1. 打开新的窗口并传送参数:
*,JE[M Bh&pZcm| 传送参数:
Z$/76 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
'$OUe {j< fz^j3'!\ 接收参数:
B,\VLX string a = Request.QueryString("id");
YTa
g|If string b = Request.QueryString("id1");
*#YZm>h pA*C|g
2.为按钮添加对话框
D#LV&4e>.E Button1.Attributes.Add("onclick","return confirm(’确认?’)");
jM\{*!7b button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Ip'tB4Mq jn5xYKv 3.删除表格选定记录
VVDN3 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Fs~(>w@ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
tfU*U>j KzVi:Hm 4.删除表格记录警告
]$ "eGHX private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
~gpxK{ {
g[G/If switch(e.Item.ItemType)
es*$/A {
!uGfS' Vl case ListItemType.Item :
Q7uJ9Y{X case ListItemType.AlternatingItem :
OPNRBMD case ListItemType.EditItem:
Iuxf`sd TableCell myTableCell;
CI{2(.n4 myTableCell = e.Item.Cells[14];
S-Y{Vi"2 LinkButton myDeleteButton ;
P{9:XSa% myDeleteButton = (LinkButton)myTableCell.Controls[0];
R->x_9y-R myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
|4mvB2r break;
=#u4^%i) default:
_uO$=4Sd break;
,m<YSMKX }
9InP2u\&: >T[/V3Z~K }
KdCrI@^ X d+H()nR 5.点击表格行链接另一页
vb=]00c private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
~Y/A]N86, {
Em(_W5
ND{ //点击表格打开
*|=D 0 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
kK=VG<
:M e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
;}+M2Ec51 }
8@rYT5e3c ceG\Q2 双击表格连接到另一页
hH`x*:Qja iI<c 在itemDataBind事件中
.u)KP*_ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|Ml~Pmpp {
fv7VDo8vb string OrderItemID =e.item.cells[1].Text;
Y_Gd_+oJ ...
=v<w29P(g e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
YcA. Bn|as }
%k#+nad sa8O<Ab 双击表格打开新一页
*/e$S[5 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
"0!h-bQN {
yF)J7a:U string OrderItemID =e.item.cells[1].Text;
zjUQ] ...
Gt&yz"?D e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
%"f85VfZ }
9Q1%+zjjMq i?/Q7D<P ★特别注意:【?id=】 处不能为 【?id =】
^^v3iCT 6.表格超连接列传递参数
J,Ki2'= <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
50MM05aC <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Tm`@5 rT `sY 7.表格点击改变颜色
xq;>||B if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
>2s6Y {
:=B.)]F.) e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
E.*hY+kGZ this.style.color=’buttontext’;this.style.cursor=’default’;");
vt5w(}v( }
0HWSdf|w K F'fg
R 写在DataGrid的_ItemDataBound里
QKP
#wR
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
:z8/iD y {
zh2<!MH e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
f$>_>E this.style.color=’buttontext’;this.style.cursor=’default’;");
\uTlwS e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
{LiJ=Ebt }
1vo3aF =u2~=t=LV |>(Vo@ 8.关于日期格式
KRxJ2 G|jHic! 日期格式设定
={xRNNUj_ DataFormatString="{0:yyyy-MM-dd}"
"#E
Z m^oG9&"; 我觉得应该在itembound事件中
Ze%S<xT!O e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
K ar! p1'q{E+o* 9.获取错误信息并到指定页面
V30w`\1A D N!V".m`J 不要使用Response.Redirect,而应该使用Server.Transfer
uM$b/3%s Gs~eRcIB e.g
#MYoy7= // in global.asax
i]<@ protected void Application_Error(Object sender, EventArgs e) {
m u9,vH if (Server.GetLastError() is HttpUnhandledException)
fL|9/sojz Server.Transfer("MyErrorPage.aspx");
Ct `)R O h
e^{: //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
DTC
IVLV }
{qHQ_ _Bl Zw)=Y.y! Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
)vq}$W!:9 $@6q5Iz!& 10.清空Cookie
