1. 打开新的窗口并传送参数:
heou\;GI" mI,lW|/l, 传送参数:
#J&3Zds response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
hZ*vk d;Y Kw1 接收参数:
:G@z?ZJ[ string a = Request.QueryString("id");
8Lx/ZGy string b = Request.QueryString("id1");
2A~o)7JaZ D1Zy Js# 2.为按钮添加对话框
~k"b"+2 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
1m"WrTen button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
7:?\1a ?SFQx\/ 3.删除表格选定记录
A/I\MN| int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
er7(Wph string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
"[?DS }6-olVg 4.删除表格记录警告
L5I!YP#v private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
;K\2/"$QD {
ao9#E"BfM switch(e.Item.ItemType)
U~?VN!<x[ {
ljZRz$y case ListItemType.Item :
lb'tVO case ListItemType.AlternatingItem :
C_Q3^mLx case ListItemType.EditItem:
A_S7z*T TableCell myTableCell;
gjG SI'M0B myTableCell = e.Item.Cells[14];
$3 -QM LinkButton myDeleteButton ;
~M^[ myDeleteButton = (LinkButton)myTableCell.Controls[0];
r_$*euh@ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
@,.D]43 break;
_J6
Xq\ default:
kh.P)h'9 break;
v(yJGEf0 }
q`r| DcN~ <`pNdy4 }
G3^<l0?S
%p 5.点击表格行链接另一页
K:'^f? P private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
a`xAk^w+ {
?ld&}|W~ //点击表格打开
bVU4H$k if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
W/BPf{U e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
&j1-Ouy }
Pp!4Ak4TT9 tlp,HxlP 双击表格连接到另一页
37kFbR@x i \NV<I
在itemDataBind事件中
o+=wQ$"tP if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3A`]Rk
{
wl]3g string OrderItemID =e.item.cells[1].Text;
m_0y ]RfG ...
nQOdM#dP e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
\:{K",2 }
8Y`g$2SZ^8 [5L?#Y 双击表格打开新一页
~)_Nh if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-}UY2) {
oB5\^V$ string OrderItemID =e.item.cells[1].Text;
n?cC]k;P~ ...
4@fv%LOQo e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
sPZwA0% }
v}u]tl$, =QVkY7 ★特别注意:【?id=】 处不能为 【?id =】
kE<CuO 6.表格超连接列传递参数
/5Qh*.(S <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
KX9IC5pR <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
\;N+PE RD[P|4eY 7.表格点击改变颜色
xk~gGT& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^OQP;5 #K {
`.pEI q^ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
&zy%_U2% this.style.color=’buttontext’;this.style.cursor=’default’;");
Q/?`); }
xP'0a (n7xYGfYS 写在DataGrid的_ItemDataBound里
:5/Ue,~ag if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
btEyvqs~X {
?[ )}N
_o# e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
C8|Ls(4Ck this.style.color=’buttontext’;this.style.cursor=’default’;");
36OQHv;& e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
id9QfJ9t }
V WZpEi 0>CG2 SRn .q
MxShUU 8.关于日期格式
>xo<i8<Miv N}U+K 日期格式设定
L @T/4e./ DataFormatString="{0:yyyy-MM-dd}"
5r
4~vK wicsf<] 我觉得应该在itembound事件中
wnd
#J ` e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
3_
J'+ Hb*Z_s 9.获取错误信息并到指定页面
j}.gK6Yq* agwbjkU/ 不要使用Response.Redirect,而应该使用Server.Transfer
j;}-x1R
:MF`q.:X e.g
Vn5%%?]J // in global.asax
kIS )*_ protected void Application_Error(Object sender, EventArgs e) {
=I'iD0eR if (Server.GetLastError() is HttpUnhandledException)
S>x@9$( ym Server.Transfer("MyErrorPage.aspx");
BEb?jRMjLg 'L O3[G{ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
i695P}J2 }
Fu{VO~w
=:g\I6'a 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
Ld_u Me?Z >(H:eRKq 10.清空Cookie
'Y2$9qy-L Cookie.Expires=[DateTime];
^jL)<y4` Response.Cookies("UserName").Expires = 0
e}2?)B`[ 0);5cbV7i 11.自定义异常处理
[F*yh9%\ //自定义异常处理类
PtuRXx using System;
am/}V%^ using System.Diagnostics;
