1. 打开新的窗口并传送参数:
5vSJjhS vj#Y /B 传送参数:
@!np
0# response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
"j*{7FBqk .$~zxd#zo 接收参数:
jM07&o]D string a = Request.QueryString("id");
:=cZ,?PQp1 string b = Request.QueryString("id1");
c7~>uNgJ @w[2 BaDt 2.为按钮添加对话框
drkY~!a Button1.Attributes.Add("onclick","return confirm(’确认?’)");
bw[s<z|LKA button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
ZNN^ sgxD5xj}4 3.删除表格选定记录
zQ>|`0&8 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
r!C#PiT}I string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
hT
DFIYV Lbwc2Q,.- 4.删除表格记录警告
TDY2
M private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
H="E#AC%8/ {
*Y\C5L] switch(e.Item.ItemType)
93]67PL#+ {
]hHL[hoFC case ListItemType.Item :
9esMr0*= case ListItemType.AlternatingItem :
a?K 3/0G case ListItemType.EditItem:
ZOIx+%/Vd# TableCell myTableCell;
^V;h>X| myTableCell = e.Item.Cells[14];
WETnrA"N LinkButton myDeleteButton ;
%xuJQuCqf myDeleteButton = (LinkButton)myTableCell.Controls[0];
lHI;fR myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
'2=$pw break;
}Kt1mmo:` default:
f8JWg9m break;
Z!eW_""wp }
tQYkH$e`/{ a\]glw\; }
At$[&%} I|eYeJ3 5.点击表格行链接另一页
Mv%"aFC private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
E/5/5'gBJO {
zho$g9* //点击表格打开
,)beK*Iw if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8?z7!k] e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
J&w'0 }
1Vi3/JM@ #*|Gp_l+% 双击表格连接到另一页
/UP1*L 2}<_l 2 在itemDataBind事件中
QoBM2QYO if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!=SBeq {
*+rWn*L string OrderItemID =e.item.cells[1].Text;
E#A%aLp0E ...
D.:6X'hp e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
mYRsM s }
vDit&Lh{T 2^f6@;=M 双击表格打开新一页
-qNun3 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
M9ACaf@ {
%}/ |/= string OrderItemID =e.item.cells[1].Text;
tmVGJ+gz ...
v3I-i|L<) e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
zg+6<
.Sf }
Yk @/+PE 6t!PHA ★特别注意:【?id=】 处不能为 【?id =】
5'%nLW7;O 6.表格超连接列传递参数
4mM?RGWv <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
S:YQVj <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
dHO8 bYBH 40$- ]i 7.表格点击改变颜色
vp2s)W8W if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
~|kSQ7O^ {
gT0N\oU" e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
EZb_8<DH this.style.color=’buttontext’;this.style.cursor=’default’;");
*i,@d&J y] }
Wfp>BC \iQ{Q&JR: 写在DataGrid的_ItemDataBound里
hcX`X2^ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
e,8[fp-7 {
3z~d7J e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
2R=Fc@MXs this.style.color=’buttontext’;this.style.cursor=’default’;");
Zog&:]P'F e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
fMluVND }
t;/s^-} b-Xc6f H9+[T3b 8.关于日期格式
/]>8V'e\ $ts1XIK% 日期格式设定
,(y6XUV~ DataFormatString="{0:yyyy-MM-dd}"
HY>zgf,0 ?Jy/]j5fI 我觉得应该在itembound事件中
5e|yW0o e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
W\1V`\gF 2uT"LW/(H 9.获取错误信息并到指定页面
0/TP`3$X#" D4IP$pAD 不要使用Response.Redirect,而应该使用Server.Transfer
1G`zwfmh~ }[mLtv%& e.g
b2Oj 1dP1 // in global.asax
Z(wj5;[G protected void Application_Error(Object sender, EventArgs e) {
HF;$Wf+=J if (Server.GetLastError() is HttpUnhandledException)
~pWV[oUD Server.Transfer("MyErrorPage.aspx");
:N#8|;J1Fl &OXm^f)K //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
{({Rb$ }
y*7{S{9 7 <<`9, 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
g|=1U c\DMeYrg 10.清空Cookie
}-N4D"d4o Cookie.Expires=[DateTime];
|y.^F3PE Response.Cookies("UserName").Expires = 0
U-:"Wx%G wY xk[)&Y 11.自定义异常处理
%n)H(QPW //自定义异常处理类
5KgAY;| using System;
{YMO8 using System.Diagnostics;
