1. 打开新的窗口并传送参数:
)X^nzhZ2O" #zy,x 传送参数:
*qb`wg response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Op%^dwVG(v u khI#:[ 接收参数:
1C$^S]v%a string a = Request.QueryString("id");
D}"GrY5 string b = Request.QueryString("id1");
>; W)tc, Y,(eu*Za 2.为按钮添加对话框
DR0W)K
^ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
<O>Q;}>gfc button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
TVFGonVY %okEN!= 3.删除表格选定记录
Pm?6]] 7 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
,+X8?9v string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
c~RIl5j >M1/m=a 4.删除表格记录警告
II<<-Y6 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
fRa1m?%s {
p[uwG31IL` switch(e.Item.ItemType)
3mJHk<m8T {
]owH [wvX case ListItemType.Item :
A:NY:#uC case ListItemType.AlternatingItem :
56bB~=c case ListItemType.EditItem:
WJ.PPq>]F TableCell myTableCell;
F'#3wCzt myTableCell = e.Item.Cells[14];
. t3@86xTJ LinkButton myDeleteButton ;
2#!$f_ myDeleteButton = (LinkButton)myTableCell.Controls[0];
ADBw" ? > myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
+bO{UC[ break;
8Peqm?{5Y5 default:
bm+ Mr break;
DSjo%Brd- }
q$t& *O_ 0Hz3nd?v }
GS{9MGl *TXq/
3g 5.点击表格行链接另一页
R*[ACpxr private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Zka;}UL&Q {
g]ihwm~ //点击表格打开
,5\n%J: if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
gEe}xI e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
}%1E9u }
%d7iQZb> ZbGyl}8ua 双击表格连接到另一页
isd[l-wAmf LTY.i3
在itemDataBind事件中
FCe503qND$ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
x9ws@=[: {
ZE\t{s0 string OrderItemID =e.item.cells[1].Text;
_N]yI0k( ...
n)=&=Uj`f e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
\ D[BRE+ }
vB
Jva8;Q QAJ>93 双击表格打开新一页
@KpzxcEoO if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
7uDUZdJy {
T#BOrT>V string OrderItemID =e.item.cells[1].Text;
@!MbPS ...
foFn`?LF e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
X%-4x }
wd]Yjr#%Ii soohyK8 ★特别注意:【?id=】 处不能为 【?id =】
<7&b|f$CL 6.表格超连接列传递参数
k@Tt,.]; <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
cnc$^[c <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
0PfFli`2; @<PL 7.表格点击改变颜色
4Oy
c D if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|s^ar8)=) {
vLke,MKW e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
s=nds"J this.style.color=’buttontext’;this.style.cursor=’default’;");
kp$ILZ }
#X8[g _d/ ?~K2&eo 写在DataGrid的_ItemDataBound里
P:=ADW c if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
B';Ob {
'I~dJEW7 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
%q Q(@TG this.style.color=’buttontext’;this.style.cursor=’default’;");
5R Hs e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
}Q=Zqlvz }
f
LW>-O73 Vg+SXq6G ZJpI]^9| 8.关于日期格式
lV
9q;!/1 |<V{$),k 日期格式设定
9mnON~j5 DataFormatString="{0:yyyy-MM-dd}"
|l|]Tw xH0/R LK3J 我觉得应该在itembound事件中
xki"' e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
FX^E | NLpD,q{ 9.获取错误信息并到指定页面
G#V22Wca8 >H1d9y+Z 不要使用Response.Redirect,而应该使用Server.Transfer
s`B'vyoaa kMo)4Xp e.g
dF,FH- // in global.asax
5^dw!^d protected void Application_Error(Object sender, EventArgs e) {
C;5}/J^E if (Server.GetLastError() is HttpUnhandledException)
1fy{@j(W Server.Transfer("MyErrorPage.aspx");
UE4#j\ pUr[MnQLf //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
7" [;M }
LZVO9e] x\DkS,O 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
' 7A7HDJ 0o]K6b 10.清空Cookie
