1. 打开新的窗口并传送参数:
pO-)x:Wg ?h>(&HjWV 传送参数:
Gl3 `e&7 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
ee__3>H"/ SLbavP#G 接收参数:
Y9lbf_51 string a = Request.QueryString("id");
D/NIn=>j string b = Request.QueryString("id1");
?dATMmT- Qe'PAN=B 2.为按钮添加对话框
FQv02V+&< Button1.Attributes.Add("onclick","return confirm(’确认?’)");
q[We][Nrzb button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
R[2[[M i&AXPq>` 3.删除表格选定记录
A
`H]q5d int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Lt#:R\;& string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
]xVL11p 'RN"yMv7l 4.删除表格记录警告
-f
'q private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
)aO!cQ{s {
]J0Y^dM switch(e.Item.ItemType)
b W`)CWd {
'<U[;H9\ case ListItemType.Item :
+eH=;8 case ListItemType.AlternatingItem :
v@<lEG#$"| case ListItemType.EditItem:
9h)P8B.>M TableCell myTableCell;
' ]H#0. myTableCell = e.Item.Cells[14];
QjT#GvHY LinkButton myDeleteButton ;
T!O3( myDeleteButton = (LinkButton)myTableCell.Controls[0];
_cnrGi}T myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
0[3tW[j break;
5,I*F9[3 default:
jAK`96+D~b break;
L2Q p6A6S }
'TEwU0<% kdZ-<O7@ }
PhaQ3% g^|_X1{ 5.点击表格行链接另一页
4<!}4 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=V4_DJ(& {
P St|!GST //点击表格打开
9/^Bj if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Q'V,?# e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
w2mlqy2L }
#v]aT
]} l.LFlwt 双击表格连接到另一页
hJL0M! j^R~ Lt4 在itemDataBind事件中
^SelqX if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
IBsO {
Y)-)NLLG;n string OrderItemID =e.item.cells[1].Text;
N"Nd $4 ...
PT5ni6 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
0.,&B5) }
f0s<Y MLDg).5 双击表格打开新一页
/$N#_Xblr if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
QRc=-Wu_( {
lKD< string OrderItemID =e.item.cells[1].Text;
MjeI?k}LJ ...
"7u"d4h-:( e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
jMN@x]6w }
n"VE!`B !wufoK ★特别注意:【?id=】 处不能为 【?id =】
'%/u103{e 6.表格超连接列传递参数
<EE+
S#z <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Q,+*u%/u <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
k*+ZLrT N`^W*>XB 7.表格点击改变颜色
d}G."wnG9, if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
m##z {
1$!K2=%OXj e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
C4K&flk] this.style.color=’buttontext’;this.style.cursor=’default’;");
YedipYG9; }
#1lS\! LR?#H)$ 写在DataGrid的_ItemDataBound里
)ejqE6'[ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
79fyn!Iz< {
;DWp>jgy e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
D,R2wNF this.style.color=’buttontext’;this.style.cursor=’default’;");
FbT&w4Um= e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
~2qG"1[\ }
5nw9zW
:' aD`e]K ^L "f$A0RL 8.关于日期格式
p%qL0
hA19:H=7R0 日期格式设定
w%u[~T7OI DataFormatString="{0:yyyy-MM-dd}"
V0&QEul /9^0YC;Y* 我觉得应该在itembound事件中
Y2$`o4*3 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
#j5^/*XW oU6g5 9.获取错误信息并到指定页面
!f2>6}hE DcM+K@1E4^ 不要使用Response.Redirect,而应该使用Server.Transfer
+:8YMM#9V Ss/="jC e.g
?(hQZR
0e // in global.asax
\0& (q%c protected void Application_Error(Object sender, EventArgs e) {
+Rd{ ?)2~ if (Server.GetLastError() is HttpUnhandledException)
s'w0pZqj Server.Transfer("MyErrorPage.aspx");
O/"&?)[v Bd[}A9O[ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
U9OF0=g }
L(rjjkH d$
7b 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
$e\R5Lu Vp94mi#L} 10.清空Cookie
hkc_>F]Hx Cookie.Expires=[DateTime];
