1. 打开新的窗口并传送参数:
z KG]7 2qKAO/_O 传送参数:
G#'G9/Tm response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
*vzj(HGO gaL.5_1 接收参数:
K5+ONA<c string a = Request.QueryString("id");
5Ak>/QF9 string b = Request.QueryString("id1");
]}_Ohe]X Az(J @ 2.为按钮添加对话框
/"1[qT\F Button1.Attributes.Add("onclick","return confirm(’确认?’)");
zn\$6'" button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
).$kp2IN ]k.YG!$ 3.删除表格选定记录
p!K]c D int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
P$`k*
v string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
&=.7-iC|W m W4tW 4.删除表格记录警告
6~8dMy;w private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
@Z9>E+udQ {
}iB>3|\ switch(e.Item.ItemType)
<>=abgg {
twPD'X!r case ListItemType.Item :
\3j4=K'nE case ListItemType.AlternatingItem :
l-[5Zl;" case ListItemType.EditItem:
0LUw TableCell myTableCell;
U }}E
E~W myTableCell = e.Item.Cells[14];
n(Ry~Xu_ LinkButton myDeleteButton ;
[>kzQYT[ myDeleteButton = (LinkButton)myTableCell.Controls[0];
FzFP 0 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
FOX0 break;
gAy"W$F default:
DEKO]i break;
t~]tw }
3W?H^1t DEpn> }
=,W~^<\" 8';huq@C{ 5.点击表格行链接另一页
/KCIb:U private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
H^w Inkf> {
_We4% //点击表格打开
6J\A%i if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
95 X6V e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
KWT[b? }
ebB8.(k9G3 0J9Ub
双击表格连接到另一页
GG`;c?d@ =xHzhh 在itemDataBind事件中
7C^W <SUo if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
dv\aP {
'ewVn1ME[ string OrderItemID =e.item.cells[1].Text;
#K[6Ai=We} ...
VK$s+" e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
n0'"/zyc }
e&XJK*Wf %0Ke4c 双击表格打开新一页
)%(H'omvl if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
TZ@S?r>^ {
uB3Yl=P string OrderItemID =e.item.cells[1].Text;
@>hXh
+!2h ...
>U[YSsFt6 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
u]QG^1.qYe }
JztSP? o7s<G8;? ★特别注意:【?id=】 处不能为 【?id =】
v@]\
P<E 6.表格超连接列传递参数
QU^?a~r <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
w<=-n;2 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
se]QEd7]7 ln=:E$jX 7.表格点击改变颜色
w,zgYX& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
KH76Vts {
WEugm603 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
,[ M^rv this.style.color=’buttontext’;this.style.cursor=’default’;");
r*4@S~; }
[5jXYqD=vj 1FmqNf:V7I 写在DataGrid的_ItemDataBound里
ST^{?Q if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
o^&nkR {
cP (is! e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
tY$4k26 this.style.color=’buttontext’;this.style.cursor=’default’;");
}h_=
n> e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
'9q:gFO }
|th"ET 's6hCs&|NV 23[X mBf 8.关于日期格式
^Dw18gqr=@ ZuQ\Pyx 日期格式设定
W&Gt^5 DataFormatString="{0:yyyy-MM-dd}"
&Kc'g H u}IQ)Ma 我觉得应该在itembound事件中
5QJFNE e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
BvV!?DY4 )qV&sru.$ 9.获取错误信息并到指定页面
LDv>hzo )1S"D~j- 不要使用Response.Redirect,而应该使用Server.Transfer
\{M/Do: 5Gsjt+
o e.g
[+Y;w`;Fq // in global.asax
SB2Ij', protected void Application_Error(Object sender, EventArgs e) {
e`D? x1- if (Server.GetLastError() is HttpUnhandledException)
/2e,,)4g Server.Transfer("MyErrorPage.aspx");
dW>$C_`? ;tu2}1#r //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
?>o|H-R~5Z }
+c_8~C [}bPkD Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
7FD.3/ 7[u$!.4{* 10.清空Cookie
WL/9r
