1. 打开新的窗口并传送参数:
)q8p k2 W}@c|d $` 传送参数:
#A JDWelD response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3u+T~g0^ U:0mp" 接收参数:
V^bwXr4f string a = Request.QueryString("id");
dO!
kk"qn string b = Request.QueryString("id1");
T $ >&[f$6 ?]_$Dcmx 2.为按钮添加对话框
hj*pTuym Button1.Attributes.Add("onclick","return confirm(’确认?’)");
%K=?@M9i button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
<lPm1/8 *v !9MU9[( 3.删除表格选定记录
l<58A7 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
he;dq)-e9 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
+V ;l6D 61C7.EZZ; 4.删除表格记录警告
Bu~]ey1 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
P~ >OS5^ {
"c%0P"u switch(e.Item.ItemType)
=(j1rW! {
|6sp/38#p case ListItemType.Item :
d;Ym=YHJtn case ListItemType.AlternatingItem :
:^6y7&o[ case ListItemType.EditItem:
*K8$eDNZ TableCell myTableCell;
hd%Fnykq myTableCell = e.Item.Cells[14];
'}53f2%gKa LinkButton myDeleteButton ;
?jv/TBZX4 myDeleteButton = (LinkButton)myTableCell.Controls[0];
$]/{[@5 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
N2^=E1|_ break;
5y.WMNNv{ default:
MzdV2. break;
&
p }
NRs13M<ftf dd %6t }
P9^Xm6QO e5ZX 5.点击表格行链接另一页
24 ' J private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
EIP/V {
@e.C"@G //点击表格打开
X:"i4i[}{9 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Cn34b_Sbd e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
|.: q }
RB7tmJc q_[o"wq/ 双击表格连接到另一页
]nn98y+ !Iy_UfW 在itemDataBind事件中
i
&nSh ]KK if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]g3JZF- {
BO?%'\ string OrderItemID =e.item.cells[1].Text;
zZPO&akB" ...
:1QI8%L'$i e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
=7=]{Cx[ }
oq
Xg 5uGq%(24 双击表格打开新一页
EH J.T~X if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
( Y[Q, {
:D5Rlfj string OrderItemID =e.item.cells[1].Text;
L\J;J%fz. ...
,f%S'(>w e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
~g]Vw4pv }
I3L<[-ZE zFfr.g;L ★特别注意:【?id=】 处不能为 【?id =】
8b&/k8i: 6.表格超连接列传递参数
VPJElRSH <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
w,.TTTad <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
e8a+2.!&\ y'.p&QH'` 7.表格点击改变颜色
sUO`u qZV if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
r(TIw%L$ {
=4YhG;% e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
A:%`wX} this.style.color=’buttontext’;this.style.cursor=’default’;");
-l*|M(N\ }
&jJL"gq" 6Pl<'3& 写在DataGrid的_ItemDataBound里
F0TB<1 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
AO4U}? {
ASA,{w] e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
m.rmM` this.style.color=’buttontext’;this.style.cursor=’default’;");
+Mb.:_7' e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
dFB]~QEK }
GR_-9}jQP `4J$Et%S lukB8 8.关于日期格式
iOghb*aW p?OoC 日期格式设定
tX s\R(?T DataFormatString="{0:yyyy-MM-dd}"
k1~&x$G zY{A'<\O 我觉得应该在itembound事件中
jvL[
JI,b e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Ynj,pl =&]g "a' 9.获取错误信息并到指定页面
S9y} b2Fe<~S{ 不要使用Response.Redirect,而应该使用Server.Transfer
U?Zq6_M& 6<QQ@5_ e.g
@Cyvf5|bL // in global.asax
4xje$/_d
protected void Application_Error(Object sender, EventArgs e) {
`*R:gE= if (Server.GetLastError() is HttpUnhandledException)
M5X&}cN6 Server.Transfer("MyErrorPage.aspx");
%ntRG! Cl7xt}I //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
kgP0x-Ap }
+'HqgSPyb XNkn|q2 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
UB@+ck pz*3N 10.清空Cookie
