1. 打开新的窗口并传送参数:
7]+'%Uwu) qSs^}eN 传送参数:
G"R>a w response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
`x^,k%
:4 ?z36mj"`o 接收参数:
i /U{dzZ string a = Request.QueryString("id");
Woy[V string b = Request.QueryString("id1");
##\ZuJ^- +_K;Pj]x 2.为按钮添加对话框
MnsWB[ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
v-]-wNqT button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
rsj}hS$ JqhVD@1{ 3.删除表格选定记录
a-A4xL.gm int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
761"S@tf$} string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
)ejqE6'[ #]hkQo 4.删除表格记录警告
LfSUY private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
]d;/6R+Vs {
RIpq/^Th switch(e.Item.ItemType)
I&@@v\$* {
\:^n-D*fX case ListItemType.Item :
FbT&w4Um= case ListItemType.AlternatingItem :
].+G-<.: case ListItemType.EditItem:
~Am
%%$ TableCell myTableCell;
a5+v)F/= myTableCell = e.Item.Cells[14];
K>~cY%3^i LinkButton myDeleteButton ;
,#FH8%Yf myDeleteButton = (LinkButton)myTableCell.Controls[0];
tQ<2K*3] myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
NjMLq|X break;
H[yLlv default:
#6Ph"\G/ break;
8*){*'bf }
.aRxqFi_ 1;9E*= }
|?b"my$g$ s+t eYL#Zi 5.点击表格行链接另一页
U.9nHo{ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
~a|Q[tiV] {
!a&F:Fbm //点击表格打开
<%5uzlp if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
545xs`Q_ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
~}l,H:jk@ }
`I:,[3_/ 1j-i nj` 双击表格连接到另一页
h$h`XBVZe; /]>{"sS( 在itemDataBind事件中
I>zn$d*0 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
h^X.e[ {
l3$?eGGM string OrderItemID =e.item.cells[1].Text;
O/"&?)[v ...
XfDQx!gJ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
<]`2H}*U' }
89dC
bF3b AH,F[vS 双击表格打开新一页
;]ew>P) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
FCAu%lvZT {
4r!40^:2 string OrderItemID =e.item.cells[1].Text;
FNO
lR>0e ...
7q1l9:VYE e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
1T`"/*! }
q/zdd3a ~1!kU4 ★特别注意:【?id=】 处不能为 【?id =】
9_dsiM7CT 6.表格超连接列传递参数
:CHd\."%+1 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
=jHy6)6w <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
NP/2gjp Z@umbyM 7.表格点击改变颜色
gQGiph | if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
PUo&> {
.
2Q/D?a e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
7K4%`O
this.style.color=’buttontext’;this.style.cursor=’default’;");
,g.=vQm:? }
h2snGN/{Hb k9?+9bExXA 写在DataGrid的_ItemDataBound里
40ZB;j$l if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
sP8B?Tn1W {
^ 9E(8DD e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Un+Jz
?Y this.style.color=’buttontext’;this.style.cursor=’default’;");
(\
%y) e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
JC3)G/m(03 }
+?'acn v#G ^W \`x'g)z(i 8.关于日期格式
a#$%xw [b'fz 日期格式设定
KfS^sT DataFormatString="{0:yyyy-MM-dd}"
hR{Zh> EpMEA1=& 我觉得应该在itembound事件中
~;` #{$/C& e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
6.=b^6MV 1j(,VW 9.获取错误信息并到指定页面
exvsf| zt6ep= 不要使用Response.Redirect,而应该使用Server.Transfer
K.I r+SB 548BM^^"r e.g
_FgeE`X // in global.asax
djM=QafB:C protected void Application_Error(Object sender, EventArgs e) {
p:))ne:7 if (Server.GetLastError() is HttpUnhandledException)
|+''d Server.Transfer("MyErrorPage.aspx");
HB:i0m2fJW !9NAm?Fw //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
F*H}5yBp_: }
2e=Hjf
)
$4]PN2d& Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
-t?G8,, c^%k1pae( 10.清空Cookie
