1. 打开新的窗口并传送参数:
!9cP NIi b2f2WY |z> 传送参数:
Fl>j5[kLZ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
43Uy<%yb>} 44{:UhJkx 接收参数:
zw9ULQ$# string a = Request.QueryString("id");
*ik)>c_ string b = Request.QueryString("id1");
^g){)rz| iw;Alav"x 2.为按钮添加对话框
|wn LxI Button1.Attributes.Add("onclick","return confirm(’确认?’)");
4GejT(U button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
A_
z:^9 5P2FNUKL 3.删除表格选定记录
"Ksd9,J\b int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
W&[9x%Ba string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
8-6{MJ?F FsZEB/c 4.删除表格记录警告
XxQ2g&USk private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
xW )8mv?4n {
xx#Ef@bS switch(e.Item.ItemType)
r~a}B.pj {
m{Xf_rQ
w case ListItemType.Item :
Iq[Z5k(K case ListItemType.AlternatingItem :
oj1,DU case ListItemType.EditItem:
9(;I+.;8k TableCell myTableCell;
D~s
TQfWr myTableCell = e.Item.Cells[14];
CAl]Kpc LinkButton myDeleteButton ;
CUR70[pB) myDeleteButton = (LinkButton)myTableCell.Controls[0];
7pY7iR_ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
fmhqm" break;
x)<Hr,wd default:
R~R ?0aq break;
h#>%\Pvt; }
<)
`?s Y([YDn }
.oNs8._:
d]*a:>58 5.点击表格行链接另一页
vF ,iHzv private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#AJo75E% {
Uxyj\p //点击表格打开
*=X$j~#X if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
*uq}jlD`! e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
3bi,9 >% }
?Gq|OT8 nd[{DF?)/ 双击表格连接到另一页
dcd9AW= }akF=/M 在itemDataBind事件中
R0WI s:k2 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R4#56#d< {
Izapx\GK9 string OrderItemID =e.item.cells[1].Text;
Rv/=bY ...
$:RP tG e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
3axbWf3[ }
*_ U=KpZF ]c+HD* 双击表格打开新一页
z#( `H6n: if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
J)o =0i>* {
tO@n3"O string OrderItemID =e.item.cells[1].Text;
?V{APM$x ...
$`wo8A|) e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Iq[
d5)M4 }
Rxf.@E DNyU]+\L[l ★特别注意:【?id=】 处不能为 【?id =】
>Oz~j>jL 6.表格超连接列传递参数
>jBa <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
M>yt\qbkA <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Qy!;RaA3T Ih;I&D+e; 7.表格点击改变颜色
z m&?G if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
mdB~~j {
O0~Qh0~l e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Z8vR/ this.style.color=’buttontext’;this.style.cursor=’default’;");
J ;|i6q q }
s?,\aSsU@ `J26Y"]P 写在DataGrid的_ItemDataBound里
/SvB
w>gQ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
VQV%1f {
'KU)]v e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
{ch+G~oS this.style.color=’buttontext’;this.style.cursor=’default’;");
z~ f;5 xtI e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
w vQ.9 }
Rnd.<jz+Y %n!7'XF'[ a9sbB0q-K@ 8.关于日期格式
%u@}lG k 3c|u2Pl 日期格式设定
m35$4 DataFormatString="{0:yyyy-MM-dd}"
M,R**z N+#lS7 我觉得应该在itembound事件中
YM`I&!n e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
5ieF8F% OngUZMgdb 9.获取错误信息并到指定页面
^rX5C2}G\D Yo^9Y@WDW 不要使用Response.Redirect,而应该使用Server.Transfer
fhp+Ep!0Y VmbfwHRWb e.g
b;~?a#Z} // in global.asax
m +LP5S protected void Application_Error(Object sender, EventArgs e) {
4r-CF#o if (Server.GetLastError() is HttpUnhandledException)
_KSlIgQ
}0 Server.Transfer("MyErrorPage.aspx");
,mY3oyu zir?13N7 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
"P9SW?', }
W02t6 DW +DR,&; 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
_C&XwCIm r1R\cor 10.清空Cookie
