1. 打开新的窗口并传送参数:
(W/UR9x)|d dj**,*s 传送参数:
]>T/Gl1 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
(2)9TpE; ee` =B 接收参数:
Vo8"/]_h string a = Request.QueryString("id");
?+L6o C.; string b = Request.QueryString("id1");
*j :5 YL0RQa 2.为按钮添加对话框
x"De
9SB Button1.Attributes.Add("onclick","return confirm(’确认?’)");
.Dxrc button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
;KN@v5`p }CqIKoX. 3.删除表格选定记录
zKT<QM!` int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
8}@a?QS(& string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
<9ph c Vk
T3_f 4.删除表格记录警告
ZA@"uqa 6b private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
GdY^}TJrh {
"S#hzrEdYI switch(e.Item.ItemType)
zH4#\d {
7J/3O[2 case ListItemType.Item :
A*;h}\n case ListItemType.AlternatingItem :
aX:$Q
}S case ListItemType.EditItem:
6*
w;xf TableCell myTableCell;
_
RT}Ee}Y myTableCell = e.Item.Cells[14];
nzDY!Y LinkButton myDeleteButton ;
mn` Ae= myDeleteButton = (LinkButton)myTableCell.Controls[0];
^[akB|#\9 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
NebZGD2K break;
>X)G`N@! default:
H>9$L~ break;
bc-}Qn }
z8MYgn7 _?<Fc8F }
an~Kc!Oki
KguFU 5.点击表格行链接另一页
<{uIB;P private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
YdaJ& {
Vtri"G8 aB //点击表格打开
c?S402M} if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
d a9 *>+[ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
H;E{Fnarv }
fsu"Lc 5~QB.m,> 双击表格连接到另一页
RL9P:]
^ VUy
1?n 在itemDataBind事件中
7]bqs"t if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
x #g,l2_! {
Q5JeL6t string OrderItemID =e.item.cells[1].Text;
+^:K#S9U ...
1cega1s3xR e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
*^ BE1- }
yD"sYT ^\%%9jY 双击表格打开新一页
^bGi_YC if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Wd#6Y}: {
]B||S7idq string OrderItemID =e.item.cells[1].Text;
'Ud5;?{ ...
zFIKB9NUn e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
L_|Y_=r." }
+/tD$ GS%Dn^l ★特别注意:【?id=】 处不能为 【?id =】
I'wAgf6W 6.表格超连接列传递参数
eF@E|kK <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
fCR;Fk2B <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
i`;I"oY4 `x{gF8GV 7.表格点击改变颜色
:1Cc~+]w(u if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
OMU#Sx!6 {
Hn)=:lI e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
RZjR d this.style.color=’buttontext’;this.style.cursor=’default’;");
sMK/l @7 }
Ql
1# l:Q Mv3Ch'X[ 写在DataGrid的_ItemDataBound里
@@ QU"8q if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
}{"\"Bn_ {
`shB[Lt e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
cae}dHG2 this.style.color=’buttontext’;this.style.cursor=’default’;");
TXM.,5Dx\ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
*(rE< }
l{4\Wn Va * ?K=;$ (ym)q#^ 8.关于日期格式
(Lp-3Xx jQhf)B 日期格式设定
i y 5 DataFormatString="{0:yyyy-MM-dd}"
yLP0w^Q !8$}]uWP 我觉得应该在itembound事件中
iu .{L(m e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Velmq'n b8Qm4 b?:4 9.获取错误信息并到指定页面
tj0vB]c 6yU~^))bx 不要使用Response.Redirect,而应该使用Server.Transfer
#LZ`kSlv4 =
N#WwNC e.g
3^\y> // in global.asax
Y'P8 `$ protected void Application_Error(Object sender, EventArgs e) {
{BF\G%v;+ if (Server.GetLastError() is HttpUnhandledException)
S.z ;Bm Server.Transfer("MyErrorPage.aspx");
7)T+!>
,Xw/
t> //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
m`|Z1CT }
Am0$U eSZ T]xGE Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
6!$S1z#wM bu.36\78 10.清空Cookie