b.+\qaR Cookie.Expires=[DateTime];
.(ir2g Response.Cookies("UserName").Expires = 0
mYvm_t9 <hdCO<
0( 11.自定义异常处理
*WG}K?"/ //自定义异常处理类
&B
C#u.^! using System;
+f+yh0Dj using System.Diagnostics;
?;Qk!t2U cx)
EFy. namespace MyAppException
&$f?XdZ7 {
}rZp(FG@* /// <summary>
9OBPFF /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Tc:`TE=2 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
AJmzg /// </summary>
5[k35c{ public class AppException:System.ApplicationException
2)YLs5>W% {
5**xU+& public AppException()
u a-p^X`w {
y C#{nUdw if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
0Og =H79< }
I6_+3}Hm{ oxZ(qfjS public AppException(string message)
kLP^q+$u)! {
sBMHf9u LogEvent(message);
ej `$-hBBV }
Yaqim<j fz*6 B NJ public AppException(string message,Exception innerException)
HYS7=[hv6 {
!RI&FcK LogEvent(message);
so*7LM?ib> if (innerException != null)
\9DTf:!4Z {
VTU-'q LogEvent(innerException.Message);
Rx.0P6s }
\kx9V|A' }
=v8q AyDK-8a //日志记录类
wpdT " using System;
_=b[b]Ec$s using System.Configuration;
w# ['{GL using System.Diagnostics;
DWG}}vN:& using System.IO;
hpU7 using System.Text;
sXTO`W/ using System.Threading;
H{8\<E:V+} I5mS!m/X namespace MyEventLog
smggr{- {
tP9}:gu /// <summary>
x8[8z^BV?e /// 事件日志记录类,提供事件日志记录支持
pH%K4bV)8 /// <remarks>
gd*\,P /// 定义了4个日志记录方法 (error, warning, info, trace)
!TcjB;q' /// </remarks>
4-MA!& /// </summary>
+?8nY.~,' public class ApplicationLog
n"JrjvS {
Kfh"XpWc$ /// <summary>
9Z=Bs)-y. /// 将错误信息记录到Win2000/NT事件日志中
Y`wi=( /// <param name="message">需要记录的文本信息</param>
5o?bF3 /// </summary>
/dAIg1ra public static void WriteError(String message)
YL]x>7T~4t {
/D12N'VaE WriteLog(TraceLevel.Error, message);
VCI G+Gz }
DIY WFVh YG_3@`-< /// <summary>
<q|19fH-5 /// 将警告信息记录到Win2000/NT事件日志中
Kf*+Ilq%L /// <param name="message">需要记录的文本信息</param>
*-7O|
'' /// </summary>
?AEpg.9R- public static void WriteWarning(String message)
R[b?kT-% {
<m!\Ma WriteLog(TraceLevel.Warning, message);
@m6E*2Gg }
_<8n]0lX3 \*7Tj-# /// <summary>
Cpl\}Qn /// 将提示信息记录到Win2000/NT事件日志中
lH[N*9G( /// <param name="message">需要记录的文本信息</param>
rfk';ph /// </summary>
QL3%L8 public static void WriteInfo(String message)
F
1BPzRo` {
^J327 WriteLog(TraceLevel.Info, message);
wS4zAu }
F=cO=5Iz /// <summary>
I<$lpU_H /// 将跟踪信息记录到Win2000/NT事件日志中
B}vI<?c /// <param name="message">需要记录的文本信息</param>
[30< 0 /// </summary>
Gh j[nsoC~ public static void WriteTrace(String message)
5%9&
7 {
^;'3(m= WriteLog(TraceLevel.Verbose, message);
3KGDS9I }
_\[Zr.y d(tq;2- /// <summary>
/<@oUv /// 格式化记录到事件日志的文本信息格式
VGSe<6Hh /// <param name="ex">需要格式化的异常对象</param>
G 2mv6xK' /// <param name="catchInfo">异常信息标题字符串.</param>
a 3HS!/ /// <retvalue>
pJqayzV /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
)|:|.`H /// </retvalue>
MSA*XDnN /// </summary>
M/BBNT public static String FormatException(Exception ex, String catchInfo)
O!a5 {
RxqXGM`4 StringBuilder strBuilder = new StringBuilder();
%9IM|\ulp if (catchInfo != String.Empty)
^OUkFH;dG? {
Vry# strBuilder.Append(catchInfo).Append("\r\n");
^T^fowt=r }
M$w^g8F27H strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
aw(P@9] return strBuilder.ToString();
%f@]- }
C@K@TfK!M b747 eR 7E /// <summary>
lGxG$0`;; /// 实际事件日志写入方法
>LjvMj ] /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
CEwG#fZ /// <param name="messageText">要记录的文本.</param>
zU(U^ /// </summary>