*jW Cookie.Expires=[DateTime];
"f<+~ Response.Cookies("UserName").Expires = 0
W0>fu> )MJy 11.自定义异常处理
AIa#t#8${ //自定义异常处理类
(dVrGa54 using System;
0] $5jW6] using System.Diagnostics;
/N82h`\n 2k3yf_N namespace MyAppException
meNz0ve
{
`di/nv) /// <summary>
BY^5z<^. /// 从系统异常类ApplicationException继承的应用程序异常处理类。
O/2Jz /// 自动将异常内容记录到Windows NT/2000的应用程序日志
p?zh4:\F+ /// </summary>
C1KO]e > public class AppException:System.ApplicationException
o@g/,V $ {
s.G6?1VXlY public AppException()
j8"2K^h= {
1|zy6 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
9
]W4o" }
w_eUU)z "sU ~| public AppException(string message)
[O"8Tzr {
fKZgAISF LogEvent(message);
jIs2R3B }
y?s8UEC Nt#a_ public AppException(string message,Exception innerException)
'+{dr\nJ {
l]o)KM< LogEvent(message);
PC}m.tE if (innerException != null)
SQd`xbIuL {
iNAaTU LogEvent(innerException.Message);
z7P]g
C$\ }
=q-HR+ }
^U4|TR6mub Z6vm!#\ //日志记录类
h8lI#Gs using System;
pe1 _E
KU using System.Configuration;
rv?d3QqIC using System.Diagnostics;
~NtAr1 using System.IO;
qxe%RYdA'j using System.Text;
8^Ov.$rP using System.Threading;
j,/t<@S> L7lRh=D namespace MyEventLog
E[RLBO[*n {
a\PvRW*I /// <summary>
M :Aik& /// 事件日志记录类,提供事件日志记录支持
pD>^Dfd /// <remarks>
Ma`Goi\vFk /// 定义了4个日志记录方法 (error, warning, info, trace)
?hQ,'M2 /// </remarks>
WaRYrTDv64 /// </summary>
1"82JN|! public class ApplicationLog
M%NapK {
?~5J!|r# /// <summary>
9w! G /// 将错误信息记录到Win2000/NT事件日志中
S(f V ,;Z /// <param name="message">需要记录的文本信息</param>
8?7gyp!k_f /// </summary>
Ag!#epi{0 public static void WriteError(String message)
GCgpe(cQ {
a~-^$Fzgy WriteLog(TraceLevel.Error, message);
S3k>34_%9 }
E |A,NPf%I T?Dq2UW /// <summary>
xf.2Ig /// 将警告信息记录到Win2000/NT事件日志中
>xt*( j&} /// <param name="message">需要记录的文本信息</param>
5E+k}S]M$ /// </summary>
KQ x<{-G6 public static void WriteWarning(String message)
+i[w& P {
:a4FO WriteLog(TraceLevel.Warning, message);
F& 'HZX }
Um$a9S8b& ymsqJ /// <summary>
}bs2Rxkh /// 将提示信息记录到Win2000/NT事件日志中
cCj pQ /// <param name="message">需要记录的文本信息</param>
A<&:-Zz /// </summary>
D?w-uR%Y public static void WriteInfo(String message)
2F[;Z*& {
V!SB9t`E WriteLog(TraceLevel.Info, message);
Z)U#5|sf }
;')T}wuq /// <summary>
_z!0ab /// 将跟踪信息记录到Win2000/NT事件日志中
'd"\h# /// <param name="message">需要记录的文本信息</param>
'7<@(HO /// </summary>
,Wp0,>! public static void WriteTrace(String message)
j{nkus2 {
kPVP+}cA WriteLog(TraceLevel.Verbose, message);
diLjUC`69 }
,QpDz{8 A_t<SG5
/// <summary>
O;A/(lPW+ /// 格式化记录到事件日志的文本信息格式
Hf/2KYZ /// <param name="ex">需要格式化的异常对象</param>
"iof -b=ys /// <param name="catchInfo">异常信息标题字符串.</param>
\\D~Yg\# /// <retvalue>
\4SFD3$& /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
'7F`qL\/#( /// </retvalue>
H\kqmPl& /// </summary>
^/Hj^4~_U public static String FormatException(Exception ex, String catchInfo)
wBcDL/(> {
DOXRU5uP3 StringBuilder strBuilder = new StringBuilder();
~~ON!l9n if (catchInfo != String.Empty)
Hc@Z7eQ3^ {
Lh &L5p7 strBuilder.Append(catchInfo).Append("\r\n");
c3lfmTT6^ }
*ihg' strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
w?AE8n$8 return strBuilder.ToString();
n#N<zC/ }
;e0>.7m <C4^Vem /// <summary>
X/1Z9a+W /// 实际事件日志写入方法
<EI'N0~KG /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
T
T0O % /// <param name="messageText">要记录的文本.</param>
v]*W*; /// </summary>
%a/O7s 6 private static void WriteLog(TraceLevel level, String messageText)
