1. 打开新的窗口并传送参数:
)]WWx-Uf' 9zSHn.y 传送参数:
28FC@&'H response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
DP\s-JpI[ ?T=]?[ 接收参数:
!+T\}1f7d string a = Request.QueryString("id");
KwK[)Cvv string b = Request.QueryString("id1");
x{{QS$6v !$Aijd s5 2.为按钮添加对话框
ie|I*;# Button1.Attributes.Add("onclick","return confirm(’确认?’)");
QR4rQu button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Atl`J.;G :W]?6= 3.删除表格选定记录
aEU[k>& int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
e9e%8hL string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
KiW4>@tY e~R;
2bk 4.删除表格记录警告
.{sKEVK private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
<"A|Xv'Q {
^?PU:eS switch(e.Item.ItemType)
Z0&^U#] {
S^q)DuF5! case ListItemType.Item :
N<lejZ}!q case ListItemType.AlternatingItem :
w1HE^
/ case ListItemType.EditItem:
rt">xVl TableCell myTableCell;
7pMl:\ myTableCell = e.Item.Cells[14];
h/~:}Bof LinkButton myDeleteButton ;
r>73IpJI myDeleteButton = (LinkButton)myTableCell.Controls[0];
#p&&w1 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
!Ic;;< break;
4;"^1 $ default:
(ii6w d<* break;
x,$N!X }
J-*&& W}m-5L }
#vrxhMo qu]ch&"?U 5.点击表格行链接另一页
OS8 ^mC private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
I)#=#eI*: {
~3byAL //点击表格打开
<@i.~EL if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
v{{Cj83S+ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
L%](C }
u8ofgcFYE ^0"^Xk* 双击表格连接到另一页
Ow7NOhw RC7|@a 在itemDataBind事件中
+|}R^x`z if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:g)0-gN {
g8^\| string OrderItemID =e.item.cells[1].Text;
W>C!V ...
v*Tliw`-U e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
hsV+?#I }
v|5:;,I is=sV:j: 双击表格打开新一页
+mRFHZG if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
FR~YO|4? {
?^Sk17G string OrderItemID =e.item.cells[1].Text;
WrK!]17or ...
*M5: \+ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
NGYliP,.6 }
,w~0U rM<lPMr1* ★特别注意:【?id=】 处不能为 【?id =】
Bvzu{B% 6.表格超连接列传递参数
-H1mKZDPP <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
2p\CCzw <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
~wnTl[: 6OYXcPW' 7.表格点击改变颜色
o(xRq;i if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
#_yQv? J {
rfqw/o e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
xdWfrm$;ZA this.style.color=’buttontext’;this.style.cursor=’default’;");
(Wkli:Lq }
|1^>n,C _^4\z*x 写在DataGrid的_ItemDataBound里
>Gbj1>C} if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
n^|;J*rD {
lB!`,>"c e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
eUQ., mP this.style.color=’buttontext’;this.style.cursor=’default’;");
-r/G)Rs e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
<>aBmJs4 }
5 e:Urv77 )6|7L)Dk B{|g+c% 8.关于日期格式
/CpUq;^ 3/IQ]8g" 日期格式设定
gLv|Hu7 DataFormatString="{0:yyyy-MM-dd}"
`abQlBb* j]7|5mC78 我觉得应该在itembound事件中
{Z[yY6Nu e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
c>fLSf F-}-/N]o
q 9.获取错误信息并到指定页面
:T~Aa(%( /UeLf$%ZW 不要使用Response.Redirect,而应该使用Server.Transfer
f.V;Hl, qh
Ezv~ e.g
A^7!:^%K // in global.asax
YArNJ5z= protected void Application_Error(Object sender, EventArgs e) {
1|Y(XB^os( if (Server.GetLastError() is HttpUnhandledException)
8f>=.O*) Server.Transfer("MyErrorPage.aspx");
8+vZ9!7 L'{;V\d //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
@C)O[&Sk }
lhg3
}dW T!$7:% D Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
E_&Hje|J_[ ".L+gn}u- 10.清空Cookie
