1. 打开新的窗口并传送参数:
$xW9)) I*U7YqDC9 传送参数:
?W ^`Fa)]o response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
gAvNm[=wD2 H$?MPA-c 接收参数:
)Mq4p'*A[ string a = Request.QueryString("id");
vB7]L9=@" string b = Request.QueryString("id1");
S9:ij1 y46sL~HRv 2.为按钮添加对话框
"?aE3$/ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
W{JR%Sq$ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
w,6gnO ^&F.T-( A 3.删除表格选定记录
g[b;1$ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
pPs TgGai string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
a)Ht(*/B }c9RDpjh~ 4.删除表格记录警告
*@lVesC2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
rr1,Ijh{D {
/3L4K switch(e.Item.ItemType)
$!'Vn)Z7 {
1(aib^!B case ListItemType.Item :
aQWg?,Ju6 case ListItemType.AlternatingItem :
5#_GuL% case ListItemType.EditItem:
V?MaI.gj TableCell myTableCell;
h/aG."U myTableCell = e.Item.Cells[14];
G^P9_Sw]d3 LinkButton myDeleteButton ;
:gkn`z myDeleteButton = (LinkButton)myTableCell.Controls[0];
rIv#YqT myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
F9_X^#%L break;
z5^Se!`5 default:
a#Z#-y! break;
\ 511?ik }
k fOd|- vKbGG }
:d<F7`k
H Ov:U3P?% 5.点击表格行链接另一页
7'{%djL private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3gCP?%R {
-oju-gf K //点击表格打开
#B$_ily) if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
X=Y>9 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
]nS9taEA }
O St~P^1 #R=6$ 双击表格连接到另一页
jfR!M07| (=53WbOh/t 在itemDataBind事件中
cpq0'x\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]x_14$rk {
oe_,q&e string OrderItemID =e.item.cells[1].Text;
NUY sQO) ...
I7#+B1t e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
A{hST~s }
}N3Ur~X\ _rUsb4r 双击表格打开新一页
\$8p8MP<&D if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
"X1{* {
/h!iLun7I string OrderItemID =e.item.cells[1].Text;
v Dph}Z ...
bsWDjV~ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
n
QOLR?% }
M)nf(jw#G IrP6Rxh ★特别注意:【?id=】 处不能为 【?id =】
44h z, 6.表格超连接列传递参数
40LAG <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
rYA4(rYq <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
xe1xP@e? m,]h7 xx 7.表格点击改变颜色
J{#C<C if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
W-"FRTI4 {
`ucr;P e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
`{@?O%UB this.style.color=’buttontext’;this.style.cursor=’default’;");
TSd;L
u%hr }
!B*d,_9c :B_ itl0{e 写在DataGrid的_ItemDataBound里
'l'[U if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(Bfy
{
1'J|yq e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
X@7e7 this.style.color=’buttontext’;this.style.cursor=’default’;");
@ GzN0yXhR e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
/I'
np }
*j|BSd
P 8:UV; 5@ <7~+ehu 8.关于日期格式
2fJ2o[v SJI+$L\' 日期格式设定
P^bcc DataFormatString="{0:yyyy-MM-dd}"
b"#|0d0 [hXU$Y>"0 我觉得应该在itembound事件中
|FD-q.AV e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
0 Pa\:^/6 RiAY>: 9.获取错误信息并到指定页面
sJ/?R: YR/rN, 不要使用Response.Redirect,而应该使用Server.Transfer
DadlCEZv ZTSNM)f e.g
-Z%B9ql' // in global.asax
E2{SKIUm protected void Application_Error(Object sender, EventArgs e) {
s@bo df& if (Server.GetLastError() is HttpUnhandledException)
X5D}<J2" Server.Transfer("MyErrorPage.aspx");
H`ZUI8- fNaS?tV) //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
,a,coeL }
fqU*y 6] i(XqoR-x Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
7L&=z$U@m G8oOFBQD 10.清空Cookie
