1. 打开新的窗口并传送参数:
.xT?%xSi/ 5 pCicwea# 传送参数:
<=4$.2ym response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
p<mL%3s0 :Y99L)+=/ 接收参数:
&}"kF\ string a = Request.QueryString("id");
$*C
}iJsF string b = Request.QueryString("id1");
d@Z DIy h4hAzFQ.s 2.为按钮添加对话框
T3wTMbZ!VK Button1.Attributes.Add("onclick","return confirm(’确认?’)");
:zHSy&i` button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
q" VmuQ yKML{N1D 3.删除表格选定记录
o?baiOkH int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
.>"xp6 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
'12m4quO Hn/t'D3 4.删除表格记录警告
E`)e
;^ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
)s!A\a`vEd {
,U{dqw8E{ switch(e.Item.ItemType)
+^AdD8U {
F*k
=JL case ListItemType.Item :
/TMVPnvz. case ListItemType.AlternatingItem :
F5*-HR case ListItemType.EditItem:
]46h!@~aC TableCell myTableCell;
v;(cJ,l myTableCell = e.Item.Cells[14];
V IzIl\<aM LinkButton myDeleteButton ;
C*YQ{Mz(f myDeleteButton = (LinkButton)myTableCell.Controls[0];
-'&l!23a~ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
XJ7B?Zg break;
V^s, 3C default:
>WZ.Dj0n break;
f7&ni#^Ztj }
If&))$7u h% -=8l, }
JI@iT6.%IX h4n~V:nNm 5.点击表格行链接另一页
AROHe private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ToHx!,tDS {
MV5$e //点击表格打开
;~F*2) if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Z\0wQ;} e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
%DttkrhL }
!zK"y[V E2zL-ft. 双击表格连接到另一页
4rhHvp @WazSL;N 在itemDataBind事件中
(Aw@}! if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\; XJ$~> {
k)+{Y v* string OrderItemID =e.item.cells[1].Text;
}hn?4ny ...
#66i!} e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Ku'a,\7z }
(cVIjo+:: }0&Fu?sP 双击表格打开新一页
nS]e if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ub?dfS9$_ {
KcT(/! string OrderItemID =e.item.cells[1].Text;
-o/Vp>_UOE ...
LuRCkKJ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
X!hzpg(`hR }
=sWK;` IR"C? ★特别注意:【?id=】 处不能为 【?id =】
7^>~k}H 6.表格超连接列传递参数
H ezbCwsx& <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
U%Fa.bL~ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
P,8TO-e7 &DW !$b 7.表格点击改变颜色
>_Tyzl>z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
OI Fjc0 {
l9QI lTc7 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
PVi;h%>Y this.style.color=’buttontext’;this.style.cursor=’default’;");
%|4Kak]:Q }
OTYkJEC8\N H0b{`!'Fs: 写在DataGrid的_ItemDataBound里
D{t_65c- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
13@emb {
b0}dy\dnQ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
d\-*Fmp(S this.style.color=’buttontext’;this.style.cursor=’default’;");
bM'F8Fi e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
+184|nJ<2 }
/Igz[P^\9 \FO`WUAF ]HWeVhG 8.关于日期格式
GYtgw9 "Y )-I/ej^ 日期格式设定
]R~hzo DataFormatString="{0:yyyy-MM-dd}"
{JdXn gR/?MJ(v 我觉得应该在itembound事件中
iklZ[G%A0 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
q"269W: ~;b}_?%o 9.获取错误信息并到指定页面
9<&*iIrM kh}h(z^ 不要使用Response.Redirect,而应该使用Server.Transfer
fbM>jK ShQ! '[J e.g
MHp:".1 // in global.asax
A p zC protected void Application_Error(Object sender, EventArgs e) {
_rSwQ<38> if (Server.GetLastError() is HttpUnhandledException)
WXo bh Server.Transfer("MyErrorPage.aspx");
5ms]Wbh) +L=Xc^ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
44 8%yP }
\hBzQ%0 y.(< 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
gDJ} <^ InL_JobE8r 10.清空Cookie
