1. 打开新的窗口并传送参数:
<;O=h;
~| P^m+SAAB 传送参数:
+. /c=o/v response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
XMhDx Y[%1?CREP 接收参数:
HScj
string a = Request.QueryString("id");
+|}R^x`z string b = Request.QueryString("id1");
:g)0-gN k.bzh. 2.为按钮添加对话框
W>C!V Button1.Attributes.Add("onclick","return confirm(’确认?’)");
v*Tliw`-U button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
\b{Aj,6, u I$|M 3.删除表格选定记录
\zj _6Os int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
s_]p6M string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
$=dp) V]b1cDx{ 4.删除表格记录警告
&<I*;z6%t private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
*r!f! eA: {
{ 3``T o$ switch(e.Item.ItemType)
m87,N~DP {
k=w;jX&;` case ListItemType.Item :
.K?',x case ListItemType.AlternatingItem :
TU ]Ed*'& case ListItemType.EditItem:
6#~"~WfPQ TableCell myTableCell;
o`?0D)/O myTableCell = e.Item.Cells[14];
49f- u LinkButton myDeleteButton ;
\s<7!NAE4 myDeleteButton = (LinkButton)myTableCell.Controls[0];
:}d`$2Dz myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
J ytY6HF break;
.qVz rS default:
OJd!g/V break;
p.KX[I }
9hAS#|vK mv@cGdxu }
KTn,}7vZ 8
v NgePn 5.点击表格行链接另一页
x_9<&Aj6 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*8}Y0V\s {
=4GJYhj //点击表格打开
(]wi^dE if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
}.Eq_wP< e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
WqN=D5 }
\m-fLX ~~:w^(s9 双击表格连接到另一页
a%*l]S0z" ~ILig}I 在itemDataBind事件中
Q(SVJ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1xK'1g72 {
xt]Z{:. string OrderItemID =e.item.cells[1].Text;
SQ#6~zxl ...
d
q=>-^o e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
l@`D;m }
MWf ]U l,uYp"F,ps 双击表格打开新一页
eeIh }t>[ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
x4v@Kk/ {
w+VeT @ string OrderItemID =e.item.cells[1].Text;
8+vZ9!7 ...
?]gZg[ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
@C)O[&Sk }
lhg3
}dW T!$7:% D ★特别注意:【?id=】 处不能为 【?id =】
E_&Hje|J_[ 6.表格超连接列传递参数
".L+gn}u- <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
9fD4xkRS <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
)/k0*:OMyO 0z?b5D; 7.表格点击改变颜色
^}; 4r if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0?uX}8w {
k5G(7Ug=g~ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
.d`+#1Ot( this.style.color=’buttontext’;this.style.cursor=’default’;");
T=cSTS!P;q }
Rf@D]+v $,08y 写在DataGrid的_ItemDataBound里
\V@SCA' if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
*Yv"lB8 {
2&91C[da0 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
$;un$ko6% this.style.color=’buttontext’;this.style.cursor=’default’;");
7SzY0})<U e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
N_<sCRd]9 }
/H.QGPr \3K 6NA!L BmYU#h 8.关于日期格式
8)/i\=N3; GkMNV7"m 日期格式设定
gd<8RVA DataFormatString="{0:yyyy-MM-dd}"
oTZ?x}Z1 "?,3O2t 我觉得应该在itembound事件中
FD(zj ^* e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
6QdNGpN O%v(~&OSl 9.获取错误信息并到指定页面
^)N[x''a ^&<~6y}U^ 不要使用Response.Redirect,而应该使用Server.Transfer
47I:o9E >_M}l@1 e.g
>V(>2eD'S // in global.asax
.jMm-vox} protected void Application_Error(Object sender, EventArgs e) {
mFayU w if (Server.GetLastError() is HttpUnhandledException)
]i*q*]x2u Server.Transfer("MyErrorPage.aspx");
&QE^i%6>\ ';V(sRU@ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
I^Ichn }
*lv)9L+0 Y~1}B_ 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
etf ft8 La%\-o 10.清空Cookie
