1. 打开新的窗口并传送参数:
D?<R5zp N0 F|r8xS 传送参数:
] f~mR_E response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
_aLml9f
W k6PHyt`3' 接收参数:
!mLD`62. string a = Request.QueryString("id");
=zXii{t string b = Request.QueryString("id1");
qH-':|h7 H<bK9k)E 2.为按钮添加对话框
q*B(ZG Button1.Attributes.Add("onclick","return confirm(’确认?’)");
h.D*Y3=< button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
.ECT ?Pw( 3.删除表格选定记录
!;ipLC;e} int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
FELTmQUV string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
P-~kxb9aa Lm}J&^> 4.删除表格记录警告
eFiUB private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
&@anv.D {
G,6Zy-Y9 switch(e.Item.ItemType)
O.g!k"nas& {
-F+dmI,1$ case ListItemType.Item :
Jf|6 FQo& case ListItemType.AlternatingItem :
eX9Hwq4X44 case ListItemType.EditItem:
eaGd:( TableCell myTableCell;
5$C]$o} myTableCell = e.Item.Cells[14];
M7 Z9(3Va LinkButton myDeleteButton ;
Q-,,Kn myDeleteButton = (LinkButton)myTableCell.Controls[0];
aur4Ky> : myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
V=LJ_T"z0 break;
si|DxDx default:
wqyrs|P break;
Q+]9Glz9 }
y@?t[A#v :-Al}7 }
j/<z[qr f.cQp&&]r 5.点击表格行链接另一页
a6&+>\o private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
E0Neo _7 {
!Hp H //点击表格打开
WFBVAD if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]@D#<[5\ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
%Z#s9QC }
|#6))Dh $<N!2[I L 双击表格连接到另一页
_jr'A -M ^Td_B03) 在itemDataBind事件中
a~nErB if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?U;KwS]% {
; OpN&q+ string OrderItemID =e.item.cells[1].Text;
CS<,qvLpL ...
}F~4+4B^ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
mm,be. }
It
.` ;[~:Y[N 双击表格打开新一页
YLEa;MR if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
a7Fc"s* {
6]*~!al? string OrderItemID =e.item.cells[1].Text;
|VPJaiC~ ...
+g6t)Gl e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
n)'5h }
rL=_z^.P Bh\>2]~@a ★特别注意:【?id=】 处不能为 【?id =】
;HPQhN_ 6.表格超连接列传递参数
:jc
?T <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
+9[/> JM <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
z:_o3W.E U=a'(fX 7.表格点击改变颜色
#r ;;d( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
j$z<wR7j0 {
'.mHx#?7 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
0;bi*2U this.style.color=’buttontext’;this.style.cursor=’default’;");
Ym WVb }
Y,%d_yR[ -!kfwJg8N( 写在DataGrid的_ItemDataBound里
U(jZf{`Mz if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
! 9U {
;F;"Uw e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
.%'$3=/oe this.style.color=’buttontext’;this.style.cursor=’default’;");
1Y-m=~J7 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
pRAdo=" }
C25r3bj { eU_ Qmk}smvH 8.关于日期格式
cxNb!G ba-J-G@YW 日期格式设定
P})Iwk|Z DataFormatString="{0:yyyy-MM-dd}"
8<VO>WA>E 7K|:
7e( 我觉得应该在itembound事件中
F {g^4 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
tL;!!vg#V LXm5f; 9.获取错误信息并到指定页面
EMV<PshW= w!=Fi 不要使用Response.Redirect,而应该使用Server.Transfer
u6,NQ^4 I,:R~^qJ8v e.g
@DYxDap{ // in global.asax
EPZ^I) protected void Application_Error(Object sender, EventArgs e) {
P9\!JH! if (Server.GetLastError() is HttpUnhandledException)
.Kn)sD1 Server.Transfer("MyErrorPage.aspx");
`a!:-.:v !p4y@U{ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
]ZB^Hi_ }
(|F } B ZDI%?.U 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
soH
M5<U 0(Hhb#WDh\ 10.清空Cookie
