1. 打开新的窗口并传送参数:
-W! g>^. js;IUSj. 传送参数:
g0g/<Tv[ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
@{+*ea7M(` wKk 接收参数:
5Tn4iyg;B string a = Request.QueryString("id");
j|lg&kN string b = Request.QueryString("id1");
k^R>x V
rp=?4^(u 2.为按钮添加对话框
oJ6
d: Button1.Attributes.Add("onclick","return confirm(’确认?’)");
{[r'+=}l\S button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
JC>}(yQA [USXNe/
3.删除表格选定记录
e=8ccj int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
sUj#:X string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
[jAhw> #Sn&Wo 4.删除表格记录警告
gMHH3^\VH) private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
tG%R_$* {
<9@VY switch(e.Item.ItemType)
$?*+P`` {
>z[d~ case ListItemType.Item :
fF-V=Zf5 case ListItemType.AlternatingItem :
v]!|\] case ListItemType.EditItem:
v7&$(HJ>]L TableCell myTableCell;
!Y\hF|[z myTableCell = e.Item.Cells[14];
Ir0er~f+z LinkButton myDeleteButton ;
f3v/Y5) myDeleteButton = (LinkButton)myTableCell.Controls[0];
2{U4wTu myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
ghms-.:b8 break;
$1Xg[>1g5 default:
SxOM@A break;
i"_f46rP }
#jDO?Y Sa |/p^e }
!knYD}Rxd YVs{\1|' 5.点击表格行链接另一页
*&5G+d2 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Z.h`yRhO {
jkD5Z`D //点击表格打开
!r[uwJ= if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
r*tGT_/6 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
xX|-5cM; }
$"_D"/* VF[]E0=u6 双击表格连接到另一页
ryPz?Aw(4 _oLK"*
[# 在itemDataBind事件中
=)y=M!T2 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+'lfW{E1t {
3J:!8Gmk string OrderItemID =e.item.cells[1].Text;
$(_i>&d< ...
;xry e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
!hJKI.XH }
Ad`;O+/; 43P?f+IYrk 双击表格打开新一页
e|{6^g<ru if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
7v=Nh {
Hi|Oeu string OrderItemID =e.item.cells[1].Text;
UY|nB hL ...
`FmI?:Cv e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
?=
ulfGrY }
? 8'4~1g`} %tpt+N? ★特别注意:【?id=】 处不能为 【?id =】
vU~#6sl 6.表格超连接列传递参数
w"aD"}3 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
JEBx|U$'Y <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
2^Y1S?g. thUs%F.5? 7.表格点击改变颜色
lRentNg0b if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
#n0P'@d,r {
*t*yozN e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
$XaZqzeVI this.style.color=’buttontext’;this.style.cursor=’default’;");
k^ID }
LqU]&AAh 9C`Fd S 写在DataGrid的_ItemDataBound里
JQ0KXS Nr if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
&)`A4bf% {
\1|T e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
*6=[Hmygi this.style.color=’buttontext’;this.style.cursor=’default’;");
^i@t OtS e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
{{giSW' }
oIf-s[uH UWmWouA K b{ 8.关于日期格式
DJ=miJI' 0oM~e 日期格式设定
bJGT^N@ DataFormatString="{0:yyyy-MM-dd}"
g.&&=T MiS$Y 我觉得应该在itembound事件中
#d__ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
