1. 打开新的窗口并传送参数:
0Ci\( 4<._)_m 传送参数:
b:3n)-V{ u response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
08AC9 {Ts@#V=: 接收参数:
HL$}Gh]q string a = Request.QueryString("id");
hFl$u8KV string b = Request.QueryString("id1");
U]j4Izq U;Z6o1G 2.为按钮添加对话框
f"t\-ux.b Button1.Attributes.Add("onclick","return confirm(’确认?’)");
V&`\ s5Q button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
RN\4y{@ 54~`8f 3.删除表格选定记录
9t@^P^}=\m int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
?hUC#{ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
TxAT )) &os9K) 4.删除表格记录警告
U ^1Xc#Ff private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
~01
o {
TP' switch(e.Item.ItemType)
A5-y+ {
OJ8 ac6cJ case ListItemType.Item :
h<H.8.o case ListItemType.AlternatingItem :
[.4R ,[U case ListItemType.EditItem:
=g4^tIYq TableCell myTableCell;
la#f,C3_ myTableCell = e.Item.Cells[14];
}M?\BH& LinkButton myDeleteButton ;
N^7Qn*qt[ myDeleteButton = (LinkButton)myTableCell.Controls[0];
2|]$hjs myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
-y]\;pbZ0 break;
Q4e*Z9YJ default:
H&jK|]UXoO break;
Z7RGOZQ}G }
`:cnu; ULc oti=, }
^$qr6+ edld(/wu~ 5.点击表格行链接另一页
x*td
nor& private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
NIufL
}6\ {
cF!ygz// //点击表格打开
kbzzage6L if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
IJHNb_Cku e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
@
hH;d\W# }
Kp?):6 [tYly`F 双击表格连接到另一页
!|6M ,Rk_ yO Ed8 在itemDataBind事件中
K3*8JF7_F if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
0<*R 0 {
O{Bll;C string OrderItemID =e.item.cells[1].Text;
e!
V`cg0 ...
Yqz(@( % e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
{<0=y#@u }
E!<w t qN((Xz+AZE 双击表格打开新一页
;;rEv5 / if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
f)w>V3~w, {
M{I8b<hY string OrderItemID =e.item.cells[1].Text;
ipU,.@~# ...
SA_5.. e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
)RA$E`!b }
QX}O{LQR JJ@O5 ★特别注意:【?id=】 处不能为 【?id =】
A41*4!L= 6.表格超连接列传递参数
$g&,$7}O_ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
!G E-5 \* <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
lc1?Vd$ l/9V59Fv9 7.表格点击改变颜色
,'[L6=# if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|uo<<-\jTO {
)]x/MC:9r e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
X v;} !z this.style.color=’buttontext’;this.style.cursor=’default’;");
sYnf
# ' }
XnC`JO+7M cU
<T;1VQ 写在DataGrid的_ItemDataBound里
0'u2xe if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
d|5V"U]W; {
j8WMGSrrF e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
9sYN7x this.style.color=’buttontext’;this.style.cursor=’default’;");
`s
HrC e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
$1<V'b[E }
+Hx$ABH [1{#a {4 .ko8`J%%M 8.关于日期格式
1_JtD|Jy {2wfv2hQ 日期格式设定
^q``f%Xt DataFormatString="{0:yyyy-MM-dd}"
7A0D[?^xe )IUeWR 我觉得应该在itembound事件中
dXr=&@1 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
