1. 打开新的窗口并传送参数:
oJQ
\?~ f[
KI
T 传送参数:
o/ 7[
G response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
{$#88Qa\- =K_&@|f+B 接收参数:
[] el4.J, string a = Request.QueryString("id");
lF
t^dl^ string b = Request.QueryString("id1");
?C- ju8]| U1(cBY 2.为按钮添加对话框
`X)A$lLr Button1.Attributes.Add("onclick","return confirm(’确认?’)");
[b_qC'K[ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
o+.ySSBl+ Z;,G:@, 3.删除表格选定记录
0
vYG#S int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
|>OBpb string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
x4(8
=&Z t fD7!N{ 4.删除表格记录警告
fzA Fn$[ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
x6^Y&,y9kU {
@AM11v\: switch(e.Item.ItemType)
F`GXho[ {
*tv\5KW G case ListItemType.Item :
r*dNta< case ListItemType.AlternatingItem :
Ud7Z7?Ym case ListItemType.EditItem:
PT
}J.Dwx TableCell myTableCell;
@;x*~0GZ myTableCell = e.Item.Cells[14];
xkU8(= LinkButton myDeleteButton ;
IMBjI#\ myDeleteButton = (LinkButton)myTableCell.Controls[0];
R1/c@HQw? myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
=XK}eQ_d break;
|KY-kRN7 default:
,FXc_BCx4 break;
V%z?wDC }
^tjw }sE <EQaYZY= }
oe|8 !XM<`H/ 5.点击表格行链接另一页
(
mn:!3H% private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#C~ </R% {
w/"vf3}(9 //点击表格打开
\.}ZvM$ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%H;}+U]Z e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
8a&c=9 }
ijUu{PG`X JWYe~ 双击表格连接到另一页
' Ttsscv 3l,-n|x 在itemDataBind事件中
*8uS,s6g if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ecQ{ePoU {
r
d-yqdJ string OrderItemID =e.item.cells[1].Text;
g{i= $xc ...
5IOGH*'U8 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
em5~4;&' }
e&*b{>1* tW94\3)1 双击表格打开新一页
O9E:QN<U`* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
LokH4A17U {
J3~%9MCJ string OrderItemID =e.item.cells[1].Text;
j7QK8O$XL ...
4/k`gT4 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
e9
@{[ }
wu><a!3`=o /-i m
g^^ ★特别注意:【?id=】 处不能为 【?id =】
ivn2 6.表格超连接列传递参数
D[?;+g/ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
-*Rf [|Z <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
.@%L8_sMR v|\#wrCT? 7.表格点击改变颜色
fQ~TZ:UrU if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
TnKv)%VF {
?QzL#iO}h e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
+/l@ou' this.style.color=’buttontext’;this.style.cursor=’default’;");
_hJdC|/ }
9P)!v.,T/ g1}:;VG= 写在DataGrid的_ItemDataBound里
'RhS%l if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Jwfb%Xge~ {
%8h=_(X\7 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
<7SE| this.style.color=’buttontext’;this.style.cursor=’default’;");
I.G[|[. Do e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
HA,8O[jon }
RgUQ: t72u%M6 }A,!|m4 8.关于日期格式
KvEv0L<ky 7s3=Fa:9Q 日期格式设定
iw=e"6V DataFormatString="{0:yyyy-MM-dd}"
sNcU>qjj6 @eeI4Jz 我觉得应该在itembound事件中
U,Uy0s2r e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
od5nRb m;\nMdn 9.获取错误信息并到指定页面
jf`w8*R =}kISh 不要使用Response.Redirect,而应该使用Server.Transfer
mXyN{`q= U;4i&=.! e.g
"uT2 DY[ // in global.asax
Y0krFhL'x0 protected void Application_Error(Object sender, EventArgs e) {
9jY+0h*uP if (Server.GetLastError() is HttpUnhandledException)
+])<}S!M Server.Transfer("MyErrorPage.aspx");
A&p@iE*/ WeaT42*Q{ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
H#D:'B j29 }
,zr9* t 7M7Lj0Y)L 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
