1. 打开新的窗口并传送参数:
QQwD)WG h^D]@H 传送参数:
-^sbf. response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
9(/ ;Wutj" Z $? Ql@M 接收参数:
YIQm;EEG string a = Request.QueryString("id");
8,,$C7"EP string b = Request.QueryString("id1");
:2KLziO2 >_4Ck{^d# 2.为按钮添加对话框
x1}7c9nK Button1.Attributes.Add("onclick","return confirm(’确认?’)");
u0@i3Po button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Z E*m; ~$8t/c 3.删除表格选定记录
hF!t{ Lf3 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
y2U^7VrO string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
s2{d<0x?v -U?Udmov 4.删除表格记录警告
exqFwmhh private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
%Hk9.1hn5 {
x}W,B,q switch(e.Item.ItemType)
'xUyGj: {
9;^ r case ListItemType.Item :
)-_]y|/D:r case ListItemType.AlternatingItem :
OeuM9c{ case ListItemType.EditItem:
]S6`",+)<f TableCell myTableCell;
dT%$"sj5 myTableCell = e.Item.Cells[14];
DUk&`BSJ LinkButton myDeleteButton ;
k(oHmw myDeleteButton = (LinkButton)myTableCell.Controls[0];
wW~y?A"{2 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
VV*Z5U@b break;
d_j%
,1-# default:
#-_';Er\ break;
L*Mt/ }
:D>afC8, (hB&OP5Fne }
-Cjc~{B>7X 2Qqk?;^1 5.点击表格行链接另一页
bm>,$GW( private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Z.b} {
iwnctI //点击表格打开
Zr0bVe+h if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
B>3joe} e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Zz<k^ }
hpD\, y\DR,$Py 双击表格连接到另一页
hE41$9?TJ :esHtkyML 在itemDataBind事件中
d;3/Vr$t= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
i+$G=Z#3E {
BitP?6KX string OrderItemID =e.item.cells[1].Text;
B&~#.<23: ...
4L RrrW e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
vps</f! }
v2e*mNK5 prvvr;Ib 双击表格打开新一页
H uPw?8w= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.Vm!Ng )j {
>~-8RM string OrderItemID =e.item.cells[1].Text;
|F
}y6 gH ...
*{qW7x.6h e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
E880X<V)> }
e6C;A]T2E l,n0=Ew ★特别注意:【?id=】 处不能为 【?id =】
jP?YV 6.表格超连接列传递参数
]d$:R`; <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
y9cDPwi:b <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
}fps~R >+iJ(jqq 7.表格点击改变颜色
*;QIAd if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
mXd,{b' {
PuvC
MD e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
WgxGx`Y) this.style.color=’buttontext’;this.style.cursor=’default’;");
'?Mt*%J@=$ }
*9#6N2J$M 4l/hh|3@ 写在DataGrid的_ItemDataBound里
d
NQ?8P-& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Yj/aa0Ka4 {
S+^*rw e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
vUEG0{8l this.style.color=’buttontext’;this.style.cursor=’default’;");
G%{J.J41F e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
|,*N>e }
:+%"kgJNL LUGyc( h F)ak5 8.关于日期格式
{:U zW\5l) O)y|G%O 日期格式设定
J<g$hk DataFormatString="{0:yyyy-MM-dd}"
!^{0vFWE D00I!D16 我觉得应该在itembound事件中
woCmpCN*I e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
>K
}j}M% 00Tm]mMQX 9.获取错误信息并到指定页面
>WfkWUb OAoTsqj6 不要使用Response.Redirect,而应该使用Server.Transfer
f)`_su
U \J*~AT~5q e.g
(twwDI // in global.asax
p"A2N+
protected void Application_Error(Object sender, EventArgs e) {
KxyD{W1 if (Server.GetLastError() is HttpUnhandledException)
oy8L{8? Server.Transfer("MyErrorPage.aspx");
X$aN:!1 [D!-~]5 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Y?ADM(j }
xLxXc!{J5 97/"5i9 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
#2`ST=# <gvuCydsh 10.清空Cookie
