1. 打开新的窗口并传送参数:
+Oxw?`I$ '}$]V>/ 传送参数:
r(qwzUI response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
6y0CEly>3# VoG_'P 接收参数:
OTy{:ID string a = Request.QueryString("id");
R(t1Ei.-? string b = Request.QueryString("id1");
;L`NF" gRsV-qS 2.为按钮添加对话框
hD*83_S Button1.Attributes.Add("onclick","return confirm(’确认?’)");
w%2|Po5 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
.`ZuUr 6P$jMjs 3.删除表格选定记录
uUIjntSF( int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
1#w'<}h#U string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
7=wPd4
,%^qzoZnT 4.删除表格记录警告
>?L)+*^ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
D!g\-y {
7;8DKY q switch(e.Item.ItemType)
[Dq@(Q s' {
hJc^NU5 case ListItemType.Item :
;5dA case ListItemType.AlternatingItem :
bxc!x>) case ListItemType.EditItem:
SuJa?VU1w TableCell myTableCell;
7*MjQzg-P myTableCell = e.Item.Cells[14];
\D5_g8m:
LinkButton myDeleteButton ;
F?c:
).g myDeleteButton = (LinkButton)myTableCell.Controls[0];
xoB "hNIX myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
/EvnwYQy break;
IW>\\&pJ default:
K%@#a}kRb break;
Ib}~Q@?2 }
IM(=j S-7ryHH*0 }
_(_U= By;{Y[@rS 5.点击表格行链接另一页
.
g8WMm private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{P7 I<^, {
k:yrh:JhB //点击表格打开
C"cBlru8B if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.4%6_`E e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
3E$h
W }
y,F|L?dIq ;\],R.! 双击表格连接到另一页
(L
8V)1N ] <y3;T\~ 在itemDataBind事件中
3d;w\#?L; if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
/4Sul*{hc {
08W^ string OrderItemID =e.item.cells[1].Text;
w:|YOeP ...
;kLp}CqV e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
1
F+$\fLr }
k%K\~U8" O|e/(s?$ 双击表格打开新一页
W*Gp0pX if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
N
6t `45 {
m^%Xl@V:c- string OrderItemID =e.item.cells[1].Text;
@~j--L ...
OlcWptM$ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
rhH !-`m }
M1,1J-h s g6e%
5 ★特别注意:【?id=】 处不能为 【?id =】
hNL_e3 6.表格超连接列传递参数
J]gtgt^ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
ZK?:w^Z <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
j=V2~
xA6 V5up/ 6b,1 7.表格点击改变颜色
3BK_$Fy if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
&B@qb?UE1 {
)#0Llx! e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
e)Pm{:E this.style.color=’buttontext’;this.style.cursor=’default’;");
fK1^fzV }
Vd+5an? &^JYIRn1\ 写在DataGrid的_ItemDataBound里
ibxtrt= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
yiAusl; {
lFc4| _c g e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
z\6/?5D#v this.style.color=’buttontext’;this.style.cursor=’default’;");
L.$+W} e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Mw{skK>b }
wg{Y6XyH Mb\[` 4z />[~2d
kb 8.关于日期格式
vy{YGT x5YHmvy/l 日期格式设定
S+M:{<AR DataFormatString="{0:yyyy-MM-dd}"
tOVYA\] QMBV"E_aY 我觉得应该在itembound事件中
ghVxcK e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
,}HnS)+ od`:w[2\ 9.获取错误信息并到指定页面
z!
