1. 打开新的窗口并传送参数:
?v")Z0 ~ &pmJ:WO,h 传送参数:
u{3KV6MS response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
{K|{a "^trHh8= 接收参数:
|QzPY8B9O string a = Request.QueryString("id");
C u?$!|V string b = Request.QueryString("id1");
F;_;lRAb CY7REF 2.为按钮添加对话框
|
'z)RFqj Button1.Attributes.Add("onclick","return confirm(’确认?’)");
~]yqJYiid^ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Qy$QOtrv S3=J1R, 3.删除表格选定记录
_rR.Y3N int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
N&GcWcq string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
u(~s$ENl P;y/`_jo 4.删除表格记录警告
9z-"JnM private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
-Kc-eU-&q {
eU12*( switch(e.Item.ItemType)
pE`(kD {
J\{)qJ*jp case ListItemType.Item :
o _CVZ case ListItemType.AlternatingItem :
zH_q6@4 case ListItemType.EditItem:
3gM{lS}h# TableCell myTableCell;
nph{ myTableCell = e.Item.Cells[14];
_9-Ajv LinkButton myDeleteButton ;
%sq=lW5R{b myDeleteButton = (LinkButton)myTableCell.Controls[0];
K)v(Z" myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
:{AN@zC0\ break;
hlVP_h"z default:
~W#f,mf break;
$K iMu }
kQb0pfYs QxkfP %_g }
:C&?(HJ&r af_zZf!0 5.点击表格行链接另一页
4R0_%x6vG private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
t"L:3<U7 {
c]LH. //点击表格打开
ENmo^O#,u if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
J\%:jg( m e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
m0edkt-x }
Q,4F=b jmb\eOq+~V 双击表格连接到另一页
3}+/\:q* \?g%>D:O; 在itemDataBind事件中
g PfaiVY if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:.~a[\C@V< {
[0}471 string OrderItemID =e.item.cells[1].Text;
}iC~B} ...
dnx}c4P e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
y>OZ<!` }
,'9tR&S$_ 0L1P'*LRU 双击表格打开新一页
V":BAn if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
oY]VP+b! {
qYh,No5\;t string OrderItemID =e.item.cells[1].Text;
=.%ZF]Oe+# ...
OBl8kH(b> e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
</%H 'V@ }
`~}7k)F( \(CW?9) ★特别注意:【?id=】 处不能为 【?id =】
*"5a5.`%, 6.表格超连接列传递参数
`%Ghtm * <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
y"hM6JI <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
MT5A%|H e d{he 7.表格点击改变颜色
EH:1Z*|Z{\ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
q^cF D {
C0W~Tk\C2 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
v Y\O=TZT this.style.color=’buttontext’;this.style.cursor=’default’;");
|x4yPYBL }
[vi4,'wm Po_OQJ:bd 写在DataGrid的_ItemDataBound里
<7 rK if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
%8tN$8P {
)L!R~F
C e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
'2tEKVb this.style.color=’buttontext’;this.style.cursor=’default’;");
+E:(-$"R e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
$SXxAS1 }
q+z\Y? ;!}SgzSH} v;Dcq 8.关于日期格式
Z:hrrq9 hq*JQb;Y} 日期格式设定
\,EPsQV0? DataFormatString="{0:yyyy-MM-dd}"
VqrMi *W6 P~<93 我觉得应该在itembound事件中
d{hYT\7~1( e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
G"[pr%? 6'ZnyWb 9.获取错误信息并到指定页面
M;Rw]M gB(W`:[ 不要使用Response.Redirect,而应该使用Server.Transfer
9O Q4\ Ib\G{$r e.g
WK}+f4tdW[ // in global.asax
=QfKDA protected void Application_Error(Object sender, EventArgs e) {
aX%Zuyny if (Server.GetLastError() is HttpUnhandledException)
hN53= X: Server.Transfer("MyErrorPage.aspx");
h n|E< eh>E). //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
)r i3ds }
713M4CtJ qlJOb}$ I 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
lnWiE}F [8P2V 10.清空Cookie