1Tkdr2 Response.Cookies("UserName").Expires = 0
jC7XdYp tq93 2M4 11.自定义异常处理
5qko`r@# //自定义异常处理类
t:n|0G( using System;
8eLL using System.Diagnostics;
Q&;qFv5-l 06O namespace MyAppException
40ZB;j$l {
t0(hc7` /// <summary>
!(o2K!v0 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
wAPdu y[ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
w+D5a
VJ /// </summary>
zvg&o)/[ public class AppException:System.ApplicationException
)QT+;P. {
14zzWzKx public AppException()
6<6_W# {
EeJ]>
1 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
],4LvIPD }
exvsf| 0^^i=iE-u public AppException(string message)
548BM^^"r {
Z2
4 m LogEvent(message);
g?sFmD }
g#*N@83C omu&:)
g public AppException(string message,Exception innerException)
W=:+f)D {
\x}UjHYIc& LogEvent(message);
Uk4">]oct if (innerException != null)
&n
wg$z{Y {
;C%EF LogEvent(innerException.Message);
J>Ha$1}u/ }
&B
C#u.^! }
03T.Owd zKr(Gt8 //日志记录类
7\lb+^$ using System;
[OSUARm
v using System.Configuration;
CTYkjeej using System.Diagnostics;
?0X.Ith^. using System.IO;
lB-7. using System.Text;
)2S\:&x using System.Threading;
T~Cd=s(T" ?9cy5z[ namespace MyEventLog
-M}iDBJx># {
E%N]t} }[ /// <summary>
TPuzL(ws /// 事件日志记录类,提供事件日志记录支持
4j5 "{ /// <remarks>
sBMHf9u /// 定义了4个日志记录方法 (error, warning, info, trace)
+Gko[< /// </remarks>
fz*6 B NJ /// </summary>
&[uGfm+@ public class ApplicationLog
8*X8U:.0o {
S6
*dp68 /// <summary>
=*I9qjla[? /// 将错误信息记录到Win2000/NT事件日志中
.xx9tP}Xy /// <param name="message">需要记录的文本信息</param>
<Coh
&g_ /// </summary>
(0r6_8e6xv public static void WriteError(String message)
x,+zw9 {
hpU7 WriteLog(TraceLevel.Error, message);
vjb{h'v }
I5mS!m/X dj#<,e\ /// <summary>
fi1UUJ0
U; /// 将警告信息记录到Win2000/NT事件日志中
SL*(ZEn" /// <param name="message">需要记录的文本信息</param>
i \~4W$4I /// </summary>
%Vq@WF public static void WriteWarning(String message)
_
i8}ld- {
he,T\}; WriteLog(TraceLevel.Warning, message);
4Hw8w7us: }
PuWF:'w r 6m9Z5:xG /// <summary>
tF4"28"h /// 将提示信息记录到Win2000/NT事件日志中
uv$y"1'g /// <param name="message">需要记录的文本信息</param>
=B\?( /// </summary>
GZ"O%:d public static void WriteInfo(String message)
X!m/I
i$q {
Kxq~,g=t WriteLog(TraceLevel.Info, message);
ji "*=i }
/CP1mn6H /// <summary>
{r"HR%*u /// 将跟踪信息记录到Win2000/NT事件日志中
{pqm&PB04 /// <param name="message">需要记录的文本信息</param>
e>[QF+e)y /// </summary>
yR&E6o.$z public static void WriteTrace(String message)
j JW0a\0 {
M:A7=rO~ WriteLog(TraceLevel.Verbose, message);
TSOt$7- }
I$YF55uB z;-2xD0&U[ /// <summary>
Ut<_D8Tzx /// 格式化记录到事件日志的文本信息格式
$ysC)5q. /// <param name="ex">需要格式化的异常对象</param>
3Cpix,Dc /// <param name="catchInfo">异常信息标题字符串.</param>
hod|o1C& /// <retvalue>
']V 2V)t /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
oD.f/hi0| /// </retvalue>
[bAv|; /// </summary>
`Tab'7 public static String FormatException(Exception ex, String catchInfo)
(t <Um
Vd {
Tsa&R:SE StringBuilder strBuilder = new StringBuilder();
SkY|.w. if (catchInfo != String.Empty)
W>Zce="_gN {
@>BFhH strBuilder.Append(catchInfo).Append("\r\n");
_vad>-=D*U }
I)6)~[:' strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
$
_ gMJ\{ return strBuilder.ToString();
,+2ytN* }
Ih.o;8PpK "kMpa]<c-6 /// <summary>
)UWE.oBI /// 实际事件日志写入方法
^CX~>j\( /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
ZI1[jM{4^F /// <param name="messageText">要记录的文本.</param>
`jP6;i /// </summary>
vsc&$r3!5{ private static void WriteLog(TraceLevel level, String messageText)