8/(}Wet >l><d!hw 10.清空Cookie
wdfbl_`T Cookie.Expires=[DateTime];
iQ(j_i'+!I Response.Cookies("UserName").Expires = 0
_pZ
< A[^#8evaK 11.自定义异常处理
dor1(@no| //自定义异常处理类
|LZ{kD| using System;
iu(obmh/o using System.Diagnostics;
>r7PK45.K ?d%{- namespace MyAppException
=X^a {
_u^3uzu /// <summary>
m"/..&'GC /// 从系统异常类ApplicationException继承的应用程序异常处理类。
gaz",kK< /// 自动将异常内容记录到Windows NT/2000的应用程序日志
%J9u?-~ /// </summary>
6H:
fg public class AppException:System.ApplicationException
JDZuT# {
^67}&O^1 , public AppException()
l0`bseN< {
0m]QQGvJ{ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
F~fBr }
4'dN7E1*f IqFcrU$4 public AppException(string message)
I:/|{:5 {
A+8)VlE\ LogEvent(message);
;$zvm`|: }
.Z'NH
wCy \wsVO"/ public AppException(string message,Exception innerException)
2wB*c9~ {
%L-qAI&V LogEvent(message);
/CO=!*7fz
if (innerException != null)
L&)e}" {
aVK,(j9u LogEvent(innerException.Message);
K$,<<hl }
s|A[HQUtJ }
}q]*aADe }A@:JR+|
//日志记录类
W)bSLD using System;
f3G:J<cL using System.Configuration;
BKtb@o~( using System.Diagnostics;
{[tmz;C using System.IO;
yP# Y:s using System.Text;
.U=x2txb using System.Threading;
LEPTL#WT1 H=,>-eVv* namespace MyEventLog
;YY<KuT {
YR0AI l:L /// <summary>
o*/;Zp== /// 事件日志记录类,提供事件日志记录支持
7F0J*M /// <remarks>
,'HjL:r /// 定义了4个日志记录方法 (error, warning, info, trace)
RHn3\N /// </remarks>
*(1<J2j /// </summary>
-*KKrte public class ApplicationLog
$%\6"P/64 {
qMVuFwPhi /// <summary>
yOQae m^O /// 将错误信息记录到Win2000/NT事件日志中
gAorb\iJ /// <param name="message">需要记录的文本信息</param>
Z;a)P.l.> /// </summary>
F7O*%y.'; public static void WriteError(String message)
4]m{^z`1 {
dWkQ NFKF WriteLog(TraceLevel.Error, message);
'A.5T%n- }
(>A#|N1U 4GF3.?3 /// <summary>
"Zhh>cz /// 将警告信息记录到Win2000/NT事件日志中
;z9,c /// <param name="message">需要记录的文本信息</param>
I50LysM /// </summary>
1c#\CO1l public static void WriteWarning(String message)
\9OKf|#j {
\RR`
F .7 WriteLog(TraceLevel.Warning, message);
BWxJ1ENM
}
?2da6v,t f!yl&ulKU /// <summary>
5j.@)XXe /// 将提示信息记录到Win2000/NT事件日志中
WHBGhU /// <param name="message">需要记录的文本信息</param>
X9|*`h < /// </summary>
X)hpbHa public static void WriteInfo(String message)
1ow,'FztPt {
tjRwbnT" WriteLog(TraceLevel.Info, message);
X$\CC18 }
mxF+Fp~ /// <summary>
PVF:p7 /// 将跟踪信息记录到Win2000/NT事件日志中
B *O/>=_ /// <param name="message">需要记录的文本信息</param>
~<<32t'S: /// </summary>
R[jFB
7dd public static void WriteTrace(String message)
:Bt,.uNC {
W[DoQ @q WriteLog(TraceLevel.Verbose, message);
1aS:bFi` }
nlhv WO9vOS> /// <summary>
OAs>F" /// 格式化记录到事件日志的文本信息格式
3bezYk /// <param name="ex">需要格式化的异常对象</param>
)8g&lyT /// <param name="catchInfo">异常信息标题字符串.</param>
=dHdq D /// <retvalue>
a@jM%VZ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
OET/4(C /// </retvalue>
~D}fy /// </summary>
C}<e3BXc public static String FormatException(Exception ex, String catchInfo)
D=z="p\ {
]!sCWR StringBuilder strBuilder = new StringBuilder();
6?%$e$s if (catchInfo != String.Empty)
F%$ q]J[ {
K<::M3eQ strBuilder.Append(catchInfo).Append("\r\n");
dF 6od }
*q=\e 9 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
7J5jf231 return strBuilder.ToString();
h>*3i# }
3GKKC9C6 k3t]lGp /// <summary>
Ih.)iTs~% /// 实际事件日志写入方法
bcwb'D\a /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
c-&Q_lB /// <param name="messageText">要记录的文本.</param>
W&cs&>F# /// </summary>
n_]B5U private static void WriteLog(TraceLevel level, String messageText)
