1. 打开新的窗口并传送参数:
_my"%@n ~"dA~[r
L 传送参数:
o-;E>N7t response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
w^(<N7B3T "vA}FV%tRq 接收参数:
liEPCWl& string a = Request.QueryString("id");
-VZ-<\uH string b = Request.QueryString("id1");
?=>+LqP ;g8R4!J 2.为按钮添加对话框
siXr;/n" Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Wi>!{.}%A button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
.ELGWF`> R{RwTN< 3.删除表格选定记录
r[1i*b$ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
]I-Z]m" string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
>d~WH@o`G IOTR/anu 4.删除表格记录警告
8 m5p_\& private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ot@|!V {
hZ[E7=NTQ^ switch(e.Item.ItemType)
^<;V]cY` {
Y_}mYvJW case ListItemType.Item :
rL/H2[d case ListItemType.AlternatingItem :
Gn&-X]Rrl case ListItemType.EditItem:
^L0d/,ik TableCell myTableCell;
o5xAav"+> myTableCell = e.Item.Cells[14];
)64@2~4y LinkButton myDeleteButton ;
S2n39 3 myDeleteButton = (LinkButton)myTableCell.Controls[0];
nv)2!mAh\ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
@|LBn6q break;
ilK-?@u+ default:
Z:ni$7<. break;
'[J<=2& }
^?$WVB dlU'2Cl7d }
b:=TB0Fx?n qe #P?[ 5.点击表格行链接另一页
y'FS/=u>0 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|M8WyW {
)=\#UE+W //点击表格打开
w0|gG+x jS if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
}
$uxJB e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
6Z#\CixG }
JB ZUv )v]/B+ 双击表格连接到另一页
=81@o,1w QF-LU
在itemDataBind事件中
.udv"?!z if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6``'%S'# {
*"WDb|PBb string OrderItemID =e.item.cells[1].Text;
f}Np/ ...
PN0VQ/.. e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
RlheQTJ }
!E,A7s {*[\'!d--. 双击表格打开新一页
$p#%G#T if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~ns7O {
3k|oK'l string OrderItemID =e.item.cells[1].Text;
fR)m%m ...
qzI&<4 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
?6(I V] }
[~kdPk vy_D>tp ★特别注意:【?id=】 处不能为 【?id =】
{D?50Q 6.表格超连接列传递参数
{n/uh0>f* <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
AgOp.~*Z~V <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
n8uv#DsdK 5K^69mx 7.表格点击改变颜色
.~Fp)O:! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^
"i l}8` {
.fN"@l e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
_$wmI/_JM this.style.color=’buttontext’;this.style.cursor=’default’;");
#Y0-BYa^ }
-od!J\KCy XO-Prs 写在DataGrid的_ItemDataBound里
xY+VyOUs if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
y_*PQZ$c< {
+j(d| L\ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
T21ky>8E this.style.color=’buttontext’;this.style.cursor=’default’;");
D'L'#/hK e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
_<=S_<$2 }
Vw#_68EybM o;W`4S^ YY&l?*M< 8.关于日期格式
rgSOS-ox 1QcT$8HA 日期格式设定
%FS$zOsgGK DataFormatString="{0:yyyy-MM-dd}"
'"?C4mbSl %9k!A]KD 我觉得应该在itembound事件中