l<RztzUw Cookie.Expires=[DateTime];
(f|3(u'e? Response.Cookies("UserName").Expires = 0
pVm'XP +3D3[.n 11.自定义异常处理
s4c2 //自定义异常处理类
7w{>bYP using System;
PYz^9Ud 6g using System.Diagnostics;
ra k@oW] kC)ye"r namespace MyAppException
VDq?,4Kb {
W.u}Q@ /// <summary>
vL7JzSU_ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
eu|cQ^> /// 自动将异常内容记录到Windows NT/2000的应用程序日志
gaw/3@ /// </summary>
}@:vq8%Q public class AppException:System.ApplicationException
_(s|@UT# {
!'^gqaF+ public AppException()
>*%mJX/F {
E5G=Kh[NP if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
\a8<DR\@O }
1Lb+
& \?e{/hXnl public AppException(string message)
@9^ozgg {
A/EW57v" LogEvent(message);
a:tCdnK/ }
{?' DZR s Jtxwt[ public AppException(string message,Exception innerException)
Yvu!Q {
G-]ndrTn LogEvent(message);
Em8C +EM if (innerException != null)
SablF2doa {
BV X6 LogEvent(innerException.Message);
UmSy p\i }
K$dSg1t
}
g9`z]qGWS: 4~3 N;]X //日志记录类
pAo5c4y!4 using System;
c} GH|i using System.Configuration;
W"_")V=QBz using System.Diagnostics;
V3NQij( using System.IO;
#,1Kum
bG3 using System.Text;
$ Aw"?&d" using System.Threading;
2WRa@;Tj r_f?H@ v namespace MyEventLog
3U0>Y%m| , {
3%G>TB /// <summary>
0m^(|=N- /// 事件日志记录类,提供事件日志记录支持
) )q4Rh /// <remarks>
MV<2x7S /// 定义了4个日志记录方法 (error, warning, info, trace)
1>1&NQ#} /// </remarks>
Ap{p_~~iJ /// </summary>
a'zf8id public class ApplicationLog
=Vv"\p8 {
Quy&CV{@ /// <summary>
|Fk>NX /// 将错误信息记录到Win2000/NT事件日志中
w]hs1vch /// <param name="message">需要记录的文本信息</param>
Ccld;c&+ /// </summary>
)B86 public static void WriteError(String message)
-lL(:drn {
8[Ssrk WriteLog(TraceLevel.Error, message);
B\,pbOE?# }
9@LL_r`?< 0yhC_mI /// <summary>
"/e:V-W
/// 将警告信息记录到Win2000/NT事件日志中
z
%Ty; /// <param name="message">需要记录的文本信息</param>
*E0dCY$ /// </summary>
/*)zQ?N public static void WriteWarning(String message)
~.?,*q7 {
<
`r+ZyM WriteLog(TraceLevel.Warning, message);
=ILE/pC-| }
*"\QR>n ]uN}n;`12 /// <summary>
r%*,pN7O /// 将提示信息记录到Win2000/NT事件日志中
uz6S7I /// <param name="message">需要记录的文本信息</param>
Tji G!W8 /// </summary>
qU(,q/l public static void WriteInfo(String message)
3 xSt -MA {
-\OvOkr WriteLog(TraceLevel.Info, message);
J3OxM--8" }
rz%8Vigb /// <summary>
ToWiXH)4 /// 将跟踪信息记录到Win2000/NT事件日志中
@kCFc} /// <param name="message">需要记录的文本信息</param>
5hN`}Ve /// </summary>
RjC3wO:: public static void WriteTrace(String message)
'O%itCy) {
&DQyJJ`k WriteLog(TraceLevel.Verbose, message);
.v?x>iV }
v803@9@ WZ\bm$
/// <summary>
R_IUuz$e /// 格式化记录到事件日志的文本信息格式
,@mr})s /// <param name="ex">需要格式化的异常对象</param>
?RyeZKf /// <param name="catchInfo">异常信息标题字符串.</param>
&M p??{g /// <retvalue>
=P}ob eY /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
|sP;`h}I% /// </retvalue>
\$.8iTr@ /// </summary>
V2As 5 public static String FormatException(Exception ex, String catchInfo)
fhGI {
TPjElBh StringBuilder strBuilder = new StringBuilder();
By&T59 if (catchInfo != String.Empty)
'MLp*3djF, {
Y.XNA]| strBuilder.Append(catchInfo).Append("\r\n");
n7g}u }
Hd*e9;z strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
}HB>Zb5 return strBuilder.ToString();
BG>fLp }
-MEp0 1:!_AU? /// <summary>
6#[ /// 实际事件日志写入方法
]S@zhQ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
RLy(Wz3% /// <param name="messageText">要记录的文本.</param>
-|0nZ /// </summary>
BbU%p private static void WriteLog(TraceLevel level, String messageText)
aQjs5RbP~ {