%4R1rUrgt| Cookie.Expires=[DateTime];
id,' + < Response.Cookies("UserName").Expires = 0
C`ZU.|R OGW3Pe0Z' 11.自定义异常处理
aQHR=.S]X //自定义异常处理类
vMY!Z1.* using System;
CY=lN5!J using System.Diagnostics;
I\Y N! KO`dAB F} namespace MyAppException
Ze/\IBd {
\R9izuc9 /// <summary>
[zl4"|_` /// 从系统异常类ApplicationException继承的应用程序异常处理类。
'Jek<
5 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
!5'4FUlJ /// </summary>
s3sD7 @ public class AppException:System.ApplicationException
w3VgGc~ {
EajJv>X7 public AppException()
d %FLk=] {
W9}
,f if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Cj }H'k<B }
(:]+IjnE *"OlO}o public AppException(string message)
*N: $,xf {
:^paI LogEvent(message);
5MYdLAjV }
#""T>+ d=D#cs;\ public AppException(string message,Exception innerException)
>Q_
'[!S {
8*Fn02 p LogEvent(message);
Xhyn! &H5 if (innerException != null)
VcsMDa {
\-Xtbm LogEvent(innerException.Message);
?v:FGO }
Z{t `f[ }
)n<p_vz "\vQVZd-E //日志记录类
;,uATd| using System;
W!"QtEJ, using System.Configuration;
!5h8sD; using System.Diagnostics;
d"E3ypPK using System.IO;
+BO kHXk1 using System.Text;
-awG14% using System.Threading;
Kwm_Y5`A X.
Ur`X namespace MyEventLog
LN.*gGl {
EUh_`R /// <summary>
x|AND]^Q /// 事件日志记录类,提供事件日志记录支持
QrFKjmD< /// <remarks>
Y^DGnx("m /// 定义了4个日志记录方法 (error, warning, info, trace)
3.P7GbN /// </remarks>
Xf"<
>M /// </summary>
O8>&J-+2 public class ApplicationLog
raSga'uT; {
+84
p/B# /// <summary>
} 7:T?
`V: /// 将错误信息记录到Win2000/NT事件日志中
j[mII5e7g /// <param name="message">需要记录的文本信息</param>
|c2sJy j* /// </summary>
x)Zm5&"Gg public static void WriteError(String message)
p{v*/<.; {
Zl'/Mxg WriteLog(TraceLevel.Error, message);
Dk$<fMS,7c }
@vib54G ?7lW@U0 /// <summary>
oa=TlBk< /// 将警告信息记录到Win2000/NT事件日志中
*_J{_7pwe /// <param name="message">需要记录的文本信息</param>
_<F;&(o /// </summary>
N^wHO<IO1 public static void WriteWarning(String message)
=j~:u.hc' {
o%`=+-K WriteLog(TraceLevel.Warning, message);
'Q7^bF^ }
8sBT&A6&j ,uNJz -B8 /// <summary>
dIh+h|: /// 将提示信息记录到Win2000/NT事件日志中
0WKS /// <param name="message">需要记录的文本信息</param>
4^YE*6z /// </summary>
cX4]ViXSr public static void WriteInfo(String message)
K1R?Qt,qDF {
9c*B%A8J WriteLog(TraceLevel.Info, message);
")txFe }
9LBZMQ /// <summary>
Dm}M8`|X /// 将跟踪信息记录到Win2000/NT事件日志中
zkqn>
/// <param name="message">需要记录的文本信息</param>
4W49*Je /// </summary>
z%T|L[(6 public static void WriteTrace(String message)
L AA(2 {
XpkOC o 02 WriteLog(TraceLevel.Verbose, message);
|'P$zMAF }
1tI=Dwx .9r85 /// <summary>
%{3q=9ii /// 格式化记录到事件日志的文本信息格式
qP&:9eL /// <param name="ex">需要格式化的异常对象</param>
B/;'D7i|S /// <param name="catchInfo">异常信息标题字符串.</param>
%I!2dXNFRF /// <retvalue>
[dz3k@ >0 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Rrl /// </retvalue>
ZQ*Us*9I /// </summary>
;PMh>ZE` public static String FormatException(Exception ex, String catchInfo)
{,*vMQ<^ {
3iX\):4 StringBuilder strBuilder = new StringBuilder();
`$6~QLUf if (catchInfo != String.Empty)
o[WDPIG {
Z
zp"CK 5 strBuilder.Append(catchInfo).Append("\r\n");
eV(9I v[ }
0b
n%L~KU strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
GP %hf{ return strBuilder.ToString();
n{etDO }
(dQ=i ,d* hhe
/// <summary>
QX<x2U /// 实际事件日志写入方法
[.Kp/,JY /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
1kvs2 /// <param name="messageText">要记录的文本.</param>
#,6T. O /// </summary>
u-:3C<&> private static void WriteLog(TraceLevel level, String messageText)
