1. 打开新的窗口并传送参数:
oO][X y(*#0fJrTV 传送参数:
CyD)=e{ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
n0tVAH'> -VkPy<) 接收参数:
6>j0geFyE2 string a = Request.QueryString("id");
W;!)Sj4<T! string b = Request.QueryString("id1");
q1vsvL9Q j=n<s</V 2.为按钮添加对话框
|7%#z~rT Button1.Attributes.Add("onclick","return confirm(’确认?’)");
R/?ZbMn]! button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
jRNDi_u?Wb ;eT+Ly|{ 3.删除表格选定记录
q-TDg0 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
gMUCVKGf string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
QB L| n+ B):hm 4.删除表格记录警告
vw[i.af private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
?"L ^0% {
y]b&3& switch(e.Item.ItemType)
! ,&{1p {
/L*JHNu"_ case ListItemType.Item :
H?tX^HO:q case ListItemType.AlternatingItem :
D%!GY1wdn case ListItemType.EditItem:
^Rc*X'Iz(! TableCell myTableCell;
u @#fOu myTableCell = e.Item.Cells[14];
OO*2>Qy~z LinkButton myDeleteButton ;
7j8Ou3 myDeleteButton = (LinkButton)myTableCell.Controls[0];
K | '`w. myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
T1W H break;
_FtsO<p)" default:
>m#bj^F\ break;
yrQfPR }
sglH=0MP !?5YXI, }
NGVl/Qd u?I 2|}# 5.点击表格行链接另一页
~NG+DyGa= private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
LGT?/gup {
5`p>BJ+n //点击表格打开
^vha4<'-qG if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
MkX=34oc^ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
}0idFotck }
U*:E|'> ndS8p]P&o( 双击表格连接到另一页
%3@-.= {pk]p~ 在itemDataBind事件中
e"&QQ-q if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3oBR {
|(3"_ string OrderItemID =e.item.cells[1].Text;
uS7kkzt-x ...
v:?l C<, e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
D-4{9[ }
j9~lf 52t6_!y+V 双击表格打开新一页
20cEE> if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
D`3`5.b {
-rlCE-S string OrderItemID =e.item.cells[1].Text;
}No8t o ...
p((a(Q/ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
fs0EbVDF }
%uDH_J|^ y~^-I5!_ u ★特别注意:【?id=】 处不能为 【?id =】
Bu"5NB 6.表格超连接列传递参数
_BZ6Ws$C2 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
8\Bb7* <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
d
r$E:kr .zv BV_I 7.表格点击改变颜色
4d\V=_);r if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
N5. B"l {
CD[}|N e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
ZQ{-6VCjl this.style.color=’buttontext’;this.style.cursor=’default’;");
gUY~
l= c }
a'(B}B=h
'^M.;Giz 写在DataGrid的_ItemDataBound里
X}H?*'- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
8p]9A,Uq& {
;OZl'
. %` e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
@MO/LvD this.style.color=’buttontext’;this.style.cursor=’default’;");
2P ^x'I e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
\P7<q,OGS }
)3k?{1: es<8"CcP y/+IPR 8.关于日期格式
rFaG-R
6ZfL-E{ 日期格式设定
HI7w@V8Ed DataFormatString="{0:yyyy-MM-dd}"
LVT:oIQ V!/9GeIF 我觉得应该在itembound事件中
%77uc9} e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
aK/fZ$Qc o59b#9 9.获取错误信息并到指定页面
yK-DzAv aa"3
Io 不要使用Response.Redirect,而应该使用Server.Transfer
h"nhDART< tAsap}( e.g
SDB \6[D // in global.asax
?tA%A protected void Application_Error(Object sender, EventArgs e) {
dz!m8D0 if (Server.GetLastError() is HttpUnhandledException)
y%?'<j Server.Transfer("MyErrorPage.aspx");
$ ^@fV=e `aTw!QBfG //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
+lb&_eD }
Ec@cW6g(% .N( X.C 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
F?[1m2 L9-Jwy2(> 10.清空Cookie
[S1 b\f# Cookie.Expires=[DateTime];
