1. 打开新的窗口并传送参数:
avrf]raM| @U08v_, 传送参数:
3Z;`n,g response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
p "EQ6_f gF,9Kv~ 接收参数:
Xn^gxOPM string a = Request.QueryString("id");
ZG+8kt!w string b = Request.QueryString("id1");
eS{lr4-] E8j>Toz 2.为按钮添加对话框
ohklLZoZ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
me"}1REa button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
%/NB263Db NPF"_[RoeV 3.删除表格选定记录
|{]W (/ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
J@ZIW%5 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
U0G( h BD .IB 4.删除表格记录警告
2&7:JM~# private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
"u:5 {
v#J2yg switch(e.Item.ItemType)
pLi_)(#z_ {
#e:cB' f case ListItemType.Item :
?_*X\En*3 case ListItemType.AlternatingItem :
77?/e^K\S case ListItemType.EditItem:
xsn2Qn/P TableCell myTableCell;
{?yZdL:m) myTableCell = e.Item.Cells[14];
ZT;$aNy LinkButton myDeleteButton ;
Ib3n%AG myDeleteButton = (LinkButton)myTableCell.Controls[0];
1S
.~Vh0Q, myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
1\K%^<QY break;
] }XsP default:
Wv!#B$J~U break;
q9 !)YP+w }
w ;+x g 1'ts>6b }
I(!i"b9 n?'I&0>M 5.点击表格行链接另一页
|Xz-rgkQ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
([\mnL<FC {
ahQdBoj //点击表格打开
;cKN5#7 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R"%zmA@o= e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
hq[;QF:B }
}n /6.% sI>I 双击表格连接到另一页
&f48MtE KCEBJ{jM 在itemDataBind事件中
s?r:McF` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
W
!TnS/O_1 {
9n\:grW string OrderItemID =e.item.cells[1].Text;
=Ts2a"n ...
8[@aX;I e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
t+7|/GLs2 }
IL*Ghq{/ &/)2P#u 双击表格打开新一页
62BT 3/~ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ZYf0FC=- {
Mkc
string OrderItemID =e.item.cells[1].Text;
.yK~FzLs ...
84(NylZ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
R|4a9G }
W%Jw\ z= &d}1)? ★特别注意:【?id=】 处不能为 【?id =】
kF{'?R5w 6.表格超连接列传递参数
#_oN.1u57 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
^\o 3V< <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
{"f4oK{w qaE>]) 7.表格点击改变颜色
jUnS&1]MF if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
[\|`C4@3a {
\M$e#^g e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
va6e]p*Oy this.style.color=’buttontext’;this.style.cursor=’default’;");
r:rM~`` }
ol^uM .k%_ n[|*[II 写在DataGrid的_ItemDataBound里
K,B qVu if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
i{T mn {
\0bao< e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
I$yFCd Xr this.style.color=’buttontext’;this.style.cursor=’default’;");
LTsX{z e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
aYy+iP'$ }
~1xfE C/ 8rZJvE#c
y^OT0mZkg 8.关于日期格式
pf&H !-M | R\PQ/) 日期格式设定
mV~aZM0' DataFormatString="{0:yyyy-MM-dd}"
} J_"/bB R
-#40 我觉得应该在itembound事件中
.5?e)o) e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
0Ncx':]5 |j2b=0Rpk 9.获取错误信息并到指定页面
UQ[!k 6 hD)'bd 不要使用Response.Redirect,而应该使用Server.Transfer