e?G*q)l {
,Z%!38gGsu try
[,5clR=F {
-X4`,0y%{O EventLogEntryType LogEntryType;
_<.R \rX& switch (level)
q<JI!n1O {
_>5BFQ_ case TraceLevel.Error:
gWS49*O LogEntryType = EventLogEntryType.Error;
#%e`OA(b break;
U2ANu| case TraceLevel.Warning:
[jumq1 LogEntryType = EventLogEntryType.Warning;
YA^9, q6u? break;
CSU> nIE0 case TraceLevel.Info:
$zCUQthL@ LogEntryType = EventLogEntryType.Information;
g{$&j*Q9 break;
q@(N 38D case TraceLevel.Verbose:
W,agPG\+ LogEntryType = EventLogEntryType.SuccessAudit;
j7-#">YL break;
}qz58]fyx default:
;T52aX LogEntryType = EventLogEntryType.SuccessAudit;
)KRO=~Y break;
q#\eL~k }
n.lp
ena d(a6vEL4 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
<6apv(2a //写入事件日志
g6W.Gl"5\w eventLog.WriteEntry(messageText, LogEntryType);
y+:< cDTDim1F }
GW
$iK@ catch {} //忽略任何异常
<{-DYRiN }
6!Isz1.re } //class ApplicationLog
N7#GK]n%/} }
YgWnPp "Pys3=h 12.Panel 横向滚动,纵向自动扩展
"Ln\ZYB] <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
C1G Wi4) SwP h-6 13.回车转换成Tab
b'-gy0 <script language="javascript" for="document" event="onkeydown">
%n}]$
d if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
M(3E
b;` event.keyCode=9;
6
*8G e </script>
56':U29.] @pkozE- onkeydown="if(event.keyCode==13) event.keyCode=9"
&(.ZHF Ra*9d]N@ 14.DataGrid超级连接列
<bTa88,) DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
"J{,P9P6 5d4-95['_ 15.DataGrid行随鼠标变色
Tf0#+6 1> private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
HRw,D= {
$9J"r9@@ if (e.Item.ItemType!=ListItemType.Header)
Y0hL_46> {
H{GbOI. e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
cL
WM]\Y e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
uPp(l4(+ }
4*dT|NU }
H+0 * uw<Ruy 16.模板列
/n_HUY <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Y.C*|p# <ITEMTEMPLATE>
LQQhn{[D <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
):[[Ch_ </ITEMTEMPLATE>
$Y4
Ao-@ </ASP:TEMPLATECOLUMN>
TM RXl.1 G![1+2p:Tq <ASP:TEMPLATECOLUMN headertext="选中">
D>1Dao <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
! 9N%=6\ <ITEMTEMPLATE>
L'6zs:i <ASP:CHECKBOX id="chkExport" runat="server" />
^Ta"Uk' </ITEMTEMPLATE>
1IsR}uLh <EDITITEMTEMPLATE>
*LhR$(F( <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
)i>KYg w </EDITITEMTEMPLATE>
>%[W2L\' </ASP:TEMPLATECOLUMN>
@O(\TIg ``\H'^{B 后台代码
7:;V[/ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
FJ[(dGKeE {
JEd/j
zR( //改变列的选定,实现全选或全不选。
v]1rH$ CheckBox chkExport ;
N,1wfOE if( CheckAll.Checked)
TUUBC% {
3whyIXs foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
d8K^`k+x {
)Ob{] chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
l{3utQH-=z chkExport.Checked = true;
jW*A(bK8: }
nAYjSE }
WgL!@g else
NdZ:
7 {
{p/m+m foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
\E30.>%, {
{!4%Z9G chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
aD:+,MZ chkExport.Checked = false;
bd9c/>& }
5Tu.2.)N }
:`|,a( }
*5NffiA}- _96&P7 17.数字格式化
JSL 3.J dvf*w:5K! 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
(+@.L7>m+t <%#Container.DataItem("price","{0:¥#,##0.00}")%>
)Qc$UI8L *Zvw&y* int i=123456;
R}]FIu string s=i.ToString("###,###.00");
KXGs'D c2U>89LlZ 18.日期格式化
ZAP+jX;
1Li@O[%X< 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
v$c D!`+k Ob6vg^# 显示为: 2004-8-11 19:44:28
ibq@0CR 4>W`XH 我只想要:2004-8-11 】
G1l( <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
GB=q}@&8p e'`oisJU?q 应该如何改?
