1. 打开新的窗口并传送参数:
-yNlyHv9 MomwX 传送参数:
;8 lfOMf response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
vW@=<aS Z Y8t8!{ytg 接收参数:
?:9"X$XR string a = Request.QueryString("id");
W\V.r$? v string b = Request.QueryString("id1");
sNFlKQ8)Q $<[79al# 2.为按钮添加对话框
4s
oJ.j8 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
E92-^YY button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
@IZnFHN ~pky@O#b 3.删除表格选定记录
)fAUum int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
l9"s>P U string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
ql~J8G9 %J-GKpo/S 4.删除表格记录警告
e&>2
n private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
F_P~x(X {
9+!hg'9Qn switch(e.Item.ItemType)
:[d9tm {
^xk'Z case ListItemType.Item :
K)iF>y|{*q case ListItemType.AlternatingItem :
MiX 43Pk] case ListItemType.EditItem:
4Wp=y TableCell myTableCell;
uhq8 myTableCell = e.Item.Cells[14];
,<X9 Y2B LinkButton myDeleteButton ;
|6y myDeleteButton = (LinkButton)myTableCell.Controls[0];
Rf% a'b myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
"$vRMpW: break;
0<*<$U default:
Vi|#@tC' break;
?Z} &EH }
EKN~H$. HjwE+: w }
b7ZSPXV NwfVL4Xg 5.点击表格行链接另一页
tO&^>&;5 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
DVeE1Q {
2B`JGFcdcB //点击表格打开
\GU<43J2uo if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
b\5F ]r e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
!bP@n }
{K!)Ss V28M lP 双击表格连接到另一页
yIE!j%u z0Z%m@ 在itemDataBind事件中
7-V/RChBm if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!p/goqT~dY {
0tJZ4(0 string OrderItemID =e.item.cells[1].Text;
tT._VK]o&R ...
BFt> 9x]T e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
o#N+Y?O }
c+GG\:gM 6wg^FD_Q 双击表格打开新一页
-I%5$`z if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
rSNi@; {
c[s4EUG string OrderItemID =e.item.cells[1].Text;
(w zQ2Dk ...
#rg6,.I)< e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
{\\Tgs }
U%/+B]6jP '0,^6'VWOV ★特别注意:【?id=】 处不能为 【?id =】
f,Ghb~y 6.表格超连接列传递参数
!TcJ)0
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
bN=P*hdf <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
[PbOfxxgA $Z>'Jp 7.表格点击改变颜色
7PF%76TO if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
A<fG}q1# {
8l">cVo]T e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
[.}oyz;}N this.style.color=’buttontext’;this.style.cursor=’default’;");
;O#>Y }
T6kdS]4- . 'yCw#f 写在DataGrid的_ItemDataBound里
$`'/+x"% if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^/k*h J{ {
>5
BJ3Hf e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
d0 /#nz this.style.color=’buttontext’;this.style.cursor=’default’;");
Z #m+ObHK1 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
(Awm9|.{+ }
G]aOHJ:. t3^&;&[ U`s{Jm 8.关于日期格式
V^~:F
W!(LF7_! 日期格式设定
>KKMcTOYY DataFormatString="{0:yyyy-MM-dd}"
&Hnz8Or! FE;x8(;W8 我觉得应该在itembound事件中
uvS)8-o&F e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
E<*xx#p wUM0M?_p[ 9.获取错误信息并到指定页面
,"0:3+(8; Q=dy<kg'] 不要使用Response.Redirect,而应该使用Server.Transfer
>`D:-huNeE ?Ss!e$jf e.g
]J]h#ZHx // in global.asax
PmM3]xVzd protected void Application_Error(Object sender, EventArgs e) {
2b8L\$1q if (Server.GetLastError() is HttpUnhandledException)
Jfl!#UAD|n Server.Transfer("MyErrorPage.aspx");
+qdEq_m <=C?e<Y //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
@=f\<"$vt }
3irl
(;v '/%H3A#L Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
H" 7u7l =H]@n|$( 10.清空Cookie
