1. 打开新的窗口并传送参数:
{NFeX'5bP ::R^ w" 传送参数:
h1Lp:@:| response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
\uYUX~}i" >hhd9 接收参数:
646yeQ1 string a = Request.QueryString("id");
M&K@><6k,k string b = Request.QueryString("id1");
ufJFS+? <hea%6 2.为按钮添加对话框
Cjh&$aq Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Q?>#sN, button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
wiVQMgi` 8fN0"pymo 3.删除表格选定记录
d.+vjMI int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
XX F9oy8 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
JC#@sJ4az) YOY+z\Q 4.删除表格记录警告
U%4g:s private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ke%zp-2c {
X1-s,[j' switch(e.Item.ItemType)
J!H5{7.efN {
(kHR$8GFM case ListItemType.Item :
daorKW4 case ListItemType.AlternatingItem :
wv7jh~x(4 case ListItemType.EditItem:
k@~-|\ooG TableCell myTableCell;
B -KOf myTableCell = e.Item.Cells[14];
-{wuF0f LinkButton myDeleteButton ;
T/K.'92S myDeleteButton = (LinkButton)myTableCell.Controls[0];
$i1A470C myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
\(CW?9) break;
}.'%gJrS default:
miKi$jC}vq break;
AWi87q }
1^;h:,e6 rEf\|x=st: }
M;9+L&p= =6dKC_Q 5.点击表格行链接另一页
0
mQ3P.9 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
HB}gn2.1& {
@b/2' //点击表格打开
KH7]`CU if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sHuz10 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
V588Leb? }
b[k 1)R" GlZ9k-ZRF 双击表格连接到另一页
[E^X=+Jnz 5 QeGx3' 在itemDataBind事件中
jysV%q 3 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Dmi;# WY {
;Y'\: string OrderItemID =e.item.cells[1].Text;
</Id';|v ...
n96gDH* e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Fs|;>Up0 }
e^GW[lT {|gJC>f@ 双击表格打开新一页
VqrMi *W6 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
P~<93 {
iK]g3ew| string OrderItemID =e.item.cells[1].Text;
^zJ.W ...
OW}A48X[+ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
##@#:B }
5% `Ul 8_m9CQ6 i ★特别注意:【?id=】 处不能为 【?id =】
tb{{oxa,k 6.表格超连接列传递参数
QT$1D[> <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
c #!6 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Vr1|%*0Tv >l1Yhxd_0* 7.表格点击改变颜色
IpJ v\zH7 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
w'0M>2 {
0%F.]+6[O4 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
PQ]9xzOg[ this.style.color=’buttontext’;this.style.cursor=’default’;");
AL7O -D }
O-5U|wA }Yl=lcvw 写在DataGrid的_ItemDataBound里
E?mp6R]}% if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
gL"}5 3A {
`Cf
en8 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
-9I% this.style.color=’buttontext’;this.style.cursor=’default’;");
\ Sby(l e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
gJxVU41 }
N)*e^Nfb +-\9'Q D:E_h 8.关于日期格式
?v8k& q^q "V0:Lq 日期格式设定
wKlCx DataFormatString="{0:yyyy-MM-dd}"
"T
u[n\8 #6jwCEo=V 我觉得应该在itembound事件中