syV&Ds) VNA VdP 9.获取错误信息并到指定页面
pdmeB
nq A>
}A
不要使用Response.Redirect,而应该使用Server.Transfer
lq+FH&
xS*f{5Hr8 e.g
!3d+"tL
S // in global.asax
|W{z,e01x protected void Application_Error(Object sender, EventArgs e) {
m#DC;(Pn if (Server.GetLastError() is HttpUnhandledException)
eWcS>N Server.Transfer("MyErrorPage.aspx");
p Sc<3OI o;-)84Aa //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Nluy]h
& }
V,{ydxfB S'2B 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
0xZq?9a m
{wMzsQ 10.清空Cookie
>qCUs3}C{* Cookie.Expires=[DateTime];
ZZ?=^g Response.Cookies("UserName").Expires = 0
jjEkz 5 [%z~0\lu8 11.自定义异常处理
1JJQ(b //自定义异常处理类
)7O4j}B){ using System;
~Ui<y=d using System.Diagnostics;
EKq9m=Ua@o ,Q >u
N namespace MyAppException
d%5QEVV {
="<+^$7:k /// <summary>
g:O~1jq /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Rr(,i%fu /// 自动将异常内容记录到Windows NT/2000的应用程序日志
H2|& /// </summary>
$w#C;2k]N public class AppException:System.ApplicationException
Y }Rx`%X {
F;5.nKo public AppException()
jsfyNl?6 {
|oC&;A if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
0KU,M+_ }
C] \r~f *A;~~SQ public AppException(string message)
\oLRNr[F {
pZ%/;sxYa LogEvent(message);
fQ'P2$ }
vw>O;u.]B 3m public AppException(string message,Exception innerException)
0;} 9XZ {
UYD(++ LogEvent(message);
)9{?C4NQ if (innerException != null)
T/dchWG {
%AXa(C\1 LogEvent(innerException.Message);
B&+V %~/
}
9)3ok#pQ/ }
4:y;<8+j\ 8s6[?=nM //日志记录类
tB8XnO_c using System;
Fpzps!(;= using System.Configuration;
:p%nQF,*f using System.Diagnostics;
4\Mh2z5 using System.IO;
CJ%bBL'. using System.Text;
i/NY86A using System.Threading;
QjVP]C}p L'`W5B@ namespace MyEventLog
VSc;}LH {
A d=NJhzl /// <summary>
=X2 Ieb /// 事件日志记录类,提供事件日志记录支持
?9i
7w1` /// <remarks>
M#IGq /// 定义了4个日志记录方法 (error, warning, info, trace)
gmJiKuAL5 /// </remarks>
ICTl{|i ] /// </summary>
j$4Tot public class ApplicationLog
.fk!~8b[Q+ {
&D\~-fOGb /// <summary>
vA10'Gx' /// 将错误信息记录到Win2000/NT事件日志中
w3a`G| /// <param name="message">需要记录的文本信息</param>
Ps4spy0Fp /// </summary>
5#!pwjt~7 public static void WriteError(String message)
~raRIh= {
vClD)Ar WriteLog(TraceLevel.Error, message);
CD:@OI }
_8)9I?jH ]6v6&YV /// <summary>
s_yY,Z: /// 将警告信息记录到Win2000/NT事件日志中
w4<RV:Vmt /// <param name="message">需要记录的文本信息</param>
l'fUa /// </summary>
DI'wZySS^ public static void WriteWarning(String message)
O%AQ'[' {
BI?M/pIm WriteLog(TraceLevel.Warning, message);
wLAGe'GX }
3(Kj|u =5a~xlBjD /// <summary>
2_6x2Ia4 /// 将提示信息记录到Win2000/NT事件日志中
.h-:)e* /// <param name="message">需要记录的文本信息</param>
Edj}\e*-J /// </summary>
H,9e<x#own public static void WriteInfo(String message)
]xBQ7Xqf| {
}Y~o =3- WriteLog(TraceLevel.Info, message);
c!AGKc }
o
/AEp)8 /// <summary>
y&")7y/uE /// 将跟踪信息记录到Win2000/NT事件日志中
#>g]CRN /// <param name="message">需要记录的文本信息</param>