irZMgRQAT
p"l GR&b e.g
,#/%Fn%T // in global.asax
ERka l7+ protected void Application_Error(Object sender, EventArgs e) {
>oD,wSYV~ if (Server.GetLastError() is HttpUnhandledException)
10gh4,z[ Server.Transfer("MyErrorPage.aspx");
D5Z@6RVt -q&K9ZCl` //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
r^g"%nq9/ }
G+5_I"`W As}3VBd 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
[:Upn)9 r$Gz 10.清空Cookie
3P,
ul*e Cookie.Expires=[DateTime];
K$1(HbL Response.Cookies("UserName").Expires = 0
Q
L 1e .5_zh;
` 11.自定义异常处理
z*oeho //自定义异常处理类
Xh5&J9pw using System;
EOj.Jrs~ using System.Diagnostics;
o&U'zaj )G+D6s23 namespace MyAppException
dQ.:xu}~ {
_n~[wb5J /// <summary>
%tK^&rw% /// 从系统异常类ApplicationException继承的应用程序异常处理类。
jx=5E6(h /// 自动将异常内容记录到Windows NT/2000的应用程序日志
gRsV-qS /// </summary>
t>KvR!+`g public class AppException:System.ApplicationException
w%2|Po5 {
.`ZuUr public AppException()
@A.7`*i_ {
uUIjntSF( if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
1#w'<}h#U }
k00&+C ,%^qzoZnT public AppException(string message)
YqQAogyh {
O)FkpZc@9c LogEvent(message);
7;8DKY q }
F!RzF7h1 hJc^NU5 public AppException(string message,Exception innerException)
(ah^</ {
{SRv=g LogEvent(message);
SuJa?VU1w if (innerException != null)
fD* ?JzVY {
qx'F9I LogEvent(innerException.Message);
O$*\JL }
yDORL|
E' }
eWk
W,a 6Zx'$F.iqK //日志记录类
:OKU@l| using System;
'Szk!,_ using System.Configuration;
@{ CP18~: using System.Diagnostics;
F2^qf using System.IO;
(~Hwq:=. using System.Text;
KvvG
H-] using System.Threading;
T/Bx3VWL Z~{0x#?4% namespace MyEventLog
4#Rq}/h {
RD_l /// <summary>
Xw'Y
&!z /// 事件日志记录类,提供事件日志记录支持
m=#< /// <remarks>
JY0}#FtgV /// 定义了4个日志记录方法 (error, warning, info, trace)
Z,QSbw@,7 /// </remarks>
%;ZDw@_< /// </summary>
gyT3[*eh public class ApplicationLog
Ir?ehA {
1i=p5,| /// <summary>
IKFNu9*"h /// 将错误信息记录到Win2000/NT事件日志中
KB`">zq$u /// <param name="message">需要记录的文本信息</param>
8(@Y@`/ /// </summary>
IAFj_VWC0 public static void WriteError(String message)
j"4]iI+ {" {
hmES@^n!_ WriteLog(TraceLevel.Error, message);
Yw6d-5=: }
W5U;{5 !#TM%w /// <summary>
X B[C&3I /// 将警告信息记录到Win2000/NT事件日志中
J,_IHzO~Z /// <param name="message">需要记录的文本信息</param>
E/Adi^ /// </summary>
;/~%D( public static void WriteWarning(String message)
oFDJwOJ'Bj {
!4"<:tSO WriteLog(TraceLevel.Warning, message);
jlM%Y
ZC }
|Qz"Z<sNYw ~|R/w%*C /// <summary>
|QO)xEn~ /// 将提示信息记录到Win2000/NT事件日志中
qG8-UOUDt /// <param name="message">需要记录的文本信息</param>
'(fCi /// </summary>
Rap =& public static void WriteInfo(String message)
IWNIk9T,u {
V5up/ 6b,1 WriteLog(TraceLevel.Info, message);
Epm%/ {sHV }
&B@qb?UE1 /// <summary>
W:y'a3~ /// 将跟踪信息记录到Win2000/NT事件日志中
wpepi8w, /// <param name="message">需要记录的文本信息</param>
$E35W=~) /// </summary>
<xaB$}R public static void WriteTrace(String message)
,&aD
U {
Q^|aix~ K WriteLog(TraceLevel.Verbose, message);
f'& }
lFc4| _c g pWN5 >HV /// <summary>
oh%/\Xu /// 格式化记录到事件日志的文本信息格式
39Zs /// <param name="ex">需要格式化的异常对象</param>
