1. 打开新的窗口并传送参数:
WDM^rjA|j xg|\\i 传送参数:
d4 Hpe> response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
],?rFK{O /M0A9ZT[ 接收参数:
\!+#9sq0 string a = Request.QueryString("id");
NSsLuM=. string b = Request.QueryString("id1");
UdIl5P z'W8t|m}Pb 2.为按钮添加对话框
C1x"q9|\` Button1.Attributes.Add("onclick","return confirm(’确认?’)");
mMz^I7$ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
9AA_e
~y kF1Tg KSd 3.删除表格选定记录
(oftq!X2 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
|8|_^` string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
L"_l(<g oy;g;dtq 4.删除表格记录警告
rt_k } private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
A ;06Zrf1 {
2 SJN;A~} switch(e.Item.ItemType)
c,v?2*< {
-$x5[6bN case ListItemType.Item :
&F8N$H case ListItemType.AlternatingItem :
+K@wh case ListItemType.EditItem:
=SY`Xkj[ TableCell myTableCell;
,?3)L
myTableCell = e.Item.Cells[14];
B@8M2Pl LinkButton myDeleteButton ;
-MCDX^>P myDeleteButton = (LinkButton)myTableCell.Controls[0];
dr54D myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
oB$P6 break;
4@Q`8N. default:
! U6 x_ break;
Xcy Xju#"p }
c=^A3[AM [}GPo0GY }
&ody[k?' +s`HTf 5.点击表格行链接另一页
t&oNC6 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
w@jC#E\ {
J%:D%=9 ) //点击表格打开
UhI T!x if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@_ZE_n e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
w[/_ o,R }
2fa1jl f3p)Q<H>`( 双击表格连接到另一页
mBQp#-1\ "u H VX|` 在itemDataBind事件中
:/.SrkN(A7 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.?Pghqq. {
e2}5<
7 string OrderItemID =e.item.cells[1].Text;
C{5bG=Sg~ ...
b:c$EPK e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
O1
KT }
Z
ZMz0^V I?z*.yA* 双击表格打开新一页
GY3g`M
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]46-TuH {
m?@0Pf}xa string OrderItemID =e.item.cells[1].Text;
/Cl=;^) ...
T2%{pcdV/ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
pSPVY2qKX }
HgY> M`U /Tc
I ★特别注意:【?id=】 处不能为 【?id =】
|E(`9 6.表格超连接列传递参数
ZDhl$m[m <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
JDI1l_Ga <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
:
U Yn *%(BE*C} 7.表格点击改变颜色
zYz0R:@n+ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
mDG=h6y"V {
hb,G'IU e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
#\{j/{VZ this.style.color=’buttontext’;this.style.cursor=’default’;");
f\zu7,GU }
Vt[Kr $ lC*q 写在DataGrid的_ItemDataBound里
H;=JqD8` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
p_Yx"nO7 {
oA;> z e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
|_H{B+. this.style.color=’buttontext’;this.style.cursor=’default’;");
O^_$cq e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
fPj*qi }
9?6]Zag (9A`[TRwi jW!x!8= 8.关于日期格式
5R UhrE 5TB==Fj ? 日期格式设定
;LhNz ()b DataFormatString="{0:yyyy-MM-dd}"
Vlka+$4! 4kr! Af 我觉得应该在itembound事件中
*.2[bQL@v e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
rmq^P;At ]rY3bG'& 9.获取错误信息并到指定页面
zfBaB0 P q' 不要使用Response.Redirect,而应该使用Server.Transfer
h=7eOK] `+c8;p'q e.g
_ft)e3Gf // in global.asax
t#eTn"; protected void Application_Error(Object sender, EventArgs e) {
mi>CHa+$ if (Server.GetLastError() is HttpUnhandledException)
).8i*Ys,: Server.Transfer("MyErrorPage.aspx");
yaw33/iN >+3tOv3: //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Bt?.8H6Y }
JKMcdD?' `SN?4;N0 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
yJMHm8OB7 q]}1/JZS 10.清空Cookie
;V:Cf/@@R Cookie.Expires=[DateTime];
8va&*J?
