1. 打开新的窗口并传送参数:
i ,/0/?)*_ %xyou:~0zs 传送参数:
(P:<t6;+ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
<Pi|J-Y w {3<{ 接收参数:
*vwbgJG! * string a = Request.QueryString("id");
?snp8W-WB string b = Request.QueryString("id1");
XSyHk"g` mmk=97 2.为按钮添加对话框
"9Q40w\ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
V:
TM] button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
}|8_9Rx0* AiO$<CS 3.删除表格选定记录
] [p>Y>:b- int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
yL-YzF2 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
)`O~f_pIC
ElW~48 4.删除表格记录警告
)u`[6,d private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
F}/S:(6LF2 {
kZGRxp9 switch(e.Item.ItemType)
LAS'u"c| {
_v> }_S case ListItemType.Item :
~yW4)4k;b case ListItemType.AlternatingItem :
Oagsoik case ListItemType.EditItem:
"4{LN}` TableCell myTableCell;
1oWED*B myTableCell = e.Item.Cells[14];
0?:} P LinkButton myDeleteButton ;
,N]H dR myDeleteButton = (LinkButton)myTableCell.Controls[0];
n|R J;d30Q myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3@$,s~+ 3 break;
%D%8^Zd_ default:
E^/t$M|H break;
m4hg'<<V }
SVh 7zh D"2&P^- }
PIoLywpRn YSic-6z0Ms 5.点击表格行链接另一页
2j}\3Pi private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
c]n1':FT" {
~O
oidKT //点击表格打开
"8x8UgG if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2db3I:;E e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
!h23cj+V }
4gz
H8sF QSdHm 双击表格连接到另一页
8"2=U6*C q1"$<# t 在itemDataBind事件中
:OhHb#D if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
yW1)vD7 {
>,$_| C string OrderItemID =e.item.cells[1].Text;
wnEyl[ac ...
ORHp$Un~) e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
CYs,` }
'MUv5Th \IV1j)I"u 双击表格打开新一页
Q kEvw< if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2Mc3|T4)U {
S1Wj8P- string OrderItemID =e.item.cells[1].Text;
bLij7K2H ...
bMg(B-uF7 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Tc> }
8dZSi 5\5/ ★特别注意:【?id=】 处不能为 【?id =】
"d#Y}@*~o 6.表格超连接列传递参数
SPX$U5& <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
CrC^1K <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
(C-{B[Y R_W+Ylob 7.表格点击改变颜色
rzhWw-GY if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
sJ;g$TB {
=9'RM>
e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
0%&1\rm+j this.style.color=’buttontext’;this.style.cursor=’default’;");
[R(`W#W }
p
Dx1z|@z QRc{vUR& 写在DataGrid的_ItemDataBound里
C%$edEi if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Q]Y*K {
n7B7 m,@1 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
#%a;"w this.style.color=’buttontext’;this.style.cursor=’default’;");
T! Y@`Ox e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
3}TaF~ }
<k eVrCR q8X feoUV PWaw]*dFmy 8.关于日期格式
jSD#X3qp [w>$QR 日期格式设定
tvkb~ DataFormatString="{0:yyyy-MM-dd}"
bR*-Ht+wd / ;$#d}R 我觉得应该在itembound事件中
CJ/X}hi, e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
E
]A#Uy dsb `xw 9.获取错误信息并到指定页面
fM]+SMZy m'Amli@[ 不要使用Response.Redirect,而应该使用Server.Transfer
~bM4[*Q7 N=4G=0 `ke e.g
y6ECdVF // in global.asax
A;;fACF8e protected void Application_Error(Object sender, EventArgs e) {
F3N?Nk/ if (Server.GetLastError() is HttpUnhandledException)
oibsh(J3 Server.Transfer("MyErrorPage.aspx");
1Ce@*XBU mC4zactv //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
<":;+Ng+ }
`>7;! PXK7b2fE. Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
R+2+-j4 nGpXI\K 10.清空Cookie
