1. 打开新的窗口并传送参数:
h"')D CV4r31w 传送参数:
vpUS(ztvs response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
y?M99Vo4? 928szUo: 接收参数:
M#d_kDMw string a = Request.QueryString("id");
rj*4ZA? string b = Request.QueryString("id1");
!\8j[QS! G)?O!(_ 2.为按钮添加对话框
0QDm3V0n Button1.Attributes.Add("onclick","return confirm(’确认?’)");
0bpl3Fh.v button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Db=
iJ68 ZSMOq4Y 9 3.删除表格选定记录
%u43Pj int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
fdCsn: string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
.c+RFX@0 a$FELlMv 4.删除表格记录警告
G;MgrA#\ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Sg0 _ l( {
hsljJvs switch(e.Item.ItemType)
5Y)!q?#H {
fdzD6KZI case ListItemType.Item :
o;\0xuM@ case ListItemType.AlternatingItem :
2HMlh.R(C case ListItemType.EditItem:
?PSm)
~Oa TableCell myTableCell;
rBkf @ myTableCell = e.Item.Cells[14];
Q4Q*5> LinkButton myDeleteButton ;
OlFls 8#> myDeleteButton = (LinkButton)myTableCell.Controls[0];
kN;l@> myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
oHbEHS61 break;
'd1E~A default:
,l`q break;
Sz"J-3b^ }
TjlKy e0*', }
u/cL[_Q ^&DHBx"J 5.点击表格行链接另一页
{`~{%2ayq7 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ts%@1Y? {
W9Bl'e //点击表格打开
oyJ/Oe
{ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Cfb/f]*M e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
zpIl'/i }
vBQ5-00YY= 2,;+) 双击表格连接到另一页
+*d,non6v p H?VM&x 在itemDataBind事件中
?Gj$$IAe if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3b{8c8N^ {
@=b0>^\m string OrderItemID =e.item.cells[1].Text;
As1Er[> ...
#*
S0d1 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
)AqM?FE4R }
B.K"1o VE6T&fz` 双击表格打开新一页
z(>{"t<C if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
#v')iR"
{
{`KgyCW: string OrderItemID =e.item.cells[1].Text;
^Q4w<sX' ...
||}|=Sz e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
$ah, $B }
1?)<*[ @C7S^|eo ★特别注意:【?id=】 处不能为 【?id =】
m^O:k"+ ! 6.表格超连接列传递参数
<{YP=WYW <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
hn.9j" <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
AzN.vA)q ,u{d@U^)3@ 7.表格点击改变颜色
bu%@1:l if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
o]}b#U8S {
pt(GpbtWK e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
()(@Qcc this.style.color=’buttontext’;this.style.cursor=’default’;");
C1|e1 }
Q]w;o&eo %g0"Kj5 写在DataGrid的_ItemDataBound里
HHCsWe- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
c$?qN&X_K {
eP'e_E e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Nt&}T this.style.color=’buttontext’;this.style.cursor=’default’;");
R/b)h P~ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
FI*.2rdSR }
\"_;rJ{!aE RXt`y62yK } ~=53$+ 8.关于日期格式
<jw`"L[D ]BP/KCjAI< 日期格式设定
Vs8os+ DataFormatString="{0:yyyy-MM-dd}"
y*\ M7}]( X&^t 8 我觉得应该在itembound事件中
~0|~Fg e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
L`x:Y>C( Fmt5"3B 9.获取错误信息并到指定页面
_xAdvr' W @p|[7' 不要使用Response.Redirect,而应该使用Server.Transfer
KHcfP7 ^P:9iu)+]~ e.g
|vTirZP // in global.asax
.-`7Av+7 protected void Application_Error(Object sender, EventArgs e) {
K,|Gtaa~ if (Server.GetLastError() is HttpUnhandledException)
s3_i5,y Server.Transfer("MyErrorPage.aspx");
2[9hl@=% Trbgg //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
(Y,
@-V }
11X-X emw3cQ 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
/.$n>:XR RX=C)q2c 10.清空Cookie
!F;W#Gc Cookie.Expires=[DateTime];