2 Response.Cookies("UserName").Expires = 0
Lu6?$N57rC UomO^P 11.自定义异常处理
#R#o/@| //自定义异常处理类
c9<&+ using System;
l0sBXs`3b using System.Diagnostics;
/Sn>{ & ]ICBNJ namespace MyAppException
4hLv"R. {
/qeSR3WC /// <summary>
0D=7Mef /// 从系统异常类ApplicationException继承的应用程序异常处理类。
a+_F^ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
M?FbBJ`sF /// </summary>
`BGU public class AppException:System.ApplicationException
a=%QckR* {
n~e#Y<IP\1 public AppException()
:{tj5P!S
{
sO;]l"{< if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
6j{O/ }
D,)^l@UP I,Z'ed.. public AppException(string message)
`JrvD {
MV,;l94?%= LogEvent(message);
8>(DQ"h }
~p'DPg4 S^/:O.X)c, public AppException(string message,Exception innerException)
Z9+xB"q2 {
h=`1sfz LogEvent(message);
UZqQ|3 if (innerException != null)
:
~R:[T2P {
y9@DlK LogEvent(innerException.Message);
,x.2kb }
8g!C'5 }
]B'H(o
R<| yS2[V,vS7 //日志记录类
SB<09|2 using System;
<e%~K4KH using System.Configuration;
H5'Le{ using System.Diagnostics;
?\J.Tv$$$ using System.IO;
Pqc+p E using System.Text;
;[[GA0 using System.Threading;
(9X>E+0E `;OEdeAM namespace MyEventLog
_hy<11S; {
rdY/QvP0= /// <summary>
g'Id31r' /// 事件日志记录类,提供事件日志记录支持
F#az& /// <remarks>
d mj T$a| /// 定义了4个日志记录方法 (error, warning, info, trace)
-Z/'kYj?U /// </remarks>
oO8opS7F /// </summary>
.^}
vDA public class ApplicationLog
4CdST3 {
^^m3
11= /// <summary>
J91O$szA /// 将错误信息记录到Win2000/NT事件日志中
M^$liS.D /// <param name="message">需要记录的文本信息</param>
w' gKE'c /// </summary>
;&9A
Yh. public static void WriteError(String message)
|##rs {
_?IP}} jA: WriteLog(TraceLevel.Error, message);
)ZP-t!).G# }
>aaHN1Ca _H(:$=$Q /// <summary>
@jp}WwC/ /// 将警告信息记录到Win2000/NT事件日志中
eK]$8l|LI /// <param name="message">需要记录的文本信息</param>
IUJRP /// </summary>
fsxZQ=-PW public static void WriteWarning(String message)
bR*/d-v^ {
jRv j:H9 WriteLog(TraceLevel.Warning, message);
nYv`{0S+m }
Oy `2ccQ# (fYrb#]!y /// <summary>
a=!I(50 /// 将提示信息记录到Win2000/NT事件日志中
n~wNee /// <param name="message">需要记录的文本信息</param>
L9FijF7 /// </summary>
R>YDn|cWI public static void WriteInfo(String message)
.-(s`2 {
?R;K`f9< WriteLog(TraceLevel.Info, message);
5%5z@Ka }
@}^eyS$|! /// <summary>
TP5?%SlJ /// 将跟踪信息记录到Win2000/NT事件日志中
~{O9dEI /// <param name="message">需要记录的文本信息</param>
O [81nlhS0 /// </summary>
!83N.
