1. 打开新的窗口并传送参数:
6Yn>9llo}= PolJo?HZ 传送参数:
Q//
@5m_ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
+Mq\3 #epbc K 接收参数:
<b
H*f w string a = Request.QueryString("id");
:41Y string b = Request.QueryString("id1");
=KHb0d |. n5kGHL2 2.为按钮添加对话框
I :<,9. Button1.Attributes.Add("onclick","return confirm(’确认?’)");
:ZY%-]u7 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
.4\I?
3S3(Gl 3.删除表格选定记录
pFY*Y>6ar int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
,Suk_aX> string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
G/p\MzDko # &.syD# 4.删除表格记录警告
SX"|~Pi( private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
n7bVL#Sq[ {
c\ZI
5&4jT switch(e.Item.ItemType)
ub8d]GZJ {
WVyDE1K< case ListItemType.Item :
\uHC 9}0 case ListItemType.AlternatingItem :
W^3 Jg2gE case ListItemType.EditItem:
u|wl;+. TableCell myTableCell;
p+iNi4y@ myTableCell = e.Item.Cells[14];
I@m(} LinkButton myDeleteButton ;
#L!`n)J" myDeleteButton = (LinkButton)myTableCell.Controls[0];
}5PC53q myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
r8 YM#dF break;
$&.(7F^D default:
0@?m"|G break;
tb?TPd-OY }
Me z&@{ xT&/xZLT }
!)oQ9,N uzQj+Po 5.点击表格行链接另一页
2<UC^vZ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
cPZ\iGy {
9?sY!gXc //点击表格打开
PSAEW.L if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
O=} e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
mW)kWuOO }
IIMf\JdM /Cwwz 双击表格连接到另一页
?2o+x D2 roriNr/e 在itemDataBind事件中
21<Sfsc$ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
30w(uF {
gZ>&cju string OrderItemID =e.item.cells[1].Text;
oJ5n*[qUI ...
p:tp|/ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
\COoU(" }
cfBlHeYE Yt_tAm 双击表格打开新一页
AWFq5YMSI if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
j?tE# {
D)4#AI string OrderItemID =e.item.cells[1].Text;
6C"${}SF` ...
.+8#&Uy e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
GRj [2I7: }
mV}8s]29 _W Hi<,- ★特别注意:【?id=】 处不能为 【?id =】
w"kBAi& 6.表格超连接列传递参数
9.
FXbNYg <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
JC$_Pg! <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
7/]Ra ZBK)rmhMx 7.表格点击改变颜色
{ .i^& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
8rBa}v9 {
5<KBMCn e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
asvM/ 9 this.style.color=’buttontext’;this.style.cursor=’default’;");
R-iWbLD }
4%yeEc;z R%t6sbsNv 写在DataGrid的_ItemDataBound里
;x|?N* if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
bjwl21;{ {
SFrQPdX6V e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
`UFRv this.style.color=’buttontext’;this.style.cursor=’default’;");
WVc3C-h, e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
+Hz});ix< }
w9I7pIIl zk8 o[4 @OOnO+g 8.关于日期格式
#3@ Du(_n fY@Y$S`Fh 日期格式设定
P(I`^x DataFormatString="{0:yyyy-MM-dd}"
)X{ x\
/N u.(
WW(/N 我觉得应该在itembound事件中
Dm=t`_DL8 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
rj qX| 7a_pO1MBL 9.获取错误信息并到指定页面
a.+2h%b Xz)UH< 不要使用Response.Redirect,而应该使用Server.Transfer
@xKLRw WPVur{?< e.g
1{N73]-M: // in global.asax
y=i_:d0M protected void Application_Error(Object sender, EventArgs e) {
1qWIku if (Server.GetLastError() is HttpUnhandledException)
IXb]\ ) Server.Transfer("MyErrorPage.aspx");
f8`K8Y]4 z@\C/wX //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Uc,D&Og }
Wyu$J ?sQOz[ig; 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
@UCI^a~w U M$\{$ 10.清空Cookie
W7I.S5 Cookie.Expires=[DateTime];
