1. 打开新的窗口并传送参数:
xr^fP~V|)0 T7(U6yN 传送参数:
A%EGu4 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
^W0eRT ERfSJ 接收参数:
?Elt;wL( string a = Request.QueryString("id");
VH~ZDZ1P string b = Request.QueryString("id1");
6MQyr2c E/C3t2@- 2.为按钮添加对话框
sQO>1bh Button1.Attributes.Add("onclick","return confirm(’确认?’)");
?|GwuG8g button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
4CxU
eq 6PLdzZ{ 3.删除表格选定记录
8y]{I^z} int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
~[0^{$rrWs string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
k.%FGn'fR |#22pq?RP 4.删除表格记录警告
LUA<N: private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
R1Q~UX]d= {
7fW$jiw switch(e.Item.ItemType)
v2vtkYQN {
4` :Eiik&p case ListItemType.Item :
0w6"p>s>c case ListItemType.AlternatingItem :
"]yfx@)_ case ListItemType.EditItem:
\*30E<;C_
TableCell myTableCell;
LP}'upv myTableCell = e.Item.Cells[14];
9i!|wkx LinkButton myDeleteButton ;
KY9@2JG myDeleteButton = (LinkButton)myTableCell.Controls[0];
:?\Je+iA myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
gzp]hh@4 break;
F7`[r9 $ default:
N. 0~4H
%U break;
D|/
4),v }
F2',3 vk3C&!M<a }
K^c%$n:}+ E&\ 0+-Dw 5.点击表格行链接另一页
b25C[C5C private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
v.>95|8 {
+wm%`N;v< //点击表格打开
B\quXE) if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
A7aW] e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
sE\Cv2Gx }
et@<MU@` 6FEIQ#`{ 双击表格连接到另一页
TL: 6Pe Gg{M 在itemDataBind事件中
+w(B9rH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;Lk07+3G {
o=C'u string OrderItemID =e.item.cells[1].Text;
yzyK$WN\[3 ...
--F6n/> e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
jJe?pT]o }
e0`5PVJ ;~n^/D2. 双击表格打开新一页
B5!|L)7>{p if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
v=E(U4v9e {
T0%l$#6v string OrderItemID =e.item.cells[1].Text;
tIo
b ...
]Tn""3#1g e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
e9rgJJ }
u56WB9Z %G'P!xQhy ★特别注意:【?id=】 处不能为 【?id =】
6~a4-5;>z 6.表格超连接列传递参数
d,0Klew <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
)^j62uv <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
b}Xh|0`b+ U,Z7nH3_ 7.表格点击改变颜色
uMK8V_p*? if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ria.MCe\! {
B$_-1^L
e e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
@
[%K D this.style.color=’buttontext’;this.style.cursor=’default’;");
!iU$-/,1 e }
1n~^@f#` mD;ioaE
写在DataGrid的_ItemDataBound里
KDLrt if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
~SYW@o {
Lm'+z97 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
> QG@P this.style.color=’buttontext’;this.style.cursor=’default’;");
%(:{TR e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
!>)o&sM }
c2:oM<6| \qtdbi|Y tiF-lq 8.关于日期格式
Sn[/'V^$a ln_[@K[oX 日期格式设定
wx_j)Wij6 DataFormatString="{0:yyyy-MM-dd}"
}N"YlGY\Yn \hg%J/ 我觉得应该在itembound事件中
N, 4hh? e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
>YR2h/S RhkTN'vO 9.获取错误信息并到指定页面
gPIl:, d( %#E$wz 不要使用Response.Redirect,而应该使用Server.Transfer
O6Y1*XTmH6 4++p K;I e.g
>O~ // in global.asax
HSEz20s protected void Application_Error(Object sender, EventArgs e) {
5 TLE%#G@+ if (Server.GetLastError() is HttpUnhandledException)
_,3%)sn-) Server.Transfer("MyErrorPage.aspx");
n2Ew0- )oy+-1dE //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
ff
6x4t }
