1. 打开新的窗口并传送参数:
YMqL,&Q{1 QHtpCNTVb 传送参数:
& qd:o} response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
n=hz7tjaz W,w g@2 接收参数:
|#!25qAT string a = Request.QueryString("id");
G-,PsXSwe string b = Request.QueryString("id1");
:5@7z9 > w8>T ~Mv 2.为按钮添加对话框
VFG)|Z Button1.Attributes.Add("onclick","return confirm(’确认?’)");
.@=d I button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
:i:Zc~% wl(}F^:/` 3.删除表格选定记录
=PO/Q|-v? int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
?8vjHEE string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
_>3GNvS G?jY>;P) 4.删除表格记录警告
FVF:1DT private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
2hU4g
e?6 {
zxwpS switch(e.Item.ItemType)
A3 j>R477A {
5{cAawU. case ListItemType.Item :
i<=@7W case ListItemType.AlternatingItem :
rV2}> k case ListItemType.EditItem:
_$Z46wHmB TableCell myTableCell;
Do2y7,jv myTableCell = e.Item.Cells[14];
S"N@.n[ LinkButton myDeleteButton ;
LU;ma((yy[ myDeleteButton = (LinkButton)myTableCell.Controls[0];
D(Xv shQ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
|mci-ZT break;
5|H?L@_9 default:
vz@QGgQ9~2 break;
;5 IS58L }
guFR5>-L D0"+E* }
gs0,-) gvwR16N 5.点击表格行链接另一页
_VY] private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
45ct*w {
3c-ve$8u~ //点击表格打开
'n>|jw) if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
e@F&/c e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
yChC&kX
Z+ }
7a@V2cr@ %e1<N8E4 双击表格连接到另一页
'*)!&4f U?>zq!C&R 在itemDataBind事件中
;#f%vs>Y7i if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
faMUd#o& {
*23 string OrderItemID =e.item.cells[1].Text;
q)@.f. ...
R`
X$@iM e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
.cu5h }
9N'$Y*. d< CQv
[Od 双击表格打开新一页
-R&h?ec if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
b_wb!_ {
%lV>Nc|iz= string OrderItemID =e.item.cells[1].Text;
.h7b 4J ...
sav2 .w e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
MfYe @;m }
1noFXzeU3 fcV/co_S6 ★特别注意:【?id=】 处不能为 【?id =】
[5m;L5 6.表格超连接列传递参数
?*4]LuK6 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
LO` (V <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
ef,6>xv x/9`2X`~ 7.表格点击改变颜色
- MBK/ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
~zRW*pd {
4|Y0$(6o e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
?V7[,I1? this.style.color=’buttontext’;this.style.cursor=’default’;");
+mF}j=k }
R[_7ab]A T /]ayc: 写在DataGrid的_ItemDataBound里
'{7A1yJnY% if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
kg
!@i 7 {
+<3tv&" e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
]B5\S this.style.color=’buttontext’;this.style.cursor=’default’;");
O+'Pq,hn e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
HP?e?3.T }
5_`.9@eh. /&kTVuN"( ,'ndQ{\9 8.关于日期格式
XeZv%` ? ?G8 D6 日期格式设定
kdoE)C DataFormatString="{0:yyyy-MM-dd}"
KNK0w 5 ("{AY?{{ 我觉得应该在itembound事件中
$s)
^zm~ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
j" YJ1R-5 Q
|l93Rb` 9.获取错误信息并到指定页面
lGcHfW)Y 67n1s 不要使用Response.Redirect,而应该使用Server.Transfer
c)$/Uu 6QxLHQA e.g
~u3I=b // in global.asax
.t~I[J\< protected void Application_Error(Object sender, EventArgs e) {
f'#7i@Je if (Server.GetLastError() is HttpUnhandledException)
O %)+ w Server.Transfer("MyErrorPage.aspx");
F*]AjD- $jw!DrE //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
z:fd'NC }
<:%Iq13D YJ:CqTy Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Duz}e80 >iG` 10.清空Cookie