r;:5P%: !DsKa6Zj 9.获取错误信息并到指定页面
}^r=( ^M?O 不要使用Response.Redirect,而应该使用Server.Transfer
/ J 3 U~!yGj F e.g
%|mRib|<C // in global.asax
hE.NW protected void Application_Error(Object sender, EventArgs e) {
c(Liwuj if (Server.GetLastError() is HttpUnhandledException)
\uxDMKy Server.Transfer("MyErrorPage.aspx");
u&MlWKCi 3^p<Wx //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
/C)mx#h] }
,<iJ#$:
Sx !YD~o/t@| Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
&"!s +_ ap|7./yg 10.清空Cookie
Qw>ftle Cookie.Expires=[DateTime];
x3ds{Z$,>( Response.Cookies("UserName").Expires = 0
GFM$1} Gvg)@VNr 11.自定义异常处理
J9s4lsea //自定义异常处理类
cp@(y$ using System;
L~F" using System.Diagnostics;
AgKG>%0 JMp>)*YS namespace MyAppException
]|NwC< {
ho*44=j /// <summary>
AKWM7fI /// 从系统异常类ApplicationException继承的应用程序异常处理类。
e}|UVoeH /// 自动将异常内容记录到Windows NT/2000的应用程序日志
2c?-_OCy; /// </summary>
s7j#Yg public class AppException:System.ApplicationException
aju!A q54G {
Rou$`<{H public AppException()
EOqvu=$6 {
8r"$o1! if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
6J/"1_ }
jP*5(*[&y z?o16o-: public AppException(string message)
r$3{1HXc {
nNb Oq[ LogEvent(message);
RmXC
^VQ }
"#7~}ZB d=<"sHO public AppException(string message,Exception innerException)
E,"?RbG {
3`y9V2&b LogEvent(message);
4 3cdWd% if (innerException != null)
tK9_]663 {
4
ZD~i e LogEvent(innerException.Message);
02g!mJW>}y }
3SbtN3 }
O{b.-<
?xTMmm //日志记录类
QwaCaYoh using System;
dWR0tS6vR` using System.Configuration;
,E&PIbDL1 using System.Diagnostics;
SplEY!.k using System.IO;
gFk~SJd using System.Text;
`-)!4oJ] using System.Threading;
x13t@b 8r7}6 namespace MyEventLog
u= a5Z4 N' {
(Uo:WyVj|F /// <summary>
?6h65GO{ /// 事件日志记录类,提供事件日志记录支持
WzM9{c /// <remarks>
C$MaJHkiF /// 定义了4个日志记录方法 (error, warning, info, trace)
.j*muDVQn /// </remarks>
}9n{E-bj * /// </summary>
ex_Zw+n public class ApplicationLog
F8e]sa$K\ {
t__UqCq~h /// <summary>
nC Mv&{~
/// 将错误信息记录到Win2000/NT事件日志中
c.5?Q>!+ /// <param name="message">需要记录的文本信息</param>
q}-q[p?
5 /// </summary>
-{z.8p}IW public static void WriteError(String message)
j3j<01rq {
]"'$i4I{R WriteLog(TraceLevel.Error, message);
z+ybtS>pZ }
JZ#O"rF eow6{CD8 /// <summary>
_D%aT6,G+( /// 将警告信息记录到Win2000/NT事件日志中
KA )9&6 /// <param name="message">需要记录的文本信息</param>
=nQ"ye /// </summary>
}6#lE,\lM public static void WriteWarning(String message)
5<o8prtB {
j$l[OZ:# WriteLog(TraceLevel.Warning, message);
/S29\^ }
>Mml+4<5 ;XFo:? /// <summary>
4k9O6 /// 将提示信息记录到Win2000/NT事件日志中
f.?p"~! /// <param name="message">需要记录的文本信息</param>
o(~QuHOp8> /// </summary>
j^DoILw public static void WriteInfo(String message)
%'2DEt?? {
j{)_&|^{ WriteLog(TraceLevel.Info, message);
\x JGR! }
.h)o\6Wq /// <summary>
,xA`Fu9^ /// 将跟踪信息记录到Win2000/NT事件日志中
0cV=>|b>; /// <param name="message">需要记录的文本信息</param>
gg;&a( /// </summary>
2z/qbzG7 public static void WriteTrace(String message)
S1 22.