:@mBSE/ Cookie.Expires=[DateTime];
{y5v"GR{YM Response.Cookies("UserName").Expires = 0
EW$.,%b1 p:*)rE 11.自定义异常处理
5c(mgEvq //自定义异常处理类
O*;$))<wX using System;
]>j>bHG using System.Diagnostics;
DRp h?V\ $1aJdZC7 namespace MyAppException
L#t^:% {
(u/-ud1p /// <summary>
<OX_6d *@ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
UH8q:jOi /// 自动将异常内容记录到Windows NT/2000的应用程序日志
]H ze /// </summary>
WJ%4IaT public class AppException:System.ApplicationException
vBFMne1h {
fP+RuZ public AppException()
_/FpmnaY {
z|KQiLza if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
T\ixS-%^ }
#6fQ$x(F#j $&fP%p public AppException(string message)
A_h|f5
{
ua!i3]18 LogEvent(message);
!p:kEIZ)y }
*d~).z) ((& y:{?G public AppException(string message,Exception innerException)
HuVx^y`
@ {
p$5uS=:4`8 LogEvent(message);
wSy|h*a, if (innerException != null)
.|$:%"O&X {
Fe
r&X LogEvent(innerException.Message);
O4)'78ATp }
}u3Q*oAGl }
j{8;5 ?x Th\w#%'N //日志记录类
U?@ s`. using System;
FfeX;pi using System.Configuration;
4q9+a7@ using System.Diagnostics;
Yz%A Kp using System.IO;
c0I;8z`b using System.Text;
%S`ygc}| using System.Threading;
e8Ul^] U z*7J namespace MyEventLog
0|Rt[qwKb@ {
`_MRf[Z} /// <summary>
3I"xuKxc /// 事件日志记录类,提供事件日志记录支持
k?!CJ@5$ /// <remarks>
_Wb3,E a= /// 定义了4个日志记录方法 (error, warning, info, trace)
5L?_AUL /// </remarks>
''Pu /// </summary>
U4$}8~o4 public class ApplicationLog
TnuaP'xZ {
g!QX#_~Il /// <summary>
b0(bL_, /// 将错误信息记录到Win2000/NT事件日志中
`>HM<Nn-0 /// <param name="message">需要记录的文本信息</param>
Oax6_kmOj /// </summary>
pr=f6~Z-y public static void WriteError(String message)
A$JL"~R {
.RazjXAY WriteLog(TraceLevel.Error, message);
iBqxz:PHN( }
c"wk_# l:@`.'-= /// <summary>
0:1[F!]'b /// 将警告信息记录到Win2000/NT事件日志中
&c AFKYt /// <param name="message">需要记录的文本信息</param>
EDDld6O, /// </summary>
@K=:f public static void WriteWarning(String message)
8|cQW-L {
KUV(vAY, WriteLog(TraceLevel.Warning, message);
pW7#&@AR }
5bj9S Zra P\ ? /// <summary>
)yl;i /// 将提示信息记录到Win2000/NT事件日志中
ln1QY"g /// <param name="message">需要记录的文本信息</param>
-X]?ql*%` /// </summary>
kd=|Iip;( public static void WriteInfo(String message)
h,*-V 'X.k {
ku3(cb!2 WriteLog(TraceLevel.Info, message);
Md*~hb8J }
/bSAVSKR /// <summary>
:aO`q/d /// 将跟踪信息记录到Win2000/NT事件日志中
*3!#W|#=]N /// <param name="message">需要记录的文本信息</param>
m=4hi(g /// </summary>
LBIsj}e public static void WriteTrace(String message)
ML!>tCT {
6)]zt WriteLog(TraceLevel.Verbose, message);
|34M.YjA }
5/E7@h , E,}(jAq7 /// <summary>
nOm-Yb+F /// 格式化记录到事件日志的文本信息格式
h,fC-+H5 /// <param name="ex">需要格式化的异常对象</param>
(teK0s;t5k /// <param name="catchInfo">异常信息标题字符串.</param>
eZ
G#op /// <retvalue>
[uLpm*7 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
i)1013b /// </retvalue>
-V F*h.' /// </summary>
gebDNl\Y2 public static String FormatException(Exception ex, String catchInfo)
EyDH-}Y {
k .#I ;7 StringBuilder strBuilder = new StringBuilder();
j /)A<j$ if (catchInfo != String.Empty)
oc>N| ww: {
FoW|BGA~ strBuilder.Append(catchInfo).Append("\r\n");
xbNL <3"a }
"*T4%3dA strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
C}=9m
A return strBuilder.ToString();
+HSKFp }
s#p\ r
/D>G4PP< /// <summary>
khb/"VYd /// 实际事件日志写入方法
\c\z 6;j /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
$/FL)m8.3 /// <param name="messageText">要记录的文本.</param>
haSC[[o= /// </summary>
eJy}W / private static void WriteLog(TraceLevel level, String messageText)