u~=>$oT't /// </summary>
Y-hGHnh]' public static void WriteTrace(String message)
&ok2Xw {
#uVH~P5TM WriteLog(TraceLevel.Verbose, message);
js/N qf2> }
nyD(G=Q5 X3
D(2W /// <summary>
W6_/FkO /// 格式化记录到事件日志的文本信息格式
7 [N1Vr(1 /// <param name="ex">需要格式化的异常对象</param>
_[zO?Div[ /// <param name="catchInfo">异常信息标题字符串.</param>
y)X1!3~( /// <retvalue>
Ho9 a#9 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
S-Mn /// </retvalue>
>y#<WB$i /// </summary>
T},Nqt< public static String FormatException(Exception ex, String catchInfo)
fFudoIC {
USy^Y?~; StringBuilder strBuilder = new StringBuilder();
,Ua`BWF if (catchInfo != String.Empty)
6cQh8_/>{# {
2uu"0Rm% strBuilder.Append(catchInfo).Append("\r\n");
*6=2UJcJ }
U@yn%k9 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
i9+(gX(t return strBuilder.ToString();
_PZGns,u }
Xn^gxOPM BR*,E~% /// <summary>
@eu4W^W /// 实际事件日志写入方法
gBGUGjVj /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
.I_Mmaq;i /// <param name="messageText">要记录的文本.</param>
8%q:lI /// </summary>
A
J<Sa= private static void WriteLog(TraceLevel level, String messageText)
U0G( {
E
Mq P try
D&KRJQ/ {
+ pTc2z EventLogEntryType LogEntryType;
#e:cB' f switch (level)
tJ`tXO {
S) ZcH case TraceLevel.Error:
ZT;$aNy LogEntryType = EventLogEntryType.Error;
p(o"K@I break;
ZqH.$nXP case TraceLevel.Warning:
J3`a}LyDf LogEntryType = EventLogEntryType.Warning;
Hy}oSy26 break;
9cQZ`Ex case TraceLevel.Info:
BnJpC<xm LogEntryType = EventLogEntryType.Information;
8>Az<EF^=# break;
91'i7&~xdG case TraceLevel.Verbose:
Bc{j0Su LogEntryType = EventLogEntryType.SuccessAudit;
C],"va break;
EY'kIVk default:
eU/o I} A LogEntryType = EventLogEntryType.SuccessAudit;
&/o4R:i break;
t&m8 V$Q }
5DB4 vh ((OQs. EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
IqEE.XhaK //写入事件日志
.yK~FzLs eventLog.WriteEntry(messageText, LogEntryType);
Z',Z7QW7 K[{hh;7 }
o%Ubn* catch {} //忽略任何异常
ePF)wl;m }
cP8g.+ } //class ApplicationLog
jUnS&1]MF }
V
,#
|\ o_=t9\: 12.Panel 横向滚动,纵向自动扩展
ol^uM .k%_ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
V\Q=EsHj
)T2V<3l 13.回车转换成Tab
$wnK"k%G <script language="javascript" for="document" event="onkeydown">
Vz4/u|gt if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
yE+Wb[H[ event.keyCode=9;
OGA_3|[S </script>
w~+C.4=7 !Q/oj
Q onkeydown="if(event.keyCode==13) event.keyCode=9"
.5?e)o) 4\?z^^ 14.DataGrid超级连接列
VPC7Dh%. DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
,#/%Fn%T w?;j5[j 15.DataGrid行随鼠标变色
Z+8Q{|Ev private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Dt#( fuk# {
!!KA9mP if (e.Item.ItemType!=ListItemType.Header)
V=
wWY*C {
`#g62wb,HY e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
./7*<W: e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
u)X]]6YJ }
4DwQ7KX }
-!bfxbP ?R!?}7 16.模板列
T<a/GE/
<ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
.
