1. 打开新的窗口并传送参数:
z6U'"T"a \'Ca1[y@B 传送参数:
b|-)p+ba response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
kS_#8I A@>/PB6n 接收参数:
Lan|(!aW string a = Request.QueryString("id");
Y0g]-B string b = Request.QueryString("id1");
FQ0&{ulb s/hgWW$ 2.为按钮添加对话框
bJn&Y Button1.Attributes.Add("onclick","return confirm(’确认?’)");
?Ojv<L-f.: button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
6MM\nIU)/ 2n3&uvf'TL 3.删除表格选定记录
C:No ^nH> int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
U3_ O}X+ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
R=.?el Z&>Cdgt* 4.删除表格记录警告
,j XK private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
\bT0\
(Js\ {
e'uC:O.u switch(e.Item.ItemType)
HTQTDbhV^ {
<O=0 ^V case ListItemType.Item :
BDf M4 case ListItemType.AlternatingItem :
Zq&'a_ case ListItemType.EditItem:
lha;| TableCell myTableCell;
$yi:0t8t myTableCell = e.Item.Cells[14];
/>E
ILPPb LinkButton myDeleteButton ;
Ag2~q myDeleteButton = (LinkButton)myTableCell.Controls[0];
4e\w C myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
nTsV>lQY, break;
K)l*$h&- default:
`lm '_~=`& break;
E)Qg^DHP/ }
HQ=pf > ^"4?Q }
o6 NmDv5 kz1Z K 5.点击表格行链接另一页
NR&a
er private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
M7Z&t'= {
S9[Up}` //点击表格打开
~FI} [6Dd if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
d72( g$F e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
9\Rk(dd }
K; hP0J *3RD\.jPX 双击表格连接到另一页
*S<I!7Q 4
}_}3. 在itemDataBind事件中
Yx. t+a- if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R(y`dQy<K {
8zeD%Uv string OrderItemID =e.item.cells[1].Text;
v(sS$2J|} ...
:+^`VLIf e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
/Yww G;1 }
?OO !M R. ryy 双击表格打开新一页
)"P.n-aF if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_6n za)OFH {
h9c7P@29 string OrderItemID =e.item.cells[1].Text;
m^0*k|9+G ...
T8T,G4Q e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
-xH3}K% }
3e;K5qSeo/ 8BS$6Pa ★特别注意:【?id=】 处不能为 【?id =】
\q-["W34 6.表格超连接列传递参数
|SJ%Myy <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
2j>C4Ck <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
odcrP\S $:DL+E-} 7.表格点击改变颜色
=>TXo@rVN if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
h*[sV {
,tBc%&.f e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
TSL/zTLDJ this.style.color=’buttontext’;this.style.cursor=’default’;");
\=W t{ }
<C*%N;F5R H:1F=$0I9 写在DataGrid的_ItemDataBound里
N~yGtnW if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
-cXVkH{ {
rPW9lG e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
q*J-ii this.style.color=’buttontext’;this.style.cursor=’default’;");
sD XJXJZ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
ol4!#4Y&{ }
IP1{gMG t9
id^ }<P%W~ 8.关于日期格式
zgpvI~Ck H&ZsMML/% 日期格式设定
@(tiPV DataFormatString="{0:yyyy-MM-dd}"
QF_K^( +7)/SQM5 我觉得应该在itembound事件中
;{>-K8=>$ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
U
&W}c^# F>3fP 9.获取错误信息并到指定页面
j\@|oW0 $0E_4#kwB 不要使用Response.Redirect,而应该使用Server.Transfer
+@oo8io K*
0]*am|v e.g
?K?v64[ // in global.asax
G|]39/OO3{ protected void Application_Error(Object sender, EventArgs e) {
[@t 6,g if (Server.GetLastError() is HttpUnhandledException)
T/l2B1 Server.Transfer("MyErrorPage.aspx");
.l&<-l;UQ 8|#p D4e //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
X=OJgyO/ }
R_DZJV O *(@[E Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
J$<g"z3 W%7m3/d 10.清空Cookie