qvo!nr7 {
HxW/t7Z( try
l
lcq~*zz {
Nb3O>&J EventLogEntryType LogEntryType;
x?B`p"ifS switch (level)
rp<~=X {
G7`mK}J7 case TraceLevel.Error:
J5jI/P LogEntryType = EventLogEntryType.Error;
8r"-3<* break;
w/ZP.B case TraceLevel.Warning:
r*mSnPz\q LogEntryType = EventLogEntryType.Warning;
YKU|D32 break;
;:oJFI#; case TraceLevel.Info:
{`*Fu/Upb LogEntryType = EventLogEntryType.Information;
+924_,zF break;
"2-D[rYZ case TraceLevel.Verbose:
MtPdpm6\ LogEntryType = EventLogEntryType.SuccessAudit;
lx5.50mI break;
7_Te-i default:
Z?qLn6y1W LogEntryType = EventLogEntryType.SuccessAudit;
1>\V>g9 break;
|ITCw$T }
>)NS U 'L7u` EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
@N<h`vDa //写入事件日志
GY@:[u.& eventLog.WriteEntry(messageText, LogEntryType);
;AVIt!(L~V LU8[$.P }
( 1 catch {} //忽略任何异常
5c}loOq }
>h~ik/|* } //class ApplicationLog
*v(Q-FW }
y"7*u
3>" p`\>GWuT! 12.Panel 横向滚动,纵向自动扩展
tj*0Y-F~ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
o[eZ"}~ 9^H.[t 13.回车转换成Tab
&+k*+ <script language="javascript" for="document" event="onkeydown">
/3hY[#e if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
?5B?P:=kl event.keyCode=9;
<VstnJo`Z </script>
~&<vAgy, ;<T,W[3J onkeydown="if(event.keyCode==13) event.keyCode=9"
Mr4,?Z&`-d = vF! 14.DataGrid超级连接列
|Bi7:w DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
h$9ut@I .]4MtG 15.DataGrid行随鼠标变色
9a+Y )?z private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
A\9LJ#E {
0uM&F[.x@g if (e.Item.ItemType!=ListItemType.Header)
-\B*reC {
b|E ZD3y e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
-~(d_ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
HEc.3 }
J9XH8Grk- }
!wEe<], [r Nd7-j < 16.模板列
#1*7eANfr <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
O<|pw <ITEMTEMPLATE>
5wAKA`p"z <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
IaOR%Bg </ITEMTEMPLATE>
EBL-+%J8 </ASP:TEMPLATECOLUMN>
,UVu.RjXN K8[Um!( <ASP:TEMPLATECOLUMN headertext="选中">
,H.5TQ# <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
h0dZr-c <ITEMTEMPLATE>
-(lP8Y~gFY <ASP:CHECKBOX id="chkExport" runat="server" />
kmu`sk" </ITEMTEMPLATE>
w?8\9\ ;? <EDITITEMTEMPLATE>
A1Uy|Dl <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
B1U!*yzG6 </EDITITEMTEMPLATE>
kMLJa=]$ </ASP:TEMPLATECOLUMN>
tEo-Mj5: NMhpKno 后台代码
Pe\Obd8d protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
2T?Y {
A*/8j\{n //改变列的选定,实现全选或全不选。
LxWd_B CheckBox chkExport ;
c1a$J` if( CheckAll.Checked)
YIgHLM( {
\ %MsG foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
8*#$3e {
Bvj sl chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
dXM8iP chkExport.Checked = true;
PrfG }
0nkC%j }
)'RaMo` 4 else
y4I Qa.F {
j6k"%QHf foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
uH'? Ikx" {
8L_OH chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
S|@/"?DC chkExport.Checked = false;
N`?/kubD }
0T(+z)Ki }
3>MILEY^ }
,3-^EfccW @b., pwZF 17.数字格式化
4]p#9`j ,:'JJZg@ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
$-t@=N@vO? <%#Container.DataItem("price","{0:¥#,##0.00}")%>
/hVwrt( ae@!M int i=123456;
2T(+VeMQ= string s=i.ToString("###,###.00");
+Q);t, ns\I Y<Yo 18.日期格式化
M?}:N_9<J Oi^cs=} 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
ibwV#6 $$o( 显示为: 2004-8-11 19:44:28
!=*8*?@ C$C>RYE?. 我只想要:2004-8-11 】
x6!Q''f7 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
A:Gd F-;[ 9c,/490Q 应该如何改?
