1. 打开新的窗口并传送参数:
D;1?IeS >b;o&E`\ 传送参数:
nj1TX response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
I8x,8}o>V w]@H]>sHd 接收参数:
(r6'q0[ string a = Request.QueryString("id");
Aj{c s string b = Request.QueryString("id1");
CJa`[;i0y pH9xyN[:a 2.为按钮添加对话框
isBtJ7 \Sc Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Bm>>-nG; button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
rtSG-_[i ]3D>ai? 3.删除表格选定记录
gPE`mE int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
uqotVil, string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
ZA1:Y{V ']bw37_U, 4.删除表格记录警告
!V^wq]D2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
4 EE7gkM5 {
Tv[|^G9x switch(e.Item.ItemType)
Tv[h2_+E {
|l-~,eRvi5 case ListItemType.Item :
8(zE^W,[8" case ListItemType.AlternatingItem :
zi^?9n), case ListItemType.EditItem:
!-veL1r TableCell myTableCell;
@D[tljc^ myTableCell = e.Item.Cells[14];
v:F_!Q LinkButton myDeleteButton ;
AAXlBY6Y- myDeleteButton = (LinkButton)myTableCell.Controls[0];
fzdWM:g myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
]Y3NmL break;
11^.oa+` default:
H*H~~yQ break;
MD):g@ }
@?2ES@G+Ji {{r.?m#{ }
)Fsc0_ Te6cw+6 5.点击表格行链接另一页
39qIoaHT private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;;|o+4Ob; {
^?V9 //点击表格打开
Z g.La<# if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
H/2dVUU e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
| LXVf }
]?7q%7-e.a NNxzZ!q! 双击表格连接到另一页
rD;R9b"J *t{^P*pc 在itemDataBind事件中
rRvZG&k
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
r!<)CT}D {
d iWi0@ string OrderItemID =e.item.cells[1].Text;
OZR{+YrB^ ...
vbh 5 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
_. &N@k }
*Y':raP I~ 1Rt+: 双击表格打开新一页
m9=93W?
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Pihpo {
J# DN2y< string OrderItemID =e.item.cells[1].Text;
)Drif\FF) ...
%Ze]6TP/>< e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
(PC)R9r5 }
2EH0d6nt fm0]nT ★特别注意:【?id=】 处不能为 【?id =】
#F=!g? 6.表格超连接列传递参数
sj 3[ny;b <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
yBRYEqS+ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
h0&Oy52
/,,IM/(6^ 7.表格点击改变颜色
C"QB`f: if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
onU\[VvM {
!%'"l{R e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
8AJ#].q0F this.style.color=’buttontext’;this.style.cursor=’default’;");
Ys0N+ }
[X 9zrGHt g/4ipcG;N 写在DataGrid的_ItemDataBound里
cN:dy# if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
E*x ct-m# {
JRR,ooN*i e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
0!b9%I=j this.style.color=’buttontext’;this.style.cursor=’default’;");
(h|E@gRa e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
mndKUI}d }
CB0p2WS_ 8shx7" <Gna}ALkg 8.关于日期格式
z22:O"UHa h])oo:u'/Q 日期格式设定
-%dBZW\u2 DataFormatString="{0:yyyy-MM-dd}"
DB+oCE<.# bao"iv~z 我觉得应该在itembound事件中
W]5Hc|!^^ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
w$Z%RF'p (<}BlL 9.获取错误信息并到指定页面
L6"V=^Bq kEp{L 不要使用Response.Redirect,而应该使用Server.Transfer
vSy[lB|)24 :Y|[?; e.g
Am|)\/K+Z // in global.asax
<1#hX(Q protected void Application_Error(Object sender, EventArgs e) {
w6h*dh$w if (Server.GetLastError() is HttpUnhandledException)
IgN^~ag` Server.Transfer("MyErrorPage.aspx");
;Z9(ll:<$ )b1X6w[ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
J$U_/b.mk }
\YSprXe KE6XNG3 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
},@ex fDRG+/q(+ 10.清空Cookie