( 72%au Cookie.Expires=[DateTime];
Dl.<(/ Response.Cookies("UserName").Expires = 0
Vb?wwx7= /HUT6B 11.自定义异常处理
q2xAx1R`sV //自定义异常处理类
iY`[dsT using System;
#q:j~4)h using System.Diagnostics;
%S^ke`MhF 5:38}p9` namespace MyAppException
pImq<Z {
U`)
";WN /// <summary>
s>L-0vG /// 从系统异常类ApplicationException继承的应用程序异常处理类。
<q'?[aKvR /// 自动将异常内容记录到Windows NT/2000的应用程序日志
zr ez* /// </summary>
;L:UYhDbUx public class AppException:System.ApplicationException
o Tvg%bX {
5dv|NLl public AppException()
1;m?:|6K{ {
AM?ZhM if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
lFuW8G,-f@ }
k@fxs]Y_L =,*/Ph& public AppException(string message)
15_"U+O(/ {
@B0fRG y LogEvent(message);
L__{U_p }
,8DC9yM, L2Cb/!z`c public AppException(string message,Exception innerException)
0>m$e(Z {
al Rz@N LogEvent(message);
v "2A? if (innerException != null)
MX*4d{ l {
A
PSkW9H LogEvent(innerException.Message);
,&,XcbJ }
9/8+R% }
V9ZM4.,OCN ?ZTA3mV?+ //日志记录类
i=^6nwD& using System;
nd\$Y using System.Configuration;
&iD&C>;pf using System.Diagnostics;
6a9:P@tY using System.IO;
,I|^d.[2 using System.Text;
jKcl{', using System.Threading;
Jm=3%H @=g{4(zR^ namespace MyEventLog
.`KzA] {
;]R5:LbXS /// <summary>
KKk<wya&O /// 事件日志记录类,提供事件日志记录支持
ymrnu-p o /// <remarks>
,4,Bc< /// 定义了4个日志记录方法 (error, warning, info, trace)
F'wG% /// </remarks>
@}^VA9ULK /// </summary>
~d<&OL public class ApplicationLog
tHqa% {
Jl\U~i /// <summary>
\1?'JdN /// 将错误信息记录到Win2000/NT事件日志中
`+."X1 /// <param name="message">需要记录的文本信息</param>
Q-iBK*-w /// </summary>
I<W<;A public static void WriteError(String message)
K
d#(eGe {
&n?RKcH}d WriteLog(TraceLevel.Error, message);
Cw!tB1D }
"KCG']DF I=Y_EjZD /// <summary>
C5KUIOg /// 将警告信息记录到Win2000/NT事件日志中
k g(}%Ih /// <param name="message">需要记录的文本信息</param>
kxrYA|x /// </summary>
SPe%9J+ public static void WriteWarning(String message)
%Ze7d& {
(uHyWEHt WriteLog(TraceLevel.Warning, message);
Nj?Q{ztS }
Ei2M~/ Q4Wz5n1yp7 /// <summary>
sWTa;Qi /// 将提示信息记录到Win2000/NT事件日志中
VeEa17g& /// <param name="message">需要记录的文本信息</param>
)C\/ ( /// </summary>
)`<&~>qp public static void WriteInfo(String message)
a_VWgPVdDS {
butBS WriteLog(TraceLevel.Info, message);
B)d 4]]4\\ }
"Qc4v@~) /// <summary>
Z6So5r%wZ /// 将跟踪信息记录到Win2000/NT事件日志中
E>|fbaN-% /// <param name="message">需要记录的文本信息</param>
giIPK& /// </summary>
wKpD++k public static void WriteTrace(String message)
mq}uq9< {
o=zl{tZV WriteLog(TraceLevel.Verbose, message);
<}xgp[O }
qs8^qn0A ^\S~rW.3_ /// <summary>
H7drDw /// 格式化记录到事件日志的文本信息格式
\,m*CYs` /// <param name="ex">需要格式化的异常对象</param>
hZ|0<u /// <param name="catchInfo">异常信息标题字符串.</param>
+s7w@ /// <retvalue>
00-2u~D& /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Om;`"5 /// </retvalue>
J`; 9Z /// </summary>
E&"V~ public static String FormatException(Exception ex, String catchInfo)
>CcDG {
n%}#e! StringBuilder strBuilder = new StringBuilder();
{QN 5QGvK if (catchInfo != String.Empty)
H:Q4!< {
J}bLp
Z strBuilder.Append(catchInfo).Append("\r\n");
i}f" 'KW }
O#{`Fj` strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
44k8IYC*o return strBuilder.ToString();
D2Q0p(#% }
7uu\R=$ SgN?[r) /// <summary>
vXM{) /// 实际事件日志写入方法
I4<_y5 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
ZBH^0 /// <param name="messageText">要记录的文本.</param>
AnE]
kq u /// </summary>
A[F@rUZp private static void WriteLog(TraceLevel level, String messageText)
0a!|*Z {
