1. 打开新的窗口并传送参数:
;Z#DB$o\ K9UWyM<(2C 传送参数:
`L"{sW6S response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
ZQDw|*a@ tP/R9Ezp 接收参数:
t-w4rXvF string a = Request.QueryString("id");
f@J-6uQ7w string b = Request.QueryString("id1");
.sbV<ulbc M{~KT3c 2.为按钮添加对话框
+DP{ _x)t Button1.Attributes.Add("onclick","return confirm(’确认?’)");
ht^xcc button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
rKW kT" C AF{7 `{ 3.删除表格选定记录
24/ ^_Td int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
5I@2U vV8 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
}5Pzen qn@:A2ed 4.删除表格记录警告
2;=xHt private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
<7sGA{ {
!4
G9`>n switch(e.Item.ItemType)
nK|WzUtp {
ZIM 5$JdCv case ListItemType.Item :
?!kPW^gD case ListItemType.AlternatingItem :
eMDraJv@ case ListItemType.EditItem:
vh^,8pPy TableCell myTableCell;
VBI~U?0 myTableCell = e.Item.Cells[14];
b$'}IWNV LinkButton myDeleteButton ;
a(`@u&]WZ myDeleteButton = (LinkButton)myTableCell.Controls[0];
i9k/X&V myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
.TetN}w break;
SiQszV.& default:
~m.@{Do0p break;
=
eDi8A*~ }
]Syr{| AIFI@#3 }
6'qC *r m%km@G$ 5.点击表格行链接另一页
TwXqk>J private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
)F)
(Hg {
yPza //点击表格打开
IPT\d^|f if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.`K<Iug1 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
IXef}%1N? }
{z/Y~rf )R'~{;z } 双击表格连接到另一页
]J7.d$7T V}kQXz"9 在itemDataBind事件中
=%V(n{7= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
vmZyvJSE {
0?
QTi( string OrderItemID =e.item.cells[1].Text;
nB1[OB{ ...
,P9q[
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
\P|PAU@, }
G\1\L*+0 B#K{Y$!v 双击表格打开新一页
qKg*/)sD( if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5L4{8X0X8 {
3KW4 ]qo~ string OrderItemID =e.item.cells[1].Text;
gK8{ =A0c ...
zn'F9rWx> e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
F"<TV&xf }
&{c.JDO A7qKY-4B ★特别注意:【?id=】 处不能为 【?id =】
.v{ok,& 6.表格超连接列传递参数
o1kY|cnGH <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
89[5a <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
ub/9T-#l =
j,Hxq 7.表格点击改变颜色
Y[ciT) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
O+^l>+ZGj? {
]%L?b-e e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
`i,l)X] this.style.color=’buttontext’;this.style.cursor=’default’;");
%cl=n!T }
9=J+5V^qD< [Cx'a7KWL 写在DataGrid的_ItemDataBound里
LzW8)<N if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0//?,'. {
;5bzXW#U e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
$&Ntdn this.style.color=’buttontext’;this.style.cursor=’default’;");
fvDt_g9 oI e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
ShV#XnQ }
F5|6* K \qAg]- "Vg1'd}f 8.关于日期格式
3S~Gi, .MzVc42< 日期格式设定
hv.$p5UY* DataFormatString="{0:yyyy-MM-dd}"
#~(VOcRI ? %9-5"U[ 我觉得应该在itembound事件中
69{BJ]q e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
x"9e eB, oK5"RW 9.获取错误信息并到指定页面
&]'{N69@d? oWu2}#~z_ 不要使用Response.Redirect,而应该使用Server.Transfer
T5g}z5~" 7)`U%}R e.g
k e
sg ]K // in global.asax
gxIGL-1M protected void Application_Error(Object sender, EventArgs e) {
:4f>S)m if (Server.GetLastError() is HttpUnhandledException)
I0
78[3b Server.Transfer("MyErrorPage.aspx");
&?R2zfcM .S l{m[nV8 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
`5V=U9zdE }
McRAy%{z 8T7E.guYr 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