&] 6T^. e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
--YUiNhh /A.i5=k 9.获取错误信息并到指定页面
/&:9VMMj UMwMXmZNJ 不要使用Response.Redirect,而应该使用Server.Transfer
~ p.W*skD P i!r}m e.g
)hW {>Y3x // in global.asax
{l&2Kd* protected void Application_Error(Object sender, EventArgs e) {
%QgAilj, if (Server.GetLastError() is HttpUnhandledException)
bDS1'Ce Server.Transfer("MyErrorPage.aspx");
^(JHRH~=h 8@KFln )[ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
SWsv, }
Mgs|*u-5 mMAr8~A= 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
B9Q.s XHM"agrhSQ 10.清空Cookie
W+
'}O< Cookie.Expires=[DateTime];
}l?_Cfvu Response.Cookies("UserName").Expires = 0
U<Y'.! W7=_u+0d 11.自定义异常处理
(OcNC/9 //自定义异常处理类
)v{41sM+ using System;
B;]5,`#! using System.Diagnostics;
d.j'0w"
F]A~~P namespace MyAppException
P&3/nL$9N {
_L'cyH.cn /// <summary>
;u};&sm /// 从系统异常类ApplicationException继承的应用程序异常处理类。
E9B*K2l^{ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
<o7#?AcPu /// </summary>
yXV|4 public class AppException:System.ApplicationException
(g/X(3 {
AJ`
v public AppException()
AV 5\W} {
'#i]SU&* if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
AOx3QgC^NO }
FT/5 _1i o-=d|dWG public AppException(string message)
_#D\*0J {
d<Q+D1 LogEvent(message);
iynS4]`U }
tP
Efz+1N hJo^Wo public AppException(string message,Exception innerException)
VUC <0WV {
^GrkIh0nL LogEvent(message);
,Q=)$ `% if (innerException != null)
Eh@T W%9* {
+
lB+|yJ+ LogEvent(innerException.Message);
Mev-M2A }
zt[4_;2Y }
+:]Aqyc\ nN`Z0? //日志记录类
'<&EPUO using System;
-)OkG#J@ using System.Configuration;
PWk?8dL- using System.Diagnostics;
]6BmCh using System.IO;
@> Ghfh>~D using System.Text;
&:;;u\ using System.Threading;
f;Bfh3 .p(6' TYnI namespace MyEventLog
Q_kT}6#(J= {
HA9Nr.NqC@ /// <summary>
=tc`:!$ /// 事件日志记录类,提供事件日志记录支持
_:gGD8 /// <remarks>
Cj !i)- /// 定义了4个日志记录方法 (error, warning, info, trace)
<duBwkiG /// </remarks>
Wz-3?EQ /// </summary>
s"=F^# public class ApplicationLog
B221}t {
[CDX CV-z /// <summary>
hX8gV~E=y /// 将错误信息记录到Win2000/NT事件日志中
`
-[Bo /// <param name="message">需要记录的文本信息</param>
bwSRJFqb /// </summary>
{yHB2=nI public static void WriteError(String message)
'9 *|N= {
>' ksXA4b WriteLog(TraceLevel.Error, message);
-4vHK!l }
rv,NQZ "$W|/vD+ /// <summary>
rwL=R, /// 将警告信息记录到Win2000/NT事件日志中
9iGE`1N%E /// <param name="message">需要记录的文本信息</param>
hJ;f1dZ7} /// </summary>
FDVI>HK @ public static void WriteWarning(String message)
Q 7uAf3 {
t +3 WriteLog(TraceLevel.Warning, message);
0q[p{_t` }
Mhv1K|4s jr,&=C( /// <summary>
<.r ]dCf /// 将提示信息记录到Win2000/NT事件日志中
abROFI5.L /// <param name="message">需要记录的文本信息</param>
YPha9M$AgU /// </summary>
lL(p]!K' public static void WriteInfo(String message)
5u;Rr 1D {
?iPZsV WriteLog(TraceLevel.Info, message);
|
V.S.'
}
p^KlH=1n.6 /// <summary>
"x#]i aDjf /// 将跟踪信息记录到Win2000/NT事件日志中
tt6.
