1. 打开新的窗口并传送参数:
-$Kc"rX E7hs+Mh 传送参数:
_8-T?j**
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
/3VO!V]u PgHmOs 接收参数:
i_QiE2d string a = Request.QueryString("id");
d$xvM string b = Request.QueryString("id1");
_wX(OB {d]B+' 2.为按钮添加对话框
:>Qu;Z1P Button1.Attributes.Add("onclick","return confirm(’确认?’)");
)X:Sfk button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
adRIg:2 c5:0`~5Fn 3.删除表格选定记录
!%DE(E*'(
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
y?A*$6 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
2(Yg',aMY- )?$@cvf 4.删除表格记录警告
>n(dyU @ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Sa0IRC<LV {
TTbJ9O<43 switch(e.Item.ItemType)
V~Z)^.6 {
XD|Xd|/ { case ListItemType.Item :
uEG4^ case ListItemType.AlternatingItem :
;!lwB case ListItemType.EditItem:
bv7xh*/ TableCell myTableCell;
'.8eLN myTableCell = e.Item.Cells[14];
1?3+> LinkButton myDeleteButton ;
(w\|yPBB myDeleteButton = (LinkButton)myTableCell.Controls[0];
13)6p|6x myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
q?)5yukeF break;
TU6YS< default:
aY;34SF break;
j9GKz1 }
e'c3.sQ|? 7y42)X }
o?~27 8 nqF i 5.点击表格行链接另一页
qJO6m-
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
-dN`Ok<g {
Y,EF'Ot //点击表格打开
+JY8"a97> if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
JUXBMYFus e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
!0|&f>y }
L<XX?I\p #7]>ozKm 双击表格连接到另一页
r'_#rl 9C{Xpu 在itemDataBind事件中
l@u
"iGw if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6W3."}; {
x1STjI>i string OrderItemID =e.item.cells[1].Text;
$}5M`p\&C ...
Z=;=9<vA e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
e%4vvPp }
lw?C:-m %[ *+ 双击表格打开新一页
w (X} if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
*CAz_s< {
.y_ ~mr&d string OrderItemID =e.item.cells[1].Text;
_3O*"S=1 ...
nD>X?yz2 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
:_2:Fh.}3~ }
oL }d=x/ HU|qeSyel ★特别注意:【?id=】 处不能为 【?id =】
N~or.i&a 6.表格超连接列传递参数
odJE~\\hw <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
H!,V7R <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
.x/H2r'1 !vc5NKv#n 7.表格点击改变颜色
DYC2bs> if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
UEm4):/} {
g2*}XS3 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
h.Sbds this.style.color=’buttontext’;this.style.cursor=’default’;");
s|Vs#o.P) }
dVGcth;
Z=%u:K}[ 写在DataGrid的_ItemDataBound里
K|6}g7&X if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
xG Y!r"[ {
f,LeJTX= e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
bNtOqhi this.style.color=’buttontext’;this.style.cursor=’default’;");
PJe\PGh e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
6W7,EIf }
: 0Y.${h #)#'^MZX 2t 8.关于日期格式
HM"(cB(n` RU=g|TL 日期格式设定
`/wXx5n5< DataFormatString="{0:yyyy-MM-dd}"
~x_(v,NW xlgT1b:6 我觉得应该在itembound事件中
p;R&h4H e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
{l_D+B; 9o6qN1A0g 9.获取错误信息并到指定页面
rXip"uz(K> S"87 <o 不要使用Response.Redirect,而应该使用Server.Transfer
}v?l0Gk( %?qzP' e.g
`ZP[-: ` // in global.asax
t*6C?zEAU protected void Application_Error(Object sender, EventArgs e) {
IBNb!mPu% if (Server.GetLastError() is HttpUnhandledException)
CUjRz5L Server.Transfer("MyErrorPage.aspx");
4"{g{8 //Xz //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
20` XklV }
L ]BTX] >SYOtzg% 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