_7O;ED+ Cookie.Expires=[DateTime];
#ZPU.NNT? Response.Cookies("UserName").Expires = 0
pnvHh0ck_ )<kId4E 11.自定义异常处理
kbxy^4"X //自定义异常处理类
@LzqQ[ using System;
Zy>iaG9} using System.Diagnostics;
i09w(k? Gg\805L@ namespace MyAppException
wQ4IQ! {
#s!q(Rc /// <summary>
q Z,7q /// 从系统异常类ApplicationException继承的应用程序异常处理类。
\1AtBc& /// 自动将异常内容记录到Windows NT/2000的应用程序日志
epWO}@
b a /// </summary>
/lC&'h T public class AppException:System.ApplicationException
$E_9AaX {
}[[ public AppException()
TH`zp]0 {
_ 2WG6y; if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
z g@,s"`> }
Ls<.&3X2 nY#V~^| public AppException(string message)
wO&edZ]zb^ {
wClX3l>y LogEvent(message);
M%3 \]& }
hr+,-j x}`]9XQ public AppException(string message,Exception innerException)
oPX `/X# {
^st.bzg+[ LogEvent(message);
3N'f Hy if (innerException != null)
2f%G`4/p {
j A 9! LogEvent(innerException.Message);
)]=1W
}
98%M`WY }
<h$Nh0 6(Qr!< //日志记录类
tj:Q]]\M using System;
5,>Of~YN using System.Configuration;
N34.Bt using System.Diagnostics;
rc*iL using System.IO;
1|?8g2Vf using System.Text;
n9;z= using System.Threading;
v{N4*P.0T Y1?"Ut namespace MyEventLog
/-#1ys#F= {
=aWj+ggd@ /// <summary>
GJUorj& /// 事件日志记录类,提供事件日志记录支持
,s%1#cbR /// <remarks>
e~#"#? /// 定义了4个日志记录方法 (error, warning, info, trace)
pT90TcI2 /// </remarks>
xm)s%"6n /// </summary>
kHO2&"6 public class ApplicationLog
+@'{ {
g1je': /// <summary>
t8"*jt /// 将错误信息记录到Win2000/NT事件日志中
COE,pb17 /// <param name="message">需要记录的文本信息</param>
+s*OZ6i [ /// </summary>
%TY;}V59 b public static void WriteError(String message)
WcCJ;z:S?k {
!n=?H1@ WriteLog(TraceLevel.Error, message);
NhI&wl }
5}4f[ W>ziA /// <summary>
"Ih>>|r /// 将警告信息记录到Win2000/NT事件日志中
V)$y /// <param name="message">需要记录的文本信息</param>
NZJ:@J=- /// </summary>
^J?ExMu public static void WriteWarning(String message)
hmA$gR_ {
+<G |Ru- WriteLog(TraceLevel.Warning, message);
p19[qy~. }
@>wD`<U| %:v59:i} /// <summary>
@R5jUPUVV /// 将提示信息记录到Win2000/NT事件日志中
kWF/SsE /// <param name="message">需要记录的文本信息</param>
kQ,#NR/q6 /// </summary>
}!5x1F! public static void WriteInfo(String message)
'IorjR@40 {
FS3MR9 WriteLog(TraceLevel.Info, message);
x[mxp/
/P }
I9! eL4e /// <summary>
K3jPTAw=# /// 将跟踪信息记录到Win2000/NT事件日志中
o -< 5< /// <param name="message">需要记录的文本信息</param>
02Ftn&bi /// </summary>
m=^`u:= public static void WriteTrace(String message)
y:U'3G- {
WIytgM WriteLog(TraceLevel.Verbose, message);
@}#" o }
Q*S|SH-cZ0 w/8`]q /// <summary>
CDDx %#eG> /// 格式化记录到事件日志的文本信息格式
7x/S4Gs'4 /// <param name="ex">需要格式化的异常对象</param>
Yy 4EM /// <param name="catchInfo">异常信息标题字符串.</param>
DCJmk6p%0 /// <retvalue>
~?V+^<P /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
?_\t7f /// </retvalue>
^2gDhoO_ /// </summary>
+`EF0sux public static String FormatException(Exception ex, String catchInfo)
KGMX >t' {
`y&d StringBuilder strBuilder = new StringBuilder();
? m$uqi if (catchInfo != String.Empty)
|-WoR u {
[DW}z strBuilder.Append(catchInfo).Append("\r\n");
3)F9:Tzw1 }
}Pm>mQZ}, strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
-S7PnR6 return strBuilder.ToString();
]!u12^A{ }
QHt;c jlmP1b9 /// <summary>
HT]v S}s /// 实际事件日志写入方法
L53qQej< /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
%X)i-^T /// <param name="messageText">要记录的文本.</param>
~s}0z&v^te /// </summary>
2v!ucd} private static void WriteLog(TraceLevel level, String messageText)