xy|;WB Cookie.Expires=[DateTime];
>\@6i
s Response.Cookies("UserName").Expires = 0
gbI0?G6XN/ C6/,-?%) 11.自定义异常处理
x^C,xP[#Y; //自定义异常处理类
^ qE4:|e using System;
+$v$P!), using System.Diagnostics;
9VP|a- +J#H9>To! namespace MyAppException
}>p)|YT"/ {
:jUd?( /// <summary>
%n-LDn /// 从系统异常类ApplicationException继承的应用程序异常处理类。
yyiZV\ / /// 自动将异常内容记录到Windows NT/2000的应用程序日志
[F6=JZ /// </summary>
-
+>~ public class AppException:System.ApplicationException
Bp4QHv9xqL {
KH@M &
>=^ public AppException()
0"<gg5 {
n#x{~oQc if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
3[8'pQ!& }
<xc"y|7X qWP1i7]=/ public AppException(string message)
Y$'fds4P {
sG^b_3o)A LogEvent(message);
:v&GAs6H }
Q.cxen ZPMX19 public AppException(string message,Exception innerException)
(zTr/ {
u}u2{pO! LogEvent(message);
3K54: if (innerException != null)
9{>m04888 {
Nf$Y-v?i LogEvent(innerException.Message);
tfdP#1E }
-EITz }
.$?s :t *D|6g|Hb //日志记录类
h`5au<h< using System;
Q_@
Z.{ using System.Configuration;
~ae68&L6 using System.Diagnostics;
W'6*$Ron using System.IO;
&<v#^2S3 using System.Text;
Z\@vN[[ using System.Threading;
xat)9Yb}0 3xj<ATSe namespace MyEventLog
9K)OQDv%6D {
.Yh-m /// <summary>
{Y
IVHl /// 事件日志记录类,提供事件日志记录支持
SXgpj /// <remarks>
<Q szmE /// 定义了4个日志记录方法 (error, warning, info, trace)
fHwh6| /// </remarks>
;9;.!4g/T /// </summary>
[KCh,'& public class ApplicationLog
(:@qn+
a {
EJL45R> /// <summary>
iVmf/N@A| /// 将错误信息记录到Win2000/NT事件日志中
f2yc]I<lr~ /// <param name="message">需要记录的文本信息</param>
b7"pm)6 /// </summary>
SHhg&~B public static void WriteError(String message)
A
#ZaXu/:X {
"\>
<UJ WriteLog(TraceLevel.Error, message);
)Hw;{5p@ }
[q_Yf!(m- Iy e /// <summary>
`~*qjA /// 将警告信息记录到Win2000/NT事件日志中
?VReKv1\ /// <param name="message">需要记录的文本信息</param>
f^0vkWI2 /// </summary>
}3N8EmS public static void WriteWarning(String message)
`uGX/yQ#= {
7p2x}[ .\ WriteLog(TraceLevel.Warning, message);
9]hc{\ }
)_+#yaC ,`H=%# /// <summary>
'jmcS0f
- /// 将提示信息记录到Win2000/NT事件日志中
dJCu`34Y'| /// <param name="message">需要记录的文本信息</param>
uOZ+9x( /// </summary>
lr^- public static void WriteInfo(String message)
+mAMCM2N {
T@k&YJ
WriteLog(TraceLevel.Info, message);
t6js@Ih }
:*Ckq~[Hg /// <summary>
M@csB. ' /// 将跟踪信息记录到Win2000/NT事件日志中
4W^0K|fq /// <param name="message">需要记录的文本信息</param>
+IJpqFH /// </summary>
;'cv?3Y public static void WriteTrace(String message)
Lu-owP7nB {
@NX^__sa WriteLog(TraceLevel.Verbose, message);
MA"iM+Ar }
]>:%:-d6 s31^9a /// <summary>
^3*gf} /// 格式化记录到事件日志的文本信息格式
b6g,mzqu /// <param name="ex">需要格式化的异常对象</param>
6
*Q5.g /// <param name="catchInfo">异常信息标题字符串.</param>
t F`>.= /// <retvalue>
tT'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>
`&0?e- /// </retvalue>
Wx:_F; /// </summary>
Gb~q:&IUr public static String FormatException(Exception ex, String catchInfo)
ZwG+ rTW {
|a'Q^aT StringBuilder strBuilder = new StringBuilder();
J'2R-CI, if (catchInfo != String.Empty)
i?|K+"=D {
:B"'49Q` strBuilder.Append(catchInfo).Append("\r\n");
Cr(pN[, }
AV%Q5Mi} strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
!nykq}kPN\ return strBuilder.ToString();
Gt- -7S }
4(Y5n? / ]kKf4SJZFU /// <summary>
}H^# } /// 实际事件日志写入方法
d(fgv /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
TcRnjsY$ /// <param name="messageText">要记录的文本.</param>
L{(r@Vu /// </summary>
7N'F]x private static void WriteLog(TraceLevel level, String messageText)
