1. 打开新的窗口并传送参数:
Br,^4w[Hq mYy{G s7 传送参数:
[vJLj>@ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
41S.&-u "\x<Zg; 接收参数:
zv^km5by string a = Request.QueryString("id");
zree}VqD;5 string b = Request.QueryString("id1");
X &z|im'd 9uNkd2# 2.为按钮添加对话框
d=q&%gqN Button1.Attributes.Add("onclick","return confirm(’确认?’)");
GbLuXU button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
$hn=MOMc <:,m 3.删除表格选定记录
R0l5"l*@+ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Z/r =4 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
(&W&1KT iE~][_%U 4.删除表格记录警告
#}8l9[Q|M private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
wc%Wy|d {
R-~ZvVw7L switch(e.Item.ItemType)
'\MYC8" {
Ly7|:IbC case ListItemType.Item :
cILI%W1 case ListItemType.AlternatingItem :
x?aNK$A~X case ListItemType.EditItem:
<K(qv^C TableCell myTableCell;
?>p(* myTableCell = e.Item.Cells[14];
t==CdCl LinkButton myDeleteButton ;
-&Cb^$.-x myDeleteButton = (LinkButton)myTableCell.Controls[0];
|8bqn^@$t myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
bc?\lD$$ break;
+PlA#DZu default:
5a`f%
h% break;
mM[!g'* }
:"vW;$1
} r~q(m>Ct6 }
wb#ZRmx} MsaD@JY.y 5.点击表格行链接另一页
rwJCVkF private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_i/x4,=xv {
EO_:C9=d{ //点击表格打开
a7]wPXKq if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%OIJ. e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
s9Tp(Yr,k }
z154lY}K sRMz[n5k 双击表格连接到另一页
0Z m^6T 69 >- 在itemDataBind事件中
)V6Bzn}9 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ccdP}|9e {
Ao0p=@Y string OrderItemID =e.item.cells[1].Text;
v_ U$jjO1 ...
!Qqi% e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
pL&
Zcpx }
l\HLlwYO JNJ96wnX1 双击表格打开新一页
;v*J:Mn/= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
RZ6[+Ygn {
#[uDVCM string OrderItemID =e.item.cells[1].Text;
2`[iTBZ=^ ...
dr[sSBTY" e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
9GV1@'<Y] }
c)b/" j&
H4L ★特别注意:【?id=】 处不能为 【?id =】
AgBXB%). 6.表格超连接列传递参数
*%nV<}e^_= <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Fuz'! <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
MzRliH8e [J{M'+a 7.表格点击改变颜色
S{0iPdUC if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
s-Z< {
z>6hK:27 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
pz hPEp; this.style.color=’buttontext’;this.style.cursor=’default’;");
ld7B!_b< }
Vq IzDs UGb<&) 写在DataGrid的_ItemDataBound里
}MiEbLduN if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
AW R {
pnpx`u; e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
&>xd6- this.style.color=’buttontext’;this.style.cursor=’default’;");
t/k MV6 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
}g9g]\.!a }
*6`};ASK :;g7T -_q ?=dp]E{ 8.关于日期格式
)&") J}@ blk4@pg 日期格式设定
n|M~C\* DataFormatString="{0:yyyy-MM-dd}"
SJJ[y"GvD ;k=&ZV 我觉得应该在itembound事件中
)ZQ>h{}D e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
v]?zG&Jh r-s9]0"7~ 9.获取错误信息并到指定页面
]Uu :t %@~;PS3kd 不要使用Response.Redirect,而应该使用Server.Transfer
|b+ZKRW Dga;GYx e.g
Gm.sl}, // in global.asax
? koIZ protected void Application_Error(Object sender, EventArgs e) {
h6(\ tRd!\ if (Server.GetLastError() is HttpUnhandledException)
i>aIuQ`pe Server.Transfer("MyErrorPage.aspx");
y(fJ{k Ds<~JfVl //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
GpZ}xY'|w, }
Mjj5~by: 1KMSBLx 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
gy*c$[NS$ ,vh$G 7D 10.清空Cookie
A?+0Ce&qL Cookie.Expires=[DateTime];
#WlTE& Response.Cookies("UserName").Expires = 0
U^&,xz$Cg >At* jg48 11.自定义异常处理
b9Mp@I7Q- //自定义异常处理类
)#Le"&D using System;
:?P>))vT% using System.Diagnostics;
6.'j\ kc7,F2=F namespace MyAppException
c2RQwtN| {
o FS2*u /// <summary>
=3dR-3 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
fWz=bJ"V /// 自动将异常内容记录到Windows NT/2000的应用程序日志
w\zNn4B})A /// </summary>
V]5MIiNl public class AppException:System.ApplicationException
EGysA{o"X {
xS+!/pBf"Y public AppException()