L%!jj7,9- private static void WriteLog(TraceLevel level, String messageText)
#CM2FN:W {
c1c0b|B!U try
x.'O_7c0: {
oYu5]ry EventLogEntryType LogEntryType;
>J4_/p>Qs switch (level)
*-2u0 %
{
wsM5TB case TraceLevel.Error:
Fd2zvi LogEntryType = EventLogEntryType.Error;
*'Ch(c:rtH break;
JIK;/1 case TraceLevel.Warning:
&D/_@\ 0 LogEntryType = EventLogEntryType.Warning;
*F=wMWa break;
2Ddrxc>48 case TraceLevel.Info:
J6jrtLh LogEntryType = EventLogEntryType.Information;
X_XqT break;
#bnFR case TraceLevel.Verbose:
/QTGZb LogEntryType = EventLogEntryType.SuccessAudit;
tvI~?\Ylj break;
3dXyKi default:
Hf#/o{=~} LogEntryType = EventLogEntryType.SuccessAudit;
{<bByHT! break;
%6 Bt%H }
fuQ?@F *8Gx_$t& EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
d"$ \fL //写入事件日志
R:11w#m7w eventLog.WriteEntry(messageText, LogEntryType);
^G15]Pyw * ,,D%L }
=8[HC}s|$ catch {} //忽略任何异常
aVd{XVE }
~W!sxM5(* } //class ApplicationLog
LTrn$k3} }
1'M<{h<sP --y.q~d 12.Panel 横向滚动,纵向自动扩展
I( pU_7mw <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
P*G&pitT kpEES{f 13.回车转换成Tab
>pr{)bp G <script language="javascript" for="document" event="onkeydown">
xEGI'lt if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
w<5w?nP+Oh event.keyCode=9;
7|\[ipVX:3 </script>
`XQM)A 74QWGw`, onkeydown="if(event.keyCode==13) event.keyCode=9"
]ZZ7j JTrxh] 14.DataGrid超级连接列
6X)8vQH DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
C)Mh G.1pg]P! 15.DataGrid行随鼠标变色
M++*AZ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
A-uEZj_RD= {
r'-)@| if (e.Item.ItemType!=ListItemType.Header)
LDO@$jg {
s>^*GQw e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
(Zx;GS e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
]e 81O#t3 }
R:zjEhH) }
8z\WyDz cvi+AZ= 16.模板列
C^]bXIb <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Bx;bc <ITEMTEMPLATE>
I
91`~0L* <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Qr$uFh/y </ITEMTEMPLATE>
{V,rWg </ASP:TEMPLATECOLUMN>
BHqJ~2&FDW U_Id6J]8 <ASP:TEMPLATECOLUMN headertext="选中">
:43K)O" <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
jO3Z2/# <ITEMTEMPLATE>
76(&O <ASP:CHECKBOX id="chkExport" runat="server" />
>PfYHO </ITEMTEMPLATE>
DM"`If%3j <EDITITEMTEMPLATE>
:U^a0s%B <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
5YJLR; </EDITITEMTEMPLATE>
~%m-}Sxc </ASP:TEMPLATECOLUMN>
j?#S M!f e$fxC-sZ 后台代码
c(i-~_ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
s9zdg"c' {
dyD=R //改变列的选定,实现全选或全不选。
I"y=A7Nq CheckBox chkExport ;
OiZPL" Q(K if( CheckAll.Checked)
t
:sKvJ {
hBOI:4u[ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
!Tr +: SM {
'
w!o!_T6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
UeX3cD chkExport.Checked = true;
kL{2az3"c }
D\bW' k]! }
i` n,{{x&4 else
rV54-K;`0 {
C
3b foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
N_U Zu {
#Q"el3P+q chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
bw ' yX chkExport.Checked = false;
JO1KkIV }
Cir==7A0 }
:;#Kg_bz }
LEKN%2 WEZ(4ah 17.数字格式化
s'J8E+&5 SzMh}xDh2 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
H@.j@l <%#Container.DataItem("price","{0:¥#,##0.00}")%>
!Yz~HO,u+ 'cu(
Sd} int i=123456;
z
~T[%RjO string s=i.ToString("###,###.00");
@_YlHe&W xzbyar< 18.日期格式化
l!EfvqWX ,0[bzk 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
S9t_2%e YR=<xn;m. 显示为: 2004-8-11 19:44:28
cL7je p9y
"0A| 我只想要:2004-8-11 】
{|O8)bW' <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
&NL=Bd pdngM8n 应该如何改?