)DMu`cD Cookie.Expires=[DateTime];
)ufHk Response.Cookies("UserName").Expires = 0
%Hv$PsSJ aM 0kV.O 11.自定义异常处理
x6HebIR+ //自定义异常处理类
nzy =0Ox[ using System;
uZZ[`PA( using System.Diagnostics;
QxnP+U~N 3DK^S2\zBm namespace MyAppException
o!mfd}nG {
d;S:<]l' /// <summary>
->wY|7 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
;]fpdu{ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
hgj#VY$B /// </summary>
j>&n5? public class AppException:System.ApplicationException
[2w3c4K {
y- k?_$M public AppException()
el!Bi>b9c! {
w|WZEu:0| if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
^a; V-US }
4W9!_:j(j *p?b "{_a public AppException(string message)
q`1t*<sk {
7qE V5! LogEvent(message);
qNHS 1 }
w GZ(bKyO *"
<tFQ public AppException(string message,Exception innerException)
{N5g52MN {
7~\Dzcfk"P LogEvent(message);
NOyLZa' if (innerException != null)
QXJD'c {
ZC"6B(d LogEvent(innerException.Message);
]+0-$t7Y }
m?<8 ': }
R
$'}Z 3FPy"[[ //日志记录类
&Wd,l$P<O using System;
2?t(%uf] using System.Configuration;
e::5|6x using System.Diagnostics;
hPr using System.IO;
#!#V!^ o using System.Text;
6?*iIA$b using System.Threading;
]p'Qk N["c*=x namespace MyEventLog
HKOJkbVZ2^ {
u
MzefRN /// <summary>
yfTnj:Fz /// 事件日志记录类,提供事件日志记录支持
n_Um)GI> /// <remarks>
u;J= g /// 定义了4个日志记录方法 (error, warning, info, trace)
\(T;@r /// </remarks>
""pJO 6bI /// </summary>
/bCrpcH public class ApplicationLog
([f6\Pw\ < {
jv2l_ /// <summary>
eg(xN/D /// 将错误信息记录到Win2000/NT事件日志中
qgZ(o@\ /// <param name="message">需要记录的文本信息</param>
!YJdi~q
/// </summary>
AX'(xb, public static void WriteError(String message)
}i[i{lKj {
t ?bq~!X WriteLog(TraceLevel.Error, message);
/SMp`Q88 }
S\0"G* :\80*[=;Z /// <summary>
yrsP'th /// 将警告信息记录到Win2000/NT事件日志中
_9n.ir5YX /// <param name="message">需要记录的文本信息</param>
u x:,io /// </summary>
S<p
"k] public static void WriteWarning(String message)
sK?[1BI {
?rBj{]= WriteLog(TraceLevel.Warning, message);
8(3vNuyP }
1&jX~' 44%::Oh /// <summary>
>5^Z'!Z" /// 将提示信息记录到Win2000/NT事件日志中
[*}[W6
3v /// <param name="message">需要记录的文本信息</param>
;/oMH/,U8 /// </summary>
{qLnwy!i public static void WriteInfo(String message)
Mqc[IAcd] {
9!9 Gpi WriteLog(TraceLevel.Info, message);
Ch;EnN< }
gEi"m5po /// <summary>
q,:\i+>K* /// 将跟踪信息记录到Win2000/NT事件日志中
9,y&?GLP /// <param name="message">需要记录的文本信息</param>
?R,^prW{ /// </summary>
fd+kr# public static void WriteTrace(String message)
{ReAl_Cm {
|AFF*]e S WriteLog(TraceLevel.Verbose, message);
)3)L }
H>M%5bj (^Nf;E /// <summary>
&q":o 'q /// 格式化记录到事件日志的文本信息格式
d+&V^qLJ /// <param name="ex">需要格式化的异常对象</param>
m k -"
U7; /// <param name="catchInfo">异常信息标题字符串.</param>
v0$6@K;M4G /// <retvalue>
9MHb<~F /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
ny=CtU!z /// </retvalue>
(Mtc&+n{ /// </summary>
=_ rn8 public static String FormatException(Exception ex, String catchInfo)
V7lDuiAI {
-q+Fj;El StringBuilder strBuilder = new StringBuilder();
0A1l"$_| if (catchInfo != String.Empty)
kN}.[enI~ {
u8?ceM^r strBuilder.Append(catchInfo).Append("\r\n");
R8],}6,;E} }
zb;'}l;+ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
l>qCT return strBuilder.ToString();
t#P)KcWOt }
q>Q|:g&: siD Sm /// <summary>
&0>{mq}p,: /// 实际事件日志写入方法
e9%6+9Y /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
5n9F\T5 /// <param name="messageText">要记录的文本.</param>
QGLm4 Wl9 /// </summary>
.IKK.G private static void WriteLog(TraceLevel level, String messageText)