aoW2 c1`?Z Hz,Gn9:p namespace MyAppException
R-pON4D"* {
`/m]K~~ /// <summary>
zZ-/S~l /// 从系统异常类ApplicationException继承的应用程序异常处理类。
FYik}wH] /// 自动将异常内容记录到Windows NT/2000的应用程序日志
qdk!.A{ /// </summary>
}!fIY7gv public class AppException:System.ApplicationException
:1f,%Z$,q {
5w>TCx public AppException()
5KB Z-, {
Iw[zN[oz if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
JQ}4{k }
_gK}Gi?| k2->Z);X public AppException(string message)
!Usmm8!K {
5);"()g32 LogEvent(message);
bh8GP]*E| }
+ rB3\R"d ;/Y#ph[ public AppException(string message,Exception innerException)
S`[(y?OF? {
]+pE1-p\ LogEvent(message);
j#c@dze if (innerException != null)
`@\FpV[|P {
cyd_xB5K LogEvent(innerException.Message);
=1>G*
, }
arKf9`9 }
|;V-;e* ok ,O/|E}? //日志记录类
]Y?ZUSCJ using System;
5R.jhYAj using System.Configuration;
3k6Dbz using System.Diagnostics;
2 PPb using System.IO;
!2B~.!& using System.Text;
cc=_KYZ1k using System.Threading;
3k_\xQ @CR<&^s5V namespace MyEventLog
b't6ekkN {
xZq, kP^ /// <summary>
XH0Vs.w /// 事件日志记录类,提供事件日志记录支持
Xq"9TYf$ /// <remarks>
XOS^&; /// 定义了4个日志记录方法 (error, warning, info, trace)
n~>b}DY /// </remarks>
k<fR)o /// </summary>
_^eA1}3 public class ApplicationLog
kSge4?& {
'Q7t5v@FF /// <summary>
*
kL>9 /// 将错误信息记录到Win2000/NT事件日志中
CucW84H`J /// <param name="message">需要记录的文本信息</param>
[D?xd/G /// </summary>
8j]QnH0& public static void WriteError(String message)
ga1b%5]v. {
D@{m WriteLog(TraceLevel.Error, message);
TgRG6?#^l }
\ X6y".|- TFbF^Kd#:d /// <summary>
5M8
/// 将警告信息记录到Win2000/NT事件日志中
7 oYD;li$k /// <param name="message">需要记录的文本信息</param>
JqN$B\J, /// </summary>
sSiZG public static void WriteWarning(String message)
2gvS`+<TP {
z&qOu8Jh WriteLog(TraceLevel.Warning, message);
YSZ[~?+ }
Xn!=/<TIVz >Zf*u;/dW$ /// <summary>
3WfZ zb+ /// 将提示信息记录到Win2000/NT事件日志中
)B@&q.2B= /// <param name="message">需要记录的文本信息</param>
bx" .<q ( /// </summary>
eEmLl(Lb public static void WriteInfo(String message)
"VsS-b^ P {
7` XECIh WriteLog(TraceLevel.Info, message);
<(qdxdUp }
,=%c
e /// <summary>
ws]d,] /// 将跟踪信息记录到Win2000/NT事件日志中
6|Rj
YX /// <param name="message">需要记录的文本信息</param>
wz:w6q /// </summary>
lnxA/[`a public static void WriteTrace(String message)
,.gI'YPQC {
2[Qzx%Vp WriteLog(TraceLevel.Verbose, message);
$- Z/UHT }
P_@ty~u 0wETv /// <summary>
B7'2@+( /// 格式化记录到事件日志的文本信息格式
P6tJo{l8w /// <param name="ex">需要格式化的异常对象</param>
LGCeYXic /// <param name="catchInfo">异常信息标题字符串.</param>
twTRw:.!f /// <retvalue>
ht5:kt`F /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
y+VRD /// </retvalue>
-1!s8G /// </summary>
9+>%U~U< public static String FormatException(Exception ex, String catchInfo)
<DdzDbgax {
495(V(+5 StringBuilder strBuilder = new StringBuilder();
yD ur9Qd6 if (catchInfo != String.Empty)
0I.! {
|VoYFoiQ strBuilder.Append(catchInfo).Append("\r\n");
&-Z#+>=H( }
;77q~_g$ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
`VOLw*Ci return strBuilder.ToString();
bNz2Uo!0K }
xm<sH!,j z;i4F.p /// <summary>
"}UYsXg /// 实际事件日志写入方法
`JG7Pl/ih /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
:&D$Q
4 /// <param name="messageText">要记录的文本.</param>
$Jj0%?; /// </summary>
>5]w\^QN9_ private static void WriteLog(TraceLevel level, String messageText)
E{|n\| {
>qIZ try
A}n5dg0u {
l'Z `%}R EventLogEntryType LogEntryType;
+&TcTu#.` switch (level)
: ]JsUb{YK {
v&ZI<Xt+ case TraceLevel.Error:
12%4>2}~> LogEntryType = EventLogEntryType.Error;
evGUSol?:n break;
Fqp~1>wi case TraceLevel.Warning:
15~+Ga4 LogEntryType = EventLogEntryType.Warning;
]z / break;
;]h:63S case TraceLevel.Info:
zn{[]J LogEntryType = EventLogEntryType.Information;