DD'8r> Xb5$ijH 不要使用Response.Redirect,而应该使用Server.Transfer
;h#nal>w@S ((E5w:=? e.g
5%%A2FrB.S // in global.asax
s[tFaB 1 protected void Application_Error(Object sender, EventArgs e) {
1`@rAA>h' if (Server.GetLastError() is HttpUnhandledException)
~8^)[n+)x Server.Transfer("MyErrorPage.aspx");
*
~4m!U_s qkh.?~ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
!|;w(/ }
2apQ4)6#[H i'NN 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
Tx0l^(n K}YOs. 10.清空Cookie
; J40t14u Cookie.Expires=[DateTime];
V[BlT|t Response.Cookies("UserName").Expires = 0
)`gE-udR $C ?G7Vs 11.自定义异常处理
bmu<V1[W //自定义异常处理类
,';+A{aV using System;
bcy(
?( using System.Diagnostics;
C@q&0\HN Mb[4G>-v= namespace MyAppException
>6cENe_@t {
:fE*fU@ /// <summary>
`<kV)d%xEF /// 从系统异常类ApplicationException继承的应用程序异常处理类。
"K*+8IO2 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
26\*x /// </summary>
8L}N,6gC4_ public class AppException:System.ApplicationException
X>6VucH{\ {
g+iV0bbT public AppException()
`%M}
:T {
QWWoj[d# if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
!WReThq }
h8uDs|O9n u:7=Yy
: public AppException(string message)
DUK.-|a7 {
ALY%
h!L LogEvent(message);
c&T14!lfn }
|~3$L\X Q`X5W public AppException(string message,Exception innerException)
m%?b"kxL[ {
kg_f;uk+ LogEvent(message);
C'$}!p70 if (innerException != null)
_*w}"\4_ {
K\GIh8L LogEvent(innerException.Message);
5"JnJH }
MB,P#7| }
07dUBoq ,.+"10=N. //日志记录类
TAu*lL(F using System;
Ev\kq>2O using System.Configuration;
umWZ]8 using System.Diagnostics;
7F{=bL using System.IO;
WsCzC_'j. using System.Text;
^2PQ75V@. using System.Threading;
+6*
.lRA <.<Q.z namespace MyEventLog
N#`aVW'{v2 {
.iL_3:6f /// <summary>
7" wn024 /// 事件日志记录类,提供事件日志记录支持
!OJSQB, /// <remarks>
'k9hzk(* /// 定义了4个日志记录方法 (error, warning, info, trace)
;Q.g[[J/p /// </remarks>
$PQlaivA /// </summary>
*X^__PS] public class ApplicationLog
\..(!>,%F {
It\ob7n /// <summary>
fV.43E /// 将错误信息记录到Win2000/NT事件日志中
6)eU &5z1? /// <param name="message">需要记录的文本信息</param>
}PY?
ZG /// </summary>
g loo].z public static void WriteError(String message)
Gr;~P* {
\[+\JWJj WriteLog(TraceLevel.Error, message);
"Rp ]2'? }
dkQA[/k :6z0Ep" /// <summary>
: |c,.uO /// 将警告信息记录到Win2000/NT事件日志中
@zJ#16Vi /// <param name="message">需要记录的文本信息</param>
ku'%+svD /// </summary>
32IN;X| public static void WriteWarning(String message)
u0J+Nj9 {
o /fq WriteLog(TraceLevel.Warning, message);
*X;g
Y }
GZc%* G\H@lFh /// <summary>
@$79$:q N /// 将提示信息记录到Win2000/NT事件日志中
(t9qwSS8z /// <param name="message">需要记录的文本信息</param>
{fMrx1 /// </summary>
o+O\VNW public static void WriteInfo(String message)
8[FC {
FK#>E[[ WriteLog(TraceLevel.Info, message);
[21tT/ }
Iq\sf-1E /// <summary>
XY|-qd}A /// 将跟踪信息记录到Win2000/NT事件日志中
b['TRYc=: /// <param name="message">需要记录的文本信息</param>
,9#G/nF /// </summary>
ANCgch\ public static void WriteTrace(String message)
{Pg7IYjH {
7q|(ZZa WriteLog(TraceLevel.Verbose, message);
DZXv3gnX }
Z<r&- !z |"P5%k#6^> /// <summary>
&fj&UBA /// 格式化记录到事件日志的文本信息格式
C({L4O#?o /// <param name="ex">需要格式化的异常对象</param>
kkrQ;i)Z /// <param name="catchInfo">异常信息标题字符串.</param>
zF]hfP0Q /// <retvalue>
@/JGC%! /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
PSHs<Z47 /// </retvalue>
A}\Rms2 /// </summary>
^%d+nKx9nL public static String FormatException(Exception ex, String catchInfo)
3a{QkVeV7 {
hP,1;`[1 StringBuilder strBuilder = new StringBuilder();
wrn[q{dX if (catchInfo != String.Empty)
h3p 3~xq {
kQIWDN strBuilder.Append(catchInfo).Append("\r\n");
fINM$ 6 }
[-$&pB>w8' strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
&nn.h@zje return strBuilder.ToString();
%4L|#^7: }
;lAz@jr+ eOn,`B1 /// <summary>
