, message);
|uo<<-\jTO }
)]x/MC:9r y ,][ /// <summary>
sYnf
# ' /// 将提示信息记录到Win2000/NT事件日志中
XnC`JO+7M /// <param name="message">需要记录的文本信息</param>
2eErvfC[ /// </summary>
YEfa8'7R public static void WriteInfo(String message)
w@&g9e6E {
ph\KTLU WriteLog(TraceLevel.Info, message);
0>hV?A }
F
FHk0!3 /// <summary>
P,5gaT) /// 将跟踪信息记录到Win2000/NT事件日志中
h+EG)
< /// <param name="message">需要记录的文本信息</param>
dqwCyYC
/// </summary>
ZL[~[ public static void WriteTrace(String message)
} LuPYCzpu {
<=WSX{_D WriteLog(TraceLevel.Verbose, message);
1F?`.~q }
L=Cm0q 3v A0{ !m /// <summary>
Cv7FVl-I /// 格式化记录到事件日志的文本信息格式
3LXS}~& /// <param name="ex">需要格式化的异常对象</param>
*s4h tt /// <param name="catchInfo">异常信息标题字符串.</param>
57r?`'#* /// <retvalue>
bxX[$q /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
&w\E*$ /// </retvalue>
I2G4j/c=z /// </summary>
^8dd public static String FormatException(Exception ex, String catchInfo)
!Ld0c4 {
JU^{!u StringBuilder strBuilder = new StringBuilder();
Vk%[N> if (catchInfo != String.Empty)
I|jGu9G {
g+>$_s strBuilder.Append(catchInfo).Append("\r\n");
b0W~*s [4 }
)Los\6PRn strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
r|!w,>. return strBuilder.ToString();
9MfBsp}c }
E?%SOU< .xJW=G{/ /// <summary>
951"0S`Lo /// 实际事件日志写入方法
cRYnQ{$' /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
CBaU$`5 /// <param name="messageText">要记录的文本.</param>
J9s4lsea /// </summary>
>y&Db private static void WriteLog(TraceLevel level, String messageText)
f-6hcd@Ca {
E`vCYhf{ try
nNuv 0 {
A y ?;0w0 EventLogEntryType LogEntryType;
T}DP35dBzE switch (level)
r9!jIkILz {
E"LSM]^^<f case TraceLevel.Error:
3Z?"M LogEntryType = EventLogEntryType.Error;
&)F8i#M break;
OcR6\t' case TraceLevel.Warning:
r!Ujy .R LogEntryType = EventLogEntryType.Warning;
{2u#Q7]| break;
aLr\Uq,83 case TraceLevel.Info:
m1,?rqeb LogEntryType = EventLogEntryType.Information;
1J$sIY,Ou break;
yEYlQ= [# case TraceLevel.Verbose:
OVr,
{[r LogEntryType = EventLogEntryType.SuccessAudit;
s^5KFK1 break;
r\6 "mU default:
IIC1T{D}v LogEntryType = EventLogEntryType.SuccessAudit;
lwS6"2q break;
J:s^F
n }
4 3cdWd% cYBv}ylw}R EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
SQ*dC //写入事件日志
AhjK*nJF eventLog.WriteEntry(messageText, LogEntryType);
7.hgne'< /?<tjK' "H }
*#ccz catch {} //忽略任何异常
=HJ)!( }
tqI]S
X } //class ApplicationLog
V&7jd7
2{ }
5AmYrXZ tI651Wm9 12.Panel 横向滚动,纵向自动扩展
5sbMp;ZM <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
V6)e Jy bWc3a 13.回车转换成Tab
pqaQ% |< <script language="javascript" for="document" event="onkeydown">
63hOK if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
5nq0#0Oc event.keyCode=9;
AvW2)+6G </script>
G2#={g{ /_Z--s>j onkeydown="if(event.keyCode==13) event.keyCode=9"
HsA4NRF'7 u\~dsD2)q 14.DataGrid超级连接列
r;3{%S._ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
@^g/`{j>J Jw%0t'0Zi 15.DataGrid行随鼠标变色
#BA=?7 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
bMT1(edm {
INca if (e.Item.ItemType!=ListItemType.Header)
#=)(t${7' {
h.\V;6ly e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
G8}w|'0m e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
.
J"g.Q }
d*7nz=0&$ }
L<HJ! S\7-u\) 16.模板列
8KqrB! <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
@ 2r9JqR[= <ITEMTEMPLATE>
j$%KKl8j <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Cx>iSx </ITEMTEMPLATE>
:f^=~#! </ASP:TEMPLATECOLUMN>
9f
,$JjX[ 2=H3yEJq <ASP:TEMPLATECOLUMN headertext="选中">
H,r> @Y <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
w+ZeVZv!r <ITEMTEMPLATE>
CA2 , <ASP:CHECKBOX id="chkExport" runat="server" />
/P<K)a4GM </ITEMTEMPLATE>
Jb'l.xN <EDITITEMTEMPLATE>
ZA4NVt.yN <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
jq6BwUN </EDITITEMTEMPLATE>
Ap}^6_YXd </ASP:TEMPLATECOLUMN>
fbF *C V \A
gPkW 后台代码
R~40,$e{ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
O 0Fw!IQk {
W5a)`%H //改变列的选定,实现全选或全不选。
I[|5 DQ CheckBox chkExport ;
rCGyr}(NC if( CheckAll.Checked)
(_^pX {
YGy.39@31 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
v-`RX;8 {
@eQIwz chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
1+;Z0$edxz chkExport.Checked = true;
%T:~N<8) }
_c*0Rr }
/15e-(Zz/ else
o!TG8aeb {
mjdZ^ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
s&vREx( {
Zy0u@`` chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
r5ONAa3. chkExport.Checked = false;
WLr\ l29 }
5a
moK7 }
yp%7zrU }
lp`raNNo v=4,kG 17.数字格式化
iN\D`9e ?`PG`|2~ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
CBC0X}_` <%#Container.DataItem("price","{0:¥#,##0.00}")%>
r|rOIAo YXCfP~i int i=123456;
Y\!* c=@k string s=i.ToString("###,###.00");
=,B44:`r gC-3ghmgS 18.日期格式化
6onFf* m!x b/N+X}VMN 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
'F[m,[T%x %";bgU2Q 显示为: 2004-8-11 19:44:28
<d xc"A \$o5$/oU( 我只想要:2004-8-11 】
=5bef8 O <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
9Xw(|22 "F/% {0d 应该如何改?
7~@q#]U[ .
IBy' 【格式化日期】
Ii"h:GY;\ )l}Gwd]h 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
8^26g3 PPiN`GM 【日期的验证表达式】
>3R)&N , VT& A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
ml=tS, ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Ew>E]Ys HIUB: B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
4(5NHsvp ^\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]))$
W0GDn z:B4 【大小写转换】
VfS&V*un HttpUtility.HtmlEncode(string);
}E626d}uA HttpUtility.HtmlDecode(string)
_U%a`%tU. @1_M's; 19.如何设定全局变量
~Rx:X4|H 1-`Il]@?8 Global.asax中
pWY $aI 09jU 0x Application_Start()事件中
p8CDFLuV msKWb311u 添加Application[属性名] = xxx;
sem:" y; LL^:rq 就是你的全局变量
s+{)K sTx23RJ9 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
K&2{k+w 4\qnCf3 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
pSM\(kVKa XJ &