; Ad5Jk {
fn5-Tnsq* try
5U+4vV/* {
H=f|X<8 EventLogEntryType LogEntryType;
YOrq)_ l switch (level)
LGW_7&0<< {
Q@NFfJJ case TraceLevel.Error:
W-&V:S{< LogEntryType = EventLogEntryType.Error;
b.\xPb break;
q-_!&kDK" case TraceLevel.Warning:
%+Z*-iX LogEntryType = EventLogEntryType.Warning;
d(ypFd9z break;
Za3}:7`Gu case TraceLevel.Info:
ez*QP|F*9 LogEntryType = EventLogEntryType.Information;
/T(9:1/G break;
> l0H)W case TraceLevel.Verbose:
#qDm)zCM LogEntryType = EventLogEntryType.SuccessAudit;
!d!u{1Y& break;
pPo xx"y default:
cgQ6b. LogEntryType = EventLogEntryType.SuccessAudit;
Myiv#rQ) break;
66" 6> }
8,!Oup 2E!~RjxSY EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
btq4diW //写入事件日志
nQ_{IO8/6W eventLog.WriteEntry(messageText, LogEntryType);
~) w4Tq -rm[. }
\( #"g catch {} //忽略任何异常
o,*D8[ }
hEsiAbTyF } //class ApplicationLog
kV5)3%? }
#+AQ:+ |C<#M< 12.Panel 横向滚动,纵向自动扩展
3+h3? <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Z
f\~Cl bP#!U'b" = 13.回车转换成Tab
@v#P u_ <script language="javascript" for="document" event="onkeydown">
^ W?cuJ8 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
p`c_5!H event.keyCode=9;
5ct&fjmR_ </script>
23>[-XZb[O NE8W--Cg| onkeydown="if(event.keyCode==13) event.keyCode=9"
%%uE^nX> DyGls8<\! 14.DataGrid超级连接列
Uza '%R DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
}shxEsq /kkUEo+ 15.DataGrid行随鼠标变色
/YF:WKr2 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'D
?o^ {
oR=i5lAU if (e.Item.ItemType!=ListItemType.Header)
|.UY'B {
.\^0RyJE e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Hy[: _E e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
%'H DP3 }
<L#d<lx }
.)!QsBU V<I(M<Dj 16.模板列
G,|!&=Pe|E <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
U"p</Q <ITEMTEMPLATE>
&EQhk9j <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
PKSfu++Z </ITEMTEMPLATE>
~RuX2u-2&u </ASP:TEMPLATECOLUMN>
6,3o_"J! x2#JD|0 <ASP:TEMPLATECOLUMN headertext="选中">
>{IPt]PCn <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
.=#jdc/ <ITEMTEMPLATE>
CG=c@-"n/ <ASP:CHECKBOX id="chkExport" runat="server" />
bhpku=ov </ITEMTEMPLATE>
_f^KP@^j <EDITITEMTEMPLATE>
SE]5cJ'> <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
'|^:,@8P9 </EDITITEMTEMPLATE>
#lLUBJ#: </ASP:TEMPLATECOLUMN>
ZLv/otf:|" 2(xC| 后台代码
-y+>^45 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
%7)=k}4 {
w!7\wI[ //改变列的选定,实现全选或全不选。
,94<j," CheckBox chkExport ;
'RK"/ZhqE if( CheckAll.Checked)
fo@^=-4A- {
.z`70ot? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
F`nQS&y {
#]@HsVXh7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
EMW6' chkExport.Checked = true;
LSJ?;Zg(=z }
37/n"\4 }
5G*cAlU else
c[dzO.~ {
]yU"J:/ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
HB/V4ki {
WVbrbs4 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
fSuykbZ chkExport.Checked = false;
7Gc{&hp* }
\c}(rqT }
dw
bR,K }
Q6@<7E]y ^"/^)Lb!@M 17.数字格式化
&N|$G8\CY Iry$z^ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
:o'XE|N <%#Container.DataItem("price","{0:¥#,##0.00}")%>
\2i7\U qos7u91z int i=123456;
{3tzr ;c? string s=i.ToString("###,###.00");
_IDZ.\'>$ |7s2xRc 18.日期格式化
&v{Ehkr* zH8E,) 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
fd\RS1[ 4>hHUz[_ 显示为: 2004-8-11 19:44:28
aLJm%uW6m& g{65 QP 我只想要:2004-8-11 】
@X2*O9 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
_!\d?]Ya +2~kHrv 应该如何改?