e*/ya 8p? /// <param name="catchInfo">异常信息标题字符串.</param>
G}0fk]%\: /// <retvalue>
c
6$n: /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
kOLS<>. /// </retvalue>
qp`G5bw /// </summary>
.9u,54t public static String FormatException(Exception ex, String catchInfo)
a4D4*=!G0 {
}<
m@82\ StringBuilder strBuilder = new StringBuilder();
zE_t(B(Q if (catchInfo != String.Empty)
gLQbA$gB {
P#x]3j] strBuilder.Append(catchInfo).Append("\r\n");
yL%k5cO$N }
}c;h:CE# strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
bl-t>aO*.V return strBuilder.ToString();
("rIz8b }
~8^)[n+)x *
~4m!U_s /// <summary>
-"X}
)N2 /// 实际事件日志写入方法
Rss=ihlM /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
!#Hca /// <param name="messageText">要记录的文本.</param>
oQ_n:<3X /// </summary>
cwKOE?! private static void WriteLog(TraceLevel level, String messageText)
K}YOs. {
?Ulc`-d try
T7!=KE_z {
n+;PfQ| EventLogEntryType LogEntryType;
Bl8&g]dk switch (level)
~zA{=|I2 {
G##^xFx case TraceLevel.Error:
;WpPdR2 LogEntryType = EventLogEntryType.Error;
!Knv/:+ break;
{1j[RE case TraceLevel.Warning:
*S>,5R0k LogEntryType = EventLogEntryType.Warning;
fP
5!`8 break;
?.&?4*u case TraceLevel.Info:
p!w}hB598 LogEntryType = EventLogEntryType.Information;
k.CHMl] break;
D:Y`{ { case TraceLevel.Verbose:
l5d>
YTK+5 LogEntryType = EventLogEntryType.SuccessAudit;
uyDYS break;
q'p>__Ox default:
L7qlvS Q LogEntryType = EventLogEntryType.SuccessAudit;
>5!/&D.q break;
J"dp?i }
ALY%
h!L vXi}B EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
ds9`AiCW> //写入事件日志
3`aJ"qQE eventLog.WriteEntry(messageText, LogEntryType);
,*$/2nB^ tXIre-. 2} }
Oz1ou[8k catch {} //忽略任何异常
/+F|+1 }
F ttny] } //class ApplicationLog
4ng*SE_ }
P$|DiiH mmn1yX:d 12.Panel 横向滚动,纵向自动扩展
k^PqB+P! <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
(B zf~#]~
YErn50L 13.回车转换成Tab
7F{=bL <script language="javascript" for="document" event="onkeydown">
@tLoU% if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
'c<@SVF{Zz event.keyCode=9;
:l>T~&/98 </script>
0OMyE9jJJ B|O/h!H. onkeydown="if(event.keyCode==13) event.keyCode=9"
5W!E.fz*T 9e Dji, 14.DataGrid超级连接列
>P=xzg79 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
TJB0O]@3 'Sc3~lm(dH 15.DataGrid行随鼠标变色
GSW{h[Op private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'}5}wCLA {
~^"cq
S( if (e.Item.ItemType!=ListItemType.Header)
w
I@
lO\ {
[21tT/ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~::gLm+f e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
K (plzQ3 }
f41!+W= }
00G[`a5 cQv*lvG9> 16.模板列
`4&\ %9 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
<!zItFMD[m <ITEMTEMPLATE>
5hp b=2 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
j>s%q. </ITEMTEMPLATE>
,7M9f </ASP:TEMPLATECOLUMN>
1{"fmV 7@Di nA! <ASP:TEMPLATECOLUMN headertext="选中">
jq["z<V)x <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
@/JGC%! <ITEMTEMPLATE>
DoPm{055J <ASP:CHECKBOX id="chkExport" runat="server" />
AX1'.
