1. 打开新的窗口并传送参数:
h]P/KVqR. =xBT>h; 传送参数:
k2OM="Ei} response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
y#bK,} MOyT< $ 接收参数:
hrT%XJl string a = Request.QueryString("id");
[` 'd#pR string b = Request.QueryString("id1");
]-KV0H @,YlmX} 2.为按钮添加对话框
fN0bIE
Y Button1.Attributes.Add("onclick","return confirm(’确认?’)");
H56
^n<tg button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
%uEtQh[ va>"#;37 3.删除表格选定记录
L *{QjH int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
OT+ Ee string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
i7f%^7! fqX~xp 4.删除表格记录警告
fM{1Os private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
A^cU$V%?W {
B<+pg switch(e.Item.ItemType)
bqjr0A7{ {
XSl!T/d case ListItemType.Item :
\kk!Dz*H case ListItemType.AlternatingItem :
q\U4n[Zk case ListItemType.EditItem:
{,F/KL^u TableCell myTableCell;
+',^((o myTableCell = e.Item.Cells[14];
<p)Z/ LinkButton myDeleteButton ;
lO_c/o$ myDeleteButton = (LinkButton)myTableCell.Controls[0];
:Q=z=`*2w myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
UnjNR[= break;
6s5b$x default:
,$BgR2^ break;
;24'f-Eri }
T\cR2ZT~ j Ii[ }
vu ?3$ QxA0I+i 5.点击表格行链接另一页
S" {GlRpd private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\2Xx%SX {
Y.9~Bo<<r //点击表格打开
!Z-9tYO if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
u/#&0_
P e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
;'hi9L }
Lb^(E- jjX%$Hr 双击表格连接到另一页
>"bnpYSe -+' #*V 在itemDataBind事件中
}
m6\C5 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+
lP5XY{ {
:Dt\:`(r' string OrderItemID =e.item.cells[1].Text;
RZe#|k+
8 ...
HrDTn&/ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
.
Jb?]n }
Cv P`2S\ O!yakU+ 双击表格打开新一页
r/^tzH's if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&:q[-K@! {
\.kTe<.:_ string OrderItemID =e.item.cells[1].Text;
9='=-;@/5 ...
p;F2z;# e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
AX8gij }
>"O1`xdG E;xMPK$ ★特别注意:【?id=】 处不能为 【?id =】
TMNfJz 6.表格超连接列传递参数
bSY;[{Kl <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
n'ehB%" <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
XL&hs+Y C#ZhsWS!b 7.表格点击改变颜色
Y=3X9%v9g if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ckAsGF_B~! {
&7fY_~ )B e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
T6,V this.style.color=’buttontext’;this.style.cursor=’default’;");
"NJ,0A }
9ptZVv=O a6k(9ZF 写在DataGrid的_ItemDataBound里
6EZ1YG} if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
yV8- {
q%DVDq( z e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Q5hb0O%a this.style.color=’buttontext’;this.style.cursor=’default’;");
xkF$D:sP e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
jzMhJ }
~c!Rx' ot]>}[
jT{f<P0 8.关于日期格式
Lr wINVa wInY7uBd! 日期格式设定
kpl~/i`4 DataFormatString="{0:yyyy-MM-dd}"
=?wMESU NoJUx['6 我觉得应该在itembound事件中
I Jqv w e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
6aRGG+H P$6W`^DZ 9.获取错误信息并到指定页面
]c5DOv& B'<!k7Ewy 不要使用Response.Redirect,而应该使用Server.Transfer
[k!-;mi ~."!l'a e.g
l_bL,-|E8 // in global.asax
]NbX`' protected void Application_Error(Object sender, EventArgs e) {
^=Q8]W_* if (Server.GetLastError() is HttpUnhandledException)
r>E\Cco Server.Transfer("MyErrorPage.aspx");
hx*HY%\P -QN1oK@\mE //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
BXNI(7xi }
FwXKRZa j p! Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
*1\z^4=a] 1V-=$Q3
V7 10.清空Cookie
W]Y@WKeT Cookie.Expires=[DateTime];
]cn/(U` Response.Cookies("UserName").Expires = 0
Fq vQk t8t}7XD
11.自定义异常处理
~5FS|[1L //自定义异常处理类
1NuR/DO using System;
fS5GICx8R using System.Diagnostics;
hyJ
