1. 打开新的窗口并传送参数:
<K6gzi0fl $wnK"k%G 传送参数:
oW[];r response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
7S^ba 5pC+*n. 接收参数:
@-B)a Z string a = Request.QueryString("id");
al#BfcZW string b = Request.QueryString("id1");
=17d7#- R9+0ZoS 2.为按钮添加对话框
K+WbxovXU Button1.Attributes.Add("onclick","return confirm(’确认?’)");
w8(8n&5 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
jg)+]r/hS 9x4%M&<Z9a 3.删除表格选定记录
Mk=M)d` int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
r1pj-
string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
>]/RlW[ w^BF.Nu 4.删除表格记录警告
C_5o&O8Bc private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Ufw_GYxan {
kh7RQbNY<I switch(e.Item.ItemType)
([g[\c,H {
Sm7O%V8{p case ListItemType.Item :
E}qW' case ListItemType.AlternatingItem :
d1[;~) case ListItemType.EditItem:
3rdrNc TableCell myTableCell;
;,WI_iP(w myTableCell = e.Item.Cells[14];
O%Hc%EfG LinkButton myDeleteButton ;
Qk5pRoL_ myDeleteButton = (LinkButton)myTableCell.Controls[0];
?**9hu\BG myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
}Mv$Up break;
0gevn default:
-!bfxbP break;
4`X]$. }
6y0CEly>3# 4LY$;J;2 }
ZBY*C;[)*P R(t1Ei.-? 5.点击表格行链接另一页
$c1zMkY)u private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\86:f<)P {
2h;#BJ)) //点击表格打开
a62'\wF>D if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
#TUuk e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
kq$0~lNI$ }
)/:j$aq l b9O 双击表格连接到另一页
> r
%:!o ._X|Ye9/ 在itemDataBind事件中
:q>uj5% if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5$PDA*]9 {
5+Ld1nom string OrderItemID =e.item.cells[1].Text;
7QXp\<7 ...
N{}o*K e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
[<nmJ-V }
E*"-U!?)l2 cVYPPal 双击表格打开新一页
QAxR'.d if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
J/k4CV*li( {
ABIQi[A string OrderItemID =e.item.cells[1].Text;
LlF|VR&P. ...
#;(Q \ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
F'^y?UP[ }
`Q1;Y Tfytc$aQ ★特别注意:【?id=】 处不能为 【?id =】
"KHe6otmi_ 6.表格超连接列传递参数
7`P1=`.. <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
s
+Q'\? <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
UCBx?9O/0 $/)0iL{0 7.表格点击改变颜色
<)]j;Tl if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(?vKe5 {
4#Rq}/h e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
RD_l this.style.color=’buttontext’;this.style.cursor=’default’;");
8mnzxtk }
9O{b8=\} V9\y*6#Y, 写在DataGrid的_ItemDataBound里
dfR?O#JPU if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
?y|8bw< {
CkeqK e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
|h 3`z this.style.color=’buttontext’;this.style.cursor=’default’;");
:c3'U_H^ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
p5V.O20 }
[+3~wpU(p krSOS WJ dXMO{*MF{H 8.关于日期格式
"8R\!i. %7SGQE#W_~ 日期格式设定
s $?u'}G3 DataFormatString="{0:yyyy-MM-dd}"
)J(@e4;Rv =vD}O@tN 我觉得应该在itembound事件中
$.Qu55=z< e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
3;er.SFu{ a
IgV"3 9.获取错误信息并到指定页面
WW3! ,ln_
B@K =^77 不要使用Response.Redirect,而应该使用Server.Transfer
{SJnPr3R cHw-; e.g
(@3?JJ]1 // in global.asax
hNL_e3 protected void Application_Error(Object sender, EventArgs e) {
Wg[ThaZ if (Server.GetLastError() is HttpUnhandledException)
p8X$yv Server.Transfer("MyErrorPage.aspx");
$1.l| pcO{%]?p //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
MngfXm }
r.10b]b [W--%=Ou Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
]D\p<4uepM +]S!pyZ" 10.清空Cookie