P>x88M c\tw#;\9 10.清空Cookie
eU-A_5 Cookie.Expires=[DateTime];
V2tA!II-s Response.Cookies("UserName").Expires = 0
p!?7; r.:f.AY{ 11.自定义异常处理
q?L*Luu+ //自定义异常处理类
wJvk using System;
`fVzY"Qv k using System.Diagnostics;
cRf;7G AO5a namespace MyAppException
HJ!)&xT {
Esg: /// <summary>
2elj@EB,M /// 从系统异常类ApplicationException继承的应用程序异常处理类。
{c&9}u$e /// 自动将异常内容记录到Windows NT/2000的应用程序日志
g K dNgU /// </summary>
"[Tr"nI public class AppException:System.ApplicationException
wc~ 9zh {
E!I4I' public AppException()
i@<w"yNd_ {
(m.jC}J if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
y %Y P }
(KfdN'vW k<"N^+GSz public AppException(string message)
=aehhs> {
Rob:W| LogEvent(message);
aIWpgUd` }
(ijO|%? qrt2uE{K public AppException(string message,Exception innerException)
bs?4|#[K {
;hFB]/.v LogEvent(message);
g)MLgjj if (innerException != null)
o
i~,}E_ {
"DJ%Yo LogEvent(innerException.Message);
r&L1jT. }
Vr&v:8:wb }
z:{R4#(Q tfe'].uT //日志记录类
A+3=OBpkW0 using System;
O9{A)b!HB using System.Configuration;
h 'is#X 6: using System.Diagnostics;
^AUQsRA7PZ using System.IO;
FOcDBCrOe using System.Text;
ab 6D & using System.Threading;
Mq6_Q07 ];0:aSi# namespace MyEventLog
EkN>5). {
*I9G"R8 /// <summary>
kaCn@$ /// 事件日志记录类,提供事件日志记录支持
b1ZHfe: /// <remarks>
qEjsAL /// 定义了4个日志记录方法 (error, warning, info, trace)
6|%HCxWO /// </remarks>
Ax!fvcsN /// </summary>
2L 1Azx public class ApplicationLog
8}^ym^H|j {
|e3YTLsI /// <summary>
]08~bL1Q /// 将错误信息记录到Win2000/NT事件日志中
"xD5>(|^+Q /// <param name="message">需要记录的文本信息</param>
!|Y&h0e /// </summary>
?
5hwz public static void WriteError(String message)
"n<u(m8E {
+,9Muf h WriteLog(TraceLevel.Error, message);
+OUM 4y }
ZJ_P= Zt4 r_7 /// <summary>
HL!" U(_ /// 将警告信息记录到Win2000/NT事件日志中
#8bI4J{dE /// <param name="message">需要记录的文本信息</param>
GuJIN"P] /// </summary>
;Y(~'KF public static void WriteWarning(String message)
8@I.\u)0 {
)/tdiRpn WriteLog(TraceLevel.Warning, message);
yXc@i)9w3 }
6K9-n}z )v.\4Q4 /// <summary>
]JI
A\|b6 /// 将提示信息记录到Win2000/NT事件日志中
.GPuKP| /// <param name="message">需要记录的文本信息</param>
h3A|nd>\ /// </summary>
rX&?Xi1JeV public static void WriteInfo(String message)
KhbbGdmfS$ {
;{cl*EN WriteLog(TraceLevel.Info, message);
c<qJs-C4; }
k${F7I(Tb /// <summary>
#Cz:l|\ i /// 将跟踪信息记录到Win2000/NT事件日志中
jY\YSQ /// <param name="message">需要记录的文本信息</param>
vYG$>* /// </summary>
0'*'%Iga public static void WriteTrace(String message)
Cd7d-'EQn {
<NM Os"NB WriteLog(TraceLevel.Verbose, message);
UgLJV2M6 }
XecU& _Hq)mF /// <summary>
N;e*eMFE /// 格式化记录到事件日志的文本信息格式
,u>K##X\ /// <param name="ex">需要格式化的异常对象</param>
lnnt b3q /// <param name="catchInfo">异常信息标题字符串.</param>
)$I"LyK) /// <retvalue>
aeF^&F0 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
gJBk&SDgtP /// </retvalue>
*yA.D? /// </summary>
885
,3AdA public static String FormatException(Exception ex, String catchInfo)
22m'+3I~Y {
(fWQ?6[ StringBuilder strBuilder = new StringBuilder();
y]f| U-f:~ if (catchInfo != String.Empty)
ZbcpE~<a {
BRMR>
~k( strBuilder.Append(catchInfo).Append("\r\n");
C/pu]%n@4 }
^kpu9H strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Z7R+'OC return strBuilder.ToString();
4'#
_b }
OKzk\F6 GpM_Qp /// <summary>
J)Td'iT( /// 实际事件日志写入方法
vweD{\b /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