}N2T/U Response.Cookies("UserName").Expires = 0
nrwb6wj A7+eWg{ 11.自定义异常处理
*u
3K8"XZ //自定义异常处理类
e@Z(z^V using System;
AvEJX0"\df using System.Diagnostics;
yXppu[= ^%#v
AS namespace MyAppException
/qo. Z {
\KLWOj% /// <summary>
<R*.T)Z 1 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
xlgN}M /// 自动将异常内容记录到Windows NT/2000的应用程序日志
&{x5 |$SD /// </summary>
H]UM2. public class AppException:System.ApplicationException
x~j% {
lx U}HM public AppException()
}v0oFY$u`H {
sUfH1w)0 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
k-Jj k3 }
<|hvH HP. j. public AppException(string message)
6;I&{9 {
pL.r
9T. LogEvent(message);
#2_phm' }
2ztP' bzk@6jR1 public AppException(string message,Exception innerException)
1xL2f&bG {
bH3-#mw5w LogEvent(message);
?%;7k'0" if (innerException != null)
mZ7.#R*} {
lmj73OB3 LogEvent(innerException.Message);
d@7
]=P: }
WkXa%OZ }
u{ JAC! ud'r?QDM //日志记录类
8.{5c6G using System;
NLoJmOi;L7 using System.Configuration;
iZgv
VH using System.Diagnostics;
BGLJ>zkq using System.IO;
)(PA:j using System.Text;
r$=iM:kERC using System.Threading;
P9G c)$6{p IZi1N namespace MyEventLog
35B0L.R {
fk#SD "iJ /// <summary>
2o6KVQ
/// 事件日志记录类,提供事件日志记录支持
^Ml)g=Fq /// <remarks>
1q}iUnR /// 定义了4个日志记录方法 (error, warning, info, trace)
tP"C>#LO /// </remarks>
zK k;&y|{ /// </summary>
Iy8Ehwejd public class ApplicationLog
tL 3]9qfj {
2e/ JFhA /// <summary>
%^2LTK(P /// 将错误信息记录到Win2000/NT事件日志中
^7Z)/c`" /// <param name="message">需要记录的文本信息</param>
jU@qQ@| /// </summary>
J6n@|L!yO public static void WriteError(String message)
(](:0H {
\a<qI WriteLog(TraceLevel.Error, message);
\gDf&I }
zp!{u{ v'`C16&^] /// <summary>
ou6yi;
l% /// 将警告信息记录到Win2000/NT事件日志中
@4sv(HyDY /// <param name="message">需要记录的文本信息</param>
l<(MC R* /// </summary>
3RXq/E public static void WriteWarning(String message)
oa}-=hG {
g9<*+fV
2$ WriteLog(TraceLevel.Warning, message);
U$# ?Lw }
9K@`n:Rw +Z/*=; /// <summary>
?E^~z- /// 将提示信息记录到Win2000/NT事件日志中
;R@zf1UYA /// <param name="message">需要记录的文本信息</param>
"n}J6 /// </summary>
)ra_`Qdcf public static void WriteInfo(String message)
Ldf< {
:+bQPzL WriteLog(TraceLevel.Info, message);
,gUSW }
&UEr4RK;I /// <summary>
g"`BNI]Qp /// 将跟踪信息记录到Win2000/NT事件日志中
$!G7u<`na /// <param name="message">需要记录的文本信息</param>
_o'ii
VDuD /// </summary>
-,uTAk0+@ public static void WriteTrace(String message)
=A$5~op% {
/v
U$62KA WriteLog(TraceLevel.Verbose, message);
O7g
?x3 }
<wW#Wnc ] P5P:_hr /// <summary>
~ZweP$l /// 格式化记录到事件日志的文本信息格式
]EnB`g(4; /// <param name="ex">需要格式化的异常对象</param>
CJ8X Ky
/// <param name="catchInfo">异常信息标题字符串.</param>
#@w8wCj /// <retvalue>
lr=? &>MXj /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
iyB02\d /// </retvalue>
Ckj2$c~ /// </summary>
g1@zk$ public static String FormatException(Exception ex, String catchInfo)
t:eZ`6o$T\ {
I+rHb<
P% StringBuilder strBuilder = new StringBuilder();
5@%$M$E if (catchInfo != String.Empty)
MT[V1I{LV {
IGV @tI strBuilder.Append(catchInfo).Append("\r\n");
?w#V<3= }
^vn8s~# strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
aqQ
YU5l4~ return strBuilder.ToString();
6y)TXp }
f7Y0L8D ZgP=maQk /// <summary>
=3]}87 /// 实际事件日志写入方法
^ r-F@$:. /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
}3E@]"<cVR /// <param name="messageText">要记录的文本.</param>
Oz'x5/%G /// </summary>
^HgQ"dD
< private static void WriteLog(TraceLevel level, String messageText)