j)4:*R.Z] Response.Cookies("UserName").Expires = 0
`"CIy_m $hexJzX 11.自定义异常处理
8S2sNpLi-g //自定义异常处理类
, 'WhF- using System;
eQh@.U*S) using System.Diagnostics;
+X[+SF)! [JAHPy=+w namespace MyAppException
sywSvnPuYZ {
A-5xgp, /// <summary>
L?~>eT /// 从系统异常类ApplicationException继承的应用程序异常处理类。
8K: RoR /// 自动将异常内容记录到Windows NT/2000的应用程序日志
O@*7O~eO /// </summary>
a=(D`lQ8 public class AppException:System.ApplicationException
RmF,x9 {
}xZR`xP( public AppException()
kKbq?}W[ {
a]0B{ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
P#^-{;Bu }
%6A."sePO 9o)sSaTx= public AppException(string message)
E?\&OeAkO {
X`-7: !+ LogEvent(message);
rGa@!^hk }
g]kM7,/M >"LHr&;m&h public AppException(string message,Exception innerException)
\X3Q,\H
@ {
Uh6LU5 LogEvent(message);
9jwcO)p^ if (innerException != null)
G
=`-w {
VO"/cG;]* LogEvent(innerException.Message);
!H)$_d \uj }
+0,'B5 (E }
.>QzM>zO o!6~tO=% //日志记录类
kSW=DE|#} using System;
X`/GiYTu using System.Configuration;
'=s{9lxn^ using System.Diagnostics;
#%Hk-a=>)# using System.IO;
6XP>qI,AJ using System.Text;
Za[?CA using System.Threading;
,=_)tX^ P=\Hi.]% namespace MyEventLog
rKd|s7l {
bNiJ"k<pN /// <summary>
bD| "c /// 事件日志记录类,提供事件日志记录支持
pjFj{ /// <remarks>
-T-yt2h( /// 定义了4个日志记录方法 (error, warning, info, trace)
\Sv|yQUT /// </remarks>
LnN:;h /// </summary>
"a33m:]J public class ApplicationLog
Qz%q#4Zb {
A4;~+L :M /// <summary>
BuC\Bd^0 /// 将错误信息记录到Win2000/NT事件日志中
r]~]-VZ/ /// <param name="message">需要记录的文本信息</param>
X;vUz /// </summary>
V$u:5"qu0 public static void WriteError(String message)
zd F;! {
9uX15a WriteLog(TraceLevel.Error, message);
(gcy3BX; }
u-V(
2? F)/4#[ /// <summary>
5pHv5e /// 将警告信息记录到Win2000/NT事件日志中
_Vc4F_ /// <param name="message">需要记录的文本信息</param>
*F(<:3;2 /// </summary>
G2|G}#E public static void WriteWarning(String message)
k@[[vj|W {
c+whpQ=01 WriteLog(TraceLevel.Warning, message);
hOdU% }
n
\&H~0X 2)
2:KX /// <summary>
0+w(cf~6 /// 将提示信息记录到Win2000/NT事件日志中
YNp-A.o
W@ /// <param name="message">需要记录的文本信息</param>
cVmF'g /// </summary>
tWTC'Gx-J public static void WriteInfo(String message)
tejpY {
Dx9k%G)! WriteLog(TraceLevel.Info, message);
`\=~
$&vjC }
f&$$*a /// <summary>
YelF)Na /// 将跟踪信息记录到Win2000/NT事件日志中
6G_{N.{( /// <param name="message">需要记录的文本信息</param>
: 'pK /// </summary>
zMO xJ public static void WriteTrace(String message)
n#
FkgXP$ {
.n?i'8 WriteLog(TraceLevel.Verbose, message);
cBCC/n }
|Fq\%y# ,E+\SBQS_ /// <summary>
]RF(0; /// 格式化记录到事件日志的文本信息格式
'BVI ^H4 /// <param name="ex">需要格式化的异常对象</param>
lg^Lk\Y+re /// <param name="catchInfo">异常信息标题字符串.</param>
WaE%g /// <retvalue>
+)_DaL
E /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
:e}j$vF
/// </retvalue>
D8$4P T0u /// </summary>
I3}I7oc_ public static String FormatException(Exception ex, String catchInfo)
/<o?T{z<- {
Emk:@$3{r StringBuilder strBuilder = new StringBuilder();
^Q!A4qOQ if (catchInfo != String.Empty)
~P*{%= a {
| "eC0u strBuilder.Append(catchInfo).Append("\r\n");
iU#"G" & }
SkU9iW(k strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
%V#? 1{ return strBuilder.ToString();
CUaL }
[o
6 0}g~69Z1= /// <summary>
OA[fQH#{lX /// 实际事件日志写入方法
uME_/S uO /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
DJ!pZUO{ /// <param name="messageText">要记录的文本.</param>
!0v3Lu~j /// </summary>
: T qeVf private static void WriteLog(TraceLevel level, String messageText)
