1. 打开新的窗口并传送参数:
.u?$h0u5 ,LO-!\L 传送参数:
][1u:V/
U response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
%"^XxVJ* 9?c ^~77 接收参数:
xB+H7Ya string a = Request.QueryString("id");
9X` QlJ2| string b = Request.QueryString("id1");
$ 3B? (W!$6+GT 2.为按钮添加对话框
+eXfT*=u5 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
KHN
,SB button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Z?mg1;Q 0z#kV}wE 3.删除表格选定记录
mkA|gM[g7 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
@NE#P&f string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
@E;pT3; ) _AbEQ\P{ 4.删除表格记录警告
(=/;rJ`q private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
1D6O=j\ {
FM[To switch(e.Item.ItemType)
-`EoTXT*U {
$SR]7GZ case ListItemType.Item :
w%n]~w=8 case ListItemType.AlternatingItem :
w'XgW0j{ case ListItemType.EditItem:
v{Vesf TableCell myTableCell;
,&G
M\FTeb myTableCell = e.Item.Cells[14];
Bdepvc}[# LinkButton myDeleteButton ;
<LN $[&f# myDeleteButton = (LinkButton)myTableCell.Controls[0];
Jo <6M' myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3PffQ,c[~ break;
(=rv `1 default:
MNC!3d(D\R break;
W|U1AXU7/ }
*rT(dp!Y I_7EfAqg( }
nUHVPuQ/'T UULL:vqq 5.点击表格行链接另一页
'bPo 5V| private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
U$uO%:4% {
Iq\oB //点击表格打开
!yrHVc if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5V!XD9P' e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
[rU8
#4.
}
V"iLeC *`T&Dlt'8 双击表格连接到另一页
rK|&u
v*b o#/iR]3 在itemDataBind事件中
V.:A'!$# if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Ypj)6d {
>/bK?yT< string OrderItemID =e.item.cells[1].Text;
ZRGZ'+hw ...
K9'*q3z e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ped Yf{T }
!Jl0Eu ,>v9 Y#U 双击表格打开新一页
[)vwg`] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
uiA:(2AQ {
N)WG~=Gi string OrderItemID =e.item.cells[1].Text;
d<nB=r!* ...
i]%"s_l e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
tdF[2@?+ }
d2yHfl]3 Wb4{*~ ★特别注意:【?id=】 处不能为 【?id =】
h xJgxM 6.表格超连接列传递参数
-wMW@:M_ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
F@roQQu <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
eH/\7)z N2s%p6RMPD 7.表格点击改变颜色
z}&C(m:al if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^QR'yt3e {
dU3>h[q e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
g@VndAp this.style.color=’buttontext’;this.style.cursor=’default’;");
pF+wHMhUe }
aZGDtzNG5h G11.6]?Gg 写在DataGrid的_ItemDataBound里
Ltd?#HP if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
JM lhBh {
y$V)^-U>fw e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
\+Ln~\Sv this.style.color=’buttontext’;this.style.cursor=’default’;");
HKN"$(Q e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
1y-lZ}s_ }
8'WMspX |
8Egw-f slvs oN@ 8.关于日期格式
@"Fp;Je\bN $_zkq@ 日期格式设定
q,JA~GG DataFormatString="{0:yyyy-MM-dd}"
|aAWWd5 ww t()
我觉得应该在itembound事件中
|$?Ux,(6 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
m?% H<4X bNpIC/#0K 9.获取错误信息并到指定页面
Yj7= T%5 J$9xC{L4 不要使用Response.Redirect,而应该使用Server.Transfer
zo7XmUI3P bZay/ Zkj e.g
:`u&TXsu // in global.asax
cm 9oG protected void Application_Error(Object sender, EventArgs e) {
V*7Z,nA if (Server.GetLastError() is HttpUnhandledException)
KD"&_PX Server.Transfer("MyErrorPage.aspx");
f,HzrHax ;.Oh88|k //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
}vUlTH }
:{i$2\DH6 +fP/|A8P 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
qz=#;&ZU 7l#2,d4 10.清空Cookie
