1. 打开新的窗口并传送参数:
MMMqG`Px A[RHw< 传送参数:
GHv{ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Vd,' s 7e1dEgn 接收参数:
'z)hG#{I string a = Request.QueryString("id");
LyGUvi string b = Request.QueryString("id1");
yC
W*fIaq wz|DT3"Xs 2.为按钮添加对话框
z(+&wa Button1.Attributes.Add("onclick","return confirm(’确认?’)");
T_eJ}(p button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
VLiIO"u; 9*4 . 3.删除表格选定记录
*dN N< int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
q^5yk=2fq string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
:d.1;st <O.Kqk*
nq 4.删除表格记录警告
doBNghS private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
J5;5-:N {
27m@|M] R switch(e.Item.ItemType)
88
{1mA,v {
fO6[!M( case ListItemType.Item :
Nu@5 kwH case ListItemType.AlternatingItem :
G%S6$@: case ListItemType.EditItem:
/?Vdqci TableCell myTableCell;
bMsECA& myTableCell = e.Item.Cells[14];
8q0I:SJy LinkButton myDeleteButton ;
y=w`w>% myDeleteButton = (LinkButton)myTableCell.Controls[0];
?KCivf myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
{J2#eiF break;
N&"QKd l default:
"#2pT H~ break;
@}(SR\~N] }
flP>@i:e6 zDB"r }
dXl]Pe|v t)} \9^Uo 5.点击表格行链接另一页
|=O1Hn private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
RAV^D. {
'@bJlJB9> //点击表格打开
H8&p<= if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
A;,Dg=FL/ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
L?8^aG }
j9:/RJS #1[z;Mk0 双击表格连接到另一页
*<IR9.~{6% p;0 PxL= 在itemDataBind事件中
&iNS?1a%f= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
gXt O*Rfqk {
{(}yG_Q]! string OrderItemID =e.item.cells[1].Text;
*hF^fxLbl ...
Ad/($v5+ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
xI?0N<'.*q }
eRs&iK2y xdZ<|
vMR 双击表格打开新一页
mZ7B<F[qV if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
r2nBWA3 {
p>q&&;fe string OrderItemID =e.item.cells[1].Text;
n3$gx,KL ...
lm$;:Roj* e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
P`EgA }
3rNc1\a;
Yl~$V( ★特别注意:【?id=】 处不能为 【?id =】
"]#'QuR 6.表格超连接列传递参数
($62o&I <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
*g_w I%l <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
UW6VHA> =WK04\H 7.表格点击改变颜色
J=iRul^S if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
89Z#|#uM5 {
d; =u e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
(rcMA>2= this.style.color=’buttontext’;this.style.cursor=’default’;");
2 z7}+lH }
u]E.iXp t`YWwI. 写在DataGrid的_ItemDataBound里
1HbFtU`y~ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
u]M\3V. {
V&*D~Jq e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
WK==j1 this.style.color=’buttontext’;this.style.cursor=’default’;");
&yU>2=/T e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
5/?P|T }
@7W?8 ,?(ciO) `\N]wlB2/b 8.关于日期格式
Xwq]f:@V j;\[pg MR/ 日期格式设定
Ie@Jb{x DataFormatString="{0:yyyy-MM-dd}"
;iU%Kt JoJukoy}F 我觉得应该在itembound事件中
g1{/ 5{XI e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
XA{F:% m5*[t7@% 9.获取错误信息并到指定页面
:Fe_,[FR [b/o$zR 不要使用Response.Redirect,而应该使用Server.Transfer
Yw)Fbt^ aGK@)&h$ e.g
xS8,W // in global.asax
_TUm$#@Y` protected void Application_Error(Object sender, EventArgs e) {
g)R1ObpZ if (Server.GetLastError() is HttpUnhandledException)
o=_c2m
Server.Transfer("MyErrorPage.aspx");
RlRs}yF VEs5;]#<2D //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
G\=_e8( }
Kkv<"^H Z\ )C_p\- 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
%;|0 !^WHZv4 10.清空Cookie