-r-`T
s /// 实际事件日志写入方法
XpH[SRUx /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
de1& /// <param name="messageText">要记录的文本.</param>
i}<R>]S /// </summary>
s !8]CV> private static void WriteLog(TraceLevel level, String messageText)
]hvB-R16f {
+n MgQOs try
v&XG4 & {
4g1u9Sc0 EventLogEntryType LogEntryType;
K)Db3JIIk switch (level)
fJE ki>1 {
K?T)9 case TraceLevel.Error:
'*3+'> LogEntryType = EventLogEntryType.Error;
iMp)g%Ng break;
A{6ZEQAh> case TraceLevel.Warning:
5Ll[vBW LogEntryType = EventLogEntryType.Warning;
%k$C break;
dIO\ lL
case TraceLevel.Info:
9$DVG/ LogEntryType = EventLogEntryType.Information;
RL&3 P@r break;
%q*U[vv case TraceLevel.Verbose:
nLtP^
1~9H LogEntryType = EventLogEntryType.SuccessAudit;
1C$^S]v%a break;
6xFZv
t default:
(tq)64XVz LogEntryType = EventLogEntryType.SuccessAudit;
b vu` = break;
yl'~H;su }
W: ?-d{ ZTmdS EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
',!#?aGV //写入事件日志
v8%]^` ' eventLog.WriteEntry(messageText, LogEntryType);
e#'`I^8l ,Fr{i1Ky }
-~(0:@o ; catch {} //忽略任何异常
&6\rKOsn }
y
ph } //class ApplicationLog
fRa1m?%s }
ldX]A#d. J)fS2Ni+ 12.Panel 横向滚动,纵向自动扩展
]owH [wvX <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
A:NY:#uC >Le
mTr 13.回车转换成Tab
Dea;9O <script language="javascript" for="document" event="onkeydown">
e8lF$[i if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Xj-3C[8@ event.keyCode=9;
y~luuV;uj </script>
@W @L%< g{J3Ba onkeydown="if(event.keyCode==13) event.keyCode=9"
B)-S@.u |M
K-~ep 14.DataGrid超级连接列
)@Zel.XD DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
"7<4NV@yQ yQx>h6 15.DataGrid行随鼠标变色
;:!LAe
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#SqOJX~Q {
tRv#%>fj if (e.Item.ItemType!=ListItemType.Header)
XW#4C*5?d {
[]2GN{m e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
z H \*v' e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
nu3 A'E`'k }
'QV4=h` }
}%1E9u AjlG_F 16.模板列
YT:1=Nf} <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
'Aqmf+Mm <ITEMTEMPLATE>
~*[}O)7# <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
NPc%}V&C(u </ITEMTEMPLATE>
iK#{#ebAoW </ASP:TEMPLATECOLUMN>
_N]yI0k( 9]YmP8 <ASP:TEMPLATECOLUMN headertext="选中">
cQ8:;-M <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\ D[BRE+ <ITEMTEMPLATE>
Qxvz}r.l] <ASP:CHECKBOX id="chkExport" runat="server" />
QAJ>93 </ITEMTEMPLATE>
B#DV<%GPl <EDITITEMTEMPLATE>
GS,pl9#V_ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
vn_avYwiy </EDITITEMTEMPLATE>
~J2Q0Jv </ASP:TEMPLATECOLUMN>
*@ o3{0[Z 1=D!C lcb 后台代码
g/@C ESfm' protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
67g/(4 & {
PT4`1Oy}/1 //改变列的选定,实现全选或全不选。
7RLh#D| CheckBox chkExport ;
Qpc{7#bp if( CheckAll.Checked)
~8X'p6 {
kU
Flp foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
ec0vg.>p {
UEe qk"t^ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
bCrB'&^t chkExport.Checked = true;
2<O8=I _ }
ES~]rPVS }
|}}]&:w2 else
J91`wA&r {
g\.N>P@Bu foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
/f[_]LeV] {
zXD@M{ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
4[ra chkExport.Checked = false;
?gtkf[0B| }
fkG8,= }
oN$ZZk
R }
(NQ[AypMI mOB\ `&h5 17.数字格式化
Lv4=-mWv&0 <(MFEIt 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
_"bx#B* <%#Container.DataItem("price","{0:¥#,##0.00}")%>
d5\1-d_uz ~V&ReW/ int i=123456;
'YG`/@n; string s=i.ToString("###,###.00");
5Z[D(z J$Q-1fjj 18.日期格式化
EyeLC6u HA%ye"(y8 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Esjv^* v9- M($},xAvDU 显示为: 2004-8-11 19:44:28
>
95Cs`>d i/~J0qQ 我只想要:2004-8-11 】
P Cf|^X#B <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
wl%1B64
NIfc/% 应该如何改?
