1. 打开新的窗口并传送参数:
].Ra=^q Y\
;hjxR- 传送参数:
z@~mu response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
99%R/m 2IP<6l8N 接收参数:
=$ T[ string a = Request.QueryString("id");
'H"!%y{:i string b = Request.QueryString("id1");
Nr}O6IJ>Sg Fu% n8 2.为按钮添加对话框
9!0-~,o Button1.Attributes.Add("onclick","return confirm(’确认?’)");
vP_mS 4X button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Xc&J.Tw#4* 3JD"* <zs 3.删除表格选定记录
9yu#G7 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
5g;mc.Cvt string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
I0;gTpt9 muDOY~. 4.删除表格记录警告
o)Px d private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
R?dMM {
fJ=(oF= switch(e.Item.ItemType)
R%\<al$O {
^f0-w`D case ListItemType.Item :
>wR)p\UEb case ListItemType.AlternatingItem :
s7\Ee-x)s case ListItemType.EditItem:
uz:r'+v TableCell myTableCell;
Pj*]%V myTableCell = e.Item.Cells[14];
BAG#YZB LinkButton myDeleteButton ;
nITkgN:s myDeleteButton = (LinkButton)myTableCell.Controls[0];
|x=(}g myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
,#9i=gp break;
UMMGT6s,E8 default:
IR&b2FTcU break;
n\$.6
_@x }
vg1E@rH|} k4!p))ql }
H`yUSB
IP '5A&c( 5.点击表格行链接另一页
_bv9/# tR private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
V0*MY{x#S {
KI].T+I //点击表格打开
x]608I
T if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+:/.\3v71 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Zeq^dV5y77 }
\Hq=_}]F ^* CKx 双击表格连接到另一页
p
S| Mp^G7JY, 在itemDataBind事件中
kX*.BZI}C if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
!<F5W<V {
4tvZJS
hV string OrderItemID =e.item.cells[1].Text;
:c(I-xif ...
dsK*YY jH e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
]4'V59\ }
IU"n`HS f1B t6|W% 双击表格打开新一页
8hMy$ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
o*[[nK*fL {
NFG~PZ`6R string OrderItemID =e.item.cells[1].Text;
X@/wsW(kM\ ...
q9\(<<f| e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
)Ofwfypc }
.$+,Y4q~( Ax9A-| ★特别注意:【?id=】 处不能为 【?id =】
3GMrdG?Y 6.表格超连接列传递参数
76u\#{5 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
'*`1uomeo <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
zQB1C oHF,k 7.表格点击改变颜色
sdKm@p|/| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
[vnxp/v/< {
|-%dN }O e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
jS|jPk|I. this.style.color=’buttontext’;this.style.cursor=’default’;");
,o0[^-b< }
s-F3(mc( _Om5wp=: 写在DataGrid的_ItemDataBound里
R-2Abyts2 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0OnqKgf {
}_Y\6fcd e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
a,:Nlr3 this.style.color=’buttontext’;this.style.cursor=’default’;");
Sg(\+j= e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
&$h#9 }
dd@
D
s COxJ,v( 6rlM\k@! 8.关于日期格式
\.F|c ;Wn0-`_1, 日期格式设定
q 1A0-W#4 DataFormatString="{0:yyyy-MM-dd}"
=7S\-{ I@1VX5 我觉得应该在itembound事件中
yJ(ITJE_Z e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
H.O&seY ir_X65l/2 9.获取错误信息并到指定页面
N`vPt?@ mE9ytFH\k 不要使用Response.Redirect,而应该使用Server.Transfer
)>pIAYCVP D e$K e.g
)$O'L7I n& // in global.asax
3)l<'~"z< protected void Application_Error(Object sender, EventArgs e) {
"&\]1A}Z-x if (Server.GetLastError() is HttpUnhandledException)
WaiM\h?=# Server.Transfer("MyErrorPage.aspx");
=[)2DJC iP?lP= M //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
y p pZ@ }
vtq47i QQ99sy 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
vs*@)'n0 } j$k/oQ 10.清空Cookie
