1. 打开新的窗口并传送参数:
m?_@.O@] 4oywP^I 传送参数:
Z&j?@k,k response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
F|&=\Q #,PB( 接收参数:
>J>|+W string a = Request.QueryString("id");
(043G[H'. string b = Request.QueryString("id1");
5KvqZ1L ' &j]~m 2.为按钮添加对话框
(D
<o=Q Button1.Attributes.Add("onclick","return confirm(’确认?’)");
o dTg.m button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
QB|D_?] 6>Ca O 3.删除表格选定记录
k:k!4 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
:dkBr@u96O string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Y~+`F5xX< OJ2I (8P 4.删除表格记录警告
~s UWXw7~ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
9HJA:k*k| {
yNkE> switch(e.Item.ItemType)
O| zLD {
Z4aK case ListItemType.Item :
Eh*t;J=O case ListItemType.AlternatingItem :
^tY$pPA case ListItemType.EditItem:
2*1FW v TableCell myTableCell;
wM#BQe3t# myTableCell = e.Item.Cells[14];
k9iXVYQ.;r LinkButton myDeleteButton ;
}2-p=Y:6 myDeleteButton = (LinkButton)myTableCell.Controls[0];
Wy.Xx-3W myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
YMEI
J} break;
b$Ch2Qz0q default:
0;pO QF break;
A7X-),D }
%B{NH~ ]\_T }
[6Nw)r(a( J)xc mK 5.点击表格行链接另一页
Md4JaFA( private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
U%,N"]` {
\d)~. 2$G* //点击表格打开
Q4JvFy0' if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_hb@O2f e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
r+WY7'c }
_^)<d$R< 0 w#[?. 双击表格连接到另一页
0{GpO6! j7M[]/| 在itemDataBind事件中
$SmmrM if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
s
s*% 3<
{
@Ja8~5 : string OrderItemID =e.item.cells[1].Text;
CNiUHUD ...
!7O!)WJ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
tsA+B&R_] }
NHCdf* UHEn+Tc> 双击表格打开新一页
M9/c8zZ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
a|x1aN0 {
8C{mV^cn~ string OrderItemID =e.item.cells[1].Text;
x1}7c9nK ...
:OVre*j e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
6DFF:wrm& }
v3i]z9` 8SGFzb! h ★特别注意:【?id=】 处不能为 【?id =】
<?UIux 6.表格超连接列传递参数
-U?Udmov <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
>*PZ&"}M <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
m"<Sb,"x! ZgcJxWC< 7.表格点击改变颜色
UtF8T6PKdW if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
$`Z-,AJc {
{/C
\GxH+ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
]i-peBxw this.style.color=’buttontext’;this.style.cursor=’default’;");
`!.)"BI/s }
3f2%+2Zjt, p`)GO.pz 写在DataGrid的_ItemDataBound里
-Cjc~{B>7X if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
I]"wT2@T;7 {
3TRzDE(J e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
P,x'1`k~ this.style.color=’buttontext’;this.style.cursor=’default’;");
@?$x e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
UN
<s1 }
hlpi-oW` +0016UgS# d;3/Vr$t= 8.关于日期格式
j9@7\N< <n4T* 日期格式设定
8,Jjv* DataFormatString="{0:yyyy-MM-dd}"
{8)Pke
[*<F
我觉得应该在itembound事件中
4!pMZ<$3 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
j {w'#x, +/tNd2 9.获取错误信息并到指定页面
g-0?8q5T6 7~@9=e8G 不要使用Response.Redirect,而应该使用Server.Transfer
!o+Y"* / *;QIAd e.g
w-%V9]J1 // in global.asax
raL!} protected void Application_Error(Object sender, EventArgs e) {
*9#6N2J$M if (Server.GetLastError() is HttpUnhandledException)
CdCo+U5z{ Server.Transfer("MyErrorPage.aspx");
#-xsAKi %#xdD2oN //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
5OUGln5 }
xV&c)l>} DJxe3< 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
`0.< 3*< O-Jr 10.清空Cookie