, ;W6wj {
FIL?nkYEO try
(0 /,R {
3k.{gAZKh EventLogEntryType LogEntryType;
|L}zB, switch (level)
8UJK]_99I, {
q_bE?j{ case TraceLevel.Error:
VUpa^R LogEntryType = EventLogEntryType.Error;
P^&%T?Y6z break;
)h]~<
fU case TraceLevel.Warning:
9t:F![rg LogEntryType = EventLogEntryType.Warning;
#` Q3Z}C break;
;IZ*o<_ case TraceLevel.Info:
2&MIt(\- LogEntryType = EventLogEntryType.Information;
Y,w'Op break;
##+|zka!U case TraceLevel.Verbose:
IFcxyp LogEntryType = EventLogEntryType.SuccessAudit;
8n+&tBq1 break;
\3JZ=/ default:
m\o<a| LogEntryType = EventLogEntryType.SuccessAudit;
3=5K7F break;
K+ZJSfO6 }
S96H`kedZo mFfw*,M EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
o=}}hE\H //写入事件日志
BgRfy2: eventLog.WriteEntry(messageText, LogEntryType);
$&&mGD;?K {; #u~e(W }
JL[$B1 catch {} //忽略任何异常
m?'H7cFR }
J@sH(S } //class ApplicationLog
6_]-&&Nr }
#S)]`YW sL" h 12.Panel 横向滚动,纵向自动扩展
FJXYKpY[r <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
I
L]uw O#LG$Y
n* 13.回车转换成Tab
pRWEBd1U <script language="javascript" for="document" event="onkeydown">
&|yQwNA*a" if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
*j5>2-C & event.keyCode=9;
%:2EoXN" </script>
q.0Evr: !~Vo'ykwx' onkeydown="if(event.keyCode==13) event.keyCode=9"
i[_(0P+Da yMaU`z 14.DataGrid超级连接列
f++MH]I; DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
p)6!GdT 701a%Jq_2 15.DataGrid行随鼠标变色
1P4cBw% private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
).U\,@[A{ {
^j]"!:h if (e.Item.ItemType!=ListItemType.Header)
Geyy!sr`` {
g_X-.3=2K e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
1 aWzd[i e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
$J6 Pv
}
t/55tL }
!%MI9Ok V`P8oIOh] 16.模板列
KaVNRS <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
DJ_[{WAV <ITEMTEMPLATE>
wcr3ugvT <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
s%M# </ITEMTEMPLATE>
W*J_PL9j </ASP:TEMPLATECOLUMN>
5Ku=Xzvq
&
-r^Q <ASP:TEMPLATECOLUMN headertext="选中">
krqz;q-p~ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
]oT8H?%*Y <ITEMTEMPLATE>
Dzd[<Qln <ASP:CHECKBOX id="chkExport" runat="server" />
n/W@H Im# </ITEMTEMPLATE>
[|iWLPO1&k <EDITITEMTEMPLATE>
+85#`{ D <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
y7CC5S?
</EDITITEMTEMPLATE>
5k:SD7^b </ASP:TEMPLATECOLUMN>
CD^C}MB YcQ$nZAU 后台代码
I0iTa99K protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
LR:PSgy {
bn7"!6 //改变列的选定,实现全选或全不选。
9NF2a)&~ CheckBox chkExport ;
F/pq9 if( CheckAll.Checked)
/ILj}g' {
OlU')0Y foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
->Z9j(JU {
1Vf?Rw chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
v
C23 chkExport.Checked = true;
HQp \0NC] }
F}1h }
EPEWyGw else
8y:/!rRN {
;x<5F+b foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
mJxr"cwHl {
(vX)
<Z
! chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ATQw=w
3W chkExport.Checked = false;
m^k$Z0 }
FOPfob[ }
F
u> }
vYFtw L` &}'FC7} 17.数字格式化
$>JfLSyC 5)5$h]Nz> 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
uzoI*aqk-s <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Pj-.oS2dA G]]"Jc int i=123456;
n!aA< string s=i.ToString("###,###.00");
P"(VRc6x 45.<eWH$*( 18.日期格式化
!S.O~Kq ,(u-q]8
【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
]?<
wUd U
g: 显示为: 2004-8-11 19:44:28
?F6L, awXK9}. 我只想要:2004-8-11 】
+3yG8 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
L@5sY0 M }SfS\b{|~ 应该如何改?
