1. 打开新的窗口并传送参数:
[l~Gwaul> .`w[A 传送参数:
Buxn!s response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
8ckcTNPu @34Z/%A 接收参数:
Ug}dw a string a = Request.QueryString("id");
S"-q*!AhK string b = Request.QueryString("id1");
sd(Yr6~.. Evjvaa^ 2.为按钮添加对话框
5a8[0&hA 2 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
pTzwyj!SD button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
!u)>XS^E sY|by\-c 3.删除表格选定记录
n,,hE_ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
*:r6E string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
u/s,# mBAI";L3 4.删除表格记录警告
$!?tJ@{ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ZnrsJ1f: {
dWR-}> switch(e.Item.ItemType)
_1>Xk_ {
8%+F.r case ListItemType.Item :
]t2zwHo# case ListItemType.AlternatingItem :
j<* case ListItemType.EditItem:
&XvSAw+D@ TableCell myTableCell;
to2#PXf]y myTableCell = e.Item.Cells[14];
SRP.Mqg9 LinkButton myDeleteButton ;
HQ187IwpTm myDeleteButton = (LinkButton)myTableCell.Controls[0];
g$^:2MT"aQ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
\`kH2` break;
2`Dqu"TWh default:
4+tKg*| break;
hXAgT!ZD }
;nSOeAF)Q pqT+lai)# }
bmid;X| R>C^duos. 5.点击表格行链接另一页
V/t/uNm private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
og?>Q i Tr {
qj.>4d //点击表格打开
c4Leh"ry if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
c>$PLO^ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
D4G*Wz8 }
-J6G=+s/ On`T
pz/ 双击表格连接到另一页
;h"St0
?'8(']/ 在itemDataBind事件中
VG=mA4Dd if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
7{BTtUMAC {
78MQoG< string OrderItemID =e.item.cells[1].Text;
swTur ...
Y[R;UJE`5 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
2{Johqf }
G~+BO'U9'G <i$ud&D 双击表格打开新一页
/cXVJ(#j if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<E&8g[x6 {
=i1+t"= string OrderItemID =e.item.cells[1].Text;
>^Z==1 ...
Lu.C+zgQ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
~u.((GM }
`zP{E T_Y }\?]uNH ★特别注意:【?id=】 处不能为 【?id =】
tb1w 6jaU 6.表格超连接列传递参数
'V`Hp$r <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
bd;?oYV~ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
%>z)Q 1w$X;q" 7.表格点击改变颜色
JBK(Nk if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
6>d0i
S@R {
\:5M0 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
h?-*SLT this.style.color=’buttontext’;this.style.cursor=’default’;");
U{Xx)l/o }
gLzQM3{X9 9`FPV`/ 写在DataGrid的_ItemDataBound里
-L6V)aK& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
50R&;+b {
^ fqco9^; e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Z[GeU>?P this.style.color=’buttontext’;this.style.cursor=’default’;");
L3J .Oh e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
*Z}9S9YtN }
Naa
"^ \(4kEB2s$ Ap)pOD7 8.关于日期格式
2S@aG%-) s;Sv@=\ 日期格式设定
!)//b] DataFormatString="{0:yyyy-MM-dd}"
wqE+hKs, zy\R>4i'#Q 我觉得应该在itembound事件中
5tUN'KEbN e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
*V[6ta' vD91t/_+ 9.获取错误信息并到指定页面
@E
!`:/k \wb0%>
0 不要使用Response.Redirect,而应该使用Server.Transfer
&Ndq^!e "yG*Kh7ur e.g
aQ#6PO7.Z // in global.asax
\eoJ6IRE\T protected void Application_Error(Object sender, EventArgs e) {
P~9y}7Q\0 if (Server.GetLastError() is HttpUnhandledException)
SUaXm#9 Server.Transfer("MyErrorPage.aspx");
'FC#O%l ?@iGECll //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
BWev(SF{Ny }
-;RW)n^n ?L(y8b}F( 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
$guaUe[x )o N#%%SB< 10.清空Cookie
