1. 打开新的窗口并传送参数:
]IaMp788 "2!&5s,1p 传送参数:
C-xr"]#] response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
@b\$ yB@z 1> ?M>vK 接收参数:
$yP*jO4i string a = Request.QueryString("id");
5; C| string b = Request.QueryString("id1");
VCYwzB ,};&tR 2.为按钮添加对话框
#-rH1h3*q Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Fk7?xc button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
"> ypIR< .Cv6kgB@c 3.删除表格选定记录
8H[<X_/ke int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Y+pHd\$-4 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
TT%M'5& _IMW{ 4.删除表格记录警告
YO`]UQ|dc private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
qfF~D0} {
D'>_I. switch(e.Item.ItemType)
cbjs9bu {
H.P_]3f case ListItemType.Item :
Xc++b|k case ListItemType.AlternatingItem :
#&+{mCjs case ListItemType.EditItem:
l03B=$ TableCell myTableCell;
2F[ q). myTableCell = e.Item.Cells[14];
hwuiu* LinkButton myDeleteButton ;
]Ee?6]bN myDeleteButton = (LinkButton)myTableCell.Controls[0];
VO5#Qg en myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
%jJG>T break;
s3N'02G default:
MBK^FR-K break;
[>3./YH` }
/A\8 mL8 !"e5h`/ADM }
810|Tj*U% =}^9 wP 5.点击表格行链接另一页
AD>e?u private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:]K4KFM {
qw301]y //点击表格打开
3ZuZ/= if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!vi>U|rh e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
D_ 2:k'4 }
>IafUy =HK!(C 双击表格连接到另一页
[&[k^C5 HdI8f!X'TG 在itemDataBind事件中
PN%zIkbo if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^S<Y>Nm] {
ho{*Cjv string OrderItemID =e.item.cells[1].Text;
UBKu/@[f@ ...
n6=By|jRh e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Wb,KjtX }
},?kk1vIT{ f^ZRT@`O 双击表格打开新一页
>~rTqtKd if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Oxnp0 s {
`cn#B
BV string OrderItemID =e.item.cells[1].Text;
2ACCh4(/P ...
H H)!_(SA e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
of~4Q{f$6 }
Ufj`euY m,28u3@r ★特别注意:【?id=】 处不能为 【?id =】
)iX~}7 6.表格超连接列传递参数
o#)C^xlQ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
'c&Ed <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
T.F!+ *U- 4Sy 7.表格点击改变颜色
~Gp[_ %K if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
.<?GS{6
N {
CT@ jZtg0 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Mexk~zA^ this.style.color=’buttontext’;this.style.cursor=’default’;");
;a!S!%.h }
P{`C^W$J^ hNiE\x 写在DataGrid的_ItemDataBound里
^#-l
q) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
@s>Czm5 {
N];NAMp e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
dbLZc$vPj this.style.color=’buttontext’;this.style.cursor=’default’;");
pQ" >UL* e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
iU918!!N }
LP^$AAy H'5)UX@LP f5"k55 } 8.关于日期格式
YMyfL8bO ~NgA 日期格式设定
BZ#(
DataFormatString="{0:yyyy-MM-dd}"
Y Uc+0 pad*oPH, 我觉得应该在itembound事件中
"^[ 'y7i e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
bP#:Oi0v` NYUL:Tp 9.获取错误信息并到指定页面
7"D",1h ]%SH> 不要使用Response.Redirect,而应该使用Server.Transfer
{W`%g^Z|H _ye |Y e.g
XX!%RE`M8 // in global.asax
q$UJ$7=f8 protected void Application_Error(Object sender, EventArgs e) {
Ny7 S if (Server.GetLastError() is HttpUnhandledException)
5I;&mW`1,` Server.Transfer("MyErrorPage.aspx");
/<k/7TF` (/YHk`v2 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
0o4XUW }
k'Hs}z eNn &B;~
Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
M?49TOQA *R,5h2; 10.清空Cookie