8ZM?)#`@{ Cookie.Expires=[DateTime];
.GsV>H Response.Cookies("UserName").Expires = 0
NTdixfR X\`_3= 11.自定义异常处理
wg7V-+@i //自定义异常处理类
<>dT64R| using System;
-|J"s$yO4 using System.Diagnostics;
q
0$,*[PH C\S3Gs namespace MyAppException
v/Py"hQ {
LIS)(X<]? /// <summary>
I!^;8Pg /// 从系统异常类ApplicationException继承的应用程序异常处理类。
FK:;e
lZ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
gD,1 06% /// </summary>
DwaBdN[!7 public class AppException:System.ApplicationException
OP~HdocB {
bt"W(m&f public AppException()
$:cE ^8K {
$}<PL}+ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
'{a/2
l }
fRrvNj0{V yyoqX"v[ public AppException(string message)
`s"'r ! {
t0/p]=+.p/ LogEvent(message);
b1^vd@(lx }
!2 LCLN\ ]Uw<$!$-]s public AppException(string message,Exception innerException)
!Nu<xq@! {
&%8'8,. LogEvent(message);
SHvq.lYJ if (innerException != null)
ZRv*!n(Ug< {
:j5n7s?&=y LogEvent(innerException.Message);
2VF%@p }
Ager$uC }
@PN#p"KaT IC#>X5 //日志记录类
1q~+E\x using System;
+!k&Yje using System.Configuration;
wHsYF` using System.Diagnostics;
XUM!Qv using System.IO;
kQ4dwF~ using System.Text;
m$`RcwO using System.Threading;
GT~)nC9f B||*.`3gN namespace MyEventLog
sC27FVwo {
{n(b{ibl /// <summary>
t2EHrji~ /// 事件日志记录类,提供事件日志记录支持
INcg S MM /// <remarks>
W@ T~ly;e* /// 定义了4个日志记录方法 (error, warning, info, trace)
nnCGg+l
/// </remarks>
O>qll6]{@ /// </summary>
aY3^C q(r public class ApplicationLog
cnSJ{T {
.EpV;xq} /// <summary>
UUSq$~Ct /// 将错误信息记录到Win2000/NT事件日志中
E_Im^a /// <param name="message">需要记录的文本信息</param>
N<f"] /// </summary>
d1T,eJ} public static void WriteError(String message)
eKgisY4# {
"XB[|#& WriteLog(TraceLevel.Error, message);
MJ7 Y#<u }
QN@CPuy GRGzP&}@ /// <summary>
=2Bg9!zW> /// 将警告信息记录到Win2000/NT事件日志中
c#a@n 4 /// <param name="message">需要记录的文本信息</param>
#@^t;)| /// </summary>
6726ac{xz public static void WriteWarning(String message)
.nG#co"r}3 {
i\1TOP|h WriteLog(TraceLevel.Warning, message);
el2bd
: }
A{UULVp 9dFy"yxYa /// <summary>
8*8Zc/{ /// 将提示信息记录到Win2000/NT事件日志中
'#s05hr /// <param name="message">需要记录的文本信息</param>
' pm2n0 /// </summary>
;w:M`#2 public static void WriteInfo(String message)
W`K7 QWV4 {
0QPH}Vi5} WriteLog(TraceLevel.Info, message);
y|CP;:f; }
W4[V}s5u /// <summary>
!xP8#|1 /// 将跟踪信息记录到Win2000/NT事件日志中
ld3-C55 /// <param name="message">需要记录的文本信息</param>
KiI!frm1 /// </summary>
+# GQ, public static void WriteTrace(String message)
"5;;)\o~ {
h]og*( WriteLog(TraceLevel.Verbose, message);
C3< m7h }
P/xKnm~ _$=
_du /// <summary>
A'G66ei /// 格式化记录到事件日志的文本信息格式
u`y><w4i /// <param name="ex">需要格式化的异常对象</param>
wB.Nn/p /// <param name="catchInfo">异常信息标题字符串.</param>
NLS%S q /// <retvalue>
/V8}eZ97 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
^\\Tx*#i /// </retvalue>
T?:glp[4I /// </summary>
L !=4N!j public static String FormatException(Exception ex, String catchInfo)
H2Z1TIh {
I?"q/Ub~h StringBuilder strBuilder = new StringBuilder();
G"X8}:} if (catchInfo != String.Empty)
4D['^q {
(WK&^,zQn strBuilder.Append(catchInfo).Append("\r\n");
V6t,BJjS }
b8LoIY* strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
jov:]Bic return strBuilder.ToString();
43={Xy }
Vm(1G8 a >tO`r.5u9 /// <summary>
g)s{IAVx /// 实际事件日志写入方法
IB#
@yH /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
vz^<YZMu /// <param name="messageText">要记录的文本.</param>
I4i2+
*l} /// </summary>
o4*+T8[|5 private static void WriteLog(TraceLevel level, String messageText)