.5s2 <ITEMTEMPLATE>
]cmq <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
2%{(BT6 </ITEMTEMPLATE>
`<#Ufi*c </ASP:TEMPLATECOLUMN>
NsJ]Tp5! +sY8<y@% <ASP:TEMPLATECOLUMN headertext="选中">
l b9O <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
O-3R#sZ0 <ITEMTEMPLATE>
q2{Aq[ <ASP:CHECKBOX id="chkExport" runat="server" />
O)FkpZc@9c </ITEMTEMPLATE>
f,(@K% <EDITITEMTEMPLATE>
.wpp)M.w;H <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
&_1x-@oI2: </EDITITEMTEMPLATE>
ABIQi[A </ASP:TEMPLATECOLUMN>
Y2!P!u+Q A[hvT\X 后台代码
Ny" "lcy protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
^[=1J {
p=T6Ix'_2e //改变列的选定,实现全选或全不选。
LLV1W0VO=P CheckBox chkExport ;
Io*mFa? if( CheckAll.Checked)
v(GT+i)| {
Qd"R@+i foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
cT.8&EEW {
gw^X - chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
C"cBlru8B chkExport.Checked = true;
U|jip1\ }
+ab#2~,) }
']^_W0?= else
'-2|GX_o {
hmES@^n!_ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
jQX9KwSP {
SrT=XX, chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=rzhaU'A' chkExport.Checked = false;
m^%Xl@V:c- }
q+1SU6x'm }
+*=?0 \ }
J PmZ%]wA 7: .bqRu 17.数字格式化
b l]YPx8 ;yDXo\gm 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
<,+6:NmT <%#Container.DataItem("price","{0:¥#,##0.00}")%>
F m$;p6&j 'U{6LSaCb int i=123456;
g6!#n string s=i.ToString("###,###.00");
12 S[m~L% Mw{skK>b 18.日期格式化
-FW'i10\2+ q,fk@GI'2 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
1IeB_t n||!/u)* 显示为: 2004-8-11 19:44:28
3@^b's'S|} $-R9J6NN 我只想要:2004-8-11 】
-^<`v{}Dn <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
*h Bo,
Z<~^(W7h 应该如何改?
5c+7c@. JrVBd hLr 【格式化日期】
h|
]BA}D o](nK5? 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Tx0l^(n 'P,F)*kh 【日期的验证表达式】
_.ELN/$- Bl8&g]dk A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
(??|\
&DTi ^((\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})))?$
_=oNQ PdD|3B& B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
`<kV)d%xEF ^\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]))$
*|Fl&`2 wfc[B;K\ 【大小写转换】
Y'S9
HttpUtility.HtmlEncode(string);
rXR}]|;> HttpUtility.HtmlDecode(string)
tf@x} %D:5 S?{ 19.如何设定全局变量
t?j2Rw3f`I @5-+>\Hd^t Global.asax中
ds9`AiCW> N~A#itmdx Application_Start()事件中
Y)X58_En .5m^)hi 添加Application[属性名] = xxx;
lt&30nf= AFcA5:ja 就是你的全局变量
wOp# mT pY9>z;qD 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
,As78^E{ ,`JXBI~ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
4';]fmf@[i 2)^[SpZ 【ASPNETMENU】点击菜单项弹出新窗口
XU#nqvS` . uPpRzp 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
{l7@<xZ??M <?xml version="1.0" encoding="GB2312"?>
;,h*s,i <MenuData ImagesBaseURL="images/">
fV.43E <MenuGroup>
= *A_{u;E <MenuItem Label="内参信息" URL="Infomation.aspx" >
K,IPVjS <MenuGroup ID="BBC">
'#.:%4 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
O:a$ U:
<MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
#:68}f"$ ......
ku'%+svD | We @p 最好将你的aspnetmenu升级到1.2版
^IGTGY]s XfxNyZsy&> 21.读取DataGrid控件TextBox值
'Sc3~lm(dH foreach(DataGrid dgi in yourDataGrid.Items)
B!le=V,@, {
8[FC TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
ZX.VzZS tb.Text....