A%[e<vj9 reQr=OAez 【格式化日期】
-F. c<@*E J&2J6Eq 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
\gsJ1@ Y/x>wNW 【日期的验证表达式】
zG0]!A a}e GB + A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
F50l->F2& ^((\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})))?$
vp32}zeD (ZPl~ZO B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
!>:SPt l ^\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]))$
_<E.?K$gbU T_)g/,5> 【大小写转换】
/Nc)bF%gX HttpUtility.HtmlEncode(string);
M(^_/1Z HttpUtility.HtmlDecode(string)
9 NGKh3V U{\9mt7b! 19.如何设定全局变量
)/t&a$[ (*M*muk Global.asax中
.5" s[(S lfAiW;giJ Application_Start()事件中
TU6(Q,Yi| mtg=v@~ 添加Application[属性名] = xxx;
$@D*/@ L6?~<#-m\M 就是你的全局变量
7|HIl= YQ$LU\: 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
m#$$xG kwXUjnp HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
$>8O2p7W >\!G43Q= 【ASPNETMENU】点击菜单项弹出新窗口
/Rf,Rjs (@ 1>G
^% 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
XU`ly3! <?xml version="1.0" encoding="GB2312"?>
&^UT <MenuData ImagesBaseURL="images/">
PNo9.-@G <MenuGroup>
^e]O-,UBk <MenuItem Label="内参信息" URL="Infomation.aspx" >
qeW.~B!B <MenuGroup ID="BBC">
EI9;J-c <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
x8xz33 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
<NEz{ 1Z ......
85f:!p 5DpvMhc_ 最好将你的aspnetmenu升级到1.2版
!kG |BJ$j naro 21.读取DataGrid控件TextBox值
}S$OE))u foreach(DataGrid dgi in yourDataGrid.Items)
YV8PybThc {
#bJp)&LO TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
.=)[S5.BVq tb.Text....
abAw#XQ8 }
BbM/Rd1tAm 1V wcJd 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
W
]$/qyc&J .Y|wG<E 〖思归〗
Hd\.,2a" <asp:TemplateColumn HeaderText="数量">
f}~=C2R1<! <ItemTemplate>
Q#X'.](1 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
<O1os"w onkeyup="javascript:DoCal()"
V|hwT^h />
cyLl,OA .VR~[aD <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
;PB_@Zg </ItemTemplate>
+1a3^A\ </asp:TemplateColumn>
M&jlUr&l ]h#QA; <asp:TemplateColumn HeaderText="单价">
T, +=ka$ <ItemTemplate>
&1f3e <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
aX~Jk >a0 onkeyup="javascript:DoCal()"
'`YZJ />
]WzeJ"r {3 ^9`|QF <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
-dWg1`; diNAT`|?# </ItemTemplate>
.p]rS
=# </asp:TemplateColumn>
Dpwqg3,
@tJ4^<`P{ <asp:TemplateColumn HeaderText="金额">
ek. @ 0c <ItemTemplate>
{+ Ibi{ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
0~EGrEt </ItemTemplate>
s3T7M:DM4 </asp:TemplateColumn><script language="javascript">
[K@(,/$ function DoCal()
c|d,:u# {
c^O&A\+; var e = event.srcElement;
@eZBwFe var row = e.parentNode.parentNode;
qX`Hi9ja var txts = row.all.tags("INPUT");
D66NF;7q if (!txts.length || txts.length < 3)
fJP *RVz return;
|VzXcV-"8) $bD`B'5 var q = txts[txts.length-3].value;
[mv!r-= var p = txts[txts.length-2].value;
c:52pYf+ c3Gy1#f:#2 if (isNaN(q) || isNaN(p))
pH2/."zE< return;
}a/z.&x]V tot~\S q = parseInt(q);
6uv~.-T<l p = parseFloat(p);
z(8G=C +*w}H
0Z txts[txts.length-1].value = (q * p).toFixed(2);
&]Uo>Gb3!q }
MD*dq </script>
gTgoS:M"_O ,2rfN"o h1"|$ C=|8C70[%N { =\Fc`74 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。
B;F~6i page_load
ahIDKvJ4 page.smartNavigation=true
ij|>hQC5i w[D]\>QHa 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 ?
