1. 打开新的窗口并传送参数:
j3w~2q"r @fo(#i& 传送参数:
;A"i.:ZT response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
q2B'R !Y UT* 接收参数:
Q rSO%Rm1* string a = Request.QueryString("id");
A;ZluQ string b = Request.QueryString("id1");
K(MZ!>{ $M-"az] 2.为按钮添加对话框
rFC9y o Button1.Attributes.Add("onclick","return confirm(’确认?’)");
23=wz%tF button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
v%`k*n': E<B/5g! 3.删除表格选定记录
m#Z9wf] F int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
*}HDq(/>w string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
F@t\D? w"M!**bP 4.删除表格记录警告
4M>]0%3.D private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
'dQGb-<_< {
$i8oLSRV switch(e.Item.ItemType)
It 3@
Cd> {
mDwuJf8} case ListItemType.Item :
8EiS\$O- case ListItemType.AlternatingItem :
pkG8g5(w case ListItemType.EditItem:
BB1_EdoG TableCell myTableCell;
0V"(}!=2a myTableCell = e.Item.Cells[14];
s&WE' LinkButton myDeleteButton ;
Qd3ppJn myDeleteButton = (LinkButton)myTableCell.Controls[0];
3M[d6@a myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
SJ8
~:"\P break;
lnMU5[g{ default:
="@f~~ break;
HCktgL:E= }
c0jTQMe4yl [ot+EA }
%dmQmO, I L&PN`# 5.点击表格行链接另一页
u[wDOw private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
xw~oR|`U {
_iqaKYT$ //点击表格打开
-yIx:*KI if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
n]l3
)u e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
7we='L&R }
/ 8dRql-Ne SZxnYVY 双击表格连接到另一页
HsG3s?* 44^jE{,9 在itemDataBind事件中
] : ](xW% if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!YM:?%B {
~:0U.v_V string OrderItemID =e.item.cells[1].Text;
h}m9L!+n8 ...
0'5N[Bvp e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
u8x#XESR7 }
'vZWkeo [w FK!? 双击表格打开新一页
=jG."o if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sA"B/C|(g {
\<}e?Yx% string OrderItemID =e.item.cells[1].Text;
uXGAcUx( ...
loyhNT= e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
a|dn3R>vX }
&$pQ Jf dZd]p8 ★特别注意:【?id=】 处不能为 【?id =】
?|hYtV 6.表格超连接列传递参数
[].euDrX <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
K9RRY,JB <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
&6\E'bBt >T14
J'\ 7.表格点击改变颜色
y]k{u\2A if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
'2p,0Bk9i {
p{0rHu[ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
%NhZTmWm this.style.color=’buttontext’;this.style.cursor=’default’;");
0)vX
}
m$'ZiS5 p@YbIn 写在DataGrid的_ItemDataBound里
1R.6Xer if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
@zsqjm {
_ ^0UK|[ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
}f6_7W%5 this.style.color=’buttontext’;this.style.cursor=’default’;");
*@ S+J$ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
P>]*pD }
I<&) P#" @Rqn&tA8 =#I/x=L: 8.关于日期格式
]PH'G>x 9$R}GK 日期格式设定
~#rmw6y DataFormatString="{0:yyyy-MM-dd}"
T' )l s%zdP 我觉得应该在itembound事件中
s<LYSr d e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
(=Lx9-u 40;4= 9.获取错误信息并到指定页面
O
0P4uq baR*4{] 不要使用Response.Redirect,而应该使用Server.Transfer
V9D>Xh!0H =kW7|c5Z e.g
5q}7#{A // in global.asax
2J6(TrQ protected void Application_Error(Object sender, EventArgs e) {
s%l^zA( if (Server.GetLastError() is HttpUnhandledException)
6l(HD([_p Server.Transfer("MyErrorPage.aspx");
q+9c81b Q,>]f@m //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
{@X)=.Zf }
_$gP-J S1*xM 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
P[gYENQ kK]L(ZU+ 10.清空Cookie
