1. 打开新的窗口并传送参数:
V
'.a)6 4_^[=p/R 传送参数:
nh.32q] response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
/M=3X|| *[}^[J
x 接收参数:
/7"I#U^u/ string a = Request.QueryString("id");
[k<1`z3 string b = Request.QueryString("id1");
{tiKH=&J [}z,J"Un 2.为按钮添加对话框
ZZxk]D< Button1.Attributes.Add("onclick","return confirm(’确认?’)");
:"1|AJo) button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
]a'99^?\ Um`!% 3.删除表格选定记录
W7sn+g\ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
|~0UM$OB^3 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
i|WQ0fD 4hs)b 4.删除表格记录警告
Fhf<T` private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
EGVM)ur {
mtAE switch(e.Item.ItemType)
?C-Towo=i {
Ib=x~za@n case ListItemType.Item :
qv*7K@ case ListItemType.AlternatingItem :
@N@F,~[RR2 case ListItemType.EditItem:
==N{1gO] TableCell myTableCell;
HD>q(cK_|8 myTableCell = e.Item.Cells[14];
bulS&dAX LinkButton myDeleteButton ;
xc@Ss[ myDeleteButton = (LinkButton)myTableCell.Controls[0];
=qy@Wvj$ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
O`[aU%4b break;
5GzFoy)j> default:
3FE( }G break;
LeOP;#
}
zp}eLm:=d }H> ^o9 }
>l']H*&B< 80OtO#1y 5.点击表格行链接另一页
p'_%aVm7 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+]Zva:$#` {
(V:E2WR //点击表格打开
/YAJbr if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
saf&dd e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Fh$slow4! }
yLE7>48 w >; L{ 双击表格连接到另一页
NPa\Cg[ co8"sz0(U 在itemDataBind事件中
SRIA*M.B} if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ypOLp SYk {
kYzKU2T\W string OrderItemID =e.item.cells[1].Text;
"Jq8?FoT ...
(V`Md\NL` e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
i%m"@7.kk }
`F YjQe"p =@&cH Y 双击表格打开新一页
s$ENFp7P if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
AlE8Xu9UB {
\_V-A f{6 string OrderItemID =e.item.cells[1].Text;
<EO$]>;0 ...
dO> VwP e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
'7^M{y/dU
}
B%CTOi CAq/K?:8 ★特别注意:【?id=】 处不能为 【?id =】
S-Y=-" 6.表格超连接列传递参数
f5AjJYq1 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
\wcam`f <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
{%lXY Myu W]M)Q}:Y 7.表格点击改变颜色
bV+(b9 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
tG vG {
&Mq~T_S e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
\>LnLH( this.style.color=’buttontext’;this.style.cursor=’default’;");
L!0OC''C }
g- AHdYJ t7n(Qkrv 写在DataGrid的_ItemDataBound里
}D411228 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
jp8@vdRg {
. o7m! e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
`nM/l@ this.style.color=’buttontext’;this.style.cursor=’default’;");
o8/;;* e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
KqBk~-G }
#} ~qqJ G2 9EDfd NN L37 Y+C// 8.关于日期格式
{vUN+We ('wY9kvL& 日期格式设定
&qpr*17T DataFormatString="{0:yyyy-MM-dd}"
"k*PA\U gVQjL+_W 我觉得应该在itembound事件中
CYYkzcc^ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
`ps)0!L
L` uH/w\v_I 9.获取错误信息并到指定页面
kpL@P oQ/r FuI73 不要使用Response.Redirect,而应该使用Server.Transfer
\%PaceH 1XM^8 .; e.g
fkf1m:Ckh // in global.asax
S}APQ protected void Application_Error(Object sender, EventArgs e) {
JD@J[YY5R if (Server.GetLastError() is HttpUnhandledException)
Tc8un. Server.Transfer("MyErrorPage.aspx");
N\:.
