1. 打开新的窗口并传送参数:
HGYTh"R =][
)|n 传送参数:
.2%t3ul[ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
0`E G-Hw 6Amt75RY 接收参数:
k^cZePqE6d string a = Request.QueryString("id");
L-(bw3Yr> string b = Request.QueryString("id1");
gY7sf1\wX EK# 11@0% 2.为按钮添加对话框
Phi5;U! Button1.Attributes.Add("onclick","return confirm(’确认?’)");
XR ..DVab button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
4`8s]X M0$MK> 3.删除表格选定记录
%np(z&@wi int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
"s|P,*Xf string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
K+)3 LR^ 6,5h4[eF* 4.删除表格记录警告
o}Grb/LJ
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
8y27O {
4w+AOWjd switch(e.Item.ItemType)
K9zr]7;th {
vb^fx$V case ListItemType.Item :
9D14/9*(dU case ListItemType.AlternatingItem :
~Eg]Auk7 case ListItemType.EditItem:
E_~e/y"- TableCell myTableCell;
K~d'*J- myTableCell = e.Item.Cells[14];
XYvj3+ LinkButton myDeleteButton ;
dU9;sx myDeleteButton = (LinkButton)myTableCell.Controls[0];
_&]7 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
6rnFXZ\ break;
kn}^oRT default:
GTLS0l) break;
'1D$ ; }
t]SB.ja -+[Lc_oNPx }
;j9%D`u< (2eS:1+'8 5.点击表格行链接另一页
+(=-95qZ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
poAJl;T {
(d#&m+
g] //点击表格打开
7RDmvWd-'? if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
H{n:R * e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
rQl9SUs }
jOT/|k Stwg[K0< 双击表格连接到另一页
R[zN? MH#Tp#RG 在itemDataBind事件中
Y/J~M$9P, if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=Fc]mcJ69 {
[\3ZMH
* string OrderItemID =e.item.cells[1].Text;
'dWUE- ...
)Lz
=[e e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
xS UpVK }
!:xycLdfUp oh-EEo4, 双击表格打开新一页
w)ki<Dudg if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ulzX$ {
CJk"yW[,| string OrderItemID =e.item.cells[1].Text;
7C'@g)@^/ ...
__eB 7]#E e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
[z"E"_r~%Y }
?;o0~][! 4L,wBce;,t ★特别注意:【?id=】 处不能为 【?id =】
I=dn]}b#P 6.表格超连接列传递参数
{d<XDx4` <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
qRaPh:Q' <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
yf&_l^! f?:=@35 7.表格点击改变颜色
/ckkqk" if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
%T$>E7]! {
3Iqvc v e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
?GH/W#{o) this.style.color=’buttontext’;this.style.cursor=’default’;");
x%s1)\^A }
.tKBmq0xo" E
G+/2o+W 写在DataGrid的_ItemDataBound里
&OJ?Za@p@) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
MhA4C 8 {
vLxaZWr e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
1Du5Z9AM this.style.color=’buttontext’;this.style.cursor=’default’;");
"Bwz
Fh e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
4!Radl3` }
&Z>??|f \)5mO 8w aAe`o2Xs 8.关于日期格式
<.Zh{"$qo oUn+tu: 日期格式设定
w2xD1oK~o DataFormatString="{0:yyyy-MM-dd}"
5wW5
n5YS lv?`+tU2_ 我觉得应该在itembound事件中
@?e~l:g})g e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
y0Gblza c$,1j%[) 9.获取错误信息并到指定页面
^;ZpK@Luk -HGRrWS 不要使用Response.Redirect,而应该使用Server.Transfer
4
. c1 QOK,- e.g
>yKz8SV# // in global.asax
E[#VWM
I protected void Application_Error(Object sender, EventArgs e) {
]&H"EHC<$ if (Server.GetLastError() is HttpUnhandledException)
;%d<Uk? Server.Transfer("MyErrorPage.aspx");
U]}F A2 eH7x>[lH. //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
bD=H$) }
hBRi5&% L754odc 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
qpFxl zWU]4;," 10.清空Cookie