T$Rf Cookie.Expires=[DateTime];
to] ~$~Q|> Response.Cookies("UserName").Expires = 0
}}d,xI WSx0o} 11.自定义异常处理
$?|$uMIafp //自定义异常处理类
tNDv[IF using System;
srIt_Wq using System.Diagnostics;
>yt8gw0J e6'y S81 namespace MyAppException
AUm5$;o,/ {
%Wg8dy| /// <summary>
WP?AQD /// 从系统异常类ApplicationException继承的应用程序异常处理类。
1n>(CwLG" /// 自动将异常内容记录到Windows NT/2000的应用程序日志
r)f+j@KF /// </summary>
Wtj*Z.=: public class AppException:System.ApplicationException
3c[TPD_: {
3ZL<6`Y F public AppException()
8]% e[ {
Ob
h@d| if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
/V E|F Ts }
3m/XT"D +)e+$
l public AppException(string message)
|il P>b {
Zopi;O J LogEvent(message);
`z6I][Uf }
bb`8YF+?' ;Z-%'5hKM public AppException(string message,Exception innerException)
,\ zx4* {
qbD[<T LogEvent(message);
IFW"SfdZk if (innerException != null)
zXv2plw( {
bG!/%,s LogEvent(innerException.Message);
:Mnl 1;oh }
d`J~w/]
`\ }
5P![fX|5 v4X)R
"jJ //日志记录类
1c*XmMB using System;
cFloaCz using System.Configuration;
A0gRX] using System.Diagnostics;
)s>R~7 using System.IO;
ECvTmU'= using System.Text;
u:%Ln_S using System.Threading;
\ H!Klp `:YCOF namespace MyEventLog
g3vR\?c` {
G Y+li{ /// <summary>
{1J4Q[N9m /// 事件日志记录类,提供事件日志记录支持
h=MEQ-3jg /// <remarks>
-~`)V`@ /// 定义了4个日志记录方法 (error, warning, info, trace)
=]W[{@P /// </remarks>
f2Z(hYH~ /// </summary>
+;N;r/d_i public class ApplicationLog
?4YLt|sn {
D Ax1 /// <summary>
|sPUb;&~ /// 将错误信息记录到Win2000/NT事件日志中
Yp;?Zq9 /// <param name="message">需要记录的文本信息</param>
J42/S [Rt /// </summary>
>AUzsQ public static void WriteError(String message)
`z<I< {
2 UPG8] WriteLog(TraceLevel.Error, message);
BKd?%V8:Q }
+W}6o3x~ V5bB$tL}3 /// <summary>
LHd9q^D /// 将警告信息记录到Win2000/NT事件日志中
*w[0uQL5Z /// <param name="message">需要记录的文本信息</param>
NbUbLzE /// </summary>
M. fA5rJ^ public static void WriteWarning(String message)
"{M?,jP# {
$9?<mP2-* WriteLog(TraceLevel.Warning, message);
hf< [$B }
ugS @k||gQqIB /// <summary>
Z90]I<a~ /// 将提示信息记录到Win2000/NT事件日志中
Nd%j0lj /// <param name="message">需要记录的文本信息</param>
=&roL7ps /// </summary>
t-)d*|2n}o public static void WriteInfo(String message)
]Yk)A.y {
;]^% 6B n WriteLog(TraceLevel.Info, message);
-Rbv#Y }
*b\&R%6dR /// <summary>
f}w_]l#[G /// 将跟踪信息记录到Win2000/NT事件日志中
K aNO&%qX /// <param name="message">需要记录的文本信息</param>
J1@skj4#\~ /// </summary>
!:M+7kmr7t public static void WriteTrace(String message)
KLgg([ {
yVgHu#?PM WriteLog(TraceLevel.Verbose, message);
(W+aeB0 }
|Ju d*z lYhC2f
m_ /// <summary>
ZhY03>X /// 格式化记录到事件日志的文本信息格式
>- U+o.o /// <param name="ex">需要格式化的异常对象</param>
{fS~G2@1 /// <param name="catchInfo">异常信息标题字符串.</param>
|X;|=. /// <retvalue>
y'm5Z-@o6 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
0?O$->t /// </retvalue>
b!`{fwV /// </summary>
qpV"ii public static String FormatException(Exception ex, String catchInfo)
/n1L},67h {
I*H($ a StringBuilder strBuilder = new StringBuilder();
QVo>Uit if (catchInfo != String.Empty)
1\-r5e; BE {
x%T.0@!8 strBuilder.Append(catchInfo).Append("\r\n");
-.l.@ }
Q2<v: *L strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
%#C9E kr return strBuilder.ToString();
2BV]@]qB }
B0D jGe%'AN\ /// <summary>
qIvnPaYW /// 实际事件日志写入方法
[G'
+s /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
4|;Ys-Q /// <param name="messageText">要记录的文本.</param>
$+$4W\-=X /// </summary>
vL8Rg} Jh4 private static void WriteLog(TraceLevel level, String messageText)