M O5$/55PI //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
{ eCC$&" }
Y<1QY?1sd <N\v)Ug` 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
JJ;[, zi`b2h 10.清空Cookie
rSXh;\MfB4 Cookie.Expires=[DateTime];
m_?d=o
Response.Cookies("UserName").Expires = 0
06$!R/K ST\$= 11.自定义异常处理
u[nyW3MZ //自定义异常处理类
}cT_qqw(f% using System;
@-UL`+ using System.Diagnostics;
.>Ljnk DXz}YIEC namespace MyAppException
>:D
j\"o {
]|`Cuc /// <summary>
*`ZH` V /// 从系统异常类ApplicationException继承的应用程序异常处理类。
64hk2a8 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Q+g!V5' /// </summary>
b
Q]/?cCYV public class AppException:System.ApplicationException
2M#r] {
3nZo{p:E public AppException()
,%\o4Rc'o {
t#q<n:WeYU if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
pZ/>[TP(%F }
': N51kC /~ x"wo public AppException(string message)
EEGy!bff {
ZPbpp@, LogEvent(message);
h/~n\0,J/ }
_.L4e^N&UO PO6&bIr public AppException(string message,Exception innerException)
m0v:\?S: {
`jwa<N4e@ LogEvent(message);
7o8{mp'_ if (innerException != null)
31/Edd"] {
s
kg* LogEvent(innerException.Message);
]XI*Wsn }
[IK ) }
R: l&2k@ 76u&EG% //日志记录类
`uC@nJ using System;
Pp )3(T: using System.Configuration;
4;2< ^[M using System.Diagnostics;
o6V}$wT3J using System.IO;
cJ54s} using System.Text;
#dM9pc jh using System.Threading;
P2bZ65>3y Mn)@{^ namespace MyEventLog
mdRU^n {
aH^RoG} /// <summary>
&^W|iXi# /// 事件日志记录类,提供事件日志记录支持
I1PuHf Qs /// <remarks>
;qrB\j" /// 定义了4个日志记录方法 (error, warning, info, trace)
Dk?\)lD` /// </remarks>
{mAU3x /// </summary>
HuOIFv public class ApplicationLog
66fO7OJs {
} \ZaE~ /// <summary>
qi_Jywd:w /// 将错误信息记录到Win2000/NT事件日志中
]CoeSA`j /// <param name="message">需要记录的文本信息</param>
&L^+BQ`O? /// </summary>
9uGrk^<t public static void WriteError(String message)
O BN2 ) j {
{)-aSywe WriteLog(TraceLevel.Error, message);
3-&QRR#p }
[7[0^ad LqA@&H /// <summary>
|+T1XYG5 /// 将警告信息记录到Win2000/NT事件日志中
ztw@Y|<2 /// <param name="message">需要记录的文本信息</param>
V O3x~E /// </summary>
z<yU-m2h public static void WriteWarning(String message)
q5?# 3 T= {
'0FhL)x?"T WriteLog(TraceLevel.Warning, message);
t+eVR8 }
l8?>>.<P= ~JaAii{ /// <summary>
%Ah^E$&n2 /// 将提示信息记录到Win2000/NT事件日志中
y3h/IpT /// <param name="message">需要记录的文本信息</param>
V3"=w&2]K /// </summary>
5=f|7yl public static void WriteInfo(String message)
KN* {
z_|/5$T>U WriteLog(TraceLevel.Info, message);
hNzB4p }
}`@728E
/// <summary>
E2m8UBS /// 将跟踪信息记录到Win2000/NT事件日志中
JYTP
2 /// <param name="message">需要记录的文本信息</param>
Y./2Ely /// </summary>
JfR%L q~ public static void WriteTrace(String message)
92 [;Y {
3\B>lKhQ WriteLog(TraceLevel.Verbose, message);
$C `;fA }
Z4lO?S5%J /oriW;OF /// <summary>
;72T|e /// 格式化记录到事件日志的文本信息格式
~-I+9F /// <param name="ex">需要格式化的异常对象</param>
%HL*c= /// <param name="catchInfo">异常信息标题字符串.</param>
ll C#1 /// <retvalue>
:53)Nv /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
nVi[ /// </retvalue>
q#s,-u u /// </summary>
!TUrQ public static String FormatException(Exception ex, String catchInfo)
R=|{n'n$0| {
;1a~pF S StringBuilder strBuilder = new StringBuilder();
!1ED~3/X if (catchInfo != String.Empty)
BW"5Aj {
C_7+a@?B strBuilder.Append(catchInfo).Append("\r\n");
6b:tyQ }
:3I@(k\PY strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
#Y4=J
6 return strBuilder.ToString();
1~PV[2a }
:$n=$C-wp #E&80#Z5 /// <summary>
"T|PS6R~ /// 实际事件日志写入方法
A -b
[>}_ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
*m#Za<_Gv /// <param name="messageText">要记录的文本.</param>
