1. 打开新的窗口并传送参数:
J[hmY= , "Y&
传送参数:
|B*B>P# response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
lBs-u h ABkDOG2br 接收参数:
x|dP-E41\ string a = Request.QueryString("id");
Ldv,(ZV,< string b = Request.QueryString("id1");
o$+R -1v9 2.为按钮添加对话框
&ni#( Button1.Attributes.Add("onclick","return confirm(’确认?’)");
)z18:C3 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
@U1|?~M%s gW--[ 3.删除表格选定记录
>wt.)c?5 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
$;Iz7:#jN string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Jvsy
6R C7* YZe 4.删除表格记录警告
W;UPA~nT~ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
!X~NL+ {
7iwck.* switch(e.Item.ItemType)
dh [kx {
\/;c^!(< case ListItemType.Item :
J@E]Fl case ListItemType.AlternatingItem :
'-Cx-= case ListItemType.EditItem:
&ZkJ,- TableCell myTableCell;
Q#Zazvk myTableCell = e.Item.Cells[14];
8#Z)qQWi_t LinkButton myDeleteButton ;
@SiV3k myDeleteButton = (LinkButton)myTableCell.Controls[0];
0a8\{(w myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
DrV[1Z break;
S#B%[3@ default:
.
_|=Btoo break;
L8f+uI }
FA)ot)] 0Ui_Trlc }
h9<PP2.( X1a~l|$h 5.点击表格行链接另一页
-Fn/= private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'/9j"mIA9$ {
'PY; //点击表格打开
?QJx!'Y,p if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
jdu6P+_8n e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
R.HvqO }
qCfEv4 (@xC-* 双击表格连接到另一页
?hc=w 2Ci %N~c9B 在itemDataBind事件中
)e`9U.C if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
RMT9tXe*5 {
7sOAaWx string OrderItemID =e.item.cells[1].Text;
rA B=H*|6 ...
iv6G9e{cx e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
0|tyKP|J }
R=E4Sh h'=)dFw7 双击表格打开新一页
2#lpIj if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
g_P98_2f.k {
(_@5V_U string OrderItemID =e.item.cells[1].Text;
<ml?DXT ...
N~CQh=< e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
*~U.36 }
JWg.0d$hM )z@
+|A ★特别注意:【?id=】 处不能为 【?id =】
uKM` umE 6.表格超连接列传递参数
#I0FWZ>W <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
3?"gfw W <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
iBbaHU*V $3>Rw/, 7.表格点击改变颜色
%po;ih$jr* if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^[HUtq {
Y 'X!T8 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
"i/GzD7 `n this.style.color=’buttontext’;this.style.cursor=’default’;");
hDW_a y4 }
wdBBx\FP 2ns,q0I
A 写在DataGrid的_ItemDataBound里
<@ ts[p. if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
l:eC+[_;> {
~zac.:a8 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
k# Ho7rS& this.style.color=’buttontext’;this.style.cursor=’default’;");
kJf0..J[#< e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
6c-'CW
}
=lk'[P/p` Bl6I@w s-Yu(X2 8.关于日期格式
uchQv]VB T3
ie-G@< 日期格式设定
!w%c=V]tV DataFormatString="{0:yyyy-MM-dd}"
8gE p5 H@wjZ;R 我觉得应该在itembound事件中
r`6f e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
t855| R"O%##Ws 9.获取错误信息并到指定页面
]f&]E
~i M*3G 不要使用Response.Redirect,而应该使用Server.Transfer
8Y RT0/V WR#h~N
9c e.g
zzI,iEG // in global.asax
9M9Fif. protected void Application_Error(Object sender, EventArgs e) {
&(,&mE if (Server.GetLastError() is HttpUnhandledException)
O]hUOc`k Server.Transfer("MyErrorPage.aspx");
,z#D[5 Hkia&nz'3 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
UF5_be,D }
?r&~(<^z r5hkxk' 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
E8sM`2z5 I
F!xZ6X8 10.清空Cookie
L,#YP#O,j Cookie.Expires=[DateTime];
rqN+0CT Response.Cookies("UserName").Expires = 0
|z_Dw$-xm AhOBbss]q 11.自定义异常处理
v}t{*P //自定义异常处理类
v*GS>S using System;
dZ(Z]`L,B using System.Diagnostics;
t6KKfb > _sSni namespace MyAppException
Eb9h9sjv {
i{$P.i/& /// <summary>
?_AX;z /// 从系统异常类ApplicationException继承的应用程序异常处理类。
MDIPoS3BRa /// 自动将异常内容记录到Windows NT/2000的应用程序日志
@Nh}^D >j /// </summary>
,{q#U3 public class AppException:System.ApplicationException
0.R3(O {
&XCd2 public AppException()
PV"\9OIKb. {
iN'T^+um= if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
x2)WiO/As }
Hn)?