2I{"XB Cookie.Expires=[DateTime];
Oa>Ppldeg Response.Cookies("UserName").Expires = 0
caX<
n>
h!9ei6 11.自定义异常处理
_u9Jxw?F@Y //自定义异常处理类
}l9llu using System;
]
@fk] ]R using System.Diagnostics;
|(^PS8wG f6"Z'{j namespace MyAppException
UkGCyGyZ[ {
{BU;$ /// <summary>
w@fi{H(R /// 从系统异常类ApplicationException继承的应用程序异常处理类。
IEvdV6{K /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Jj%K=sw /// </summary>
""~ajy public class AppException:System.ApplicationException
Yu2Bkq+ {
ht}wEvv public AppException()
jZrq{Z< {
~WV"SaA)*U if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
&PtJ$0%q }
"@8li^ IMONgFBS public AppException(string message)
'@P^0+B!(. {
y1L,0 ] LogEvent(message);
+m,yA mEEd }
2^yU ~`# iO;
7t@]- public AppException(string message,Exception innerException)
,~W|]/b<q {
FJ?IUy 6 LogEvent(message);
%ULr8)R;
if (innerException != null)
Dv`c<+q(# {
SMK_6?MZ LogEvent(innerException.Message);
e\75:oQ }
;i:d+!3XwC }
RViuJ; q'MZ R'<@ //日志记录类
;gr9/Vl using System;
IIx#2r using System.Configuration;
uY'HT|@:{ using System.Diagnostics;
^K@C"j?M/ using System.IO;
@U}1EC{A using System.Text;
H}
g{Cr"Ex using System.Threading;
|LKXOU
c DM>eVS3} namespace MyEventLog
VVOd]2{ {
3sZ\0P} /// <summary>
,s;UfF /// 事件日志记录类,提供事件日志记录支持
xKp4*[}m /// <remarks>
=_u4=4 /// 定义了4个日志记录方法 (error, warning, info, trace)
3=ymm^ /// </remarks>
u> 7=AlWF- /// </summary>
VyGJ=[ ] public class ApplicationLog
N ZSSg2TX# {
0:d_Yv,D /// <summary>
:*\P n!r /// 将错误信息记录到Win2000/NT事件日志中
bA->{OPkT /// <param name="message">需要记录的文本信息</param>
GR32S=\ /// </summary>
Yg1X public static void WriteError(String message)
/&94 eC {
,zY$8y] WriteLog(TraceLevel.Error, message);
'uEl~> l7 }
#>+ HlT Y:a]00&)#Y /// <summary>
H7:] ]j1 /// 将警告信息记录到Win2000/NT事件日志中
]OzUGXxo~ /// <param name="message">需要记录的文本信息</param>
pyvSwD5t /// </summary>
HyWCMK6b public static void WriteWarning(String message)
h.t-`k7 {
E< fV Z, WriteLog(TraceLevel.Warning, message);
\)|hogI|f }
!C:$?oU |$b}L7_ /// <summary>
ekCC5P! /// 将提示信息记录到Win2000/NT事件日志中
#;nYg?d= /// <param name="message">需要记录的文本信息</param>
[cp+i^f /// </summary>
XpJ7o=?W3 public static void WriteInfo(String message)
n?Nt6U {
aw42oLk WriteLog(TraceLevel.Info, message);
}`~+]9< }
D,FkB"ZZE /// <summary>
BThrO d /// 将跟踪信息记录到Win2000/NT事件日志中
?5
7Sk+ /// <param name="message">需要记录的文本信息</param>
I2 P@L?h /// </summary>
o`*,|Nsq public static void WriteTrace(String message)
D}X\Ca"h {
8-77d^cprR WriteLog(TraceLevel.Verbose, message);
'Qe;vZ31K }
kPLxEwl W6/yn /// <summary>
D>tR- /// 格式化记录到事件日志的文本信息格式
Y0-n\| /// <param name="ex">需要格式化的异常对象</param>
@I!0-OjL /// <param name="catchInfo">异常信息标题字符串.</param>
)Z9>$V$j /// <retvalue>
,01"SWE /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
N<injx /// </retvalue>
e**qF=HCw /// </summary>
\P`hq^; public static String FormatException(Exception ex, String catchInfo)
>\3V a {
&KRX[2 StringBuilder strBuilder = new StringBuilder();
~IN>3\j if (catchInfo != String.Empty)
c\ l kD-\ {
]GQG~H^ strBuilder.Append(catchInfo).Append("\r\n");
Q$@I"V&G. }
"1M[5\Ax strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
B_m8{44zM return strBuilder.ToString();
6j LCU%^ }
9mTJ|sN:e hZ /// <summary>
'(|ofJe! /// 实际事件日志写入方法
_zi| /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
WEi2=3dV /// <param name="messageText">要记录的文本.</param>
0Z{ZO*rK /// </summary>
~FG]wNgS private static void WriteLog(TraceLevel level, String messageText)