a^sR?.+3 {
4e*0kItC try
i*2z7M Y
{
f+/^1~^ EventLogEntryType LogEntryType;
-3KB:K< switch (level)
rhL<JTS {
2|Tt3/Rn case TraceLevel.Error:
,PIdPaV-- LogEntryType = EventLogEntryType.Error;
h8S%Q|- break;
b^A&K@[W#, case TraceLevel.Warning:
=OjzBiHR LogEntryType = EventLogEntryType.Warning;
/=Xen
mmS break;
+mxs jcq0 case TraceLevel.Info:
A"9aEOX-?i LogEntryType = EventLogEntryType.Information;
flb3Iih break;
2c+q~8Jv case TraceLevel.Verbose:
.+B!mmp LogEntryType = EventLogEntryType.SuccessAudit;
Fs&m'g break;
H|,{^b@9 default:
A.<X78!^ LogEntryType = EventLogEntryType.SuccessAudit;
5B98}N break;
Ha 3XH_ }
Y}|78|q* )8 iDjNM< EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
iJsw:Nc //写入事件日志
R>Zn$%j\ eventLog.WriteEntry(messageText, LogEntryType);
?xeq*<qfI 2TAy'BB;) }
4+ 4?0R catch {} //忽略任何异常
X>Xpx<RY! }
SX
FF } //class ApplicationLog
<v{jJ7w }
,lN!XP{M6w OTV)#,occ 12.Panel 横向滚动,纵向自动扩展
:I&iDS>u1 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
4P`\fz sRoZvp5 13.回车转换成Tab
WUqAPN <script language="javascript" for="document" event="onkeydown">
X;}_[=- if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
sI^1c$sBN event.keyCode=9;
Ex*g>~e </script>
bNL E=#ro r &TxRsg{ onkeydown="if(event.keyCode==13) event.keyCode=9"
0+S:2i/G VK|!aqA{b 14.DataGrid超级连接列
[NKWudq DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
?X:RrZ:/ wvq<5gy} 15.DataGrid行随鼠标变色
NS&~n^*k< private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
33u7 {
QZwRg&d<o if (e.Item.ItemType!=ListItemType.Header)
}D=h"\_= {
`Cb$8;)z e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
f[ER`! e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
tv;3~Y0i }
-7+Fb^"L }
:ss9- [hFyu|I! 16.模板列
Z:n33xh=< <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
.{8lG^0U< <ITEMTEMPLATE>
{'vvE3iZ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
ZW\h,8% </ITEMTEMPLATE>
|kVxrq </ASP:TEMPLATECOLUMN>
GZ4{<QG Riw>cVi~ <ASP:TEMPLATECOLUMN headertext="选中">
!$d:k|b <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
s5z@`M5'm <ITEMTEMPLATE>
:;|x'[JoE? <ASP:CHECKBOX id="chkExport" runat="server" />
a~{Stv </ITEMTEMPLATE>
7,O^c+ <EDITITEMTEMPLATE>
c=Z#7?k=Uz <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
n09|Jzv9 </EDITITEMTEMPLATE>
NtT)Wl </ASP:TEMPLATECOLUMN>
ivGxtx "Dy&` 后台代码
X0=R
@_KY protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
'kUrSM'*$N {
$jc>?.6 //改变列的选定,实现全选或全不选。
OPjscc5 CheckBox chkExport ;
=l_eliM/ if( CheckAll.Checked)
8 zY)0 {
=]Ek12. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
q$HBPR4h {
9(B) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
'dht5iI;Yw chkExport.Checked = true;
f,?7,? x }
DSnsi@Mi }
s ^}V else
(8>k_ {
^\wosB3E foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
](0A/,#q6 {
^^ ?ECnpcU chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
979L] H# chkExport.Checked = false;
e%f8|3<6 }
B
j*X_m }
o@>5[2b4 }
CiMN J N4D_ 43jz 17.数字格式化
Z`:V~8=l )
.]Z}g& 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
DSIa3!0 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
{wMCo, \ KPz int i=123456;
T string s=i.ToString("###,###.00");
Sa@Xh,y Z ZERd#7@m+ 18.日期格式化
%Ajf|Go0/G lc/2!:g 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
p~e6ah?1 Z2LG/R 显示为: 2004-8-11 19:44:28
{!EbGIh "%Rx;xw| 我只想要:2004-8-11 】
P|6m%y <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
,*bxNs'/ }y0UyOa{C 应该如何改?
