1. 打开新的窗口并传送参数:
M\4pTcz{ qPle=6U[IL 传送参数:
MR$R# response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
G i1Jl" >TZ 'V, 接收参数:
5]_m\ zn= string a = Request.QueryString("id");
@ol}~&" string b = Request.QueryString("id1");
S0-f_,( (9g L 2.为按钮添加对话框
P`ZzrN Button1.Attributes.Add("onclick","return confirm(’确认?’)");
}J=>nL'B button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
k:1p:&*m aMaICM 3.删除表格选定记录
KZ8Hp=s int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
SP}!v5. string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
']Q4SB"q SZVNu*G!H 4.删除表格记录警告
yjcZTvjJ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
wm1`<r^M. {
b$7p`Ay switch(e.Item.ItemType)
Bi}uL)~rD {
M8_f{|!& case ListItemType.Item :
\gz(C`4{j case ListItemType.AlternatingItem :
..FEyf case ListItemType.EditItem:
9i9'Rd`g TableCell myTableCell;
S*"uXTS myTableCell = e.Item.Cells[14];
uJxT)m!/ LinkButton myDeleteButton ;
].AAHu5 myDeleteButton = (LinkButton)myTableCell.Controls[0];
<Wd#HKIG>l myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
h2k"iO} break;
}57s default:
ZLP)i;Az break;
c5 ^CWk K }
FM{^ND9x Ez()W,6]g }
]iI2 %5g(|Y] 5.点击表格行链接另一页
S10"yhn(-t private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=&%}p[
3g {
V47z;oMXct //点击表格打开
TH[xSg if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%XF>k) e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
B/Jz$D }
h7r*5E }4Q~<2 双击表格连接到另一页
3?%?J^/a ]1Wh3C 在itemDataBind事件中
<8J_[
S if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
CjRU3
(Q {
y$Nqw9 string OrderItemID =e.item.cells[1].Text;
(5rfeSA^ ...
MUQj7.rNa e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
+ *xi&|% }
=1MVF e]9Z]a2 双击表格打开新一页
P/!W']OO if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\ 8v^ hb {
$U/|+*
string OrderItemID =e.item.cells[1].Text;
3Q0g4#eP ...
\\R$C e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
p<Oz"6_/~ }
ax)>rP,V Q9G\T:^ury ★特别注意:【?id=】 处不能为 【?id =】
=Ch^;Wyt 6.表格超连接列传递参数
|Eyn0\OA <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
#fGI#]SG? <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
{s7
3(B" =)c^ik%F& 7.表格点击改变颜色
#Sc9&DfX if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
FF5|qCV/z {
-P6Z[V% e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
`1`Qu! this.style.color=’buttontext’;this.style.cursor=’default’;");
1m~-q4D)V }
<q`'[1Y4 .&i_~?1[N 写在DataGrid的_ItemDataBound里
%&iodo,EP' if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
S+ 3lX7 {
u7/]Go44 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
:pH3M[7 this.style.color=’buttontext’;this.style.cursor=’default’;");
]t"X~ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
%lK/2- }
f1$'av <9 dfbI) YB}m1g` 8.关于日期格式
yM2}JsC ;Yve m 日期格式设定
\\ZCi`O DataFormatString="{0:yyyy-MM-dd}"
]N;\AXZ7 ?/}N 我觉得应该在itembound事件中
I7
= 4%)A e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
/lS5B6NU =91wC 9.获取错误信息并到指定页面
: Tcvj5 e>T;'7HSS" 不要使用Response.Redirect,而应该使用Server.Transfer
kBeYl+*pk Y@y"bjK \ e.g
Di"Tv<RlQ // in global.asax
koa-sy )#L protected void Application_Error(Object sender, EventArgs e) {
yz<$?Gblz if (Server.GetLastError() is HttpUnhandledException)
=5;tB Server.Transfer("MyErrorPage.aspx");
=E
w<s5C@ <MyT ; //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
B,fVNpqo }
5Q/jI$^h0Z GIvl| Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
KvH t`
-pHUC't 10.清空Cookie
3}}8ukq Cookie.Expires=[DateTime];
6_L<&RmLg Response.Cookies("UserName").Expires = 0
^WkqRs nB;[;dCz 11.自定义异常处理
&+]-e;[ //自定义异常处理类
9e*o$)j_ using System;
m-2!r*(zt using System.Diagnostics;