2pzF5h e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
<&&SX; ,*&G1|_6 9.获取错误信息并到指定页面
uch>AuF: ZA Jp% 不要使用Response.Redirect,而应该使用Server.Transfer
JC}f-%H?K Y4cYZS47 e.g
n6*En7IVh // in global.asax
-6tgsfEr protected void Application_Error(Object sender, EventArgs e) {
VA"*6F if (Server.GetLastError() is HttpUnhandledException)
:l2g# * c Server.Transfer("MyErrorPage.aspx");
2RqbrY n zaFt*~@X //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
HQUeWCN }
Mmo6MZ^ -29gL_dk. 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
%'xb%`t R*oXmuOsYA 10.清空Cookie
p}|.ZkyN Cookie.Expires=[DateTime];
\S*$UE]uG Response.Cookies("UserName").Expires = 0
L4b:F0 cXR1grz 11.自定义异常处理
JXixYwm //自定义异常处理类
E,wVe[0)f using System;
"+z?x~rk using System.Diagnostics;
[F_/2+e ~%/Wupf namespace MyAppException
?9HhG?_x {
DbZ0e5 /// <summary>
Ja]?&j /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Cv>o.Bp| /// 自动将异常内容记录到Windows NT/2000的应用程序日志
\.f}W_OF /// </summary>
a8dXH5_ public class AppException:System.ApplicationException
65oWD- {
Wxkx,q? public AppException()
c(U {
8K;Y2
# if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
-UZ@G~K }
kF{*(r=.o )-Ej5'iHr public AppException(string message)
Q\Gq|e* {
j} F-Xs+ LogEvent(message);
6cdMS[_SD( }
B_ja&) !s1 tp:\j@dB public AppException(string message,Exception innerException)
5tv<8~:K {
]WUC:6x LogEvent(message);
vBvNu<v7te if (innerException != null)
'.Ym!r~wL {
c=[q(|+O! LogEvent(innerException.Message);
Nwc!r( }
U{~SXk'2+ }
kvGCbRC QC0!p" //日志记录类
`W `0Fwu9 using System;
{ub/3Uh using System.Configuration;
=s}Xy_+: using System.Diagnostics;
F_ 7H!F using System.IO;
m,> using System.Text;
tfkr+
/ using System.Threading;
3+xy4G@L z *9FlV namespace MyEventLog
kax\h {
K"<*a"1I /// <summary>
`Zz uo16 /// 事件日志记录类,提供事件日志记录支持
%8)W0WMe /// <remarks>
G{x[uE2X&f /// 定义了4个日志记录方法 (error, warning, info, trace)
.5> 20\b2 /// </remarks>
Y'`"9Db /// </summary>
Q0_>'sEM public class ApplicationLog
|%D%0TR&Q {
Rt(J/%; /// <summary>
LS.r%:$mb /// 将错误信息记录到Win2000/NT事件日志中
0nW F /// <param name="message">需要记录的文本信息</param>
Vv*NFJ | /// </summary>
%*z-PT22 public static void WriteError(String message)
gJ3c; {
?4z8)E9Ju WriteLog(TraceLevel.Error, message);
6'OO-o }
kGN||h 4B-yTyO /// <summary>
b
X)|MiWI /// 将警告信息记录到Win2000/NT事件日志中
:a3LS|W /// <param name="message">需要记录的文本信息</param>
7;LO2<|1 /// </summary>
uCzii o`S public static void WriteWarning(String message)
.dq
"k {
!0 Q8iW: WriteLog(TraceLevel.Warning, message);
*/ OI*{Q }
jB@4b'y )QY![&k}1z /// <summary>
ErbSl /// 将提示信息记录到Win2000/NT事件日志中
^uaFg`S /// <param name="message">需要记录的文本信息</param>
=^h~!ovj: /// </summary>
GVd48 * public static void WriteInfo(String message)
b>cafu {
~%y\@x7I WriteLog(TraceLevel.Info, message);
}uX|5&=~f }
fk5XvL /// <summary>
K]N~~*`%` /// 将跟踪信息记录到Win2000/NT事件日志中
's@MQ!
