1. 打开新的窗口并传送参数:
ly,3,ok >%qk2h> 传送参数:
,&+"|,m response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
;%-f>'KhI7 }^T7S2_Qy 接收参数:
Zp5;=8wa; string a = Request.QueryString("id");
-TIrbYS` string b = Request.QueryString("id1");
lqD.epm
t9zPUR 2.为按钮添加对话框
f~U~f}Uw4 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
2t9JiH button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
l,z#
:k +|Tz<\.C 3.删除表格选定记录
wUUDq?!k\ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
M5$YFGGR string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
%}< e;t-O VD=}GY33= 4.删除表格记录警告
z"cF\F private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
&/%A 9R, {
q.
i2BoOd switch(e.Item.ItemType)
m
2tw[6M {
6??o(ziK$ case ListItemType.Item :
d4y?2p ?3 case ListItemType.AlternatingItem :
5U%J,W case ListItemType.EditItem:
E
cS+/ TableCell myTableCell;
q?R)9E$h myTableCell = e.Item.Cells[14];
}>)e~\Tdzb LinkButton myDeleteButton ;
I+qg'mo myDeleteButton = (LinkButton)myTableCell.Controls[0];
U<T.o0s= myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
oJ
r&9.S break;
,tt
.oF|
default:
dv?ael^ break;
G~$.Af!9W }
B8XW+U KKrLF?rc }
wR7Ja
cKv |rjHH< 5.点击表格行链接另一页
;$`5L"I5$ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ySfot`LQ {
].=~C"s,a //点击表格打开
pQQN8Y~^Y if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|E%i
t?3M e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
JbV\eE#KrC }
.G ^-.p we4k VAn 双击表格连接到另一页
pUGFQ."\ zmA]@'j 在itemDataBind事件中
RA%=_wPD
+ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
aw%iO|M_ {
qocN:Of1 string OrderItemID =e.item.cells[1].Text;
X.q, ...
"aU)
[ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
a#huK~$~ }
3"*tP+H |S0w>VH> 双击表格打开新一页
_u[2R=h if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
wjq;9%eXk {
l i @: string OrderItemID =e.item.cells[1].Text;
b7^Db6qu ...
-qbx:Kk( e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
|)Q#U$ m }
s%&/Zt 2bs={p$}a ★特别注意:【?id=】 处不能为 【?id =】
65HP9`5Tm 6.表格超连接列传递参数
%Tv2op <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
q&DM*!Jq <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
`{Jo>L. ?Z0NHy;5 7.表格点击改变颜色
[%uj+?}6O if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
@#j?Z7E| {
?rJe"TOIy e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
?W3l this.style.color=’buttontext’;this.style.cursor=’default’;");
IjPCaH.:t }
O)aWTI |zkZF|- 写在DataGrid的_ItemDataBound里
'vX:)ZD i if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
8|"26UwD/ {
N|rB~
e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
t@;r~Sb
this.style.color=’buttontext’;this.style.cursor=’default’;");
svaclkT= e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
\) FFV-k5 }
m-HL7&iG$ *U mWcFoF P3k@ptc-K 8.关于日期格式
4Zn" K}q S8d X8,qg 日期格式设定
8#{DBWU DataFormatString="{0:yyyy-MM-dd}"
_C%:AFPP> c+:XaDS- 我觉得应该在itembound事件中
)ppIO"\ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
c-y`Hm2" '@{Mq%` 9.获取错误信息并到指定页面
k
d9<&.y{ fZtuP1-4 不要使用Response.Redirect,而应该使用Server.Transfer
k0v&U@+-J fe4Ki e.g
TF%MO\! // in global.asax
a;h.I}*] protected void Application_Error(Object sender, EventArgs e) {
V#,jUH| if (Server.GetLastError() is HttpUnhandledException)
5hvg]w95; Server.Transfer("MyErrorPage.aspx");
UOa
n :pCv!g2 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
=L]GQ=d }
k^#+Wma7 {g]Mx|5Q 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
XQPlhpcv _*.ImD 10.清空Cookie
