1. 打开新的窗口并传送参数:
p+yU!Qj e;[/ytz"d' 传送参数:
$~U_VQIA^ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
K);:+s- N{E>R&,q 接收参数:
6Zkus20 string a = Request.QueryString("id");
.F> cZ, string b = Request.QueryString("id1");
9 ?h)U|J?G +#n[55d 2.为按钮添加对话框
$|sRj!F Button1.Attributes.Add("onclick","return confirm(’确认?’)");
"-N%`UA button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
'w!Hjq]$ O/0m|~`iY 3.删除表格选定记录
syV&Ds) int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
>Rx^@yQ!+z string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
6%O" uVIs5IZzIi 4.删除表格记录警告
QT?fp
>' private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ZJI|762, {
V.:imj switch(e.Item.ItemType)
|'1[\<MM3 {
whxE[Xnv case ListItemType.Item :
v{&cgod case ListItemType.AlternatingItem :
u:"mq.Q case ListItemType.EditItem:
;|}6\=( TableCell myTableCell;
|W{z,e01x myTableCell = e.Item.Cells[14];
$t[`}I
} LinkButton myDeleteButton ;
Ql#:Rx>b myDeleteButton = (LinkButton)myTableCell.Controls[0];
<Gs)~T#' myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
id GM%Faur break;
UB(Q &U_ default:
|67<h5Q1 break;
aBol9`6 }
TRX; m|
@cSz!E} }
[T !#s Q%q_ 5.点击表格行链接另一页
a?&oOQd-iP private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:`oYD {
+9,"ne1'e //点击表格打开
0xZq?9a if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
S9-K e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
E^Q|v45d }
Mg-Kh}U ^tae
(} 双击表格连接到另一页
h6la+l?x }U%2)M 在itemDataBind事件中
jjEkz 5 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;o"}7'4*R% {
v8_HaA$5Y string OrderItemID =e.item.cells[1].Text;
D|6prC%/ ...
9C3q4.$D e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
+7d%)t }
)7O4j}B){ *\:u}'[ 双击表格打开新一页
7S 1
Y) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
9cX
~ {
@yS string OrderItemID =e.item.cells[1].Text;
4k<4=E ...
xHe<TwkI e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
uRwIxT2 }
{i`BDOaL g:O~1jq ★特别注意:【?id=】 处不能为 【?id =】
ImyB4welo 6.表格超连接列传递参数
j<wWPv <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
KS3
/ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
YD7i6A v-_K'm 7.表格点击改变颜色
`R=8=6Z+$q if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
<~vamim#K {
F;5.nKo e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
}3 RqaIY} this.style.color=’buttontext’;this.style.cursor=’default’;");
= w_y<V4 }
X=mzo\Aos m3\lm@`)O 写在DataGrid的_ItemDataBound里
0KU,M+_ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
)z$VQ=]" {
uFL~^vz e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
7*~
rhQ this.style.color=’buttontext’;this.style.cursor=’default’;");
|j<b? e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
uZ\ > }
N>'1<i? \0'o*nlJ ,/ly|Dv 8.关于日期格式
{pE")O7~P TZ ?va@2 日期格式设定
c_vj't DataFormatString="{0:yyyy-MM-dd}"
N:\I]M ;v*$6DIC5 我觉得应该在itembound事件中
n3jA[p:
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
x]XhWScr' v-2.OS<o 9.获取错误信息并到指定页面
)9{?C4NQ K/
I3r_ 不要使用Response.Redirect,而应该使用Server.Transfer
p!|ok#sW (,[m}Qb?! e.g
Cd"O'<^Sb // in global.asax
=>n:\_*M protected void Application_Error(Object sender, EventArgs e) {
xaAJ>0IM if (Server.GetLastError() is HttpUnhandledException)
[%
KBc} Server.Transfer("MyErrorPage.aspx");
Uw)?u$+
P "!9~77 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
#4Xe zj,g* }
"Z#97Jc+J w}K<,5I> 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
0^?(;AK :p%nQF,*f 10.清空Cookie
n!~{4
