1. 打开新的窗口并传送参数:
W=fw*ro Jhclg0q 传送参数:
U[EM<5@I response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
TBN0u k hjVct
r 接收参数:
7~@9=e8G string a = Request.QueryString("id");
I%]~]a string b = Request.QueryString("id1");
Q ke8BRBn }pJ6CW 2.为按钮添加对话框
t6GL/M4 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
)[d?&GK button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
gOpi> 2lVJ"jg 3.删除表格选定记录
/;7\HZ$@/ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
'D ,efTq string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
3;@/`Z_\lt 'OIOl 4.删除表格记录警告
!}Sf?nP# private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
'->%b {
>h^CC*&'pw switch(e.Item.ItemType)
WaY_{)x {
yrp5\k*{y case ListItemType.Item :
8$k `bZ case ListItemType.AlternatingItem :
qPEtMvL
# case ListItemType.EditItem:
.TcsXYL.`, TableCell myTableCell;
pFfd6P myTableCell = e.Item.Cells[14];
YP*EDb?f LinkButton myDeleteButton ;
D=hy[sDBw myDeleteButton = (LinkButton)myTableCell.Controls[0];
Y$3 &?LA myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
r5U[jwP break;
L *a:j default:
[{]/9E/& break;
5K_KZL- }
N/wU P CH!>RRF }
S$ u`)BG): Wpgp YcPS 5.点击表格行链接另一页
HeV6= private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@>>8CU^~ {
:@BAiKa[wa //点击表格打开
G(g`>' m if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|m x)W} e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
97/"5i9 }
=:)p\{B x$:>W3?T=^ 双击表格连接到另一页
C`qo #&fi[|%X$ 在itemDataBind事件中
b.h:~ATgN if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Gjhpi5?%8 {
'R'P^ string OrderItemID =e.item.cells[1].Text;
Yp*Dd}n` ...
uY{zZ4iw e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
}BTK+Tk8 }
0;Lt ,8=`Y9# 双击表格打开新一页
/W vF}y if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
m=g\@&N {
5<Ly^Na: string OrderItemID =e.item.cells[1].Text;
N4]Sp v ...
?8ZOiY( e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
D8Ntzsr6 }
Ll"
Kxg >XTDN ★特别注意:【?id=】 处不能为 【?id =】
$KSdNFtM)A 6.表格超连接列传递参数
GyirE` <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
9'1XZpM1 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
VFmG\ u'Od~x^z 7.表格点击改变颜色
@1+gY4g if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_/FpmnaY {
I&2)@Zw e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
}XOTK^YA this.style.color=’buttontext’;this.style.cursor=’default’;");
C)x>/Qr ~ }
4Ss4jUj ^("23mhfJ 写在DataGrid的_ItemDataBound里
|hx"yy'ux if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
NOC8h\s}( {
WruSL|4iH e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
cSbyVC[r this.style.color=’buttontext’;this.style.cursor=’default’;");
HPGIz!o e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
3pzp6o2 }
_wp>AJ r @ Sq
=q=S prIPPeMdz 8.关于日期格式
ID{62>R }s9eRmJs 日期格式设定
6]%SSq& DataFormatString="{0:yyyy-MM-dd}"
,,FO6+4f n(}cK@ 我觉得应该在itembound事件中
,@\$PyJ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
bD2):U*Fzo |:H
9#= 9.获取错误信息并到指定页面
D^_]x51> B//2R)HS 不要使用Response.Redirect,而应该使用Server.Transfer
p`+=)
n g1!ek e.g
0mt lM( // in global.asax
UFE# J protected void Application_Error(Object sender, EventArgs e) {
Q1Jw7R#?l if (Server.GetLastError() is HttpUnhandledException)
u&M:w5EM Server.Transfer("MyErrorPage.aspx");
+'-i (]@!' V4["+Y //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
n]3Lqe; }