*WSH-*0 {
4=j,:q try
'Zq$W]i {
j3Ng] @N EventLogEntryType LogEntryType;
u
N%RB$G switch (level)
_eB?G {
f@ &?K< case TraceLevel.Error:
64Ot`=A" LogEntryType = EventLogEntryType.Error;
lpW|GFG break;
h)%}O.ueB case TraceLevel.Warning:
vepZod}D LogEntryType = EventLogEntryType.Warning;
.g CC$ break;
;5wmQFr case TraceLevel.Info:
`w_?9^7mH LogEntryType = EventLogEntryType.Information;
&cjE+ break;
=)56]ki} case TraceLevel.Verbose:
U'pm5Mc\q LogEntryType = EventLogEntryType.SuccessAudit;
Zk#^H*jgx break;
tEz6B} default:
P;&rh U^[ LogEntryType = EventLogEntryType.SuccessAudit;
J 4$^Hr break;
|!r.p_Zt }
=1dU~B:Lm Nhh2P4gH EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
5:jbd:o //写入事件日志
P);:t~ eventLog.WriteEntry(messageText, LogEntryType);
e=11EmN9 ];bl;BP }
dg%Orvuz catch {} //忽略任何异常
us&!%` }
6E9y[ %+ } //class ApplicationLog
)P6n,\ }
>".,=u' ]J^9iDTTA 12.Panel 横向滚动,纵向自动扩展
.s4hFB^n <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
fV-vy]x.. Jjb(l W 13.回车转换成Tab
V\ud4 <script language="javascript" for="document" event="onkeydown">
O[p;IG` if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Evz;eobW/ event.keyCode=9;
x+V;UD=mH </script>
a:C'N4K _":yUa0D onkeydown="if(event.keyCode==13) event.keyCode=9"
'qTMY* )PC(1Zn 14.DataGrid超级连接列
b8V]/ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
,`7;S,f `aFy2x`3 15.DataGrid行随鼠标变色
<1(:W[M private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
4(aDi;x "w {
7m;2M]BRi if (e.Item.ItemType!=ListItemType.Header)
;T0Y=yC {
c#qOK e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
|aiP7C e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
dzYB0vut@ }
O*3x'I*a }
=*q|568 lVywc:X 16.模板列
RjO9E.nm <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
I0 y+,~\ <ITEMTEMPLATE>
ICNS+KsI <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
@=[/bG </ITEMTEMPLATE>
Gt&x< </ASP:TEMPLATECOLUMN>
o.tCw\M$g 0B(<I?a/ <ASP:TEMPLATECOLUMN headertext="选中">
xF)AuGdp\ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
mU1lEx$ <ITEMTEMPLATE>
1sFTXl <ASP:CHECKBOX id="chkExport" runat="server" />
Z, Kbt </ITEMTEMPLATE>
Az.k6)~ <EDITITEMTEMPLATE>
<!.'"*2 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
-b>"2B? </EDITITEMTEMPLATE>
k^q}F%UV </ASP:TEMPLATECOLUMN>
bl|k6{A cH>rS\|Y 后台代码
:uZfdu protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
fH.:#O: {
_m!TUT8o //改变列的选定,实现全选或全不选。
|irqv< r CheckBox chkExport ;
sIuk if( CheckAll.Checked)
TlExw0i! {
p*10u@, foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
qC9$xIWq {
^/K\a
, chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Xtqjx@ye chkExport.Checked = true;
T ,,
Ao36 }
*uR&d;vg.8 }
kJ6=T6s else
!UE'
AB {
D_GIj$%N[ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
gWp\?La {
hWK}] gF chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
cq'opjLf 5 chkExport.Checked = false;
0N3 cC4! }
vjG:
1|*e }
Hz$l)g}U }
\14"B gj1 !Gu,X'#Ab 17.数字格式化
u49zc9 tE0DST/ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
&x{CC@g/ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
nu,#y"WQ qO=_i d int i=123456;
#5GIO string s=i.ToString("###,###.00");
(: IUg
YmM+x=G: 18.日期格式化
VOBzB] u7>b}+ak& 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
C Ih@H6| D'aq^T' 显示为: 2004-8-11 19:44:28
QRj><TKi ReOp,A/y 我只想要:2004-8-11 】
G#/}_P <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
-SaH_Nuj =whZ?,u1 应该如何改?
