1. 打开新的窗口并传送参数:
4wSZ'RTSR ow \EL 传送参数:
[@9S-$Xa response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
;J|t-$Z RK.lzVaY 接收参数:
4tm%F\Izy string a = Request.QueryString("id");
m+XHFU string b = Request.QueryString("id1");
4tkT\. -]^JaQw 2.为按钮添加对话框
B]tj0FB`-* Button1.Attributes.Add("onclick","return confirm(’确认?’)");
MtL<)?HQ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
KyrZ&E.` pG"wQ 3.删除表格选定记录
~TH4='4W3 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
XB!qPh. string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
b\JU%89 {xg=Ym) 4.删除表格记录警告
=l:V9u-I^ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
xwo*kFg {
}~W/NP_F switch(e.Item.ItemType)
2n3&uvf'TL {
5 <k)tF% case ListItemType.Item :
Evj%$7H1L1 case ListItemType.AlternatingItem :
iT&4;W=72~ case ListItemType.EditItem:
eW 4[2Q TableCell myTableCell;
Lx>[`QT myTableCell = e.Item.Cells[14];
;@S'8 LinkButton myDeleteButton ;
>N al\ myDeleteButton = (LinkButton)myTableCell.Controls[0];
c<Cf|W myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
FiMM-c| break;
4*Hzys[{ default:
}< '6FxR break;
"y~*1kBu }
gOnZ# ~8&->?{ }
w-JWMgY8w q`PA~C]; 5.点击表格行链接另一页
! $mY.uu private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7yu-xnt3s {
I)yaR+l //点击表格打开
WYF8?1dt + if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ftMlm_u e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
p#qla' }
7~J>Ga I(7GVYM 双击表格连接到另一页
{HY3E}YJL mfg>69,w 在itemDataBind事件中
5|0/$ SWd* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\mLEwNhRY {
nGWy4rY2S string OrderItemID =e.item.cells[1].Text;
oU,8?(}'~ ...
R\ 8[6H e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
L/Kb\\f }
.lj5pmD !X: TieyVu 双击表格打开新一页
h8O\sKn if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
VDOC> {
!pU^?Hy= string OrderItemID =e.item.cells[1].Text;
9=$pV== ...
ZDaHR-%Y e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
sg-^ oy*^ }
s%y<FXUj #Tzs9Bkaca ★特别注意:【?id=】 处不能为 【?id =】
M/Z$?nd_H 6.表格超连接列传递参数
@ NDcO,] <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
qbSI98rw <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
pHb,*C</ Z1
)1s 7.表格点击改变颜色
bBML +0a if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
CvRCcSJM\2 {
jFg19C{=X e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
5"40{3 this.style.color=’buttontext’;this.style.cursor=’default’;");
hd9~Zw]V }
a0]GQyIG O[$X36z 写在DataGrid的_ItemDataBound里
KM)MUPr if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0sSBwG {
J
V}7c$_ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
"LDNkw' this.style.color=’buttontext’;this.style.cursor=’default’;");
{?^ES*5 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
> .}G[C }
`K0.6i [p mpD.x5jm< k>MXOUaW. 8.关于日期格式
U~sC%Ri-@U rZ.=Lq 日期格式设定
8?m=Vw<kIZ DataFormatString="{0:yyyy-MM-dd}"
! 1?u0 'HfI~wN 我觉得应该在itembound事件中
lMW6D0^ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
'bZw-t!M@ SkipPEhA 9.获取错误信息并到指定页面
`_/1zL[ )40YA\V 不要使用Response.Redirect,而应该使用Server.Transfer
1$# r)S[* ;7E"@b,tPN e.g
VIGLl'8p // in global.asax
B
(h`~pb protected void Application_Error(Object sender, EventArgs e) {
:T6zT3(")D if (Server.GetLastError() is HttpUnhandledException)
Bk.`G)t Server.Transfer("MyErrorPage.aspx");
R.*
k7-(; K; hP0J //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
K4Nz I9@ }
j&.JAQ*2; =$~x] 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
+N B5Fd4 c\P}ZQ 10.清空Cookie
nf_(_O= Cookie.Expires=[DateTime];
ZFX}=?+ Response.Cookies("UserName").Expires = 0
|C+
5 "lA$;\& 11.自定义异常处理
R. ryy //自定义异常处理类
{az