+I|vzz`ZVr Cookie.Expires=[DateTime];
2HA:"v8 Response.Cookies("UserName").Expires = 0
7Ovi{xd@ ^jZbo{ 11.自定义异常处理
\r+
a GB //自定义异常处理类
[RhO$c$[\ using System;
ea
'D td using System.Diagnostics;
?+@?Up0wGO !l8PDjAE namespace MyAppException
;N0XFjdR {
qo bc<- /// <summary>
Ve; n}mJ? /// 从系统异常类ApplicationException继承的应用程序异常处理类。
kdeWip6Y /// 自动将异常内容记录到Windows NT/2000的应用程序日志
@qAS*3j /// </summary>
*^ZV8c} public class AppException:System.ApplicationException
V**~m9f {
VU3upy< public AppException()
$<EM+oJ|ER {
p_%Rt"! if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
ZBp/sm }
bWU'cw VpDbHAg public AppException(string message)
$'M!HJxb {
iqWQ!r^ LogEvent(message);
on`3&0,. }
<>rneHl8 m;QMQeGz public AppException(string message,Exception innerException)
w<(pl% {
rg!r[1c LogEvent(message);
rjYJs*# if (innerException != null)
Qp3_f8 {
OQJ6e:BGt LogEvent(innerException.Message);
q@8*Xa > }
W/h[A3 `3N }
}K|oicpUg H* *Xu;/5@ //日志记录类
NC(~l using System;
&V/MmmT
using System.Configuration;
*z8\Lnv~k using System.Diagnostics;
k5pN using System.IO;
%*}(}~ using System.Text;
0\P1; ak% using System.Threading;
Ad_hKO M8(t'jN namespace MyEventLog
4H&+dRI" {
37o;; /// <summary>
"^%cJAnLX /// 事件日志记录类,提供事件日志记录支持
jNk%OrP] /// <remarks>
l]8uk^E /// 定义了4个日志记录方法 (error, warning, info, trace)
VMWf>ZU /// </remarks>
0 @oJFJrO /// </summary>
2J BR)P public class ApplicationLog
*$g-:ILRuZ {
uVrd i?3 /// <summary>
+CNv l /// 将错误信息记录到Win2000/NT事件日志中
( a#BV}= /// <param name="message">需要记录的文本信息</param>
wFZP,fQ9l /// </summary>
&tj!*k' public static void WriteError(String message)
4.t-i5 {
%EB/b WriteLog(TraceLevel.Error, message);
Ysv"
6b} }
vdwsJPFbc Gk6iIK /// <summary>
. $vK&k /// 将警告信息记录到Win2000/NT事件日志中
ZJiG!+-j /// <param name="message">需要记录的文本信息</param>
Y}wyw8g/ /// </summary>
G4"F+%. public static void WriteWarning(String message)
5r^(P {
Cw&KVw* WriteLog(TraceLevel.Warning, message);
H qx-;F~0 }
xJ.M;SF4 utV_W& /// <summary>
TM%%O :3 /// 将提示信息记录到Win2000/NT事件日志中
+
{'.7# /// <param name="message">需要记录的文本信息</param>
x[e<} 8'$( /// </summary>
zdam^o public static void WriteInfo(String message)
Zj'9rXhrM1 {
m)v&v6 WriteLog(TraceLevel.Info, message);
'm$L Ij?@ }
)9]P MA?u /// <summary>
p4Z(^+Aa /// 将跟踪信息记录到Win2000/NT事件日志中
vnuN6M{ /// <param name="message">需要记录的文本信息</param>
jnwu9PQ /// </summary>
TB31-
() public static void WriteTrace(String message)
^U/O!GK {
ZbKg~jdF WriteLog(TraceLevel.Verbose, message);
N8df8=.kw }
$[ *w"iQ _|`S3}q|d /// <summary>
;!Fn1|) /// 格式化记录到事件日志的文本信息格式
r5^eNg k /// <param name="ex">需要格式化的异常对象</param>
k+*u/neh /// <param name="catchInfo">异常信息标题字符串.</param>
x]j W<A /// <retvalue>
%8v\FS /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
xyXa . /// </retvalue>
4^<?Wq~ /// </summary>
n+ M <\ public static String FormatException(Exception ex, String catchInfo)
]6j{@z?{ {
C;yZ StringBuilder strBuilder = new StringBuilder();
#GFr`o0$^ if (catchInfo != String.Empty)
Tp2.VIoQ= {
<:CkgR$/{ strBuilder.Append(catchInfo).Append("\r\n");
))Za&S*< }
r<$y=B strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
M"L=L5OH- return strBuilder.ToString();
CTmT@A{ }
~"A0Rs= nO-#Q=H, /// <summary>
%BQ`MZ /// 实际事件日志写入方法
yB!dp;gM{ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
BTxrp /// <param name="messageText">要记录的文本.</param>
`WS&rmq&' /// </summary>
7d\QB(~ private static void WriteLog(TraceLevel level, String messageText)