[X">vaa Cookie.Expires=[DateTime];
Ce5w0&VlS Response.Cookies("UserName").Expires = 0
L_lDFF (4/]dTb 11.自定义异常处理
,8=`* //自定义异常处理类
bxhg*A using System;
kBiBXRt using System.Diagnostics;
"h;;.Y8e +r-dr>&H@ namespace MyAppException
-q&7J'
N {
LE<u&9I\ /// <summary>
^#BGA|j /// 从系统异常类ApplicationException继承的应用程序异常处理类。
$vTAF-~Ql /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Y1fy2\<' /// </summary>
5rfH;` public class AppException:System.ApplicationException
,jbGM&.C {
T}t E/ public AppException()
eg2U+g4 {
AvrL9D if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
=CjNtD2] }
!]rETP_ %kK
][2e public AppException(string message)
Q&Z4r9+Z {
B?;' lDz* LogEvent(message);
+HOCVqx }
.0
s[{x ?E+:]j_ public AppException(string message,Exception innerException)
<?LfOSdMs^ {
=f4[=C$&` LogEvent(message);
)D["M$ZA^ if (innerException != null)
11)/] ?/j {
s&dO/}3uR] LogEvent(innerException.Message);
yV:EK{E }
0%xR<<gir }
G$;]
?g 'yPCZ`5H( //日志记录类
(C`FicY using System;
.D8~)ZWN using System.Configuration;
j+DE|Q&]I using System.Diagnostics;
TL},Unq using System.IO;
q&XCX$N using System.Text;
r}/yi using System.Threading;
-{X<*P4p q2x|%HRF namespace MyEventLog
AbUDn\0$ {
op hH9D /// <summary>
uiktdZ/f /// 事件日志记录类,提供事件日志记录支持
$; Q$W9+ /// <remarks>
]\CU9J|H8 /// 定义了4个日志记录方法 (error, warning, info, trace)
:s'o~
/// </remarks>
$[Tt#CJw /// </summary>
Ts|--, public class ApplicationLog
]43al f F# {
@S`$C /// <summary>
bTZ>@~$ /// 将错误信息记录到Win2000/NT事件日志中
$.H:8^W /// <param name="message">需要记录的文本信息</param>
`J72+ RA /// </summary>
)O,wRd>5 public static void WriteError(String message)
;wJ~ha C {
s K+
(v WriteLog(TraceLevel.Error, message);
86 *;z-G }
Q*]$)D3n Z+g1~\ /// <summary>
9|'
|BC /// 将警告信息记录到Win2000/NT事件日志中
z< z*Wz /// <param name="message">需要记录的文本信息</param>
/-h6`@[ /// </summary>
,eR8~(`= public static void WriteWarning(String message)
M70c{s`w5 {
z"tjDP WriteLog(TraceLevel.Warning, message);
)FRM_$t }
(=1)y'. 7 _`L$<-n /// <summary>
fX_#S|DlSG /// 将提示信息记录到Win2000/NT事件日志中
A]7<'el= /// <param name="message">需要记录的文本信息</param>
M :V2a<!c /// </summary>
~
|6dH public static void WriteInfo(String message)
+ :V rip {
l71gf.4g WriteLog(TraceLevel.Info, message);
)l_@t(_ }
F!JJ6d53y /// <summary>
3{KR
{B#L /// 将跟踪信息记录到Win2000/NT事件日志中
(:5G#?6, /// <param name="message">需要记录的文本信息</param>
U[R@x` /// </summary>
({4] public static void WriteTrace(String message)
6R`Oh uN.> {
f/,tgA WriteLog(TraceLevel.Verbose, message);
d6`OXTD }
[8"oj hdV 9IA$z\<<w /// <summary>
yPV'pT) /// 格式化记录到事件日志的文本信息格式
IS BV%^la| /// <param name="ex">需要格式化的异常对象</param>
rz%<AF Z /// <param name="catchInfo">异常信息标题字符串.</param>
r[s!F=^
/// <retvalue>
XF}rd.K: /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
m#f{]+6U
/// </retvalue>
k6!4Zz_8 /// </summary>
. w H*sb public static String FormatException(Exception ex, String catchInfo)
=oX>Ph+ P {
;
dd Q/ StringBuilder strBuilder = new StringBuilder();
XX6 T$pA6 if (catchInfo != String.Empty)
*f5l=lDOB {
Q$ri=uB;+ strBuilder.Append(catchInfo).Append("\r\n");
y,=du }
u=r`t(Z1H strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
r[_4Lo@G return strBuilder.ToString();
#eK= }
5l DFp9 0:&ZnE}## /// <summary>
PWB(5 f? /// 实际事件日志写入方法
5Y\!pf7SQ| /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
:jEPu3E: /// <param name="messageText">要记录的文本.</param>
ifK%6o6 /// </summary>
p'n4)I2# private static void WriteLog(TraceLevel level, String messageText)