nc|p ) {
G*P#]eO try
X_\otVh(D {
'16b2n+F@# EventLogEntryType LogEntryType;
'$%l7 switch (level)
,1o FPa{? {
._{H~R| case TraceLevel.Error:
%Y*Ndt 4 LogEntryType = EventLogEntryType.Error;
wcY?rE9 break;
#'9HU2 case TraceLevel.Warning:
}Ud*TOo ` LogEntryType = EventLogEntryType.Warning;
_>X+ZlpU: break;
0^K"> case TraceLevel.Info:
rCdu0 gYT LogEntryType = EventLogEntryType.Information;
b2&0Hx break;
vnZC,J ` case TraceLevel.Verbose:
U|Ta4W`k\ LogEntryType = EventLogEntryType.SuccessAudit;
ZX./P0 break;
`&c kZiq default:
.5ha}=z LogEntryType = EventLogEntryType.SuccessAudit;
{[?(9u7R break;
1NA.nw. }
J]pir4&j N U` EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
i6Emhji //写入事件日志
CdjI` eventLog.WriteEntry(messageText, LogEntryType);
&Ys<@M7E: C1 GKLl~ }
JYbL?N catch {} //忽略任何异常
Vb]=B~ ^` }
[%1CRk } //class ApplicationLog
%2V? ,zY@ }
K^<BW(s +}os&[S 12.Panel 横向滚动,纵向自动扩展
Q:d]imw!O <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
0[?Xxk}s0 ?QdWrE_
13.回车转换成Tab
aQ\$A`? <script language="javascript" for="document" event="onkeydown">
:(*V?WI if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
K:#I event.keyCode=9;
a'yK~;+_9 </script>
\\B(r XYOC_.f1 onkeydown="if(event.keyCode==13) event.keyCode=9"
VY=jc~c]v h^(*Tv-! 14.DataGrid超级连接列
CU2*z(]& DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
_H7x9
y= #( 146 15.DataGrid行随鼠标变色
N)\. [v private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ra
g Xn {
O`t&ldU if (e.Item.ItemType!=ListItemType.Header)
fdi\hg^x {
,w:U#r~s" e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
eF-."1 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
!9VY|&fHe }
. ~~T\rmI }
"CQa.% 7CURhDdk 16.模板列
m'=Crei <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
uGK.\PB$ <ITEMTEMPLATE>
F8,RXlGfA[ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
,G?WAOy, </ITEMTEMPLATE>
lE(HFal0-( </ASP:TEMPLATECOLUMN>
/dI&o,sA YWO)HsjP <ASP:TEMPLATECOLUMN headertext="选中">
bI9~jWgGp <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
TpwkD_fg <ITEMTEMPLATE>
^7WN{0 <ASP:CHECKBOX id="chkExport" runat="server" />
kxIF#/8 </ITEMTEMPLATE>
aP@N)" <EDITITEMTEMPLATE>
[uN?
~lp\% <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
>7T'OC </EDITITEMTEMPLATE>
h_3E)jc </ASP:TEMPLATECOLUMN>
0#Y5_i|p 3J|F?M"N7 后台代码
nRZ]z( b protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
8COGsWK {
,~@X{7U //改变列的选定,实现全选或全不选。
RmeD$>7 CheckBox chkExport ;
SBk4_J/_ if( CheckAll.Checked)
k:#!zK} {
ep)n_!$OH" foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
u5b|#&-mX {
GdxnpE chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
S3*`jF>q chkExport.Checked = true;
/cQueUME` }
+RM SA^ }
i0kak`x0 else
}t=!(GOb} {
}9# r0Vja foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
ub#a` {
CMG&7(MR chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
}Gm>`cw- chkExport.Checked = false;
S8wLmd> }
DIfaVo/" }
^]0Pfna+N }
:tB1D@Cb6 iDz++VNV 17.数字格式化
Sc1 8dC0 gpvYb7Of0 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
kY|utoAP <%#Container.DataItem("price","{0:¥#,##0.00}")%>
H.|#c^I (Ag16 int i=123456;
FF(#]vz ' string s=i.ToString("###,###.00");
`O!X(( /hH 18.日期格式化
lH x^D;m6 Kp~VS<3 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
SpLzm A rv^@, 8vq 显示为: 2004-8-11 19:44:28
n&;85IF1 TA`1U;c{n 我只想要:2004-8-11 】
HIR~"It$
<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
bz2ztH9 n i$:*Pb3mV 应该如何改?