=!7yX;| {
$Cte$jg{; try
x
ha!.&DO {
x;ujR< EventLogEntryType LogEntryType;
/q8n_NR switch (level)
0%vXPlfnY {
$L?stgU case TraceLevel.Error:
mI}'8. LogEntryType = EventLogEntryType.Error;
tvI~?\Ylj break;
)5hS;u&b case TraceLevel.Warning:
pmfyvkLS LogEntryType = EventLogEntryType.Warning;
m@OgT<E]_ break;
N~SG=\rP;o case TraceLevel.Info:
9^`G `D LogEntryType = EventLogEntryType.Information;
N1_nBQF ) break;
Q&yfl case TraceLevel.Verbose:
aVd{XVE LogEntryType = EventLogEntryType.SuccessAudit;
F`f#gpQ break;
*Bc=gl$ default:
i4AmNRs LogEntryType = EventLogEntryType.SuccessAudit;
P*G&pitT break;
kpEES{f }
>pr{)bp G Si!W@Jm EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
w+ bMDp //写入事件日志
]kR 93 eventLog.WriteEntry(messageText, LogEntryType);
U1dz:OG> ,_p_p^Ar\4 }
]ZZ7j catch {} //忽略任何异常
JTrxh] }
6X)8vQH } //class ApplicationLog
4u A;--j }
g {wDI7"<q JeuW/:Wv 12.Panel 横向滚动,纵向自动扩展
&`{%0r[UD# <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
87y$=eZ Jo_h?{"L{ 13.回车转换成Tab
?:~ `? <script language="javascript" for="document" event="onkeydown">
sy4$!,W: if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
u[y>DPPx event.keyCode=9;
W +C\/ </script>
R/U"]Rc PoQ@9
A onkeydown="if(event.keyCode==13) event.keyCode=9"
u.R:/H<>~ OE WIP 14.DataGrid超级连接列
mq>Ag DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
"@DCQ W.{#Pg1Da 15.DataGrid行随鼠标变色
XswEAz0= private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(q*Za {
,:j^EDCsaJ if (e.Item.ItemType!=ListItemType.Header)
oljl&tuQy {
p<tj6O e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
}fUV*U:3 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
7'd_]e-. }
$U3s:VQ ' }
Xfk&{zO-j xqX~nV#TB 16.模板列
}>fL{};Z" <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
4,
8gf2 <ITEMTEMPLATE>
mbU[fHyV <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
&$|k<{j[<f </ITEMTEMPLATE>
Cj,fP[p#7 </ASP:TEMPLATECOLUMN>
ZI-)' USfOc <ASP:TEMPLATECOLUMN headertext="选中">
Z'hW;^e%_z <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
BB>3Kj:| <ITEMTEMPLATE>
e=QnGT*b5 <ASP:CHECKBOX id="chkExport" runat="server" />
K'7i$bl% </ITEMTEMPLATE>
{C[<7ruF <EDITITEMTEMPLATE>
mS6L6)] S <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
OANn!nZ. </EDITITEMTEMPLATE>
P.=&:ay7? </ASP:TEMPLATECOLUMN>
JEGcZeq) Wl?*AlFlk 后台代码
@?f3(Gh, protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
[?yOJU%` {
gs7H9%j{U //改变列的选定,实现全选或全不选。
vH9/}w2 CheckBox chkExport ;
Lr V)}1&5 if( CheckAll.Checked)
/!ux P~2U {
!zVuO*+ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Ay22-/C|@ {
7?dB&m6W chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
n@Y`g{{e~ chkExport.Checked = true;
;XRLp:y }
|U>BXX P }
=AUR]&_B else
;spuBA)[X {
n(0O'nS^ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
rX)PN3TD {
: DCj2" chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
pTX{j=n! chkExport.Checked = false;
/|bir6Y: }
"n=`{~F }
xzbyar< }
l!EfvqWX ,0[bzk 17.数字格式化
oOnk,U bBb$0HOF 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
O
sbY}*S <%#Container.DataItem("price","{0:¥#,##0.00}")%>
AM#VRRTU h)~KD% int i=123456;
Yy@;U]R string s=i.ToString("###,###.00");
a{mtG{Wc VX2KE@ 18.日期格式化
1.4]T, ` b,cA mZ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
'RC(ss1G =;9Wh!{ 显示为: 2004-8-11 19:44:28
Y7zg s0~a5Ti3 我只想要:2004-8-11 】
r=~yUT <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
x;?4A J{ D\jRF-z 应该如何改?
