1. 打开新的窗口并传送参数:
wc5OK0| hf1f 传送参数:
63?fn~0\ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Q9
*N/2+ 1@Zjv>jy[ 接收参数:
wh<s#q` string a = Request.QueryString("id");
]
x_WO_ string b = Request.QueryString("id1");
Aa;s.:? d.3O1TXK 2.为按钮添加对话框
'ehJr/0&g Button1.Attributes.Add("onclick","return confirm(’确认?’)");
,3{z_Rax- button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
n/3gx4.g t"@:a
Y" 3.删除表格选定记录
_,M:"3;Z int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
#j{!&4M string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
L('G1J} ,~_)Cf#CB 4.删除表格记录警告
F+@E6I'g private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
a+CHrnU\; {
$*{$90Q switch(e.Item.ItemType)
i-EFq@xl {
c=T^)~$$ case ListItemType.Item :
o(/(`/ case ListItemType.AlternatingItem :
{A2SG#} case ListItemType.EditItem:
6*,8 H& TableCell myTableCell;
sgn,]3AUq myTableCell = e.Item.Cells[14];
{&Fh$H! LinkButton myDeleteButton ;
wZECG-jr/ myDeleteButton = (LinkButton)myTableCell.Controls[0];
S)0bu(a`Z, myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
t;@VsQ8 break;
Pb|'f( default:
LyB$~wZx~@ break;
EMe6Z!k }
MKdBqnM(F ZN2g( }
t_q`wKDE nJ|8#U7 5.点击表格行链接另一页
.wD>0Ig private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
<~}t;ji {
t/bDDV" //点击表格打开
VT\o=3_ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
o4b!U % e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
ogX'3L }
4><b3r;T' )CzWq}: 双击表格连接到另一页
In0kP" 6?0^U 9 在itemDataBind事件中
K'%,dn if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
rSD!u0c[ {
|Mp_qg?g string OrderItemID =e.item.cells[1].Text;
j:0VtJo~ ...
9Osjh G e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
%T UljX K} }
! G%LYHx 0C}7=_? 双击表格打开新一页
MO:##C if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
QK\QvU2y {
}B_n}<tjD string OrderItemID =e.item.cells[1].Text;
~$f+]7 ...
(9BjZ&ej e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
?J+[|*'yK }
|
%af}#
FQ q0
:Lb ★特别注意:【?id=】 处不能为 【?id =】
\K)"@gdW 6.表格超连接列传递参数
Ho?+?YJ#P <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
W Io^=?% <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
8=7u,t 2;4Of~ 7.表格点击改变颜色
qeCx.Z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
]do0{I%\eq {
SMQuJ_ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
56*}}B$? this.style.color=’buttontext’;this.style.cursor=’default’;");
>Ge&v'~_| }
aT F} QzIK580%t 写在DataGrid的_ItemDataBound里
4T6dju if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
vhEPk2wD, {
j?6%=KuX< e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
v'.?:S&m this.style.color=’buttontext’;this.style.cursor=’default’;");
~fs{Ff' e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
f3-=?Z }
9c806>]U^ '=x S,vrz!'>A 8.关于日期格式
TD,W *(b
:XF;v 日期格式设定
Wn24eld"x DataFormatString="{0:yyyy-MM-dd}"
!wvP24"y 'r4 j;Jn 我觉得应该在itembound事件中
q:-8W[_ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
$qy%Q] ' R~x.NM 9.获取错误信息并到指定页面
'@HWp 8+ s_K:h 不要使用Response.Redirect,而应该使用Server.Transfer
[e ;K$ :n>m">4 e.g
XN]kNJX // in global.asax
:SSe0ZZ_6b protected void Application_Error(Object sender, EventArgs e) {
J']1^"_' if (Server.GetLastError() is HttpUnhandledException)
&oYX093di Server.Transfer("MyErrorPage.aspx");
/g'F +{v hH{&k> //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
E$f.&<>T }
