1. 打开新的窗口并传送参数:
Z36C7 kw >.4mAO 传送参数:
\!Cc[n(f# response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
!eE;MaS> ?vn9HhTD 接收参数:
"Di8MMGOY string a = Request.QueryString("id");
fqp!^-!X string b = Request.QueryString("id1");
%ok??_}$}q i$CN{c* 2.为按钮添加对话框
7>,(QHl Button1.Attributes.Add("onclick","return confirm(’确认?’)");
o.|P7{v} button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
nEgDwJ<wl %TUvH>;0 3.删除表格选定记录
M|DVFC int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
;FfDi*S7 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
l+HF+v$ mMSQW6~j 4.删除表格记录警告
qGVf!R private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
+p"}F PIK {
% 8hjMds switch(e.Item.ItemType)
05PRlz*x= {
97 eEqI$# case ListItemType.Item :
7xU6Ll+p case ListItemType.AlternatingItem :
*3Qwmom case ListItemType.EditItem:
6#gS`X23Y TableCell myTableCell;
d.Im{-S myTableCell = e.Item.Cells[14];
mtd ,m LinkButton myDeleteButton ;
pEp`Z,p myDeleteButton = (LinkButton)myTableCell.Controls[0];
IMcuoQ5 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
R&MdwTa break;
VxA?LS` default:
rK@XC +`S break;
Vz
@2_k
}
~4^~w#R d":GsI?3 }
vOQ
3A%/ l2Pry'3 5.点击表格行链接另一页
[Zxv&$SQ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'L$}!H1y {
c0aXOG^ //点击表格打开
u/_TR;u=q if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;U)xZ _Ew~ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
3Z%~WE;I }
W{W8\ 1LZ[i89&% 双击表格连接到另一页
~;S kH'zTO1 在itemDataBind事件中
}N,$4h9Dj if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:}* {
sFbN)Cx string OrderItemID =e.item.cells[1].Text;
<N'v-9=2jl ...
XDQ5qfE| e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
c$P68$FB }
A}3dx!?7j kVe4#LT 双击表格打开新一页
YMr2|VEU[ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&m=73RN {
j[Q9_0R~lR string OrderItemID =e.item.cells[1].Text;
`~k`m{4.a ...
h
]6:`5- e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
%iR"eEE }
fK{m7?V Em ;2fh ★特别注意:【?id=】 处不能为 【?id =】
)eD9H*mq 6.表格超连接列传递参数
i9koh3R\ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
'B\7P*L"p <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
f Hd|tl vN9R.R 7.表格点击改变颜色
cMK}BHOC if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
mJNw<T4!/ {
E^4}l2m_ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
O;lGh1. this.style.color=’buttontext’;this.style.cursor=’default’;");
w&[&ZDsK }
ISHzlEY W"n0x8~sV 写在DataGrid的_ItemDataBound里
K
7OIT2- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
F87/p {
7SJR_G6,{ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Z_;!f}X this.style.color=’buttontext’;this.style.cursor=’default’;");
8}K^o>J&K e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
)lZoXt_3 }
Rn$[P.|| rt0_[i l=PZlH
y1G 8.关于日期格式
wQ9?Z.-$ nq5qUErew 日期格式设定
`nrw[M? DataFormatString="{0:yyyy-MM-dd}"
10d.&vNw z5p5=KOb 我觉得应该在itembound事件中
*$Z,kZ^^ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
aY-7K._</ 6o
d^+>U 9.获取错误信息并到指定页面
PC!g?6J y|/[; 不要使用Response.Redirect,而应该使用Server.Transfer
1I?`3N p?2^JJpUb e.g
R8-=N+hX // in global.asax
/b7]NC% protected void Application_Error(Object sender, EventArgs e) {
9 2x)Pc^D if (Server.GetLastError() is HttpUnhandledException)
SA?lDRF Server.Transfer("MyErrorPage.aspx");
g{^~g +Ly@5y" //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
b4&l=^:e= }
?DGg.2f QpD-%gN Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
HA74s':FN 0[]) wl 10.清空Cookie
&u2H^ j Cookie.Expires=[DateTime];