9fD4xkRS Cookie.Expires=[DateTime];
)/k0*:OMyO Response.Cookies("UserName").Expires = 0
:PtpIVAosg QFoZv+| 11.自定义异常处理
K%LDOVE8e //自定义异常处理类
H e]1<tx using System;
E/cA6*E[.< using System.Diagnostics;
~`2w
ul }GvoQ#N namespace MyAppException
G%)?jg@EA {
U
-~%-gFC /// <summary>
GypZ!)1 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
-oq!zi4: /// 自动将异常内容记录到Windows NT/2000的应用程序日志
4mOw[}@A /// </summary>
PpMZ-f@ public class AppException:System.ApplicationException
'|^LNAx {
K#M
h public AppException()
g!n1]- 1 {
p>v,b&06 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
U`q[5U" }
^B@4 w\t k*|dX.C: public AppException(string message)
2rHw5Wn]~ {
Wu)ATs} LogEvent(message);
iU^ 4a }
O;M_?^'W #oMbE<//" public AppException(string message,Exception innerException)
992;~lBu {
aKs!*uo0H LogEvent(message);
':#?YQ}2 if (innerException != null)
%sC,;^wla' {
bGRI^
[8#+ LogEvent(innerException.Message);
d$ Mk }
ezTu1-m }
S-Va_t$ UwtOlV:G{ //日志记录类
Bp\io$(% using System;
C>cc!+n%H using System.Configuration;
g$VcT\X using System.Diagnostics;
o^~6RZ using System.IO;
Gb61X6 using System.Text;
O%9Cq}* using System.Threading;
'R*gSqx~ /Nq!^= namespace MyEventLog
T(+F6d=1 {
V5rnI\:7 /// <summary>
^7q=E@[e /// 事件日志记录类,提供事件日志记录支持
$gDp-7 /// <remarks>
n ! qm /// 定义了4个日志记录方法 (error, warning, info, trace)
$N;!. 5lX3 /// </remarks>
&n<jpMB /// </summary>
T~$ePVk>L public class ApplicationLog
V2es.I {
80$P35Q" /// <summary>
]Oc
:x /// 将错误信息记录到Win2000/NT事件日志中
iM2
EEC /// <param name="message">需要记录的文本信息</param>
fEs957$ /// </summary>
MSeO#X public static void WriteError(String message)
wI>JOV7 {
L:YsAv WriteLog(TraceLevel.Error, message);
1hZM)) }
cYx=8~- ZJ"*A+IJx[ /// <summary>
fLI@;*hL0 /// 将警告信息记录到Win2000/NT事件日志中
xy mK| /// <param name="message">需要记录的文本信息</param>
qU8UKI P /// </summary>
VR?7{3 public static void WriteWarning(String message)
<6<uO\B\ {
w:FH2* WriteLog(TraceLevel.Warning, message);
jbIWdHZ/US }
Z.6`O1OY}? wdBytH6r. /// <summary>
|UnTd$m /// 将提示信息记录到Win2000/NT事件日志中
?f']*pD8 /// <param name="message">需要记录的文本信息</param>
\!ESmxSa; /// </summary>
y NV$IN% public static void WriteInfo(String message)
UQ|0Aqwq {
PL~k
`L WriteLog(TraceLevel.Info, message);
_WK+BxH }
QZ{&7mc> /// <summary>
NJqALm!( /// 将跟踪信息记录到Win2000/NT事件日志中
hPr /// <param name="message">需要记录的文本信息</param>
#!#V!^ o /// </summary>
d\;M F public static void WriteTrace(String message)
dMGu9k~u {
N["c*=x WriteLog(TraceLevel.Verbose, message);
ZfT%EPoZ: }
5YS`v#+ vlIdi@V /// <summary>
^'EEry /// 格式化记录到事件日志的文本信息格式
:^%soEi /// <param name="ex">需要格式化的异常对象</param>
V EY !0PIj /// <param name="catchInfo">异常信息标题字符串.</param>
@mP@~ /// <retvalue>
>o.u, /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
7vr)JT= /// </retvalue>
TeqFy( Dr /// </summary>
RB/[(4 public static String FormatException(Exception ex, String catchInfo)
(i *1M {
?[!.TU?4N StringBuilder strBuilder = new StringBuilder();
bG^eP:r if (catchInfo != String.Empty)
Jr17pu(t {
/oiAAB27 strBuilder.Append(catchInfo).Append("\r\n");
JS(KCY 9 }
YD@V2gK strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
&tMvs<q, return strBuilder.ToString();
@1n0<V/ }
VPN@q<BV @2$PU{dH /// <summary>
u"T5m /// 实际事件日志写入方法
ls*^3^O /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
zN5i}U=|r /// <param name="messageText">要记录的文本.</param>
e}[$ = /// </summary>
nt;A7pI` private static void WriteLog(TraceLevel level, String messageText)