tT`{xM Cookie.Expires=[DateTime];
-SeHz.`N Response.Cookies("UserName").Expires = 0
ysDGF@wZC 4^uwZ: 11.自定义异常处理
a*3h|b< //自定义异常处理类
"NOll:5"( using System;
Pgh)+>ON using System.Diagnostics;
-q")qNt. 0\DlzIO namespace MyAppException
8HxtmFqG {
mzH3Q564 /// <summary>
:3p&h[M /// 从系统异常类ApplicationException继承的应用程序异常处理类。
;]A:(HSZj /// 自动将异常内容记录到Windows NT/2000的应用程序日志
U+7!Vpq /// </summary>
C<"b99\2` public class AppException:System.ApplicationException
\1[v-hvK {
!`S61~gE public AppException()
KpF/g[m {
Cu-z`.#}R if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
u[b0MNE~ }
=t!$72g\ m1{OaHxKh public AppException(string message)
rd
hM#? {
eGE[4Z LogEvent(message);
b8~7C4 }
'j oE-{ {+@M! public AppException(string message,Exception innerException)
/`H{n$ {
G}NT[ LogEvent(message);
lDF26<<\` if (innerException != null)
3+tr_psH {
m`B.3 LogEvent(innerException.Message);
US2Tdmy@05 }
bG&vCH;}% }
c8}jO=/5+ ]<<+#Rg //日志记录类
1Uf8ef1, using System;
LvbS") using System.Configuration;
/}&@1 using System.Diagnostics;
r]yI5 ; using System.IO;
aX,ux9# using System.Text;
P d)<Iw^< using System.Threading;
-$@4e|e%a W;y ,Xs namespace MyEventLog
e,I{+^P {
Q~>="Yiu /// <summary>
QbG`F8dj /// 事件日志记录类,提供事件日志记录支持
}v$T1Cw /// <remarks>
8B"my\ /// 定义了4个日志记录方法 (error, warning, info, trace)
|p"4cG?) /// </remarks>
M F_VMAq /// </summary>
A;e0h)F$- public class ApplicationLog
<rAWu\d; {
6fcn(&Qk /// <summary>
g)UYpi?p-} /// 将错误信息记录到Win2000/NT事件日志中
}\wTV*n`X /// <param name="message">需要记录的文本信息</param>
e,rCutA) /// </summary>
[X=J]e^D public static void WriteError(String message)
|C_sP,W {
Tj_~ BT WriteLog(TraceLevel.Error, message);
VSQxlAGk@ }
~vv\A5O[| QJKVNOo /// <summary>
mvrg!/0w /// 将警告信息记录到Win2000/NT事件日志中
Yh9fIRR /// <param name="message">需要记录的文本信息</param>
D`fi\A /// </summary>
T*ir Ce public static void WriteWarning(String message)
w$)E#|i {
6z>Zm1h WriteLog(TraceLevel.Warning, message);
(25v7Y] }
&9,<_1~ L7 f' /// <summary>
3|g]2|~w@h /// 将提示信息记录到Win2000/NT事件日志中
Lf} @v /// <param name="message">需要记录的文本信息</param>
7.DAwx.HYK /// </summary>
Bp:i[9w public static void WriteInfo(String message)
q" %;),@ {
"i3Q)$"S WriteLog(TraceLevel.Info, message);
FdVWj
5 $a }
6D n[9V /// <summary>
)Og,VXEB /// 将跟踪信息记录到Win2000/NT事件日志中
KtY_m`DY4R /// <param name="message">需要记录的文本信息</param>
ecl$z6'c /// </summary>
IsjD-t public static void WriteTrace(String message)
\/
8
V|E {
Gkq<?q({t WriteLog(TraceLevel.Verbose, message);
d}e/f)( }
J;S@Q/s q,H
0=\ /// <summary>
c7$U0JO /// 格式化记录到事件日志的文本信息格式
// \UthOT /// <param name="ex">需要格式化的异常对象</param>
?]bZ6|;2 /// <param name="catchInfo">异常信息标题字符串.</param>
Q?\rwnW?U /// <retvalue>
?a]uyw, /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
!`-/E']/ /// </retvalue>
F6xQ`T| /// </summary>
hc4W|Ofj public static String FormatException(Exception ex, String catchInfo)
ND|!U#wMNV {
DTw3$: StringBuilder strBuilder = new StringBuilder();
3%$nRP
X if (catchInfo != String.Empty)
1]lm0bfs {
|( =`l strBuilder.Append(catchInfo).Append("\r\n");
.5PcprE/ }
5I(gP strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
*0aU(E# return strBuilder.ToString();
E'J| p7 }
ou[_ y fGD#|a;, /// <summary>
k!lz_Y /// 实际事件日志写入方法
Jc:gNQCsP /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
-r!N;
s$t /// <param name="messageText">要记录的文本.</param>
UEvRK?mm= /// </summary>
6k=ink-/ private static void WriteLog(TraceLevel level, String messageText)