>+#[O" Cookie.Expires=[DateTime];
JW\"S Response.Cookies("UserName").Expires = 0
,2`d3u^CW {5udol5? 11.自定义异常处理
W24bO|>D //自定义异常处理类
~roHnJ> using System;
6&Dvp1`m using System.Diagnostics;
z!+<m< a}K+w7VY\ namespace MyAppException
r2th6hl~ {
Lk9>7xY /// <summary>
b{rmxtx /// 从系统异常类ApplicationException继承的应用程序异常处理类。
RtL<hD /// 自动将异常内容记录到Windows NT/2000的应用程序日志
^ztf:'l@C /// </summary>
4.'EEuRw\} public class AppException:System.ApplicationException
+ LwoBn>6 {
D$cMPFa2Nt public AppException()
oc(bcU {
rd))H if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
WGmCQE[/c }
o zYI/b^ Pb,^UFa= public AppException(string message)
>{S $0D {
=oME~oB~ LogEvent(message);
i[pf*W0g }
/aqN` )ta5y7np
public AppException(string message,Exception innerException)
6dL>Rzl$Dk {
ry
?2 o! LogEvent(message);
@:&+wq_>A^ if (innerException != null)
cPcV[6)5K9 {
C=IH#E= LogEvent(innerException.Message);
S nHAY< }
m_2P{ }
M9#QS`G /09=Tyy/\ //日志记录类
[,^dM:E/ using System;
(weokP! using System.Configuration;
F9\Ot^~ using System.Diagnostics;
\z9?rvT: using System.IO;
X{}#hyYk" using System.Text;
4E>(Y98 using System.Threading;
_,FoXf7 ~8(X@~Tn* namespace MyEventLog
nY9qYFw {
k~f+L O /// <summary>
+{%(_< /// 事件日志记录类,提供事件日志记录支持
\bic.0- /// <remarks>
Wp}9%Mq~Jy /// 定义了4个日志记录方法 (error, warning, info, trace)
:XSc#H4 /// </remarks>
RRqMwy>% /// </summary>
ib\[ ~rg public class ApplicationLog
rfRo*u2" {
N[bN"'U/1 /// <summary>
eC?/l*gF3 /// 将错误信息记录到Win2000/NT事件日志中
&ZN'Ey? /// <param name="message">需要记录的文本信息</param>
0:'jU /// </summary>
/K) b0QX public static void WriteError(String message)
yZp:hs# {
nnL$m_K~ WriteLog(TraceLevel.Error, message);
oks=|'& }
Qz+d[%Q}x 9*;isMkq< /// <summary>
;j U-< /// 将警告信息记录到Win2000/NT事件日志中
-]\E}Ti /// <param name="message">需要记录的文本信息</param>
3:joSQa /// </summary>
M/a/H=J public static void WriteWarning(String message)
C;q}3c*L {
u)`|q_y+8 WriteLog(TraceLevel.Warning, message);
:{:?D\%6 }
d._gH#&v Q
*]`t@q /// <summary>
^HFU@/ /// 将提示信息记录到Win2000/NT事件日志中
2ZbY|8X$r /// <param name="message">需要记录的文本信息</param>
9c{%m4 /// </summary>
; axaZV public static void WriteInfo(String message)
K#UA M. {
-`dxx)x WriteLog(TraceLevel.Info, message);
ZBR^[OXO }
3>9 dJx4I /// <summary>
#IaBl?}r^ /// 将跟踪信息记录到Win2000/NT事件日志中
~,!hE&LE~ /// <param name="message">需要记录的文本信息</param>
yp{F8V 8 /// </summary>
UD<^r]'x public static void WriteTrace(String message)
|M<.O~|D6} {
h:jI WriteLog(TraceLevel.Verbose, message);
ZqbM%(=z(` }
1mn$Rh&dO `s83rhs`! /// <summary>
d =(Yl r /// 格式化记录到事件日志的文本信息格式
$^=jPk]+ /// <param name="ex">需要格式化的异常对象</param>
RA/ =w& /// <param name="catchInfo">异常信息标题字符串.</param>
8U<.16+5Q /// <retvalue>
mXU?+G0 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
aI{@]hCo /// </retvalue>
KPjqw{gR_R /// </summary>
wGzXp5
dl public static String FormatException(Exception ex, String catchInfo)
e0N=2i?I#z {
qa$[L@h> StringBuilder strBuilder = new StringBuilder();
nUud?F^_ if (catchInfo != String.Empty)
jaO#><f {
_c9
WWp? strBuilder.Append(catchInfo).Append("\r\n");
!qXq
y}?w }
GQ-e$D@SfB strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
0|s$vqc return strBuilder.ToString();
udEb/7ZL }
c+b:K DA MpR3 /// <summary>
lv\F+?]a /// 实际事件日志写入方法
+?j?|G /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
fteyG$-s /// <param name="messageText">要记录的文本.</param>
i[ Gw7'f /// </summary>
!v5sWVVR private static void WriteLog(TraceLevel level, String messageText)
