1. 打开新的窗口并传送参数:
avNLV sBjXE>_#) 传送参数:
0X"\ a'M_ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
uw_?O[ZA[ %KV2<t? 接收参数:
#x)}29%e# string a = Request.QueryString("id");
"'{OIP string b = Request.QueryString("id1");
$h[Yz l j$PI,` 2.为按钮添加对话框
$WaZ_kt Button1.Attributes.Add("onclick","return confirm(’确认?’)");
/tC9G@Hl button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
zO.6WJ Rc9<^g` 3.删除表格选定记录
a@W7<9fY; int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
OlGR<X string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
r%-n*_?.s @PXXt# 4.删除表格记录警告
y^s1t2]%
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
n2'|.y}Um: {
)Vk:YL++ switch(e.Item.ItemType)
qi\n] I {
%zljH"F case ListItemType.Item :
n7iE8SK|k case ListItemType.AlternatingItem :
U$J5r+> case ListItemType.EditItem:
I' A:J TableCell myTableCell;
eP |)SU myTableCell = e.Item.Cells[14];
d]7*mzw^j LinkButton myDeleteButton ;
>d%VDjk . myDeleteButton = (LinkButton)myTableCell.Controls[0];
Gpu_=9vzv myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
l%PnB
)F break;
%$9:e
J? default:
o;;,iHu* break;
(,tHL }
VkXn8J ~CFMIQ et }
p7 [(z
(j N]OE^ 5.点击表格行链接另一页
e^frVEV private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[=~!w_ {
cjY@Ot*i$ //点击表格打开
4A o{M if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;1E_o e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
9[{sEg=C$e }
O5MDGg B9W/bJ6% 双击表格连接到另一页
"::9aYd! -tP.S1D 在itemDataBind事件中
|[WL2< if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ZR
mPP {
?!m ma\W string OrderItemID =e.item.cells[1].Text;
/Sj_y*x1e ...
2IzfP;V? e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
$jcz?vH }
MBO,\t. ;tr)=)q& 双击表格打开新一页
Rp4FXR jC if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
gV`S% {
<G9<"{ string OrderItemID =e.item.cells[1].Text;
m3"c (L`B ...
dqz1xQ1 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
E{oB2;P }
swt\Ru6, 8bGD ★特别注意:【?id=】 处不能为 【?id =】
k+txb? 6.表格超连接列传递参数
*-7fa0< <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
E7LbSZ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
hg&u0AQ2 hXnw..0" 7.表格点击改变颜色
@>Ek '~m if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_UIgRkl. {
>3$uu+p1F e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
!Sfe{/$w this.style.color=’buttontext’;this.style.cursor=’default’;");
&<t79d%{ }
J~'~[,K S5/p=H: 写在DataGrid的_ItemDataBound里
1:5P%$?b if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
)u
Qvt- {
0STk)>3$- e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
c}'Xoc this.style.color=’buttontext’;this.style.cursor=’default’;");
8xgc[# e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
!xH,y }
|i s 9 Crg#6k1~EN L:^Y@[f 8.关于日期格式
x3_,nl 8_Jj+ 日期格式设定
9Q=>MOB- DataFormatString="{0:yyyy-MM-dd}"
^T+<!k 1sMV`qv> 我觉得应该在itembound事件中
x' ?.~ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
]%||KC!O \`&xprqAw 9.获取错误信息并到指定页面
%cd]xQpCp i
_8zjj7 不要使用Response.Redirect,而应该使用Server.Transfer
_rG-#BKW8L 3U>S]#5} e.g
$Uy#/MX // in global.asax
H!#5!m& protected void Application_Error(Object sender, EventArgs e) {
sB8p(
L if (Server.GetLastError() is HttpUnhandledException)
%'kX"}N/ Server.Transfer("MyErrorPage.aspx");
epYj+T +O,V6XRr //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
yq!CWXZ2 }
~6MMErSj #yX^?+Rc 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
do*Wx2:R $Q#?`j 10.清空Cookie
37~rm Cookie.Expires=[DateTime];
^Jn|*?+l Response.Cookies("UserName").Expires = 0
<G&WYk%u* ~V!EtZG$ 11.自定义异常处理
%{Xm5#m //自定义异常处理类
Le_CIk 5YL using System;
65uZLsQ using System.Diagnostics;
-z&9DWH EJv! tyJ\[ namespace MyAppException
;+r0
O0;9 {
rrbZ+*U /// <summary>
s~/57S /// 从系统异常类ApplicationException继承的应用程序异常处理类。
rdFs?hO /// 自动将异常内容记录到Windows NT/2000的应用程序日志
pDP33`OFh /// </summary>
<%he
o public class AppException:System.ApplicationException
XpOCQyFnM {
~;TV74~rr public AppException()
E8+8{
#f; {
i4 P$wlO if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