jo /// <param name="message">需要记录的文本信息</param>
t]
r,9df' /// </summary>
+cz"`T`X 2 public static void WriteTrace(String message)
Sf
024 {
BIxV|\k WriteLog(TraceLevel.Verbose, message);
zwM"`z }
Js\-['` n-b>m7O( /// <summary>
2d-TU_JqX /// 格式化记录到事件日志的文本信息格式
e[x?6He,$ /// <param name="ex">需要格式化的异常对象</param>
A Gv!c($ /// <param name="catchInfo">异常信息标题字符串.</param>
0+T*$=? /// <retvalue>
ZYE' C /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
\%sPNw=e /// </retvalue>
&Ki>h /// </summary>
j 0g5<M public static String FormatException(Exception ex, String catchInfo)
Nk96"P$P {
$|4cJ#;^L StringBuilder strBuilder = new StringBuilder();
!oZQ2z~ if (catchInfo != String.Empty)
%04:z77 {
i{o#3 strBuilder.Append(catchInfo).Append("\r\n");
[Ja)<!]< }
_1I K$gb[ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
@%6)^]m}r return strBuilder.ToString();
cC^W2\ }
9@:BK;Fi QCeMKjCmY /// <summary>
H@K#|A=a /// 实际事件日志写入方法
'e}uvbK /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
=yl4zQmg$ /// <param name="messageText">要记录的文本.</param>
v1LKU /// </summary>
`wNm%*g private static void WriteLog(TraceLevel level, String messageText)
).pO2lLF4 {
/8f>':zUb try
an3~'g? {
AXz-4,=xX EventLogEntryType LogEntryType;
*:a'GC%/ switch (level)
%lN2n,AK {
nN>J*02( case TraceLevel.Error:
%b=Y
<v LogEntryType = EventLogEntryType.Error;
`_|aeoK_ break;
L
;6b+I case TraceLevel.Warning:
h S4.3]ei LogEntryType = EventLogEntryType.Warning;
dZPW2yf break;
x>}B# case TraceLevel.Info:
)VNM/o%Q LogEntryType = EventLogEntryType.Information;
lc]V\'e break;
z)}3**3'y case TraceLevel.Verbose:
j7K5SS_] LogEntryType = EventLogEntryType.SuccessAudit;
k/% #> break;
59V#FWe- default:
OkLz^R?d LogEntryType = EventLogEntryType.SuccessAudit;
Z;#%t. break;
"[k1D_PZ }
b)N[[sOt FC6x Fg^ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
x
Sv-;!y //写入事件日志
WrNLGkt eventLog.WriteEntry(messageText, LogEntryType);
NwguP UcgG }
rVY?6OMkd catch {} //忽略任何异常
t{!/#eQC }
1j11|~ } //class ApplicationLog
VM7 !0 }
f0vJm WP}ixcq# 12.Panel 横向滚动,纵向自动扩展
1@xP(XS <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Q8p=!K m#JI!_~! 13.回车转换成Tab
g6WPPpqus <script language="javascript" for="document" event="onkeydown">
ny)]GvxI if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
WE0}$P: event.keyCode=9;
t#Th9G]1 </script>
@<2d8ed Bz?l{4". onkeydown="if(event.keyCode==13) event.keyCode=9"
3?Lgtkb8 {V}qwm? 14.DataGrid超级连接列
+=7:4LFOL DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
`ruNA>M cph~4wCS[U 15.DataGrid行随鼠标变色
-;$nb~y private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#b'N}2'p#V {
Wbe0ZnM] if (e.Item.ItemType!=ListItemType.Header)
C}q>YRubZ {
.jA\f:u# e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Z^+rQ.%n"& e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
qe?Qeh(!X }
uMvb-8 }
g5i#YW []zua14F6 16.模板列
A^ViDP <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
!siWEzw <ITEMTEMPLATE>
<?YA,"~ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
[F+,YV%t </ITEMTEMPLATE>
_-O cc=Z </ASP:TEMPLATECOLUMN>
&iqw!
ud 3Hw[s0[$ <ASP:TEMPLATECOLUMN headertext="选中">
;FU|7L$H <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
}k7_'p&yk <ITEMTEMPLATE>
k^%2_H <ASP:CHECKBOX id="chkExport" runat="server" />
bHE7yv [ </ITEMTEMPLATE>
nU2V]-qY <EDITITEMTEMPLATE>
'f+NW& <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
)s)_XL </EDITITEMTEMPLATE>
=LI:S|[4 </ASP:TEMPLATECOLUMN>
R(G\wqHUT3 _1aGtX|W 后台代码
?sXG17~Bm protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
=\Iu$2r` {
z<B CLP //改变列的选定,实现全选或全不选。
a[sKE? CheckBox chkExport ;
hd2'AlB if( CheckAll.Checked)
yzR=A%V8A {
%D`o foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
yS!(Ap {
8O7Yv< chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
@E%DP9.I chkExport.Checked = true;
L[y Pjw:0 }
)#C
mQXgG }
RF?DtNuq else
w^HjZV {
Qqc]aVRF foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
O- #TZ {
?,)"~c$hZ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
XN#&NT{t} chkExport.Checked = false;
+BL{@,zr }
$ J1f.YE }
w2dcH4& }
C5*xQlCq} | kXm}K 17.数字格式化
};b1aha G iidT~l 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
/7/0x ./{ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
FJ54S MzkkcQLK int i=123456;
bcH_V|5} string s=i.ToString("###,###.00");
U]R~ gy}# dU_;2#3m 18.日期格式化
G-u]L7t&1 QM'X@ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
6B" egYv \+m$ 显示为: 2004-8-11 19:44:28
*jITOR!uF` pK}=*y~$ 我只想要:2004-8-11 】
<+v{GF#R <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
IRW^ok.'b! V5p0h~PK 应该如何改?