" g_\W {
BV!Kiw try
`E|IMUB~ {
we} sC, EventLogEntryType LogEntryType;
;bAy7 switch (level)
I)Y$?" {
|Zt=8}di case TraceLevel.Error:
jM7}LV1Ck LogEntryType = EventLogEntryType.Error;
+u)' break;
l|&|+u# case TraceLevel.Warning:
o_5|L9 LogEntryType = EventLogEntryType.Warning;
0\h2& break;
qA"?5 j32 case TraceLevel.Info:
B'
:ZX-Q) LogEntryType = EventLogEntryType.Information;
P{}Oe
*9" break;
5:s]z#8) case TraceLevel.Verbose:
0c3G_I= LogEntryType = EventLogEntryType.SuccessAudit;
lZ.,"F@ break;
Q`//HOM, default:
G)e 20Mst LogEntryType = EventLogEntryType.SuccessAudit;
k~q[qKb8y: break;
[j![R }
94a_ W9 3aDma/ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
|2oB3 \)/ //写入事件日志
[0~qs|27 eventLog.WriteEntry(messageText, LogEntryType);
>K
&b,o,[ '.dW>7 }
#Kh`ATme catch {} //忽略任何异常
ar^`r!ABEh }
:JN3@NsK } //class ApplicationLog
yqBu7E$X }
Iy,)>V%iZV D^TKv;%d 12.Panel 横向滚动,纵向自动扩展
_n_i*p
'2 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
F_21`Hj o3W5FHFAv 13.回车转换成Tab
u#P7~9ZG- <script language="javascript" for="document" event="onkeydown">
'PO1{&M if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
4o=G) KO{ event.keyCode=9;
X'u`\<&W </script>
|BW956fBU }YSH8d onkeydown="if(event.keyCode==13) event.keyCode=9"
Qy$QOtrv PAc~p8S 14.DataGrid超级连接列
MRC5c:( DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
,>g
6OU2~6 /0\pPc*kA{ 15.DataGrid行随鼠标变色
(&gCVf private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!l\pwfXP&% {
UbYKiLDF) if (e.Item.ItemType!=ListItemType.Header)
Mr1pRIYMd {
:5Vu.\,1 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
s e1ipn_A e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
9z-"JnM }
?Z!KV= }
sV+>(c-$ *o>E{ 16.模板列
B#gmT2L <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
es6e-y@e <ITEMTEMPLATE>
pE`(kD <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
\UC4ai2MK </ITEMTEMPLATE>
1rKR=To </ASP:TEMPLATECOLUMN>
.DX#:?@4@Y +amvQ];?Q8 <ASP:TEMPLATECOLUMN headertext="选中">
awawq9)Y <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
O@$hG8: <ITEMTEMPLATE>
3gM{lS}h# <ASP:CHECKBOX id="chkExport" runat="server" />
qJK^i.e </ITEMTEMPLATE>
2cDC6rul <EDITITEMTEMPLATE>
$wN .~"T <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Z/I!\ </EDITITEMTEMPLATE>
Q\rqG </ASP:TEMPLATECOLUMN>
i3~!ofTb zZRqb/20 后台代码
lfKknp#B/O protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
ZD<,h`
lZ {
V|D;7 //改变列的选定,实现全选或全不选。
Zb1v CheckBox chkExport ;
OYzJE@r^ if( CheckAll.Checked)
lAGxE-B^a" {
Kzm_AHA) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
f&`*x t/ {
q[#\qT&QU chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=MXF`k^} chkExport.Checked = true;
^U =`Rx }
V.F 's(o }
EW!$D else
Y!`?q8z$G {
d.+vjMI foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Zu$f[U)X {
|Bn=$T] chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
f4_\F/ chkExport.Checked = false;
i-<=nD&?t }
j\vK`.z }
bXW)n<y }
vBpg6
fX Y1~SGg7(@ 17.数字格式化
H )}WWXK \(CW?9) 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
{$t*Mb0 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
MT5A%|H e TAi\#cnl(6 int i=123456;
\XN5)) string s=i.ToString("###,###.00");
|x4yPYBL =4D_-Q 18.日期格式化
KCu6:)6' HLk"a-+' 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
nsp K.*? Z:hrrq9 显示为: 2004-8-11 19:44:28
kziBHis! z|<oxF. 我只想要:2004-8-11 】
5:d2q<x:{ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
{XX Nl)% StL[\9~: 应该如何改?
