1. 打开新的窗口并传送参数:
i]6`LqlO Rn9m]x 传送参数:
/
zB0J? response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
DRp~jW(\y LYz.Ci} 接收参数:
C/vIEYG4 string a = Request.QueryString("id");
=u2l.CX string b = Request.QueryString("id1");
!'&n-Q ]|zp0d=&o 2.为按钮添加对话框
V )x$|!( Button1.Attributes.Add("onclick","return confirm(’确认?’)");
<SgM@0m button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
t>urc W&&;:Fr 3.删除表格选定记录
naYrpK,. int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
.<x&IJ / string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
D#il* )4gJd?
8R 4.删除表格记录警告
G~2jUyv private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
j/r]wd"aUS {
j.w@(<=x switch(e.Item.ItemType)
Sa?ksD2IaB {
snf~}:& case ListItemType.Item :
EN;}$jZ>47 case ListItemType.AlternatingItem :
j53*E
)d case ListItemType.EditItem:
/%}*Xh TableCell myTableCell;
wsIW
|@ myTableCell = e.Item.Cells[14];
>L;eO'D LinkButton myDeleteButton ;
]b7zJUz myDeleteButton = (LinkButton)myTableCell.Controls[0];
Ma.`A myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
TZ(cu> break;
xLNtIzx default:
aqRhh=iS break;
OjJXysslXO }
1zm ulj%& \>:CvTzF }
)}D'<^=#T ysxb?6 5.点击表格行链接另一页
.aAL]-Rj
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9[b<5Llt {
}=gx# //点击表格打开
s+,OxRVw( if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
7
%Oa;]| e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
&]e'KdXF }
4zev^FR Ne8Cgp 双击表格连接到另一页
-(bXSBs# v 1z 在itemDataBind事件中
E^ P,*s if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!sDh4jQ` {
Z:,U]Z( string OrderItemID =e.item.cells[1].Text;
dv8>[# ...
e+$p9k~ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
k2c}3 MeP }
v,
n$^R kbTm^y" 双击表格打开新一页
tZ=E')!\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
*)ardZV${ {
0E,8R{e string OrderItemID =e.item.cells[1].Text;
"= 6_V?&w ...
WHsgjvh" e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
K`iv c N" }
q qpgy7
z.$4!$q ★特别注意:【?id=】 处不能为 【?id =】
SB1upTn 6.表格超连接列传递参数
ohF JZ' <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
9N9L}k b <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Cdas P9"1 6+.uU[x@ 7.表格点击改变颜色
mef<=5t if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
J7= + {
Ss~;m']68 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
?nofUD. this.style.color=’buttontext’;this.style.cursor=’default’;");
YP.5fq: }
|X0Y- ';TT4$(m 写在DataGrid的_ItemDataBound里
#w,Dwy if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
GNXHM*~ {
E~%jX
}/ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
^T ?RK"p this.style.color=’buttontext’;this.style.cursor=’default’;");
:*ing e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
&<wuJ%'>)Z }
)~+E[| $}J5xG,}$ ]w;rfn9D 8.关于日期格式
ofPHmh` {Or; 日期格式设定
0~ZFv Wv DataFormatString="{0:yyyy-MM-dd}"
mz@T MaRi+3F 我觉得应该在itembound事件中
OK{quM5 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
!n*
+(lZ (8Bk;bd 9.获取错误信息并到指定页面
cxA ^:3 (d(hR0HKE 不要使用Response.Redirect,而应该使用Server.Transfer
G B>QK lzYEx e.g
)Y2{_ bx4" // in global.asax
~aMlr6; protected void Application_Error(Object sender, EventArgs e) {
N['qgO/ if (Server.GetLastError() is HttpUnhandledException)
[z9`)VIe Server.Transfer("MyErrorPage.aspx");
D}dn.$ R%Q@ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
|+iws8xK? }
4 !y%O k"NVV$; Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
jp0<pw_ 5]n[]FW 10.清空Cookie
ebT:/wu,2 Cookie.Expires=[DateTime];
n` xR5!de Response.Cookies("UserName").Expires = 0
RoU55mL )3~{L;q 11.自定义异常处理
( M7pT //自定义异常处理类
f!s=(H; using System;
IB[)TZ2m using System.Diagnostics;
N F+iza;DP H*[M\gN$ namespace MyAppException
~(Q)"s\1I {
I_<I&{N> /// <summary>
l-SAC3qhG /// 从系统异常类ApplicationException继承的应用程序异常处理类。
=bHD#o|R /// 自动将异常内容记录到Windows NT/2000的应用程序日志
/lo2y?CS* /// </summary>
Z?%zgqTXb public class AppException:System.ApplicationException
+pR[U4$ {
!q9+9 *6 public AppException()