86[RH!e {
m{lRFKx>s try
h"BhTx7E} {
)1Ma~8Y%r EventLogEntryType LogEntryType;
VJl &Bq+ switch (level)
/2_B$ {
Sa[EnC case TraceLevel.Error:
W-C0YU1 LogEntryType = EventLogEntryType.Error;
[2QY break;
N}+B:l]Qy case TraceLevel.Warning:
K*Nb_|~ LogEntryType = EventLogEntryType.Warning;
C*{15!d:G break;
##`;Eh0a case TraceLevel.Info:
a(x.{}uG, LogEntryType = EventLogEntryType.Information;
}uvKE|umj break;
XU;{28P case TraceLevel.Verbose:
4lY&=_K[) LogEntryType = EventLogEntryType.SuccessAudit;
0l(E!d8&' break;
uD ?I>7 default:
"]SJbuzh LogEntryType = EventLogEntryType.SuccessAudit;
[]=FZ`4 break;
SrQ4y`? }
&v3D" J 2pxWv
)0 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
rY[3_ NG% //写入事件日志
$LxG>db eventLog.WriteEntry(messageText, LogEntryType);
GFQG(7G9 ~51kiQW }
EbBv}9g catch {} //忽略任何异常
xS
H6n }
,<Grd5em. } //class ApplicationLog
PUQ_w }
=#.8$oa^ %)<oX9E 12.Panel 横向滚动,纵向自动扩展
OUlxeo/ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
I*+LJy;j )I Y 5Y 13.回车转换成Tab
XDP6T"h <script language="javascript" for="document" event="onkeydown">
fw:7Q7
qo if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
2rR@2Vsw2 event.keyCode=9;
?b*/ddIs </script>
EaM"=g 0,1L e$)6 onkeydown="if(event.keyCode==13) event.keyCode=9"
@wYQLZ @H3 s2| 14.DataGrid超级连接列
}{#;;5KrB DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
ONr?.MJ6j :>tF_6 15.DataGrid行随鼠标变色
S|{Yvyp private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*c~'0|r {
KD,^*FkkL if (e.Item.ItemType!=ListItemType.Header)
AMh37Xo {
r%Q8)nEo e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
.\ ;l-U e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
f7_\).T }
="5k\1W1M }
r/N[7*i tAb;/tM3I 16.模板列
IL+#ynC <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
4DQ07w <ITEMTEMPLATE>
bK_0NrXP <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
' D)1ka. </ITEMTEMPLATE>
K)Df}fVOc </ASP:TEMPLATECOLUMN>
CU#L *kz 27Kc-rcB <ASP:TEMPLATECOLUMN headertext="选中">
zK'
_e&* <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Xmf <ITEMTEMPLATE>
$n=W2WJ6f <ASP:CHECKBOX id="chkExport" runat="server" />
<O,'5+zG% </ITEMTEMPLATE>
++Rdv0~ <EDITITEMTEMPLATE>
M&|sR+$^ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
T =eT^?v </EDITITEMTEMPLATE>
?VMi!-POE </ASP:TEMPLATECOLUMN>
G zJ9N` ;H7EB` 后台代码
q5:0&:m$4$ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
wo7N7R5 {
8~&F/C* //改变列的选定,实现全选或全不选。
6pM"h5hA CheckBox chkExport ;
W\I$`gyC/ if( CheckAll.Checked)
Z #.GI {
i#L6UKe:Q foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
1?D8|< {
"jl1.Ah chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
{&\J)oZ chkExport.Checked = true;
@K,2mhE~h }
pTa'.m }
\b_-mnN" else
otWo^CE$ {
a^RZsR foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
U=haXx4N {
cwH,l$ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
,X9hl J chkExport.Checked = false;
th.M.jas }
R7E]*:0} }
#W>x\ }
T4V[RN
0=N4O!X9 17.数字格式化
vbr~<JT= 'P@=/ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
ucQezmie <%#Container.DataItem("price","{0:¥#,##0.00}")%>
G*)s%2c>h zrLhQ3V#> int i=123456;
*)j@G: string s=i.ToString("###,###.00");
(/T+Wpy? XoDJzrL# 18.日期格式化
L/qZ ; { tpv?`(DDU 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
#rhVzN-?)W 2LCc 显示为: 2004-8-11 19:44:28
Nbgp_:{ $se !8s" 我只想要:2004-8-11 】
Y;fuh[# <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Am2*- '4af
], 应该如何改?