uUW Cookie.Expires=[DateTime];
9 k)?- Response.Cookies("UserName").Expires = 0
oslV@v
F IM7k\ 11.自定义异常处理
0bzD-K4WVd //自定义异常处理类
-r_z,h| using System;
$._p !, < using System.Diagnostics;
;.'2ZNt2 v%VCFJ namespace MyAppException
LK)0g 4{ {
/E@LnKe /// <summary>
& 2& K9R /// 从系统异常类ApplicationException继承的应用程序异常处理类。
o{(-jhR /// 自动将异常内容记录到Windows NT/2000的应用程序日志
i:ZpAo+Z{ /// </summary>
tE/j3 public class AppException:System.ApplicationException
'dDd9 {
~^UQw?; public AppException()
O\q|b#q}/ {
p>96>7w if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
ac p-4g+j }
%1 9TJn%J$ O|O#T.Tg public AppException(string message)
ahU\(= {
!6'j
W! LogEvent(message);
OAEJ?ik }
s,\!@[N K)`,|q* \ public AppException(string message,Exception innerException)
X48Q{E+ {
A?06fo, LogEvent(message);
=.#*MYB.l if (innerException != null)
9(dbou {
.-k\Q}D LogEvent(innerException.Message);
Ps4spy0Fp }
J'sVT{@GS }
A84I*d ]HgAI$aA, //日志记录类
!rlN|HB using System;
D[x0sly using System.Configuration;
l
Ztq_* Fl using System.Diagnostics;
(@vu/yN using System.IO;
SuMK=^>% using System.Text;
I@08F using System.Threading;
]6v6&YV r77?s? namespace MyEventLog
qhRs5QXL {
=P!SN]nFeP /// <summary>
(x2I*<7P /// 事件日志记录类,提供事件日志记录支持
5 S$*YRp /// <remarks>
4(B{-cK /// 定义了4个日志记录方法 (error, warning, info, trace)
?{mFQ /// </remarks>
N1jj\.nB /// </summary>
%u-l6<w#R public class ApplicationLog
FZ
DC? {
nzmv>s&UW /// <summary>
LNmsv U /// 将错误信息记录到Win2000/NT事件日志中
v[T5D: /// <param name="message">需要记录的文本信息</param>
~M6Q8Y9 /// </summary>
lY
yt8H public static void WriteError(String message)
$cHA_$ ` {
2_6x2Ia4 WriteLog(TraceLevel.Error, message);
MM"{ehd{^a }
a.L ?J +O`0Mc$%' /// <summary>
f*04=R?w7> /// 将警告信息记录到Win2000/NT事件日志中
H,9e<x#own /// <param name="message">需要记录的文本信息</param>
1tHTjEG4^3 /// </summary>
8QV+DDZx public static void WriteWarning(String message)
M$d DExd~ {
KGS=(z WriteLog(TraceLevel.Warning, message);
/m%i"kki }
kep.+t[ <\|f;7/ /// <summary>
Z#IRNFj /// 将提示信息记录到Win2000/NT事件日志中
8
C @iD% /// <param name="message">需要记录的文本信息</param>
^|5bK_Z& /// </summary>
s
de|t public static void WriteInfo(String message)
O:"gJ4D {
ymT&[+V WriteLog(TraceLevel.Info, message);
&ok2Xw }
JeU|e$I4> /// <summary>
dWwh?{n /// 将跟踪信息记录到Win2000/NT事件日志中
^CX=< /// <param name="message">需要记录的文本信息</param>
W2J"W=:z /// </summary>
}bz v&k public static void WriteTrace(String message)
X3
D(2W {
\b?z\bC56 WriteLog(TraceLevel.Verbose, message);
(0g@Z`r }
YQxVeS( \74+ cN /// <summary>
zpx /// 格式化记录到事件日志的文本信息格式
^P
>; % /// <param name="ex">需要格式化的异常对象</param>
fn>MOD!l /// <param name="catchInfo">异常信息标题字符串.</param>
,.6Hh'^65^ /// <retvalue>
UaA6 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
.e%PK[o /// </retvalue>
2JwR?<n{ /// </summary>
wyeiz7 public static String FormatException(Exception ex, String catchInfo)
; 6Js
{
~]a:9Ev* StringBuilder strBuilder = new StringBuilder();
|f;u5r!^= if (catchInfo != String.Empty)
Xs$k6C3 {
\2~Cn c*O strBuilder.Append(catchInfo).Append("\r\n");
v@TP_Ka }
y[BUWas( strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
jk,:IG return strBuilder.ToString();
Eqj&SA }
/DA'p [, 6 6WAD$8$ /// <summary>
L l\y2oJ /// 实际事件日志写入方法
RZi]0l_A' /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
}DjW /// <param name="messageText">要记录的文本.</param>
QL%&b\K /// </summary>
&$ZJfHD@ private static void WriteLog(TraceLevel level, String messageText)
,E2Tw-% {