QI2T G, Cookie.Expires=[DateTime];
#
OQ(oyT Response.Cookies("UserName").Expires = 0
7_#i,|]58 ?l<u %o 11.自定义异常处理
>;@hA*< //自定义异常处理类
;yH1vX using System;
[P_1a`b using System.Diagnostics;
, !23#Bz7 namespace MyAppException
]LhNP}c {
nMHs5'_y /// <summary>
3$`qy|=zO /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Ot}
E /// 自动将异常内容记录到Windows NT/2000的应用程序日志
GzUgzj|BN~ /// </summary>
/\9X0a2h|E public class AppException:System.ApplicationException
Ge;plD-f {
:xT=uE.I public AppException()
+H
L]t'UEg {
Z*|qbu) if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
^CwzAB }
d98ZC+q S|%f<zAtJ public AppException(string message)
[sY>ac {
[Hww3+~+ LogEvent(message);
s^$zOp9 }
Mc6?]wDB] `_'I 9,.a public AppException(string message,Exception innerException)
~WJEH# {
i- E~ZfJ LogEvent(message);
pFg9-xd% if (innerException != null)
+'x`rk {
of^N4 LogEvent(innerException.Message);
d\V\,%&. }
/tf}8d }
eRa1eRgP 0%^m //日志记录类
Rd5r~iT using System;
$vdGkz@6 using System.Configuration;
j%KLp4J/e using System.Diagnostics;
w7"Z@$fs using System.IO;
A|YqBl using System.Text;
Px}#{fkS using System.Threading;
9 frS!AQ t HPC namespace MyEventLog
xS,#TU;)Ol {
]v 6u /// <summary>
'wX'}3_/g /// 事件日志记录类,提供事件日志记录支持
Au"[2cG /// <remarks>
81/Bn! /// 定义了4个日志记录方法 (error, warning, info, trace)
$_l@k= /// </remarks>
!+T+BFw. /// </summary>
XWbe|K!e public class ApplicationLog
fdCsn: {
N.u)Mbe /// <summary>
-[x^z5Ee` /// 将错误信息记录到Win2000/NT事件日志中
hsljJvs /// <param name="message">需要记录的文本信息</param>
OXzJ%&h /// </summary>
bI=\n)sEz public static void WriteError(String message)
Srz.-,2 PF {
?jBna
~ WriteLog(TraceLevel.Error, message);
`yHV10 }
*Rj>// A j+J)S1 /// <summary>
s%J|r{F6 /// 将警告信息记录到Win2000/NT事件日志中
e0*', /// <param name="message">需要记录的文本信息</param>
zie])_8|h /// </summary>
NwuME/C7# public static void WriteWarning(String message)
S0g5Ym
ia {
M\8FjJ>9 WriteLog(TraceLevel.Warning, message);
."PR Z, }
3U@p 2:/' /// <summary>
yGH'|` /// 将提示信息记录到Win2000/NT事件日志中
W==HV0n /// <param name="message">需要记录的文本信息</param>
]{nFB3vtB /// </summary>
7vcYI#(2
Y public static void WriteInfo(String message)
P~i^V;g {
OsAXHjX} WriteLog(TraceLevel.Info, message);
#v')iR"
}
)"jG)c^1* /// <summary>
lVXgp'!#j /// 将跟踪信息记录到Win2000/NT事件日志中
s+tS4E? /// <param name="message">需要记录的文本信息</param>
7J,W#Ql)5 /// </summary>
]<4Yor}t{; public static void WriteTrace(String message)
0d:t$2~C {
bu%@1:l WriteLog(TraceLevel.Verbose, message);
nV
McHN }
Q{H88g^=J _1dG!!L_ /// <summary>
l?a(= /// 格式化记录到事件日志的文本信息格式
-t?S:9[w /// <param name="ex">需要格式化的异常对象</param>
p2!x8`IB* /// <param name="catchInfo">异常信息标题字符串.</param>
I4
Tc&b /// <retvalue>
Z,,Da|edH /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
NV*aHci /// </retvalue>
t_3)} /// </summary>
GfJm&'U& public static String FormatException(Exception ex, String catchInfo)
)(\5Wk9( {
gUL`)t\} * StringBuilder strBuilder = new StringBuilder();
Uv[:Aj if (catchInfo != String.Empty)
p4W->AVv$ {
68Wm=j.m strBuilder.Append(catchInfo).Append("\r\n");
5xLuu KG }
T
{(6*^g<B strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
(Y,
@-V return strBuilder.ToString();
2*Z~JM }
=NF},j" {^"c>'R /// <summary>
]! [ewO@ /// 实际事件日志写入方法
f&8&UL>e` /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
e@Z(z^V /// <param name="messageText">要记录的文本.</param>
sTeL4g|%{ /// </summary>
`8xe2=Ub private static void WriteLog(TraceLevel level, String messageText)