=").W \, /// <param name="messageText">要记录的文本.</param>
eM`"$xc
Oe /// </summary>
R0mWVgoz private static void WriteLog(TraceLevel level, String messageText)
sFxciCpN {
"'"dcA try
-n'%MT=Cd {
P(Hh%9'( EventLogEntryType LogEntryType;
5=Y\d,SS" switch (level)
bpeWK& {
_Msaub!N case TraceLevel.Error:
/-ky'S9 LogEntryType = EventLogEntryType.Error;
Z@`HFZJ break;
O8ZHIs case TraceLevel.Warning:
PK*
$ LogEntryType = EventLogEntryType.Warning;
.{W)E break;
sWnU*Q case TraceLevel.Info:
n-_-;TYH LogEntryType = EventLogEntryType.Information;
^KMZB break;
[t`QV2um case TraceLevel.Verbose:
_/!IjB:(70 LogEntryType = EventLogEntryType.SuccessAudit;
c8jq.y v break;
%@FTg$ default:
VIxcyp0X LogEntryType = EventLogEntryType.SuccessAudit;
ysiBru[u
break;
oMi"X"C:q }
4%k_c79> "2bCq]I0 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
,*Yu~4 //写入事件日志
}KHdlhD eventLog.WriteEntry(messageText, LogEntryType);
-gV'z5 w~g)Dz2G }
`4 A%BKYB catch {} //忽略任何异常
6y9#am? }
ToVm]zPOUt } //class ApplicationLog
@YTZnGG* }
Io&F0~Z;;( j7 D\O 12.Panel 横向滚动,纵向自动扩展
A3N<;OOk <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
AHhck?M^ 9_GR\\ 13.回车转换成Tab
DP9hvu/85 <script language="javascript" for="document" event="onkeydown">
YX_p3 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
X^H)2G>e event.keyCode=9;
Dl%NVi+n </script>
Pw'3ya8 O(PG"c onkeydown="if(event.keyCode==13) event.keyCode=9"
u-7/4Y)c =6TD3k6(2 14.DataGrid超级连接列
L%JmdY; DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
&a
p{|>3 dg1h<]T"9 15.DataGrid行随鼠标变色
.Eg>) private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
g+k0Fw]! {
3B|o if (e.Item.ItemType!=ListItemType.Header)
T!)v9L {
S:Ne g!` e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
FXOA1VEg e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
l7P~_X_)" }
i4N'[ P} }
dg4 QA_" :-
ydsR/ 16.模板列
;Z"6ve4 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
]J C}il_b <ITEMTEMPLATE>
MI@id <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
?j8F5(HF? </ITEMTEMPLATE>
Pz1pEyuL </ASP:TEMPLATECOLUMN>
2, ` =i 0>m-J <ASP:TEMPLATECOLUMN headertext="选中">
aQaO.K2 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
.4~n|d>z <ITEMTEMPLATE>
\0m[Ch}~ey <ASP:CHECKBOX id="chkExport" runat="server" />
70L{u+wIy </ITEMTEMPLATE>
=x~HcsJ8!R <EDITITEMTEMPLATE>
Cv|ya$}a <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
cSBYC_LU </EDITITEMTEMPLATE>
n8[
sl]L </ASP:TEMPLATECOLUMN>
+I7n6s\ Y`3>i,S6\ 后台代码
wbzAX protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
<ok/2v {
,&!Txyye //改变列的选定,实现全选或全不选。
n9Z|69W6> CheckBox chkExport ;
A5zT^!`[ if( CheckAll.Checked)
'tp1|n/1 {
fNc3&=]] foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
LzS@@'] {
RUmJ=i'4/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Uax- z chkExport.Checked = true;
}Z-]m }
hd.^ZD7 }
v3Y/D1jd" else
&<-Sxjj {
<5A(rDij foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
B8:_yAv o {
&'UYV> chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
aO?(ZL chkExport.Checked = false;
e/EfWwqt }
tQB+_q
z }
%^g BDlR^ }
Y0=qn'`. /z*?:* 17.数字格式化
'@9h@,tc }.O2xZ;}]' 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
{b[8x
<%#Container.DataItem("price","{0:¥#,##0.00}")%>
'QjX2ytgX VC\43A,9 int i=123456;
O/>$kG%ge string s=i.ToString("###,###.00");
AS[cz!
