1. 打开新的窗口并传送参数:
Sn nfU VYG@_fd!x 传送参数:
<6UXk[y response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
PUR,r%K` 63l3WvoK 接收参数:
|
0 string a = Request.QueryString("id");
}UPC~kC+Z string b = Request.QueryString("id1");
t^01@ejM+ q T6y& 2.为按钮添加对话框
"OLg2O^ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
?+zFa2J button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
v>8.TE~2 {4g'; 3.删除表格选定记录
0qS/>u* int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Wga2).j6 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Qs1CK;+zU p:08q
B|uQ 4.删除表格记录警告
<K CI@ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
.W{CJh {
QAkK5,`vV. switch(e.Item.ItemType)
5wue2/gl {
78l);/E{v case ListItemType.Item :
$1.-m{Bd case ListItemType.AlternatingItem :
]0UYxv%] case ListItemType.EditItem:
$@PruY3[ TableCell myTableCell;
;\K]~ myTableCell = e.Item.Cells[14];
TiD#t+g LinkButton myDeleteButton ;
WARiw[
myDeleteButton = (LinkButton)myTableCell.Controls[0];
mG[jR*JW myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
tVG;A&\,6 break;
i-|N6J default:
?UsCSJ1V break;
z~t0l }
=@U5/J ,U""m7 }
'I,a 29 +La2-I 5.点击表格行链接另一页
,`f]mv l private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
in>+D|q
c {
v0C+DKi //点击表格打开
|]G%b[ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
aM~IRLmK e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
cKTjQJ# }
Ta\F~$M J _rrc;F 双击表格连接到另一页
}ny7LQ }H
~-oYMu 在itemDataBind事件中
j|KDgI<0 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-,yp?< {
\ ca<L string OrderItemID =e.item.cells[1].Text;
q/@2=$]hH3 ...
/9br &s$B e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
r^m&<)Ca }
r D@*xMW 8:0/Cj 双击表格打开新一页
gvI!Ice# if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
l`"?KD {
"qgwuWbM string OrderItemID =e.item.cells[1].Text;
jL-2
}XrA ...
,7d/KJ^7 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
F^GNOD3J }
$b`nV4p c^I^jg2v ★特别注意:【?id=】 处不能为 【?id =】
,#2~< 6.表格超连接列传递参数
3)WfBvG <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
G2|jS@L# <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
S%- kN; ps'_Y<@ 7.表格点击改变颜色
LG8h@HY&L if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
}U8v
~wcd {
,lH
}Ba02F e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
wN.S] this.style.color=’buttontext’;this.style.cursor=’default’;");
~u&gU1} }
J8)l ,J" P2vG)u 写在DataGrid的_ItemDataBound里
7<su8*? if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
#G#gc`S-, {
=\lw.59 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
@ujwN([I this.style.color=’buttontext’;this.style.cursor=’default’;");
Nvd(?+c e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
o8X_uKEI }
ht>%O7 Q/g!h}>(. @_kF&~ 8.关于日期格式
x3i}IC uXc;!* 日期格式设定
*47/BLys< DataFormatString="{0:yyyy-MM-dd}"
V8/4:Va7s Rq|6d
M6H 我觉得应该在itembound事件中
a <C?- g| e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
JOuyEPy IL|Q-e}Ol 9.获取错误信息并到指定页面
Lf((
zk:pt 3RaW\cWzg 不要使用Response.Redirect,而应该使用Server.Transfer
ulxlh8= U;W9`JT<.f e.g
lU doMm // in global.asax
WkXgz6 P protected void Application_Error(Object sender, EventArgs e) {
_tHhS@ if (Server.GetLastError() is HttpUnhandledException)
B>nj{W<o Server.Transfer("MyErrorPage.aspx");
X$5 (
unmf,y //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
<\O+
}
-)(5^OQ X&WP.n) Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
c:m=9>3 f- (i% 10.清空Cookie
\2kLj2! Cookie.Expires=[DateTime];