I {
RS&l68[6 WriteLog(TraceLevel.Verbose, message);
g'G"`)~ 2 }
x1['+!01 HX1RA5O /// <summary>
20[_eu) /// 格式化记录到事件日志的文本信息格式
:S
Tj
< /// <param name="ex">需要格式化的异常对象</param>
8v&4eU'S /// <param name="catchInfo">异常信息标题字符串.</param>
\B _g=K /// <retvalue>
JA!O,4 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
_c*0Rr /// </retvalue>
$~M#msK9 /// </summary>
U
00}jH public static String FormatException(Exception ex, String catchInfo)
QdaYP {
^l\U6$3 StringBuilder strBuilder = new StringBuilder();
&WW|! 6 if (catchInfo != String.Empty)
I;dc[m {
cx?XJ) strBuilder.Append(catchInfo).Append("\r\n");
'~?\NeO= }
32[ lsU>1 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
h-B&m:gD_U return strBuilder.ToString();
N*.JQvbnr }
zZ3Ko3L%g_ YGVj$\ /// <summary>
NP%Y\%;l6 /// 实际事件日志写入方法
3nVdws /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
96fzSZS, /// <param name="messageText">要记录的文本.</param>
r|rOIAo /// </summary>
YEGRM$'` private static void WriteLog(TraceLevel level, String messageText)
BU|=`Kb|)) {
?#|Y'%a" try
M7R.?nk {
Y`@:L'j EventLogEntryType LogEntryType;
<u\j4<p switch (level)
Gi})*U]P| {
%X(iAoxbj case TraceLevel.Error:
c#eV!fl>& LogEntryType = EventLogEntryType.Error;
(8C
,"Dc[0 break;
%<@."uWF* case TraceLevel.Warning:
I_"1. LogEntryType = EventLogEntryType.Warning;
=5bef8 O break;
?3ldHWa case TraceLevel.Info:
_~f&wkc LogEntryType = EventLogEntryType.Information;
uY]nqb break;
3D3/\E#'o case TraceLevel.Verbose:
I
f9t^T# LogEntryType = EventLogEntryType.SuccessAudit;
yyZV/
x~ break;
$ZSjq default:
[[(29|`] LogEntryType = EventLogEntryType.SuccessAudit;
\W5fcxf break;
.Y}~2n }
n_[;2XQQ d+ P<nI/| EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
0Da9,&D //写入事件日志
}^).Y7{g[ eventLog.WriteEntry(messageText, LogEntryType);
4(5NHsvp W0GDn }
z:B4 catch {} //忽略任何异常
OgpZwwk }
if6/ +7 } //class ApplicationLog
m[~fT(NI }
eh=.Q<N HyKvDJ
3_ 12.Panel 横向滚动,纵向自动扩展
m22FOjk\ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
FsI51@V72Q QkJAjmB 13.回车转换成Tab
I^h^QeBis <script language="javascript" for="document" event="onkeydown">
$@t]0 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
37Z@a!# event.keyCode=9;
zS]8ma </script>
eH.~c3o 9sQ7wlK onkeydown="if(event.keyCode==13) event.keyCode=9"
4\qnCf3 pSM\(kVKa 14.DataGrid超级连接列
.!yXto: DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
[=dK%7v H+UA 15.DataGrid行随鼠标变色
CAX)AN private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
^m^4LDt {
$n |)M+d if (e.Item.ItemType!=ListItemType.Header)
|X :"AH"S {
r+6=b" e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
B%Pg:| e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
V^9c:!aI }
Z(F`M;1>xI }
JHN{vB b 4o`eR 16.模板列
`acX1YWh5 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Z_iVOctP <ITEMTEMPLATE>
G.CkceWRn <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
] B
ZSW </ITEMTEMPLATE>
\.m"u14[b </ASP:TEMPLATECOLUMN>
: b9X?%L~ {9>LF <ASP:TEMPLATECOLUMN headertext="选中">
p%;n4*b2 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
9"T&P_
<ITEMTEMPLATE>
g\;&Z <ASP:CHECKBOX id="chkExport" runat="server" />
!Z f<
j </ITEMTEMPLATE>
J]|Zh <EDITITEMTEMPLATE>
J9+<9g4-t <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
7f!"vhCXM; </EDITITEMTEMPLATE>
HV_5
+ </ASP:TEMPLATECOLUMN>
QahM)Gb [T|_J$
; 后台代码
RM/q\100 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
H{Fww4pn {
0$8iWL //改变列的选定,实现全选或全不选。
ma__LWKM, CheckBox chkExport ;
QtM9G@% if( CheckAll.Checked)
WX@a2c.' {
N@Fof(T& foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
NJ6*
7Cd {
6x?3%0Km chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*^|.bBG chkExport.Checked = true;
5,H,OZ} }
HB+{vuN*L }
0O,Q]P 82f else
IIrp-E MXJ {
QU&LC foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
>"}z
% # {
i@Vi.oc4[ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
QfHJZ7K.4 chkExport.Checked = false;
7RE'KH_$ }
IdP"]Sv{< }
F^La\cZ*' }
Jat|n97$ 'Ipp1a
Z_M 17.数字格式化
UBj"m< ^5{M@o 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
t@hE}R <%#Container.DataItem("price","{0:¥#,##0.00}")%>
B4 XN ?H7Ym N int i=123456;
JerueF;J string s=i.ToString("###,###.00");
((Jiv=% )?L 18.日期格式化
H Pvs~`>V y+R*<5qC< 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
jv<C#0E^ El9D1], 显示为: 2004-8-11 19:44:28
'
];| 0m`{m'B4n 我只想要:2004-8-11 】
=Fu~ 0Wc <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
@fjVCc; 'aLTiF+ 应该如何改?