> 1y l2i|m+ 18.日期格式化
52BlFBNV 2Tt@2h_L 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Bhl@\Kq Ft>Abj,6 显示为: 2004-8-11 19:44:28
$6T*\(;T@A `itaQGLD 我只想要:2004-8-11 】
oW(p (> <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
~fn2B %8tlJQvu 应该如何改?
vAi
kd#C) T@uY6))>F 【格式化日期】
<SUjz}_Oa: Funep[rA 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
X~GnK>R v&%GK5j7O 【日期的验证表达式】
W~
XJ ']e R}a,.C A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Sve~-aG ^((\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})))?$
;=Jj{FoG% Slcf= B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
DHJh.Y@H ^\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]))$
iTi<X|X ZJ@M}-4O1 【大小写转换】
#[C|%uq HttpUtility.HtmlEncode(string);
8l0%:6XbI HttpUtility.HtmlDecode(string)
gd-4hR /Ws@YP 19.如何设定全局变量
*;8tj5du oori t Global.asax中
-kxNJ Gc? qdrk.~_ Application_Start()事件中
1Dg\\aUk 6+A<_r`#Q 添加Application[属性名] = xxx;
8*I43Jtlf, ?h"+q8& 就是你的全局变量
Xz&Hfs"/J kehv85 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
V6?ku6k $%"i|KTsv: HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
1 e1$x@\\ IL?3>$, 【ASPNETMENU】点击菜单项弹出新窗口
v{^_3
] wP- pFc 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
f@T/^|`mh <?xml version="1.0" encoding="GB2312"?>
ZFNM>C^ <MenuData ImagesBaseURL="images/">
2j`x^ <MenuGroup>
]fIv{[A_
<MenuItem Label="内参信息" URL="Infomation.aspx" >
e'mm4 2 <MenuGroup ID="BBC">
!
R?r)G5E <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
snOd
3Bw <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
v-J*PB.0p ......
;(fD R8 >XjSVRO 最好将你的aspnetmenu升级到1.2版
i)g=Lew (p'yya{( 21.读取DataGrid控件TextBox值
>_(Xb%w foreach(DataGrid dgi in yourDataGrid.Items)
"]Wrir?l {
+^YXqOXU TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
E!&A[TlX\ tb.Text....
-bu.Ar-#;h }
bv$_t)Xh @T 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?
*x2+sgSf_0 |Xk'd@< 〖思归〗
_>%P};G{> <asp:TemplateColumn HeaderText="数量">
2i*-ET <ItemTemplate>
mBSa*s) <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
W#E`h onkeyup="javascript:DoCal()"
;BUJ5 />
4=td}% CTQF+Oe8O <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
[URo# </ItemTemplate>
hC?:XVt </asp:TemplateColumn>
$As;Tvw. @|v4B[/ <asp:TemplateColumn HeaderText="单价">
<61T)7 <ItemTemplate>
AHc:6v^ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
:oYu+cQ onkeyup="javascript:DoCal()"
i-w^pv' />
aa2&yc29hp W\:!v%C <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
wv>*g:El' zD:"O4ZM^^ </ItemTemplate>
O-y/K2MC* </asp:TemplateColumn>
qZACX.Hw =<R")D]4z <asp:TemplateColumn HeaderText="金额">
R)MWO5 <ItemTemplate>
%^f!= * <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
xDv$z.=Y </ItemTemplate>
i"Hec9Ri </asp:TemplateColumn><script language="javascript">
1Y4=D
function DoCal()
qPGpN0M` {
P&"8R var e = event.srcElement;
hJ$o+sl var row = e.parentNode.parentNode;
!|;^ var txts = row.all.tags("INPUT");
M3ihtY if (!txts.length || txts.length < 3)
'g.9
goQ return;
YyEW}2 8+K=3=05#U var q = txts[txts.length-3].value;
v7&oHOk! var p = txts[txts.length-2].value;
["Mq )Kkw$aQI"d if (isNaN(q) || isNaN(p))
Z&9MtpC+N3 return;
1$T;u~vg k=1([x q = parseInt(q);
al/Mgo p = parseFloat(p);
9o5W\.A7[D %Z9&z mO txts[txts.length-1].value = (q * p).toFixed(2);
.'N:]G@! }
([SrIG> X </script>
\^a(B{ t&}Z~Zp gsFyZ Tlc3l}B*Z CZ*#FY 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。
Agt6G\n page_load
&J(+XJM% page.smartNavigation=true
6 /_] |4t IX@g].)C 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 ?