= SA
4\/ }
RLv&,$$0 rnJS[o0 public AppException(string message)
7%W!k zp> {
zkH<aLRB LogEvent(message);
EWSr@}2j
. }
{6ajsy5= 9'D8[p% public AppException(string message,Exception innerException)
KX]-ll {
R,uJK)m LogEvent(message);
Wn b)*pPP if (innerException != null)
<JG Yr 4V {
{E3;r7 LogEvent(innerException.Message);
}`#j;H$i }
='KPT1dW* }
bn5"dxV 9tW3!O^_ //日志记录类
4GEjW4E using System;
jBT*~DyN
z using System.Configuration;
o@Dk%LxP using System.Diagnostics;
wHq('+{=&
using System.IO;
r#ks>s using System.Text;
#d3[uF]OmW using System.Threading;
AX/=}G &mCs%l namespace MyEventLog
(
?atGFgu {
h\Z3y AYd /// <summary>
c>M_?::)0 /// 事件日志记录类,提供事件日志记录支持
4mki&\lw` /// <remarks>
>6n@\n /// 定义了4个日志记录方法 (error, warning, info, trace)
BASO$?jf4 /// </remarks>
N)`tI0/W /// </summary>
^Z#<tN; public class ApplicationLog
]%b0[7[ {
?U7&R%Lh` /// <summary>
FuIWiO( /// 将错误信息记录到Win2000/NT事件日志中
Z#H@BWN7 /// <param name="message">需要记录的文本信息</param>
,q{lYX83S /// </summary>
T[`QO`\5O public static void WriteError(String message)
'&rw=.cU {
{9y9Kr|(P: WriteLog(TraceLevel.Error, message);
NHst7$Y< }
>?H_A F[Qs v54 /// <summary>
C6Um6X9/i /// 将警告信息记录到Win2000/NT事件日志中
ZS07_6.~ /// <param name="message">需要记录的文本信息</param>
@`#OC# /// </summary>
P1M|f4* public static void WriteWarning(String message)
+:j4G^ V {
GA({r i WriteLog(TraceLevel.Warning, message);
0b!fWS?,k0 }
\Qe'?LRu{ ={e#lC /// <summary>
$u/8Rp /// 将提示信息记录到Win2000/NT事件日志中
W+fkWq7`Xx /// <param name="message">需要记录的文本信息</param>
QSlf=VK*y /// </summary>
K*hf(w9="% public static void WriteInfo(String message)
"a 2H8x {
_p3WE9T WriteLog(TraceLevel.Info, message);
vq@#Be?@
}
% t,1_c0w /// <summary>
%a%+!wX0x /// 将跟踪信息记录到Win2000/NT事件日志中
DR#3njjEC /// <param name="message">需要记录的文本信息</param>
P2<gHJ9t /// </summary>
?etj.\q6 public static void WriteTrace(String message)
)AZ`R8-A {
+9&ulr WriteLog(TraceLevel.Verbose, message);
2}W6{T' }
0O@[on;Bd CJ37:w{%*Y /// <summary>
n=<q3}1Jej /// 格式化记录到事件日志的文本信息格式
,58kjTM /// <param name="ex">需要格式化的异常对象</param>
'dd<<E /// <param name="catchInfo">异常信息标题字符串.</param>
oW` *FD /// <retvalue>
B)LXxdkOn /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
#RsIxpc /// </retvalue>
PDa06(t7 /// </summary>
^^W`Lh%9 public static String FormatException(Exception ex, String catchInfo)
dW] Ej"W {
!YuON6{) StringBuilder strBuilder = new StringBuilder();
qX}dbuDE"P if (catchInfo != String.Empty)
*;~{_Disz {
k;9#4^4( strBuilder.Append(catchInfo).Append("\r\n");
^+.e5roBKj }
IWSEssP strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
av$\@4I return strBuilder.ToString();
#dXZA>b9 }
@=^jpSnZ vCrWA-q# /// <summary>
vM$#m1L? /// 实际事件日志写入方法
LQuYCfj| /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
o>!~*b';g, /// <param name="messageText">要记录的文本.</param>
9 ;! uV>-H /// </summary>
pD)/-Dgdm private static void WriteLog(TraceLevel level, String messageText)
W"DxIy {
s`dkEaS try
w^vK7Z
1$ {
8I|1Pl EventLogEntryType LogEntryType;
*8(t y%5F0 switch (level)
a-o
hS=W {
P7^TRrMF case TraceLevel.Error:
iz$v8;w LogEntryType = EventLogEntryType.Error;
`^@g2c+d break;
6 I>xd case TraceLevel.Warning:
G=0}IPfp LogEntryType = EventLogEntryType.Warning;
nY.Umj break;
YV>VA<c case TraceLevel.Info:
ce-m)o/ LogEntryType = EventLogEntryType.Information;
!3gpiQH{ break;
iKCTYXN1( case TraceLevel.Verbose:
.,(uoK{ LogEntryType = EventLogEntryType.SuccessAudit;
c"_H%x<[ break;
+RKE|*y default:
o
Q!g!xz LogEntryType = EventLogEntryType.SuccessAudit;
uc{Qhw!;: break;
R&d_WB4w }
}@t'rK[ N
NXwT0t EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
pu
m9x)y1 //写入事件日志
s`{#[&[ eventLog.WriteEntry(messageText, LogEntryType);
+BTNm66Z CuGOjQ-k~ }
5>^ W}0s catch {} //忽略任何异常
jmwQc& }
.>\>F{#~ } //class ApplicationLog
67hPQ/S1 }
T3PaG\5B /m|&nl8"qe 12.Panel 横向滚动,纵向自动扩展
q=L*
99S <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
\q)1TTnHS znDtM1sLeV 13.回车转换成Tab
8aIq#v <script language="javascript" for="document" event="onkeydown">