T"2D<7frbo {
;&Oma`Ec try
9rn[46s` {
>|[74#}7 EventLogEntryType LogEntryType;
MOIH%lpe switch (level)
`<C/-Au {
B0^0d*8t|@ case TraceLevel.Error:
B0KZdBRx} LogEntryType = EventLogEntryType.Error;
mt+IB4` break;
G^]7!:0 case TraceLevel.Warning:
)&j4F) LogEntryType = EventLogEntryType.Warning;
i7fQj,
q break;
d2x|PpmH case TraceLevel.Info:
<E(#;F^y LogEntryType = EventLogEntryType.Information;
x"Hi!h)v break;
pOCLyM9c case TraceLevel.Verbose:
wv2 LogEntryType = EventLogEntryType.SuccessAudit;
eoS8e$} break;
IQS:tL/ default:
"(hhb>V1Wl LogEntryType = EventLogEntryType.SuccessAudit;
R^.oM1qu| break;
=-`}(b2N }
d (Fb_ 7J]tc1-re EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Yd4J: //写入事件日志
_M/ckv1q@ eventLog.WriteEntry(messageText, LogEntryType);
1A4!zqT; 3+<}Hm+ }
!po8[fz~x catch {} //忽略任何异常
[=Y @Ul }
);wSay>%( } //class ApplicationLog
ey@]B5 }
:t6w+h
m
?a&XZ 12.Panel 横向滚动,纵向自动扩展
?v>!wuiP <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
/#z5bo G SXe=? 13.回车转换成Tab
/RuGh8qzP <script language="javascript" for="document" event="onkeydown">
8'Z#sM^E if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
'b#`8k~> event.keyCode=9;
!e?GS"L~ </script>
O!}TZfC (bxSN@hp2 onkeydown="if(event.keyCode==13) event.keyCode=9"
L\Uf+d:&}G !F*7Mif_E 14.DataGrid超级连接列
y]B?{m``6 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
gRS}Y8 i2SR.{& 15.DataGrid行随鼠标变色
*.0}3 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1MH[-=[Q {
.v36xX K( if (e.Item.ItemType!=ListItemType.Header)
_uuxTNN0x* {
\ %Er%yv) e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
{(@M0? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
X !g"D6' }
1D03Nbh|5 }
\`\& G-\ 2r2qZ#I} 16.模板列
05mjV6j7m <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
%O`e!p <ITEMTEMPLATE>
#Jv|zf5Z <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
6fhH)]0 </ITEMTEMPLATE>
0Zp)
DM </ASP:TEMPLATECOLUMN>
Y]aVa2!Wb cF9bSY_Eh <ASP:TEMPLATECOLUMN headertext="选中">
Vv4w?K <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
k/A8| <ITEMTEMPLATE>
4k5X'&Q <ASP:CHECKBOX id="chkExport" runat="server" />
_jOu`1w </ITEMTEMPLATE>
Y<0;;tVf4U <EDITITEMTEMPLATE>
!rzbm&@ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
aA?Uf~ "t </EDITITEMTEMPLATE>
FUic7> </ASP:TEMPLATECOLUMN>
ufE;rcYE >NWrT^rk 后台代码
yrOWC protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
?!=yp# {
:DTKZ9>2D //改变列的选定,实现全选或全不选。
095:"GvO CheckBox chkExport ;
;LRY
h? if( CheckAll.Checked)
f]MKNX {
)?#*GMWU foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
U}ei2q\ {
Tf/jd 3> chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
u}ULb F chkExport.Checked = true;
n $RhD93 }
6?I,sZW }
@j*K|+X" else
Atc<xp {
f8yE>qJP foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
b(JQ>,hX {
pvdM3+6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
We&~]-b AW chkExport.Checked = false;
U~8;y' }
2Wwzcvs@ }
@v^;,cu'8 }
-`nQa$N- xE.K 17.数字格式化
NUBf>~_} P;_}nbB 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
*->2$uWP <%#Container.DataItem("price","{0:¥#,##0.00}")%>
!n9H[QP^9 f]Jn\7j4 int i=123456;
UnSi= uj string s=i.ToString("###,###.00");
)Il)
H q<.m@q 18.日期格式化
84g$V}mp 8S*3W3HY 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
4&b*|"Iw \*x'7c/qg 显示为: 2004-8-11 19:44:28
rCt8Q&mzf i\~@2 我只想要:2004-8-11 】
NWnUXR <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
^3re*u4b= M)sM G
C 应该如何改?