W8-vF++R try
BNO+-ob- {
X-CoC
EventLogEntryType LogEntryType;
X_3hh} = switch (level)
oZL# *Z(h {
l%u8Lq case TraceLevel.Error:
2J) LogEntryType = EventLogEntryType.Error;
6@:<62!; break;
8wkt9: case TraceLevel.Warning:
yr.sfPnJK LogEntryType = EventLogEntryType.Warning;
y34 <B)Wy break;
5]kv1nQ case TraceLevel.Info:
}dU!PZ9N) LogEntryType = EventLogEntryType.Information;
SY}"4=M?l break;
yYTOp^ case TraceLevel.Verbose:
+sq_fd ;'D LogEntryType = EventLogEntryType.SuccessAudit;
=<TJ[,h
et break;
k O.iJcZg default:
Qip@L WvT LogEntryType = EventLogEntryType.SuccessAudit;
kf95 )iLo break;
ExFz@6@ }
"d0D8B7HI@ |WT]s B0Eq EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
&
\C1QkI //写入事件日志
j]mnH`#BL eventLog.WriteEntry(messageText, LogEntryType);
_Db&f}.` Z;;A#h'%e }
>I;.q|T catch {} //忽略任何异常
p%#'`*<a_ }
w xaMdA } //class ApplicationLog
4~;M\h }
d\c)cgh% <1QXZfQ" 12.Panel 横向滚动,纵向自动扩展
r&F
6ZCw <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
sQ[N3 \0e`sOS`L 13.回车转换成Tab
{=U*!`D <script language="javascript" for="document" event="onkeydown">
^nFP#J)_5 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
?1LRR
;-x event.keyCode=9;
^q|W@uG-( </script>
}Q6o#oZ "kVzN22 onkeydown="if(event.keyCode==13) event.keyCode=9"
[e{W:7uFV *.T?#H 14.DataGrid超级连接列
)tS;gn DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
{([`[7B>a< <33,0."K 15.DataGrid行随鼠标变色
mO8/eVws[M private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
o?IrDQ2gmh {
.Ep&O# if (e.Item.ItemType!=ListItemType.Header)
E},zB*5TH {
|GP&!] e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
5-&"nn2*}1 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
b0x%#trA{ }
$e uI }
PY+4OZ$ mGJRCK_ 16.模板列
"];@N!dA <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
l<7SB5 <ITEMTEMPLATE>
1FT3d <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Pl2eDv-y </ITEMTEMPLATE>
);n/G </ASP:TEMPLATECOLUMN>
*!dA/sid uZI7,t -7 <ASP:TEMPLATECOLUMN headertext="选中">
cHOC>| <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
*=T(ncR[' <ITEMTEMPLATE>
(zk/>Ou <ASP:CHECKBOX id="chkExport" runat="server" />
ovi^bNQ </ITEMTEMPLATE>
uK ,W <EDITITEMTEMPLATE>
:V_UJ3xf <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
8 tIy"5 </EDITITEMTEMPLATE>
m4'jTC$ </ASP:TEMPLATECOLUMN>
59+KOQul6 ":GC}VIS 后台代码
dB:c2 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
iHvWJ<"jR {
uW!saT5o //改变列的选定,实现全选或全不选。
# nAq~@X CheckBox chkExport ;
;&O *KhLH if( CheckAll.Checked)
[r'A8!/|[ {
ki1j~q foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Cbm^:
_LR {
aEVy20wd chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
} .<(L chkExport.Checked = true;
Ji6.-[: }
Zp9kxm' }
>6)|>#Wi else
'6*9pG- {
}Fox foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
f"zmN G' {
<~:2~r chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
cRWB`& chkExport.Checked = false;
lWT`y }
i` ay9J8N }
,@Kn@%?$ }
Hk(=_[S 2Vw2r@S/ 17.数字格式化
'G>9 iw \wK4bvUrX 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
VYt<j<ba <%#Container.DataItem("price","{0:¥#,##0.00}")%>
m^,VEV> TZ!@IBu int i=123456;
S_;r!. string s=i.ToString("###,###.00");
8lA,3'z @g]EY&Uzl 18.日期格式化
@YG-LEh h ^s8LE3 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
JO90TP
$ k1s5cg=n( 显示为: 2004-8-11 19:44:28
>Q?8tGfB :M<] 6o 我只想要:2004-8-11 】
[9#zEURS <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
)OVa7[-T (XY`1|])` 应该如何改?
