1. 打开新的窗口并传送参数:
~sh`r{0 hv?9*tLh0 传送参数:
'tH_p response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
[@.!~E)P ,y#Kv|R 接收参数:
;=MU';o string a = Request.QueryString("id");
K|epPGRr string b = Request.QueryString("id1");
{z{bY\ A6thXs2 2.为按钮添加对话框
A*\.NTM Button1.Attributes.Add("onclick","return confirm(’确认?’)");
z:wutqru button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
:;9F>?VN>0 x<ZJb 3.删除表格选定记录
-Fe?R*-g int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
#pnI\ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
)P
sY($ & e~=;c 4.删除表格记录警告
X9V *UXTc private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
;>Ib^ov {
[MUpxOAsd switch(e.Item.ItemType)
uI )6M {
) AvN\sC case ListItemType.Item :
YpVD2.jy case ListItemType.AlternatingItem :
T{-CkHf9Q case ListItemType.EditItem:
~UP[A'9jJ TableCell myTableCell;
A
PEE~ myTableCell = e.Item.Cells[14];
\XZ/v*d0
LinkButton myDeleteButton ;
Wi)_H$KII myDeleteButton = (LinkButton)myTableCell.Controls[0];
.[ICx myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Q ~#Wf? break;
asppRL|| default:
I=`U7Bis" break;
V@g'#={r }
,s"^kFl N2;B-U F
7 }
f6&iy$@ V2wb%;q 5.点击表格行链接另一页
sBT2j~jhJ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[M=7M}f; {
r7%I n^k //点击表格打开
"ut39si if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
z7fp#>uw e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
I 7{T }
#Lh;CSS *nkoPVpC 双击表格连接到另一页
$Nhs1st*8 inMA:x}cF1 在itemDataBind事件中
nksLWfpG?B if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-(;26\lE {
KW pVw! string OrderItemID =e.item.cells[1].Text;
@niHl ...
t-tg-< e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
8p 'L#Q. }
g}1B;zGf OrY/`+Cog 双击表格打开新一页
iP ->S\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
r@H /kD {
(x;@%:3j$ string OrderItemID =e.item.cells[1].Text;
<L8'! q} ...
oqO(PU e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
P@V0Mi), }
K0|FY=#2y 6d<r= C= ★特别注意:【?id=】 处不能为 【?id =】
aC8} d 6.表格超连接列传递参数
vXrx{5gz <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
YYBDRR" <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
(c=6yV@ /
*#r`A 7.表格点击改变颜色
-
M4JJV( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
dO!
kk"qn {
yEqps3% e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
*av<E this.style.color=’buttontext’;this.style.cursor=’default’;");
E Nhl&J }
98IJu -b9\=U[ 写在DataGrid的_ItemDataBound里
t%/&c::(6 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
JcsHt; {
Z&+ g;(g e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
"^})zf~_ this.style.color=’buttontext’;this.style.cursor=’default’;");
FrGgga$ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
hF~n)oQ }
l[0RgO*S k8&;lgO' BLQ 6A< 8.关于日期格式
{HltvO%8 >*
f-Wde 日期格式设定
Q4#m\KK;i9 DataFormatString="{0:yyyy-MM-dd}"
_{YWXRC# /K@XzwM 我觉得应该在itembound事件中
;PF<y9M e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
&R'c. c <B/V0] 9.获取错误信息并到指定页面
MzdV2. &
p 不要使用Response.Redirect,而应该使用Server.Transfer
/|6N*>l)y dd %6t e.g
/=nJRC3. // in global.asax