/4Ud6gscf 1dDK(RBbQ 【格式化日期】
AA=zDB<N wq K:= 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
<'WS -P%U HRQ3v`P. 【日期的验证表达式】
fXNl27c- JZ=ahSi
A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
,#n$YT7 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
^j~CYzmt @8\7H'K"\ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
X#v6v)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]))$
'M20v-[ {`RCh]W 【大小写转换】
py\KY R HttpUtility.HtmlEncode(string);
]#$l"ss, HttpUtility.HtmlDecode(string)
bhk:Szqz .J=<E 19.如何设定全局变量
Fsdp"X. iO$Z?Dyg9 Global.asax中
95cIdF 6m hY!ek;/Gc Application_Start()事件中
=~J VU \)5mO 8w 添加Application[属性名] = xxx;
$VQ;y|K+[ p>eYi \' 就是你的全局变量
Sed8Q-m 3Qd/X&P 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
cz,CL/rno ?,x\46]>_K HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
!U:&8Le k9oi8G'g~ 【ASPNETMENU】点击菜单项弹出新窗口
C9?mxa*z `uMc.:5\ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
fZpi+I <?xml version="1.0" encoding="GB2312"?>
qCI7)L` <MenuData ImagesBaseURL="images/">
. q
-:3b <MenuGroup>
,mx\
-lWFy <MenuItem Label="内参信息" URL="Infomation.aspx" >
eI"pRH*f <MenuGroup ID="BBC">
@5wc 3y <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
FRR05%K <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
=PY{Elf ......
'm`}XGUBS "p3<-06 最好将你的aspnetmenu升级到1.2版
g_{N^wS [ KgO:},c 21.读取DataGrid控件TextBox值
LI@BB:)[ foreach(DataGrid dgi in yourDataGrid.Items)
[uGsF0#e {
L3HC- TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
!AJkd. tb.Text....
/0qbRk i }
6QA`u* ;8XRs?xyd 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?
, d $"`W2 %w[Z/ 〖思归〗
Lhp&RGy <asp:TemplateColumn HeaderText="数量">
&*"*b\ <ItemTemplate>
deaB_cjdI <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
J;Z2<x/H onkeyup="javascript:DoCal()"
^?H|RAp />
'4{=x]K =K0%bI <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
BVeMV4 </ItemTemplate>
tnnGM,"ol </asp:TemplateColumn>
l+ >eb @kh<b<a4 <asp:TemplateColumn HeaderText="单价">
FfM^2`xP <ItemTemplate>
2`riI*fQ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
V6P-?Nd onkeyup="javascript:DoCal()"
,.0bE
9\o />
9\hI:rI BZ:tVfg. <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
[HYr |T m=l'9j"D </ItemTemplate>
<skqq+ </asp:TemplateColumn>
l[:Aq&[o3 ]Ac}+? <asp:TemplateColumn HeaderText="金额">
vb]kh_ <ItemTemplate>
:sg}e <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
T%) E!:}v </ItemTemplate>
<7Pp98si,u </asp:TemplateColumn><script language="javascript">
=w+8q1!o function DoCal()
7?R600OA {
^C'0Y.H S var e = event.srcElement;
A/<u>cCW var row = e.parentNode.parentNode;
o p9dYjG7 var txts = row.all.tags("INPUT");
A_9^S! if (!txts.length || txts.length < 3)
t([}a~1} return;
{7goYzQsi% To>,8E+GAb var q = txts[txts.length-3].value;
* $f`ouJl var p = txts[txts.length-2].value;
@5nFa~*K% 1]G)41 if (isNaN(q) || isNaN(p))
Pt"H_SW~k return;
\i_E}Ii0 Gf\h7)T\ q = parseInt(q);
ElQ?|HsQ6p p = parseFloat(p);
\_1a#|97e nf
/*n txts[txts.length-1].value = (q * p).toFixed(2);
Y'|,vG }
aL;!BlU8v </script>
h )
Wp v~Q'm1!O4\ _h!.gZB3 2DW@}[G EhHxB