tK LAA+Z Cookie.Expires=[DateTime];
be(p13&od Response.Cookies("UserName").Expires = 0
`\Hs{t] x-Fl|kwX.5 11.自定义异常处理
QV*W#K\7q //自定义异常处理类
qy,X#y'FuE using System;
VK/i5yT5N using System.Diagnostics;
Y^ti;: Jh`6@d namespace MyAppException
.{Df"e> {
>vk?wY^f /// <summary>
1IeB_t /// 从系统异常类ApplicationException继承的应用程序异常处理类。
O#@KP"8 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
tbq_Rg7s /// </summary>
Ku<_N]9 public class AppException:System.ApplicationException
&k0c|q] {
gt:Ot0\7 public AppException()
(IIOVv
1J {
P#x]3j] if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
yL%k5cO$N }
}c;h:CE# L}.V`v{zc public AppException(string message)
:taRCh5 {
#7dM % LogEvent(message);
JrVBd hLr }
fH[:S9@ 7).zed^ public AppException(string message,Exception innerException)
2apQ4)6#[H {
i'NN LogEvent(message);
:rX/ILAr if (innerException != null)
n$YCIW)0 {
'P,F)*kh LogEvent(innerException.Message);
G[[NDK }
^bckl
tSo }
]J6+nA6)
9KLhAYaq //日志记录类
}dSxrT using System;
J"O#w BM9 using System.Configuration;
j,CMcP7A - using System.Diagnostics;
zFk@Y using System.IO;
:fE*fU@ using System.Text;
0CS80
pC using System.Threading;
^jMo?Zwy +gsk}>" namespace MyEventLog
DU:
sQS4 {
d8T,33>T /// <summary>
Le':b2o /// 事件日志记录类,提供事件日志记录支持
B\a#Vtyut /// <remarks>
!B\[Q$ /// 定义了4个日志记录方法 (error, warning, info, trace)
L~~Dj:%uq /// </remarks>
gHzjI[WI /// </summary>
)QiHe} public class ApplicationLog
R
WU,v{I9 {
qnZ`]? /// <summary>
gZ1|b /// 将错误信息记录到Win2000/NT事件日志中
7f`x-iH!]7 /// <param name="message">需要记录的文本信息</param>
3kBpH7h4 /// </summary>
w_
po47S4 public static void WriteError(String message)
e{x|d?)8 {
kg_f;uk+ WriteLog(TraceLevel.Error, message);
Y)X58_En }
_*w}"\4_ 4D\+_Ic3 /// <summary>
5"JnJH /// 将警告信息记录到Win2000/NT事件日志中
xuDn: /// <param name="message">需要记录的文本信息</param>
f3]u-e'b /// </summary>
H9Pe,eHs public static void WriteWarning(String message)
dLek4q
`l {
6uH1dsD WriteLog(TraceLevel.Warning, message);
7J%v""\1! }
o )
FjWf; FE/2.!]&o /// <summary>
8Bnw//_pT /// 将提示信息记录到Win2000/NT事件日志中
Y;eJo /// <param name="message">需要记录的文本信息</param>
]Zf@NY /// </summary>
xR,;^R|C public static void WriteInfo(String message)
R.)U<`| | {
!jDqRXi( WriteLog(TraceLevel.Info, message);
i#~1|2 }
9N'um%J3%s /// <summary>
r,4V SyZF\ /// 将跟踪信息记录到Win2000/NT事件日志中
9/k?Lv /// <param name="message">需要记录的文本信息</param>
(d C<N3 /// </summary>
vAE?^*F public static void WriteTrace(String message)
5B<G;if, {
q[3b i!Q WriteLog(TraceLevel.Verbose, message);
Px4zI9;cB }
u?f3&pA C9}2F{8 /// <summary>
PHa#;6!5 /// 格式化记录到事件日志的文本信息格式
uhLg2G^h /// <param name="ex">需要格式化的异常对象</param>
^JMSe- /// <param name="catchInfo">异常信息标题字符串.</param>
:6z0Ep" /// <retvalue>
BVC{Zq6hi /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
:l>T~&/98 /// </retvalue>
cF[[_ /// </summary>
XabrX|B# public static String FormatException(Exception ex, String catchInfo)
b+M[DwPw {
qpl "j- StringBuilder strBuilder = new StringBuilder();
6zLz<p? if (catchInfo != String.Empty)
CW=-@W7 {
!P!|U/|c strBuilder.Append(catchInfo).Append("\r\n");
'}5}wCLA }
~^"cq
S( strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
HC8{); return strBuilder.ToString();
V_(?mC }
Iq\sf-1E 6iFd[<.*j /// <summary>
b['TRYc=: /// 实际事件日志写入方法
,9#G/nF /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
k-
sbZL /// <param name="messageText">要记录的文本.</param>
" I@Z:[=2 /// </summary>
^U_B>0`ch private static void WriteLog(TraceLevel level, String messageText)