|pS]zD Cookie.Expires=[DateTime];
$)@D(m,ybd Response.Cookies("UserName").Expires = 0
rR":}LA^d b>QdP$> 11.自定义异常处理
)NhC+=N //自定义异常处理类
2~\SUGW- using System;
5.ab/uk;M using System.Diagnostics;
QY4;qA Dqo#+_v namespace MyAppException
X+sKG5nS {
baD063P; /// <summary>
bK!h{Rr /// 从系统异常类ApplicationException继承的应用程序异常处理类。
uvJHkAi /// 自动将异常内容记录到Windows NT/2000的应用程序日志
tz2=l.1 /// </summary>
7omHorU+ public class AppException:System.ApplicationException
]QHp?Ii1 {
5,p;b public AppException()
#8M?y*<I {
:QP1! if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
~}j+~ }
lCUYE"o !AJkd. public AppException(string message)
f6K.F {
~5N
oR LogEvent(message);
y akRKiz\ }
B<L7`xL T5|kO:CbHq public AppException(string message,Exception innerException)
;8XRs?xyd {
"[P3b"=gW LogEvent(message);
MG=8`J-` if (innerException != null)
5PZ!ZO& {
0sU*3 r? LogEvent(innerException.Message);
aL[6}U0 (} }
Y!oLNGY }
Lu6g`O:[' ?e6>dNw //日志记录类
O6/ vFEB using System;
q\?p' i using System.Configuration;
~IW{^u using System.Diagnostics;
Z" ;q w using System.IO;
G3:!]} using System.Text;
;AJQ2 using System.Threading;
8Yk*$RR9 @%x2d1FS namespace MyEventLog
nS3Aadm {
d/yF}%0QI /// <summary>
NjZ~b/ /// 事件日志记录类,提供事件日志记录支持
^wWbW&<Tg /// <remarks>
9MfU{4:;I /// 定义了4个日志记录方法 (error, warning, info, trace)
fWq*Op.]c /// </remarks>
b9X*2pnWJ /// </summary>
XEA5A.uc public class ApplicationLog
,.0bE
9\o {
7Q&-ObW /// <summary>
9\hI:rI /// 将错误信息记录到Win2000/NT事件日志中
w -o#=R_ /// <param name="message">需要记录的文本信息</param>
'o}[9ZBjn /// </summary>
C^LxuUW public static void WriteError(String message)
wjl )yo$z {
Q*T'tkp WriteLog(TraceLevel.Error, message);
,\v'%,:C }
D {Ol8: l[:Aq&[o3 /// <summary>
>-N(o2j3 /// 将警告信息记录到Win2000/NT事件日志中
1}a4AGAp /// <param name="message">需要记录的文本信息</param>
R]X 0D. /// </summary>
vb]kh_ public static void WriteWarning(String message)
*'{-!Y {
3<W%z]k@M WriteLog(TraceLevel.Warning, message);
:6lv X$ }
MBg[hu% !5lV#w!vb /// <summary>
an"~n`g /// 将提示信息记录到Win2000/NT事件日志中
J?3/L&seA /// <param name="message">需要记录的文本信息</param>
)pHlWi|h /// </summary>
7?R600OA public static void WriteInfo(String message)
dWQsC| {
u|t l@_ WriteLog(TraceLevel.Info, message);
8-x-?7 }
=${.*,o /// <summary>
edo )W
mn /// 将跟踪信息记录到Win2000/NT事件日志中
*KvD$(ny /// <param name="message">需要记录的文本信息</param>
c$ZVvu /// </summary>
e9[72V public static void WriteTrace(String message)
J;obh.}u"{ {
c$V5E t WriteLog(TraceLevel.Verbose, message);
[y@*vQw }
a,vS{434J [o#% Eg; /// <summary>
i$E [@ /// 格式化记录到事件日志的文本信息格式
T3P9 /// <param name="ex">需要格式化的异常对象</param>
*
HKu%g /// <param name="catchInfo">异常信息标题字符串.</param>
%nY\" /// <retvalue>
W#<1504ip /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
7m-% /// </retvalue>
_aPAn|. /// </summary>
=lJ
?yuc public static String FormatException(Exception ex, String catchInfo)
/jGBQ-X {
@M"gEeI9 StringBuilder strBuilder = new StringBuilder();
)k,n} if (catchInfo != String.Empty)
p@G7}'|eyA {
nU_O|l9 strBuilder.Append(catchInfo).Append("\r\n");
)6)bI.BY }
pjFO0h_Y strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
vv
,4n&D return strBuilder.ToString();
VQla.Y }
aL;!BlU8v z/{X{+Z /// <summary>
\nZB@u;S /// 实际事件日志写入方法
=Hd yra /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
n6%` /// <param name="messageText">要记录的文本.</param>
DRQx5fgL /// </summary>
J |q(HpB private static void WriteLog(TraceLevel level, String messageText)