xW9
s[X Cookie.Expires=[DateTime];
XgKG\C=3 Response.Cookies("UserName").Expires = 0
WS/+Yl %`1vIr(7 11.自定义异常处理
=)YYx8gR //自定义异常处理类
\Ji2uGT using System;
UK>=y_FYO using System.Diagnostics;
SU'9+=_$ xUpb1R namespace MyAppException
\#jDQ {
/&d`c=nH /// <summary>
sri#L+I /// 从系统异常类ApplicationException继承的应用程序异常处理类。
#6jwCEo=V /// 自动将异常内容记录到Windows NT/2000的应用程序日志
&] 6T^. /// </summary>
--YUiNhh public class AppException:System.ApplicationException
mJ>99:W+ {
(VAL.v* public AppException()
j2 ^T:q[ {
l&Ghs@>Kl if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
dO;vcgvb }
t)Q@sKT6 !#I/be] public AppException(string message)
&n.uNe {
@!/fvP LogEvent(message);
25n(&NV }
'F?Znd2L !s*''v* public AppException(string message,Exception innerException)
0r ;
nz]' {
Ww&- `. LogEvent(message);
VQ<i$ I if (innerException != null)
TDE1z>h+" {
X&?lDL7? LogEvent(innerException.Message);
T\!SA }
T;r];Y(b* }
(OcNC/9 )v{41sM+ //日志记录类
-xu.=n@, using System;
by]|O using System.Configuration;
-,A5^>}%,Y using System.Diagnostics;
j~S!!Z] using System.IO;
KBRg95E~]l using System.Text;
;3}EBcw) using System.Threading;
H
L|spl(c ? < O namespace MyEventLog
T5jG IIa {
*t M7> /// <summary>
{&EZ>r- /// 事件日志记录类,提供事件日志记录支持
^=Ct Aa2 /// <remarks>
$:E}Nj]{& /// 定义了4个日志记录方法 (error, warning, info, trace)
$%%>n^?? /// </remarks>
vZeYp /// </summary>
$`5lvy^ public class ApplicationLog
I,<54?vS {
<S8W~wC /// <summary>
o+_/)c /// 将错误信息记录到Win2000/NT事件日志中
iQzX-a|4] /// <param name="message">需要记录的文本信息</param>
T[XP\!z]B! /// </summary>
9X$#x90 public static void WriteError(String message)
+>:}req {
27],O@2?L WriteLog(TraceLevel.Error, message);
LbX6p }
aMvK8C%7 ;IuK2iDt< /// <summary>
CxA\yG3L& /// 将警告信息记录到Win2000/NT事件日志中
A]iv)C;] /// <param name="message">需要记录的文本信息</param>
b;J0'o^G| /// </summary>
.)@tXH=}+ public static void WriteWarning(String message)
RQpIBsj {
k=mT! WriteLog(TraceLevel.Warning, message);
uH&,%k9GVK }
{eswe h lkvk]v /// <summary>
(}FW])y /// 将提示信息记录到Win2000/NT事件日志中
V4eng " /// <param name="message">需要记录的文本信息</param>
a()6bRc~T /// </summary>
BgkB x public static void WriteInfo(String message)
F!)M<8jL&9 {
c2/R]%`)9 WriteLog(TraceLevel.Info, message);
EID)o[< }
<p^*Ydx /// <summary>
nGv23R(?G /// 将跟踪信息记录到Win2000/NT事件日志中
2z.8rNwT /// <param name="message">需要记录的文本信息</param>
" _:iK] /// </summary>
+%
XhQ public static void WriteTrace(String message)
G/fP(o-Wd {
s("Cn/ZkS WriteLog(TraceLevel.Verbose, message);
UbY~xs7_ }
Q"_T2fl]vP MvZ+n /// <summary>
@L[PW@:SZ /// 格式化记录到事件日志的文本信息格式
s!@=rq /// <param name="ex">需要格式化的异常对象</param>
FDVI>HK @ /// <param name="catchInfo">异常信息标题字符串.</param>
]g>m? \'n /// <retvalue>
pkXfsi-Nu /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
#h gmUa /// </retvalue>
H~?*KcZ 0\ /// </summary>
L}}=yh6r public static String FormatException(Exception ex, String catchInfo)
=mKfFeO. {
obAs<nk StringBuilder strBuilder = new StringBuilder();
Y]~ HAv ' if (catchInfo != String.Empty)
]27>a"p59Y {
FJa[ToZ4+ strBuilder.Append(catchInfo).Append("\r\n");
!F+|Y"c }
`26V`%bPkr strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
9h:jFhsA9 return strBuilder.ToString();
0i8[= }
}osHA`x"2 xb =8t! /// <summary>
&/>;LgN /// 实际事件日志写入方法
>JKnGeF /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Wl&
>6./{ /// <param name="messageText">要记录的文本.</param>
L$Hx?^3 /// </summary>
z(g%ue\ private static void WriteLog(TraceLevel level, String messageText)