}QJE9;<e {
Slv}6at5 try
AL|fL {
U^pe/11)H EventLogEntryType LogEntryType;
1MB switch (level)
Fi5,y;]R {
$,i:#KT` case TraceLevel.Error:
Gw+z8^|C&} LogEntryType = EventLogEntryType.Error;
EVq<gGy break;
?rBj{]= case TraceLevel.Warning:
=Rb, `% LogEntryType = EventLogEntryType.Warning;
-^#Ix;% break;
M8juab%y case TraceLevel.Info:
rcI(6P<* LogEntryType = EventLogEntryType.Information;
g<,v2A break;
Eq.c;3 case TraceLevel.Verbose:
Tr@`ozp8 LogEntryType = EventLogEntryType.SuccessAudit;
ybS7uo break;
J|xqfY@+ default:
}1R k]$XC LogEntryType = EventLogEntryType.SuccessAudit;
W!tP sPM break;
I5x/N. }
g"T~)SQP 0A 4(RLGg EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
f[|xp?ef //写入事件日志
' J-(v eventLog.WriteEntry(messageText, LogEntryType);
8:s3Q`O Z]SCIU @+ }
)3)L catch {} //忽略任何异常
H>M%5bj }
(^Nf;E } //class ApplicationLog
kJDMIh|g }
/o|@]SAe. e'\I^'`!M 12.Panel 横向滚动,纵向自动扩展
p~3CXmUc~ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
ir]u FOj R4IFl
z 13.回车转换成Tab
#h r!7Kc;N <script language="javascript" for="document" event="onkeydown">
U Ciq'^, if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
1]hMA\x event.keyCode=9;
)3..7ht3^5 </script>
c7iu[vE'+ .7)A8R7Wt onkeydown="if(event.keyCode==13) event.keyCode=9"
r,b /@wm?ft6Gk 14.DataGrid超级连接列
wh*OD DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
q1?2
U< x7NxHTL 15.DataGrid行随鼠标变色
pM#:OlqC private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
m7RWu I, {
iz*aBXV A[ if (e.Item.ItemType!=ListItemType.Header)
|Cen5s
W& {
|_w*:NCV5 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
wV-cpJ,} e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Kjf#uU.7 }
"\>3mVOb }
nmSpNkJ5 +i)1 jX< 16.模板列
^ g4)aaBZ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Y^6=_^ <ITEMTEMPLATE>
t: [[5];E <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
XD|&{/O </ITEMTEMPLATE>
DG:=E/ @ </ASP:TEMPLATECOLUMN>
:\bttPw5 @8CD@SDv <ASP:TEMPLATECOLUMN headertext="选中">
;<MaCtDt <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
ikxSWO_Y= <ITEMTEMPLATE>
ho(Y?'^t3 <ASP:CHECKBOX id="chkExport" runat="server" />
_O rE{ </ITEMTEMPLATE>
Y/$SriC_+' <EDITITEMTEMPLATE>
-Z;:_"&9 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Jhj]rsGk </EDITITEMTEMPLATE>
H/L3w|2+ </ASP:TEMPLATECOLUMN>
Z2$-},i [j![R 后台代码
<v2R6cj5 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
\\/X+4|o' {
|2oB3 \)/ //改变列的选定,实现全选或全不选。
[0~qs|27 CheckBox chkExport ;
>K
&b,o,[ if( CheckAll.Checked)
{ j/w3 {
t 1&p>
v foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
d9^=#ot {
pixI&iQ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
' l!QGKz chkExport.Checked = true;
lhjPS!A~ }
I+<`} }
*}v'y{; else
T4f:0r;^f* {
mWGT
(`|~/ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Awr]@%I {
5S7Z]DXiT8 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
CY7REF chkExport.Checked = false;
R-h7c!ko }
m#S ZI} }
:qT>m }
3AB5Qs< 3{_+dE"9 17.数字格式化
d@l;dos), ILVbbC`D 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
X:e'@]Z)? <%#Container.DataItem("price","{0:¥#,##0.00}")%>
N&GcWcq 3{c&%F~! int i=123456;
*FAg^G&1 string s=i.ToString("###,###.00");
;{ezK8FJ}@ HwGtLeB" 18.日期格式化
jxoEOEA _E"[% 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
?Z!KV= sV+>(c-$ 显示为: 2004-8-11 19:44:28
*o>E{ B#gmT2L 我只想要:2004-8-11 】
Zn^E <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
\GWq0z& +X?jf.4 应该如何改?