JhLgCnm /// </summary>
AT%u%cE- private static void WriteLog(TraceLevel level, String messageText)
D ^x-^6^ {
H XmS|PX try
PBp^|t]E> {
ROous4 MG EventLogEntryType LogEntryType;
sNLs\4v switch (level)
|g//g\dd {
|y2w9n0D case TraceLevel.Error:
k@'#@
t LogEntryType = EventLogEntryType.Error;
sPR1?:0: break;
MP>dW nl case TraceLevel.Warning:
h"/<?3{ LogEntryType = EventLogEntryType.Warning;
Zd')57{ break;
1#ft#-g} case TraceLevel.Info:
XR;eY:89 LogEntryType = EventLogEntryType.Information;
eb =D/ break;
1
=M ?GDc case TraceLevel.Verbose:
7BJzMlJ1Y LogEntryType = EventLogEntryType.SuccessAudit;
BYMi6wts break;
&8vCZN^ default:
< Pky9o; LogEntryType = EventLogEntryType.SuccessAudit;
9;B0Mq
py break;
<x<"n t }
`a2n:F |563D#?cR EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
;<(W% _ //写入事件日志
sk=-M8;\ eventLog.WriteEntry(messageText, LogEntryType);
\Z+z?K O #3+!ee27# }
FSA1gAW6g catch {} //忽略任何异常
<=>=.kmGt }
L:i-BI`J } //class ApplicationLog
* /:x sI }
l=v4Fa0^jF }Nf%n@ 12.Panel 横向滚动,纵向自动扩展
U15H@h <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
uLWh| Bq$rf < W 13.回车转换成Tab
R~S;sJ& c <script language="javascript" for="document" event="onkeydown">
&FF"nE* if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
\Hn>oonph event.keyCode=9;
\Ol kM< </script>
,"HL~2:~ ;N0~;I onkeydown="if(event.keyCode==13) event.keyCode=9"
_Nqt21sL /,g ,Ch<d 14.DataGrid超级连接列
r(RKwr:m DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
pLLGus+W Bi
@2 15.DataGrid行随鼠标变色
%>g3~yl private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
j4cwI90= {
2(#7[mgPI if (e.Item.ItemType!=ListItemType.Header)
0sfr d {
,}K7Dg^1 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
x3o]U)^ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
9f<MQ6_UU }
}<9cL' }
tF{D= ;G /assq+H 16.模板列
{/
BT9|LI <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
"gDb1h)8 <ITEMTEMPLATE>
Ht&:-F+dm <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
osX8eX]\ </ITEMTEMPLATE>
RsY3V=u </ASP:TEMPLATECOLUMN>
gk0( ANx fmb} 2h <ASP:TEMPLATECOLUMN headertext="选中">
"HDcmIXg& <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
@tZ&2RY1 <ITEMTEMPLATE>
^h"`}[+ <ASP:CHECKBOX id="chkExport" runat="server" />
?'KL11@R </ITEMTEMPLATE>
@NNq z <EDITITEMTEMPLATE>
SV~cJ]F <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
#0y)U;dA+w </EDITITEMTEMPLATE>
\cUC9/
b </ASP:TEMPLATECOLUMN>
VB,?Mo}R
+7=K/[9p 后台代码
z<##g protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
mjKS{ {
Yd#/1!A7u //改变列的选定,实现全选或全不选。
B(n{e53 9f CheckBox chkExport ;
hHT_V2* if( CheckAll.Checked)
z$?~Y(EY {
k[:bQ)H foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
<U!`J[n% {
4Za7^c. chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8&)DE@W chkExport.Checked = true;
WRrd'{sB }
vJ-q*qM1 }
~;#Y9>7\\' else
6y9t(m {
!g(KK|`,m foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Cc%LztP> {
'gTb A?+@5 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
RF%KA[Dj chkExport.Checked = false;
DUC#NZgw }
!>zo_fP }
4'!c*@Y
}
?C&z]f3(: K0}pi+= 17.数字格式化
cM$P`{QrM 8>WC5%f* 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
@jsDq
Ln <%#Container.DataItem("price","{0:¥#,##0.00}")%>
(?(zH3 =Q+=
f int i=123456;
`O[};3O& string s=i.ToString("###,###.00");
=1 Oj*x@*4 eFL=G% 18.日期格式化
xx{PespNt %0,#ADCqOe 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
R}4So1 2IKnhBSV3 显示为: 2004-8-11 19:44:28
%sX$nmi3 s0k`p<q 我只想要:2004-8-11 】
n1VaLD <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
CB/D4j; 9Bw|(J 应该如何改?