M{YN^
Kk {
Xpfw2;`U' try
bj?=\u {
g5*?2D}dqX EventLogEntryType LogEntryType;
LK>;\BRe? switch (level)
(!9+QXb' {
d?/>Qqw:# case TraceLevel.Error:
>g{b'Xx LogEntryType = EventLogEntryType.Error;
r<Q0zKW!jN break;
m'uFj ! case TraceLevel.Warning:
Ss\FSEN!/ LogEntryType = EventLogEntryType.Warning;
w`gT]Rn break;
ZM[Z9/S8 case TraceLevel.Info:
4Ujy_E?^ LogEntryType = EventLogEntryType.Information;
"h8fTB\7S\ break;
!mUO/6Q hq case TraceLevel.Verbose:
pB7^l|\] LogEntryType = EventLogEntryType.SuccessAudit;
A-YW!BT4 break;
as[! 9tB] default:
Ms-)S7tMz LogEntryType = EventLogEntryType.SuccessAudit;
^Ww5@ break;
s3VD6xi7 }
6-+wfrN2 bc>&Qj2Z7c EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
h,,B"vPS //写入事件日志
-x|!?u5F eventLog.WriteEntry(messageText, LogEntryType);
aDu[iaZ eDvh3Y<D }
8i)9ho< catch {} //忽略任何异常
+ f:!9)C }
,RP 9v* } //class ApplicationLog
c6SXz%'k }
nwC*w`4 ,np|KoG|M 12.Panel 横向滚动,纵向自动扩展
>Gk<a <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
v~jm<{={g ^:}C,lIrG 13.回车转换成Tab
z%iPk'^ <script language="javascript" for="document" event="onkeydown">
A1`6+8}o;b if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
x'..j5 event.keyCode=9;
#y[omla8 </script>
Z @ef2y; 7YK6e onkeydown="if(event.keyCode==13) event.keyCode=9"
x$D^Bh, z;Fz3s7 14.DataGrid超级连接列
" a,4E{7 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
mH4u@aQ} a1/+C$
oB 15.DataGrid行随鼠标变色
~(huUW private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'
i<4;=M& {
5??}9 if (e.Item.ItemType!=ListItemType.Header)
\Q1&w2mw {
j3T)gFP e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
v+`'%E e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
IYXN}M.= }
"#-iD }
?A_+G 5 q5-i=lw 16.模板列
VP^Yf_ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
= >tkc/aa <ITEMTEMPLATE>
/IJy'@B <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
*AGf'+j*z </ITEMTEMPLATE>
3oH/34jj </ASP:TEMPLATECOLUMN>
.Y?]r6CC/ 4;CI<&S <ASP:TEMPLATECOLUMN headertext="选中">
JS%LJ_J <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
cSV&p| <ITEMTEMPLATE>
7Re\*[)T <ASP:CHECKBOX id="chkExport" runat="server" />
U4K ZPk </ITEMTEMPLATE>
su1fsoL0 <EDITITEMTEMPLATE>
S2*sh2-&6 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
O_4B>
)zd </EDITITEMTEMPLATE>
JW^ ${4 </ASP:TEMPLATECOLUMN>
5>0\= fd>{UyU 后台代码
UWV%y P protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
fK+E5~vQ {
`:V'E>B //改变列的选定,实现全选或全不选。
YARL/V CheckBox chkExport ;
(Q%
@] if( CheckAll.Checked)
5!qf{4j {
rnhLv$ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
a@W9\b@I {
<iU@ M31 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
uZrp ^ chkExport.Checked = true;
5=
&2= }
Er
j{_i?R? }
r/ g{j else
# M/n\em"X {
`Tyd1!~ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
8Z9>h:c1 {
]7W!f 2@ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;iKtv+" chkExport.Checked = false;
<%uEWb) }
J.4U;A5 }
bRm;d_9zC }
jwE= bs)wxU`Q* 17.数字格式化
hwXsfh | 16 `M=R 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Icg-rwa<Z <%#Container.DataItem("price","{0:¥#,##0.00}")%>
@#,/6s7? LS<+V+o2% int i=123456;
#n|5ng|CJ string s=i.ToString("###,###.00");
p+]S)K GZw 4uoZw3O 18.日期格式化
M]{~T7n- K(upzn*a 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Pa d)| COHBjufmR 显示为: 2004-8-11 19:44:28
]m 3cm 18F}3t?? 我只想要:2004-8-11 】
;AOLbmb)H4 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
>uYQt~s $)ka1L"N 应该如何改?