%\[LM$f{z R|8)iW^ Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Hbx=vLQ6 +"T?., 10.清空Cookie
Yv9(8 Cookie.Expires=[DateTime];
1d|+7 Response.Cookies("UserName").Expires = 0
1I KDp]SN A;w,m{9< 11.自定义异常处理
'HkV_d[li //自定义异常处理类
cy?u
* using System;
Revc
:m1o using System.Diagnostics;
BG~h9.c uFb&WIo1 namespace MyAppException
_i:yI-jA {
O~-#>a /// <summary>
j,Qp*b#Qo /// 从系统异常类ApplicationException继承的应用程序异常处理类。
8@Xq ,J /// 自动将异常内容记录到Windows NT/2000的应用程序日志
KCDEMs}}zM /// </summary>
Gs.id^Sf public class AppException:System.ApplicationException
FbJlyWND {
+D`IcR-x public AppException()
"m _wYX {
d~O\zLQ; if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
#=5/D@ }
\Q?r+VZ ~0|Hw.OK public AppException(string message)
,#UaWq@7 {
=wPl;SDf! LogEvent(message);
cW26TtU( }
MI!C% sk$MJSE
~ public AppException(string message,Exception innerException)
yFshV\ {
WWc{]R^D LogEvent(message);
tH2y:o72 if (innerException != null)
e[yk'E {
L=VJl[DL LogEvent(innerException.Message);
M2[;b+W9 }
{*`qL0u]^ }
,F.\ z^\{ $=TFTSO //日志记录类
3rTYe6q$U using System;
-2w\8]u using System.Configuration;
4At%{E using System.Diagnostics;
Obrv5%'
using System.IO;
Q~#udEajI using System.Text;
5pI2G using System.Threading;
`3SY~&X W7S`+Pq namespace MyEventLog
7P?z{x':T {
; GRSe /// <summary>
#)tt}GX /// 事件日志记录类,提供事件日志记录支持
7*M+bZ`x /// <remarks>
ckBcwIXlP& /// 定义了4个日志记录方法 (error, warning, info, trace)
8U*}D~%! /// </remarks>
siZ w-. /// </summary>
x;99[C!$ public class ApplicationLog
+S5"4< {
\d2Ku10v[ /// <summary>
; ob>$ _ /// 将错误信息记录到Win2000/NT事件日志中
*ELbz}Q /// <param name="message">需要记录的文本信息</param>
C3u/8Mrt7 /// </summary>
)Pakb!0H@t public static void WriteError(String message)
lDnF( {
s|dcO WriteLog(TraceLevel.Error, message);
0[7\p\Q }
w
[D9Q= ^9%G7J:vGO /// <summary>
tz)aQ6p\X /// 将警告信息记录到Win2000/NT事件日志中
D4ESo)15' /// <param name="message">需要记录的文本信息</param>
p}.L]Y /// </summary>
ow!utAF public static void WriteWarning(String message)
xJa {
0g,;Yzm WriteLog(TraceLevel.Warning, message);
Nj5Mc>_ }
'mXf8 A/|To!R /// <summary>
c]v$C&FX /// 将提示信息记录到Win2000/NT事件日志中
(xBS~}e /// <param name="message">需要记录的文本信息</param>
|yx]TD{~P /// </summary>
h<f_Eoz-a public static void WriteInfo(String message)
D/'kYoAEO {
#;)Oi9{9; WriteLog(TraceLevel.Info, message);
>u
,Ac: }
xqs{d&W /// <summary>
ztKmB /// 将跟踪信息记录到Win2000/NT事件日志中
[ma'11?G /// <param name="message">需要记录的文本信息</param>
WolkW:(Cg /// </summary>
L%}k.)yev public static void WriteTrace(String message)
zXx H aM {
d`5xd@p WriteLog(TraceLevel.Verbose, message);
KaNi'=nW }
szu!*wc9 f',n' /// <summary>
T@GT=1E) /// 格式化记录到事件日志的文本信息格式
{Xb 6wQ" /// <param name="ex">需要格式化的异常对象</param>
'X d_8. /// <param name="catchInfo">异常信息标题字符串.</param>
s {p-cV /// <retvalue>
W,9. z% /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
$l@nk@ /// </retvalue>
xeF0^p7Z /// </summary>
c
Owa^; public static String FormatException(Exception ex, String catchInfo)
RSC^R}a5 {
NGcd StringBuilder strBuilder = new StringBuilder();
y[:\kI if (catchInfo != String.Empty)
9=O`?$y {
l=ehoyER strBuilder.Append(catchInfo).Append("\r\n");
~[l6;bn }
u9ObFm$7 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
6c,]N@,Zw return strBuilder.ToString();
0+L:+S }
D1rXTI$$ ;gLHSHEA /// <summary>
zP$0B!9 /// 实际事件日志写入方法
IL;JdIa /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Z0uo.