T*~H m {
06*rWu9P3 try
.>pgU{C`! {
i)ASsYG! EventLogEntryType LogEntryType;
dQb.BOI)h switch (level)
re &E{ {
q
o 1lj"P case TraceLevel.Error:
=Z G:x<Hg LogEntryType = EventLogEntryType.Error;
gNpJ24QK break;
%XTcP2pRJ case TraceLevel.Warning:
ILwn&[A0 LogEntryType = EventLogEntryType.Warning;
LN2D break;
^Q+i=y{W case TraceLevel.Info:
\5)h tL1F LogEntryType = EventLogEntryType.Information;
oU6y4yO break;
"xRBE\B case TraceLevel.Verbose:
up'
LogEntryType = EventLogEntryType.SuccessAudit;
a4i:| break;
;z~n.0' default:
C0*@0~8$9 LogEntryType = EventLogEntryType.SuccessAudit;
Q,h7Sk* break;
j2l55@ }
clw%B ;Xvp6.: EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
`qVjwJ!+ //写入事件日志
>wHxmq8F5< eventLog.WriteEntry(messageText, LogEntryType);
NS)}6OI3~" U$dh1; }
gb=/#G0R catch {} //忽略任何异常
D}C,![ }
6]zd.W } //class ApplicationLog
E m
6Qe }
k67a'pmyJ G`fC/Le 12.Panel 横向滚动,纵向自动扩展
0Uk@\[1ox <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
hN2:d1f0 I\~G|B 13.回车转换成Tab
&N~ZI*^ <script language="javascript" for="document" event="onkeydown">
Vm}%ttTC if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
v[plT2"s event.keyCode=9;
r0d35 </script>
zk*c)s r;L>.wl*I onkeydown="if(event.keyCode==13) event.keyCode=9"
4'4\,o km^^T_ M/ 14.DataGrid超级连接列
3p2P=
T DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
0;4t&v7 ;,i]w"* 15.DataGrid行随鼠标变色
53-v|'9' private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
P&m\1W( {
bl_H4 if (e.Item.ItemType!=ListItemType.Header)
pj4!:{.; {
g;$Xq)Dd e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Le<wR e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
7\*FEjRM] }
'>$]{vQ3 }
PP:(EN1 \AL
f$88>@ 16.模板列
"&+"@< <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
V[-jD8='3 <ITEMTEMPLATE>
iyj+:t/ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
{ hln?' </ITEMTEMPLATE>
.h0b~nI>> </ASP:TEMPLATECOLUMN>
&Tl
0Pf z1^gDjkZ <ASP:TEMPLATECOLUMN headertext="选中">
/Uo
y/}! <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
"D?z <ITEMTEMPLATE>
3~nnCR[R <ASP:CHECKBOX id="chkExport" runat="server" />
h?bb/T+' </ITEMTEMPLATE>
aK`@6F,]j <EDITITEMTEMPLATE>
gTA%uRBa <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
CR6R?R3b </EDITITEMTEMPLATE>
lA>DS#_ </ASP:TEMPLATECOLUMN>
4C}bJzZ M33_ja +L 后台代码
@+ atBmt protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
z25m_[p2 {
(@iMLuewK //改变列的选定,实现全选或全不选。
?nP*\8 CheckBox chkExport ;
;FZ@:%qDm if( CheckAll.Checked)
i1S>yV^l {
35tu>^_#V foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
detwa}h[0 {
=XXZ?P chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
O(+phRwJ chkExport.Checked = true;
dnj}AVfQx }
F<!)4>2@ }
qhT@;W/X else
r#xg#u oj {
7"8hC foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
}1>[ {
da (km+ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
bf9a1<\ chkExport.Checked = false;
;A#`]-i C }
|g==" }
V*W;OiE_3 }
o1<_fI G#MdfKH 17.数字格式化
1 5A*7| Vb9',a?#n 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
nxr!`^Mne <%#Container.DataItem("price","{0:¥#,##0.00}")%>
tO0!5#-VR 9;veuX#( int i=123456;
A]XZnQ string s=i.ToString("###,###.00");
`3:.??7N XP@1~$ 18.日期格式化
vsa92c@T e@IA20 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
6H'HxB4 HeG)/W?r 显示为: 2004-8-11 19:44:28
,mj@sC> p ZZc:\fJ 我只想要:2004-8-11 】
hXA6D) <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
tz s</2
G, og0*Nt+ 应该如何改?
