1. 打开新的窗口并传送参数:
i*j+<R@ JnJz{(c
传送参数:
k=_@1b- response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Cn '=_1p #m>mYp8E.5 接收参数:
HbVLL`06* string a = Request.QueryString("id");
k6S<46}h| string b = Request.QueryString("id1");
{ VO4""m iSHl_/I< 2.为按钮添加对话框
O!tD1^O!1} Button1.Attributes.Add("onclick","return confirm(’确认?’)");
T(F8z5s5 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
pM3BBF% -^DB?j+ 3.删除表格选定记录
(=9&"UH int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
L4b4X string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Y2EN!{YU OFv} jT 4.删除表格记录警告
'o L8Z private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
*2F}e4v {
IIkJ"Qg. switch(e.Item.ItemType)
~JpUO~i/ {
4aC#Cv:0 case ListItemType.Item :
|{T2|iJI case ListItemType.AlternatingItem :
bE~lc}% case ListItemType.EditItem:
':3KZ4/C TableCell myTableCell;
"Cb<~Dy myTableCell = e.Item.Cells[14];
jL SZ#H LinkButton myDeleteButton ;
pyKag;ZtP myDeleteButton = (LinkButton)myTableCell.Controls[0];
>Fz$DKr[ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
}|,y`ui\ break;
CggEAi~ default:
S J5kA` break;
{%
P;O ?
}
l_:%?4MA ^|Y!NHYH$Z }
6{M.S}.^ U^xFqJY6 5.点击表格行链接另一页
uyj5}F+O private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
EO5Vg {
|fUSq1// //点击表格打开
pPE4~g 05h if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=["GnL*!0 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
x-1[2K1"[ }
+ '`RJ,K+[ *4ID$BmO 双击表格连接到另一页
KvQ9R!V <*[(t;i 在itemDataBind事件中
*$QUE0 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
7P {
Z1Wra-g string OrderItemID =e.item.cells[1].Text;
~L2Fo~fw ...
yxH[uJpb e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
C
RNO4 }
vQ;Z 0_ 4
QWHGh" 双击表格打开新一页
-8]$a6`{_ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.FeEK( {
W+QI
D/ string OrderItemID =e.item.cells[1].Text;
DD1S]m ...
{0?76| e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
%:NI@59 }
!59q@Mya[ ZR1EtvVG ★特别注意:【?id=】 处不能为 【?id =】
6Pz\6DU,I 6.表格超连接列传递参数
d$!ibL#o <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
y=t
-/*K <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
mwt3EV5 FGC[yz1g: 7.表格点击改变颜色
Ae"B]Cxb_X if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
]]+"`t,- {
O?@AnkOhn e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
s^cHR1^ this.style.color=’buttontext’;this.style.cursor=’default’;");
[8ih-k }
o.,hCg)X "zugnim 写在DataGrid的_ItemDataBound里
?n}L+| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
c5JxKU_ {
>B==*,| e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
='(:fHhhX this.style.color=’buttontext’;this.style.cursor=’default’;");
C[75!F e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
#(OL!B }
.mMM]*e[0 WkT4&|POJ ;e+ErN`a.~ 8.关于日期格式
4XRVluD%W. a$ Z06j 日期格式设定
=cxjb,r DataFormatString="{0:yyyy-MM-dd}"
SJ<nAX 0L'h5i>H) 我觉得应该在itembound事件中
O[!]/qP+. e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
4g|}]K1s FbF P 9.获取错误信息并到指定页面
(f7R~le &T{+B:*v 不要使用Response.Redirect,而应该使用Server.Transfer
yJ?6B LJi ~x2azY2DP e.g
YM-,L-HMA // in global.asax
-Wf 2m6t protected void Application_Error(Object sender, EventArgs e) {
aPRF if (Server.GetLastError() is HttpUnhandledException)
d+8Sypv^4* Server.Transfer("MyErrorPage.aspx");
z hS\|tI n;[d{bU //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
BPW2WSm@< }
HN\9d 0y*8;7-|r) 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
Uo# Pe@ieQ W 5-=,t 10.清空Cookie