=23@"ji@D olxxs( 【格式化日期】
ln8NcAEx /2/aMF(J 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
5=#d#dDc emrA!<w!W 【日期的验证表达式】
p-EU"O VMJaL}J] A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
k%O3\q ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
-oUNK}> 9xzow,mi B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
,1Z([R* ^\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]))$
8c9<kGm$E aL90:,V 【大小写转换】
M,li\)J!& HttpUtility.HtmlEncode(string);
&s?uMWR HttpUtility.HtmlDecode(string)
5}]+|d; [ @"6:tTU 19.如何设定全局变量
.%.7~Nu, SVn@q|N Global.asax中
hp9LV2_5 7(tsmP Application_Start()事件中
.{`C>/"} 5%fWX'mS 添加Application[属性名] = xxx;
_JNYvngm r`EjD}2d 就是你的全局变量
F?H=2mzKbz &zEBfr 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
=GF=_Ac <? !' HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
y6[ le*T ]plp.f#av 【ASPNETMENU】点击菜单项弹出新窗口
Tt{z_gU6 </xf4.C 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
R@tEC)Zn <?xml version="1.0" encoding="GB2312"?>
;A7JX:*?y= <MenuData ImagesBaseURL="images/">
xypgG;`\ <MenuGroup>
NqOX);'L0 <MenuItem Label="内参信息" URL="Infomation.aspx" >
(6a<{ <MenuGroup ID="BBC">
?fq!BV <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
+By '6?22 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
<)(W7#Ks ......
HKT, 5 ,i<cst)$u 最好将你的aspnetmenu升级到1.2版
hf2bM
`d Avi_]h& 21.读取DataGrid控件TextBox值
Y&Fg2_\"> foreach(DataGrid dgi in yourDataGrid.Items)
H7;,Kr {
Y2.zT6i TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
eXK3W2XF tb.Text....
.f-=gZ* * }
eh]syeKBj N_iy4W(NU 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?
{GnZ@Q:F KZZ Y9 〖思归〗
lA/-fUA <asp:TemplateColumn HeaderText="数量">
$*%, <ItemTemplate>
T7.SjR6X> <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
ug ;Xoh5w onkeyup="javascript:DoCal()"
j_<!y(W />
ysIhUpd aHpZhR|f$ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
ZBY2,%nAo </ItemTemplate>
WfG +_iP? </asp:TemplateColumn>
\$Wpt#V '=Lpch2J <asp:TemplateColumn HeaderText="单价">
*kqC^2t <ItemTemplate>
t? 6 et1~ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
7f ub^'_ onkeyup="javascript:DoCal()"
_&S#;ni\c />
{ ,c*OR O]@#53)Tz <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
d*gv.mE <n#X~}i) </ItemTemplate>
-wg}X-'z0 </asp:TemplateColumn>
5~IdWwG*w m<>BxX <asp:TemplateColumn HeaderText="金额">
P,'%$DLDg <ItemTemplate>
_\tv ${ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
(,QWK08 </ItemTemplate>
!\BZ_guz </asp:TemplateColumn><script language="javascript">
YJ"D"QD function DoCal()
JVy|SA&R {
^w~B]*A:" var e = event.srcElement;
H~Vf;k> var row = e.parentNode.parentNode;
6V JudNA var txts = row.all.tags("INPUT");
$'Mf$h if (!txts.length || txts.length < 3)
;2&" return;
breF,d$ LAf#Rco4 var q = txts[txts.length-3].value;
O=}Rp1 var p = txts[txts.length-2].value;
1a{r1([) B^P&+,\[} if (isNaN(q) || isNaN(p))
&*+$38XE^ return;
f?k0(rl h L [ eA q = parseInt(q);
W>d)( p = parseFloat(p);
ztSQrDbbb4 (M$>*O3SR txts[txts.length-1].value = (q * p).toFixed(2);
c6 mS }
-X$EE$: </script>
wxh\CBxG QtKcv7:4 x$BNFb%I1 jUA~}DVD -W('^v_* 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