i"OY=iw-N Cookie.Expires=[DateTime];
JL:\\JT. Response.Cookies("UserName").Expires = 0
lCxPR'C| BW5! @D2 11.自定义异常处理
Tq,xW //自定义异常处理类
q7aH=dhw using System;
N}X7g0>hV using System.Diagnostics;
`\M}~ r NT>{
namespace MyAppException
T@gm0igW/; {
t(r}jU=qw /// <summary>
353*D%8 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
BQF7S<O+ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
;Vlt4,s) /// </summary>
+H6cZ, public class AppException:System.ApplicationException
E0_S+`o2y {
*^s^{0Ad public AppException()
SE0&CV4 {
?8TIPz J if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
y25L`b }
S0jYk ( BaXf=RsZ public AppException(string message)
C~q& {
Y9ipy_@_? LogEvent(message);
1qN+AT }
m={TBV,L WLA LXJ7 public AppException(string message,Exception innerException)
E`gUNAKQ {
DWmViuZmL LogEvent(message);
?r/)s()ALf if (innerException != null)
/6Olq6V {
3Ued>8Gv LogEvent(innerException.Message);
1b`WzoJgH }
-_+,HyJP }
l2
mO{'|C apw/nhQ.[ //日志记录类
&8M^E/#.^; using System;
[a!*m< using System.Configuration;
_}3NLAqg using System.Diagnostics;
Ew>lk9La( using System.IO;
T[+~-D @ using System.Text;
rJUXIV>z using System.Threading;
Io\tZXB Q@5v> ` namespace MyEventLog
]m@p? A$
{
~%d* #Yxq /// <summary>
p$_X\,F /// 事件日志记录类,提供事件日志记录支持
"
'TEBkj|u /// <remarks>
=L9;8THY /// 定义了4个日志记录方法 (error, warning, info, trace)
{1m.d;(1 /// </remarks>
09sdt;V Q /// </summary>
xXfFi5Eom public class ApplicationLog
~?<VT
k {
C*&FApG /// <summary>
M.0N`NmS /// 将错误信息记录到Win2000/NT事件日志中
z\r29IRh /// <param name="message">需要记录的文本信息</param>
ew
4pAav /// </summary>
(ioJ G-2u public static void WriteError(String message)
^;mnP=`l[ {
J*m~fZ^ WriteLog(TraceLevel.Error, message);
]5sU =\ }
/Q\|u:oO, JsV-:J /// <summary>
#xfPobQ>il /// 将警告信息记录到Win2000/NT事件日志中
>%i]p /// <param name="message">需要记录的文本信息</param>
-cs$E2
- /// </summary>
7xoq:oP-}N public static void WriteWarning(String message)
z%44@TP {
#S') i1; WriteLog(TraceLevel.Warning, message);
j,CVkA*DY }
XG;Dj<Dm Lu9`(+ /// <summary>
x{I,
gu|+ /// 将提示信息记录到Win2000/NT事件日志中
8Y&_X0T| /// <param name="message">需要记录的文本信息</param>
=}m'qy /// </summary>
)bR`uV9< public static void WriteInfo(String message)
EJaGz\\ {
KAR **M p+ WriteLog(TraceLevel.Info, message);
L]#b=Y }
:BpXi|n; /// <summary>
RAAu3QKu /// 将跟踪信息记录到Win2000/NT事件日志中
meArS*d /// <param name="message">需要记录的文本信息</param>
$
nHf0.V1 /// </summary>
734<X6^1 public static void WriteTrace(String message)
V6uh'2 {
W'L WriteLog(TraceLevel.Verbose, message);
W:V.\ }
B)=)@h[f 9/$Cq /// <summary>
LQXMGgp /// 格式化记录到事件日志的文本信息格式
9Z
lfY1= /// <param name="ex">需要格式化的异常对象</param>
;kR+jC( /// <param name="catchInfo">异常信息标题字符串.</param>
`IH*~d] /// <retvalue>
3eR c>^wh /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
iKA}??5e /// </retvalue>
,FWsgqL{l /// </summary>
UthM?g^
public static String FormatException(Exception ex, String catchInfo)
) 8 %lZ{ {
m)e~HP7M StringBuilder strBuilder = new StringBuilder();
}-T
: if (catchInfo != String.Empty)
IA^*?,AZy {
%eW2w@8] strBuilder.Append(catchInfo).Append("\r\n");
AGK{t+` }
o>e -M strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
(R-( return strBuilder.ToString();
K?eY<L }
>\'gIIs *Z2#U?_ /// <summary>
!<= ^&\A /// 实际事件日志写入方法
"P8(R /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
g![?P"i^t /// <param name="messageText">要记录的文本.</param>
Yk=2ld;; /// </summary>
@f`s%o private static void WriteLog(TraceLevel level, String messageText)