3{CXIS Cookie.Expires=[DateTime];
p~qdkA< Response.Cookies("UserName").Expires = 0
MFRM M%` }}<^fM 11.自定义异常处理
s$A|>TOY //自定义异常处理类
+ps(9O/B> using System;
1jDN=hIl using System.Diagnostics;
/@:I\&{f'9 [&51m^ namespace MyAppException
m)V%l0 {
^I7iEv /// <summary>
arm26YA-, /// 从系统异常类ApplicationException继承的应用程序异常处理类。
X-=49) /// 自动将异常内容记录到Windows NT/2000的应用程序日志
fTMn /// </summary>
EW]rD public class AppException:System.ApplicationException
#V@[<S2 {
4PR!OB public AppException()
A|7%j0T {
idEhxvAo if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
/;
w(1)B }
13kl\<6 b-,4< H8m public AppException(string message)
f<<1.4)oSV {
+JsMYv LogEvent(message);
bZLY#g7L" }
-a !?% ka0MuQM public AppException(string message,Exception innerException)
uWkW T.>$ {
XU_gvz LogEvent(message);
f["c,,[ if (innerException != null)
^?}-x {
1N,</<" LogEvent(innerException.Message);
qx|~H'UuBN }
\(C6|-:GY }
UyENzK<%u ~6DaM! //日志记录类
&sJ -&7YZ using System;
mb,\ wZ using System.Configuration;
vhvFBx0 using System.Diagnostics;
}Y:V&4DW using System.IO;
%g: 6QS| using System.Text;
FN\*x:g using System.Threading;
Xh+;$2l.B QWcQtM namespace MyEventLog
Zjd9@ {
?k@^U9?R /// <summary>
Ir#]p9:x /// 事件日志记录类,提供事件日志记录支持
[>![ViX /// <remarks>
lha)4d /// 定义了4个日志记录方法 (error, warning, info, trace)
#x*\dL /// </remarks>
~bf4_5 /// </summary>
H%pD9'q~ public class ApplicationLog
2{|Z?3FJ^ {
SMonJ;Y /// <summary>
i]9C"Kw$L /// 将错误信息记录到Win2000/NT事件日志中
{^8?fJ/L /// <param name="message">需要记录的文本信息</param>
>jz9o9?8 /// </summary>
Y
\ Gx| public static void WriteError(String message)
Y O&@ {
OYSq)!: WriteLog(TraceLevel.Error, message);
V/`vX;% }
$7" Y/9Y /z!Tgs4 /// <summary>
!#d5hjoX
/// 将警告信息记录到Win2000/NT事件日志中
9fm9xTL /// <param name="message">需要记录的文本信息</param>
=WT&unw} /// </summary>
$Q"D>Qf{G public static void WriteWarning(String message)
1oe,>\\ {
+-C.E WriteLog(TraceLevel.Warning, message);
,?P< =M }
A3)"+`&PUl eSQkW /// <summary>
p4V* %A&w /// 将提示信息记录到Win2000/NT事件日志中
{]2^b ) /// <param name="message">需要记录的文本信息</param>
O uNPD q% /// </summary>
(n`]
sbx public static void WriteInfo(String message)
3\2%i6W6 {
C~egF=w WriteLog(TraceLevel.Info, message);
vJxEF&X }
rY6x):sC /// <summary>
793 15A /// 将跟踪信息记录到Win2000/NT事件日志中
XLC9B3Jt /// <param name="message">需要记录的文本信息</param>
![;={d0 /// </summary>
7HkFDI()1 public static void WriteTrace(String message)
Q,:{(R {
oUwo!n} WriteLog(TraceLevel.Verbose, message);
)X-'Q - }
]!ox2m_U VwpC UW /// <summary>
(?m{G Q /// 格式化记录到事件日志的文本信息格式
f-3CDUQ` /// <param name="ex">需要格式化的异常对象</param>
D%~tU70a /// <param name="catchInfo">异常信息标题字符串.</param>
.<zKBv /// <retvalue>
Lo3N)~5 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
?TeozhUY /// </retvalue>
ulxfxfd /// </summary>
2HtsSS#0Q public static String FormatException(Exception ex, String catchInfo)
9j|v
D {
4XNheP;b StringBuilder strBuilder = new StringBuilder();
P&sWn?q Ol if (catchInfo != String.Empty)
sEFQ8S {
j1KNgAo<4 strBuilder.Append(catchInfo).Append("\r\n");
-Y@tx fu- }
.6P.r} strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
wn.~Dx return strBuilder.ToString();
&EqLF }
Vf;&z$D{r gYhY1Mym /// <summary>
'g!T${ /// 实际事件日志写入方法
[K&%l]P7 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
5X20/+aT /// <param name="messageText">要记录的文本.</param>
uR ?W|a /// </summary>
(iX8YP$ % private static void WriteLog(TraceLevel level, String messageText)