S^N{wZo Cookie.Expires=[DateTime];
zvO:"w} Response.Cookies("UserName").Expires = 0
vHcqEV|P/n 3^wC<ZXcD 11.自定义异常处理
|^( M{ //自定义异常处理类
,T|x)"uA` using System;
U~H?4Izl= using System.Diagnostics;
cWa)#:JOV ;>>C)c4V " namespace MyAppException
9v?l {
K_ke2{4Jm /// <summary>
UyiJU~r1 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
g"K>5Cb /// 自动将异常内容记录到Windows NT/2000的应用程序日志
0.Vi97` /// </summary>
3FNT|QF public class AppException:System.ApplicationException
|=K_F3aJ {
(D7$$!} public AppException()
#;Tz[0 {
4W;S=#1 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
pe.QiMW{8 }
`A)"%~ M%`\P\A public AppException(string message)
dRaO Gm) {
QlEd6^& LogEvent(message);
38IMxd9v }
&<]<a_pw :iPym}CE public AppException(string message,Exception innerException)
A.En+-[\ {
QDTNx!WL LogEvent(message);
314=1JbL if (innerException != null)
:P+\p= {
:a0zT#u LogEvent(innerException.Message);
p&Ed\aQ%z; }
_O]xey^r }
M 2q"dz ig+4S[L~n //日志记录类
{whvTN1#dh using System;
GP a`e using System.Configuration;
3EK9,:<Cf using System.Diagnostics;
#hw>tA6 using System.IO;
W?Ww2Lo%Y using System.Text;
=L]Q2V} using System.Threading;
!{%&=tIZ !3qVB namespace MyEventLog
=#xK=pRy; {
e0HfP v_ /// <summary>
QLKK.] /// 事件日志记录类,提供事件日志记录支持
HM9fjl[ /// <remarks>
ej(ikj~j /// 定义了4个日志记录方法 (error, warning, info, trace)
~E5z"o6$ /// </remarks>
D Ml?o:l /// </summary>
V
9;[M; public class ApplicationLog
'T8W!&$ {
@)6jE!LC /// <summary>
pv,45z0 /// 将错误信息记录到Win2000/NT事件日志中
O7G"sT1Dv /// <param name="message">需要记录的文本信息</param>
k cuzB+ /// </summary>
=E*Gb[r_7 public static void WriteError(String message)
Y.6SOu5$] {
~AB*]Us WriteLog(TraceLevel.Error, message);
\jU |(DE }
$XnPwOj >3.X? /// <summary>
tJ0NPI56yP /// 将警告信息记录到Win2000/NT事件日志中
cr;`Tl~}s /// <param name="message">需要记录的文本信息</param>
+^|iZbZKx /// </summary>
jp2Q9Z public static void WriteWarning(String message)
r'7LR {
s^8u&y)3 WriteLog(TraceLevel.Warning, message);
s Be7"^ }
$ &UZy|9 z@ 35NZn /// <summary>
MXtkP1A` /// 将提示信息记录到Win2000/NT事件日志中
3'`dFY, /// <param name="message">需要记录的文本信息</param>
}^kL|qmjR /// </summary>
#q\x$ public static void WriteInfo(String message)
K`-!uZW:B7 {
9i q"" WriteLog(TraceLevel.Info, message);
#]Y>KX2HG }
r' Z3
/// <summary>
/RnTQ4 /// 将跟踪信息记录到Win2000/NT事件日志中
X6e/g{S) /// <param name="message">需要记录的文本信息</param>
}hpmO- /// </summary>
|a^U] public static void WriteTrace(String message)
'@nbqM {
f58?5(Dc| WriteLog(TraceLevel.Verbose, message);
2{|$T2?e }
V ~{fB~ {R6HG{"IS6 /// <summary>
V^s0fWa /// 格式化记录到事件日志的文本信息格式
gb|Q%LS9R /// <param name="ex">需要格式化的异常对象</param>
/iaf ^
> /// <param name="catchInfo">异常信息标题字符串.</param>
C~%
1w%nn /// <retvalue>
s#9Ui#[=h /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
#U
mF-c /// </retvalue>
}iB|sl2J /// </summary>
hsRvr`#m| public static String FormatException(Exception ex, String catchInfo)
LPd\-S_rsP {
Ol_q{^ StringBuilder strBuilder = new StringBuilder();
#dxgB:l)%l if (catchInfo != String.Empty)
b\7iY&.C| {
$FTO strBuilder.Append(catchInfo).Append("\r\n");
m"eteA,"k_ }
k(VB+k"3 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
,5
j"ruZ return strBuilder.ToString();
q!~ -(&S }
a?h*eAAc. &EGqgNl /// <summary>
q'[}9e`Q /// 实际事件日志写入方法
(rtY!<|p /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
|OO in]5 /// <param name="messageText">要记录的文本.</param>
*jq7X /// </summary>
"_UdBG private static void WriteLog(TraceLevel level, String messageText)