8QJ^@|7 "c9T4=]&t 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
K2Z]MpLD #F|q->2`o 10.清空Cookie
0uZL*4A+C Cookie.Expires=[DateTime];
8I>'xf Response.Cookies("UserName").Expires = 0
+hIC N,8! eNHSfq 11.自定义异常处理
U%:K11Kr //自定义异常处理类
. r?URC using System;
{)CN.z:O using System.Diagnostics;
T{CCZ"Fv /h]#}y j namespace MyAppException
qS9z0HLE {
qUSy0SQ/l /// <summary>
b41f7t= /// 从系统异常类ApplicationException继承的应用程序异常处理类。
x(]Um! /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Kggc9^ 7 /// </summary>
_c z$w5` public class AppException:System.ApplicationException
s)A=hB-V {
lH%%iYBM public AppException()
tM:%{az {
o8RVmOXe if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
7hzd. }
1B0+dxN` %2I >0 public AppException(string message)
j}`XF?2D {
<rKfL`8p LogEvent(message);
FjU
-t/ }
(drDC1\ EGL7z`nt public AppException(string message,Exception innerException)
zObrp {
#0*oj/ LogEvent(message);
srGF=1_ if (innerException != null)
(nDen5Q| {
S^c;i LogEvent(innerException.Message);
_xmS$z)TO }
i-YSt5iq }
x :? EL)( pba`FC4R //日志记录类
IaHu$` v using System;
`
it<\r[= using System.Configuration;
4!U)a using System.Diagnostics;
lf9mdbm using System.IO;
}m -A #4. using System.Text;
NI^jQS
M] using System.Threading;
my}l?S[2d@ t_"]n*zk1 namespace MyEventLog
L;
o$vI~U, {
1$S`>M%a /// <summary>
U)JwoO /// 事件日志记录类,提供事件日志记录支持
H/^t]bg, /// <remarks>
sK/Z'h{| /// 定义了4个日志记录方法 (error, warning, info, trace)
@Rw]boC /// </remarks>
yEPkF0? /// </summary>
L!LhH public class ApplicationLog
K})w {
-Q MO*PY /// <summary>
GlOSCJZ /// 将错误信息记录到Win2000/NT事件日志中
bjr()NM1 /// <param name="message">需要记录的文本信息</param>
4(%LG)a4S /// </summary>
3+WmM4| public static void WriteError(String message)
dr gCr:Gf {
jr2wK?LbB WriteLog(TraceLevel.Error, message);
Fzk%eHG= }
ukDaX 2{9%E6%# /// <summary>
.jv#<"DW /// 将警告信息记录到Win2000/NT事件日志中
?'^dYQ4 /// <param name="message">需要记录的文本信息</param>
^|lw~F /// </summary>
O!k C public static void WriteWarning(String message)
o^3X5})sv {
v/GZByco> WriteLog(TraceLevel.Warning, message);
1EHL8@.M }
"KKw\i Vv_lBYV /// <summary>
V$fn$= /// 将提示信息记录到Win2000/NT事件日志中
s?7"iE /// <param name="message">需要记录的文本信息</param>
`9&~fWu /// </summary>
y[DS$>E public static void WriteInfo(String message)
QIC? `hk1 {
fA"9eUu WriteLog(TraceLevel.Info, message);
%hVI*p3 }
$)Ty@@7C /// <summary>
yfZYGhPN( /// 将跟踪信息记录到Win2000/NT事件日志中
miB+'n"zS /// <param name="message">需要记录的文本信息</param>
fo_*Uva_ /// </summary>
o#QS: '| public static void WriteTrace(String message)
!-~sxa280r {
y41~ WriteLog(TraceLevel.Verbose, message);
A(D3wctdr }
NRMEZ\*L +GL[uxe" /// <summary>
Ya29t98Pk /// 格式化记录到事件日志的文本信息格式
Jy
P$'v~ /// <param name="ex">需要格式化的异常对象</param>
>c=-uI /// <param name="catchInfo">异常信息标题字符串.</param>
Nz%Yi?AF /// <retvalue>
I\<)9`O /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
$6~t|[7:%Y /// </retvalue>
P{2j31u` /// </summary>
i'3)5 public static String FormatException(Exception ex, String catchInfo)
b6d}<b9# {
G<>h>c1>z StringBuilder strBuilder = new StringBuilder();
I#:Dk?"O2 if (catchInfo != String.Empty)
S#b)RpY {
Y-.aSc53 strBuilder.Append(catchInfo).Append("\r\n");
XaH; }
X@\ 9}*9 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
YM&i return strBuilder.ToString();
rCd*'Qg }
f>[{1M]n\ qkA8q@Y4| /// <summary>
ddwokXx
( /// 实际事件日志写入方法
Lt_A& /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
