1. 打开新的窗口并传送参数:
L2{b~`UvP <)VNEy' 传送参数:
ZZJ<JdD response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
.kZ<Q]Vk =}m'qy 接收参数:
Ah Rvyj string a = Request.QueryString("id");
r
l>e~i string b = Request.QueryString("id1");
RE.t<VasP gib'f@i ; 2.为按钮添加对话框
\3 M%vJ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
/{FSG! button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
35Cm>X Be~In~~ 3.删除表格选定记录
[['
(,,r int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
rkWiGiisM string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
:3.!?mOe2 ;Wedj\Kkp 4.删除表格记录警告
]/c!;z private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
734<X6^1 {
c);vl% switch(e.Item.ItemType)
2b^E8+r9 {
v#b( 0G case ListItemType.Item :
rhj_cw case ListItemType.AlternatingItem :
[VY265)g case ListItemType.EditItem:
!1[ZfTX^a TableCell myTableCell;
3fdqFJ O myTableCell = e.Item.Cells[14];
w'zSV1 LinkButton myDeleteButton ;
EKf! j3 myDeleteButton = (LinkButton)myTableCell.Controls[0];
CQ/ps,~M myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
%{ +>\0x break;
`IH*~d] default:
~__rI-/_ break;
ak$D1#hY }
/5"RedP< NXSjN~aG2 }
( =t41-l |0xP'( 5.点击表格行链接另一页
OXD*ZKi8 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
BT*{&'\/ {
VJOB+CKE //点击表格打开
Y20T$5{# if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]qO*(m:}o e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
OSIf>1 }
t 4>\; *:8,w?Nt 双击表格连接到另一页
LXf* ~w"e 2a 在itemDataBind事件中
+r$ M 9 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2*TPW {
nZ8jBCh string OrderItemID =e.item.cells[1].Text;
]7J* (,sp ...
/A1qTG=Br e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
cd]def[d }
A&L2&ofV&q Wh^wKF~% 双击表格打开新一页
X{tfF!+iy if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
rL|9Xru {
. 9@y*_9 string OrderItemID =e.item.cells[1].Text;
!;E{D ...
&Rt^G e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
'W*ODAz6 }
~As_O6JI ,QPo%{:p ★特别注意:【?id=】 处不能为 【?id =】
ChRCsu~ 6.表格超连接列传递参数
KZ$^Q<d^ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
grTwo <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
!]l;n
Fd g4}K6)@ 7.表格点击改变颜色
Nc:0opPM if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
n |Q'> {
2aJ_[3p/h] e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
v?s%qb= T this.style.color=’buttontext’;this.style.cursor=’default’;");
U)C>^ !Us }
ie}?}s !a^'Jbb 写在DataGrid的_ItemDataBound里
/kNSB; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_6]c f!H {
PYr'1D' e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
/PZxF this.style.color=’buttontext’;this.style.cursor=’default’;");
Y;#H0v>E e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
BoP,MpF }
I\Pw` M+-1/vR *@ A?"/ >LM 8.关于日期格式
m4,inA:o W3w$nV 日期格式设定
1)J'
pDa DataFormatString="{0:yyyy-MM-dd}"
rnRWL4 y;=/S?L.: 我觉得应该在itembound事件中
"GB493=v e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
X.[8L^ldh '4,>#D8@O 9.获取错误信息并到指定页面
!+_X q$9_
~RRS{\, 不要使用Response.Redirect,而应该使用Server.Transfer
cS RmC Vu;z|L e.g
gfQ1p ? // in global.asax
X{8g2](z. protected void Application_Error(Object sender, EventArgs e) {
Pa-{bhllu) if (Server.GetLastError() is HttpUnhandledException)
jO}<W 1qy Server.Transfer("MyErrorPage.aspx");
A 1B_EX. !xE@r,'oN //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
`c? 8i }
5Yr$tl\k bFsJqA.A 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
}xpo@(e RKb ( 10.清空Cookie