}n:?7 {
KL,/2( try
_*M42<wcO {
g`^X#-!( EventLogEntryType LogEntryType;
l\0w;:N3 switch (level)
n"Veem[_4g {
`mfq
2bVc case TraceLevel.Error:
/UcV LogEntryType = EventLogEntryType.Error;
uP $Cj break;
zw<p74DH case TraceLevel.Warning:
. 5y"38e LogEntryType = EventLogEntryType.Warning;
ZFm`UXS break;
w8Q<r. case TraceLevel.Info:
-7H^n#] LogEntryType = EventLogEntryType.Information;
EI>l-N2 break;
?tdd3ai> case TraceLevel.Verbose:
m0w;8uF2UV LogEntryType = EventLogEntryType.SuccessAudit;
~+X9g break;
B<?[Mrdxw default:
e> rRTN LogEntryType = EventLogEntryType.SuccessAudit;
wBj-m break;
uE/T2BX* }
.0 )Y Rgy-OA EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
f>o,N{| //写入事件日志
,QIF & eventLog.WriteEntry(messageText, LogEntryType);
RprKm'b8x` 2zSG&",2D }
o Pci66 catch {} //忽略任何异常
8F(h*e_? }
C;+(Zp } //class ApplicationLog
@Hb'8F }
^)!F9h+ \`<cH# 12.Panel 横向滚动,纵向自动扩展
.{KjEg 6 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
eK_*2=;XRW #t8{R~y"gv 13.回车转换成Tab
`N//A}9 <script language="javascript" for="document" event="onkeydown">
]Y>h3T~ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
pL=d% m.W event.keyCode=9;
mMx ;yZ </script>
!rDdd%Z w.\w1:d onkeydown="if(event.keyCode==13) event.keyCode=9"
[S]S^ej*8 O`GsS{$sS 14.DataGrid超级连接列
l- pe4x DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
s&kQlQ= >>b3ZE|5 15.DataGrid行随鼠标变色
kv,%(en] private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
hVT~~n`Rj {
Jb)#fH$L if (e.Item.ItemType!=ListItemType.Header)
hf/2vt
m {
F;ZSzWq e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
,d+fDmm3 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
WO4=Mte? }
N /$`:8" }
_-!sBK+F nMfFH[I4 16.模板列
/v|"0 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
UUKP" <ITEMTEMPLATE>
m"\:o <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
.o1^Oh </ITEMTEMPLATE>
1% F?B-k </ASP:TEMPLATECOLUMN>
<$w?/y/' =p^He! <ASP:TEMPLATECOLUMN headertext="选中">
n~V4nj&_T <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
1(zsOeX <ITEMTEMPLATE>
H7Uli]e3 <ASP:CHECKBOX id="chkExport" runat="server" />
p^nL&yIW,% </ITEMTEMPLATE>
OdWou|Gz <EDITITEMTEMPLATE>
t>GfM <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Ok7t@l$ </EDITITEMTEMPLATE>
Z@8vL </ASP:TEMPLATECOLUMN>
f'I z
G.R o*x*jn:hm 后台代码
p(xC*KWB protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
^,F;M`[ {
6$a$K,dZ //改变列的选定,实现全选或全不选。
b `2|I { CheckBox chkExport ;
;4M><OS! if( CheckAll.Checked)
a07@C {
+uWDP. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
"'8KV\/D {
.@-9'<K?~ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ML-)I&>tT chkExport.Checked = true;
8zLY6@ }
@D-AO_ }
GLn{s else
i&njqK!wS {
>-_d CNZ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
id<:p*
{
7"7rmZ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
cYx4~ V^ chkExport.Checked = false;
)%SkJ }
x:vu'A }
/(.6bv }
;!91^Tl k4qp u=@U 17.数字格式化
\Gm-MpW jztq.2-c# 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
9jN)I(^D6 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
R(P%Csbqh $Y=T&O int i=123456;
:+{ ? string s=i.ToString("###,###.00");
,*4p?|A ZT02"3F 18.日期格式化
1:NrP'W^ "G-1>:
【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
aK,z}l(N gH2,\z`[4 显示为: 2004-8-11 19:44:28
B63pgPX YY?a>j."a 我只想要:2004-8-11 】
x}U8zt)yD3 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
ze_{=Cv&Y Wv__ wZ 应该如何改?