gN public static void WriteTrace(String message)
KC`~\sYRN] {
Q;3v ]h_ WriteLog(TraceLevel.Verbose, message);
4GY:N6qe' }
UQ ~7,D`=# 0qV"R7TW /// <summary>
@fVCGV?' /// 格式化记录到事件日志的文本信息格式
{m&8Viq1
/// <param name="ex">需要格式化的异常对象</param>
ezOZHY>|# /// <param name="catchInfo">异常信息标题字符串.</param>
w ?+v+k\ /// <retvalue>
%j[DG_ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
LT5rLdn /// </retvalue>
Yom,{;Bv /// </summary>
MDo4{7 public static String FormatException(Exception ex, String catchInfo)
hSvA
dT]m {
O+o4E?} StringBuilder strBuilder = new StringBuilder();
bLHj<AX#>| if (catchInfo != String.Empty)
#{t?[JUn {
;AwQpq>dy strBuilder.Append(catchInfo).Append("\r\n");
G}lP'9/ }
2[*r9%W strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
R&OqmhT! return strBuilder.ToString();
(;11xu }
9_6.%qj& \G}$+ /// <summary>
DB^"iof /// 实际事件日志写入方法
fnUR]5\tc /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
A-"}aCmik /// <param name="messageText">要记录的文本.</param>
bwm?\l.A /// </summary>
6#JdQ[IP6 private static void WriteLog(TraceLevel level, String messageText)
wM^_pah#Y5 {
X2MQa:yksP try
?8d7/KZO {
`y26OYo EventLogEntryType LogEntryType;
DM-8azq $ switch (level)
L-LN+6r(# {
BE;J/ case TraceLevel.Error:
JVORz-uBs LogEntryType = EventLogEntryType.Error;
#0hX'8];( break;
nVTCbV case TraceLevel.Warning:
kJ JUu LogEntryType = EventLogEntryType.Warning;
n>w/T" break;
WG{mg/\2(C case TraceLevel.Info:
6G<t1?_yD LogEntryType = EventLogEntryType.Information;
xF+a.gAIb break;
;Ly(O'9 case TraceLevel.Verbose:
Ef1R?< LogEntryType = EventLogEntryType.SuccessAudit;
\xH#X=J break;
"\'g2|A default:
^Fl6-|^~ LogEntryType = EventLogEntryType.SuccessAudit;
\qrSJ=}t break;
R7L:U+*V" }
btfjmR<Tp ohdWEU, EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
86^xq#+Uw //写入事件日志
fC2 eventLog.WriteEntry(messageText, LogEntryType);
\k=.w &~u=vuX }
:\*<EIk( catch {} //忽略任何异常
yW$ja|^E }
pX:FXzYQ } //class ApplicationLog
fC_dSM[{c }
;JcOm&d/hk w2:!yQk_ 12.Panel 横向滚动,纵向自动扩展
UH<nc;.B <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Q}J'S5% s7FJJTn 13.回车转换成Tab
N
F[v/S <script language="javascript" for="document" event="onkeydown">
JeR8Mb if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
r|XNS>V ,$ event.keyCode=9;
_l&`*
2d </script>
8QeM6;^/5 gz K"'4` onkeydown="if(event.keyCode==13) event.keyCode=9"
)V^J^1 .qyk [O 14.DataGrid超级连接列
wp!<u
% DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
AQ!FJ(X( 'oZ/fUl|7 15.DataGrid行随鼠标变色
({ 7tp!@ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
# $:ddOY {
|\
1?CYx if (e.Item.ItemType!=ListItemType.Header)
9E (VU. {
C^@.GA e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
h^P>,dy0 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
cJ
G><' }
g<[_h(xDeG }
Lc|5&<8ZG1 ];waK2'2 16.模板列
.(Gq9m[~8H <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
o0~+%& <ITEMTEMPLATE>
J~5VL |ca <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
K_iy^|0)5] </ITEMTEMPLATE>
+e0]Y8J{ </ASP:TEMPLATECOLUMN>
!*:Zcg?7n u"K-mr#$[o <ASP:TEMPLATECOLUMN headertext="选中">
,`/J1(\nd <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
O[3AI^2 <ITEMTEMPLATE>
t6;Ln().Hw <ASP:CHECKBOX id="chkExport" runat="server" />
um@RaU </ITEMTEMPLATE>
zaX!f~;" <EDITITEMTEMPLATE>
A#W%ud4 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
/;M0tP </EDITITEMTEMPLATE>
GNXQD}L?b? </ASP:TEMPLATECOLUMN>
%d+:0.+`n IBx?MU#. 后台代码
zh$[UdY6 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
H1uNlPT {
_wWh7'u~G //改变列的选定,实现全选或全不选。
b;&J2:` CheckBox chkExport ;
<^&NA<2 if( CheckAll.Checked)
kb?QQ\e {
4q)eNcs foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
5Qp5JMK {
b|T}mn chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;l_%;O5 chkExport.Checked = true;
,Cg uY/y }
9n!<M)E }
4uv'l3 else
ZpPm>|w {
9YMUvd,u foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
J{=by]-rD, {
--0z"`@{ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
#F5O>9hA chkExport.Checked = false;
^5biD9>M }
}%EQ }
93%U;0w[Nw }
M:OY8=V EA4aZ6% 17.数字格式化
wO!k|7:Z 9hI4',(rE 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
or/Y"\-! <%#Container.DataItem("price","{0:¥#,##0.00}")%>
y &\ J raGov` int i=123456;
GEq?^z~i string s=i.ToString("###,###.00");
5gg_c?Vh/ v709#/cR 18.日期格式化
TL+a_]3@ EI2V<v 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
t#kR@t+6$\ ?Zu=UVb 显示为: 2004-8-11 19:44:28
u0h {bu 2RKI M(~ 我只想要:2004-8-11 】
CD(2A,u)/ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
"])X0z yM *5 FSq 应该如何改?