|vgYi Cookie.Expires=[DateTime];
Zb$P`~(% Response.Cookies("UserName").Expires = 0
`!y/$7p
f[-$##S.~ 11.自定义异常处理
2q ~y\fe //自定义异常处理类
rT';7>{g using System;
[U_ using System.Diagnostics;
Le*gdoW . 0X4I-xx# namespace MyAppException
|nmt /[ {
l09DH+ /// <summary>
v)<|@TD) /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Lc_cB` /// 自动将异常内容记录到Windows NT/2000的应用程序日志
B~2M/&rM\ /// </summary>
aRcVoOq public class AppException:System.ApplicationException
?63ep:QEk {
#sM*<2vj public AppException()
KN".0WU {
MY l9 &8 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
+^ `n- m }
GuKiNYI_ 3`Gb;D public AppException(string message)
i= jYl {
jbp?6GW LogEvent(message);
lQ#='Jqfp }
;@H:+R+( Ca
?d8 public AppException(string message,Exception innerException)
f47dB_{5f. {
c+501's LogEvent(message);
,M=s3D8C if (innerException != null)
=)nJ'}x {
*+_+ZDU LogEvent(innerException.Message);
f"t+r
/d }
I.it4~]H }
L;v.X'f mDO! o //日志记录类
'xGTaKlm, using System;
"O~kIT?/v using System.Configuration;
-t: U4r( using System.Diagnostics;
"[0.a\ d< using System.IO;
C8D`:k
using System.Text;
SGu`vN] using System.Threading;
Z>pZ| Q 3/J@MC namespace MyEventLog
vsJDVJ += {
<`WcI`IAb /// <summary>
d>V#?1$h /// 事件日志记录类,提供事件日志记录支持
F?t;bV /// <remarks>
3Hi8=* /// 定义了4个日志记录方法 (error, warning, info, trace)
+
]iK^y-.r /// </remarks>
}ld^zyL /// </summary>
^U##9KkP public class ApplicationLog
LCW}1H:Q {
;,s9jw /// <summary>
hii#kB2 /// 将错误信息记录到Win2000/NT事件日志中
C7K]c4T /// <param name="message">需要记录的文本信息</param>
""*g\ /// </summary>
,c&gw tdl public static void WriteError(String message)
^I)+u>fJ {
ij1YV2v WriteLog(TraceLevel.Error, message);
]n3!%0]\ }
28vQ k U0.:Gcc /// <summary>
45&Rl,2 /// 将警告信息记录到Win2000/NT事件日志中
{C0Y8:"` /// <param name="message">需要记录的文本信息</param>
+.Xi7x+#O /// </summary>
d.HcO^ public static void WriteWarning(String message)
';v1AX}5q {
}}Z2@} WriteLog(TraceLevel.Warning, message);
6";
ITU^v }
mF4y0r0 @9R78Zra /// <summary>
)S;3WnQ) /// 将提示信息记录到Win2000/NT事件日志中
txE+A/>i9 /// <param name="message">需要记录的文本信息</param>
Qe-PW9C /// </summary>
|a%Wd public static void WriteInfo(String message)
hzT)5'_ {
F|@\IVEB] WriteLog(TraceLevel.Info, message);
Tgh?=]H }
-hc8IS /// <summary>
v0?SN>fZ /// 将跟踪信息记录到Win2000/NT事件日志中
vmh>|N4a7 /// <param name="message">需要记录的文本信息</param>
3gnO)"$ /// </summary>
&x;n^W;# public static void WriteTrace(String message)
>P]gjYN {
.R
l7,1\ WriteLog(TraceLevel.Verbose, message);
Pm,.[5uc }
x2'pl
(^ 4-I7"pW5 /// <summary>
".2d{B /// 格式化记录到事件日志的文本信息格式
*f_A:`: /// <param name="ex">需要格式化的异常对象</param>
7iyx_gyo
/// <param name="catchInfo">异常信息标题字符串.</param>
VJ?>o /// <retvalue>
+bT[lJ2O>G /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
X?XB!D7[ /// </retvalue>
Cc;8+Z=a?G /// </summary>
X yiaRW public static String FormatException(Exception ex, String catchInfo)
E^Q
J50 {
q^?a|l StringBuilder strBuilder = new StringBuilder();
Qqx!'fft if (catchInfo != String.Empty)
Cy*.pzCi {
[P6m8%Y|s strBuilder.Append(catchInfo).Append("\r\n");
p_X{'=SQ1 }
m)3M) 8t strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
K/j u=> return strBuilder.ToString();
xaVn.&Wl }
r?!:%L BC\W`K /// <summary>
"eqzn KT%u /// 实际事件日志写入方法
'GT^araz /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
gS8+S\2 /// <param name="messageText">要记录的文本.</param>
*,IK4F6>: /// </summary>
- Ry+WS= private static void WriteLog(TraceLevel level, String messageText)