nkzH}F=< Cookie.Expires=[DateTime];
Qff.QI, Response.Cookies("UserName").Expires = 0
Yd(<;JKF[ vY7@1_" 11.自定义异常处理
M.HMnN# //自定义异常处理类
^zW=s$\Fo using System;
Z]w?RL using System.Diagnostics;
qLPuKIF 1ASoH,D/ namespace MyAppException
$Ai zKiV {
l.P;85/+ /// <summary>
IL1iTRH /// 从系统异常类ApplicationException继承的应用程序异常处理类。
4hxa|f /// 自动将异常内容记录到Windows NT/2000的应用程序日志
iuA_Jr /// </summary>
v o4U% public class AppException:System.ApplicationException
K
$WMrp {
mGa :~x public AppException()
ExM VGe {
.K]Uk/W if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
>?#zPweA }
l&*=
.Zc7! ^]D+H9Tl public AppException(string message)
Sx8C<S5r< {
Ylyk/ LogEvent(message);
gZiwXb }
X:lStO#5 Y^nm{ ;G+ public AppException(string message,Exception innerException)
yzMGZi`ut {
sm;kg= LogEvent(message);
H@u5& if (innerException != null)
e,r7UtjoxR {
s7 sTY LogEvent(innerException.Message);
a`[9<AM1# }
{5fL!`6w }
O~v~s
'c& (AX$Svw //日志记录类
G8 q<) using System;
J"Fp), using System.Configuration;
M[+#*f.T} using System.Diagnostics;
Yep~C%/} using System.IO;
jSSEfy>^ using System.Text;
ExMd$`gW using System.Threading;
B*Ey&DAV Rt:^'Qi$! namespace MyEventLog
ef)zf+o {
\ @[Q3.VX /// <summary>
,p#r; O<O /// 事件日志记录类,提供事件日志记录支持
o@7U4#E /// <remarks>
&YcOmI/MM
/// 定义了4个日志记录方法 (error, warning, info, trace)
'kco.
1{ /// </remarks>
"$aoI Xv /// </summary>
B,&QI&k`~ public class ApplicationLog
rLE+t(x(0 {
##}7cFX /// <summary>
A2;6Vz=z /// 将错误信息记录到Win2000/NT事件日志中
hu1ZckIw? /// <param name="message">需要记录的文本信息</param>
rL&Mq}7QK /// </summary>
jEwt1S V public static void WriteError(String message)
L`e19I$ {
:5.F WriteLog(TraceLevel.Error, message);
~@)s)K }
/[D_9 ?
|#dGk g /// <summary>
*G7cF /// 将警告信息记录到Win2000/NT事件日志中
YRCs&tgs /// <param name="message">需要记录的文本信息</param>
mU~&oU /// </summary>
N'-[>w7vK2 public static void WriteWarning(String message)
,tcUJ}l {
89;@#9 WriteLog(TraceLevel.Warning, message);
6Ol9P56j }
=Xg/[J% 0:>hK\F# /// <summary>
X:I2wJDs\ /// 将提示信息记录到Win2000/NT事件日志中
3Pllxq<n /// <param name="message">需要记录的文本信息</param>
hF$qH^-c*A /// </summary>
jd,i=P% public static void WriteInfo(String message)
~%C F3?e6 {
[0hahR WriteLog(TraceLevel.Info, message);
A)V*faD }
01n132k /// <summary>
Aq*?Q/pV /// 将跟踪信息记录到Win2000/NT事件日志中
:e nR8MS /// <param name="message">需要记录的文本信息</param>
@K+gh# /// </summary>
uo J0wG. public static void WriteTrace(String message)
f$6N {
7Xu# |k WriteLog(TraceLevel.Verbose, message);
zA8@'`Id }
1DhC,)+D}q d6ef)mw /// <summary>
vV*J;%MO /// 格式化记录到事件日志的文本信息格式
)XGz#C_P /// <param name="ex">需要格式化的异常对象</param>
Lt=32SvTn /// <param name="catchInfo">异常信息标题字符串.</param>
\/?J)k3H. /// <retvalue>
Rw%?@X3m] /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
l_yF;5|?z /// </retvalue>
u '/)l} /// </summary>
Nh_\{
&r public static String FormatException(Exception ex, String catchInfo)
fK+
5 {
pjX= :K| StringBuilder strBuilder = new StringBuilder();
KYtCN+vsG if (catchInfo != String.Empty)
C}pm>(F~ {
<R;wa@a> strBuilder.Append(catchInfo).Append("\r\n");
_^NaP }
QnD8L.Dg strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
_@!vF,Wcf return strBuilder.ToString();
abm 3q!a- }
Um6}h@> lZ.lf.{F /// <summary>
@ci..::5 /// 实际事件日志写入方法
"C\yM{JZ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
FRZ]E)9Z]b /// <param name="messageText">要记录的文本.</param>
{_\cd.AuT /// </summary>
oKCy,Ot< private static void WriteLog(TraceLevel level, String messageText)