zJo?,c {
F(|XJN try
XvVi)`8!u {
+`uNO<$~f EventLogEntryType LogEntryType;
=:'\wx
X switch (level)
k{D0& {
__}ut+H^5p case TraceLevel.Error:
l"/E,X LogEntryType = EventLogEntryType.Error;
&pW2R} break;
5}Z>N,4 case TraceLevel.Warning:
fGoJP[ae LogEntryType = EventLogEntryType.Warning;
&cwN&XBY break;
`RXlqj#u case TraceLevel.Info:
ch33+~Nn LogEntryType = EventLogEntryType.Information;
$i%#fN break;
"EwzuM8f case TraceLevel.Verbose:
8J:=@X^} LogEntryType = EventLogEntryType.SuccessAudit;
% _nmv break;
kLc@U~M default:
R]3j6\ LogEntryType = EventLogEntryType.SuccessAudit;
aNP\Q23D break;
d|>/eb.R }
2}15FXgN '3?-o|v@D EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
opTH6a //写入事件日志
WjOP2CVv| eventLog.WriteEntry(messageText, LogEntryType);
#HZ W57" e8S4=W }
Up0kTL catch {} //忽略任何异常
i6<uj }
AG><5 } } //class ApplicationLog
2D/bMq }
5=
T$h;O ),Hr 12.Panel 横向滚动,纵向自动扩展
rE]Nr ;Ys <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
pog E;wT4 T= 13.回车转换成Tab
ZsSW{ffZ77 <script language="javascript" for="document" event="onkeydown">
i|m8#*Hd if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
2#/23(Wc event.keyCode=9;
*Qyu
QF </script>
&4ndi=.#rg (I/iD.A onkeydown="if(event.keyCode==13) event.keyCode=9"
]-_ ma #}l$<7ZU 14.DataGrid超级连接列
_}F_Q5) DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
}QBL{\E! _0UE*l$t 15.DataGrid行随鼠标变色
=J|jCK[r private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
) ]DqK<- {
0s79rJ if (e.Item.ItemType!=ListItemType.Header)
d0R;|p''Z {
bM.$D-?dF* e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
e ?FQ6? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
oW^>J- }
+\$c_9|C+ }
X *EseC c\/-*OYr< 16.模板列
_>ZC;+c? <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
@Ne&%F?^Z <ITEMTEMPLATE>
wY ??#pS <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
X&IT s </ITEMTEMPLATE>
LH.Gf </ASP:TEMPLATECOLUMN>
ix$
^1( >'4$g7o, <ASP:TEMPLATECOLUMN headertext="选中">
'T$Cw\F& <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
T?RN} @D <ITEMTEMPLATE>
O(VWJ@EHn <ASP:CHECKBOX id="chkExport" runat="server" />
t2Jf+t_B7 </ITEMTEMPLATE>
4>OS2b`.; <EDITITEMTEMPLATE>
/:ZwGyT; <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
(:F]@vT </EDITITEMTEMPLATE>
~f"3Wa*\B </ASP:TEMPLATECOLUMN>
kR3wbA vxOnv8( 后台代码
(E7"GJ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
&nwS7n1eb {
EIfqRRTA //改变列的选定,实现全选或全不选。
]#W7-Q;] CheckBox chkExport ;
H4sW%nZ0 if( CheckAll.Checked)
V^4v`}Wgx {
;u[:J foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
d2d8,Vg {
&n6L;y- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
dm]g:KWg chkExport.Checked = true;
RN|Bk }
u})*6 l. }
mln4Vl(l2M else
(>E/C^Tc% {
#d*0
)w foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
RyU8{-q {
5*+DN
U@ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
q*5L", chkExport.Checked = false;
7VG*Wu }
-agB ]j }
hW'b'x< }
v\CBw" A FBH(ms't 17.数字格式化
j}d):3! mZc; n.$U 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
ITg:OOQ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
lJN#_V0qW rsa_)iBC int i=123456;
U;IGV~oT string s=i.ToString("###,###.00");
MgJ5FRQ Ook\CK*nKe 18.日期格式化
CM$&XJzva ju3@F8AI 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
:*BN>*1^\r :3XvHL0rx 显示为: 2004-8-11 19:44:28
_'17C/ lZ)6d-vK 我只想要:2004-8-11 】
F_g(}wE#
q <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
]n>9(Mp!M s,f2[6\ Y 应该如何改?