$XI5fa4Tt {
pKMf#)qm try
7@vcQv
kC {
ryx<^q EventLogEntryType LogEntryType;
@ec QVk switch (level)
r\[HR ^` {
=dX*:An case TraceLevel.Error:
zoOm[X=?3 LogEntryType = EventLogEntryType.Error;
?XGZp?6 break;
%p2 C5z? case TraceLevel.Warning:
;:9 x.IkxC LogEntryType = EventLogEntryType.Warning;
va;d[D,
break;
(cYc03" case TraceLevel.Info:
&/\0_CoTR\ LogEntryType = EventLogEntryType.Information;
-JZl?hY( break;
ZrA\a#z"< case TraceLevel.Verbose:
5H 1(C#| LogEntryType = EventLogEntryType.SuccessAudit;
<UQ:1W8>B break;
7B%@f9g default:
(7ew&u\Li LogEntryType = EventLogEntryType.SuccessAudit;
cp?`\P break;
f8?K_K;\ }
YQN=.Wtc J&a887 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
o D*
' //写入事件日志
;gm){ g eventLog.WriteEntry(messageText, LogEntryType);
&r<<4J(t 8`VMdo9 }
\hM6 ykY- catch {} //忽略任何异常
>uOc#+5M. }
>M:5yk@ } //class ApplicationLog
4g1u9Sc0 }
K)Db3JIIk fJE ki>1 12.Panel 横向滚动,纵向自动扩展
ooZ7HTP| <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
V7401@F v,|;uc+ 13.回车转换成Tab
FcW ?([l <script language="javascript" for="document" event="onkeydown">
\k1Wh-3 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Gcs+@7!b event.keyCode=9;
~82jL%-u </script>
(rwbF +Kq>r|; onkeydown="if(event.keyCode==13) event.keyCode=9"
h'-TZXs0e1 g>im2AD+e 14.DataGrid超级连接列
^1cqx]>E DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Y5MHd>m ~hvhT}lE 15.DataGrid行随鼠标变色
:za!!^ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{J0^S {
//+UQgl6 if (e.Item.ItemType!=ListItemType.Header)
(`!|
Uf$ {
%okEN!= e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
sa#"@j) e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
NOS5bm&- }
@ ~sp:l }
>M1/m=a
II<<-Y6 16.模板列
fRa1m?%s <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
p[uwG31IL` <ITEMTEMPLATE>
J)fS2Ni+ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
D9LwYftZ </ITEMTEMPLATE>
Xj/X. </ASP:TEMPLATECOLUMN>
r\3In-(AT F}01ikXDb' <ASP:TEMPLATECOLUMN headertext="选中">
lHGv:TN <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
2hu6 <ITEMTEMPLATE>
y~luuV;uj <ASP:CHECKBOX id="chkExport" runat="server" />
&e rNVD5o </ITEMTEMPLATE>
g{J3Ba <EDITITEMTEMPLATE>
9M7P]$^ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
T]vD ,I+ </EDITITEMTEMPLATE>
'[-/Xa[' </ASP:TEMPLATECOLUMN>
_>`0!mG yQx>h6 后台代码
,!Hl@( protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
#SqOJX~Q {
9xKFX|*$ //改变列的选定,实现全选或全不选。
[]2GN{m CheckBox chkExport ;
lT:<ZQyjT if( CheckAll.Checked)
uyA9`~p=# {
#* Hhe> foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
gvU6p[ D {
+.R-a+y3 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8p211MQ< chkExport.Checked = true;
Z0'3.D,l }
q@!:<Ra,){ }
b]Y,& 8}[+ else
)T3wU~% {
v[|iuOU foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
9]YmP8 {
cQ8:;-M chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
y1'/@A1 chkExport.Checked = false;
vB
Jva8;Q }
16+@#d%#p }
K7l{&2>? }
AHA*yC /.?\P#9) 17.数字格式化
DuE>KX{<!R )3
r1; ^W 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
d}=p-s.GA <%#Container.DataItem("price","{0:¥#,##0.00}")%>
zm}1~A evs2dz<eA int i=123456;
-( iJ< string s=i.ToString("###,###.00");
p>zE/Pw~ g<C})84y3 18.日期格式化
z]WT>4 + mcN6/ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
2
g8PU$T 0I _;?i 显示为: 2004-8-11 19:44:28
OiOL4}5( %x *f{(8h 我只想要:2004-8-11 】
@3@%9E <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
;F+%{LgKl .Sn1YAhE 应该如何改?