;<_a ,5\Q {
P$Oj3HD LM try
}2iR=$2 {
H5V>d EventLogEntryType LogEntryType;
.FC+ switch (level)
DR,7rT{$ {
r7L.W case TraceLevel.Error:
1z-A3a/- LogEntryType = EventLogEntryType.Error;
v/=\( break;
>^GV
#z case TraceLevel.Warning:
U^7bj LogEntryType = EventLogEntryType.Warning;
<i]0EE}% break;
s]|tKQGl, case TraceLevel.Info:
w%8y5v5 LogEntryType = EventLogEntryType.Information;
qDYNY` break;
1U/RMN3` case TraceLevel.Verbose:
:~#)Xa0I LogEntryType = EventLogEntryType.SuccessAudit;
W]bgWKd break;
vhAgX0k default:
a2tEp+7? LogEntryType = EventLogEntryType.SuccessAudit;
GM?s8yZ< break;
aKWxL e }
^g5E&0a`g k!}(a0h EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
8A.7q //写入事件日志
M=lU`Sm eventLog.WriteEntry(messageText, LogEntryType);
.a7RGT3]m CtV|oeJ }
gPT_}#_GxM catch {} //忽略任何异常
8?Ju\W }
^L)TfI_n } //class ApplicationLog
T&+3Xi: }
6@t& 2QM{e!9 12.Panel 横向滚动,纵向自动扩展
K3M.ZRh\;` <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
'^>}
=f 8Znr1=1
13.回车转换成Tab
4(LLRzzW <script language="javascript" for="document" event="onkeydown">
h`dQOH# if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
BgQ/$, event.keyCode=9;
J?yasjjgP </script>
M<d!j I9) RL/y7M1j onkeydown="if(event.keyCode==13) event.keyCode=9"
[P =P8-5 AvB=/p@] 14.DataGrid超级连接列
IZ7o6Etti DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
_+NjfF| 2#sFY/@ 15.DataGrid行随鼠标变色
ybw\^t private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
pGjwI3_K {
, ?U)mYhI if (e.Item.ItemType!=ListItemType.Header)
6]~/`6Dub {
\Ta5c31S+ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
PJ0~ymE1~G e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
]% HxzJ }
q,O_y<uw }
yxHo0U ,?er AI 16.模板列
-grmmE]/ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
ZY]$MZf5yo <ITEMTEMPLATE>
^4+NPk
<ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
E+qLj|IU </ITEMTEMPLATE>
lZL+j6Q </ASP:TEMPLATECOLUMN>
1W{ oj "nCK%w= <ASP:TEMPLATECOLUMN headertext="选中">
5WJ ~%"O <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
n qO*z< <ITEMTEMPLATE>
G)%V 3h <ASP:CHECKBOX id="chkExport" runat="server" />
Um{) ?1 </ITEMTEMPLATE>
{$hWz ( <EDITITEMTEMPLATE>
dGm%If9P <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
$f0u </EDITITEMTEMPLATE>
19qHWU^0V </ASP:TEMPLATECOLUMN>
Pz{MYw 4KtD
k 后台代码
oI/_WY[t protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
][jwy-Uy; {
5\C(2naf //改变列的选定,实现全选或全不选。
8sG?|u CheckBox chkExport ;
[0y,K{8t if( CheckAll.Checked)
|ymW0gh7o$ {
r9WR1&T) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Dg.~"h5mT {
:_6o|9J\t chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
U&1O chkExport.Checked = true;
:ig=zETM }
#o/;du }
.1RQ}Ro,< else
<<u]WsW{C {
`e<IO_cg foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
6E-eD\?I& {
JCnHEH chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
O}zHkcL chkExport.Checked = false;
o#\L4P(J }
jH9PD8D\ }
@I?,!3`jS }
'1LN)Yw /~u^@@. 17.数字格式化
^UJIDg7zS xOKJOl 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Z9$pY=8^? <%#Container.DataItem("price","{0:¥#,##0.00}")%>
@2h hB W >IrQhSF
int i=123456;
7;q0'_G string s=i.ToString("###,###.00");
eLPtdP5k IC'+{3.m8 18.日期格式化
Ft11?D
B S/) ),~`4 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
9;v3
(U+: <Hr<QiAK 显示为: 2004-8-11 19:44:28
#1E4
R}B yKl^-%Uq< 我只想要:2004-8-11 】
;&=CZ6vH <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
}.)R#hG? >8I~i:hn 应该如何改?