,kN;d}bg #<im? 【格式化日期】
~U9K<_U ff"wg\O4 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
|\5^ub,m SUncQJJ0S* 【日期的验证表达式】
q+
$6D;9 (yOkf-e2y A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Hcq.Lq;2: ^((\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})))?$
Mqf Ns<2 '|C3t!H` B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
EdJL&* ^\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]))$
a&y^Ps6= K2x[ApS# 【大小写转换】
a V3:{oL HttpUtility.HtmlEncode(string);
vJkc/7 HttpUtility.HtmlDecode(string)
C_.9qo]DT7 woYD &Oml 19.如何设定全局变量
Y?T{>"_W 9(CvGzco< Global.asax中
Nk`UQ~g$ (B7G'h.? Application_Start()事件中
f-=\qSo XH:*J+$O 添加Application[属性名] = xxx;
!d*[QD8 Nkdv'e\ 就是你的全局变量
!liV Y] h6
\P&Z 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
<#63tN9 fCl}eXg6w HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
]Z JoC!u |D3u"Y!:^ 【ASPNETMENU】点击菜单项弹出新窗口
Q M,!-~t &K)8 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
G7-BeA8 <?xml version="1.0" encoding="GB2312"?>
I$Nh|eM <MenuData ImagesBaseURL="images/">
o_b[ * <MenuGroup>
i%glQT <MenuItem Label="内参信息" URL="Infomation.aspx" >
PJnC <MenuGroup ID="BBC">
Gn]36~)*H <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
$EMOz=)I# <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
g(DD8;]w< ......
B*7kX&Uq ntiS7g e1 最好将你的aspnetmenu升级到1.2版
T X`X5j xS18t=" 21.读取DataGrid控件TextBox值
3:%k
pnO foreach(DataGrid dgi in yourDataGrid.Items)
J(
}2Ua_ {
uGKjZi TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
e5h*GKF tb.Text....
.u`[|:K }
q!K:N? Ycm)PU [" 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?
]n ?x tI aM^iDJ$> 〖思归〗
(iIw}f)w <asp:TemplateColumn HeaderText="数量">
ZTC>Ufu2! <ItemTemplate>
h\m35'v! <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
p:,Y6[gMo onkeyup="javascript:DoCal()"
fS]&?$q />
ffCDO\i({ 2`yhxO <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
T}~TW26v </ItemTemplate>
A 'qe2] </asp:TemplateColumn>
lwnO LyUn!zV$( <asp:TemplateColumn HeaderText="单价">
G#iQX` <ItemTemplate>
(Guzj*1 2 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
`s}* onkeyup="javascript:DoCal()"
>hKsj{=R7 />
P{L=u74b{x J5@08bZm <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
! VwU=5 pMF
vL </ItemTemplate>
dzcF15H1 </asp:TemplateColumn>
pjl%Jm ROO*/OOd <asp:TemplateColumn HeaderText="金额">
xh6(~'$ <ItemTemplate>
|5@Ra@0 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
OhF55,[ </ItemTemplate>
,"qCz[aDN1 </asp:TemplateColumn><script language="javascript">
` Xc7b function DoCal()
%zavSm" {
<H[w0Z$ var e = event.srcElement;
yUoR6w var row = e.parentNode.parentNode;
n}p G&&;q var txts = row.all.tags("INPUT");
=4ygbk if (!txts.length || txts.length < 3)
9t! d.} return;
uLms0r\@! *4O=4F)x var q = txts[txts.length-3].value;
-oD,F
$Rb var p = txts[txts.length-2].value;
MVatV[G dg D-"-O if (isNaN(q) || isNaN(p))
.j6udiv5 return;
0AZ9I!&i l9p
6I q = parseInt(q);
,f03TBD} p = parseFloat(p);
bC&A@.g{ ,%i
Scr,z txts[txts.length-1].value = (q * p).toFixed(2);
$`pf!b2Z }
+in)(a. </script>
"+DA)K oRfb4+H& 9~p;iiKGG ;_sJ>.=\ %$BRQ-O 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。
cIug~ x> page_load
z:'m50' page.smartNavigation=true
LpHGt]|D XY0kd&N8 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 ?