$%VFk 53I yqqP7 【格式化日期】
8^ ;[c )`Tny]M 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
.:c^G[CQ^9 7Xv.C&jzd 【日期的验证表达式】
in -/ /ocdAW`0 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
+Ij>\;vM" ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
NA[yT H$Fz{[[u B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
;}3wT,=sN ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
2EsKC) H"d.yZM0 【大小写转换】
zt!mx{l' HttpUtility.HtmlEncode(string);
.@.,D% 7< HttpUtility.HtmlDecode(string)
?<,9X06dP z>NRvx0 19.如何设定全局变量
b&p*IyJR ?s(%3_h Global.asax中
UNq!| 4xU[oaa Application_Start()事件中
~f2H@# 0R<@* 添加Application[属性名] = xxx;
G@h6>O ]i\D*,FfU 就是你的全局变量
t/HMJ Uf{cUY,j_ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
]7v-qd _h7! HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
+Tde#T&[ BBnbXhxZ 【ASPNETMENU】点击菜单项弹出新窗口
* 4GJ< qX`?4"4 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
x;lIw)Ti <?xml version="1.0" encoding="GB2312"?>
}u5;YNmXxF <MenuData ImagesBaseURL="images/">
{FraM,w: <MenuGroup>
Yul-.X <MenuItem Label="内参信息" URL="Infomation.aspx" >
@DfjeS)u^ <MenuGroup ID="BBC">
Bm"jf] <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
+"Ek?
)? <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
( }5k"9Z ......
ow]S 3[07 <WtX>
\]l( 最好将你的aspnetmenu升级到1.2版
d~uK/R-KD ^10*s,(uS? 21.读取DataGrid控件TextBox值
R>BI;IcX foreach(DataGrid dgi in yourDataGrid.Items)
6T&6N0y+9 {
A1Mr TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
0@{K'm/ tb.Text....
]K?z|&N|HK }
<^|8\<J S*?'y 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?
R*/%+ <_8\}! 〖思归〗
i0Qg[%{9# <asp:TemplateColumn HeaderText="数量">
%#2[3N{ <ItemTemplate>
tx Lo= <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
]IXKoJUf onkeyup="javascript:DoCal()"
W@AZ<(RI: />
xKEHNgen N-]h+Cnyu <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
P )_g t </ItemTemplate>
&Ph@uZ\ </asp:TemplateColumn>
,E$^i~OO }I}Rq D:` <asp:TemplateColumn HeaderText="单价">
{tk42}8k <ItemTemplate>
bT,]=h"0 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
L9Z:>i? onkeyup="javascript:DoCal()"
|s+[489g'6 />
}ARWR.7Cc 1,T8@8# <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
{1'XS,2 5Lo{\7% </ItemTemplate>
fMlxtj+5
</asp:TemplateColumn>
7]@vPr;: z^gf@r <asp:TemplateColumn HeaderText="金额">
Uxn_nh <ItemTemplate>
%L=roqz <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
aDm$^yP </ItemTemplate>
MM3X!
tq </asp:TemplateColumn><script language="javascript">
25XD fi75 function DoCal()
vY7C!O/y_k {
6vQAeuz<Fq var e = event.srcElement;
'=G 4R{ var row = e.parentNode.parentNode;
n AQB var txts = row.all.tags("INPUT");
XG@_Lcv* if (!txts.length || txts.length < 3)
6{8qATLR return;
;VSHXU'H U O YM var q = txts[txts.length-3].value;
gs_"H var p = txts[txts.length-2].value;
&"BmCDOq X<Rh-1$8F if (isNaN(q) || isNaN(p))
6 KP return;
<8|vj2d2 -A(]",*J q = parseInt(q);
eG72=l)Mz p = parseFloat(p);
yeFt0\=H $u|p(E:* txts[txts.length-1].value = (q * p).toFixed(2);
4Smno%jq }
Vz1ro </script>
lj/?P9 i*:lZ eU61 YC - -&66 -MbnYs) Qf6]qJa| 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。
nmn$$=~) page_load
w}zl=w{G page.smartNavigation=true
KV k
36;$ 12gcma} 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 ?