}c,}V protected void Application_Error(Object sender, EventArgs e) {
24 ' J if (Server.GetLastError() is HttpUnhandledException)
z% ?+AM)P Server.Transfer("MyErrorPage.aspx");
@e.C"@G _$E6P^AQ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
_Eo[7V{NY }
i#n0U/ r,73C/*&/ 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
RLjc&WhzXu *SJ_z(CZm 10.清空Cookie
,aZ[R27rpL Cookie.Expires=[DateTime];
>C>.\ Response.Cookies("UserName").Expires = 0
?=Z?6fw C`hU] 11.自定义异常处理
~d.Y&b //自定义异常处理类
_aSxc)? using System;
K<3A1'_ using System.Diagnostics;
X]TG<r Tv,[DI + namespace MyAppException
O3,jg|, {
yLvDMPj /// <summary>
#CTE-W"|HE /// 从系统异常类ApplicationException继承的应用程序异常处理类。
D0-3eV- /// 自动将异常内容记录到Windows NT/2000的应用程序日志
JX;<F~{. /// </summary>
0*3R=7_},o public class AppException:System.ApplicationException
/l~p=PK {
Cv.C;H public AppException()
lfow1WRF {
E4jNA}3k+ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
vH@ds
k }
Qz1E 2yJ PO:{t public AppException(string message)
UcHJR"M~c {
Vx u0F]% LogEvent(message);
tCH!my_ }
v0{i0%d,? W:2( .? public AppException(string message,Exception innerException)
kiaw4_ {
Ty?cC** LogEvent(message);
z2~til if (innerException != null)
*Hn8)x}E {
kS);xA8s] LogEvent(innerException.Message);
D#C~pdp }
$bR~+C }
eu-*?]&Di [q[Y~1o/&H //日志记录类
P/eeC" using System;
}j)e6>K]) using System.Configuration;
97*p+T<yp using System.Diagnostics;
zR:L!S using System.IO;
A |4[vz9>H using System.Text;
&K#M*B,*p using System.Threading;
""G'rN_=Bi =j]<t namespace MyEventLog
oJz^|dW {
x|Bf-kc[#Q /// <summary>
1.GQau~ /// 事件日志记录类,提供事件日志记录支持
;A'mB6?%H /// <remarks>
`*R:gE= /// 定义了4个日志记录方法 (error, warning, info, trace)
Ee! 4xg /// </remarks>
{%H'z$|{ /// </summary>
BX7kO0j public class ApplicationLog
D/&o&G96 {
T.BW H2gRP /// <summary>
A?P_DA /// 将错误信息记录到Win2000/NT事件日志中
6%_nZvRv /// <param name="message">需要记录的文本信息</param>
UB@+ck /// </summary>
+I|vzz`ZVr public static void WriteError(String message)
KkbD W3- {
b]#AI
qt WriteLog(TraceLevel.Error, message);
hL{KRRf> }
tS=(}2Q 7`'Tb p /// <summary>
"<1{9 /// 将警告信息记录到Win2000/NT事件日志中
/(*q}R3Kfo /// <param name="message">需要记录的文本信息</param>
}&J q}j /// </summary>
:crW9+ public static void WriteWarning(String message)
0'C1YvF {
dR,fXQm WriteLog(TraceLevel.Warning, message);
29.h91 }
@RKryY) zRr*7G /// <summary>
#)O65GI /// 将提示信息记录到Win2000/NT事件日志中
aX'*pK/- /// <param name="message">需要记录的文本信息</param>
sDlO# /// </summary>
%P|/A+Mg" public static void WriteInfo(String message)
Z@!+v19^ {
mz0X3 WriteLog(TraceLevel.Info, message);
/nA{#HY }
YN F k /// <summary>
BW4J> { /// 将跟踪信息记录到Win2000/NT事件日志中
htF] W|z /// <param name="message">需要记录的文本信息</param>
ggR.4&< /// </summary>
0aB;p7~& public static void WriteTrace(String message)
!Wnb|=j {
&Ok):` WriteLog(TraceLevel.Verbose, message);
oap4rHk} }
`d}2O%P ukyZes8o K /// <summary>
/*mI<[xb /// 格式化记录到事件日志的文本信息格式
^<2p~h0
\ /// <param name="ex">需要格式化的异常对象</param>
8&slu{M-
t /// <param name="catchInfo">异常信息标题字符串.</param>
+cN8Y}V /// <retvalue>