`C()H@; gTq-\k( 【格式化日期】
~ACB#D% >Y,7>ahyt 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
*PI3L/* Hc+<(g 【日期的验证表达式】
S2NsqHJr bHMlh^{`% A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
fSP~~YSeU ^((\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})))?$
~q4y'dBy* [6Wr
t8" B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
EtL=_D- ^\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]))$
'Oc8[8 F?dTCa 【大小写转换】
980+Y HttpUtility.HtmlEncode(string);
3LTO+>, |" HttpUtility.HtmlDecode(string)
Q\rqG 8t^"1ND 19.如何设定全局变量
hh?'tb{ ,S8Vfb & Global.asax中
ysa"f+/ 42C:cl} ." Application_Start()事件中
ZD<,h`
lZ X-duG*~ 添加Application[属性名] = xxx;
9w(j2i
q K1hw'AaQ 就是你的全局变量
OYzJE@r^ ZN)/doK 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
-Rvxjy)[N .d fTv/n HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
2ReulL8j d}G?iX;c} 【ASPNETMENU】点击菜单项弹出新窗口
lt*k(JD g PfaiVY 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
:Hd<S <?xml version="1.0" encoding="GB2312"?>
M&K@><6k,k <MenuData ImagesBaseURL="images/">
c`>\R<Z ] <MenuGroup>
3xe8DD <MenuItem Label="内参信息" URL="Infomation.aspx" >
0g+@WK6y <MenuGroup ID="BBC">
UtutdkaS <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
F>M$|Sc2 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
zPmVECS ......
d!d
3r W;A )FP|}DCxQ 最好将你的aspnetmenu升级到1.2版
0L1P'*LRU
%pt$S~j 21.读取DataGrid控件TextBox值
4/jY;YN,2 foreach(DataGrid dgi in yourDataGrid.Items)
}}2kA {
pFK
|4u TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
j\vK`.z tb.Text....
daorKW4 }
.
9
NS q!,do2T 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?
D;L :a`Y `~RV 〖思归〗
-{wuF0f <asp:TemplateColumn HeaderText="数量">
79V5{2Y*U <ItemTemplate>
$i1A470C <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
\(CW?9) onkeyup="javascript:DoCal()"
^"Y'zIL />
1Q%.-vs gB"Tc[l1 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
(HF,p,h_ </ItemTemplate>
epL[PL} </asp:TemplateColumn>
xo%iL PHXP1)^}S <asp:TemplateColumn HeaderText="单价">
t2:c@) <ItemTemplate>
<d^7B9O?&w <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
yjO7/<2 onkeyup="javascript:DoCal()"
9JtvHUkO />
N|j.@K RmQt%a7\{ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
%8tN$8P )L!R~F
C </ItemTemplate>
'2tEKVb </asp:TemplateColumn>
cg.e(@( $SXxAS1 <asp:TemplateColumn HeaderText="金额">
q+z\Y? <ItemTemplate>
;!}SgzSH} <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
v;Dcq </ItemTemplate>
Z:hrrq9 </asp:TemplateColumn><script language="javascript">
hq*JQb;Y} function DoCal()
\,EPsQV0? {
VqrMi *W6 var e = event.srcElement;
5:d2q<x:{ var row = e.parentNode.parentNode;
^zJ.W var txts = row.all.tags("INPUT");
OW}A48X[+ if (!txts.length || txts.length < 3)
StL[\9~: return;
gB(W`:[ 9O Q4\ var q = txts[txts.length-3].value;
ZX;k*OrW var p = txts[txts.length-2].value;
@e,Zmx O}-7 V5 if (isNaN(q) || isNaN(p))
{|h"/ return;
Qzhnob#C9 DRoxw24 q = parseInt(q);
iq:[+ p = parseFloat(p);
\i+h P1mz ,m?D\Pru txts[txts.length-1].value = (q * p).toFixed(2);
b1u'ukDP\ }
% 4"~O
_S </script>
gL"}5 3A `Cf
en8 -9I% \ Sby(l gJxVU41 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。