rc<^6HqD dc|"34;^" 【格式化日期】
T4F}MVK { %vX/Ek 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
;lB%N
t<, t:9}~%~ 【日期的验证表达式】
4t|ril``] Eo!1
WRruF A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
a]Bm0gdrO ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
9N:Bu'j&/ uI}S9 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
m>yk4@a ^\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]))$
y4t M0h =)
$a>N 【大小写转换】
f
nX!wN HttpUtility.HtmlEncode(string);
Kzb&aOw HttpUtility.HtmlDecode(string)
b54<1\& ?kI-o0@O. 19.如何设定全局变量
#KF:(2
. Zrt/; Global.asax中
pLE|#58I 2G=Bav\n+ Application_Start()事件中
DGz'Dn @0; 9.jml, 添加Application[属性名] = xxx;
y{0`+/\` h/?8F^C#v 就是你的全局变量
rp6Y&3p. >JkQU e 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
mqrP0/sN Q.*qU,4); HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
MRwls@z= <x,u!}5J 【ASPNETMENU】点击菜单项弹出新窗口
F42r]k @F]6[ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Cg
|_) _w <?xml version="1.0" encoding="GB2312"?>
Oz#$x <MenuData ImagesBaseURL="images/">
KwndY,QD <MenuGroup>
gYn1-/Z>I <MenuItem Label="内参信息" URL="Infomation.aspx" >
Ol`/r@s <MenuGroup ID="BBC">
vvU;55- <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
idMb}fw> <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
(\{9W ......
B$1e AwT9 4_TxFulX. 最好将你的aspnetmenu升级到1.2版
WO?EzQ ? R]VY
PNns 21.读取DataGrid控件TextBox值
zW,m3~XX: foreach(DataGrid dgi in yourDataGrid.Items)
O8(;=exA {
I\&..e0l TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
\bw71( Q tb.Text....
UO47XAO }
TG8QT\0G UTGR{>=> 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
OkGg4X|9 8 k9(iS 〖思归〗
nyWA(%N1 <asp:TemplateColumn HeaderText="数量">
qL091P\F <ItemTemplate>
d8`^;T
;}d <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
[cwc}f^ onkeyup="javascript:DoCal()"
Oh9wBV />
V@&zn8? ^n!{ vHz
<asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
iJv4%|9 </ItemTemplate>
b#(SDNo6 </asp:TemplateColumn>
[yM{A<\L 'g$~ij ;x <asp:TemplateColumn HeaderText="单价">
Q:&,8h[ <ItemTemplate>
~Z!xS <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
1k6f|Al- onkeyup="javascript:DoCal()"
Wp/!; />
*[*LtyCQt4 R/R[r> 1)6 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
\[Op:^S i;;CU9`E2q </ItemTemplate>
dE!{=u(!i </asp:TemplateColumn>
B(wk $2 W"? |O Q' <asp:TemplateColumn HeaderText="金额">
#Z;ziM: <ItemTemplate>
A8&yB;T$y <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
-sm{Hpf_b </ItemTemplate>
QDYS}{A:V </asp:TemplateColumn><script language="javascript">
WCA`34( function DoCal()
/Mb?dVwA {
=B4U~|k var e = event.srcElement;
{(]B{n var row = e.parentNode.parentNode;
s
Z(LT'} var txts = row.all.tags("INPUT");
2hdi)C,7Y if (!txts.length || txts.length < 3)
O Ul+es return;
M,"4r^%k 9a 9<I var q = txts[txts.length-3].value;
eUPG){" var p = txts[txts.length-2].value;
E#JDbV1AC 1fM=>Z if (isNaN(q) || isNaN(p))
"5C)gxI^ return;
`~vqu69MF9 e;~[PYeu q = parseInt(q);
b)J(0,9`G" p = parseFloat(p);
kD
dY
i7g> 1,=U^W.G txts[txts.length-1].value = (q * p).toFixed(2);
hV#+joT8i }
<Z{\3X^ </script>
]IMBRZQqb fqZqPcT0 hAi50q;z )[yM4QFl u6IEBYG (( 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。
\!j{&cJ page_load
S9d+#6rn page.smartNavigation=true
gm~Ka%O|F NX&mEz 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 ?