c0Pj})- Response.Cookies("UserName").Expires = 0
-K3d u&j p6V#!5Q 11.自定义异常处理
5z =}o/? //自定义异常处理类
YxrMr9>l1 using System;
*jvP4Nz)k using System.Diagnostics;
KA{&NFx D|ra ;d namespace MyAppException
(;&}\OX6nm {
`So/G /// <summary>
,J,Rup">h /// 从系统异常类ApplicationException继承的应用程序异常处理类。
D<|$ZuB4 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
@Pf9;7,TV /// </summary>
h3-^RE5\`S public class AppException:System.ApplicationException
6~Dyr82"B {
HNCu:$Wr@ public AppException()
E- [Eg {
yjsj+K
pL if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
X</Sl>[8 }
6aOyI;Ux ~_Fx2T:X public AppException(string message)
JsNj!aeU% {
NU3TXO LogEvent(message);
L""ZI5J{F9 }
zjh:jrv~ Arm'0)B> public AppException(string message,Exception innerException)
0|.jIix; {
qajZ~oB{ LogEvent(message);
vbn=ywz if (innerException != null)
BGxwPJd {
AO>b\,0Me LogEvent(innerException.Message);
g$^-WmX\m }
}X?#"JFX? }
~\<$H' fgeh;cD //日志记录类
e4,SR(O> using System;
jU~ x^Y using System.Configuration;
[^s;Ggi9 using System.Diagnostics;
+<.o,3 using System.IO;
w;yzgj:n&f using System.Text;
tsL
; wT_ using System.Threading;
5a'`%b{{ ^3BPOK[*gB namespace MyEventLog
IdN3Ea] {
r5N TTc
/// <summary>
?&;_>0P /// 事件日志记录类,提供事件日志记录支持
W#~7X /// <remarks>
>mX6;6FF /// 定义了4个日志记录方法 (error, warning, info, trace)
icIn>i<m /// </remarks>
|=*)a2 /// </summary>
KILX?Pt[7 public class ApplicationLog
`-.2Z
0 {
%~PcJhz /// <summary>
| bRU=dg /// 将错误信息记录到Win2000/NT事件日志中
r'j88)^ /// <param name="message">需要记录的文本信息</param>
NS2vA>n8R /// </summary>
IycZ\^5 *- public static void WriteError(String message)
%jy$4qAf% {
in/~' u WriteLog(TraceLevel.Error, message);
{'tfU }
5{k,/Z[L
\c4jGJ /// <summary>
P*BRebL: /// 将警告信息记录到Win2000/NT事件日志中
a`n)aXU l /// <param name="message">需要记录的文本信息</param>
N-?5[T" /// </summary>
F5RL+rU(h public static void WriteWarning(String message)
't}\U&L.{ {
lUB?eQuN_ WriteLog(TraceLevel.Warning, message);
<O
0Q]`i }
/uX*FZ Mq)]2>"v /// <summary>
WM?-BIlT= /// 将提示信息记录到Win2000/NT事件日志中
! e$ZOYe /// <param name="message">需要记录的文本信息</param>
$uDgBZA\ /// </summary>
X':FFD4h public static void WriteInfo(String message)
e|!' {
lQ`=PFh WriteLog(TraceLevel.Info, message);
!(F?`([A }
+4_, , I /// <summary>
M,_
$s, /// 将跟踪信息记录到Win2000/NT事件日志中
j=irx5: /// <param name="message">需要记录的文本信息</param>
sFz0:SqhE /// </summary>
cVW7I public static void WriteTrace(String message)
u6Gqg(7hw {
NOQ^HEi WriteLog(TraceLevel.Verbose, message);
TPJF?.le
' }
cyJ{AS+ HvG %## /// <summary>
dT*Yv`h /// 格式化记录到事件日志的文本信息格式
m6mGcbpn /// <param name="ex">需要格式化的异常对象</param>
+FqD.= 8 /// <param name="catchInfo">异常信息标题字符串.</param>
'wk,t^) /// <retvalue>
K<*6E@+i /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
}x`Cnn /// </retvalue>
v#qd q!64 /// </summary>
h'-4nu;* public static String FormatException(Exception ex, String catchInfo)
?h&XIM( {
z1Bi#/i StringBuilder strBuilder = new StringBuilder();
?'TK~,dG/ if (catchInfo != String.Empty)
g~y0,0'j1\ {
e9{0hw7 strBuilder.Append(catchInfo).Append("\r\n");
BA:x*(%~ }
H_$?b strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
U_"!\lI_yg return strBuilder.ToString();
aNEah }
ud`-w lf7bx}P* /// <summary>
Sc[#]2 } /// 实际事件日志写入方法
#
-luE /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Dhn7N8(LF! /// <param name="messageText">要记录的文本.</param>
y(Gn+ /// </summary>
:,0(aB private static void WriteLog(TraceLevel level, String messageText)