4}CRM# W2 Cookie.Expires=[DateTime];
.&ZVy{uP Response.Cookies("UserName").Expires = 0
{:Q2Itsy !l~hO 11.自定义异常处理
ra3WLK //自定义异常处理类
@P-7a`3* using System;
K;95M^C\O* using System.Diagnostics;
;u%h wlo )q,}jeM8 namespace MyAppException
:/3`+&T^/ {
v#6.VUAw /// <summary>
Z6=!}a% /// 从系统异常类ApplicationException继承的应用程序异常处理类。
/H)g<YA /// 自动将异常内容记录到Windows NT/2000的应用程序日志
iw{n|&Y#` /// </summary>
Z#Fw 1 public class AppException:System.ApplicationException
/c7j@=0 {
E*%{Nn public AppException()
OjHBzrK {
!\m.&lk'^ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
PQK_*hJG" }
dx~Wm1 Kk,->q<1 public AppException(string message)
9T]]T Ev4 {
+0OQ"2^& LogEvent(message);
{`'b+0[;@ }
sk5\"jna rk~/^(! public AppException(string message,Exception innerException)
5*CwQJC< {
0\mzGfd LogEvent(message);
?:ZH%R_`a if (innerException != null)
;(sb^O {
X:Zqgf LogEvent(innerException.Message);
&$=F$ }
kK(633s }
AIeYy-f @.0,ka,X //日志记录类
" n\!y~: using System;
S$#Awen"@ using System.Configuration;
n5b
N/ using System.Diagnostics;
)-9/5Z0v using System.IO;
&`9lIVB,K using System.Text;
fVkl-<?x using System.Threading;
$$4% .J26Z kO4C^pl"v namespace MyEventLog
4
qnQF]4 {
]u:NE'0Xy /// <summary>
5u&jNU5m_ /// 事件日志记录类,提供事件日志记录支持
mB\5bSFY` /// <remarks>
u,C-U!A /// 定义了4个日志记录方法 (error, warning, info, trace)
)*uI/E /// </remarks>
bIH2cJ /// </summary>
3S,pd0; public class ApplicationLog
ex['{|a{ {
kSDV#8uZ /// <summary>
@f$P*_G /// 将错误信息记录到Win2000/NT事件日志中
B4b UcYk /// <param name="message">需要记录的文本信息</param>
czp5MU_^ /// </summary>
>8VJ!Kg4 public static void WriteError(String message)
Ua:EI!` {
-&&mkK
B! WriteLog(TraceLevel.Error, message);
P)H%dJ^l }
TQ BL!w WlY%f}ln /// <summary>
83dOSS2 /// 将警告信息记录到Win2000/NT事件日志中
[:o#d`^ /// <param name="message">需要记录的文本信息</param>
Y,a.9AWw) /// </summary>
=m40{ public static void WriteWarning(String message)
Pg:Nz@CQ {
LP87X-qkjW WriteLog(TraceLevel.Warning, message);
9=/8d`r }
B!<I[fvK >8,BC /// <summary>
<ZocMv9gM /// 将提示信息记录到Win2000/NT事件日志中
\CL`j /// <param name="message">需要记录的文本信息</param>
r8xH A /// </summary>
!b7H public static void WriteInfo(String message)
^a(q7ZfY {
Kq1sGk WriteLog(TraceLevel.Info, message);
|9g*rO }
U3Q'ZT /// <summary>
4, :D4WYWD /// 将跟踪信息记录到Win2000/NT事件日志中
7fVVU+y /// <param name="message">需要记录的文本信息</param>
w "D"9G /// </summary>
X:dj5v public static void WriteTrace(String message)
Y8P {
$yt|nO WriteLog(TraceLevel.Verbose, message);
l0
1Lg6+S }
[]Z6<rC| 4jXyA/F9V /// <summary>
7W>T=
@ /// 格式化记录到事件日志的文本信息格式
Op|Be /// <param name="ex">需要格式化的异常对象</param>
BG|Kw)z*KM /// <param name="catchInfo">异常信息标题字符串.</param>
\/5 8# /// <retvalue>
3"B|w^6'2 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
w90y-^p% /// </retvalue>
"?Y0Ng[ /// </summary>
S`-z$ph} public static String FormatException(Exception ex, String catchInfo)
A(C3kISM {
Q:-/@$&i StringBuilder strBuilder = new StringBuilder();
E/am^ TO` if (catchInfo != String.Empty)
<l\FHJhjq {
K<t(HK#[ strBuilder.Append(catchInfo).Append("\r\n");
> {:8c-\2} }
YRwS{e*u strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
:c6%;2 return strBuilder.ToString();
fN&O `T> }
wM|-u/9+ UVUHLu|^ /// <summary>
`0so)2ty+ /// 实际事件日志写入方法
# ><.zZ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Ao,lEjN I /// <param name="messageText">要记录的文本.</param>
{!,+C0 /// </summary>
='mqfGRi> private static void WriteLog(TraceLevel level, String messageText)