&1$d`>fn {
X>8,C^~$1 try
8
MQq3 {
<%m YsaM EventLogEntryType LogEntryType;
>E>yA d switch (level)
xIGq+yd( {
?qNU*d case TraceLevel.Error:
Z1eT>6|]r LogEntryType = EventLogEntryType.Error;
pcy;]U? break;
Z^_qXerjP case TraceLevel.Warning:
T&lgWOls LogEntryType = EventLogEntryType.Warning;
bZ\R0[0 break;
C`hdj/!A case TraceLevel.Info:
Bn7uKa{P LogEntryType = EventLogEntryType.Information;
5tYo! f break;
HU'Mi8xxy case TraceLevel.Verbose:
5MVa;m LogEntryType = EventLogEntryType.SuccessAudit;
n9'3~qVZ break;
/K#k_k default:
&Q3Fgj LogEntryType = EventLogEntryType.SuccessAudit;
( zWBrCX break;
e$J>z { }
oX|T&"& CRK%^3g EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
i>YS%&O? //写入事件日志
qYC&0`:H eventLog.WriteEntry(messageText, LogEntryType);
N1$u@P{ h3o'T=`Sm }
8zp?WUb catch {} //忽略任何异常
=Kd'(ct }
0$*7lQ<a#M } //class ApplicationLog
AS7L }
'JOUx_@z Fw 0m(7 12.Panel 横向滚动,纵向自动扩展
X'`n>1z <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
/65YHXg, )9hqd 13.回车转换成Tab
J$#T_4 ) <script language="javascript" for="document" event="onkeydown">
"`>6M&`U if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
ON,[!pc event.keyCode=9;
@G4Z </script>
W_W !v&@E= .KrLvic onkeydown="if(event.keyCode==13) event.keyCode=9"
D0Dz@25- h.edb6 14.DataGrid超级连接列
ZSuoD$~k[ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
^&qK\m_A zjmoIE 15.DataGrid行随鼠标变色
tu\XuDky private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
b j&!$') {
Uu_qy(4 if (e.Item.ItemType!=ListItemType.Header)
uj8saNu {
if*V-$[I e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
2P"643tz e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
A(2 0+ }
0z>IYw|UB }
1CC0]pyHX bBi>BP= 16.模板列
hIV9 .{J <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
2u]G]:ml <ITEMTEMPLATE>
"S;4hO <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
"Hw%@]# </ITEMTEMPLATE>
Xh8U}w<k6 </ASP:TEMPLATECOLUMN>
1S?~c25=h x{pj`'J) <ASP:TEMPLATECOLUMN headertext="选中">
QNbZ) <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
2XR!2_)O5 <ITEMTEMPLATE>
TCp9C1Q4 <ASP:CHECKBOX id="chkExport" runat="server" />
mnA_$W3~I </ITEMTEMPLATE>
{,Z|8@Sl% <EDITITEMTEMPLATE>
1)~|{X+~ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
<WUgH6" </EDITITEMTEMPLATE>
g:!U,<C^a </ASP:TEMPLATECOLUMN>
|>ztx}\ n/v.U,f&l@ 后台代码
lat5n&RP Y protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
}1 O"?6 {
]WMzWt:L //改变列的选定,实现全选或全不选。
vv)q&,<c CheckBox chkExport ;
"~VKUvDu if( CheckAll.Checked)
,u}wW*?,sT {
y(DT^>0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
F > rr. {
.5\@G b.8 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;L$-_Z chkExport.Checked = true;
kI"9T`owR }
jGouwta }
MsI R ~ else
;gL{*gR]S {
"EpH02{i foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
]\rQ{No {
k;cIEEdZD chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
<oXBkCi0r chkExport.Checked = false;
Ko&4{}/ }
Yz;7g8HI }
8Y-*rpLy }
Z,p@toj' Ab[o~X" 17.数字格式化
A,&711Y '`;=d<' 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
-"zW"v)\ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
$%$zZJ@/ KC"S06 int i=123456;
8d$|JN;) string s=i.ToString("###,###.00");
h1?xfdvGd
kMW9UUw 18.日期格式化
[4xZy5V P$z%:Q 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
R1SFMI
bLS10^g5 显示为: 2004-8-11 19:44:28
eV%{XR?y k>i`G5Dh 我只想要:2004-8-11 】
xyo~p,(~t <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
*A`ZcO=
_N:$|O# 应该如何改?