Ir>4- @ bv]SR_Tiq 【格式化日期】
X5.9~ 1ds4C:M+< 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
?C fQwY#N sNpA!!\PM 【日期的验证表达式】
JGvhw,g Iv A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
3^wHL:u ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
*l
=f= C=&n1/ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
b?`2LAgn ^\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]))$
1gBLJ0q kI(3Pf]. 【大小写转换】
<\$"U5"` HttpUtility.HtmlEncode(string);
cFq<x=S HttpUtility.HtmlDecode(string)
<v -YMk@ aG;F=e 19.如何设定全局变量
Dmi.@. !YGHJwW: Global.asax中
%+Nng<_U\T (OE S~G Application_Start()事件中
Ot47.z y{3+Un 添加Application[属性名] = xxx;
<h9nt4F gd#R7[AVi 就是你的全局变量
zOSUYn cA4?[F
20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
.^=I&X/P D1-w>Y# HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
9[VYd ' %>+lr%B 【ASPNETMENU】点击菜单项弹出新窗口
lq53
xT N{g7 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
,sc#l<v <?xml version="1.0" encoding="GB2312"?>
~),%w*L <MenuData ImagesBaseURL="images/">
}3Ke <MenuGroup>
nw*a?$S3 <MenuItem Label="内参信息" URL="Infomation.aspx" >
0PFC%x <MenuGroup ID="BBC">
lul <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
'_Pb\
jK <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
~N;
dX[@BT ......
J Q*~le* ws,?ImA 最好将你的aspnetmenu升级到1.2版
RrrlfF ms Gs|a$^V|o 21.读取DataGrid控件TextBox值
'Kkp!eZQ~ foreach(DataGrid dgi in yourDataGrid.Items)
@oj_E0i3 {
<_pLmYI TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
`|"o\Bg< tb.Text....
{yT<22Fl }
(QqeMG,Y z=jzr=lP 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?
S*3$1BTl ci(BPnQ 〖思归〗
aG@GJ@w <asp:TemplateColumn HeaderText="数量">
ji ,`? <ItemTemplate>
\[+':o`LH <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
[czWUD onkeyup="javascript:DoCal()"
P:XX8 />
yFFNzw{ #^i+'Z=L <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
|?'
gT"# </ItemTemplate>
p<@+0Uw2 </asp:TemplateColumn>
u |$GOSD ;lTgihW- <asp:TemplateColumn HeaderText="单价">
ke +\Z>BWN <ItemTemplate>
!a5e{QG0 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
NH1|_2 onkeyup="javascript:DoCal()"
;Oqbfl#% />
c1f`?i}. 3i}$ ~rz]U <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
a[lx&CHgI L#IY6t </ItemTemplate>
iqXsDgkr </asp:TemplateColumn>
jJ_6_8# Gh'{O/F4* <asp:TemplateColumn HeaderText="金额">
bV@5B#] 2R <ItemTemplate>
(%M:=zm <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
ju"j?2+F </ItemTemplate>
*OKve </asp:TemplateColumn><script language="javascript">
ux7g%Q^" function DoCal()
Ahg6>7+R. {
&gm/@_ var e = event.srcElement;
~BI! l var row = e.parentNode.parentNode;
O}Do4>02 var txts = row.all.tags("INPUT");
90$`AMR if (!txts.length || txts.length < 3)
`jDmbD
+= return;
jB d9
$` yucbEDO. var q = txts[txts.length-3].value;
!P _'n var p = txts[txts.length-2].value;
v{U1B lGX_5R if (isNaN(q) || isNaN(p))
FEg&EYI
return;
;\+A6(GX{ SRk-3 : q = parseInt(q);
RK=YFE 0 p = parseFloat(p);
?DJ,YY9P K:sC6|wG txts[txts.length-1].value = (q * p).toFixed(2);
=CO#Q$ }
!1?Nc}T0Q& </script>
='r4zz 30/( ~4~>;e ag$UNV V?Zvu9b& 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。
w-MnJ(r page_load
$X;fz)u page.smartNavigation=true
!~k-Sexh o%A@
OY 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 ?