q q`4<0 I> Cookie.Expires=[DateTime];
nPtuTySG Response.Cookies("UserName").Expires = 0
bs&43Ae }K>d+6qk5 11.自定义异常处理
?81c 4w //自定义异常处理类
@{e}4s?7od using System;
]q[D>6_ using System.Diagnostics;
=Bey gT^ Jr4Ky<G_i namespace MyAppException
uZYF(Yu {
}tuC} /// <summary>
Q*cf( /// 从系统异常类ApplicationException继承的应用程序异常处理类。
<=&`ZH /// 自动将异常内容记录到Windows NT/2000的应用程序日志
R^fPIv`q /// </summary>
uMv,zO5 public class AppException:System.ApplicationException
bWS&Yk( {
FxY}m public AppException()
lFj]4 {
~P
qM]^ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
E=Bf1/c\ }
Oszj$C(jF :,7hWs public AppException(string message)
ttQGoUkj {
fbvL7*
( LogEvent(message);
~=LE0. 3[ }
DfD&)tsMQ N>1em!AS public AppException(string message,Exception innerException)
Oo~;
L, {
W*:.Gxv] LogEvent(message);
6_;icpN] if (innerException != null)
MchA{p&Ol {
h"W,WxL8 LogEvent(innerException.Message);
`(;m?<% }
/}Axf"OE }
|-ALklXr Rv>-4@fMJ //日志记录类
Q{>k1$fkV using System;
K5 z<3+ using System.Configuration;
KF}hV9IU using System.Diagnostics;
Dy&i&5E.-l using System.IO;
lVa%$F{Pq using System.Text;
j;r-NCBnz using System.Threading;
{Xy5pfW
Q 4_lrg|X1 namespace MyEventLog
1I6px$^E\ {
Y@iS_lR /// <summary>
.Hm>i /// 事件日志记录类,提供事件日志记录支持
ejd(R+ /// <remarks>
/nsX]V6i /// 定义了4个日志记录方法 (error, warning, info, trace)
pki%vRY /// </remarks>
r5/0u(\LB /// </summary>
o-HT1Hc! public class ApplicationLog
^\% (,KNo {
8,%^
M9zBP /// <summary>
2,F.$X /// 将错误信息记录到Win2000/NT事件日志中
;(%QD
3 > /// <param name="message">需要记录的文本信息</param>
@HC Vmg: /// </summary>
~~P5k: public static void WriteError(String message)
I{2hfKUe` {
Om@;J%u/ WriteLog(TraceLevel.Error, message);
5DZ#9m/ }
gD?l-RT> uW{l(}0N /// <summary>
dT8S~-d% /// 将警告信息记录到Win2000/NT事件日志中
X?',n
1 /// <param name="message">需要记录的文本信息</param>
}.(B}/$u /// </summary>
bJ%h53 public static void WriteWarning(String message)
+sA2WK] {
|df Pki{ WriteLog(TraceLevel.Warning, message);
5qm`J,~k }
:Yl-w-oe =nS3p6>rZ /// <summary>
#!#
l45p6 /// 将提示信息记录到Win2000/NT事件日志中
gf@:R'$:+ /// <param name="message">需要记录的文本信息</param>
N+xP26D8 /// </summary>
WH} y"W public static void WriteInfo(String message)
]m<$} {
I236RIq WriteLog(TraceLevel.Info, message);
(ZizuHC }
F>l]
9!P|m /// <summary>
?l )[7LR4 /// 将跟踪信息记录到Win2000/NT事件日志中
!pW0qX\1n /// <param name="message">需要记录的文本信息</param>
T^KKy0ZGM /// </summary>
}0z)5c public static void WriteTrace(String message)
SH$PwJ U {
%> eiAB_b WriteLog(TraceLevel.Verbose, message);
7}>E J }
j^JPZ{ej? LRA8p<Rs /// <summary>
L2z[ /// 格式化记录到事件日志的文本信息格式
SnfYT)Ph /// <param name="ex">需要格式化的异常对象</param>
/3T1U /// <param name="catchInfo">异常信息标题字符串.</param>
Gd=RyoJl /// <retvalue>
KpGhQdR# /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
"+s++@
z /// </retvalue>
=,8]nwgo /// </summary>
HV|,}Wks6s public static String FormatException(Exception ex, String catchInfo)
h]gp ^?= {
n>YKa)|W` StringBuilder strBuilder = new StringBuilder();
NLqzi%s if (catchInfo != String.Empty)
a=2%4Wmz {
PZ9I`P!C strBuilder.Append(catchInfo).Append("\r\n");
tsjrRMR }
cwg"c4V strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
z:*|a+cy return strBuilder.ToString();
D,feF9 }
_D tV bG#>uE J- /// <summary>
5j(k:a+!H /// 实际事件日志写入方法
~>|ziHx /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
.q>iXE_c /// <param name="messageText">要记录的文本.</param>
Lf&kv7Wj /// </summary>
bAMdI 5Zk? private static void WriteLog(TraceLevel level, String messageText)