.HPa\b\L> +-qa7 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
\w)ddc!ZS I?_WV_T& 10.清空Cookie
D7g
B% Cookie.Expires=[DateTime];
5E
=!L
g Response.Cookies("UserName").Expires = 0
EF'8-* B(Er/\-@U 11.自定义异常处理
XHh*6Yt_ ( //自定义异常处理类
DSlO.)dHu using System;
Jv?EV,S/e using System.Diagnostics;
ubMN SNSHX2 namespace MyAppException
u@t~*E5BpM {
ZP
]Ok /// <summary>
?0+N /// 从系统异常类ApplicationException继承的应用程序异常处理类。
0rxGb} b* /// 自动将异常内容记录到Windows NT/2000的应用程序日志
yYdh+ x
/// </summary>
~/rKKc public class AppException:System.ApplicationException
Y~@( {
ijKQ`}JA public AppException()
k}!'@ {
M"6J"s if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
I8k+Rk* }
uw(Ml= [}dPn61 public AppException(string message)
gZ8JfA_\R( {
cUn>gT LogEvent(message);
,\N4tG1\ }
()5X<=i N_d{E/ public AppException(string message,Exception innerException)
,P=.x% {
jwSPLq% LogEvent(message);
7MsJ*En if (innerException != null)
\UZ7_\ {
aLlHR_ LogEvent(innerException.Message);
c/V0AKkS
8 }
&"7+k5O }
ElK Md {7%(m|( //日志记录类
s\p 1EL( using System;
PsOq- using System.Configuration;
[3x},KM using System.Diagnostics;
k{U[ U1j using System.IO;
J"$U$.W= using System.Text;
PcjeuJZ using System.Threading;
@!^Y_q [z!pm-Ir namespace MyEventLog
2sp4Mm {
A5Q4wy` /// <summary>
rV} 5&N*c /// 事件日志记录类,提供事件日志记录支持
mP's4 /// <remarks>
CeM%?fr5 /// 定义了4个日志记录方法 (error, warning, info, trace)
DuLl"w\_@ /// </remarks>
K(HrwH`a{ /// </summary>
/:"^,i\t public class ApplicationLog
`gyke2n {
^ E.mG> /// <summary>
&WOm[]Q4 /// 将错误信息记录到Win2000/NT事件日志中
YMVi7D~;Q$ /// <param name="message">需要记录的文本信息</param>
c6AwO?x/ /// </summary>
F{rC{5@fj public static void WriteError(String message)
piqh7u3~ {
v=Q!ioE7 WriteLog(TraceLevel.Error, message);
v*c"SI=@M= }
1hzf+*g BzV97' /// <summary>
J#jFX
F\ /// 将警告信息记录到Win2000/NT事件日志中
1Zi` \N4T /// <param name="message">需要记录的文本信息</param>
Y*{5'q+2 /// </summary>
MWK)Bn public static void WriteWarning(String message)
p.b#RY {
LROrhO WriteLog(TraceLevel.Warning, message);
_!Pi+l4p/} }
_dW#[TCF IiJ$Ng /// <summary>
e+:X%a4\ /// 将提示信息记录到Win2000/NT事件日志中
]7oo`KcQ| /// <param name="message">需要记录的文本信息</param>
/Ak\Q5O'3 /// </summary>
g^7zDU&' public static void WriteInfo(String message)
S9ic4rcd {
f2&6NC; WriteLog(TraceLevel.Info, message);
2##mVEo.( }
R&g&BF /// <summary>
`^
a:1^ /// 将跟踪信息记录到Win2000/NT事件日志中
Z9q4W:jyS /// <param name="message">需要记录的文本信息</param>
{47Uu%XT /// </summary>
Ye$;
d ~ public static void WriteTrace(String message)
mN . {
s@GE(Pu7 WriteLog(TraceLevel.Verbose, message);
;PnN$g]Q }
>< P<k& :SWrx MT /// <summary>
^f-)gZ& /// 格式化记录到事件日志的文本信息格式
{v|ib112; /// <param name="ex">需要格式化的异常对象</param>
2v;&`04V< /// <param name="catchInfo">异常信息标题字符串.</param>
uI&0/ /// <retvalue>
!%DE(E*'(
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
/m,i,NX07 /// </retvalue>
H q?F @X /// </summary>
;' |CSjco public static String FormatException(Exception ex, String catchInfo)
9_.pLLx {
lj:.}+]r StringBuilder strBuilder = new StringBuilder();
U2tgBF?)A if (catchInfo != String.Empty)
mAY/J0_ {
~D`R"vzw= strBuilder.Append(catchInfo).Append("\r\n");
rdtzz#7 }
5w{U/v$Z strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
]YfG`0eK< return strBuilder.ToString();
Qh6vH9(D }
|1/8m/2Af. q8.Z7ux /// <summary>
9}Za_ZgG
/// 实际事件日志写入方法
