1. 打开新的窗口并传送参数:
\}cEHLq SL*B `P~{ 传送参数:
1(m89C[ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
nzU@}/A/ \s,ZE6dQ 接收参数:
#/YKA{ string a = Request.QueryString("id");
E$RH+):| string b = Request.QueryString("id1");
xY@V. ,3x3&c 2.为按钮添加对话框
oJ5V^. Button1.Attributes.Add("onclick","return confirm(’确认?’)");
%POoyH@D} button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
t,&1~_9 x;kW }U 3.删除表格选定记录
"*?^'(yA@ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
/Wt<[g# string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
A_CK,S*\,& Iz
VtiX 4.删除表格记录警告
kMK-E<g private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
G6L'RP {
aj1Zi3h switch(e.Item.ItemType)
5*~G7/hT {
,%Dn}mWu case ListItemType.Item :
)Wgh5C` case ListItemType.AlternatingItem :
j134iVF% case ListItemType.EditItem:
Z:5e:M TableCell myTableCell;
40mgB4I myTableCell = e.Item.Cells[14];
F(mm0:lT LinkButton myDeleteButton ;
$+-2/=>Xk myDeleteButton = (LinkButton)myTableCell.Controls[0];
,zO!`|I myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
,\ov$biL break;
Yf<6[(6 O default:
lLl^2[4k5 break;
8M!If }
z7> KYMz }
SxH b76 ; #pLd'; 5.点击表格行链接另一页
HPT$)NeNc private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
LLCMp3qBz {
z^@98:x //点击表格打开
c?IFI if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R{u/r%
e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
}fdo
Aid~ }
L-vy,[9)[* )nQA) uz 双击表格连接到另一页
j#zUO&Q@ P6@(nGgK< 在itemDataBind事件中
!Yd7&#s if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6f(K'v {
xV}-[W5sr' string OrderItemID =e.item.cells[1].Text;
6o!+E@V
b ...
?o?~Df& e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
^*`hJ48u }
Fn1|Wt* J1KV?aR 双击表格打开新一页
\= =rdW- if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8 Zhx& {
>Ta|#]{ string OrderItemID =e.item.cells[1].Text;
{L4ta~2/T ...
]gx]7 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
CM|?;PBuv
}
B^Fe.t y 4:WN-[xX ★特别注意:【?id=】 处不能为 【?id =】
#Fm, mO$v 6.表格超连接列传递参数
?@!dc6
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
K`Vi5hR~c <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
x(ue
|UG ef *Vs 7.表格点击改变颜色
vu Vcv
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
N D`?T
&PK {
<xv@us7 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
iK%%
this.style.color=’buttontext’;this.style.cursor=’default’;");
#0GvL=}k }
Q+YYj AU0pJB' 写在DataGrid的_ItemDataBound里
s"gNHp.oF if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
mW-4 {
{$5?[KD e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
AR8zCKBc^ this.style.color=’buttontext’;this.style.cursor=’default’;");
}V:ZGP#!' e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
SoC3)iqv/ }
Ti:PKpc <#HQU< :|%k*z 8.关于日期格式
41dB4Td5t }RvinF:5 日期格式设定
|soDt<y+L DataFormatString="{0:yyyy-MM-dd}"
V'alzw7# ny'?Hl'Q 我觉得应该在itembound事件中
,sF49CD e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
l=4lhFG,Mk qJN!L)) 9.获取错误信息并到指定页面
Ps<;DE\$f4 =cz^g^7 不要使用Response.Redirect,而应该使用Server.Transfer
<MdIQ;I8 oU"!"t e.g
~FCkr&Ky3 // in global.asax
\7]0vG protected void Application_Error(Object sender, EventArgs e) {
0;6eSmF if (Server.GetLastError() is HttpUnhandledException)
l4:B( Server.Transfer("MyErrorPage.aspx");
tr?U/YG e,V @t% //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
;xqN#mqq }
A~0eJaq+ lFJDdf2:$C 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
'ip2| UG (+aU ,EQ 10.清空Cookie
P]cC2L@Vbi Cookie.Expires=[DateTime];