ORHs1/L`j try
yPL1(i; {
DS0c0lsx EventLogEntryType LogEntryType;
JJ[.K*dO switch (level)
Z;`ts/?SY] {
eD5.*O case TraceLevel.Error:
{0
d/; LogEntryType = EventLogEntryType.Error;
cl:h'aG break;
.I_Mmaq;i case TraceLevel.Warning:
*P]FX-D3 LogEntryType = EventLogEntryType.Warning;
|{]W (/ break;
i;>Yx# case TraceLevel.Info:
8`l bKV LogEntryType = EventLogEntryType.Information;
:1NF#-2\f break;
Y4q; case TraceLevel.Verbose:
~'k.'O{ LogEntryType = EventLogEntryType.SuccessAudit;
musZCg$ break;
'|V"!R) default:
,\ [R\s LogEntryType = EventLogEntryType.SuccessAudit;
YMx]i,u'+ break;
f-&4x_5 }
VgLrufJ #lXwBfBMf EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
:23w[vt= //写入事件日志
".Z|zt6C eventLog.WriteEntry(messageText, LogEntryType);
aGY R:jR$ IGqg,OEAp }
LldZ"%P catch {} //忽略任何异常
_3v6c }
*\><MXx } //class ApplicationLog
8i"v7} }
_dCdyf >qkZn7C 12.Panel 横向滚动,纵向自动扩展
,Axk\7- <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
DtLga[M VJquB8?H
13.回车转换成Tab
%"kF i <script language="javascript" for="document" event="onkeydown">
w@,Yj#_9cx if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
;cKN5#7 event.keyCode=9;
R"%zmA@o= </script>
NH+?7rf8 L|O[u^ onkeydown="if(event.keyCode==13) event.keyCode=9"
x{y}pH "H }Fs;sfH 14.DataGrid超级连接列
EY'kIVk DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
\~u7 k K@yLcgr{O2 15.DataGrid行随鼠标变色
*l\wl @{ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
cCOw7< {
g:&YSjO>G if (e.Item.ItemType!=ListItemType.Header)
g{0a]'ph {
,=!_7'm e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
>G`Uc&= e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
ZYf0FC=- }
.yK~FzLs }
tgk] sQY hc#LniR3$ 16.模板列
o3C7JG <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
%%d3M->C} <ITEMTEMPLATE>
C{Y0}ZrmlF <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
39Nz>Nu: </ITEMTEMPLATE>
U~h
f,Oxi </ASP:TEMPLATECOLUMN>
ppL*#/jYt r2dU>U*:4 <ASP:TEMPLATECOLUMN headertext="选中">
[\|`C4@3a <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\M$e#^g <ITEMTEMPLATE>
=zaf{0c <ASP:CHECKBOX id="chkExport" runat="server" />
rBY)rUDd4 </ITEMTEMPLATE>
MPa F <EDITITEMTEMPLATE>
`p qj~s <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
~@Yiwp\" </EDITITEMTEMPLATE>
+r8:t5:/I </ASP:TEMPLATECOLUMN>
xLX2F Z9S5rPHEL 后台代码
'F-;uN protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
v/ $~ifY" {
,_+Gb //改变列的选定,实现全选或全不选。
gl.uDO%. CheckBox chkExport ;
::goqajV if( CheckAll.Checked)
lQ5d.}O& {
o;w5;TkY foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
!Q/oj
Q {
MK1V1F` chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
_-MILkx\ chkExport.Checked = true;
]Q8[,HTG }
(}!xO?NA( }
[Q0n-b,Q else
*yX5g,52-| {
>]/RlW[ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
w^BF.Nu {
ML:Zm~A1U chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$G UCVxs chkExport.Checked = false;
Hsdcv~Xr;l }
kD}w5 U }
ZwzN=03T }
u4eA++eT GvB;o^Wd 17.数字格式化
$%:=;1Jl ^$>Q6.x?*) 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Chso]N.1 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
`eo$o! r$Gz int i=123456;
,_wpYTl*X string s=i.ToString("###,###.00");
P]A~:Lj +Oxw?`I$ 18.日期格式化
0gevn -!bfxbP 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
4`X]$. b7uxCH]Z
显示为: 2004-8-11 19:44:28
Cf~vT" fpPB_P{Ua 我只想要:2004-8-11 】
t ZL|;K <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
s@$SM,tnn 6x*$/1'M3; 应该如何改?