#; ?3kuq( {
@[3c1B6K try
S\TXx79PhC {
YGyv)\ EventLogEntryType LogEntryType;
ps 3)d switch (level)
k|)fl l {
?A3L8^tR case TraceLevel.Error:
1.!U{>$ LogEntryType = EventLogEntryType.Error;
}9S}?R break;
0y9 b0G case TraceLevel.Warning:
H\S)a FY[ LogEntryType = EventLogEntryType.Warning;
lDYgtUKG break;
[7v|bd case TraceLevel.Info:
W r/-{Wt LogEntryType = EventLogEntryType.Information;
lv
8EfN break;
-)}s{[]d6m case TraceLevel.Verbose:
sE"s!s/ LogEntryType = EventLogEntryType.SuccessAudit;
sP(+Z^/ break;
5Ml=<^ default:
'}_r/l]K LogEntryType = EventLogEntryType.SuccessAudit;
Z0Z6aZeb break;
Xi&J%N' }
1]7gYNzV" ]P?<2, EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
|ri)-Bk
, //写入事件日志
9wWBE<}>u eventLog.WriteEntry(messageText, LogEntryType);
$"kPzo~B_ lME>U_E }
q7X]kr*qx catch {} //忽略任何异常
D`LBv,n }
B3#G } //class ApplicationLog
! K>iSF< }
KMRPleF sT\:** 12.Panel 横向滚动,纵向自动扩展
7<yc:}9nx <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
LCHMh6 (wDE!H7 13.回车转换成Tab
Urr%SIakvM <script language="javascript" for="document" event="onkeydown">
vQEV,d1 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Tz]R}DKB& event.keyCode=9;
P3_.U8g$r </script>
CFaY= Cy nYyhQX~]B onkeydown="if(event.keyCode==13) event.keyCode=9"
@RoZd? ^LMgOA(7 14.DataGrid超级连接列
/5ZX6YkeH DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
USBQEt TLdlPBnr8 15.DataGrid行随鼠标变色
1^\w7Rew2 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Wgwd?@uK {
j#](Q! if (e.Item.ItemType!=ListItemType.Header)
i5 rkP`)j {
gfQ?k e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
W$c@C02< e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
n<ZPWlJ }
,>
zEG }
||Zup\QB [oLV,O|s|j 16.模板列
^ po@U" <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
/'/I^ab <ITEMTEMPLATE>
-R`{]7V <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
YFO{i-*q </ITEMTEMPLATE>
YT\@fgBt </ASP:TEMPLATECOLUMN>
Z?axrGmg0 hS]w
A"\87 <ASP:TEMPLATECOLUMN headertext="选中">
vi,hWz8WB <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Y?0/f[Ax,y <ITEMTEMPLATE>
@]@|H?
<ASP:CHECKBOX id="chkExport" runat="server" />
_wq?Pa<)e </ITEMTEMPLATE>
iod%YjZu <EDITITEMTEMPLATE>
||$&o!;/L <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
fvkcJwkc </EDITITEMTEMPLATE>
Mbi]EZ </ASP:TEMPLATECOLUMN>
?%,NOX *G19fJ[5 后台代码
=S&`~+ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
6\4-I^=B {
\|;\ //改变列的选定,实现全选或全不选。
r\Nfq(w CheckBox chkExport ;
CXlbtpK2k if( CheckAll.Checked)
jj5S+ >4 {
EApKN@<" foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Z>rY9VvWD {
nr!N%Hi chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
g52a
vG chkExport.Checked = true;
^#/FkEt7bp }
% MHb }
U&5*>fd= else
Kgbm/L0XR* {
/).{h'^Hq\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
R?{+&r.X {
F/>_PH57 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
,erw(7}'. chkExport.Checked = false;
;5[KZ8j6Y }
8H!QekQZ]\ }
rpR${%jc }
`9~
%6N?7# ,WT>"9+ 17.数字格式化
}Z!D?( )g0fN+Mb 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
{0zn~+ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
M;(,0d k UiFH*HT int i=123456;
V`V\/s gj string s=i.ToString("###,###.00");
=&HLz
7| J!I)G&: 18.日期格式化
%Tm*^ 5(1:^:LGK 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
mB?x_6#d9 .fA*WQ!lb 显示为: 2004-8-11 19:44:28
%oZ:Awx J$dwy$n 我只想要:2004-8-11 】
\CbJU <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
UtZ,q!sg j)A#}4jd 应该如何改?