>4G~01 {
Q3'L\_1L try
<HfmNhI85( {
<- (n48 EventLogEntryType LogEntryType;
oXgi#(y switch (level)
([ODmZHv {
(`js/7[`H[ case TraceLevel.Error:
hRI?>an LogEntryType = EventLogEntryType.Error;
=,J-D6J? break;
^//`Dz case TraceLevel.Warning:
ec&K}+p@ LogEntryType = EventLogEntryType.Warning;
(hi{i break;
2DXV~> case TraceLevel.Info:
WzqYBa LogEntryType = EventLogEntryType.Information;
oU/{<gs break;
w{"ro~9o case TraceLevel.Verbose:
@=6*]:p2. LogEntryType = EventLogEntryType.SuccessAudit;
K}(@Ek break;
/=[hRn@)A default:
{'UK>S LogEntryType = EventLogEntryType.SuccessAudit;
5_[we1$P break;
S7h?tR*u }
FT
Ytf4t 1a
t Q9 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Zq" //写入事件日志
2o<aEn&7|e eventLog.WriteEntry(messageText, LogEntryType);
W}P9I&3 DR(/|?k+ }
pn p)- a*7 catch {} //忽略任何异常
ZkmYpi[ }
*q*$%H } //class ApplicationLog
?_j]w%Hz }
1xDh[:6 l\_81oZ 12.Panel 横向滚动,纵向自动扩展
]-{A"tJ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
m9mkZ:r(kV 4XgzNwm 13.回车转换成Tab
>c=-uI <script language="javascript" for="document" event="onkeydown">
D zdKBJT + if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
K)#6&\0tT event.keyCode=9;
ld[BiP`B2V </script>
"Ky&x$dje Vs9]Gm onkeydown="if(event.keyCode==13) event.keyCode=9"
|lMc6C B4eV $~< 14.DataGrid超级连接列
M-/2{F[ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
#]*]qdQWV^ NJmyp!8 15.DataGrid行随鼠标变色
>^GAfvW private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"V<WC" {
9dwLkr if (e.Item.ItemType!=ListItemType.Header)
T-y5U}, {
[mFgo
il e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
nP+jkNn3 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
ke19(r Ch }
M~g{}_0Z }
!,O Y{=' 2Ft#S8 16.模板列
U"535<mR <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
]92=PA>75 <ITEMTEMPLATE>
&HtG&RvQf <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
*YP:- </ITEMTEMPLATE>
8 Y))/]R </ASP:TEMPLATECOLUMN>
R,`3 SW() ltlnXjRUv <ASP:TEMPLATECOLUMN headertext="选中">
OWZ;X}x <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
e3WEsD+ <ITEMTEMPLATE>
#F#M<d3-2
<ASP:CHECKBOX id="chkExport" runat="server" />
i>
dLp </ITEMTEMPLATE>
3/Dis)
v8 <EDITITEMTEMPLATE>
KvumU>c#A <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
N=j$~,yG </EDITITEMTEMPLATE>
9)$gD </ASP:TEMPLATECOLUMN>
H`nd | h|.{dv 后台代码
!X\aZ{}Q protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
kd OIL2T {
N>IkK*v //改变列的选定,实现全选或全不选。
v+W4wD CheckBox chkExport ;
sMcN[r if( CheckAll.Checked)
U
nS|"" {
`S|T&|ad0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
xTy)qN]P {
`8kL=%(h chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
W?gelu] chkExport.Checked = true;
Q6r7UM }
<
49\B }
oO9yI^ else
~H:.&'E {
W)Mc$`nX foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
?ajVf./Ja {
\{54mM~ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
2XrYm"6w chkExport.Checked = false;
zKQXmyO }
c@lH }
[Uw3.CVh }
Ebp=du DpIk$X 17.数字格式化
a6'T]DW0W vk<4P;A(G 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
cHon' tS <%#Container.DataItem("price","{0:¥#,##0.00}")%>
$s,(-C m}]\ ^$d int i=123456;
~b})=7 n. string s=i.ToString("###,###.00");
ztC>*SX \R,8xID_t 18.日期格式化
[_HOD^ w
sbzGW~= 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
toel!+ 8@]vvZ2/gj 显示为: 2004-8-11 19:44:28
XhmUtbs vP^V3 我只想要:2004-8-11 】
R(IYb%L <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
[s F/sa3 @O8X ) 应该如何改?