* /// <param name="message">需要记录的文本信息</param>
OM96` /// </summary>
X<MpN5%|Wo public static void WriteTrace(String message)
+lp{#1q0 {
Iao[Pyk WriteLog(TraceLevel.Verbose, message);
g0#q"v55 }
U6WG?$x ,5-Zb3\ /// <summary>
D6=HYqdj /// 格式化记录到事件日志的文本信息格式
4nX(:K}> /// <param name="ex">需要格式化的异常对象</param>
d><fu]' /// <param name="catchInfo">异常信息标题字符串.</param>
w@N{@tG /// <retvalue>
R40W'N1%q /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
b%0BkS* /// </retvalue>
=Nl5{qYz^& /// </summary>
b!~TAT&8 public static String FormatException(Exception ex, String catchInfo)
l]vohLz
3! {
QTh0SL StringBuilder strBuilder = new StringBuilder();
H2\1gNL if (catchInfo != String.Empty)
'yT`ef {
mrnxI#6 strBuilder.Append(catchInfo).Append("\r\n");
DJ:38_ F }
g.*&BXZi strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
u
2lXd' return strBuilder.ToString();
T8q[7Zn }
3}M\c) Rkv /// <summary>
my[,w$YM /// 实际事件日志写入方法
j:?N!*r= /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
]IXAucI] /// <param name="messageText">要记录的文本.</param>
T{ nQjYb? /// </summary>
Z}f^qc+ private static void WriteLog(TraceLevel level, String messageText)
;qVG
\wQq {
^?Vq L\V5 try
JTkCk~bX[z {
s*{mT6s+T EventLogEntryType LogEntryType;
D5[VK`4Z switch (level)
(1y='L2rj {
B}k'@;G case TraceLevel.Error:
gN\*Y LogEntryType = EventLogEntryType.Error;
):}Fu break;
x#o?>5Qg? case TraceLevel.Warning:
b.6ZfB,+G LogEntryType = EventLogEntryType.Warning;
$nc, ?)i! break;
_s@bz|yqw case TraceLevel.Info:
"0<Sd?Sz LogEntryType = EventLogEntryType.Information;
s9:%s*$u break;
|<QI%Y$dr case TraceLevel.Verbose:
.='3bQ(UZ4 LogEntryType = EventLogEntryType.SuccessAudit;
y$v@wb5 break;
$*aE$O6l default:
1[[TB .xF LogEntryType = EventLogEntryType.SuccessAudit;
iZu:uMoc break;
X#Ak'%J }
@!-aR u |#:=\gugh EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Cl-S=q@>V //写入事件日志
E.U0qK], eventLog.WriteEntry(messageText, LogEntryType);
Flne=ij6g 1uY3[Z9S }
lxCX-a`@p catch {} //忽略任何异常
a]{uZGn@i }
s?~8O|Mu' } //class ApplicationLog
oFwG+W/ }
QQSH + D@}St:m} 12.Panel 横向滚动,纵向自动扩展
Y]M^n&f <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
}^IwQm*i vx PDC~3; 13.回车转换成Tab
L;4[ k;5 <script language="javascript" for="document" event="onkeydown">
#%:`p9p.S if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
@-}D7? event.keyCode=9;
.<0=a|IAz </script>
8Yo-~,Gb CL
EpB2_ onkeydown="if(event.keyCode==13) event.keyCode=9"
[}jj<!9A_; 0I(uddG3 14.DataGrid超级连接列
JgxE|#*7U DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
^!$}
BY -qs(2^ 15.DataGrid行随鼠标变色
d.LOyO private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|R[v@c`pn {
g?w2J6Z.`J if (e.Item.ItemType!=ListItemType.Header)
e~tr^$/ ( {
rsd2v9 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
DN4fP-m- e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
s$js5
ou }
"sz.v<F0:s }
z"G`o"4
V YJ&lB&xH 16.模板列
W?SP .-I <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Wg}B@:`T <ITEMTEMPLATE>
bbfDt^ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
"$`wk </ITEMTEMPLATE>
fF8a 1XV </ASP:TEMPLATECOLUMN>