</ITEMTEMPLATE>
7Hpsmfm <EDITITEMTEMPLATE>
){>;eky <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
~pj9_I </EDITITEMTEMPLATE>
US7hK Nm. </ASP:TEMPLATECOLUMN>
(>0d+ KT -lMC{~h\(S 后台代码
nwN<Q\]S protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
KX<RD|= {
jVRd[ //改变列的选定,实现全选或全不选。
X2i<2N*@ CheckBox chkExport ;
eS@RA2
if( CheckAll.Checked)
mc(&'U8R0I {
YQN=.Wtc foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
J&a887 {
XpH[SRUx chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
de1& chkExport.Checked = true;
i}<R>]S }
}C#YR(] }
6w}:w?=6 else
MO#%w {
o-O/M S foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
XtfL{Fy|T {
~*B1}#; chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
z7P PwTBa chkExport.Checked = false;
<tF]>(|M }
T"d]QYJS }
A{6ZEQAh> }
Y\p
yl Lp
]d4"L;3 17.数字格式化
~82jL%-u (rwbF 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
i]$d3J3 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
V7[qf " (Z,,H1L int i=123456;
F'j:\F6C; string s=i.ToString("###,###.00");
)edM@beY_ b vu` = 18.日期格式化
yl'~H;su RycEM|51V 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
7OWiG, $e*Nr=/ 显示为: 2004-8-11 19:44:28
~4`wfOvO `a6;*r y 我只想要:2004-8-11 】
+Zr03B <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
zIo))L kcYR:;y 应该如何改?
M}5 C;E* gN]`$==c[ 【格式化日期】
MW$9,[ 5%>U.X?i 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
_>`0!mG yQx>h6 【日期的验证表达式】
;:!LAe
2hpx%H A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
sJ?kp^!g ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
[]2GN{m z H \*v' B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
e.jgV=dT- ^\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]))$
!J71[4t <K0lS;@K 【大小写转换】
Sc0ZT/Lm HttpUtility.HtmlEncode(string);
q/3}8BJ HttpUtility.HtmlDecode(string)
8EE7mEmLH 3Q ]MT 19.如何设定全局变量
Rp<Xu6r rb_G0/R Global.asax中
ZE\t{s0 T5Fah#-4 Application_Start()事件中
w}1)am&pD Sph+kiy| 添加Application[属性名] = xxx;
/d=$,q1 3|?fGT;P 就是你的全局变量
*m"mt 4YCGh 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
?eO|s5r 8r|LFuI HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
<^~F~]wnH 5Ci}w|c/> 【ASPNETMENU】点击菜单项弹出新窗口
WIGb7}egR drZw#b 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
f*5"Jh@ <?xml version="1.0" encoding="GB2312"?>
{e@1,19 <MenuData ImagesBaseURL="images/">
p&\uF#I;
<MenuGroup>
B 3h<K} <MenuItem Label="内参信息" URL="Infomation.aspx" >
m,KY_1%M <MenuGroup ID="BBC">
2
g8PU$T <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
oD 8-I^ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
5cADC`q ......
wTW"1M "L)pH@) 最好将你的aspnetmenu升级到1.2版
ES~]rPVS ~9c9@!RA2 21.读取DataGrid控件TextBox值
aj,ZM,Ad foreach(DataGrid dgi in yourDataGrid.Items)
C[pDPx,#:G {
MQ+ek4 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
5R Hs tb.Text....
}Q=Zqlvz }
@$*c0.
|z 96.Wfx 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
<#Lw.;(U;k h>/ViB@"W| 〖思归〗
vuZ<'?Nm <asp:TemplateColumn HeaderText="数量">
fkG8,= <ItemTemplate>
,J^Op
<asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
/LD*8 a onkeyup="javascript:DoCal()"
;H=6u />
2ya`2 m *O5+?J Z! <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Q.\>+4]1&& </ItemTemplate>
P2p^jm
</asp:TemplateColumn>
Dk-L4FS c`.:"i"k3 <asp:TemplateColumn HeaderText="单价">
r &[~/m8zl <ItemTemplate>
E)P1`X <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
uM}O8N onkeyup="javascript:DoCal()"
H6O\U2+ />
zaZ}:N/w(z ,54<U~Lg: <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Wg%-m%7O t>fB@xHBB </ItemTemplate>
{<2ZbN? </asp:TemplateColumn>
fUL"fMoU f3>/6C <asp:TemplateColumn HeaderText="金额">
,2`d3u^CW <ItemTemplate>
{5udol5? <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
jveRiW@ </ItemTemplate>
@\y7
9FX </asp:TemplateColumn><script language="javascript">
P1QJ'eC;T function DoCal()
Kq$Zyf=E {
ie!4z34 var e = event.srcElement;
W!k6qTz) var row = e.parentNode.parentNode;
}D^Gt) var txts = row.all.tags("INPUT");
vFOv
I Vp if (!txts.length || txts.length < 3)
XbC8t &Q], return;
&J b.OCf ?5Fj]Bk] var q = txts[txts.length-3].value;
0Nu]N)H5<l var p = txts[txts.length-2].value;
,&=`T7i _iu|*h1y if (isNaN(q) || isNaN(p))
)rj mJ return;
[}2.CM {Y[D!W2y q = parseInt(q);
"{_"NjH p = parseFloat(p);
XV>6;!=E 4m*(D5Y=| txts[txts.length-1].value = (q * p).toFixed(2);
$<4Ar*i }
DBUwf1=qj </script>
mz*z1`\7v\ X$9QW3.M ~@8d[Tb Yg[IEy S nHAY< 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
kA4ei page_load
~@D%qbN page.smartNavigation=true
6bcrPf} <.b$
gX 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 ?