jVWK0Zba s^hR\iY 【格式化日期】
eGL<vX tg\|? 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
2eb1lJdS 3<:jx~y> 【日期的验证表达式】
eSfnB_@x2 Y@uh[aS! A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
)C~9E 5E ^((\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})))?$
Q@S-f:! $IX\O B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
O
)d[8jw" ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
F #`=oM$5 fjG&`m#" 【大小写转换】
t;NV $!! HttpUtility.HtmlEncode(string);
`yO'[2 HttpUtility.HtmlDecode(string)
HrM$NRhu rD
&D)w 19.如何设定全局变量
F<|t\KOW Yh<WA>= Global.asax中
8sOQ9 O;uG?.\ Application_Start()事件中
,$lemH1d 6'vbT~S! 添加Application[属性名] = xxx;
*ZrSiIPP w@-M{?R 就是你的全局变量
j;0vAf G`0V)S 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
zM#sOg H t(n%;< HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
j5$GFi\kB o\VUD 【ASPNETMENU】点击菜单项弹出新窗口
(s<s@` ;C.S3} 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
i^msjA <?xml version="1.0" encoding="GB2312"?>
M@et6aud;K <MenuData ImagesBaseURL="images/">
L%"LlSg <MenuGroup>
C[sh, <MenuItem Label="内参信息" URL="Infomation.aspx" >
6gL-OJNo <MenuGroup ID="BBC">
T{v>-xBRy <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
w_tJ7pz8T <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
(Z]HX@"{J ......
Kn`M4O >l']H*&B< 最好将你的aspnetmenu升级到1.2版
80OtO#1y I:98 $ r$ 21.读取DataGrid控件TextBox值
64>krmVIe foreach(DataGrid dgi in yourDataGrid.Items)
Z<?OwAWz {
@(g_<@Jz TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
b aV>N[F& tb.Text....
uVE.,)xz }
q*7<)VwI PNs~[ 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?
=FP0\cQ. 4GdX/6C. 〖思归〗
58Xzup_" <asp:TemplateColumn HeaderText="数量">
e'%v1-&sP <ItemTemplate>
"qz3u`[o <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
E
H:T onkeyup="javascript:DoCal()"
46@{5)Tq />
: 18KR*;p !9Z r;K~\ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
DyJ.BQdk) </ItemTemplate>
AlE8Xu9UB </asp:TemplateColumn>
b?X.U}62_ l e4?jQQ@L <asp:TemplateColumn HeaderText="单价">
+ZMls
[ <ItemTemplate>
@mP]*$00 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
RGKYW>$0RR onkeyup="javascript:DoCal()"
)Z 9E=% />
8Me:Yp_Xt PXzsj. <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Hb} X-6N H %JaZ?( </ItemTemplate>
K.<.cJE </asp:TemplateColumn>
i9<pqQ Q_-_^J <asp:TemplateColumn HeaderText="金额">
_|[UI.a <ItemTemplate>
l/TjQ* <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Z;Ez"t&U </ItemTemplate>
[qUN 4x5b </asp:TemplateColumn><script language="javascript">
}D411228 function DoCal()
jp8@vdRg {
-i0(2*< var e = event.srcElement;
o1W:ox?kO var row = e.parentNode.parentNode;
v\16RD var txts = row.all.tags("INPUT");
O/AaYA& if (!txts.length || txts.length < 3)
xsd_Uu* return;
( wDm*bZ* {'?)FX*W var q = txts[txts.length-3].value;
0.T4{JS# var p = txts[txts.length-2].value;
F'jWV5"* ]H-S,lmV if (isNaN(q) || isNaN(p))
j`^$# return;
IG)s^bP ;c~cet4 q = parseInt(q);
S#)Eom?V p = parseFloat(p);
/Jf.y*; L^2FQti> txts[txts.length-1].value = (q * p).toFixed(2);
dm0QcW4 }
D]w!2k%V </script>
fkf1m:Ckh S}APQ JD@J[YY5R 2
rw%H 1)
ta 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