`28};B> VIP7OHJh 【格式化日期】
G*S|KH B!gGK|8 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
"'g[1Li J};z85B 【日期的验证表达式】
2<&Bw2 uE[(cko A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Om M=o*d ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
+\li*G]:J #`GY}-hL! B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
S$f6a' ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
<<D$+@wxm =n^!VXaL]] 【大小写转换】
$^&ig HttpUtility.HtmlEncode(string);
[Q\GxX. HttpUtility.HtmlDecode(string)
?u4INZ0W <Dx]b*H 19.如何设定全局变量
@
S <-d 8 #ndFpu Global.asax中
.nYUL> #jAqra._b Application_Start()事件中
UgWs{y2SE. nR4y`oP+ 添加Application[属性名] = xxx;
K"<PGOF <Sz52Suh> 就是你的全局变量
h'
!imQ \%sVHt`c 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
izKfU?2]X@ t_ksvWUo HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
_k^0m Q]rD}Ckv- 【ASPNETMENU】点击菜单项弹出新窗口
>5R<;#8 J$~<V
IX 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
_U;eN|Ww <?xml version="1.0" encoding="GB2312"?>
s>0Nr <MenuData ImagesBaseURL="images/">
[D5t{[i <MenuGroup>
7_2kDDW0 <MenuItem Label="内参信息" URL="Infomation.aspx" >
<foCb%$(? <MenuGroup ID="BBC">
%>g W9}kB <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
& cNy <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
CG'.:`t ......
I@Xn3oN 9N%JP+<89 最好将你的aspnetmenu升级到1.2版
!v]b(z`Y ExHKw~y9
21.读取DataGrid控件TextBox值
2<mW\$ foreach(DataGrid dgi in yourDataGrid.Items)
H:p Z-v* {
zI~owK)%Z TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
kE
TT4U tb.Text....
RzhWD^b B }
8q`$y$06Dk ]|_\xO( 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
9w9jpe# Rl|4S[ 〖思归〗
,G#.BLH
cX <asp:TemplateColumn HeaderText="数量">
8A{_GH{: <ItemTemplate>
.qk]$LJF7 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
2xw6 5z onkeyup="javascript:DoCal()"
PpLU />
!ZDzEP* %3HVFhl <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
iqnJ~g </ItemTemplate>
]nhr+;of/- </asp:TemplateColumn>
K
~ 44i zi~5l#I <asp:TemplateColumn HeaderText="单价">
?S?2 0 <ItemTemplate>
}HEvr)v9 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
`si#aU onkeyup="javascript:DoCal()"
Oi"a:bCU />
_=
#zc4U ;Ut+yuy <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
$3D'4\X~? qH"Gm </ItemTemplate>
]]}tdn _ </asp:TemplateColumn>
WWT",gio Gu=STb <asp:TemplateColumn HeaderText="金额">
E{HY!L[ <ItemTemplate>
EkT."K <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
5unG#szq </ItemTemplate>
g~UUP4<$" </asp:TemplateColumn><script language="javascript">
4h6k`ie!$ function DoCal()
5 ,0d {
s95vK7I var e = event.srcElement;
5-)#f? var row = e.parentNode.parentNode;
>h Y"
3 var txts = row.all.tags("INPUT");
}AZc8o- if (!txts.length || txts.length < 3)
9;Fbnp' return;
TwyM\9l7 'gQidf var q = txts[txts.length-3].value;
EL3|u64GO var p = txts[txts.length-2].value;
@v\*AYr'M q.Nweu!jQ if (isNaN(q) || isNaN(p))
tU"raP^= return;
bbxLBD' .I3?7 q = parseInt(q);
hVjNZ p = parseFloat(p);
2/,0iwj- ?}Z1(it0 txts[txts.length-1].value = (q * p).toFixed(2);
UEak^Mm;=2 }
4Ij-Ilg)% </script>
i?Ss: v^ 4YZS"K'E zb6ju]2 #6Xs.*b5C P7B:%HiAx 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。
Qy#)Gxp page_load
wV?,Z!\Z page.smartNavigation=true
3M5#4n\v$ GFSt<k)
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 ?