.R#p<"$I j*Ta?'* 【格式化日期】
(dLt$<F c 5+oP j 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
pej/9{*xg( b54<1\& 【日期的验证表达式】
?kI-o0@O. +^iUY%pm A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
By]XD~gcP ^((\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})))?$
kOmTji7 [-x~Q[ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
@kenv3[Lc ^\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]))$
a]>gDDF 7<<pP 【大小写转换】
;O}%_ef@ HttpUtility.HtmlEncode(string);
bjmUU6VLT HttpUtility.HtmlDecode(string)
Ia=wf"JS)
V<$g^Vb 19.如何设定全局变量
bc}U &X< vRpMZ)e Global.asax中
vQ#$.*Cvn ; =ai]AYW Application_Start()事件中
nU- .a5 H[wJ; l 添加Application[属性名] = xxx;
Qx1ZxJz # cpF\^[D 就是你的全局变量
'>^+_|2 fIu5d6;' 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
9OuK}Ssf hPE#l?H@A HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
y\$B9KX ~}q"M[{ 【ASPNETMENU】点击菜单项弹出新窗口
N)K};yMf >Vy=5)/i 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
o3 P`y:& <?xml version="1.0" encoding="GB2312"?>
QrDzfe[ <MenuData ImagesBaseURL="images/">
Kn SXygT <MenuGroup>
QXY-?0RO# <MenuItem Label="内参信息" URL="Infomation.aspx" >
};o6|e:2E <MenuGroup ID="BBC">
1mm/Ssw:C <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
OmQSNU.our <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
UO47XAO ......
TG8QT\0G UTGR{>=> 最好将你的aspnetmenu升级到1.2版
IHZ WNT2 7Vr .&`l 21.读取DataGrid控件TextBox值
G(~d1%( foreach(DataGrid dgi in yourDataGrid.Items)
M=HW2xn {
" ^u TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
DmEmv/N= tb.Text....
s-Q-1lKV, }
tSV}BM, LzB)o\a 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?
]:(>r&' :WIbjI= 〖思归〗
!MSz%QcO <asp:TemplateColumn HeaderText="数量">
=unMgX]$ <ItemTemplate>
TOdH <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
.7++wo!, onkeyup="javascript:DoCal()"
O`~G'l&@T />
ck>|p09q'9 5V!L~# <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
TS^(<+' </ItemTemplate>
jz
QmYcd </asp:TemplateColumn>
7}(wEC lEIX,amwa <asp:TemplateColumn HeaderText="单价">
](a*R <ItemTemplate>
M8X*fYn <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
/ tM<ois* onkeyup="javascript:DoCal()"
K++pH~o />
$,otW2:) %_;q<@9) <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
\u?z:mV ;W]NT4p </ItemTemplate>
Ck8`$x&t </asp:TemplateColumn>
3P 3x^NI H$zjN8||" <asp:TemplateColumn HeaderText="金额">
(C*G)Aj7 <ItemTemplate>
?vPw I <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
jv>l6) </ItemTemplate>
FiMP_ y*S </asp:TemplateColumn><script language="javascript">
"2;$?*hO# function DoCal()
%Ez%pT0TQ# {
O|m-Uz"+ var e = event.srcElement;
3.U5Each- var row = e.parentNode.parentNode;
zB/$*Hd var txts = row.all.tags("INPUT");
sJg-FVe2 if (!txts.length || txts.length < 3)
uy)iB'st& return;
>DVjO9Kf u4bPj2N8I var q = txts[txts.length-3].value;
(2(I|O# var p = txts[txts.length-2].value;
htk5\^(X 85Zy0l if (isNaN(q) || isNaN(p))
28JWQ%- return;
&1YAPxX A]`63@- . q = parseInt(q);
wr,X@y%(! p = parseFloat(p);
i`Fg kABw 4N&
VT" txts[txts.length-1].value = (q * p).toFixed(2);
|(N4ZmTm }
*X8<hYKZq </script>
2LGeRw oRFHq>-.g >i7zV`eK ]S9~2;2^, kKAK;JQ 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\YTA page_load
J7W]Str page.smartNavigation=true
+C1/02ZJ eyBLgJt8P 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 ?