}U2[? &E.OyqGZV 【格式化日期】
euRCBzc /'-:=0a 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
::4"wU3t K&j'c 【日期的验证表达式】
z`\#$ rDpe_varA A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
f?2zLE>u ^((\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})))?$
mcvDxjk,h PfVEv * B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
re7!p(W?, ^\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]))$
b0r,h)R Ro$j1Aw( 【大小写转换】
8lMZ HttpUtility.HtmlEncode(string);
EwTS!gL HttpUtility.HtmlDecode(string)
b2a'KczV 9U!JK3d 19.如何设定全局变量
~&lQNl3`m6 V^j3y`K Global.asax中
2;&mkcK' ?2H{^\<(e Application_Start()事件中
613/K`o =ft9T&ciD 添加Application[属性名] = xxx;
YavfjS:2 FL59 就是你的全局变量
wUbmzP. H!p!sn 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
*zJD$+Fo ZQ@3P7T HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
55LgBD x<8\- 【ASPNETMENU】点击菜单项弹出新窗口
X )I/%{ &u&2D$K,tp 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
sc<kiL <?xml version="1.0" encoding="GB2312"?>
H1Q''$}Z. <MenuData ImagesBaseURL="images/">
F/)f,sZF <MenuGroup>
g .3f2w <MenuItem Label="内参信息" URL="Infomation.aspx" >
1U <MenuGroup ID="BBC">
Pv#KmSA9 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
eDuX"/kHA <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
HP#ki !' ......
l+oDq'[q" 2ed@HJu 最好将你的aspnetmenu升级到1.2版
%@>YNPD`E q5!0\o: 21.读取DataGrid控件TextBox值
ohtT
O]\ foreach(DataGrid dgi in yourDataGrid.Items)
EVWA\RO'\ {
+5#x6[ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
"X`Qe!zk4 tb.Text....
9wzwY[{ }
[@g ~ &ryiG 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?
ZH% we )4PB<[u 〖思归〗
$khrWiX <asp:TemplateColumn HeaderText="数量">
B+|IZoR <ItemTemplate>
t~q?lT <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
7$K}qsr< onkeyup="javascript:DoCal()"
>cTjA): />
aJa.U^1{ FbmsN)mv!% <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
nVNs][ </ItemTemplate>
,|A{!j` </asp:TemplateColumn>
3XnE y
+ +eC3?B8rN <asp:TemplateColumn HeaderText="单价">
=Aj"j-r&{ <ItemTemplate>
\d:h$ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
LGAX"/LX onkeyup="javascript:DoCal()"
|J\,F.{' />
f'i6QMk\& kwOeHdV^ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
jK e.gA *l:&f_ngV </ItemTemplate>
\x(.d.l/ </asp:TemplateColumn>
YlrB@mE0n$ K\~v& <asp:TemplateColumn HeaderText="金额">
-nOq \RYV <ItemTemplate>
MJA~jjy4 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
%/Bvy*X& </ItemTemplate>
RvR:e| </asp:TemplateColumn><script language="javascript">
wW^Zb function DoCal()
'd+:D' {
TH YVT%v var e = event.srcElement;
9N^+IZ@l var row = e.parentNode.parentNode;
Ajg\aof0{ var txts = row.all.tags("INPUT");
V!W1fb7V if (!txts.length || txts.length < 3)
gd_^ return;
Jl_~_Z 6Etss!_ var q = txts[txts.length-3].value;
l0. FiO@_Q var p = txts[txts.length-2].value;
}s(C^0x P,U$ %C! if (isNaN(q) || isNaN(p))
m9woredS, return;
e$32 ifvU"l q = parseInt(q);
-<PC"B p = parseFloat(p);
*Wso3 6an *<xrp*O txts[txts.length-1].value = (q * p).toFixed(2);
qF'~F`6 }
u0g*O]Y </script>
G0pBR]_5z$ -,|ha>r F3Ap1-%z +YuzpuxjJ 7OE[RX8!f 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。
@iRO7 6m page_load
,z[(k" page.smartNavigation=true
#52NsVaT@ 7
v~ro 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 ?
