1. 打开新的窗口并传送参数:
54F([w #bu`W!p} 传送参数:
@YwaOc_% response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
D~f.)kkC4 -I=}SZ 接收参数:
">fgoDQ string a = Request.QueryString("id");
XQ(`8Jl&^ string b = Request.QueryString("id1");
rvE!Q=y~ >^J!Z~;L) 2.为按钮添加对话框
oU~V0{7g Button1.Attributes.Add("onclick","return confirm(’确认?’)");
'%RMpyK~ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
`*oLEXYN n^Z?u9VR 3.删除表格选定记录
bT{P1nUu int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
!W$Br\< string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
62(WZX%b #UND'c(5 4.删除表格记录警告
<2cq 0*$ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
l}Xmm^@) {
?7&VT1 switch(e.Item.ItemType)
A v2 _A {
5RLK]= case ListItemType.Item :
5 (H; x74 case ListItemType.AlternatingItem :
0jq&i#yNB case ListItemType.EditItem:
1}jE?{V* TableCell myTableCell;
XVv7W5/q] myTableCell = e.Item.Cells[14];
/@#)j(
eY/ LinkButton myDeleteButton ;
]}v`#-Px( myDeleteButton = (LinkButton)myTableCell.Controls[0];
rW\~s TH myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
#-lk=> break;
Fah}#, default:
"\_}"0H break;
g<.8iW 'c }
tb=L+WAIw D[-Ct }
0_] aF8j 0)2lBfHQ& 5.点击表格行链接另一页
},Z-w_H private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
BK /;HG {
dfJ7Dhn //点击表格打开
Ej34^*m9k if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
O_iX1@SW e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Y#t"..mc' }
=kc{ Q@Dk t3s}U@(C 双击表格连接到另一页
b&_p"8)_ oNCDG|8z 在itemDataBind事件中
hXrvb[6 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
U_8I$v-~ {
}bnkTC string OrderItemID =e.item.cells[1].Text;
'\_)\`a| ...
fglZjT e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
T8m%_U#b }
50R+D0^mh [&`>&u@MK 双击表格打开新一页
=:0(&NCRq if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Ol-'2l {
fzio8mKVX string OrderItemID =e.item.cells[1].Text;
g1{wxBFE ...
9E#(i P e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
(@#Lk"B }
+es6c') ut,"[+J ★特别注意:【?id=】 处不能为 【?id =】
L%8"d6 6.表格超连接列传递参数
CKR9APkv <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
P<(mH=K <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
.z4FuG,R !*ucVv; 7.表格点击改变颜色
0ND7F if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
O0l;Qi {
v}mmY>M% e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
c]&VUWQ this.style.color=’buttontext’;this.style.cursor=’default’;");
W2B=%`sC }
pxC5a i f
0#V^[%Q 写在DataGrid的_ItemDataBound里
r 1a{Y8? if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
j,-7J*A~ {
F>Oh)VL,Ev e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
e/3hb)#; this.style.color=’buttontext’;this.style.cursor=’default’;");
$.cGRz e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
0`thND)?O }
_
o(h]G1]. #P@r[VZ{6 Dm^kuTIG 8.关于日期格式
f:0n-me ;5l|-&{@* 日期格式设定
[eN{Ft0x DataFormatString="{0:yyyy-MM-dd}"
6qDD_:F NNdS:( 我觉得应该在itembound事件中
)gLasR.1 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
qs b4@jt+ >dGYZfqD 9.获取错误信息并到指定页面
j%h
Y0
.0ZvCv:> 不要使用Response.Redirect,而应该使用Server.Transfer