-dN`Ok<g /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Pn4jI( /// <param name="messageText">要记录的文本.</param>
Vpzjh,r-j /// </summary>
R>1oF]w private static void WriteLog(TraceLevel level, String messageText)
cxvO,8NiB {
KK]R@{ r try
"}ur"bU1 {
bY*_6SPK4 EventLogEntryType LogEntryType;
,,6lQ]wG switch (level)
/v|b]Ji {
}H
saJ=1U case TraceLevel.Error:
(~! @Uz5 LogEntryType = EventLogEntryType.Error;
U3v~R4 break;
fCnwDT case TraceLevel.Warning:
yB=R7E7 LogEntryType = EventLogEntryType.Warning;
Zy{hYHQ break;
N~or.i&a case TraceLevel.Info:
(2"4PU8 LogEntryType = EventLogEntryType.Information;
RdL5VAD break;
(!0_s48f case TraceLevel.Verbose:
X7:Dw]t LogEntryType = EventLogEntryType.SuccessAudit;
Z0D&ayzkh^ break;
\$t{K default:
!U(KQ:j LogEntryType = EventLogEntryType.SuccessAudit;
4`cf FowK~ break;
-;RAW1]}Y$ }
PJe\PGh QJ>=a./ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
jGJf[:M&Pm //写入事件日志
RU=g|TL eventLog.WriteEntry(messageText, LogEntryType);
6& hiW]Adm )=aqj@v }
|Xd&aQ catch {} //忽略任何异常
@Eh(GZN }
upJy,|5 } //class ApplicationLog
'-G,7!.,r% }
=
1d$x: >s,*=a 12.Panel 横向滚动,纵向自动扩展
4j i#Q <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
U~c9PqjZ dr(e)eD(R> 13.回车转换成Tab
,.gJ8p(0x <script language="javascript" for="document" event="onkeydown">
;;U&mhz` if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~EYdE qS) event.keyCode=9;
BCd0X. m( </script>
(>Pz3 7 oW(8bd) onkeydown="if(event.keyCode==13) event.keyCode=9"
0&r}'f? \S~<C[P 14.DataGrid超级连接列
CaoQPb* DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
f)Z'#[A*t7 T).}~i;! 15.DataGrid行随鼠标变色
x0TE+rf5 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
OU mZ| {
6jl{^dI if (e.Item.ItemType!=ListItemType.Header)
nRX<$OzTV {
8-K4*(-dL e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
X&K,,C e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
lWf(!=0m }
do%.KIk }
% %2~%FVb *\Hut'7 d 16.模板列
)S_%Ip <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
5=4-IO6W[] <ITEMTEMPLATE>
T16B2|C"Y <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
-**fT?n </ITEMTEMPLATE>
2"Y=*s </ASP:TEMPLATECOLUMN>
PKs$Q=Ol<| 0upZ4eN <ASP:TEMPLATECOLUMN headertext="选中">
>v%UV:7ap <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
)9!ZkZbv_m <ITEMTEMPLATE>
gJzS,g1] <ASP:CHECKBOX id="chkExport" runat="server" />
Z \- </ITEMTEMPLATE>
_ `7[}M~ <EDITITEMTEMPLATE>
zH@+\#M <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
.+^o {b </EDITITEMTEMPLATE>
hDEZq>& </ASP:TEMPLATECOLUMN>
rO1.8KKJ !|Y&h0e 后台代码
['0^gN$:e protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
+,9Muf h {
8EI&}I //改变列的选定,实现全选或全不选。
HL!" U(_ CheckBox chkExport ;
P$G|o|h if( CheckAll.Checked)
Fd9Z7C {
v/wR)9 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
K%vGfQ8Er- {
NMP*q
@ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
h^b= chkExport.Checked = true;
aK9zw }
h6(L22Hn }
6[>Z y)P else
jY\YSQ {
ve=
nh]N foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
);x[1*e {
hzX&BI chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Xc]Q_70O chkExport.Checked = false;
gr$H?|n l }
s-xby~ }
3bB%@^< }
~3m}
EL aeF^&F0 17.数字格式化
6~q"#94 cNqw(\rr 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
k\M">K0E <%#Container.DataItem("price","{0:¥#,##0.00}")%>
:~9F/Jx 90)rOD1B int i=123456;
%AuS8'Uf string s=i.ToString("###,###.00");
Aaix?