bSJ@
5qS Response.Cookies("UserName").Expires = 0
'/O >#1 ^W#161& 11.自定义异常处理
Z /G`8|A //自定义异常处理类
8=kIN-l_ using System;
#X 1 GL using System.Diagnostics;
X?f\j"v \P~h0zg? namespace MyAppException
\%BII>VS {
}o,-@R~ /// <summary>
:LrB9Cf$n /// 从系统异常类ApplicationException继承的应用程序异常处理类。
:[\M|iAo /// 自动将异常内容记录到Windows NT/2000的应用程序日志
rvEX;8TS /// </summary>
j{&*]QTN public class AppException:System.ApplicationException
dQ#$(<v[ {
j; TXZ`|( public AppException()
4 x|yzUx {
1RHFWK5Si if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
:d)y }
ngLpiU0H& w#qE#g %1 public AppException(string message)
X\Gbs=sf6 {
Gv\39+9= LogEvent(message);
i0q<,VSl$_ }
lD9QS ; 0Ba*"/U]t~ public AppException(string message,Exception innerException)
SB
x<-^ {
ks19e>'5Q LogEvent(message);
(pv6V2i if (innerException != null)
}z,f8Yz {
,azBk`$iQr LogEvent(innerException.Message);
v{r,Wy3 }
nI_UL }
[ikW3 '99, yt+d
f0l //日志记录类
[x[nTIg using System;
;)Fc@OXN> using System.Configuration;
W @
?* ~ using System.Diagnostics;
Fswr @du using System.IO;
XP%/*am using System.Text;
(/$a*$ using System.Threading;
Bcl6n@{2f
,hSTR) namespace MyEventLog
SX1w5+p$C {
F<0GX!p4u /// <summary>
O_4j"0 /// 事件日志记录类,提供事件日志记录支持
IRG -H!FV /// <remarks>
A<p6]#t#X) /// 定义了4个日志记录方法 (error, warning, info, trace)
qxbGUyH== /// </remarks>
T/$hN hQK /// </summary>
FKWL{"y public class ApplicationLog
wN]]t~K)Q {
'5etZ!: /// <summary>
1fMl8[!JLu /// 将错误信息记录到Win2000/NT事件日志中
XMlcY;W /// <param name="message">需要记录的文本信息</param>
b|Sjh; /// </summary>
?v,4seRuz public static void WriteError(String message)
V:'_m'.-Y {
M$Or|HTG WriteLog(TraceLevel.Error, message);
fx=HK t }
IeT1Jwe ~O8Xj6 /// <summary>
b wqd`C /// 将警告信息记录到Win2000/NT事件日志中
sjj,q? /// <param name="message">需要记录的文本信息</param>
d$5\{YLy /// </summary>
jI!WE$dt public static void WriteWarning(String message)
GUcGu5tw: {
Q@ghQGn# WriteLog(TraceLevel.Warning, message);
-izZ D }
w%?6s 3 ]I:h4hgw /// <summary>
|R3A$r#- /// 将提示信息记录到Win2000/NT事件日志中
M
_e^KF /// <param name="message">需要记录的文本信息</param>
?#gYu%7DN /// </summary>
>A.m`w public static void WriteInfo(String message)
2)T.Ci cx {
+`&-xq76 WriteLog(TraceLevel.Info, message);
M32Z3< }
l<-0@(x) /// <summary>
ov|/=bzro /// 将跟踪信息记录到Win2000/NT事件日志中
~{$5JIpCm /// <param name="message">需要记录的文本信息</param>
2p;N|V /// </summary>
cyXnZs ?| public static void WriteTrace(String message)
snvixbN {
|PutTcjQ WriteLog(TraceLevel.Verbose, message);
~JX+4~qT }
_ lE
d8Cb F.$NYr/|y /// <summary>
}%Vx2Q /// 格式化记录到事件日志的文本信息格式
R4AKp1Y /// <param name="ex">需要格式化的异常对象</param>
Sp\
7 /// <param name="catchInfo">异常信息标题字符串.</param>
{GhM,-%e /// <retvalue>
d: LP8 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
NsF8`rg /// </retvalue>
eUEO~M2&U{ /// </summary>
EZ)$lw/!J public static String FormatException(Exception ex, String catchInfo)
wq>0W4( {
Z"5ewU<? StringBuilder strBuilder = new StringBuilder();
&Ef_p-e-P if (catchInfo != String.Empty)
!8}x6 {
m!sMr^W strBuilder.Append(catchInfo).Append("\r\n");
Uu(FFd~3 }
"zx4k8 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
hngdeGa
return strBuilder.ToString();
M?.[Rr-uw }
r8TNl@Z '[`pU>9 /// <summary>
gaVQ3NqF /// 实际事件日志写入方法
cUD}SOW /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
";*Iwd*V /// <param name="messageText">要记录的文本.</param>
'D[g{LkL /// </summary>
CAtdx! private static void WriteLog(TraceLevel level, String messageText)
TKrh3
{