wE.CZ%f ?+]prbt) 10.清空Cookie
3~I|KF7x Cookie.Expires=[DateTime];
M?iU$qI Response.Cookies("UserName").Expires = 0
BB?vc(d rff=ud>Jf 11.自定义异常处理
\pXs&}%1,F //自定义异常处理类
SM;*vkwz~ using System;
i:6`Rmz1. using System.Diagnostics;
$?.0>0,< yM*-em namespace MyAppException
@%7IZg;P6 {
H\Y5Fd9) /// <summary>
?*36&Iq} /// 从系统异常类ApplicationException继承的应用程序异常处理类。
^u?#fLr /// 自动将异常内容记录到Windows NT/2000的应用程序日志
g ni=S~u /// </summary>
"0Wi-52=V public class AppException:System.ApplicationException
! z^%$;p {
vdn`PS'# public AppException()
eF[CiO8F2 {
EqN<""2 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
FUVoKX!# }
|a3v!va `UC
public AppException(string message)
.l| [e {
%V,2,NCd
LogEvent(message);
Rqi=AQ }
1G0U}-6RH KW* 2'C& public AppException(string message,Exception innerException)
{`FkiB` i {
SXYH#p LogEvent(message);
ne]P -50 if (innerException != null)
c>_tV3TDA {
>MuI-^3 LogEvent(innerException.Message);
9{D u)k }
ZA u=m }
O%g
Q a'T8U1 //日志记录类
`&\jOve using System;
7#~v<M6 using System.Configuration;
0rt@4"~~w using System.Diagnostics;
7$;#-l using System.IO;
=cwQG&as using System.Text;
:~I^ni using System.Threading;
{X85 U9<AL. namespace MyEventLog
<G9HVMiP {
.!fhy[%o:D /// <summary>
#.<Uy."z2 /// 事件日志记录类,提供事件日志记录支持
~ 4v /// <remarks>
WpPm|h /// 定义了4个日志记录方法 (error, warning, info, trace)
Mnu8d:$ /// </remarks>
pyvH [ /// </summary>
Z~g6C0 public class ApplicationLog
n[vwwY {
<>n-+Kr /// <summary>
;Y6XX_ /// 将错误信息记录到Win2000/NT事件日志中
nx
/// <param name="message">需要记录的文本信息</param>
GI+x,p /// </summary>
<EhOIN7@*D public static void WriteError(String message)
v r=va5 {
#?OJ9pyG' WriteLog(TraceLevel.Error, message);
*oby(D"p }
{8TLL@T4 oO0dN1/ /// <summary>
%DK0s(*w0 /// 将警告信息记录到Win2000/NT事件日志中
(yx^zW7 /// <param name="message">需要记录的文本信息</param>
S!Alno /// </summary>
q 9e(YX> public static void WriteWarning(String message)
&d%\&fCm( {
X#ZQpo'h WriteLog(TraceLevel.Warning, message);
b< dwf[ }
', WnT: eD|p1+76 /// <summary>
YiO3.+H /// 将提示信息记录到Win2000/NT事件日志中
i/vo /// <param name="message">需要记录的文本信息</param>
2
c
2lK /// </summary>
8a,uM : public static void WriteInfo(String message)
ww}4
{
t5| }0ID- WriteLog(TraceLevel.Info, message);
~ u)}/ }
W)_|jpd[ /// <summary>
Bj=lUn`T: /// 将跟踪信息记录到Win2000/NT事件日志中
= 9Ow!(!@ /// <param name="message">需要记录的文本信息</param>
x|b52<dLL& /// </summary>
Udi public static void WriteTrace(String message)
o>6c?Xi& {
uPT2ga ] WriteLog(TraceLevel.Verbose, message);
:*=fGwIWS }
`!udU,|N @A5'vf|2;. /// <summary>
lZ'WFFWLE /// 格式化记录到事件日志的文本信息格式
DruiiA /// <param name="ex">需要格式化的异常对象</param>
0P5s'2w /// <param name="catchInfo">异常信息标题字符串.</param>
)>=!</@ /// <retvalue>
oimM)Yo /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
u?-|sv* /// </retvalue>
C`@gsF"<7 /// </summary>
9\zasa public static String FormatException(Exception ex, String catchInfo)
O
.ESI {
%eE0a4^". StringBuilder strBuilder = new StringBuilder();
tD~
nPbbB if (catchInfo != String.Empty)
2 rFjYx8D! {
]
6X;&=H strBuilder.Append(catchInfo).Append("\r\n");
VLfc6:Yg }
( GW"iL#. strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
`<Q[$z return strBuilder.ToString();
&o;d }
? K ,d f:K>o. /// <summary>
mo?*nO|- /// 实际事件日志写入方法
?u?Nhf
%b /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
3'7] jj /// <param name="messageText">要记录的文本.</param>
6!`GUU /// </summary>
+SB>> private static void WriteLog(TraceLevel level, String messageText)