%'9&JsO Cookie.Expires=[DateTime];
Ft @ZK!'@ Response.Cookies("UserName").Expires = 0
yq` ,) wy""02j 11.自定义异常处理
O5JG!bGE_F //自定义异常处理类
q=k[]vD using System;
v5L#H=P using System.Diagnostics;
TezwcFqH Xs)?PE[ namespace MyAppException
9hhYyqGsO {
py\/m] /// <summary>
I$f'BAw /// 从系统异常类ApplicationException继承的应用程序异常处理类。
qITd.<
k /// 自动将异常内容记录到Windows NT/2000的应用程序日志
(>-(~7PR /// </summary>
,(kaC.Em public class AppException:System.ApplicationException
J^mm"2 {
oho~?.F public AppException()
Rts}y:44 {
UJ&gm_M+kL if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
ASr3P5/ }
x'
3kHw Fz]!2rt public AppException(string message)
M:%Ll3 {
%z["TVH LogEvent(message);
eGI&4JgJ. }
c`#4}$ ZC&4uNUr public AppException(string message,Exception innerException)
Bs<LJzS{V {
^C{?LH/2 LogEvent(message);
nyPW6VQ0n if (innerException != null)
6/|"y {
0"u=g)3 LogEvent(innerException.Message);
-n6T^vf }
>yr3C }
.X6V>e)(3 tBE-:hX* //日志记录类
S{~j5tQv^q using System;
lp5b&I_ using System.Configuration;
,fyqa using System.Diagnostics;
sV`XJ9e| using System.IO;
Aoy=gK using System.Text;
,.,Y{CP using System.Threading;
V V Aw y6 9<*<-x{A17 namespace MyEventLog
<}AmzeHr+ {
OJ}aN>k /// <summary>
mtNB09E( /// 事件日志记录类,提供事件日志记录支持
%?z;'Y7D /// <remarks>
L$}'6y/@ /// 定义了4个日志记录方法 (error, warning, info, trace)
oRl@AhS /// </remarks>
@Hst-H.l<l /// </summary>
&-ZRS/_d> public class ApplicationLog
C]
|m|` {
$)7Af6xD /// <summary>
|bjLmGb /// 将错误信息记录到Win2000/NT事件日志中
CfHPJ:Qo[ /// <param name="message">需要记录的文本信息</param>
'h{DjNSM
/// </summary>
_B\X&!G. public static void WriteError(String message)
V(n3W=#kky {
N{fYO4O WriteLog(TraceLevel.Error, message);
$+HS^m }
4\2~wSr OC2%9Igx0 /// <summary>
Ijs=4f /// 将警告信息记录到Win2000/NT事件日志中
Nv\<>gA: /// <param name="message">需要记录的文本信息</param>
L9 H.DNA /// </summary>
A|P
`\_ public static void WriteWarning(String message)
f2{qj5 K {
#pX +~{ WriteLog(TraceLevel.Warning, message);
'Ie!%k ^ }
-o sxKT: .t{?doOT /// <summary>
.n)0@X! /// 将提示信息记录到Win2000/NT事件日志中
%gXNWxv /// <param name="message">需要记录的文本信息</param>
Y^uYc} /// </summary>
8j!(*'J. public static void WriteInfo(String message)
p9iCrqi {
_ 4+=S)$ WriteLog(TraceLevel.Info, message);
] Oe[;<I }
7R".$ p /// <summary>
bl;v^HR0) /// 将跟踪信息记录到Win2000/NT事件日志中
0 mR /// <param name="message">需要记录的文本信息</param>
2)>Ty4* /// </summary>
w7h=vy n? public static void WriteTrace(String message)
AmT*{Fz8 {
wGA%h.[M| WriteLog(TraceLevel.Verbose, message);
1z=}`,?> }
x8*@<]! & A @!g /// <summary>
m{sch`bP /// 格式化记录到事件日志的文本信息格式
=_H)5I_\ /// <param name="ex">需要格式化的异常对象</param>
Gh9dv|m=[; /// <param name="catchInfo">异常信息标题字符串.</param>
*wfkjG /// <retvalue>
ak;S Ie /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
w^QqYUL${ /// </retvalue>
|)u|@\{ /// </summary>
]ch=D public static String FormatException(Exception ex, String catchInfo)
G3t
4$3| {
0B~Q.tyP StringBuilder strBuilder = new StringBuilder();
@7<m.?A! if (catchInfo != String.Empty)
K?aUIkVs {
V3}$vKQ strBuilder.Append(catchInfo).Append("\r\n");
=6+j
Po{F }
7S9Q{ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
XvW
$B| return strBuilder.ToString();
-<B{?D }
NbW5a3= <(-4?"1 /// <summary>
,<?M/'4}G /// 实际事件日志写入方法
a fhZM$ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
"Q<*H<e /// <param name="messageText">要记录的文本.</param>
_7w2E /// </summary>
&g-uQBQI# private static void WriteLog(TraceLevel level, String messageText)
$Uxg$p qO {