^?tF'l` private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
hu
qQ0 {
M0% ):P?x for(int i=0;i<e.Item.Cells.Count-1;i++)
dmD':1 if(e.Item.ItemType==ListItemType.EditType)
ojd/%@+u+Y {
i'9 e.Item.Cells.Attributes.Add("Width", "80px")
PDssEb7 }
-xf=dzm) }
yf7p0;$? `ja**re 26.对话框
5lC "10 private static string ScriptBegin = "<script language=\"JavaScript\">";
52#@.Qa private static string ScriptEnd = "</script>";
K]q OLtc Fu (I<o+T- public static void ConfirmMessageBox(string PageTarget,string Content)
]E)gMf {
,*V{gpC7 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
'?k*wEu >c7fg^@ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
!W8'apG&[ L+s,,k Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
.yF7{/ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
RxkcQL/Le //Response.Write(strScript);
@hWt.qO3s }
9oY%v7 4jrY3gyBX 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Rj%q)aw' O.*, e 1.1 取当前年月日时分秒
]#[R^t currentTime=System.DateTime.Now;
|k> _
jO K$\]\qG6 1.2 取当前年
*B`wQhB% int 年= DateTime.Now.Year;
>9|/sH@W ,y?0Iwf 1.3 取当前月
(Y!@,rKd int 月= DateTime.Now.Month;
f|_iHY
WrL&$dEJ?M 1.4 取当前日
0AFjO) int 日= DateTime.Now.Day;
zrG&p Z hn-9l1~!h 1.5 取当前时
Cjsy1gA
int 时= DateTime.Now.Hour;
_w=si?q V\WqA8 1.6 取当前分
' Ky5|4 int 分= DateTime.Now.Minute;
-}{c;pT _bn*B$ 1.7 取当前秒
gz-}nCSi int 秒= DateTime.Now.Second;
.T/\5_Bx F%t`dz!L 1.8 取当前毫秒
0S;H`w_S int 毫秒= DateTime.Now.Millisecond;
DnP>ed"M! Id(L}i(X 28.自定义分页代码:
5EIh5Y EU> ,D3?N2mB 先定义变量 :
\;}F6g public static int pageCount; //总页面数
[GX5jD# public static int curPageIndex=1; //当前页面
B3]q*ERAo V,fSn:8%M 下一页:
!&Vp5]c if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
:aR&t#<"E {
G@ XKE17 DataGrid1.CurrentPageIndex += 1;
>Q#_<IcI curPageIndex+=1;
k/?5Fs!# }
*pCT34'-- mTT1,| bind(); // DataGrid1数据绑定函数
%vDN{%h8 )Y+n4UL3NK 上一页:
Tf)qd\ if(DataGrid1.CurrentPageIndex >0)
PW x9CT {
u1xCn\ DataGrid1.CurrentPageIndex += 1;
L]3 V)`} curPageIndex-=1;
(PE x<r1 }
Fx*iAH\e 8<z+hWX=4 bind(); // DataGrid1数据绑定函数
Ly0^ L-~| E4GtJ`{X 直接页面跳转:
@k>}h\w int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
u+a"
'* Eq=~S O% if(a<DataGrid1.PageCount)
//n$#c_}u {
c"Ddw'?e this.DataGrid1.CurrentPageIndex=a;
kHygif
!I4 }
NKd}g nj$TdwZbK bind();
HjAhz 7)tkqfb] 29.DataGrid使用:
w{l}(:xPp uT:'Kkb! 添加删除确认:
y_boJ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
E1 IT>_ {
YEH /22 foreach(DataGridItem di in this.DataGrid1.Items)
}W^%5o87{ {
\H^DiF%f9 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
f?vbIc` {
Htl2CcZ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
C+o1.#]JM }
Y;2WY0eq }
prtNfwJz1j }
ymH>]
cUm <@:RS$"i 样式交替:
by07l5 ListItemType itemType = e.Item.ItemType;
5{gv\S1 BN&eU'Dl] if (itemType == ListItemType.Item )
B.A;1VE5 {
Py`7)S e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
,\-4X e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
#/"Tb^c9 }
|w"G4J6ha else if( itemType == ListItemType.AlternatingItem)
e/uLBZ {
?7#{#sj e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