&%rM| Response.Cookies("UserName").Expires = 0
l Xa/5QKC l_}d Q&R 11.自定义异常处理
|RL#BKC` //自定义异常处理类
`h@fW- r using System;
\96\!7$@O using System.Diagnostics;
Zp)=l Td $w*L'
< namespace MyAppException
4|K\pCw {
O&<p
8 /// <summary>
]L~NYe9 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
{_N9<i{T /// 自动将异常内容记录到Windows NT/2000的应用程序日志
>OaD7 /// </summary>
6C2~0b public class AppException:System.ApplicationException
j Mn,N9Mf {
yMWh#[phH public AppException()
}`gOfj)?i {
Imv#7{ndq if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
@$jV"Y }
cTGd< %g@?.YxjT public AppException(string message)
F6}RPk\=i {
t~(jA9n LogEvent(message);
./ {79 }
Kn:Ml4[; U5kKT.M public AppException(string message,Exception innerException)
['o ueOg {
94-BcN LogEvent(message);
l
L;5*@
if (innerException != null)
Nbr$G=U {
4fsd5# LogEvent(innerException.Message);
o,WjM[e }
9" q-Bb }
,40OCd! ],SQD3~9 //日志记录类
3tZIL using System;
CFh9@Nx using System.Configuration;
_e@8E6#ce using System.Diagnostics;
#VrIU8Q7' using System.IO;
I6
?(@, using System.Text;
B,\VLX using System.Threading;
t}eyfflZ %]Z4b;W[Y namespace MyEventLog
K ~mUO {
aG]>{(~cL /// <summary>
?C[?dg{n /// 事件日志记录类,提供事件日志记录支持
E4 eXfu /// <remarks>
14 & KE3` /// 定义了4个日志记录方法 (error, warning, info, trace)
MoFM'a9 /// </remarks>
(|BY<Ac3 /// </summary>
v\,N"X(, public class ApplicationLog
E<\$3G-do {
h&i*=&<HP6 /// <summary>
yIL=jzm`7 /// 将错误信息记录到Win2000/NT事件日志中
cuN ]}=D /// <param name="message">需要记录的文本信息</param>
\I!mzo /// </summary>
JVuju$k public static void WriteError(String message)
nmU1xv_ {
XX/gS=NE#. WriteLog(TraceLevel.Error, message);
\Sd8PGl*' }
;Xt<\^e %[$HX'Y /// <summary>
7,SQz6] /// 将警告信息记录到Win2000/NT事件日志中
Kd-1EU /// <param name="message">需要记录的文本信息</param>
) bFl- /// </summary>
yus3GqPI public static void WriteWarning(String message)
N;
}$!sNIm {
ZwDL WriteLog(TraceLevel.Warning, message);
X6cn8ak3 }
X8*g#lO? p{L;)WTI /// <summary>
&q>8D' /// 将提示信息记录到Win2000/NT事件日志中
2Xl+}M.:Y /// <param name="message">需要记录的文本信息</param>
j+h+Y|4J /// </summary>
`xzKRId0 public static void WriteInfo(String message)
B4b'0p {
|H
t5a. WriteLog(TraceLevel.Info, message);
n>}Y@{<]/ }
`r}_92Tt /// <summary>
fc+-/!v /// 将跟踪信息记录到Win2000/NT事件日志中
itzUq,T /// <param name="message">需要记录的文本信息</param>
FC1rwXL( /// </summary>
}i!+d,|f public static void WriteTrace(String message)
.rK0C) {
OV]xo8a; WriteLog(TraceLevel.Verbose, message);
<gwRE{6U }
Q|)>9m!tt M>i(p% /// <summary>
tQ9%rb /// 格式化记录到事件日志的文本信息格式
ipn-HUrE@ /// <param name="ex">需要格式化的异常对象</param>
DDr\Kv)k( /// <param name="catchInfo">异常信息标题字符串.</param>
VwI /// <retvalue>
#p(c{L! /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
t,9+G<)>H /// </retvalue>
2V@5:tf /// </summary>
Y_Gd_+oJ public static String FormatException(Exception ex, String catchInfo)
=v<w29P(g {
WkuCnT StringBuilder strBuilder = new StringBuilder();
jOV6% if (catchInfo != String.Empty)
sa8O<Ab {
{}$rN@OM$ strBuilder.Append(catchInfo).Append("\r\n");
"\@J0|ppb }
A1p~K*[[ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
%f'pAc|# return strBuilder.ToString();
f![] :L }
\>5sW8P]H` ;$iT]S /// <summary>
ytY\&m /// 实际事件日志写入方法
#1%@R<` /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
X]y8-}Qf /// <param name="messageText">要记录的文本.</param>
5}G_2<G /// </summary>
STnM Bz7 private static void WriteLog(TraceLevel level, String messageText)
aE'nW_f {
