1. 打开新的窗口并传送参数:
S G|``}OA z6 2gF|Uj 传送参数:
E,&BP$B response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
zim]3%b*A; ^Lr)STh 接收参数:
Y+75}]B string a = Request.QueryString("id");
DP **pf%j string b = Request.QueryString("id1");
YzJ\< tkp fx(^}e 2.为按钮添加对话框
NPy{ =#k4 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
4^vEMq8lB button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
;M}'\. d%VG@./xq 3.删除表格选定记录
T8+A`z=tSb int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
. #`lW7 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
;Nf5,D.D rt)70= 4.删除表格记录警告
&^$dHr6v private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
aTF~rAne< {
Sd/?xyF1( switch(e.Item.ItemType)
d~@&*1} {
/ 4{6` case ListItemType.Item :
_|qJ)gD[ case ListItemType.AlternatingItem :
\x?q!(;G2 case ListItemType.EditItem:
,5^XjU3c= TableCell myTableCell;
;/?M&rX myTableCell = e.Item.Cells[14];
2>BWu LinkButton myDeleteButton ;
)7@f{E#w myDeleteButton = (LinkButton)myTableCell.Controls[0];
Lt>"R! "x myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
d\&{Ev9v break;
o}H7;v8H default:
)jkX&7x break;
?,~B@Kx }
J%`-K"NB u:#+R_0#97 }
\|9@*]6: Y/cnj n 5.点击表格行链接另一页
}pOL[$L private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
W FVx7 {
vW,dJ[N6jm //点击表格打开
wz^Q,Od if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Ojqbj0E9 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
*y
+T(73 }
s&:LY"[` L&V;Xvbu% 双击表格连接到另一页
70bI}/u dl_ h0 在itemDataBind事件中
{"|P if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
OI0#@_L& {
2z9\p%MX string OrderItemID =e.item.cells[1].Text;
_K"|}bM ...
W>3[+wB e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
e~C5{XEE }
Sq^f}q qW*JB4`?a 双击表格打开新一页
BoQLjS{kN if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:xOne<@ {
wG;#L7% string OrderItemID =e.item.cells[1].Text;
H]&a}WQ_ ...
&4 Py e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
/ blVm1F }
7PQ03dtfg 9gP-//L@
★特别注意:【?id=】 处不能为 【?id =】
+>3XJlZV 6.表格超连接列传递参数
|iN!V3#S <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
hTgWqp <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
PwP;+R};| :pj00 7.表格点击改变颜色
A&EVzmj-+X if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Cm@e^l! {
DM
{r<?V e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
sf{rs*bgp this.style.color=’buttontext’;this.style.cursor=’default’;");
NA%M)u{| }
H",w$$eF Zzy!D 写在DataGrid的_ItemDataBound里
`-a](0QU if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
2d:<P!B {
B-Bgk e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
]D(!ua5|x` this.style.color=’buttontext’;this.style.cursor=’default’;");
\Tq !(]o^ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
~aKM+KmtPH }
GJ YXCi reo _dOR-< 8.关于日期格式
fik*-$V` GIXxOea1 日期格式设定
1k-YeQNe DataFormatString="{0:yyyy-MM-dd}"
VB
53n' h'*>\eC6 我觉得应该在itembound事件中
ZlaU+Y(_[ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
7ux0|l {OFbU 9.获取错误信息并到指定页面
cp D=9k!*K 0($@9k4!/ 不要使用Response.Redirect,而应该使用Server.Transfer
\@G
7Kk*l X!=E1TL e.g
)P&>Tc?;z // in global.asax
@J J,$? protected void Application_Error(Object sender, EventArgs e) {
hcWYz if (Server.GetLastError() is HttpUnhandledException)
#4hxbRN Server.Transfer("MyErrorPage.aspx");
tA#7Xr+ 5f5bhBZ< //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
VI83 3 }
E=N44[`.G $P<T`3Jg Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
dnRS$$9# 2R}9wDP 10.清空Cookie