UY?i E= j;1~=j]) <ASP:TEMPLATECOLUMN headertext="选中">
%s~NQ;Y <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
+Q@/F~1@6@ <ITEMTEMPLATE>
va`l*N5 <ASP:CHECKBOX id="chkExport" runat="server" />
Bf D,z </ITEMTEMPLATE>
J=f:\]@Oy <EDITITEMTEMPLATE>
m_{%tU;N <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
O;"*_Xq(` </EDITITEMTEMPLATE>
3K=q)| </ASP:TEMPLATECOLUMN>
cq'}2pob lM@<_=2 后台代码
W\ 1bE(AwZ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Pg!;o=
{M {
7yq7a[Ra //改变列的选定,实现全选或全不选。
aB$y+`f)@ CheckBox chkExport ;
2b6? 9FX* if( CheckAll.Checked)
t
1Ir4 {
3{2^G@j foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
b0~H>cnA {
.IW_DM- chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Wx']tFn" chkExport.Checked = true;
Z@>=& }
STFQ";z$ }
#{)r*"% else
imJ[:E {
=sUl`L+w,L foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
8%vh6$s6/ {
xN{"%>Mx chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
q 2_N90u chkExport.Checked = false;
Vid{6?7kh }
IF36K^K }
${E[pT }
5vUz #x4h_K
Y 17.数字格式化
P/C+L[X= &*>CPO 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
!yV,|)y5F <%#Container.DataItem("price","{0:¥#,##0.00}")%>
@aqd'O |5<&r]xN int i=123456;
EL 8N[]RF string s=i.ToString("###,###.00");
M<#)D -A-hxK*^ 18.日期格式化
U'Ja\Ek/f I\Gp9w0f 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
9A *?E 5Sm 5jRr 显示为: 2004-8-11 19:44:28
r:WgjjA% Bp$+ F/ 我只想要:2004-8-11 】
*1o+o$hY2 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
5E\<r/FeJ R+kZLOE 应该如何改?
JK:mQ_ C<wj?!v,F[ 【格式化日期】
d=4f`q0k VkN[=0a, 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
cyHak u+ /_VRO9R\V 【日期的验证表达式】
{!{7zM%u0C $!l2=^\3 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
eMm~7\
R ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
_r?;lnWx@ u7Y'3x,` B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
fN"oa>X ^\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]))$
[K)1!KK,L c~L6fvS 【大小写转换】
!6tC[W` HttpUtility.HtmlEncode(string);
WRcFE< HttpUtility.HtmlDecode(string)
|3<ehvKy SJ~I
r# 19.如何设定全局变量
WKrZTPD'm uVuToMCp Global.asax中
{OhkuON VG'( Application_Start()事件中
kX ,FQG> ]6VUqFO) 添加Application[属性名] = xxx;
n0_Az2 -g[*wN8 就是你的全局变量
X+gz+V/ 7f\^VG 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
\2<yZCn Bc|x:#`C\{ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
b
gc<)= 55\X\>
0C7 【ASPNETMENU】点击菜单项弹出新窗口
DN8pJa gJGBD9wC 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
vs0H^L <?xml version="1.0" encoding="GB2312"?>
1uge>o& <MenuData ImagesBaseURL="images/">
@H# kvYWmn <MenuGroup>
x"wM_hl5L <MenuItem Label="内参信息" URL="Infomation.aspx" >
4TQISu) <MenuGroup ID="BBC">
?-F'0-t4% <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
~Ro:mH:w <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
~Yz/t ......
wCTR-pL^ K<L%@[gi 最好将你的aspnetmenu升级到1.2版
sV'.Bomq POg0=32 21.读取DataGrid控件TextBox值
'lRHdD}s foreach(DataGrid dgi in yourDataGrid.Items)
?a0}^:6 {
ccRk4xR TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
7n95>as tb.Text....
8`~3MsE" }
s=~7m.m KZ}4<{3 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?