noj0F::m`j {
%a7$QF] try
-nwypu {
MHwIA *R EventLogEntryType LogEntryType;
A@u@ift switch (level)
N$tGQ@
{
*n!J=yS case TraceLevel.Error:
_yT Ed"$
LogEntryType = EventLogEntryType.Error;
~.|_ RdN break;
Iu6
case TraceLevel.Warning:
Dt1jW LogEntryType = EventLogEntryType.Warning;
J.%IfN break;
/mZE/>&~, case TraceLevel.Info:
2Khv>#l
LogEntryType = EventLogEntryType.Information;
5lum $5 break;
@(lh%@hO case TraceLevel.Verbose:
d_P` qA LogEntryType = EventLogEntryType.SuccessAudit;
xYB{;K break;
2&5K.Ui% default:
GtHivC LogEntryType = EventLogEntryType.SuccessAudit;
R@2X3s: break;
%}T6]S)%u }
*NQ/UXE (tO\)aS= EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
w2'5#`m //写入事件日志
4&iCht
= eventLog.WriteEntry(messageText, LogEntryType);
dF2RH)Ud Qg/rRiV }
<oeIcN7d catch {} //忽略任何异常
d d;T-wa} }
q cno^8R } //class ApplicationLog
:zR!/5 }
@o.I ;}*N Qwc"[N4H 12.Panel 横向滚动,纵向自动扩展
'B}qZCy W <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
WEpoBP
CL )`}:8y? 13.回车转换成Tab
-F>jIgeC2v <script language="javascript" for="document" event="onkeydown">
2T`!v if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Q@H V- (A event.keyCode=9;
0CvUc>Pj`" </script>
[Nq*BrzF .|=\z9_7S8 onkeydown="if(event.keyCode==13) event.keyCode=9"
C7?/%7{ @ .KGfNu 14.DataGrid超级连接列
?%kV?eu' DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
K+iP6B mBC+6(5V 15.DataGrid行随鼠标变色
~{gqsuCCL private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
/7LR;>B j {
H']+L~j if (e.Item.ItemType!=ListItemType.Header)
U;I9 bK8 {
C.QO#b e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
8EEuv-aeo e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
^W@5TkkBQq }
~_ a-E }
GJUL$9 @lt#Nz 16.模板列
/Q )\ + <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
O1kl70,`R <ITEMTEMPLATE>
]N[ 5q=A5 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
cS+>J@L </ITEMTEMPLATE>
Xm2'6f, </ASP:TEMPLATECOLUMN>
u-C)v*#L d5l UGRg <ASP:TEMPLATECOLUMN headertext="选中">
]cruF#`% <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
M@ZI\ <ITEMTEMPLATE>
PxE3K-S)G <ASP:CHECKBOX id="chkExport" runat="server" />
4Xv*wB1 </ITEMTEMPLATE>
b u"!jHPB <EDITITEMTEMPLATE>
jA/w|\d! <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
1i] ^{;] </EDITITEMTEMPLATE>
Y4( </ASP:TEMPLATECOLUMN>
-`t^7pr bYPK h 后台代码
>"<Wjr8W!$ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
sT' 5%4 {
f
V( J| //改变列的选定,实现全选或全不选。
+'w3 =2Bo CheckBox chkExport ;
?0,Ngrbe if( CheckAll.Checked)
FsryEHz {
T,tdL
N- foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
"wHFN>5B {
eR" <33{ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!?gKqx'T$ chkExport.Checked = true;
<"|,"hA }
/FJu)H..U }
6MkP |vr6 else
6K<K {
eGHaY4| foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
O8.5}>gDn. {
,4oo=&
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
>e"#'K0?\ chkExport.Checked = false;
RdML3E }
nj53G67y }
# Vha7 }
}AH]
th 1y4 17.数字格式化
Ez=Olbk %|i`kYsy 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
:Zz
'1C <%#Container.DataItem("price","{0:¥#,##0.00}")%>
zI<<Q2 j,dR,N d int i=123456;
ox (%5c)b| string s=i.ToString("###,###.00");
,nB5/Lx <3hRyG@vB 18.日期格式化
N'`A?&2ru j^2wb+` 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
qm o9G 46&/gehr 显示为: 2004-8-11 19:44:28
R!N%o~C2- EJNU761 我只想要:2004-8-11 】
fx>4 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
=>af@C.2 OH(waKq2I 应该如何改?