-+1_ 1! Cookie.Expires=[DateTime];
7G,{BBB Response.Cookies("UserName").Expires = 0
1Z9_sd~/6 \#1*r'V8 11.自定义异常处理
]/byz_7] //自定义异常处理类
>`\f,yql6 using System;
ahezDDR-.i using System.Diagnostics;
21(8/F ~{ hC1CISm.U namespace MyAppException
zJ-_{GiM*L {
}M3f ?Jv /// <summary>
.MNi)+ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
S"t6 *fWr /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ryhme\%l;f /// </summary>
;%-f>'KhI7 public class AppException:System.ApplicationException
}^T7S2_Qy {
Zp5;=8wa; public AppException()
>lyX";X# {
05$;7xnf( if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
^ ]nnvvp }
#&Xr2?E@ Y&vn`# public AppException(string message)
a4'KiA2r {
SVr3OyzI LogEvent(message);
vTrjhTa\ }
k7o49Y(# =m<; Jx5 public AppException(string message,Exception innerException)
=+I~K'2 {
QU`M5{# LogEvent(message);
NO(^P+s if (innerException != null)
%BdQ.\4DS {
&b!L$@6 LogEvent(innerException.Message);
!m7`E }
].E89 _|O }
jZRf{ FG-v71!h# //日志记录类
q_0So} using System;
<n8K"(sy} using System.Configuration;
w$ zX.;s using System.Diagnostics;
|r5e#3w using System.IO;
kNC.^8ryz[ using System.Text;
{VBn@^'s using System.Threading;
$-HP5Kj(k- F0yvV6; namespace MyEventLog
g43j-[j) {
,tt
.oF|
/// <summary>
5m.{ayE /// 事件日志记录类,提供事件日志记录支持
N^G
$:GC /// <remarks>
pN\YAc*@: /// 定义了4个日志记录方法 (error, warning, info, trace)
hLs<g!*O /// </remarks>
x2q6y /// </summary>
9\yGv public class ApplicationLog
"c0I2wq {
X@ zw;Se /// <summary>
yH\3*#+ /// 将错误信息记录到Win2000/NT事件日志中
B=EI&+F+ /// <param name="message">需要记录的文本信息</param>
|rjHH< /// </summary>
)@vhqVv? public static void WriteError(String message)
jkTh)Bm|' {
P}YtT3.K WriteLog(TraceLevel.Error, message);
l|,
Hj }
NNKI+!vg % oPt],> /// <summary>
{P'_s]B) /// 将警告信息记录到Win2000/NT事件日志中
5y
9(<}z /// <param name="message">需要记录的文本信息</param>
@W4tnM,# /// </summary>
VR8 kY& public static void WriteWarning(String message)
HDmjt+3&n {
{}sF?wZf WriteLog(TraceLevel.Warning, message);
GJu[af }
<7U\@si4 2)iwAu
/// <summary>
\&{a/e2:S /// 将提示信息记录到Win2000/NT事件日志中
M2pe*z /// <param name="message">需要记录的文本信息</param>
>9WJa 5{ /// </summary>
SG5GJCkc public static void WriteInfo(String message)
[`F}<L." {
4AIo,{( WriteLog(TraceLevel.Info, message);
5%qq#;[n }
X.q, /// <summary>
9.:]eL /// 将跟踪信息记录到Win2000/NT事件日志中
&dH[lB /// <param name="message">需要记录的文本信息</param>
Su4&qY /// </summary>
Aof)WKo public static void WriteTrace(String message)
R6(sWN- {
nrhzNW>] WriteLog(TraceLevel.Verbose, message);
|S0w>VH> }
qjcPJ @r.w+E= /// <summary>
&oz^dlw /// 格式化记录到事件日志的文本信息格式
Az+k8=? /// <param name="ex">需要格式化的异常对象</param>
[~aRA'qJ{V /// <param name="catchInfo">异常信息标题字符串.</param>
r<%ua6@ /// <retvalue>
H^VNw1. /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
S7B7'[ru /// </retvalue>
h_( #U)z_3 /// </summary>
/?ZO-]q public static String FormatException(Exception ex, String catchInfo)
B4D#TlB {
K@f@vyw] StringBuilder strBuilder = new StringBuilder();
ifXGH>C if (catchInfo != String.Empty)
L:.z
FW, {
Bf21u9 strBuilder.Append(catchInfo).Append("\r\n");
8Q{"W"]O7 }
; ,vGw<|o strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
;u(#-C2^{l return strBuilder.ToString();
*]7$/%.D }
-ho%9LW%| 6YHQ/#'G~ /// <summary>
3P.v#TEst /// 实际事件日志写入方法
bwC~ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
&H4Y`xV^= /// <param name="messageText">要记录的文本.</param>
s|`Z V^R /// </summary>