/_x?PiL {
=
Yh>5A try
=o{zw+|% % {
x~j% EventLogEntryType LogEntryType;
d|j3E switch (level)
8cfxKUS {
[*vk& case TraceLevel.Error:
D>?%p"e LogEntryType = EventLogEntryType.Error;
9!_`HE+(XJ break;
Nypa,_9} case TraceLevel.Warning:
+S^Uw'L$=T LogEntryType = EventLogEntryType.Warning;
-g;iMqh# break;
o8
q@rwu3 case TraceLevel.Info:
yew9bn0a= LogEntryType = EventLogEntryType.Information;
Gow_a' break;
IA$:r@QNx8 case TraceLevel.Verbose:
=6ZZ/+6b LogEntryType = EventLogEntryType.SuccessAudit;
Ga.a"\F.V break;
EtcAU}9 default:
-?2ThvT LogEntryType = EventLogEntryType.SuccessAudit;
mAk)9`f/ break;
y*vs}G'W }
z1T.\mzfX p8%x@%k EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
fg*IHha //写入事件日志
jGb+bN5U7 eventLog.WriteEntry(messageText, LogEntryType);
_?Rprmjx} Jq<&`6hn }
lyF~E catch {} //忽略任何异常
Zh{Pzyp }
>y(;k|-$ } //class ApplicationLog
?\(E+6tpP }
[Sg1\UTl zy 12.Panel 横向滚动,纵向自动扩展
+]Po!bN@@ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
U$# ?Lw U;`N:~|p# 13.回车转换成Tab
;R@zf1UYA <script language="javascript" for="document" event="onkeydown">
Owo2DsT t if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
yS@c2I602 event.keyCode=9;
&UEr4RK;I </script>
;Lu%v%BM 8jMw7ti onkeydown="if(event.keyCode==13) event.keyCode=9"
qTj7mUk ;8'hvc3i$ 14.DataGrid超级连接列
=XzrmPu DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
mHM38T9C% #@w8wCj 15.DataGrid行随鼠标变色
$k,Z)2 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
x{*g^f {
O6pswMhAc if (e.Item.ItemType!=ListItemType.Header)
_<6
^r {
?w#V<3= e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
AME3hA e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
4c_TrNwP }
lG I1LUo }
Ynl^Z MCZTeYnx 16.模板列
ai)S:2 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
[a:yKJ[ <ITEMTEMPLATE>
LBq~?Q.e <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Dq/_^a/1 </ITEMTEMPLATE>
v8Vw.Ce`f </ASP:TEMPLATECOLUMN>
12`q9Io" eee77.@y-p <ASP:TEMPLATECOLUMN headertext="选中">
^I4'7]n- <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
48hu=,)81* <ITEMTEMPLATE>
[=7=zV;}4 <ASP:CHECKBOX id="chkExport" runat="server" />
IFcxyp </ITEMTEMPLATE>
\3JZ=/ <EDITITEMTEMPLATE>
%X7R_>.
<ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
S96H`kedZo </EDITITEMTEMPLATE>
YT'G#U1x~ </ASP:TEMPLATECOLUMN>
jd8`D6|Z Veo*-sl 后台代码
Aslh}'$}- protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
-sO[,
{
4Vl_vTz{i //改变列的选定,实现全选或全不选。
nr7#}pzo CheckBox chkExport ;
'#RzX8|v< if( CheckAll.Checked)
I,TJV)B {
~QgyhJM_h= foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
+Ysm6n ' {
!~Vo'ykwx' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
M8dv
y!D chkExport.Checked = true;
-FQ! }
iO1ir+B\ }
j5Kw0Wy7 else
~puXZCatN {
Loz5[L foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
~tK4C | {
Hdvtgss! chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
\ #<.&`8B chkExport.Checked = false;
EQe !&; }
=og>& K }
KaVNRS }
g)0>J
~o{GQ> 17.数字格式化
F.{{gpI $HgBzZ7A2 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
x}\x3U <%#Container.DataItem("price","{0:¥#,##0.00}")%>
O[}{$NXw zs/4tNXw int i=123456;
`+DH@ce string s=i.ToString("###,###.00");
h?_Cv*0q ] V|hDU=t 18.日期格式化
aQ!QrTua- }9:(l 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
CD^C}MB /{1s U}k- 显示为: 2004-8-11 19:44:28
h/oRWl0r 9NF2a)&~ 我只想要:2004-8-11 】
?^Gi;d5 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
#jrtsv] s!k7Wwj 应该如何改?