c.Y8CD.tqL page_load
+-\9'Q page.smartNavigation=true
P`
F'Nf2U ;QQ7vo 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#)<rK private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
HdUW(FZ {
d-sh6q5 for(int i=0;i<e.Item.Cells.Count-1;i++)
BznA)EK?@ if(e.Item.ItemType==ListItemType.EditType)
grdyiBSVn {
_ICDtG^ e.Item.Cells.Attributes.Add("Width", "80px")
j~H`*R=ld# }
4.B*B3 }
vx@p;1RU` [Be53U{= 26.对话框
"T%'Rp`j| private static string ScriptBegin = "<script language=\"JavaScript\">";
p.] .M"A private static string ScriptEnd = "</script>";
AV4HX\`{P0 cu^*x/0, public static void ConfirmMessageBox(string PageTarget,string Content)
TY\"@(Q|G {
<57l|}8 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
/VO@>Hoh _0q~s@- ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
8{fz0H.<? FqxOHovE Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
1GE%5 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
nj0AO0 //Response.Write(strScript);
k3[h'.ps }
6xIYg ^ w
a<C*o 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
{U '&9_y %Dls36F 1.1 取当前年月日时分秒
2 `h!:0 currentTime=System.DateTime.Now;
B;]5,`#! )UZ0gfx 1.2 取当前年
wLN2`ucC int 年= DateTime.Now.Year;
ZV]e- ,(27p6! 1.3 取当前月
~!-8l&C int 月= DateTime.Now.Month;
>DUE8hp;< Hq\E06S@ 1.4 取当前日
KbdfSF$ int 日= DateTime.Now.Day;
*-AAQ ~1r*/@M[V 1.5 取当前时
[F)/mN int 时= DateTime.Now.Hour;
62l0
Z- |id79qY7g 1.6 取当前分
E:4P1,%01+ int 分= DateTime.Now.Minute;
s!/holu XH:gQ 9FD 1.7 取当前秒
if[o?6U4t int 秒= DateTime.Now.Second;
4_762Gu% N3yB1_ 1.8 取当前毫秒
1|WpKaMoq int 毫秒= DateTime.Now.Millisecond;
t-m9n*\j1 kad;Wa#h 28.自定义分页代码:
V"by9p|V` ,Q=)$ `% 先定义变量 :
Eh@T W%9* public static int pageCount; //总页面数
+
lB+|yJ+ public static int curPageIndex=1; //当前页面
+#uNQ`1v zt[4_;2Y 下一页:
+:]Aqyc\ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
EPe]-C` {
NVc!g DataGrid1.CurrentPageIndex += 1;
X'#$e{ curPageIndex+=1;
}\ 939Y }
]]=-AuV. g{W6a2 bind(); // DataGrid1数据绑定函数
blfE9Oy HCx%_9xlm 上一页:
[Ql?Y$QB`4 if(DataGrid1.CurrentPageIndex >0)
=tc`:!$ {
t&9as} DataGrid1.CurrentPageIndex += 1;
+dgo-)kP(_ curPageIndex-=1;
, |.*, }
~njbLUB qHR^0& bind(); // DataGrid1数据绑定函数
'lN*Ys iDi ZcTL#OTP 直接页面跳转:
c2/R]%`)9 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
EID)o[< <p^*Ydx if(a<DataGrid1.PageCount)
nGv23R(?G {
2z.8rNwT this.DataGrid1.CurrentPageIndex=a;
" _:iK] }
mS:j$$]u l$-=Pqb bind();
xxoHH#a f
OM^V{)T 29.DataGrid使用:
2E3?0DL", U1> 添加删除确认:
jom}_ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
GSGyF {
\,l.p_< foreach(DataGridItem di in this.DataGrid1.Items)
}$Hs;4| {
\[[TlB> if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
d=t}T6.| {
sb}K%- ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
(ET ;LH3 }
@ .Z[M }
+~w?Xw, }
<V$Y6(uMs 8tLT'2+H# 样式交替:
{=bg5I0|a ListItemType itemType = e.Item.ItemType;
]&C:> FDF3zzP0 if (itemType == ListItemType.Item )
<.r ]dCf {
qe5tcv}u e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
s;B
j7] e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
?qg^WDs$ }
)IFl
0<d
else if( itemType == ListItemType.AlternatingItem)
;wJ7oj< {