0uzm@'^ 4C^;lK 【格式化日期】
P"0S94o:5J O=}4?Xv 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
'~i}2e. C=ni5R 【日期的验证表达式】
ua1ov7w$] mLU4R Q}5 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
@cPb*
^((\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})))?$
f3e#.jan U0'> (FP~2 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
U@+
@Mc ^\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]))$
o{yEF1,c\ k"|4
LPv[ 【大小写转换】
5T;M,w6DV HttpUtility.HtmlEncode(string);
;cl\$TDL HttpUtility.HtmlDecode(string)
Uw^`_\si 2g1[E_? 19.如何设定全局变量
/5Wy)- a'w~7y!} Global.asax中
R6HMi#eF
R6~x! Application_Start()事件中
I%^Ks$<" ^"\ jIP 添加Application[属性名] = xxx;
vz:P2TkM zVe@`gc 就是你的全局变量
W
HO;;j }l&Uh&B` 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Vh^fbv`? J&}/Xw) HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
)n 1b Ddde,WJA 【ASPNETMENU】点击菜单项弹出新窗口
~H/|J^ J yiGq?WA7 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
naCPSsei <?xml version="1.0" encoding="GB2312"?>
^,')1r, <MenuData ImagesBaseURL="images/">
24"Trg\WK[ <MenuGroup>
O[f* ! <MenuItem Label="内参信息" URL="Infomation.aspx" >
Ed ,`1+ <MenuGroup ID="BBC">
zu&5[XL <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
(Da/$S. <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
$8o(_8Q) ......
\|nF55W [ 1"3|6&= 最好将你的aspnetmenu升级到1.2版
a'f"Zdh%w . $uvQpyh 21.读取DataGrid控件TextBox值
o^;$-O!/ foreach(DataGrid dgi in yourDataGrid.Items)
;T~]|#T\6 {
^Bn)a"Gd TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
$.kP7!`:, tb.Text....
K^`3Bg }
j?%^N\9 '/U[ ui0{ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
~n%~ Z|mMF xaSvjc\ 〖思归〗
<y=VDb/ <asp:TemplateColumn HeaderText="数量">
`,d*> <ItemTemplate>
X=_pQ+j`^ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
wEENN_w onkeyup="javascript:DoCal()"
gO%#'Eb2 />
A,i.1U"w8 "Wr5:T-; <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
c4ptY5R), </ItemTemplate>
$A"kHS7T </asp:TemplateColumn>
KJ<7aZ duB{1 <asp:TemplateColumn HeaderText="单价">
BJ!b LQ <ItemTemplate>
zF6R\w <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
%`%oupqm+ onkeyup="javascript:DoCal()"
;hGC.}X />
R;&C6S By {zX,6' <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
A<l8CWv[ jZeY^T)f" </ItemTemplate>
tGnBx)J| </asp:TemplateColumn>
#pu6^NTK bqp6cg\p <asp:TemplateColumn HeaderText="金额">
XJy~uks, <ItemTemplate>
zb.^ _A <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
;EbGW&T </ItemTemplate>
3Yf&F([t </asp:TemplateColumn><script language="javascript">
w2!G"oD function DoCal()
occ^bq {
T%~w~stW var e = event.srcElement;
J$ var row = e.parentNode.parentNode;
0 3fCn" var txts = row.all.tags("INPUT");
JP`$A if (!txts.length || txts.length < 3)
&C<K|F!j! return;
cHOtMPyQ MTo<COp($ var q = txts[txts.length-3].value;
nmZz`P9g var p = txts[txts.length-2].value;
RY'f%c _@9[c9bO if (isNaN(q) || isNaN(p))
kcKcIn{ return;
\"Z^{Y[,; ifj%!* q = parseInt(q);
0"7%*n."2 p = parseFloat(p);
I|69|^ x8k7y: txts[txts.length-1].value = (q * p).toFixed(2);
's> }
&5puGnTZ </script>
[P.M>"c\ j#QJ5(# P8!ON= Ix@rn /5Aum?~ 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。
eygmh aE page_load
+\g/KbV7 page.smartNavigation=true
X{4jyi-< T<(1)N1H` 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 ?