/\b*
oPWJ {
*jbPy?%oY try
!5C"`@}q> {
2dkWzx EventLogEntryType LogEntryType;
aEvbGo switch (level)
)LIn1o_, {
&
]]l0B case TraceLevel.Error:
)J> dGIb LogEntryType = EventLogEntryType.Error;
1 =C12 break;
2/folTR7 case TraceLevel.Warning:
)!\6 "{ LogEntryType = EventLogEntryType.Warning;
N+B!AK0. break;
v-d"dC` case TraceLevel.Info:
SFd_k9 LogEntryType = EventLogEntryType.Information;
){w{# break;
gqy>;A:kO case TraceLevel.Verbose:
fc8ODk*;E LogEntryType = EventLogEntryType.SuccessAudit;
k|?[EWIi^ break;
3&7? eO7* default:
VGD~) z57 LogEntryType = EventLogEntryType.SuccessAudit;
*oz#YGNm break;
XLCqB|8`V }
Z>bNU _!qD/[/ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
|
U"fhG=g //写入事件日志
EI6kBRMo eventLog.WriteEntry(messageText, LogEntryType);
su%-b\8K GI/NouaNfm }
,++HiYOG}e catch {} //忽略任何异常
8R!-,I"$ }
0VtjVz*C7& } //class ApplicationLog
Q|h$D~ }
zpT^:Ag n19A>,m 12.Panel 横向滚动,纵向自动扩展
GHd1?$ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
^ExuIe hE5?G; 13.回车转换成Tab
} SWp~3P <script language="javascript" for="document" event="onkeydown">
5~?6]=hl if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
$j\>T@ event.keyCode=9;
QrK%DN </script>
B
os`+Y .Iqqjk onkeydown="if(event.keyCode==13) event.keyCode=9"
xm1di@ j67ppt 14.DataGrid超级连接列
ah,f~.X_| DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
$M,<=.oT SDO:Gma 15.DataGrid行随鼠标变色
go AV+V7 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
4~h0/H" {
(9I(e^@] if (e.Item.ItemType!=ListItemType.Header)
q9rm9#}[J# {
FsJk"$} e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
3`%E;?2 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
%'s_=r` }
CO@G%1# }
YZ+G7D> AZc=Bbh 16.模板列
By8SRWs <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
;!S5P( <ITEMTEMPLATE>
U'ctO% <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
2K};-}eW </ITEMTEMPLATE>
<hCO-r# </ASP:TEMPLATECOLUMN>
n]$rLm%^ VtI`Qcjc <ASP:TEMPLATECOLUMN headertext="选中">
[(x*!,= <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
4h|*r ! <ITEMTEMPLATE>
g]: [^p <ASP:CHECKBOX id="chkExport" runat="server" />
hQ<7k'V </ITEMTEMPLATE>
=bC' >qw} <EDITITEMTEMPLATE>
/7#e <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
T^|k` </EDITITEMTEMPLATE>
AaA!U!B </ASP:TEMPLATECOLUMN>
{24>&<p }W}( k2r 后台代码
l $\2|D protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
v:4j3J$z {
; >H1A //改变列的选定,实现全选或全不选。
CYy=f- CheckBox chkExport ;
-_t4A * if( CheckAll.Checked)
8bdO-LJ9 {
R&.&x'< foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0}NDi|o {
mP
}<{oh`x chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Y,0Z&6 < chkExport.Checked = true;
2H.g!( Oza }
lL:!d.{ }
4E 5;wH else
M{G}-QK_. {
U&BCd$ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
/Z:NoTGn {
w6!97x chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
uthW
AT & chkExport.Checked = false;
)m;*d7l~p }
P1rjF:x[* }
zw15r" R }
9!X3Cv|+L B_ict)}ld 17.数字格式化
>eG<N@13p p2 1| 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
a`xAk^w+ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
#tu>h GB Yy^wjU int i=123456;
Og% Y._ string s=i.ToString("###,###.00");
(o B4* =9ff983 18.日期格式化
:<zIWje [G$ #jUt/O 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Wx]Xa]- #'1dCh
vZ 显示为: 2004-8-11 19:44:28
SZe55mK ` xkRMg2X.>9 我只想要:2004-8-11 】
k/{WlLN <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
1}la)lC *V',@NH#Os 应该如何改?