V eLGxc iZ 9ed]mf 【格式化日期】
0W ,.1J2* ddEV@2F 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
hs<OzM
0F<$Zbe2B 【日期的验证表达式】
LzD,]{CC5 Bh7dAV( A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
j#
n ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
i}v3MO\X _CG
ED{b@ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
w~>tpkUB ^\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]))$
*#j_nNM4 -EG=}uT['b 【大小写转换】
:_kZkWD5 HttpUtility.HtmlEncode(string);
k;
ned HttpUtility.HtmlDecode(string)
}r|$\ms `vD.5 19.如何设定全局变量
a7"Aq:IjU bf6:J
`5Z Global.asax中
N^zFKDJG TH*}Ja^/ Application_Start()事件中
RU% 4~WC =gHUY&sPu8 添加Application[属性名] = xxx;
t>eeOWk3 uYXkD#{ 就是你的全局变量
yE|hA2G?0 `{xKU8j^ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
j>Cp4 ,=dc-%J HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
a&<_M$J& #O!gjZ, 【ASPNETMENU】点击菜单项弹出新窗口
jAfqC@e 0HDL;XY6 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
`W2
o~r*& <?xml version="1.0" encoding="GB2312"?>
xo#K_"E <MenuData ImagesBaseURL="images/">
=$uSa7t# <MenuGroup>
F87c?Vh)K <MenuItem Label="内参信息" URL="Infomation.aspx" >
6!v$"u|[!' <MenuGroup ID="BBC">
Rl n% Y <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
eDsc_5I <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
0+Q;a ......
URj2 evYW abg`:E 最好将你的aspnetmenu升级到1.2版
sv2XD}} Vj6w7hz 21.读取DataGrid控件TextBox值
l]S% k& foreach(DataGrid dgi in yourDataGrid.Items)
?fQ8Ff {
HH|N~pBJB TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
5?8jj tb.Text....
o`{^ptu1q }
\12y,fOJ v>sjS3 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?
O#Ho08*Xn 8B3C[? 〖思归〗
O8/r-?4. <asp:TemplateColumn HeaderText="数量">
YA~`R~9d <ItemTemplate>
U;LX"'} <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
bd)Sb? onkeyup="javascript:DoCal()"
FA1h!Vit />
9ZI^R/*Kc
#M|q}jA| <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
K,dEa<p </ItemTemplate>
G x{G}9 </asp:TemplateColumn>
/]9(InM9/ ? s[!JeUA <asp:TemplateColumn HeaderText="单价">
rbI 7
3' <ItemTemplate>
t]8nRZ1 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
,y gDNF onkeyup="javascript:DoCal()"
a2B9
.;F />
EOo,olklC oT"7O5v <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
.GIygU_ co{i~['u </ItemTemplate>
op61-:q/ </asp:TemplateColumn>
cq}i)y cRP!O|I`] <asp:TemplateColumn HeaderText="金额">
`+@r0:G&v <ItemTemplate>
>)VWXv0 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
CQH^VTQ </ItemTemplate>
-lb%X3` </asp:TemplateColumn><script language="javascript">
C#P7@ JE function DoCal()
na_Wp^; {
t""d^a#Dp var e = event.srcElement;
yQ| V7G var row = e.parentNode.parentNode;
E51S#T var txts = row.all.tags("INPUT");
yHn8t]{ if (!txts.length || txts.length < 3)
qE M,~:lTn return;
hI,+J> Vsd4; var q = txts[txts.length-3].value;
B* k|NZj var p = txts[txts.length-2].value;
34 I Cn~ C5~
+"#B if (isNaN(q) || isNaN(p))
)p[Qj58 return;
n7hjYNJ LrdX^_,nt q = parseInt(q);
5Vlm?mPU p = parseFloat(p);
hHyB;(3~ 3V3 q
vd txts[txts.length-1].value = (q * p).toFixed(2);
Dp^6|T* HU }
"s7}eWM*a </script>
fhmBKeFdV
'}E"Mdb s"x(i T2 /u7<D- K[i&!Z&
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。