D &@] \/A.j|by,> 【格式化日期】
g)D_!iz KpLmpK1 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
U.%Kt,qB qNp1<QO0 【日期的验证表达式】
xP;r3u
s WjV15\, A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
K2 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
]MbPivM I=Y>z^4 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
(i1JRn-f ^\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]))$
vvoxK 0 &d# R'Z 【大小写转换】
8.E"[QktZ HttpUtility.HtmlEncode(string);
gYpMwC{*d HttpUtility.HtmlDecode(string)
Ui{%q@ $pGT1oF[E 19.如何设定全局变量
f:T?oR>2 KyvZ?R Global.asax中
Tb/TP3N M>8J_{r^ Application_Start()事件中
i!wU8@ cr7MvXF- 添加Application[属性名] = xxx;
$vO&C6m$ {K z,_bo 就是你的全局变量
-%K!Ra\W jmok]-pC 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
f8
d
3ZK s27IeF3 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
NkE0S`Xf 2G8pDvBr 【ASPNETMENU】点击菜单项弹出新窗口
e~'`x38 `?Rq44= 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
P&-o>mM <?xml version="1.0" encoding="GB2312"?>
Yo-}uTkw <MenuData ImagesBaseURL="images/">
H=t"qEp <MenuGroup>
]S|FK>U[ <MenuItem Label="内参信息" URL="Infomation.aspx" >
niVR!l <MenuGroup ID="BBC">
!xM5
A[f <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
KWTV!Wxb=K <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
eRauyL"Q+ ......
B@,9Cx564 {|;a?]? 最好将你的aspnetmenu升级到1.2版
x-^6U 8a)AuAi?! 21.读取DataGrid控件TextBox值
Ic&h8vSU foreach(DataGrid dgi in yourDataGrid.Items)
q2GW3t {
D7Q+w TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
En5oi tb.Text....
[3%mNNk }
_;<!8e$C *Ak .KBg 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
f0<zK! md!6@)S-p 〖思归〗
1GY2aZ@ <asp:TemplateColumn HeaderText="数量">
V5|ANt <ItemTemplate>
[U\?+@E* <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
|s| }u`(@9 onkeyup="javascript:DoCal()"
98m|&7 />
95DEuReKi ZedFhm <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
nK&]8" </ItemTemplate>
~j0rORy] </asp:TemplateColumn>
'J|2c;M\x
B.z$0=b <asp:TemplateColumn HeaderText="单价">
8v:{BHX <ItemTemplate>
>}5?`.K~Q* <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
s-i|P onkeyup="javascript:DoCal()"
0mw1CUx9K />
V"FQVtTx7 t [QD#; <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
${Z0@G+ >r.]a ` </ItemTemplate>
YJi%vQ*] </asp:TemplateColumn>
8h)XULs2 2*Z2uV^ <asp:TemplateColumn HeaderText="金额">
voWH.[n^_ <ItemTemplate>
49$P <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
<LX\s*M) </ItemTemplate>
O5\r%&$xd </asp:TemplateColumn><script language="javascript">
_z5/&tm_H function DoCal()
5dBftTv? {
%36x'Dn? var e = event.srcElement;
}xZi Ct var row = e.parentNode.parentNode;
&&ioGy}1 var txts = row.all.tags("INPUT");
%pWn9 if (!txts.length || txts.length < 3)
6iC>CY3CG return;
x)5}:b1B= dZM^?rq var q = txts[txts.length-3].value;
oy+|:[v:Fk var p = txts[txts.length-2].value;
Iq$| ?MH
)U^=`* 7 if (isNaN(q) || isNaN(p))
m 2H4V+M+ return;
:qYp%Ub
~zp8%lEe q = parseInt(q);
"TRS(d|3 p = parseFloat(p);
E&[5b4D@< mh
}M|h5Im txts[txts.length-1].value = (q * p).toFixed(2);
jW/WG tz }
D0.