Itz[%Dbiq9 YuUJgt .1 namespace MyAppException
wEF"'T {
z"c,TlVN3 /// <summary>
4YSVy2x /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Lz&FywF-l /// 自动将异常内容记录到Windows NT/2000的应用程序日志
D>-srzw /// </summary>
7<ZGNxZ~ public class AppException:System.ApplicationException
gHtflS {
f hjlt# public AppException()
H+
7HD|GE {
tIT/HG_o if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Urz9S3#\ }
< V*/1{ Y?6}r;< public AppException(string message)
^;sE)L6 {
bA1O]:` LogEvent(message);
>a;LBQ0 }
)Ut K9;@" I|l5e2j public AppException(string message,Exception innerException)
9vP#/ -g {
'=`af>Nc LogEvent(message);
-(},%!-_ if (innerException != null)
}9V0Cu1 {
^WrL
LogEvent(innerException.Message);
P(.XB` }
;@*<M\O }
{%\@Z-9%q, *nK4XgD //日志记录类
lA`qB1x using System;
d`,z4_ using System.Configuration;
l{gR6U{e using System.Diagnostics;
Kk,u{EA using System.IO;
R=3|(R+kA using System.Text;
+Ks 3 using System.Threading;
"rrw~ vm7ag 7@O namespace MyEventLog
;Y,zlq2 {
'h@&rr@5 /// <summary>
oE_*hp+ /// 事件日志记录类,提供事件日志记录支持
v
8EI /// <remarks>
Nt;1&dwUb /// 定义了4个日志记录方法 (error, warning, info, trace)
(f2r4Io|} /// </remarks>
_F(Np\%_ /// </summary>
^E_chx-e} public class ApplicationLog
gCF9XKW {
T[I7.8g /// <summary>
dOK]Su /// 将错误信息记录到Win2000/NT事件日志中
)5`~WzA /// <param name="message">需要记录的文本信息</param>
4M!wm]n/%5 /// </summary>
uzI-1@` public static void WriteError(String message)
XgyLlp;,O {
*+k
yuY J WriteLog(TraceLevel.Error, message);
l_4^TYF }
?,]eN&` jrxq558 /// <summary>
wA"d?x /// 将警告信息记录到Win2000/NT事件日志中
v$xurj:v#i /// <param name="message">需要记录的文本信息</param>
>X*G6p /// </summary>
505ejO| public static void WriteWarning(String message)
Yhz Dw8f {
cE>m/^SKr WriteLog(TraceLevel.Warning, message);
d+vAm3.Dg }
xSm~V3bc s)?GscPG! /// <summary>
/6F\]JwU /// 将提示信息记录到Win2000/NT事件日志中
\=P(?!v /// <param name="message">需要记录的文本信息</param>
V(XZ7<& { /// </summary>
^G 'n
z public static void WriteInfo(String message)
]0O3kiVQ {
Q{5.;{/eC WriteLog(TraceLevel.Info, message);
~Q#!oh'i }
H )>3c1 /// <summary>
#?`S+YN!q) /// 将跟踪信息记录到Win2000/NT事件日志中
_#Lq~02 % /// <param name="message">需要记录的文本信息</param>
]t~'wL#Z /// </summary>
N]14~r= public static void WriteTrace(String message)
,c0t#KgQ. {
E3(o}O WriteLog(TraceLevel.Verbose, message);
Vc6
>i|"-O }
+*Fe ?p/}eRgi /// <summary>
EM@EB<pRX /// 格式化记录到事件日志的文本信息格式
H!6+x*P0 /// <param name="ex">需要格式化的异常对象</param>
ll[&O4.F /// <param name="catchInfo">异常信息标题字符串.</param>
cq 5^7. /// <retvalue>
yJ`{\7Uqg /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
$=ESY>MO /// </retvalue>
^O=G%de /// </summary>
7SN61)[m public static String FormatException(Exception ex, String catchInfo)
acar-11_o/ {
Sb?Ua*(L: StringBuilder strBuilder = new StringBuilder();
K'/if5>Bc if (catchInfo != String.Empty)
+J~%z*A {
GIT"J}b} strBuilder.Append(catchInfo).Append("\r\n");
HO_(it \ }
%"=GQ 3u[ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
o~W,VhCP return strBuilder.ToString();
GY %$7 }
;q5|If H |7XfM /// <summary>
*_d N9 /// 实际事件日志写入方法
*wsZ aQ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
4<vi@,s /// <param name="messageText">要记录的文本.</param>
I(WIT=Wi< /// </summary>
Y@<jvH1 private static void WriteLog(TraceLevel level, String messageText)
$RB
p!7 {
@nMVs6 try
2s>BNWTU {
^7*7^< EventLogEntryType LogEntryType;
MslgQmlM switch (level)
Q, "8Ty {
I}f7|hYX case TraceLevel.Error:
f& \Bs8la LogEntryType = EventLogEntryType.Error;
lFduX D break;
m`n~-_ case TraceLevel.Warning:
r&Qa;-4Pl LogEntryType = EventLogEntryType.Warning;
Q&+)Kp]A break;
?RIf0;G case TraceLevel.Info:
h@'CmIZc LogEntryType = EventLogEntryType.Information;