N#DYJ-~* &'
Ne!o8 【格式化日期】
9&_<f}ou (<}&DE 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
/q5v"iX]T 37|&?|| 【日期的验证表达式】
ak |WW]R EioB%f3 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
g'V>_u#( ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
[N#,K02mk 49dd5ddr B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
qx4I_% ^\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]))$
LS88.w\=S@ Zy(W^~NT 【大小写转换】
f v9V7 HttpUtility.HtmlEncode(string);
]2\VweV HttpUtility.HtmlDecode(string)
79xx2 EodQ*{l 19.如何设定全局变量
'{V0M<O ?Vf o+a, Global.asax中
N=QfP Y!gCMLL Application_Start()事件中
glF; eT 8F&=a,ps[ 添加Application[属性名] = xxx;
qIIv6''5@ h?8]C#6^ 就是你的全局变量
<\}KT*Xp HP3lz,d 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
zN"J}r: P)MDPI+~ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
(KF=On;=Y twlk-2yT! 【ASPNETMENU】点击菜单项弹出新窗口
; o0&`b? #EsNeBu 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
D(H>R&b! <?xml version="1.0" encoding="GB2312"?>
&qr;IL7' <MenuData ImagesBaseURL="images/">
ML8<4o <MenuGroup>
H
s"HID <MenuItem Label="内参信息" URL="Infomation.aspx" >
)>`G <MenuGroup ID="BBC">
6DuEL=C <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
[3--(#R\}? <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
7TDy.] ......
86mp=6@ |]ZYa.+: 最好将你的aspnetmenu升级到1.2版
=MLcm^b OC<5E121>Y 21.读取DataGrid控件TextBox值
.P MZX%*v foreach(DataGrid dgi in yourDataGrid.Items)
J1:1B,^y {
1PP $XJtyD TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
~ y;6W0x tb.Text....
26k LhFS }
FcYFovS L>a 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
V` 1/SQX q11>f 〖思归〗
tGl;@V@Qj <asp:TemplateColumn HeaderText="数量">
MvWaB <ItemTemplate>
x`dHJq`_g <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
FTQ%JTgT onkeyup="javascript:DoCal()"
km1~yQ"bH />
lAJxr8 . (3#Cl
1]f <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
4W)B'+ZK8 </ItemTemplate>
K?zH35f$ </asp:TemplateColumn>
OI0;BBZ d~`x )B( <asp:TemplateColumn HeaderText="单价">
ZO)S`W <ItemTemplate>
E8n)}[k!0 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
9J>&29@us0 onkeyup="javascript:DoCal()"
nCj2N,mT />
- qy6Un+ H+ 0$tHi <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
6^"=dn6K 'toa@5 </ItemTemplate>
nx^]>w </asp:TemplateColumn>
B{C??g8/ n>^Y$yy}! <asp:TemplateColumn HeaderText="金额">
PV4(hj <ItemTemplate>
3+G@g#MY <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
$}=krz:r </ItemTemplate>
h0g:@ae%& </asp:TemplateColumn><script language="javascript">
V8HnUuz function DoCal()
JNa"8 {
}`v~I4i var e = event.srcElement;
fbL\?S,w var row = e.parentNode.parentNode;
`^FGwx@ var txts = row.all.tags("INPUT");
.Jrqm if (!txts.length || txts.length < 3)
ghX|3lI\q return;
krC{ed Y<Xz
wro0 var q = txts[txts.length-3].value;
r]l!WRn var p = txts[txts.length-2].value;
aP8H`^DFX> fe_yqIdk if (isNaN(q) || isNaN(p))
$ n+w$CI) return;
;ml)l~~YU ;r>snJ=M q = parseInt(q);
+tk{"s^r* p = parseFloat(p);
.$%Soyr?, 4)"n
RjGg txts[txts.length-1].value = (q * p).toFixed(2);
}f8Uc+ }
u#V5?i </script>
7_mw%|m6@ =RAh|e ALNc'MW! -Gw$#! j|/]#@Yr 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。
O km{Xx page_load
C_n9T{k page.smartNavigation=true
hvuIxqv !y %9M~f* 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 ?