=>J#_Pprn [P,nW/H e.g
]mh+4k?b // in global.asax
]>,|v,i
= protected void Application_Error(Object sender, EventArgs e) {
]z%9Q8q' if (Server.GetLastError() is HttpUnhandledException)
1mV0AE538 Server.Transfer("MyErrorPage.aspx");
6;*(6$; TExlGAHo+O //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
F{+`F<r }
b#U%aPH /km3L7L%R 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
*X-$*
~J0 "F}Ip&]hAG 10.清空Cookie
Oe!&Jma*> Cookie.Expires=[DateTime];
h:NXO' Response.Cookies("UserName").Expires = 0
!;a<E: i5" q1dRQ 11.自定义异常处理
iD`XD\.? //自定义异常处理类
mTgn}rXk using System;
@$R a using System.Diagnostics;
8gxLL59 q}i87a;m namespace MyAppException
y^rg%RV {
#*/h*GNMs /// <summary>
Z#O3s:` /// 从系统异常类ApplicationException继承的应用程序异常处理类。
hH/O2 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
g1|c?#fwo /// </summary>
UXJl;Mb public class AppException:System.ApplicationException
wp*1HnWj8Y {
( -@> public AppException()
6hq)yUvo4 {
;p ('cwU% if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
S@)bl }
XEEbmIO*<9 {@%(0d{n} public AppException(string message)
>cb
gL% {
WXU6J?tIm LogEvent(message);
L /> GYx }
bl<7[J. bg}77Y'^ public AppException(string message,Exception innerException)
*% *^a\2 {
R.T-Pt ene LogEvent(message);
$ZO<8|bW if (innerException != null)
vBx^zDe {
=;=V4nKN LogEvent(innerException.Message);
E}=NZqOB! }
O;BPd:< }
Gf\_WNrSE+ $O8V!R* //日志记录类
v!xrUyN~m using System;
~S!kn1&O using System.Configuration;
&:*+p-!2< using System.Diagnostics;
%#a%Luq using System.IO;
Hrnql using System.Text;
j.}V~Sp* using System.Threading;
Nk4_! UD`Z;F namespace MyEventLog
|/;5|
z {
fZfiiE~7J /// <summary>
5qEdN /// 事件日志记录类,提供事件日志记录支持
%U7f9 /// <remarks>
4/WCs$ /// 定义了4个日志记录方法 (error, warning, info, trace)
QB,ad /// </remarks>
2v1&%x:y# /// </summary>
-Wk"o?}q public class ApplicationLog
V2%wb\_z {
qEr[fC@x /// <summary>
[i1D~rCcn /// 将错误信息记录到Win2000/NT事件日志中
=_J<thp /// <param name="message">需要记录的文本信息</param>
j//wh1 /// </summary>
G\ZRNb public static void WriteError(String message)
:q<%wLs {
m4>oE|\ WriteLog(TraceLevel.Error, message);
h_yR$H&tX }
S(h*\we J)|K/W9 /// <summary>
Gx_e\fe-/ /// 将警告信息记录到Win2000/NT事件日志中
b.*4RL /// <param name="message">需要记录的文本信息</param>
@ -d4kg /// </summary>
wR4u}gb#q public static void WriteWarning(String message)
R} 9jgB {
2z# @:Q WriteLog(TraceLevel.Warning, message);
/exl9Ilt] }
M&c1iK\E8 kw ^ Sbxm /// <summary>
em!R9J. /// 将提示信息记录到Win2000/NT事件日志中
{WOfT6y+ /// <param name="message">需要记录的文本信息</param>
G5J ZB7C /// </summary>
%esZ}U public static void WriteInfo(String message)
(1j$*?iGA {
L"6/"L WriteLog(TraceLevel.Info, message);
"mDrJTWa }
t~K!["g /// <summary>
4(GgaQFO? /// 将跟踪信息记录到Win2000/NT事件日志中
WCT W#<izm /// <param name="message">需要记录的文本信息</param>
C*e[CP@u /// </summary>
g
'a? public static void WriteTrace(String message)
D@W3;T^ {
nvVsO>2{ o WriteLog(TraceLevel.Verbose, message);
3#9r4;& }
TbAdTmW XPo'iI- /// <summary>
igj@{FN /// 格式化记录到事件日志的文本信息格式