BdlVabQyKW page_load
7K)6^r^ page.smartNavigation=true
I2nF-JzD2a 3vcO!6Z5 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
t`*! w|}(1 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
~\{^%~[48 {
I}Nd$P)> for(int i=0;i<e.Item.Cells.Count-1;i++)
_ZY)M if(e.Item.ItemType==ListItemType.EditType)
C<KrMRWh^ {
(Yp+bS(PU* e.Item.Cells.Attributes.Add("Width", "80px")
%K(<$! }
pw7[y^[Qg }
@u==x*{| 'F>'(XWWQ 26.对话框
zSo)k~&[3 private static string ScriptBegin = "<script language=\"JavaScript\">";
Q+4Xs.# private static string ScriptEnd = "</script>";
G}&Sle] X[f=h=| public static void ConfirmMessageBox(string PageTarget,string Content)
\j&^aAp r {
UnI48Y string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
7AYd!n&S 0-~\
W( ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
X]\ \, :_!8
WB Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
N<QXmgqx ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
c478P=g=5 //Response.Write(strScript);
Yjx|9_|Xn }
v) vkn/: h/~n\0,J/ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
N[k wO1 ?LvCR_D: 1.1 取当前年月日时分秒
zZVfj:i8 currentTime=System.DateTime.Now;
z dO#0tN E<yW\ 1.2 取当前年
p.LFVFPT int 年= DateTime.Now.Year;
v\p;SwI \&H nKhI 1.3 取当前月
*S/_i-ony int 月= DateTime.Now.Month;
H$I=W>; JV;OGh> 1.4 取当前日
]T%rjsN int 日= DateTime.Now.Day;
6Cn+e.j@ _i/t?7 1.5 取当前时
_YF%V;X int 时= DateTime.Now.Hour;
6/rFHY2q X7s
`U5'l 1.6 取当前分
^tXJj:wtS int 分= DateTime.Now.Minute;
]c! ;L5 6R=W}q4 1.7 取当前秒
Q+YRf3$ int 秒= DateTime.Now.Second;
7b<yVP;{ ULQMG'P^D 1.8 取当前毫秒
xQUu|gtL4 int 毫秒= DateTime.Now.Millisecond;
E9~Ghx. Nm|!#(L 28.自定义分页代码:
`ho1nY$)CE trAkcYd 先定义变量 :
Th=eNL] public static int pageCount; //总页面数
OF\rgz public static int curPageIndex=1; //当前页面
L'u\w 2Lx3=[ik 下一页:
aG^4BpIP if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
iezO9` {
k{'0[,mx# DataGrid1.CurrentPageIndex += 1;
Yb E-6|cz curPageIndex+=1;
EW3(cQbK }
k1QpKn* y- 1 pR bind(); // DataGrid1数据绑定函数
j$+nKc$ TA{\PKA) 上一页:
g1jTy7g? if(DataGrid1.CurrentPageIndex >0)
5H ue7'LS {
8 XU1/i7N DataGrid1.CurrentPageIndex += 1;
1Z9qjV%^ curPageIndex-=1;
>yULC|'F&~ }
3`k;a1Z#O' {~F4WjHJp bind(); // DataGrid1数据绑定函数
B[KJR?> aoXb2 2]{ 直接页面跳转:
mya_4I
m int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
;Rv!k&Df 5O\*h;U 6 if(a<DataGrid1.PageCount)
3g >B"t {
a[ex[TRKe this.DataGrid1.CurrentPageIndex=a;
,G2TVjz }
2sJ(awN> o93`|yWl bind();
0zi~p>*nJC $C `;fA 29.DataGrid使用:
Z4lO?S5%J /oriW;OF 添加删除确认:
;72T|e private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%HL*c= {
\Cii1\R= foreach(DataGridItem di in this.DataGrid1.Items)
(2=Zm@Zpf {
)BwjZMJ.N if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
+t?3T-@Ks {
s D=n95`v ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
-YCOP0 }
7R`mf
}
Nd;Ku6 }
v61[.oS ia MUsa{ 样式交替:
<"_d]?, ListItemType itemType = e.Item.ItemType;
IyPwP*A :AE&Ny4 if (itemType == ListItemType.Item )
<>8WQn,K {
c`o7d)_Ke e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
}b-g*dn]5 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
QnJZr:4b }
uH(f$A else if( itemType == ListItemType.AlternatingItem)