P.h.MA] private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
uOre,AQR {
>D~w}z/fk for(int i=0;i<e.Item.Cells.Count-1;i++)
aHC%19UN if(e.Item.ItemType==ListItemType.EditType)
ULIFSd Y {
6g~+( ({lQ e.Item.Cells.Attributes.Add("Width", "80px")
=zOeb/ }
Z7KXWu+6`m }
drIK(u\_ R*\~k%Z 26.对话框
.it2NS private static string ScriptBegin = "<script language=\"JavaScript\">";
x W\,KSK private static string ScriptEnd = "</script>";
lV)G@l[1 /BKtw8 public static void ConfirmMessageBox(string PageTarget,string Content)
nP;;MX:B {
x2m]Us@LIU string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
wV:C<Mg7q h0lu!m#\_ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Um\0i;7 ~4 -dG,*0 > Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
K$ AB} Fvc ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
GI_DhU]~) //Response.Write(strScript);
Ihqs%;V }
:XYy7xz< uREu2T2 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
c3#q0Ma 'evv,Q{87 1.1 取当前年月日时分秒
Uouq>N currentTime=System.DateTime.Now;
<xqba4O ;wgFr.#hp@ 1.2 取当前年
W>/UBN3 int 年= DateTime.Now.Year;
3Oiy)f@{TF $H;+}VQ 1.3 取当前月
t!~S9c int 月= DateTime.Now.Month;
o|rzN\WJn e "n|jRh 1.4 取当前日
c{4R*|^ int 日= DateTime.Now.Day;
kc Y,vl #KE;=$(S 1.5 取当前时
M BVOfEMj int 时= DateTime.Now.Hour;
F.
T@)7 LwQH6 !;[ 1.6 取当前分
7"K^H]6u30 int 分= DateTime.Now.Minute;
$3#%aA!(# /[?Jylj 1.7 取当前秒
g_M^E-3 int 秒= DateTime.Now.Second;
C0(sAF@ (}jL_E 1.8 取当前毫秒
k{-`]qiK int 毫秒= DateTime.Now.Millisecond;
}"4roJ oIxH 3T 28.自定义分页代码:
iC*U $+JG O^NP0E 先定义变量 :
WK4@:k
m6) public static int pageCount; //总页面数
\O? u* public static int curPageIndex=1; //当前页面
> UWStzH< ZAeQ~ j~ 下一页:
(}"S)#C if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
PpFsp( )x {
!
Rvn'|! DataGrid1.CurrentPageIndex += 1;
X" \}sl5 curPageIndex+=1;
s OQcx\dK }
M=[th QiU_hz6?v bind(); // DataGrid1数据绑定函数
r0Z+RB^I =YHt9fb$c 上一页:
j ug'g if(DataGrid1.CurrentPageIndex >0)
v$3_o : {
#_fY4vEO DataGrid1.CurrentPageIndex += 1;
?gG, t4D curPageIndex-=1;
MD4\QNUa)* }
^@"c` k>>`fE\K bind(); // DataGrid1数据绑定函数
l&|)O6N &k+*3.X 直接页面跳转:
ev"M;"y int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
r=$gT@ WIG=D{\Yx if(a<DataGrid1.PageCount)
O<`,,^4w/ {
-l JYr/MSL this.DataGrid1.CurrentPageIndex=a;
xFwXW) }
27iy4(4 _+n;A46 bind();
c'rd $ kwF] TO
S 29.DataGrid使用:
[>p6 b0YNac.l 添加删除确认:
\u8,!) 4i private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
~p^7X2% ! {
Qc3?}os2 foreach(DataGridItem di in this.DataGrid1.Items)
)E~_rDTl {
QkE,T0,/?h if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Ut_mrb+W {
nsl*Dm"*F ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
9A+M|;O }
9GPb$gtx }
j{"[Ec }
"Z~`e]> I.9o`Q[8& 样式交替:
h!Y?SO.b ListItemType itemType = e.Item.ItemType;
/{R3@,D[] {XHk6w
*- if (itemType == ListItemType.Item )
$m8leuo) {
O#G|
~'., e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
lR}%)3_k e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
h?A'H RyL~ }
T3rn+BxF 7 else if( itemType == ListItemType.AlternatingItem)
6l[G1KkV {
@'HT;Q!\Vd e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