*"{Z?< 3 /// <param name="ex">需要格式化的异常对象</param>
\1C!,C /// <param name="catchInfo">异常信息标题字符串.</param>
bk9~63tN+> /// <retvalue>
.hNw1~Fj /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Rha3 /// </retvalue>
!&jgcw/E /// </summary>
jI<WzvhYG public static String FormatException(Exception ex, String catchInfo)
|0R%!v(, {
.x?zky^ StringBuilder strBuilder = new StringBuilder();
#n)W if (catchInfo != String.Empty)
T KL(97)< {
[mzF)/[_2 strBuilder.Append(catchInfo).Append("\r\n");
A""*vqA }
<L
( = strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
y"L`bl A9} return strBuilder.ToString();
O[p^lr(B7 }
0+y~RTAVB ,bp pM /// <summary>
0QH3,Ps1C /// 实际事件日志写入方法
MXJ9,U{<C' /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
P^m 6di /// <param name="messageText">要记录的文本.</param>
)r,R!8 /// </summary>
7+hF; private static void WriteLog(TraceLevel level, String messageText)
~w9=Fd6 {
MGKeD+=5 try
2$W,R/CLh {
8Pr7aT:, EventLogEntryType LogEntryType;
#L=
eK8^e switch (level)
[d~bZS|(T( {
jP.b oj_u* case TraceLevel.Error:
9`n)"r LogEntryType = EventLogEntryType.Error;
S@zkoj@ break;
{2gd4[: case TraceLevel.Warning:
-Dq:Y,%q LogEntryType = EventLogEntryType.Warning;
q;0&idYC break;
9f%y)[ \ case TraceLevel.Info:
O0(Q0Ko LogEntryType = EventLogEntryType.Information;
F@'rP++4 break;
{%~4RZA case TraceLevel.Verbose:
C
3XZD4.2 LogEntryType = EventLogEntryType.SuccessAudit;
#Q7x:,f break;
"~2#!bK7 default:
)Z]y.W ) LogEntryType = EventLogEntryType.SuccessAudit;
6?.pKFBZ break;
u#@{%kPW }
HGQ?(2] 8$ ^8l3j4 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
C"^hMsU8 //写入事件日志
X8SRQO^ eventLog.WriteEntry(messageText, LogEntryType);
\pD=Lv9 QUZQY`'@ }
N|O]z catch {} //忽略任何异常
+\8 krA }
._MAHBx+G } //class ApplicationLog
dGD^op,6g }
DEQE7.]3 q CL'Xip')T 12.Panel 横向滚动,纵向自动扩展
xgT~b9 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
hn\Q6f+ K_+;"G 13.回车转换成Tab
[+MX$y <script language="javascript" for="document" event="onkeydown">
Xz.Y-5) if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
"3i80R\w`F event.keyCode=9;
_X2EBpZp </script>
-llx: Ag4Ga?&8ec onkeydown="if(event.keyCode==13) event.keyCode=9"
-6~y$c&c 1.95 ^8 14.DataGrid超级连接列
eBC%2TF DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
ZecvjbnVY 9+8!xwR: 15.DataGrid行随鼠标变色
vuo'"^ =p0 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
I`'a' {
UUMdZ+7 if (e.Item.ItemType!=ListItemType.Header)
1^f.5@tV {
=1
BNCKT< e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
%X"m/4c8} e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
E_D ^O }
]dbSa1? }
0+<eRR9- 6%\Q*r*N 16.模板列
l/png: <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
MYhx'[4[3 <ITEMTEMPLATE>
xBRh!w <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
:IVk_[s </ITEMTEMPLATE>
9sU+IT K4 </ASP:TEMPLATECOLUMN>
pgd8`$(Q ;w6fM <ASP:TEMPLATECOLUMN headertext="选中">
Gl8&FrR <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
O%JsUKV <ITEMTEMPLATE>
EwD3d0udL <ASP:CHECKBOX id="chkExport" runat="server" />