)gHfbUYS Cookie.Expires=[DateTime];
)?MUUI : Response.Cookies("UserName").Expires = 0
0a}a @~CXnc0 11.自定义异常处理
P;U(2;9 N //自定义异常处理类
)Y &RMYy using System;
I /z`) using System.Diagnostics;
vACJE 4de:h E namespace MyAppException
GWa:C\YK {
?0x=ascP /// <summary>
-d4|EtN /// 从系统异常类ApplicationException继承的应用程序异常处理类。
H7{I[>: /// 自动将异常内容记录到Windows NT/2000的应用程序日志
$]<wQH/?_ /// </summary>
]99@Lf[^f public class AppException:System.ApplicationException
)>(ZX9diV {
=k]2Ad public AppException()
XI\P#" {
>e^^YR^ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
'w8p[h
(, }
OsV'&@+G> Y[rRz6.*( public AppException(string message)
f;=<$Y>i {
,92wW&2 LogEvent(message);
]ne }
isU4D Q*ixg$> public AppException(string message,Exception innerException)
*TgD{>s {
[ 0z-X7=e LogEvent(message);
Dnp><% if (innerException != null)
[.'9Sw {
[tk6Kx8a LogEvent(innerException.Message);
lw43|_'G-t }
FWW*f
_L }
`t#9
yN 9/JBn //日志记录类
Vr:`?V9Q2( using System;
s8
5l using System.Configuration;
8l*h\p:Q using System.Diagnostics;
Al+}4{Q+? using System.IO;
:[&QoEZW using System.Text;
PYiO l using System.Threading;
DJb9] ,=a j@R"AP}
namespace MyEventLog
s+E:
7T9P {
DMA`Jx /// <summary>
@rS(3wu_& /// 事件日志记录类,提供事件日志记录支持
)|6OPR@(#/ /// <remarks>
dVSQG947i: /// 定义了4个日志记录方法 (error, warning, info, trace)
EE-wi@ /// </remarks>
X0knM}5 /// </summary>
&Qmb?{S0 public class ApplicationLog
^Rh}[ {
/
5/mx /// <summary>
c8Nl$|B /// 将错误信息记录到Win2000/NT事件日志中
pM9M8d /// <param name="message">需要记录的文本信息</param>
P4:Zy;$v! /// </summary>
_UV_n!R public static void WriteError(String message)
Xp9 ]
9H. {
WWTRB +1> WriteLog(TraceLevel.Error, message);
HWFLu }
*D67&/g. OAaLCpRp /// <summary>
5w%[|%KG:L /// 将警告信息记录到Win2000/NT事件日志中
=7[}:haB{ /// <param name="message">需要记录的文本信息</param>
UrO&K]Z /// </summary>
P(!%Pp public static void WriteWarning(String message)
= |E8z
u% {
@hwNM#>` WriteLog(TraceLevel.Warning, message);
~~@dbB }
{Wndp% KquuM ]5S /// <summary>
h]vEXWpG ] /// 将提示信息记录到Win2000/NT事件日志中
51-'*Y /// <param name="message">需要记录的文本信息</param>
aQ-SrxmO8 /// </summary>
4"UH~A;^ public static void WriteInfo(String message)
,w
f6gmh8 {
$)$_}^.k WriteLog(TraceLevel.Info, message);
2B^WZlx }
0oZZLi /// <summary>
z4(`>z2a /// 将跟踪信息记录到Win2000/NT事件日志中
2O- 4x /// <param name="message">需要记录的文本信息</param>
9I*2xy|I /// </summary>
Ta$55K0 public static void WriteTrace(String message)
N) PkE>%X {
l[u17,]S WriteLog(TraceLevel.Verbose, message);
8@b`a]lgrd }
putRc??o; !MVf(y$ /// <summary>
x.$cP /// 格式化记录到事件日志的文本信息格式
MS:,I? /// <param name="ex">需要格式化的异常对象</param>
wp83E, /// <param name="catchInfo">异常信息标题字符串.</param>
Bw~jqDZ}| /// <retvalue>
L9oLdWa(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>
6&QOC9JW+7 /// </retvalue>
Lq2jXy5#n /// </summary>
`q`ah_ public static String FormatException(Exception ex, String catchInfo)
zG{jRth {
i'.D=o StringBuilder strBuilder = new StringBuilder();
XMz*}B6GQ if (catchInfo != String.Empty)
{Us^4Xe {
B@S~v+Gr strBuilder.Append(catchInfo).Append("\r\n");
|bhv7(_ }
*>2e4j] strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
BHiG3fP return strBuilder.ToString();
m WHyk "l }
!p76I=H% 2%pU'D: /// <summary>
_BONN6=*y /// 实际事件日志写入方法
e*}:tH /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
IVy<>xpt /// <param name="messageText">要记录的文本.</param>
s}-j.jzB{ /// </summary>
$j8CF3d.6 private static void WriteLog(TraceLevel level, String messageText)