uu7 ?,WT YnR8mVo5Q 【格式化日期】
LZ#=Ks NS<C"O 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Vz.G!*>Dg S?b^g'5m 【日期的验证表达式】
4^r4O# } 6 ,m2u A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
}K.Rv(m ^((\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})))?$
is~"yE7 6a*?m{ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
dU}Cb?]7s ^\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]))$
$-D}y: ^fiJxU 【大小写转换】
GLO%>& HttpUtility.HtmlEncode(string);
!S.O~Kq HttpUtility.HtmlDecode(string)
,(u-q]8
]?<
wUd 19.如何设定全局变量
l4s*+H$vd? jKh:}yl4 Global.asax中
}_/]f!] xzi_u.iOP Application_Start()事件中
nxWm @4t_cxmD 添加Application[属性名] = xxx;
7vo8lnQ{ 4,,DA2^! 就是你的全局变量
%p48=|+ H(hE;|q/ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
|,bP`Z &\>=4)HB; HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
{MRXKnm;e zRU9Q2Y 【ASPNETMENU】点击菜单项弹出新窗口
d*YVk{s7V f+cN'jH
E 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
3"BSP3/[l <?xml version="1.0" encoding="GB2312"?>
~'V&[]nh8 <MenuData ImagesBaseURL="images/">
XF&_**0n <MenuGroup>
`@q\R-` <MenuItem Label="内参信息" URL="Infomation.aspx" >
^B_SAZ&%% <MenuGroup ID="BBC">
kYhV1I <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
U{\9mt7b! <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
)/t&a$[ ......
(*M*muk .5" s[(S 最好将你的aspnetmenu升级到1.2版
.FN;3HU |oWl9j]Z 21.读取DataGrid控件TextBox值
uTdx`>M,O foreach(DataGrid dgi in yourDataGrid.Items)
pCf9"LLer {
7lx"
X0w*m TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
yV~TfTJ tb.Text....
i]#"@xQ }
/Rf,Rjs (@ 1>G
^% 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
CnpQdI lak,lDt] 〖思归〗
%[4u #G` <asp:TemplateColumn HeaderText="数量">
>akC <ItemTemplate>
*rgF[
: <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
`;=-71Gn~ onkeyup="javascript:DoCal()"
p[O\}MAd# />
86pA+c+U ~<.{z]*O <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
/-knqv </ItemTemplate>
6HguZ_jC </asp:TemplateColumn>
$bDaZGy }[{9u#@# <asp:TemplateColumn HeaderText="单价">
O14\_eAu6 <ItemTemplate>
A<]
$[2qPj <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
MK- +[K onkeyup="javascript:DoCal()"
!|W.YbS />
eslvg#Q W
]$/qyc&J <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
.Y|wG<E YQ@2p?4m </ItemTemplate>
p"FWAC! </asp:TemplateColumn>
EKD#s,(V*X !F:mDZeY <asp:TemplateColumn HeaderText="金额">
A^E 6)A= <ItemTemplate>
S
n<X <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
m68>` </ItemTemplate>
a/v]E]=qI </asp:TemplateColumn><script language="javascript">
E/hT/BOPK function DoCal()
i)] f0F {
P(s:+ var e = event.srcElement;
[dR#!"6t var row = e.parentNode.parentNode;
id588Y78 var txts = row.all.tags("INPUT");
]%ewxF if (!txts.length || txts.length < 3)
@M OaXe return;
0~z`>#W, d-C%R9 var q = txts[txts.length-3].value;
$|g
; var p = txts[txts.length-2].value;
HOx+umjxW {{Qbu}/@ if (isNaN(q) || isNaN(p))
`T+w5ONn return;
qw*) R#= ?yxQs=&-q~ q = parseInt(q);
)@p?4XsT4J p = parseFloat(p);
h56Kmxxk q9H\ $ txts[txts.length-1].value = (q * p).toFixed(2);
8f<y~L_(` }
1 +s;a]-C </script>
!MrQ-B ( eIEL';N6 W':b6}? ,>01Cs=t8 x#5vdBf 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。
h-//v~V) page_load
@`#x:p: page.smartNavigation=true
hj&~Dn( z`YC3_d 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 ?