yd}1Mx private static void WriteLog(TraceLevel level, String messageText)
?rJe"TOIy {
W0I)< S try
PM?F;mj {
K9HXy*y49 EventLogEntryType LogEntryType;
D<QE?:# switch (level)
<dD)>Y. {
r6b;v2!8 case TraceLevel.Error:
-MK9IO]i LogEntryType = EventLogEntryType.Error;
FxFRrRRH@ break;
up@I,9C/ case TraceLevel.Warning:
j; MQ_?"iN LogEntryType = EventLogEntryType.Warning;
L0Ycf|[s, break;
+W%3VV$ case TraceLevel.Info:
*el~sor;S LogEntryType = EventLogEntryType.Information;
{!L25 break;
oSl@EI case TraceLevel.Verbose:
G<$N*3 LogEntryType = EventLogEntryType.SuccessAudit;
;4'pucq5/ break;
x+;a2yE~ default:
tP.jJC~ LogEntryType = EventLogEntryType.SuccessAudit;
H{BP7!t[V break;
]aMeMhe- }
m-HL7&iG$ m ]h<y EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
6IPQ}/l //写入事件日志
fvi8+3A& eventLog.WriteEntry(messageText, LogEntryType);
4lF(..Ix rqi/nW }
BN~gk~t_ catch {} //忽略任何异常
S8d X8,qg }
d7]~t| } //class ApplicationLog
}0oVIr }
tW
-f_0a. QFNw2:) 12.Panel 横向滚动,纵向自动扩展
X{u\|e{ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Wb%t6N? Pm/Rc 13.回车转换成Tab
_)U.5f< <script language="javascript" for="document" event="onkeydown">
s L=}d[ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
6Bf aB: event.keyCode=9;
mUdj2vB$+' </script>
*DcB?8% 8W2oGL6 onkeydown="if(event.keyCode==13) event.keyCode=9"
/wX5>^ 0,]m.)ws 14.DataGrid超级连接列
f.G"[p DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Js'j}w \0fk^
15.DataGrid行随鼠标变色
#/0d private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
O>3f*Cc {
M-V{( if (e.Item.ItemType!=ListItemType.Header)
O%)Wo?)HM {
["1Iz{ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
};;k5z I% e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
ms{iQ:'9 }
fZgEJsr }
L}\ oFjVju ' 4.T1i, 16.模板列
f
0r?cZ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
AF\gB2^ <ITEMTEMPLATE>
w(oi6kg <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
})yB2Q0 </ITEMTEMPLATE>
gLK _b;: </ASP:TEMPLATECOLUMN>
V0G"Z6 ( u^ `3=%n <ASP:TEMPLATECOLUMN headertext="选中">
+A-z>T( <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
b V&"jjEx <ITEMTEMPLATE>
6qd?&.=r <ASP:CHECKBOX id="chkExport" runat="server" />
'w8p[h
(, </ITEMTEMPLATE>
VC X^D)[- <EDITITEMTEMPLATE>
=$-+~ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
a797'{j#PI </EDITITEMTEMPLATE>
,92wW&2 </ASP:TEMPLATECOLUMN>
]ne yi;pn Z 后台代码
*6aIDFNl protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
(b8ZADI* {
:pdl2#5H^ //改变列的选定,实现全选或全不选。
85_Qb2<'r CheckBox chkExport ;
0fog/c#q( if( CheckAll.Checked)
BMO &(g {
>zo_ }A! foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Z</57w#-7 {
wE3fKG. chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
LUzn7FZk chkExport.Checked = true;
9UCA&n }
%W^Zob }
?k^~qlye else
b8LA|#]i {
4x-K0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
yVe<+Z\7 {
dK41NLGQ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/RI"a^&9A chkExport.Checked = false;
"i,ZG$S#E }
ZkryoIQ%= }
:[&QoEZW }
l?B=5*0 joBS{] 17.数字格式化
E1s~ + vP%}XEF 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
'Pe;Tp>` <%#Container.DataItem("price","{0:¥#,##0.00}")%>
no(or5UJ @~bP| a int i=123456;
LT#EYnG string s=i.ToString("###,###.00");
}=d}q * cHC4Y&&uZ 18.日期格式化
mLfY^&2Pr @=6oB3tQA 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
bT^(D^ X<Ag['r 显示为: 2004-8-11 19:44:28
<+Gf!0i jJD*s/o 我只想要:2004-8-11 】
iu.Jp92 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
!j/54, X0knM}5 应该如何改?