?G$Om {
SY%A"bC try
xSpMyXrQ {
g08*}0-k EventLogEntryType LogEntryType;
qri}=du&F switch (level)
Ws-6W!Ib% {
@Jb@L case TraceLevel.Error:
Rk($lW) LogEntryType = EventLogEntryType.Error;
zmrQf/y{R
break;
Js\-['` case TraceLevel.Warning:
9J~:m$. LogEntryType = EventLogEntryType.Warning;
K1?Z5X(b
break;
Ur'9bl{5 case TraceLevel.Info:
LP^p~5Az LogEntryType = EventLogEntryType.Information;
VHXI@UT* break;
"gXxRHTX case TraceLevel.Verbose:
#4P8Rzl$/ LogEntryType = EventLogEntryType.SuccessAudit;
>I$B= break;
dT5J-70Fl default:
On#;)35M LogEntryType = EventLogEntryType.SuccessAudit;
b#D9eJhS break;
2[jL^XMM }
Jj2g5={ 2y3?!^$ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
O&`U5w //写入事件日志
UWQtvQ
f eventLog.WriteEntry(messageText, LogEntryType);
;[(=kOI i&'#+f4t }
zP_ ] catch {} //忽略任何异常
E]?)FH<oP }
ppAmN0=G } //class ApplicationLog
oR*ztM
}
$ q%mu w Y8@1>ah 12.Panel 横向滚动,纵向自动扩展
a?5WKO <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
0CPxIF& kUNj4xp) 13.回车转换成Tab
M{C6rm| <script language="javascript" for="document" event="onkeydown">
iI3v[S if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
p86~~rvq[ event.keyCode=9;
R'rTE </script>
:]vA2 nN>J*02( onkeydown="if(event.keyCode==13) event.keyCode=9"
%b=Y
<v `_|aeoK_ 14.DataGrid超级连接列
L
;6b+I DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
h S4.3]ei dZPW2yf 15.DataGrid行随鼠标变色
x>}B# private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
)VNM/o%Q {
lc]V\'e if (e.Item.ItemType!=ListItemType.Header)
z)}3**3'y {
j7K5SS_] e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
k/% #> e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
ToV6lS" }
BbFa=H. }
Hal7
MP }K2
/&kZ 16.模板列
!_qskDc- <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
w#oGX <ITEMTEMPLATE>
:*^:T_U <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Vzpt(_>< </ITEMTEMPLATE>
59.$ULQVMY </ASP:TEMPLATECOLUMN>
X4a^mw\" }i(qt&U; <ASP:TEMPLATECOLUMN headertext="选中">
5?Bc
Y; <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
2z4<N2!M <ITEMTEMPLATE>
'!p=aF9L <ASP:CHECKBOX id="chkExport" runat="server" />
grr'd+_ e </ITEMTEMPLATE>
aSel*
L <EDITITEMTEMPLATE>
aYqm0HCT <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
:pRF*^eU </EDITITEMTEMPLATE>
+#4]o
}6G </ASP:TEMPLATECOLUMN>
m+?N7 5L F/5` 后台代码
[!EXMpq' protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
hR-K@fS%l' {
aR _NyA //改变列的选定,实现全选或全不选。
qP7G[%=v CheckBox chkExport ;
WJfES2N if( CheckAll.Checked)
2UiR~P]% {
~/2g)IS foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
{;*}WPYb {
]bm=LA chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
"f4<B-9<$ chkExport.Checked = true;
a5|@R<iF }
r088aUO
P }
^5>s7SGB" else
$_sYfU9 {
k'Gw!p} foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
%<ic%gt`# {
:}Ok$^5s chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
OOok hZd` chkExport.Checked = false;
/Y,r@D }
,of]J| }
P^pFqUL7# }
w]nX?S8 Z&Ue|Z4Qt 17.数字格式化
+c--&tBo iwU[6A 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
=Q-k'= 6\ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
);Z]SGd m[spn@SF int i=123456;
#n3ykzoqIX string s=i.ToString("###,###.00");
dy<27 = >.e+S?o 18.日期格式化
nU2V]-qY b0rX QMu 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
\:Za[6 ; DDe.f" 显示为: 2004-8-11 19:44:28
Q8q@Y R# Zsj`F9*e 我只想要:2004-8-11 】
e`iEy=W <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
: lgi>^ Ow@v"L;jF! 应该如何改?