,@*`2I>` try
WP0{% {
H[8P]"*z*i EventLogEntryType LogEntryType;
o M#S.f? switch (level)
1_.#'U> {
MOW {g\{\ case TraceLevel.Error:
wH[}@ w LogEntryType = EventLogEntryType.Error;
Sf0[^"7 break;
:7Q,
`W9 case TraceLevel.Warning:
{01wW1 LogEntryType = EventLogEntryType.Warning;
Nm/Fc break;
?YbZVoD)J case TraceLevel.Info:
EaGS}=qY5 LogEntryType = EventLogEntryType.Information;
Y^f12% break;
S=~8nr/V case TraceLevel.Verbose:
%;9+`U LogEntryType = EventLogEntryType.SuccessAudit;
r#[YBaCZJ break;
/q8?xP. default:
>w=xGb7 LogEntryType = EventLogEntryType.SuccessAudit;
7'xds break;
,W/D 0 }
CVFsp>+
vmXY}Ul EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
:j2_Jn4UP //写入事件日志
VG`A* Vj
eventLog.WriteEntry(messageText, LogEntryType);
>zDnJb&"& o<-+y\J8K }
D`^9
u
K catch {} //忽略任何异常
^~dvA)bH }
+(<}`!9M* } //class ApplicationLog
~X
-.@k' }
L~FE;*>7 g#ONtY@*U 12.Panel 横向滚动,纵向自动扩展
I:aG(8Bi)H <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
9jwo f}OU H;n(qBSB 13.回车转换成Tab
)(pJ~"'L <script language="javascript" for="document" event="onkeydown">
h&6x.ps@ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
&j7l#Urq event.keyCode=9;
ai,Mez </script>
]jzINaMav =JnUTc_u onkeydown="if(event.keyCode==13) event.keyCode=9"
ico(4KSk c!%:f^7g 14.DataGrid超级连接列
'HV}Tr DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
PF(P"f.?D o^!
Zt 9 15.DataGrid行随鼠标变色
AcF;5h private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1dK^[;v>3 {
`&U ['_% if (e.Item.ItemType!=ListItemType.Header)
gU}?Yy {
9bT,=b; e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
U)p P^:| e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
?Y~>H2 }
'4A8\&lQO }
m H'jr$ ? wWflZ"% 16.模板列
O"mU#3? <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
ASLRP <ITEMTEMPLATE>
GJqSNi} <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
~I>B5^3 </ITEMTEMPLATE>
U9xFQ=$2 </ASP:TEMPLATECOLUMN>
@]HV:7<q 'vTD7a^ <ASP:TEMPLATECOLUMN headertext="选中">
gGU3e(!Uc <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
kc8T@5+I0 <ITEMTEMPLATE>
WDiF:@^K <ASP:CHECKBOX id="chkExport" runat="server" />
;r[=q u\ </ITEMTEMPLATE>
xTM&SVNbL_ <EDITITEMTEMPLATE>
[zR
raG\ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
:OBggb#?! </EDITITEMTEMPLATE>
xZmKKKd0* </ASP:TEMPLATECOLUMN>
/BVNJNhz hk&p+NV! 后台代码
6|LDb"Rvy protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
N_r*Ig {
ap9eQsC //改变列的选定,实现全选或全不选。
zT~ GBC-IX CheckBox chkExport ;
1)NX;CN if( CheckAll.Checked)
(vjQF$Hp {
VPg`vI$(X foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
vVLR9"rHM {
wR/i+,K chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
k<W]VS3N chkExport.Checked = true;
ld[]f*RuW }
NnSI=M }
uW[s? else
c e=6EYl {
miHW1h[= foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
VkhK2 {
Z/uRz]Hi chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
S,S_BB<Y[b chkExport.Checked = false;
7!JoP?! }
h2aJa@;S }
Ok({Al1A,w }
60AX2-sdJ, ~rY<y%K 17.数字格式化
#>ci!4Gz=Z 7qXgHrr0|U 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
&"C1XM <%#Container.DataItem("price","{0:¥#,##0.00}")%>
#8|;Q`Or: rT}d<cSf int i=123456;
o`j%$K4?5 string s=i.ToString("###,###.00");
o<l4}~a N??<3j+Iu 18.日期格式化
T*h+"TmE >cMU<'& 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
S^D ~A8u _W#27I 显示为: 2004-8-11 19:44:28
05pCgI}F> ^ad>
(W 我只想要:2004-8-11 】
6o A0a\G' <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
9R;s;2$. `(B1 "qRi 应该如何改?