LKBh{X0%( mNOxe 【格式化日期】
k8b5~A, 0ev='v8? 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
av bup j&[u$P*K 【日期的验证表达式】
~KczP1p 3e9UD N2 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
=E62N7_`= ^((\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})))?$
TZhYgV 48Jt1^ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
e>x+Xj1 ^\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]))$
J7HY(7Nx pV O{7I 【大小写转换】
Y+h
?HS HttpUtility.HtmlEncode(string);
f!F5d1N HttpUtility.HtmlDecode(string)
1\J9QZX0 |rI;OvZ\ 19.如何设定全局变量
P#}vi$dZ [#(',~lN7 Global.asax中
ux~=}{tz `Hqgahb{P Application_Start()事件中
Wm4C(y@ ~UHjc0 添加Application[属性名] = xxx;
r>gf&/Pl ]cM8TT 就是你的全局变量
juI)Do2_ 5Z:T9F4 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
N' CWSf.e ' e %>Ip HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
~x^Ra8A {Ve3EYYm 【ASPNETMENU】点击菜单项弹出新窗口
qP-_xpu]R sL,|+>7T^M 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
-EP(/CS! <?xml version="1.0" encoding="GB2312"?>
0\Tp/Ph <MenuData ImagesBaseURL="images/">
bB)$=7\ <MenuGroup>
>7r%k,` <MenuItem Label="内参信息" URL="Infomation.aspx" >
Zs8]A0$ <MenuGroup ID="BBC">
<7! "8e <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
,w
f6gmh8 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
V.ET uS; ......
Et
y?/ Ezev
^O] 最好将你的aspnetmenu升级到1.2版
G#ELQ/Q _St":9'uU 21.读取DataGrid控件TextBox值
kek/C`7 foreach(DataGrid dgi in yourDataGrid.Items)
S$gLL kD1 {
JXHf$k TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
P/xEn_*v tb.Text....
BF 0#G2`h> }
%{rPA3Xoy U "r)C;5 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?
;NQ}c"9 '<QFf 〖思归〗
N 'n0I^Y1A <asp:TemplateColumn HeaderText="数量">
Cm]\5}Py <ItemTemplate>
V`9*_8Dx2 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
fhyoSRLR: onkeyup="javascript:DoCal()"
j7$xHnV4 />
QNXoAx%I _.E{>IFw <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
AxeQv'e </ItemTemplate>
6"NtVfui </asp:TemplateColumn>
X(BX+)YR eeBW~_W <asp:TemplateColumn HeaderText="单价">
gW<4E=fl <ItemTemplate>
RF;[:[*W <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
WX]O1Y onkeyup="javascript:DoCal()"
EdTL]Xk />
u8t|!pMF8 Mp=T;Nz <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
|!/+T^u ^cE {Uv </ItemTemplate>
E;9J7Q
4 </asp:TemplateColumn>
VLVDi>0i JLz32 %-M <asp:TemplateColumn HeaderText="金额">
a:OM I <ItemTemplate>
n^b CrvD <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
\RtFF </ItemTemplate>
V(:wYk?ZR </asp:TemplateColumn><script language="javascript">
22;B: function DoCal()
y^[t3XA6Q {
9_4(}|"N| var e = event.srcElement;
:pNS$g[ var row = e.parentNode.parentNode;
cucmn*o? var txts = row.all.tags("INPUT");
V7`vLs- if (!txts.length || txts.length < 3)
sAPQbTSM return;
RNQq"c\ T1R~^x1 var q = txts[txts.length-3].value;
~]].i~EV( var p = txts[txts.length-2].value;
ti$60Up ;nJ2i?" if (isNaN(q) || isNaN(p))
"shX~zd5 return;
WnOvU<Z
< 'Z:wEt! q = parseInt(q);
KFRf5^ % p = parseFloat(p);
`(gQw~|z cK2;)&U7 txts[txts.length-1].value = (q * p).toFixed(2);
w{u,YM(Q }
f$9|qfW'$ </script>
+>%51#2.Q 8'_MCx( ;(jL`L F }K`KoM j8
`7)^ 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。
UbGnU_} page_load
"5z@A/Z/ page.smartNavigation=true
)v*k\:Hw KeB??1S 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 ?