km,}7^?F0r private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
7\@[e, ^9 {
I$xfCu for(int i=0;i<e.Item.Cells.Count-1;i++)
cG1-.,r if(e.Item.ItemType==ListItemType.EditType)
oNY;z-QK {
\g< M\3f e.Item.Cells.Attributes.Add("Width", "80px")
PeEf=3 }
:]iV*zo_ }
*i|O!h1St NlXHOUw)u 26.对话框
x!fvSoHp private static string ScriptBegin = "<script language=\"JavaScript\">";
KywDp 37^ private static string ScriptEnd = "</script>";
= q9>~E{} LL|$M;S
public static void ConfirmMessageBox(string PageTarget,string Content)
mG@xehH {
W=41jw string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Bi/=cI w G[X*/v ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
EL$l .
v =Y#)c]` Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
T5?@'b8F6 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
o#gb+[ //Response.Write(strScript);
'qwFVP }
>M[wh> M%pxv6?""{ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
{%X /w'| RX}6H<5R 1.1 取当前年月日时分秒
Z12-Vps currentTime=System.DateTime.Now;
w^EAk(77 0FD#9r 1.2 取当前年
4CVtXi_Y int 年= DateTime.Now.Year;
1.U5gW/3L $Q*h+)g< 1.3 取当前月
\L}aTCvG int 月= DateTime.Now.Month;
&+;z`A'|8 vggyQf% 1.4 取当前日
<gRv7 ?V[z int 日= DateTime.Now.Day;
3Xyu`zS& wR
+C> 1.5 取当前时
' _Ij9{M int 时= DateTime.Now.Hour;
ukb2[mb*u +LeZjA[ 1.6 取当前分
@N,dA# int 分= DateTime.Now.Minute;
]+\;pb}bq ~6L\9B) 1.7 取当前秒
z}&w7O#
int 秒= DateTime.Now.Second;
:5IbOpVM Mu$9#[/ 1.8 取当前毫秒
.<566g}VP int 毫秒= DateTime.Now.Millisecond;
BC0SSR@e oV"#1lp* 28.自定义分页代码:
Uu
~BErEC SE/GT:} 先定义变量 :
*-"DZ public static int pageCount; //总页面数
Wm\HZ9PN public static int curPageIndex=1; //当前页面
unu%\f>^4 $}RBK'cr} 下一页:
m [7@l if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
}@%A@A{R {
,paD/ DataGrid1.CurrentPageIndex += 1;
L]I ;{Y curPageIndex+=1;
r(-`b8ZE }
0mk-o %K[_;8 bind(); // DataGrid1数据绑定函数
I:M]#aFD :E'uV"j% 上一页:
N
GP}Z4 if(DataGrid1.CurrentPageIndex >0)
9nF;$HB {
DU(QQ53 DataGrid1.CurrentPageIndex += 1;
w:%3]2c curPageIndex-=1;
`%_ yRJd|; }
e<o{3*%p) OhMnG@@ bind(); // DataGrid1数据绑定函数
at"-X ?`d e]F4w(*= 直接页面跳转:
A (z
lX_ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
t@(S=i7}- 3>;zk#b2 if(a<DataGrid1.PageCount)
MQ7d IUs {
Q${0(#Nu this.DataGrid1.CurrentPageIndex=a;
=yo?] ZS }
M
^gva?{ <Vucr bind();
JwEQR zzOc
# / 29.DataGrid使用:
yg34b}m{ B>sSl1opI 添加删除确认:
0\XG;KA private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
A'Q=DoE {
w5zrEk# foreach(DataGridItem di in this.DataGrid1.Items)
&,E^y,r {
eT8(O36% if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
&("HH"! {
W$&{jr-p ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
#nG?}*# }
=(\
/+
0-[ }
2MS-e}mi }
}!-BZIOlO V*]cF=W[A 样式交替:
9w\yWxl ListItemType itemType = e.Item.ItemType;
2P)*Y5`KBH b
{fZU?o if (itemType == ListItemType.Item )
cb|cY Co5 {
w0W9N%f#= e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
pxC:VJ; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
3i1e1Lj1 }
l0AVyA4RFV else if( itemType == ListItemType.AlternatingItem)
Qb "\j {
G-FeDP e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