05o)Q &` try
muh[wo {
" Y%fk/v8 EventLogEntryType LogEntryType;
8DAHaS; switch (level)
uX82q.u_y {
%.k~L
case TraceLevel.Error:
Z3C]n,I LogEntryType = EventLogEntryType.Error;
,z4)A&F[c; break;
}
Xbmb8 case TraceLevel.Warning:
f4%Z~3P LogEntryType = EventLogEntryType.Warning;
!3O8B0K)v break;
cs+;ijp case TraceLevel.Info:
+2:\oy}!8 LogEntryType = EventLogEntryType.Information;
?3[Gh9g` break;
#mT\B[4h case TraceLevel.Verbose:
!wbO:py[8> LogEntryType = EventLogEntryType.SuccessAudit;
1SAO6Wh break;
bVLBqa= default:
5 [GdFd>{ LogEntryType = EventLogEntryType.SuccessAudit;
n["G
ry break;
&`@S_YLr }
{lam],#r {ef9ov Xk EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
KgD sqwy //写入事件日志
0tz7^:|D eventLog.WriteEntry(messageText, LogEntryType);
^(+ X|t GZefeBi }
qLjLfJJ2 catch {} //忽略任何异常
k|hy_? * }
PHAM(iC&D } //class ApplicationLog
Dj9v9 }
D02'P{ YCPU84f 12.Panel 横向滚动,纵向自动扩展
nYsB^Nr6 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
6o:b(v&Oo $?Km3N\?v 13.回车转换成Tab
fA$2jbGW <script language="javascript" for="document" event="onkeydown">
ahh&h1q7| if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
3<XP/c"; event.keyCode=9;
a!@(bb
z> </script>
XWq`MwC9 t6q7w onkeydown="if(event.keyCode==13) event.keyCode=9"
5'<J@3B ;W 3#q: 14.DataGrid超级连接列
/wi*OZ7R DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
UuKW`(?^ QBYY1)6S, 15.DataGrid行随鼠标变色
1La?x'{2MP private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
xcQD]" {
*Uw" `l if (e.Item.ItemType!=ListItemType.Header)
gB<1;_KW {
m2a[E0 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
ZGw6Bd_I e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
%!\iII }
+@^FUt=tq }
:
uxJGx (.J6>"K< 16.模板列
M!`&Z9N <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
7VIfRN{5n <ITEMTEMPLATE>
&q7}HO/ @ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Mdw"^x$7 </ITEMTEMPLATE>
~hxW3e </ASP:TEMPLATECOLUMN>
YB+My~fw{l x%yzhIRR <ASP:TEMPLATECOLUMN headertext="选中">
^:^ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Vl^p3f[ <ITEMTEMPLATE>
3^Q;On| <ASP:CHECKBOX id="chkExport" runat="server" />
{_G_YL[ </ITEMTEMPLATE>
5(>ux@[qI: <EDITITEMTEMPLATE>
F! [Gj%~I
<ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
8kf5u#,' </EDITITEMTEMPLATE>
V8O-|7H$v </ASP:TEMPLATECOLUMN>
*snY|hF z8dBfA<z 后台代码
tXCgRU protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
HGao} @' {
v t_lM //改变列的选定,实现全选或全不选。
{,=U]^A CheckBox chkExport ;
2Rqpok4 if( CheckAll.Checked)
Ofc
u4pi {
/pC60y}O0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
:-Wh'H( {
HPY;UN chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[Mk:Zz% chkExport.Checked = true;
vkLKzsN' ] }
ok1w4#%, }
I.gF38Mx else
|fB/ hs \ {
3V]08 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
q:1n=iEi {
'};mBW4z chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
s$kvLy< chkExport.Checked = false;
$3S`A]xO }
*qJHoP; }
L0R$T=~%) }
o?d`o$ k]9y+WC2 17.数字格式化
Xb~i?T;f _n0NE0 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
dbg%n 0h <%#Container.DataItem("price","{0:¥#,##0.00}")%>
vW0U~(XlN 3fUiYI|&7 int i=123456;
$T_>WUiK string s=i.ToString("###,###.00");
f.c2AY~5[ dtBr#Te 18.日期格式化
jFl!<ooCo Z-L }"~ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
~wu\j][2 g77 :92 显示为: 2004-8-11 19:44:28
ltv~Kh f jMmlp 我只想要:2004-8-11 】
{Q)sR*d <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
dpT?*qLM lSy_cItF 应该如何改?