uMpuS1 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
+IWf~|s {
K:kb&W for(int i=0;i<e.Item.Cells.Count-1;i++)
p_%,JD if(e.Item.ItemType==ListItemType.EditType)
SAj#+_db {
cNFHbMd e.Item.Cells.Attributes.Add("Width", "80px")
jKo9y }
; yE.R[I }
WPrBK{B`o E:k]Z 26.对话框
e igVT4 private static string ScriptBegin = "<script language=\"JavaScript\">";
^*+M9e9Z private static string ScriptEnd = "</script>";
z@o6[g/*Q (C1~>7L public static void ConfirmMessageBox(string PageTarget,string Content)
CE!cZZ {
B/qN1D]U. string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
l'M/et{: Q+wO\TtE ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
$}0!dR2 2y|n!p
T Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
$Ff6nc= ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
T31F8K3x //Response.Write(strScript);
a7uL{*ZR }
jIwN,H1$- ){z#Y#]dP 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
tw=A]
a* k.2GIc:5 1.1 取当前年月日时分秒
9;uH}j8sE currentTime=System.DateTime.Now;
?.uhp k@s<*C 1.2 取当前年
jUl_ToX int 年= DateTime.Now.Year;
7=yjd)Iy9m w^^l, 1.3 取当前月
nd,\<}uP9 int 月= DateTime.Now.Month;
LAM{
,?~ `B&=ya|bl 1.4 取当前日
:8`$BbV int 日= DateTime.Now.Day;
+5I'? _{V 6v]`s 1.5 取当前时
dZ8ldpf8 int 时= DateTime.Now.Hour;
I Z*) (v
KJyk+Y 1.6 取当前分
- US>]. int 分= DateTime.Now.Minute;
H3vnc\d~ lZe-A/E 1.7 取当前秒
9o6[4Q} int 秒= DateTime.Now.Second;
GUD]sXSj W8u&5#$I 1.8 取当前毫秒
w1(5,~OB int 毫秒= DateTime.Now.Millisecond;
`8#xO{B1 S 1^t;{" 28.自定义分页代码:
g.blDOmlc KHx;r@{< 先定义变量 :
O"kb*// public static int pageCount; //总页面数
:is2 &-|x public static int curPageIndex=1; //当前页面
|uz\XK ` ~^ My~f 下一页:
w-$iKtb. if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
(x@J@ GP* {
TuPD5-wB& DataGrid1.CurrentPageIndex += 1;
F|/6;&*?M curPageIndex+=1;
;@Z1y }
W/u(9 R
>SZE" bind(); // DataGrid1数据绑定函数
<n2'm
b{)kup 上一页:
qmGHuQVe if(DataGrid1.CurrentPageIndex >0)
AS:k&t {
f<$*,P DataGrid1.CurrentPageIndex += 1;
( xzruI5P curPageIndex-=1;
oOLA&N-A~ }
5D?{dA:Rq t2.jg?`k bind(); // DataGrid1数据绑定函数
X(17ESQ/Y \6.dGKK 直接页面跳转:
|
2<zYY int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
WBJn1 #*lDKn[vO if(a<DataGrid1.PageCount)
q[W@.[2y) {
uHbbPtk this.DataGrid1.CurrentPageIndex=a;
VPuo!H }
p\#;(pf}s 'rFLG+W bind();
]TUoXU2<x /X0<2&v 29.DataGrid使用:
lx0BKD?n <^Y#q 添加删除确认:
tn _\E/Q private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
-:Fr($^ {
}?Pa(0=U
foreach(DataGridItem di in this.DataGrid1.Items)
|0>rojMq {
P s|[ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
/NR*<,c% {
QhAYCw2 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
oa5L5Zr,A }
[AFGh
L+t3 }
+XX5;;IC }
BILZ XMf Mh3L(z]/E 样式交替:
|HJ`uGN<b ListItemType itemType = e.Item.ItemType;
)k[XO `WxGU if (itemType == ListItemType.Item )
N>sT@ >
) {
Wnp[8IEU e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
X|g5tnsj` e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
qC& xuu| }
4DP<)KX else if( itemType == ListItemType.AlternatingItem)
OI:=>Bk {
0$Zh4Y e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