5*f54g"' private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
c3Gy1#f:#2 {
pH2/."zE< for(int i=0;i<e.Item.Cells.Count-1;i++)
(t\U5-w if(e.Item.ItemType==ListItemType.EditType)
IRdR3X56 {
6O/c%1VHA3 e.Item.Cells.Attributes.Add("Width", "80px")
)Fp$
*]| }
e/_QS}OA }
pGfGGY>i% #?k</~s6M` 26.对话框
|d z2Drc private static string ScriptBegin = "<script language=\"JavaScript\">";
i6A9|G$H private static string ScriptEnd = "</script>";
AN6Q~%, :\I*_00! public static void ConfirmMessageBox(string PageTarget,string Content)
9=j)g {
L,.AY?)+7 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
_g
fmo [Y$TVwFwX ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
TqL+^:cq ZDAW>H< Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
).IyjHY ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
g1?9ge1 //Response.Write(strScript);
*`|xa@1v` }
Be6+YM5Cl xkw=os 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
u}%6=V p!8phS#iP 1.1 取当前年月日时分秒
Xtfs)" currentTime=System.DateTime.Now;
+Z2XP76(4A \gkhSLq 1.2 取当前年
x@QNMK.7 int 年= DateTime.Now.Year;
'e*w8h Cl9rJ oT 1.3 取当前月
%LzARTX int 月= DateTime.Now.Month;
w~'}uh }3 _b%{ 1.4 取当前日
-ycdg'v int 日= DateTime.Now.Day;
<YtjE!2 F~qZIggD 1.5 取当前时
Ll-QhcC$ int 时= DateTime.Now.Hour;
t$~'$kM)< /:Gy . 1.6 取当前分
'e' p`* int 分= DateTime.Now.Minute;
7i{(,: _{;_wwz 1.7 取当前秒
9PACXW0 int 秒= DateTime.Now.Second;
hd i0YL lZ7
$DGe 1.8 取当前毫秒
x{8h3.ZQ, int 毫秒= DateTime.Now.Millisecond;
0MroHFh9` "oNl!<ep 28.自定义分页代码:
UKZ)Boo z6l'v~\ 先定义变量 :
8PH4v\tJEK public static int pageCount; //总页面数
mNacLkh[ public static int curPageIndex=1; //当前页面
`Fo/RZOW AoOA.t6RVo 下一页:
d@1^U9sf if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
zRD-[Z/- {
>$9}" DataGrid1.CurrentPageIndex += 1;
b}ya9tCl; curPageIndex+=1;
>p@b$po }
?>7-a~*A@ a*LfT<hmU3 bind(); // DataGrid1数据绑定函数
ppNMXbXR NN=^4Xpc: 上一页:
23i2yT if(DataGrid1.CurrentPageIndex >0)
G`kz 0Vk {
"f_qG2A{ DataGrid1.CurrentPageIndex += 1;
K)wWqC. curPageIndex-=1;
TEY~E*=}$ }
hmd3W`8D (AtyM?* bind(); // DataGrid1数据绑定函数
c`p'5qz <$zhNu~ 直接页面跳转:
M2|h.+[Q int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
E/a2b(,Tg pc0{ if(a<DataGrid1.PageCount)
^i Jyo&I {
1=z[U|&R this.DataGrid1.CurrentPageIndex=a;
%b<W]HwA }
H!Q72tyo dd<l;4( bind();
z)U7 Dqii60 29.DataGrid使用:
|u^S}"@3sU 5|*`} ;/y 添加删除确认:
N'9T*&o+ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
z8awND {
aK
-x{ foreach(DataGridItem di in this.DataGrid1.Items)
M @-:iP {
u "jV#,, if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
RU4X#gP4Vh {
<>9!oOa ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
1u7D:h># }
?YS>_MN }
tx>7?e8E }
E5)0YYjHZ 9l&q} 样式交替:
gee~>l ListItemType itemType = e.Item.ItemType;
m<-!~ ew uf#h~;B if (itemType == ListItemType.Item )
)]FXUz|; {
&`v?oN9$ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
l7qW)<r e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
MkoK(m{7 }
r>peKo[X( else if( itemType == ListItemType.AlternatingItem)
'WE"$1 {
~[t#$2d} e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
#8"oqqYi e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
A|
A#|D }
-Q@f), i$<['DY 添加一个编号列:
5X)M)"rq;V DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
s.