;; +AdN5 page_load
Nv36#^Z page.smartNavigation=true
iD_y@+iz Yr-SlO> 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
G|1.qHP[F private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
XxmWj-=qO {
4{zy)GE|W for(int i=0;i<e.Item.Cells.Count-1;i++)
|3,WiK=' if(e.Item.ItemType==ListItemType.EditType)
IV. })8 {
#c@&mus e.Item.Cells.Attributes.Add("Width", "80px")
\uPzj_kU6 }
-]zb3P }
nD*iSb* uWdF7|PN7 26.对话框
04|ZwX$>+ private static string ScriptBegin = "<script language=\"JavaScript\">";
<.4(#Ebd private static string ScriptEnd = "</script>";
Bgc]t <F0^+Pf/ public static void ConfirmMessageBox(string PageTarget,string Content)
EA6l11{Gk1 {
o$.#A]Flb string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
=+j3E<w ;HXk'xN ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
0!dNW,NfJ o6O-\d7^M Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
o(jLirnk ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
TxG@#" ^g} //Response.Write(strScript);
e~lFjr] }
}BlyEcw'aN r4*H96l 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
gUx}vE- g-d{"ZXd J 1.1 取当前年月日时分秒
63u%=-T%a
currentTime=System.DateTime.Now;
VmPh''Z%- #4$YQ 1.2 取当前年
uM[|>t int 年= DateTime.Now.Year;
/y-D_ nahq O|~ 1.3 取当前月
AtCT int 月= DateTime.Now.Month;
}bS1M d0I s|Gs 1.4 取当前日
p)/e;q^ int 日= DateTime.Now.Day;
/)_4QSz7 08nh y[ 1.5 取当前时
,R`CAf%* int 时= DateTime.Now.Hour;
"73y}' C+s/KA% 1.6 取当前分
0@zJa;z' int 分= DateTime.Now.Minute;
a4^hC[a [6mK<A,/ 1.7 取当前秒
rueaP int 秒= DateTime.Now.Second;
"{D/a7]lC JL87a^ro 1.8 取当前毫秒
WkA47+DsV int 毫秒= DateTime.Now.Millisecond;
(t@)`N{ wz:e\ ! 28.自定义分页代码:
d5gwc5X NzQvciJ@" 先定义变量 :
}?Y -I>
w public static int pageCount; //总页面数
iptA#<Yj public static int curPageIndex=1; //当前页面
:P_h_Tizv 8+oc4~!A@n 下一页:
7w)8s if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
jD S\ {
iw,uwh|L
DataGrid1.CurrentPageIndex += 1;
PkDt-]G. curPageIndex+=1;
'W_NRt: }
nb/q!8 #0<pRDXj bind(); // DataGrid1数据绑定函数
2PSExK57 j
"<?9/r 上一页:
8m
iJQIq if(DataGrid1.CurrentPageIndex >0)
^;PjO|mD
Z {
f<bB= 9J DataGrid1.CurrentPageIndex += 1;
cwzkA,e@ curPageIndex-=1;
n>.@@ }
h8UhrD<: aF?_V!#cT bind(); // DataGrid1数据绑定函数
vf3) T;X> geyCS3
:p 直接页面跳转:
Lbz/M_G int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
@QmN= X5 h7E?7nR if(a<DataGrid1.PageCount)
SnFyK5 {
ck]I? this.DataGrid1.CurrentPageIndex=a;
aYa`ex }
- nNKUt.I @3c'4O
bind();
5CK\Z'c~! A_@..hX( 29.DataGrid使用:
?Sh]kJO i_*yS+Z; 添加删除确认:
)'n@A% B private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
rogy`mh\r2 {
5"nq
h}5 foreach(DataGridItem di in this.DataGrid1.Items)
vOlfyH> {
zy$jTqDH if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
$jh$nMx)! {
^ou)c/68aQ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
_@B? }
yy{YduI }
N/0aO^"V }
J8Wits]A]$ QY)p![6Fj 样式交替:
Nxe1^F33 ListItemType itemType = e.Item.ItemType;
PzKTEYJL u|IS7>Sm if (itemType == ListItemType.Item )
Cty{ {
*Ze0V9$' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
)KFxtM- e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
tjThQ }
x@43ZH_ else if( itemType == ListItemType.AlternatingItem)