xn=#4:f Response.Cookies("UserName").Expires = 0
T5Iz{Ha p1UYkmx[ 11.自定义异常处理
B~B, L*kC2 //自定义异常处理类
0bG#'.- using System;
6Ts[NXa using System.Diagnostics;
}jg1..)"< N*+ L'bO namespace MyAppException
[vqf hpz {
;ObrBN,Fu /// <summary>
I(H9-!& /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Z4oD6k5oc /// 自动将异常内容记录到Windows NT/2000的应用程序日志
c] - /// </summary>
7M)<Sv public class AppException:System.ApplicationException
E#R1 {
hg2Ywzfm- public AppException()
[}HS[($ {
h~lps?.#b if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
ot0g@q[3 }
5PsjGvm.% n^|SN9_r public AppException(string message)
l
>~Rzw {
^8KxU LogEvent(message);
SQ&}18Z~ }
)#8}xAjV [y~kF?a public AppException(string message,Exception innerException)
L*OG2liJ {
bFhZSk) LogEvent(message);
vnWt8?)]^ if (innerException != null)
(8baa.ge {
Eh^gR`I LogEvent(innerException.Message);
RN&6z"|jR }
tOX-vQ }
,xg-H6Xfa{ T+q5~~\d //日志记录类
%l?*w~x using System;
$*`E;}S0 using System.Configuration;
h=Q2
?O8 using System.Diagnostics;
VTU(C&"S using System.IO;
EU
Z7?4o using System.Text;
z\"9T?zoo using System.Threading;
k
t'[ fZoQQ[s namespace MyEventLog
n-g#nEc: {
g/(BV7V /// <summary>
*eGG6$I /// 事件日志记录类,提供事件日志记录支持
KZO[>qC"R /// <remarks>
eLLOE)x /// 定义了4个日志记录方法 (error, warning, info, trace)
;l^'g}dQ^ /// </remarks>
:}2T of2 /// </summary>
hBaF^AWW public class ApplicationLog
znDpg{U( {
Jd~M q9( /// <summary>
h^v#?3.@ /// 将错误信息记录到Win2000/NT事件日志中
Ii#+JY0k /// <param name="message">需要记录的文本信息</param>
+@c$n`>) /// </summary>
u{7->[= public static void WriteError(String message)
?D|kCw69SE {
* =*\w\
te WriteLog(TraceLevel.Error, message);
MV w.Fl }
R13V}yL T(,@]=d,DD /// <summary>
V>`9ey!U /// 将警告信息记录到Win2000/NT事件日志中
5`@yX[G /// <param name="message">需要记录的文本信息</param>
ii&ckg>]z /// </summary>
4]FS
jVO public static void WriteWarning(String message)
[+8*}03 {
el\xMe^SY WriteLog(TraceLevel.Warning, message);
]TJ258P} }
/E3~z0 'y5H%I! /// <summary>
2'@D0L /// 将提示信息记录到Win2000/NT事件日志中
'
9%iHx-< /// <param name="message">需要记录的文本信息</param>
Q~/=p>=uu /// </summary>
7nBX@Uo public static void WriteInfo(String message)
aK_k'4YTm {
}u1h6rd ` WriteLog(TraceLevel.Info, message);
dd6%3L{cn }
\%B7M]P /// <summary>
qQIX:HWDKZ /// 将跟踪信息记录到Win2000/NT事件日志中
8)MWC: /// <param name="message">需要记录的文本信息</param>
@^J>. g /// </summary>
sy-#Eo#3 public static void WriteTrace(String message)
unNN&m#@ {
NB5lxaL WriteLog(TraceLevel.Verbose, message);
%%#bTyF }
<Ql2+ev6 24
.'+3 /// <summary>
Jz*A!Li /// 格式化记录到事件日志的文本信息格式
cj^hwtx /// <param name="ex">需要格式化的异常对象</param>
xj9xUun /// <param name="catchInfo">异常信息标题字符串.</param>
*K&
$9fah /// <retvalue>
acgx')!c /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
dWu;F^ /// </retvalue>
>vR2K^ /// </summary>
6$kh5$[ public static String FormatException(Exception ex, String catchInfo)
q: X^V$` {
ef!f4u\ StringBuilder strBuilder = new StringBuilder();
H:
;XU if (catchInfo != String.Empty)
$Yp.BE<} {
U(Bmffn4Z strBuilder.Append(catchInfo).Append("\r\n");
1|AY&u%fiP }
fz?woVn strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
|WpJen*?Y return strBuilder.ToString();
\j-:5M#m }
m>3\1`ZF~< o?cNH /// <summary>
vR>GE?s6 /// 实际事件日志写入方法
eKLE^`2*@ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
l_8ibLyo /// <param name="messageText">要记录的文本.</param>
Ck>]+rl /// </summary>
#3{{[i(;i private static void WriteLog(TraceLevel level, String messageText)
