1. 打开新的窗口并传送参数:
?r_kyuU C0)Z6 传送参数:
Csst[3V response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
S\C*iGeqJ _kraMQ> 接收参数:
"PWl4a& string a = Request.QueryString("id");
m)>&ZIXa string b = Request.QueryString("id1");
T|4snU2M Z|6{T 2.为按钮添加对话框
qt?*MyfV Button1.Attributes.Add("onclick","return confirm(’确认?’)");
?Hz2-Cn button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
&_-](w` L K7Xw3 3.删除表格选定记录
, |E$' int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
HxwlYx,4 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
$xW**& |Fln8wB 4.删除表格记录警告
C".1+Um private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
NlPS# {
2Oc$+St~8 switch(e.Item.ItemType)
{ISE'GJj {
I<\
'% case ListItemType.Item :
zQ)+/e(8 case ListItemType.AlternatingItem :
70gg4BS case ListItemType.EditItem:
jZ9[=? TableCell myTableCell;
lu\o`m5wF myTableCell = e.Item.Cells[14];
Iin#Wd-/ LinkButton myDeleteButton ;
b{[*N myDeleteButton = (LinkButton)myTableCell.Controls[0];
4SVW/Zl.? myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
t8J/\f= break;
RVM&4#E default:
PXYE;*d( break;
{[OwMk }
1=GI&f2I kA?_%fi1 }
aq>?vti1D M@7Xp)S" 5.点击表格行链接另一页
{[#(w75R{ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8n)WW$ {
] f7#N //点击表格打开
-;c if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6SEltm( e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
yY=<'{! }
c[(Pg% n~r 9!m$< 双击表格连接到另一页
wq0aF"k N +Sq}hI 在itemDataBind事件中
6].:.b\qQc if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
XAic9SNu; {
R{}qK r string OrderItemID =e.item.cells[1].Text;
:=. *I ...
!k&)EWP? e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
~l4f{uOD>] }
F8mC?fbK9 &r_uQbx 双击表格打开新一页
TUTe9;) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|r=DBd3 {
ExhL[1E string OrderItemID =e.item.cells[1].Text;
HtBF=Boq ...
&a #GXf e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
\HSicV#i }
z1j|E
: szq+@2: ★特别注意:【?id=】 处不能为 【?id =】
4<gJ2a3 6.表格超连接列传递参数
/^<en(0=P <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
!D:k! <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
F@SG((` *@M3p}',M 7.表格点击改变颜色
%J P!{mqj if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3'#%c>_ {
8 njuDl e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
X#J6Umutm this.style.color=’buttontext’;this.style.cursor=’default’;");
\ lr/;-zP }
__\P`S_ h7W}OF_=y 写在DataGrid的_ItemDataBound里
*o4%ul\3Y| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
A~71i& {
ZgYZwc&- e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
f_<Y\ this.style.color=’buttontext’;this.style.cursor=’default’;");
|rPAC![= e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
`BT^a
=5 }
)U98 aqL<v94wX YKx 1NC 8.关于日期格式
Jt=>-Spj Bymny>.M 日期格式设定
WYO\'W DataFormatString="{0:yyyy-MM-dd}"
Y3oMh, i?>Hr| 我觉得应该在itembound事件中
*\q8BZ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
rg)h5G #+G`!<7/@f 9.获取错误信息并到指定页面
}~zO+Wf2 Uf2:gLrF 不要使用Response.Redirect,而应该使用Server.Transfer
c E76L%O xqWj|jA e.g
i^/54 // in global.asax
K`(#K#n protected void Application_Error(Object sender, EventArgs e) {
6VR[)T% if (Server.GetLastError() is HttpUnhandledException)
u4"r>e6_B Server.Transfer("MyErrorPage.aspx");
<Jwo?[a L8P36]> //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
#v/ry)2Y= }
l>Av5g)
K-@bwB7~s 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
M,..Kw/ }~ l%PnB
)F 10.清空Cookie
%$9:e
J? Cookie.Expires=[DateTime];
wZ>Y<0, Response.Cookies("UserName").Expires = 0
(,tHL chLeq 11.自定义异常处理
w%u5< //自定义异常处理类
n-OWwev) using System;
.<w)Bmh using System.Diagnostics;