#=6E\&NC {
QV{}K if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Wn(6,MDUN }
'R
c,Mq' c17_2 @N public AppException(string message)
yp$_/p O=2 {
rcMwFE?|xq LogEvent(message);
p(~Yx3$* }
@&1ZB6OCb: 5\e9@1Rc public AppException(string message,Exception innerException)
So0f)`A {
BsEF'h'Owh LogEvent(message);
cFeXpj?GV
if (innerException != null)
$4/yZaVb {
+xrr?g LogEvent(innerException.Message);
{vuZ{IJa }
7cTV?nc }
(>r[-Bft (+B5|_xQu //日志记录类
1XD,uoxB
using System;
cUA7#1\T= using System.Configuration;
a'2$nbp} using System.Diagnostics;
:.$3vaZ@ using System.IO;
!4^C #{$ using System.Text;
<Dwar>} using System.Threading;
n2oz"<?$S ptU\[Tq namespace MyEventLog
`[W[H(AjQ {
N7O-2Z * /// <summary>
jV4\A
/// 事件日志记录类,提供事件日志记录支持
4scNSeW /// <remarks>
8xccp4 /// 定义了4个日志记录方法 (error, warning, info, trace)
f}x.jxY? /// </remarks>
/7}It$|nhy /// </summary>
D^=J|7e public class ApplicationLog
Kjs.L!W {
fpFhn /// <summary>
)pq;*~IBI /// 将错误信息记录到Win2000/NT事件日志中
4iKgg[)7`= /// <param name="message">需要记录的文本信息</param>
A1.7O /// </summary>
w-Da~[J public static void WriteError(String message)
5 N#3a0) {
fSs4ZXC WriteLog(TraceLevel.Error, message);
YgUvOyaQXf }
QWzB6H] no<
^f]33 /// <summary>
>_|O1H./4 /// 将警告信息记录到Win2000/NT事件日志中
UFp,a0| /// <param name="message">需要记录的文本信息</param>
+\F'iAs@ /// </summary>
]Bjyi[#bg public static void WriteWarning(String message)
(X?%^^e! {
$`)/0{qY- WriteLog(TraceLevel.Warning, message);
%F-ZN^R }
tE]= cTSV (Q.waI /// <summary>
^yyC
[Mz /// 将提示信息记录到Win2000/NT事件日志中
_nbBIaHN{ /// <param name="message">需要记录的文本信息</param>
\}p6v } /// </summary>
*=+td)S/1 public static void WriteInfo(String message)
f"qga/ {
E|6VX4`+ WriteLog(TraceLevel.Info, message);
?e,pN,4 }
PYM(Xz$ /// <summary>
j(RWO /// 将跟踪信息记录到Win2000/NT事件日志中
qoj$]
/// <param name="message">需要记录的文本信息</param>
XqW@rU /// </summary>
4KH45|;3 public static void WriteTrace(String message)
}>VG~u8 {
]dI2y=[!C WriteLog(TraceLevel.Verbose, message);
d5D$&5Ec }
:9$F'd\ %we u 1f /// <summary>
;9#Z@]p /// 格式化记录到事件日志的文本信息格式
&!/}Qp /// <param name="ex">需要格式化的异常对象</param>
[&&1j@LQ* /// <param name="catchInfo">异常信息标题字符串.</param>
K)Q]a30 /// <retvalue>
.zn;:M#T /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
#m{UrTC /// </retvalue>
?i06f,- /// </summary>
v(EEG/~ public static String FormatException(Exception ex, String catchInfo)
m6',SY9T {
?sMP~RHQ StringBuilder strBuilder = new StringBuilder();
j}~86JO+Cw if (catchInfo != String.Empty)
HA2k[F@3^ {
l,,>& F strBuilder.Append(catchInfo).Append("\r\n");
JWMpPzs }
DR c)iE>@ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Yx eOI#L return strBuilder.ToString();
m3mp/g.> }
Mi/&f .8y3O] /// <summary>
GQ9\'z#+ /// 实际事件日志写入方法
xv&Q+HD /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
76Vl6cPu> /// <param name="messageText">要记录的文本.</param>
+=.W<b /// </summary>
m"o ;L3 private static void WriteLog(TraceLevel level, String messageText)
!-,t'GF( {
<K8\n^i~c try
WC|.g,9# {
8[J}CdS EventLogEntryType LogEntryType;
Dg}
Ka7H switch (level)
IaT$6\> {
2EfF=Fm> case TraceLevel.Error:
!kE-_dY6) LogEntryType = EventLogEntryType.Error;
o]p|-<I Q break;
I+dbZBX case TraceLevel.Warning:
;~\MZYs3m LogEntryType = EventLogEntryType.Warning;
DXa-rk8 break;
}b0; 0j case TraceLevel.Info:
qHP78&wUx LogEntryType = EventLogEntryType.Information;
86\S?=J-b break;
uvV;Mlo] case TraceLevel.Verbose:
l?Fb ='# LogEntryType = EventLogEntryType.SuccessAudit;
`/~8}Y{ break;
<~n$1aA default:
H8`(O"V LogEntryType = EventLogEntryType.SuccessAudit;
|"9 #bU break;
7?kIVP1r }
2c:#O%d( Vgyew9>E EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
cg*)0U-_( //写入事件日志
&bp=`=* eventLog.WriteEntry(messageText, LogEntryType);
61jI 6+KHQFb&N }
Hx\H $Y catch {} //忽略任何异常
W"k8KODOY }
a'jR#MQl? } //class ApplicationLog
^4`Px/& }
8WXJ. 8kIR y 12.Panel 横向滚动,纵向自动扩展
h?FmBK'BAd <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