#G\)ZheG u{_T,k<! 【格式化日期】
Y- w5S|! 2Nj0 Hqjq
取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
`bx gg'V r<0.!j%c 【日期的验证表达式】
zPVA6~|l N
.SszZh A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Nd( $s[ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
0_Y;r{3m" _mn4z+ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
hxtu^E/ ^\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]))$
U 26Iz /Ia#udkNMp 【大小写转换】
U3Dy:K[ HttpUtility.HtmlEncode(string);
3*'!,gK~[ HttpUtility.HtmlDecode(string)
HWHGxg['r .jRXHrK; 19.如何设定全局变量
k r/[|.bq CE+\|5u
W Global.asax中
vu*08<M~i| WM"I
r1 Application_Start()事件中
7sFjO/a* H-S28%. 添加Application[属性名] = xxx;
E]e6a^J#
4f/8APA 就是你的全局变量
WRNO) f< 5^5h%~)} 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
+^%F8GB ,R]7{7$ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
UV:_5"- ,0])] 【ASPNETMENU】点击菜单项弹出新窗口
|fa3;8!96 $60+}B`m 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
q_I ''L <?xml version="1.0" encoding="GB2312"?>
"%sW/ph <MenuData ImagesBaseURL="images/">
#q=?Zu^Da <MenuGroup>
<Siz5qQI4 <MenuItem Label="内参信息" URL="Infomation.aspx" >
y6Rg@L&U <MenuGroup ID="BBC">
muY4:F.C( <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
mH8"k+k <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
=?/J.[)<* ......
\?}ZXKuJj "q%Q[^b 最好将你的aspnetmenu升级到1.2版
uEk$Y=p7! W"~G]a+ 21.读取DataGrid控件TextBox值
rK`*v* foreach(DataGrid dgi in yourDataGrid.Items)
z
|t0mS$ {
T}zOM%]] TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
W;o\}irep tb.Text....
gjwp' GN }
.m4K ]^m \BS^="AcpP 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?
0lW}l9}'- udw5A*Ls 〖思归〗
,qC_[PUT <asp:TemplateColumn HeaderText="数量">
Qn6&M <ItemTemplate>
9oN b= . <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Qg4qjX](? onkeyup="javascript:DoCal()"
g Ts5xDvJ />
4sG^bZ, Dzp9BRS
2f <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
2"2b\b}my </ItemTemplate>
|)0kvf? </asp:TemplateColumn>
G<>`O;i fUE jl <asp:TemplateColumn HeaderText="单价">
&"25a[x{B <ItemTemplate>
?z?IEj} <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
OI1&Z4Lx onkeyup="javascript:DoCal()"
qex.}[ />
"Z#&A Vw+U? <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Dd:Qotu x!
Z|^q
</ItemTemplate>
6o
{41@v( </asp:TemplateColumn>
_,~/KJp z}kD:A)a <asp:TemplateColumn HeaderText="金额">
``0knr < <ItemTemplate>
(L
q^C= <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
#Z8<H </ItemTemplate>
02b v0 </asp:TemplateColumn><script language="javascript">
o-49o5:1 function DoCal()
?7(`2=J {
St'3e< var e = event.srcElement;
|wWBV{^ var row = e.parentNode.parentNode;
`a var txts = row.all.tags("INPUT");
c"6<p5j! if (!txts.length || txts.length < 3)
,7<5dIdZ return;
ECQ>VeP <Ms,0YKx var q = txts[txts.length-3].value;
3~"G27, var p = txts[txts.length-2].value;
cgml^k\k^ c:4i&|n if (isNaN(q) || isNaN(p))
`WX @1]m return;
TLw.rEN!; >f74]J=V q = parseInt(q);
W}XDzR'< p = parseFloat(p);
7H9&\ur9+ "1WwSh}Z txts[txts.length-1].value = (q * p).toFixed(2);
/tDwgxJ }
4IIe1
.{ </script>
I6zKvP8pb ':6`M &*A7{76x l3rr2t A6pPx1-& 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。
<4D.P2ct page_load
%^kBcId page.smartNavigation=true
|3QKxS0 c|IH|y 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 ?