|e91KmiqJ /// <param name="messageText">要记录的文本.</param>
Ge ?Q)N /// </summary>
|F49<7XB[~ private static void WriteLog(TraceLevel level, String messageText)
fS]Z`U" {
/kV5~i<1S try
M:t"is {
er.;qV'Wz6 EventLogEntryType LogEntryType;
Q#lFt,.y switch (level)
Huc|HL#C {
MogIQ case TraceLevel.Error:
KtcuGI/A LogEntryType = EventLogEntryType.Error;
3oMa break;
b!T-{Ns6 case TraceLevel.Warning:
&*; Z(ul&9 LogEntryType = EventLogEntryType.Warning;
S{nBQB< break;
Qov*xRO6 case TraceLevel.Info:
KT0Pmpp5 LogEntryType = EventLogEntryType.Information;
l{Xy %8 break;
T'-kG"l b case TraceLevel.Verbose:
df{6!}/( LogEntryType = EventLogEntryType.SuccessAudit;
;v5Jps2^] break;
vlo!D9zsV3 default:
[sl"\3) LogEntryType = EventLogEntryType.SuccessAudit;
^+}~"nvD break;
t[:G45].-k }
%&!B2z}
rw#?NI: EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Z@i,9 a //写入事件日志
km29]V=} eventLog.WriteEntry(messageText, LogEntryType);
k1fX-2H CcZM0 }
@c=bH>Oz catch {} //忽略任何异常
Yb?(Q% }
>M7(<V } //class ApplicationLog
SN;_.46k }
j/uzsu+ a *qc 12.Panel 横向滚动,纵向自动扩展
W#foVAi . <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
QPX3a8w* u@T,8 13.回车转换成Tab
EMf"rGXu( <script language="javascript" for="document" event="onkeydown">
w01u~"E if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
>NZJ-:t event.keyCode=9;
il7gk< </script>
,"f2-KC4h YJ>P+e\o9 onkeydown="if(event.keyCode==13) event.keyCode=9"
yJ?=HH? 8u"HW~~= 14.DataGrid超级连接列
OBf$0 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
S$qpClXS, 6SEq 2 15.DataGrid行随鼠标变色
!H(V%B% private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
F6Qnz8| {
yc0_7Im? if (e.Item.ItemType!=ListItemType.Header)
WQv`%%G2> {
^-,@D+eW e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Nc*z?0wP e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
f\~A72- }
ivvm.7{ }
lL*"N|Y ASa)xf9 16.模板列
[#2X <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
5>>JQ2'W <ITEMTEMPLATE>
@DK`#, <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
`%$+rbo~ </ITEMTEMPLATE>
lI;ACF^ </ASP:TEMPLATECOLUMN>
zd3^k< }Io5&ww:U <ASP:TEMPLATECOLUMN headertext="选中">
eV\VR
!!i <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
mA4]c
<ITEMTEMPLATE>
*rmM2{6 <ASP:CHECKBOX id="chkExport" runat="server" />
S'=}eeG </ITEMTEMPLATE>
7w.9PNhy <EDITITEMTEMPLATE>
uE'Kk8 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
RP%FMb}nt </EDITITEMTEMPLATE>
LUEZqIf </ASP:TEMPLATECOLUMN>
-EG=}uT['b :_kZkWD5 后台代码
k;
ned protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
}r|$\ms {
`vD.5 //改变列的选定,实现全选或全不选。
|)%;B% CheckBox chkExport ;
V(0V$&qipc if( CheckAll.Checked)
g1&q6wCg| {
> mEB, foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
vvF]g., {
pQk@
+r chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
{GG;/Ns{f- chkExport.Checked = true;
VJgYXPE
` }
:~'R| l }
ITfz/d8 else
?cB26Zrcb {
{=9"WN foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
(1Klj+"p% {
->2m/d4a chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
r?HbApV P chkExport.Checked = false;
GxA[N }
QFIYnxY9 }
6b\JD.r*{ }
[n&SA]a :i*
=s}cv 17.数字格式化
; - 8] $tDM
U3,W 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
yw*|
H T <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Y/y`c-VO z|O3pQn~ int i=123456;
j{Sbf04 string s=i.ToString("###,###.00");
[!U!