)% </script>
%E?Srs}j yzK; vSzpx t0)1;aBZ VK}4<u 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
8&<:(mAP page_load
rTD +7
)E page.smartNavigation=true
?vXgHDs^T gLiJ&H 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
6W1GvM\e private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
p6M9uu {
WhPP4 # for(int i=0;i<e.Item.Cells.Count-1;i++)
tRjv- if(e.Item.ItemType==ListItemType.EditType)
_\!]MV {
=C\Tl-$\f e.Item.Cells.Attributes.Add("Width", "80px")
$ {yct }
=bKDD<( }
R|;BO:S1 1#vy# ' 26.对话框
f@*69a8 private static string ScriptBegin = "<script language=\"JavaScript\">";
;p`1Y<d-O private static string ScriptEnd = "</script>";
AGhenDNV *X5)9dq public static void ConfirmMessageBox(string PageTarget,string Content)
Pz4#>tP {
"k zKQ~ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
*D5 xbkH=. blc?[ [,! ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
[-~pDkf: .qBc;u Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
K7}.# *% ~ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
<'Q6\R}:vC //Response.Write(strScript);
Pk?$\ }
U S^% $Z: xATx2*@X2 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
(qn=BPI ~(kEGEF 1.1 取当前年月日时分秒
osV6= currentTime=System.DateTime.Now;
GT{4L]C /A_:`MAZ 1.2 取当前年
h*w9{[L int 年= DateTime.Now.Year;
1;B~n5C. \aSP7DzqQ 1.3 取当前月
{kpad(E int 月= DateTime.Now.Month;
I{Du/"r# n,I3\l9 1.4 取当前日
.Rr^AGA4 int 日= DateTime.Now.Day;
%9-^,og D(b01EQ;d 1.5 取当前时
r. 82RoG?G int 时= DateTime.Now.Hour;
E@}F^0c ?Uql30A 1.6 取当前分
U}92%W? int 分= DateTime.Now.Minute;
hBgE%#`s g 9,"u_ 1.7 取当前秒
F^,:p.ihm< int 秒= DateTime.Now.Second;
$]7f1U_e Mj0,Y#=76 1.8 取当前毫秒
ZmK=8iN9J int 毫秒= DateTime.Now.Millisecond;
tE*BZXBlm ||+~8z#+, 28.自定义分页代码:
2mLZ4r>WE @K;b7@4y 先定义变量 :
`}X3f#eO& public static int pageCount; //总页面数
y
oW~ public static int curPageIndex=1; //当前页面
.?}M(mL c*KE3: 下一页:
EJ:O 1 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
CKAd\L {
GDu^P+^ DataGrid1.CurrentPageIndex += 1;
8Vu@awz{L curPageIndex+=1;
3,PR6a,b' }
z/t|'8f I0XJ&P% bind(); // DataGrid1数据绑定函数
(/y8KG3 .Fb#j+Lq 上一页:
&V4Zmn?UU if(DataGrid1.CurrentPageIndex >0)
~yv7[`+Tgg {
b]u$!W DataGrid1.CurrentPageIndex += 1;
Xhe& "rM curPageIndex-=1;
Emlj,c<?j }
*)m:u : 5c- P lm% bind(); // DataGrid1数据绑定函数
Dka,v Q)75?mn 直接页面跳转:
yan^\)HZ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
\Qml~?$@lH tYA@J[" ^ if(a<DataGrid1.PageCount)
/x3*oO1 {
H cmW this.DataGrid1.CurrentPageIndex=a;
1>(EvY}Y\ }
R"ON5,E G,C`+1$* bind();
*6I$N>1 qu B[S)2} 29.DataGrid使用:
5 -i,Tx&: 9f~qD&~ 添加删除确认:
fPeS; private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*p/,Z2f {
^h?fr` foreach(DataGridItem di in this.DataGrid1.Items)
@O"7@%nu {
zgD?e?yPO if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
tN#C.M7.'7 {
C?qRZB+W# ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
xG!~TQ }
^ ` LqNG }
P2n8H Fi }
cSL6V2F *\ii+f- 样式交替:
; Y/nS ListItemType itemType = e.Item.ItemType;
j!+jLm!l %q5dV<X'c if (itemType == ListItemType.Item )
[,;Y5#Y[5 {
!*]i3 ,{7v e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
sL@\,]Y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
SZGR9/*^ }