k'{lo_ {
u-? &~WA try
a E#s#Kv {
=e4,)Wd9& EventLogEntryType LogEntryType;
ve>8vw2 switch (level)
i#C?& {
6=zme6D case TraceLevel.Error:
IX3r$}4 LogEntryType = EventLogEntryType.Error;
gU8'7H2 break;
^EB}e15" case TraceLevel.Warning:
5tf/VT LogEntryType = EventLogEntryType.Warning;
m7eO T break;
O[N{&\$ case TraceLevel.Info:
s*VZLKO LogEntryType = EventLogEntryType.Information;
tkd2AMkh! break;
h+vKai case TraceLevel.Verbose:
wwF 20 LogEntryType = EventLogEntryType.SuccessAudit;
FNZnz7 break;
Wima=xYe\5 default:
JY /Cd6\ LogEntryType = EventLogEntryType.SuccessAudit;
f",B;C break;
u2DsjaL }
MF& +4$q M+ H$Jjcs EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
$1w8GI\J //写入事件日志
$[z*MQ eventLog.WriteEntry(messageText, LogEntryType);
'SuYNA) 1sgoT f% }
J${wU@_% catch {} //忽略任何异常
*<9p88FpDU }
\Oc3rJ( } //class ApplicationLog
#$8tBo }
+tuC845 l jNd!RaB 12.Panel 横向滚动,纵向自动扩展
a
ZfX | <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
D7=gUm> 04,]upC${W 13.回车转换成Tab
R=E )j^<F <script language="javascript" for="document" event="onkeydown">
9'T(Fc if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
)2R:P`U event.keyCode=9;
Kyv$yf9 </script>
GSMP)8W H
>RGX#| onkeydown="if(event.keyCode==13) event.keyCode=9"
JNZKzyJ9K R^K<u#>K 14.DataGrid超级连接列
aZmSCi:&' DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
2Qn%p[#n `B^?Za,xN 15.DataGrid行随鼠标变色
VD1*br^, private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
KC {
^^v\ T if (e.Item.ItemType!=ListItemType.Header)
"F0,S~tZZ {
hLBX,r)u e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
}|x]8zL8G e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
(0Y6tcV]R }
~DCw
[y }
Vls*fY:W Um*{~=;u 16.模板列
M34*$>bk <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Z EG <ITEMTEMPLATE>
g6nBu <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
mvYr"6f8 </ITEMTEMPLATE>
}J:~}?^%n </ASP:TEMPLATECOLUMN>
y\ouIsI77 96 C|R <ASP:TEMPLATECOLUMN headertext="选中">
n#m )]YQC <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
2p@S-Lp <ITEMTEMPLATE>
>YLwWU<X <ASP:CHECKBOX id="chkExport" runat="server" />
:^px1 </ITEMTEMPLATE>
4Jht{#IIG <EDITITEMTEMPLATE>
B:Msn)C~ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
sfx:j~bsL </EDITITEMTEMPLATE>
_<xU"8b"5 </ASP:TEMPLATECOLUMN>
rU(N@i% lQ@2s[ 后台代码
c~p4M64 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
R$v{ p[ {
&x\u.wIa //改变列的选定,实现全选或全不选。
{GZHD^Ce CheckBox chkExport ;
3vmZB2QG if( CheckAll.Checked)
MT a.Ubs {
_ 57m] ;& foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Y]ZOvA5W {
t R*JM$T chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Z~$fTW6g chkExport.Checked = true;
zX|CW; }
N=-hXgX^ }
UiW(/L else
Kh3*\x T {
yl)}1DPP foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
~,dj)x
3M {
HZ]'?&0 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
LkNC8V chkExport.Checked = false;
$Nnz|y }
:Bda]]Y= }
]#_,?d }
O
/aC%% spgY &OI; 17.数字格式化
:MpIx& !*N#}6Jd 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
L;>tuJY1 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
oE)tK1>;H BpRQG]L int i=123456;
389T6sP] string s=i.ToString("###,###.00");
&yWl8O X+Xjf( 18.日期格式化
pX|\J>u) 6i, d| 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
0l{').!_ 7w YSP&$ 显示为: 2004-8-11 19:44:28
q4Qm:|- )k=8.j4 我只想要:2004-8-11 】
[\eUCt F <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
}kGJ)zh c.,eIiL 应该如何改?