N4:'X6u; : ?V; 【格式化日期】
?-f>zx8O Cr`
0C 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
`#]\Wnp~y fS~.K9 【日期的验证表达式】
1m0':n Vdu f.= E. % A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
0v_8YsZ!`$ ^((\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})))?$
g DhwJks A"'MRYT` B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
{
nV zN( ^\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]))$
>&VL2xLy %L/=heBBd 【大小写转换】
(pmo[2kg HttpUtility.HtmlEncode(string);
kpdFb7>| HttpUtility.HtmlDecode(string)
^WNJQg' :QVGY^c 19.如何设定全局变量
Y!L jy
[/ ?Z=v&d[o) Global.asax中
)~/U+,
VPHCPGrk Application_Start()事件中
-:,h8JyMP r>Ln*R,9D
添加Application[属性名] = xxx;
I ?>#neHc6 @K9T )p] 就是你的全局变量
dc05,Bz I?K0bs+6 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
cGp^;> ]M
q0~_D8e, HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
+[ItkfSod! nR7\ o(! 【ASPNETMENU】点击菜单项弹出新窗口
e0L;V@R j1ZFsTFMWp 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
9)">()8 <?xml version="1.0" encoding="GB2312"?>
6fkr!&Dy7 <MenuData ImagesBaseURL="images/">
Cu:Zn% <MenuGroup>
U]|q4!WE <MenuItem Label="内参信息" URL="Infomation.aspx" >
IfcFlXmt2 <MenuGroup ID="BBC">
,<1* <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
6"7qZq <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
z'lNO| nU ......
Iqsk\2W]a3 qC )VT3 最好将你的aspnetmenu升级到1.2版
.N=hA qj&)w9RLJE 21.读取DataGrid控件TextBox值
jO55<s94 foreach(DataGrid dgi in yourDataGrid.Items)
mV,R0olF {
M2}<gRL*}J TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
ZhsZywM tb.Text....
"b
0cj }
aJ8pJ{,P >v[(w1?rX 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?
MbfzGYA2~
qR qy 〖思归〗
GcR`{ 3hO <asp:TemplateColumn HeaderText="数量">
(5~C
_Y <ItemTemplate>
B$l`9!, <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
A ? M]5d onkeyup="javascript:DoCal()"
tWnm{mF />
~8*oGG~s zc+;VtP|8 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
>A&@W p1 </ItemTemplate>
F-^HN% </asp:TemplateColumn>
`VtwKt* <+gl"lG <asp:TemplateColumn HeaderText="单价">
` a>vPW <ItemTemplate>
s3{s.55{m <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
&._!)al onkeyup="javascript:DoCal()"
Db(_T8sU />
Zjg\jo "ILWIzf.] <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
{ah=i8$ *Xoscc </ItemTemplate>
It4z9Gh </asp:TemplateColumn>
U$)Hhn|X C8E C?fSQ <asp:TemplateColumn HeaderText="金额">
/\rq$W_ <ItemTemplate>
<(4#4=ivP <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
(0W}e(D8
</ItemTemplate>
jJZsBOW[8 </asp:TemplateColumn><script language="javascript">
8%<`$`FyU function DoCal()
8/"|VE DOr {
V=&,^qZ var e = event.srcElement;
abeSkWUL( var row = e.parentNode.parentNode;
DYlvxF` var txts = row.all.tags("INPUT");
d&uTiH? 0 if (!txts.length || txts.length < 3)
m> (h_j return;
SDHc[66' nKB&|! var q = txts[txts.length-3].value;
ti^v%+r1 var p = txts[txts.length-2].value;
( 'n8=J E[.tQ|C if (isNaN(q) || isNaN(p))
br Z,s return;
/;AZ/Ocy! ~AanU1U< q = parseInt(q);
cTd;p>:>m p = parseFloat(p);
V wVQ|UH PgLS\_B txts[txts.length-1].value = (q * p).toFixed(2);
"F$o!Vk }
[fi'=Cb </script>
45sxF?GSwL
}m%?&c `QdQ?9x{F *xg`Kwl5Kl 9xn23*Fo 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。
ceZ8}Sh page_load
K3:|Tc( page.smartNavigation=true
T_?nd T2 QZ3(u<f 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 ?