v T
@25 {
W`P>vK@= try
Gm3`/!r {
B#}EYY EventLogEntryType LogEntryType;
:Rnwyj]) switch (level)
2[j`bYNe {
ep0dT3& case TraceLevel.Error:
<r(D\rmD LogEntryType = EventLogEntryType.Error;
-1~o~yGE break;
AX'-}5T= case TraceLevel.Warning:
L
" 'd(MD LogEntryType = EventLogEntryType.Warning;
'1fyBU break;
@,}tY ?>a case TraceLevel.Info:
.,U4 ATO LogEntryType = EventLogEntryType.Information;
G1*,~1i break;
w~jm0jK] case TraceLevel.Verbose:
[@B!N+P5; LogEntryType = EventLogEntryType.SuccessAudit;
c.5u \I9" break;
E cSu[b
default:
3xKgj5M LogEntryType = EventLogEntryType.SuccessAudit;
&Nw|(z&$ break;
bE@Eiac }
XX
"3.zW ie>mOsz EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
8J- ?bo //写入事件日志
Z6Z/Y()4Tl eventLog.WriteEntry(messageText, LogEntryType);
}W(t>> .<xD'54 }
B/^o$i catch {} //忽略任何异常
H0yM`7[y }
vlipB} } //class ApplicationLog
c/:k|x }
ZG{#CC = d2)]6)z6 12.Panel 横向滚动,纵向自动扩展
U[OUIXUi <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
q}0I`$MU 4Ss y (gt 13.回车转换成Tab
Fey^hx
w = <script language="javascript" for="document" event="onkeydown">
YfMs~}h, if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
c,M"a event.keyCode=9;
t<$J
3h/" </script>
;O5Iu wehiX7y onkeydown="if(event.keyCode==13) event.keyCode=9"
Twr,O;*u= [-81s!#mkw 14.DataGrid超级连接列
W^S]"N0u DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
T|j=,2_ Pj_DI)^ 15.DataGrid行随鼠标变色
f^F"e'1 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
SQ]M"&\{y {
i70\`6*;B if (e.Item.ItemType!=ListItemType.Header)
]2ycJ >w {
kA)`i`gt e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
#XqiXM~^R e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
y@7CY-1 }
tp }Bz&V }
eNM"e- =UWW(^M#[: 16.模板列
{sj{3I u <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
aGws?<1$ <ITEMTEMPLATE>
'z)cieFKP <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
&OEBAtc/ </ITEMTEMPLATE>
;B(16&l=q </ASP:TEMPLATECOLUMN>
qV,x )y:V "(kiMog- <ASP:TEMPLATECOLUMN headertext="选中">
E9t8SclV <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
"Vp:Sq9y <ITEMTEMPLATE>
[Ls%nz| <ASP:CHECKBOX id="chkExport" runat="server" />
/TIt-c </ITEMTEMPLATE>
,_D@ggL- <EDITITEMTEMPLATE>
)7Qp9Fxo <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
/11CC \ </EDITITEMTEMPLATE>
&%k_BdlkQ </ASP:TEMPLATECOLUMN>
St>
E\tXp L `=*Pwcj 后台代码
Tu,nX'q]m protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
V`YmGo {
'aEN(Mdz1e //改变列的选定,实现全选或全不选。
\_i22/Et CheckBox chkExport ;
x&m(h1h if( CheckAll.Checked)
$(08!U
{
,9ew75Jl foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
E @Rb+8}," {
U!RIeC chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
a5d_= :S; chkExport.Checked = true;
d-W*`:Q }
TIaiJvo }
n!lE|if else
[9Tnp]q {
"T<7j.P? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
5LU7}v~/ {
sqjDh chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
h uR ^l chkExport.Checked = false;
nLPd]%78> }
*A")A.R }
9;`hJ!r }
ed3wj3@ %\)AT" 17.数字格式化
}g|9P SbJ / T_v8{D 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
0 N0< 4b <%#Container.DataItem("price","{0:¥#,##0.00}")%>
EaH/Gg3 [D?d~pB int i=123456;
1]A\@( string s=i.ToString("###,###.00");
"d
M-3o< |<y1<O>F 18.日期格式化
[(.lfa P f'`y-]"V5) 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Mpk7$=hjc a"Ly9ovW 显示为: 2004-8-11 19:44:28
O0bOv S )|5mW 我只想要:2004-8-11 】
=KD[#au6a <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
t#-4edB, +Q[SddI 应该如何改?