fP6\Ur {
=M}tet
} try
It<VjN9
{
bxzx@sF2l EventLogEntryType LogEntryType;
HAo=t switch (level)
'nq~1 >i {
f96`n+>xi case TraceLevel.Error:
i8p$wf"aW LogEntryType = EventLogEntryType.Error;
m#R"~ > break;
p1hF. case TraceLevel.Warning:
MK1#^9Zr LogEntryType = EventLogEntryType.Warning;
sSc~q+xz break;
`%^w-' case TraceLevel.Info:
C#8A| LogEntryType = EventLogEntryType.Information;
)\PX1 198 break;
IuA4eDr^Y% case TraceLevel.Verbose:
OnhR` LogEntryType = EventLogEntryType.SuccessAudit;
]*g f$D break;
q/Vl>t default:
cNN0-<#c LogEntryType = EventLogEntryType.SuccessAudit;
on"ENT break;
C<(qk _ }
zbr^ul r <6s@eare8 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
@2mWNYHR*> //写入事件日志
rA^=;?7Q eventLog.WriteEntry(messageText, LogEntryType);
?6>*mdpl +>%51#2.Q }
8'_MCx( catch {} //忽略任何异常
;(jL`L F }
fJ0V|o } //class ApplicationLog
P;K LN9/4 }
CrSBN~ N-t"CBTO
12.Panel 横向滚动,纵向自动扩展
N=7iQ@{1 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
sdiWQv _sZ&=-FR 13.回车转换成Tab
w\UAKN60 <script language="javascript" for="document" event="onkeydown">
=,C]d~ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~kj96w4eAR event.keyCode=9;
?m+];SJk </script>
wjZ Q.T! Gy;Fe= onkeydown="if(event.keyCode==13) event.keyCode=9"
Ke3~o"IQ Z_edNf}| 14.DataGrid超级连接列
D(TG)X? DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
N{ $?u p|NY.N 15.DataGrid行随鼠标变色
H+-x.l` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
GN
Ewq$ {
~7PiIky. if (e.Item.ItemType!=ListItemType.Header)
}Y|M+0 {
sa _J6~ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
PkZ1Db e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
U$y wO4. }
T8)X?>CIW }
3$Vx8:Rhdn -QR]BD%J*[ 16.模板列
Qx3eEt@X5] <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
!`4ie <ITEMTEMPLATE>
1RX-`"^+ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
,3c25.,* </ITEMTEMPLATE>
/er{sKVX< </ASP:TEMPLATECOLUMN>
Q[aF"5h% yPe9KN_ <ASP:TEMPLATECOLUMN headertext="选中">
,fTC}>s4 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
>mp Nn <ITEMTEMPLATE>
m+:JNgX6 <ASP:CHECKBOX id="chkExport" runat="server" />
"EA =auN{ </ITEMTEMPLATE>
%`K{0b <EDITITEMTEMPLATE>
HmkxE <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
x7G)^ </EDITITEMTEMPLATE>
7=yjd)Iy9m </ASP:TEMPLATECOLUMN>
);yZyWDV ,3iD/8_ 后台代码
0v9i43[S|J protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
n/ :#: {
=hd0Ui>x //改变列的选定,实现全选或全不选。
t Zm`(2S CheckBox chkExport ;
+5I'? _{V if( CheckAll.Checked)
6v]`s {
dZ8ldpf8 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
I Z*) {
(v
KJyk+Y chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
2hso6Oy/v{ chkExport.Checked = true;
o2bmsnXQ }
hO{&bY0 }
Y2tBFeWY else
+-SO}P {
9o6[4Q} foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
GUD]sXSj {
W8u&5#$I chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
w1(5,~OB chkExport.Checked = false;
;&f(7 Q+T_ }
e6H}L:; }
oR!h
eCnu }
lq]8zm<\)] rZ5xQ#IA 17.数字格式化
\,n
X/f EE | c@M^ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
^'du@XCf} <%#Container.DataItem("price","{0:¥#,##0.00}")%>
w8jpOvj <HTz int i=123456;
pDJN}XtjT string s=i.ToString("###,###.00");
r#_0_I1[ R]Z#VnL@qz 18.日期格式化
!>ZBb\EyK =sv?))b` 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Nu3IYS5& T-GvPl9ZJw 显示为: 2004-8-11 19:44:28
cTn(Tv9s VAjl?\}6 我只想要:2004-8-11 】
{q+gm1iC <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
.@EzHe ^W :?= 1aiS 应该如何改?