"~- H]9 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
QP/%+[E. {
/orpQUHA for(int i=0;i<e.Item.Cells.Count-1;i++)
+c;/hM<IX. if(e.Item.ItemType==ListItemType.EditType)
^*JpdmVhu {
n${,r e.Item.Cells.Attributes.Add("Width", "80px")
-5;Kyio }
!lxs1!: }
QcQQQM -}avH
26.对话框
.>?h private static string ScriptBegin = "<script language=\"JavaScript\">";
k |}& private static string ScriptEnd = "</script>";
@!k\Ivd r*?rwtFtg public static void ConfirmMessageBox(string PageTarget,string Content)
Mx?]7tI {
y.,S}7l: string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
/){F0Zjjt |^!#x Tj ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
XfY~q~f8 EC9D.afy& Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
u\LG_/UJV1 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
GjTj..G/ //Response.Write(strScript);
Pf,S`Uw; }
L(Ww6oj d'j8P 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
eyq\a'tyB YbCqZqk 1.1 取当前年月日时分秒
>!u@> currentTime=System.DateTime.Now;
1K(a=o[Ce S}fU2Wi 1.2 取当前年
&G63ReW7 @ int 年= DateTime.Now.Year;
"s-e)svB <3?T^/8 1.3 取当前月
Ce&nMgd~ int 月= DateTime.Now.Month;
_<Hx1l~ R}~p1=D 1.4 取当前日
9J>b6 int 日= DateTime.Now.Day;
(EZ34,k'S ?naPti1GX 1.5 取当前时
p#-ov-znp int 时= DateTime.Now.Hour;
lIR0jgP@z Hgu:*iYA 1.6 取当前分
H<tk/\C int 分= DateTime.Now.Minute;
<eWGvIEP[ $xx5+A%, 1.7 取当前秒
/rMxl(wD' int 秒= DateTime.Now.Second;
|GmV1hN #bRr|` 1.8 取当前毫秒
;VQFz&Q$u int 毫秒= DateTime.Now.Millisecond;
JiFy.Pf Eu%19s;u 28.自定义分页代码:
oL?[9aww t:A,pT3 先定义变量 :
00DWXGt20o public static int pageCount; //总页面数
$#Mew:J public static int curPageIndex=1; //当前页面
1-z*'Ghys xL.T}f~y2> 下一页:
{sn :Lj0 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
'Na \9b( {
-I, _{3.S DataGrid1.CurrentPageIndex += 1;
1\v$8pP+ curPageIndex+=1;
Y>OL2g }
k:?+75?$ WW.\5kBl8 bind(); // DataGrid1数据绑定函数
$`nKq4Y T9
@^@l$ 上一页:
i?7%z` if(DataGrid1.CurrentPageIndex >0)
ONx|c'0g {
,!`94{Ggv DataGrid1.CurrentPageIndex += 1;
]U :1NC" curPageIndex-=1;
p(2j7W-/ }
"|1MJuY_6 6k#H>zY, bind(); // DataGrid1数据绑定函数
Effp^7 3 F~Kd5-I@ 直接页面跳转:
$Cu/!GA4.> int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
*q5'~)W< ]mU,y$IQ if(a<DataGrid1.PageCount)
0 O{Y
Vk` {
!;Mh5*- this.DataGrid1.CurrentPageIndex=a;
ETu7G5? }
!U02>X KR bind();
cQ4TYr;? )G(6=l* 29.DataGrid使用:
^V^In-[!y: =hV-E
D 添加删除确认:
V/j]UK0$ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
gto@o\&= {
niO(> foreach(DataGridItem di in this.DataGrid1.Items)
T;- Zl[H {
"Y&+J@] if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
b0a'Y"oef4 {
-t9oL3J ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
'-jKv=D+ }
D\Y)E#%, }
B3I\= }
?Y"bt^4j CK
e 样式交替:
]{9oB-;, ListItemType itemType = e.Item.ItemType;
`Tzqvnn 5H6GZ:hp if (itemType == ListItemType.Item )
l3aG#4jj {
[7Nn%eZC
e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
UQ|zSalv, e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
F"a^`E& }
PVO9KWv** else if( itemType == ListItemType.AlternatingItem)
*$(=I6b {
p71%-nV e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