fAQ 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
{=[>N>" page_load
bGWfMu=n page.smartNavigation=true
!B3TLeh (P)G|2= 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
[7v|bd private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
lv
8EfN {
>Wr%usNxc for(int i=0;i<e.Item.Cells.Count-1;i++)
)Zr9
`3[ if(e.Item.ItemType==ListItemType.EditType)
J3 _aHI {
)]1hN;Nz e.Item.Cells.Attributes.Add("Width", "80px")
1]7gYNzV" }
OjUPvR2 0 }
Y b+A{` A"V
mxP 26.对话框
'Z`7/I4& private static string ScriptBegin = "<script language=\"JavaScript\">";
A;TP~xq\ private static string ScriptEnd = "</script>";
qNEp3WY: "313eeIt%i public static void ConfirmMessageBox(string PageTarget,string Content)
;/K2h_=3z {
So aqmY;+ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
!ZBtXt#P 5W Ql?yMP ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
dVQ[@u1, XNJ4T]>< Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
3"y 6|e/5 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Cu[-<>my //Response.Write(strScript);
ZL!u$)(V }
t2N W$
-E js_`L#t 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
=c[tHf w_(3{P[Iz 1.1 取当前年月日时分秒
5> x_G#W currentTime=System.DateTime.Now;
3P
cVE\GN ":Wq<Z' 1.2 取当前年
#4^d#Gj int 年= DateTime.Now.Year;
@Wu-&Lb GShxPH{_j 1.3 取当前月
<S@jf4 int 月= DateTime.Now.Month;
cr1x
CPJj Ke$_l]} 1.4 取当前日
(eN7s_ int 日= DateTime.Now.Day;
";K w? QZ a.c 1.5 取当前时
G7 %bY int 时= DateTime.Now.Hour;
nr!N%Hi aLO^>", 1.6 取当前分
-=ZL(r
1 int 分= DateTime.Now.Minute;
/).{h'^Hq\ (j:
ptQ2$ 1.7 取当前秒
COrk (V int 秒= DateTime.Now.Second;
1vj/6L xA] L0h] 1.8 取当前毫秒
Jup)m/ int 毫秒= DateTime.Now.Millisecond;
c`a( OZ[ YB 28.自定义分页代码:
oaoTd$/5 kx"10Vw 先定义变量 :
rd%%NnT" public static int pageCount; //总页面数
G95,J/w public static int curPageIndex=1; //当前页面
*ukyQZ9 aB9!}3@ 下一页:
xs$$fPAQ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
qL(Q1O! {
x]~TGzS DataGrid1.CurrentPageIndex += 1;
:GHv3hn5 curPageIndex+=1;
[|}IS@ }
qNp1<QO0 c'2d+*[ bind(); // DataGrid1数据绑定函数
A4K.,bZ wQkM:=t5 上一页:
&p0e)o~Ux if(DataGrid1.CurrentPageIndex >0)
Cs'LrUB?=U {
.KsR48g8 DataGrid1.CurrentPageIndex += 1;
v3tJtb^'! curPageIndex-=1;
c OYDN[k }
Cy/&KWLenf J=4>zQLW bind(); // DataGrid1数据绑定函数
UM}u(;oo%) /7Q|D sa 直接页面跳转:
j0jl$^ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
x&}]8S) ']]d-~: if(a<DataGrid1.PageCount)
LF<&gC {
2G8pDvBr this.DataGrid1.CurrentPageIndex=a;
GK(CuwJe }
2z.ot' iCt.rr~;V bind();
"
qI99e I`>U#x* 29.DataGrid使用:
"
\$^j#o B5e9'X^
[ 添加删除确认:
zmMc*| private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
wBPo{ {
2|1fb-AR foreach(DataGridItem di in this.DataGrid1.Items)
%x)bZ=An {
s?SspuV if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
/@os*c|je {
D$>_W ,*V ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
D}-.< }
}`"`VLh }
(!j#u)O }
L9x-90'q,
B.z$0=b 样式交替:
k[=qx{Osx% ListItemType itemType = e.Item.ItemType;
g(7-3q8eq Jh[0xb if (itemType == ListItemType.Item )
|HazM9= {
|WS)KR ! e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
3v* ~CQy9 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
2*Z2uV^ }
JAbUK[:K else if( itemType == ListItemType.AlternatingItem)