:R-_EY$k6 {
Q}: $F{ try
]vflx^<? {
xZ]QT3U+ EventLogEntryType LogEntryType;
+n%d,Pz switch (level)
k-N}tk/5 {
y;if+ case TraceLevel.Error:
IAHQT<] LogEntryType = EventLogEntryType.Error;
UhKd o break;
d =p=eUd2 case TraceLevel.Warning:
q'Nafa&a) LogEntryType = EventLogEntryType.Warning;
E!9(6G4 break;
L>Y3t1= case TraceLevel.Info:
~n~j2OE LogEntryType = EventLogEntryType.Information;
n *EGOS break;
(e_z*o)\T case TraceLevel.Verbose:
[v+5|twxpU LogEntryType = EventLogEntryType.SuccessAudit;
A>ve|us$ break;
w:pPd;nz0Y default:
.(&w/jR LogEntryType = EventLogEntryType.SuccessAudit;
FVxORQI break;
T)I\?hqTB }
HU/2P` DGP G=F _{z\} EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
SajG67 //写入事件日志
+lX Iv eventLog.WriteEntry(messageText, LogEntryType);
TVM19)9 .0rTk$B
}
0j!xv(1 catch {} //忽略任何异常
A"O\u=! }
K))P
2ss } //class ApplicationLog
mKqXB\< }
^;9<7h[l %L|xmx!c 12.Panel 横向滚动,纵向自动扩展
6)PnzeYW <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
2 :4o`o tVe =c 13.回车转换成Tab
y`i?Qo3 <script language="javascript" for="document" event="onkeydown">
D<`M<:nq if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
drxCjuz" event.keyCode=9;
g%V#Z`*| </script>
bzr QQQ Hr7?#ZX;e onkeydown="if(event.keyCode==13) event.keyCode=9"
-<ome~| RrT`]1". 14.DataGrid超级连接列
D4N(FZ0~ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
73_=CP"t !rF1Remw 15.DataGrid行随鼠标变色
(hBph+ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
o`Af6C;Q {
Qo!F?i/ n if (e.Item.ItemType!=ListItemType.Header)
w~q ]& {
g=KvCqJN e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
W'~s e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
D59q/@ }
UpPl-jeT }
C+t0Zen O')=]6CQ* 16.模板列
,c-*/{3 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
psse^rFg <ITEMTEMPLATE>
J(K/z,4h <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
764eXh </ITEMTEMPLATE>
/1p5KVTKv </ASP:TEMPLATECOLUMN>
Uq @].3nf *kpP)\P <ASP:TEMPLATECOLUMN headertext="选中">
@u`W(Ow <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
U[2;Fkapi <ITEMTEMPLATE>
wwRPfr[ <ASP:CHECKBOX id="chkExport" runat="server" />
eso-{W,D </ITEMTEMPLATE>
($!uBF-b <EDITITEMTEMPLATE>
7n o6
<ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
g!.piG| </EDITITEMTEMPLATE>
C>'G? </ASP:TEMPLATECOLUMN>
;B;@MD,B q{_ f" 后台代码
C4qK52'2s protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
&Nh
zEl1 {
k~Q
5Cs //改变列的选定,实现全选或全不选。
'7}2}KD CheckBox chkExport ;
`zrg? if( CheckAll.Checked)
aOw#]pB| {
Cn{v\Q~.4 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
lo1bj *Y2 {
\#]C !JQ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
pY[b[ezb chkExport.Checked = true;
YR? E
z<p }
|h%HUau }
tSux5yV else
{8qcM8 {
'sXrtl7{^ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
YXZP-=fB>i {
g4Q' Fub+I chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*N4/M%1P chkExport.Checked = false;
|x.^rx` }
AE+BrN
+"2 }
H2H[ DVKv }
XI|k,Ko< d=meh4Y 17.数字格式化
4F9!3[}qF D/Ok 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
_3D9>8tzE7 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
!h4A7KBYG ,Jh#$mil int i=123456;
9l"=]7~% string s=i.ToString("###,###.00");
JV@G9PT 3!\h'5{ 18.日期格式化
|OAM;@jH qjh k#\y 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Woj5
yr Zj-U^6^L 显示为: 2004-8-11 19:44:28
1x=x,lcL kW2DKr-[ 我只想要:2004-8-11 】
RD"-(T <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
}:{9!RMO j{r@>g;3 应该如何改?