&{ZTtK&JF {
rH9[x8e try
!]l;n
Fd {
oL
-udH EventLogEntryType LogEntryType;
n |Q'> switch (level)
b{a\j% {
jq(QL%)_O case TraceLevel.Error:
x/uC)xm LogEntryType = EventLogEntryType.Error;
'DTq<`~? break;
y4Lh:; case TraceLevel.Warning:
j6#Vwc r LogEntryType = EventLogEntryType.Warning;
=&#t(" break;
Hgbrlh case TraceLevel.Info:
Cp^`-=r+ LogEntryType = EventLogEntryType.Information;
/dwj:g0y break;
+%?\#E QJ case TraceLevel.Verbose:
FZx.Yuv LogEntryType = EventLogEntryType.SuccessAudit;
e,Sxu[2 break;
ub]"b[j\1 default:
oD=+ LogEntryType = EventLogEntryType.SuccessAudit;
aPm2\Sq$ break;
Ypwn@?xeP }
,L-G-V+ X][=(l!;w7 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
S3gd'Bahq //写入事件日志
b] ~ eventLog.WriteEntry(messageText, LogEntryType);
|[X-i["y mOntc6&] }
2>/}-a catch {} //忽略任何异常
nTCwLnX(O }
TnJJ& "~3b } //class ApplicationLog
4%5 + }
>f*Zf(F .4XX
)f5 12.Panel 横向滚动,纵向自动扩展
VvTi>2(. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
tC\(H=ecP "=!sZO?3 13.回车转换成Tab
qz8Jvgu? <script language="javascript" for="document" event="onkeydown">
o "1X8v if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
y=LN|vkQ event.keyCode=9;
*Qy,?2 </script>
-;iCe7|Twf U
U@ onkeydown="if(event.keyCode==13) event.keyCode=9"
ahg]OWn# eu0jjeB 14.DataGrid超级连接列
4DsHUc6 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
<ToRPx&E U &RZx&W 15.DataGrid行随鼠标变色
'm k_s4J private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
6&_K; {
Z+2 j( if (e.Item.ItemType!=ListItemType.Header)
?<1~KLPMhY {
c+501's e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
remRmY? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
8dwKJ3*. }
YRu#JYti }
._TN;tR~' +!$]a^3l 16.模板列
Y{9xF8# <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
gjn1ha"h%. <ITEMTEMPLATE>
"x
O+ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
~ nb1c:F </ITEMTEMPLATE>
]nq/yAF% </ASP:TEMPLATECOLUMN>
f0
kz:sZ9 xM![ <ASP:TEMPLATECOLUMN headertext="选中">
J=b'b% <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
rDv`E^\ <ITEMTEMPLATE>
qO[_8's8 <ASP:CHECKBOX id="chkExport" runat="server" />
;Q0H7)t: </ITEMTEMPLATE>
v\D.j4%ij <EDITITEMTEMPLATE>
Y|E rVf4 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
}!N/?A5 </EDITITEMTEMPLATE>
2yV^'o) </ASP:TEMPLATECOLUMN>
!vq|*8 2^y*O 后台代码
Rp0^Gwa protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
KpT=twcK {
1v 4M* //改变列的选定,实现全选或全不选。
h!?rk| CheckBox chkExport ;
fWyXy%Qq if( CheckAll.Checked)
NRazI_Z {
TT={>R[B foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
7G%:ckg {
t&~*!w!+jH chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
9ePom'1f1 chkExport.Checked = true;
J~AmRo0!k }
f dJ<(i]7W }
4+MaV<!tU^ else
u}89v1._Jn {
Z=oGyA foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
]q/USVj{ {
WZ=$c]gG chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
a|z@5r% chkExport.Checked = false;
*t_Q5&3L+U }
b4Pa5w }
xqfIm%9i} }
9 dK` KxDp+]N]
17.数字格式化
zbj V>5 ?C']R(fQ\ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
'V\V=yc1 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
a%5/Oc[[ )KOIf{ int i=123456;
\\;y W~ string s=i.ToString("###,###.00");
k"6&& ZEso2|
18.日期格式化
Mbn;~tY> J~C=o(r 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
^0-e.@ y9.?5#aL 显示为: 2004-8-11 19:44:28
jB`:(5%RO wo;OkJKF 我只想要:2004-8-11 】
]E6r)C <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
v-wZHkdd1 p(nEcu 应该如何改?