M-F{I%Vx KF!d? 【格式化日期】
AXnKhYlu (OavgJ+Y 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
D$w? -$@'@U 【日期的验证表达式】
hQNUA|Q=% q6%m .X7 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
t+^__~IX ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
kKDf%= 9\kEyb$F= B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
04}c_XFFE ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
Y;dqrA>@ ]~ S
zb 【大小写转换】
nf:wJ-;* HttpUtility.HtmlEncode(string);
rg]z HttpUtility.HtmlDecode(string)
!.4q{YWcYk J @IKXhb7_ 19.如何设定全局变量
*xKy^f R+/kx#^ Global.asax中
V{\1qg{ T$;BZ=_ Application_Start()事件中
M~Er6Zg R4zOiBi'B 添加Application[属性名] = xxx;
Z]5xy_La `>lY$EBG@[ 就是你的全局变量
wNNg"}&P 77]lpmC 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
tZ*>S]qD lACS^( HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
kn`O3cW/ {7 ](- 【ASPNETMENU】点击菜单项弹出新窗口
`dl^)4J SK*<H~2 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
P$@:T[}v <?xml version="1.0" encoding="GB2312"?>
3q6FV7Fv&b <MenuData ImagesBaseURL="images/">
>rYMOC~ <MenuGroup>
f Avh!g <MenuItem Label="内参信息" URL="Infomation.aspx" >
_BCq9/ <MenuGroup ID="BBC">
!QME!c>*$ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
GNW.n(a <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
@f,/ K1k ......
)U8=-_m ZK<c(,oZ^ 最好将你的aspnetmenu升级到1.2版
SWT)M1O2 \vpX6!T 21.读取DataGrid控件TextBox值
f>Tn#OW foreach(DataGrid dgi in yourDataGrid.Items)
muhu`
k`C {
-f?,%6(1 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
wawJZ+V tb.Text....
lt\Bm<"z!1 }
&F'n
>QT9q M`)3(|4 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?
EQ"+G[j~x f/m0,EERk 〖思归〗
uw@-.N^ <asp:TemplateColumn HeaderText="数量">
fEGnI\ <ItemTemplate>
Tv|iCYB? <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
{T0Au{88H onkeyup="javascript:DoCal()"
lj+&3<E />
'HL.W]( $wl_ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
)t2 eg1a: </ItemTemplate>
c;n\HYk </asp:TemplateColumn>
3,Iu!KB Odw9]`,T <asp:TemplateColumn HeaderText="单价">
}1.'2.<Y <ItemTemplate>
~;t/VsgGW <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
^5k~7F. onkeyup="javascript:DoCal()"
$9W,1wg />
iRV=I, QQ %W3D@ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
w,0OO
f 3 k/X;:,. </ItemTemplate>
hdH3Jb_hl( </asp:TemplateColumn>
FgR9$ is+ FB3}M)G>M <asp:TemplateColumn HeaderText="金额">
Q0g^% <ItemTemplate>
S2#@j#\ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
aeEio;G1 </ItemTemplate>
?0:=+%. </asp:TemplateColumn><script language="javascript">
L3s"L.G function DoCal()
d9 l2mJzW {
bu=RU var e = event.srcElement;
D&DbxTi var row = e.parentNode.parentNode;
`1lGAKv var txts = row.all.tags("INPUT");
uu/2C \n} if (!txts.length || txts.length < 3)
Ve xxdg return;
yMpZ-b$*~ \86NV="U var q = txts[txts.length-3].value;
|:L}/onK var p = txts[txts.length-2].value;
TrQUhmS/! f`[E^zj if (isNaN(q) || isNaN(p))
iAt&927 return;
NFqGbA| U[Lr+nKo\ q = parseInt(q);
_KZTY`/* p = parseFloat(p);
uSH_=^yTQ (N9g6V txts[txts.length-1].value = (q * p).toFixed(2);
.kB!',v\ }
/?V- </script>
$M$-c{>s qTGi9OP6/ gN]\#s@[ ~9@83Cs2 HKVtO%& 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。
O-3a U!L page_load
@]Ac >& page.smartNavigation=true
3KtJT&RuL oFsV0 {x%) 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 ?