xE1rxPuq)d e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
k(v"B@0
}
uS-3\$ 6F-JK1i 添加一个编号列:
J[r^T&o DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
<A{y($ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
pns+y G
*@@K for(int i=0;i<dt.Rows.Count;i++)
ob]dZ {
] R<FKJ[ dt.Rows["number"]=(i+1).ToString();
2Y;!$0_rv }
Aqu]9M~ 0\wi am- DataGrid1.DataSource=dt;
L;Vq j]_ DataGrid1.DataBind();
:A#+=O0\z gY%&IHQ' DataGrid1中添加一个CheckBox,页面中添加一个全选框
+;6) private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
jE*Ff&]%m {
EZ{/]gCK foreach(DataGridItem thisitem in DataGrid1.Items)
:ol6%Z's {
'%ebcL ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
UM`nq;> }
FF3&Y^+^" }
S\b K+ ]< +3Vw 将当前页面中DataGrid1显示的数据全部删除
/.2 qWQH foreach(DataGridItem thisitem in DataGrid1.Items)
9fMSAB+c% {
.?Auh2nr if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Q]T BQ& {
qg)qjBQwA string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
K9*IA@xL Del (strloginid); //删除函数
u{P~zyx }
,02w@we5 }
(JU_8j! [G=:?J,P 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
5y}BCY2=/ KqK9X 在Application_Start中添加以下代码:
W\NG>t Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
hbH#Co~o4# AppSettings["ConnStr"].ToString();
gg(k7e (FG^UA#' 31. 变量.ToString()
(:l(_-O 5pmQp}}R 字符型转换 转为字符串
o~k;D{Snr 12345.ToString("n"); //生成 12,345.00
vS#{-X 12345.ToString("C"); //生成 ¥12,345.00
@ge
LW! 12345.ToString("e"); //生成 1.234500e+004
]/[0O+B? 12345.ToString("f4"); //生成 12345.0000
{!y<<u1 12345.ToString("x"); //生成 3039 (16进制)
Tm\OYYyk 12345.ToString("p"); //生成 1,234,500.00%
}biCQ*{' MISE C[/ 32、变量.Substring(参数1,参数2);
@sdS0pC 19) !$Hl 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);
%}ixgs7*c0 ^ `je 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)
^X^,>Z| <SCRIPT language="javascript">
`yx56 <!--
{?y<%@ function gook(pws)
)gjGG8Ee {
4gya] frm.submit();
pkW5D }
VW~Xbyf //-->
,0h3x$l) {Y^c*Iqn </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
ozuIwzi7N <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
s|E%~j[9 <tr>
E^82==R <td>
"\<P$&`HA <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
58PKx5`D <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
_)q4I(s* <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
HGb.656r V>r j$Nc] <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
5)8. <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
0NrTJ R` &<@%{h@= </td>
rXuAixu!t .c03}RTC^ </tr>
GeVc\$K- UC(9Dz </form>
$^ubo5% %^T!@uZr 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
rX:1_q`xA @T_O6TcY 下面是获取用户输入的登陆信息的代码:
;NBT 4 string name;
7fUi?41XA name=Request.QueryString["EmailName"];
}pt-q[s> J7_8$B-j7 try
c9|I4=_K {
zQn//7#-G int a=name.IndexOf("@",0,name.Length);
Ae.]F)w_\ f_user.Value=name.Substring(0,a);
tfsh!)u? f_domain.Value=name.Substring(a+1,name.Length-(a+1));
]2P/G5C3tU f_pass.Value=Request.QueryString["Psw"];
Na-q%ru }
f7S^yA[[ <e[!3,%L catch
xU#]w6 {
k];L!Fj1 Script.Alert("错误的邮箱!");
cw*(L5bu Server.Transfer("index.aspx");
0F-mROC=F }