Hbn78,~. k5Su&e4]] 【格式化日期】
P3nBxw" zO@>)@~ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
u60RuP& M6GiohI_"P 【日期的验证表达式】
Mmg~Fn BGHZL~ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
P](8Qrl ^((\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})))?$
20}w.V 2[qoqd( B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
,RW`9+gx ^\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]))$
I?^(j;QpS *f_A:`: 【大小写转换】
3_`)QYU' HttpUtility.HtmlEncode(string);
@C^wV HttpUtility.HtmlDecode(string)
Y6Ux*vhK SPXvi0Jg 19.如何设定全局变量
9Q!Z9n"8~) [A~ Hl Global.asax中
>|yP`m @BG].UJo Application_Start()事件中
kW1w;}n$ y#th&YC_b 添加Application[属性名] = xxx;
K:GEC- 'GT^araz 就是你的全局变量
tP"6H-)X& &FuL{YL 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
(\!?>T[En (m6V)y HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
jU* D ]:b52Z 【ASPNETMENU】点击菜单项弹出新窗口
Ow.DBL)x'> ;8dffsyq 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
\P")Eh =d <?xml version="1.0" encoding="GB2312"?>
<i]0EE}% <MenuData ImagesBaseURL="images/">
R PoBF~> <MenuGroup>
@0]WMI9B"B <MenuItem Label="内参信息" URL="Infomation.aspx" >
GC' e <MenuGroup ID="BBC">
kkWv#,qwU <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
}WaZ+Mdg\ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
aKWxL e ......
C*3St`2@9 Y;%LwDC 最好将你的aspnetmenu升级到1.2版
j7lJ7BIr k54\H. 21.读取DataGrid控件TextBox值
8?Ju\W foreach(DataGrid dgi in yourDataGrid.Items)
NkO+)= {
!|UX4 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
K3M.ZRh\;` tb.Text....
@c'iT20 }
?|+e*{4k 3Ovx)qKxd 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?
`lWGwFg g( 8'jt59/f 〖思归〗
1[8^JVC>6 <asp:TemplateColumn HeaderText="数量">
NjpWK;L <ItemTemplate>
7 QNx*8 p <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
{H)hoAenA onkeyup="javascript:DoCal()"
ZTV)D />
m*A b<$y \X _}\_c,d <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
-0#"<!N </ItemTemplate>
vI0,6fOd6 </asp:TemplateColumn>
`bfUP s kN
Ll|in@ <asp:TemplateColumn HeaderText="单价">
wT\BA'VQ <ItemTemplate>
&K[sb% <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
ndzADVP onkeyup="javascript:DoCal()"
6XF Ufi+ />
R20 .dA_N Z@Zg3AVU <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
grzmW4Cw 6qFzo1LO </ItemTemplate>
,v
K%e>e& </asp:TemplateColumn>
">CRFee0 ch]Qz[d <asp:TemplateColumn HeaderText="金额">
;mQ|+|F6X <ItemTemplate>
} &+]UGv <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
[0y,K{8t </ItemTemplate>
$q:l \ </asp:TemplateColumn><script language="javascript">
G\dPGPPM
function DoCal()
cB){b'WJ {
?D _4KFr var e = event.srcElement;
d{JI]
! var row = e.parentNode.parentNode;
9 da=q var txts = row.all.tags("INPUT");
hS8M|_ if (!txts.length || txts.length < 3)
SoM,o]s#y return;
Y4 z A{T9-f@X var q = txts[txts.length-3].value;
2|lR@L sr var p = txts[txts.length-2].value;
/~u^@@. mc%.