PPU,o8E+ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
kG[u$[B {
yBXdj`bV for(int i=0;i<e.Item.Cells.Count-1;i++)
l}j5EWe if(e.Item.ItemType==ListItemType.EditType)
oZHsCQ % {
sw6]Bc e.Item.Cells.Attributes.Add("Width", "80px")
V.Dqbv }
g05:A0X# }
;J Dn1(6 ^*#5iT8/ 26.对话框
)?^0<l#s private static string ScriptBegin = "<script language=\"JavaScript\">";
)TnxsFC private static string ScriptEnd = "</script>";
(5]<t&M F8$.K*tT public static void ConfirmMessageBox(string PageTarget,string Content)
M&Sjo' ( . {
h`-aO u string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
C|5eV=f)P R!0O[i ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Qv(}*iq] 0V`s 3,k Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
+e);lS"+/ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
"1$OPt5 //Response.Write(strScript);
mk~&>\ }
~'m
GGH2 a)^f`s^aa 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
}i!hzkK# F&<si:}KB 1.1 取当前年月日时分秒
/B.\ 6 currentTime=System.DateTime.Now;
wqx@/--E( 8G;
t[9 1.2 取当前年
?DzKqsS' int 年= DateTime.Now.Year;
x* *]@v"g cod__. 1.3 取当前月
r0379 _ int 月= DateTime.Now.Month;
oFB~)}f<v V%g$LrLVe 1.4 取当前日
6Db1mvSe int 日= DateTime.Now.Day;
1Y6<i8 ?M.n 9|}y 1.5 取当前时
IeLG/ fB int 时= DateTime.Now.Hour;
=hxj B*") W(Z_ac^e[ 1.6 取当前分
j$'L-kK+ int 分= DateTime.Now.Minute;
#56}RV1 4G"T{A`O 1.7 取当前秒
Y!c
RzQ int 秒= DateTime.Now.Second;
``kiAKMy h}k)7 1.8 取当前毫秒
Eo
5p- int 毫秒= DateTime.Now.Millisecond;
f=]+\0MQ Pc#8~t}2 28.自定义分页代码:
U+>!DtOYK X<dQq`kZ 先定义变量 :
`CA-s public static int pageCount; //总页面数
^\Tde*48 public static int curPageIndex=1; //当前页面
P+ONQN| `[3Iz$K= 下一页:
_U( b if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
3TVp
oB` {
B38_1X7 DataGrid1.CurrentPageIndex += 1;
EtvZk9d6h* curPageIndex+=1;
p \A ^kX^5 }
o%XAw kW0|\ bind(); // DataGrid1数据绑定函数
DP ,owk c ]M!4. 上一页:
?$i`K| if(DataGrid1.CurrentPageIndex >0)
f4YcZyBGv {
^BIB'/Kh) DataGrid1.CurrentPageIndex += 1;
[y-0w.V=oE curPageIndex-=1;
Nd'+s>d0 }
XdE#l/# M}=X/*T bind(); // DataGrid1数据绑定函数
"
2A`M~
Wew'bj
直接页面跳转:
&
9}L +/, int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
(jd)sf6Tj[ by!1L1[JTt if(a<DataGrid1.PageCount)
j oDY {
*z
I@Htp this.DataGrid1.CurrentPageIndex=a;
)'3(=F$+l }
ATl.Qku@ 9Jd{HI= bind();
nJ'FH[' \H|tc#::{ 29.DataGrid使用:
.l5y+a' q}P< Ejq} 添加删除确认:
|YCGWJaci private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>]K:lJ]l {
,rj_P foreach(DataGridItem di in this.DataGrid1.Items)
Qz)1wf'y {
xj`ni G if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
.|W0B+Z8 {
E0; }e
((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
tmT/4Ia }
:EJ8^'0Q }
Lc 4\i }
=j#1HI=Fe 9n4vuBgv 样式交替:
C".nB12 ListItemType itemType = e.Item.ItemType;
F]o&m::/K sjl( if (itemType == ListItemType.Item )
?^I\e{),c {
7|Z=#3INw e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
mp]}-bR) e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
1./uJB/ }
U8TH} 9Q else if( itemType == ListItemType.AlternatingItem)
tg =ClZ- {
6{Y3-Pxg e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