4|DWOQ': /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
(O3nL. /// </retvalue>
-uf|w? /// </summary>
F={a;Dvrn public static String FormatException(Exception ex, String catchInfo)
UP,c | {
83#mB:^R StringBuilder strBuilder = new StringBuilder();
}o`76rDN if (catchInfo != String.Empty)
(f"4,b^] {
_q-*7hCQ` strBuilder.Append(catchInfo).Append("\r\n");
[{,1=AB }
SO!8Di strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
o>pJPV return strBuilder.ToString();
SwMc
pNo }
XwaXdvmK q(84+{>B /// <summary>
fNFY$:4X /// 实际事件日志写入方法
}pkzH'$HJ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
C~/a- /// <param name="messageText">要记录的文本.</param>
f.)O2= /// </summary>
.?$gpM?i private static void WriteLog(TraceLevel level, String messageText)
$=4QO {
0L52#;?Si" try
]c'A%:f< {
C?eH]hkZ3 EventLogEntryType LogEntryType;
}qD\0+`qi switch (level)
5=ryDrx {
Q^")jPd case TraceLevel.Error:
_oeS Uzq. LogEntryType = EventLogEntryType.Error;
oUlVI*~ND break;
`;egv*!P case TraceLevel.Warning:
3^yK!-Wp( LogEntryType = EventLogEntryType.Warning;
"^GGac. break;
\dah^mw" case TraceLevel.Info:
)Pv%#P-< LogEntryType = EventLogEntryType.Information;
o`-msz break;
6Z"X}L,* case TraceLevel.Verbose:
0o&5]lEe LogEntryType = EventLogEntryType.SuccessAudit;
$IpccZpA break;
A.w.rVDD default:
l*G[!u LogEntryType = EventLogEntryType.SuccessAudit;
X"%gQ.1|{j break;
yJIscwF }
;aVZ"~a+\ 9hyn`u. EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
)8ZH-|N`!E //写入事件日志
& 1f+, eventLog.WriteEntry(messageText, LogEntryType);
dSHDWu& AA>P`C$&M }
TB31-
() catch {} //忽略任何异常
^U/O!GK }
ZbKg~jdF } //class ApplicationLog
`Urhy#LC }
$[ *w"iQ ,I;>aE<# 12.Panel 横向滚动,纵向自动扩展
;!Fn1|) <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
,eS)e+yzc2 k+*u/neh 13.回车转换成Tab
x]j W<A <script language="javascript" for="document" event="onkeydown">
%8v\FS if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
xyXa . event.keyCode=9;
4^<?Wq~ </script>
n+ M <\ ]6j{@z?{ onkeydown="if(event.keyCode==13) event.keyCode=9"
C;yZ #GFr`o0$^ 14.DataGrid超级连接列
@2i9n DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
<:CkgR$/{ ))Za&S*< 15.DataGrid行随鼠标变色
'V>-QD%1 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
M"L=L5OH- {
RxQ * if (e.Item.ItemType!=ListItemType.Header)
E"IZ6)Q {
Dw"\/p:-3 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
7zj{wp! e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
nO-#Q=H, }
'Pbr
v }
rPm x uXiN~j &Be 16.模板列
?e?!3Bx;EM <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
uQzXfOq <ITEMTEMPLATE>
/x *3}oI <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
\w8\1~# </ITEMTEMPLATE>
7d\QB(~ </ASP:TEMPLATECOLUMN>
/gas2k==^ \OoWo <ASP:TEMPLATECOLUMN headertext="选中">
%a7$QF] <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
@ Nm@]q <ITEMTEMPLATE>
~}Pfu <ASP:CHECKBOX id="chkExport" runat="server" />
P$,Ke< </ITEMTEMPLATE>
[#iz/q~} <EDITITEMTEMPLATE>
|uJ%5y# <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Dha1/g1q </EDITITEMTEMPLATE>
;9#KeA _ </ASP:TEMPLATECOLUMN>
ia?