5a`}DTB[Co D[r 【格式化日期】
J91`wA&r :d#NnR0^L 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Kaa*;T![ /f[_]LeV] 【日期的验证表达式】
8vRiVJ8QS: lrE0)B5F A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
M,@SUu v" ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
O92Y d$S !+6l.`2WI B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
0%t|?@HoN ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
xH0/R LK3J xki"' 【大小写转换】
,*4"d._Y HttpUtility.HtmlEncode(string);
NLpD,q{ HttpUtility.HtmlDecode(string)
G#V22Wca8 e>^R 8qM? 19.如何设定全局变量
P2p^jm
kMo)4Xp Global.asax中
_e3'f:
$!f$R`R^Q\ Application_Start()事件中
h$&XQq0T }rE|\p> 添加Application[属性名] = xxx;
GEA;9TU|V o7+/v70D 就是你的全局变量
_~kcr5 i/~J0qQ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
P Cf|^X#B wl%1B64
HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
NIfc/% #dft-23 【ASPNETMENU】点击菜单项弹出新窗口
JK(&E{80 $VA4% 9 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
6S<$7=$= <?xml version="1.0" encoding="GB2312"?>
~c^-DAgB <MenuData ImagesBaseURL="images/">
%awS* <MenuGroup>
"v1(f| a <MenuItem Label="内参信息" URL="Infomation.aspx" >
]G B}, <MenuGroup ID="BBC">
yjq
)}y,tF <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
D'h2 DP! <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
6{
Nbe= ......
[1C#[Vla XbC8t &Q], 最好将你的aspnetmenu升级到1.2版
&J b.OCf 7N"Bbl 21.读取DataGrid控件TextBox值
["}A#cO652 foreach(DataGrid dgi in yourDataGrid.Items)
IT(c'} {
M\&~ Dmd TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
UjaC( c tb.Text....
z aF0nov }
}WbN) OK\%cq/U 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?
co3 ,8\N0 .y/b$|d, 〖思归〗
DBUwf1=qj <asp:TemplateColumn HeaderText="数量">
|pqpF?h5| <ItemTemplate>
)US/bC!M$ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
AG7}$O. onkeyup="javascript:DoCal()"
}dUC^04 />
9pcf jx.. d_+8=nh3 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
C]fTV{ </ItemTemplate>
)^N8L< </asp:TemplateColumn>
VK;x6*Y tZ^;{sM <asp:TemplateColumn HeaderText="单价">
aA`q!s.%A <ItemTemplate>
L{f>;[FR <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
$k ma#7 onkeyup="javascript:DoCal()"
7]%il[ />
(;&?B.<\: yU"G|Ex <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Ij1]GZ`A( G)hH?_U#T </ItemTemplate>
"yTh + = </asp:TemplateColumn>
jtv Q<4 ogqV]36Idh <asp:TemplateColumn HeaderText="金额">
wsrx|n[] <ItemTemplate>
V|\A? <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
dV{Hn {( </ItemTemplate>
DA$Q- </asp:TemplateColumn><script language="javascript">
^Nw]'e3 function DoCal()
e@=[+iJc {
7omGg~!k( var e = event.srcElement;
i4n
b# var row = e.parentNode.parentNode;
41o!2(e$ var txts = row.all.tags("INPUT");
Q!X_&ao)O if (!txts.length || txts.length < 3)
51qIo 4$ return;
^-GX&ODa uV_)JZW,L var q = txts[txts.length-3].value;
i*R:WTw# var p = txts[txts.length-2].value;
m->%8{L id+m[']+ if (isNaN(q) || isNaN(p))
N&APqT return;
]HV~xD7\ eCIRt/ uA q = parseInt(q);
npcBpGL{ p = parseFloat(p);
D?}m
h1# yvWzc
uL# txts[txts.length-1].value = (q * p).toFixed(2);
0DB<hpC:5 }
+?Jk@lE< </script>
gAA
%x7 ;"Y;l=9_ hlFU"u_ R}w wC[{ d Zz^9:C+ 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。
9/daRq$ page_load
hcd>A vC8 page.smartNavigation=true
(1SO;8k\ _8li4;F 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 ?