H q."_i{I try
-iySU 6 {
vJfj1 f EventLogEntryType LogEntryType;
|yYu!+U switch (level)
2>h.K/pC {
lQl case TraceLevel.Error:
p?Jx2(%m LogEntryType = EventLogEntryType.Error;
|n*<H| break;
j7v?NY case TraceLevel.Warning:
97\9!)`, LogEntryType = EventLogEntryType.Warning;
f{ER]U break;
a9niXy}a( case TraceLevel.Info:
69JC!du LogEntryType = EventLogEntryType.Information;
*c'hmAs break;
@ZtDjxN
& case TraceLevel.Verbose:
tY0C& u2 LogEntryType = EventLogEntryType.SuccessAudit;
M'}iIO`L break;
3}V-'!
default:
cRS2v--\- LogEntryType = EventLogEntryType.SuccessAudit;
? yek\X break;
{3){f;b }
HV\l86} u
ioBId EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
ctT6va //写入事件日志
pHv~^L%= eventLog.WriteEntry(messageText, LogEntryType);
N3?@CM^hHw '/~j!H4q9 }
m\;@~o'k catch {} //忽略任何异常
vj4n=F,Z }
Qv/Kb w
N{ } //class ApplicationLog
,-.a! a }
d'*:2;)g^ (f>~+-IL 12.Panel 横向滚动,纵向自动扩展
qb?9i-( <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Ai 5|N d,*#yzO 13.回车转换成Tab
L_QJS2 <script language="javascript" for="document" event="onkeydown">
Av"^uevfs if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
EjFK zx event.keyCode=9;
Bv(c`JE~; </script>
Dfl%Knl@J Ln@n6*%(/ onkeydown="if(event.keyCode==13) event.keyCode=9"
"?(N :vRUb>z 14.DataGrid超级连接列
mIm.+U`a2 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
hkoCbR0}8 ZhYOz 15.DataGrid行随鼠标变色
yVl?gGgh private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_|}
GhdYE {
Gk2R:\/Y if (e.Item.ItemType!=ListItemType.Header)
_NkbB"+L {
\A=:6R%Qb e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
'
Y cVFi e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
$*z>t*{7 }
#t?tt,nc} }
-$+`v<[r Avr2MaY{h 16.模板列
ZI NqIfc <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
s6.#uT7h <ITEMTEMPLATE>
=#K$b *# <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
MO-)j_o-Z </ITEMTEMPLATE>
k-XE|v </ASP:TEMPLATECOLUMN>
n2(@uT&> <j^bk"l p <ASP:TEMPLATECOLUMN headertext="选中">
?R8wm E[w <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
8oVQ:' 6 <ITEMTEMPLATE>
NZ=`iA8)X <ASP:CHECKBOX id="chkExport" runat="server" />
P/;d|M( </ITEMTEMPLATE>
0VBbSn}Z< <EDITITEMTEMPLATE>
jce^Xf <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
i{5,mS& </EDITITEMTEMPLATE>
"*N=aHsj </ASP:TEMPLATECOLUMN>
Y1Sfhs) >nOU 8 后台代码
LJ+Qe%| protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
mOE%:xq9- {
Ed +"F{!eQ //改变列的选定,实现全选或全不选。
^;gwD4(hs CheckBox chkExport ;
M8}t`q[-& if( CheckAll.Checked)
f_qW+fN::s {
+`s%-}-r foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
QGM@m:O {
P_8z'pYd> chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$2lPUQZ<5 chkExport.Checked = true;
Uf<hzP }
{B,r }
]v,>!~8r else
QfHO3Y6h[ {
MPI=^rc2 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
UthH {
'I8K1Q=/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
f!n0kXVu6U chkExport.Checked = false;
*D6X&Hg&5 }
rj> _L }
8O_0x)X }
K>x+*UPL h(1o!$EU2 17.数字格式化
v(vJ[_&% !=yNj6_f 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
4A@77#:J5 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
>Qg 9KGk' W]U},g8Z int i=123456;
@Wb_Sz4` string s=i.ToString("###,###.00");
2qkZ B0[ o2vBY]Tj 18.日期格式化
klwNeGF]N _0: }"!Gq 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
S#wy+* i9Tq h 显示为: 2004-8-11 19:44:28
W`2Xn?g Y&JK*d 我只想要:2004-8-11 】
n13#}i{tm <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
"x
P2GZ 1*o=I-nOa 应该如何改?