}#
-N7=h }
NG_O I*|~ QLH
s 3eM 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?
fXw%2wg A?;/]m; 〖思归〗
ryx<^q <asp:TemplateColumn HeaderText="数量">
o\Hg2^YY> <ItemTemplate>
|l ~BdP <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
,oP-:q!PC onkeyup="javascript:DoCal()"
y Ht63z8' />
`>8| -JZl?hY( <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
nwN<Q\]S </ItemTemplate>
z6G^ BaT' </asp:TemplateColumn>
Sjr(e}* TL7-uH <asp:TemplateColumn HeaderText="单价">
.(S,dG0P <ItemTemplate>
de1& <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
s !8]CV> onkeyup="javascript:DoCal()"
>uOc#+5M. />
8d)F# p]+W1 v}V! <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
lGLZIp Ky nZzR </ItemTemplate>
)X^nzhZ2O" </asp:TemplateColumn>
TTE#7\K~B +Kq>r|; <asp:TemplateColumn HeaderText="金额">
nLtP^
1~9H <ItemTemplate>
;#~
!`>n? <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
m'qMcCE </ItemTemplate>
N%B#f\N </asp:TemplateColumn><script language="javascript">
uEi!P2zN
function DoCal()
>uuX<\cW {
KFV]2mFN var e = event.srcElement;
&6\rKOsn var row = e.parentNode.parentNode;
CYrL|{M] var txts = row.all.tags("INPUT");
`z=MI66Nl if (!txts.length || txts.length < 3)
Xj/X. return;
huTJ
a2 7>ODaj
var q = txts[txts.length-3].value;
Pdn.c1[-a var p = txts[txts.length-2].value;
;OKQP~^iH2 T]vD ,I+ if (isNaN(q) || isNaN(p))
"7<4NV@yQ return;
!X.N$0 S$H4xkKs q = parseInt(q);
f(_qcgXp p = parseFloat(p);
O.$<Bf9
Z9sg6M@s txts[txts.length-1].value = (q * p).toFixed(2);
#* Hhe> }
[MEa@D<7N </script>
LTY.i3
9/%|#b-z & aLR'*]6 u3ZG;ykM eQLa .0 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
^4fkZh page_load
|-|BM'Y page.smartNavigation=true
?eO|s5r an7N<-? 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
aH$~':[93 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
?SAi tQ3 {
)5t_tPv for(int i=0;i<e.Item.Cells.Count-1;i++)
p&\uF#I;
if(e.Item.ItemType==ListItemType.EditType)
@<PL {
+\ySx^vi e.Item.Cells.Attributes.Add("Width", "80px")
-?(RoWv@X& }
Z
kS*CG }
TXa XJIp bk?\=4B:E 26.对话框
J91`wA&r private static string ScriptBegin = "<script language=\"JavaScript\">";
g\.N>P@Bu private static string ScriptEnd = "</script>";
QXz!1o+" meL'toaJdQ public static void ConfirmMessageBox(string PageTarget,string Content)
O92Y d$S {
b?$09,{0 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
}cT}G;L'- cm3Y!p{p" ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
_"bx#B* Jc)1} Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
%FU[j^ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
h$&XQq0T //Response.Write(strScript);
=FbfV*K9 }
Y'5ck( p(G? 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
8zCAy@u #r:`bQ0; 1.1 取当前年月日时分秒
|- fx
0y currentTime=System.DateTime.Now;
~c^-DAgB *LRGfk+h 1.2 取当前年
$-RhCnE int 年= DateTime.Now.Year;
6{
Nbe= @_Zx'mTI 1.3 取当前月
B<LavX>F int 月= DateTime.Now.Month;
0Nu]N)H5<l fq|2E&&v 1.4 取当前日
n@Ag`} int 日= DateTime.Now.Day;
N:: ;J +joE 1.5 取当前时
A 5 X+Z int 时= DateTime.Now.Hour;
pJz8e&wyLM u-_$?'l;~ 1.6 取当前分
O[y`'z;C int 分= DateTime.Now.Minute;