r,Nq7Txn? }-o{ASC# 13.回车转换成Tab
_dJ{j <script language="javascript" for="document" event="onkeydown">
vJU*>U, if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
0#YX=vjX7 event.keyCode=9;
&2=dNREJ}1 </script>
*r$+&8V\n p$x{yz3 onkeydown="if(event.keyCode==13) event.keyCode=9"
y:vxE8$Q V]vc(rH 14.DataGrid超级连接列
P b]3&!a DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
\0H's{uek (Gw,2-A 15.DataGrid行随鼠标变色
D.1J_Y=9 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Gsc\/4Wx {
x"CZ]p&m if (e.Item.ItemType!=ListItemType.Header)
DVkB$2] {
#zRbx e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
yGsz2T;w e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
-pE(_ }
"luR9l,RRE }
Cc, `}SP YTjkPj: 16.模板列
H=\!2XS <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
V86Xg:?7 <ITEMTEMPLATE>
]d]JXt?)i <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
D^-7JbE] </ITEMTEMPLATE>
T1r3=Y4 </ASP:TEMPLATECOLUMN>
b77>$[xB bug
Ot7 <ASP:TEMPLATECOLUMN headertext="选中">
hAjM1UQ,Y <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
(} 5S <ITEMTEMPLATE>
xGG,2W+z <ASP:CHECKBOX id="chkExport" runat="server" />
4#'("#R </ITEMTEMPLATE>
?^EXTU85`" <EDITITEMTEMPLATE>
X2xuwA <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
yj$TPe_BW </EDITITEMTEMPLATE>
\ AC|?/sH </ASP:TEMPLATECOLUMN>
Zxb_K {"
4e+y 后台代码
$\"9<o|h protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
\xUe/= {
u^j {U} //改变列的选定,实现全选或全不选。
3w!c`;c% CheckBox chkExport ;
/^ " 83?_ if( CheckAll.Checked)
3J=Y9 } {
gn{=%`[ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
rJ o"fx {
ne>g?"Pex{ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
~-83Q5/[ chkExport.Checked = true;
eJo3 MK }
+~ #U7xgq/ }
;=< ^0hxer else
\Fe_rh {
KnNh9^4"\2 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
!8@*F {
'/I:^9 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
3~qR chkExport.Checked = false;
7 ua6l[c }
*E~VKx1 }
#DjCzz\ }
A, PlvI 3<?XTv- 17.数字格式化
=U.
b% uC 1'4J[S\cM 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
"W#t;;9Wz <%#Container.DataItem("price","{0:¥#,##0.00}")%>
O3.C:?;x G3G6IP int i=123456;
6UE(f@ string s=i.ToString("###,###.00");
(.Lrmf@hI7 V
>,Z-&.% 18.日期格式化
s6}Xt=j 3?E&}J<n 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
[Lp,Hqi5 ./p|?pu
显示为: 2004-8-11 19:44:28
a?R[J== F#{gfh 我只想要:2004-8-11 】
j4R 4H; <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
xc?}TPpt {FI\~q 应该如何改?
-~4+w w#^U45y1v 【格式化日期】
ba3-t;S
]=!P(z| 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
? &zQaxD XW L^ 【日期的验证表达式】
>x[`;O4 AA:no= A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
,5|d3dJS ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
m/`IGT5J r
Db>&s3 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
y)F!c29 ^\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]))$
)uLr?$qe 2>\\@1 【大小写转换】
-n*;W9 HttpUtility.HtmlEncode(string);
[^~7]2 i HttpUtility.HtmlDecode(string)
A.Bk/N1G &gc`<kLu 19.如何设定全局变量
+@VYs*&& G*\h\@ Global.asax中
XV'fW~j\ cywg[ Application_Start()事件中
jK8'T_Pah %q_Miu@ 添加Application[属性名] = xxx;
Q;nAPS ~k'V*ERNSj 就是你的全局变量
PG,U6c # D*vm
cSf 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
e@F|NCQ.9 Y~n`~( HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
eFTX6XB:i V)D-pV V 【ASPNETMENU】点击菜单项弹出新窗口
,f:
jioY <E':[.zC 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
LEh)g[
<?xml version="1.0" encoding="GB2312"?>
4x'AC%&Qi <MenuData ImagesBaseURL="images/">
sXl ??UGe <MenuGroup>
PdY>#Cyh <MenuItem Label="内参信息" URL="Infomation.aspx" >
+zWrLf_Rc <MenuGroup ID="BBC">
G+)?^QTn <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
\Kd7dK9&] <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
dmR3Y.\jd ......
JZ`L% nR8]@c C 最好将你的aspnetmenu升级到1.2版
WfGH|u
i#,1iVSG 21.读取DataGrid控件TextBox值
Q:S\0cI0 foreach(DataGrid dgi in yourDataGrid.Items)
w1B<0'# {
g=A$<