+e``OeXog {
L0o\J` : try
GTd,n= {
.k !{* EventLogEntryType LogEntryType;
1+s;FJ2} switch (level)
fHFE){ {
y6a3tG case TraceLevel.Error:
O0.*Pmt LogEntryType = EventLogEntryType.Error;
|L ev.,,Ph break;
%ET+iIhK case TraceLevel.Warning:
g7H(PF? LogEntryType = EventLogEntryType.Warning;
Z T%5T}i break;
/N{*"s2) case TraceLevel.Info:
2+XAX:YD LogEntryType = EventLogEntryType.Information;
})%{AfDRF break;
@VEb{ w[H case TraceLevel.Verbose:
}K(TjZR LogEntryType = EventLogEntryType.SuccessAudit;
9*M,R,y break;
@yYkti;4- default:
x%B%f`]8 LogEntryType = EventLogEntryType.SuccessAudit;
GbI/4<)l} break;
a7opCmL }
{l@{FUv ^cWnF0)j. EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
$&c*'3 //写入事件日志
_[BP0\dPW eventLog.WriteEntry(messageText, LogEntryType);
hZb_P\1X \FaP|28h }
@0''k catch {} //忽略任何异常
jP.dDYc }
{JLtE{ } //class ApplicationLog
^\m![T\bX }
TWTb?HP ?@x/E& 12.Panel 横向滚动,纵向自动扩展
0y\Z9+G: <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
i%?* @uj *;FdD{+ 13.回车转换成Tab
}GM'.yutX <script language="javascript" for="document" event="onkeydown">
SpBy3wd if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~xTt204S event.keyCode=9;
Lg hfM"g </script>
u ga_T vY3h3o onkeydown="if(event.keyCode==13) event.keyCode=9"
n@3>6_^rwT Q>z8IlJ} 14.DataGrid超级连接列
y~V(aih}D DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
*-X[u: i|kRK7[6B 15.DataGrid行随鼠标变色
c71y'hnT private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!4!~Lk= {
|-H&o] if (e.Item.ItemType!=ListItemType.Header)
Id9TG/H7 {
er\|i. Y e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
L~3Pm%{@A e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
|.dRily+ }
|w=zOC;v }
['D]>Ot68 <_+X 88 16.模板列
i6Gu@( 8Q <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
* 4
n) <ITEMTEMPLATE>
>\8+:oS^ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
0g;|y4SN= </ITEMTEMPLATE>
Z_NCD`i; </ASP:TEMPLATECOLUMN>
=_^X3z0 *
y,v}- <ASP:TEMPLATECOLUMN headertext="选中">
*^`Vz?g< <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\U_@S. <ITEMTEMPLATE>
LP=)~K< <ASP:CHECKBOX id="chkExport" runat="server" />
n6v6K1 </ITEMTEMPLATE>
t{>q|0 <EDITITEMTEMPLATE>
-?a 26o%e <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
]M3yLYK/P </EDITITEMTEMPLATE>
k?}Zg* </ASP:TEMPLATECOLUMN>
dh\P4 =(^3}x
后台代码
l^}c! protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
b,@/!ia {
l,).p //改变列的选定,实现全选或全不选。
HaYo!.(Fv CheckBox chkExport ;
2<3K3uz if( CheckAll.Checked)
!R$`+wZ62 {
\)e'`29; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
6LhTBV {
v:#tWEbo- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
~LC-[&$ chkExport.Checked = true;
KPki}'GO }
CC`JZ.SO }
7EJ+c${e.- else
Qb%J8juRf {
+ge?w#R foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Vvo7C!$z {
6\t@)=C,Q chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
dN6?c'iN?2 chkExport.Checked = false;
~J]qP #C }
qP
,EBE }
'"Nr, vQo }
05R@7[GWq HOi`$vX}N 17.数字格式化
P<-@h1p, 1;iUWU1@ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
ry]l.@o; <%#Container.DataItem("price","{0:¥#,##0.00}")%>
W*G<X.Hf QGz|*] int i=123456;
?]5qr?W% string s=i.ToString("###,###.00");
OrW u?EN 18.日期格式化
F"kAkX>3} r_d!ikOT( 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
SX#&5Ka/ ^rz_f{c]- 显示为: 2004-8-11 19:44:28
L},_.$I? :'ptuY 我只想要:2004-8-11 】
CN?gq^ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
jWgX_//! s#MPX3itK 应该如何改?