xSD*e 0
1-E6ACq 【格式化日期】
Wr b[\
?- 8_4!Ar>2 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
G!$~'o%/ %k4Qx5`?d 【日期的验证表达式】
[pTdeg;QE b]z_2h~` A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
/jJD
{ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
'u v=D +_fFRyu> B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
#d,)Qe[ ^\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]))$
YRVh[Bqg` qI7KWUR 【大小写转换】
j
H2)8~P HttpUtility.HtmlEncode(string);
RD[P|4eY HttpUtility.HtmlDecode(string)
Jfr'OD2$ % nu+K
N,3R" 19.如何设定全局变量
?SgFD4<~P lfDd%.:q4S Global.asax中
&v .S_Ym 1ygEyC[1 Application_Start()事件中
:5/Ue,~ag btEyvqs~X 添加Application[属性名] = xxx;
?[ )}N
_o# >&;J/ME 就是你的全局变量
2{=D)aC$f id9QfJ9t 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
|x1OWm1:< I"czo9Yspd HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
;&J>a8B$ ,V
52Fj 【ASPNETMENU】点击菜单项弹出新窗口
<jJ'T?,
05ClPT\BCr 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
`Z,WKus <?xml version="1.0" encoding="GB2312"?>
]*| hd/j <MenuData ImagesBaseURL="images/">
K!CVS7 <MenuGroup>
3v_j*wy <MenuItem Label="内参信息" URL="Infomation.aspx" >
wnd
#J ` <MenuGroup ID="BBC">
3G4WKg.^ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
LAk
.f <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
xwsl$Rj ......
zNo,PERG s:6K'* 最好将你的aspnetmenu升级到1.2版
3HtM<su*h %TN$ 21.读取DataGrid控件TextBox值
iWjNK"W foreach(DataGrid dgi in yourDataGrid.Items)
S>x@9$( ym {
yWRIh*>nE TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
\m)s"Sh. tb.Text....
BTr
oe=R }
A nl1+ ]*a(^*}A% 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
0O'M^[=d.8 -'miM ~kG[ 〖思归〗
%_:L_VD@ <asp:TemplateColumn HeaderText="数量">
19GF%+L
, <ItemTemplate>
<$?#P#A <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
sT1OAK\^ onkeyup="javascript:DoCal()"
KtAEM;g />
*bpN!2 E7h@Y~bNhW <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
N:3=G`Ws </ItemTemplate>
Pn^:cr| </asp:TemplateColumn>
[p'2#Et 51eZf JB <asp:TemplateColumn HeaderText="单价">
BKTTta1mY <ItemTemplate>
Cw:|(`9 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
~_;.ZZ-H] onkeyup="javascript:DoCal()"
YkF LNCg4} />
>)Qq^?U 66>X$nx(z <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
+?6]Vu&|f SPb`Q" </ItemTemplate>
g~21|Sa$[ </asp:TemplateColumn>
pSQ2wjps qdk!.A{ <asp:TemplateColumn HeaderText="金额">
Vr1r2G2 <ItemTemplate>
bl!pKOY <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
l5^Q </ItemTemplate>
Yl au </asp:TemplateColumn><script language="javascript">
W<&/5s function DoCal()
AUF[hzA {
do^=Oq07$ var e = event.srcElement;
c[M4l var row = e.parentNode.parentNode;
JQ}4{k var txts = row.all.tags("INPUT");
]EF"QLNN( if (!txts.length || txts.length < 3)
'uz o[>p return;
:I?lT2+ea *j(fk[,i var q = txts[txts.length-3].value;
,DHH5sDCn var p = txts[txts.length-2].value;
(&*Bl\YoX ;FwUUKj if (isNaN(q) || isNaN(p))
pR0!bgC return;
> Q=e9L= 9mtndTT 5u q = parseInt(q);
kygj" @EX p = parseFloat(p);
E5S(1Z}]p{ _\dC<K *> txts[txts.length-1].value = (q * p).toFixed(2);
[%LGiCU] }
tAjT-CXg </script>
p\~ a= 2vUcSKG7 &/' O?HWl M3KK^YRN Da! fwth 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。
2@_3V_ page_load
-[>J"l page.smartNavigation=true
\s8h.xjU KpG'E 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 ?