WI6h
G {
%
4Gt^:J" if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
:LxsiDrF[ }
Kn*LwWne j_{f(.5 public AppException(string message)
[C`LKA$t {
=oT4!OUf LogEvent(message);
+'0V6\y }
zhgvqg- v];P| Fi public AppException(string message,Exception innerException)
{`ByZB {
g%_3 LogEvent(message);
{HtW`r1)Tt if (innerException != null)
d<cqY<y VA {
h7kn
>q; LogEvent(innerException.Message);
nt_FqUJ }
1$)}EL }
!<vy!pXg JLak>MS //日志记录类
$U4[a: using System;
:X}fXgeL using System.Configuration;
\OwCZ!`7i using System.Diagnostics;
7nPjeh using System.IO;
KU^|T2s% using System.Text;
&,tj.?NCn using System.Threading;
)4R[C={ -
VdCj%r> namespace MyEventLog
K]&i9`>N {
O$7cN\Z /// <summary>
/V }Z,'+ /// 事件日志记录类,提供事件日志记录支持
'<U4D /// <remarks>
v,!`A!{D /// 定义了4个日志记录方法 (error, warning, info, trace)
K SJ Ko /// </remarks>
Py\/p Fvg /// </summary>
9\VV++}s>o public class ApplicationLog
quS]26wQz {
Vy6~O|68= /// <summary>
eExI3"|Q /// 将错误信息记录到Win2000/NT事件日志中
:W#?U yo /// <param name="message">需要记录的文本信息</param>
}.D adV /// </summary>
tB`IBuy9!" public static void WriteError(String message)
P2F8[o!< {
0j2mTF(C WriteLog(TraceLevel.Error, message);
?u5jXJ0L }
JfRLqA/ `{NbMc\
] /// <summary>
,0eXg /// 将警告信息记录到Win2000/NT事件日志中
sB!6"D5 /// <param name="message">需要记录的文本信息</param>
MaLH2?je^n /// </summary>
]*D~>q"#\ public static void WriteWarning(String message)
y+
4#Iy {
h!`KX2~ WriteLog(TraceLevel.Warning, message);
6,!$S2(zT }
Js(MzL {I/t3.R` /// <summary>
w~3z); /// 将提示信息记录到Win2000/NT事件日志中
3bT?4 /// <param name="message">需要记录的文本信息</param>
:`c@&WF8 /// </summary>
Z4g<Ys* public static void WriteInfo(String message)
&[
,* {
!DD4Bqez WriteLog(TraceLevel.Info, message);
Rq`5ff3, }
(+}44Ldt /// <summary>
/4}y2JVv) /// 将跟踪信息记录到Win2000/NT事件日志中
E)|Bl> /// <param name="message">需要记录的文本信息</param>
EHfB9%O7y /// </summary>
BY':R-~( public static void WriteTrace(String message)
>3}N; {
\(}pm#O WriteLog(TraceLevel.Verbose, message);
Fzt7@VNxc }
Cq[Hh#q 1Beh&pl^ /// <summary>
6n;? :./ /// 格式化记录到事件日志的文本信息格式
Ap 3B' /// <param name="ex">需要格式化的异常对象</param>
rxj# /// <param name="catchInfo">异常信息标题字符串.</param>
1~E;@eK' /// <retvalue>
6!8uZ>u%Vg /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
4O:HT m /// </retvalue>
>U(E
\`9D /// </summary>
!3{.
V\P) public static String FormatException(Exception ex, String catchInfo)
cC]]H&'Hg+ {
E= .clA StringBuilder strBuilder = new StringBuilder();
P<;Puww/ if (catchInfo != String.Empty)
WO6+r?0M2 {
8"A0@fNz strBuilder.Append(catchInfo).Append("\r\n");
%-BwK }
"rVM23@
tq strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
m*\LO%s]E return strBuilder.ToString();
)\7Cp -E-W }
7%G&=8tq orbz`IQc /// <summary>
%cJdVDW`L /// 实际事件日志写入方法
Ocz21gl-?` /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
_Fe=:q /// <param name="messageText">要记录的文本.</param>
]:m4~0^#-( /// </summary>
J(A+mYr{: private static void WriteLog(TraceLevel level, String messageText)
lTVz'ys {
>U?#'e{qW try
L">m2/ HG {
_ q
AT%. EventLogEntryType LogEntryType;
~M1T
@Mv switch (level)
iRqLLMrn {
q^7=/d8 case TraceLevel.Error:
%NfH`%` LogEntryType = EventLogEntryType.Error;
GaV OMT break;
OL^DuoB4q case TraceLevel.Warning:
>h~>7i(A LogEntryType = EventLogEntryType.Warning;
t;:Yf break;
JvaHH!>d/ case TraceLevel.Info:
t{ `-G*^ LogEntryType = EventLogEntryType.Information;
8#4Gs Q" break;
7HL23Vrk case TraceLevel.Verbose:
}WF6w+ LogEntryType = EventLogEntryType.SuccessAudit;
5HTY ~&C break;
JeAyT48!M default:
ldc`Y/:{ LogEntryType = EventLogEntryType.SuccessAudit;
XhN?E-WywQ break;
,mK UCG }
%o`Cp64`Q *OHjw;xm+ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
&4)PW\ioY //写入事件日志
'*t<g@2$ eventLog.WriteEntry(messageText, LogEntryType);
VTi;y{ ,4}s 1J# }
/b6j<]H catch {} //忽略任何异常
7t78=wpLc }
W9bpKmc } //class ApplicationLog
`8TL*.9 }
Fl"LK:) RLGIST` 12.Panel 横向滚动,纵向自动扩展
a t=;}}X <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
.