;INW`b~ $#]]K 【格式化日期】
HQB(* 0pbtH8~ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
/r=tI)'$ ^.>jGI%rB 【日期的验证表达式】
{6}eN|4~# `P9XqWr A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
5Lf{8UxI ^((\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})))?$
AhNq/?Q Q~ t
89!Ihk B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
l\s U ^\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]))$
S*n@81Z :duo#w"K 【大小写转换】
*<J*S#] HttpUtility.HtmlEncode(string);
1n@8Kv HttpUtility.HtmlDecode(string)
,%)6jYHR w 0D&t!$Ibf 19.如何设定全局变量
Z"AQp _ YiPoYlD*n< Global.asax中
+gLPhX:` d.P\fPSD Application_Start()事件中
tuhA
9}E ,L`$09\ 添加Application[属性名] = xxx;
1u6^z *;Ed*ibf 就是你的全局变量
]X^rU`": 9F*+YG! 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
QI3Nc8t_2 di>cMS 4 c HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
6C+"`(u%V J52
o
g4l 【ASPNETMENU】点击菜单项弹出新窗口
7=DjI ~ ]~E0gsq 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
n;:rf 7hGY <?xml version="1.0" encoding="GB2312"?>
oD$J0{K6 <MenuData ImagesBaseURL="images/">
/\WQxe <MenuGroup>
uECsh2Uin <MenuItem Label="内参信息" URL="Infomation.aspx" >
-Q
U^c2 <MenuGroup ID="BBC">
fOMvj%T@2 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
|\g5+fv9 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
G3{=@Z1 ......
pe{;~-|6 *7wAkljP 最好将你的aspnetmenu升级到1.2版
4`8< d:i;z9b@to 21.读取DataGrid控件TextBox值
x4/M}%h!;B foreach(DataGrid dgi in yourDataGrid.Items)
^J\~XYg{7 {
ME=/|.}D< TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
]| +<P- tb.Text....
Co3:*nbRv }
8{Fsm;UsY {U_$&f9s 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
rQaxr! oI#a_/w 〖思归〗
Vb'7> <asp:TemplateColumn HeaderText="数量">
dS5a
<ItemTemplate>
Qr$;AZ G <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
NZ3/5%We/ onkeyup="javascript:DoCal()"
G2^et$<{uU />
5e fpeu bHI<B)=` <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
leQT-l2Bk </ItemTemplate>
D11F.McM </asp:TemplateColumn>
H/"lAXfb d`/tE?Gw <asp:TemplateColumn HeaderText="单价">
]$,UPR/3 <ItemTemplate>
% =BMZRn <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
nQ/E5y
onkeyup="javascript:DoCal()"
YX_gb/A />
E.U_W gy;+_'.j <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
q`G, L( c?%(Dp E </ItemTemplate>
rgOfNVyJG< </asp:TemplateColumn>
%/rMg"f: WsDM{1c <asp:TemplateColumn HeaderText="金额">
A3ZY~s#Iv <ItemTemplate>
k`x=D5s\ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
7YAIA%8 </ItemTemplate>
+z$pg </asp:TemplateColumn><script language="javascript">
i:l<C function DoCal()
"jaJr5Wv=y {
E!O\87[ var e = event.srcElement;
X~xd/M=9^ var row = e.parentNode.parentNode;
_H^^y$+1 var txts = row.all.tags("INPUT");
H&yD*@ if (!txts.length || txts.length < 3)
A%2:E^k(s return;
mP(kcMT" 3bNIZ#`|MB var q = txts[txts.length-3].value;
NxLXm, var p = txts[txts.length-2].value;
${8?N:>t 4);)@&0Md~ if (isNaN(q) || isNaN(p))
aIXdV2QS return;
1HPx|nmE] E~kG2x{a q = parseInt(q);
Cz8f1suO4 p = parseFloat(p);
Zx$ol;Yd )H}#A#ovj7 txts[txts.length-1].value = (q * p).toFixed(2);
1>Q'R }
&,.Y9;
b </script>
8_!.!Kde | [qoXMuC|P `.2hjO d`
Sr4c g_Im;1$ 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。
:ZDMNhUl
& page_load
AE@NOM7u page.smartNavigation=true
Ap$y%6 -ti{6:H8 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 ?