2 PPb private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Q!-"5PX {
[Ti' X# for(int i=0;i<e.Item.Cells.Count-1;i++)
}<2|6 { if(e.Item.ItemType==ListItemType.EditType)
oVUsI,8 {
b[&ri:AC e.Item.Cells.Attributes.Add("Width", "80px")
xZq, kP^ }
XH0Vs.w }
+c]D2@ctG B[&l<*O-y 26.对话框
fUq}dAs*K private static string ScriptBegin = "<script language=\"JavaScript\">";
U\{I09@E 0 private static string ScriptEnd = "</script>";
"{S4YA pIm ]WNX( public static void ConfirmMessageBox(string PageTarget,string Content)
WzdlrkD {
., thdqOO string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
rmX5-k YuoErP=P ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
9l&G2 o <#Fex'4 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
jtpk5 fJB ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
ept:<!4 //Response.Write(strScript);
{9@E[bWp# }
DB jUHirK \Ff]}4 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
]=|iO~WN `N7erM 1.1 取当前年月日时分秒
&8%^o9sH currentTime=System.DateTime.Now;
Iw$T'I+4W w3fD6$ 1.2 取当前年
JqN$B\J, int 年= DateTime.Now.Year;
NXOvC!< e \kR/<L 1.3 取当前月
](ztb) int 月= DateTime.Now.Month;
4Im}!q5;:< )OlYz!#? 1.4 取当前日
KJ-Q$
M int 日= DateTime.Now.Day;
'r^'wv] 0icB2Jm:D} 1.5 取当前时
JO87rG int 时= DateTime.Now.Hour;
s.Mrd~(Drz 03
v\v9<T 1.6 取当前分
"tK3h3/Xv int 分= DateTime.Now.Minute;
La^Zr,T! (hY^E(D 1.7 取当前秒
Jju?v2y` int 秒= DateTime.Now.Second;
5(\[Gke lm'.G99{ 1.8 取当前毫秒
?K.!^G int 毫秒= DateTime.Now.Millisecond;
1Ji"z>H* at3YL[,[Z 28.自定义分页代码:
#TP Y%
G0r(xP? 先定义变量 :
,5sv; public static int pageCount; //总页面数
BIvz55g public static int curPageIndex=1; //当前页面
Y(R],9h8 `lO/I+8 下一页:
Y k"yup@3 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
\\"CgH- {
.=
8Es# DataGrid1.CurrentPageIndex += 1;
!\&4,l( curPageIndex+=1;
H/G;hk }
3bugVJ93 )4+uM'2% bind(); // DataGrid1数据绑定函数
."q8 YaW
q,'~=Y5 上一页:
D t]FmU if(DataGrid1.CurrentPageIndex >0)
Hc
q@7g {
HOPsp DataGrid1.CurrentPageIndex += 1;
=4x-x nA curPageIndex-=1;
LGCeYXic }
%ZlnGr y2C/DyuAY| bind(); // DataGrid1数据绑定函数
\g@jc OKU L\<J|87p? 直接页面跳转:
Y7yzM1?t int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
@qsOWx`l$ hP1;$ if(a<DataGrid1.PageCount)
C4C!-12 {
pq5bK0NQ this.DataGrid1.CurrentPageIndex=a;
l%xeM!} }
sy9Yd PPE Y9(BxDP_+Y bind();
ewinG-hX_ t2%gS"
[ 29.DataGrid使用:
*\wf(o>Q K;f=l5 添加删除确认:
A`b
)7+mB private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
}% ?WS {
9**u\H)P6 foreach(DataGridItem di in this.DataGrid1.Items)
D_cd
l^ {
R2[
} if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
gkv,Om {
e}"k8 ./ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
1]jUiX=T }
E!>l@
ki }
6HR*)*>z_ }
]h&?^L<. z: W1(/W~ 样式交替:
IRDD
ListItemType itemType = e.Item.ItemType;
.rbKvd?-} =~QC)y_ if (itemType == ListItemType.Item )
hB*3Py27L {
>5]w\^QN9_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
"[]J[!}x e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
L2y{\<JC" }
mZ
t: else if( itemType == ListItemType.AlternatingItem)
C;!h4l7L {
P~*v}A e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
<Xj
,>2m; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
qS2]|7q?Tc }
xZ&S7G1