s{$(*_ {
D ^x-^6^ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
w/kt3Lw e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
I= &stsH }
.dav8n* RS^lKJ1 U 添加一个编号列:
L>3x9 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
hy`?E6=9+ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
gy_>`16K /\hzb/ for(int i=0;i<dt.Rows.Count;i++)
HbxL:~:}J {
|g//g\dd dt.Rows["number"]=(i+1).ToString();
|y2w9n0D }
`-p:vq` lb3]$Da
DataGrid1.DataSource=dt;
urjjw.wZ DataGrid1.DataBind();
0`[wpZ m5r7 DataGrid1中添加一个CheckBox,页面中添加一个全选框
lQe%Yh
>rl private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
sL\L"rQN6 {
lhBT@5Dm9 foreach(DataGridItem thisitem in DataGrid1.Items)
pNKhc#-w {
#n#@fAY ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
/|D*w^> }
Ym =FgM\ }
3 yB!M J%,*isEL 将当前页面中DataGrid1显示的数据全部删除
|563D#?cR foreach(DataGridItem thisitem in DataGrid1.Items)
[@5Ytv H {
5.MGaU^Z$ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
; ShJi {
|v$JCU3!A string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
H kQ)n3 Del (strloginid); //删除函数
/so8WRu. }
iLkZ"X.'|1 }
%|^fi8!:| <OIIoB?t 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)
[x,>?~6ek 4x 8)gE 在Application_Start中添加以下代码:
=fO5cA6Z Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
!lj| cT9 AppSettings["ConnStr"].ToString();
<1t*I!e_ FW21 U< 31. 变量.ToString()
G1o3l~x lLF-{ 字符型转换 转为字符串
3 U7*>H 12345.ToString("n"); //生成 12,345.00
"$2y-| 12345.ToString("C"); //生成 ¥12,345.00
n:{qC{D-qS 12345.ToString("e"); //生成 1.234500e+004
U
15H2-` 12345.ToString("f4"); //生成 12345.0000
'2[albxSc 12345.ToString("x"); //生成 3039 (16进制)
O4og?h> 12345.ToString("p"); //生成 1,234,500.00%
y9>ZwYN ~2gG(1%At9 32、变量.Substring(参数1,参数2);
%3ICI 1f":HnLRM 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);
3ZXQoC ' }#^
B#?O 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)
TztAZ2C <SCRIPT language="javascript">
/(.mp<s0 <!--
sXD1C2o function gook(pws)
E.Jkf\ {
QmCe>+ frm.submit();
Yq%9M=#k }
<gQIq{B? //-->
.MP !` O vk_\On </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
GJoS #s <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
P_Gw-`L5T <tr>
_s .G <td>
d~JKH&x< <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
i;_t I#:A <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
MMx9(`t*. <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
PqiB\~o@Z T^Ze3L] <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
9Ru8~R/\ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
B4i!/@0s g.zEn/SM </td>
yL2o}ZbS
F)'.g d </tr>
0a-0Y&lQm Stu4t==U </form>
\uza=e x6e}( &p* 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。
tX>
G,hw 9*{[buZX 下面是获取用户输入的登陆信息的代码:
)C(?bR string name;
B#.L name=Request.QueryString["EmailName"];
b"#WxgaF Y}#J4i0b* try
d;>#Sxf {
,^eYlmT>6 int a=name.IndexOf("@",0,name.Length);
\ywXi~+kUv f_user.Value=name.Substring(0,a);
iC98_o_9 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
2-C!jAfd f_pass.Value=Request.QueryString["Psw"];
wv\w;' }
C'o64+W^ !3 f?:M catch
=[@zF9 {
oaoU _V Script.Alert("错误的邮箱!");
?6fnpGX@a Server.Transfer("index.aspx");
@AIaC-,~] }