ms;zC/ ,9}JPv4Z 【格式化日期】
a'/C)fplL G6qZ>-GiL 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
8_w6% md 'jMs& 【日期的验证表达式】
-:pVDxO ]
Ok &%- A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
/4OQx0Xmm ^((\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})))?$
B9y5NX FyWf`XTO B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
}yn%_KQ0 ^\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]))$
gK;dfrU.8Y qoH:_o8ClO 【大小写转换】
{5D%<Te HttpUtility.HtmlEncode(string);
aMGh$\Pg HttpUtility.HtmlDecode(string)
.a :7|L#a GM9[ 0+u; 19.如何设定全局变量
SP<Sv8Okj \m}a%/ Global.asax中
<}A6 )=T \)wVO*9*0 Application_Start()事件中
v;5-1 Q]GS#n 添加Application[属性名] = xxx;
ks("(
nU 5de1r B| 就是你的全局变量
=liyd74%` /m;Bwu 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
+X+R8 h*D -Vo HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
v;G/8>GRy u/wX7s 【ASPNETMENU】点击菜单项弹出新窗口
W`JI/ 1 oKY7i$ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
OmZZTeGg1s <?xml version="1.0" encoding="GB2312"?>
iG"v <MenuData ImagesBaseURL="images/">
.sQV0jF { <MenuGroup>
!`7evV: <MenuItem Label="内参信息" URL="Infomation.aspx" >
x1`(Z|RJ <MenuGroup ID="BBC">
o6|-
:u5_/ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
lH`c&LL-=! <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
"Dk@-Ac ......
*0@Z+'M? jg'"?KSU~ 最好将你的aspnetmenu升级到1.2版
D4(73 frm[<-~ w0 21.读取DataGrid控件TextBox值
Yc-5Mr8*, foreach(DataGrid dgi in yourDataGrid.Items)
E&z^E2 {
YU0pWM TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Iurz?dt4w tb.Text....
BR?DW~7J j }
W^Fkjqpv fV7
k {dR 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?
2?Ryk`2i) p=eSJ* 〖思归〗
"k <asp:TemplateColumn HeaderText="数量">
;nbEV2Y< <ItemTemplate>
e@vZg8Ie <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
|}e"6e% onkeyup="javascript:DoCal()"
uEr.LCAS />
R\n@q_!`X #P z'-lo <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
CE </ItemTemplate>
muF&t'k </asp:TemplateColumn>
:jkPV%!~ fj(WHL <asp:TemplateColumn HeaderText="单价">
@ YWuWF <ItemTemplate>
2Hx*kh2 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
yB*aG onkeyup="javascript:DoCal()"
/8`9SS />
@>~S$nw/ UHi^7jQ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Zn.S65J*u E=S_1 </ItemTemplate>
sA: /!9 </asp:TemplateColumn>
5syzh
S ak3WER|f# <asp:TemplateColumn HeaderText="金额">
1 YtY= <ItemTemplate>
R6>*n!*D@ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
&1=,?s]& </ItemTemplate>
Fd80T6[ </asp:TemplateColumn><script language="javascript">
`LIlR8&@aX function DoCal()
WTt
/y\'6 {
~e,K var e = event.srcElement;
`Has3AX8 var row = e.parentNode.parentNode;
1
rbc}e var txts = row.all.tags("INPUT");
F$JA
IL{W if (!txts.length || txts.length < 3)
*"F*6+}w" return;
n31nORx50 l,A\]QDvl var q = txts[txts.length-3].value;
F3Da-6T@ var p = txts[txts.length-2].value;
o!y<:CGL u|EJ)dT? if (isNaN(q) || isNaN(p))
^dxy%*Z/ return;
.g}Y!
l U;.cXU{ q = parseInt(q);
@N>rOA p = parseFloat(p);
R~TG5^( c[OQo~m$ txts[txts.length-1].value = (q * p).toFixed(2);
\[+':o`LH }
biffBC:q </script>
X88I|Z'HIh flBJO.2 +{)V%"{u: N;m62N OQuTM[W 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。
!a'{gw page_load
hE2{m{^A page.smartNavigation=true
T z+Y_ RhjU^,% 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 ?