5%}wV,Y private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
DKmZ {
NS C/@._ for(int i=0;i<e.Item.Cells.Count-1;i++)
7zTqNnPnf if(e.Item.ItemType==ListItemType.EditType)
.O0O-VD+a {
jn.C|9/mj e.Item.Cells.Attributes.Add("Width", "80px")
auWXgkwZs/ }
-xD*tf* }
*{o UWt gLsU:aeCT 26.对话框
4eH.9t private static string ScriptBegin = "<script language=\"JavaScript\">";
_#_
E^! private static string ScriptEnd = "</script>";
$t-n'Qh^2 F%rHU5CkV public static void ConfirmMessageBox(string PageTarget,string Content)
yA[({2% {
*Ul*%!?D string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
gf)t)- E [/RM=4Nh5 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
e &9F\e /hv#CB>1x Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
c6Q(Ygc
ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
y/c%+Ca/ //Response.Write(strScript);
"gW7<ilw
}
N{d@^Yj uENdI2EY8y 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
%}>dqUyQ P6U%=xaC 1.1 取当前年月日时分秒
as"N=\N currentTime=System.DateTime.Now;
eXl=i-' ] q~<= 1.2 取当前年
PKq-@F%X int 年= DateTime.Now.Year;
kD.pzxEM P(omfD4 1.3 取当前月
KbxR
Lx]w int 月= DateTime.Now.Month;
Rn+4DcR pz doqAVI 1.4 取当前日
p D=w>" int 日= DateTime.Now.Day;
gd6Dm4q( `^UK 1.5 取当前时
$1*3!}_0 int 时= DateTime.Now.Hour;
8)0L2KL' 0&fl#]oCE 1.6 取当前分
`3iQZui int 分= DateTime.Now.Minute;
19d6]pJ5 .gYt0raSY 1.7 取当前秒
O%1/r* int 秒= DateTime.Now.Second;
V{Q kN7- 6/mF2&&g 1.8 取当前毫秒
d$;/T(' int 毫秒= DateTime.Now.Millisecond;
<`g3(? =K$,E4* 28.自定义分页代码:
S]2 {ZDP Rs$5PdH 先定义变量 :
LP`CS849z2 public static int pageCount; //总页面数
b1!@v+ public static int curPageIndex=1; //当前页面
Dl;d33 |pWaBh|r 下一页:
V,LVB_6 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
[!?wyv3 {
XT||M)# DataGrid1.CurrentPageIndex += 1;
D[>W{g
$ curPageIndex+=1;
wRVD_? }
y(8d?]4:_ BXTN>d27 bind(); // DataGrid1数据绑定函数
am:.NG+ G :4;y7 上一页:
AQ@v>wr} if(DataGrid1.CurrentPageIndex >0)
D<nxr~pQ {
vR]mSX3)? DataGrid1.CurrentPageIndex += 1;
:t2B^})\ curPageIndex-=1;
H~m]nV,r }
ex phe+b !Z/$}xxj bind(); // DataGrid1数据绑定函数
,h!X k Vj!WaN_ 直接页面跳转:
%N{sD[^ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
\GHOg.P H7jTQW0rp5 if(a<DataGrid1.PageCount)
N5\{yV21", {
pbdF]>\ this.DataGrid1.CurrentPageIndex=a;
8vJdf9pB* }
e\~l!f'z 0P9Wy!f7 bind();
gfV DqDF l"L+e! B~ 29.DataGrid使用:
s]bPV,"p Dqr9Vv 添加删除确认:
M c@GH private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ZeTL$E[E} {
+:y&{K foreach(DataGridItem di in this.DataGrid1.Items)
lWlUWhLnP {
ZvyjMLf if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
H PTHF {
eE,;K1 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
H%~Q?4 }
Z^+a*^w~{ }
+_-Y`O!Q }
^yD"d =z N&N 82OG 样式交替:
TnxU/) ListItemType itemType = e.Item.ItemType;
Fd}<Uote3 ?N2X)Y@yi if (itemType == ListItemType.Item )
<>&89E%j' {
'ucGt e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
EaCZx e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
{a@hRY_ }
/evaTQPz else if( itemType == ListItemType.AlternatingItem)
X,&xhSzg? {
!`Xt8q\r e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