|S{P`)z%f private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
]eW|}V7A: {
1Ol]^'y7) for(int i=0;i<e.Item.Cells.Count-1;i++)
ugB{2oq i if(e.Item.ItemType==ListItemType.EditType)
i =N\[& {
Wu( 8G e.Item.Cells.Attributes.Add("Width", "80px")
`tG_O }
s
vb4uvY }
s8[9YfuW 4C%>/*%8> 26.对话框
^-u HdafP private static string ScriptBegin = "<script language=\"JavaScript\">";
w<Cmzkf private static string ScriptEnd = "</script>";
rcx;3Vne S I7B6c public static void ConfirmMessageBox(string PageTarget,string Content)
P|4E1O {
DA$Q- string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
^Nw]'e3 Jche79B ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
o%%x'uC =h::VB}Lv Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
&ZN'Ey? ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
0:'jU //Response.Write(strScript);
>iH).:j }
zm+4Rl( ]B3FTqR{i 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
vvAk<[
NP`s[ 1.1 取当前年月日时分秒
15o.j!S currentTime=System.DateTime.Now;
_c8.muQ< 93IOG{OAY 1.2 取当前年
4AOS}@~W int 年= DateTime.Now.Year;
U;{,lS2l MQ(/l_=zQ 1.3 取当前月
W 8$=a int 月= DateTime.Now.Month;
i?>>
9f@F )O@^H 1.4 取当前日
!X%!7wsc int 日= DateTime.Now.Day;
Gv,92ny!| 9]@J*A}=l 1.5 取当前时
f WjS) int 时= DateTime.Now.Hour;
`qDz=,)WP ,{?bM 1.6 取当前分
] ZGvRA& int 分= DateTime.Now.Minute;
0ITA3v8{ E#$_uZ4 1.7 取当前秒
pq?[ wp" int 秒= DateTime.Now.Second;
n,jE#Z.D ./nYXREO| 1.8 取当前毫秒
udD*E~1q int 毫秒= DateTime.Now.Millisecond;
7 G[ GHc> # )mkD4 28.自定义分页代码:
[gkRXP[DGs ru/zLj: 先定义变量 :
I^O:5x>[l public static int pageCount; //总页面数
"1!.^<V* public static int curPageIndex=1; //当前页面
RA/ =w& 8U<.16+5Q 下一页:
mXU?+G0 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
aI{@]hCo {
~|Ih
JzDt DataGrid1.CurrentPageIndex += 1;
tw4am.o1] curPageIndex+=1;
}'V'Y[ }
,rFLpQl vg:J#M: bind(); // DataGrid1数据绑定函数
.l( r8qY# b6!Q!:GO& 上一页:
J4Z<Yt/ if(DataGrid1.CurrentPageIndex >0)
%*5g<5 {
_"!{7e`Z DataGrid1.CurrentPageIndex += 1;
|t 65#1 curPageIndex-=1;
:*P___S= }
oyN+pFVB:$ ccN &h bind(); // DataGrid1数据绑定函数
/cL9?k;o FJjF*2 . 直接页面跳转:
W_BAb+$aF int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
(#-=y~% <[3lV)~t if(a<DataGrid1.PageCount)
UQ$\
an' {
;%rs{XO9 this.DataGrid1.CurrentPageIndex=a;
oX2DFgz }
oj^5G
]_< KSgQ:_u4} bind();
X[~f:E[1J *]:G7SW{ 29.DataGrid使用:
+A'q#~yILa Jl}!CE@- 添加删除确认:
>|_gT%]5 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
y13CR2t6 {
D)*_{
foreach(DataGridItem di in this.DataGrid1.Items)
F`;TU"pDf {
\9>g;qPg} if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
_yxe2[TD {
f`u5\!}=! ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
XgiI6-B~ }
^;)SFmjg% }
]m/@wW9 }
"lU]tIpCu !8
wid& 样式交替:
SA`J.4yn ListItemType itemType = e.Item.ItemType;
} `>J6y9 ,WO%L~db if (itemType == ListItemType.Item )
t7*G91Hoq& {
mq{$9@3 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