pD#rnp>WWt r?
E)obE 【格式化日期】
3x'|]Ns ,>mrPtxN 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
}2<7%FL ` v@m-j6 【日期的验证表达式】
&@Be2!%'9K g~A`N=r;h A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
wov\kV ^((\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})))?$
(rm?jDm l&Q`wR5e B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
zv,jM0- ^\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]))$
(S\[Y9
>_"an~Ss 【大小写转换】
y ~!Zg}o HttpUtility.HtmlEncode(string);
k5.Lna HttpUtility.HtmlDecode(string)
DwE[D]7o iVq'r4S 19.如何设定全局变量
PKg@[<g43 XG{zlOD+ Global.asax中
{go;C} iN8zo:&Z Application_Start()事件中
Doyx[zZ LR.<&m%~. 添加Application[属性名] = xxx;
GqaCj^2f 9c,'k#k 就是你的全局变量
dufu|BL|} =Qj{T 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Y;^l%ePuW Hp!-248 S HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
3E $f) 9BBmw(M} 【ASPNETMENU】点击菜单项弹出新窗口
'Nnz k EF}\brD1 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
O$j7i:G'5 <?xml version="1.0" encoding="GB2312"?>
" h~Zu <MenuData ImagesBaseURL="images/">
PB`Y
g <MenuGroup>
F]]]y5t <MenuItem Label="内参信息" URL="Infomation.aspx" >
n QZwC
<MenuGroup ID="BBC">
FX`>J6l:X <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
e+BQww <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
O6a<`]F ......
^-Kf']hU j8{i#;s!" 最好将你的aspnetmenu升级到1.2版
'+!1Y o'G zFws:_ i 21.读取DataGrid控件TextBox值
sF?TmBQ* foreach(DataGrid dgi in yourDataGrid.Items)
O{G?;H$ {
BmMGx8P TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
>xYpNtEs tb.Text....
ZC`wO%, }
]kRfB:4ED '(yAfL 9} 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?
}mq6]ZrK )j(7]uX` 〖思归〗
,nLy4T&" <asp:TemplateColumn HeaderText="数量">
#9}D4i.`} <ItemTemplate>
X0H!/SlS <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
T?soJ]A onkeyup="javascript:DoCal()"
wb5baY9 />
8 \ +T8(m m=A(NKZ
<asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
K'Tm_"[u </ItemTemplate>
;F!5%}OcL% </asp:TemplateColumn>
>WQMqQ^t@ z/WE,R <asp:TemplateColumn HeaderText="单价">
EZy)A$| <ItemTemplate>
!&ayYu##{ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
zH4D 8@[7O onkeyup="javascript:DoCal()"
EQyC1j />
w\}ieI8J '}JhzKNj <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
~u!|qM EC6DW= </ItemTemplate>
]kG"ubHV?h </asp:TemplateColumn>
.TMs bZ|j o]` *M| <asp:TemplateColumn HeaderText="金额">
)}]g]
g <ItemTemplate>
X_ cV%# <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
gsvuE </ItemTemplate>
q J=~Y|( </asp:TemplateColumn><script language="javascript">
w%VU/6~ function DoCal()
"XKy#[d2 {
?m=N]!n var e = event.srcElement;
.hP D$o var row = e.parentNode.parentNode;
a|x.C6Pe var txts = row.all.tags("INPUT");
w d^': if (!txts.length || txts.length < 3)
|zNX=mAV return;
)uIe&B
*@r/5pM2} var q = txts[txts.length-3].value;
,I$`-$_' var p = txts[txts.length-2].value;
M~#g RAUJ e7r-R3_ if (isNaN(q) || isNaN(p))
n Fg~< $d return;
Ae^~Cz1qz )!Z*.? q = parseInt(q);
?|C2*?hZ+ p = parseFloat(p);
s1$nvTzBr VimE@ Hz txts[txts.length-1].value = (q * p).toFixed(2);
Mzw<{*:r }
'!cCMTj </script>
Oo8VeRZ V/LLaZTE Nk
8 B_{ qQ/^@3tXL o>i4CCU+ 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。
E *6Cw
l page_load
UWJ8amA page.smartNavigation=true
V-2(?auZd VT`^W Hu 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 ?