!^{0vFWE Cookie.Expires=[DateTime];
_l`d+
\# Response.Cookies("UserName").Expires = 0
u@j]U|FpY kvWP[! j?) 11.自定义异常处理
@>Y.s6a //自定义异常处理类
d5zv8?|X+ using System;
]ZV.@%+ using System.Diagnostics;
i3bH^WwE&k C|#GODA namespace MyAppException
SG:Fn8 {
0(!j]w"r3 /// <summary>
KIY/nu
/// 从系统异常类ApplicationException继承的应用程序异常处理类。
x*]&Ca0+ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
eI?|Ps{S /// </summary>
c/:d$o- public class AppException:System.ApplicationException
V}?*kx~T2C {
b.h:~ATgN public AppException()
eIZ7uSl {
Z>0a?=1[ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
}BTK+Tk8 }
vD,ZEKAN OVwcjhQ public AppException(string message)
W9i}w& {
8>U{>]WG LogEvent(message);
#%Z 0! }
$<;!F=%8 Y[_{tS#u public AppException(string message,Exception innerException)
Sz!mn
{
VFmG\ LogEvent(message);
gLm ]* if (innerException != null)
g8=j{]~C {
]2:w?+T LogEvent(innerException.Message);
79m',9{u }
EC`!&Yp+ }
2O|jVGap5x Ge'[AhA //日志记录类
sBN"eHg using System;
8 IeE7 using System.Configuration;
kGz0`8URu using System.Diagnostics;
^{<!pvT using System.IO;
Hnq$d6F using System.Text;
2p^Jqp`$ using System.Threading;
h>w(Th\H 4q9+a7@ namespace MyEventLog
rI'kGqU {
*5e"suS2 /// <summary>
D)O2=aQ;] /// 事件日志记录类,提供事件日志记录支持
nj90`O.K /// <remarks>
I{/}pr> /// 定义了4个日志记录方法 (error, warning, info, trace)
UFE# J /// </remarks>
1
N{unS /// </summary>
Gy]ZYo( public class ApplicationLog
`G@(Z:]f,t {
2|6E{o /// <summary>
f9%M:cl /// 将错误信息记录到Win2000/NT事件日志中
QIK;kjr*A3 /// <param name="message">需要记录的文本信息</param>
\!51I./Q/ /// </summary>
{wp~ public static void WriteError(String message)
)ajF ca@v {
=<BPoGs5 WriteLog(TraceLevel.Error, message);
Th'B5:` }
hL?"! e) \PW1b /// <summary>
jqzG=/0~{ /// 将警告信息记录到Win2000/NT事件日志中
)yl;i /// <param name="message">需要记录的文本信息</param>
'DhH:PR /// </summary>
<MQTOz
oj public static void WriteWarning(String message)
kd=|Iip;( {
Il4R R WriteLog(TraceLevel.Warning, message);
C:9a$ }
v1R t$[ GG=R!+p2 /// <summary>
J<vVsz+7: /// 将提示信息记录到Win2000/NT事件日志中
-f-@[; D /// <param name="message">需要记录的文本信息</param>
w/oXFs&FK /// </summary>
5/E7@h , public static void WriteInfo(String message)
_xmS$z)TO {
DtFzT>$^F WriteLog(TraceLevel.Info, message);
b(HbwOt~3 }
o>l/*i0I /// <summary>
W#bOx0 /// 将跟踪信息记录到Win2000/NT事件日志中
N<N uBtkA /// <param name="message">需要记录的文本信息</param>
m\.(- /// </summary>
FoW|BGA~ public static void WriteTrace(String message)
%7v!aJ40 {
)JXlPU WriteLog(TraceLevel.Verbose, message);
xt zjFfq }
5OM*NT t \c\z 6;j /// <summary>
@c-| Sl /// 格式化记录到事件日志的文本信息格式
EEp~\^- /// <param name="ex">需要格式化的异常对象</param>
3%(BZ23 /// <param name="catchInfo">异常信息标题字符串.</param>
4>NmJrh /// <retvalue>
B1k;!@@14 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
L;i(@tp|v /// </retvalue>
2]V&]s8Wi= /// </summary>
C~X"ZW:d[ public static String FormatException(Exception ex, String catchInfo)
l
Zz%W8" {
VUUE2k;^ StringBuilder strBuilder = new StringBuilder();
(&!x2M if (catchInfo != String.Empty)
jmJeu@( {
yt{?+|tXU strBuilder.Append(catchInfo).Append("\r\n");
<3fY,qw }
7m.>2U strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
uwc@~=; return strBuilder.ToString();
Zq" }
$)Ty@@7C :;URLl0 /// <summary>
_W /// 实际事件日志写入方法
*q*$%H /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
y1bo28 /// <param name="messageText">要记录的文本.</param>
PlRcrT"#w /// </summary>
6=p!`DOd private static void WriteLog(TraceLevel level, String messageText)