gB(W`:[ 9O Q4\ 【格式化日期】
t/ 1NTa _pGviGR 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
,OCTm%6e xdM#>z`; 【日期的验证表达式】
2P
?Iu& >>cd3)b A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Bg
h$P ^((\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})))?$
&-:yn&f7 l{U 3; B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
6y_Z'@L ^\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]))$
[J`G`s! % 4"~O
_S 【大小写转换】
gL"}5 3A HttpUtility.HtmlEncode(string);
`Cf
en8 HttpUtility.HtmlDecode(string)
Y/66`&,{ +I n"OR% 19.如何设定全局变量
g)A0PvEu 1.H!A@ Global.asax中
V^z;^mdd )T5h\ZO`; Application_Start()事件中
;"^9L .^S78hr]n 添加Application[属性名] = xxx;
F\R}no5C cOZ^huK 就是你的全局变量
1$VI\} E@6r{uZ# 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
$tHwJ!<$& &U*J{OP| HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
!O6Is'%B ls\E%d 【ASPNETMENU】点击菜单项弹出新窗口
)hW {>Y3x }.) 43(>] 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
4_I{Q^f <?xml version="1.0" encoding="GB2312"?>
d`<^+p)oy <MenuData ImagesBaseURL="images/">
=k=2~
j <MenuGroup>
YiuOu(X <MenuItem Label="内参信息" URL="Infomation.aspx" >
9:i,WJO <MenuGroup ID="BBC">
(y=o]Vy <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
FTnQqDuT <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
[0ffOTy ......
Ju7C?)x $cK
B+} 最好将你的aspnetmenu升级到1.2版
} !<cph w
a<C*o 21.读取DataGrid控件TextBox值
{U '&9_y foreach(DataGrid dgi in yourDataGrid.Items)
25c!-.5D {
.0E4c8R\X TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
by]|O tb.Text....
<1+6O[>{ }
~:<@ ` !b->u_ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
v6-~fcX0G s|j<b#<xQ 〖思归〗
fEG3b#t N <asp:TemplateColumn HeaderText="数量">
`ab\i`g9 <ItemTemplate>
Y0yO`W4 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
\seG2vw$ onkeyup="javascript:DoCal()"
Rfc&OV />
%Fg8l{H3 ,e FQ}&^A <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
N%rL=zE </ItemTemplate>
FgQ_a/* </asp:TemplateColumn>
if[o?6U4t NZC='3Uz <asp:TemplateColumn HeaderText="单价">
@Du}
<ItemTemplate>
Y`7#[g <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
#!Cter2 onkeyup="javascript:DoCal()"
#G+ />
-Bo~"q E'^]zW=9 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
?hJsN bjPbl2K </ItemTemplate>
-V
u/TT0 </asp:TemplateColumn>
)=E~CpKV ,J(5@8(>a <asp:TemplateColumn HeaderText="金额">
T$^>Fiz{Se <ItemTemplate>
$#7J\=GZ+ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
4%fN\f </ItemTemplate>
.)@tXH=}+ </asp:TemplateColumn><script language="javascript">
3']:1B function DoCal()
+8)]m< {
8f,'p}@!d var e = event.srcElement;
mo#0q&ZQ var row = e.parentNode.parentNode;
HA9Nr.NqC@ var txts = row.all.tags("INPUT");
=tc`:!$ if (!txts.length || txts.length < 3)
nK h%E-c return;
[%84L@:h %g0z)J var q = txts[txts.length-3].value;
#x5 N{8 var p = txts[txts.length-2].value;
w38c NB3Syl8g if (isNaN(q) || isNaN(p))
XiRT|%j return;
[7e{=\`= 02W4-*) q = parseInt(q);
xZP >g p = parseFloat(p);
bwSRJFqb 5hJYy`h~ txts[txts.length-1].value = (q * p).toFixed(2);
@4_rx u& }
yC'hwoQ` </script>
V%BJNJ 5fegWCJ l$-=Pqb xxoHH#a f
OM^V{)T 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。
2E3?0DL", page_load
U1> page.smartNavigation=true
O2q=gYX>\ \]U<hub 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 ?