3]?='Qq.( Ebs]]a>PO 【格式化日期】
"zJ xWXI k1xx>=md|C 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
0SYJ*7lPX
S?JCi= 【日期的验证表达式】
7V::P_aUY xIm2t~io A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
'yX\y
6I ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
;X+tCkzF e8> X5 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
/!5ohQlPJ ^\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]))$
PWl;pBo KBtqtE'(L 【大小写转换】
?%~p@ HttpUtility.HtmlEncode(string);
`RSiZ%Al HttpUtility.HtmlDecode(string)
;%2+Tc-7I
gPB=Z! 19.如何设定全局变量
,= ApnNUgX S;#:~?dU Global.asax中
a%m
)8N;C 5*Zz_ . Application_Start()事件中
^2$b8]q YU-wE';H6 添加Application[属性名] = xxx;
TxK
v!-1 \A\ 就是你的全局变量
,c`6- {z_cczJ- 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
/ojwOJ a. D cmy{ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
W?zj^y[w j:1N&7<FU 【ASPNETMENU】点击菜单项弹出新窗口
02;'"EmP$ YX,;z/Jw2 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
seK;TQ3/7 <?xml version="1.0" encoding="GB2312"?>
VdM Ksx`r <MenuData ImagesBaseURL="images/">
@4*eH\3 <MenuGroup>
vzI>:Bf <MenuItem Label="内参信息" URL="Infomation.aspx" >
i=n;rT <MenuGroup ID="BBC">
liPrxuP` <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
L@[}sMdq( <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
V)~b+D ......
Z1q<) O1QX !%t@wQ]\hG 最好将你的aspnetmenu升级到1.2版
q[qX O5 8BAe6-*S8 21.读取DataGrid控件TextBox值
s-Gd{=%/q foreach(DataGrid dgi in yourDataGrid.Items)
;q9Y%* {
{=
&&J@: TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
-FZNk} tb.Text....
1VFCK& }
#]c_2V F-:AT$Ok 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?
`$1A;wg< TxQsi"0c 〖思归〗
0AWxU?$A4 <asp:TemplateColumn HeaderText="数量">
"B__a( <ItemTemplate>
}o!b3*# <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
WP\kg\o onkeyup="javascript:DoCal()"
j7g>r/1eE />
^^ix4[1$Z J#wf`VR% <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
nt>3 i! l </ItemTemplate>
/!Ag/SmS!9 </asp:TemplateColumn>
P|ibUxSA~, J3aom,$o <asp:TemplateColumn HeaderText="单价">
}KUK|p5 <ItemTemplate>
e/g9r <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
6bj77CoB onkeyup="javascript:DoCal()"
fI;nVRfp />
aj1g9y <e
9d5-2 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
)!AH0p 6W YVHG </ItemTemplate>
Z"Lr5'} </asp:TemplateColumn>
4s|qxCks \anOOn@ <asp:TemplateColumn HeaderText="金额">
3%9XJ]Qao <ItemTemplate>
`*Wg&u <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
RRyD<7s1 </ItemTemplate>
mnZfk </asp:TemplateColumn><script language="javascript">
VgbT/v function DoCal()
GBS+ 4xL| {
7R5ebMW
V var e = event.srcElement;
*\:sHVyG( var row = e.parentNode.parentNode;
a6h+?Q7uF var txts = row.all.tags("INPUT");
`j'1V1 if (!txts.length || txts.length < 3)
|AExaO"jk return;
k fY; Xajt][ var q = txts[txts.length-3].value;
|ul{d| var p = txts[txts.length-2].value;
% mPv1$FH 'e<8j if (isNaN(q) || isNaN(p))
Y<Ae_yLa return;
mmjWLrhlu ?vWF[ DRd' q = parseInt(q);
_
j'm2BAO p = parseFloat(p);
"usPzp5 >f&L7@ txts[txts.length-1].value = (q * p).toFixed(2);
;=P!fvHk }
D{d%*hlI 3 </script>
t&JOASYC d7X7_ mg._ c PS!or!m MR4k#{:w 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