:>o0zG[;f break;
7
, _b case TraceLevel.Verbose:
Ryygq,>VD. LogEntryType = EventLogEntryType.SuccessAudit;
)FmIL(vu break;
@H3x51PT(m default:
49<t2^1q LogEntryType = EventLogEntryType.SuccessAudit;
)y Zr] break;
6|{&7=1t }
i~AReJxt7 Gg]Jp:GF EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
%rgW}Z5 //写入事件日志
nz'6^D7`r eventLog.WriteEntry(messageText, LogEntryType);
G<$8g-O;D D%LYQ
}
,!LY:pMK catch {} //忽略任何异常
Mu-kvgO`L }
Owgy<@C } //class ApplicationLog
C(h Td% }
Yh;(puhyA c53:E'g 12.Panel 横向滚动,纵向自动扩展
aG]^8`~>' <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
}%jpqip 1X`,7B@pz 13.回车转换成Tab
bq8Wvlv04 <script language="javascript" for="document" event="onkeydown">
>M!LC if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Jw&Fox7p event.keyCode=9;
Ziub%C[oV </script>
bBXLW}W C@Go]*c onkeydown="if(event.keyCode==13) event.keyCode=9"
O9o ]4;
UBj&T^j 14.DataGrid超级连接列
#d*gWwnx" DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
vceD/ N8 b62B|0i 15.DataGrid行随鼠标变色
Ctn?O~u private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
~Hv>^u
Mh {
J .TK<! if (e.Item.ItemType!=ListItemType.Header)
(i1x< {
WHOX<YJs e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Iz-mUD0; e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Q<g>WNb }
='=4tj=z }
'1xhP}'3) I{WP:]"Yf 16.模板列
bd-iog( <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
l?rLadvc <ITEMTEMPLATE>
|5:2?S2R <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
o1?-+P/ </ITEMTEMPLATE>
}p)Hw2 </ASP:TEMPLATECOLUMN>
>SLmlK Xdl
dUK[ <ASP:TEMPLATECOLUMN headertext="选中">
6>;OVX <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
;hV|W{=w <ITEMTEMPLATE>
Lccy~2v> <ASP:CHECKBOX id="chkExport" runat="server" />
*RVCz|0%w </ITEMTEMPLATE>
j;V\~[I^u <EDITITEMTEMPLATE>
sLJ]N0t <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
/V`SJ" </EDITITEMTEMPLATE>
`-{? ! </ASP:TEMPLATECOLUMN>
:dRC$?f4 `Mbs6AJ 后台代码
WiB~sIp protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
d!}oS<6 {
6OAEAIh //改变列的选定,实现全选或全不选。
B:0oT CheckBox chkExport ;
aPK:k$. if( CheckAll.Checked)
{^(uoB C/ {
j (Q#NFT7 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
OI"g-+~ {
H_t0$x(\ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
,Wu$@jD/] chkExport.Checked = true;
qsXkm4 }
<_Z.fdUA }
}Y BuS3{ else
-sZ'<(3 {
p~=z)7%e' foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
ov H'_' {
:@"o.8p chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Hm!"% chkExport.Checked = false;
Q_!tn* }
2#3`[+g<n }
<H-kR\HF }
MMC$c=4" QA;,/iw ` 17.数字格式化
S5, u| H ebNRZJ?C, 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
`w`N5 ! <%#Container.DataItem("price","{0:¥#,##0.00}")%>
<nG}]Smd7 DR3om;Uk int i=123456;
"v`q%(TA string s=i.ToString("###,###.00");
U<=d@knH w+)wrJTtm 18.日期格式化
zTfjuI|R 0zT-]0 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Q&w_kz. &~/g[\Y 显示为: 2004-8-11 19:44:28
He5y;5 LklE,W 我只想要:2004-8-11 】
]v),[]Xs <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
+/eJ#Xw3u8 Y3FFi M[s~ 应该如何改?
l;A '^ \v\ONp" 【格式化日期】
);TB(PQsBT <ta{)}IN^ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
R@5eHP^ hCF_pt+ 【日期的验证表达式】
F%&lM[N% s-'~t#h A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
EA1&D^nT ^((\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})))?$
ss }-YnG 4g2`[< S B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Rx"+i0 ^\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]))$
$6J22m!S4n lxgfi@@+h 【大小写转换】
~MC5rOA HttpUtility.HtmlEncode(string);
59SL
mj HttpUtility.HtmlDecode(string)
Bhx.q,X mLkp*?sfC 19.如何设定全局变量
'jE/Tre^ vO~w~u5 Global.asax中
RrCG(Bh X"`[&