JY"J} /.rj\, 【格式化日期】
,3eN& }.U(Gxu$ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
OC-d5P
wu11)HFL|z 【日期的验证表达式】
[`E_/95 [McH l1a A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
H^`J(J+ ^((\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})))?$
_D@QsQ_Z } _];yw B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Wd(|w8J{a ^\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]))$
\fSruhD 8tf>G(I{ 【大小写转换】
]]`[tVaFr HttpUtility.HtmlEncode(string);
Z,\(bW
qF HttpUtility.HtmlDecode(string)
N%q{CYF6 ;14Q@yrZ0 19.如何设定全局变量
fhRu- ]5:[6;wS Global.asax中
IG;=
| Oml3=TV Application_Start()事件中
[T)>RF QhAYCw2 添加Application[属性名] = xxx;
uh#E^~5S a #s
Nd 就是你的全局变量
<;>k[P' 38l:Y" 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
&z*4Uij sAs`O@ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
w8cnSO U8HuqFC 【ASPNETMENU】点击菜单项弹出新窗口
tj8o6N# "Wk K1u 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
8'fF{C <?xml version="1.0" encoding="GB2312"?>
RtxAIMzh? <MenuData ImagesBaseURL="images/">
]SL+ZT <MenuGroup>
PR(KDwsT&l <MenuItem Label="内参信息" URL="Infomation.aspx" >
[I'q"yRu]i <MenuGroup ID="BBC">
1|G5 W: <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
p14$XV <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
k%-UW% ......
?$<~cD" Sw CI \O)iB 最好将你的aspnetmenu升级到1.2版
+]yVSns
3 'Cz]p~oF 21.读取DataGrid控件TextBox值
eYjF"Aq foreach(DataGrid dgi in yourDataGrid.Items)
"]'W^Fg {
x
0vW9*& TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
i!JSEQ_8 tb.Text....
'&gUAt }
j\Fbi3H ZD$I-33W 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
BtJF1#f l+`CgYo 〖思归〗
;
+Ie<oW <asp:TemplateColumn HeaderText="数量">
@8:c3(! <ItemTemplate>
9n\v{k= <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Sn.I{~ onkeyup="javascript:DoCal()"
KM^}d$x}s />
AGVipI # aK,\e/Oo <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
sv "GX<+ </ItemTemplate>
g&ba]?[A </asp:TemplateColumn>
^Ga_wJP8S TC:t!: <asp:TemplateColumn HeaderText="单价">
4zBcq<R7 <ItemTemplate>
~+RrL,t# <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
xBw ua; onkeyup="javascript:DoCal()"
t)(>E'X
x />
8jLO-^X<< qe0ZM-C_ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
'=(yh{W )D]LPCd[ </ItemTemplate>
T0\[":
A </asp:TemplateColumn>
#\z"k<{* &mA{_|> <asp:TemplateColumn HeaderText="金额">
z^%`sUgP <ItemTemplate>
REk^pZ3B <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
!+Sd%2o </ItemTemplate>
ry* 9 </asp:TemplateColumn><script language="javascript">
q'biTn]2 function DoCal()
1gYvp9Ma {
:ZM=P3QZ var e = event.srcElement;
@Hp=xC9V var row = e.parentNode.parentNode;
+J}h var txts = row.all.tags("INPUT");
1py>[II@ if (!txts.length || txts.length < 3)
%.{xo.`a[ return;
|l?*' = k9&pX8# var q = txts[txts.length-3].value;
mT1Q7ta*P var p = txts[txts.length-2].value;
n{c-3w.uD |B),N f|a if (isNaN(q) || isNaN(p))
'1\UFz return;
f{]W*!VV- GMob&0l8_ q = parseInt(q);
)f%Q7 p = parseFloat(p);
S8]YS@@D AAc2u^spx txts[txts.length-1].value = (q * p).toFixed(2);
&v+Hl^ }
p!K]c D </script>
g8Zf(" N$8"X-na ? <bBgevL+_K GIUyW !t&C,@Ox 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
u$x'P <b page_load
o-]8)G>~M page.smartNavigation=true
`{J(S'a` >9Y0t^Fl 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 ?