1EWZA PrA(==FX/ 【格式化日期】
Xkg Gzg3{fXl 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
!ab ef.%: )}t't" 【日期的验证表达式】
L'
bY,D(J>
;Me*#/ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Z&P\}mm ^((\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})))?$
bX`Gv+ ~!cxRd5;F B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
?)(-_N&T ^\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]))$
m7u`r(& 4- Jwy 【大小写转换】
Kpa$1x HttpUtility.HtmlEncode(string);
+lhCF*@*N HttpUtility.HtmlDecode(string)
`u PLyS. 3JkdP h 19.如何设定全局变量
e?*Teb?R sf->8 Global.asax中
R^P>yk8 2gMG7%d Application_Start()事件中
N;6o=^ic L[,19;( 添加Application[属性名] = xxx;
cDE5/! T#*H 就是你的全局变量
*f`P7q* S6a\KtVa 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
(Cfb8\~ QCE7VV1Rw HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
0Oc?:R'$ $(]nl%<Q 【ASPNETMENU】点击菜单项弹出新窗口
X{OWDy !2Z"Lm 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
' VKD$q <?xml version="1.0" encoding="GB2312"?>
:Jv5Flxl <MenuData ImagesBaseURL="images/">
/>/e <MenuGroup>
o[fg:/5)A <MenuItem Label="内参信息" URL="Infomation.aspx" >
( N};.DB1Y <MenuGroup ID="BBC">
&>E gKL <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
d!YP{y P <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
\IImxkE ......
oOU_
Nay N' R^gL 最好将你的aspnetmenu升级到1.2版
+*?l">?|F :zPK 21.读取DataGrid控件TextBox值
n-yUt72 foreach(DataGrid dgi in yourDataGrid.Items)
tp>YsQy]8 {
2A[hMbL TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
#Lp}j?Y tb.Text....
0<NS1y }
4OpzGZ4+ zyUS$g]& 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
MGt>:&s(] #
#2'QNN 〖思归〗
ck5cO-1>6 <asp:TemplateColumn HeaderText="数量">
c@3 5\!9 <ItemTemplate>
oW6Hufu+o <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
t"q'"FX onkeyup="javascript:DoCal()"
vc&+qI+I3 />
?_Z-}f RLB"}&SF] <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
dIlpo0; F </ItemTemplate>
||awNSt </asp:TemplateColumn>
/#H P;>!n dnU-v7k,{ <asp:TemplateColumn HeaderText="单价">
G[yzi <ItemTemplate>
4n7Kz_!SVf <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
/bB4ec8! onkeyup="javascript:DoCal()"
KvPCb%!ZP />
orH6R8P] >(S)aug$1 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
D5snaGss9a '5De1K.\` </ItemTemplate>
, 6X;YY </asp:TemplateColumn>
Oh p@ZJ!a? ,}gJY^X+ <asp:TemplateColumn HeaderText="金额">
>19s:+ <ItemTemplate>
\\#D!q* <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
5P"R'/[PA_ </ItemTemplate>
kaB|+U9^ </asp:TemplateColumn><script language="javascript">
o
/[7Vo function DoCal()
iBSg`"S^]C {
Vb\g49\o/ var e = event.srcElement;
2a
eH^:u var row = e.parentNode.parentNode;
/}8Au$nA var txts = row.all.tags("INPUT");
~io. TS|r if (!txts.length || txts.length < 3)
Zja3HGL return;
AG=PbY9 0P9\; !Y var q = txts[txts.length-3].value;
dR1IndZl var p = txts[txts.length-2].value;
*YvtT(Gt ;'8P/a$ if (isNaN(q) || isNaN(p))
d\]KG(T return;
9]oT/ooM BoYY^ih q = parseInt(q);
v7wyQx+Q p = parseFloat(p);
;WX.D]>{W Yr_B(n txts[txts.length-1].value = (q * p).toFixed(2);
xsj,l@Ey }
'WP~-}( </script>
&AJkYh B?=R= p Qr$
7 U6p 1bCE~,tD !6=;dX 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。
t8EI"| page_load
}_zN%Tf~ page.smartNavigation=true
-@"3`uv" 9u{[e" 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 ?