,1.([%z+r if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
L@x8hUG" event.keyCode=9;
js$a^6 </script>
&B>uPZ] u{dN>}{ onkeydown="if(event.keyCode==13) event.keyCode=9"
R,b O{2O pOe` *2[ 14.DataGrid超级连接列
Eo3Aak o DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
D-\'P31 "YJ;-$rb 15.DataGrid行随鼠标变色
(2a"W` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
bm]dz;ljh {
`E1_S if (e.Item.ItemType!=ListItemType.Header)
"Z1&z- {
>ehWjL`8 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
I}CA-8 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
0jx~_zq-j }
():?FJM }
5In8VE
!P GzE3B';g 16.模板列
%l$&_xV- <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
(YWc%f4 <ITEMTEMPLATE>
X
+ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Wy-quq03"& </ITEMTEMPLATE>
Bjrv;)XH </ASP:TEMPLATECOLUMN>
lPSDY&`P oVZ8p- <ASP:TEMPLATECOLUMN headertext="选中">
@nW(KF <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
$oBZe>s. <ITEMTEMPLATE>
as47eZ0\ <ASP:CHECKBOX id="chkExport" runat="server" />
#K~j9DuR </ITEMTEMPLATE>
1ROgUJ; <EDITITEMTEMPLATE>
1VM5W!} <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
NCh(-E </EDITITEMTEMPLATE>
ur quVb </ASP:TEMPLATECOLUMN>
&+|4(d1 5WNRo[`7 后台代码
}\qdow- protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
g|*eN{g]uE {
oL/^[TXjH //改变列的选定,实现全选或全不选。
.mU.eLM CheckBox chkExport ;
NGeeD?2~ if( CheckAll.Checked)
r H_:7#.E {
uEO2,1+ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
8t
35j {
GP
kCgb( chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
h[)aRo chkExport.Checked = true;
4 ~|TKd{ }
?F), 4Q }
L5P}%1 _ else
w0`L)f5v {
Pw0 KQUs foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
h+d;`7Z> {
g.sV$.T2K chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
uz2s- , chkExport.Checked = false;
T1]X }
CoN/L`.SN }
z7}zf@Y-qv }
>Ezwl5b Rm1` D 17.数字格式化
CO+jB .7^-*HT} 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
r4>I?lD <%#Container.DataItem("price","{0:¥#,##0.00}")%>
93eqFCF. 8 =Lv7G% int i=123456;
40sLZa)e string s=i.ToString("###,###.00");
P+|8MT0 3jVm[c5%] 18.日期格式化
NjyIwo0 <;Z3
5{ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
%>U*A hCoLj6Vx 显示为: 2004-8-11 19:44:28
M HB]' qxr&_r 我只想要:2004-8-11 】
`ha:Gf <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
,5"]K'Vce ti2_kYq 应该如何改?
JX<W[P>M n^)9QQ 【格式化日期】
.v&h>@'m *w,gi.Y3 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
,DOmh<b |6Z MxY 【日期的验证表达式】
? UDvFQ& >RnMzH/9 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
F|K4zhK ^((\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})))?$
A)\DPLAG 0qUap*fvC B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
1}M.}G2u/ ^\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]))$
m
=F@CA~C =eLb"7C#0 【大小写转换】
OYy !4Fp HttpUtility.HtmlEncode(string);
'U0I.x( HttpUtility.HtmlDecode(string)
3pH`]m2 A:J{ 19.如何设定全局变量
Xkm2C) -d)n0)9 Global.asax中
!QspmCo+ dkp[?f)x Application_Start()事件中
-{%''(G tP{$}cEY 添加Application[属性名] = xxx;
/~5YTe(F Y"%o\DS* 就是你的全局变量
\ \}/2#1=c `\0a5UFR 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
K! j*:{ qE:DJy< HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
a$O]'}]` "A+F&C> 【ASPNETMENU】点击菜单项弹出新窗口
Y@Y(;C"SW ;O11)u?/s| 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
u.FDe2|[) <?xml version="1.0" encoding="GB2312"?>
_?c.3+;s <MenuData ImagesBaseURL="images/">
r2'rfpQ <MenuGroup>
n"Vd"}sU. <MenuItem Label="内参信息" URL="Infomation.aspx" >
T$;XJx <MenuGroup ID="BBC">
Q0_W<+` <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
c/U6K
yiK <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
=1[g`b ......
VrxH6 Y BAHx7x#( 最好将你的aspnetmenu升级到1.2版
y]9UFL" c`; LF'! 21.读取DataGrid控件TextBox值
nHrCSfK foreach(DataGrid dgi in yourDataGrid.Items)
~]M" {
:L0W"$ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
-=IM8Dny tb.Text....
)&<ExJQ& }
@NE#P&f H\bIO!vb 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
.&