ju1B._48 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
fT
YlIT9 {
bas1(/|S for(int i=0;i<e.Item.Cells.Count-1;i++)
vdot . if(e.Item.ItemType==ListItemType.EditType)
g|tclBx {
*n6L3"cO e.Item.Cells.Attributes.Add("Width", "80px")
|<MSV KW }
F!-%v5.y }
Q07&7SH_ FB
%-$ 26.对话框
?}(B8^ private static string ScriptBegin = "<script language=\"JavaScript\">";
N@^:IfJ+= private static string ScriptEnd = "</script>";
,E"n 7*6mr Tl1H2s=G- public static void ConfirmMessageBox(string PageTarget,string Content)
'LR|DS[Ne {
v4XEp
string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
ClNuO QZuKM 'D+ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
h05<1>?| 20I/En Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
&q#.
> ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
^z51f>C //Response.Write(strScript);
?P/73p }
7R5+Q\W 1\g r
;b 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
5<P6PHdY
*U`R<mV\ 1.1 取当前年月日时分秒
AS'+p %( currentTime=System.DateTime.Now;
8isQL bCiyz+VyJn 1.2 取当前年
*;U<b int 年= DateTime.Now.Year;
yD@1H(yM 69`*u<{PC 1.3 取当前月
)"7z'ar
int 月= DateTime.Now.Month;
d\25 #7KR`H 1.4 取当前日
tYhcoV int 日= DateTime.Now.Day;
D
,[yx=' /QQjb4S} 1.5 取当前时
RiFUa
$ int 时= DateTime.Now.Hour;
T`9nY! 6h0}ZM 1.6 取当前分
k$>5v +r0 int 分= DateTime.Now.Minute;
#WS>Z3AY '%YE#1*gH 1.7 取当前秒
_(I)C`8m int 秒= DateTime.Now.Second;
L~RFI&b
<j3|Mh_(I 1.8 取当前毫秒
eHR]qy 0_X int 毫秒= DateTime.Now.Millisecond;
E()%IC/R Ys|SacWC 28.自定义分页代码:
rinTB|5 WQbjq}RfI 先定义变量 :
\[]?9Z=n public static int pageCount; //总页面数
OL_jU2,fv public static int curPageIndex=1; //当前页面
fK2r6D9 T6."j_ 下一页:
) $0>L5d: if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
mu5r4W47 {
HJP~
lg DataGrid1.CurrentPageIndex += 1;
|dDKO curPageIndex+=1;
Ey=}bBx }
X~SNkM "oyBF CW bind(); // DataGrid1数据绑定函数
\xcf<y3_ ~Yc!~Rz 上一页:
D4uAwmc if(DataGrid1.CurrentPageIndex >0)
V^rL {
5=%KK3 DataGrid1.CurrentPageIndex += 1;
?7J::}R curPageIndex-=1;
ap2g^lQXq }
s+z 5"3'n \jmZt*c bind(); // DataGrid1数据绑定函数
eN\+ NEvNj 直接页面跳转:
MSRk|0Mcr int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
yvnDS"0< $PAAmaigi if(a<DataGrid1.PageCount)
!Ce!D0Tx {
.2s^8 g O this.DataGrid1.CurrentPageIndex=a;
*2rc Y
}
zx*D)i5- hljKBx~ bind();
_O;4> )lz~Rt;1i 29.DataGrid使用:
v`]y:Ku|wR >Bu9 D 添加删除确认:
\9uK^oS private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
uPjp5;V {
gXM+N(M- foreach(DataGridItem di in this.DataGrid1.Items)
xA`j:zn'j {
FCWk8/ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
pjs4FZ`Pd; {
?%Ww3cU+J ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
e8#83|h }
<XtE|LG }
/+8VW;4|I }
KY%{'"'u rs( e 样式交替:
fre5{=@ ListItemType itemType = e.Item.ItemType;
pLys%1hg /J&ks>St if (itemType == ListItemType.Item )
+r9neS.l {
"z;R"sv\ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
~"<^4h e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
|lZp5MOc }
~(7ct*U~ else if( itemType == ListItemType.AlternatingItem)
_N)&<'lB< {
1iNMgA e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