.axJ '*~W e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
NqyKR&; }
u@QP<[f
aY`qb Jy 添加一个编号列:
MI8f(ZJK5 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
qyi5j0)W DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
B=)&43)\ t6-He~ for(int i=0;i<dt.Rows.Count;i++)
DD 8uG`< {
Cg{V"B: dt.Rows["number"]=(i+1).ToString();
9vIqGz-o }
:
L}Fm2^ q8&2M DataGrid1.DataSource=dt;
j"G1D-S: DataGrid1.DataBind();
2cv!85 g-G;8x'n DataGrid1中添加一个CheckBox,页面中添加一个全选框
\3nu &8d private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
":=\ci]e% {
RNa59b foreach(DataGridItem thisitem in DataGrid1.Items)
(41BUX {
bEO\oS ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
B$ty`/{w,B }
mEK0ID\ }
3PRg/vD3 A'A5.\UN 将当前页面中DataGrid1显示的数据全部删除
&lbZTY} foreach(DataGridItem thisitem in DataGrid1.Items)
OYnxEdo7 {
u7PtGN0r% if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
RWyDX_z#< {
Vo1,{"k string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
s?-@8.@ Del (strloginid); //删除函数
] oOSL=~c }
x?10^~R }
%63zQFk h"C7l#u 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
U&F1}P$fb 9)c{L<o}T 在Application_Start中添加以下代码:
j:|um&`) Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
d,%e?8x5 AppSettings["ConnStr"].ToString();
#eRrVjbo |l \! 31. 变量.ToString()
5(9SIj^O MTnW5W-r9 字符型转换 转为字符串
#6g9@tE 12345.ToString("n"); //生成 12,345.00
>z{*>i,m1 12345.ToString("C"); //生成 ¥12,345.00
oe (})M 12345.ToString("e"); //生成 1.234500e+004
\\ZR~f!< 12345.ToString("f4"); //生成 12345.0000
Rgstk/1 12345.ToString("x"); //生成 3039 (16进制)
TRLz>m Q 12345.ToString("p"); //生成 1,234,500.00%
-4 *94< g=ehAg 32、变量.Substring(参数1,参数2);
" a&|{bv RSv?imi= 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
F!k3/z B=ckRWq 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
w^Mj[v# <SCRIPT language="javascript">
8m prK`p <!--
EN,PI~~F function gook(pws)
^l,(~03_ {
VL =1 9[ frm.submit();
F.rNh`44 }
OM>,1;UH] //-->
YLXLaC[ Gt4/ax:A@ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
|_6V+/?"?` <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
VtTTvP3 <tr>
Ym% $!# <td>
0 _n
Pq <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
@PQ%
xcOC7 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
%#_"Ie <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Pv#Oea? "=0(a)01p: <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
?IN'Dc9&%- <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
24g\xNnt :CeK
'A\ </td>
&b__/o nE&`~ </tr>
i]cD{hv 9mmkFaBQ </form>
KD<smwXjG WX-J4ieL 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
f]_{4Olk =%)Y,
)" 下面是获取用户输入的登陆信息的代码:
=~D QX\ string name;
5n0B`A name=Request.QueryString["EmailName"];
x>]14bLz icrcP ~$A try
MQ#nP_i {
_\2Ae\&c int a=name.IndexOf("@",0,name.Length);
}OsAO f_user.Value=name.Substring(0,a);
h&|S* f_domain.Value=name.Substring(a+1,name.Length-(a+1));
ShIJ6LZ f_pass.Value=Request.QueryString["Psw"];
?5IF;vk }
!=3Ce3- w *pTK + catch
_Xqa_6+/ {
'5)PYjMnH Script.Alert("错误的邮箱!");
m{w'&\T Server.Transfer("index.aspx");
BNw};.lO }