@MVul_@6 N&p0Emg 【格式化日期】
(&Jo.
< (CRx'R
取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Bm,Vu 1]t $OdBuJA 【日期的验证表达式】
'tw
]jMD GS=E6 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
x>B\2; ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
^\Z+Xq1~/ [T,^l#S1 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
eUZk|be ^\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]))$
#) :.1Z? %cg| KB"l 【大小写转换】
.{c7 I!8 HttpUtility.HtmlEncode(string);
1++g@8 HttpUtility.HtmlDecode(string)
vG'#5%,| 8Th,C{ 19.如何设定全局变量
O1c:X7lHc HV)aVkr/& Global.asax中
&z1U0uk &PRoT#, Application_Start()事件中
=k.%#h{ O^=+"O] 添加Application[属性名] = xxx;
x 55W"q7 ?RS:I%bL 就是你的全局变量
te2vv]W1 Kcp YHWCa. 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
\u{4=-C. u>.a; BO HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
G 3,v'D5 #"KC29!Yj 【ASPNETMENU】点击菜单项弹出新窗口
'nGUm[vh ,lA@C2c 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
a-E}3a <?xml version="1.0" encoding="GB2312"?>
-$o0P'Vx <MenuData ImagesBaseURL="images/">
7`;f<QNo <MenuGroup>
iLZY6?_^ <MenuItem Label="内参信息" URL="Infomation.aspx" >
Ms,MXJtH <MenuGroup ID="BBC">
dt:$:,"
<MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
nOL.% <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
r9&m^,U ......
yD7} kMurNA= 最好将你的aspnetmenu升级到1.2版
O7
aLW V=*^C+6s 21.读取DataGrid控件TextBox值
5Y^"&h[/ foreach(DataGrid dgi in yourDataGrid.Items)
:K]7(y7> {
FMeBsI9pL TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Wj^e)2% tb.Text....
!2.BLJE> }
U< G 2tn( D)ri_w!Q 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?
U< Xdhgo? [Cv./hEQi 〖思归〗
uOLShNo <asp:TemplateColumn HeaderText="数量">
<C&|8@A0 <ItemTemplate>
N4C7I1ihq <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
`8W HVC$ onkeyup="javascript:DoCal()"
Zf@B<
m />
E3O^Tg?j }|=/v(D <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
]5S`y{j1 </ItemTemplate>
lJ-PW\P </asp:TemplateColumn>
XP?jsBE 0?>(H(D^/ <asp:TemplateColumn HeaderText="单价">
zq{UkoME <ItemTemplate>
I_v}}h{ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
`e
=IXkt onkeyup="javascript:DoCal()"
9% T"W />
i^%$ydg (^
EuF] <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
I*
C~w 1Y'4 g3T </ItemTemplate>
nPXP9wmh4x </asp:TemplateColumn>
A,DBq9Z+4R D1xGUz2r <asp:TemplateColumn HeaderText="金额">
]qv0Y~+`-K <ItemTemplate>
b^d{$eoH?| <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
H"l4b4)N\ </ItemTemplate>
rvd$4l^ </asp:TemplateColumn><script language="javascript">
WqNXE)' function DoCal()
%|(c?`2| {
WsV"`ij# var e = event.srcElement;
tn'Jkwp var row = e.parentNode.parentNode;
,<tJ`,0X var txts = row.all.tags("INPUT");
lJu^Bcrv if (!txts.length || txts.length < 3)
pVy=rS- return;
WZNq!K H mg'q-G`\< var q = txts[txts.length-3].value;
~%/Rc` var p = txts[txts.length-2].value;
zg<-%r'$ .