[PRQa[_ eaNMcC1 【格式化日期】
R]Iv?)Y $0(~ID 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
V~tZNRJ- CAs8=N#H% 【日期的验证表达式】
71)DLGL nqnVFkGd9 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
7[ 82~jM[ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Q^p>hda },tN{() B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
'f'zV@) ^\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]))$
Imv]V6"D= J%|n^^ /un 【大小写转换】
1-!q,q HttpUtility.HtmlEncode(string);
p bRU" HttpUtility.HtmlDecode(string)
reO^_q' cV|u]ce%1 19.如何设定全局变量
CVk.Ez6 q!r4"#Y"@Z Global.asax中
"}91wfG9 @)iAV1r" Application_Start()事件中
()[j<KX{. :3oLGiL 添加Application[属性名] = xxx;
f&ZFG>)6 ~a5-xWEZ 就是你的全局变量
zJxO\ liU/O:Ap 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
IRq@~vdt) M2{AaYgD HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
/kK%}L_D 2%i3[N* 【ASPNETMENU】点击菜单项弹出新窗口
,o?yS>L_r =x QLf4> 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
q3SYlL'a <?xml version="1.0" encoding="GB2312"?>
x{|`q9V~ N <MenuData ImagesBaseURL="images/">
Hea76P5$P+ <MenuGroup>
ug?])nO.C <MenuItem Label="内参信息" URL="Infomation.aspx" >
z[E gMS! <MenuGroup ID="BBC">
. #7B10 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
mW+QJ` 3 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
W)OoHpdw ......
dI$U{;t H.H$5(?O 最好将你的aspnetmenu升级到1.2版
IegZ)&_n JGZxNUr^ 21.读取DataGrid控件TextBox值
+DpiX&^h foreach(DataGrid dgi in yourDataGrid.Items)
6`V2-zv$ {
`8D)j>Yh~ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
^y1P~4w? tb.Text....
vwc)d{ND }
7y/Pch )|Il@unp/ 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?
VK~ OL "&@v[O)!xu 〖思归〗
&OXnZT3P <asp:TemplateColumn HeaderText="数量">
)9PP3" I <ItemTemplate>
N.l\2S} <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
5VLJ:I?0O onkeyup="javascript:DoCal()"
u` j9m@` />
#("/ 1N6 @An "ClDa <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
O=A(x m# </ItemTemplate>
mqIcc'6f </asp:TemplateColumn>
Y,
?- [] 0=,vdT <asp:TemplateColumn HeaderText="单价">
3%J7_e' <ItemTemplate>
DXH"`1[- <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
#&oL iz=hZ onkeyup="javascript:DoCal()"
-weCdTY`X />
CSBk )]W|i9 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
VvS ^f .&Q'aOg </ItemTemplate>
/ }tMb </asp:TemplateColumn>
?F!='6D}b ?)2&LVrf <asp:TemplateColumn HeaderText="金额">
n>5/y
c"/q <ItemTemplate>
i#RT4}l"a <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
mv0JD( </ItemTemplate>
f(}AdW}? </asp:TemplateColumn><script language="javascript">
MU-T>S4
function DoCal()
HAHLF+k {
j)vfI> var e = event.srcElement;
6Z,j^: B var row = e.parentNode.parentNode;
5|pPzEA> var txts = row.all.tags("INPUT");
%YhM?jMW if (!txts.length || txts.length < 3)
>h> return;
*fIb|r *It`<F| var q = txts[txts.length-3].value;
HpQuro'Qh var p = txts[txts.length-2].value;
tsqkV7? XXe?@w2{ if (isNaN(q) || isNaN(p))
FVw4BUOmi return;
:v(fgS2\
=Ll:Ba Q q = parseInt(q);
]a
,H!0i p = parseFloat(p);
;t_'87h$y vnrP;T=^ txts[txts.length-1].value = (q * p).toFixed(2);
P_:~!+W, }
":G\ </script>
S.Z2gFE&tu w QnW2)9! B7R*g,( Alh"ZT^* "'8^OZR 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
