1. 打开新的窗口并传送参数:
s[Ur~Wvn ! <WBCclX 传送参数:
J# kl
7 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
J/A[45OD 2Cg$,#H 接收参数:
4m-I5!=O string a = Request.QueryString("id");
8by@iQ string b = Request.QueryString("id1");
U,Mx@KdV D?M!ra 2.为按钮添加对话框
xE-7P|2 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
?U7) XvQ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
aTzDew -@&1`@):{ 3.删除表格选定记录
x#C@8Bxq= int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
:|1.seLQ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Q# ?wXX47 M=]5WZO~A 4.删除表格记录警告
X_$a,"'~) private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
;
"3+YTtp {
~np,_yI switch(e.Item.ItemType)
^S#t|rN
{
G9g6.8*& case ListItemType.Item :
`8\Ja$ = case ListItemType.AlternatingItem :
/VHi> case ListItemType.EditItem:
H UWxPIu TableCell myTableCell;
NcM>{{8 myTableCell = e.Item.Cells[14];
bY~@}gC**@ LinkButton myDeleteButton ;
[/RM=4Nh5 myDeleteButton = (LinkButton)myTableCell.Controls[0];
!q"CV myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
)$Z(|M4 break;
P;]F=m+*V default:
[hRU&z;W break;
~svO*o Wa }
Vc3mp;6" OJb*VtZz5R }
s:y
^_W)d (5$ZvXx?} 5.点击表格行链接另一页
AD('=g J private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
VzlDHpG {
W
>(vYU //点击表格打开
+' oX if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
EN!?:RV e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
!8tS|C#2 }
vf~`eT
u2(eaP8d 双击表格连接到另一页
9TxyZL
as"N=\N 在itemDataBind事件中
4O{Avt7C if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
nkeI60 {
La[K!u\B string OrderItemID =e.item.cells[1].Text;
UF__O.l__ ...
qO`qJ/ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
vs&8wbS) }
_U)%kY8 8n?kZY$, 双击表格打开新一页
9j|gdfb%ml if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<JI&
{1 {
1MA@JA:T string OrderItemID =e.item.cells[1].Text;
G.U5)4_^ ...
Rn+4DcR e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
1QJBb \ }
~=y3Gd
B3 sP$Ks#/ ★特别注意:【?id=】 处不能为 【?id =】
"t(wG{RxY 6.表格超连接列传递参数
2}t&iG|0/ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
gd^Js1Z <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
{b!7
.Cd= qS8B##x+= 7.表格点击改变颜色
>[a<pm! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
'i>xf
^ {
CL7Nr@ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
~0-g%C?R this.style.color=’buttontext’;this.style.cursor=’default’;");
?q91:H }
RHNk%9 CV.+P- 写在DataGrid的_ItemDataBound里
_`a&9i
& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
.gYt0raSY {
'5H4z7) e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
$R^lo$( this.style.color=’buttontext’;this.style.cursor=’default’;");
#2%([w e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
M2T| "Q"= }
[B6DC`M nwM)K
h
; kfh. 8.关于日期格式
)%JD8;[Jq @%W]".*'} 日期格式设定
i</J @0}y DataFormatString="{0:yyyy-MM-dd}"
'dt\db5p +2T!z= 我觉得应该在itembound事件中
[>w%CY<Fd e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
5 d ;|=K r[HT9 9.获取错误信息并到指定页面
w+f=RHX"{ G?V"SU. 不要使用Response.Redirect,而应该使用Server.Transfer
