1. 打开新的窗口并传送参数:
&;s<dDQK ]'tJ
S] 传送参数:
4b=Gg response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
\KCWYi] ?&6Q%IUW1 接收参数:
J]dW1boT@ string a = Request.QueryString("id");
~?CS_B * string b = Request.QueryString("id1");
*.o"ZVl %{U"EZ]D! 2.为按钮添加对话框
5*Btb#: Button1.Attributes.Add("onclick","return confirm(’确认?’)");
`4skwvS= button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
p=vV4 C: 'aZASPn[ 3.删除表格选定记录
_\UIc;3Gl int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
l77'Lne string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
r,0@~;zA L$kgK# T 4.删除表格记录警告
oK$'9c5< private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
*y?[<2"$ {
$C$ub&D
~" switch(e.Item.ItemType)
js
-2"I {
[<Q4U{F case ListItemType.Item :
}Bi@?Sb case ListItemType.AlternatingItem :
B>, A(X& case ListItemType.EditItem:
e+{BJN
vz TableCell myTableCell;
~@@
Z|w myTableCell = e.Item.Cells[14];
W6i3Psjsw LinkButton myDeleteButton ;
qW3x{L$c myDeleteButton = (LinkButton)myTableCell.Controls[0];
m2Q$+p@ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
\+9;!VWhl break;
JL``iA default:
c@9##DPn break;
f]]f85 }
pr/'J!{^ Y0}4WWV }
i(Vm!Y82 8 ip^] 5.点击表格行链接另一页
`H"vR:~{ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
onib x^Fcd {
uRpBeH]Z" //点击表格打开
S2Vx e@b) if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
T6X}Ws " e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Cx,-_ }
b Ob
Nc !?b/-~o7S 双击表格连接到另一页
!vVT]k[N WGPD8. 在itemDataBind事件中
_N@(Y : if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
F<gMUDB {
/=@e &e string OrderItemID =e.item.cells[1].Text;
J
3B`Krh ...
H nd+l)ng e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
7gr^z)${J }
UBIIo'u 8jNOEM(0Y+ 双击表格打开新一页
,\x$q' if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
tpZ->)1 {
q~M2:SN@X string OrderItemID =e.item.cells[1].Text;
OT@yPG ...
%{"dP%|w4} e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
kIX)oD}c }
}jiK3?e 6bUl>4 ★特别注意:【?id=】 处不能为 【?id =】
^7^2D2[ 6.表格超连接列传递参数
j76%UG\Ga <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
K[]K53Nk <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
}/"4|U %/!+(7
D 7.表格点击改变颜色
<]'|$8&jY if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
WL:0R>0 {
c 6q/X* e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
"koo` J this.style.color=’buttontext’;this.style.cursor=’default’;");
z37Z%^ }
-;/
Y =Epq%,4nG 写在DataGrid的_ItemDataBound里
hkF^?AJ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
D J_DonO] {
M $uf:+F e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
A%n?} this.style.color=’buttontext’;this.style.cursor=’default’;");
ST%
T =_q e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
s??czM2O }
`2e_ L @,e8t BL ?BsH{QRYQ 8.关于日期格式
.1{l[[= W Eu4 &-i 日期格式设定
,J&9kYz DataFormatString="{0:yyyy-MM-dd}"
_D
JCsK| E-F5y 我觉得应该在itembound事件中
WUY,. 8 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Qt~B#R.