FEopNDy@y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
NU{eoqaT }
0pB'^Q{ P@n
rcgM. 添加一个编号列:
\k6OP DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
< 0S\P=\ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
'u%_Ab_H iWUxB28 for(int i=0;i<dt.Rows.Count;i++)
2\O!vp>|- {
=*6frC~ dt.Rows["number"]=(i+1).ToString();
tBwPB#:W }
kDE:KV<"c ,m7Z w_. DataGrid1.DataSource=dt;
9!2$?xqym DataGrid1.DataBind();
jE5=e</ zH~g5xgh DataGrid1中添加一个CheckBox,页面中添加一个全选框
c$u#U~~ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
0lcwc"_DZX {
LS#_K- foreach(DataGridItem thisitem in DataGrid1.Items)
#L*MMC" {
[5M! ' ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
VzcW9'"# }
/z)8k4 }
,g|ht%" U}=H1f, 将当前页面中DataGrid1显示的数据全部删除
M3GFKWQI,` foreach(DataGridItem thisitem in DataGrid1.Items)
6OQ\f,h@ {
(f#{<^ gd if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
)^)|b5, {
;D4
bxz0ou string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Kl(u~/=6 Del (strloginid); //删除函数
~aL?{kb+ }
Hb^ovc0 }
mryT%zSlM abEdZ)$ 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)
cj[%.M5iBA H66~!J0;a 在Application_Start中添加以下代码:
?iaO6HD Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
Na.e1A&?j AppSettings["ConnStr"].ToString();
uIJ
zz4 ?4Zo0DiUB 31. 变量.ToString()
pf=CP%L $"=0{H.? 字符型转换 转为字符串
w%6 L" 12345.ToString("n"); //生成 12,345.00
*iPBpEWC 12345.ToString("C"); //生成 ¥12,345.00
d+8|aS<A 12345.ToString("e"); //生成 1.234500e+004
[t5D d 12345.ToString("f4"); //生成 12345.0000
L>57eF)7 12345.ToString("x"); //生成 3039 (16进制)
g^\>hjNX 12345.ToString("p"); //生成 1,234,500.00%
2Myz[)<P_ i.ivHV~- 32、变量.Substring(参数1,参数2);
!#WJ(zSq X%B2xQM5 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
=A"z.KfV 3);Wgh6 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
8{CBWXo$) <SCRIPT language="javascript">
IF? <!--
$')Uie<!8 function gook(pws)
q }9n. {
G)9`Qn frm.submit();
K*j1Fy: }
O0mQHpi: //-->
AAc2u^spx +2s][^-KV </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
z}7U>y6` <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
E `%*lGu_ <tr>
P$`k*
v <td>
&=.7-iC|W <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
+j6^g* <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
s!
sG)AR.J <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
j2%#xZ{33 mi sPJO&QD <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
DJR r <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
)VxC v P?iQ{x}w~ </td>
93Qx+oK] xn7bb[g; </tr>
k,[[
CZ0j FWyfFCK </form>
#~qY%X 9z?B@;lMc 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。
FzFP 0 FOX0 下面是获取用户输入的登陆信息的代码:
~T'$gl string name;
')E4N+h/ name=Request.QueryString["EmailName"];
88atj+N] LO,k'gg< try
DEpn> {
=,W~^<\" int a=name.IndexOf("@",0,name.Length);
NUX2{8gs f_user.Value=name.Substring(0,a);
[\ppK C f_domain.Value=name.Substring(a+1,name.Length-(a+1));
JB!KOzw f_pass.Value=Request.QueryString["Psw"];
_We4% }
6J\A%i N*>&XJ# catch
IeE6?!,) {
5'3H$%dC Script.Alert("错误的邮箱!");
T4"*w Server.Transfer("index.aspx");
ZL- ` 3x }