sl>4O]N mI"`. 【格式化日期】
pn>zuHe pT:CvJ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
&A]*"lt|w J3g>#N]='( 【日期的验证表达式】
V_(lZDjh* U3az\E)HV A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
'GS1"rkW<5 ^((\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})))?$
A\k@9w\Ll; v~uQ_ae$> B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
"\]kK@, ^\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]))$
`)!)}PXl Hk(w\
【大小写转换】
hPP+lqY[ HttpUtility.HtmlEncode(string);
/w`{]Ntgu HttpUtility.HtmlDecode(string)
>J|I 'BcxKqC 19.如何设定全局变量
F[ m^(x wlmi&kq Global.asax中
4f'WF5S/}8 \^w=T* Application_Start()事件中
+7^{T:^ht .0r5= 添加Application[属性名] = xxx;
+|r)
;>b n!A')]y" 就是你的全局变量
v6;XxBR6 C<eeAWP3v 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
>{$;O &(IL`% HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
|C\g 3N- ` L6H2:pf 【ASPNETMENU】点击菜单项弹出新窗口
^7vhize rmk'{" 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
R1\cAP^0 <?xml version="1.0" encoding="GB2312"?>
Y:ZI9JK? <MenuData ImagesBaseURL="images/">
X_!Sm <MenuGroup>
0&$e:O'v <MenuItem Label="内参信息" URL="Infomation.aspx" >
&7XB$ <MenuGroup ID="BBC">
cg}46)^<QH <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Lb{~a_c <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
9v_gR52vh ......
{M$mrmG LdDkd(k 最好将你的aspnetmenu升级到1.2版
DbH{;
Fb u3dh MnUn 21.读取DataGrid控件TextBox值
AW!|xA6'`: foreach(DataGrid dgi in yourDataGrid.Items)
L_=J(H| {
2<qq[2 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
(3&@c!E tb.Text....
)p).}" }
sbQmPV RT F9;]Ti 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
Z[slN5]([ vWXj6} 〖思归〗
sO~N2 <asp:TemplateColumn HeaderText="数量">
1W"9u <ItemTemplate>
JU1U=Lu." <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
_Oh;._PS onkeyup="javascript:DoCal()"
_|g(BK2} />
Xa Yx avq >OBuHqC <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
8n,i5>!d </ItemTemplate>
Z"mpE+U* </asp:TemplateColumn>
h,\^Sb5AP pIqPIuy <asp:TemplateColumn HeaderText="单价">
1e _V@Vy <ItemTemplate>
+d2+w1o^V <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
3Yp_k onkeyup="javascript:DoCal()"
O HR9u />
V89!C?.[]1 7Q/v#_e( <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
lva]jh2 ,D
[ </ItemTemplate>
LyS139P$ </asp:TemplateColumn>
f>;5ZE4Zu tI{pu}/"# <asp:TemplateColumn HeaderText="金额">
#z6RzZu <ItemTemplate>
nv2Y6e}dG <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
mO?G[?*\ </ItemTemplate>
wGBQ.Ve[ </asp:TemplateColumn><script language="javascript">
'.#KkvE## function DoCal()
?MPM@9 {
a+{YTR>0m var e = event.srcElement;
(|I0C 'Ki var row = e.parentNode.parentNode;
;^=eiurv var txts = row.all.tags("INPUT");
bXQ(6P if (!txts.length || txts.length < 3)
{MO`0n;
rt return;
[f:>tRdH qF%wl var q = txts[txts.length-3].value;
&bRmr/D var p = txts[txts.length-2].value;
^8
AV #a 'i%Azzv if (isNaN(q) || isNaN(p))
hOO)0IrIM* return;
Z5bmqhDo[ @ J!)o d q = parseInt(q);
Bb}JyT
p = parseFloat(p);
@:oMlIw; 49
fs$wr@ txts[txts.length-1].value = (q * p).toFixed(2);
<Lyz7R6 }
Yc"G="XP; </script>
WvAl!^{` &dbX>u q H
\.EKZ dWg$yH 2j=3i@ 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。