&'W7-Z\j- private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
?j.a>{ {
Q!@M/@-Ky for(int i=0;i<e.Item.Cells.Count-1;i++)
|f fHOef if(e.Item.ItemType==ListItemType.EditType)
K?'m#}] {
)2?]c e.Item.Cells.Attributes.Add("Width", "80px")
zMbFh_dcq }
18rV Acj }
Y:TfD{Xgc *eIX"&ba 26.对话框
8p%0d`sX private static string ScriptBegin = "<script language=\"JavaScript\">";
K
$- * private static string ScriptEnd = "</script>";
IeYNTk&< e&VC}%m public static void ConfirmMessageBox(string PageTarget,string Content)
zl:by? {
6LCtWX string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
p7Wt(A }vZf&ib-
ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
-J+1V{ ~iH a^i?2* Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
:a;F3NJ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
it\$Pih] //Response.Write(strScript);
O~V^] }
q<q IT KMIe%2:b5 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
>=; -: g:Qq%' 1.1 取当前年月日时分秒
{. 9BG& currentTime=System.DateTime.Now;
auK9wQ%\ \{ EVRRXn 1.2 取当前年
gPk,nB int 年= DateTime.Now.Year;
:k1?I'q% -#f.}H' 1.3 取当前月
TF:'6#p int 月= DateTime.Now.Month;
hb3:,c( 7wx=# 1.4 取当前日
G|Et'k.F4 int 日= DateTime.Now.Day;
u.X]K:Yow #wIWh^^ Zy 1.5 取当前时
u>lt}0 int 时= DateTime.Now.Hour;
g,JfT^ .4%z$(+6 1.6 取当前分
h6D4CT int 分= DateTime.Now.Minute;
)mm0PJF~q _{k*JT2 1.7 取当前秒
>B0AJW/u int 秒= DateTime.Now.Second;
QNx]8r }qECpKa0 1.8 取当前毫秒
6}E>B{Y int 毫秒= DateTime.Now.Millisecond;
Nq`;\E.M qG;tD>jy 28.自定义分页代码:
62R";# K ,:(s=JN+ 先定义变量 :
C;m"W5+ public static int pageCount; //总页面数
H^n@9U;[K public static int curPageIndex=1; //当前页面
C5dM`_3L c%pf,sm' 下一页:
$~FZJ@qa if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Hj{.{V {
88_ef7w DataGrid1.CurrentPageIndex += 1;
Bu=1-8@=qs curPageIndex+=1;
iuY,E }
[oU\l+t Uyb0iQ-,s bind(); // DataGrid1数据绑定函数
`YqtI/-w S~aWun 上一页:
K-k!':K: if(DataGrid1.CurrentPageIndex >0)
<Tgy$Hm {
ulsU~WW7r DataGrid1.CurrentPageIndex += 1;
LhLAQ2~ curPageIndex-=1;
; H ;h[ }
/lC# !$9vz +I3Vfv bind(); // DataGrid1数据绑定函数
(%L/|F_ 8C3oi&av/{ 直接页面跳转:
-yqgs>R(d int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
A3/[9}(U gDU!dT if(a<DataGrid1.PageCount)
*`+zf7-f {
EX_j|/&tZ this.DataGrid1.CurrentPageIndex=a;
LMoZI0)x }
zr?s5RS 7!AyL w bind();
Y
]()v mh}D[K=~% 29.DataGrid使用:
6ncwa<q5 s*Qyd{"z 添加删除确认:
,VVA^'+ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0`S{>G {
Ps@']]4>W foreach(DataGridItem di in this.DataGrid1.Items)
}lp37, {
o+.L@3RT4 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
]\^O(BzB {
As46:<!2 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Y_[7q<L }
W Csf_1 }
9~W]D!m, }
\|S%zX w|&lRo@1 样式交替:
D-{*3?x ListItemType itemType = e.Item.ItemType;
sA?8i:]O: nBk&+SN if (itemType == ListItemType.Item )
d?X,od6 {
BmV`<Q, e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Zm0VaOT $I e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
W2X`%Tx0 }
}
TUr96 else if( itemType == ListItemType.AlternatingItem)
OS#aYER~/ {
F 6sQeU e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