b;AGw3SF page_load
e2@{Ab page.smartNavigation=true
i!U,qV1 x U1](O 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
ux
7^PTgcO private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Te :4z@? {
L]_1z for(int i=0;i<e.Item.Cells.Count-1;i++)
uv}?8$<\ if(e.Item.ItemType==ListItemType.EditType)
10C,\ {
vp#A D9h1 e.Item.Cells.Attributes.Add("Width", "80px")
Fhr5)Z }
XLeQxp= }
L+rMBa ZWVN(U 26.对话框
(8$; 4 q[! private static string ScriptBegin = "<script language=\"JavaScript\">";
a#_=c>h; private static string ScriptEnd = "</script>";
4)zHkN+ HLa3lUo public static void ConfirmMessageBox(string PageTarget,string Content)
Z%t"~r0PS {
D ^Cpgha string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
{okx*]PIc wVw?UN*rm; ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Xc!0'P0T Z fQzA}QD Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
uq~Z ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
lebwGW,! //Response.Write(strScript);
!i`HjV0wS }
x)h|!T=B~ :zWI" 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
m,TN%*U! $}* bZ~ 1.1 取当前年月日时分秒
Hfw*\=p
currentTime=System.DateTime.Now;
Ac'0 e{*-_j"I 1.2 取当前年
#KOr-Yg|U int 年= DateTime.Now.Year;
LZ?z5U: ";PW#VHC 1.3 取当前月
.*3.47O int 月= DateTime.Now.Month;
}K8W%h<3S Wvg+5Q 1.4 取当前日
`ecIy_O3P& int 日= DateTime.Now.Day;
2D"n#O`y )e1&[0 1.5 取当前时
\@3B%RW0 int 时= DateTime.Now.Hour;
,y'E#_cTgQ 4~bbng 1.6 取当前分
|lnMT)^D int 分= DateTime.Now.Minute;
zP
F0M( >Fzs%]M 1.7 取当前秒
C}= *%S int 秒= DateTime.Now.Second;
)Td;2 ecZT|X4u 1.8 取当前毫秒
HoTg7/iK int 毫秒= DateTime.Now.Millisecond;
?
_>L<Y YoT<]' 28.自定义分页代码:
VN5UJ!$?J p,)~w1| 先定义变量 :
D; @nrj`. public static int pageCount; //总页面数
~eVq Fc public static int curPageIndex=1; //当前页面
Ui^~A zn=Ifz)#| 下一页:
l[_y|W5 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
a&?SRC'x {
vzr?#FG DataGrid1.CurrentPageIndex += 1;
Vg>\@ C.s curPageIndex+=1;
!sJ*0 }
;g:!WXd Q"@x,8xW bind(); // DataGrid1数据绑定函数
h.~:UR* sghQ!ux 上一页:
3\ !DsPgW if(DataGrid1.CurrentPageIndex >0)
C'_^DPzj {
V\!6K DataGrid1.CurrentPageIndex += 1;
qt.G_fOz curPageIndex-=1;
NQFMExg, }
n.323tNY " 0:&x
n8L bind(); // DataGrid1数据绑定函数
T&ECGF;Y/ >Z\{P8@k0 直接页面跳转:
d"P\ =`+ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
N>+s8L.? W`qiPLk if(a<DataGrid1.PageCount)
8BHtN {
Tx+Bkfj this.DataGrid1.CurrentPageIndex=a;
h8ikM&fl }
Y%i=u:}fm ;`{PA
!> bind();
2$fFl,v!z &J
<k m 29.DataGrid使用:
C,;hNg[ ]z%X%wL 添加删除确认:
iK(G t6w private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
$wQkTx {
>\/H2j foreach(DataGridItem di in this.DataGrid1.Items)
s%{8$>8V. {
"RkbT O if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
HkP')= sa {
<8JV`dTywC ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
C0eqCu)Q }
YV6@SXy }
,D6hJ_: }
Ez= Q{g ptCFW_UV 样式交替:
BotGPk><c ListItemType itemType = e.Item.ItemType;
AB.gVw|
4 )t$<FP if (itemType == ListItemType.Item )
d-W@/J {
"<#-#j e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
WRq:xDRn0 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
e]1&f.K }
z<T(afM{* else if( itemType == ListItemType.AlternatingItem)
<;O-N= {