d-;9L56{P private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
.l+~)$ {
d:hL
)x for(int i=0;i<e.Item.Cells.Count-1;i++)
sD8m< if(e.Item.ItemType==ListItemType.EditType)
NOr
<, {
]A72)1 e.Item.Cells.Attributes.Add("Width", "80px")
^qO=~U!{ }
!UoU#YU }
Zknewv*sS4 C$LRY~\ 26.对话框
6_<s=nTX private static string ScriptBegin = "<script language=\"JavaScript\">";
}l(m5 private static string ScriptEnd = "</script>";
i9eyrl+! s
S5fd)x public static void ConfirmMessageBox(string PageTarget,string Content)
ydND$@; Z {
HNy/ - string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
x8?x/xE 5 n+ e ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
y[p$/$bgC5
ml.;wB| Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
#M?F^u[ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Ah>gC!F^ //Response.Write(strScript);
w,Zx5bBg% }
0<@KDlF dA1
C)gLi 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
dHG Io 8b:clvh 1.1 取当前年月日时分秒
&.Latx currentTime=System.DateTime.Now;
Ji6`-~ k P$18Xno{ 1.2 取当前年
d)0LVa( int 年= DateTime.Now.Year;
FU\/JF.j )!k_Gb`#X 1.3 取当前月
8b 8\ int 月= DateTime.Now.Month;
v0`qMBr1y h zZ-$IX X 1.4 取当前日
cc41b*ci$ int 日= DateTime.Now.Day;
R6q4 [" iog #
, 1.5 取当前时
8jggc#. int 时= DateTime.Now.Hour;
5,
-pBep< wI!
+L&Q 1.6 取当前分
t0e{|du int 分= DateTime.Now.Minute;
^+*GbY$' hB?,7- 1.7 取当前秒
VJN/#
int 秒= DateTime.Now.Second;
O:;OR'N9 ^p 2.UW 1.8 取当前毫秒
g={]Mzh int 毫秒= DateTime.Now.Millisecond;
N&fW9s} 1Sg|3T8bGT 28.自定义分页代码:
f4'El2>-86 v`S2M 先定义变量 :
T+;H#& public static int pageCount; //总页面数
K[uY+!'1 public static int curPageIndex=1; //当前页面
-".kH<SWv jj!N39f 下一页:
}UKgF. if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
WVS$O99Y {
LBmM{Gu DataGrid1.CurrentPageIndex += 1;
cX%: curPageIndex+=1;
(@)2PO/ }
q]"2hLq D[89*@v bind(); // DataGrid1数据绑定函数
ZT) !8 Cf0|Z 上一页:
;Y'8:ncDn if(DataGrid1.CurrentPageIndex >0)
6|
*(dE2x( {
#)^^_ DataGrid1.CurrentPageIndex += 1;
s~=KhP~ curPageIndex-=1;
qr)v'aC3 }
<.,RBo L#`2.nU bind(); // DataGrid1数据绑定函数
q.=^iz&m *A?8F"6> 直接页面跳转:
5LQk8NPh int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
JFkN=YR8 WI1T?.Gc if(a<DataGrid1.PageCount)
:7p9t.R<$h {
{I0w`xe this.DataGrid1.CurrentPageIndex=a;
ePp[m
zg6 }
SU%mmwES3 oL<BLr9> bind();
3ty4D 2y k"">2#V 29.DataGrid使用:
I&L.;~ U^%9
)4bj 添加删除确认:
MV:W@)rg private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
w4\BD&7V {
P<%v+O foreach(DataGridItem di in this.DataGrid1.Items)
-xJX _6}A {
iv:,fkwG if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
tm(v~L%$>] {
JY{X,?s ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
tg~A}1o`0 }
7\IL }
j~Q}F |i8 }
A LXUaE. DH5bpg&T 样式交替:
b,#`n ListItemType itemType = e.Item.ItemType;
8y$5oD6g9 m</]D WJ if (itemType == ListItemType.Item )
f:]u`ziM {
WgE@8 9 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
NW
z9C=y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
N0+hejz }
b-PSm=` else if( itemType == ListItemType.AlternatingItem)
j!YNg*H {
hZcmP"wgC1 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