a/)TJv x|<|eRYK 【格式化日期】
F/EHU?_EI [S</QS! 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
<!OP b(g2 tg8VFH2q.z 【日期的验证表达式】
1NOz $fW 'OX6eY5 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
S-f3rL[? ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
^<|If:| bR&hI9`%F B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
\HK#d1>ox ^\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]))$
:f/ p5c ^ACp_RM 【大小写转换】
'pm2C6AC HttpUtility.HtmlEncode(string);
@fE^w^K7 HttpUtility.HtmlDecode(string)
cF vGpZ (c[h,>`@: 19.如何设定全局变量
*.nqQhW ^*{xTB57 Global.asax中
v@t*iDa?7 3UN Jj&-` Application_Start()事件中
!&'xkw ` &aF_y_f\ 添加Application[属性名] = xxx;
]&G5/]f A&t'uY6 就是你的全局变量
1@nR.v"$ %74Ms 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
?pF;{ \
I?;% HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
x(=kh%\; ap6Vmp 【ASPNETMENU】点击菜单项弹出新窗口
fnmZJJ,Q LiB0]+wzj 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
)Y
*?VqZn <?xml version="1.0" encoding="GB2312"?>
*V"cu <MenuData ImagesBaseURL="images/">
s~]nsqLt9p <MenuGroup>
'}rDmt~ <MenuItem Label="内参信息" URL="Infomation.aspx" >
s*8hN*A/, <MenuGroup ID="BBC">
D 1hKjB& <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
'Yd%Tb|* <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
Q^p@ 1I ......
MZd\.]G@ *UyV@ 最好将你的aspnetmenu升级到1.2版
TM^1{0;r5 =AKW(v 21.读取DataGrid控件TextBox值
^g[])2", foreach(DataGrid dgi in yourDataGrid.Items)
,^<+5TYM7 {
HRb_ZJz TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Txfb-f!mv\ tb.Text....
(bo bKr }
1I@4xC
#X M5x!84 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?
c~tSt.^WX _N-7H\hF 〖思归〗
v;RQVH;, <asp:TemplateColumn HeaderText="数量">
KqS2 <ItemTemplate>
h?ia4t <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Fb``&-Qm: onkeyup="javascript:DoCal()"
~.@fk}'R />
.nSupTyG yav)mO~QU6 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
c^6`"\X^g </ItemTemplate>
iZSSd{jO </asp:TemplateColumn>
R/Y/#X^b Cir =( <asp:TemplateColumn HeaderText="单价">
Ov<3?)ok <ItemTemplate>
xLD6A5n,[ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
KOmP-q=6 onkeyup="javascript:DoCal()"
,X$Avdc2 />
6Ss{+MF|v }agl:~C <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
g-:)}8d6 8uGPyH </ItemTemplate>
Ffxk] o&%c </asp:TemplateColumn>
qIqk@u Y(:OfC? <asp:TemplateColumn HeaderText="金额">
Z~,.l
<ItemTemplate>
)R +o8C <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
sTA/2d </ItemTemplate>
=3zn
Ta } </asp:TemplateColumn><script language="javascript">
@NHRuk+ function DoCal()
'0O[ dN {
eB\r/B] var e = event.srcElement;
"aBd0i& var row = e.parentNode.parentNode;
z67=v9+7 var txts = row.all.tags("INPUT");
fhY[I0;}$ if (!txts.length || txts.length < 3)
x@Y2jM return;
,|4Ye wU ; f var q = txts[txts.length-3].value;
1 IlR var p = txts[txts.length-2].value;
&Bp\kv |ber:1 if (isNaN(q) || isNaN(p))
R`**!ku return;
#PrV)en wr$}AX q = parseInt(q);
g_>ZE p = parseFloat(p);
-oZac tT8jC:oVa txts[txts.length-1].value = (q * p).toFixed(2);
.#:,j1L"53 }
L~oFW'
</script>
x<Zhj3 9kF#* eb/V}% avpw+M6+ @1@q6@9Tu 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
0`P]fL+& page_load
7XDV=PQ[ page.smartNavigation=true
];I| _fXo% 1SFKP$^ 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 ?