}dUC^04 uKy *N*} 1.7 取当前秒
O+?zn: int 秒= DateTime.Now.Second;
/09=Tyy/\ @<G/H|f 1.8 取当前毫秒
$k ma#7 int 毫秒= DateTime.Now.Millisecond;
$:[BB,$ !yX<v%>_0 28.自定义分页代码:
}i&dZTBGW )6&\WNL-x 先定义变量 :
iyYY)roB public static int pageCount; //总页面数
V(u2{4gZ public static int curPageIndex=1; //当前页面
Y:%)cUxA b@/ON}gX 下一页:
eC?/l*gF3 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
]7kGHIJ| {
Q!X_&ao)O DataGrid1.CurrentPageIndex += 1;
\GvY`kt3 curPageIndex+=1;
!rg0U<bO! }
;j U-< #0g#W bind(); // DataGrid1数据绑定函数
{(}w4.! u)`|q_y+8 上一页:
g[au-.: if(DataGrid1.CurrentPageIndex >0)
Kxc$wN< {
R+K&<Rz DataGrid1.CurrentPageIndex += 1;
f WjS) curPageIndex-=1;
K#UA M. }
l5';?>!s J(0 =~Z[ bind(); // DataGrid1数据绑定函数
~,!hE&LE~ ./nYXREO| 直接页面跳转:
o|qeh<2=x int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
ZqbM%(=z(` A
Ok7G?Y if(a<DataGrid1.PageCount)
RO$@>vL {
"gN* J)!x this.DataGrid1.CurrentPageIndex=a;
7lDaok }
/-{O\7-D [wio/wc bind();
vg:J#M: _c9
WWp? 29.DataGrid使用:
*K jVPs _"!{7e`Z 添加删除确认:
Fm$n@RbX private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
I"Q9W|J_& {
$qlqWy-s foreach(DataGridItem di in this.DataGrid1.Items)
fteyG$-s {
;;y@z[ > if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
eW"x%|/Q7 {
h"BhTx7E} ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
{7TJgS }
ZU|V+yT }
8g#
Y }
mU?&\w=v$ 7:VEM;[d 样式交替:
D)*_{
ListItemType itemType = e.Item.ItemType;
\9>g;qPg} U|
41u4)D if (itemType == ListItemType.Item )
1(:b{Bl {
]m/@wW9 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
3)C6OF>7
e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
lk*0c{_L }
7dufY
} } else if( itemType == ListItemType.AlternatingItem)
[al(>Wr9 {
np`gcj# e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
c<+g|@A# e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
P,$[|)[E }
~51kiQW u,Q_WR-wJ 添加一个编号列:
2\nBqCxR DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
(b`4&sQ< DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
++T
"+p H;TOPtt2 for(int i=0;i<dt.Rows.Count;i++)
SgCqxFii {
?b*/ddIs dt.Rows["number"]=(i+1).ToString();
1*! c
X }
jlRl2 #" uS:
A4tN DataGrid1.DataSource=dt;
Q
QsVIHA DataGrid1.DataBind();
.^[fG59 80FCe(U DataGrid1中添加一个CheckBox,页面中添加一个全选框
:Bx+WW&P.i private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
d{iu+=NXz {
36kc4= foreach(DataGridItem thisitem in DataGrid1.Items)
LT,iS)dY+ {
eHVdZ'%x ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
3t"~F%4-} }
m6bWmGnGC }
2cs?("8e% ?VMi!-POE 将当前页面中DataGrid1显示的数据全部删除
Eonq'Re$ foreach(DataGridItem thisitem in DataGrid1.Items)
di]$dl|Wi {
%gV)arwK if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
W\I$`gyC/ {
`YFkY^T string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
]6a/0rg:t Del (strloginid); //删除函数
aNOAu/ }
a-T*'F }
!7:EE,W~ '`M#UuU 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)
cwH,l$ ?dp-}3/G 在Application_Start中添加以下代码:
|QnUK5D$ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
g)=V#Bglv AppSettings["ConnStr"].ToString();
hrJ$%U
;el]LnV!O 31. 变量.ToString()
6obQ9L c KW&nDu