nlB'@r e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
lkT :e)w }
]+Whv%M F3(SbM- 添加一个编号列:
EmT_T3v DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
~B{08%|oK DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
%/I:r7UR{ 3=n6NTL for(int i=0;i<dt.Rows.Count;i++)
_{'[Uf/l {
fCUx93,>z dt.Rows["number"]=(i+1).ToString();
|1_$\k9Y& }
H(;@7dh M#4;y,n<k DataGrid1.DataSource=dt;
a&JY x DataGrid1.DataBind();
{g nl6+j O W.CU=XU DataGrid1中添加一个CheckBox,页面中添加一个全选框
2+y wy^ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
RTlC]`IGT {
3?j:M]fR foreach(DataGridItem thisitem in DataGrid1.Items)
,Gv}N& {
H,TApF89A ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
2
)o2d^^ }
kHr-UJ! }
e^N~)Nlj >8{w0hh; 将当前页面中DataGrid1显示的数据全部删除
+PE-j| D foreach(DataGridItem thisitem in DataGrid1.Items)
2fkyz {
=SmU;t>t/ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
TP#Ncqh {
s/@uGC0> string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
@#hQ0F8 Del (strloginid); //删除函数
8B-PsS|' }
sT1k]duT }
! xM=7Q
k E8av/O
VUd 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)
%1p-DX6 @$kO7k0{g 在Application_Start中添加以下代码:
O-7)"
Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
YSxr(\~j AppSettings["ConnStr"].ToString();
Eg1TF oIWl 1d+Kn Jy 31. 变量.ToString()
^|oI^"IQ= q1xSylE 字符型转换 转为字符串
nW]CA~ 12345.ToString("n"); //生成 12,345.00
*2/qm:gB 12345.ToString("C"); //生成 ¥12,345.00
=U~53Tg 12345.ToString("e"); //生成 1.234500e+004
0.+Eo.AX4M 12345.ToString("f4"); //生成 12345.0000
JcYY*p 12345.ToString("x"); //生成 3039 (16进制)
KW'nW 12345.ToString("p"); //生成 1,234,500.00%
Kn$t_7AF^ bx2<WdLyT 32、变量.Substring(参数1,参数2);
- s'W^( Q1*_l 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);
vG6*[c8 fk15O_#3 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)
`0%;Gz%} <SCRIPT language="javascript">
=#4>c8MM <!--
whe%o function gook(pws)
{~]5QKg. {
ZYY~A_C frm.submit();
VWt=9D; }
sa<\nH$_X //-->
unFm~rcf SN")u </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
zk3\v
" <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
d]K8*a%[- <tr>
kz}Bc
F <td>
\kKd:C{ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
+68age;dM <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
}vx
4 6 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
(bsywM ;2`t0#J$] <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
6yUThv.G# <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
IC"ktv bHz dm_Pz\* </td>
T1RY1hb|g> ?Qd`Vlp7 </tr>
[oBRH]9cq
EJz!#f~ </form>
0n4( Rj|}2 `=V1w4J 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。
r91i : zV15d91GX 下面是获取用户输入的登陆信息的代码:
[V8^}s}tF string name;
&)Zv>P8z` name=Request.QueryString["EmailName"];
;D-k\kv UWqiA`, try
OhaoLmA}6 {
iu{;|E int a=name.IndexOf("@",0,name.Length);
;#Qv
)kS* f_user.Value=name.Substring(0,a);
">8oF.A^ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
O1X) f_pass.Value=Request.QueryString["Psw"];
<o|k'Y(- }
{Z!t:'x8 WFFd3TN%< catch
F 3q<j$y {
>}0H5Q8@ Script.Alert("错误的邮箱!");
Kx[+$Qt Server.Transfer("index.aspx");
~z41$~/ }