xw]x Y&=DjKoVh public AppException(string message)
a9NuYYr,h {
^znUf4N1 LogEvent(message);
jmq^98jB }
lc5(^~ $X)|`$#pL# public AppException(string message,Exception innerException)
!L9|iC:8 {
?OnL,y| LogEvent(message);
m)<+?Bv y if (innerException != null)
v ,h"u {
JP\jhkn LogEvent(innerException.Message);
=d5;F`m }
>T[Y>] }
!F}GSDDV* ?F[_5ls|] //日志记录类
h+H+>,N8` using System;
a6z0p%sIZ using System.Configuration;
1:T"jsWw using System.Diagnostics;
MNe/H\ using System.IO;
ZyNgG9JL] using System.Text;
RF2I_4 using System.Threading;
I(BJ1 8F$ wY\,b*x namespace MyEventLog
H*<E5^#dw {
ke W7pN? /// <summary>
r>bgCQ#-n /// 事件日志记录类,提供事件日志记录支持
#| gh /// <remarks>
_8 K|2$X /// 定义了4个日志记录方法 (error, warning, info, trace)
}eZ\~2 /// </remarks>
ol_\ " /// </summary>
!WlL RkwO public class ApplicationLog
PuZzl%i
P3 {
W!XBuk- /// <summary>
QwFA0 /// 将错误信息记录到Win2000/NT事件日志中
RfvvX$ /// <param name="message">需要记录的文本信息</param>
#X*);cn /// </summary>
Px?"5g#+ public static void WriteError(String message)
1nvT={'R {
A~E S{Zkh WriteLog(TraceLevel.Error, message);
8irTGA }
+[n#{;]< v.:Q& ] /// <summary>
(HeSL),1 /// 将警告信息记录到Win2000/NT事件日志中
Pr%KcR ; /// <param name="message">需要记录的文本信息</param>
'M? ptu?f /// </summary>
hUvA;E(qD public static void WriteWarning(String message)
v4 rO 0y=C {
GGHeC/4 WriteLog(TraceLevel.Warning, message);
Iy*Q{H3[ }
i}>EGmv m n9&fH /// <summary>
[=cbzmX[ /// 将提示信息记录到Win2000/NT事件日志中
&*O'qOO<2 /// <param name="message">需要记录的文本信息</param>
67T.qX2I$ /// </summary>
oM@%2M_O( public static void WriteInfo(String message)
k??CXW {
8_`C&vx WriteLog(TraceLevel.Info, message);
9{SzE /[ }
c1_Zi /// <summary>
t6-fG/Kc /// 将跟踪信息记录到Win2000/NT事件日志中
SufM~9Ll /// <param name="message">需要记录的文本信息</param>
U5cbO{\3I /// </summary>
jb/C\2U4) public static void WriteTrace(String message)
/\Xe'& {
17l?li WriteLog(TraceLevel.Verbose, message);
pg,JYn }
IR2Qc6+{ @m`H~]AU /// <summary>
6f#Mi+" /// 格式化记录到事件日志的文本信息格式
MoiRAO /// <param name="ex">需要格式化的异常对象</param>
GYJ j$' /// <param name="catchInfo">异常信息标题字符串.</param>
&y73^"% /// <retvalue>
ia
/#`#. /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
X[w]aJnAr /// </retvalue>
_RzoXn{1e /// </summary>
[Ax:gj public static String FormatException(Exception ex, String catchInfo)
n3U|
d+ {
#]Do_Z StringBuilder strBuilder = new StringBuilder();
;cL+=! if (catchInfo != String.Empty)
Jk|DWZ {
o(v7&m; strBuilder.Append(catchInfo).Append("\r\n");
d,meKQn }
:D2GLq *\ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
gV:0&g\v return strBuilder.ToString();
x=W s)&H_Y }
<]oPr1 $'!n4}$} /// <summary>
;&?ITV /// 实际事件日志写入方法
(<OmYnm /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
T51oNO%^ /// <param name="messageText">要记录的文本.</param>
I-J%yutB /// </summary>
?0z/i^I private static void WriteLog(TraceLevel level, String messageText)
M,{; xf {
_m
a;b<I/< try
gLo&~|=L- {
>U4bK^/Bp EventLogEntryType LogEntryType;
eo!+UFZbY switch (level)
8QKu {
Ym
-U{a case TraceLevel.Error:
=/ !A LogEntryType = EventLogEntryType.Error;
TOqxl break;
p!Tac%D+k case TraceLevel.Warning:
4>Q] \\Lc LogEntryType = EventLogEntryType.Warning;
jt3W.^6HO break;
$'#}f? case TraceLevel.Info:
:=q9ay LogEntryType = EventLogEntryType.Information;
w+\RSqz/ break;
R[vX+d!7 case TraceLevel.Verbose:
q9^.f9- LogEntryType = EventLogEntryType.SuccessAudit;
<0l:B;3 break;
8)` default:
Qd?S~3XT LogEntryType = EventLogEntryType.SuccessAudit;
fR2,NKM@ break;
oc-o>H }
5(Q-||J FS?1O"_ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
#=m:>Q?%z //写入事件日志
%A&g-4( eventLog.WriteEntry(messageText, LogEntryType);
NLgeBLB > -fXn }
`C6,**`R$k catch {} //忽略任何异常
McdK!V }
NY[48H } //class ApplicationLog
F?y
C= }
r|3u]rt ZiH4s| 12.Panel 横向滚动,纵向自动扩展
F*:H&, <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
q}g0-Da #fyY37- 13.回车转换成Tab