|T=T0^ if (isNaN(q) || isNaN(p))
B]"`}jn return;
^_bG{du `sCaGCp q = parseInt(q);
,-y9P p = parseFloat(p);
XJ4f;U nL:&G'd txts[txts.length-1].value = (q * p).toFixed(2);
`]eJF|" }
LOx+?4|y </script>
f"5O'QHGQK [#Y
L_*p JkAM:,^( sg
$db62> yv[j
Pbe 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
}UW7py!TN page_load
z5fE<=<X_W page.smartNavigation=true
njy2pDC@ :jl*Y-mM 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
C:J;'[,S private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
fkzSX8a9} {
2H|:/y for(int i=0;i<e.Item.Cells.Count-1;i++)
ccuGM W G* if(e.Item.ItemType==ListItemType.EditType)
.c"nDCFVR {
^}=)jLS e.Item.Cells.Attributes.Add("Width", "80px")
y d97ys }
]^~}/@ }
2nB99L{6 e,p"=/!aY 26.对话框
^&eF916H private static string ScriptBegin = "<script language=\"JavaScript\">";
,@ 8+%KqG private static string ScriptEnd = "</script>";
(gBKC]zvz3 iNA3Y public static void ConfirmMessageBox(string PageTarget,string Content)
+NPL.b| {
%F>~2g?$ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
ii)#(b:V K|7"YNohfG ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
15g!Q
*v uDDa>Ka#+ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
te+} j7SU ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
V,&%[H [ //Response.Write(strScript);
"<ZV'z }
9* )&hhBs, dEoIVy _9R 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
c|Ivet>3 nj[TTndJt 1.1 取当前年月日时分秒
`>:5[Y currentTime=System.DateTime.Now;
<,]:jgX 2zBk#c+ 1.2 取当前年
~R!1{8HP int 年= DateTime.Now.Year;
buGBqx[ Ia&*JYM[ 1.3 取当前月
n$/|r int 月= DateTime.Now.Month;
F(G..XJQ 7*5B 1.4 取当前日
?*fa5=ql int 日= DateTime.Now.Day;
Ww]$zd-bo ;'"'|} xn 1.5 取当前时
xE1?) int 时= DateTime.Now.Hour;
bwsKdh mk>; 3m* 1.6 取当前分
RaJTya^ int 分= DateTime.Now.Minute;
v ccH(T N"S`9B1eD( 1.7 取当前秒
pi"H?EHk int 秒= DateTime.Now.Second;
,-pE/3|( uBm"Xkxe|w 1.8 取当前毫秒
|#TU"$; int 毫秒= DateTime.Now.Millisecond;
@?,x3\N- 8 1,N92T5 28.自定义分页代码:
/G||_Hc > G\0Z[<v, 先定义变量 :
gQ+]N*. public static int pageCount; //总页面数
\`n(JV public static int curPageIndex=1; //当前页面
l;; 2\mL? Y6jyU1> 下一页:
6j%%CWU{~ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
U4 !bW {
#"gt&t9Q DataGrid1.CurrentPageIndex += 1;
8Y`Lq$u curPageIndex+=1;
F\:~^` }
|a(KVo LE\*33k_ bind(); // DataGrid1数据绑定函数
(Z),gxt dN{At- 上一页:
y~9wxK if(DataGrid1.CurrentPageIndex >0)
O<m46mwM {
@kYY1m v; DataGrid1.CurrentPageIndex += 1;
_jQ:9,;
A curPageIndex-=1;
bfxE}> }
5nG\J
g7 Xb_
V\b0 bind(); // DataGrid1数据绑定函数
S:xXD^n#H L!Jx`zM^ 直接页面跳转:
jD
S?p)& int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
y,D9O/VP U2VEFm6 if(a<DataGrid1.PageCount)
(m/:B=K {
JX59n%$@ this.DataGrid1.CurrentPageIndex=a;
K9<8FSn }
a5a
;Fp r:QLU]
bind();
;z:Rj}l v{" nyW6# 29.DataGrid使用:
SoIK<*J M
Kyj<@[ 添加删除确认:
\8{SQ% private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
lu#a.41 {
}z]d] foreach(DataGridItem di in this.DataGrid1.Items)
UF9={fN1 {
M\1CDU+*Ns if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
g\aO:: {
+ai3 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
<a R }
UylIxd }
!yNU-/K }
(hc!!:N~q N_%@_$3G] 样式交替:
}e7Rpgu ListItemType itemType = e.Item.ItemType;
F/v.hP_ !r/i<~'Bx if (itemType == ListItemType.Item )
%NLd"SV {
bb_elmb)n e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