V ckWkZ
78\ 9.获取错误信息并到指定页面
I^:F)a: bRsc-Fz6 不要使用Response.Redirect,而应该使用Server.Transfer
`x2,;h!:)N & g$rrpTzv e.g
73)Ll"( // in global.asax
JhH`uA& protected void Application_Error(Object sender, EventArgs e) {
3.FR C if (Server.GetLastError() is HttpUnhandledException)
u#3)p Server.Transfer("MyErrorPage.aspx");
,5w]\z -=sf}4A //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Q1]Wo9j }
I=5dYq4 l i*68-n 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
PkO!'X ])UwC-l 10.清空Cookie
I*(1.%:m Cookie.Expires=[DateTime];
H`gb}?9R Response.Cookies("UserName").Expires = 0
f~R[&q+ A_i zSzC1 11.自定义异常处理
&~ y{'zoL //自定义异常处理类
*v&*% B using System;
}H2#H7!H using System.Diagnostics;
8JP6M!F# FJF3B)Va| namespace MyAppException
~QCA -Yud {
2`E!| X /// <summary>
.:[`j3s )Y /// 从系统异常类ApplicationException继承的应用程序异常处理类。
b}}y=zO|$ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
<p/MyqZf /// </summary>
M?R!n$N_ public class AppException:System.ApplicationException
:$2Yg[Zc3 {
MHFaSl public AppException()
3sb 5E]P {
xl9(ze if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
OGGSS&5tw }
fyrd`R (7L/eDMT public AppException(string message)
cd+^=esSO {
0-GKu d LogEvent(message);
{(!)P }
kF?S 2(vH 3>M.]w6{ public AppException(string message,Exception innerException)
SBz/VQ {
>>j+LRf* LogEvent(message);
i pwW%"6 if (innerException != null)
qw2)v*Fn {
XECikld> LogEvent(innerException.Message);
#@E(<Pu4` }
4]EvT=Ro }
>Fp&8p`am O{nC^`X //日志记录类
g}YToOs using System;
bOe<\Y$ using System.Configuration;
>]-<uT_ using System.Diagnostics;
p7$3`t6u using System.IO;
)tvc/)&A} using System.Text;
P8IRH#ED using System.Threading;
5Xj|:qz<( #w;;D7{@m namespace MyEventLog
Vf$1Sj w {
NZfd_? 3 /// <summary>
'QR4~`6I /// 事件日志记录类,提供事件日志记录支持
s&0*'^'O[S /// <remarks>
j3LNnZY /// 定义了4个日志记录方法 (error, warning, info, trace)
u]0!|Jd0 /// </remarks>
zu<>"5}] /// </summary>
:v#8O~ public class ApplicationLog
@ct#s:t {
2]3G1idB /// <summary>
c8q G\\t[ /// 将错误信息记录到Win2000/NT事件日志中
F'XlJ M /// <param name="message">需要记录的文本信息</param>
tI'e ctn /// </summary>
xY+A]Up|w public static void WriteError(String message)
/3s@6Ex}E {
pJn>oGeJ& WriteLog(TraceLevel.Error, message);
]o `4Z" }
7>
)l{7 HwM/}-t /// <summary>
leR"j /// 将警告信息记录到Win2000/NT事件日志中
418gcg6) /// <param name="message">需要记录的文本信息</param>
-CwWs~! /// </summary>
$6Z[|9W^A public static void WriteWarning(String message)
ah>Dqb* {
9T/<x-FD WriteLog(TraceLevel.Warning, message);
sI$:V7/! }
il7!} %![4d;Z%x /// <summary>
@YsL*zw /// 将提示信息记录到Win2000/NT事件日志中
4 #G3ew /// <param name="message">需要记录的文本信息</param>
[XxA.S)x3 /// </summary>
9 #:ue@) public static void WriteInfo(String message)
q4 $sc_0i {
NXi,5 WriteLog(TraceLevel.Info, message);
. rRc }
H&9wSG` /// <summary>
h%u?lW /// 将跟踪信息记录到Win2000/NT事件日志中
Sw[=S '(l /// <param name="message">需要记录的文本信息</param>
P^ by'b+zI /// </summary>
J09ZK8
hK public static void WriteTrace(String message)
*x5o=)Y {
,znL,%s WriteLog(TraceLevel.Verbose, message);
gl Li }
>
d^r">!, RBPYGu'6B /// <summary>
c'SM>7L /// 格式化记录到事件日志的文本信息格式
/1U,+g^O> /// <param name="ex">需要格式化的异常对象</param>
aQC7 V !v /// <param name="catchInfo">异常信息标题字符串.</param>
Qve`k<Cj" /// <retvalue>
K:C+/O /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
b\H/-7< /// </retvalue>
/oB K&r[( /// </summary>