l=.h]]`; j|/4V 【格式化日期】
a/v!W@Zz} X:1&Pdi 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
}aC@o v]2 Sh+$w=vC 【日期的验证表达式】
;"N4Yflz DbH"e A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
.vJlTg ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
U'K{>"~1a !CO1I-yL B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
HX&G
k ^\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]))$
~R!M.gY[rK y
+2 【大小写转换】
CW)JS3}W" HttpUtility.HtmlEncode(string);
?!Bf# "TY HttpUtility.HtmlDecode(string)
6+s10? wTw)GV4 19.如何设定全局变量
5y`n8. (?
iE8 Global.asax中
~Y.I;EPKt vz1yH%~E Application_Start()事件中
j[e<CGZ A)j',jE&1 添加Application[属性名] = xxx;
xS>d$)rIj 2uln)] 就是你的全局变量
4,)EG1 O7of9F~" 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
{#o0vWS> p6Ie ?Gg HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
P56B~M_ *@1(!A 【ASPNETMENU】点击菜单项弹出新窗口
V@C8HTg
k/;%{@G) 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
K\3N_ztu <?xml version="1.0" encoding="GB2312"?>
PDi]zp9>H <MenuData ImagesBaseURL="images/">
xB<^ar <MenuGroup>
Jdc{H/10 <MenuItem Label="内参信息" URL="Infomation.aspx" >
gFQ\zOlY8a <MenuGroup ID="BBC">
uihU)]+@t/ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
EpsjaOmAF <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
,^K}_z\9f ......
)A1u uW ( ??u*qO:p 最好将你的aspnetmenu升级到1.2版
Wp2$L-T&$ _<LJQ 21.读取DataGrid控件TextBox值
"z6xS; foreach(DataGrid dgi in yourDataGrid.Items)
|3{"ANmm' {
WNmG'hlA TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
|@*3
nb8 tb.Text....
Ua2wa A }
wS"`~Ql_ Dm+[cA"I 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?
49?wEm# 0`y*7.Ip 〖思归〗
FJCL K#- <asp:TemplateColumn HeaderText="数量">
:I!}ZD+Z <ItemTemplate>
[0M`uf/u <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
oH]_2[
! onkeyup="javascript:DoCal()"
L#6!W />
m*f"Y"B.1I =euMOs <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
.X](B~\! </ItemTemplate>
Qt+i0xd </asp:TemplateColumn>
b2 5.CGF \Aq$h:< <asp:TemplateColumn HeaderText="单价">
49iqrP' <ItemTemplate>
E3"j7y[S <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
][TA7pDPV onkeyup="javascript:DoCal()"
+
\jn$>E />
vXLGdv:: Mc@_[q!xY? <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
vBLs88
/Y#Q<=X </ItemTemplate>
`37%|e 3bQ </asp:TemplateColumn>
B{hV|2 4o69t <asp:TemplateColumn HeaderText="金额">
]]^r)&pox <ItemTemplate>
R}E$SmFg <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
&y&pjo6v1 </ItemTemplate>
Tf{lH9ca$ </asp:TemplateColumn><script language="javascript">
5I>a|I!j function DoCal()
LFX[v {
f!K{f[aDa var e = event.srcElement;
9cXL4 var row = e.parentNode.parentNode;
UpSa7F:Uw var txts = row.all.tags("INPUT");
'Y22HVUX if (!txts.length || txts.length < 3)
[R(d Cq> return;
dh-?_|" lKBI3oYn var q = txts[txts.length-3].value;
q5G`N>"V var p = txts[txts.length-2].value;
Y1-=H)G W1
\dGskV if (isNaN(q) || isNaN(p))
m`9P5[m#x> return;
.$U=ngj\t Sah!|9 q = parseInt(q);
m}32ovpw p = parseFloat(p);
P/,ezVb= FG5YZrONx txts[txts.length-1].value = (q * p).toFixed(2);
oEJxey]B7 }
O^DLp/vM </script>
|<2<`3 J;S Z"I' t3<HE_B| kk$D:UQX )u=46EU_ 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&o~U] rm page_load