0LfU=X0#7 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
&znQ;NH# {
KA){''>8 for(int i=0;i<e.Item.Cells.Count-1;i++)
& M~`:R if(e.Item.ItemType==ListItemType.EditType)
LF~*^n> {
Ircp``g e.Item.Cells.Attributes.Add("Width", "80px")
v}tag#f5>? }
@W^| ? }
P '>SmQ $T`<Qq-r 26.对话框
)Lwc private static string ScriptBegin = "<script language=\"JavaScript\">";
4&_NJ\ private static string ScriptEnd = "</script>";
niqN{ +H9 >A0JF public static void ConfirmMessageBox(string PageTarget,string Content)
"ajjJ"x A {
`S2[5i string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
8g:;)u4$P BVr0Gk ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
GW$.lo1|) +[R/=$ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
3$m4q`J ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
VA9Gb9 //Response.Write(strScript);
%_(H{y_! }
m^H21P"z F6K4#t+9 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
qnoNT%xazo s_>
f5/i2 1.1 取当前年月日时分秒
CMCO}# currentTime=System.DateTime.Now;
|R56ho5C e?Ho a$k 1.2 取当前年
98WZ){+,m int 年= DateTime.Now.Year;
;Y;qg
59!Fkd3 1.3 取当前月
ooV3gj4 int 月= DateTime.Now.Month;
rN%F)
q# 7hi"6, 1.4 取当前日
V\{tmDE int 日= DateTime.Now.Day;
h-m\% |D )*Q-.Je/U 1.5 取当前时
KM!k$;my int 时= DateTime.Now.Hour;
m<w"T7 C%U`"-%n@7 1.6 取当前分
un=2}@ ' int 分= DateTime.Now.Minute;
HS.^y
x FP>)&3>_ 1.7 取当前秒
.'rW.'Ft int 秒= DateTime.Now.Second;
8Y_ol#\L Cf:#(D 1.8 取当前毫秒
.%^]9/4 int 毫秒= DateTime.Now.Millisecond;
]miy/V }5 S3@|Q\*r 28.自定义分页代码:
TU GNq hBFP1u/E' 先定义变量 :
<TE%Prd}` public static int pageCount; //总页面数
.p=sBLp8 public static int curPageIndex=1; //当前页面
*JaqTI,e ~{D[
>j][ 下一页:
8?i7U<CB if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
(&P9+Tl {
vi|R(& DataGrid1.CurrentPageIndex += 1;
kdCP curPageIndex+=1;
(:";i& }
`KCh*i Da v PYg bind(); // DataGrid1数据绑定函数
d5>H3D{49 |0\0a&tkPl 上一页:
Hw|AA?,0- if(DataGrid1.CurrentPageIndex >0)
u@.>Z{h {
aj"M>zd*} DataGrid1.CurrentPageIndex += 1;
RKa}$
7 curPageIndex-=1;
W0C@9&pn6 }
4WN3=B yY&3p1AxW] bind(); // DataGrid1数据绑定函数
R-RDT9&< :mS# h@l 直接页面跳转:
3"kdjOB int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
9Li%KOY 9XHz-+bQ if(a<DataGrid1.PageCount)
Mze;k3 {
=;3fq- this.DataGrid1.CurrentPageIndex=a;
HoLv`JA }
Sje wuIi1 JIFU;*PR1 bind();
sT/c_^y u1~9{"P* 29.DataGrid使用:
%\kOLE2` ErT{(t7 添加删除确认:
7-~Q5Kr. private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7]BW[~77 {
`- \/$M9s= foreach(DataGridItem di in this.DataGrid1.Items)
Hi
yc#-4 {
+*n-<x5" if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
e.*%K!( {
}HG#s4 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
"ywh9cp }
iz~
pGkt }
Yyfq }
0}:2Q# Y(+^;Y3U 样式交替:
Rm5Kkzd0o ListItemType itemType = e.Item.ItemType;
bO;(bE m@ yg2uC(2 if (itemType == ListItemType.Item )
?hR7<02 {
WnHUE e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Y];Ycj; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
qTB$`f'|$ }
HJC(\\~ else if( itemType == ListItemType.AlternatingItem)
i,nm`Z>u {
4#(ZNP e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