!sK#zAR2
DQ_ 2fX~) namespace MyAppException
!R{em4 8D {
)%#?3X^sI /// <summary>
aL)$b /// 从系统异常类ApplicationException继承的应用程序异常处理类。
x5vzPh` /// 自动将异常内容记录到Windows NT/2000的应用程序日志
uBRw>"c_*8 /// </summary>
6Ct0hk4 public class AppException:System.ApplicationException
G"Pj6QUva {
_3&/(B%H public AppException()
:uvc\|:s {
<Kp+&(l,l if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
J|?[.h7tO }
j],&z^O$ 8MQbLj'H public AppException(string message)
FV8\+ep {
,;3:pr LogEvent(message);
BhkAQEsWTQ }
Iaa|qJ4 s01$fFJgO public AppException(string message,Exception innerException)
p">WK<N {
{X]9^=O" LogEvent(message);
.EzSSU7n) if (innerException != null)
6o(lObfo {
enPYj.*/0 LogEvent(innerException.Message);
Hdna{@~ }
Nh:4ys!P }
Cqa3n[Mhw1 6vWii)O.D //日志记录类
JD-Becz using System;
$QffrU' using System.Configuration;
'\'7yN' using System.Diagnostics;
eoL0^cZj using System.IO;
?\d5;%YSr using System.Text;
PL!tk^;6- using System.Threading;
J~'~[,K S5/p=H: namespace MyEventLog
1:5P%$?b {
un&> /// <summary>
dcP88!#5- /// 事件日志记录类,提供事件日志记录支持
w= B /// <remarks>
>vxWx[fRu /// 定义了4个日志记录方法 (error, warning, info, trace)
)BpIxWd? /// </remarks>
vVdxi9yk /// </summary>
_KxX&THaj public class ApplicationLog
i8eA_Q {
!|(Ao"] /// <summary>
ULck /// 将错误信息记录到Win2000/NT事件日志中
R05T5Q1]A /// <param name="message">需要记录的文本信息</param>
6Ok,_
! /// </summary>
CQjV!d0j public static void WriteError(String message)
30BR0C {
<L%HG WriteLog(TraceLevel.Error, message);
lXw;|dGF }
vhX-Qk t} !8Y3V/)NU /// <summary>
(E IR z> /// 将警告信息记录到Win2000/NT事件日志中
Ga?UHw~ /// <param name="message">需要记录的文本信息</param>
Pgx+\;w" /// </summary>
13\Sh public static void WriteWarning(String message)
aYR\ <02 {
9Mnem* WriteLog(TraceLevel.Warning, message);
CP@o,v- }
n }TTq6B eoC<a"bJ> /// <summary>
qb9}&'@: /// 将提示信息记录到Win2000/NT事件日志中
U#iT<#!l2 /// <param name="message">需要记录的文本信息</param>
VrudR#q /// </summary>
E4hq} public static void WriteInfo(String message)
XWc|[>iO {
69-$Wn43< WriteLog(TraceLevel.Info, message);
y^, "gD }
'&/(oJ;O~ /// <summary>
EO"=\C, /// 将跟踪信息记录到Win2000/NT事件日志中
Px$'(eMj^3 /// <param name="message">需要记录的文本信息</param>
ud.poh~| /// </summary>
ItMl4P`| public static void WriteTrace(String message)
. ^BWR {
Y0rf9 WriteLog(TraceLevel.Verbose, message);
fo*!a$) }
D8a)( wm 5#P: "U /// <summary>
2"zI R( /// 格式化记录到事件日志的文本信息格式
0NVG"-Q /// <param name="ex">需要格式化的异常对象</param>
x}uwWfe 3 /// <param name="catchInfo">异常信息标题字符串.</param>
E=A/4p6\$ /// <retvalue>
(tTLK0V-|3 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
e1oFnu2R /// </retvalue>
)!BB/'DRQ /// </summary>
KqFmFcf| public static String FormatException(Exception ex, String catchInfo)
_AVy:~/ {
+V6j` StringBuilder strBuilder = new StringBuilder();
rknzo]N, if (catchInfo != String.Empty)
MG;4M>H {
IM$'J strBuilder.Append(catchInfo).Append("\r\n");
p$B)^S%0i }
7jhl0 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
T3 =)F% return strBuilder.ToString();
o:h)~[n| }
byp.V_a}/ W5TqC /// <summary>
>Zi|$@7t- /// 实际事件日志写入方法
twAw01". /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
p0"BO4({{ /// <param name="messageText">要记录的文本.</param>
U9bFUK/z /// </summary>
kVy"+ZebK private static void WriteLog(TraceLevel level, String messageText)
FW/6{tm {
1a \=0=[ try
M_yZR^;^- {
{c.}fyN EventLogEntryType LogEntryType;
6ch@Be5* switch (level)
OX'/?B(( {
qdKh6{ case TraceLevel.Error:
7'c8]/qh LogEntryType = EventLogEntryType.Error;
Ty)gPh6O break;
no eb f case TraceLevel.Warning:
0m
qSA LogEntryType = EventLogEntryType.Warning;
jY1^+y{ break;
(L]T*03# case TraceLevel.Info:
~4l6unCI LogEntryType = EventLogEntryType.Information;
R65;oJh break;
h<t<]i' case TraceLevel.Verbose:
T@2f&Un^ LogEntryType = EventLogEntryType.SuccessAudit;
/M5=tW#e break;
"#[o?_GaJ default:
\xy:6gd: LogEntryType = EventLogEntryType.SuccessAudit;
>eTf}#s?S break;
N;%j#(v
j }
/^nP_ID E>o&GYc EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
# Lu4OSM+ //写入事件日志
8Ng))7g! eventLog.WriteEntry(messageText, LogEntryType);
"-G.V#zI [RroHXdk+ }
h}Fu"zK catch {} //忽略任何异常
Yk(NZ3O }
z1z=P%WK } //class ApplicationLog
jJiCF,m }
g`y/_ b#bO=T$e- 12.Panel 横向滚动,纵向自动扩展
89 _&X[X <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
#MmmwPB_ J$o[$G_Z 13.回车转换成Tab
JI28}Cxs0 <script language="javascript" for="document" event="onkeydown">
{'cs![U if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
FZ;YvdX6 event.keyCode=9;
uOy\{5s8 </script>
LA( f]Xmc XyN`BDFi onkeydown="if(event.keyCode==13) event.keyCode=9"
yTMGISX5 ?)i6:76( 14.DataGrid超级连接列
gME:\ud$ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
s2,`eV Py( w T%w 15.DataGrid行随鼠标变色
sIP6GWK$ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
b@UF
PE5jy {
Iwd"f if (e.Item.ItemType!=ListItemType.Header)
x`&P}4v0 {
hfVzzVX: e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
bYRQI=gW': e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
FuRn%)DA5 }
>rQ)|W=i }
[C*Xk{e G>?x-!9qcH 16.模板列
F<XD^sO <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
0hEF$d6U <ITEMTEMPLATE>
SV$ASs <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
< :S?t2C </ITEMTEMPLATE>
r)*_,Fo| </ASP:TEMPLATECOLUMN>
3@#,i<ge : -0[>}!l=G <ASP:TEMPLATECOLUMN headertext="选中">
<ZN)
/,4PS <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
x %!OP\ <ITEMTEMPLATE>
J{v6DYhi <ASP:CHECKBOX id="chkExport" runat="server" />
U/~Zk@3j </ITEMTEMPLATE>
7ipY*DT8 <EDITITEMTEMPLATE>
5wVi{P5+ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
_ ;v_L </EDITITEMTEMPLATE>
{ILQ
CvP* </ASP:TEMPLATECOLUMN>
aG8;,H=%, J[Y lo&w3 后台代码
0.3[=a43 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
oWn_3gzw; {
D0"yZp} //改变列的选定,实现全选或全不选。
[9# #Kb CheckBox chkExport ;
-bG#h)yj if( CheckAll.Checked)
$txWVjR?\ {
)Q N=>J foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
DXw9@b {
}sm56}_ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
3n=cw2FG chkExport.Checked = true;
et7 T)(k0 }
4%Wn}@ }
h_}BmJ h_ else
Amq8q {
KH CdO foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
M 2U@gC|{ {
IT{.^rP chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
iKCTYXN1( chkExport.Checked = false;
w Lg:YM" }
c"_H%x<[ }
+RKE|*y }
0L
4]z'5 7cQHRM+1 17.数字格式化
R&d_WB4w }@t'rK[ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
i(TDJ@} <%#Container.DataItem("price","{0:¥#,##0.00}")%>
-t706(#k +BTNm66Z int i=123456;
)l81R string s=i.ToString("###,###.00");
Xj&~N;Ysb fuwp p 18.日期格式化
"!4>gg3r ?F_;~ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
/R+]}Lt~%* Aghj) V 显示为: 2004-8-11 19:44:28
f1,$<Y|qU _yXeX 我只想要:2004-8-11 】
71,0v`Z< <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
8aIq#v jL[Is2<@
应该如何改?
;Bc<u[G 9h{:!
【格式化日期】
t+Q|l&|0 r
z>zdj5} 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Y+5A2Z)f[ pOe` *2[ 【日期的验证表达式】
Eo3Aak o D-\'P31 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
A0 w `o ^((\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})))?$
Hi 0df3t bm]dz;ljh B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
qCFXaj
^\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]))$
pDnFT2 kJ5?BdvM& 【大小写转换】
F7PZV+\ HttpUtility.HtmlEncode(string);
R<