}b=}uiR# {
"*LD 3 try
##@$|6 {
9Xl`pEhC EventLogEntryType LogEntryType;
66.5QD0 switch (level)
cgl*t+o& {
MF~H"D
n case TraceLevel.Error:
w"SoeU LogEntryType = EventLogEntryType.Error;
,hq)1u break;
7<%<Ff@^)O case TraceLevel.Warning:
UilMv~0 LogEntryType = EventLogEntryType.Warning;
@O@GRq&V break;
OfctoPP _0 case TraceLevel.Info:
]Ar\c[" LogEntryType = EventLogEntryType.Information;
J9\a{c;. break;
DyeQJ7p case TraceLevel.Verbose:
,WJH}(h"D LogEntryType = EventLogEntryType.SuccessAudit;
TjHwjRa break;
n|b5? 3 default:
87:!C5e} LogEntryType = EventLogEntryType.SuccessAudit;
9G{;?c break;
b&=5m }
X{we/'> .&9 i EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
hGbj0 //写入事件日志
SB5&A_tr eventLog.WriteEntry(messageText, LogEntryType);
Eh =~T9 Y$Q|J4z }
HsnLm67' catch {} //忽略任何异常
U5-@2YcH }
lW(px^&IN } //class ApplicationLog
%H]lGN) }
7zHh@ B:] -T&.kYqnb$ 12.Panel 横向滚动,纵向自动扩展
u1z <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
c%[#~;E j'aHF#_ 13.回车转换成Tab
`ORECg) <script language="javascript" for="document" event="onkeydown">
$Bj;D=d@V if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
4#5:~M } event.keyCode=9;
2*N_5&9mE </script>
^S)cjH`P E@-KGsdhK onkeydown="if(event.keyCode==13) event.keyCode=9"
1fo
U >0dv+8Mn 14.DataGrid超级连接列
@#P,d5^G
DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
hSK;V<$[Z Hewd4k 15.DataGrid行随鼠标变色
52b*[tZ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*J+_|_0nlW {
b:R-mg.VT{ if (e.Item.ItemType!=ListItemType.Header)
ovwQ2TuK {
,(.MmP` e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
;U<rc'qE e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
[tg^GOf ' }
t^[8RhD }
Qc[3Fq,f N<QjdD& 16.模板列
eL4NB$Fb <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
M;0]u.D*= <ITEMTEMPLATE>
>yXN,5d[ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
[kqYfY?K </ITEMTEMPLATE>
F q!fWl </ASP:TEMPLATECOLUMN>
dB+N\HBY T]j.=|,d <ASP:TEMPLATECOLUMN headertext="选中">
Ug:\ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
}hYZ"
A~ <ITEMTEMPLATE>
h'$QC )P <ASP:CHECKBOX id="chkExport" runat="server" />
8)kLV_+% </ITEMTEMPLATE>
kGL1!=> <EDITITEMTEMPLATE>
>Bs#Xb_B] <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
%?aS#4jI </EDITITEMTEMPLATE>
l~D N1z6` </ASP:TEMPLATECOLUMN>
S,U
Pl}KF MWNPPYww 后台代码
(_4;') 9 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
?88`fJ@tk? {
VyRsPg[( //改变列的选定,实现全选或全不选。
/t6X(*xoy CheckBox chkExport ;
@Kf_z5tm: if( CheckAll.Checked)
%+ FG ,d {
OEPa|rb foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
cpt<WK} {
~2d:Q6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8?*RIA.a chkExport.Checked = true;
bu&t'?zx! }
~Ph\Sbp }
# wc \T else
AH4EtZC=W {
V:/7f*n7 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
/%A;mlf{ {
tA$)cg+. chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
},5'z{3E chkExport.Checked = false;
uY<
H#k }
n,~;x@=5 }
rdnRBFt }
q8:{Nk NZN-^ > 17.数字格式化
6DL[aD wh:1PP 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
\V2,pi8'v <%#Container.DataItem("price","{0:¥#,##0.00}")%>
m,')&{Rd =e><z9hY int i=123456;
4yaxl\2 string s=i.ToString("###,###.00");
55t\B ms{ 0W`LVue 18.日期格式化
$KjTa#[RX7 hJ5z/5aE; 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
`(0LK%w ED$DSz)x 显示为: 2004-8-11 19:44:28
0aR,H[r[? 7%OKH<i\2< 我只想要:2004-8-11 】
cgC\mM4Nla <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
/w]&t\]* Ip}Vb6} 应该如何改?