Mc7 <[a private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
|M<.O~|D6} {
W(a'^
#xe for(int i=0;i<e.Item.Cells.Count-1;i++)
62)lf2$1 if(e.Item.ItemType==ListItemType.EditType)
QP5:M!O<) {
xrVZxK:! e.Item.Cells.Attributes.Add("Width", "80px")
S~rVRC"<xo }
aC yb-P }
.;Utkf'I p
(xD/E 26.对话框
_jrA?pY private static string ScriptBegin = "<script language=\"JavaScript\">";
Z"~6yF private static string ScriptEnd = "</script>";
,}IER ]2\2/~l public static void ConfirmMessageBox(string PageTarget,string Content)
39T&c85 {
3TiXYH string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
7
Mki?EG O&gwr ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
9[p}.9/ ~I\r1Wj; Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
O3C)N
I\i
ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
0Dm`Ek3A7x //Response.Write(strScript);
!
jX+ox }
nhP~jJn I"Q9W|J_& 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
;/";d]j e,#+Xx0M 1.1 取当前年月日时分秒
9SH<d)^ currentTime=System.DateTime.Now;
%<=vbL9 9(^X2L&Z 1.2 取当前年
_N,KHxsG8B int 年= DateTime.Now.Year;
{7TJgS oj^5G
]_< 1.3 取当前月
KSgQ:_u4} int 月= DateTime.Now.Month;
X[~f:E[1J *]:G7SW{ 1.4 取当前日
mU?&\w=v$ int 日= DateTime.Now.Day;
G{:af:5Fo UOLTCp?M;J 1.5 取当前时
S0.- >"L int 时= DateTime.Now.Hour;
1RI #kti-" /md Q(Dm 1.6 取当前分
9Nag%o{*S> int 分= DateTime.Now.Minute;
f^6&Fb> g`)/ x\ 1.7 取当前秒
(Y'UvZlM%P int 秒= DateTime.Now.Second;
KF:]4`$ lk*0c{_L 1.8 取当前毫秒
{m+S{dWp int 毫秒= DateTime.Now.Millisecond;
"]SJbuzh gQI(=in 28.自定义分页代码:
$dx1[V+_ 6zp@#vYI 先定义变量 :
6"7:44O;G public static int pageCount; //总页面数
c69U1 public static int curPageIndex=1; //当前页面
s=q%:uCO sxN>+v11z 下一页:
c?p0#3%L# if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
1%SJ1oY {
[NCXn>Z DataGrid1.CurrentPageIndex += 1;
+eDN,iv curPageIndex+=1;
s]F?=yEp }
iJCY /*C} f*|8n$% bind(); // DataGrid1数据绑定函数
ubzb {hvQ<7b 上一页:
fz<|+(_>J if(DataGrid1.CurrentPageIndex >0)
EBj,pk5M {
XDP6T"h DataGrid1.CurrentPageIndex += 1;
r|\5'ZMx curPageIndex-=1;
?b*/ddIs }
5A2Y'ms,/ dr,B\.|jC bind(); // DataGrid1数据绑定函数
@wYQLZ PEX26== 直接页面跳转:
_q$0lqq~u int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
ONr?.MJ6j :>tF_6 if(a<DataGrid1.PageCount)
S|{Yvyp {
{UX"Epd);n this.DataGrid1.CurrentPageIndex=a;
KD,^*FkkL }
AMh37Xo G_2gKkIK- bind();
.\ ;l-U f7_\).T 29.DataGrid使用:
L;.VEz! -A~;MGY 添加删除确认:
Z%Tq1O private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
a!c/5)v( {
d{iu+=NXz foreach(DataGridItem di in this.DataGrid1.Items)
7~!I2DV_ {
K)Df}fVOc if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
#[k~RYS3 {
o ;[C(OS ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
YiIddQ }
dl*_ m3T }
u|_LR5S!j }
Q-!