smfG,TI e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
!2zo]v4? e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
FJsK5- }
?kL|>1TY 1V|< A 添加一个编号列:
( zn_8s DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
5q5 )uv" DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Q7~'![(a Gur8.A;Y for(int i=0;i<dt.Rows.Count;i++)
V[o7Jr~ {
UAsF0&] dt.Rows["number"]=(i+1).ToString();
MAE7A"la }
(dzH3_U k^H0b\hYY DataGrid1.DataSource=dt;
Ku<b0<` DataGrid1.DataBind();
FX
HAZ2/\ rc;7W: DataGrid1中添加一个CheckBox,页面中添加一个全选框
K1?Z5X(b
private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
`z9)YH {
2d-TU_JqX foreach(DataGridItem thisitem in DataGrid1.Items)
T@;! yz}Pf {
#4P8Rzl$/ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
dtB[m^$ }
\%sPNw=e }
m b%C}8D W(;x\Nc7 将当前页面中DataGrid1显示的数据全部删除
zKIGWH=qqm foreach(DataGridItem thisitem in DataGrid1.Items)
;_mgiKHg {
]3n , AHA if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
i{o#3 {
[Ja)<!]< string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
_1I K$gb[ Del (strloginid); //删除函数
@%6)^]m}r }
v<L=!-b^ }
}1QI"M* fNmE,~ 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
^oS$>6| uQH%.A 在Application_Start中添加以下代码:
}x*7l`1 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
z%OuI 8"' AppSettings["ConnStr"].ToString();
R=!kbBK>\ Q;4}gUmI$ 31. 变量.ToString()
FoE|Js xDR9_ 字符型转换 转为字符串
60xa?8<cg 12345.ToString("n"); //生成 12,345.00
nN>J*02( 12345.ToString("C"); //生成 ¥12,345.00
%b=Y
<v 12345.ToString("e"); //生成 1.234500e+004
6ayy[5tW 12345.ToString("f4"); //生成 12345.0000
U
z"sdi 12345.ToString("x"); //生成 3039 (16进制)
?n)Xw)] 12345.ToString("p"); //生成 1,234,500.00%
Z:K+I+:t $z*@2Non 32、变量.Substring(参数1,参数2);
>BBl7 cppL0myJ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
7$!yfMttu z8IPhE@ 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)
^;.T}c%N <SCRIPT language="javascript">
4w'lu"U <!--
8EOh0gk7 function gook(pws)
GxxDY]! {
~|h lE z frm.submit();
ful#Px6m }
FC6x Fg^ //-->
d:A}CBTSY WrNLGkt </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
NwguP <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
KacR?Al <tr>
5?Bc
Y; <td>
2z4<N2!M <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
'!p=aF9L <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
grr'd+_ e <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
aSel*
L aYqm0HCT <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
:pRF*^eU <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
+#4]o
}6G m+?N7 </td>
5L F/5` [!EXMpq' </tr>
hR-K@fS%l' yf!,4SUkU </form>
zJ;Rt9<7- nTPB,QE< 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。
FKC\VF GD!-
qH 下面是获取用户输入的登陆信息的代码:
9 CB\n string name;
_g[-=y{Bb name=Request.QueryString["EmailName"];
'_V
#;DI +IrZ
;&oy try
6Opa{] {
wxE?3%.j\ int a=name.IndexOf("@",0,name.Length);
{(4# )K2g% f_user.Value=name.Substring(0,a);
Wbe0ZnM] f_domain.Value=name.Substring(a+1,name.Length-(a+1));
C}q>YRubZ f_pass.Value=Request.QueryString["Psw"];
KF+mZB }
ld.7`) joqWh!kv7U catch
uMvb-8 {
D?^Y`G$. Script.Alert("错误的邮箱!");
(ew}
gJ Server.Transfer("index.aspx");
A^ViDP }