pqFgi_2m private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
h~{TCK+I {
sCU<1=
for(int i=0;i<e.Item.Cells.Count-1;i++)
z1wy@1o' if(e.Item.ItemType==ListItemType.EditType)
3$[!BPLFO {
:"7V,UP
@ e.Item.Cells.Attributes.Add("Width", "80px")
9iGUE }
^d Fdw\ }
ag^EH"%zw r7o63] 26.对话框
G/>upnA{w private static string ScriptBegin = "<script language=\"JavaScript\">";
5VdF^.:u private static string ScriptEnd = "</script>";
:\9E%/aAD sYM3&ikyHI public static void ConfirmMessageBox(string PageTarget,string Content)
DcaVT]" {
O`5PX(J1& string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
U1G"T(;s: u!?cKZw ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
s9svuFb 0G ^73Z Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Cp=DdmR ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
>Pj ?IE6 //Response.Write(strScript);
v?BX 4FO }
hZf0q 2 (@@t,\iF 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
S"0<`{Gv 3<sYxA\?w 1.1 取当前年月日时分秒
pE<dK.v6 currentTime=System.DateTime.Now;
pe$"
nUy| \)'s6>58| 1.2 取当前年
ts/rV#s~ int 年= DateTime.Now.Year;
FB-?{78~ jPU:&1(_ n 1.3 取当前月
$,Y\ int 月= DateTime.Now.Month;
!4TM gM mu`h6?v 1.4 取当前日
C"no>A^ int 日= DateTime.Now.Day;
udVEOn$ |n3fAN 1.5 取当前时
tQE=c7/M int 时= DateTime.Now.Hour;
6=A NwbB\Wl 1.6 取当前分
k2DT+}u7G int 分= DateTime.Now.Minute;
19O /Q,9 MLg+ 9y 1.7 取当前秒
p+#$S4V int 秒= DateTime.Now.Second;
:@#'&(#~ G6wBZ?)k 1.8 取当前毫秒
r(-`b8ZE int 毫秒= DateTime.Now.Millisecond;
0mk-o %K[_;8 28.自定义分页代码:
I:M]#aFD 6qg_&woJ3 先定义变量 :
0.C[/ u[ public static int pageCount; //总页面数
dnt: U!TW@ public static int curPageIndex=1; //当前页面
AX3iB1):K !\w@b`Iv8 下一页:
I?c "\Fe if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
kSj,Pl\NC {
?EQ]f34 DataGrid1.CurrentPageIndex += 1;
EwDFU K curPageIndex+=1;
V9\g?w }
Z9TmX
A@ 9NX f~-V- bind(); // DataGrid1数据绑定函数
2k}~"!e1 yop,%Fe 上一页:
Ve\^(9n if(DataGrid1.CurrentPageIndex >0)
'jh9n7mH {
[~e{58}J| DataGrid1.CurrentPageIndex += 1;
WgX9k J curPageIndex-=1;
kU^*hd] }
K. [2uhB) Xm,w.|dx bind(); // DataGrid1数据绑定函数
1KwUp0%& iV<4#aBg 直接页面跳转:
1_$ybftS int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
_0^f %%`Q5I if(a<DataGrid1.PageCount)
/J{
e_a {
z Ic%>?w this.DataGrid1.CurrentPageIndex=a;
#+dF3]X(& }
AmYqrmJ A/ppr. bind();
RMJq9a
lS<T|:gz@ 29.DataGrid使用:
@BCws) ~1e?9D 添加删除确认:
Z,~Bz@5`" private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
W
&wqN {
^APPWQUl foreach(DataGridItem di in this.DataGrid1.Items)
vX|i5P0)8 {
0'&N?rS if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
h\C" ti2 {
%T9'dcM ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
fsd,q?{a: }
J3/2>N]/} }
!F]7q]g }
`-Yo$b;: z*,P^K 0T 样式交替:
rBNl%+ sB ListItemType itemType = e.Item.ItemType;
?X{ul
)Pr*\<Cld if (itemType == ListItemType.Item )
,EhQTVJ {
HCj/x<*F e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
J*V@huF e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
rqa?A}' }
q u>5 rg- else if( itemType == ListItemType.AlternatingItem)
EPO*{bN7O {
Tgxxm e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