xKUWj<+/ 8a)4>B 【格式化日期】
)a0l:jEOc #*rJI3 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
`oe=K{aX YFu>`w^Y 【日期的验证表达式】
gJp6ReZ# c|3oa"6T> A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
f6J]=9jU ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
\^0>h`[ Ge({sy>X B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
<BT18u\ ^\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]))$
=RXeN+
&R DZmVm['l 【大小写转换】
a~@f,bw HttpUtility.HtmlEncode(string);
=\u,4 HttpUtility.HtmlDecode(string)
R|}4H*N A",}Ikh='` 19.如何设定全局变量
;F-
mt( Y lH?jqp Global.asax中
5nBJj %5+X Application_Start()事件中
4Th?q{X !"<rlB,J 添加Application[属性名] = xxx;
(X^,.qy $DfK}CT 就是你的全局变量
1!V[fPJ '/XP4B\(E 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
W$wX[ \z6UWZ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
9W(&g)` 4~A$u^scn 【ASPNETMENU】点击菜单项弹出新窗口
jmgkY)rb R AH/^v;- 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
KF(y`(8f <?xml version="1.0" encoding="GB2312"?>
ceJ#>Rj <MenuData ImagesBaseURL="images/">
Jlb{1B$7 <MenuGroup>
6/3E!8 <MenuItem Label="内参信息" URL="Infomation.aspx" >
(
./MFf <MenuGroup ID="BBC">
Q|+ a <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
xx1l Ecj <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
"(W;rl
......
Dz$w6d Oq% TW|a# 最好将你的aspnetmenu升级到1.2版
S'$m3,l(k ?(R# 21.读取DataGrid控件TextBox值
6&'kN2 foreach(DataGrid dgi in yourDataGrid.Items)
|S).,B {
ox<&T| TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
T#!% Uzz tb.Text....
x
~)~v?>T }
gloG_*W #r"|%nOfY 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?
oDD"h,Z q,#s m'S 〖思归〗
Opf)TAl{ <asp:TemplateColumn HeaderText="数量">
~.G$0IJY <ItemTemplate>
Op9 ^Eu%n <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
b"#S92R+ onkeyup="javascript:DoCal()"
@+zWLq!1pB />
x.t&NP^V) VFF5Tp <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
w+j\Py_G" </ItemTemplate>
Bi;a~qE </asp:TemplateColumn>
A9SL|9Q [S]q'c) <asp:TemplateColumn HeaderText="单价">
2+)h!y] <ItemTemplate>
3}phg <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Z/: yYSq onkeyup="javascript:DoCal()"
eJ<P />
=,ax"C?pR u=s,bt,"5 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
$$0<
& DC> R </ItemTemplate>
RJ0,7E<B </asp:TemplateColumn>
W!.FnM5x }oG6XI9 <asp:TemplateColumn HeaderText="金额">
iNi1+sm <ItemTemplate>
LzLJ6A>;R <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
]Z\ W%'q+ </ItemTemplate>
l}-k>fug </asp:TemplateColumn><script language="javascript">
ziO(`"v function DoCal()
G6>sAOf {
6A5.n?B{ var e = event.srcElement;
Rl0"9D87z var row = e.parentNode.parentNode;
dn])6Xl;i var txts = row.all.tags("INPUT");
Mi(6HMA.SF if (!txts.length || txts.length < 3)
?(B}w*G~ return;
9cN@y<_I cy
mC?8< var q = txts[txts.length-3].value;
OPq|4xu var p = txts[txts.length-2].value;
,Iz9!i
J" *wmkcifF; if (isNaN(q) || isNaN(p))
("}Hs[ return;
\pK&gdw `g(#~0R q = parseInt(q);
4mp)v*z p = parseFloat(p);
=&"pG`x # Dgkl txts[txts.length-1].value = (q * p).toFixed(2);
fM]nP4K` }
x%@M*4:& </script>
2w1Mf<IXPo b9i_\ g]44|9x(W OraT$lV)_ r/NaoIrJV 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
x2I|iA = page_load
B$JPE7h@[P page.smartNavigation=true
FO!0TyQ Dqwd=$2% 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
SV ~QH&0' private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