ded&D W+8BQ-2 namespace MyAppException
N[0
xqQ {
T"n>h /// <summary>
TNyK@~#m /// 从系统异常类ApplicationException继承的应用程序异常处理类。
c!tvG*{ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
gTqeJWX9wP /// </summary>
N-XVRuv public class AppException:System.ApplicationException
".Lhte R? {
ay=KfY5 public AppException()
g Cg4;b6g {
i:V0fBR[> if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
kuWK/6l4 }
IRlN++I! NQDLI 1o public AppException(string message)
BPwI8\V {
f<g>dQlE LogEvent(message);
jK\V|5k }
?(fQ<i n >]:N?[Y_~} public AppException(string message,Exception innerException)
\Y51KB\ {
ls [Ls LogEvent(message);
yB0jL:|a if (innerException != null)
S9$o {
0q:(-z\S4 LogEvent(innerException.Message);
=''mpIg( }
nu#aa#ex> }
<P+G7!KZ& 0\?_lT2 //日志记录类
f@wsSm using System;
&sI,8X2a2 using System.Configuration;
,Adus M using System.Diagnostics;
]jHgo](% using System.IO;
,:v.L}+Z using System.Text;
X*TuQ\T using System.Threading;
L{cK^ , ^;0~6uBEJr namespace MyEventLog
H @_eFlT t {
4$0jz' /// <summary>
+L^A:}L( /// 事件日志记录类,提供事件日志记录支持
(iHf9*i CV /// <remarks>
AeNyZ[40T /// 定义了4个日志记录方法 (error, warning, info, trace)
v(qV\:s}m /// </remarks>
`V]egdO /// </summary>
jf$JaY public class ApplicationLog
bHhC56[M {
,"P5D&,_ /// <summary>
S1D9AcK /// 将错误信息记录到Win2000/NT事件日志中
% MfGVx}nG /// <param name="message">需要记录的文本信息</param>
ExNj|* /// </summary>
&eThH,w$2 public static void WriteError(String message)
hknwis%y {
fl} rz WriteLog(TraceLevel.Error, message);
skk-.9 }
6'RZ Z-N-9E /// <summary>
* \=2KIF' /// 将警告信息记录到Win2000/NT事件日志中
mtSNl|O&{ /// <param name="message">需要记录的文本信息</param>
s5c! ^,L8 /// </summary>
N,WI{* public static void WriteWarning(String message)
D< nlb- {
xB?S#5G} WriteLog(TraceLevel.Warning, message);
}u(d'9u }
#2_o[/&}x@ YWt"| /// <summary>
>$7wA9YhL /// 将提示信息记录到Win2000/NT事件日志中
-D!#W%y8 /// <param name="message">需要记录的文本信息</param>
J>HLQP /// </summary>
^/`#9]<% public static void WriteInfo(String message)
PphR4 sIM {
Eg@R[ ^T WriteLog(TraceLevel.Info, message);
=$"zqa.B6 }
|y{;|K /// <summary>
;whFaQi 4 /// 将跟踪信息记录到Win2000/NT事件日志中
#JJp:S~` /// <param name="message">需要记录的文本信息</param>
c[wQJc /// </summary>
OoAr% public static void WriteTrace(String message)
JVJ1Ay/be {
F<PWBs% WriteLog(TraceLevel.Verbose, message);
)'BJ4[aq\ }
Ee t+ MZUF! B
/// <summary>
dD/29b( /// 格式化记录到事件日志的文本信息格式
s,UN'~e1 /// <param name="ex">需要格式化的异常对象</param>
l|@/?GaH /// <param name="catchInfo">异常信息标题字符串.</param>
GibggOj2Q, /// <retvalue>
m[g< K /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
|QAeQWP+1 /// </retvalue>
,z?<7F1q= /// </summary>
2a._?(k_y public static String FormatException(Exception ex, String catchInfo)
jMz1s%C {
4i+PiD:H StringBuilder strBuilder = new StringBuilder();
% +kT if (catchInfo != String.Empty)
37:b D {
.LXh]I* strBuilder.Append(catchInfo).Append("\r\n");
L|]w3}ZT@ }
nLFx/5sL strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
A@@)lD. return strBuilder.ToString();
jV,(P$ 5; }
V e$5w}a4 "oE^R?m /// <summary>
D,}'E0 /// 实际事件日志写入方法
/%ODJ1 M /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
,6EZb[;g^ /// <param name="messageText">要记录的文本.</param>
^*cMry /// </summary>
lRF_ k private static void WriteLog(TraceLevel level, String messageText)
48 c
D3w {
H y.3ccZ0 try
%468s7Q[Mi {
#lBpln9 EventLogEntryType LogEntryType;
Y^c,mK^ switch (level)
X] JpS {
:|n>H+Y case TraceLevel.Error:
X%4uShM LogEntryType = EventLogEntryType.Error;
|
Q1ubS break;
p0[,$$pM case TraceLevel.Warning:
|"Xi%CQ2 LogEntryType = EventLogEntryType.Warning;
E]u'MX break;
.WL\:{G8; case TraceLevel.Info:
=BqaGXr LogEntryType = EventLogEntryType.Information;
5I8FD".i break;
[x$eF~Kp case TraceLevel.Verbose:
|g?/~%7 LogEntryType = EventLogEntryType.SuccessAudit;
O, ``\(P break;
Kh:#S|
default:
hSx+{4PZ LogEntryType = EventLogEntryType.SuccessAudit;
$+lz<~R break;
6yu*a_ }
lry&)G=5 D_yY0rRM EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
:kp //写入事件日志
UALg!M# eventLog.WriteEntry(messageText, LogEntryType);
x;ICV%g/ K+h9bI/Sf }
(2O} B.6 catch {} //忽略任何异常
yNLa3mW }
X>6~{3 } //class ApplicationLog
U<gUX07 }
z~}StCH( |L.~Amd 12.Panel 横向滚动,纵向自动扩展
9h3~;Q <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Cdt,//xrz 0'V- 13.回车转换成Tab
pE(<XD3Q <script language="javascript" for="document" event="onkeydown">
L6rs9su=7 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
{x&jh|f`g event.keyCode=9;
*&hXJJ[+ </script>
&-8-xw#. ~P]HG;$?n onkeydown="if(event.keyCode==13) event.keyCode=9"
qa0JQ_?o] r_g\_y7ua 14.DataGrid超级连接列
^7~SS2t! DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
6wpND|cT <PfPh~ 15.DataGrid行随鼠标变色
CYFas:rPLT private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
G3_mWppH {
YA;8uMqh; if (e.Item.ItemType!=ListItemType.Header)
XD+cs.{5 {
CQ8o9A/ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
U&w5&W{F} e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
j quSR= }
{M)3GsP? }
+}(B856+ $^NWzc 16.模板列
QN}3S0 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
SRG!G]?- <ITEMTEMPLATE>
!7ZfT?& <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
bW
86Iw </ITEMTEMPLATE>
Iu1Sj`A </ASP:TEMPLATECOLUMN>
0IPhVG~# t7!>5e)C} <ASP:TEMPLATECOLUMN headertext="选中">
t5jhpPVf <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
ZB^4 (F')H <ITEMTEMPLATE>
:E >n)_^ <ASP:CHECKBOX id="chkExport" runat="server" />
zW"3K </ITEMTEMPLATE>
MR)KLM0 <EDITITEMTEMPLATE>
*v:,rh <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
#nc@!+ </EDITITEMTEMPLATE>
&Xl_sDvt </ASP:TEMPLATECOLUMN>
z[lRb]:i[ ,],JI|Rl8c 后台代码
kXZV%mnT7 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
UB&S 2g {
rt@-Pw!B //改变列的选定,实现全选或全不选。
e\
l,gQP CheckBox chkExport ;
S)'q:`tZo if( CheckAll.Checked)
O 44IH`SI {
)(ZPSg$/F foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
zy/tQGTr@ {
|{/O)3 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
~g4rGz chkExport.Checked = true;
Q5Ghki }
"PX3%II }
XM@-Y&c$A else
.f92^lu9 {
}_kI> foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
/<?X-IDz.{ {
y8~)/)l& chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
2`FsG/o\T~ chkExport.Checked = false;
dT,m{[+ }
S~a:1
_Wl }
WH*=81)zp }
PM@s}( VrGb;L'[ 17.数字格式化
%`\3V
{2* SK c
T 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
PcSoG\-G< <%#Container.DataItem("price","{0:¥#,##0.00}")%>
dpGQ0EzH^ P!6 e int i=123456;
n"d) string s=i.ToString("###,###.00");
l#vw
L15 QRmQ> 18.日期格式化
dT@SO SE}RP3dF! 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
sO4}kxZ ! ?U^+)^$ 显示为: 2004-8-11 19:44:28
Mevyj;1t Pl5NHVr 我只想要:2004-8-11 】
Uo[5V|>X6 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
hq8/`u
YF zUUxxS_? 应该如何改?
_~S^#ut+ WPp\sIP 【格式化日期】
"MS`d+rf\ l6DIsR 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
xc]C#q $:gSc&mx 【日期的验证表达式】
FiU;>t<) ~
%YTJS A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
komxot[[
^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
>*i8RqU D)~nAkVq B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
HAUTCX ^\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]))$
-IsdU7} (zYSSf!I 【大小写转换】
K"6+X|yxE HttpUtility.HtmlEncode(string);
6!Ji>h.Ak HttpUtility.HtmlDecode(string)
_:=OHURc gK#fuQ$hH 19.如何设定全局变量
x<