RXXHg e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
dDcQSshL }
&8VH m?h else if( itemType == ListItemType.AlternatingItem)
!)M}(I} {
6#=Iv X4 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
1hbQ30 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
H I9/ }
IOHWb&N6 {4+/0\ 添加一个编号列:
:!i=g+e] DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
HNkOPz+d&8 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
ruaZ(R[ >MYxj}I4{z for(int i=0;i<dt.Rows.Count;i++)
&v:zS$m> {
N XB8u6 dt.Rows["number"]=(i+1).ToString();
4~
x>] }
.-$3I|}X= A
rE~6X DataGrid1.DataSource=dt;
a`Bp^(f} DataGrid1.DataBind();
L,zx\cj?z l>*X+TpA, DataGrid1中添加一个CheckBox,页面中添加一个全选框
L|[i<s; private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Od.@G ~ {
jTwSyW foreach(DataGridItem thisitem in DataGrid1.Items)
CH7a4qL` {
AMrYT+1 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
PTHxvml }
cc${[yj) }
\d:Q%S .#y#u={{l 将当前页面中DataGrid1显示的数据全部删除
C
b'| foreach(DataGridItem thisitem in DataGrid1.Items)
\BBs;z[/ {
kQI'kL8> if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
zFOtOz`9H {
.BxI~d^ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
m03dL^( Del (strloginid); //删除函数
i,^-9 }
.*NPoW4Kv }
-3(*4)h7 PE{<'K\g 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)
@+;.W>^h #~Xj=M% 在Application_Start中添加以下代码:
]Mq-67 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
)
`{jPK*` AppSettings["ConnStr"].ToString();
3MX#}_7A pg5W`4-F 31. 变量.ToString()
{]Mwuqn uP4yJ/] 字符型转换 转为字符串
a@g
<cl7a, 12345.ToString("n"); //生成 12,345.00
f)vnm*&- 12345.ToString("C"); //生成 ¥12,345.00
~xzr8 P 12345.ToString("e"); //生成 1.234500e+004
!ak760*A 12345.ToString("f4"); //生成 12345.0000
;(mNjxA 12345.ToString("x"); //生成 3039 (16进制)
*v#V%_ o 12345.ToString("p"); //生成 1,234,500.00%
-75mgOj.# <Hv/1:k} 32、变量.Substring(参数1,参数2);
b\^DQZmth RH,x);J| 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);
1.%|Er 4 jNbVp{%/S} 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)
h5P ]`r <SCRIPT language="javascript">
vo Et\H <!--
yIiVhI?X function gook(pws)
Bor_(eL^ {
RaLV@>jPm frm.submit();
Z<<=2Xl( }
3L2NenJB //-->
C}9GrIi G9&2s%lu.e </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
I>rTqOK <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
,g'>Ib% <tr>
xi"ff. <td>
|t"CH'KJZ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
:tbI=NDb <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
cK[=IE5 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
d&G]k!|\ r4cz?e| <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
o]V.6Ge- <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
eSIG+{;& d@^%fVhG </td>
Xz:ha>}C E
el* P M </tr>
M8:i ] D,*|:i </form>
[$K8y&\L VZ IY=Q>g 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。
=x?WZMO ;d>n2 下面是获取用户输入的登陆信息的代码:
G8'{nPA~ string name;
K:9AP{+ name=Request.QueryString["EmailName"];
IkmEctAU k|>yFc try
q'trd};xR {
L!Tvz(_7f6 int a=name.IndexOf("@",0,name.Length);
8wO4; f_user.Value=name.Substring(0,a);
vr"Pr4z4i f_domain.Value=name.Substring(a+1,name.Length-(a+1));
k:7Gb7\ f_pass.Value=Request.QueryString["Psw"];
a:GM|X }
Qm7];, o6w8Y/VPu catch
zrSYLG {
L[:AU e Script.Alert("错误的邮箱!");
L9^M?.a Server.Transfer("index.aspx");
dYOY8r/ }