O8[dPmW page_load
Oa$ew' page.smartNavigation=true
IgLP=mqcWK gA`/t e 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
?F(t`0= private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
MP w@O0QS {
>Cb% `pe for(int i=0;i<e.Item.Cells.Count-1;i++)
{>5z~OV if(e.Item.ItemType==ListItemType.EditType)
V.1sb
pI
{
~*L H[l>K e.Item.Cells.Attributes.Add("Width", "80px")
R
7xV{o }
f]J?-ks }
c)rI[P7Q deda=%w0 26.对话框
z=?ainnKx private static string ScriptBegin = "<script language=\"JavaScript\">";
l!~8 private static string ScriptEnd = "</script>";
^X)U^Qd x*}(l%[ public static void ConfirmMessageBox(string PageTarget,string Content)
OC7:Dp4 {
@H]g_yw [: string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
6!+xf P`-(08t ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
SXwgn > fx99@%Ii Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
S]K^wj[ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
]m=* =LLC //Response.Write(strScript);
dn:g_!]p }
@ns2$(wkm@ r\'3q'7p 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
4AZlr*U G\*`EM4 1.1 取当前年月日时分秒
nDMNaMYb currentTime=System.DateTime.Now;
JBeC\ \QX f$*M;|c1c/ 1.2 取当前年
lU:z>gC int 年= DateTime.Now.Year;
i._d^lR\t K{x<zv&, 1.3 取当前月
O<L/m[] int 月= DateTime.Now.Month;
SKD!V6S '+f!(teLz 1.4 取当前日
'gI58#v int 日= DateTime.Now.Day;
j;VYF
Qk Gr{ 1.5 取当前时
O|4~$7 int 时= DateTime.Now.Hour;
\^|ncu:T jdXkU 1.6 取当前分
/n@_Ihx int 分= DateTime.Now.Minute;
e}(.u1 *q|.H9
K( 1.7 取当前秒
%nFZA)B[ int 秒= DateTime.Now.Second;
H+zQz8zMC E36<Wog 1.8 取当前毫秒
^q%~K{'`- int 毫秒= DateTime.Now.Millisecond;
ZH0 ~: 0}Kl47}aD 28.自定义分页代码:
yoGE#+|7^ vQc>jmS+n 先定义变量 :
]9R?2{"K public static int pageCount; //总页面数
K~x G+Kh public static int curPageIndex=1; //当前页面
5c'rnMW4+p @2YO_rL[ 下一页:
oJ{)0;<~L if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
?9mWMf%t {
""d3ownKhw DataGrid1.CurrentPageIndex += 1;
4)/tCv curPageIndex+=1;
@U}fvdft }
]L}<Y9)t b.8HGt<% bind(); // DataGrid1数据绑定函数
hL67g ZS^EKz~ + 上一页:
#)my)}o\p if(DataGrid1.CurrentPageIndex >0)
V
[[B~Rs {
v*FCE 1HI DataGrid1.CurrentPageIndex += 1;
SDA
+XnmH curPageIndex-=1;
Da?0B9' }
k(u W( 6 {;f`t3D bind(); // DataGrid1数据绑定函数
XfViLBY(
> ZZ[5Z=te? 直接页面跳转:
8eWb{nuJ> int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
w2/%e$D!9 "N7C7`izc if(a<DataGrid1.PageCount)
n;v8Vc' {
-']#5p l this.DataGrid1.CurrentPageIndex=a;
_ F@>?\B }
CDU^X$Q !6f#OAP\ bind();
sAnStS=> B:^5W{ 29.DataGrid使用:
{BJ[h ;2#7"a^ 添加删除确认:
W5J"#^kdF8 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
OwSr`2'9 {
SV6Np?U foreach(DataGridItem di in this.DataGrid1.Items)
8Ln:y'K {
MbYa6jrF if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
iOjmj0 {
5OpK~f5 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Zt[
PkBi }
)oAK)e }
pf] sL/g }
FjkE^o>
>"zSW? 样式交替:
s49AF ListItemType itemType = e.Item.ItemType;
w
y:USS? lYQcQ*- if (itemType == ListItemType.Item )
> {fX;l {
Ms{v;fT e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
o] )qv~o) e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
VNXB7#ry }
R4@C>\c%m else if( itemType == ListItemType.AlternatingItem)