QFh1sb)]d) {
nHK(3Z4G e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Io6/Fv>! e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
5&Oc`5QD }
h8rW"8Th UA[`{rf 添加一个编号列:
DA=!AK> DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
[^H2'&] DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
CB@7XUR W{p}N for(int i=0;i<dt.Rows.Count;i++)
ul{x|R {
Ts iJK dt.Rows["number"]=(i+1).ToString();
OATdmHW }
)0{`}7X m0HK1' DataGrid1.DataSource=dt;
Gvb2>ZN DataGrid1.DataBind();
'3.\+^3 'H1~Zhv DataGrid1中添加一个CheckBox,页面中添加一个全选框
3^xUN|.F*V private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
J~~\0 u {
^@fD{]I foreach(DataGridItem thisitem in DataGrid1.Items)
V>6klA}o {
rb?7i&- ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
PK\Z Rl }
3bEcKA_z( }
mvn- QP~" =?sG~ 将当前页面中DataGrid1显示的数据全部删除
V&mkS foreach(DataGridItem thisitem in DataGrid1.Items)
M!&Hn,22 {
K.tNV{OL if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
*_V+K {
TykT(= string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
?d')#WnC Del (strloginid); //删除函数
(m]l -Re }
.#EU@Hc }
4,RPidv%O ;QI9 OcE@/ 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)
fRp] OVK
)]- ~ 在Application_Start中添加以下代码:
'/Aq2 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
hgU;7R,?ir AppSettings["ConnStr"].ToString();
-L2.cN_ 3(YvqPp& 31. 变量.ToString()
r@G*Fx8Z *ug~LK5Y. 字符型转换 转为字符串
yT^x0?U 12345.ToString("n"); //生成 12,345.00
"Eh=@?]S_ 12345.ToString("C"); //生成 ¥12,345.00
z} fpV T 12345.ToString("e"); //生成 1.234500e+004
`}X3f#eO& 12345.ToString("f4"); //生成 12345.0000
@ @[xTyA 12345.ToString("x"); //生成 3039 (16进制)
g`fG84 12345.ToString("p"); //生成 1,234,500.00%
\f(Y:}9 \[2lvft! 32、变量.Substring(参数1,参数2);
&Bb<4R L];y}]:F* 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);
~q +[<xR\ M&Y .; 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)
+ bhym+ <SCRIPT language="javascript">
c>bq%} <!--
!{^\1QK function gook(pws)
<msxHw {
{1J&xoV" frm.submit();
9<CG s3\ }
u<ySd? //-->
uUR~&8ERX '8FC<=+p[ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
w[Gh+L30=5 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Q'B6^%:<~ <tr>
R614#yn-+ <td>
|w}w.% <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
:HViX:]H <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
[BbutGvj <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
iGXI6`F" Doze8pn <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
^S)TO}e <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Y o0FUj j|.} I </td>
}$su4A@0 FeJr\|FT </tr>
WUdKLx%F UnWW/]E </form>
}WFf''Z- lEL78l. 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。
%6j)=IOts 9W*+SlH@! 下面是获取用户输入的登陆信息的代码:
>v;8~pgO string name;
|BMV.Zi name=Request.QueryString["EmailName"];
&`|:L(+ 7;`o(
[N try
4tA_YIv
{
6"T['6:j int a=name.IndexOf("@",0,name.Length);
6bc337b f_user.Value=name.Substring(0,a);
p(SRjQt f_domain.Value=name.Substring(a+1,name.Length-(a+1));
e`tLR- & f_pass.Value=Request.QueryString["Psw"];
mbl]>JsQD }
xk~IN%\ Upl6:xYrG catch
T4e\0.If {
;d.K_P Script.Alert("错误的邮箱!");
~iBgw&Y Server.Transfer("index.aspx");
4fV3Ear=j }