|XN GEi^3UD 18.日期格式化
b~FmX 3836Di:{ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
N
DV_/BI u8@>ThPD 显示为: 2004-8-11 19:44:28
cj/FqU" ZCVN+::Y 我只想要:2004-8-11 】
'GcZxF0 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
x;*KRO :dzamHbX9 应该如何改?
zHCz[jlrMq V]9?9-r 【格式化日期】
^KMZB [HENk34 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
ffYiu4$m hYN b9^ 【日期的验证表达式】
x_5H_! \# ,!4(B1@
A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
?Yp: h ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
[(N<E/m %B QRv2%^L B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
]Z\.Vx ^\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]))$
),)]gw71QW _#+~#U%5n 【大小写转换】
Sf\mg4, HttpUtility.HtmlEncode(string);
!(Y23w* HttpUtility.HtmlDecode(string)
Rj=xn(@d aNCIh@m~ 19.如何设定全局变量
fW4N+2 gI^*O@Q4{b Global.asax中
dLm~]V3 >2~q{e Application_Start()事件中
dg1h<]T"9 LdAfY0 添加Application[属性名] = xxx;
T!)v9L 9_F2nmEv 就是你的全局变量
sD*8:Hl #^v|u3^DD 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
i9oi}$;J ]J C}il_b HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
\5Jpr'mY5 ><[($Gq`g 【ASPNETMENU】点击菜单项弹出新窗口
*#,wV
]`&ws 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
F"3PP ~ <?xml version="1.0" encoding="GB2312"?>
RI"A'/56 <MenuData ImagesBaseURL="images/">
B&yb%`9],W <MenuGroup>
T'l >$6 <MenuItem Label="内参信息" URL="Infomation.aspx" >
$aX}i4F <MenuGroup ID="BBC">
+I7n6s\ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
W@1Nit-R <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
`bffw:;% ......
YZdp/X6x ajW[}/) 最好将你的aspnetmenu升级到1.2版
:0j9 RUmJ=i'4/ 21.读取DataGrid控件TextBox值
WLEjRx foreach(DataGrid dgi in yourDataGrid.Items)
K<KyX8$P0 {
XFPWW , TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
xGJ{_M tb.Text....
&'UYV> }
`6b!W0$
- VAF+\Cea= 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?
Ex~[Hk4ow "EQ-`b=I4 〖思归〗
*?K3jy{ <asp:TemplateColumn HeaderText="数量">
^PfFW <ItemTemplate>
z{cI G8z <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
"*WzoRA={ onkeyup="javascript:DoCal()"
yK<%AV@v />
AxUj CerNf b/ h,qv <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
n0kBLn </ItemTemplate>
,YJ\
$? </asp:TemplateColumn>
0 }k[s+^ %8tlJQvu <asp:TemplateColumn HeaderText="单价">
'Uew(o <ItemTemplate>
q-3%.<LL <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
!MNUp(: onkeyup="javascript:DoCal()"
cpp0Y^ />
Zg%U4m: l)fF)\ |;= <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
JNRG[j @!&\Z[", </ItemTemplate>
IM}T2\tZ} </asp:TemplateColumn>
h*{{_3, ,2/qQD n/ <asp:TemplateColumn HeaderText="金额">
KD*,u{v; <ItemTemplate>
bN@V=C3 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
tWD~|<\. ) </ItemTemplate>
W`K XO|'p@ </asp:TemplateColumn><script language="javascript">
@;M( oFS9 function DoCal()
gX5I`mm {
dX: (%_Mn var e = event.srcElement;
hgX@?WWR var row = e.parentNode.parentNode;
J5}-5sV^ var txts = row.all.tags("INPUT");
R3<>]/1p|P if (!txts.length || txts.length < 3)
\zw0*;&U return;
G0Smss=K DTk)Y-eQ var q = txts[txts.length-3].value;
.a1WwI
var p = txts[txts.length-2].value;
(EGsw o 8Br* if (isNaN(q) || isNaN(p))
G2U=*| return;
")"VQ|$y 8i=J(5= q = parseInt(q);
kMAQHpDD p = parseFloat(p);
3 :X3n\z -bu.Ar-#;h txts[txts.length-1].value = (q * p).toFixed(2);
qP6]}Aj] }
*x2+sgSf_0 </script>
VG^*?62 RrRrB"!8nR FA<|V!a F]\(p=U. s3kHNDdC 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。
"qjkwf)\ page_load
$As;Tvw. page.smartNavigation=true
P7 O$* Ikql 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 ?