4lp90sa D*_Z"q_B 【格式化日期】
&eA!h " J4?Sb < 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
S'
<X) 6P$jMjs 【日期的验证表达式】
uUIjntSF( 1#w'<}h#U A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
k00&+C ^((\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})))?$
5$PDA*]9 h 2QJQ|7a B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
N9S?c ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
>2^|r8l5 /:=,mWoO 【大小写转换】
.wpp)M.w;H HttpUtility.HtmlEncode(string);
.Ce0yAl~ HttpUtility.HtmlDecode(string)
a#pM9n~a -J&
b~t@ 19.如何设定全局变量
&Hj1jM' oF(=@UL Global.asax中
j6&q6C X #TG7WF5 Application_Start()事件中
L> \/%x>Wx :OKU@l| 添加Application[属性名] = xxx;
7`P1=`.. s
+Q'\? 就是你的全局变量
LLV1W0VO=P yhsbso,5 a 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
=XhxD<kI qX"m"ko HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
eZbT; By;{Y[@rS 【ASPNETMENU】点击菜单项弹出新窗口
xXQW|#X\ gw^X - 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
E%&E<<nhZ <?xml version="1.0" encoding="GB2312"?>
rvUJK,oE <MenuData ImagesBaseURL="images/">
na`8ulN_ <MenuGroup>
Aq*,cOF+ <MenuItem Label="内参信息" URL="Infomation.aspx" >
.a_xQ]eQ <MenuGroup ID="BBC">
IKFNu9*"h <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
KB`">zq$u <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
+eVm+4WK ......
":vF[6K6 3bK=Q3N 最好将你的aspnetmenu升级到1.2版
EJm*L6>@R& %7SGQE#W_~ 21.读取DataGrid控件TextBox值
&eIwlynm foreach(DataGrid dgi in yourDataGrid.Items)
f1wwx|b%. {
O|e/(s?$ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
W*Gp0pX tb.Text....
)uK Tf=; }
VD0U]~CWR b|-7EI>l9 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?
_s~F/G`iT +*=?0 \ 〖思归〗
dz"HO!9 <asp:TemplateColumn HeaderText="数量">
BnPL>11Y <ItemTemplate>
qG8-UOUDt <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
'(fCi onkeyup="javascript:DoCal()"
Rap =& />
j=V2~
xA6 )%Lgo${[; <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
HI!bq%TZ4 </ItemTemplate>
dx)v`.%V </asp:TemplateColumn>
3F\UEpQ w@ $_2t <asp:TemplateColumn HeaderText="单价">
x)prI6YMv\ <ItemTemplate>
tK LAA+Z <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
be(p13&od onkeyup="javascript:DoCal()"
|>Wi5h{6X />
'qlWDt/ gVpp9VB <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
+l@+e_> oh%/\Xu </ItemTemplate>
wg{Y6XyH </asp:TemplateColumn>
Mb\[` 4z ^SJa/I EZ. <asp:TemplateColumn HeaderText="金额">
|X0Ys8f <ItemTemplate>
I%#
e\ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
n,o;:c </ItemTemplate>
idGhWV' </asp:TemplateColumn><script language="javascript">
-) \!@n0 function DoCal()
|7wiwdD" {
^#,cWG}z var e = event.srcElement;
r57rH^Hc var row = e.parentNode.parentNode;
_^Lg}@t var txts = row.all.tags("INPUT");
]M.)N.T if (!txts.length || txts.length < 3)
I.L8A|nZ return;
//H3{^{ ba"a!#wA var q = txts[txts.length-3].value;
nyr)d%I{ var p = txts[txts.length-2].value;
1`I#4f Oo`b#!L if (isNaN(q) || isNaN(p))
Nk/Ms:57y return;
c69M
VsR`y]"g q = parseInt(q);
K$Yc!4M p = parseFloat(p);
*EzAo liG3
txts[txts.length-1].value = (q * p).toFixed(2);
'<KzWxuC }
^bckl
tSo </script>
]J6+nA6)
bmu<V1[W ,';+A{aV G)wIxm$?0 "K$
y(}C 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。
\`: LPe page_load
ICI8xP}a? page.smartNavigation=true
*S>,5R0k fP
5!`8 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 ?