LtTh using System;
@$QtY(a using System.Diagnostics;
ou|3%&*" c7?|Tipc namespace MyAppException
>i1wB!gc8 {
RC"xnnIJv /// <summary>
b1e)w?n /// 从系统异常类ApplicationException继承的应用程序异常处理类。
r 3T #Nv /// 自动将异常内容记录到Windows NT/2000的应用程序日志
;''S}; /// </summary>
u4=ulgi public class AppException:System.ApplicationException
0j#$Swa {
/oM&29 jy public AppException()
ER]C;DYX {
+x:VIi if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
MhFj>t
}
<C*%N;F5R |>I4(''} public AppException(string message)
9fSX=PVRmQ {
,n5 [Y) LogEvent(message);
K,HR=5 }
9Cb>J <l9qhqHv& public AppException(string message,Exception innerException)
IP1{gMG {
8=sMmpB 7u LogEvent(message);
V SH64 if (innerException != null)
s.}:!fBk {
c*>SZ'T\ LogEvent(innerException.Message);
a)L=+Z }
v".u#G'u }
2-wvL&pi) ;{>-K8=>$ //日志记录类
/0F
<GBQ"v using System;
e-{4qt using System.Configuration;
J&b&*3
using System.Diagnostics;
kmL~H1qd using System.IO;
oU~ e| using System.Text;
iuq%Q\0@w using System.Threading;
O~g0 R6M6e laFF/g;sRC namespace MyEventLog
F
a'2i< {
POUD*(DqNK /// <summary>
=:'a)o /// 事件日志记录类,提供事件日志记录支持
</d&bS /// <remarks>
!;C *Wsp} /// 定义了4个日志记录方法 (error, warning, info, trace)
aib)ItNb /// </remarks>
d `+cNKf /// </summary>
nR~L$Wu5_a public class ApplicationLog
]+0I8eerd {
xSHeP`P^X /// <summary>
80ms7 B /// 将错误信息记录到Win2000/NT事件日志中
#
OQ(oyT /// <param name="message">需要记录的文本信息</param>
u>-!5=D8 /// </summary>
]hkway public static void WriteError(String message)
[I` 6F6 {
;yH1vX WriteLog(TraceLevel.Error, message);
[P_1a`b }
r5?qz<WW~ (Sg52zv /// <summary>
mM7S9^<UH /// 将警告信息记录到Win2000/NT事件日志中
NLxsxomj /// <param name="message">需要记录的文本信息</param>
(yel /// </summary>
MoP0qNk public static void WriteWarning(String message)
rx#\Dc}
{
fOyLBixR WriteLog(TraceLevel.Warning, message);
Ge;plD-f }
az]S&\i7T 9f4#b8 /// <summary>
;0 VE* /// 将提示信息记录到Win2000/NT事件日志中
"8"7AoE /// <param name="message">需要记录的文本信息</param>
OC]_b36v /// </summary>
8BZDaiE" public static void WriteInfo(String message)
^4yFLqrC {
x+9aTsZ WriteLog(TraceLevel.Info, message);
AT U
2\Y }
s^$zOp9 /// <summary>
~l@SGHx /// 将跟踪信息记录到Win2000/NT事件日志中
g.N~81A /// <param name="message">需要记录的文本信息</param>
i=<N4Vx /// </summary>
@BN cIJk9 public static void WriteTrace(String message)
^8nK x<&5 {
J,E'F!{ WriteLog(TraceLevel.Verbose, message);
f&Bu_r }
)nS;]7pB@ )*iSN*T8q /// <summary>
9)QvJ87e@7 /// 格式化记录到事件日志的文本信息格式
V4!RUqK /// <param name="ex">需要格式化的异常对象</param>
h2Z Gh /// <param name="catchInfo">异常信息标题字符串.</param>
kN>AY'1 /// <retvalue>
a-,BBM 8| /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
wYS,|=y /// </retvalue>
16YJQ ue /// </summary>
lfKrd3KS_ public static String FormatException(Exception ex, String catchInfo)
_Ucj)Ud k {
Px}#{fkS StringBuilder strBuilder = new StringBuilder();
dQt*/]{q if (catchInfo != String.Empty)
9\i,3:Qc {
?/~7\ '|Z strBuilder.Append(catchInfo).Append("\r\n");
Tp`by
1s }
F[c;iM(^ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
h2u>CXD return strBuilder.ToString();
;#!`cgAh }
8+uwzBNZ: Ajhrsa\~a /// <summary>
R)#D{/#FW /// 实际事件日志写入方法
gRKmfJ*u /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
g R(*lXm5w /// <param name="messageText">要记录的文本.</param>
0%+T U4Xx /// </summary>
t.>vLzrU private static void WriteLog(TraceLevel level, String messageText)
Y=4 ,d4uu {
lBL;aTzo try
\sF}NBNT@ {
"S^;X
@#v EventLogEntryType LogEntryType;
'UT 4x9&z switch (level)
~-6Kl3Y {
~^IS{1 case TraceLevel.Error:
t@!X1?`w LogEntryType = EventLogEntryType.Error;
q0w5ADd break;
TjlKy case TraceLevel.Warning:
?4_^}B9 LogEntryType = EventLogEntryType.Warning;
^&DHBx"J break;
^C@uP9g case TraceLevel.Info:
`qSNS-> LogEntryType = EventLogEntryType.Information;
p(~>u'c break;
4fZ$&)0& case TraceLevel.Verbose:
j46fQ LogEntryType = EventLogEntryType.SuccessAudit;
}O@S;[v
S break;
M0 x5s@ default:
(ZjIwA9> LogEntryType = EventLogEntryType.SuccessAudit;
bUp%87<*X break;
&H,j
.~a&l }
7vcYI#(2
Y iH(
K[F / EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Z%XBuq:BY //写入事件日志
\y:
0+s/ eventLog.WriteEntry(messageText, LogEntryType);
X
c,UR. T2}I,{U }
$ah, $B catch {} //忽略任何异常
U{LDtn%@h6 }
<k5FlvE2 } //class ApplicationLog
*
C~ }
usR19 _E- :4<+)r26 12.Panel 横向滚动,纵向自动扩展
nV
McHN <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
vP3Fb;
~5`rv1$ 13.回车转换成Tab
Xe*@`&nv@ <script language="javascript" for="document" event="onkeydown">
Fx0K.Q2Y0 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
&EmxSYL> event.keyCode=9;
/pFg<
</script>
.ymR%X_k <jw`"L[D onkeydown="if(event.keyCode==13) event.keyCode=9"
?Hf^&yo X&^t 8 14.DataGrid超级连接列
*AGC[w}/ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
A,lcR:@w ePIBg( 15.DataGrid行随鼠标变色
Q2^}NQO= private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|vTirZP {
[G[HQ)A if (e.Item.ItemType!=ListItemType.Header)
s3_i5,y {
!;'U5[}8 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
0d`s(b54;O e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
d~S.PRg= }
z.]t_`KuF9 }
{^"c>'R '8i
np[_ 16.模板列
X LA <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
[ #A!B#` <ITEMTEMPLATE>
_9#4 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
*J8j_-i,R </ITEMTEMPLATE>
:8E(pq|1PB </ASP:TEMPLATECOLUMN>
rNfua
&{x5 |$SD <ASP:TEMPLATECOLUMN headertext="选中">
n9t8RcJS: <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
@w,-T@nAW <ITEMTEMPLATE>
'e7<&wm ia <ASP:CHECKBOX id="chkExport" runat="server" />
&UbNp8h </ITEMTEMPLATE>
HP. j. <EDITITEMTEMPLATE>
_
97F <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Z\(+awv </EDITITEMTEMPLATE>
m,Q<4' </ASP:TEMPLATECOLUMN>
7I^(vQ x?va26FV 后台代码
mZ7.#R*} protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
/]F3t]FlC {
WkXa%OZ //改变列的选定,实现全选或全不选。
6}n_r}kNR CheckBox chkExport ;
R\A5f\L9 if( CheckAll.Checked)
#XQEfa {
}4#%0x`w foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
KNQX\-= {
8g(%6 ET chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
|"5NI'X? chkExport.Checked = true;
BNQ~O^R0 }
Wl;F]_|*( }
"CT'^d+ else
<[ 8at6; {
`L]cJ0tAs foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#)GL%{Oa {
$;@^coz9U chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
F.c,F R2 chkExport.Checked = false;
\n6#D7OV }
xs.>+(@|; }
,wlFn }
9Fv1D zy 17.数字格式化
+]Po!bN@@ QyJ}zwD 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
iNe;h| <%#Container.DataItem("price","{0:¥#,##0.00}")%>
{tOu+zy kHo0I8
int i=123456;
rs]%`"&= string s=i.ToString("###,###.00");
,gUSW *_!nil 3(i 18.日期格式化
#i%it #:3ca] k 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Y]Vt&*{JV +Hc[5WL 显示为: 2004-8-11 19:44:28
{SY@7G] \v)Dy)Vhg2 我只想要:2004-8-11 】
b" 1a7 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Z[)t34EY" V\W?@V9g- 应该如何改?
?S~HnIn o:.={)rX 【格式化日期】
r?nvJHP IGV @tI 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
n!2"pRIi =kp#v 【日期的验证表达式】
47|Lk]+O |F=!0Id< A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
b^~ keQ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Oz'x5/%G E2 Q[ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
"9'~6b ^\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]))$
5z~rl}`v )e d5~ok 【大小写转换】
[<