Gtf1}UJC public static String FormatException(Exception ex, String catchInfo)
2 e) {
N%:D8\ qx StringBuilder strBuilder = new StringBuilder();
@i;L Za if (catchInfo != String.Empty)
2~+'vi {
s9=pV4fA~w strBuilder.Append(catchInfo).Append("\r\n");
O$YJku }
!P+~c0DF strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
=xl7vHn7 return strBuilder.ToString();
?NQD# }
6CCZda@ @
$9m>6V /// <summary>
*'s&/vEy /// 实际事件日志写入方法
+W!'B
r /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
WReYF+Uen /// <param name="messageText">要记录的文本.</param>
65 NWX8f} /// </summary>
J*/$ywI private static void WriteLog(TraceLevel level, String messageText)
E\W;:p,{A {
>I{4 try
P^i6MZ? {
l^)o'YS y EventLogEntryType LogEntryType;
HdDo switch (level)
!N@Yh"c {
w}fqs/)w case TraceLevel.Error:
"~B~{ _<j LogEntryType = EventLogEntryType.Error;
-(`K7T>D. break;
:+kg4v&r case TraceLevel.Warning:
6f<*1YR
F LogEntryType = EventLogEntryType.Warning;
7m vSo350 break;
\nn56o@eN case TraceLevel.Info:
8s\8`2= LogEntryType = EventLogEntryType.Information;
a>#d=. break;
=lw4 H_ case TraceLevel.Verbose:
9_I[o.q LogEntryType = EventLogEntryType.SuccessAudit;
Tey,N^=ek break;
Q5T(;u6 default:
Nu>sp,|A LogEntryType = EventLogEntryType.SuccessAudit;
+F#=`+V break;
BHIZHp }
17?NR\Q 7]R6 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
1==P.d( //写入事件日志
N4[B:n eventLog.WriteEntry(messageText, LogEntryType);
ayB=|*Q" wR`w@5,d }
ZP]2/;h catch {} //忽略任何异常
77Q4gw~2U }
]0at2 } //class ApplicationLog
s:qxAUi\/ }
x0N-[//YV n3-GnVC][ 12.Panel 横向滚动,纵向自动扩展
4+Li)A:4. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
p7?CeyZ-V T +|J19 13.回车转换成Tab
>"2\D|-/ <script language="javascript" for="document" event="onkeydown">
'US8"83 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
eWqVh[ event.keyCode=9;
b6rzHnl{ </script>
d|D'&&&c -;W\f<q] onkeydown="if(event.keyCode==13) event.keyCode=9"
G~Q*:m 8Iqk%n~( 14.DataGrid超级连接列
"RR./e)h DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
V{/)RZ/ I\F=s-VVY 15.DataGrid行随鼠标变色
q329z> private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
L~SrI{aYPf {
FcJ.)U if (e.Item.ItemType!=ListItemType.Header)
'Kt4O9=p {
ePIly)=X e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
9g<_JcN e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
,_e/a }
J7&.>y1% }
=X%R*~!#Of !/=9VD{U! 16.模板列
[5}cU{M <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
wd2P/y42;; <ITEMTEMPLATE>
W}<M?b4tP <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
"OlI-^y </ITEMTEMPLATE>
ys~p( </ASP:TEMPLATECOLUMN>
NUxAv= xl tOlzOBzR <ASP:TEMPLATECOLUMN headertext="选中">
9phD5b~j <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
~I8"l@H> <ITEMTEMPLATE>
q^T&A[hMPx <ASP:CHECKBOX id="chkExport" runat="server" />
ID{Pzmt- </ITEMTEMPLATE>
8O;rp(N.n <EDITITEMTEMPLATE>
hCOy\[2$ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
5Fl </EDITITEMTEMPLATE>
H8=vQy </ASP:TEMPLATECOLUMN>
/(WX!EEsB 4IGQ,RTB 后台代码
HC<BGIgL protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
\|b1s @c8 {
D{Jc+Q$ //改变列的选定,实现全选或全不选。
t"!8 CheckBox chkExport ;
3qV>TE]6, if( CheckAll.Checked)
%'D:bi5 {
4p/V6kr&r foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
@zq\z$ {
S3JygN* chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
dKN3ZCw*gF chkExport.Checked = true;
TnZc.