QJ-?67_i break;
ma4r/8Q case TraceLevel.Verbose:
4&LoE~ LogEntryType = EventLogEntryType.SuccessAudit;
6P I-"He break;
> 'KQL?!F default:
1&}^{ Ys LogEntryType = EventLogEntryType.SuccessAudit;
#3u471bp break;
0=J69Yd }
0CO6-&F9n 0H{0aQQ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
4)nQBFX //写入事件日志
zuZlP eventLog.WriteEntry(messageText, LogEntryType);
DV~1gr,\ gBG.3\[ }
Q,`Y catch {} //忽略任何异常
0Z{(,GU }
QcQ|,lA.HI } //class ApplicationLog
@V-CG! }
MXhRnVz"W y0'" 12.Panel 横向滚动,纵向自动扩展
*ha9Vq@X <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
1P\_3.V{ W}1h~rNy 13.回车转换成Tab
/_554q <script language="javascript" for="document" event="onkeydown">
.tb~f@xL if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
5+O#5"v_ event.keyCode=9;
*H
RxC </script>
J=U7m@))Y# c$'UfW onkeydown="if(event.keyCode==13) event.keyCode=9"
;"nEEe]? JhDjY8?86 14.DataGrid超级连接列
Ja#idF[V DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
zj;y`ENj y6?Q5x9M 15.DataGrid行随鼠标变色
t>v']a +k private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3-8Vw$u {
E|Grk if (e.Item.ItemType!=ListItemType.Header)
8`qw1dF {
ZdHWSfO)O e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
WiviH#hF e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
+o/;bm*U<K }
q#Qr@Jf }
[*>@hx pp[? k}@ 16.模板列
X>|.BvY| <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Qg
_?..% <ITEMTEMPLATE>
D_9/|:N: <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
C>;yW7*g" </ITEMTEMPLATE>
=8dCk\/ </ASP:TEMPLATECOLUMN>
j4}aK2[< dYV)lMJ* <ASP:TEMPLATECOLUMN headertext="选中">
e:V,>RbC0s <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
m9xu$z|e <ITEMTEMPLATE>
a3lo;Cfp <ASP:CHECKBOX id="chkExport" runat="server" />
"ej>1{3Y:= </ITEMTEMPLATE>
~0 FqY&4 <EDITITEMTEMPLATE>
9Jk(ID'c <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
[bT@Y:X@` </EDITITEMTEMPLATE>
ohM'Fx"q </ASP:TEMPLATECOLUMN>
sfrh+o57 U.6hLFcE 后台代码
JrL/LGY protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
a*IJ)'S {
PUYo >eB)0 //改变列的选定,实现全选或全不选。
7\/O"Ot CheckBox chkExport ;
"
^eq5?L if( CheckAll.Checked)
zPkg3H {
8w*fg6,= foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
t583Q/1@ {
\AK|~:\] chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$0W0+A$ chkExport.Checked = true;
Ixec]UOS }
CWN=6(y }
z!L0j+ else
<WbD4Q<3? {
+NXj/ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
2.lnT{ {
462ae`
6l chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
2\5@_U^)h chkExport.Checked = false;
ckP3[@Su { }
9H)uTyuNi }
Dps{[3Y+ }
``E;!r="v ^LcI6h
17.数字格式化
2E1TJ.[BS a"1$z`ln 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
q-3KF <%#Container.DataItem("price","{0:¥#,##0.00}")%>
mX1oRhf BxT~1SBFq int i=123456;
CM#EA"9 string s=i.ToString("###,###.00");
&4%J35~ q7PRJX 18.日期格式化
aw4+1.xy P3
Evv]sB@ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
D8 #q.OR] {pg@JA 显示为: 2004-8-11 19:44:28
m{5$4v,[ AP7W)S 我只想要:2004-8-11 】
E0hp%: <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
W|Tew-H{h_ Ju[`Qw`I 应该如何改?
oMe]dK T6r~OV5 【格式化日期】
D5b_m|7% p4EItRZS 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Lp WEu^j "6.p=te 【日期的验证表达式】
=k7\g / P0(~~z&%[ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
kAliCD) ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
P$ef,ZW" q$rA-`jw B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
\>`$x: ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
aF"Z!HD P/9J!.Cm 【大小写转换】
TkoXzG8yE< HttpUtility.HtmlEncode(string);
wT=hO+ HttpUtility.HtmlDecode(string)
$)]FCuv Ur(o&, 19.如何设定全局变量
mRY6[*u R<-C>D Global.asax中
7NC8<