|}
;&xI private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Q{T6t;eH {
0]?} kY for(int i=0;i<e.Item.Cells.Count-1;i++)
eRc+.m[ if(e.Item.ItemType==ListItemType.EditType)
k'E3{8<! {
x7)j?2 e.Item.Cells.Attributes.Add("Width", "80px")
%^f!= * }
x.CUJ^_. }
1Y4=D
A}pmr 26.对话框
"{1`~pDj? private static string ScriptBegin = "<script language=\"JavaScript\">";
`&2~\o/ private static string ScriptEnd = "</script>";
QPB@qx#@ pQAG%i^mF public static void ConfirmMessageBox(string PageTarget,string Content)
~sT/t1Rp {
B,@geJ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
4^cDp!8 k=1([x ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
$51M'Qu |b"
h+ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
$Wt0e 4YSu ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
wZB:7E% //Response.Write(strScript);
"}
=RPc%9 }
"&;8U. Agt6G\n 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
4j^-n_T Syv[[Ek 1.1 取当前年月日时分秒
U$jw8I'. currentTime=System.DateTime.Now;
afrU>#+" n${,r 1.2 取当前年
,ab_u@ int 年= DateTime.Now.Year;
ev~/Hf ZS&>%G 1.3 取当前月
RO.GD$ 3n int 月= DateTime.Now.Month;
/]7FX" V6l~Aj}/ 1.4 取当前日
GZJIIP# int 日= DateTime.Now.Day;
HQPb
s+#|j;V< 1.5 取当前时
>d#oJ?goX int 时= DateTime.Now.Hour;
&q~**^;' 5'iJN$7 1.6 取当前分
|]=. ^ int 分= DateTime.Now.Minute;
:eIPPh|\ Xc)V;1 1.7 取当前秒
vwy10PlqL int 秒= DateTime.Now.Second;
~{69&T}9 >JdA,i}1 1.8 取当前毫秒
: (IPrQ int 毫秒= DateTime.Now.Millisecond;
2K >tI9); 9J>b6 28.自定义分页代码:
"V/|RC 85;hs 先定义变量 :
Q2^~^'Yk public static int pageCount; //总页面数
VjZ_L_U} public static int curPageIndex=1; //当前页面
6@0
wKV!D #bRr|` 下一页:
>)5=6{x if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
s=)0y$ {
2kv%k3Q{ DataGrid1.CurrentPageIndex += 1;
>Hh8K<@NL curPageIndex+=1;
-Vj'QqZ }
t<`h(RczHI Znl&.,c) bind(); // DataGrid1数据绑定函数
'vgO` Y>OL2g 上一页:
9C$#A +~C if(DataGrid1.CurrentPageIndex >0)
:V)W?~Z7B {
]>utLi5dX DataGrid1.CurrentPageIndex += 1;
Dq T)%a curPageIndex-=1;
>{DHW1kF? }
7Pt*V@DHS WA);Z= bind(); // DataGrid1数据绑定函数
$Cu/!GA4.> 6~ g:"} 直接页面跳转:
0 O{Y
Vk` int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
3YY<2< o?G^=0T if(a<DataGrid1.PageCount)
Y`FGD25` {
Q@3.0Hf|{ this.DataGrid1.CurrentPageIndex=a;
vS~y~ uU%6 }
Q]*YIb~D NJYx.TL bind();
lYd#pNN nG#lrYZw 29.DataGrid使用:
'-jKv=D+ o3H+.u$ 添加删除确认:
ht^U VV2 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'e6W$?z {
v{rc5 ]\R foreach(DataGridItem di in this.DataGrid1.Items)
0XlX7Sk+ {
W7NHr5RC if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
%EPqJ(T {
lwH&4K ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
/p,D01Ws}( }
`w Sg/ }
FV/xp}nz }
$ql-"BB Fqzk/m 样式交替:
*8p\.za1 ListItemType itemType = e.Item.ItemType;
7YbI|~ V,qZF=} S if (itemType == ListItemType.Item )
oWyg/{M {
<.3@-z>w2, e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
/x_C e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
e,E;\x
& }
,IUMH]D else if( itemType == ListItemType.AlternatingItem)
yZ:|wxVY {
ZLvw]N&R e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