d04fj/B
page.smartNavigation=true
UWW'[gEP1 ;-quK%VO! 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\S'HNU private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
#Fckev4 {
_5/3RN
for(int i=0;i<e.Item.Cells.Count-1;i++)
jP31K{G? if(e.Item.ItemType==ListItemType.EditType)
MZ:Ty,pw:O {
,8)aKy e.Item.Cells.Attributes.Add("Width", "80px")
lFV\Go }
Sd *7jW? }
*(o^w'5 TeHxqWx 26.对话框
4hWFgk private static string ScriptBegin = "<script language=\"JavaScript\">";
Exz(t' private static string ScriptEnd = "</script>";
"P!zu(h4 ekCt1^5Y public static void ConfirmMessageBox(string PageTarget,string Content)
&\W5|*`x- {
gJg%3K~, string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
$xK(bc'{ , GMuq_H ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
49Hgq/uO p]Q(Z Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
*qKf!& ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
=zRjb> //Response.Write(strScript);
q@d6P~[-gj }
:MILOwF 6.M!WK{+ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
ch)#NHZ9F DcsQ 6 1.1 取当前年月日时分秒
B&sa|'0U currentTime=System.DateTime.Now;
9=9R"X>L LDbo=w 1.2 取当前年
-c
p)aH) int 年= DateTime.Now.Year;
yJ2A!id ,ik\MSS 1.3 取当前月
s@K #M int 月= DateTime.Now.Month;
RJE<1!{ [(iJj3s! 1.4 取当前日
jTN!\RH9NF int 日= DateTime.Now.Day;
Z9UNp[0 66'AaA;0^i 1.5 取当前时
IRbZ ;*3dO int 时= DateTime.Now.Hour;
7,ffY/ *]e9/f 1.6 取当前分
(P 9$Ei0fv int 分= DateTime.Now.Minute;
TB#oauJm, p;rT#R&6> 1.7 取当前秒
EoOwu-{ int 秒= DateTime.Now.Second;
;|.IUXEgcF yG:Pg MrB 1.8 取当前毫秒
"FXT8Qxg int 毫秒= DateTime.Now.Millisecond;
'_%`0p1 =%0r_#F%= 28.自定义分页代码:
ePY69!pO5e ol@LLT_m 先定义变量 :
TN.&FDqC9 public static int pageCount; //总页面数
N=;VS- public static int curPageIndex=1; //当前页面
N Bpf iYz!:TxP 下一页:
p}
i5z_tS if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
O^4Ko} {
)5l9!1j DataGrid1.CurrentPageIndex += 1;
QO3QR/Ww curPageIndex+=1;
+\~Mx>Cn }
+$D~?sk f/]g@/` bind(); // DataGrid1数据绑定函数
+"D*0gYD sRSy++FRF 上一页:
*_tJ ; if(DataGrid1.CurrentPageIndex >0)
k1_3\JO"6 {
#3((f[ DataGrid1.CurrentPageIndex += 1;
u|8yV.=R curPageIndex-=1;
(Q6}N'T }
LE@`TPg$R QiQO>r bind(); // DataGrid1数据绑定函数
av}pT)]\
]y<<zQ_fhY 直接页面跳转:
zP#%ya:I int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
1}jwv_0lL &g5+ |g ( if(a<DataGrid1.PageCount)
y%xn(Bn {
dS"%( ?o this.DataGrid1.CurrentPageIndex=a;
ntEf-x< }
UU2=W 5E}~iC& bind();
a*nx2d (ZHEPN 29.DataGrid使用:
?o.Q qy: 添加删除确认:
~U_,z)<`)c private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Qh@A7N/L {
e X q}0-*f foreach(DataGridItem di in this.DataGrid1.Items)
kV3Zt@+ {
?#_] Lzn' if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
B!+`km5 {
3bPF+(`J ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
$_NP4V8|z/ }
< e7 }
[";<YR7iRN }
J;cTEB V-%Am 样式交替:
gTwxmp., ListItemType itemType = e.Item.ItemType;
{h *Pkn1 m\?H
<o0 if (itemType == ListItemType.Item )
Jp]eFaqp {
7cMSJM(]G e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
PK|"+I0 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Ae 3:" }
({#M*=&" else if( itemType == ListItemType.AlternatingItem)