A}ydtt DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
EUuSN| a <JWU@A-.y for(int i=0;i<dt.Rows.Count;i++)
`HQ)][ {
4BCe;Q^6 dt.Rows["number"]=(i+1).ToString();
^g vTc+| }
Uc {m##! ^wd@mWxx DataGrid1.DataSource=dt;
[M~tH *4" DataGrid1.DataBind();
zG6l8%q'UE !9_(y~g{N DataGrid1中添加一个CheckBox,页面中添加一个全选框
ftxL-7y% private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
4-x<^
ev= {
MVzuE} foreach(DataGridItem thisitem in DataGrid1.Items)
f1ANziC;i {
GT<oYrjU ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
`_OrBu[ }
8A3/@Z;0S }
#\lvzMjCC u7hu8U= 将当前页面中DataGrid1显示的数据全部删除
M@.S Q@E foreach(DataGridItem thisitem in DataGrid1.Items)
} jJKE {
"UMaZgI if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Q*>)W{H&) {
x5Lbe5/P string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
*7h~0%WR Del (strloginid); //删除函数
b+|Jw\k }
@}d;-m~ }
MZ,1 mR b`#YJpA 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)
,7&\jET5^0 js81@WX!c 在Application_Start中添加以下代码:
H
u;"TG Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
G9Uc
}z AppSettings["ConnStr"].ToString();
1 6zxPSTr} BeVDTk: 31. 变量.ToString()
<C'_:&M kPs? 字符型转换 转为字符串
KM?4J6jH 12345.ToString("n"); //生成 12,345.00
/#Aw7F$Ey 12345.ToString("C"); //生成 ¥12,345.00
~TRC-H 12345.ToString("e"); //生成 1.234500e+004
uH9Vj<E$K 12345.ToString("f4"); //生成 12345.0000
XY'8oU`]{ 12345.ToString("x"); //生成 3039 (16进制)
R<&Euph 12345.ToString("p"); //生成 1,234,500.00%
0AQ4:KV(Y "?3=FBp& 32、变量.Substring(参数1,参数2);
dRJ
](Gw 'OtTq8G 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);
Ol }5ry V@`b7GM 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)
j;-Wf6h{ <SCRIPT language="javascript">
lrv-[}} <!--
^}-l["u` function gook(pws)
cRnDAn#42 {
KNAvLcg frm.submit();
ISpV={$Zd }
y5j:+2|I //-->
:.*Q@X}-I CXrOb+ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
eA!Z7 ' <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
.A< HM} <tr>
~][~aEat;V <td>
03fOm <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
/(BS<A <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
jum"T\ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
SF:98#pg `Ow]@flLI <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
VAL?
Z <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
ZwMVFC-d 6LDZ|K@ </td>
a 20w.6F hH1Q:}a </tr>
_s^tL2Pc h.vy SwF"j </form>
uy<3B>3~. utZI'5i 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
MT>sRx# V|'@D#\ 下面是获取用户输入的登陆信息的代码:
"mJo<i} string name;
7#E/Q~]'6 name=Request.QueryString["EmailName"];
%]LoR$|Y L>14=Pr^( try
Z2]0brV {
Imhk U% int a=name.IndexOf("@",0,name.Length);
|M7C=z=' f_user.Value=name.Substring(0,a);
cj2Smgw&> f_domain.Value=name.Substring(a+1,name.Length-(a+1));
]eGa_Ld f_pass.Value=Request.QueryString["Psw"];
8UjIC4' }
CB#2XS>V %>*?uO`z[ catch
UJ}}H}{ {
R@3HlGuRKw Script.Alert("错误的邮箱!");
Y5GN7. Server.Transfer("index.aspx");
@o0HDS }