XsOOkf\_ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
C^%zV>o {
!1RV[b.8 for(int i=0;i<e.Item.Cells.Count-1;i++)
p\{+l;` if(e.Item.ItemType==ListItemType.EditType)
lz)"zV {
//
}8HY)> e.Item.Cells.Attributes.Add("Width", "80px")
w}.'Tebu }
I:e2sE
": }
f)zg&Ib F3Y>hs):7 26.对话框
@"I#b99 private static string ScriptBegin = "<script language=\"JavaScript\">";
BY0|exW private static string ScriptEnd = "</script>";
YSV,q@I&1 ?&"^\p public static void ConfirmMessageBox(string PageTarget,string Content)
mU=6"A0
U {
|\a:]SlH string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
KCk?)Qv S(J\<)b ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
mei_aN7zW Idlu1g Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
|sFe:TX ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
|nEVOy>' //Response.Write(strScript);
s\W }
e9W7ke E* `
(D4gPW 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
'%EZoc/U d# 3tQ*G/ 1.1 取当前年月日时分秒
LO]6Xd" currentTime=System.DateTime.Now;
]|N4 #4 QklNw6, 1.2 取当前年
f%{Tu` int 年= DateTime.Now.Year;
Z)
Xs;7 BZ?W>'B%$ 1.3 取当前月
aEDN]O95? int 月= DateTime.Now.Month;
zcB2[eaV C|f7L>qe 1.4 取当前日
"rGOw'!q> int 日= DateTime.Now.Day;
y<`?@(0$ <M,H9^l3 1.5 取当前时
r.W,-%=bL int 时= DateTime.Now.Hour;
rh`.$/^ Yg)V*%0n 1.6 取当前分
M%{?\)s int 分= DateTime.Now.Minute;
h_~|O[5|) R*@[Pg* 1.7 取当前秒
jBv$^L int 秒= DateTime.Now.Second;
2 1~7{# ]zyX@=mM 1.8 取当前毫秒
L)lQ&z? int 毫秒= DateTime.Now.Millisecond;
}[z<iij4 v1r_Z($ 28.自定义分页代码:
b!]0mXU s$Zq/l$1x 先定义变量 :
*e<Eu>fW#& public static int pageCount; //总页面数
fcICFReyV public static int curPageIndex=1; //当前页面
5$oewjLO
^ MT9n 下一页:
ChTXvkdH if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
ch>Vv"G> {
+SQjX7]% DataGrid1.CurrentPageIndex += 1;
kV ,G,wo curPageIndex+=1;
h1XMx'}B }
|:9Ir^ 5}eQaW48 bind(); // DataGrid1数据绑定函数
,k~j6Z um jhG6 上一页:
"]m*816' if(DataGrid1.CurrentPageIndex >0)
v'@b. R, {
*sw-eyn( DataGrid1.CurrentPageIndex += 1;
ns#~}2"d curPageIndex-=1;
_Dj<Eu_ }
23-t$y] h/Hl?O8[ bind(); // DataGrid1数据绑定函数
u<]mv XocsSs 直接页面跳转:
f>r3$WKj int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
rer|k<k;]G %X9b=%'+ if(a<DataGrid1.PageCount)
\V^*44+
<! {
jJVT_8J this.DataGrid1.CurrentPageIndex=a;
&$c5~9p\B }
7':f_] +~d1;0l| bind();
|qlS6Aln x=5P+_ 29.DataGrid使用:
e8WEz
4r_ kT^*>=1 添加删除确认:
ku9@&W+ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
nlzW.OLM {
ALd]1a& foreach(DataGridItem di in this.DataGrid1.Items)
\2Og>{"U {
Xlv#=@;O] if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
:)p)=c8% {
JoCA{Fa} ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
d=XpO*v,[ }
)C
{h1
` }
pp~3@_)b }
]4Y/x i- 5Lsm_"0 样式交替:
lc[XFc ListItemType itemType = e.Item.ItemType;
a}KK{Vqo` `l/:NF if (itemType == ListItemType.Item )
CV&zi6 {
8/3u/ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
dL_QX,X-] e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
[?chK^8 }
=4tO0 else if( itemType == ListItemType.AlternatingItem)
c^=R8y-N {
EZ"bW e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