9~0^PzTA e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
;ml
3 }
`T2$4 >! j6,ZEm 添加一个编号列:
IF +i3#$ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Xwa_3Xm*Le DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
3loY qeP NJ MJ for(int i=0;i<dt.Rows.Count;i++)
gUAxyV {
v`c$!L5 dt.Rows["number"]=(i+1).ToString();
v6GsoQmA }
QI!F6pGF 7Mx6 DataGrid1.DataSource=dt;
+"ueq DataGrid1.DataBind();
aZk&`Jpz \@~UDP]7 DataGrid1中添加一个CheckBox,页面中添加一个全选框
zD)pF1,7:8 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
DOQc"+ {
!>(RK"KWq] foreach(DataGridItem thisitem in DataGrid1.Items)
OI0B:() {
@+Y8*Rj\3 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
8CC/ BOe }
oW$s
xS }
}Z`(aDH T}D<Sc 将当前页面中DataGrid1显示的数据全部删除
&48_2Q"{ foreach(DataGridItem thisitem in DataGrid1.Items)
46h@j>/K {
*RR[H6B^]X if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
UkfB^hA {
+<.\5+ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
-#29xRPk Del (strloginid); //删除函数
%vO<9fE|1 }
%@R~DBS }
e#/kNHl *8ExRQZ$ 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)
`*\{.;,]# .9|uQEL 在Application_Start中添加以下代码:
3_`szl- Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
j}+5vB|0 AppSettings["ConnStr"].ToString();
[WB{T3j 33~qgK1> 31. 变量.ToString()
"Jy~PcJZ1 H<ZU#U0FZf 字符型转换 转为字符串
Sg]
J7;] 12345.ToString("n"); //生成 12,345.00
S='syq>Aok 12345.ToString("C"); //生成 ¥12,345.00
O {k:yVb 12345.ToString("e"); //生成 1.234500e+004
]Y.deVw3i 12345.ToString("f4"); //生成 12345.0000
pl V7+?G 12345.ToString("x"); //生成 3039 (16进制)
\;]kYO} 12345.ToString("p"); //生成 1,234,500.00%
15zrrU~D y_}SK6{
32、变量.Substring(参数1,参数2);
o0pT6N) *o' 4,+=am 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);
ecX/K.8l !]S=z^"< 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)
-qe bQv <SCRIPT language="javascript">
l
SkEuN <!--
3^.8.q(6 function gook(pws)
\NX Q {
*C,N'M<u frm.submit();
/.=r>a}l }
2 [!Mx&^ //-->
;t]|15]u sg'NBAo" </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
6U,fz#<,} <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
.h;Se <tr>
>&H~nGP. <td>
t#<KxwhcN <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
hN(L@0) <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Z,WW]Y,$ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
{@r*+~C3 :w?7j_p# <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
WwW^[k (X <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
~4)Y#IxL }#= Od e </td>
[.q(h/b vZajT!h </tr>
>Wh3MG6 y67uH4&Vm </form>
ggou*;' !%mi&ak(Rn 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。
W>L@j( Q-zdJt 下面是获取用户输入的登陆信息的代码:
l_v*7d string name;
1.SkIu% name=Request.QueryString["EmailName"];
5a(<%Q
<" CtT~0Y| try
;o$;Z4:.D {
MB*u-N0v int a=name.IndexOf("@",0,name.Length);
4^Ow^7N? f_user.Value=name.Substring(0,a);
GM}C]MVD f_domain.Value=name.Substring(a+1,name.Length-(a+1));
NygI67 f_pass.Value=Request.QueryString["Psw"];
>IR$e=5$ }
vS M_]fn ygvzdYd catch
!*P&Eat {
9NWloK6bT Script.Alert("错误的邮箱!");
WL\^F#: Server.Transfer("index.aspx");
q{X T }