h5'hP>b# {
>n09K8
A try
Y 3ApW vS {
-_ I)5*N EventLogEntryType LogEntryType;
/>S^`KSTM switch (level)
eZPeyYX {
\~hrS/$[$ case TraceLevel.Error:
N x&/p$d LogEntryType = EventLogEntryType.Error;
OKMdyyO<l break;
}CBQdH&g; case TraceLevel.Warning:
8<C*D".T$ LogEntryType = EventLogEntryType.Warning;
|&= -Nm break;
[j0[c9.p[ case TraceLevel.Info:
k)n
b<JW|r LogEntryType = EventLogEntryType.Information;
~-zTY&c_ break;
skcyLIb case TraceLevel.Verbose:
}N[X<9^Z LogEntryType = EventLogEntryType.SuccessAudit;
2L](4Q[M break;
754MQK|g default:
D!o[Sm}JO[ LogEntryType = EventLogEntryType.SuccessAudit;
G*9>TavE break;
$v@$C4 }
031"D*W'i $os]$5( EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
@.W; 3|~qc //写入事件日志
(+|+ELfqW eventLog.WriteEntry(messageText, LogEntryType);
py'vD3Q blgA`)GI }
w{W+WJ catch {} //忽略任何异常
f=l/Fp}4UH }
Rs<q^w] } //class ApplicationLog
s-"KABEE }
]
]U )wg -O *_+8f 12.Panel 横向滚动,纵向自动扩展
$t;:"i> <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
n=<c_a)Nb ?wB_fDb} 13.回车转换成Tab
a* cWj}u <script language="javascript" for="document" event="onkeydown">
.|O T#"LP if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
d{7ZO#E event.keyCode=9;
PeIx41. +s </script>
7\
_MA!:< oK\zyNK onkeydown="if(event.keyCode==13) event.keyCode=9"
>.Gmu [K3
te 14.DataGrid超级连接列
<_xG)vwh. DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
k77IXT_7u C .S BJ 15.DataGrid行随鼠标变色
e(8hSVcl4 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2#.s{ Bv {
WA(x]"" if (e.Item.ItemType!=ListItemType.Header)
KHAc!4lA {
t.9s4 9P e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
01?+j%k=m/ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
6'^E
],:b }
DPT6]pl"y }
K KB+o)*W UDG1F_&h 16.模板列
7% D 4 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
B"_O! <ITEMTEMPLATE>
PB@IPnB- <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
gE6'A </ITEMTEMPLATE>
,H{9`a#+: </ASP:TEMPLATECOLUMN>
yu'-'{% MrR`jXz <ASP:TEMPLATECOLUMN headertext="选中">
-P;0<j@6k5 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\n[kzi7 <ITEMTEMPLATE>
4QA~@pBX^{ <ASP:CHECKBOX id="chkExport" runat="server" />
o`iA& </ITEMTEMPLATE>
qzZ/%{Ak <EDITITEMTEMPLATE>
3>h2W <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
(mIjG)4t </EDITITEMTEMPLATE>
DquLr+s~ </ASP:TEMPLATECOLUMN>
wtYgHC}X 2=_$&oT** 后台代码
}b\hRy~=r protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
|SOLC {
VM%g QOo< //改变列的选定,实现全选或全不选。
INA3^p'w CheckBox chkExport ;
v[Q)L!J1 if( CheckAll.Checked)
T01Iu {
-P}A26qB foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
1Vu#:6% {
xF[%R{Mn' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
WML--<dU
chkExport.Checked = true;
C7C4
eW8 }
p^8a<e?f~f }
M8~3 0L else
<MbhBIejr {
"Wj{+|f foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
GeP={lj {
Wq4<9D chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Rf!v{\ chkExport.Checked = false;
fmixWL7.Zg }
~2Wus8X- }
-$:;en? }
tczJk1g} q\@Zf} 17.数字格式化
G%I
.u rQ.zqr 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
nB`|VYmOP1 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
X]=eC6M}:V vclc%ws int i=123456;
2K9X (th1 string s=i.ToString("###,###.00");
86{>X5 + gxl7jY 18.日期格式化
k;^$Pd?t f]r*;YEc4 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
P*6m~`"5 h^ Cm\V 显示为: 2004-8-11 19:44:28
wY<s [h'u@%N|/ 我只想要:2004-8-11 】
0OM^,5%8 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
+;~N; BT F-s{#V1= 应该如何改?