iCSM1W3 4"X>_Nt6 〖思归〗
GN;XB b]w <asp:TemplateColumn HeaderText="数量">
.@3u3i64' <ItemTemplate>
b oOw
K? <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
z57papo onkeyup="javascript:DoCal()"
?ZV0
/>
e(\S,@VN2 |ShRxE3@' <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
iY'hkr w </ItemTemplate>
x-#9i </asp:TemplateColumn>
pbvEIa-Y4 !>@V#I <asp:TemplateColumn HeaderText="单价">
ulSTR f <ItemTemplate>
8oH54bFp <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
%y\7 onkeyup="javascript:DoCal()"
DJ[#H />
+}0*_VW Tc(v\|F, <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
.F3LA6se 2,Dc]oj </ItemTemplate>
molowPI </asp:TemplateColumn>
`6sQlCOnF *B<I> <'G <asp:TemplateColumn HeaderText="金额">
W!B4<'Fjc <ItemTemplate>
;k%sKVP <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
QIV~)`; </ItemTemplate>
X/7_mU>aKT </asp:TemplateColumn><script language="javascript">
ye7&y4v+ function DoCal()
y]Tn#4 ,/ {
1p<?S}zg@ var e = event.srcElement;
hGXDu;{ var row = e.parentNode.parentNode;
t-(7Q8( var txts = row.all.tags("INPUT");
xa0%;nFKe if (!txts.length || txts.length < 3)
7[1
R}G V return;
g uWqHVSs +5mkMZ var q = txts[txts.length-3].value;
Qu\l$/ var p = txts[txts.length-2].value;
|3@Pt>Ikl oP75|p if (isNaN(q) || isNaN(p))
FN`kSTm*0! return;
es FL<T D?F5o^e"h< q = parseInt(q);
O~0
1)% p = parseFloat(p);
BD#;3?| ^v5hr>m txts[txts.length-1].value = (q * p).toFixed(2);
l>?vjy65 }
<Pt\)"JA </script>
:{Z^ _;Tf M':.b+xN 6e|5qKr ?R:Hj=. ;<<IXXKU 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。
ahv=HWX k page_load
{Dq51 page.smartNavigation=true
i~L7h=__ ADz|Y~V! 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 ?
yuX0Y{:I private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
>G~;2K[ {
uhLmyK for(int i=0;i<e.Item.Cells.Count-1;i++)
}rZ=j6Z
if(e.Item.ItemType==ListItemType.EditType)
bM3e7olWS {
t O>qd#I e.Item.Cells.Attributes.Add("Width", "80px")
LXV6Ew5E }
dtl< }
oU? X"B9 CI'5JOqP 26.对话框
>GUTno$J private static string ScriptBegin = "<script language=\"JavaScript\">";
x&Rp
m<4 private static string ScriptEnd = "</script>";
4]KceE b;l%1x9r public static void ConfirmMessageBox(string PageTarget,string Content)
[rsAY&. {
0O4mA&&!oK string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
':$a6f &T ev
>9P ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
sTyGi1 xII!2. Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
pBkPn+@ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
/WVMT]T6^, //Response.Write(strScript);
%b6wo?%* }
B=`! {piS3xBi 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
r
|/9Dn% 0fU>L^P_? 1.1 取当前年月日时分秒
IA` currentTime=System.DateTime.Now;
JN)t'm[kyE 9t1_"{'N1 1.2 取当前年
k<H&4Z)d9 int 年= DateTime.Now.Year;
xE_[=7= @oNrR$7 1.3 取当前月
[y>.)BU int 月= DateTime.Now.Month;
S(l^TF U+
=q_ < 1.4 取当前日
a\E]ueVD2j int 日= DateTime.Now.Day;
]du~V?N
etVE8N' 1.5 取当前时
|0-L08DW int 时= DateTime.Now.Hour;
p4 PFoFo2 f *vziC<m 1.6 取当前分
1S:H!h3 int 分= DateTime.Now.Minute;
[:qX3"B PV2904 1.7 取当前秒
is$d<Y&F int 秒= DateTime.Now.Second;
tEj5WEnNE8 0
CS_- 1.8 取当前毫秒
H<"j3qt int 毫秒= DateTime.Now.Millisecond;
uItKs u \Y$NGB=2[ 28.自定义分页代码:
w=$_',5#Z ]\U'_G2] 先定义变量 :
m/AN*`V public static int pageCount; //总页面数
CiSG=obw public static int curPageIndex=1; //当前页面