|9[)-C~N7 y"iK)SH 【格式化日期】
:|-^et]a8 i&-g 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
F5+!Gb En BnG{)\s 【日期的验证表达式】
paUJq?Af A~;.9{6J[t A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
As??_=>4 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
aqgm Hn]6re B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
)h,}v()qc# ^\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]))$
of'H]IZ 1i#U& 【大小写转换】
} :T}N] HttpUtility.HtmlEncode(string);
5*O]`Q7 HttpUtility.HtmlDecode(string)
WV;[v g] ~7H?tp.Dw 19.如何设定全局变量
b~?3HY:t~K n>YgL}YZ? Global.asax中
'<h@h*R UdFYG^i Application_Start()事件中
,]4.|A_[Rq 5IP@_GV| 添加Application[属性名] = xxx;
-];Hb'M.!e f.RwV+lq 就是你的全局变量
^mZTki4 (Li)@Cn% 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
bQwiJ`B& G 'CYvV HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
C7!=LiK} u]<`y6=&C 【ASPNETMENU】点击菜单项弹出新窗口
t`0(5v ; zfBe%Uf 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
J|b:Zo9<f" <?xml version="1.0" encoding="GB2312"?>
d-"[-+)- <MenuData ImagesBaseURL="images/">
Ot3+<{ <MenuGroup>
e(k$k>? <MenuItem Label="内参信息" URL="Infomation.aspx" >
j*jq2u <MenuGroup ID="BBC">
1F?ylZ|~ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
0>0:ls <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
<$`udP@ ......
=_d-MJy~6 nb|"dK| 最好将你的aspnetmenu升级到1.2版
_ 3>|1RB +,}CuF 21.读取DataGrid控件TextBox值
G$
Ii foreach(DataGrid dgi in yourDataGrid.Items)
#e;\Eap {
XJf1LGT5 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
%suXp,j tb.Text....
3WF6bJN }
E%>){Y) +yu^Z*_ 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?
HUY1nb= evHKq}{ 〖思归〗
"G!V?~; <asp:TemplateColumn HeaderText="数量">
%GDs/9 <ItemTemplate>
mH09*
Z <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
rDWqJ<8 onkeyup="javascript:DoCal()"
|CjE}5Op> />
^k}jPc6 a0x/ ?)DO <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
j*;/Cah]k </ItemTemplate>
b."1p7' </asp:TemplateColumn>
o*WI*Fb' KwuNHK)- <asp:TemplateColumn HeaderText="单价">
sp$W=Wu7 <ItemTemplate>
)|@UY(VZ^ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
5%6r,?/7KM onkeyup="javascript:DoCal()"
dq
~=P> />
ssC5YtF7X Sud5F4S <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
y|@=j~}Zq D2}nJFR
] </ItemTemplate>
oXkxd3 </asp:TemplateColumn>
A">A@`} ,M&[c| <asp:TemplateColumn HeaderText="金额">
i
bwnK?ZA <ItemTemplate>
u)fmXoQ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
]%5DuE\M8\ </ItemTemplate>
H A(e </asp:TemplateColumn><script language="javascript">
YEx76 function DoCal()
pB;p\9A*q {
T9+ ?A
l var e = event.srcElement;
glppb$oB\ var row = e.parentNode.parentNode;
nP >*0Fq var txts = row.all.tags("INPUT");
bh1WD_ if (!txts.length || txts.length < 3)
N5=;
PZub return;
lS(?x|dO x1kb]0s<- var q = txts[txts.length-3].value;
\}e1\MiZ var p = txts[txts.length-2].value;
&@xixbg QpPJ99B| if (isNaN(q) || isNaN(p))
~a5p_x P return;
ZAPT5 ]64mSB q = parseInt(q);
)[>b7K$f p = parseFloat(p);
h+x"?^ YGObTIGJvf txts[txts.length-1].value = (q * p).toFixed(2);
( {H5k'' }
8eSIY17 </script>
& ;+u.X N}>XBZy 'Z+~G 4cql?W (D MX?K3=j @> 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
s45Y8!c page_load
)dJaF#6j page.smartNavigation=true
;jTP|q?|{ N(@'L43$V 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 ?