=p"ma83 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
p\9}}t7n }
w7&.Uqjf WglpWp) 添加一个编号列:
&%;n9K DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
o*ucw3s> DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
4nQ5zwiV e9tb]sAG for(int i=0;i<dt.Rows.Count;i++)
1ltW9^cF} {
p>#q* eU5 dt.Rows["number"]=(i+1).ToString();
hUuKkUR+Ir }
}`%ks TbN{ex* DataGrid1.DataSource=dt;
,D]g]#Lq DataGrid1.DataBind();
72.Msnn pnyu&@e DataGrid1中添加一个CheckBox,页面中添加一个全选框
~8"oH5 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
ewHs ]V+U {
';c 6 foreach(DataGridItem thisitem in DataGrid1.Items)
?Zsh\^k.g {
^8J`*R8CL ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
6EO@Xf7, }
VX>j2Z' }
5Pxx)F9] zSU,le 将当前页面中DataGrid1显示的数据全部删除
oif|X7H; foreach(DataGridItem thisitem in DataGrid1.Items)
4*Gv0#dga {
41s\^'^& if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
v Y0ESc{ {
8DY:a['-d string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
pek=!nZ Del (strloginid); //删除函数
V*5v
JF0j }
!c1M{klP }
".waCt6 +^&i(7a[? 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)
kS=nH9 dUt4]
ar 在Application_Start中添加以下代码:
F",TP,X Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
",J&UTUh AppSettings["ConnStr"].ToString();
`b] wyP U zc p 31. 变量.ToString()
%KkC1.yu< au/LoO#6Ro 字符型转换 转为字符串
VJT /9O)Z| 12345.ToString("n"); //生成 12,345.00
Y_n3O@, 12345.ToString("C"); //生成 ¥12,345.00
{"%a-*@% 12345.ToString("e"); //生成 1.234500e+004
kh:_,g 12345.ToString("f4"); //生成 12345.0000
3\
,t_6} 12345.ToString("x"); //生成 3039 (16进制)
c@"FV,L> 12345.ToString("p"); //生成 1,234,500.00%
peT91b _ DT,iF*6 32、变量.Substring(参数1,参数2);
bt_c$TN :]]x^wony~ 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);
)S 4RR2Q> :z&kbG 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)
ir>h3Zk <SCRIPT language="javascript">
80'@+AD <!--
X0-PJ-\aD@ function gook(pws)
:vzIc3~c:` {
}LKD9U5;8 frm.submit();
*Egg*2P;"Q }
L8!yP.3 //-->
VltM{-k^ 6)ln,{ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
wet[f {c <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
kGo2R]Dd[ <tr>
_$5DK%M} <td>
w,vnpdT <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
]+3M\ ib <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
\Cj3jg <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
)lJAMZ 5xp c%^B
' <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
\k`9s
q <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
unew
XHA |N"K83_pr </td>
W Zm8!Y czpu^BT;;T </tr>
( $2M"n
DuR9L' </form>
j/=Tj'S?D *($,ay$&H 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
AWx@Z7\z"g k{{3nenAG 下面是获取用户输入的登陆信息的代码:
KV|D]} string name;
*fIn<Cc name=Request.QueryString["EmailName"];
6w;`A9G[YI zow8 Q6f try
V|kN 1
A {
&]RE 5! int a=name.IndexOf("@",0,name.Length);
%=9o'Y,4 f_user.Value=name.Substring(0,a);
X'
5R4j f_domain.Value=name.Substring(a+1,name.Length-(a+1));
IF5-@hag, f_pass.Value=Request.QueryString["Psw"];
UH}lKc=t }
~jzLw@"~$^ :{iH(ae; catch
@48!e-W {
+$nNYD
Script.Alert("错误的邮箱!");
uax0%~O\ Server.Transfer("index.aspx");
5[jS(1a`c }