QD<eQsvV KAb(NZK e.g
,{<p // in global.asax
YL5>V$i protected void Application_Error(Object sender, EventArgs e) {
y@apJ;_R- if (Server.GetLastError() is HttpUnhandledException)
J4yt N3 Server.Transfer("MyErrorPage.aspx");
QB1M3b Q_}/ Pn$1 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
m)f|:MM }
?y-s20Kd 4#Eul Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Jyu`-=It mtw9AoO 10.清空Cookie
e.X@] PQJQ Cookie.Expires=[DateTime];
n,KA&)/s Response.Cookies("UserName").Expires = 0
3ps,uozj C{Blqf3V0 11.自定义异常处理
D@vMAW //自定义异常处理类
\f"?Tv-C' using System;
N8+P using System.Diagnostics;
8wF#e\Va0 &=-PRza%j namespace MyAppException
9e5gy {
(fXq<GXAn/ /// <summary>
l\}25
e /// 从系统异常类ApplicationException继承的应用程序异常处理类。
:t2B^})\ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
/PC` 0/b /// </summary>
#%cR%Z public class AppException:System.ApplicationException
F 1} {
'TX M{RGw public AppException()
.xpmp6- {
EUwQIA2c8N if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
r'd/qnd }
K+mU_+KRp R`Qpd3 public AppException(string message)
(2%>jg0M {
5\G)Q<A]*L LogEvent(message);
]_2yiKv& }
? ICDIn /J;]u3e| public AppException(string message,Exception innerException)
qeMv
Vf {
od,tfLw4 LogEvent(message);
p\+6"28{_~ if (innerException != null)
~V$ f#X {
@"8~Y|L93 LogEvent(innerException.Message);
jYdV?B }
;](h2Z`3s }
aQh?}=d a l;5`0N?QO //日志记录类
}jcIDiSu using System;
Opry`}5h using System.Configuration;
CZfE
|T~ using System.Diagnostics;
b"P&+c using System.IO;
5&qY3@I7l using System.Text;
#PH#2/[ using System.Threading;
X2P``YFV{ {_as!5l namespace MyEventLog
b_ JWnh {
I{<;;;a /// <summary>
<_f`$z /// 事件日志记录类,提供事件日志记录支持
vXf:~G] /// <remarks>
xOM_R2Md /// 定义了4个日志记录方法 (error, warning, info, trace)
08io<c,L /// </remarks>
*+~D+_, /// </summary>
ZvyjMLf public class ApplicationLog
;o%:7& {
%1Jd^[W /// <summary>
#Gp
M22d'( /// 将错误信息记录到Win2000/NT事件日志中
\^m.dIPdO /// <param name="message">需要记录的文本信息</param>
LJ
l1v /// </summary>
TMY{OI8 a public static void WriteError(String message)
>D3zV.R {
5U;nhDmM WriteLog(TraceLevel.Error, message);
5m3'Gt4 }
#4q1{)= '^B3pR: /// <summary>
+{Gw9h"5g* /// 将警告信息记录到Win2000/NT事件日志中
N&N 82OG /// <param name="message">需要记录的文本信息</param>
<O
bH f`Q /// </summary>
M1gP
R public static void WriteWarning(String message)
X{'wWWZC {
qSR?,G WriteLog(TraceLevel.Warning, message);
@e={Wy+Vm( }
xcnt?%%M 8L{$v~ + /// <summary>
dv[\.T`LY /// 将提示信息记录到Win2000/NT事件日志中
'XEK&Yi1 /// <param name="message">需要记录的文本信息</param>
j
aD! /// </summary>
-7,vtd[h public static void WriteInfo(String message)
Q~h6J* {
QglYU WriteLog(TraceLevel.Info, message);
?d#Lr*m }
!4L#$VG /// <summary>
XX:q|?6_ 4 /// 将跟踪信息记录到Win2000/NT事件日志中
V-:`+&S{^ /// <param name="message">需要记录的文本信息</param>
9kUV1? /// </summary>
Gzj3Ka public static void WriteTrace(String message)
&R0OeRToUb {
;h~?ko WriteLog(TraceLevel.Verbose, message);
LEA;dSf }
&E`9>&~J GP Ix@k /// <summary>
tgK x 4 /// 格式化记录到事件日志的文本信息格式