y$7Ys:R~ {
%_s)Gw&sq e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
ZJs~,Q e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
D1y`J&A>Q }
-hnNaA G)s.~ T 添加一个编号列:
ri4z^1\ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
"|(.W3f1 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
m@kLZimD "W+>?u ) for(int i=0;i<dt.Rows.Count;i++)
`$jun {
vE(]!CB dt.Rows["number"]=(i+1).ToString();
hev;M)t }
5OWyxO3{ }6a}8EyFP DataGrid1.DataSource=dt;
bEcN_7 DataGrid1.DataBind();
=!SV;^-q 1]''@oh{6U DataGrid1中添加一个CheckBox,页面中添加一个全选框
Ld.9.d] private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
nQV0I"f]?] {
$#f_p-N foreach(DataGridItem thisitem in DataGrid1.Items)
u4FD}nV {
6ZE`'pk< ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
=At" Q6-O }
%R?7u'=~ }
QErdjjgE )lLeL#]FLO 将当前页面中DataGrid1显示的数据全部删除
7Q|<6210 foreach(DataGridItem thisitem in DataGrid1.Items)
:8OT {
8:c=h/fa
if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
vzs4tkG {
fWJpy#/^*K string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
toGd;2rl Del (strloginid); //删除函数
$$ *tK8# }
u_NLgM7* }
&=)O:Jfa A{\?]]/ 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)
X>`03?L C)j/!+nh 在Application_Start中添加以下代码:
I\_2=mL Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
$i+@vbU6 AppSettings["ConnStr"].ToString();
dz+!yE\f$ RdD>&D$I 31. 变量.ToString()
$)NS]wJ]3 ~.3v\Q 字符型转换 转为字符串
RN 4?]8 12345.ToString("n"); //生成 12,345.00
*_I`{9~' 12345.ToString("C"); //生成 ¥12,345.00
|Io:D: 12345.ToString("e"); //生成 1.234500e+004
U)f('zD 12345.ToString("f4"); //生成 12345.0000
bu6Sp3g 12345.ToString("x"); //生成 3039 (16进制)
A{;"e^a-^l 12345.ToString("p"); //生成 1,234,500.00%
P]n0L4c 0fX` >-X 32、变量.Substring(参数1,参数2);
8GW+: (rhlK}
C 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
o} QP+ eZa7brC| 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
V5$Gb6?K <SCRIPT language="javascript">
P^"RH&ZQJ <!--
'|=Pw function gook(pws)
?WXftzdf6u {
S||W frm.submit();
\azMF} mb }
D)x^?! //-->
^k7I+A @4UX~=:686 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
A^FkU <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
hNh!H<}|m8 <tr>
D+:s{IcL< <td>
nuWQ3w
p[e <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
VK*_pEV,} <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
RK-bsf <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
dQSO8Jf /7"V~c6 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
VsSAb% <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
v#{Nh8n U -OD </td>
-V;Y4,:c ox`Zs2-a </tr>
ppn 8 Wap4:wT </form>
{.k IC@^O }Fu1Y@M% 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。
uMva5o ]/Nt 下面是获取用户输入的登陆信息的代码:
v@Eb[7Kq/1 string name;
6M&ajl`o name=Request.QueryString["EmailName"];
PEEaNOk
1b A z@@0 try
:|kO}NGM {
]QR]#[Tn' int a=name.IndexOf("@",0,name.Length);
QAx9W% f_user.Value=name.Substring(0,a);
xP~GpVhLF f_domain.Value=name.Substring(a+1,name.Length-(a+1));
ds+K7B$ f_pass.Value=Request.QueryString["Psw"];
\(
V1-, }
I,#E`) ZKrK>X catch
\?t8[N\_[( {
@`
Pn<_L Script.Alert("错误的邮箱!");
`lE&:) Server.Transfer("index.aspx");
I~F&@ }