iJr(;Bq page_load
oo]g=C$n page.smartNavigation=true
%S<))G lhB;jE 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
+ De-U. private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
1aoKf F( {
F **/T for(int i=0;i<e.Item.Cells.Count-1;i++)
C@ "l" if(e.Item.ItemType==ListItemType.EditType)
)TwA?kj {
yXBWu=w3`O e.Item.Cells.Attributes.Add("Width", "80px")
RSIhZYA }
ja^ }
6<No_x |_ 5E}!TL$ 26.对话框
PKYm{wO- private static string ScriptBegin = "<script language=\"JavaScript\">";
U%KsD 4B private static string ScriptEnd = "</script>";
fDwqu.K YZz8xtM<2 public static void ConfirmMessageBox(string PageTarget,string Content)
!jRs5{n^Ol {
[>|6qY$D string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Zz! yv(e)H spTIhZ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
6&,9=(:J&R 4q\gFFV4 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
7A{,)Y/w ^ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
p)s*Cw //Response.Write(strScript);
DS0:^TLI }
9a]h;r8,9z O[z-K K< 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
7mnZ,gpb #ib?6=sPC 1.1 取当前年月日时分秒
cCq mrjUmV currentTime=System.DateTime.Now;
As(6E}{S z
9~|Su 1.2 取当前年
"`
kSI&2 int 年= DateTime.Now.Year;
9''x'E=| Os1=V 1.3 取当前月
A4Tjfc,rx9 int 月= DateTime.Now.Month;
O@-(fyG \hZye20 1.4 取当前日
E|x t\* int 日= DateTime.Now.Day;
)No> Q :t {emym$we 1.5 取当前时
x,#? int 时= DateTime.Now.Hour;
-S
0dr8E z W*Z 1.6 取当前分
,b74m int 分= DateTime.Now.Minute;
(4C_Ft*~j ,9~qLQ0O 1.7 取当前秒
8!qzG4F/ int 秒= DateTime.Now.Second;
PF0AU T |yi#6!}^ 1.8 取当前毫秒
W&e}* int 毫秒= DateTime.Now.Millisecond;
dQ_yb+< <+AvbqDe 28.自定义分页代码:
%h&F 7$7#z\VWu 先定义变量 :
2xt$w% public static int pageCount; //总页面数
< [q{0, public static int curPageIndex=1; //当前页面
sH :_sOV* fPab%>/T{ 下一页:
yXCJ? if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
sg4TX?I {
$8fJ DN DataGrid1.CurrentPageIndex += 1;
~-#8j3 J; curPageIndex+=1;
BZk0B? }
8Wx7%@^O 7rIEpN>* bind(); // DataGrid1数据绑定函数
#F ;@Qi3z j:[#eC 上一页:
;bkvdn} if(DataGrid1.CurrentPageIndex >0)
0"koZd,c {
InB'Ag" DataGrid1.CurrentPageIndex += 1;
$TFWum9wO curPageIndex-=1;
imZ"4HnPP }
l*+9R Jv59zI bind(); // DataGrid1数据绑定函数
3EA`]&d> uex([;y 直接页面跳转:
.CEl{fofj int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
sEcg;LFp pZ&?uo67_ if(a<DataGrid1.PageCount)
Df=Xbf>jt9 {
HA3d9` this.DataGrid1.CurrentPageIndex=a;
~jMfm~ }
E/3<8cV u*8x.UE8C0 bind();
/`b`ai8`8 C ,[q#D4 29.DataGrid使用:
sdXZsQw FXFyF*w2 添加删除确认:
NkYC( ;g private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2t:CK {
aThvq%; foreach(DataGridItem di in this.DataGrid1.Items)
H*h4D+Kxv {
AzFS6<_ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
R;H>#caJ {
lBNB8c0e"{ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
zc5>)v LH= }
[ Ru( H }
6U%F
mE @ }
lh*!f$2~ J6g:.jsK! 样式交替:
;!pJ%p0Sc ListItemType itemType = e.Item.ItemType;
;
nYR~~ oU)3du
if (itemType == ListItemType.Item )
m4RiF {
G!g];7PG( e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
HKG8X=" e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
UiH5iZ<r; }
i} ?\K>BWq else if( itemType == ListItemType.AlternatingItem)