.oEFX8 /// <param name="ex">需要格式化的异常对象</param>
-t%L#1k /// <param name="catchInfo">异常信息标题字符串.</param>
.u&|e /// <retvalue>
i@Vs4E[b /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
B0S8vU /// </retvalue>
IF& PGo /// </summary>
v'K
% %z public static String FormatException(Exception ex, String catchInfo)
G~O" / WM
{
`)LIVi"(D StringBuilder strBuilder = new StringBuilder();
/XjN%| if (catchInfo != String.Empty)
vB=;_=^i1 {
Bmmb strBuilder.Append(catchInfo).Append("\r\n");
:mzCeX8 * }
#fO*ROe strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
QZ?O;K1|y return strBuilder.ToString();
H'D#s;SlR }
BQE{ VVgsLQd /// <summary>
yW[L,N7d /// 实际事件日志写入方法
+tPx0>p; /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
*ZX!EjICk /// <param name="messageText">要记录的文本.</param>
OA!R5sOz" /// </summary>
P4i3y{$V private static void WriteLog(TraceLevel level, String messageText)
KU*`f{| {
_F3KFQ4,S- try
`B:B7Cpvn {
(/('nY EventLogEntryType LogEntryType;
d\\r_bGW switch (level)
(21']x {
_w\Y{(k case TraceLevel.Error:
10/x'#( LogEntryType = EventLogEntryType.Error;
Q %+} break;
#aj|vox} case TraceLevel.Warning:
^}>zYt LogEntryType = EventLogEntryType.Warning;
q^)=F_QvG break;
-*rHB&e case TraceLevel.Info:
b{zAJ`|#[n LogEntryType = EventLogEntryType.Information;
-3u@hp_ break;
]Jja case TraceLevel.Verbose:
vU ?b"n LogEntryType = EventLogEntryType.SuccessAudit;
GJ.kkTMT break;
Ng?apaIi@~ default:
u,:CJ[3 LogEntryType = EventLogEntryType.SuccessAudit;
#,7eQaica break;
2O$95M }
$+A%ODv 'y'T'2N3 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
=U=e?AOG2 //写入事件日志
&b5T&-C< eventLog.WriteEntry(messageText, LogEntryType);
vYYS.ve dK[* }
?s1u#'aO catch {} //忽略任何异常
s*aH`M7^0
}
)3BR[*u* } //class ApplicationLog
=X)Q7u".7 }
v<{wA`'R+ A Z]P+v 12.Panel 横向滚动,纵向自动扩展
-08&&H <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
pp*bqY aJEbAs} 13.回车转换成Tab
}Q47_]5 <script language="javascript" for="document" event="onkeydown">
c Bg,k[, if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~gSwxGT7d event.keyCode=9;
i_[^s:*T </script>
SPfD2%jjC Uzan7A onkeydown="if(event.keyCode==13) event.keyCode=9"
/'R UA DZ%g^DRZX 14.DataGrid超级连接列
LvSP #$f DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
b`(yu.{Jn 9`)w@-~~ 15.DataGrid行随鼠标变色
.jvSAV5B private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3'?h;`v\Lo {
2N
L:\%wz if (e.Item.ItemType!=ListItemType.Header)
>{phyByI {
6T R8D\
e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
83{x"G3> e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
pe\Txg6 }
IyrZez }
+io;K]C y%{*uH}SL 16.模板列
qk_p}l-F1 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
_#/!s]$d#
<ITEMTEMPLATE>
[
c ~LY4: <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
H.jLGe> </ITEMTEMPLATE>
:5TXA </ASP:TEMPLATECOLUMN>
~a|^?7@p #)W8. <ASP:TEMPLATECOLUMN headertext="选中">
?)Tz'9l <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
n@G:e-m{A <ITEMTEMPLATE>