?o0#h e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
5iola}6 }
FV/xp}nz zIbl[[M& 添加一个编号列:
/,v:!* DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
:,F^{ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
}nE#0n ^_<>o[qE for(int i=0;i<dt.Rows.Count;i++)
IidZ-Il {
l,/q#)5[ dt.Rows["number"]=(i+1).ToString();
$8&HpX#h$ }
,8uu,,c S&-sl DataGrid1.DataSource=dt;
sF;1)7]Pq DataGrid1.DataBind();
QnxkD)f*0 gb:Cc,F,% DataGrid1中添加一个CheckBox,页面中添加一个全选框
K/[v>(< private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
4~a0
{
Pyi PhOJe foreach(DataGridItem thisitem in DataGrid1.Items)
\3q{E",\>@ {
m@JU).NKCS ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
!W:QLOe6F }
Rn{q/h }
2h&pm <YL\E v/[ 将当前页面中DataGrid1显示的数据全部删除
kyJv,!}; foreach(DataGridItem thisitem in DataGrid1.Items)
qn@Qd9Sf {
7kn=j6I if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
{CH\TmSz {
kt1f2cj string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
#py7emu Del (strloginid); //删除函数
P7\(D` }
kSNVI-Wzu }
se_zCS4Y ^F?H)[0 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)
_0F6mg n IJ,,aCj4g 在Application_Start中添加以下代码:
MbnV5 b:X Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
zi>f436- AppSettings["ConnStr"].ToString();
~s^&*KaA 1,PFz 31. 变量.ToString()
fJv0 B* %8o(x 0 字符型转换 转为字符串
{yyg=AMz 12345.ToString("n"); //生成 12,345.00
C>68$wd> 12345.ToString("C"); //生成 ¥12,345.00
Op3 IL/ 12345.ToString("e"); //生成 1.234500e+004
|ry;'[* 12345.ToString("f4"); //生成 12345.0000
U7crbj;c)d 12345.ToString("x"); //生成 3039 (16进制)
any\}
12345.ToString("p"); //生成 1,234,500.00%
O8u"Y0$*w 2|}p&~G( 32、变量.Substring(参数1,参数2);
8Z3+S)6 y8+?:=N. 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);
lRt8{GFy ^Hq}9OyS9 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)
kq%`9,XE <SCRIPT language="javascript">
6}NvVolr <!--
GWE`'V function gook(pws)
x6DH0*[. {
=hl-c frm.submit();
f| N(~ }
mA^>Y_: //-->
y6*i/3 1Y9Ye?~jd </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
{bETHPCf <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
M~662]Ekk <tr>
FeV=4tsy <td>
UjKHGsDi4 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
D'nV
&m <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
ZQBo|8* <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
uaDU+ywL 6l_8Q w*5I <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
l3g6y9; <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
30H:x@='9 %\b5)p </td>
6AQ;P #-lk=> </tr>
r LfS9H }Xc|Z.6 </form>
CKBi-q FH Mx r# 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。
{iQ<`,)Y /asyj="N7 下面是获取用户输入的登陆信息的代码:
coLn};W2 string name;
0>e>G (4(8 name=Request.QueryString["EmailName"];
P;_dilG jB1\L<P try
5R ec}H {
RmNF]"3% int a=name.IndexOf("@",0,name.Length);
qw, >~ f_user.Value=name.Substring(0,a);
q6G([h7 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
SiBbz4 f_pass.Value=Request.QueryString["Psw"];
3:;%@4f }
b6/:reH{ Mvcl9 catch
i'5bPW {
2Q k\}KWs Script.Alert("错误的邮箱!");
(/KF;J^M Server.Transfer("index.aspx");
lmc-ofEv }