EiWd+v,QJQ L2fZ{bgy 【格式化日期】
,(N[*)G )o{aeV 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
m2xBS!fm io.]'"> 【日期的验证表达式】
.IgRY\?Q K*Ks"Vx A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
uFG<UF ^((\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})))?$
gzf-)J e"k/d< B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
e4\dpvL ^\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]))$
^2S# Uk RNWX.g)b 【大小写转换】
b*EXIzQ HttpUtility.HtmlEncode(string);
$ J1f.YE HttpUtility.HtmlDecode(string)
-:<lkq&/ [|RjHGf 19.如何设定全局变量
/:Lu_)5 E7nFb:zlV Global.asax中
_w!a`w*3 ;hHi@Z9 Application_Start()事件中
2 0tO#{Li aC!EWgwW[ 添加Application[属性名] = xxx;
.WX,Nd3@ ^:KO_{3E 就是你的全局变量
ab.tH$:< c?E{fD"Fc3 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
@0NJ{
|yKud HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
&;c>O
)h_8vO2 【ASPNETMENU】点击菜单项弹出新窗口
(dqCa[ `s"d]/85VW 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
d
~`V7B2Y <?xml version="1.0" encoding="GB2312"?>
g`0moXz <MenuData ImagesBaseURL="images/">
n lGHT <MenuGroup>
^U@~+dw <MenuItem Label="内参信息" URL="Infomation.aspx" >
D-&an@ <MenuGroup ID="BBC">
]s_8A`vm <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
H'DVwnn>ik <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
,<`)>2 'o ......
)OP){/ 4w93}t.z 最好将你的aspnetmenu升级到1.2版
Z[?mc|*x e,0-)?5R 21.读取DataGrid控件TextBox值
3n]79+w@z foreach(DataGrid dgi in yourDataGrid.Items)
*
F4UAQzYb {
nP3 E TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
t;NV $!! tb.Text....
`yO'[2 }
HrM$NRhu Vzg=@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?
}m-"8\_D IG ~`i I 〖思归〗
nZk+ <asp:TemplateColumn HeaderText="数量">
4aUiXyr*2 <ItemTemplate>
=QOg 6 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
5(m(xo6 onkeyup="javascript:DoCal()"
`yiC=$*[ />
F@YKFk+a Fhf<T` <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
EGVM)ur </ItemTemplate>
mtAE </asp:TemplateColumn>
?C-Towo=i 78 f$6J q <asp:TemplateColumn HeaderText="单价">
kz}R[7
<ItemTemplate>
U7h(`b <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
B1!kn}KlL{ onkeyup="javascript:DoCal()"
x;s0j"`Jb />
lLhL`C! pzZk\-0R <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
#xh_ .a'f|c6 </ItemTemplate>
7gF"=7{- </asp:TemplateColumn>
O+q/4 88s/Q0l <asp:TemplateColumn HeaderText="金额">
8'
DW#% <ItemTemplate>
c9"r6j2m5 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
^h' Sla </ItemTemplate>
$g0+,ll[6 </asp:TemplateColumn><script language="javascript">
]=pR function DoCal()
/YAJbr {
+0Q,vK#j^ var e = event.srcElement;
Fh$slow4! var row = e.parentNode.parentNode;
yLE7>48 var txts = row.all.tags("INPUT");
M5357Q if (!txts.length || txts.length < 3)
NPa\Cg[ return;
co8"sz0(U ').}N z var q = txts[txts.length-3].value;
tBbOY}.VD var p = txts[txts.length-2].value;
yw-8#y r!1D*v5&: if (isNaN(q) || isNaN(p))
%EbPI)yY3 return;
~^jq(:d) Mj#-j/{x{5 q = parseInt(q);
`l;n:]+ p = parseFloat(p);
1\*\?\T>_ /D&%v*~E txts[txts.length-1].value = (q * p).toFixed(2);
{76c%<`WaP }
Rhc-q|Lz8 </script>
#DU26nCL TfYVw~p_ % soA|wk\A #G" xNl 8Me:Yp_Xt 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。
PXzsj. page_load
|1b_*G4| page.smartNavigation=true
yZr M.%V IYn]U4P.