@~`:sa+H {
s1
(UOd7} e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
6(V"xjK e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
0hCUr]cZ, }
yIqRSqM |!uC [= 添加一个编号列:
2R~[B]2"r DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
(n4Uc308 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
&f<Ltdw &-p!Lg&D for(int i=0;i<dt.Rows.Count;i++)
`l+9g"q {
|]tsf
/SA dt.Rows["number"]=(i+1).ToString();
\Vl)q>K_h }
A4f;ftB #-K,," DataGrid1.DataSource=dt;
s+&iH DataGrid1.DataBind();
vze|*dKS zd?uMq;w DataGrid1中添加一个CheckBox,页面中添加一个全选框
-'RD%_ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
V*1-wg5> {
15"[MX A foreach(DataGridItem thisitem in DataGrid1.Items)
D<(VP{,G {
JJu}Ed_ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
[A#>G4a< }
7WEoyd }
t[X,m]SX Sbjc8V ut 将当前页面中DataGrid1显示的数据全部删除
fP;2qho foreach(DataGridItem thisitem in DataGrid1.Items)
ZG1 {"J/z {
2GJp`2(%dA if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
AqjEz+TVt {
y.?Q string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
ANXN.V Del (strloginid); //删除函数
2>Sr04Pt }
n-:n.JX }
d?>pcT)G_ !sav~dB) 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)
?D=t:= r lXMrn 在Application_Start中添加以下代码:
2[5z6oG Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
./Wi(p{F AppSettings["ConnStr"].ToString();
E9:p A5H-j }!@X(S!do
31. 变量.ToString()
tnFhL& ^1`T_+#[s 字符型转换 转为字符串
jn#Ok@tZ 12345.ToString("n"); //生成 12,345.00
n/Dk~Q) 12345.ToString("C"); //生成 ¥12,345.00
`g:bvIV5x> 12345.ToString("e"); //生成 1.234500e+004
8|-064i> 12345.ToString("f4"); //生成 12345.0000
95oh}c 12345.ToString("x"); //生成 3039 (16进制)
d6{0[T^L 12345.ToString("p"); //生成 1,234,500.00%
y\}<N6 "Sd2VSLg 32、变量.Substring(参数1,参数2);
4Q^i"jT <77v8=as5 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);
,=y8[(h UjH+BC+9`b 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)
}7Y@u@R <SCRIPT language="javascript">
Df=zrs[" <!--
A3zO&4f
] function gook(pws)
`sJv? {
J_>nn frm.submit();
eLyaTOZadu }
T``~YoIdz //-->
3R ZD=` 7A46?kfu </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
i`" L?3T <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
99&PY[f:{ <tr>
WkK.ON^ <td>
%!p/r` <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
z)&GF$* <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
R4[dh.lf <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
#{suH7 H"%SzU <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
~6Df~uN <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
vAo|o* cKH By </td>
h} <Ie < {ZD'l5jU </tr>
iM{UB=C KfMaVU=4P </form>
j!hdi-aTU k{B;J\`E; 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。
,P$Crs[ a$h
zG- 下面是获取用户输入的登陆信息的代码:
7;H P_oAu string name;
L*Q#!_K0P name=Request.QueryString["EmailName"];
ulxy 4] h *OMW" NZ; try
1[H1l; {
EPL"H:o5%< int a=name.IndexOf("@",0,name.Length);
(X}Q'm$n\h f_user.Value=name.Substring(0,a);
#dm"!I>g f_domain.Value=name.Substring(a+1,name.Length-(a+1));
\z)` pno f_pass.Value=Request.QueryString["Psw"];
~h6aTN }
$sBje*; yZ57uz catch
%<Kw {
\A/??8cgXs Script.Alert("错误的邮箱!");
e8$OV4X Server.Transfer("index.aspx");
D}7G|gX1 }