9(Vq@.;Z`j private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
V$+xJ m {
OCF\*Sx for(int i=0;i<e.Item.Cells.Count-1;i++)
elZ?>5P$} if(e.Item.ItemType==ListItemType.EditType)
:xfD>K {
;PJWd|3 e.Item.Cells.Attributes.Add("Width", "80px")
Pt?]JJxl- }
iZQwo3"8r }
IEdC
_6G d(w
$! $"h 26.对话框
A?3hNvfx private static string ScriptBegin = "<script language=\"JavaScript\">";
X|H%jdta private static string ScriptEnd = "</script>";
9/RbfV[) glh2CRUj public static void ConfirmMessageBox(string PageTarget,string Content)
Roy0?6O {
k`r}Gb string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
b1jh2pG(V LKG],1n- ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
&3>ki0L abUn{X+f~ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
7ju7QyR ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
*~fZ9EkD //Response.Write(strScript);
~-Rr[O=E }
%L{ H_;z N<:5 r 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
,-t3gc1~X q,2]]K7y 1.1 取当前年月日时分秒
[bJ/$A currentTime=System.DateTime.Now;
x$AF0xFO +M
(\R?@gr 1.2 取当前年
;'dw`)~jQ int 年= DateTime.Now.Year;
6!/e_a ji`N1e,l 1.3 取当前月
Q$W0>bUP int 月= DateTime.Now.Month;
U}6'_ PRQ FgNO# % 1.4 取当前日
xzy7I6X int 日= DateTime.Now.Day;
._=Pa)T NyJU?^f&v 1.5 取当前时
O qY8\>f- int 时= DateTime.Now.Hour;
${KDGJ,^ >f19P+ 1.6 取当前分
pQ*9)C int 分= DateTime.Now.Minute;
6t
TLyI$+ w]UYD;f 1.7 取当前秒
CY0|.x int 秒= DateTime.Now.Second;
J+[&:]=P LCRreIIgZ 1.8 取当前毫秒
5P
-IZ8~$ int 毫秒= DateTime.Now.Millisecond;
vX)JJ|g X7{ueP#L 28.自定义分页代码:
,`G8U/ 2JYyvJ> 先定义变量 :
cG,B;kMjo public static int pageCount; //总页面数
8Cs)_bj#! public static int curPageIndex=1; //当前页面
bec n$R y;yXOE_ 下一页:
nu}$wLM if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
wZh&w<l' {
r{$ip"f DataGrid1.CurrentPageIndex += 1;
F5wCl2I curPageIndex+=1;
J8J~$DU\Gv }
R(kr@hM #!OCEiT_ bind(); // DataGrid1数据绑定函数
5iz]3]}% )(9>r/bq 上一页:
5.]+K<:h"A if(DataGrid1.CurrentPageIndex >0)
S WVeUL#5 {
[95(%&k.Q DataGrid1.CurrentPageIndex += 1;
,_r"=>?@ curPageIndex-=1;
(8qMF{ }
Nlx7"_R"Q UQaLhKv: bind(); // DataGrid1数据绑定函数
'LpJ:Th sk\U[#ohH 直接页面跳转:
G6w&C^J*8> int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
ZvpcjP ?!U=S=8 if(a<DataGrid1.PageCount)
U,LW(wueT {
hq6fDRO/4 this.DataGrid1.CurrentPageIndex=a;
8s/gjEwA }
[!]a'
T#x Y|_#yb bind();
B&Q\J>l9S "yCCei,hA? 29.DataGrid使用:
^I~2t|} h8Q+fHDYv 添加删除确认:
J_C<Erx[O private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
53J!iNnXT6 {
h$)(-_c3 foreach(DataGridItem di in this.DataGrid1.Items)
yQ}$G
,x {
l_hM,]T0 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
U s86.@| {
n .ZLR=P4 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
]|it&4l }
rmu5K$pl }
VLC<ju! }
<k<K"{ =dx!R ,Bw 样式交替:
?:vp3f# ListItemType itemType = e.Item.ItemType;
&PaqqU. z6ISJb if (itemType == ListItemType.Item )
k__i Jsk {
mE'y$5ZxY e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
%@#+Xpa+ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
X,n4_=f }
PElC0qCn[ else if( itemType == ListItemType.AlternatingItem)
26PUO$&b. {
gKeqf-UWKJ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