sP@7%p>wt {
Nz%Yi?AF try
/wPW2<|"X. {
6){nu rDBG EventLogEntryType LogEntryType;
6B!v;93U switch (level)
7_~_$I~g* {
S#b)RpY case TraceLevel.Error:
}q=tg9 LogEntryType = EventLogEntryType.Error;
giHqc7-PaX break;
K6 c[W%Va case TraceLevel.Warning:
9R99,um$ LogEntryType = EventLogEntryType.Warning;
IqCh4y3 break;
30bdcDm, case TraceLevel.Info:
fS]Z`U" LogEntryType = EventLogEntryType.Information;
jE2EoQi, break;
]92=PA>75 case TraceLevel.Verbose:
|&_(I LogEntryType = EventLogEntryType.SuccessAudit;
w3FEX$`_ break;
q"u,r6ED default:
v,jB(B^|Z LogEntryType = EventLogEntryType.SuccessAudit;
^+O97<#6C break;
C1x(4&h }
o('6,D Tbj}04;I EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
GI%9Tif //写入事件日志
Ga\kvMtr eventLog.WriteEntry(messageText, LogEntryType);
9>/:c\q+ ,VZ<r5NT }
NY/-9W5T4 catch {} //忽略任何异常
#c(BBTuX }
3 (F+\4aRm } //class ApplicationLog
+8.1cDEH\ }
>M7(<V /%AA\`:6 12.Panel 横向滚动,纵向自动扩展
]Y3s5#n <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
i2!0bY y'_2|5!Qs 13.回车转换成Tab
a"8H(HAlNn <script language="javascript" for="document" event="onkeydown">
sOm&7A? if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
J+=?taZ event.keyCode=9;
yJ?=HH? </script>
KMXd FO)`&s"&2 onkeydown="if(event.keyCode==13) event.keyCode=9"
?>q5Abp[ \R,8xID_t 14.DataGrid超级连接列
WQv`%%G2> DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
B<jVo%og pDt45 15.DataGrid行随鼠标变色
Wb;D9Z private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
-+WE9 {
5>>JQ2'W if (e.Item.ItemType!=ListItemType.Header)
O5ZR{f& {
]~9YRVeC e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
AdWP e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
S6{u(=H }
ycrM8Mu
3 }
u2cDSRrqT L/)Q1Mm 16.模板列
*#j_nNM4 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
x<=R?4@rq <ITEMTEMPLATE>
(f
<ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
7%5EBH & </ITEMTEMPLATE>
.QB)Y* z </ASP:TEMPLATECOLUMN>
N^zFKDJG c>BDw< <ASP:TEMPLATECOLUMN headertext="选中">
AL*M`m_ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
|D1TSv}rZD <ITEMTEMPLATE>
@cn8 m <ASP:CHECKBOX id="chkExport" runat="server" />
?D=C8[NEX </ITEMTEMPLATE>
98lz2d/Fcq <EDITITEMTEMPLATE>
rVB\\ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
a&<_M$J& </EDITITEMTEMPLATE>
FBS]U$1 </ASP:TEMPLATECOLUMN>
cg^=F_h Uwg*kJ3H 后台代码
mj&$+z M> protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
w-LaSJ(T {
C;']FmK] //改变列的选定,实现全选或全不选。
"/d CheckBox chkExport ;
YFeL#)5y if( CheckAll.Checked)
6)_h'v<|M {
L+_
JKc foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
a=M/0N{! {
YA~`R~9d chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
K1zH\wH chkExport.Checked = true;
9ZI^R/*Kc }
_xr@dK<
}
d?)Ic1][ else
YtA<4XHU {
jz,Gj}3; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
C9n*?Mk: {
:]9CdkaU chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*z)+'D*+ chkExport.Checked = false;
pV/5w<_x? }
lFa?l\jLXZ }
hQaa"U7[ }
EXti ;OSEMgB1 17.数字格式化
G' mg-{ a|Wrc)UR 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Bs^p!4=
<%#Container.DataItem("price","{0:¥#,##0.00}")%>
Yduj3Ht:w s,-}}6WO int i=123456;
petq6)g? string s=i.ToString("###,###.00");
lfqsoIn; '}F..w/ 18.日期格式化
#2;8/"v Nh1,
w 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
gQuU_dbXSB Tfw5i,{ 显示为: 2004-8-11 19:44:28
X 1}U duoM>B>8] 我只想要:2004-8-11 】
,soXX_Y> <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
K[i&!Z&
CmdPa!4) 应该如何改?