o:8ns m private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
^&3vGu9 {
\e
a* for(int i=0;i<e.Item.Cells.Count-1;i++)
G<Z}G8FW^ if(e.Item.ItemType==ListItemType.EditType)
Nr4Fp`b8 {
Ff<cY%t e.Item.Cells.Attributes.Add("Width", "80px")
Q`CuZkP( }
3G// _f }
e\)%<G5 ui]iOp 26.对话框
q NGR6i private static string ScriptBegin = "<script language=\"JavaScript\">";
F6{g{
B private static string ScriptEnd = "</script>";
,#a4P`q'iC ? Fqh
i public static void ConfirmMessageBox(string PageTarget,string Content)
/%YW[oY{V {
]36SF5<0r
string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
H UJqB0D
? "jZZ>\ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
a-5UG#o Z<U,]iZB Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
dJ"44Wu+J ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
[[T7s(3 //Response.Write(strScript);
LcKc#)'EE }
/fQcrd7h
e]<Syrk 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
l,n_G/\ Vmz#u1gGT6 1.1 取当前年月日时分秒
y)r`<B currentTime=System.DateTime.Now;
HoBx0N9\2 rpk8 1.2 取当前年
St;9&A int 年= DateTime.Now.Year;
;5X6`GlS#5 +;,{`*W+N 1.3 取当前月
'[
c-$X2Ak int 月= DateTime.Now.Month;
^P^"t^O V7$ m.P#uM 1.4 取当前日
Yjg$o:M int 日= DateTime.Now.Day;
3P_.SF 1@Ba7>%' 1.5 取当前时
33`bKKO} int 时= DateTime.Now.Hour;
P IG,a~ U=v>gNba 1.6 取当前分
eKP>}` int 分= DateTime.Now.Minute;
1^IMoC7$# AyJl:aN^ 1.7 取当前秒
5a |[cR int 秒= DateTime.Now.Second;
4lo7yx 51:5rN(_ 1.8 取当前毫秒
df{?E): int 毫秒= DateTime.Now.Millisecond;
n%r>W^2j lG6&uMvo 28.自定义分页代码:
lB}?ey s.(.OXD& 先定义变量 :
:7@[=n public static int pageCount; //总页面数
8hV]t'/; public static int curPageIndex=1; //当前页面
uVYn,DB` :b9#e g 下一页:
/}u:N:HA% if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
j'*.=cwsp {
03?ADjO DataGrid1.CurrentPageIndex += 1;
a,rXG curPageIndex+=1;
_9oKW;7f7 }
4#t'1tzu# &"u(0q bind(); // DataGrid1数据绑定函数
7Kym|Zg 7$7|~k 上一页:
!19T=p/:$ if(DataGrid1.CurrentPageIndex >0)
-cUW,>E {
D[W`
q#W DataGrid1.CurrentPageIndex += 1;
JKKp5~_~ curPageIndex-=1;
\Vv)(/q { }
H:b"Vd"x9 M_O$]^I3w bind(); // DataGrid1数据绑定函数
~vP_c(8f f*@
:,4@ 直接页面跳转:
qX&+ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
.0nT*LF [,&g46x22 if(a<DataGrid1.PageCount)
aT/2rMKPF {
BTsvL>Wy this.DataGrid1.CurrentPageIndex=a;
X6sZwb }
-0uGzd+m* A?tCa*b^ bind();
6rS
? FG= \;%D;3Au 29.DataGrid使用:
=ZHN]PP yI=nu53BV 添加删除确认:
Z4z|B& private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*K>2B99TXu {
2 U%t foreach(DataGridItem di in this.DataGrid1.Items)
D~qi6@Ga {
nUY)LnI if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
@MQfeM-@ {
|yNyk7~ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
EAY+#>L* }
=}ZY`O*/ }
Z=hn}QY.( }
ZS l K ?:q"qwt$F 样式交替:
)YCH>Za ListItemType itemType = e.Item.ItemType;
r<]^.]3zj Y&VypZ"G> if (itemType == ListItemType.Item )
uUl ;}W {
c[1{>z{G e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
jKP75jm e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
qZQm*q(jM }
B'Nvl# else if( itemType == ListItemType.AlternatingItem)
FpttH?^ {
~+\A4BW e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