6>)fNCe` try
+DRt2a# {
o:#jvi84F EventLogEntryType LogEntryType;
eF%M2:&c; switch (level)
9W=(D|,, {
&^$@LH3 case TraceLevel.Error:
PaSwfjOnqr LogEntryType = EventLogEntryType.Error;
k)3N0]q6 break;
:\~>7VFg case TraceLevel.Warning:
Doc zQc-U+ LogEntryType = EventLogEntryType.Warning;
:z8/iD y break;
zh2<!MH case TraceLevel.Info:
'f{13-#X@ LogEntryType = EventLogEntryType.Information;
q(qm3OxYo break;
c= t4 gf case TraceLevel.Verbose:
C?|sQcCE LogEntryType = EventLogEntryType.SuccessAudit;
}p?,J8=- break;
Kk},
PU= default:
ahXcQ9jzFi LogEntryType = EventLogEntryType.SuccessAudit;
"9xJ},:- break;
?>+uO0*S }
]izHn; + )r.Wge EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
m^oG9&"; //写入事件日志
Ze%S<xT!O eventLog.WriteEntry(messageText, LogEntryType);
K ar! F qJ`d2E }
V30w`\1A catch {} //忽略任何异常
D N!V".m`J }
uM$b/3%s } //class ApplicationLog
Gs~eRcIB }
dlo`](5m i]<@ 12.Panel 横向滚动,纵向自动扩展
GgEg (AT <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
z/91v#}. yr+QV:oVA 13.回车转换成Tab
zmQQ/7K <script language="javascript" for="document" event="onkeydown">
(.$$U3\ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
5{yg event.keyCode=9;
}$<v </script>
Z><+4
' `pfgx^qG onkeydown="if(event.keyCode==13) event.keyCode=9"
x9F* $G n}Z%-w$K# 14.DataGrid超级连接列
P\dfxR;8% DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
BW;@Gq@N pbG-uH^ 15.DataGrid行随鼠标变色
N|mggz private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
eY`z\I {
gA=Pz[i)p if (e.Item.ItemType!=ListItemType.Header)
$zOV*O2 {
}*J04o$oI e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
dUB;ZB7 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
=eY }
}'vQUGu8z }
p*W{*wZ_^ /mJb$5=1 16.模板列
r2f%E:-0G <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
JVg}XwR <ITEMTEMPLATE>
8cfsl lI <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
n=b!c@f4 </ITEMTEMPLATE>
$~q{MX&J </ASP:TEMPLATECOLUMN>
V #vkj /QS Nv <ASP:TEMPLATECOLUMN headertext="选中">
<,O|fY% <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
yUcU-pQ <ITEMTEMPLATE>
bo/U5p <ASP:CHECKBOX id="chkExport" runat="server" />
R}(Rv3>Xx </ITEMTEMPLATE>
uLv <EDITITEMTEMPLATE>
,r3`u2) <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
EQoK\.;
G~ </EDITITEMTEMPLATE>
I[A<e]uK </ASP:TEMPLATECOLUMN>
nEUH; z >Ch2Ep 后台代码
PM@_ZJ'x protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
lrPIXIM {
|9i[*] //改变列的选定,实现全选或全不选。
9k93:#{WE CheckBox chkExport ;
Lwtp,.)pR if( CheckAll.Checked)
I5j|\ /Ht {
R{H8@JLD foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
~rrl"a> {
]hlQU%& chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
xTG5VBv chkExport.Checked = true;
S9*68l }
KD\%B5Jy }
D|Tz{DRG else
Bs3&yEq( {
*pO`sC> foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
bfb9A+]3' {
zBca$Vp chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
\*5z0A9)5) chkExport.Checked = false;
S^1ZsD. }
Z!q$d/1 }
.,VLQbtg }
`E;xI v| uYO$gRem 17.数字格式化
-m,Y6 I<W<;A 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
k N* I_# <%#Container.DataItem("price","{0:¥#,##0.00}")%>
?w'03lr% P7X3>5<;q int i=123456;
Z9MU%*N string s=i.ToString("###,###.00");
Le-t<6i-V# 'o=DGm2H 18.日期格式化
',+Zqog92 ~mHrgxQ- 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
#3>jgluM'
^0{t 显示为: 2004-8-11 19:44:28
Kl ?C[ WOgkv(5KN 我只想要:2004-8-11 】
A]%*ye"NT <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
PXl%"O%d Q4Wz5n1yp7 应该如何改?