_#o75*42tT private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
r9^~I {
TIP H#W:v for(int i=0;i<e.Item.Cells.Count-1;i++)
jouT9~[L' if(e.Item.ItemType==ListItemType.EditType)
'494^1"io {
G0x!:[ e.Item.Cells.Attributes.Add("Width", "80px")
'[[*(4a3 }
[8`^_i=# }
ery{>|k 28xLaob 26.对话框
~NO'8Mr private static string ScriptBegin = "<script language=\"JavaScript\">";
1swqs7rR| private static string ScriptEnd = "</script>";
sH)40QmO{ ]LSlo593 public static void ConfirmMessageBox(string PageTarget,string Content)
0 9*?'^s4 {
TJ(vq] |& string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Hb9r.;r<EW 'jU ;.vZex ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
v;R+{K87 IeE6?!,) Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
5'3H$%dC ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
T4"*w //Response.Write(strScript);
x*F_XE1#M }
jX91=78d M4}zRr([.5 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
ot,e?lF Jb`yK@x 1.1 取当前年月日时分秒
k.#[h@Pm currentTime=System.DateTime.Now;
#K[6Ai=We} VK$s+" 1.2 取当前年
n0'"/zyc int 年= DateTime.Now.Year;
0]t7(P"F6 dIvvJk8 1.3 取当前月
3=kw{r[2lM int 月= DateTime.Now.Month;
vtf`+q &0@AM_b 1.4 取当前日
?rububDT{ int 日= DateTime.Now.Day;
je~gk6}Y #N|A@B5x 1.5 取当前时
5!^?H"#c int 时= DateTime.Now.Hour;
(W$>!1~ TInp6w+u 1.6 取当前分
Wwo`R5 int 分= DateTime.Now.Minute;
uF\f>E)/N% l#%G~c8x 1.7 取当前秒
*Y9' tHI int 秒= DateTime.Now.Second;
MG0d&[ ^o6&|q 1.8 取当前毫秒
jD'$nKpg int 毫秒= DateTime.Now.Millisecond;
W q>qso [5jXYqD=vj 28.自定义分页代码:
1FmqNf:V7I ST^{?Q 先定义变量 :
o^&nkR public static int pageCount; //总页面数
6ALUd^ public static int curPageIndex=1; //当前页面
AG<TY<nqL W!WeYV}kb 下一页:
1jQlwT(: if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
eWAgYe2 {
BZWGXzOFh DataGrid1.CurrentPageIndex += 1;
%(n^reuP curPageIndex+=1;
GF awmNZ }
a'A'%+2 $ &fm^1 bind(); // DataGrid1数据绑定函数
dRnO5
7+{ T6p2=o&p 上一页:
sBm/9vu if(DataGrid1.CurrentPageIndex >0)
#_[W*-|L {
RiM!LX DataGrid1.CurrentPageIndex += 1;
g7U>G=,;?U curPageIndex-=1;
a$P$Ngi?S }
|+(Hia,X ^B7C8YP bind(); // DataGrid1数据绑定函数
P0^7hSo cvl1X" 直接页面跳转:
*Wz\FixP0 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
b R;Wf5 AwO'%+Bv if(a<DataGrid1.PageCount)
92S,W?( {
05Go*QvV this.DataGrid1.CurrentPageIndex=a;
rA#Ji~ }
Y!L<&
sl G .k\N(l bind();
[I7([l1Wvd #^&.*'z%z 29.DataGrid使用:
66s h r ,2_!hm/ 添加删除确认:
|F^h>^
x private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_a~-B@2g {
>^hy@m foreach(DataGridItem di in this.DataGrid1.Items)
S k&l8" {
b!xm=U if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
^5d9n<_xnQ {
1*J#:|({(
((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
`di/nv) }
BY^5z<^. }
O/2Jz }
i7(\i2_P vAp?Zl?g 样式交替:
uA2-&smw ListItemType itemType = e.Item.ItemType;
f$^+;j [?Ub =sp if (itemType == ListItemType.Item )
j>t*k!db {
-S %)2(f^ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
esVZ2_eL e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
3teanU` }
f.SmCgG else if( itemType == ListItemType.AlternatingItem)
=3?"s(9 {
]w[T_4l e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