)WP]{ W)r e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
>uyeI&z }
c69U1 else if( itemType == ListItemType.AlternatingItem)
s=q%:uCO {
sxN>+v11z e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
c?p0#3%L# e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
1%SJ1oY }
|~/3u/
+eDN,iv 添加一个编号列:
s]F?=yEp DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
iJCY /*C} DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
vGPf`2/j. K'iS#i7 for(int i=0;i<dt.Rows.Count;i++)
{hvQ<7b {
fz<|+(_>J dt.Rows["number"]=(i+1).ToString();
EBj,pk5M }
u:AfHZ D y`W5_xSz DataGrid1.DataSource=dt;
vy{rwZ$ DataGrid1.DataBind();
x%IXwP0 5A2Y'ms,/ DataGrid1中添加一个CheckBox,页面中添加一个全选框
0,1L e$)6 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
@wYQLZ {
PEX26== foreach(DataGridItem thisitem in DataGrid1.Items)
_q$0lqq~u {
ONr?.MJ6j ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
:>tF_6 }
S|{Yvyp }
{UX"Epd);n 5bF9IH 将当前页面中DataGrid1显示的数据全部删除
] 689 Q%D foreach(DataGridItem thisitem in DataGrid1.Items)
G_2gKkIK- {
DGa#d_I if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
~J:$gu~` {
{dy`
%It string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
a2cx Del (strloginid); //删除函数
c]s(u+i }
c ,h.`~{ }
eEW roF r%g
<hT 8 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)
E(aX4^]g " ;-{~ 在Application_Start中添加以下代码:
*/%$6s~ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
~4MtDf AppSettings["ConnStr"].ToString();
V!pq,!C$v gD,YQ%aq 31. 变量.ToString()
EFa{O`_@U 3JlC/v#0 字符型转换 转为字符串
T =eT^?v 12345.ToString("n"); //生成 12,345.00
?VMi!-POE 12345.ToString("C"); //生成 ¥12,345.00
G zJ9N` 12345.ToString("e"); //生成 1.234500e+004
{+@ms$z 12345.ToString("f4"); //生成 12345.0000
Ht`<XbQ> 12345.ToString("x"); //生成 3039 (16进制)
7.7Cluh5, 12345.ToString("p"); //生成 1,234,500.00%
['51FulDR $?]@_= 32、变量.Substring(参数1,参数2);
F9m 2C'U 4B:\ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
&57qjA,8< '\ph`Run 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
\S=XIf <SCRIPT language="javascript">
|uQn|"U4 <!--
qO:U]\P function gook(pws)
{Ior.(D>Y {
]iz_w`I\ frm.submit();
q=P
f^Xp }
652u Z};e //-->
bjM-Hd/K K?h[.`} </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
(,- 5(fW <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
~u_K&X <tr>
17V\2=Io <td>
c^ixdk <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
&_Cxv8 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
paq8L{R <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
r\A@&5#q kbfuvJ> <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
[b7it2`dl <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
B]'e$uyL7 J>f
/u:. </td>
M*g2VyZ $x;tSJ)m~ </tr>
Nf=C?`L )x$!K[= </form>
,3w I~j= #rhVzN-?)W 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。
[TRGIGtq Bv;I0i:_
下面是获取用户输入的登陆信息的代码:
|x1$b7 string name;
QDIsC name=Request.QueryString["EmailName"];
xT{TVHdU y,'FTP9? try
<