sWTa;Qi VeEa17g& 【格式化日期】
)C\/ ( )`<&~>qp 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
@G>eCj -oZw+ge} 【日期的验证表达式】
T#e|{ZCbq am'K$s A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
W3('1 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
]T40VGJ:h u!HbS*jqq B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Ke[`zui@? ^\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]))$
h0x'QiCc Jz0AYiCq 【大小写转换】
_/ 5 HttpUtility.HtmlEncode(string);
vEE\{1 HttpUtility.HtmlDecode(string)
Vv`94aQTD Y#P!<Q>} 19.如何设定全局变量
3*?W2;Zw$ ~USyN'5lU7 Global.asax中
0e:j=kd)NH 6h)
&h1Yd Application_Start()事件中
CCC9I8rZD qm9=Ga5 添加Application[属性名] = xxx;
0XC3O 8q &\ad.O/Q 就是你的全局变量
'"hSX= 5)rN#_BKj 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
p?
w^|V ]R^xO;g' HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
iTT7<x
qx0F*EH| 【ASPNETMENU】点击菜单项弹出新窗口
]W`M
<hEI >%N,F`^3 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
=RM]/O9 <?xml version="1.0" encoding="GB2312"?>
9B>P Qbs <MenuData ImagesBaseURL="images/">
E
KJ2P$ <MenuGroup>
cUw$F{|W <MenuItem Label="内参信息" URL="Infomation.aspx" >
@bAuR <MenuGroup ID="BBC">
p&2d&;Qo0 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
SY}"4=M?l <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
3<1x>e2nT ......
pz{ ]O_px *k?y+}E_f 最好将你的aspnetmenu升级到1.2版
x lsAct: v4X ` Ul* 21.读取DataGrid控件TextBox值
SoFl]^l foreach(DataGrid dgi in yourDataGrid.Items)
!@arPN$ {
`O%O[ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
B<G,{k tb.Text....
T}"[f/:N/ }
}P\6}cK 3".#nN 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?
.rX,*|1x ,sg\K>H= 〖思归〗
[4yw? U <asp:TemplateColumn HeaderText="数量">
P*ZMbAf. <ItemTemplate>
\IqCC h <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
mM{cH= onkeyup="javascript:DoCal()"
Jt}#,I,B />
~g@}A M[u6+` <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
00r7trZW^ </ItemTemplate>
=<K6gC27 </asp:TemplateColumn>
Bf[`o<c &2ty++gC <asp:TemplateColumn HeaderText="单价">
;R@D <ItemTemplate>
{lppv(U <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
U+["b-c onkeyup="javascript:DoCal()"
m !i`|]m />
6 =G=4{q j0{Qy;wP ) <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
>V\^oh)t]t |GP&!] </ItemTemplate>
5e?<x>e </asp:TemplateColumn>
tCwB7c- 7y.iXe!P <asp:TemplateColumn HeaderText="金额">
ao|n<*} <ItemTemplate>
e3[Q6d&| <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
{/,AMJ<:G] </ItemTemplate>
_~F
0i? </asp:TemplateColumn><script language="javascript">
=)w#?DGpj function DoCal()
wAL}c(EHO {
#veV {,g var e = event.srcElement;
&zP>pQr`# var row = e.parentNode.parentNode;
W|s";EAM var txts = row.all.tags("INPUT");
M7&G9SGZ if (!txts.length || txts.length < 3)
P>`|.@ return;
nC!L<OMr EP+LK?{% var q = txts[txts.length-3].value;
Z
B!~@Vf var p = txts[txts.length-2].value;
U9
mK^ 0f'LXn if (isNaN(q) || isNaN(p))
O,NVhU7, return;
6mgLeeY mGkQx
-| q = parseInt(q);
?|\wJrM ] p = parseFloat(p);
B`jq"[w]- 1i)3!fH0:
txts[txts.length-1].value = (q * p).toFixed(2);
Jz P0D' }
Cbm^:
_LR </script>
aEVy20wd {.y_{yWo C46jVl #~.RJ% Tb8r+~HK 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。
deTD|R page_load
dT (i*E\j page.smartNavigation=true
#5{BxX&\ MpIiHKQ
G9 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 ?