9i&(VzY[= e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
HB>&}z0 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
ir72fSe }
d~G, * D.Q9fa&P 添加一个编号列:
!vaS fL*] DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
c Nhy.Z~D DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
?^8CD.| SRUg2)d for(int i=0;i<dt.Rows.Count;i++)
Eeumi#$Z {
4/z
K3%J dt.Rows["number"]=(i+1).ToString();
FnoE\2}9 }
\1[=t+/ i42M.M6D $ DataGrid1.DataSource=dt;
vxey$Ir DataGrid1.DataBind();
^AI5SjOUx ZQ%4]=w DataGrid1中添加一个CheckBox,页面中添加一个全选框
oCCTRLb02 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
#|ppW fZQ {
<l:c O$ m foreach(DataGridItem thisitem in DataGrid1.Items)
(O&R-5m {
s>RtCw3, ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
^:Mal[IR }
JQo"<<[ }
bv NXA*0 V!|:rwG2 将当前页面中DataGrid1显示的数据全部删除
k\ 2.\Lwb foreach(DataGridItem thisitem in DataGrid1.Items)
n^a&@?(+ {
_SW_I{fjr if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Ojh\H {
L.E6~Rv string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
&n}eF- Del (strloginid); //删除函数
cl`!A2F1G# }
w_>SxSS7 }
}o'WR'LX zZhAH('fG 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)
xT]|78h$ Pl>BTo>p' 在Application_Start中添加以下代码:
BE#s@-zR=p Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
o \#C#NiT AppSettings["ConnStr"].ToString();
*hk8[ d,hKy2 31. 变量.ToString()
[i9.#* R#n!1~ ( 字符型转换 转为字符串
prdlV)LTpY 12345.ToString("n"); //生成 12,345.00
]]EOCGZ" 12345.ToString("C"); //生成 ¥12,345.00
$=IJ-_'o 12345.ToString("e"); //生成 1.234500e+004
6*{sZMG 12345.ToString("f4"); //生成 12345.0000
3eg)O34 12345.ToString("x"); //生成 3039 (16进制)
Wubvvm8U 12345.ToString("p"); //生成 1,234,500.00%
"-WEUz Bb~Q]V=x; 32、变量.Substring(参数1,参数2);
h@^d
Vg
w~3~:w$ 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);
y{?wxg9 |5;:3K+ 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)
bXx2]E227 <SCRIPT language="javascript">
Y`U[Y Hx <!--
N084k}io function gook(pws)
Xf"B\%,(` {
THOXs;
k0 frm.submit();
^L,Uz:[J }
0m,3''Q5lO //-->
vmY 88Kx&S 0sQt+_Dl%L </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
S260h,(, <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
;RElG>#$ <tr>
Wv4x^nJ <td>
2fa1jl <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
.8v[ss6: <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
iE}Lw&x <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
?}n\&|+ 19g-#H! <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
A~!v+W%vO1 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
%VSjMZ q[wVC
h </td>
ri]"a?Rm ac2G;}B| </tr>
_wY<8 F* >k)zd- </form>
fx"~WeVcO BJL*Dihm[ 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。
2qN|<S& Jn+k$'6%# 下面是获取用户输入的登陆信息的代码:
-J`VXG:M string name;
IHrG!owf name=Request.QueryString["EmailName"];
i'\7P-a ]bui"-tlK try
fbjT"jSzw {
av!'UZP int a=name.IndexOf("@",0,name.Length);
]9 ArT$ f_user.Value=name.Substring(0,a);
D2@J4;UW*W f_domain.Value=name.Substring(a+1,name.Length-(a+1));
O 8\wH f_pass.Value=Request.QueryString["Psw"];
)[Bl3+' }
mj!P
] 9iwSE(}, catch
_'.YC<; {
*oW^P~m/ Script.Alert("错误的邮箱!");
s (hJ * Server.Transfer("index.aspx");
'1Z3MjX }