#dft-23 JK(&E{80 【格式化日期】
_:L*{=N K)?^b|D 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
xD=D *W rYJ))@ 【日期的验证表达式】
JdHc'WtS!| ,gvX ~k A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
ie!4z34 ^((\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})))?$
W!k6qTz) }D^Gt) B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
#+;=ijyF ^\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]))$
taQ[>x7b 6`C27 【大小写转换】
7|-xM>L$A HttpUtility.HtmlEncode(string);
WI6E3,ejB1 HttpUtility.HtmlDecode(string)
rd))H WGmCQE[/c 19.如何设定全局变量
o zYI/b^ Pb,^UFa= Global.asax中
>{S $0D =oME~oB~ Application_Start()事件中
i[pf*W0g /aqN` 添加Application[属性名] = xxx;
)ta5y7np
6dL>Rzl$Dk 就是你的全局变量
ry
?2 o! @:&+wq_>A^ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
O[y`'z;C C=IH#E= HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
?C:fP`j: l5[xJH 【ASPNETMENU】点击菜单项弹出新窗口
".%LBs~$ !r*;R\!n2 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
x]oQl^F <?xml version="1.0" encoding="GB2312"?>
p|d9g
^ <MenuData ImagesBaseURL="images/">
=!^iiHF <MenuGroup>
[,^dM:E/ <MenuItem Label="内参信息" URL="Infomation.aspx" >
3ms/v:\ <MenuGroup ID="BBC">
$k ma#7 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
7]%il[ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
(;&?B.<\: ......
yU"G|Ex Ij1]GZ`A( 最好将你的aspnetmenu升级到1.2版
%j">&U.[ p2vBj. *J 21.读取DataGrid控件TextBox值
)6&\WNL-x foreach(DataGrid dgi in yourDataGrid.Items)
pT@!O}'$ {
rcx;3Vne TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
S I7B6c tb.Text....
P|4E1O }
xbC8Amo;8" UD2<!a'T 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?
zD^f%p ["# nq f<NH3i 〖思归〗
k8e"5 he <asp:TemplateColumn HeaderText="数量">
C..2y4bA} <ItemTemplate>
O&w3@9KJ? <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
{@5WeWlz~ onkeyup="javascript:DoCal()"
@$d\5Q(G />
i\;&CzC: `E=rh3 L0o <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
cqY.^f. </ItemTemplate>
xm|4\H&Bg </asp:TemplateColumn>
yH%+cmp7 N&APqT <asp:TemplateColumn HeaderText="单价">
{(}w4.! <ItemTemplate>
=t$mbI <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
SU
O; onkeyup="javascript:DoCal()"
`u~ />
_qt;{,t !X%!7wsc <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Gv,92ny!| 9]@J*A}=l </ItemTemplate>
f WjS) </asp:TemplateColumn>
sNfb %r P9"D[uz <asp:TemplateColumn HeaderText="金额">
#)A?PO2 <ItemTemplate>
ckN(`W,xp <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
$&=;9=" </ItemTemplate>
{]\uR-a(o </asp:TemplateColumn><script language="javascript">
3Ge <G function DoCal()
AKKU-5
B9c {
C.eV|rc@T var e = event.srcElement;
o|qeh<2=x var row = e.parentNode.parentNode;
U.Chf9a- var txts = row.all.tags("INPUT");
*OOa)P{^D if (!txts.length || txts.length < 3)
.8qzU47E return;
EO/cW<uV' RO$@>vL var q = txts[txts.length-3].value;
(
ssH=a var p = txts[txts.length-2].value;
1gShV ]2 8U2wH if (isNaN(q) || isNaN(p))
,eeL5V return;
+%}5{lu_e B N*,!fx q = parseInt(q);
3cfZ!E~^kc p = parseFloat(p);
[wio/wc ).+xcv txts[txts.length-1].value = (q * p).toFixed(2);
t7oz9fSz=? }
rfXF 01I </script>
"UoCT7X ~I\r1Wj; O3C)N
I\i
0Dm`Ek3A7x !
jX+ox 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。
:*P___S= page_load
oyN+pFVB:$ page.smartNavigation=true
ccN &h /cL9?k;o 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 ?