?.&?4*u private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
uH?lj& {
4,g3 c for(int i=0;i<e.Item.Cells.Count-1;i++)
#$(wfb9 if(e.Item.ItemType==ListItemType.EditType)
z0m[25FQG {
!kg)8 4C[ e.Item.Cells.Attributes.Add("Width", "80px")
tf@x} }
iWNTI }
L7qlvS Q >5!/&D.q 26.对话框
J"dp?i private static string ScriptBegin = "<script language=\"JavaScript\">";
ALY%
h!L private static string ScriptEnd = "</script>";
UZUG?UUM !saKAb}d7H public static void ConfirmMessageBox(string PageTarget,string Content)
*cn#W]AE {
3((53@s98 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Y)X58_En _*w}"\4_ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
b1{XGK' fMFlY%@t Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
pd{;`EW| ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
%C8fv|@:f //Response.Write(strScript);
k^PqB+P! }
(B zf~#]~
YErn50L 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
W<uL{k.Kpd 6}6ky9 1.1 取当前年月日时分秒
]m(5>h# currentTime=System.DateTime.Now;
Y;eJo ]Zf@NY 1.2 取当前年
.W+ F<]r int 年= DateTime.Now.Year;
WPM<Qv L m'%Z53& 1.3 取当前月
r6-'p0| int 月= DateTime.Now.Month;
-=]LQHuQ {l7@<xZ??M 1.4 取当前日
*X^__PS] int 日= DateTime.Now.Day;
x6x6N&f? s!E-+Gw 1.5 取当前时
=9;jVaEMJL int 时= DateTime.Now.Hour;
Ueyt}44.e2 Q nqU!6k@ 1.6 取当前分
+C)auzY7N int 分= DateTime.Now.Minute;
=`X;fz uhLg2G^h 1.7 取当前秒
^JMSe- int 秒= DateTime.Now.Second;
:6z0Ep" BVC{Zq6hi 1.8 取当前毫秒
Fq5);sX= int 毫秒= DateTime.Now.Millisecond;
0OMyE9jJJ []Z| *+=Q 28.自定义分页代码:
(;T;?v`- u[jdYWQa 先定义变量 :
2r~ Nh]( public static int pageCount; //总页面数
XfxNyZsy&> public static int curPageIndex=1; //当前页面
Xklp6{VH9 NwG&uc+Q 下一页:
9CWUhS
if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
o+O\VNW {
FK#>E[[ DataGrid1.CurrentPageIndex += 1;
Iq\sf-1E curPageIndex+=1;
9_ Qm_ }
*0R=(Gy /d >fp bind(); // DataGrid1数据绑定函数
M{7EFTy!y "7)F";_(^ 上一页:
C({L4O#?o if(DataGrid1.CurrentPageIndex >0)
xL>0&R {
j<+iL]b DataGrid1.CurrentPageIndex += 1;
\+MR`\|3 curPageIndex-=1;
,[bcyf }
wrn[q{dX :7Vm]xd}do bind(); // DataGrid1数据绑定函数
4:<0i0)5 9~,eu 直接页面跳转:
oUw-l_ M] int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
z6G^ BaT' }
2)s% if(a<DataGrid1.PageCount)
D2!ww{t {
LTtfOcrt this.DataGrid1.CurrentPageIndex=a;
-r-`T
s }
\lR~!6: =WEfo; bind();
;gm){ g &r<<4J(t 29.DataGrid使用:
\hM6 ykY- +n MgQOs 添加删除确认:
4kg9R^0 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
jgbw'BBu {
JpDYB foreach(DataGridItem di in this.DataGrid1.Items)
5Cy)#Z{ {
wKY6[ vvF if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
|x< {
\0 WMb ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
/2HwK/RZ }
%k$C }
dIO\ lL
}
}UGPEf\ J*U(f{Q( 样式交替:
74Q?%X ListItemType itemType = e.Item.ItemType;
g>im2AD+e ^1cqx]>E if (itemType == ListItemType.Item )
Y5MHd>m {
LOida# R e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
"W+4`A(/l e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
\R-u+ci$ZY }
N M8F else if( itemType == ListItemType.AlternatingItem)
Z@ws,f^e {
v8%]^` ' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