hC|5e|S private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
[%7;f|p? {
NMl ?Y uEv for(int i=0;i<e.Item.Cells.Count-1;i++)
m@G<ZCMZ if(e.Item.ItemType==ListItemType.EditType)
/o|PA:6J {
xTJSr2f e.Item.Cells.Attributes.Add("Width", "80px")
#a(%(k S }
M<A;IOpR+ }
`J>E9p< '&-5CpDUs 26.对话框
#QTfT&m+G} private static string ScriptBegin = "<script language=\"JavaScript\">";
:F^$"~(, private static string ScriptEnd = "</script>";
~KAp\!, Y]~ HAv ' public static void ConfirmMessageBox(string PageTarget,string Content)
]27>a"p59Y {
FJa[ToZ4+ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
$u; >hk R3B5-^s ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
`26V`%bPkr 0'yG1qG Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
S,*{q( ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
NK7H,V}T //Response.Write(strScript);
c<=`<!FS[ }
|
V.S.'
xb =8t! 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
5JBB+g 0" U5oP[ 1.1 取当前年月日时分秒
"UQr :/ currentTime=System.DateTime.Now;
Gur8.A;Y V[o7Jr~ 1.2 取当前年
SON^CvMs{ int 年= DateTime.Now.Year;
{D_++^ ^&+zA,aL,A 1.3 取当前月
7tpAZ<{ int 月= DateTime.Now.Month;
MxO
W)$f 3>-[B`dD( 1.4 取当前日
xm<v">< int 日= DateTime.Now.Day;
l |08 :y+B;qw 1.5 取当前时
6=ZRn gQ int 时= DateTime.Now.Hour;
Q`.'-iq jo9J%vo 1.6 取当前分
>Z#uFt0<Pm int 分= DateTime.Now.Minute;
)-bD2YA{ 5h`m]#YEG 1.7 取当前秒
NuC-qG# int 秒= DateTime.Now.Second;
r NxrQ K\RWC4 1.8 取当前毫秒
J+ Jt4 int 毫秒= DateTime.Now.Millisecond;
AMbKN2h1f DMF?5GX 28.自定义分页代码:
J[e} $|4cJ#;^L 先定义变量 :
!oZQ2z~ public static int pageCount; //总页面数
%04:z77 public static int curPageIndex=1; //当前页面
i{o#3 [Ja)<!]< 下一页:
_1I K$gb[ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
@%6)^]m}r {
kQ@gO[hS DataGrid1.CurrentPageIndex += 1;
UZzNVIXA% curPageIndex+=1;
]i-P-9PA4 }
^I]LoG: P@qMJ}<j bind(); // DataGrid1数据绑定函数
H_VEPp,T rHvF%o 上一页:
_Zh2eXWdjM if(DataGrid1.CurrentPageIndex >0)
4bP13f {
J'oDOn.M DataGrid1.CurrentPageIndex += 1;
8';m)Jc curPageIndex-=1;
r
eGm> }
"hL9f=w {DU"]c/S bind(); // DataGrid1数据绑定函数
q_cC7p6t ~mtTsZc 直接页面跳转:
}1 $h xfb int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
+ c`AE M2}np if(a<DataGrid1.PageCount)
O`cdQu {
H5~1g6b@ this.DataGrid1.CurrentPageIndex=a;
dVa!.q_3 }
DhZ:#mM{ Ve)ClH/DW bind();
YPu9Q ?N:B 29.DataGrid使用:
rvW!7-R 2;8Xz6T 添加删除确认:
$30oc
Tt{ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
J0=7'@(p {
UcgG foreach(DataGridItem di in this.DataGrid1.Items)
rVY?6OMkd {
t{!/#eQC if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
)IQ* {
k^z0Lo|)' ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
=4eUAeH {w }
#,G1R7 }
1Q]Rd }
|+98h&U~ Z .quh; 样式交替:
_1ew(x2J ListItemType itemType = e.Item.ItemType;
2gt+l?O<PS ^EF'TO$ if (itemType == ListItemType.Item )
yf!,4SUkU {
zJ;Rt9<7- e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
nTPB,QE< e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
2UiR~P]% }
~/2g)IS else if( itemType == ListItemType.AlternatingItem)
{;*}WPYb {
]bm=LA e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