dy_Uh)$$|g 'JOCL0FP 【格式化日期】
Z{B
e w x]?D%l 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
K%dQ;C*? D\THe-Vtr 【日期的验证表达式】
8_}t,BC RvAgv[8 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
_3aE]\O[ ^((\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})))?$
(}39f a>OYJe B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
)7
Mss/2T ^\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]))$
)c4tGT< 7Vy_Cec1 【大小写转换】
<W#G)c0 HttpUtility.HtmlEncode(string);
tBGLEeL/. HttpUtility.HtmlDecode(string)
4NID:< 44u)F@) 19.如何设定全局变量
bW=q G (?Mn_FNE| Global.asax中
DU\ytD`u ?(gha Application_Start()事件中
vcFR Td >+J}mo=* 添加Application[属性名] = xxx;
M)#9Q=< S=,czs3N 就是你的全局变量
FygNWI ' +#eol~j9N 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Z;G*wM" D\_nqx9O HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
{N}az"T4f C$[iduS 【ASPNETMENU】点击菜单项弹出新窗口
IB&G#2M< 7"'RE95 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
h,$CJdDY] <?xml version="1.0" encoding="GB2312"?>
nriSVGi <MenuData ImagesBaseURL="images/">
|yk/iO( <MenuGroup>
$_F_%m"\ <MenuItem Label="内参信息" URL="Infomation.aspx" >
IVPN=jg? <MenuGroup ID="BBC">
\(pwHNSafk <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
C4(xtSJSd! <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
#$Zx ].[lc ......
,
@jtD*c) NWn*_@7; 最好将你的aspnetmenu升级到1.2版
O8 .iP+ 6]iU-k0b 21.读取DataGrid控件TextBox值
lNxP foreach(DataGrid dgi in yourDataGrid.Items)
Led\S;pl {
J>v[5FX+ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
OM1Z}%J tb.Text....
q7lC}'2fu }
+UDt2 5! );4+ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
>>T7;[h yo[Sh6r/9b 〖思归〗
>h8m)Q <asp:TemplateColumn HeaderText="数量">
!-`L1D_hy <ItemTemplate>
T{
@@V <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
T!,5dt8L onkeyup="javascript:DoCal()"
MJiVFfYW />
}OEL] 5 ]6M<c[H> <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
+\Vw:~e </ItemTemplate>
<<LLEdB </asp:TemplateColumn>
ML>M:Ik+ ht%qjE <asp:TemplateColumn HeaderText="单价">
48wt <ItemTemplate>
z@VL?A(3 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
$\ZWQct onkeyup="javascript:DoCal()"
#8h7C8]& />
D\5+2 G )f$4:Pq <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
b|-)p+ba Xb:*
KeZq </ItemTemplate>
)tBz=hy# </asp:TemplateColumn>
(qFZF7(Xa ke2dQ^kc4 <asp:TemplateColumn HeaderText="金额">
)ItABl[{ <ItemTemplate>
R|*0_!O:[ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
QD0x^v8 </ItemTemplate>
LN+x!#:e </asp:TemplateColumn><script language="javascript">
#qVTB@d function DoCal()
/4(HVua {
wKi#5k2 var e = event.srcElement;
vk
E]$4P[$ var row = e.parentNode.parentNode;
*jhgCm var txts = row.all.tags("INPUT");
bz>\n"' if (!txts.length || txts.length < 3)
C')KZ|JIC return;
WA2NjxYz xY]q[a?cy var q = txts[txts.length-3].value;
>bWpj8Kv var p = txts[txts.length-2].value;
K9ia|2f g^
?G)> if (isNaN(q) || isNaN(p))
JYWoQ[ZO#> return;
-6J <{1V 33<{1Y[Q6E q = parseInt(q);
LT$t%V0?.e p = parseFloat(p);