i^IvT e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
n1ED _9 }
QHs]~Ja 5h>
gz 添加一个编号列:
%?wuKZLnc DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
N{9<Tf * DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
6U/wFT!7$ a|7V{pp=M for(int i=0;i<dt.Rows.Count;i++)
+u=xBhZ {
;C"J5RA dt.Rows["number"]=(i+1).ToString();
p-7dJ }
f8&=D4)-w zWY6D4 DataGrid1.DataSource=dt;
ADBw" ? > DataGrid1.DataBind();
nlmkkTHF8 I'@ }Yjm| DataGrid1中添加一个CheckBox,页面中添加一个全选框
@s
IZ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
z{n=G {
r\NnWS J foreach(DataGridItem thisitem in DataGrid1.Items)
J5o"JRJ" {
So8P8TCK ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
UJm`GO }
XW#4C*5?d }
Lw#hnLI. J`mp8?;% 将当前页面中DataGrid1显示的数据全部删除
.Nf*Yqs0 foreach(DataGridItem thisitem in DataGrid1.Items)
+'Ge?(E4_ {
2)8lJXM$L if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
k{bba=< {
q/3}8BJ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
8EE7mEmLH Del (strloginid); //删除函数
Z0'3.D,l }
Rp<Xu6r }
rb_G0/R ZE\t{s0 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
T5Fah#-4 w}1)am&pD 在Application_Start中添加以下代码:
Sph+kiy| Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
/d=$,q1 AppSettings["ConnStr"].ToString();
3|?fGT;P E+2y-B)E 31. 变量.ToString()
Z~nl{P# };+s0:H 字符型转换 转为字符串
zyR pHM$E 12345.ToString("n"); //生成 12,345.00
C}>)IH 12345.ToString("C"); //生成 ¥12,345.00
YG8oy!Zl 12345.ToString("e"); //生成 1.234500e+004
g/@C ESfm' 12345.ToString("f4"); //生成 12345.0000
?SAi tQ3 12345.ToString("x"); //生成 3039 (16进制)
fBF}-{VX( 12345.ToString("p"); //生成 1,234,500.00%
vK{K#{ "_l[4o[D 32、变量.Substring(参数1,参数2);
H{XW?O^@ <h}?0NA4 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
Ww p^dx`! <Q0&[q;Z 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Yx%%+c?. <SCRIPT language="javascript">
wLO/2V}/ <!--
Qm-P& g- function gook(pws)
gky_]7Av {
.Sn1YAhE frm.submit();
f65Sr"qB3 }
VO`A //-->
) )F.|w 9C.cz\E </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
=,'Z6?%p
<form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
gMvvDP!Wp <tr>
pE<' '` <td>
lV
9q;!/1 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
CL*%06QyE <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
'!I?C/49k <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
8tL61x{] L8G4K) <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
4{?x(~ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
tWiV0PTI bDo'hDmW </td>
_"bx#B* 3u^TJt) </tr>
(wfg84 p\WUk@4 </form>
7S`H?},sR qcot
T\rq 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
hmH$_YP} qWFg~s#+ 下面是获取用户输入的登陆信息的代码:
cTnbI4S; string name;
Y'5ck( name=Request.QueryString["EmailName"];
LZVO9e] .9xGLmg try
Ae#6=]V+^ {
MH?B.2 int a=name.IndexOf("@",0,name.Length);
r Lh
h f_user.Value=name.Substring(0,a);
=<05PB f_domain.Value=name.Substring(a+1,name.Length-(a+1));
_:L*{=N f_pass.Value=Request.QueryString["Psw"];
6S<$7=$= }
6bGD8; Kv]6 b2HT catch
a)1,/:7' {
a}K+w7VY\ Script.Alert("错误的邮箱!");
l)8 V:MK Server.Transfer("index.aspx");
-?RQ%Ue }