MP"Pqt e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
qz]b8rX }
9?M>Y?4 .A 12Co 添加一个编号列:
}EFMJ,NQ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
!<`}mE!: DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
l6o?(!:!% ['1JNUX for(int i=0;i<dt.Rows.Count;i++)
_19x`J3 {
j;%RV)e dt.Rows["number"]=(i+1).ToString();
;&="aD }
t<sy7e=' 79}voDFd DataGrid1.DataSource=dt;
`*?8<Vm DataGrid1.DataBind();
Wp5w}8g +%Y`>1I^# DataGrid1中添加一个CheckBox,页面中添加一个全选框
$:&?!>H private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
2@!Ou $W {
6k14xPj foreach(DataGridItem thisitem in DataGrid1.Items)
{|cuu"j26 {
xOfZ9@VU ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
kFCjko }
H{&o_ }
g$=y#<2? *c"tW8uR 将当前页面中DataGrid1显示的数据全部删除
2oL~N*^C foreach(DataGridItem thisitem in DataGrid1.Items)
B^8]quOH {
y9<]F6TT if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
<$m=@@qg {
HI+87f_Q string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
bD*z"e Del (strloginid); //删除函数
TF0DQP }
P?QVT;] }
a+wc"RQ
| ,V$PV,G 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)
G3 h&nH,> #f*,mY|> 在Application_Start中添加以下代码:
0LQ|J(u Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
Ed&;d+NM AppSettings["ConnStr"].ToString();
W=Y?_Oz -s] 31. 变量.ToString()
JQ9JWu%a %M?A>7b 字符型转换 转为字符串
8|9JJ<G7 12345.ToString("n"); //生成 12,345.00
L H>oG$a 12345.ToString("C"); //生成 ¥12,345.00
=2sj$ 12345.ToString("e"); //生成 1.234500e+004
JI&ik_k3 12345.ToString("f4"); //生成 12345.0000
Ky6.6Y<.| 12345.ToString("x"); //生成 3039 (16进制)
Ndb_| 12345.ToString("p"); //生成 1,234,500.00%
W
PDL$y *^h$%<QI 32、变量.Substring(参数1,参数2);
D I`
M f[S$Gu4- 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
N\Nw mx SLCV|@G 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
6LVJ*sjSy <SCRIPT language="javascript">
a?^xEye <!--
CuS"Wj function gook(pws)
A4C4xts]N {
FrPpRe %! frm.submit();
l~cT]Ep }
|dP[_nh? //-->
-;VKtBXP</ m\h. sg& </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Q#wl1P <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
PxqRb <tr>
|Wo_5|E <td>
~c;D@.e\ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
NTj: +z0 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
,7wxVR%Ys <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
KN41kkN aWtyY[= <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
SL(
WE=H <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
tA,#!Z0 OfSy _#aEK </td>
S7/0B4[ E~k_4z%M </tr>
;t^8lC?>V oM ')NIW@ </form>
9!aQ@ J^ ^:c:~F6J 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
>'qkW$-95 Dg:2*m_!j{ 下面是获取用户输入的登陆信息的代码:
4 nIs+ string name;
l}#z#L2,` name=Request.QueryString["EmailName"];
Hcts^zm2u KINKq`Sx try
i;' kQ {
>Ei-Spy>Xl int a=name.IndexOf("@",0,name.Length);
#7wOr78 f_user.Value=name.Substring(0,a);
#fF~6wopV f_domain.Value=name.Substring(a+1,name.Length-(a+1));
6f$h1$$)^ f_pass.Value=Request.QueryString["Psw"];
uTSTBI4t }
ao@"j}c Wa/&H$d\u@ catch
l7g<
$3 {
2f;fdzjk8K Script.Alert("错误的邮箱!");
$U{\T4 Server.Transfer("index.aspx");
@D<KG }