,vs# (d6 G ArVW2gL namespace MyAppException
uWDWf5@ {
q~6a$8+t /// <summary>
}CGA)yK~3 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
PfjD!=yS=h /// 自动将异常内容记录到Windows NT/2000的应用程序日志
8{DW$ZtR /// </summary>
f~P~% public class AppException:System.ApplicationException
%pj T?G7 {
8z)J rO} public AppException()
K)N'~jCG {
9(pF!}1%\ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
8/"R&yAh }
WbJ
JJ4w]Dd4 public AppException(string message)
7!PU}[: {
#7Jvk_r9Y LogEvent(message);
`b*x}HP$ }
&|I{ju_ 7 0Wy]8<P public AppException(string message,Exception innerException)
K_GqM9 {
5gKXe4}\/| LogEvent(message);
u3C0!{v if (innerException != null)
PM^Xh*~ {
Rg SB? LogEvent(innerException.Message);
yW@YW_2;4 }
<tgfbY^nL }
7bL48W<QD D!rD-e //日志记录类
r1a/'+ using System;
(nAg
~i using System.Configuration;
%TYe]^/'y using System.Diagnostics;
[B@R(z=H using System.IO;
0,1)Sg* using System.Text;
4P=)u}{]^# using System.Threading;
48LzI@H& p+}eP|N namespace MyEventLog
$g '4' {
<(_${zR /// <summary>
8I<LZ{a10 /// 事件日志记录类,提供事件日志记录支持
oH1]-Nl$ /// <remarks>
sWFw[Y> /// 定义了4个日志记录方法 (error, warning, info, trace)
?P"j5 /// </remarks>
e$N1m:1* /// </summary>
?7dV:]%~2 public class ApplicationLog
xcX^L84\ {
4%*`'o$_ /// <summary>
Rf TG
5E) /// 将错误信息记录到Win2000/NT事件日志中
,:pKNWY)Q /// <param name="message">需要记录的文本信息</param>
J5SOPG /// </summary>
PJ2m4ulY public static void WriteError(String message)
CO{AC~ {
V`xE&BI WriteLog(TraceLevel.Error, message);
u"-."_ }
,B$e'KQ 1i}p?sU /// <summary>
(|sqN8SbA /// 将警告信息记录到Win2000/NT事件日志中
V"5LNtf /// <param name="message">需要记录的文本信息</param>
`o6T)49 /// </summary>
&24>9 public static void WriteWarning(String message)
xbsX-F {
15ImwQ WriteLog(TraceLevel.Warning, message);
(``|5;T\ }
O6]X\Cwj% dF'oZQz /// <summary>
~`<_xIvrq /// 将提示信息记录到Win2000/NT事件日志中
23'Ac,{ /// <param name="message">需要记录的文本信息</param>
Bi|-KS.9 /// </summary>
A?H.EZ public static void WriteInfo(String message)
%:Y'+!bX {
W <M\b# WriteLog(TraceLevel.Info, message);
VL2ACv( }
UQ~gjnb[c /// <summary>
v2 }>/b) /// 将跟踪信息记录到Win2000/NT事件日志中
<zp|i#~ /// <param name="message">需要记录的文本信息</param>
H;Gd /// </summary>
2o1 RJk9 public static void WriteTrace(String message)
@pV&{Vp {
jN{+$ @cI WriteLog(TraceLevel.Verbose, message);
Rip[ }
_F3=
H]P cWp5pGIzfp /// <summary>
6&L8{P /// 格式化记录到事件日志的文本信息格式
G`NGt_C /// <param name="ex">需要格式化的异常对象</param>
#.|MV}6rQ /// <param name="catchInfo">异常信息标题字符串.</param>
7-c3^5gn{ /// <retvalue>
A2"$B\j1 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
2fG[q3` /// </retvalue>
K!;>/3Y2- /// </summary>
0b+End#mp public static String FormatException(Exception ex, String catchInfo)
J>^KQ {
4n/CSAT1 StringBuilder strBuilder = new StringBuilder();
8[d6 s if (catchInfo != String.Empty)
q@}tv=} {
,e+S7YX strBuilder.Append(catchInfo).Append("\r\n");
^A$p)`KR }
..yLtqos strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
5 0< return strBuilder.ToString();
!KLY*bt6 }
A~#w gLGn -}P/<cu: /// <summary>
dgW/5g /// 实际事件日志写入方法
]-g4Ct_V /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
'Ug-64f> /// <param name="messageText">要记录的文本.</param>
B8 R&Q8Q /// </summary>
nj7\vIR7 private static void WriteLog(TraceLevel level, String messageText)
;{ESo?$* {
]`\~(*;[W9 try
WxS$yUu {
9P# <T7 EventLogEntryType LogEntryType;
$GX9-^og=T switch (level)
B2)SNhF2Y {
GKf%dKL case TraceLevel.Error:
tkf^sGgNO LogEntryType = EventLogEntryType.Error;
*Zz hN]1 break;
U\UlQp? case TraceLevel.Warning:
|oTA$bln LogEntryType = EventLogEntryType.Warning;
pLsJa?}R break;
@H|3e@5([ case TraceLevel.Info:
#<gD@Jyb u LogEntryType = EventLogEntryType.Information;
z?Qt%1q break;
P*{*^DN case TraceLevel.Verbose:
9+co`t. LogEntryType = EventLogEntryType.SuccessAudit;
ZvkBF9d break;
kqp*o+Oz', default:
~k/GmH LogEntryType = EventLogEntryType.SuccessAudit;
8% `Jf` break;
bj U]] }
j(];b+>
BYXMbx EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
;09U*S$eK //写入事件日志
gIcm`5+T eventLog.WriteEntry(messageText, LogEntryType);
#B8V2_M K)TMr"j\ }
NEcE-7aT catch {} //忽略任何异常
#H&`wMZZ: }
j4!oBSp } //class ApplicationLog
k{.`=j }
btv.M v>p}f"$` 12.Panel 横向滚动,纵向自动扩展
#mH4\s <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Oh/2$72 '{:lP"\,L 13.回车转换成Tab
xQ@gh
( ( <script language="javascript" for="document" event="onkeydown">
d(;Qe}ok> if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
DT>Giic event.keyCode=9;
aDVBi: _ </script>
p^?]xD( jt4c*0z onkeydown="if(event.keyCode==13) event.keyCode=9"
uI+^8-HZ; IjnO2X 14.DataGrid超级连接列
(xlAS DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
F!~o J QOKE9R#Y 15.DataGrid行随鼠标变色
_.K<#S private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
av4g/7= {
^HI}bS1+| if (e.Item.ItemType!=ListItemType.Header)
wsyAq'%L {
b%D}mxbS e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
ky|Py e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
h-=lZ~W~ }
-`} d@x }
Kf'oXCs [Z{0|NR 16.模板列
qo5WZ
be <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
}pL#C <ITEMTEMPLATE>
a^.5cJ$] <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
ad'C&^o5 </ITEMTEMPLATE>
TaE&8;H#N </ASP:TEMPLATECOLUMN>
I-o|~ ylBjuD+ <ASP:TEMPLATECOLUMN headertext="选中">
i9quP"<9 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
3Fl!pq] <ITEMTEMPLATE>
<hM`]/J55 <ASP:CHECKBOX id="chkExport" runat="server" />
I+_u?R)$ </ITEMTEMPLATE>
}
2P,Z 6L <EDITITEMTEMPLATE>
Z{spo= <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
[{cMEV& </EDITITEMTEMPLATE>
=#sr4T </ASP:TEMPLATECOLUMN>
Uh8c!CA8:\ "[p-Iy1 后台代码
<-K'9ut, protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
DW.vu%j^[ {
{G(N vf,K] //改变列的选定,实现全选或全不选。
6A*k CheckBox chkExport ;
vILq5iR if( CheckAll.Checked)
3v7*@(y {
@>SirYh foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
o@blvW<v7 {
>r~!'Pd! chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
gQ~X;' chkExport.Checked = true;
:;u?TFCRx }
89X`U)Ws }
R3ru<u>k& else
Gtpl5g QH {
tv8}O([ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
mu#
a {
(_$'e%G0 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
2/ v9 chkExport.Checked = false;
'+*{u]\ }
FCMV1, }
+4*jO5EZ }
+YK/^;Th gdkQ
h_\ 17.数字格式化
qZ|>{^a* MW$
X4<*KD 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
UgjY <%#Container.DataItem("price","{0:¥#,##0.00}")%>
d1=fA%pJ WwBs_OMc int i=123456;
v6q oH)n string s=i.ToString("###,###.00");
'k?*?XxG o9#8q_D9 18.日期格式化
R@Kzdeo 2%*mL98WK 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
YqSkz|o}m -k I;yL 显示为: 2004-8-11 19:44:28
x=~$ik++ '#p2v'A 我只想要:2004-8-11 】
7lYiu fg <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
G>yTv`- :Lze8oY(D} 应该如何改?
0281"aO c-gpO|4> 【格式化日期】
POtwT">z 6o!Y^^/U 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
V'jvI rS^+y{7 【日期的验证表达式】
]E!b& /a:sWmxMT A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
sp'f>F2] ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
d iG kwKj jdWA)N}kDG B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
8%W(",nd ^\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]))$
1 /dy@' "ABg,^jf 【大小写转换】
MmPLJ HttpUtility.HtmlEncode(string);
(^4V]N& HttpUtility.HtmlDecode(string)
heN?lmC u eD_<KjE= 19.如何设定全局变量
B(TE?[ # ]> dCt< Global.asax中
"ke>O' g=5vnY Application_Start()事件中
XV|u!'Ey _2N7E#m" S 添加Application[属性名] = xxx;
"Smek#l dnW #" 就是你的全局变量
g4-UBDtYt ^<