rl4B(NZi} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
3XF.$=@ }
fft FNHP zI$^yk-vn 添加一个编号列:
zs
e<b/G1G DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
0B fqEAl DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
h6<abT@I $3<,"&;Ecs for(int i=0;i<dt.Rows.Count;i++)
6zh<PETa03 {
lffp\v{w dt.Rows["number"]=(i+1).ToString();
Hy^Em }
;*1bTdB5a C~4_Vc* DataGrid1.DataSource=dt;
:Rv?>I j DataGrid1.DataBind();
0T7(c- !Ob DataGrid1中添加一个CheckBox,页面中添加一个全选框
%a=K:" oU[ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
>}Qj|05G {
hTcy;zLLS foreach(DataGridItem thisitem in DataGrid1.Items)
=+5z;3 {
A]ZCQ49 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
QA>(}u\+ }
!>fYD8Ft, }
<k?ofE1o b~fX=!M 将当前页面中DataGrid1显示的数据全部删除
]x1MB|a6 foreach(DataGridItem thisitem in DataGrid1.Items)
W,"|([t4.\ {
9zSHn.y if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
28FC@&'H {
cKuU#&FaV string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
kR$>G2$! Del (strloginid); //删除函数
Wt5x*p-!C }
0zm)MSg }
R)i y6NOHPp@ 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
o#3?")>| &7z79#1NS 在Application_Start中添加以下代码:
(Cjnf
a 2 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
kms&o=^ AppSettings["ConnStr"].ToString();
sq TBlP Ay)q %:qx 31. 变量.ToString()
:K.%^ag=j R}Pw#*B 字符型转换 转为字符串
[M>Md-pj 12345.ToString("n"); //生成 12,345.00
:*bv(~FW 12345.ToString("C"); //生成 ¥12,345.00
%x@
D i`; 12345.ToString("e"); //生成 1.234500e+004
>dKK [E/[d 12345.ToString("f4"); //生成 12345.0000
[
[]'U' 12345.ToString("x"); //生成 3039 (16进制)
Ft%HWGE 12345.ToString("p"); //生成 1,234,500.00%
vzV,}
S*c n][/c_]q 32、变量.Substring(参数1,参数2);
3ThBy' 06DT2 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
}
8ZCWmd _Gs*4: 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
@(>XSTh9 <SCRIPT language="javascript">
Gt#Jr!N~ <!--
#vrxhMo function gook(pws)
qu]ch&"?U {
b`"E(S / frm.submit();
Ci%u =%( }
?#8',: //-->
kk]f*[Zi5 ZeewGa^r </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
A4LGF <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Z$qFjWp <tr>
3t<XbHF9 <td>
U'^AJ2L8 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
[MSLVTR <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
9$,x^Qx <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
$r`K4g h(}$-' g <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
hsV+?#I <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
)aoB-Lu \zj _6Os </td>
s_]p6M $=dp) </tr>
V]b1cDx{ 5.gM]si </form>
y,qP$5xiq A
?"(5da. 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。
_&S?uz m ;>^oe:@ 下面是获取用户输入的登陆信息的代码:
iku8T*&uc string name;
_XT]," name=Request.QueryString["EmailName"];
~wnTl[: RjS;Ck@; try
)"?6Es SF {
qz7:jq3N-{ int a=name.IndexOf("@",0,name.Length);
JFaxxW f_user.Value=name.Substring(0,a);
[NcS[*qp f_domain.Value=name.Substring(a+1,name.Length-(a+1));
gfE<XrG f_pass.Value=Request.QueryString["Psw"];
(]7*Kq }
3wXmX >Gbj1>C} catch
n^|;J*rD {
lB!`,>"c Script.Alert("错误的邮箱!");
eUQ., mP Server.Transfer("index.aspx");
!:e|M|T'I* }