H@.N /// <param name="messageText">要记录的文本.</param>
Tw*:Vw /// </summary>
YRa{6*M private static void WriteLog(TraceLevel level, String messageText)
AiKja>Fl< {
NF8'O try
meey5} {
bnHQvCO3$ EventLogEntryType LogEntryType;
:>4pH switch (level)
]CHO5'%,$ {
1BK!<}yI{ case TraceLevel.Error:
h+=xG|1R[5 LogEntryType = EventLogEntryType.Error;
v EppkS U1 break;
-< D7 case TraceLevel.Warning:
yw2Mr+9I LogEntryType = EventLogEntryType.Warning;
$c"byQ[3S break;
9'nM$a case TraceLevel.Info:
N3dS%F,_ LogEntryType = EventLogEntryType.Information;
TgMa!Vz break;
hEUS&`K case TraceLevel.Verbose:
Z>hS&B LogEntryType = EventLogEntryType.SuccessAudit;
ZeM~13[ break;
[d
30mVM default:
Sggha~E2s LogEntryType = EventLogEntryType.SuccessAudit;
ere h! break;
&\tD$g~"
}
7[z^0?Pygf 5:y\ejU EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
S:2M9nC //写入事件日志
_=0%3Sh eventLog.WriteEntry(messageText, LogEntryType);
&CBW>*B >f+qImH }
NZT2ni4 catch {} //忽略任何异常
WV5z~[ }
#J=^CE } //class ApplicationLog
4SRjF$Bsz }
eb1WTK@ ?.Iau/ 12.Panel 横向滚动,纵向自动扩展
QA|87alh <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
TQ`s&8"P UU\wP(f 13.回车转换成Tab
4`E[WE:Q <script language="javascript" for="document" event="onkeydown">
t&|M@Ouet if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~-2%^ovB event.keyCode=9;
j IO2uTM~ </script>
zplAH!s5'' 5SV w71* onkeydown="if(event.keyCode==13) event.keyCode=9"
c{.y9P6 ByyvRc,v 14.DataGrid超级连接列
mnzB90< DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
E~}@56ER} +"J2k9E 15.DataGrid行随鼠标变色
@M( hyS&on private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
s Zn@y e^ {
@S?`!=M if (e.Item.ItemType!=ListItemType.Header)
Q9T/@FX {
`r#]dT[g e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
hk*@<ff e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
1fgO3N }
i ZU1w7Z }
unX mMSz( pW4O[v` 16.模板列
<TN+-)H6 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
*2,tGZ <ITEMTEMPLATE>
3R|UbG` <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
n[[2<s*YJ </ITEMTEMPLATE>
Y @(izC&h </ASP:TEMPLATECOLUMN>
GZxPh&BM? GN1Q\8)o <ASP:TEMPLATECOLUMN headertext="选中">
r4MPs-}oF <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
>o/+z18x <ITEMTEMPLATE>
B`<a~V <ASP:CHECKBOX id="chkExport" runat="server" />
]mzghH:E </ITEMTEMPLATE>
Mo'6<"x <EDITITEMTEMPLATE>
M{GT$Q <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
r..&6-%:N </EDITITEMTEMPLATE>
m!Y4+KTwD` </ASP:TEMPLATECOLUMN>
3A&:
c/ xg(*j[ff3 后台代码
op8[8pt% protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
E;1QD/E$ {
eP(|]Rk //改变列的选定,实现全选或全不选。
4De2miq CheckBox chkExport ;
xaN[ru@ if( CheckAll.Checked)
D( \c?X" {
kR0/jEz
C foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
}[;{@Zn {
R1cOUV,y[/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
)L+>^cJI< chkExport.Checked = true;
J;DTh ]z?: }
bVxbQ$ }
!kW~s_gUb* else
;$.^ {
,DL%oQR foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*lo0T93B {
#i;y[dQ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
MSqW { chkExport.Checked = false;
U{,:-R }
4s@oj }
ptQCqQ1_d }
#1)#W6 h\ h"}c_lY9 17.数字格式化
u> @@ %/n#{;c# 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
H |%'$oWp <%#Container.DataItem("price","{0:¥#,##0.00}")%>
T`$!/BlZ mXwDB)O{) int i=123456;
r=gF&Og,? string s=i.ToString("###,###.00");
<dWms`QcO > I>=/i^ 18.日期格式化
)z\ 73|w 1j_
6Sw( 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
w~AW(
VX mufXM( 显示为: 2004-8-11 19:44:28
u>\u}c bHRRgR`, 我只想要:2004-8-11 】
Xmny(j)g <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
%#7 ] "}Oj N\ 应该如何改?