A8_\2'b <ASP:CHECKBOX id="chkExport" runat="server" />
7xLo4 </ITEMTEMPLATE>
}9L 40)8 <EDITITEMTEMPLATE>
w/lXZg <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Paae-EmC </EDITITEMTEMPLATE>
U@o2gjGN </ASP:TEMPLATECOLUMN>
OVDMC4K2z! _7-"VoX 后台代码
QVnO
protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
|#DC.Ga! {
7bgnZ]r8t //改变列的选定,实现全选或全不选。
\SYPu,ZT CheckBox chkExport ;
",MK'\E if( CheckAll.Checked)
aX>4Tw {
xTa4.ZXg foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
hN>('S-cq {
JxX
jDYrU chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
0C7thl{Dms chkExport.Checked = true;
;']vY }
.fio<mqi }
n4ds;N3Hd else
UPfFT^=y {
iFAoAw( foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
377j3dP {
\j,v/C@c- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
0Zc*YdH chkExport.Checked = false;
v`z=OHc }
z4%Z6Y }
1A|x$j6m }
q3,P|&T ,xAM[h& 17.数字格式化
%4|n-`: _'?8s6 H 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
RT.wTJS; <%#Container.DataItem("price","{0:¥#,##0.00}")%>
WU+Jo@]y |x _-I#H int i=123456;
_|^&eT-u string s=i.ToString("###,###.00");
d&[M8( J[<D/WIH 18.日期格式化
;55tf
l ?L<UOv7;t 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
S7Iu?R_I C:tSCNH[ 显示为: 2004-8-11 19:44:28
[I+)Ak5 H#1*'e> 我只想要:2004-8-11 】
Ux%\Y.PPI <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
^'C,WZt o+if%3 应该如何改?
%S(#cf!HP $>S}acuC 【格式化日期】
C*W.9 9sfB+]}h 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
\dp9@y[^ 'gk81@| 【日期的验证表达式】
zJy 89ib' h+zkVRyA A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
v$.JmL0^J ^((\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})))?$
&9RW9u " ;EE&~&*w B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
*oX ^\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]))$
Up/eV}C t9f4P^V` 【大小写转换】
0aTEJX$iZ HttpUtility.HtmlEncode(string);
`aO@N( HttpUtility.HtmlDecode(string)
RF,=bOr19 Mu_mm/U_ 19.如何设定全局变量
N:PA/V^z V:0uy> Global.asax中
bgzT3KZ '1kj:Np Application_Start()事件中
:N+#4rtgUY .qb_/#Bas 添加Application[属性名] = xxx;
e~>p.l | `)V^e_ 就是你的全局变量
%/6e"o _ RT"1"r 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
}(g+: ]p- i)ES;b4 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
HYI1 o/} 764}yV> 【ASPNETMENU】点击菜单项弹出新窗口
+>i<sk )bIK0h 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
S}v{^vR <?xml version="1.0" encoding="GB2312"?>
l_YdIUl <MenuData ImagesBaseURL="images/">
"j.oR}s9?# <MenuGroup>
z2s|.M]&-D <MenuItem Label="内参信息" URL="Infomation.aspx" >
<mo^Y k3 <MenuGroup ID="BBC">
"zeJ4f <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
{-v\&w <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
>jrz;r ......
Vhbj.eX.) 11@2 ;vw 最好将你的aspnetmenu升级到1.2版
LjH&f 4mY $D,
wO 21.读取DataGrid控件TextBox值
FkxhEat8 foreach(DataGrid dgi in yourDataGrid.Items)
GmmT'3Q {
T^(n+ lv TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Mc$v~|i6 tb.Text....
\MFWK#W }
:)J~FVLy }^GV(]K 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?