c0xL [G3E%z 后台代码
yt2PU_), protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
6L~n.5B~o {
4^d?D!j //改变列的选定,实现全选或全不选。
0*v2y*2V CheckBox chkExport ;
XK vi=0B if( CheckAll.Checked)
cz$2R {
,#K'PB4 E foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
[D1Up {
19] E 5'AI chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!<h)w#>en chkExport.Checked = true;
xyxy`qR A }
@(lh%@hO }
7|H$ /] else
}QmqoCAE~m {
{.]7!ISl5 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
xYB{;K {
;F Eqe49 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
pK4)yu+ chkExport.Checked = false;
K)P%;X }
Tj- s4x }
O".=r} }
QsW/X0YBv 1
TXioDs=_ 17.数字格式化
"Y.y:Vv; cH)";]k*- 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
R|Q?KCI& <%#Container.DataItem("price","{0:¥#,##0.00}")%>
8?C5L8) (-co. int i=123456;
#LNED)Vg string s=i.ToString("###,###.00");
_VXN#@y "gwSJ~:ds 18.日期格式化
*K;~!P `0R./|bv\I 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
o !7va" d"Y{UE 显示为: 2004-8-11 19:44:28
yCo.cd- d d;T-wa} 我只想要:2004-8-11 】
%jM,W}2 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
3$JoDL(Z @%SQFu@FJ 应该如何改?
~QVH<`sn 6H|S;K+ 【格式化日期】
z?//rXuO UCWBYC+ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Ir]\|t S,=|AD 【日期的验证表达式】
M3Kfd {GUF;V
^ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
4GM6)"#d ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
XX~,>Q}H= ch]29 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
wyG;8I ^\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]))$
:Tq~8!s [/ZO q 【大小写转换】
:hA#m[ HttpUtility.HtmlEncode(string);
~)'k 9?0 HttpUtility.HtmlDecode(string)
rM"l@3hP Y\tui+?J 19.如何设定全局变量
!&\INl-Z i6N',&jFU Global.asax中
S
tyfB .|=\z9_7S8 Application_Start()事件中
E} .^kc[(4 .
]M"#
\ 添加Application[属性名] = xxx;
92-I~
!d {XHh8_^& 就是你的全局变量
A)KZa"EX |K~Nw&rZ] 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
]%(2hY~i y> (w\K9W HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
xLn%hxm?, H[|~/0?K 【ASPNETMENU】点击菜单项弹出新窗口
?1".;foZ Dhv3jg;lq 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
B1Oq!k <?xml version="1.0" encoding="GB2312"?>
\[nut; <MenuData ImagesBaseURL="images/">
=Runf
+} <MenuGroup>
|&jXp%4T <MenuItem Label="内参信息" URL="Infomation.aspx" >
Rva$IX^] <MenuGroup ID="BBC">
C.QO#b <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
@|)Z"m7 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
8r!zBKq2~ ......
8$|=P!7EO )CyS#j#= 最好将你的aspnetmenu升级到1.2版
F&Hrk|a F<w/PMb 21.读取DataGrid控件TextBox值
ZG@q`<:j foreach(DataGrid dgi in yourDataGrid.Items)
IM+o.@f- {
LIdF 0 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Hr4}3.8 tb.Text....
O1kl70,`R }
]{L jRSV +^<](z 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?
cGD(.= \C1nZk?3 〖思归〗
D3A/l <asp:TemplateColumn HeaderText="数量">
HorDNRyu <ItemTemplate>
p<;0g9,1 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
,Lt[\_ onkeyup="javascript:DoCal()"
iyog`s c />
Xry47a
) %07SFu# <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
l@:0e]8|o </ItemTemplate>
V1JIht>Opo </asp:TemplateColumn>
.{KVMc Lh<).<S <asp:TemplateColumn HeaderText="单价">
9k=3u;$v <ItemTemplate>
v9UD%@tZ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
:j`sr onkeyup="javascript:DoCal()"
~v"L!=~G;a />
1i] ^{;] ZAf7Tz\U <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
fxIf|9Qi` sNwI0o </ItemTemplate>
snikn& </asp:TemplateColumn>
i 3SHg\~Z 2:= <asp:TemplateColumn HeaderText="金额">
,v&(Y Od <ItemTemplate>
4Z,!zFS$` <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
_-F s#f8 </ItemTemplate>
f
V( J| </asp:TemplateColumn><script language="javascript">
x3krbUlx function DoCal()
4H<lm*!^ {
gzg_>2Sj var e = event.srcElement;
uM'Jp? var row = e.parentNode.parentNode;
rXU\ var txts = row.all.tags("INPUT");
DFTyMB1H if (!txts.length || txts.length < 3)
\^%}M!tan return;
<