FTldR;}( YYS0` 【格式化日期】
O0:q;<>z |BYRe1l6l 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
iRBfx C,zohlpC 【日期的验证表达式】
)B*t
:tN kf9X$d6 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
m[2gdJK ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
ig"L\ C"T ^?|"L>y B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
l"]V6!-U ^\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]))$
1Ws9WU H*6W q 【大小写转换】
R-14=|7a- HttpUtility.HtmlEncode(string);
d=^z`nt !R HttpUtility.HtmlDecode(string)
~Gw*r\\+ 3XKf!P 19.如何设定全局变量
1mJHued=6 sRfcF`7 Global.asax中
!~Z"9(v'C ,//S`j$S Application_Start()事件中
8EY:tzw (%9$! v{3 添加Application[属性名] = xxx;
vD4*&|8T# 5R7DDJk 就是你的全局变量
(5~h"s 1x^GWtRp 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
D'4\*4is HT@=evV HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
V)4J`xg^ 4K74=r),i 【ASPNETMENU】点击菜单项弹出新窗口
*ui</+ x^CS"v7 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Wl4%GB <?xml version="1.0" encoding="GB2312"?>
=V5%+/r +f <MenuData ImagesBaseURL="images/">
5-M-X#( <MenuGroup>
AwN!;t_0+N <MenuItem Label="内参信息" URL="Infomation.aspx" >
!'Kjx <MenuGroup ID="BBC">
LQ% `c <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
t<qiGDJ<d <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
nFn5v'g ......
N g,j# }7X%'Bg=M 最好将你的aspnetmenu升级到1.2版
5dg(e3T p[cX O= 21.读取DataGrid控件TextBox值
adw2x pj foreach(DataGrid dgi in yourDataGrid.Items)
.(vwIb8\_ {
.V*^|UXbHi TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
EK'!}OGCG tb.Text....
Pc9H0\+Xk }
v0y(58Rz. 0IpmRH/ 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?
/tLVX} & 0$njMnB2l 〖思归〗
#;<Y[hR{P <asp:TemplateColumn HeaderText="数量">
Js;h% <ItemTemplate>
hOeRd#AQK <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
z)"=:o7 onkeyup="javascript:DoCal()"
~XIb\m9H />
svSVG:48 f!"w5qC^ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
E_`=7i </ItemTemplate>
@XVTU </asp:TemplateColumn>
E.f%H(b Ep}s}Stlr} <asp:TemplateColumn HeaderText="单价">
W8<%[-r <ItemTemplate>
%$mA03[MQ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
ZB{Em B0W onkeyup="javascript:DoCal()"
liSmjsk />
=Sv/IXX\di <uJ@:oWG7 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
8_F1AU? u
@8
6f </ItemTemplate>
OKV8zO </asp:TemplateColumn>
3sk9`=[{$ $J2Gf(RU <asp:TemplateColumn HeaderText="金额">
n*$ g]G$ <ItemTemplate>
Je{ykL?N <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
:pUtSs7p} </ItemTemplate>
Yw9GN2AG </asp:TemplateColumn><script language="javascript">
ry!!9Z>9n function DoCal()
W4N{S.#! {
F5Va+z,jg var e = event.srcElement;
j@9T.P1 var row = e.parentNode.parentNode;
;);kEq/=P var txts = row.all.tags("INPUT");
h\e.e3/ if (!txts.length || txts.length < 3)
Y0>y8UV return;
*2?@
|<(r &FD>&WRV var q = txts[txts.length-3].value;
iB{V^ksU var p = txts[txts.length-2].value;
]?*wbxU0 7 3m1 if (isNaN(q) || isNaN(p))
f<H2-(m return;
yjAL\U7`T 7L??ae q = parseInt(q);
O84i;S+-p p = parseFloat(p);
#F#%`Rv1 A's{j7 txts[txts.length-1].value = (q * p).toFixed(2);
#S(Hd?34, }
v1[29t<I! </script>
XRH!]! :r[`.` wbHb;] `]X>V, +0~YP*I`/ 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。