[NnauItI private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
`SO|zz|' {
uGdp@]z&8Q for(int i=0;i<e.Item.Cells.Count-1;i++)
BiE08,nj if(e.Item.ItemType==ListItemType.EditType)
AvR2_ {
_<ut)G^9 e.Item.Cells.Attributes.Add("Width", "80px")
>Ps7I }
t+CWeCp, }
T5wjU*=IL EoX_KG{ 26.对话框
+b;hBb]R private static string ScriptBegin = "<script language=\"JavaScript\">";
W{XkVKe1a private static string ScriptEnd = "</script>";
+@X5!S6 5)1+~ B public static void ConfirmMessageBox(string PageTarget,string Content)
7iuQ9q^& {
w^K^I_2ge string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
I
PE}gp _eLWQ|6Fx ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
ashcvn~z fJjgq)9 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
iq?#rb P#I ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
~Lfcg* //Response.Write(strScript);
P[t$\FS }
Kex[ >L10G @|bP+8oU 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
g|P C$p-z+ 0f ER*.F 1.1 取当前年月日时分秒
F{k+7Ftc currentTime=System.DateTime.Now;
1|,Pq9 gG54: 1.2 取当前年
N132sN2 int 年= DateTime.Now.Year;
fYebB7Pv eT"Uxhs-} 1.3 取当前月
fbZibcQ%k int 月= DateTime.Now.Month;
OH<?DcfeL T0j2a&Pv 1.4 取当前日
3L-^<'~-k; int 日= DateTime.Now.Day;
jW*1E*"
:ZdUx 1.5 取当前时
JU0]Wq <^[ int 时= DateTime.Now.Hour;
%R_{1GrL'c m$>iS@R 1.6 取当前分
EruP int 分= DateTime.Now.Minute;
,KW;2t*IQ@ Hv#q:R8 1.7 取当前秒
9T2xU3UyY int 秒= DateTime.Now.Second;
? y},, (k-YI{D3 1.8 取当前毫秒
jm>3bd int 毫秒= DateTime.Now.Millisecond;
Bp AB5=M0 B7NtkMK 28.自定义分页代码:
Z\X'd_1! qZ2&Xw.{1 先定义变量 :
ScnY3&rc public static int pageCount; //总页面数
~>ME'D~ public static int curPageIndex=1; //当前页面
%@&a7JOL OQ_stE2i 下一页:
jigs6# if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Iyk6=&?j {
LR)&
[{Kk DataGrid1.CurrentPageIndex += 1;
']51jabm curPageIndex+=1;
Ru%|}sfd }
`ZHP1uQ< <v]9lw' bind(); // DataGrid1数据绑定函数
4h
5_M8I $]d*0^J 6 上一页:
^Uw[x\%#gD if(DataGrid1.CurrentPageIndex >0)
p|6v~ {
1uG=`k8'k DataGrid1.CurrentPageIndex += 1;
1r`i]1<H curPageIndex-=1;
SVP:D3) }
\Z5+$Ij )&NAs bind(); // DataGrid1数据绑定函数
NlR"$ :x>T}C<Y 直接页面跳转:
#Olg(:\ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
<SXZx9A! ?z` MPdO if(a<DataGrid1.PageCount)
2@@l {Y0f6 {
jThbeY[ this.DataGrid1.CurrentPageIndex=a;
.e[Tu|qo }
A-E+s~U8 <3
@}Lj bind();
$7gB_o$zz ~bU7QLr 29.DataGrid使用:
pD`/_-=^h vX1uR]A[ 添加删除确认:
,j;PRJ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9$WJ"] {
=v2%Vs\7k foreach(DataGridItem di in this.DataGrid1.Items)
+Takde%~ {
]Bu DaxWN if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
c c G['7 {
f>iuHR*EXB ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
c;!g }
Vb6K:ZnF }
#;j9}N }
T`L}[?w vb =CFV# 样式交替:
n`5WXpz4; ListItemType itemType = e.Item.ItemType;
4KIWb~0Y Cyk s if (itemType == ListItemType.Item )
'Tf9z+0; {
xe:' 8J6L e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
#qL9{P<} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
2ChWe}f }
/5a;_ else if( itemType == ListItemType.AlternatingItem)
tjzA)/T,4 {
}OKL
z.5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