"%
i1zQo& e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
[)IaXa }
"6e3Mj\ 1>_$O|dE 添加一个编号列:
-8:O?]+Q/ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
X"8$,\wX, DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
kPEU }Kv +Kmxo4p for(int i=0;i<dt.Rows.Count;i++)
uA?a
DjA {
}zo-%# dt.Rows["number"]=(i+1).ToString();
C _W]3 }
P^-x 4P2p|Gc3 DataGrid1.DataSource=dt;
),<h6$ DataGrid1.DataBind();
(1,4egMpR uxrNkZia DataGrid1中添加一个CheckBox,页面中添加一个全选框
4pDZ +}p private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
N}|1oQkjf {
Q<osYO{l foreach(DataGridItem thisitem in DataGrid1.Items)
<!u(_Bxw/ {
^[HX#JJ~ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
|bRi bB }
ZZL%5{w_
}
Y\H4.$V 3,+UsB% 将当前页面中DataGrid1显示的数据全部删除
RXPl~]k#i foreach(DataGridItem thisitem in DataGrid1.Items)
BZQJ@lk5 {
c1]\.s if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
IxP$lx {
z ISy\uka string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
7")&njQ/x Del (strloginid); //删除函数
lKirc2 }
WsM/-P1Y }
gn 9CZ `Q^Vm3h 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)
m<9W# WtSlD9 h 在Application_Start中添加以下代码:
Io;26F"" Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
atFu
KYI AppSettings["ConnStr"].ToString();
z:$TW{%M P[cGCmM 31. 变量.ToString()
1 pzd 9e1KH' 字符型转换 转为字符串
K)oN^ 12345.ToString("n"); //生成 12,345.00
A`1/g{Ha 12345.ToString("C"); //生成 ¥12,345.00
!P)7t`X 12345.ToString("e"); //生成 1.234500e+004
_`94CC: 12345.ToString("f4"); //生成 12345.0000
*Oe;JqQkK 12345.ToString("x"); //生成 3039 (16进制)
Z Q9's 12345.ToString("p"); //生成 1,234,500.00%
rNHV > cJX'U9 32、变量.Substring(参数1,参数2);
@}N;C..Y$ \-s'H: 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);
M8lR#2n| p&\x*~6u 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)
mCpoaGV_ <SCRIPT language="javascript">
Q ?W6 <!--
/9yA.W; function gook(pws)
<$;fOp {
ph1veD<ZZ frm.submit();
\E<)B# }
My'6yQL //-->
4a~9?}V: 4B8{\"6 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
CD0SXNi"zH <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
.!t'&eV <tr>
Ec]cCLB <td>
<tTn$<b <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
g'b)] Q <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
v4<x 4 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
/SD2e@x{U Ad7=JzV <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
p>p=nL K <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
0) lG~_q !$5U\"M </td>
Zt[1RMO @le23+q </tr>
R=M${u<t " mE<r2=@ </form>
Wc_Ph40C<_ 8YBsYKC 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。
F3a"SKMW [w)6OT 下面是获取用户输入的登陆信息的代码:
7<?v!vQ}- string name;
Hca)5$yL name=Request.QueryString["EmailName"];
jKu"Vi|j> A|@d4+ try
L*VGdZ {
;z7iUke0% int a=name.IndexOf("@",0,name.Length);
'bg%9} f_user.Value=name.Substring(0,a);
9W7H",wR f_domain.Value=name.Substring(a+1,name.Length-(a+1));
B)"WG7W E f_pass.Value=Request.QueryString["Psw"];
~c3CyOab }
ZA ii"F Kc\0-3 Z catch
ziy~~J {
zn3i2MWS Script.Alert("错误的邮箱!");
[w~1e)D Server.Transfer("index.aspx");
e:.Xs }