gd
* b0( .+S%hT,v6i txts[txts.length-1].value = (q * p).toFixed(2);
K/B$1+O
}
[<,7LG< </script>
Fk49~z 564L.^$@| 47(_5PFb# xGyl7$J *Zg=cI@)( 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
gpyio1V> page_load
B`)sc ~u page.smartNavigation=true
e1XKlgl ftMlm_u 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
d1_kw
A2y private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
8nBYP+t,e {
kntY2FM for(int i=0;i<e.Item.Cells.Count-1;i++)
5 ph CEKt; if(e.Item.ItemType==ListItemType.EditType)
4G:~|N.{p {
3r#['UmT e.Item.Cells.Attributes.Add("Width", "80px")
!i8)si_ }
m7NWgXJ }
_O}U4aGMTC gdD|'h 26.对话框
FVkl#Qy~ private static string ScriptBegin = "<script language=\"JavaScript\">";
<gi~:%T private static string ScriptEnd = "</script>";
8y5"X"U <D:q4t
public static void ConfirmMessageBox(string PageTarget,string Content)
;UXV!8SM {
j]&Qai~}Y string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
jMBMqQNU 4tUoK[p ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
9=$pV== 5cf?u3r!qJ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
o|d:rp!^ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
HD#>K 7 //Response.Write(strScript);
j~Fd8]@ }
p #w8$Qjp c;/vzIJj 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
W=EcbH9/.) zjA#8;h~w 1.1 取当前年月日时分秒
3pML+Y|ij currentTime=System.DateTime.Now;
M
2|
k. 075IW"p' 1.2 取当前年
bBML +0a int 年= DateTime.Now.Year;
_;^x^ h
#gI1(uL 1.3 取当前月
q p}2 int 月= DateTime.Now.Month;
(rJ-S"^u nm`(;<W 1.4 取当前日
LiFR7\z int 日= DateTime.Now.Day;
n~
$S w5y.kc; 1.5 取当前时
GQ?FUFuIoW int 时= DateTime.Now.Hour;
TDfloDxA v
-)<nox 1.6 取当前分
Uu+ibVM$ int 分= DateTime.Now.Minute;
|FT.x9e- |O)ZjLx 1.7 取当前秒
<,p$eQ)T% int 秒= DateTime.Now.Second;
~)$R'= GGwwdB\x' 1.8 取当前毫秒
Ux?G:LLz int 毫秒= DateTime.Now.Millisecond;
% + dHOH]x 28.自定义分页代码:
h*KDZ+{) )CoFRqz<h 先定义变量 :
ubZuvWZ public static int pageCount; //总页面数
=>>Dnp public static int curPageIndex=1; //当前页面
`0W"[BY )IK%Dg(v 下一页:
8hy1yt6t4~ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
(W"0c?i|] {
jQz^)8)B DataGrid1.CurrentPageIndex += 1;
jX' pUO curPageIndex+=1;
()8=U_BFz }
;7E"@b,tPN hx%UZ <a bind(); // DataGrid1数据绑定函数
@>'Wiq! _}\KC+n8 上一页:
G M;uwL# if(DataGrid1.CurrentPageIndex >0)
#,lbM%a {
0V8G9Gj DataGrid1.CurrentPageIndex += 1;
O.Dz}[w curPageIndex-=1;
aB G* }
j&.JAQ*2; .'+JA:3R bind(); // DataGrid1数据绑定函数
Yx. t+a- R(y`dQy<K 直接页面跳转:
*2pE39 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
JKp@fQT * # 6?2 2Os if(a<DataGrid1.PageCount)
N/0Q`cQ- {
[KO\!u|?YS this.DataGrid1.CurrentPageIndex=a;
+&X>ul }
NJ}xqg Tnf&32IA bind();
@$QtY(a tx3p,
X 29.DataGrid使用:
9p02K@wkD W^:g_ 添加删除确认:
Um/ g&k private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9<!??'@f {
z} VCiS0 foreach(DataGridItem di in this.DataGrid1.Items)
Oh`Pf;.z% {
s5d[sx if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
I[ZWOi\-
; {
lg (>n& ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
n
n8N 9w }
_#P5j# }
8p~[8} }
?