#\s*>Z private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
.[&0FHnJ5 {
ap=m5h27 for(int i=0;i<e.Item.Cells.Count-1;i++)
~_opU(;f if(e.Item.ItemType==ListItemType.EditType)
aX`"V/ {
+v.uP [H e.Item.Cells.Attributes.Add("Width", "80px")
[8|Y2Z\N }
~!UC:&UKo }
Yt&Isi
+ hhd%j6 26.对话框
' i5 VU4?K private static string ScriptBegin = "<script language=\"JavaScript\">";
`)V1GR2
ES private static string ScriptEnd = "</script>";
-n&g**\w e$]` public static void ConfirmMessageBox(string PageTarget,string Content)
K"u-nroHW {
HT&CbEa4' string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
_:@~bHd yUV0{A-q{0 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
F5UvD[i ]v^/c~"${ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
fy+fJ )4sj ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
mdjPKrF< //Response.Write(strScript);
&*2\1;1tB }
biAI*t AsFn%8_I 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
kFKc9}7W Mo?eVtZ 1.1 取当前年月日时分秒
s~e<Pr?yu currentTime=System.DateTime.Now;
4=/5 hRAI7xk 1.2 取当前年
7P1G^) int 年= DateTime.Now.Year;
a&:1W83 ;pe1tp 1.3 取当前月
H$'|hUwds% int 月= DateTime.Now.Month;
U\aP <Sds5 d 1.4 取当前日
,fWQSc\} int 日= DateTime.Now.Day;
;W%nBdE6| <0lXJqd 1.5 取当前时
aAM!;3j]B` int 时= DateTime.Now.Hour;
F6>K FU8 :5)Dn87 1.6 取当前分
vHR-mQUs int 分= DateTime.Now.Minute;
CTawXHM Q{%2Npvq 1.7 取当前秒
dRwOt int 秒= DateTime.Now.Second;
@z
$,KUH (w4w 1.8 取当前毫秒
y8} fj= int 毫秒= DateTime.Now.Millisecond;
WgHl.
:R S1jI8 #z}_ 28.自定义分页代码:
m(0sG(A~ 4I7B
#{ 先定义变量 :
\s_lB~"P!3 public static int pageCount; //总页面数
rJLn=|uR public static int curPageIndex=1; //当前页面
3V=(P.A Tm J|*Z*m 下一页:
-s~6FrKy if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
y?=W {
$ti*I;)h4 DataGrid1.CurrentPageIndex += 1;
'{]1!yMh curPageIndex+=1;
E/bIq}R6 }
-CV_yySc hxG=g6:G bind(); // DataGrid1数据绑定函数
EQQ/E!N8l b"D? @dGB, 上一页:
^RL#(O if(DataGrid1.CurrentPageIndex >0)
nc<wDE6 {
5x$/.U
DataGrid1.CurrentPageIndex += 1;
`O~NT'Ed8 curPageIndex-=1;
LDg"s0n# }
.'`7JU#{ R Lnsy, bind(); // DataGrid1数据绑定函数
<//82j+px eKRslMa 直接页面跳转:
mL5 Nu+# int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
j
/d?c5 (PVK|Q55y if(a<DataGrid1.PageCount)
vjo@aY.x {
Q6>7{\8l this.DataGrid1.CurrentPageIndex=a;
)1CYs4lp }
)"( ojh 8aDSRfv* bind();
hz:^3F`>/& $'Pn(eZHGv 29.DataGrid使用:
q%H`/~AYM kg,t[Jl 添加删除确认:
>L5fc". private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
z+@CzHCN {
yH`4sd foreach(DataGridItem di in this.DataGrid1.Items)
!-G'8a|7 {
bx!uHL= if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
4Vv~ {
u_kcuN\Sq
((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
K)-Gv|*t }
OGl>i }
M't~/&D# }
|X}H&wBWo j[E8C$lW 样式交替:
[cJQ"G ' ListItemType itemType = e.Item.ItemType;
%62W[Oh5 $O\I9CGr$ if (itemType == ListItemType.Item )
>Xz=E0;^Ua {
? PIq/[tk e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
hMcSB8 ? e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
g(X-]/C{ }
0wFa7PyG? else if( itemType == ListItemType.AlternatingItem)
L&D+0p^lI {
P<.