\0I_< private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
sPQQ"|wU {
_|\~q[ep for(int i=0;i<e.Item.Cells.Count-1;i++)
L>NL:68yN if(e.Item.ItemType==ListItemType.EditType)
bMu+TgAT, {
JCzeXNY e.Item.Cells.Attributes.Add("Width", "80px")
YQ)kRhFA }
9@:2wR | }
)Y0!~#
` G1tY) _-8[ 26.对话框
syj0.JD private static string ScriptBegin = "<script language=\"JavaScript\">";
t?&|8SId private static string ScriptEnd = "</script>";
6f>{"' NC`aP0S public static void ConfirmMessageBox(string PageTarget,string Content)
S-b/S5 {
<C iSK! string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
1~`fVg Rz/gtEP ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
mzKiO_g} E \EsWb Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
uEP*iPLD@ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
,0Hr2*p //Response.Write(strScript);
({)+3]x }
(Q!}9K3 RnE4<Cy 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
*W1dG#Np} 6ex/TySM 1.1 取当前年月日时分秒
EU;9*W< currentTime=System.DateTime.Now;
1{.|+S Z! ^|>PA:% 1.2 取当前年
T!kN)#S int 年= DateTime.Now.Year;
RJ&RTo B{#I:Rs9 1.3 取当前月
vWv" int 月= DateTime.Now.Month;
xml7Uarc ]^7@}Ce_ 1.4 取当前日
[kB7@o int 日= DateTime.Now.Day;
9T9!kb Vwf$JdK%&l 1.5 取当前时
iy!=6 int 时= DateTime.Now.Hour;
2- h{N
#A/ 1.6 取当前分
8MtGlW%Eh int 分= DateTime.Now.Minute;
HM1Fz\Sf ~jk|4`I?T 1.7 取当前秒
m?}6)\ob int 秒= DateTime.Now.Second;
o#Dk&
cH rJ4S%6w 1.8 取当前毫秒
+ GN(Ug'R int 毫秒= DateTime.Now.Millisecond;
8/cX]J #p&qUw 28.自定义分页代码:
3(N$nsi 9;u@q%;!k 先定义变量 :
RSRS wkC public static int pageCount; //总页面数
ltSU fI public static int curPageIndex=1; //当前页面
d&Zpkbh" o5PO=AN 下一页:
Mb}QD~=M if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
my1@41
H {
Pmx-8w DataGrid1.CurrentPageIndex += 1;
cqkV9f8Ro curPageIndex+=1;
JPHL#sKyz }
R) h#Vc( |YWD8 + bind(); // DataGrid1数据绑定函数
_;y9$"A ]s'as9s9 上一页:
RbnVL$c if(DataGrid1.CurrentPageIndex >0)
; DR$iH-F {
vh%B[brUJ DataGrid1.CurrentPageIndex += 1;
g:@#@1rB6 curPageIndex-=1;
FD
#8mg }
%wy.TN 9$w.9`Py bind(); // DataGrid1数据绑定函数
C{rcs' M|h3Wt~7 直接页面跳转:
`U_)98 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Wn2NMXK 9TC,!0U{_. if(a<DataGrid1.PageCount)
KV *#T20T {
mq.`X:e this.DataGrid1.CurrentPageIndex=a;
vvMT}-! }
.L~AL|2_ Zu[su>\ bind();
~<bZ1TD v\ )W?i*l 29.DataGrid使用:
Ui W>J Wac&b 添加删除确认:
n-;`Cy`k private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
^yp{32 {
vk^xT foreach(DataGridItem di in this.DataGrid1.Items)
6H$FhJF {
8nV+e~-w if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
24eLB?H {
q<1~ vA9 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
u6JM]kR }
Xx:"4l.w. }
Y$_B1_ }
U5de@Y aW7^d'ZZ\ 样式交替:
onzxx4bax ListItemType itemType = e.Item.ItemType;
h:|qC`} F JyT+ if (itemType == ListItemType.Item )
} q8ASYNc {
n:!_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
8d'0N e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
YOO+R{4( }
26h21Z16q else if( itemType == ListItemType.AlternatingItem)
rx|pOz,: {
sPIn|d e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