d5.4l&\u page_load
pFXEu=$3 page.smartNavigation=true
PdCEUh\>y 9my^Y9B 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
yw!{MO private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
]3gSQ7 {
Qd-A.{[h for(int i=0;i<e.Item.Cells.Count-1;i++)
99S^f:t if(e.Item.ItemType==ListItemType.EditType)
dscgj5b1~ {
P%6~&woF e.Item.Cells.Attributes.Add("Width", "80px")
<m m[S }
i$@:@&(~Y }
T|p"0b A yZRzIb_ 26.对话框
N$DkX)Z private static string ScriptBegin = "<script language=\"JavaScript\">";
VnzZTGs private static string ScriptEnd = "</script>";
^_6|X]tz1T /mMV{[ public static void ConfirmMessageBox(string PageTarget,string Content)
Q@niNDaW2 {
zTp"AuNHN string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
;r8X.>P* n ;Ei\\p! ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
U17d>]ka ~zgGa:uU Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
7"##]m. ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
?CZd Ol //Response.Write(strScript);
H[gWGbPq7 }
?(PKeq6 g\U-VZ6;p 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
-12U4h<e a}d@
T 1.1 取当前年月日时分秒
d1*<Ll9K currentTime=System.DateTime.Now;
ebq4g387X nNm`Hfi 1.2 取当前年
4W])}C % int 年= DateTime.Now.Year;
>7FHo-H/T N;d] 14| 1.3 取当前月
u y+pP!< int 月= DateTime.Now.Month;
#ABCDi={zA 2/f}S?@ 1.4 取当前日
~@!bsLSMU int 日= DateTime.Now.Day;
*#2h/Q. j+!v}*I![ 1.5 取当前时
T+$[eWk"a int 时= DateTime.Now.Hour;
B[}6-2<>?C H.;Q+A,8^ 1.6 取当前分
\!(zrfP{( int 分= DateTime.Now.Minute;
ZC?Xqp n|hNM?v 1.7 取当前秒
GB^B r6 int 秒= DateTime.Now.Second;
9$Y=orpWxr 83m3OD_y 1.8 取当前毫秒
H::bwn`Vc int 毫秒= DateTime.Now.Millisecond;
CAlCDfKW} @d_M@\r=j 28.自定义分页代码:
+_`7G^U?% E{\2='3\ 先定义变量 :
6LZCgdS{ public static int pageCount; //总页面数
*v`eUQ: public static int curPageIndex=1; //当前页面
&[9709 (= }b}m3i1 下一页:
jCY%| if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
:]"V-1#} {
gIfh3 D=yX DataGrid1.CurrentPageIndex += 1;
_GPe<H curPageIndex+=1;
<%^&2UMg }
FwK]$4* [ )F<V! bind(); // DataGrid1数据绑定函数
,+VGSd 7^Uv7<pw 上一页:
SJLis"8 if(DataGrid1.CurrentPageIndex >0)
7=uj2.J6 {
3%6?g* DataGrid1.CurrentPageIndex += 1;
zCA2X
!7F curPageIndex-=1;
[Pp'Ye~K@c }
k+/6$pI 46x'I( bind(); // DataGrid1数据绑定函数
xo)P?- [UR-I0 s!/ 直接页面跳转:
@iiT< int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
hoP]9&<T /
1RpM]d if(a<DataGrid1.PageCount)
W)/#0*7 {
5G#n"}T this.DataGrid1.CurrentPageIndex=a;
("@!>|H }
}\f0 A- <b.D& bind();
#Z #-Ht x^ni1=kU 29.DataGrid使用:
}ZI7J V9vTsmo( 添加删除确认:
Iv *<La private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\['Cj*e k {
nTas~~Q foreach(DataGridItem di in this.DataGrid1.Items)
# _1`)VS {
)BE1Q*=
n if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
aXVFc5C\ {
(:_$5&i7 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
hp2t"t }
baasGa3}s }
ks tIgcI
}
b>|6t~}M 3Vwh|1? 样式交替:
F
[M,]? ListItemType itemType = e.Item.ItemType;
K9[UB "Q0@/bYq if (itemType == ListItemType.Item )
PCvWS.{ {
!if e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
<%d>v-=B e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
b}f~il }
}C:r9?T else if( itemType == ListItemType.AlternatingItem)