P|C5k5 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
1083p9Uh {
~CdW:t for(int i=0;i<e.Item.Cells.Count-1;i++)
d9%P[(yM^ if(e.Item.ItemType==ListItemType.EditType)
j9vK~_?; {
[8 H:5Ho e.Item.Cells.Attributes.Add("Width", "80px")
ZNL+w4 }
6GqC]rd*: }
/{W6]6^ TNK1E 26.对话框
3=*ur( Qy private static string ScriptBegin = "<script language=\"JavaScript\">";
N0JdU4' private static string ScriptEnd = "</script>";
eg1F[~YL/ ,(f W0d# public static void ConfirmMessageBox(string PageTarget,string Content)
-8<vW e {
@~UQU)-( string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
;P/ 4.|< GS}JyU ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
)+w1nw|m 1i'y0]f Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
1uB$@a\ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
k,f/9e+# //Response.Write(strScript);
nr,Z0 }
ErQ6a%~, UP%6s:>: 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
"^;h' .0~uM!3y 1.1 取当前年月日时分秒
)}t't" currentTime=System.DateTime.Now;
L'
bY,D(J>
;Me*#/ 1.2 取当前年
;K%/sIIke int 年= DateTime.Now.Year;
Q;A\M {t!7r_hj 1.3 取当前月
%/5Wj_|p int 月= DateTime.Now.Month;
_mwt{D2r} Vo6g /h?` 1.4 取当前日
n\f]?B( int 日= DateTime.Now.Day;
9\/oL{ \k{[HfVvn 1.5 取当前时
%O<8H7e)V int 时= DateTime.Now.Hour;
PL3hrI 5 Kpa$1x 1.6 取当前分
D!.1R!(Z int 分= DateTime.Now.Minute;
w*;"@2y;eY `u PLyS. 1.7 取当前秒
6]kBG?m0 int 秒= DateTime.Now.Second;
Kr `/sWZ ecR)8^1 ' 1.8 取当前毫秒
]^>:)q int 毫秒= DateTime.Now.Millisecond;
= J_-fs#[x 28.自定义分页代码:
E-FR
w a7453s 先定义变量 :
`(=Kp=b public static int pageCount; //总页面数
7mMMVz2 public static int curPageIndex=1; //当前页面
CjP<'0gT r@bh,U$ 下一页:
T#*H if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
22U`1AD3U {
S6a\KtVa DataGrid1.CurrentPageIndex += 1;
(Cfb8\~ curPageIndex+=1;
QCE7VV1Rw }
0Oc?:R'$ $(]nl%<Q bind(); // DataGrid1数据绑定函数
X{OWDy !2Z"Lm 上一页:
i1-%#YYF( if(DataGrid1.CurrentPageIndex >0)
/]MelW {
%Ta"H3ZW DataGrid1.CurrentPageIndex += 1;
x\f~Gtt7Y curPageIndex-=1;
Gn_DIFa }
(V]3w 7v)p\#- bind(); // DataGrid1数据绑定函数
kc't X0$q! 直接页面跳转:
v+W'0ymbnV int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
N' R^gL OE9,D:tv if(a<DataGrid1.PageCount)
}2Euz.0 {
\=bKuP(it this.DataGrid1.CurrentPageIndex=a;
lw.[qP }
;l
ZKgi8` Fb=uN bind();
|?8nO.C~V DL1nD5 29.DataGrid使用:
!4'F z[RK v^8sL` F 添加删除确认:
UeLO `Ug0; private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
QuPz'Ut# {
/lu|FWbEw foreach(DataGridItem di in this.DataGrid1.Items)
%Uz\P|6PO {
b/]4#?g if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
jy?*` q1] {
'wG1un;t ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
FiUwy/,ZV }
!*NDsC9 }
/UK]lP^w]! }
C&MqH.K dS4z Oz" 样式交替:
)H{1Xjh- ListItemType itemType = e.Item.ItemType;
tHZ"o!(S Zr2!}jD9a if (itemType == ListItemType.Item )
( I#6!Yt9J {
k_7b0dr%F e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
40h$-
VYT/ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
10*Tk 8 }
XGH:'^o_ else if( itemType == ListItemType.AlternatingItem)
AJxN9[Z!N {
}9fch9>Zr e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