BX_yC=S else if( itemType == ListItemType.AlternatingItem)
ns~]a:1yh {
?%3dgQB' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
; Z:[LJd e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
8Lgt }
UPtj@gtcY `v-[& 添加一个编号列:
~'M<S=W DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
21TR_0g&< DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
u
X,n[u L{/%
"2> for(int i=0;i<dt.Rows.Count;i++)
O Z
./suR) {
jNj;#C) dt.Rows["number"]=(i+1).ToString();
IuY9Q8 }
|WB-N g oAO{4xP DataGrid1.DataSource=dt;
7z?;z<VJ DataGrid1.DataBind();
E#!N8fQ kN=&" DataGrid1中添加一个CheckBox,页面中添加一个全选框
|r~ u7U\ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
`r$7Cc$C {
]i
{yJ)i foreach(DataGridItem thisitem in DataGrid1.Items)
b8d0]YS {
q,Gymh; ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
puPI^6y% }
\'~
E%=Q }
Jc":zR@5 O9daeIF0# 将当前页面中DataGrid1显示的数据全部删除
GDSV:]hL foreach(DataGridItem thisitem in DataGrid1.Items)
}=X: F1S {
o`f^ m if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
ZLjAhd) {
?NwrdcQ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
3\W/VBJJ Del (strloginid); //删除函数
,rMDGZm? }
<AU*lLZ }
_ [k
\S|iY z~Q=OPCnY 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
aL1%BGlmZ< ||hQ*X<m> 在Application_Start中添加以下代码:
VAiJL Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
M5{#!d}^D AppSettings["ConnStr"].ToString();
1.14tS-}[4 w_{tS\ 31. 变量.ToString()
!(lcUdBd Zv!`R($ 字符型转换 转为字符串
zRna=h! 12345.ToString("n"); //生成 12,345.00
M\{n+r-m 12345.ToString("C"); //生成 ¥12,345.00
MtkU]XKGT 12345.ToString("e"); //生成 1.234500e+004
&nIu^,. 12345.ToString("f4"); //生成 12345.0000
F85_Lz4 12345.ToString("x"); //生成 3039 (16进制)
'=0}2sF> 12345.ToString("p"); //生成 1,234,500.00%
|aDBp ~N!HxQ 32、变量.Substring(参数1,参数2);
k6C XuU ;VE y{%nF 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
F! !HwI 6]v} 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
~5,^CTAM <SCRIPT language="javascript">
MZGhN
brd <!--
l5-[a function gook(pws)
!<M
eWo {
%jtUbBN frm.submit();
BwT[SI<Sg }
7}&:07U //-->
c'2/ C5 ujV{AF`JfB </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
N,TV?Q5l7 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
v@zi?D K <tr>
BAQ-1kSz <td>
%jHm9{|X <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
.I:rb~& <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
>[ B.y <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
"0HUaU,e JY <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
~/G)z?+E <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
AERJ]$\
aDdxR: </td>
*$=i1w LwB1~fF </tr>
mGE!,!s} h]<S0/ </form>
t^'nh
1= E !!,JnU 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
=e6pv# {VAih-y 下面是获取用户输入的登陆信息的代码:
p{Q6g>?[ string name;
c~hH
7/v name=Request.QueryString["EmailName"];
M|blg!j; |O(>{GH try
t9`{^<LH {
m]jA( int a=name.IndexOf("@",0,name.Length);
EL~$7 J f_user.Value=name.Substring(0,a);
IWE([<i}i[ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
mI8EeMa{ f_pass.Value=Request.QueryString["Psw"];
`Na()r$T }
]nsjYsT D_lRYLA+ catch
dWd%>9}
{
S1$^ _S
= Script.Alert("错误的邮箱!");
+@ChZ Server.Transfer("index.aspx");
%"`p&aE: }