ywVGBvJ
q ^Gj
IP 13.回车转换成Tab
5RY rAzQo <script language="javascript" for="document" event="onkeydown">
h*sL' fJ] if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
"IWL& cH3 event.keyCode=9;
s8k4e6ak </script>
9Z3Vf[n5\ "\M3||.! onkeydown="if(event.keyCode==13) event.keyCode=9"
pwF])uf*{\ cl M6R 14.DataGrid超级连接列
9A}y^=!` DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9Dyy&$s (D\`:1g 15.DataGrid行随鼠标变色
1W9uWkk_d private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
SW Hi iF@ {
ESe$6)P if (e.Item.ItemType!=ListItemType.Header)
'ztY>KV j {
g=Nde2d? e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
!{ORFd e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
p#gf^Y5 }
Owh:(EJ"d }
xDmwiVy vQ{mEaH 16.模板列
'9AYE"7Ydk <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
`>0(N.'T <ITEMTEMPLATE>
x![ut <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
'tVe#oI </ITEMTEMPLATE>
~sCdvBA </ASP:TEMPLATECOLUMN>
hr
g'Z5n Pa ^_s <ASP:TEMPLATECOLUMN headertext="选中">
x0xQFlGk <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
,4(m.P10 <ITEMTEMPLATE>
Q*/jQC <ASP:CHECKBOX id="chkExport" runat="server" />
MhN8'y( </ITEMTEMPLATE>
o7yvXrpG(U <EDITITEMTEMPLATE>
m .^WSy <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
<"LA70Hkk </EDITITEMTEMPLATE>
ket"fXqJX </ASP:TEMPLATECOLUMN>
OL623jQX DWU(ld:_ 后台代码
{.r9l protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
'8|joj>G= {
_No<fz8 //改变列的选定,实现全选或全不选。
zBqNE` CheckBox chkExport ;
<@qJsRbhK if( CheckAll.Checked)
2c5)pIVEy {
H`T}k+e2-N foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
F>5)Clq {
gE6{R+sp chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
G\*`%B_ n chkExport.Checked = true;
=n MAw&` }
'Y>@t6E4 }
q}J Eesf else
sQT<I]e {
Ewo6Q){X foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
v0+$d\mP4< {
2%j"E{J& chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
m>'#664q1 chkExport.Checked = false;
kT&GsR/ }
<J!?eH9f }
MNKY J }
\0^Je>-:U s%)>O{{) 17.数字格式化
}yM!o`90 X1%_a.=VF 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
^+9i~PjL <%#Container.DataItem("price","{0:¥#,##0.00}")%>
`AhTER D;X/7 p|> int i=123456;
c nV2}U/\ string s=i.ToString("###,###.00");
:"Kr-Hm` Br"K{g? 18.日期格式化
qLm
g18 !Bb^M3iA 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Ba;tEF{X 5<|X++y}8) 显示为: 2004-8-11 19:44:28
`qj24ehc ~01Fp;L/ 我只想要:2004-8-11 】
((]Sy,rdk <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
')j@OO3 5x'
^.$K > 应该如何改?
{8J+Y} !o8(9F 【格式化日期】
6zW3!_tz Blv@u ? 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
s;YuB#Z -Deqlaf( 【日期的验证表达式】
q! }O+(kt Z=>#|pW,) A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
xtRHb''FX ^((\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})))?$
,c[f/sT\ bJ9K!6s??` B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
O\)rp!i ^\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]))$
_.3O(? p, @#&y 【大小写转换】
!Ytr4DtM
HttpUtility.HtmlEncode(string);
DbvKpM H HttpUtility.HtmlDecode(string)
>^%TY^7n x)^t5"F 19.如何设定全局变量
^Euqy,8}
.'^Pg Global.asax中
;Fm7!@u^0 Ra^GbT|Z Application_Start()事件中
63y&M