Z'i FLLfTkXdI 18.日期格式化
hSG1f` +Os9}uKf 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
t<MO~_`! bCV_jR+ 显示为: 2004-8-11 19:44:28
bOD]`*q w6|l ~.$= 我只想要:2004-8-11 】
l{hO"fzy <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
ISg-?h/ EC7)M}H 应该如何改?
kn}bb*eZ f s2}a 【格式化日期】
NV`=T?1[5 r>J%Eu/O 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
d?)Ic1][ nT=XWM 【日期的验证表达式】
~xf uq{L; KU;J2Kt A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
[H{2<! ^((\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})))?$
\Yr&vX/[p _eUd
RL> B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
|J:m{ ^\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]))$
r)oR`\7 BF /4 【大小写转换】
eJE!\ucS2W HttpUtility.HtmlEncode(string);
l4\ !J/df HttpUtility.HtmlDecode(string)
k<y~n*{_ p:3
V-$4X 19.如何设定全局变量
4VHX4A}CgA ;nKhmcQ4 Global.asax中
eHUb4,%P dUkZ_<5'' Application_Start()事件中
7AQv4 15R:m:T 添加Application[属性名] = xxx;
WP
!u3\91 Bs^p!4=
就是你的全局变量
ICzcV };$ UVgDm&FF 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
S0?e/VWy \ \g Aa-}: HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
-d^c!Iu| p$a+?5'Q 【ASPNETMENU】点击菜单项弹出新窗口
V lS`m,:{ )p[Qj58 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
n7hjYNJ <?xml version="1.0" encoding="GB2312"?>
(/A
6kp? <MenuData ImagesBaseURL="images/">
`_(N(dm <MenuGroup>
hHyB;(3~ <MenuItem Label="内参信息" URL="Infomation.aspx" >
3V3 q
vd <MenuGroup ID="BBC">
Dp^6|T* HU <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
"s7}eWM*a <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
wexa\o ......
LknV47vd AA[?a
最好将你的aspnetmenu升级到1.2版
/@0 3W}qNY;J 21.读取DataGrid控件TextBox值
BKQwF*<V foreach(DataGrid dgi in yourDataGrid.Items)
8$38>cGY^ {
L[MAc](me- TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
1aoKf F( tb.Text....
x/IAc6H~_8 }
F **/T P7*?E* 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
c!] yT0v&s 6k;>:[p 〖思归〗
1HUe8m[#3 <asp:TemplateColumn HeaderText="数量">
B*n_
VBd <ItemTemplate>
L\\'n ) <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
ja^ onkeyup="javascript:DoCal()"
6<No_x |_ />
5E}!TL$ PKYm{wO- <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
U%KsD 4B </ItemTemplate>
fDwqu.K </asp:TemplateColumn>
YZz8xtM<2 !jRs5{n^Ol <asp:TemplateColumn HeaderText="单价">
a@m
64l) <ItemTemplate>
:+%Yul <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
XF?"G<2 onkeyup="javascript:DoCal()"
Y.E]U!i* />
ai;- _M+$ wPaMYxO/ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
DlQ*'PX7 :xC1Ka%~ </ItemTemplate>
'S6JpWG1 </asp:TemplateColumn>
o(g}eP,g} '[Bok=$B) <asp:TemplateColumn HeaderText="金额">
bP7_QYQ6 <ItemTemplate>
}a!c <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
?y,z </ItemTemplate>
{r:5\ </asp:TemplateColumn><script language="javascript">
A4Tjfc,rx9 function DoCal()
Z%QU5. {
T.q7~ba* var e = event.srcElement;
oFp4*<\ var row = e.parentNode.parentNode;
7$"n.cr
: var txts = row.all.tags("INPUT");
9HZR%s[J if (!txts.length || txts.length < 3)
dI~{0)s return;
+lw1v =qS\+ var q = txts[txts.length-3].value;
,AyQCUz{*? var p = txts[txts.length-2].value;
;:8SN&). HA~BXxa/ if (isNaN(q) || isNaN(p))
~--F?KUnL return;
`ex>q HlXEU$e
q = parseInt(q);
||'A9 p = parseFloat(p);
GyGF<%nq OVEQ^\Q5D txts[txts.length-1].value = (q * p).toFixed(2);
vd0uI#g%# }
.`/6[Zp </script>
c='uyx 2@:Ztt6~ jB3Rue:+g SlD7 \X&~ 4Vv$bbu+ 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。
T:S[[#f{5 page_load
R'h.lX page.smartNavigation=true
}W
nvz;]B :F?L,I,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 ?