g9g ]X {
BBX/ &d8n for(int i=0;i<e.Item.Cells.Count-1;i++)
Z(4/;v <CT if(e.Item.ItemType==ListItemType.EditType)
c"`HKfL {
(qc<'$o e.Item.Cells.Attributes.Add("Width", "80px")
5B8/"G }
$`0^E#Nl }
p.4Sgeh# {#z47Rz 26.对话框
|yOIC,5[JW private static string ScriptBegin = "<script language=\"JavaScript\">";
5$Kv%U private static string ScriptEnd = "</script>";
60>g{1] %(?;` public static void ConfirmMessageBox(string PageTarget,string Content)
E:\#Ur2 {
Z
*l&<q># string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
5c%Fb:BW= )Rk(gd ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Td^62D; g;o5m} Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
w[QC ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
+['1~5 //Response.Write(strScript);
T|YMU?4 }
4_CXs.v1 8193d%Wb 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
UAI'tRYN_ Uul5h8F 1.1 取当前年月日时分秒
Lq@uwiq! currentTime=System.DateTime.Now;
),
VF] 9Z 6 1.2 取当前年
l0',B*og int 年= DateTime.Now.Year;
0Y~5|OXJ V2 ;? 1.3 取当前月
E`wq`g`H< int 月= DateTime.Now.Month;
[*ug:PG #iD`Bg!VXc 1.4 取当前日
j{ri]?p int 日= DateTime.Now.Day;
+rrA>~
a(`"qS 1.5 取当前时
#N97 int 时= DateTime.Now.Hour;
v)zxQuH]^ ;Q5o38( 1.6 取当前分
'J0Ea\,if0 int 分= DateTime.Now.Minute;
>8`;SEnv NeewV=[% 1.7 取当前秒
h)r=+Q\'(S int 秒= DateTime.Now.Second;
=$kSn\L, [F27i#'I] 1.8 取当前毫秒
u@4khN:
^p int 毫秒= DateTime.Now.Millisecond;
vcOw`oS /)Weg1b 28.自定义分页代码:
}hc+ENh d8^S~7 先定义变量 :
Qz<i{r-z public static int pageCount; //总页面数
$cO-+Mr-~ public static int curPageIndex=1; //当前页面
[Z]CBEE j'SGZnsy* 下一页:
<Um 5w1 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
v +?'/Q% {
k,/2]{#53d DataGrid1.CurrentPageIndex += 1;
R8j\CiV17 curPageIndex+=1;
+DSZ(Zb4qY }
@`SlOKz!= 5%fR9?) bind(); // DataGrid1数据绑定函数
o<Rrr, XE:bYzH 上一页:
xZMAX}8 v if(DataGrid1.CurrentPageIndex >0)
)EsFy6K: {
"!o|^nN, DataGrid1.CurrentPageIndex += 1;
S"Ag7i curPageIndex-=1;
n1y*`5! }
wqt/0,\ R+=Xr<`%U| bind(); // DataGrid1数据绑定函数
l27J Lyjp 直接页面跳转:
-
SCFWc int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Ec!R3+ *,XT;h$'> if(a<DataGrid1.PageCount)
ENZYrWl
{
&WVRh=R this.DataGrid1.CurrentPageIndex=a;
>% E=l }
*iVv(xXgN <TEDs4
C bind();
8H{9 8-Z|$F" 29.DataGrid使用:
<IQ}j^u-F d((,R@N' 添加删除确认:
E@)9'?q private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
r
4+%9) {
-lI6!a^ foreach(DataGridItem di in this.DataGrid1.Items)
%T~LK=m {
+?C7(-U> if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
8wzQr2: {
5S%#3YHY2 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
}vX/55 }
n'<F'1SWv }
b5UIX Kim }
g;</ |Z pIvr*UzY 样式交替:
#D8u#8Dz ListItemType itemType = e.Item.ItemType;
' n "n; \.MPjD if (itemType == ListItemType.Item )
>m`<AynJ {
!4fT<V( e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Y^}c+)t e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
udX!R^8jE }
PWN$x`h g[ else if( itemType == ListItemType.AlternatingItem)
)9V8&, {
0d #jiG e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
qfB!)Y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
[hKt4]R }
SHUn<+/e `&o>7a; 添加一个编号列:
#9@UzfZAwT DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
[7=?I.\Cr7 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
E>x,$w<? %9`\7h7K for(int i=0;i<dt.Rows.Count;i++)
K}Rq<zW {
Z oQPvs7_ dt.Rows["number"]=(i+1).ToString();
jR mo9Bb2 }
&l