TiF?@ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
T/[8w e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
xXa* d }
$x5,Oe n b*;zdGX.A9 添加一个编号列:
N3M:|D DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
N+)gYb6h DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
]YQ!i@Y f+}Rj0A for(int i=0;i<dt.Rows.Count;i++)
;HKb {
4blw9x N dt.Rows["number"]=(i+1).ToString();
It5U=PU }
$ 12mS /KL;%:7 DataGrid1.DataSource=dt;
KBUClx? DataGrid1.DataBind();
C(=$0FIR h;q=<[h\ DataGrid1中添加一个CheckBox,页面中添加一个全选框
m=saUhI*9 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
{"^LUw8fd {
q+j.)e foreach(DataGridItem thisitem in DataGrid1.Items)
g]fds Zv {
B #[URZ9S ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
~ RdD6V }
'7'*+sgi$ }
Mx-? & ,H_b@$]n8 将当前页面中DataGrid1显示的数据全部删除
7m4gGkX#r foreach(DataGridItem thisitem in DataGrid1.Items)
4yZ'+\ +I {
s!lLdR[g if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
%NyV2W=~X {
3CKd[=-Z string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
@Feusprs Del (strloginid); //删除函数
I "8:IF }
b 8vyJb,K }
-d j9(~?^ ]q,5'[=~4h 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
Lc&LF* nZ4JI+Q)~ 在Application_Start中添加以下代码:
WFGcR9mN? Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
">8]Oi;g AppSettings["ConnStr"].ToString();
/J0YF
i8h(b2odQ 31. 变量.ToString()
r>>4)<C7J j{U#g8 字符型转换 转为字符串
;~A-32;Y4 12345.ToString("n"); //生成 12,345.00
sIM^e 12345.ToString("C"); //生成 ¥12,345.00
S!LLC{ 12345.ToString("e"); //生成 1.234500e+004
U{ZE|b.?b 12345.ToString("f4"); //生成 12345.0000
r8R]0\ 12345.ToString("x"); //生成 3039 (16进制)
YmBo/I M 12345.ToString("p"); //生成 1,234,500.00%
]+U:8* )A@
}mIs" 32、变量.Substring(参数1,参数2);
8+7n"6GY2/ tQrF A2F 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
.C6wsmQ @Cnn8Y&' 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
{OH
@z!+d <SCRIPT language="javascript">
!Q/%N# <!--
pBZf=!+E function gook(pws)
2qA"emUM {
+t9$*i9`L frm.submit();
B%]yLJ }
z<3{.e\e //-->
?Aq
\Gr ].TAZ-4s </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Mu1H*;_8 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
#hKaH - j <tr>
B-R& v8F <td>
"k;j@ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
)}Vb+ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Bql5=p <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
_v[yY3=3 ~o<+tL <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
B}:/2?gQ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
$!'S7;*uW `4xnM`:L" </td>
'aN`z3T bu2@~ </tr>
UY ^dFbJ I[x+7Y0k9 </form>
%2S+G?$M? }L!%^siG_ 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。
vp[;rDsIJ$ (O[:-Aqm 下面是获取用户输入的登陆信息的代码:
`rwzCwA1 string name;
N!W# N$ name=Request.QueryString["EmailName"];
5xS
ze; eU*0;# try
WR;) {
Gz_[|,i int a=name.IndexOf("@",0,name.Length);
V(?PKb-w) f_user.Value=name.Substring(0,a);
?Z1&ju,Hd- f_domain.Value=name.Substring(a+1,name.Length-(a+1));
,mHQ f_pass.Value=Request.QueryString["Psw"];
j;BMuLTm1 }
#NvL@bH 3PBGIo catch
rfz\DvVd {
Tc3~~ X Script.Alert("错误的邮箱!");
nEG+TRZ)\ Server.Transfer("index.aspx");
0\y{/P?I$ }