Y>c+j page_load
<M5fk?n,| page.smartNavigation=true
1)97AkN(O a|]deJU^ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
.*"KCQGOgM private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
\TzBu?,v8 {
#:Q\ for(int i=0;i<e.Item.Cells.Count-1;i++)
QS4~":D/C if(e.Item.ItemType==ListItemType.EditType)
S~m8j|3K {
nRX'J5Q
m< e.Item.Cells.Attributes.Add("Width", "80px")
(u@X5O(a }
NyC&j`d }
TntTR"6aD ZjY?T)WE9 26.对话框
A^hafBa private static string ScriptBegin = "<script language=\"JavaScript\">";
u!+;Iy7 private static string ScriptEnd = "</script>";
OqH3.@eK 58mpW`Q public static void ConfirmMessageBox(string PageTarget,string Content)
Z"Q9^;0% {
D\J.6W string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
x<w-j[{k_K 6e.l#
c!1} ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
7z\#"~(. =%I;Y& K Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
-#4QY70H t ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
3
Sf':N`u //Response.Write(strScript);
;U a48pSv }
?Ec{%N% GKUjtPu 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
k
MV1$ OM7AK
B=S 1.1 取当前年月日时分秒
fV6ddh currentTime=System.DateTime.Now;
'F/uD1; c%wztP;L 1.2 取当前年
jc!V|w^ int 年= DateTime.Now.Year;
%ib7)8Ki0 z wwJyy%/ 1.3 取当前月
nu|,wE!i int 月= DateTime.Now.Month;
C(>g4.-p8 h'vBWtMa 1.4 取当前日
=l]
lwA- int 日= DateTime.Now.Day;
Ed_Fx' 5~[][VV^ 1.5 取当前时
F]N?_ bo int 时= DateTime.Now.Hour;
\?Xoa"^ h^,L) E 1.6 取当前分
-I*vl int 分= DateTime.Now.Minute;
I^n,v )
8 heWQPM|s 1.7 取当前秒
aehB,l0 int 秒= DateTime.Now.Second;
K2v[_a~@ k7sD"xR3 1.8 取当前毫秒
i>-#QKqJ int 毫秒= DateTime.Now.Millisecond;
33~8@]b bl10kI:F 28.自定义分页代码:
qMA";Frt3N Ll#W:~ 先定义变量 :
Z rgv* public static int pageCount; //总页面数
5xj8^W^G9 public static int curPageIndex=1; //当前页面
@li/Y6Wh qq?o^_^4 下一页:
QTN24 q4 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Gv#bd05X {
oxI?7dy5 DataGrid1.CurrentPageIndex += 1;
x wwL
curPageIndex+=1;
B
o%Sl }
])?h~
MIiBNNURX bind(); // DataGrid1数据绑定函数
mxpw4 xBf->o S? 上一页:
G-:7,9 if(DataGrid1.CurrentPageIndex >0)
7>0/$i#'Vl {
x]R0zol DataGrid1.CurrentPageIndex += 1;
]!jfrj curPageIndex-=1;
{(tR<z) }
/9Qr1@&v v:w^$]4 bind(); // DataGrid1数据绑定函数
NMC0y|G V_ntS&2o 直接页面跳转:
=@hCc int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
PJ<qqA`! }1CvbB%,A if(a<DataGrid1.PageCount)
)1GJ^h$l {
!\Cu J5U this.DataGrid1.CurrentPageIndex=a;
0pH$MkQ }
@~5Fcfmm _^ n>kLd$ bind();
(eHTXk*V` E!L_"GW 29.DataGrid使用:
S{{wcH$n'i xjrL@LO# 添加删除确认:
3hA5"G+7 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
g!cW`B' {
,,ML^ey foreach(DataGridItem di in this.DataGrid1.Items)
;Qc^xIPy {
K7i@7 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
y,qn 9 {
/^X)>1)j ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
>CHb;*U }
HJlxpX$_ }
qT#NS&T!- }
Ip *8R]W 3l$ D%y 样式交替:
~I~lb/ ListItemType itemType = e.Item.ItemType;
W?[
C
au- /2tPd if (itemType == ListItemType.Item )
=hI;5KF {
s
E;2;2u" e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
82 o|(pw e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
d-8{}Q }
l701$>> else if( itemType == ListItemType.AlternatingItem)
h&~9?B {