`kNi*I^ </ITEMTEMPLATE>
.-KtB(t <EDITITEMTEMPLATE>
]KXMGH_ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
8L-4}!~C </EDITITEMTEMPLATE>
"<w2v'6S </ASP:TEMPLATECOLUMN>
M .)}e7 ^6aS]t 后台代码
h^A3 0f_x protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
pFJQ7Jlx {
! FR%QGn1 //改变列的选定,实现全选或全不选。
6mu<&m@ CheckBox chkExport ;
)W1(tEq59 if( CheckAll.Checked)
sCF40AoY& {
Zgg'9E foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
:GQIlA8cF$ {
.5Knb c chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
)XP#W|; chkExport.Checked = true;
-.{oqs$ }
4N~+G ` }
,'C30 A*p else
v.Xoq {
*!g 24 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
SY'2A) {
x*h?%egB!p chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[Y$5zeA chkExport.Checked = false;
3duG.iUlL }
zUs~V`0 }
4O`6h)!NQ }
l801`~*gO cGE=. 17.数字格式化
Z6Nj<2u2
(A29ZH 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
?h!t$QQ!M <%#Container.DataItem("price","{0:¥#,##0.00}")%>
-]Q(~'a 6P~aW int i=123456;
gwSN>oj
& string s=i.ToString("###,###.00");
/Fv/oY 0%s3Mp6H 18.日期格式化
L`UG=7r q Q PFeBl 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
<t{?7_ 8 X"[dQ_o 显示为: 2004-8-11 19:44:28
JBR[;
zM 'ySljo*It 我只想要:2004-8-11 】
ohrw\<xsu <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
g4:VR:o %5JW<9 应该如何改?
9<|m4 U_}7d"<| ? 【格式化日期】
B(j02<- 8F zHNG 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
~->Hlxze'K _i3i HR? 【日期的验证表达式】
,0!uem}1i l80bHp= A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
8p (!]^z ^((\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})))?$
V43nws"4 3{<R5wUo" B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
E'5Ajtw; ^\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]))$
UvkJ?Bu 'nRp}s1^[ 【大小写转换】
NJZXs_%>$ HttpUtility.HtmlEncode(string);
n6b3E* HttpUtility.HtmlDecode(string)
6*ZU}xT [}>#YPZ 19.如何设定全局变量
1~%o}+#- ,e9CJ~a Global.asax中
u8Y~_)\MA '#v71, Application_Start()事件中
u]HS(B,ht mZwi7s&u 添加Application[属性名] = xxx;
W*k` v&xKi>Ail 就是你的全局变量
NB EpM $ye^uu;Z 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
xXF2"+ [?-]PZ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
;}LJh8_ RfKc{V 【ASPNETMENU】点击菜单项弹出新窗口
`f@{Vcr%i %drJ p6n% 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
3&es]1b <?xml version="1.0" encoding="GB2312"?>
}wG,BB %N <MenuData ImagesBaseURL="images/">
wGPotPdE2 <MenuGroup>
EMLx?JnP <MenuItem Label="内参信息" URL="Infomation.aspx" >
osl=[pm <MenuGroup ID="BBC">
?^|QiuU:n <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
LI[ ?~P2\ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
JwZ?hc ......
TfJL+a0 kLJlS,nh\r 最好将你的aspnetmenu升级到1.2版
wG+=}1X o]A XT8 21.读取DataGrid控件TextBox值
;Xqn-R foreach(DataGrid dgi in yourDataGrid.Items)
d7* CwY9" {
Yi 6Nw+$ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
[4p=X=B tb.Text....
(Akd8}nf~ }
C` pp O@s{uZ|A6 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?
~z5@V5z F)
?o, 〖思归〗
\/!ZA[D|E\ <asp:TemplateColumn HeaderText="数量">
<P1rqM9^ <ItemTemplate>
<"?*zx&