'H;*W |:-] e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
$!t4r }
Gd85kY@w7 bk[!8-b/a 添加一个编号列:
RA
L~!"W DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
\9T7A& DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
[7y]n;Fy #H~64/ for(int i=0;i<dt.Rows.Count;i++)
K}Qa~_ {
T>W,'H dt.Rows["number"]=(i+1).ToString();
<a3WKw }
CrTw@AW9) pQB."[n DataGrid1.DataSource=dt;
~k5W@`"W DataGrid1.DataBind();
VIf.q)_k t]G:L}AOl DataGrid1中添加一个CheckBox,页面中添加一个全选框
JBZ@'8eqi] private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
-KbYOb {
ns4,@C$ foreach(DataGridItem thisitem in DataGrid1.Items)
jPkn[W#
6 {
hDGF7 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
#/37V2E }
9Mcae31 }
^iYj[~ u*9V&>o 将当前页面中DataGrid1显示的数据全部删除
U6s[`H3I{ foreach(DataGridItem thisitem in DataGrid1.Items)
)+Pus~w {
uyx 2;f if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
d0>
zS {
2
yz _ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
`Q,H|hp;k; Del (strloginid); //删除函数
DtnEi4h, }
f*8DCh!r" }
-UT}/:a e+K^Aq 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)
?Mfw]z"\C) =2x^nW 在Application_Start中添加以下代码:
\l3h0R Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
-s/ea~=R AppSettings["ConnStr"].ToString();
>
Nr#O TL#3;l^ 31. 变量.ToString()
fF kj+ 2J;g{95z 字符型转换 转为字符串
FN73+-:n:j 12345.ToString("n"); //生成 12,345.00
$ME)#( 12345.ToString("C"); //生成 ¥12,345.00
*{{89E>wC 12345.ToString("e"); //生成 1.234500e+004
tLmTjX .6 12345.ToString("f4"); //生成 12345.0000
TS5Q1+hWHV 12345.ToString("x"); //生成 3039 (16进制)
yV(\R 12345.ToString("p"); //生成 1,234,500.00%
rrv%~giU L/^I*p, 32、变量.Substring(参数1,参数2);
<54
S GPkpXVm 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
a.6(K cN9t{.m 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
n'w.;
q <SCRIPT language="javascript">
t
|oR7qa{w <!--
g=o4Q<
#^y function gook(pws)
hR|MEn6KC {
|zE'd!7E frm.submit();
)\^-2[; }
FxtI"g\0 //-->
N}YkMJy \nqS+on] </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
_wL BA^d^ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
c[Zje7 @ <tr>
5*D/%]YsD <td>
sn>~O4" <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
6S\8$ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
00U> F <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
/H+a0`/ SK.: Q5: <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
GvlS% <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
BL58] P84 ,,|^%Ct'] </td>
'[O;zJN; @ur+;IK$ </tr>
3{(/x1a,4 *HB-QIl </form>
r!{Up7uL ^y4Z+Gu[ 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。
Vs{|xG7WD gKCX|cULY 下面是获取用户输入的登陆信息的代码:
Oz#{S:24M+ string name;
pFz`}?c0 name=Request.QueryString["EmailName"];
S>;
5[l 4 q6X1P"%. try
y L~W.H {
,wdD8ZT'Ip int a=name.IndexOf("@",0,name.Length);
Lq!>kT<]! f_user.Value=name.Substring(0,a);
Mh
7DV f_domain.Value=name.Substring(a+1,name.Length-(a+1));
7i1q wRv f_pass.Value=Request.QueryString["Psw"];
k+l b@! }
U|j`e5) n@[O|?S catch
jOD?|tK& {
*siFj
CN< Script.Alert("错误的邮箱!");
Xm2z}X(% Server.Transfer("index.aspx");
u08mqEa }