HjZf3VwI w$jq2?l 【格式化日期】
Wt!8.d}= F **/T 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
}[]1`2qD [9\Mf4lh# 【日期的验证表达式】
yXBWu=w3`O S y^et A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
j){0>O.V ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
z;\,Dt ,AG k4] B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
`2n%Lo?_ ^\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]))$
Xvxj-\ - =:m6ge@C&H 【大小写转换】
G@rV9 HttpUtility.HtmlEncode(string);
?J6\?ct4 HttpUtility.HtmlDecode(string)
Pl&x6\zL Gg6<4T1 19.如何设定全局变量
oPrK{flm D9\ E kX Global.asax中
|] ]Rp q6eD{/4a1 Application_Start()事件中
J['i fn Pej?f: 添加Application[属性名] = xxx;
7$"n.cr
: wa$Q8/ 就是你的全局变量
'v%v*Ujf[ gF r-P! 3 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
\6vr)1~N> ~--F?KUnL HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
|yi#6!}^ @%I-15Jz 【ASPNETMENU】点击菜单项弹出新窗口
X"S")BQ
q wPr!.:MF 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
c='uyx <?xml version="1.0" encoding="GB2312"?>
d+%Rg\v <MenuData ImagesBaseURL="images/">
d ZxrIWx <MenuGroup>
fDKV` <MenuItem Label="内参信息" URL="Infomation.aspx" >
0134mw%jk <MenuGroup ID="BBC">
:F?L,I,K <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
E$s?) <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
$q0i=l&$& ......
1a'0cSH Y#rd'
8 最好将你的aspnetmenu升级到1.2版
(gF{S*` .CEl{fofj 21.读取DataGrid控件TextBox值
MmD1@fW32# foreach(DataGrid dgi in yourDataGrid.Items)
W"\O+ {
~jMfm~ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
;oVFcZSA tb.Text....
h&<>nK
}
sdXZsQw DB.)/(zWQ 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?
}PxPJ$o ;I]$N]8YI 〖思归〗
U9x6\Iy <asp:TemplateColumn HeaderText="数量">
{hBnEj^@ <ItemTemplate>
z;Dc#SZnO( <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
,`ju(ac! onkeyup="javascript:DoCal()"
b*<Fi#x1= />
}/M`G]wT# ]3CWb>!_ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
2;`WI:nt </ItemTemplate>
WU{9lL= </asp:TemplateColumn>
;
nYR~~ !t|2&R$IQ <asp:TemplateColumn HeaderText="单价">
e6_` <ItemTemplate>
E\*M4n\! <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
tJ Mm onkeyup="javascript:DoCal()"
-E-e! />
a`8svo;VUO <&iLMb:% <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
t^8|t(Lq /H :Bu </ItemTemplate>
_t@9WA;+\ </asp:TemplateColumn>
|!*abc\`(` y{J7^o(_~ <asp:TemplateColumn HeaderText="金额">
Y&1Yc)*O <ItemTemplate>
|]tsf
/SA <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
@zSj&4 </ItemTemplate>
7!^Zsp^+ </asp:TemplateColumn><script language="javascript">
gwN
y]! function DoCal()
?EA&kZR] {
o;'-^ LJ var e = event.srcElement;
m";?B1%x var row = e.parentNode.parentNode;
h3z9}' var txts = row.all.tags("INPUT");
F{F SmUxzK if (!txts.length || txts.length < 3)
(zIF2qY return;
gutf[Ksu E
rnGX#@v var q = txts[txts.length-3].value;
]vq=~x var p = txts[txts.length-2].value;
9DaoMOPEI s
Vg89I& if (isNaN(q) || isNaN(p))
L?r\J8Ch< return;
89a`WV@} yvV]|B@sO q = parseInt(q);
`;z;=A* p = parseFloat(p);
tz_WxOQ0 }Fb966 $ txts[txts.length-1].value = (q * p).toFixed(2);
{#H'K*j{ }
;#S4$wISw` </script>
GE |P )VO x}H%NzR zH1ChgF=}
b~Oc: QS2~}{v 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