.FV
wZ:d e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
t<sy7e=' }
N=4`jy = QN!.~> 添加一个编号列:
1 /@lZ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
g+CTF67 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
::'DWD1 uh,~CvXU] for(int i=0;i<dt.Rows.Count;i++)
>wsS75n1 {
FUy!j|W6f dt.Rows["number"]=(i+1).ToString();
2AN6(k4o }
ruqx#]- 1E3'H7k\t DataGrid1.DataSource=dt;
B^8]quOH DataGrid1.DataBind();
y9<]F6TT <$m=@@qg DataGrid1中添加一个CheckBox,页面中添加一个全选框
HI+87f_Q private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
c{7<z9U {
.Y@)3 foreach(DataGridItem thisitem in DataGrid1.Items)
w?u4-GT {
a+wc"RQ
| ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
,V$PV,G }
G3 h&nH,> }
wXj!bh8\r 0LQ|J(u 将当前页面中DataGrid1显示的数据全部删除
J})#43P foreach(DataGridItem thisitem in DataGrid1.Items)
b
\pjjb[ {
mv%Zh1khn/ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
'ju {
e-@=QI^, string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
oXKH,r Del (strloginid); //删除函数
ZmT
N }
s]=bg+v?j }
>J!J: Mv\odf\] 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)
,gdf7&r pxj}%LH 在Application_Start中添加以下代码:
s#f6qj Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
I@sXmC2$\ AppSettings["ConnStr"].ToString();
CqF=5z:A ]m ED3# 31. 变量.ToString()
4JOw@/nE ZW+[f$X 字符型转换 转为字符串
<4DSk9/ 12345.ToString("n"); //生成 12,345.00
4KO2oIR 12345.ToString("C"); //生成 ¥12,345.00
kTCWyc 12345.ToString("e"); //生成 1.234500e+004
Kr;7~`$[ 12345.ToString("f4"); //生成 12345.0000
:#yjg1aej 12345.ToString("x"); //生成 3039 (16进制)
_1<zpHp 12345.ToString("p"); //生成 1,234,500.00%
G{4~{{tI F0&BEJBkU 32、变量.Substring(参数1,参数2);
RA5*QW
;c>Co:W 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);
PP+-D~r`} 0u,OW 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)
fe,A\W&8 <SCRIPT language="javascript">
Y(:.f-Du <!--
P5&mpl1 function gook(pws)
ss8de9T"' {
/CXrxeo frm.submit();
PA=.)8 }
9lT6fW`v1Q //-->
ZD)pdNX /Dh[lgF0C </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
n_8wYiBs( <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
$
N7J:Q <tr>
rSGt`#E-s. <td>
GQU9UXe <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
/.?m9O^
F <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
DA0{s <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
OJ2O?Te8 d&!ZCq#_e <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
FN-j@ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
]GSs{'UhB !'ylh8} </td>
Ru1I,QvCj" U}r^M(
s! </tr>
g{]C@,W uU7s4oJ| </form>
h` 1{tu j|WuOZm\0 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。
ISp'4H7R+N G:n,u$2a< 下面是获取用户输入的登陆信息的代码:
/^BaQeH?R string name;
9PpPAF name=Request.QueryString["EmailName"];
LTSoo.dE 'Z<V(;W try
btQDG {
:RYh@. int a=name.IndexOf("@",0,name.Length);
z /
YF7wrx f_user.Value=name.Substring(0,a);
m/2LwN f_domain.Value=name.Substring(a+1,name.Length-(a+1));
EPY64{ f_pass.Value=Request.QueryString["Psw"];
dWg09 sx }
#D{jNSB 319 &: catch
L} >XH* {
im}= Script.Alert("错误的邮箱!");
AbWnDqv Server.Transfer("index.aspx");
jK#[r[q{ }