zic1i MhFj>t
样式交替:
gd31d s!G ListItemType itemType = e.Item.ItemType;
-Xgup,}? Tc;BE if (itemType == ListItemType.Item )
OJcI0(G {
p_3VFKq>0 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
K,HR=5 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
]=0D~3o3 }
c%n%,R> else if( itemType == ListItemType.AlternatingItem)
'(($dT {
9JC8OSjJ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
W9SEYkg e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
pHDPj,lu }
?=Z0N&}[ 7XIG ne%v 添加一个编号列:
@(tiPV DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
O
>&,h^ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
2-wvL&pi) 5U l=Nv] for(int i=0;i<dt.Rows.Count;i++)
W.b?~ {
vC5 ( dt.Rows["number"]=(i+1).ToString();
Cd'SPaR }
5adB5)` \?.M1a[ DataGrid1.DataSource=dt;
N(&/ Ud DataGrid1.DataBind();
0l %|2}a QW%BKF! DataGrid1中添加一个CheckBox,页面中添加一个全选框
3PZwz^oRh9 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
h5#V,$ {
lT]dj9l foreach(DataGridItem thisitem in DataGrid1.Items)
8|#p D4e {
(kI@U![u ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
+4p gPv }
j]_"MMwk$< }
ODqWXw# ]+0I8eerd 将当前页面中DataGrid1显示的数据全部删除
K_~SJbl foreach(DataGridItem thisitem in DataGrid1.Items)
=}AwA5G {
IC7S
+v if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
#6<9FY# {
jG3i
)ALx string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
|[lM2 Del (strloginid); //删除函数
hG!"e4 }
nM)H2'%kL& }
~cx/>Hu sh"\ kk9 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
pn~$u APksY! 在Application_Start中添加以下代码:
I806I@ix Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
Q:B : AppSettings["ConnStr"].ToString();
pb5'5X+ M 9b_Q 31. 变量.ToString()
ojH-;|f AiO29< 字符型转换 转为字符串
C[O \aW 12345.ToString("n"); //生成 12,345.00
.sDVBT'% 12345.ToString("C"); //生成 ¥12,345.00
V+l>wMeo 12345.ToString("e"); //生成 1.234500e+004
`cr.C|RT: 12345.ToString("f4"); //生成 12345.0000
v2Bks2 12345.ToString("x"); //生成 3039 (16进制)
OC]_b36v 12345.ToString("p"); //生成 1,234,500.00%
UI 7JMeV DjjG?(1 32、变量.Substring(参数1,参数2);
xe6 2gaT A%s"WSx, 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);
$u9y
H Z eS
jXaZh 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
a{6rQ <SCRIPT language="javascript">
<zK9J?ZQW> <!--
z<jWy$Ta; function gook(pws)
U>^-Db] {
vxo iPqo frm.submit();
q*<Df=+B }
H{P"$zj`l //-->
)nS;]7pB@ Hdh'!|w </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
NTVdSK7z~H <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
V<@]Iv <tr>
|T9p#) ec2 <td>
iCIu]6 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
7oDr`=q1]r <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
94F9f^ L <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
fmvv
q1G& mYN|)QVKy <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
fV_(P_C <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
G~e`O,+ Oav^BhUO </td>
ge[+/$(1 U&/Jh^Yy </tr>
o=2y`Eq xgt dmv% </form>
_~DFZt@T cv0}_<Tyx 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。
Q<r O5 -K eGblQGRS 下面是获取用户输入的登陆信息的代码:
h?DMrYk_%# string name;
$_l@k= name=Request.QueryString["EmailName"];
Eq.?Ga %?C{0(Z{ try
3
$Uv {
:D ?%!Q 0 int a=name.IndexOf("@",0,name.Length);
a$FELlMv f_user.Value=name.Substring(0,a);
Fp06a!7< f_domain.Value=name.Substring(a+1,name.Length-(a+1));
PZRpH f_pass.Value=Request.QueryString["Psw"];
A[ ZJS }
Ni GK|Z v.,C"^W catch
S~}?6/G. {
Vl?R?K=`~J Script.Alert("错误的邮箱!");
`yHV10 Server.Transfer("index.aspx");
Hi9 ;i/ }