}
l,FG:"`Z@ }
SjNwT[.nr7 else
G+\~rl {
[XY:MUe
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
r)Mx.`d! {
3<1HqU chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
R;Ix<y{U chkExport.Checked = false;
Hhce:E@K }
b$$L]$q2 }
*Tlws }
/n<Ncf 9O0 17.数字格式化
j{Qbzczy, jW+VUF-t 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
hnfrnYH <%#Container.DataItem("price","{0:¥#,##0.00}")%>
QeOt;{_| 3vvFF]D5k int i=123456;
_`Yvfz3 string s=i.ToString("###,###.00");
#dn%KMo2r $BO}D 18.日期格式化
[7Kj$PB3 gWU(uBS 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
5GWM
)vrZg d9e H}#OY 显示为: 2004-8-11 19:44:28
JwG5#CFu^ e^l+#^fR 我只想要:2004-8-11 】
0 S`b;f <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
*MyS7< 5IF~]5s 应该如何改?
BX)cV W~@GK 【格式化日期】
%_X[{( =w>>7u$4 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
4@V <Suw B#V4 【日期的验证表达式】
m#}{"d&J
"lnk A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
+
1%^c(3 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
=jd=Qs IL pa> 2JF* B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
4>ce,*B1 ^\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]))$
HI`A;G] h/y} 【大小写转换】
AZ Lt'9UD HttpUtility.HtmlEncode(string);
2W-NCE%K)T HttpUtility.HtmlDecode(string)
:aFpz6< =rtA{g$)+ 19.如何设定全局变量
b+#~N>| @^4M~F% Global.asax中
}T*xT>p^3 M&\ ?)yG Application_Start()事件中
8J(zWV7 r #d i_V" 添加Application[属性名] = xxx;
?~y(--.t;T Cot\i\]jv 就是你的全局变量
(/P&;?j ke6cZV5w 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
hy`)]>9z~ (9q {J(44 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
|"E9DD]{ YGO 7lar 【ASPNETMENU】点击菜单项弹出新窗口
r#w_=h) )aA9z(x 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
50hh0!1 <?xml version="1.0" encoding="GB2312"?>
EF^=3 <MenuData ImagesBaseURL="images/">
#3[b|cL <MenuGroup>
o)D+qiA3U <MenuItem Label="内参信息" URL="Infomation.aspx" >
qN,FX#DP <MenuGroup ID="BBC">
%+W
>+xRb <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
ZJ}LnPr <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
.Qw@H#dtW ......
D\&y(=fzf N'BctKL 最好将你的aspnetmenu升级到1.2版
T-8nUo}i Y/I6.K3 21.读取DataGrid控件TextBox值
aZCT|M1 foreach(DataGrid dgi in yourDataGrid.Items)
`Q^Sm`R {
KIl.?_61O TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
m-FDCiN> tb.Text....
&B,& *Lp }
.E8p-R5)V> EuA<{%i 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?
7?WBzo!!L cTx/Y&\9 〖思归〗
6
&Aa b56 <asp:TemplateColumn HeaderText="数量">
o[ W3/ <ItemTemplate>
g-gBg\y{v <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
29DWRJU onkeyup="javascript:DoCal()"
;+KgujfU />
]@}BdMlHp =v=!x <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
* CGdfdxW </ItemTemplate>
IGV.0l </asp:TemplateColumn>
1>{-wL4rc c^gIK1f- <asp:TemplateColumn HeaderText="单价">
'n#S6.Y: <ItemTemplate>
iC2nHZ*, <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
z(68^-V=: onkeyup="javascript:DoCal()"
Ui;s.f />
5&Kn # kU>|E<c* <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
trt\PP:H% V/%;:ul. </ItemTemplate>
ryLNMh </asp:TemplateColumn>
g'7hc~= u(`A?H: <asp:TemplateColumn HeaderText="金额">
O!Cu.9} <ItemTemplate>
(,y/nc=GN <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
xTJ5VgG </ItemTemplate>
X_@@v|UF </asp:TemplateColumn><script language="javascript">
zm"g,\.d function DoCal()
}@6
%yR {
Lbkn Sy C var e = event.srcElement;
2/N*Uk 0 var row = e.parentNode.parentNode;
F;@&uXYgc var txts = row.all.tags("INPUT");
l;kZS if (!txts.length || txts.length < 3)
g}KZL-p4\m return;
^}\R]})w" ]arskmB] var q = txts[txts.length-3].value;
s4k%ty} var p = txts[txts.length-2].value;
fG5} '8 ebK
wCZwK* if (isNaN(q) || isNaN(p))
agD.J)v\ return;
MCG~{#` Q
kpmPQK q = parseInt(q);
=)5a=^
6 p = parseFloat(p);
N,$o'\l 8QBL:7< txts[txts.length-1].value = (q * p).toFixed(2);
MoHvXp;X }
|%;txD </script>
PaJwM%s)L $O!<Zz qEz'l'%( P9wDTZ
:4 nQmYeM 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。
83*k.]S` page_load
5~0;R`D page.smartNavigation=true
LdUpVO8)l 1zW6Pb 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 ?