Z!v)zH\ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
gT?:zd=; {
X\V1c$13CK for(int i=0;i<e.Item.Cells.Count-1;i++)
L>Y%$|4 if(e.Item.ItemType==ListItemType.EditType)
%?@N-$j {
g>u{H: e.Item.Cells.Attributes.Add("Width", "80px")
/X; [
9& }
`ZC_F!
E }
<$qe2FtUq OXT 5
y) 26.对话框
#2^eGhwnI private static string ScriptBegin = "<script language=\"JavaScript\">";
p gWBW9\ private static string ScriptEnd = "</script>";
W&T-E, |@!4BA public static void ConfirmMessageBox(string PageTarget,string Content)
\u9l4 {
Xy5#wDRC string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
NI,i)OSEN Eg$ I ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
GHaD32 "**Tw' Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
F-D9nI4{X ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
At3> //Response.Write(strScript);
Psm5J80}n }
bwG$\Oe6 PFq1Zai}n| 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
vz[oy |{F mu@He&w" 1.1 取当前年月日时分秒
suiO%H^t currentTime=System.DateTime.Now;
]
-iMo4H avxr|uk 1.2 取当前年
FN0)DN2d} int 年= DateTime.Now.Year;
waT'|9{ THEpW{.E 1.3 取当前月
' d' Dlg int 月= DateTime.Now.Month;
0@7% }M7{~ov#s 1.4 取当前日
v P; int 日= DateTime.Now.Day;
A6eIf O*jTrZ(k 1.5 取当前时
(
y0 int 时= DateTime.Now.Hour;
rr~O6Db L6<.>\^Z" 1.6 取当前分
40h int 分= DateTime.Now.Minute;
w=JO$7 %'+}-w 1.7 取当前秒
*62Cf[a int 秒= DateTime.Now.Second;
O2N7qV3U, (`'(`x# 1.8 取当前毫秒
HV2 1=W int 毫秒= DateTime.Now.Millisecond;
KJ (|skO Y.yiUf/Q 28.自定义分页代码:
AdU0 sZ+&c _"l2UDx 先定义变量 :
f^Io:V\ public static int pageCount; //总页面数
t9l]ie{"o. public static int curPageIndex=1; //当前页面
$Iz *W]B! T"IDCT'z 下一页:
!1m7^3l7j if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
h8XoF1wuw {
{3Y
R_^>? DataGrid1.CurrentPageIndex += 1;
= q\TWz curPageIndex+=1;
8f`r!/j }
wHuz~y6 `@3{}
bind(); // DataGrid1数据绑定函数
BFnp[93N -sqd?L.p 上一页:
.o#A(3&n if(DataGrid1.CurrentPageIndex >0)
2^w8J w9 {
F%< ZEVm DataGrid1.CurrentPageIndex += 1;
3le$0f:O curPageIndex-=1;
GD-L0kw5 }
9z#z9|hj)3 N++ ;}j bind(); // DataGrid1数据绑定函数
E%%iVFPX utzf7?nIS 直接页面跳转:
.~O-
<P# int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
A'6-E{ "UYlC0 S\ if(a<DataGrid1.PageCount)
KOhK#t>H@0 {
awB+B8^s this.DataGrid1.CurrentPageIndex=a;
U%rEW[ j }
A<}nXHs- YQ|o0> bind();
`c)[aP{vN 6w`.'5 29.DataGrid使用:
7S/\;DF [Smqe>U1 添加删除确认:
Nr"gj$v private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
A$3ll|%j {
W"!{f foreach(DataGridItem di in this.DataGrid1.Items)
hsAk7KC {
sa?s[ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
.^xQtnq {
0e +Qn&$#4 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
y9Pw'4R }
k
1lK`p }
a9_KoOa.H }
1lYQR`Uh L[voouaqm 样式交替:
a! 3e Z, ListItemType itemType = e.Item.ItemType;
^U9b)KA SuA
@S if (itemType == ListItemType.Item )
"cwvx8un {
MX"M2>" pT e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
%RX!Pi}5+g e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
]T=o >% }
&3Ry0?RET else if( itemType == ListItemType.AlternatingItem)
14`S9SL{V {
eRm*+l|? e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