@}hdMVi private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
I?KGb:]| {
Q,nXc for(int i=0;i<e.Item.Cells.Count-1;i++)
+]0/:\(B if(e.Item.ItemType==ListItemType.EditType)
FTcXjWBPF9 {
htOVt\+!34 e.Item.Cells.Attributes.Add("Width", "80px")
$TFWum9wO }
imZ"4HnPP }
7t|011< T49^ 26.对话框
5`{u! QE private static string ScriptBegin = "<script language=\"JavaScript\">";
C |P(,Xp private static string ScriptEnd = "</script>";
\' >d.'d $zJ!L public static void ConfirmMessageBox(string PageTarget,string Content)
!Er)|YP {
6yedl0@wa! string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
LmjGU[L,@ $mut v=IO ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
U_@Dn[/: 7o$S6Y;c4 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
rWN%Tai- ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
}PxPJ$o //Response.Write(strScript);
?d@zTAI }
""x>-j4 Frum@n 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
@P6*4W RpU.v
` 1.1 取当前年月日时分秒
]I(<hDuRp currentTime=System.DateTime.Now;
aU%QJ#j $DhW=(YM_a 1.2 取当前年
{@
Z%6%'9 int 年= DateTime.Now.Year;
*&$2us0%% b2UqN]{ 1.3 取当前月
JjnWv7W3$ int 月= DateTime.Now.Month;
:KBy(}V (dAE 1.4 取当前日
rz.`$ int 日= DateTime.Now.Day;
;!pJ%p0Sc uX~YDy 1.5 取当前时
l#rr--]; int 时= DateTime.Now.Hour;
!t|2&R$IQ MbyV_A`r_ 1.6 取当前分
zC>zkFT>H int 分= DateTime.Now.Minute;
m" c6^)U HKG8X=" 1.7 取当前秒
ant#bDb/ int 秒= DateTime.Now.Second;
d% Nx/DS) i} ?\K>BWq 1.8 取当前毫秒
tiTh7qYi9 int 毫秒= DateTime.Now.Millisecond;
0"DS>:Ntk |!*abc\`(` 28.自定义分页代码:
&f<Ltdw &-p!Lg&D 先定义变量 :
.'=-@W* public static int pageCount; //总页面数
\Vl)q>K_h public static int curPageIndex=1; //当前页面
17yg ~ "rR$2`v" 下一页:
BD&AtOj[, if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Fz^5cxmw {
V5S6?V\ DataGrid1.CurrentPageIndex += 1;
!b'!7p
curPageIndex+=1;
(]sk3
A }
R/kfbV-b m";?B1%x bind(); // DataGrid1数据绑定函数
'Jl3%axR C &&33L 上一页:
/[UuHU5*R if(DataGrid1.CurrentPageIndex >0)
#gRtCoew {
.MW/XnCYs4 DataGrid1.CurrentPageIndex += 1;
xHWD1> curPageIndex-=1;
[G7S }
b0yNc:
;-!O+c bind(); // DataGrid1数据绑定函数
g/`z.? K#a_7/!v/ 直接页面跳转:
!-s 6B int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
uEDvdd#V. l8RKwECdPn if(a<DataGrid1.PageCount)
I0(nRu<
{
o`7B@] this.DataGrid1.CurrentPageIndex=a;
`&g1`vg }
iS}~e{TP/ og8"#% bind();
+3o
4KB} ;#S4$wISw` 29.DataGrid使用:
-k}&{v -SKcS#IF 添加删除确认:
-|`E'b81 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
f4&k48Ds {
m,#Us foreach(DataGridItem di in this.DataGrid1.Items)
Y$N D {
nIv/B/>pZ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
wPH1g*U {
5c-'m?k ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
*","u;& }
Mx=L lC) }
:1e'22[=. }
6Y/TqI[
}7Y@u@R 样式交替:
Df=zrs[" ListItemType itemType = e.Item.ItemType;
A3zO&4f
]
`sJv? if (itemType == ListItemType.Item )
Wj\<
)cH] {
-0Q^k\X- e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
eLyaTOZadu e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
rI4N3d;C }
L+TM3*a* else if( itemType == ListItemType.AlternatingItem)
zq4)Uab* {
znu[i&\= e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