y9U*E80q{ Ghf/IXq# 【格式化日期】
\=2<<
iv IY,n7x0d 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
0'Uo3jAB [;Y*f,UG_- 【日期的验证表达式】
ruU &.mZ $tqr+1P A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
_T.T[%-&= ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
;9;jUQ]MyG bLsN?_jy B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
O77^.B ^\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]))$
K+<F,
P i%GNmD 【大小写转换】
yPoa04!{= HttpUtility.HtmlEncode(string);
e_+SBN1`P& HttpUtility.HtmlDecode(string)
' OXL'_Xl sl_f+h0 19.如何设定全局变量
TcpaZ
'x G`r/ te sW Global.asax中
?_`X8Ok G'T:l("l Application_Start()事件中
jaL# /k.?x] Ab 添加Application[属性名] = xxx;
^&7gUH*v [:M Fx6 就是你的全局变量
y=&^=Zh[ ne|N!!Dmk 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
@(CJT-Ak E$C0\O!7 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
m% %\k
\ VmON}bb[zz 【ASPNETMENU】点击菜单项弹出新窗口
MlV3qM@ B=)tq.Q7 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
ih=O#f| <?xml version="1.0" encoding="GB2312"?>
3H`r|R <MenuData ImagesBaseURL="images/">
gxc8O).5vY <MenuGroup>
"ph[)/u; <MenuItem Label="内参信息" URL="Infomation.aspx" >
)v+\1 <MenuGroup ID="BBC">
UT%?3}*u" <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
.#{m1mr <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
]sDlZJX<M ......
}u.I%{4 y_M,p?]^, 最好将你的aspnetmenu升级到1.2版
P?|>,
\t ,uL}O]L 21.读取DataGrid控件TextBox值
.cK<jF@' foreach(DataGrid dgi in yourDataGrid.Items)
=`g@6S {
x"~gulcz TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
*?~&O.R" tb.Text....
]--"
K{ }
TFO4jjiC" !i8'gq'q 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
<O3,b:vw WesEZ\V 〖思归〗
AGV+Y6 <asp:TemplateColumn HeaderText="数量">
BnU3oP <ItemTemplate>
LAH.PcjPa <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
9'0v]ar onkeyup="javascript:DoCal()"
!'(QF9%Q />
-eFq^KP2 ebiOR1)sN <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
R6`,}<A]@ </ItemTemplate>
4tlLh`-8 </asp:TemplateColumn>
]6].l$%z# ~\UAxB= <asp:TemplateColumn HeaderText="单价">
$
S]l% <ItemTemplate>
Ap!Y 3C <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
7e=s`j onkeyup="javascript:DoCal()"
rLE5fl5W />
5@^['S4%8* _n+
5{\z <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
-'uz%2 { cd.|> </ItemTemplate>
lbm ,# </asp:TemplateColumn>
6Ao{Aej| (%)<jg1 <asp:TemplateColumn HeaderText="金额">
<P_B|Y4N/ <ItemTemplate>
uF\ ;m. <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
XXy&1C </ItemTemplate>
m^KK
#Hw/` </asp:TemplateColumn><script language="javascript">
2`pg0ciX ( function DoCal()
MXs]3M {
I`q" var e = event.srcElement;
6]fz;\DgP var row = e.parentNode.parentNode;
.&rL>A2U var txts = row.all.tags("INPUT");
N4u-tlA if (!txts.length || txts.length < 3)
h 6juX'V return;
;oWak`]f C!^[d var q = txts[txts.length-3].value;
l~ZIv var p = txts[txts.length-2].value;
{Z1^/Fv3 /=g$_m@yWI if (isNaN(q) || isNaN(p))
"f4atuuXa return;
vJsx_i\i jd+U+8r q = parseInt(q);
@QAI 0ZY p = parseFloat(p);
-op(26:W< UgD&tD0fp txts[txts.length-1].value = (q * p).toFixed(2);
RP%7M8V){B }
THmmf_w@ </script>
b$N&sZ :ywm 4) kZNVUhW6S x%%OgO+> i|CAN,' 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。
o,_R;'\E[a page_load
fvr|<3ojo page.smartNavigation=true
tB<|7 .iZo/_ 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 ?