\B_i$<Sz e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
zhNQuK,L }
?-e7e% SOVjEo4'3 添加一个编号列:
>Q;
g0\I_ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
wHx}U M" DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
:^n*V6.4 YWEYHr;%^? for(int i=0;i<dt.Rows.Count;i++)
6N"m?g*Z
d {
>-!r9"8@ dt.Rows["number"]=(i+1).ToString();
6DB0ni }
'e F% @B?FE\ DataGrid1.DataSource=dt;
_ w/_(k DataGrid1.DataBind();
tl|ijR
Nj+a2[ DataGrid1中添加一个CheckBox,页面中添加一个全选框
W3)\co private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
7%e1cI {
nE_Cuc>K\ foreach(DataGridItem thisitem in DataGrid1.Items)
oz LH ]* {
eNtf#Rqym ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
FC{})|yh
} }
a0PE^U }
t<Ot|Ex xk& NAB 将当前页面中DataGrid1显示的数据全部删除
<Z},A-\S* foreach(DataGridItem thisitem in DataGrid1.Items)
J,??x0GDx, {
wTxbDT@ H5 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
yO00I`5 {
"?35C
! string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
F%
`zs\ Del (strloginid); //删除函数
E, GN| l }
oB
p3JX9_f }
["u#{>(X 58: :h.: 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)
~(P&g7u Zae.MO^C! 在Application_Start中添加以下代码:
uQnT[\k? Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
H9U.lb AppSettings["ConnStr"].ToString();
{Ur7#h5 gljo;f: 31. 变量.ToString()
V@[rf<, m^<p8KZ 字符型转换 转为字符串
:5J_5,?;` 12345.ToString("n"); //生成 12,345.00
p}uncIod 12345.ToString("C"); //生成 ¥12,345.00
S`0NPGn;@[ 12345.ToString("e"); //生成 1.234500e+004
28a$NP\KW 12345.ToString("f4"); //生成 12345.0000
sf$o(^P9\A 12345.ToString("x"); //生成 3039 (16进制)
#AShbl jm+ 12345.ToString("p"); //生成 1,234,500.00%
\Wr,<Y }9^@5!qX 32、变量.Substring(参数1,参数2);
wjrG7*_Y4v M%I@<~wl 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);
Xwt`(h[u M*w' 1fT 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)
Jd_;@(Eg= <SCRIPT language="javascript">
U6<M/>RG$ <!--
Huc|6~X function gook(pws)
)hBE11,PB {
cLG6(<L frm.submit();
rh66_eV }
E;9>ePd@ //-->
k[%aCGo lNz]HiD </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
6Z?Su(s(5 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Rb EKP(uw <tr>
\9/RAY_G <td>
a7#?h%wf <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
eklgLU-+fW <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
]n;1x1' <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
&l m# QTH7grB2v <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
|0g{"}% <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
2}vNSQvG d$G}iJ8$mp </td>
1y(UgEg 8PBvV[ </tr>
Z+4D.bA T7[NcZ:I </form>
WF[bO7: eM2|c3/ 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。
'RbQj}@x * ?]~
# 下面是获取用户输入的登陆信息的代码:
=^tA_AxVw string name;
iX "C/L|JN name=Request.QueryString["EmailName"];
s2REt$.q 6KRO{QK try
Yf}xwpuLk {
*z8|P#@ int a=name.IndexOf("@",0,name.Length);
0^3+P%(o@ f_user.Value=name.Substring(0,a);
\~~ }N4 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
,eRQu. f_pass.Value=Request.QueryString["Psw"];
nL-K)G, }
,[e\cnq[ 4CrLkr catch
p*20-!{A {
!q'
4D!I Script.Alert("错误的邮箱!");
D+RiM~LH8 Server.Transfer("index.aspx");
-oP'4QVb }