v6M6>&RR| Vl/+;6_ 【格式化日期】
d *|Y
o L~rBAIdD 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
vrhT<+q +_?hK{Ib" 【日期的验证表达式】
8:c-k|CX ]}-7_n#cC A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
rq/yD,I, ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
r6MMCJ|G ;4^Rx B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
kHghPn?8] ^\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]))$
2G67NC?+ RXpw! 【大小写转换】
rb2S7k0{ HttpUtility.HtmlEncode(string);
o WrKM HttpUtility.HtmlDecode(string)
tqvN0vY5 D9CaFu 19.如何设定全局变量
J6s`'gFns t7dt*D_YqK Global.asax中
4n!aW?% .9 on@S Application_Start()事件中
z0p*Z& X<` 添加Application[属性名] = xxx;
6Z6'}BDP 1EO7H{E= 就是你的全局变量
pMx*F@&nU I {S;L 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
0[NZ>7wqMZ M=.n7RY- HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
<CYd+! ( j^j1 【ASPNETMENU】点击菜单项弹出新窗口
\:# L) qPX~@^`9 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
fo*2:?K& <?xml version="1.0" encoding="GB2312"?>
H1pO!>M <MenuData ImagesBaseURL="images/">
=)H.cuc <MenuGroup>
w(*vj <MenuItem Label="内参信息" URL="Infomation.aspx" >
5,Jp[bw{H{ <MenuGroup ID="BBC">
c)TPM/>(p <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
*v
jmy/3 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
2\A$6N;_ ......
Ja7R2-0ii# DkY4MH? 最好将你的aspnetmenu升级到1.2版
|"X*@s\' xaq-.IQAM$ 21.读取DataGrid控件TextBox值
8rnwXPBN foreach(DataGrid dgi in yourDataGrid.Items)
N_kMK {
7u -p%eq2 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Z58X5" tb.Text....
(Ft+uuG }
jiV<+T? ^EtMxF@D 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?
k2omJ$?v VuhGx:Xl 〖思归〗
*KZYv=s,u <asp:TemplateColumn HeaderText="数量">
M)J5;^[" <ItemTemplate>
9-VNp;V <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
-j#2}[J7 onkeyup="javascript:DoCal()"
iW]j9} t />
v}}F,c(f :}L[sl\R <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
ajbA\/\G; </ItemTemplate>
3Gp$a;g </asp:TemplateColumn>
acajHs [i21FX <asp:TemplateColumn HeaderText="单价">
9N#_(uwt <ItemTemplate>
a+[KI <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
*)$Uvw E onkeyup="javascript:DoCal()"
>a!/QMh />
CTB~Yj@d+ >Eyt17_H"n <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
^b4 9 )Ys x}vS Z </ItemTemplate>
vjbASFF0= </asp:TemplateColumn>
/wQy17g guq{#?} <asp:TemplateColumn HeaderText="金额">
mDA:nx%5< <ItemTemplate>
|k )=0mCz <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
}Sm(]y </ItemTemplate>
lK?uXr7^ </asp:TemplateColumn><script language="javascript">
?hZAxR\ function DoCal()
pz!Zs."f) {
2RVN\?s: var e = event.srcElement;
7X`g,b! var row = e.parentNode.parentNode;
0#7>o^2 var txts = row.all.tags("INPUT");
n*R])=F@c if (!txts.length || txts.length < 3)
YquI $PV _ return;
/QK6Rac- uanhr)Ys var q = txts[txts.length-3].value;
8l>?Pv var p = txts[txts.length-2].value;
6C1#/ bQzZy5, if (isNaN(q) || isNaN(p))
1jmjg~W return;
JK7G/]j+Ez lZd(emH@ q = parseInt(q);
7cuE7" p = parseFloat(p);
WA<v9#m \#8D>i?m txts[txts.length-1].value = (q * p).toFixed(2);
AVsDt2A }
euK5pA>L </script>
mxvp3t \ b<tNk]7 S*,17+6dV sf:,qD=z 3H'sHuK"X 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。
KaLzg5is page_load
Z\(q@3 C page.smartNavigation=true
-vAC"8)S AmUr.ofu 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 ?