!W:QLOe6F e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
whNRUOK: }
Tu_dkif' M
O5fu! 添加一个编号列:
`n-e.{O(( DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
kt1f2cj DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
0jv9N6IM V`69%35*@ for(int i=0;i<dt.Rows.Count;i++)
]_BG"IR!.. {
jn\\,n"6 dt.Rows["number"]=(i+1).ToString();
}sy3Mrb }
7\ff=L-b },a|WL3^ DataGrid1.DataSource=dt;
e;3$7$n Pv DataGrid1.DataBind();
z,rWj][P @7lZ{jV$ DataGrid1中添加一个CheckBox,页面中添加一个全选框
C`mXEX5 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
\g4\a?i {
( kp}mSw foreach(DataGridItem thisitem in DataGrid1.Items)
^Hq}9OyS9 {
(%0X\zvu/ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
:o}7C%Q8 }
<Mc:Cg8> }
^ioTd c<&+[{| 将当前页面中DataGrid1显示的数据全部删除
62(WZX%b foreach(DataGridItem thisitem in DataGrid1.Items)
YSrFHVq {
Y_/Kd7,\~ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
WgPL4D9= {
tW=0AtZl] string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
6l_8Q w*5I Del (strloginid); //删除函数
^|sxbP }
D"x~bs?V\ }
RM<\bZPc Kv#daAU 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)
CKBi-q FH ?tA-`\E 在Application_Start中添加以下代码:
&tRnI$D Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
t*}<v@, AppSettings["ConnStr"].ToString();
zV80r+y 1~`gfHI4 31. 变量.ToString()
Ej34^*m9k ;,4J:zvZdQ 字符型转换 转为字符串
gdG:
&{|x 12345.ToString("n"); //生成 12,345.00
h,p&/oU4U 12345.ToString("C"); //生成 ¥12,345.00
b&_p"8)_ 12345.ToString("e"); //生成 1.234500e+004
moo>~F _^ 12345.ToString("f4"); //生成 12345.0000
HdnSs0/ 12345.ToString("x"); //生成 3039 (16进制)
(/KF;J^M 12345.ToString("p"); //生成 1,234,500.00%
8 Zj>|u PRah?|*0s 32、变量.Substring(参数1,参数2);
W@S9}+wl* E
Fv+[ 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);
[c W h">X!I 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)
9=}/t9k <SCRIPT language="javascript">
B+Bv(p <!--
oaXD^H\ function gook(pws)
./g#< {
'Qfy+_0 frm.submit();
'K"*4B^3 }
}N|/b"j9 //-->
(Z5#;rgem He*L"VpWv </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
$ta#]>{ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
#FQVhgc <tr>
^R$dG[Qf <td>
ky%%H; <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
1M{#"t{6 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
0`thND)?O <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
>k jJq]A2 ;7A,'y4f <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
;5l|-&{@* <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
&tOD l85"C </td>
syfR5wc O:x%!-w </tr>
y$"L`*W /Rz,2jfRx' </form>
U,S286 O gnpzN 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
;Vy'y X[ (J!"+ 下面是获取用户输入的登陆信息的代码:
D-!%L<< string name;
T{M:)}V name=Request.QueryString["EmailName"];
fpi6pcof y_&XF>k91 try
lTP02|eK {
bW|y -GM int a=name.IndexOf("@",0,name.Length);
&$Lm95 f_user.Value=name.Substring(0,a);
gk#rA/x f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Qa%SvA@R f_pass.Value=Request.QueryString["Psw"];
"lZ<bG
}
M2S|$6t: g1|c?#fwo catch
2cl~Va= {
QAwj]_ Script.Alert("错误的邮箱!");
y<b0z\ Server.Transfer("index.aspx");
3\G=J }