@rxfOc0J# page_load
uG7ll5Yy page.smartNavigation=true
6Y/TqI[
Gkz~xQy1T 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
sr`)l& t? private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
bb"x^DtT {
^li(q]g1! for(int i=0;i<e.Item.Cells.Count-1;i++)
fg~9{1B if(e.Item.ItemType==ListItemType.EditType)
JsbH'l {
#{|F2AM e.Item.Cells.Attributes.Add("Width", "80px")
1iIag}?p }
M;1B}x@ }
>y^zagC* vAo|o* 26.对话框
i T&Y9 private static string ScriptBegin = "<script language=\"JavaScript\">";
VU(#5X%Pn private static string ScriptEnd = "</script>";
Xsv^GmP+ k{B;J\`E; public static void ConfirmMessageBox(string PageTarget,string Content)
%XK<[BF {
0O7VM)[ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
@-5V~itW \_PD@A9 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
hYv;*] .GNl31f0 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
oM)4""| ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
-
]Mp<Y //Response.Write(strScript);
/2AeJH\- }
g'{hp: Zlf)
dDn 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
34Z$a{
w u!K5jqP 1.1 取当前年月日时分秒
osW"b"_f currentTime=System.DateTime.Now;
TNK~ETE4 k4Ub+F 1.2 取当前年
>ISN2Kn
int 年= DateTime.Now.Year;
GK-__Y. T*8rR" 1.3 取当前月
+
c"$-Jr int 月= DateTime.Now.Month;
MuCnBx u+/1ryp 1.4 取当前日
mzh7E[S_,i int 日= DateTime.Now.Day;
&[iunJv:eq 1>e%(k2w% 1.5 取当前时
A%dI8Z, int 时= DateTime.Now.Hour;
g_F-PT>($ O9(6 ?n 1.6 取当前分
HtbN7V/ int 分= DateTime.Now.Minute;
vynchZ+g] _/
Uer} 1.7 取当前秒
'}eA2Q>BV int 秒= DateTime.Now.Second;
{u,yX@F4l #+]-}v3 1.8 取当前毫秒
=hse2f int 毫秒= DateTime.Now.Millisecond;
K{#1O=Gi n.\|NR'v 28.自定义分页代码:
1l*O;J9By q"sD>Yh& 先定义变量 :
(D5.NB%@ public static int pageCount; //总页面数
)zoO#tX public static int curPageIndex=1; //当前页面
dN)!B!*aI Q N$Ac.F 下一页:
EM&;SQ;C9 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
~56F<=#, {
:VEy\ R>W DataGrid1.CurrentPageIndex += 1;
z'+k]N9Q^ curPageIndex+=1;
t<QSp6n"" }
_YM]U`* :0)nL bind(); // DataGrid1数据绑定函数
Hg}@2n)/ Sd0y=!Pj= 上一页:
tf+5@Zf]4 if(DataGrid1.CurrentPageIndex >0)
ID1/N)56 {
e//q`?ys DataGrid1.CurrentPageIndex += 1;
n-Qpg curPageIndex-=1;
nB+ e2e& }
~^u#Q\KE" D^%DYp bind(); // DataGrid1数据绑定函数
[)&(zJHX N=X(G( 直接页面跳转:
cA8"Ft{P) int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
4:Bpz;x ,9:0T LLR if(a<DataGrid1.PageCount)
OVE5:)$x {
d].(x)|st this.DataGrid1.CurrentPageIndex=a;
R#QcQx }
4xE [S /EpsJb`kj bind();
@aC2] a#qC.,$A 29.DataGrid使用:
b&$sY!iU ZTwCFn 添加删除确认:
h'_@ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
XtV=Gr8" {
1ukCH\YgU foreach(DataGridItem di in this.DataGrid1.Items)
MiX*PqNTM {
v'QmuMWF if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
iq!u}# x_ {
R3dCw:\O+Z ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
#el i_Cxe }
uk(|c-_]~c }
@zHTKi` }
pxs#OP v_zVhEtY 样式交替:
r^$4]@Wn ListItemType itemType = e.Item.ItemType;
3]X~bQAw }gr6naz if (itemType == ListItemType.Item )
y^SDt3Am {
ua^gG3n0 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Y_}DF.>I P e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
)ww#dJn }
abVz/R/o else if( itemType == ListItemType.AlternatingItem)
,/qS1W( {