4HXNu, T' private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
V+*1?5w {
a5@lWpQsV for(int i=0;i<e.Item.Cells.Count-1;i++)
a[lx&CHgI if(e.Item.ItemType==ListItemType.EditType)
J/ vcP {
tE=$# e.Item.Cells.Attributes.Add("Width", "80px")
dUceZmAl }
><6g-+*k }
ooYs0/,{ 9 &Od7Cn
26.对话框
<lSo7NkR private static string ScriptBegin = "<script language=\"JavaScript\">";
IifH=%2Y private static string ScriptEnd = "</script>";
}
/Iw]!lK2 &gm/@_ public static void ConfirmMessageBox(string PageTarget,string Content)
1;MUemnx` {
qRZLv7X*j string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
,76nDXy` KR4 RIJZ_t ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
@|~D?&<\ `jDmbD
+= Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
;wr]_@<~ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
lCK:5$
z0 //Response.Write(strScript);
(]<G)+* }
SY2((!n._ R&}{_1dj8 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Z:MU5(Te =(5}0}j 1.1 取当前年月日时分秒
YwB\kN currentTime=System.DateTime.Now;
t4iV[xl3F RveMz$Yy 1.2 取当前年
04z2gAo int 年= DateTime.Now.Year;
9n".Q-V;k ;\+A6(GX{ 1.3 取当前月
0`e- ; int 月= DateTime.Now.Month;
rMUQh~a/ `qbsDfq@ 1.4 取当前日
Tq >?.bq9 int 日= DateTime.Now.Day;
JvLa@E) :cTwp K 1.5 取当前时
Dr"F5Wbg int 时= DateTime.Now.Hour;
gB#$"mq, ~48mCD 1.6 取当前分
TqMy">> int 分= DateTime.Now.Minute;
4dvuw{NZ V6
,59 1.7 取当前秒
)'?@raB! int 秒= DateTime.Now.Second;
.J|"bs9 ^`!EpO>k9 1.8 取当前毫秒
o"A%dC_ int 毫秒= DateTime.Now.Millisecond;
nF|m*_DW <0)@Ikhx 28.自定义分页代码:
uI[lrMQYa $;+`sVG 先定义变量 :
o//PlG~ public static int pageCount; //总页面数
T k>N4yq public static int curPageIndex=1; //当前页面
$yg}HS7HC !7[Rhk7bW 下一页:
ldm=uW if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
l.i&.;f {
C{):jH,Rf DataGrid1.CurrentPageIndex += 1;
y#;@~S1W curPageIndex+=1;
[mk!]r }
0IjQqI "Mmvf'N bind(); // DataGrid1数据绑定函数
Ndx ]5 4;d9bd)A 上一页:
PfVjfrI[ if(DataGrid1.CurrentPageIndex >0)
=2[cpF] {
>U$,/_uMNW DataGrid1.CurrentPageIndex += 1;
[&FWR curPageIndex-=1;
M0% ):P?x }
xpVYNS{c+| /ZKO\q bind(); // DataGrid1数据绑定函数
~A=Z/46*Z ;HaG-c</ 直接页面跳转:
O ijG@bI8 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
*tT}y(M L$FLQyDR if(a<DataGrid1.PageCount)
r0\cgCn {
~3 z10IG this.DataGrid1.CurrentPageIndex=a;
eq\{*r"DCK }
O-vvFl#4 kST bind();
R:v`\ "I]% aK0 29.DataGrid使用:
yeNC-U< 5ff66CRw 添加删除确认:
Fu (I<o+T- private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
asI:J/%+2 {
4o2C=?@( foreach(DataGridItem di in this.DataGrid1.Items)
&sQtS {
ghiFI<)VY if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
wLC|mByq {
A`Bg"k:D ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
.HG0%Vp }
,Tyh._sa }
c;bp[Y3R }
dDy9yw%f? _,;c2 样式交替:
w_I}FPT<(: ListItemType itemType = e.Item.ItemType;
Aj4i}pT &`63"^y if (itemType == ListItemType.Item )
X Jy]d/ {
_A\c 6# e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
}T+pd#> e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
7@Qz }
G?d28p',. else if( itemType == ListItemType.AlternatingItem)
z6R<*$4 {
*Ta*0Fr=9| e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