`Zd\d:Wyv private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
2py
[P {
}\]J?I+ A for(int i=0;i<e.Item.Cells.Count-1;i++)
KVp3pUO if(e.Item.ItemType==ListItemType.EditType)
Iz9b5 {
E&>= e.Item.Cells.Attributes.Add("Width", "80px")
Qw.j }
uolEX+ }
E\vW>g*W />dYk Iv 26.对话框
xnPi'?A] private static string ScriptBegin = "<script language=\"JavaScript\">";
-P-&]F5 private static string ScriptEnd = "</script>";
,Kwtp)EX 6HRr4NDcj public static void ConfirmMessageBox(string PageTarget,string Content)
M`tNYs]V {
NH;.!xq: string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
:7)lg iM2 V2IurDE ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
p>= b|Qy| X*e<g= Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
;0-Y), ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
3oMhsQz~z //Response.Write(strScript);
dr]Pns9 }
hYSf;cG}A `l+
pk% 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
st wxF?\NS 1hW"#>f7 1.1 取当前年月日时分秒
M7\yEi"* currentTime=System.DateTime.Now;
MT{ovDA]. yR[htD` 1.2 取当前年
#SqU>R int 年= DateTime.Now.Year;
I3d!!L2ma _
cm^Fi5 1.3 取当前月
`R,g_{Mj int 月= DateTime.Now.Month;
# GOL%2X A_2oQ* 1.4 取当前日
L<Q>:U.@\ int 日= DateTime.Now.Day;
)GR4U8<>g TcOmBKps' 1.5 取当前时
L<0eIw int 时= DateTime.Now.Hour;
s|IC;C| %IK[d#HO 1.6 取当前分
o((!3H{D int 分= DateTime.Now.Minute;
Jo4iWJpK \7] SG 1.7 取当前秒
H1-eMDe int 秒= DateTime.Now.Second;
")D5ulb\ @=dwvl' W 1.8 取当前毫秒
89\DS!\x9 int 毫秒= DateTime.Now.Millisecond;
'oS= d l9#@4Os 28.自定义分页代码:
@3Gr2/a s_%KWkS 先定义变量 :
E@_]L<Z public static int pageCount; //总页面数
`]j:''K public static int curPageIndex=1; //当前页面
bz|-x"qk dT'd C 下一页:
?XB[awTD~ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Z!2%{HQ=q {
H&!?c5 DataGrid1.CurrentPageIndex += 1;
=pd#U curPageIndex+=1;
giORc
}
0YO/G1O& Sd+bnq% bind(); // DataGrid1数据绑定函数
^]X\boWlI ]?lUe5F 上一页:
rObg:(z&\ if(DataGrid1.CurrentPageIndex >0)
qaiR329fx {
>o )v DataGrid1.CurrentPageIndex += 1;
dzs(sM= curPageIndex-=1;
#H.DnW }
{P'^X+B0* xP-\)d-.aN bind(); // DataGrid1数据绑定函数
1fqJtP6 pYz\GSd 直接页面跳转:
N;R I
A int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
T7?cnK" 0[.T`tpN' if(a<DataGrid1.PageCount)
a~&euT2 {
,$(a,`s) this.DataGrid1.CurrentPageIndex=a;
2 `U+
! }
D+"+m%^>C ^=[b]*V bind();
'nN'bVl/ ;S+]Z!5LT 29.DataGrid使用:
k nljc^ u{5+hZ 添加删除确认:
xl ,(=L] private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%gEgpJd {
W]I+Rlv)U foreach(DataGridItem di in this.DataGrid1.Items)
Wgb L9'}B {
I6Ga'5bV if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
W9:(P {
GD0Q`gWNe ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
OE=.@Ry" }
vbEO pYCS }
T!Nv }
jJyS^*.X )8%m|v#W 样式交替:
nd~O*-uYg ListItemType itemType = e.Item.ItemType;
S#*aB2ZS M`p[ Zq if (itemType == ListItemType.Item )
w\y) {
<op|yh3Jkk e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
w7Ij=!) e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
11?d,6Jl }
#oJ%i+V else if( itemType == ListItemType.AlternatingItem)
=[LUOOR*] {
}6!m Q e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