[e+$jsPl e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Pb-Ft= }
v<U +&D{ Jf=$h20x 添加一个编号列:
CuD ^@ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
GBsM?A: DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
tug\X *X4$'LSx1 for(int i=0;i<dt.Rows.Count;i++)
%/x%hs;d {
FI$#x%A dt.Rows["number"]=(i+1).ToString();
jB-)/8.qk }
CD+2
w
cy [5Dg%?x DataGrid1.DataSource=dt;
$"&U%3 DataGrid1.DataBind();
/4Lmu+G4 B=`"!?we DataGrid1中添加一个CheckBox,页面中添加一个全选框
9&`ejeD private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
)c$)am\I{ {
>av.pJ(> foreach(DataGridItem thisitem in DataGrid1.Items)
Ly$s0.! {
z.7'yJIP# ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
)bGd++2 }
)4P5i
b }
Qe )#'$T axW4cS ? 将当前页面中DataGrid1显示的数据全部删除
WrGz` foreach(DataGridItem thisitem in DataGrid1.Items)
f{Dc R" {
MYb^ILz H3 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
C8 b%r|^# {
Ag!#epi{0 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
GCgpe(cQ Del (strloginid); //删除函数
G$D6#/rR }
4U*uH }
>%D=#}8l@ _Vq7Gxy$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)
~?c}=XL- wCb%{iowH 在Application_Start中添加以下代码:
9#;UQ.qA Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
igW>C2J AppSettings["ConnStr"].ToString();
rpNe8"sh *G{Zo*2<
i 31. 变量.ToString()
G
Riu] Q4;br?2H 字符型转换 转为字符串
RO"*&o'K' 12345.ToString("n"); //生成 12,345.00
KrFV4J[ 12345.ToString("C"); //生成 ¥12,345.00
A<&:-Zz 12345.ToString("e"); //生成 1.234500e+004
D?w-uR%Y 12345.ToString("f4"); //生成 12345.0000
drQioH- 12345.ToString("x"); //生成 3039 (16进制)
d[9NNm*htC 12345.ToString("p"); //生成 1,234,500.00%
,A>i)brc /e5Fx 32、变量.Substring(参数1,参数2);
jnoFNIW q$Ol"K@ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
(pjmE7`"P "p\XaClpz 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
N3};M~\ <SCRIPT language="javascript">
Mlpq2I_x <!--
_5nQe
! function gook(pws)
2,>q(M6,EA {
O;A/(lPW+ frm.submit();
|7CH }
JAA P5ur //-->
_]=` F
l i`g>Y5 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
sv^;nOAc <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
mP)<;gm, <tr>
pr-{/6j6 <td>
+M\*C# <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
C%P"Ds=w0N <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
^saJfr x <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
5m+:GiI /N@0qQ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Lh &L5p7 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
c3lfmTT6^ |yI?}zyR </td>
^yRCR] oT WPE@yI(
</tr>
\~ MjI}fs< </form>
55oLj.l^j iR#jBqXD 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
Y54*mn v]*W*; 下面是获取用户输入的登陆信息的代码:
e<^tY0rR& string name;
0nAeeVz| name=Request.QueryString["EmailName"];
Iw"?%k\U }}qR~.[ try
8I C(( {
nm'm*sU\ int a=name.IndexOf("@",0,name.Length);
@D"1}CW f_user.Value=name.Substring(0,a);
+V|]:{3W f_domain.Value=name.Substring(a+1,name.Length-(a+1));
/$rS0@p f_pass.Value=Request.QueryString["Psw"];
nWZrB s
_ }
YKh%`Y1< O)5-6lm catch
!00%z {
,XP9NHE Script.Alert("错误的邮箱!");
i=2+1;K Server.Transfer("index.aspx");
#U/B,`= > }