' hdLQ\J e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
7)FYAk$@ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
J]Rh+@r. }
xokA_3,1F Q"3gvIyc 添加一个编号列:
#6pJw?[ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
0+.<BOcW5 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
oE0~F|(\1 Deq@T { for(int i=0;i<dt.Rows.Count;i++)
o5m]Gqa {
B^{~,' dt.Rows["number"]=(i+1).ToString();
_!w69>Nj }
TpdYU*z_Br LX =cx$K DataGrid1.DataSource=dt;
0vMKyT3 c DataGrid1.DataBind();
O:imX>|u BQs\!~Ux2 DataGrid1中添加一个CheckBox,页面中添加一个全选框
su\`E&0V+ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
",aEN=+|hV {
Q9;VSF) foreach(DataGridItem thisitem in DataGrid1.Items)
k"m+i {
B$S@xD $ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
Y)#,6\=U }
gtqtFrleG }
7`^=Ie%(K #nmh=G?\Sm 将当前页面中DataGrid1显示的数据全部删除
VA %lJ!$ foreach(DataGridItem thisitem in DataGrid1.Items)
Y@ vC!C {
Fzn! if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
7I;0%sVQ{ {
!Y/S 2J string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
<UTO\w% Del (strloginid); //删除函数
pOj8-rr }
5XuQQ!` }
\!%~(FM 90ov[|MkM 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)
{!! 8 *ix f'BmIFb# 在Application_Start中添加以下代码:
W*,$0 t Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
>X5RRSo AppSettings["ConnStr"].ToString();
,vBB". LY' xqauSW 31. 变量.ToString()
:8N{;aui Xo6zeLHO 字符型转换 转为字符串
st >%U9 12345.ToString("n"); //生成 12,345.00
+6n\5+5 12345.ToString("C"); //生成 ¥12,345.00
'aS: Azb 12345.ToString("e"); //生成 1.234500e+004
A7T(p7pP 12345.ToString("f4"); //生成 12345.0000
Z|A+\#' 12345.ToString("x"); //生成 3039 (16进制)
57_AJT hR 12345.ToString("p"); //生成 1,234,500.00%
v+( P 4fS WHu[A/##'] 32、变量.Substring(参数1,参数2);
E5a7p. >4Qj+ou 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
H|'n|\{lt `3z6y&dmx 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Q@"!uB.e <SCRIPT language="javascript">
&z>iqm"Ww <!--
UMHFq- function gook(pws)
8?w#=@ s {
Zm+GH^f' frm.submit();
Q<yvpT( }
7Jpq7; //-->
};f^*KZ=0 &y-z[GR[{ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
3PkU>+.6 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
jY ;Hdb'' <tr>
}|nEbM]# <td>
f?(g5o*2 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
<y#@v G <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
7dOpJjv?) <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
#E#@6ZomT &3itBQF <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
a%QgL&_5 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
1k{H,p7 M[e^Z}w.V </td>
=6=l.qyYK shiw;.vR{B </tr>
7Q~$&G ziv+*Qn_b4 </form>
G)gb5VW k sXY{g0% 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。
)"63g *g4Uo{ 下面是获取用户输入的登陆信息的代码:
PK&X |
h string name;
5JG`FRW! name=Request.QueryString["EmailName"];
yvnvI y 2<d'!cm try
Pu'lp
O {
XMaw:Fgr int a=name.IndexOf("@",0,name.Length);
;R3o$ZlY f_user.Value=name.Substring(0,a);
:J+ANIRI f_domain.Value=name.Substring(a+1,name.Length-(a+1));
l>("L9 f_pass.Value=Request.QueryString["Psw"];
R?J8#JPXD }
51ILR9 Bc_ v7D0E[)~ catch
$-\%%n0>6 {
v7@*dg Script.Alert("错误的邮箱!");
$-(lp0\*
Server.Transfer("index.aspx");
SUL\|z`5 }