rX U private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
[$ubNk;!z {
lB8-Z ow for(int i=0;i<e.Item.Cells.Count-1;i++)
:tc@2/>!O if(e.Item.ItemType==ListItemType.EditType)
I {SjlN}d {
")1:F> e.Item.Cells.Attributes.Add("Width", "80px")
o@_q]/Mh }
\,'m</o~, }
~T"Rw2vb H9Gh>u]} 26.对话框
RF?`vRZOe private static string ScriptBegin = "<script language=\"JavaScript\">";
sbfuzpg]* private static string ScriptEnd = "</script>";
O0*p0J F;Spi public static void ConfirmMessageBox(string PageTarget,string Content)
` _6C{<O {
H-!,yte string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
8v6(qBK vRTkgH#4l ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
v1#otrf ,X?{07gH Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
h,(26 y/s ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
CmWeY$Jb //Response.Write(strScript);
j}#w)M }
[DYQ"A=)d ]E{NNHK%2N 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
_kC-dEGf!y i9:C4',sw0 1.1 取当前年月日时分秒
!K#qe Y} currentTime=System.DateTime.Now;
a)!o @ b35fs]}u-6 1.2 取当前年
xEa\f[.An int 年= DateTime.Now.Year;
HRpte=`q f'F?MINJP 1.3 取当前月
tb 5`cube int 月= DateTime.Now.Month;
kx8G `](e:be} 1.4 取当前日
NYhB'C2 int 日= DateTime.Now.Day;
k<z)WNBf :S]\0;8] 1.5 取当前时
,10= int 时= DateTime.Now.Hour;
wC"FDr+ M+oHtX$ 1.6 取当前分
pP1|&`}ux int 分= DateTime.Now.Minute;
,S\CC{! S0$8@"~= 1.7 取当前秒
9FF0%*tGo int 秒= DateTime.Now.Second;
s$IDLs,WM B 5L2< 1.8 取当前毫秒
"mo?*
a$Sk int 毫秒= DateTime.Now.Millisecond;
>e
lJkq| )J=! L\ 28.自定义分页代码:
D2#ZpFp"h V( }:=eK 先定义变量 :
pG_;$8Hc public static int pageCount; //总页面数
k``_EiV4t public static int curPageIndex=1; //当前页面
yER(6V'\iQ >k|5Okq g 下一页:
]43/`FX if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
L]7=?vN=8 {
z>xmRs
DataGrid1.CurrentPageIndex += 1;
rDtY[ curPageIndex+=1;
K&u_R
}
1pVS&0W .C%<P"=J4h bind(); // DataGrid1数据绑定函数
D#aDv0b b\f
O8{k 上一页:
#x@$lc=k3 if(DataGrid1.CurrentPageIndex >0)
oueC {
7Y lchmd DataGrid1.CurrentPageIndex += 1;
WH%g(6w1j curPageIndex-=1;
cs48*+m }
_r#Z}HK ZT*ydln bind(); // DataGrid1数据绑定函数
'(6z.
toQ yHYsZ,GE 直接页面跳转:
`K"L /I9 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
v4<nI;Ux \Dm";Ay> if(a<DataGrid1.PageCount)
@ 6\I~s( {
'B$yo] this.DataGrid1.CurrentPageIndex=a;
SZ7:u895E }
?9vuuIE m<G,[Yc bind();
7jrt7[{ t
mntp 29.DataGrid使用:
wKh4|Ka j{ ]I]\=? 添加删除确认:
alJ)^OSIe private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2F;y;l% {
E#34Wh2z foreach(DataGridItem di in this.DataGrid1.Items)
_>?\DgjH {
k:i4=5^*GX if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
O;Rqv {
/A\8 mL8 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
'd0~!w }
810|Tj*U% }
=}^9 wP }
AD>e?u :]K4KFM 样式交替:
Z9E\,Ly ListItemType itemType = e.Item.ItemType;
3ZuZ/= !vi>U|rh if (itemType == ListItemType.Item )
D_ 2:k'4 {
]|pe>:gf' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
_oL?*ks e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
umBICC]CU }
W ~<^L\Lu else if( itemType == ListItemType.AlternatingItem)
u~N?NW Q {
iO$8:mxm0? e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Cl.x'v e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
[|wZ77\ }
n)/z0n!\ BU)U/A8iS 添加一个编号列:
wVXS%4|v DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
&<g|gsG` DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
f^ZRT@`O Rr$-tYy6 for(int i=0;i<dt.Rows.Count;i++)
Oxnp0 s {
FgnTGY} dt.Rows["number"]=(i+1).ToString();
t^-d/yKt0w }
Eh`7X=Z7E Ufj`euY DataGrid1.DataSource=dt;
m,28u3@r DataGrid1.DataBind();
;]puq _RYxD"my DataGrid1中添加一个CheckBox,页面中添加一个全选框
*-WpZGh private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
qx(xvU9 {
h
f)?1z4 foreach(DataGridItem thisitem in DataGrid1.Items)
mM~qBrwL {
@n/\L<