)&d=2M;3 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
H>%AK'' }
$["HC-n?.k j2UQQFh 添加一个编号列:
e&d$kUJrq DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
\GxqE8 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
#]tDxZ]
6 Hy&Z0W'l for(int i=0;i<dt.Rows.Count;i++)
@:GqOTN {
A#T"4'#?< dt.Rows["number"]=(i+1).ToString();
PENB5+1OK }
C|TQf8 t~/:St DataGrid1.DataSource=dt;
cOX )+53 DataGrid1.DataBind();
wTU$jd1;+ w|s2f`! DataGrid1中添加一个CheckBox,页面中添加一个全选框
n-cI~Ax+4 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
`hkvxt {
YYYF a foreach(DataGridItem thisitem in DataGrid1.Items)
\2 N;VE {
%bN{FKNN ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
LkS tU) }
eTvjo(Lvx }
ZZI}
Ot{ +u0of^}= 将当前页面中DataGrid1显示的数据全部删除
r+E!V'{C foreach(DataGridItem thisitem in DataGrid1.Items)
B=& [Z2 {
@tm2Y%Y! if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
7cGOJA5& {
Qr$
7 U6p string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
1bCE~,tD Del (strloginid); //删除函数
!6=;dX }
&|GH@^)@ }
M=pQx$%a p7;K] AW 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
@gK`RmhGE5 @M4c/k} 在Application_Start中添加以下代码:
Xpg-rxX Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
w+
!c9 AppSettings["ConnStr"].ToString();
1Ys=KA-!_x yV:8>9wE8 31. 变量.ToString()
92<+ug = = +MF@ 4 字符型转换 转为字符串
-^CW}IM{ I 12345.ToString("n"); //生成 12,345.00
w!6{{m 12345.ToString("C"); //生成 ¥12,345.00
E0+L?(; 12345.ToString("e"); //生成 1.234500e+004
QjY}$ 12345.ToString("f4"); //生成 12345.0000
7CH&n4v 12345.ToString("x"); //生成 3039 (16进制)
KJec/qca 12345.ToString("p"); //生成 1,234,500.00%
cLf90|YFp L{%L*z9J 32、变量.Substring(参数1,参数2);
$`3yImv+w Z%3CmKdeF 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
0<!9D):Bb q&-mbWBj 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
P ljPhAce <SCRIPT language="javascript">
HZRFE[ 9nb <!--
L?N&kzA function gook(pws)
aj;x:UqpJ {
oLKliA=q frm.submit();
M^:JhX{ }
!\R5/-_UU //-->
F,~BhKkbV
JHa1lj </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
L.'61ZU <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
~O\A 0e <tr>
VtLRl0/ <td>
@rbd`7$% <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
azv173XZ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
TF:'6#p <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
hb3:,c( g@>llve{ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
'=E;^'Rl <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
_dd! nU\A| Hvk~BP'
m
</td>
!VWA4 e!+ I~n4}}9M </tr>
. J O3# md+pS"8o; </form>
yor'"6)i <jV,VKL# 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。
QNx]8r \KhcNr?ja= 下面是获取用户输入的登陆信息的代码:
zBy} > Jx string name;
.yy*[56X name=Request.QueryString["EmailName"];
HC$%"peN1b Wf3BmkZzz try
GbQi3% {
#9|&;C5',! int a=name.IndexOf("@",0,name.Length);
p"%D/-%Gu f_user.Value=name.Substring(0,a);
ny13+Q`^ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
.S54:vs f_pass.Value=Request.QueryString["Psw"];
]?VVwft }
~#)hqU' HfSx*@\s catch
b=lJ`| {
59)w+AW Script.Alert("错误的邮箱!");
&f.|MNz; Server.Transfer("index.aspx");
Uyb0iQ-,s }