i$#- RlI
W&y 样式交替:
e/]O<, * ListItemType itemType = e.Item.ItemType;
dJdD"xj D_l/Gxdpr if (itemType == ListItemType.Item )
LCo1{wi {
Ht`<XbQ> e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
7.7Cluh5, e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
'|YtNhWZ? }
K:>NGGY8r else if( itemType == ListItemType.AlternatingItem)
L<f-Ed9| {
}
D/+< e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
')AByD}Hi] e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
_%A/ ) }
'\ph`Run &K9VEMCEX 添加一个编号列:
BpQ;w,sefq DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
]iz_w`I\ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
q=P
f^Xp 652u Z};e for(int i=0;i<dt.Rows.Count;i++)
bjM-Hd/K {
K?h[.`} dt.Rows["number"]=(i+1).ToString();
(,- 5(fW }
%-@'CNP c0!Te'? DataGrid1.DataSource=dt;
+l2e[P+qA DataGrid1.DataBind();
/p"U g6rv`I$l DataGrid1中添加一个CheckBox,页面中添加一个全选框
RE ![O private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Du)B9s {
4/*]` foreach(DataGridItem thisitem in DataGrid1.Items)
Ep^B,;~ {
Kwy1SyU ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
v;)BVv }
]}nu9z< }
v
t^r1j EHH|4;P6 将当前页面中DataGrid1显示的数据全部删除
IT8B~I\OY foreach(DataGridItem thisitem in DataGrid1.Items)
QT`fix{ {
a='IT 5 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
z{_mEE49 {
UlK/x"JDv string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Nhjle@J< Del (strloginid); //删除函数
C$KaT3I }
hVlyEsLg }
&E.OyqGZV euRCBzc 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
/'-:=0a ::4"wU3t 在Application_Start中添加以下代码:
K&j'c Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
z`\#$ AppSettings["ConnStr"].ToString();
bcq@N -(6eVI 31. 变量.ToString()
B"~U<6s0 PLO\L W 字符型转换 转为字符串
"F&Tnhh4 12345.ToString("n"); //生成 12,345.00
LTg?5GwD\j 12345.ToString("C"); //生成 ¥12,345.00
II.<S C 12345.ToString("e"); //生成 1.234500e+004
bq:wEMM4s 12345.ToString("f4"); //生成 12345.0000
&(lMm ) 12345.ToString("x"); //生成 3039 (16进制)
11i"nR| 12345.ToString("p"); //生成 1,234,500.00%
|!$ Q<-]f p])D)FsMB 32、变量.Substring(参数1,参数2);
{&u Rd?( M#=Y~PU 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);
fy9uLl}h
$`^H:Djr 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
DY$yiOH9 <SCRIPT language="javascript">
PqTYAN&F <!--
b OW}" function gook(pws)
uEBQoP2 {
YavfjS:2 frm.submit();
ri_P;#lz }
8&i;hZm //-->
gs$3)t _Mlhumt </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
x2Ha& <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
eT;AAGql <tr>
1UC2zM" <td>
6(:)otz <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
*hV4[= <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
1oB$MQoc <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
fW(; *zJD$+Fo <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
#]"/{Z <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
1Pu
, :Jt Q?Wr7 </td>
,Yo: &>As x<8\- </tr>
t9ER;.e >Ja0hS{* </form>
ggMUdlU &Y 'z?N 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。
AlUJ1^o) ri,2clp 下面是获取用户输入的登陆信息的代码:
Xe)Pg)J1 string name;
r~I.F!{ name=Request.QueryString["EmailName"];
RvWFF^, . 4 uShM0qa try
#U\$@4D {
t/ A:k int a=name.IndexOf("@",0,name.Length);
Pv#KmSA9 f_user.Value=name.Substring(0,a);
6s'[{Ov f_domain.Value=name.Substring(a+1,name.Length-(a+1));
[S%J*sz~ f_pass.Value=Request.QueryString["Psw"];
cnbo+U }
/;+oz 5Lw{0uLr catch
2ed@HJu {
d"Bo8`_ Script.Alert("错误的邮箱!");
.Xi2G@D Server.Transfer("index.aspx");
T)`gm{T }