+z-[s6q2m e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
;1W6"3t-Y }
$Z;B QJVH zF5q=9 4$ 添加一个编号列:
Gg%tVQu DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
fcRj DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
p jKt:R} mG)8U{L for(int i=0;i<dt.Rows.Count;i++)
M$Fth*q{GD {
MO[kr2T dt.Rows["number"]=(i+1).ToString();
$!G` D= }
'>3`rsu upypxC DataGrid1.DataSource=dt;
l'U1
01M>F DataGrid1.DataBind();
AnNPTi akT|Y4KxD DataGrid1中添加一个CheckBox,页面中添加一个全选框
s^w\zz Yb private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
9ilM@SR {
*URdd,){i foreach(DataGridItem thisitem in DataGrid1.Items)
eZg$AOpU {
EeCFII ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
v&fGCD\R }
H]s4% 9T }
W h| L 7*i}km 将当前页面中DataGrid1显示的数据全部删除
S%kS#U${| foreach(DataGridItem thisitem in DataGrid1.Items)
Sx8l<X {
&p5&=zV} if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
{j?7d; 'j {
RqXi1<6j# string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
]pnYvXf>! Del (strloginid); //删除函数
v~"Ef_` }
|rMq;Rgu? }
n)#Lh
7X" @\)fzubu 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)
9e~WK720= Z_FNIM0f 在Application_Start中添加以下代码:
c/
_yMN Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
-vV'Lw( AppSettings["ConnStr"].ToString();
/D[dO6. 2F1ZAl 31. 变量.ToString()
*g1L$FBG dK.R[aQ 字符型转换 转为字符串
6xarYh( 12345.ToString("n"); //生成 12,345.00
iJ)0Y~ 12345.ToString("C"); //生成 ¥12,345.00
&<Mt=(qY1 12345.ToString("e"); //生成 1.234500e+004
#{x5L^v>] 12345.ToString("f4"); //生成 12345.0000
@l~7x 12345.ToString("x"); //生成 3039 (16进制)
"tL2F*F"6X 12345.ToString("p"); //生成 1,234,500.00%
7 _g+^e-" >AG^fUArH 32、变量.Substring(参数1,参数2);
"9@,l! cZ|lCy^ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
[Ct=F| ,/&Z3e 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
@`w n<%o$ <SCRIPT language="javascript">
OV[`|<C ' <!--
>
\3ah4"o function gook(pws)
D`VFf\7 {
Vclr2]eV4O frm.submit();
xc;DdK=1X }
M)JADX //-->
+I52EXo BwxnDe G) </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
_A 2Lv]vfV <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
jWvtv ng <tr>
B'}"AC" <td>
+8AvTSgX% <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
LkBZlh_ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
WPo:^BD <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Ox qguT, -[DWM2C$K4 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
@2
=z}S3O <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
\9)#l#m 9#k0_vDoW </td>
p@ygne4
*N F$1 </tr>
3qi_]*dD
XP-C </form>
|]W2EV ,b #?Mj$ZB 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。
b5pMq$UVL ~Ky4+\6o> 下面是获取用户输入的登陆信息的代码:
!][F string name;
)(m0cP{7 name=Request.QueryString["EmailName"];
7,'kpyCj ?NG=8.p try
+=eR%|!@ {
51 b y int a=name.IndexOf("@",0,name.Length);
+Ok%e.\ZM f_user.Value=name.Substring(0,a);
6|!NLwa f_domain.Value=name.Substring(a+1,name.Length-(a+1));
{38\vX,I(w f_pass.Value=Request.QueryString["Psw"];
Z\? E3j }
aV6#t*\J c%f_.MiU catch
"DQ'C%sL9 {
^Ga&}- Script.Alert("错误的邮箱!");
%=Tr^{i Server.Transfer("index.aspx");
;..o7I }