FJjF*2 . private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
h`EH~ W0:z {
;;y@z[ > for(int i=0;i<e.Item.Cells.Count-1;i++)
0^!,[oh6* if(e.Item.ItemType==ListItemType.EditType)
^mgI%_?1 {
R!/,E e.Item.Cells.Attributes.Add("Width", "80px")
4-M6C 5#. }
W}R= }
+wz`_i)! QVSsi
j 26.对话框
-wtTq
ph' private static string ScriptBegin = "<script language=\"JavaScript\">";
p*AP 'cR private static string ScriptEnd = "</script>";
mU?&\w=v$ G{:af:5Fo public static void ConfirmMessageBox(string PageTarget,string Content)
e1`)3-f {
+%e%UF@ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
h2/dhp U-~*5Dd ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
yA!3XUi Y1yXB).AH8 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
f^6&Fb> ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
g`)/ x\ //Response.Write(strScript);
(Y'UvZlM%P }
\2gvp6 E2q B: 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
z6FbM^;; Pa+AF 1.1 取当前年月日时分秒
#"o6OEy$A# currentTime=System.DateTime.Now;
gQI(=in tv@Z5 1.2 取当前年
DV7<n&P int 年= DateTime.Now.Year;
3Y1TQ;i,wQ (!_X:+0_ 1.3 取当前月
r>@ B+Xi int 月= DateTime.Now.Month;
p-T~x$"c| m0BG9~p| 1.4 取当前日
%/tGkS6 int 日= DateTime.Now.Day;
g/U$!d_ uGP[l`f|FQ 1.5 取当前时
u-%r~ } int 时= DateTime.Now.Hour;
OUlxeo/ I*+LJy;j 1.6 取当前分
)I Y 5Y int 分= DateTime.Now.Minute;
XDP6T"h r|\5'ZMx 1.7 取当前秒
%67G]?EXB
int 秒= DateTime.Now.Second;
r{R[[]p w!B,kqTG 1.8 取当前毫秒
)T.pjl int 毫秒= DateTime.Now.Millisecond;
VeNNsg>& vu_>U({.
T 28.自定义分页代码:
=A0"0D{\ =9DhO7I' 先定义变量 :
uS:
A4tN public static int pageCount; //总页面数
?;:9
W public static int curPageIndex=1; //当前页面
Q8;x9o@p
F1?CqN M 下一页:
Ks49$w< if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
d$"G1u~% {
.KiPNTh' DataGrid1.CurrentPageIndex += 1;
B%%.@[o, curPageIndex+=1;
<?>I\ }
ny!lja5[ SQdzEF bind(); // DataGrid1数据绑定函数
O:`GL1{ve? RQj`9F 上一页:
=1{H
Sf if(DataGrid1.CurrentPageIndex >0)
7X9+Qj; {
$I)Tk`= DataGrid1.CurrentPageIndex += 1;
V!pq,!C$v curPageIndex-=1;
sW]yuu!/ }
v F.?] u Vr&el bind(); // DataGrid1数据绑定函数
RR[)UQ vpeq:h 直接页面跳转:
vKU]80T int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
S 0R8'Y [Vrc:%Jk if(a<DataGrid1.PageCount)
;-3h ~k {
wq:b j=j this.DataGrid1.CurrentPageIndex=a;
M(;y~|e }
oTq%wi6 _ 5}-)vsa` bind();
[<en1 "J]f0m= 29.DataGrid使用:
4 o3)* ZfFIX5Qd\ 添加删除确认:
O_r^oH private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
m+D2hK* {
!7:EE,W~ foreach(DataGridItem di in this.DataGrid1.Items)
]iz_w`I\ {
o
:.~X if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
kdK*MUB {
FX7Cjo#=R ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
S_(&UeTC }
|QnUK5D$ }
Qv&T E3 }
ax-=n ( ^;V}l?J_s 样式交替:
QE7+rBa ListItemType itemType = e.Item.ItemType;
96.IuwL*.s SjZd0H0 if (itemType == ListItemType.Item )
3gxf~$)? {
U-Af7qO e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
#t"9TP e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
vqrBRlZ }
M*g2VyZ else if( itemType == ListItemType.AlternatingItem)
u~#%P&3_W {
i:l80 GK e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