8i if (isNaN(q) || isNaN(p))
Z9$pY=8^? return;
`WOoC f}(4v1T q = parseInt(q);
nMzt_Il I p = parseFloat(p);
3WF]%P%
S1Y,5,} txts[txts.length-1].value = (q * p).toFixed(2);
Z,2?TT|p }
\Hrcf +` </script>
IF6$@Q >8I~i:hn x)dLY.'| "zJ xWXI JseKqJ?g 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
t;VMtIW+E page_load
1?H;
c5?d& page.smartNavigation=true
Db|JR #)7`}7N 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
KJoa^e;~ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
]rj~3du\ {
1/?Wa for(int i=0;i<e.Item.Cells.Count-1;i++)
;%2+Tc-7I if(e.Item.ItemType==ListItemType.EditType)
siCi+Y {
S;#:~?dU e.Item.Cells.Attributes.Add("Width", "80px")
P_0X+Tz }
C('D]u$Hdk }
wsB-(
0- 9_5>MmiB 26.对话框
J&~I4ko] private static string ScriptBegin = "<script language=\"JavaScript\">";
];Noe9o private static string ScriptEnd = "</script>";
W?zj^y[w .jqil0#)Y" public static void ConfirmMessageBox(string PageTarget,string Content)
18%$Z$K, {
jRC{8^98 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
]lfufjj D.{vuftu ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
&77J,\C$: V)~b+D Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
2*w`l|Sx ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
q[qX O5 //Response.Write(strScript);
cD`?"n }
K\Q4u4DjbJ 2( GYk 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
U9`Co&Z2 }|Q\@3& 1.1 取当前年月日时分秒
?SYmsaSr5 currentTime=System.DateTime.Now;
{ /!ryOA65 ',[AKXJ 1.2 取当前年
sYXLVJ>b int 年= DateTime.Now.Year;
8~,zv_Pl [AFR \{ 1.3 取当前月
!U4YA1>> int 月= DateTime.Now.Month;
)UU`uzU;u aj1g9y 1.4 取当前日
j-/$e, xX int 日= DateTime.Now.Day;
cy6YajOk7 ~5|R`% 1.5 取当前时
mvpcRe
< int 时= DateTime.Now.Hour;
M<l<n$rYS ^"lEa-g& 1.6 取当前分
VgbT/v int 分= DateTime.Now.Minute;
bydI+pVMo EVqqOp1$v4 1.7 取当前秒
"\+\,C int 秒= DateTime.Now.Second;
(g[WZB3x EY)?hJS, 1.8 取当前毫秒
I+Yq",{% int 毫秒= DateTime.Now.Millisecond;
fA1{-JzV<4 GK6~~ga= 28.自定义分页代码:
?vWF[ DRd' X<Xiva85 先定义变量 :
>u0XV "g$ public static int pageCount; //总页面数
er
BerbEEH public static int curPageIndex=1; //当前页面
'HV@i)h0%V }vP(SF6 下一页:
,V5fvHPH)8 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
PVxu8n {
73u97oe>1 DataGrid1.CurrentPageIndex += 1;
5sEk rT ' curPageIndex+=1;
Dh}d-m_5 }
ql5&&e=- R $dNdd9m bind(); // DataGrid1数据绑定函数
p/LV^TQ (ruMOKW 上一页:
uTO%O}D N if(DataGrid1.CurrentPageIndex >0)
z^9rM" {
t<}N>%ZO DataGrid1.CurrentPageIndex += 1;
7&jq = curPageIndex-=1;
G[`2Nd< }
D8*6h)~ 1n6%EC|X bind(); // DataGrid1数据绑定函数
f#I#24)RH S&l [z, 直接页面跳转:
p74Nd4U$s int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
g^po$%I ' &>Z;>6J, if(a<DataGrid1.PageCount)
C*RPSk {
&N/dxKZcc this.DataGrid1.CurrentPageIndex=a;
c1R[Hck }
c*R\fQd 5L7nEia' bind();
h'vBWtMa `|92!Ej 29.DataGrid使用:
IY!8j$'| fX\y/C 添加删除确认:
@0tX,Z9 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
?djH! {
psiuoYf foreach(DataGridItem di in this.DataGrid1.Items)
sUiO~<Ozpk {
ESFJN}Q%0. if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
~`$P-^u88X {
p7izy$Wc ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
&b%2Jx[+ }
z'O+B} }
&(p5z4Df }
tU!Yg"4Q T>hm\ ! 样式交替:
UbIUc}ge ListItemType itemType = e.Item.ItemType;
S|6i]/ q^ &r<i if (itemType == ListItemType.Item )
NP4u/C< {
z7P~SM e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
S
{+Z.P e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
`]l|YQz\ }
rmWsob else if( itemType == ListItemType.AlternatingItem)
6p&uifY}tR {
xDS]k]/(T e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
zR/mz) 6_ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Fs =)*6}& }
7>0/$i#'Vl Gfy9YH~ 添加一个编号列:
im)r4={
9 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
ug"4P.wI DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
^LXsU]
R 6rCUq
for(int i=0;i<dt.Rows.Count;i++)
*.D{d0A {
1M55!b dt.Rows["number"]=(i+1).ToString();
q]Xu #:X }
:hWG:` O@dK^o DataGrid1.DataSource=dt;
<y7Hy&&y- DataGrid1.DataBind();
-r~9'aEs 9q[[
,R
DataGrid1中添加一个CheckBox,页面中添加一个全选框
'
eWG v private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
*%atE {
hKnV=Ha( foreach(DataGridItem thisitem in DataGrid1.Items)
&t