BO.dz06(Rw SbsouGD,{ 【格式化日期】
IfDx@ ?OB %Y4e9T". 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
@\(v X ] OlxX.wP 【日期的验证表达式】
N0n^L|(R nY `2uN~9 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
|0bc$ZY: ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
,/&Zw01dGN ^T4Ay=~{ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
V'Qn sI ^\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]))$
lS{r=y_0. S"snB/ 【大小写转换】
Gie@JX HttpUtility.HtmlEncode(string);
]*%+H|l HttpUtility.HtmlDecode(string)
t~K%.|'0 i cUT<@0 19.如何设定全局变量
9x~-*8aw "oc$ Global.asax中
}4%/pOi:f us)*2`?6t Application_Start()事件中
^9"KTZc-* Mxz,wfaH> 添加Application[属性名] = xxx;
H*e'Cs/ j kn^Z": 就是你的全局变量
_; ]e@ va{#RnU 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#]KgUc5B |qjZ38;6 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
G`]w?Di4 whc[@Tyx 【ASPNETMENU】点击菜单项弹出新窗口
'u[%}S38 &d$~6'x* 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
-rY 7)= <?xml version="1.0" encoding="GB2312"?>
HD # r0) <MenuData ImagesBaseURL="images/">
p6 xPheD <MenuGroup>
O+.*lo <MenuItem Label="内参信息" URL="Infomation.aspx" >
k&s; {|! <MenuGroup ID="BBC">
o<VP'F{p <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
\SYvD y] <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
;[5r7
jHU ......
/8 CY0Ey ]W9B6G_ 最好将你的aspnetmenu升级到1.2版
E8[XG2ye {sc[RRN~C 21.读取DataGrid控件TextBox值
f~\Xg7< foreach(DataGrid dgi in yourDataGrid.Items)
2cnj@E:5l {
[e4![G&y` TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
F1u)i tb.Text....
>A jCl }
@FX{M.. ;L6Xs_L~ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
M<oA<#IW 9m!7|(QV 〖思归〗
nxRwWj57 <asp:TemplateColumn HeaderText="数量">
z\Ui8jo:; <ItemTemplate>
t .=Oj <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
%,? vyY onkeyup="javascript:DoCal()"
:WX0,-Gn />
TA)LPBG .Ty,_3+{#p <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
{%7<" </ItemTemplate>
Yo'K pdn </asp:TemplateColumn>
SfDQ;1? qY}Cg0[@g <asp:TemplateColumn HeaderText="单价">
hWxT ! <ItemTemplate>
<IH*\q:7 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
/co%:}ln onkeyup="javascript:DoCal()"
J#@lV />
r<_2qICgP @XBH.A^7r <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
]L(54q;W vf_OQ4'G, </ItemTemplate>
hho%~^bn( </asp:TemplateColumn>
nP
u`;no |Mlh; <asp:TemplateColumn HeaderText="金额">
1PIzV:L\ <ItemTemplate>
Y- ~;E3( <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
qb$_xIQpDL </ItemTemplate>
A^vvST%7 </asp:TemplateColumn><script language="javascript">
|D(&w+( function DoCal()
d5'
)6 {
{9;eH'e var e = event.srcElement;
MLeX;He var row = e.parentNode.parentNode;
bqNLkw# var txts = row.all.tags("INPUT");
oek #^:pF if (!txts.length || txts.length < 3)
/=ACdJ return;
gPp(e
j7 z+Z%H#9e var q = txts[txts.length-3].value;
_Z.;u0Zp8 var p = txts[txts.length-2].value;
DUo0w f#D^ '2xcce# if (isNaN(q) || isNaN(p))
D{W
SKn return;
i\vpGlx k%!VP=c4s q = parseInt(q);
g~|y$T p = parseFloat(p);
QA! #s\ pMDH txts[txts.length-1].value = (q * p).toFixed(2);
*LEu=3lp%> }
'DeW<Sa~ </script>
>*{:l,LH R@OSqEnr d["x=
[f o[n<M>@ LVoyA/F 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。
F/xCG nP- page_load
bu_/R~&3{ page.smartNavigation=true
Jxf}b}^T Z$1.^H.Db 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
+R9%~Z.= private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
3]!h{_:u {
c,.0d for(int i=0;i<e.Item.Cells.Count-1;i++)
QYH."7X
> if(e.Item.ItemType==ListItemType.EditType)
\+G.]|" Y {
E`(5UF*> e.Item.Cells.Attributes.Add("Width", "80px")
P:>'
}
An/>05| }
0c`sb+? 8 NxUx+] 26.对话框
L!?v BL
private static string ScriptBegin = "<script language=\"JavaScript\">";
}+*w.X}L private static string ScriptEnd = "</script>";