_~bG[lX ! e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
mr>dZ) }
ffR<G&"n~b z!aU85y 添加一个编号列:
nrKir DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
+g&M@8XO& DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
){4 ! zKfY0A R for(int i=0;i<dt.Rows.Count;i++)
RC!9@H5S# {
cs?IzIQ dt.Rows["number"]=(i+1).ToString();
6cXZ3;a }
o^W.53yX H1r8n$h DataGrid1.DataSource=dt;
+}iuTqu5 DataGrid1.DataBind();
;s?,QvE{r# tHV+#3h DataGrid1中添加一个CheckBox,页面中添加一个全选框
f&!{o= private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
|:pBk: {
RMlx[nsq foreach(DataGridItem thisitem in DataGrid1.Items)
7X <# {
+NTC!/ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
SW7AG;c= }
UBw*}p }
ny1Dg$ui2 a xz-H`oq4 将当前页面中DataGrid1显示的数据全部删除
6iS7Hao" foreach(DataGridItem thisitem in DataGrid1.Items)
<3laNk {
]/7#[ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
>
1=]. {
[D2<) string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
2 }rYH;Mx Del (strloginid); //删除函数
:{%~L4$HI }
('+C $ }
Q2"K!u] S3^(L 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)
|LirjC4 H3+P;2{ 在Application_Start中添加以下代码:
465?,EpS Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
vF9fXY= AppSettings["ConnStr"].ToString();
V^< Zs//7 \?vn0;R4 31. 变量.ToString()
!d&SVS^mo y>0Gmr 字符型转换 转为字符串
Jk57| )/ 12345.ToString("n"); //生成 12,345.00
T@d4NF# 12345.ToString("C"); //生成 ¥12,345.00
bzh: 12345.ToString("e"); //生成 1.234500e+004
)!Zm*( 12345.ToString("f4"); //生成 12345.0000
lsU`~3nr 12345.ToString("x"); //生成 3039 (16进制)
{ a_&L 12345.ToString("p"); //生成 1,234,500.00%
i93^E~q] D~)bAPAD 32、变量.Substring(参数1,参数2);
hVh,\d&2t krRnE7\m 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);
f1q0*)fk [y"Yi PK 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)
0(Hzh?t_ <SCRIPT language="javascript">
"
f.9u <!--
*2
~"%"C function gook(pws)
HqXS-TG {
?~ <NyJHN% frm.submit();
hfpis== }
6t3Zi:=I //-->
q-qz-cR =m6<H </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
aa}U87]k <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
W!JEl|] <tr>
~YXkAS: <td>
9>=S@hVMd <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
bT`et*] <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
0qL.Rnt <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
e?:1wU V0xO:7G^ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
EAoq2_(`a <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
j:U6q,f] =nv/
r </td>
8Yf=) cC9haxW </tr>
EPU3Jban
[0lO0ik>G </form>
.:=5|0m !UHX?<3r 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。
yeA]j[ # fa!8+kfi 下面是获取用户输入的登陆信息的代码:
>^D5D%" string name;
sLf~o"yb name=Request.QueryString["EmailName"];
l_pf9!z Z9j`<VgN
try
lqvP
Dz {
. dJBv int a=name.IndexOf("@",0,name.Length);
4jC7>mE f_user.Value=name.Substring(0,a);
=z\/xzAwX f_domain.Value=name.Substring(a+1,name.Length-(a+1));
B^C5? f_pass.Value=Request.QueryString["Psw"];
mt4X }
czH# ~ 4c<\_\\ck catch
)\J~KB4 {
T1;>qgp4b Script.Alert("错误的邮箱!");
NMESGNa)z Server.Transfer("index.aspx");
9]:F!d/ }