TqL+^:cq private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
ZDAW>H< {
).IyjHY for(int i=0;i<e.Item.Cells.Count-1;i++)
vBJxhK- if(e.Item.ItemType==ListItemType.EditType)
Mo<q(_ZeRP {
c_CVZR? e.Item.Cells.Attributes.Add("Width", "80px")
Bu&9J(J1 }
_si 5z }
@tPr\F c{dabzLy 26.对话框
;BqCjS%`N private static string ScriptBegin = "<script language=\"JavaScript\">";
n((A:b private static string ScriptEnd = "</script>";
6D[]Jf,9 FF#+d~$z public static void ConfirmMessageBox(string PageTarget,string Content)
zH Z;Y^{+ {
n1b:Bv4"]# string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
lz::6} }3 _b%{ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
-ycdg'v <YtjE!2 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
F~qZIggD ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
J^ewG //Response.Write(strScript);
7H?xp_D }
4Ngp - j}B86oX 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
~,ozhj0f/ Rzh.zvxTp 1.1 取当前年月日时分秒
kx d*B
P currentTime=System.DateTime.Now;
\v6lcAL- <ShA_+Nd 1.2 取当前年
|0oaEd^*} int 年= DateTime.Now.Year;
$Hj;i/zD r#2Fk&Z9 1.3 取当前月
~@Q]@8Tv\ int 月= DateTime.Now.Month;
|dbKK\ X9 tK .1
* 1.4 取当前日
8Z_ 4%vUBg int 日= DateTime.Now.Day;
/gl8w-6 0^dYu/i5 1.5 取当前时
|6b~c{bt int 时= DateTime.Now.Hour;
}% q-9 zRD-[Z/- 1.6 取当前分
>$9}" int 分= DateTime.Now.Minute;
b}ya9tCl; A)3H`L 1.7 取当前秒
wBwTJCX int 秒= DateTime.Now.Second;
KK #E
qJ d23=WNn 1.8 取当前毫秒
KK3iui int 毫秒= DateTime.Now.Millisecond;
GF8wKx#J __Ksn^I 28.自定义分页代码:
"O0xh_Nr aA52Li 先定义变量 :
P_NF;v5v public static int pageCount; //总页面数
T}=^D= public static int curPageIndex=1; //当前页面
d)bsyZ;U A9 g%> 下一页:
k_,&
Q?GtU if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Fz,jnV9=j {
5\XD/Q M DataGrid1.CurrentPageIndex += 1;
>(ip-R curPageIndex+=1;
^d{5GK' }
Q8AAu&te7 +x}9a~QG# bind(); // DataGrid1数据绑定函数
P
"IR3= K)mQcB-"? 上一页:
h*C!b?:" if(DataGrid1.CurrentPageIndex >0)
Q2- lHn^L: {
sH;_U)ssH DataGrid1.CurrentPageIndex += 1;
7+hF1eoI curPageIndex-=1;
viUJ4Pn }
TUC)S&bC YfB)TK\W9/ bind(); // DataGrid1数据绑定函数
85H\v_[ u "jV#,, 直接页面跳转:
RU4X#gP4Vh int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
(@5`beEd (^y"'B if(a<DataGrid1.PageCount)
M1xsGa9h& {
`MuX/[q this.DataGrid1.CurrentPageIndex=a;
65qqs|&w;[ }
_Iav2=0Wi ^ex\S8j bind();
-ycYQ~R mc8Q2eQat} 29.DataGrid使用:
th[v"qD9G ty.$H24 添加删除确认:
ed#fDMXGQ% private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
A2:}bb~H {
g,EDE6`8 foreach(DataGridItem di in this.DataGrid1.Items)
O_a^|ln& {
{FI*oO1A~ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
@QVg5 {
S\N1qux{ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
4xmJQ>/ }
J|f29B-c }
c_*w<vJ-' }
-'d:~:1f yiC7)= 样式交替:
*$-X&.h[ ListItemType itemType = e.Item.ItemType;
=X7kADRq %eg +. if (itemType == ListItemType.Item )
IJGw<cB]+ {
M=uT8JB e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
b;UDgq8v e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
pN5kcvQ }
HS{Vohy > else if( itemType == ListItemType.AlternatingItem)
,GYQ,9: {
)^{}ov e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