i`" L?3T e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
JsbH'l }
(Q ~<> ZIvP?:=! 添加一个编号列:
6D1tRo DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
{b90c'8?a DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
i-31Cxb p$bR M`R&s for(int i=0;i<dt.Rows.Count;i++)
;Ak 6*Sr {
6%2\bI.# dt.Rows["number"]=(i+1).ToString();
)}5f'TK }
?\Lf=[ {ZD'l5jU DataGrid1.DataSource=dt;
iM{UB=C DataGrid1.DataBind();
>;OwBzB k{B;J\`E; DataGrid1中添加一个CheckBox,页面中添加一个全选框
C}cYG private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
0O7VM)[ {
"uHU!)J#z foreach(DataGridItem thisitem in DataGrid1.Items)
rklK=W z {
b2HHoIT ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
C4
@"@kbr }
hYv;*] }
bB"q0{9G- qlIbnyP< 将当前页面中DataGrid1显示的数据全部删除
GXx/pBdy[4 foreach(DataGridItem thisitem in DataGrid1.Items)
}[8Nr+y {
vV 7L
:> if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
3M<T}> {
t/0h)mL} string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
i 79;;9M Del (strloginid); //删除函数
8WL*Pr1I }
o9L$B }
5sK1rDN :} 9Lb)Yp 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)
TrC :CL 7T-}oNaJA\ 在Application_Start中添加以下代码:
hNGD`"U Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
;mLbgiqQ J AppSettings["ConnStr"].ToString();
+5IC-=ZB _!C'oG6s? 31. 变量.ToString()
I85bzzZB R.B3
字符型转换 转为字符串
6qp'
_? 12345.ToString("n"); //生成 12,345.00
NlV,]
$L1T 12345.ToString("C"); //生成 ¥12,345.00
F~${L+^ 12345.ToString("e"); //生成 1.234500e+004
\)mV2r!% 12345.ToString("f4"); //生成 12345.0000
$09PZBF,i 12345.ToString("x"); //生成 3039 (16进制)
/J` ZO$ 12345.ToString("p"); //生成 1,234,500.00%
8lcB.M '*,P33h9<! 32、变量.Substring(参数1,参数2);
-p2 =?a f+j-M|A 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);
hp)k[|u; 3# r`e 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)
R=u!RcvR <SCRIPT language="javascript">
<zE~N~; <!--
C'Z6l^{> function gook(pws)
X6lUFko {
Z=\wI:TY1 frm.submit();
)k'4]=d
< }
@F,8M //-->
gg%9EJpP 'Xw>?[BB </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
sQ8_j <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
(&t8.7O <tr>
]@bu%_s" <td>
@-F[3`HeA <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
lL{1wCsl <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
O9(6 ?n <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
!K319 eE &fuJ% <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
CH3bpZv <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
h|S6LgB `SGI
Qrb </td>
($A0umW1%
%h-?ff[ </tr>
Q( \2(x\ _ZU.;0 </form>
=
7TK& Fi!XaO 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。
ss>p |g}~7*+i 下面是获取用户输入的登陆信息的代码:
#X?#v7i",D string name;
n.\|NR'v name=Request.QueryString["EmailName"];
?g\SF}2 7o5~J)qIC try
JK@"
& {
;'g.% int a=name.IndexOf("@",0,name.Length);
(D5.NB%@ f_user.Value=name.Substring(0,a);
_pS!sY~d f_domain.Value=name.Substring(a+1,name.Length-(a+1));
7y2-8eL f_pass.Value=Request.QueryString["Psw"];
L-v-KO6 }
c (Gl3^ Q!_@Am"h catch
o#ajBOJ {
`tb@x ^ Script.Alert("错误的邮箱!");
KJ&~z? X Server.Transfer("index.aspx");
KeiPo KhZi }