.<!Jhf$ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
ft"B, e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
NG2@.hP:uU }
tw`{\kWG XSu9C zx&I 添加一个编号列:
8u401ddg DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
"s6O|=^* DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
$
+` t&r-;sH^[ for(int i=0;i<dt.Rows.Count;i++)
Ny.s
u?E {
FE`:1 dt.Rows["number"]=(i+1).ToString();
,pgpu ! }
Mpm#a0f azj:Hru&t# DataGrid1.DataSource=dt;
m|RA@sY%` DataGrid1.DataBind();
gZFtV BtyBZ8P;e DataGrid1中添加一个CheckBox,页面中添加一个全选框
y8$TU; private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
%D(%
lh2 {
{~"&$DY2 foreach(DataGridItem thisitem in DataGrid1.Items)
!;YmLJk;hN {
0<{+M` G/ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
| 'SqG}h }
.H,wdzg) }
8H>: C(h PF,|Wzx 将当前页面中DataGrid1显示的数据全部删除
6S;-fj foreach(DataGridItem thisitem in DataGrid1.Items)
)$* T>.JA {
.@Z-<P" if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
y]
Io`w(> {
wX3x.@!: string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
}*2q7K2bj Del (strloginid); //删除函数
0 ttM_]#q }
!,mv 7Yj }
(f^K\7HM nyZUf{: 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
( aGwe@AS vwZrvjP2 在Application_Start中添加以下代码:
a'LM6A8~x Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
7/"g}
F}Q AppSettings["ConnStr"].ToString();
AXV+8$ :R H!y%Fa Ti 31. 变量.ToString()
&></l| hY A9_)} 字符型转换 转为字符串
cxhS*"Ph 12345.ToString("n"); //生成 12,345.00
KJ
Gh) 12345.ToString("C"); //生成 ¥12,345.00
vHY."$|H 12345.ToString("e"); //生成 1.234500e+004
-q9`Btz 12345.ToString("f4"); //生成 12345.0000
niZ/yW{w 12345.ToString("x"); //生成 3039 (16进制)
\($EYhx 12345.ToString("p"); //生成 1,234,500.00%
O.n pi: a D8otUDB{ 32、变量.Substring(参数1,参数2);
$7{| l65-8 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
. Q3GA0O :I(-@2?{ 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
\;w+_<zE5{ <SCRIPT language="javascript">
D2$"!7O1H <!--
3YyB0BMW function gook(pws)
BJgg-z{Y {
:T5p6: frm.submit();
4%Q8>mEvT }
J1I"H<}-6 //-->
|Uz?i7z ='1J&w~7 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
mmrx*sr= <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
3lc'(ts% <tr>
;eznONNF <td>
JO:40V?op <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
%k8} IBL <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Z~}=q <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
3%Jg' Tr+ i7:R4G(/# <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
g:/l5~b <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
vpOn0([hS @q9uU9c </td>
.W{\wkn gd>Op </tr>
ShAI6j yBKkx@o#z </form>
Km2ppGLNn = :rR%L!a 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。
OHeVm-VC t?p[w&@M2 下面是获取用户输入的登陆信息的代码:
B JDe1W3;' string name;
`X8AM= name=Request.QueryString["EmailName"];
$\>GQ~k 7Wg0-{yK4 try
_K{hq<g {
~ g$Pb[V int a=name.IndexOf("@",0,name.Length);
;L.@4b[lP f_user.Value=name.Substring(0,a);
1_uq46 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
s$e0;C!D f_pass.Value=Request.QueryString["Psw"];
:(EU\yCzK }
'|n-w\
>Wv gCAWRNp catch
tE/s|v#O {
YK#bzu ,! Script.Alert("错误的邮箱!");
n0#HPI" Server.Transfer("index.aspx");
6P;JF%{J }