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 ?
`]Fx.)C# private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
ygJr=_iA9 {
K_)eWf0a for(int i=0;i<e.Item.Cells.Count-1;i++)
i':ydDOOHA if(e.Item.ItemType==ListItemType.EditType)
XR2~Q)@ {
TxjYrzC e.Item.Cells.Attributes.Add("Width", "80px")
nRL. ppUI }
M5nWVK7c }
B~]5$- Qd}m`YW-f$ 26.对话框
)a9 ]US^ private static string ScriptBegin = "<script language=\"JavaScript\">";
>(uZtYM\j private static string ScriptEnd = "</script>";
y&}E~5O *4+3ObA public static void ConfirmMessageBox(string PageTarget,string Content)
Vtc36-\1* {
* _a@z1 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
{"oxJ`z4 "Ve.cP,7( ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
CYYkzcc^ wO ?+Nh Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
|(5W86C,ju ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
{^(ACS9mL //Response.Write(strScript);
\%PaceH }
S5~VD?O, - p3Re9 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Bjk]ZU0T f Vb-$ 1.1 取当前年月日时分秒
eSWLrryY currentTime=System.DateTime.Now;
/| #&px)G 7+X:LA~U 1.2 取当前年
"k]CW\H6z int 年= DateTime.Now.Year;
d
;vT ~; O"Ku1t! 1.3 取当前月
*
#jsgj[ int 月= DateTime.Now.Month;
=mA: ctu~v }ci#> 1.4 取当前日
:RoBl3X= int 日= DateTime.Now.Day;
y_\p=0t8 }*.0N;;C 1.5 取当前时
nKW*Y}VO int 时= DateTime.Now.Hour;
x77l~=P+! fP.F`V_Y 1.6 取当前分
XGP6L 0j int 分= DateTime.Now.Minute;
'cY` w Y3Vlp/"rB" 1.7 取当前秒
i4^o59}8 int 秒= DateTime.Now.Second;
#fT*]NN m[j70jYe 1.8 取当前毫秒
nX$XL=6mJ& int 毫秒= DateTime.Now.Millisecond;
w"R:\@ F D8
hr?:I9 28.自定义分页代码:
!rqF}d /~ x"wo 先定义变量 :
;&1V0U,fx public static int pageCount; //总页面数
f B9;_z public static int curPageIndex=1; //当前页面
KII *az 6iCrRjY* 下一页:
B6wRg8 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
| WvU q {
D9j3Xu DataGrid1.CurrentPageIndex += 1;
Q}-~O1 curPageIndex+=1;
dtp oU&?6s }
XC.%za8 @|Rrf*J?% bind(); // DataGrid1数据绑定函数
aN"DkUYZM /yM:|`tT 上一页:
m1Y>Nj[f if(DataGrid1.CurrentPageIndex >0)
a4irokJv# {
R
{-5Etv DataGrid1.CurrentPageIndex += 1;
g!-,] curPageIndex-=1;
4;2< ^[M }
o6V}$wT3J H^YSJ6 bind(); // DataGrid1数据绑定函数
oWYmj=D~2z a'z) 直接页面跳转:
+nJUFc int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
~%YBI9$+ *zr(Zv if(a<DataGrid1.PageCount)
r$2P;Cxj {
AhZ8 0! this.DataGrid1.CurrentPageIndex=a;
N!g9*Z }
4'0Dr++ _cXqAo[V bind();
J>/w5$h5 \hB5@e4i2 29.DataGrid使用:
2Lx3=[ik .k,kTr$S 添加删除确认:
St e=&^ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
eut-U/3: # {
V O3x~E foreach(DataGridItem di in this.DataGrid1.Items)
y\a1iy {
fe9LEM8j if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
c|#8T*`C {
eY| ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
z[3L2U~6 }
BDjn
!3 }
0DJ+I }
+Nt2
+Y:O LRNh@g4ei 样式交替:
MZT23[+ ListItemType itemType = e.Item.ItemType;
6Q${U7%7 y$_eCmq if (itemType == ListItemType.Item )
"\3B^ e, {
=Xqc]5[i e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
IyWI5Q"t e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
tV{4"Ij9[ }
!y@6Mm else if( itemType == ListItemType.AlternatingItem)
CW,Wx: Y {
DKBSFm{~Q e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