httls>:xB| e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
y-E1]4?}) }
S[-.tvI;Q 7,pje j 添加一个编号列:
a='IT 5 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
z{_mEE49 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
20
jrv'f
S 3{Dn for(int i=0;i<dt.Rows.Count;i++)
7ZF}0K$^B {
X?KGb{ dt.Rows["number"]=(i+1).ToString();
Y
h^WTysBn }
2B6^]pSk ,3G$` DataGrid1.DataSource=dt;
.(`(chRa} DataGrid1.DataBind();
cj$,ob&DX -0A@38, } DataGrid1中添加一个CheckBox,页面中添加一个全选框
Y Eg
. private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
q:xtm?'$ {
"AT&!t[J foreach(DataGridItem thisitem in DataGrid1.Items)
bZxv/\ {
o:Ln._bj ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
RM)1*l`!E }
]a78tTi }
p])D)FsMB {&u Rd?( 将当前页面中DataGrid1显示的数据全部删除
M#=Y~PU foreach(DataGridItem thisitem in DataGrid1.Items)
fy9uLl}h {
vad|Rp l if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Zn?8\ {
"EJ\]S]$X string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
OZ eiHX! Del (strloginid); //删除函数
8r2XGR }
,yTN$K%M }
{\P?/U6~f w+Ad$4Pf" 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
G"}qV%"6" )$MS
0[? 在Application_Start中添加以下代码:
Jm?l59bv
v Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
i:g{{Uuv AppSettings["ConnStr"].ToString();
w#W5}i&x AdDQWJ^r 31. 变量.ToString()
t$aVe"uM 6!*K/2:O 字符型转换 转为字符串
H!p!sn 12345.ToString("n"); //生成 12,345.00
%(fL? 12345.ToString("C"); //生成 ¥12,345.00
|d5ggf.w 12345.ToString("e"); //生成 1.234500e+004
Q%rVo4M#2 12345.ToString("f4"); //生成 12345.0000
#1MKEfv(~ 12345.ToString("x"); //生成 3039 (16进制)
55LgBD 12345.ToString("p"); //生成 1,234,500.00%
@=CLeQG` Gj6<s./ 32、变量.Substring(参数1,参数2);
Lt>?y&CcQ "K8nxnq 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);
3 Q@9S n1_ %Td 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)
@v"T~6M <SCRIPT language="javascript">
',DeP>'%> <!--
o\d |CE;> function gook(pws)
TV?
^c?{5 {
n:F@gZd` frm.submit();
VIetcs }
p#)e:/Qy //-->
,Ak ^nX Nc,*hsx' </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
fQxSMPWB <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
&Y{F?
c^ <tr>
x 96}#0' <td>
e "_&z#
2_ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
X#VEA=4{ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
A5+q^t} <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
;.\g-`jb r8sdzz% <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
q5!0\o: <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
/\~l1.6` R;%^j=Q </td>
n>n"{! EVWA\RO'\ </tr>
{K+.A 9! eVTO#R*'| </form>
}&mj.hGv {798=pC<. 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。
AYt*'Zeg!s ]Uu
aN8 下面是获取用户输入的登陆信息的代码:
b"^\)|*4; string name;
r9<V%PHv name=Request.QueryString["EmailName"];
fa"\=V2S ZH% we try
Ohc^d"[7 {
hRk,vB] int a=name.IndexOf("@",0,name.Length);
_<XgC\4O| f_user.Value=name.Substring(0,a);
k/U>N|5 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
,b$z!dvhl f_pass.Value=Request.QueryString["Psw"];
Ac
J>$L) }
1p~5h(jI )mj<{Td` catch
l4zw]AYk+X {
iEe#aO"D! Script.Alert("错误的邮箱!");
iFSJ4 W( Server.Transfer("index.aspx");
a"k'm}hVY$ }