]~ UkD*Ct private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
_S1uJ~j;E {
VNXVuM )c for(int i=0;i<e.Item.Cells.Count-1;i++)
k<qH<<r* if(e.Item.ItemType==ListItemType.EditType)
.CpO+z {
l/NK.Jr e.Item.Cells.Attributes.Add("Width", "80px")
XS/TYdXB8 }
s$6#3%h }
ZW%`G@d"H- "ukbqdKD 26.对话框
e[!>ezaIY private static string ScriptBegin = "<script language=\"JavaScript\">";
3Gv
i!h7 private static string ScriptEnd = "</script>";
yG4MqR)J --sb ;QG public static void ConfirmMessageBox(string PageTarget,string Content)
[_@OCiV5) {
Pc1N~?}. string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
UkV] F]
@eWx4bl ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
cqp#1oM4M rOT8!" Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
%}:J
9vra ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
6B{Awm@v}X //Response.Write(strScript);
0f1#TgX }
X9HI@M]h OpQa! 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
A>puk2 s h@d
m:=ul 1.1 取当前年月日时分秒
Qrh9JFqdG6 currentTime=System.DateTime.Now;
DM9 5Il[/ 8 Hn{CJ~' 1.2 取当前年
Q<pM
tW int 年= DateTime.Now.Year;
k~ue^^r} a{W-+t 1.3 取当前月
qT4s*kqr int 月= DateTime.Now.Month;
4{KsCd) p%-9T>og 1.4 取当前日
?da 3Azp int 日= DateTime.Now.Day;
IpxjP\ kZNZ?A<D 1.5 取当前时
b&1@rE- int 时= DateTime.Now.Hour;
%ZK}y{u\ =qRVKz 1.6 取当前分
P'8E8_M} int 分= DateTime.Now.Minute;
Apn#o2 k|5nu-B0v 1.7 取当前秒
:*1w;>o)n int 秒= DateTime.Now.Second;
R7i*f/m A-FwNo2"% 1.8 取当前毫秒
0"N %Vm int 毫秒= DateTime.Now.Millisecond;
*$!LRmp? '\Ub*m((1O 28.自定义分页代码:
d,)L, J TfPx 先定义变量 :
MR}\fw$(. public static int pageCount; //总页面数
|=POV]K public static int curPageIndex=1; //当前页面
x3Uv& :-)[B^0 下一页:
EIRf6jL if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
V_* ^2c) {
=j0V/= DataGrid1.CurrentPageIndex += 1;
[>;O'> curPageIndex+=1;
A?/?9Gr }
%04n,&mg BlUY9`VWh@ bind(); // DataGrid1数据绑定函数
fVM%.`
CvN~ 上一页:
XHr{\/4V if(DataGrid1.CurrentPageIndex >0)
dQ[lXV[}v {
*u}):8=&R DataGrid1.CurrentPageIndex += 1;
^4"_I curPageIndex-=1;
uOQ5.S+ }
EB#z\ yl}Hr* bind(); // DataGrid1数据绑定函数
7@F B^[H:y Ogb_WO;) 直接页面跳转:
( nh!tC int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
A SSoKrFL C N"c if(a<DataGrid1.PageCount)
G\Me%{b# {
S%@$J~\rx this.DataGrid1.CurrentPageIndex=a;
JI&>w-~D }
ezn>3?S Ut+m m\7 bind();
}5k"aCno $sJn:
8z 29.DataGrid使用:
{ at;
U@o /y 0 )r.R 添加删除确认:
VV private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1f=L8Dr {
}=U\v'%m foreach(DataGridItem di in this.DataGrid1.Items)
<da! #12L {
=T$E
lXwJ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
g@Zc'g/XB {
vzw\f ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
K +~ }
;VuIQ*@m" }
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