<=>=.kmGt e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
)3>hhuaa }
{qN 5MsY %'X[^W 添加一个编号列:
4x 8)gE DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
=fO5cA6Z DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
!lj| cT9 njWL U! for(int i=0;i<dt.Rows.Count;i++)
0Nnsjh {
1q,{0s_kp dt.Rows["number"]=(i+1).ToString();
23DiW#o' }
OUhqMVX9C DF*:_B) DataGrid1.DataSource=dt;
t},/}b DataGrid1.DataBind();
%>g3~yl `#;e)1 DataGrid1中添加一个CheckBox,页面中添加一个全选框
m>MB7,C;N private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
s=0BMPDgm {
~Hr}] foreach(DataGridItem thisitem in DataGrid1.Items)
]hFW73FV {
}<9cL' ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
$3s@}vLd }
~wkj&yVT }
i? K|TC` 1$p2}Bf{n 将当前页面中DataGrid1显示的数据全部删除
4\4FolsK foreach(DataGridItem thisitem in DataGrid1.Items)
lXjXqk\ {
]Ccg`AR{ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
SV~cJ]F {
q)^Jj?W string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
A m>cd; Del (strloginid); //删除函数
R]RZq+2^ }
\E*d\hrl{ }
NbU [l d\jPdA.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)
3%%o?8ES Y]B)'[=h 在Application_Start中添加以下代码:
Stu4t==U Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
UHTvCc AppSettings["ConnStr"].ToString();
v33dxZ' 9mmCp&~Z 31. 变量.ToString()
hNH'XQxO V;:j ZpG 字符型转换 转为字符串
3<
2}V 12345.ToString("n"); //生成 12,345.00
s#)5h0t#du 12345.ToString("C"); //生成 ¥12,345.00
{6_|/KE9_ 12345.ToString("e"); //生成 1.234500e+004
Zw ^kmSL" 12345.ToString("f4"); //生成 12345.0000
oaoU _V 12345.ToString("x"); //生成 3039 (16进制)
@AIaC-,~] 12345.ToString("p"); //生成 1,234,500.00%
@jsDq
Ln 8(~K~q[Cr 32、变量.Substring(参数1,参数2);
(}EB2V9Hh
/#VhkC _ 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);
O4^8jK} uFPF!Ern 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)
%sX$nmi3 <SCRIPT language="javascript">
r0 ,:J <!--
nysUZB
function gook(pws)
]jmL]Ny^ {
|>tKq;/ frm.submit();
/q5v"iX]T }
GJtZ&H //-->
5[YDZ7g"~ O0pDd4)" </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
:]^P1sH[ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Dm-zMCf}Q <tr>
.QN>z-YA6: <td>
fDvl/|62{ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
pXtX jb <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
i-6F:\; <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
t_qNq{ 5Drq9B9; <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
{O`w,dMOI <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
'4|-9M3f <\}KT*Xp </td>
HP3lz,d t`,`6@d </tr>
LkK~%tY =yyp?WmC8 </form>
Bb}fj28 A3iFI9Iv 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。
D(H>R&b! ^k#P5oV 下面是获取用户输入的登陆信息的代码:
(r D_(%o string name;
yGPS`S name=Request.QueryString["EmailName"];
< VSA d
BJJZ^(
try
A?t%e {
x*nSHb int a=name.IndexOf("@",0,name.Length);
!qN||mCH f_user.Value=name.Substring(0,a);
s8#X3Rp f_domain.Value=name.Substring(a+1,name.Length-(a+1));
!Y\D?rKZ f_pass.Value=Request.QueryString["Psw"];
~ y;6W0x }
~;&m*2
|V \DD0s8 catch
Oms. e {
t{WzKy Script.Alert("错误的邮箱!");
pD01,5/ Server.Transfer("index.aspx");
*]VFvh }