/H*[~b e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
LFAefl\ }
G%fXHAs .+ *|OUd7P:hU 添加一个编号列:
/%F5u}eW DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
=5O&4G`} DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
?aQVaw&L!7 W'PW;., for(int i=0;i<dt.Rows.Count;i++)
=j%ORD[ {
O[8wF86R dt.Rows["number"]=(i+1).ToString();
FI @kE19 }
<uImZC J;k8 a2$_ DataGrid1.DataSource=dt;
Lh-+i DataGrid1.DataBind();
Tdxc%'l YRu/KUT$ 7 DataGrid1中添加一个CheckBox,页面中添加一个全选框
VVe^s|~Z private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
RgD:"zeM {
3F9 dr@I.7 foreach(DataGridItem thisitem in DataGrid1.Items)
%<>|cO {
F6ZL{2$k@ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
IK,aA;d }
x|*m ok }
* Na8w'Q F!RP * 将当前页面中DataGrid1显示的数据全部删除
&<Fw foreach(DataGridItem thisitem in DataGrid1.Items)
Ny$N5/b!! {
**]=!W if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
u)~::2BXAn {
L2%npps string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
ybcCq]cgt Del (strloginid); //删除函数
+FC+nE}O }
#.2} t0*]5 }
:Vrj[i-{ "d*-k R 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)
eI/@ut}v 'Uo|@tK 在Application_Start中添加以下代码:
{3BWT Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
^@$T>SB1 AppSettings["ConnStr"].ToString();
|H%,>r`9S VO<P9g$UD 31. 变量.ToString()
iwfH~ W3xObt3w\ 字符型转换 转为字符串
85{@&T 12345.ToString("n"); //生成 12,345.00
V7?Pv
Q 12345.ToString("C"); //生成 ¥12,345.00
Vah.tOU 12345.ToString("e"); //生成 1.234500e+004
Zzv,p 12345.ToString("f4"); //生成 12345.0000
N#^o,/ 12345.ToString("x"); //生成 3039 (16进制)
1ifPc5j} 12345.ToString("p"); //生成 1,234,500.00%
?dvcmXR S^)xioKsJ 32、变量.Substring(参数1,参数2);
~./M5P!\ (o8?j^ -v 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);
@}tk/7-E | EFbT> 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)
8'0KHn{# <SCRIPT language="javascript">
`7_s@4: <!--
`%.x0~ih function gook(pws)
lsOZ%p%fV {
A"B[F# frm.submit();
@qB1:==@7 }
gal.<SVW //-->
$u{ 8wF/) %M-B"#OB7 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
AeEF/* <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Es+BV+x[.c <tr>
M!iYj+nrP <td>
88+J(^y> <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
r%II`
i <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Cc` )P>L <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Q46sPMH+_ `f%sq*O ~ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
mTZgvPJ! <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
,IG?(CK| ;%Zn)etu </td>
d<v)ovQJ] oBzjEv </tr>
Z"a]AsG/Q# <9Pf]
G= </form>
67d p)X
!\_li+ 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。
xkkW?[& z*&r@P
-
下面是获取用户输入的登陆信息的代码:
m>-(c=3 string name;
:_+Fe,h>| name=Request.QueryString["EmailName"];
9h'klaE( fu7J{-<<R try
mYqRN1% {
qjd8Q int a=name.IndexOf("@",0,name.Length);
t5 f_user.Value=name.Substring(0,a);
df!n.&\y! f_domain.Value=name.Substring(a+1,name.Length-(a+1));
G1:2MPH f_pass.Value=Request.QueryString["Psw"];
Qrt> vOUE7 }
wvNddu>@ GA@Zfcg catch
.\b# 0w {
xZ(VvINL' Script.Alert("错误的邮箱!");
9h
0^_|" Server.Transfer("index.aspx");
(
O/+.qb }