"f4<B-9<$ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
;J]25j]] }
w!\3ICB TXjloGv^ 添加一个编号列:
Wbe0ZnM] DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
9RH"d[%yc} DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
n@hl2M6.x9 >L gVj$Z for(int i=0;i<dt.Rows.Count;i++)
xRlYr# % {
B@ {&< dt.Rows["number"]=(i+1).ToString();
n#4Gv|{XMD }
[>f]@> ,9d9_c.T DataGrid1.DataSource=dt;
/%!~x[BeJ> DataGrid1.DataBind();
e'34Pw!m Pe}PH
I DataGrid1中添加一个CheckBox,页面中添加一个全选框
u^=`%) private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
L;S}s, 2x {
qy
,"X)^# foreach(DataGridItem thisitem in DataGrid1.Items)
?n.)&ZIx0 {
qNxB{0(D ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
VevNG* }
Fi4UaJ3K }
rFey4zzz pLnB)z? 将当前页面中DataGrid1显示的数据全部删除
h./P\eDc foreach(DataGridItem thisitem in DataGrid1.Items)
v8m`jxII64 {
?sXG17~Bm if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
=\Iu$2r` {
z<B CLP string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
z}+i=cAN Del (strloginid); //删除函数
]!Oue_-; }
Lu=O+{*8 }
je%l dY]/@ UX2lPgKdLz 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)
hJf2o E=AVrv5T 在Application_Start中添加以下代码:
jZd}OC< Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
2/B)O)#ls AppSettings["ConnStr"].ToString();
1oty*c xzm@
v( 31. 变量.ToString()
)6-9)pH@) [ ny6W9 字符型转换 转为字符串
ZSB?Y1wG 12345.ToString("n"); //生成 12,345.00
@pFj9[N 12345.ToString("C"); //生成 ¥12,345.00
71"+<C . 12345.ToString("e"); //生成 1.234500e+004
]a?bzOr, 12345.ToString("f4"); //生成 12345.0000
$shp(T,q 12345.ToString("x"); //生成 3039 (16进制)
X:EEPGE 12345.ToString("p"); //生成 1,234,500.00%
8md*wEjk &^!h}D%T/ 32、变量.Substring(参数1,参数2);
8AL\ST51x" 6ZOy&fd,Ty 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
1$pb (OK XN;&qR^j 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)
U]R~ gy}# <SCRIPT language="javascript">
Zgamd1DJ[l <!--
})Yv9],6 function gook(pws)
P`(Mk6gE {
lr~0pL frm.submit();
!l 6dg& }
N|K4{Frm //-->
uwmQ?LS]V TTZe$>f </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
~aTKG|74 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
<jA105U"m> <tr>
tU@zhGb <td>
"35A/V <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
]*N1t>fb <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Udgqkl <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
}^%xvmQ\] taWqSq! <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
I:l01W; <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
+v7) 1y [
MyE2^ </td>
UzG[:ic% mJ5H=&Z </tr>
S,jZ3^ 4_^[=p/R </form>
nh.32q] /M=3X|| 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。
*[}^[J
x "rhYCZ B 下面是获取用户输入的登陆信息的代码:
.0p^W9 string name;
N|usFqCNk^ name=Request.QueryString["EmailName"];
N( Oyi "_1)CDqP try
J G$Z.s {
G~,:2
o3 int a=name.IndexOf("@",0,name.Length);
WsGths+[ f_user.Value=name.Substring(0,a);
%, P>%'0 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
*ZrSiIPP f_pass.Value=Request.QueryString["Psw"];
B?bW1 }
12UD19! 8LzBh_J? catch
WXw}^v {
jgv`>o%<W Script.Alert("错误的邮箱!");
u]*0;-tz Server.Transfer("index.aspx");
YJeyIYCs< }