E7axINca e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
]baO{pJi }
u<\/T&S #x&1kHu< 添加一个编号列:
F
3}cVO2bY DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
P{)eZINlE DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
!T|X/BR TP oP%Yj" for(int i=0;i<dt.Rows.Count;i++)
70m}+R(` {
y_8 8I:O dt.Rows["number"]=(i+1).ToString();
VHB5 }
>9|/sH@W >+fet , DataGrid1.DataSource=dt;
?!~CX`eMZ DataGrid1.DataBind();
(Y!@,rKd a3037~X DataGrid1中添加一个CheckBox,页面中添加一个全选框
#f~#38_ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Uw][ U {
Ohnd:8E foreach(DataGridItem thisitem in DataGrid1.Items)
&}%3yrU {
B}YB%P_CWs ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
z}N=Oe }
\=4[v-3H }
p}}o#a~V), icHc!m? 将当前页面中DataGrid1显示的数据全部删除
4RNB\D foreach(DataGridItem thisitem in DataGrid1.Items)
Hc4]2pf {
cyG3le& +G if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Qg9 N?e{z {
}0|,*BkI
m string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
KyNv)=x4c Del (strloginid); //删除函数
\
M8;CN }
}ruBbeQ }
x2[A(O= B9n$8QS 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)
IiIF4 pQ, ~(%nnG6x 在Application_Start中添加以下代码:
S!k cC-7 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
o6ec\v!l- AppSettings["ConnStr"].ToString();
+PY LKyS> &aaXw?/zr 31. 变量.ToString()
sUcx;<|BC -D0kp~AO4N 字符型转换 转为字符串
*<zfe. 12345.ToString("n"); //生成 12,345.00
Sim\+SL{# 12345.ToString("C"); //生成 ¥12,345.00
}^^X-_XT 12345.ToString("e"); //生成 1.234500e+004
0S;H`w_S 12345.ToString("f4"); //生成 12345.0000
AY{caM 12345.ToString("x"); //生成 3039 (16进制)
?x"<0k1g 12345.ToString("p"); //生成 1,234,500.00%
Id(L}i(X {d(@o!;Fi 32、变量.Substring(参数1,参数2);
frk(2C8T $+)SW{7 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);
@]t} bF] ;zIAh[z 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)
u)MdFz <SCRIPT language="javascript">
B3]q*ERAo <!--
NB;8 e>8 function gook(pws)
noC]&4b {
!&Vp5]c frm.submit();
,[%KSyH }
|#Bz&T //-->
G@ XKE17 _K3?0<=4 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
NSUw7hnWvz <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
k/?5Fs!# <tr>
znzh$9tH <td>
a1_7plg <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
OW\r } <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
gh|TlvnA <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
m@R!o )Y+n4UL3NK <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
X<m#:0iD <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
[*Nuw_l VChNDHiH </td>
)"2)r{7: U@!e&QPn </tr>
+LCpE$H nc!P
!M </form>
o
nt8q8 D$+9` 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
T$)&8"Xya +Fp8cT=1 下面是获取用户输入的登陆信息的代码:
Fx*iAH\e string name;
H[UV]qO, name=Request.QueryString["EmailName"];
-uXf?sTV (;;%B = try
*Fb]lM7D {
+hI:5(_ int a=name.IndexOf("@",0,name.Length);
Va"Q1 *" f_user.Value=name.Substring(0,a);
fgK1+sW f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Pk !RgoWF f_pass.Value=Request.QueryString["Psw"];
Eq=~S O% }
[QEV6S] \wEHYz catch
c"Ddw'?e {
$n\{6Rwb Script.Alert("错误的邮箱!");
1%68Pnqk Server.Transfer("index.aspx");
ABw:SQ6=Q }