IF5+&O {
9R'rFI e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
\iu2rat^ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
',J3^h!b }
PuUqWW'^ cN&b$8O=% 添加一个编号列:
oVc_(NH- DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
L.+5`& DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
X@| ro^Y$;G for(int i=0;i<dt.Rows.Count;i++)
vERsrg;( {
?=Ma7 y dt.Rows["number"]=(i+1).ToString();
ymr-kB }
XK(<N<Z@|e ;I5HMc_a" DataGrid1.DataSource=dt;
Dc #iM0 DataGrid1.DataBind();
ZVK;m1?' Er~5\9,/<] DataGrid1中添加一个CheckBox,页面中添加一个全选框
;v8,r#4 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
BuK 82 {
J~n{gT<L foreach(DataGridItem thisitem in DataGrid1.Items)
'T+3tGCy+ {
P(A%z2Ql ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
O3Ks|%1 }
(MJu3t
@ }
z@T;N'EM ")x9A&p 将当前页面中DataGrid1显示的数据全部删除
L7a+ #mGE foreach(DataGridItem thisitem in DataGrid1.Items)
H'Z[3e {
Oyj!N`&z@ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
2\EMtR>.M' {
[S3X string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Fv#ToT:QXe Del (strloginid); //删除函数
<
8WS YZ }
s&8QRI. }
@}aK\ $n(@hT>? 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
S\g8(\u mP3:Fc_G 在Application_Start中添加以下代码:
Q:=s99 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
l3l[jDa, 2 AppSettings["ConnStr"].ToString();
[dOPOA/d {[)J~kC+ 31. 变量.ToString()
V`@@ufU} j_p.KF'[? 字符型转换 转为字符串
9Tjvc! 4_b 12345.ToString("n"); //生成 12,345.00
o?/N4$&5l 12345.ToString("C"); //生成 ¥12,345.00
9Z7o?S"; 12345.ToString("e"); //生成 1.234500e+004
- DL/Hk_r 12345.ToString("f4"); //生成 12345.0000
KWN0$*4 12345.ToString("x"); //生成 3039 (16进制)
ke)3*.Y%C 12345.ToString("p"); //生成 1,234,500.00%
"o=h /q5& %"+FN2nbm 32、变量.Substring(参数1,参数2);
}JrM!' F}i rCi47c 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
OO53U=NU _3hCu/BV 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
kTs)u\r. <SCRIPT language="javascript">
iK=H9j <!--
.:_dS=ut function gook(pws)
3vVhE,1N {
_%Mu{Ni& frm.submit();
%)\Cwl }
DRf~l9f //-->
p5G O@^i 4?72TBl] </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
/M B0%6m <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
h/eKVRGs" <tr>
kwZC3p\\ <td>
X+bLLW>& <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
6Y\9h)1Jo <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
HTkce,dQ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
6q6&N'We `=%[ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
~''qd\.f$ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
X-~Q 8=)Aksu </td>
P#rwYPww\ q0DoR@ </tr>
w?<:` &AOw(?2 </form>
P%B1dRa 0#sk ]Qz 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。
sR?_ {rQ Y6^lKw 下面是获取用户输入的登陆信息的代码:
(WN 'wp string name;
#@lr$^M
name=Request.QueryString["EmailName"];
-v >BeVF E62VuX try
,7/un8:%c {
?CL1^N% int a=name.IndexOf("@",0,name.Length);
pB?a5jpA f_user.Value=name.Substring(0,a);
OkA-=M)RI: f_domain.Value=name.Substring(a+1,name.Length-(a+1));
*% uv7G@%N f_pass.Value=Request.QueryString["Psw"];
MeP U`M-- }
OdwSNG +<bq@.x catch
McH*J j {
D95$ Script.Alert("错误的邮箱!");
.'D+De&y Server.Transfer("index.aspx");
HRx#}hN?+ }