G]f|? e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
8CZfz!2 }
v
f{{z%3T ?PMbbqa0 添加一个编号列:
+`k30-<P DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
3PU_STSix DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
/"?DOsJ. `hj,rF+4 for(int i=0;i<dt.Rows.Count;i++)
yj&GJuNb~ {
cZ:jht dt.Rows["number"]=(i+1).ToString();
(b f
IS }
}`<&l ^BA%]pe$I DataGrid1.DataSource=dt;
`/>kN% DataGrid1.DataBind();
Dc-K08c .5G`Y DataGrid1中添加一个CheckBox,页面中添加一个全选框
jjj<B'zt private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
;(/go\m
tB {
]5f;Kz) foreach(DataGridItem thisitem in DataGrid1.Items)
{V
QGfN {
f_S$CFa@ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
6Bjo9,L }
r9_ ON| }
CZ3oX#b >z\IO 将当前页面中DataGrid1显示的数据全部删除
Fk/I
(Q foreach(DataGridItem thisitem in DataGrid1.Items)
ZgxB7zl// {
apk,\L@sZ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
*{w0=J[15 {
fYk>LW string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
kPs? Del (strloginid); //删除函数
KM?4J6jH }
/#Aw7F$Ey }
~TRC-H uH9Vj<E$K 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
O0qG
6a [G|. 在Application_Start中添加以下代码:
r/!,((Z\ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
n]IF`kYQV AppSettings["ConnStr"].ToString();
}Kgi!$<aQx ~o^| >] 31. 变量.ToString()
H:~p5t CwX?%$S
字符型转换 转为字符串
G)?*BH 12345.ToString("n"); //生成 12,345.00
J.1c,@ 12345.ToString("C"); //生成 ¥12,345.00
R
xITMt 12345.ToString("e"); //生成 1.234500e+004
|"SZpx 12345.ToString("f4"); //生成 12345.0000
+QFKaS<sn 12345.ToString("x"); //生成 3039 (16进制)
!+PrgIp> 12345.ToString("p"); //生成 1,234,500.00%
ISpV={$Zd Jj
\nye+ 32、变量.Substring(参数1,参数2);
hUlRtt Zt3sU_ 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);
a|u#w~ ZTzec zXpQ 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)
9<_hb1' <SCRIPT language="javascript">
['}|#3*w <!--
ML12&E> function gook(pws)
|KYl'"5\ {
kzZgNv#G; frm.submit();
:.+w'SEn4M }
{:gx*4}q8 //-->
HqWWWCWal #AGO~#aK </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
S!8<|WO^t <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
uBbQJvL <tr>
.Od:#(aq <td>
:b44LXKCP <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
]%6%rq%9C <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
k={D!4kKz <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
b\}a
U7x <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
V|'@D#\ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
"mJo<i} l ubsL I </td>
#EzhtuHxn B46:LQ9[ </tr>
n>v1<^ aH6j,R% </form>
fS4foMI63) }h;Z_XF& 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。
G!I++M" {A0F/#M] 下面是获取用户输入的登陆信息的代码:
%Y ZCdS string name;
fxcE1=a name=Request.QueryString["EmailName"];
FvT4?7- *1dZs~_ try
W8 g13oAu" {
}'P|A int a=name.IndexOf("@",0,name.Length);
SSF:PTeG> f_user.Value=name.Substring(0,a);
i`sZP#h f_domain.Value=name.Substring(a+1,name.Length-(a+1));
h2zSOY{su f_pass.Value=Request.QueryString["Psw"];
LG,? ,%_s }
1/9*c *w N9/k`ZGC catch
F7=9> , {
@H?OHpJ"` Script.Alert("错误的邮箱!");
K` N$nOw Server.Transfer("index.aspx");
bW
W!,-|R }