3>H2xh 3Y LgO i3 public static void ConfirmMessageBox(string PageTarget,string Content)
^M[#^wv, {
=!(S<]; string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
.zQ4/ <=$rU232} ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
r^fxyN2V KBd7|,j Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
!?S5IGLOj ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
sWp{Y. //Response.Write(strScript);
c5Z;%v |y }
=VCi8jDkP ^6ExW>K 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
6.k^m&-A *Ro8W-+ 1.1 取当前年月日时分秒
X77A; US currentTime=System.DateTime.Now;
0@o;|N"i O\LjtMF 1.2 取当前年
=|^X$H int 年= DateTime.Now.Year;
&uv>'S#% A"Tc^Ij 1.3 取当前月
C<zx'lw! int 月= DateTime.Now.Month;
5}<.1ab3V kqjxJ5 1.4 取当前日
eUX@9eML int 日= DateTime.Now.Day;
rdORNlK& rd|@*^k 1.5 取当前时
Z}]:x
`fXd int 时= DateTime.Now.Hour;
l*~"5f03 9m<wcZ 1.6 取当前分
PpX{+^z-% int 分= DateTime.Now.Minute;
~,(0h:8 pP?<[ql[w 1.7 取当前秒
?q+8 /2 int 秒= DateTime.Now.Second;
fs]#/* RR l=Lmr 1.8 取当前毫秒
dM);LT8@ int 毫秒= DateTime.Now.Millisecond;
#R~">g:w zv$=* 28.自定义分页代码:
BZ]&uD|f
9$B)hrJo
先定义变量 :
aRFi0h
\ public static int pageCount; //总页面数
\#h})` public static int curPageIndex=1; //当前页面
jldcvW , V0iMq 下一页:
*#X+Gngo if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
d +*T@k]>M {
$i1>?pb3 DataGrid1.CurrentPageIndex += 1;
`<]P"G curPageIndex+=1;
<MI$Nl }
aufcd57 7v4-hfN bind(); // DataGrid1数据绑定函数
7LyV`6{70 NKIk d 上一页:
8EW`*+%= if(DataGrid1.CurrentPageIndex >0)
&;uGIk>s {
fzPgX DataGrid1.CurrentPageIndex += 1;
g/n"N>L curPageIndex-=1;
OI;L9\MJc }
.{-iq(3 )VSGqYr# bind(); // DataGrid1数据绑定函数
X:zyzEhS N@%xLJF=N> 直接页面跳转:
l:k E^ =6 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
&L[8Mju6 -Y!=Iw
4 if(a<DataGrid1.PageCount)
1*eWvYo1 {
Q
xj|lr this.DataGrid1.CurrentPageIndex=a;
Vt$ $ceu }
`gA5P % `siy!R bind();
&`\kb2uep v~W6yjp 29.DataGrid使用:
plz=G}Y * Kp ^al 添加删除确认:
2-B8>-
private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
6=[ PJM {
s3fGX|; foreach(DataGridItem di in this.DataGrid1.Items)
\[hrG?A {
_oyL*Cb if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
0 ^-b} {
lfI7&d* ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
zfT'!kb,( }
-^SD6l$ }
m<VL19o>R }
fSb@7L `:^)"#z) 样式交替:
&<;nl^ ListItemType itemType = e.Item.ItemType;
a6K$omu }e;p8)]Wl if (itemType == ListItemType.Item )
=K&q;;h {
C8%nBa/ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
epm8N / e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Yv|bUZ@ }
s9)8{z else if( itemType == ListItemType.AlternatingItem)
!&<Wc^PG {
?2
O-EiWjZ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
JO;`Kz_$ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
_M[[o5{ }
=?QQb> #
v/aI*Rl 添加一个编号列:
9H Bx[2& DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
EC&19 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
m_Y}> )I1V2k$n for(int i=0;i<dt.Rows.Count;i++)
S&g- {
P<w>1
= dt.Rows["number"]=(i+1).ToString();
PfMOc+ q }
ZJ'H y5? o3`gx DataGrid1.DataSource=dt;
l=G#gKE DataGrid1.DataBind();
4rCqN.J RyIaT DataGrid1中添加一个CheckBox,页面中添加一个全选框
\y+F!;IxL private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
bqLYF[#T {
o ML
K!]a foreach(DataGridItem thisitem in DataGrid1.Items)
oHGf | {
m_W.r+s~C4 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
~V)VGGOL$v }
'48|f`8$ }
jF2GHyB I.0Usa"z 将当前页面中DataGrid1显示的数据全部删除
I;PO$T foreach(DataGridItem thisitem in DataGrid1.Items)
'g,
x}6 {
)HiTYV)]' if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
8c'-eT" {
&_TjRj" string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
x6mq['_ Del (strloginid); //删除函数
"pJEzC }
I>\?t4t }
o%s}jBo} \{^yB4F_Z 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)
3^Q U4 bGLp0\0[ 在Application_Start中添加以下代码:
?d'9TOlD Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
JqIv&W