\zY!qpX< {
O^.#d e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
~&T~1xsFJ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
\m,PA'nd/ }
XX@ZQcN dG{A~Z z 添加一个编号列:
.>S!ji DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Ba,`TJ%y DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
eRYK3W \RiP
for(int i=0;i<dt.Rows.Count;i++)
_-D{-Bu# {
uZ5p#M_ dt.Rows["number"]=(i+1).ToString();
+0&/g&a\R }
w(/S?d
9p/Bh$vJ DataGrid1.DataSource=dt;
2iOV/=+ DataGrid1.DataBind();
Z r8*et 3mgD(,(^ DataGrid1中添加一个CheckBox,页面中添加一个全选框
-@s#uA
h private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
7r!x1 {
M7T5
~/4 foreach(DataGridItem thisitem in DataGrid1.Items)
s*[bFJwN {
Sf'CN8 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
I0-MRU~[K }
%{|p j
+ }
\<' ?8ri# L#J1b!D&<6 将当前页面中DataGrid1显示的数据全部删除
CY1Z' foreach(DataGridItem thisitem in DataGrid1.Items)
.3;;;K9a~] {
uph(V if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
*T/']t {
#4PN"o@ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
6'/ #+,d' Del (strloginid); //删除函数
D^O@'zP=At }
NOva'qk }
/7kC< #] QZ 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)
wj,=$RX q1,~ 在Application_Start中添加以下代码:
py4 h(04u Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
Xhm
c6? AppSettings["ConnStr"].ToString();
DUS6SO SU0
hma8 31. 变量.ToString()
! mHO$bQ" Sc0w.5m6 字符型转换 转为字符串
(HVGlw'` 12345.ToString("n"); //生成 12,345.00
X8|, 12345.ToString("C"); //生成 ¥12,345.00
DVA:Cmh\ 12345.ToString("e"); //生成 1.234500e+004
:>
'+"M2r 12345.ToString("f4"); //生成 12345.0000
;I}fBZ3
12345.ToString("x"); //生成 3039 (16进制)
$i&zex{\ 12345.ToString("p"); //生成 1,234,500.00%
uFE)17E CZ;6@{ o 32、变量.Substring(参数1,参数2);
C]6O!Pb0 )e{aN+ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
Hka2 5O%{{J 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
(>Em^(& <SCRIPT language="javascript">
I,tud!p` <!--
{FkF function gook(pws)
&Jj<h: * {
/wp6KXm frm.submit();
`3pW]&
}
'DR!9De //-->
eFgA 8kY) ^[[P*NX3 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
ax`o>_) <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
wMn
i <tr>
Tk}]Gev <td>
j%kncGS <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
HN"Z]/5j <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
M]^5 s;y <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
F8=+j_UGI By|4m <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
.Mbz3;i0 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
?< +WG/(d @{Q4^'K" </td>
S[gx{Bxiw 7#XzrT] </tr>
qGo.WZ$ IxU/?Zm </form>
0B2t"(& $FV NCFN% 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
`?]k{ l1R 9{l}bu/u 下面是获取用户输入的登陆信息的代码:
}vuO$j string name;
CJY$G}rk name=Request.QueryString["EmailName"];
FrS]|=LJhX Ui~>SN>s try
@"A4$`Xi3 {
oR'm2d ^ int a=name.IndexOf("@",0,name.Length);
b6bHTH0 f_user.Value=name.Substring(0,a);
(QEG4&9 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
+7Gwg f_pass.Value=Request.QueryString["Psw"];
@ Y+oiB~Y }
-w2/w@& J1k>07}| catch
K-v#.e4 {
D*jM1w_` Script.Alert("错误的邮箱!");
pi(m7Ci" Server.Transfer("index.aspx");
Sjqpec8 }