XCPb9<L e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
'"O&J}s; }
A!HK~yk~Q 04-Zvp2 添加一个编号列:
2;(W-]V? DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
ZxSsR{ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Bhuw(KeB 8]*Q79 for(int i=0;i<dt.Rows.Count;i++)
|$w*RI0C {
aPBX=;( dt.Rows["number"]=(i+1).ToString();
JieU9lA^&B }
OD4W}Y. t[O+B6 DataGrid1.DataSource=dt;
rc~Y=m DataGrid1.DataBind();
Cg6;I.K V9jFjc? DataGrid1中添加一个CheckBox,页面中添加一个全选框
26nBBS,; private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
N du7nKG {
[\HQPo'S foreach(DataGridItem thisitem in DataGrid1.Items)
)+GX<2_ {
,VG9)K1K ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
zzJ^x8#R }
Y?!/>q }
$%}>zqD1 q6)N*? 将当前页面中DataGrid1显示的数据全部删除
#eEvF foreach(DataGridItem thisitem in DataGrid1.Items)
g~R/3cm4 {
Uz>Yn&{y6 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Z[;#|$J {
*PcVSEP/0 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
@,6ST0xT ( Del (strloginid); //删除函数
&wGg6$ }
rt;gC[3\ }
vl~%o@*_ HWbBChDF 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)
(4ZLpsbJ aJQXJ,>Lv 在Application_Start中添加以下代码:
# ITLz!gE Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
s>J3\PC AppSettings["ConnStr"].ToString();
;G Qm[W([ Oy'0I, 31. 变量.ToString()
_W+Q3Jx-( $~o3}&az 字符型转换 转为字符串
^Ezcy? 12345.ToString("n"); //生成 12,345.00
R<j<.h 12345.ToString("C"); //生成 ¥12,345.00
sN@j5p^jc 12345.ToString("e"); //生成 1.234500e+004
MgP{W=h2 12345.ToString("f4"); //生成 12345.0000
0~i q G 12345.ToString("x"); //生成 3039 (16进制)
TQ~&Y)". 12345.ToString("p"); //生成 1,234,500.00%
,lP7 ri #Y: ~UVV 32、变量.Substring(参数1,参数2);
U,ELqi \ %JaE4& 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
8>v7v&Bh| |0DP}
`~ 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
pP
oxVvG{ <SCRIPT language="javascript">
e5qvyUJM <!--
{jUvKB_x function gook(pws)
Ps |QW {
"o<D;lO frm.submit();
_DrnL}9I7 }
y3AL) //-->
:+1bg&wQ JOgmF_(>Z </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
a[JZ5D <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
af^@
.$
| <tr>
Yoe les- <td>
nO:HB.&@ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
CH#kvR2 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
ZK!4>OuH` <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
/ (.'*biQ /J8o_EV <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
kFnUJM$r <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
K9}jR@jy$ 6i^0T </td>
~Cu lFxu ?9,YVylg </tr>
o:f|zf>
i< jiOf')d5 </form>
y,1S&k 6|i`@|# 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。
&LwJ'h+nd iPNd!_ 下面是获取用户输入的登陆信息的代码:
L c{!FG> string name;
l#|J
rU! name=Request.QueryString["EmailName"];
'H
FwP\HX Hc"N&
%X[ try
JH-nvv {
krwf8!bI int a=name.IndexOf("@",0,name.Length);
?Ip$;s f_user.Value=name.Substring(0,a);
0rGj|@+; f_domain.Value=name.Substring(a+1,name.Length-(a+1));
yCZ2^P!a f_pass.Value=Request.QueryString["Psw"];
]~ >@%v& }
l`oT: QM7[ O]@ catch
A>[hC{ {
H2s*s[T
- Script.Alert("错误的邮箱!");
$kM' Server.Transfer("index.aspx");
s%hU*^ 8 }