H}B%OFI \+ {
<X1^w e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
"=9kX`(1 y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
tN:PWj5 }
q(I`g;MF V+2C!)f( 添加一个编号列:
9`p|>d!. DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
dSm; e_s DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
ULIpb ESt@%7.F for(int i=0;i<dt.Rows.Count;i++)
V_Oj?MMpn {
>g FEA0- dt.Rows["number"]=(i+1).ToString();
=g+Rk+ jn }
+>wBGVvS Yx{q VU DataGrid1.DataSource=dt;
(5(TbyWwD DataGrid1.DataBind();
9akIu.H _r&,n\
T DataGrid1中添加一个CheckBox,页面中添加一个全选框
'lD"{^ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
L\Y4$e9bF8 {
;}k9YlQrN foreach(DataGridItem thisitem in DataGrid1.Items)
8Mf{6&F= {
HRxA0y= ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
YB1uudW9 }
R:t>PFwo }
}{.0mu9 a2'f#[as 将当前页面中DataGrid1显示的数据全部删除
b
qNM foreach(DataGridItem thisitem in DataGrid1.Items)
;5 JzrbtL {
7r4|>F if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
oe{K0.` {
nVt,= ?_ U string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
U4*Q;A# Del (strloginid); //删除函数
^*=.Vuqy }
08TeGUjJ }
QFtf.")[.
mWPA]g( 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)
l@OY8z-_ wfXm(RYM 在Application_Start中添加以下代码:
nW*D Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
E 'O[E= AppSettings["ConnStr"].ToString();
zZax![Z t+?m<h6w;l 31. 变量.ToString()
7A mnxFC F$k^px 字符型转换 转为字符串
q/lQEfR 12345.ToString("n"); //生成 12,345.00
?' :v):J} 12345.ToString("C"); //生成 ¥12,345.00
awic9uMH 12345.ToString("e"); //生成 1.234500e+004
BQ7p<{G 12345.ToString("f4"); //生成 12345.0000
H]x-s 12345.ToString("x"); //生成 3039 (16进制)
/$ : w8 12345.ToString("p"); //生成 1,234,500.00%
=
olmBXn/ yxx'g+D* 32、变量.Substring(参数1,参数2);
GF=rGn@,)` B3V; 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);
HDY2<Hzc hmQ;!9 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)
L
H8iHB <SCRIPT language="javascript">
;0c
-+, <!--
[,)G\ function gook(pws)
V|n}v?f_q {
?8GggJC frm.submit();
p&nPzZQL( }
;"K;D@xzh] //-->
Fb0r(vQ^ /5$;W'I </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
/)<x<7FKW <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
ym=7EY?o <tr>
Y%1 94fY$ <td>
-0>gq$/N=^ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
+338z<'Z! <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
4{rqGC/ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
!F|#TETrt $%P?2g"j, <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
1R+/T <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
FP_q?=~rFs qLYz-P'ik </td>
dz>2/' _/>JM0 </tr>
#{DX*;1m j*'+f~A </form>
<(c_[o/ _* m<Z;Et 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
l3O!{&~K <1%(%KdN[ 下面是获取用户输入的登陆信息的代码:
Z.l4< string name;
S<Os\/* name=Request.QueryString["EmailName"];
w$##GM=Tq A 6IrA/b try
bQlv b {
LN0pC}F int a=name.IndexOf("@",0,name.Length);
/L yoTBG f_user.Value=name.Substring(0,a);
BtA_1RO f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Rl/5eE8 f_pass.Value=Request.QueryString["Psw"];
)p^" J| }
tg%#W` 2t,N9@u=UN catch
J{!U;r!6 {
|Fi{]9(G2 Script.Alert("错误的邮箱!");
6|G&d>G$_ Server.Transfer("index.aspx");
<%iRa$i5 }