l,b_'
m@ <script language="javascript" for="document" event="onkeydown">
2v*X^2+ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
6p,}?6^ event.keyCode=9;
hNp.%XnnZ </script>
QX(t@VP 4 T/ ~erc onkeydown="if(event.keyCode==13) event.keyCode=9"
/cZcfCW AZJ|.mV q 14.DataGrid超级连接列
G%%F6)W DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
,zBc-Cm d _=44( - 15.DataGrid行随鼠标变色
c8cGIAOY) private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
UyNP:q: {
.e S* F if (e.Item.ItemType!=ListItemType.Header)
t$Ua&w {
"MOmJYH e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
B=%YD"FAv e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
N,cj[6;T% }
Tl^)O^/ }
<g8{LG0 <S@2%%W 16.模板列
DsBZ% <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
t{ridA} <ITEMTEMPLATE>
iW?NxP <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
JQ\o[t </ITEMTEMPLATE>
3ZYrNul" </ASP:TEMPLATECOLUMN>
rV
I-Yb `zcpaE.@ <ASP:TEMPLATECOLUMN headertext="选中">
:\1vy5 _ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
34vH+,!u <ITEMTEMPLATE>
-r{]9v2j <ASP:CHECKBOX id="chkExport" runat="server" />
lWU? R </ITEMTEMPLATE>
{JcMJZ3 <EDITITEMTEMPLATE>
2|+4xqNJm <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Ti5"a<R4m6 </EDITITEMTEMPLATE>
3SOrM </ASP:TEMPLATECOLUMN>
.noY[P8i )q%DRLD'G 后台代码
9Bu=8P? protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
hN1{?PQ {
j0e1CSE //改变列的选定,实现全选或全不选。
K5d>{c CheckBox chkExport ;
xkz`is77Y@ if( CheckAll.Checked)
t\<*Q3rl- {
o6:p2W foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
d8f S79 {
4wwRNu* chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!z?:Y#P3 chkExport.Checked = true;
ZpU4"x> }
?eR^\-e }
`&A-m8X else
E>}3MfL {
EPeV1$ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
}Ot2; T {
54&&=NVs| chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
RYX=;n chkExport.Checked = false;
*wz6 2p }
#!M;4~Sfx }
HG})VPBa }
9'\*Ip^
ob=IaZ@? 17.数字格式化
9KZLlEk5O g*:f#u5 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
x$V[xX <%#Container.DataItem("price","{0:¥#,##0.00}")%>
/57)y_ \ mINir- int i=123456;
gMZ
` string s=i.ToString("###,###.00");
^G(+sb[t #c2JWDH1F 18.日期格式化
uTUkRqtD! N6S}u@{J~N 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
q^kOyA. Aj2yAg 显示为: 2004-8-11 19:44:28
]4oF!S%F l,M? 我只想要:2004-8-11 】
kR(hUc1O <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Y!nE65 J$i5A9IUr 应该如何改?
GVzG z4c{W~}` 【格式化日期】
nrI-F,1 vC!}%sxVw_ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
cH\.-5NQ |=4imM7 【日期的验证表达式】
`Jon^&^;| 2UjQ!g` A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
*.NVc ^((\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})))?$
k:kx=K5=4 ^0&
B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
FFqqAT5 ^\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]))$
\P0>TWE M&K'5G)7 【大小写转换】
,Tc598D HttpUtility.HtmlEncode(string);
dJd(m&.|N HttpUtility.HtmlDecode(string)
wloQk(T<W xD<:'-ri> 19.如何设定全局变量
go$zi5{h# SdBo sB3v> Global.asax中
Q+'QJ7fw'| ,v+~vXO&\ Application_Start()事件中
_kT$/k I HtNaN ) 添加Application[属性名] = xxx;
c2<JS:!*
D>Dch0{H,: 就是你的全局变量
1-60gI1) 8!{F6DG 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
G4eY}3F7,4 &'-ze,k} HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
t#6@~49 D^9r#& 【ASPNETMENU】点击菜单项弹出新窗口
E%6}p++ 7nAB^~)6l 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
zDO`w0N <?xml version="1.0" encoding="GB2312"?>
li?RymlF <MenuData ImagesBaseURL="images/">
q}mQm' <MenuGroup>
U#W9]il$ <MenuItem Label="内参信息" URL="Infomation.aspx" >
#Y;_W;# <MenuGroup ID="BBC">
Ov=^}T4zl <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
_+hf.["" <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
(:]on^| ......
t LZ4<wc D|p`~( 最好将你的aspnetmenu升级到1.2版
2-*zevPiG= Jx8?x#} 21.读取DataGrid控件TextBox值
~4fjFo&