?d#Lr*m e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
X-v~o/r7 }
rBS2>? u
IF$u 添加一个编号列:
%p}qO^%M DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
&E`9>&~J DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
GA7u5D"0 I=K[SY,]9 for(int i=0;i<dt.Rows.Count;i++)
tw]/,>\G {
xV?*!m$V%R dt.Rows["number"]=(i+1).ToString();
s7vPI }
(UXv,_"nU Mo~ki"9. DataGrid1.DataSource=dt;
FSFFk~ DataGrid1.DataBind();
|z ]aa hzW{_Q.|? DataGrid1中添加一个CheckBox,页面中添加一个全选框
p[_Yi0U private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
otoBb^Mz {
KQ- ,W8Q5 foreach(DataGridItem thisitem in DataGrid1.Items)
R9bhC9NP {
EqVsxwa ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
F
[r|Y-c] }
U2VV[e)Z! }
umqLKf=x! T4Xtuu1 将当前页面中DataGrid1显示的数据全部删除
}7-7t{G foreach(DataGridItem thisitem in DataGrid1.Items)
QCVsVG!sN {
C{DlcZ< if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
-3u@hp_ {
kboizJp string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
OiYNH~hv Del (strloginid); //删除函数
j!6elzg }
f2`P8$U)R }
qPL^zM+ (s5< 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
<Z2(qZ^Z MV%
:ES? 在Application_Start中添加以下代码:
=X)Q7u".7 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
c*Eok?O AppSettings["ConnStr"].ToString();
hN Z4v/ A*G
)CG
31. 变量.ToString()
eo>/ dDsjPM;2 字符型转换 转为字符串
3Ne9%" 12345.ToString("n"); //生成 12,345.00
pESB Il 12345.ToString("C"); //生成 ¥12,345.00
\Oi5=, 12345.ToString("e"); //生成 1.234500e+004
q"{Up 12345.ToString("f4"); //生成 12345.0000
UOn! Y@ 12345.ToString("x"); //生成 3039 (16进制)
+9F^F>mu 12345.ToString("p"); //生成 1,234,500.00%
2N
L:\%wz fBHkLRFH 32、变量.Substring(参数1,参数2);
_fVh%_oH1 X_vI0YX9 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
"bHtf_ %GVEY 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
S^3g]5YX <SCRIPT language="javascript">
54`bE$:+ <!--
u@GRN`yn function gook(pws)
f o/
D3 {
kS@9c _3S frm.submit();
hEyX~f }
Hv[d<ylO //-->
gi1}5DR QVnO
</SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Y|hzF:ll <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
5QqJI#4~ <tr>
j\XX:uU_ <td>
:J=+; I(UI <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
H B::0l< <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
]7#^])> <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
a-z23$3 <Z\MZ&{k{* <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
"-0pz\a <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
gt2>nTJz.Z y9V;IXhDc </td>
V\iIvBpWg j6&zRFX </tr>
xWC\954 9J-!o]f .b </form>
/o<}]]YBF beN>5coP%A 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
?L<UOv7;t 6nY
)D6$JG 下面是获取用户输入的登陆信息的代码:
L]/\C{}k string name;
f^[{k
{t name=Request.QueryString["EmailName"];
[#STR=_f $>S}acuC try
/ygUd8@ {
(/9.+V_ int a=name.IndexOf("@",0,name.Length);
3]:p!Y`$ f_user.Value=name.Substring(0,a);
.J<qfQ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
]AFM Y<mB f_pass.Value=Request.QueryString["Psw"];
ch)Ps2i }
fwnYzd3 K-"HcHuF catch
{E3<GeHw4 {
v)C:E 9!| Script.Alert("错误的邮箱!");
<WHs
Server.Transfer("index.aspx");
Pt PGi^ }