$5Y^fwIK
f_5R!; 〖思归〗
hPqapz]HcP <asp:TemplateColumn HeaderText="数量">
xXY)KI
N[ <ItemTemplate>
8@LykJbP <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
=:n[{/O= onkeyup="javascript:DoCal()"
YCB 3 />
wsb=[$C [y=$2 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
MMxoKL </ItemTemplate>
vVAZSR# </asp:TemplateColumn>
xeP;"J} u>Axq3F <asp:TemplateColumn HeaderText="单价">
QkCoW[sn <ItemTemplate>
/nMqEHCyg <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Vm1 c-,)3 onkeyup="javascript:DoCal()"
Xv5Ev@T />
Y(I*%=:$ |H+k?C-w <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
3]kAb`9[K2 0JZq:hUd </ItemTemplate>
Bn#HJ17/# </asp:TemplateColumn>
H'= i xU\:Vid+A <asp:TemplateColumn HeaderText="金额">
1O3<%T#LOZ <ItemTemplate>
c;|&>Fp <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
pqQdr-aR= </ItemTemplate>
<>*''^ </asp:TemplateColumn><script language="javascript">
9
<kkzy function DoCal()
%yuIXOJ {
W}e[.iX; var e = event.srcElement;
c;~Llj
P var row = e.parentNode.parentNode;
C O%O<_C var txts = row.all.tags("INPUT");
(krG0S:0Q if (!txts.length || txts.length < 3)
RH'F<!p return;
*(SBl}f4l A$"$`)P! var q = txts[txts.length-3].value;
ZV<y=F*~f var p = txts[txts.length-2].value;
Ff#N|L'9_ fN*4(yw if (isNaN(q) || isNaN(p))
ubC JZ"! return;
aXK%m
E Pd.atA q = parseInt(q);
U5ud?z()OA p = parseFloat(p);
f s"V'E2a p_40V%y^ txts[txts.length-1].value = (q * p).toFixed(2);
vVN[bD< }
={i&F </script>
+$m skj0s HG3>RcB qP^0($ E~g}DKs_5 )RCqsFjK 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。
wPO@f~[Ji page_load
ohtn^o;C} page.smartNavigation=true
_2!e!Z )J6b:W 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 ?
fi4/@tV?$L private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
%/4_|@<' {
J%[N- for(int i=0;i<e.Item.Cells.Count-1;i++)
T#^6u) if(e.Item.ItemType==ListItemType.EditType)
"KTnX#<0 {
{FmFu$z+[ e.Item.Cells.Attributes.Add("Width", "80px")
u/:Sf*;? }
"vRqtEBO@ }
gMK3o8B/ #/v_h6$ 26.对话框
Tx?@*Q private static string ScriptBegin = "<script language=\"JavaScript\">";
nPIR1Z private static string ScriptEnd = "</script>";
4a \+o] ]jY)M<:J4 public static void ConfirmMessageBox(string PageTarget,string Content)
n]{}C.C= {
N8(x), string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
];}|h|q/{} /sC[5G% ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
v*]Xur6e} YK+Z0ry Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
.6/p4OR| ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
|2&mvjk@H //Response.Write(strScript);
gLxyRbVI }
hE#8_3 4%s x
w83K 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
7<Js'\Z |Gs-9+'y 1.1 取当前年月日时分秒
2?nyPqT3AM currentTime=System.DateTime.Now;
:@ 8.t,| ! tPK"k 1.2 取当前年
ZXDMbMD int 年= DateTime.Now.Year;
COL8YY 3Co>3d_ 1.3 取当前月
MmX[xk int 月= DateTime.Now.Month;
R]sjG< GQ)cUrXQz 1.4 取当前日
m)RxV@ int 日= DateTime.Now.Day;
b2f2WY |z> VM|)\?Q 1.5 取当前时
.MPOUo/e int 时= DateTime.Now.Hour;
O
xaua 4wD^?S!p 1.6 取当前分
Q)X\VQcgj int 分= DateTime.Now.Minute;
&J@ZF<Ib 2}Plr{s9 1.7 取当前秒
AX Jj"hN int 秒= DateTime.Now.Second;
*ik)>c_ B=/=U7T 1.8 取当前毫秒
>Ez}r(QQ^ int 毫秒= DateTime.Now.Millisecond;
daJ-H ;RZa<2 28.自定义分页代码:
7IW7'klkvD g^^m
a}i 先定义变量 :
5P2FNUKL public static int pageCount; //总页面数
|-Klh public static int curPageIndex=1; //当前页面
{ 3P!b|V> Y k6WSurw 下一页:
RXvcy< if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
H$iMP.AK {
\/%Q PE8 DataGrid1.CurrentPageIndex += 1;
.shI%'V curPageIndex+=1;
Ds5&5&af }
^o<Nz8 F+^[8zK^ bind(); // DataGrid1数据绑定函数
a2)*tbM9\ '~=xP 上一页:
ky"7 ^ if(DataGrid1.CurrentPageIndex >0)
fb=vO U {
l{{ #tW DataGrid1.CurrentPageIndex += 1;
X
KeK;+ curPageIndex-=1;
EqwA8?M }
OU=IV;V{ Dp'af4+%$ bind(); // DataGrid1数据绑定函数
Y mSaIf iU|C<A%Hh 直接页面跳转:
-/*{^[ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
ViONG]F ;yoq/ if(a<DataGrid1.PageCount)
r2`?Ta {
[vJosbU; this.DataGrid1.CurrentPageIndex=a;
_\]UA?0 }
cl8Mv ~t$VzL1 bind();
JsdEA ../(gG9 29.DataGrid使用:
|'(IWU h 'CLf] 添加删除确认:
SK2pOZN private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
v3]M;Y\ {
N#qoKY(# foreach(DataGridItem di in this.DataGrid1.Items)
wOSNlbQ5jl {
O3^@" IY if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
KX@Fgs {
[)KfRk?};2 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
sbb{VV`I }
FpYoCyD} }
I!%@|[ Ow }
`Q[$R&\ e=C,`&sz 样式交替:
]vG)lY.= ListItemType itemType = e.Item.ItemType;
^B]t4N2i XiUsaoQm3 if (itemType == ListItemType.Item )
(9h{6rc=I {
P|4a}SWU e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
3*L,48wX e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
'c]&{-w<i }
z#ET-[I else if( itemType == ListItemType.AlternatingItem)
/;J;,G`? {
V!4E(sX e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
;">hCM7 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
tt OsL')| }
DenCD9 f *9 xD]ZZF 添加一个编号列:
|9@;Muq; DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
R 1\]Y DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
ENr&k(>0HQ NIGFu{S for(int i=0;i<dt.Rows.Count;i++)
_TiF}b!hi {
O5"80z38[ dt.Rows["number"]=(i+1).ToString();
VzNH% }
r,\(Y@I A#{*A DataGrid1.DataSource=dt;
C8-q<t#SF DataGrid1.DataBind();
LPClE5 CK%W+"; DataGrid1中添加一个CheckBox,页面中添加一个全选框
TlJF{ <E private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
nfU}ECun4 {
O\z%6:'M foreach(DataGridItem thisitem in DataGrid1.Items)
l,3tU|V {
uW|y8 BP $ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
^|2qD:
; }
W*#/@/5 }
jLU)S) SX.v5plhc 将当前页面中DataGrid1显示的数据全部删除
XPSWAp) foreach(DataGridItem thisitem in DataGrid1.Items)
G%{jU'2 {
fzcT(y
if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Xb {y*', {
xae7#d0 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
T/nRc_I+^B Del (strloginid); //删除函数
6{ Eh={:b }
1U!CD-%( }
5,3h'\ "! h&P[9:LH 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)
N~_gT
Jr~P :8FH{sqR 在Application_Start中添加以下代码:
z%z$'m Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
+xa2e?A%L AppSettings["ConnStr"].ToString();
YrX{,YtiX G5Nub9_*X 31. 变量.ToString()
y+_U6rv[ =>Efrma 字符型转换 转为字符串
92R{V%)G 12345.ToString("n"); //生成 12,345.00
7UiU3SUcg 12345.ToString("C"); //生成 ¥12,345.00
K} @q+ 12345.ToString("e"); //生成 1.234500e+004
{1mD(+pJ{ 12345.ToString("f4"); //生成 12345.0000
"|H0 X# 12345.ToString("x"); //生成 3039 (16进制)
%vI]"a@ 12345.ToString("p"); //生成 1,234,500.00%
%$Uw]a 'DPSM?]fA 32、变量.Substring(参数1,参数2);
*^]ba> #=2~MXa@z7 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);
5;+Bl@zGu x[E`2_Ff 0 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)
Tu"](|I> <SCRIPT language="javascript">
0&)4^->c <!--
\_oHuw function gook(pws)
(<