`z^50Vh| e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
T|&u? }
s"`Oj5 zjTCq; G 添加一个编号列:
{`Z=LLL DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
F=?GV\Tw DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
S\ K[l/ ^?:
Az for(int i=0;i<dt.Rows.Count;i++)
K-7i4
~ {
zC$(/nZ
dt.Rows["number"]=(i+1).ToString();
@RS|}M^4 }
51x)fZQ q0QB[)AP DataGrid1.DataSource=dt;
i9y&<^<W DataGrid1.DataBind();
ESv&x6H #)$@Kvm DataGrid1中添加一个CheckBox,页面中添加一个全选框
nYO4JlNP private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
}Z\PE0 {
mkt%|Kb. foreach(DataGridItem thisitem in DataGrid1.Items)
n>I
N J {
$F86Dwd ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
JIU=^6^2' }
u:D,\`;) }
}KwL_\>&f SiQszV.& 将当前页面中DataGrid1显示的数据全部删除
[P746b_\e foreach(DataGridItem thisitem in DataGrid1.Items)
G2}e@L0 {
2:l8RH!Y if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
B@2VI
1% {
[.NG~ cpb string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
&?#G)suP Del (strloginid); //删除函数
J
M,ndl }
*
"Z5bKL }
qE&R.I!o lUd;u*A 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
gK8{ =A0c &%Lps_+fJ 在Application_Start中添加以下代码:
:v!e8kM\x Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
V>&WZY AppSettings["ConnStr"].ToString();
mew,S)dq! ~SRK}5E 31. 变量.ToString()
LJAqk2k 93*MY7j} 字符型转换 转为字符串
'dstAlt? 12345.ToString("n"); //生成 12,345.00
r2]KP(T8| 12345.ToString("C"); //生成 ¥12,345.00
"ebm3t@C 12345.ToString("e"); //生成 1.234500e+004
* Jy'3o 12345.ToString("f4"); //生成 12345.0000
/RzL,~] 12345.ToString("x"); //生成 3039 (16进制)
#DI%l`B 12345.ToString("p"); //生成 1,234,500.00%
N1 }#6YNw :d
ts> 32、变量.Substring(参数1,参数2);
V_T.#"C4=z D 1Q@4
g 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
^"e|)4_5\ ""JTU6]MS 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
#ONad0T; <SCRIPT language="javascript">
\Y0o~JD <!--
0 xUw}T6 function gook(pws)
axSJ:j8 {
TM1isZ frm.submit();
+;P8QZK6 }
+$-@8,F> //-->
]b"Oy}ARW gxIGL-1M </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Pde|$!Jo <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
wsnR$FhQ` <tr>
&?R2zfcM <td>
^}+qd1r <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
p=7{ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
jo8hVWJ7V* <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
!y&uK&1 UbD1h_b <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
(}W+W\. <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
h~]G6>D9)> D`?=]Ysz( </td>
e'FBV[e !\
IgTt, </tr>
0UJ%tPS {{G`0i2KV </form>
8!~8:?6n M7O5uW` 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。
OlW|qj Aj854 L(! 下面是获取用户输入的登陆信息的代码:
`OL@@`'^{S string name;
TN xl?5: name=Request.QueryString["EmailName"];
s#%$aQ|Fp i'w8Li try
\(ygdZ{R {
WIe7>wkC int a=name.IndexOf("@",0,name.Length);
I~'% f_user.Value=name.Substring(0,a);
:!SVpCt3 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
1S&GhJ<wJ f_pass.Value=Request.QueryString["Psw"];
LH=gNFgzt }
O_zW/# fgiOYvIS2m catch
mv5=>Xc6 {
\3M<_73 Script.Alert("错误的邮箱!");
#Tz$ona Server.Transfer("index.aspx");
~$I9%z7@ }