d?n~9_9e vI@8DWs 下一页:
*#_jTwQe if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
9^tyjX2 {
6BnjT DataGrid1.CurrentPageIndex += 1;
-E1}mL}I` curPageIndex+=1;
AdNsY/ Y( }
3^Y-P8.zdB x@=7M'vr% bind(); // DataGrid1数据绑定函数
Z"jo
xZ I
f(_$> 上一页:
:>k\uW if(DataGrid1.CurrentPageIndex >0)
DH%X+r {
iu 'yB DataGrid1.CurrentPageIndex += 1;
]{hfM curPageIndex-=1;
vhC"f* }
y~fy0P:T ?:E;C<Ar bind(); // DataGrid1数据绑定函数
fu/c)D6u*m q3:tZoeXV 直接页面跳转:
o>YRKb int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
'};Xb|msU RUEUn if(a<DataGrid1.PageCount)
fOJyY[ {
/%)J+K) this.DataGrid1.CurrentPageIndex=a;
A{QS+fa/ }
v:chr$>j5 Z&%61jGK bind();
?6Gq & w%ForDB>P 29.DataGrid使用:
>Ry4Cc 8HzEH-J
添加删除确认:
4{Iz\:G:{/ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
iAN#TCwLT7 {
Q|>y2g! foreach(DataGridItem di in this.DataGrid1.Items)
wv<"W@& 9 {
(.c?)_G, if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
.f}I$ "2 {
}IV7dKzl ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
0ode&dB }
eg3{sDv, }
Y4_i=}\*vf }
(<ejJPWT
G~JQcJFj 样式交替:
$j:0*Z=> ListItemType itemType = e.Item.ItemType;
>4Lb+] . &e,8 if (itemType == ListItemType.Item )
j_}e%,} {
/4|qfF3 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
~&pk</Dl e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
SbB5J> >7J }
w4OVfTlN else if( itemType == ListItemType.AlternatingItem)
n8?gZ` W {
qRU8uu e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
fROhn}<**[ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
6} 9A0 }
xzy9~))o i_MDLS>- 添加一个编号列:
9+L!
A DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
lU@ni(69d DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
W4N$]D= vs.q<i-u for(int i=0;i<dt.Rows.Count;i++)
MW p^. {
Bp}<H<@ dt.Rows["number"]=(i+1).ToString();
#i~.wQ$1 }
|h.he_B+7 Tj>~#~ DataGrid1.DataSource=dt;
40Du*5M DataGrid1.DataBind();
)q#b^( v 0s4%22 DataGrid1中添加一个CheckBox,页面中添加一个全选框
HMBxj($eR private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
yXDf;`J {
7OT}V}iP foreach(DataGridItem thisitem in DataGrid1.Items)
PPohpdd) {
bJ9>,,D ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
gP<l }
TIS}'c'C }
qD%Jf4.0j 5:O"T 将当前页面中DataGrid1显示的数据全部删除
u%&zY97/ foreach(DataGridItem thisitem in DataGrid1.Items)
Xh){W~- {
gvz&ppcG if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Ij#?r2Z% {
Pj+XKDV]T string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
bj7v <G|Y Del (strloginid); //删除函数
8TuOf(qE }
7XdLZ4ub }
kRG-~'f%` ji">} - 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)
Byon2| nf7 GCc@
:*4[ 在Application_Start中添加以下代码:
]{dg"J Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
P E.^!j AppSettings["ConnStr"].ToString();
z )k\p'0" A`IE8@&Z' 31. 变量.ToString()
yay{lP}b" J5IQ 字符型转换 转为字符串
U2!9Tl9". 12345.ToString("n"); //生成 12,345.00
Uw4KdC 12345.ToString("C"); //生成 ¥12,345.00
J}lBKP:-* 12345.ToString("e"); //生成 1.234500e+004
h@l5MH=|% 12345.ToString("f4"); //生成 12345.0000
J,k9?nkY / 12345.ToString("x"); //生成 3039 (16进制)
jiz"`,-},O 12345.ToString("p"); //生成 1,234,500.00%
y~;Kf0~ |odl~juU 32、变量.Substring(参数1,参数2);
oT.g@kf=H )mJl-u[0+ 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);
9V("K l[.RnM[v 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)
D24@lZ`g~ <SCRIPT language="javascript">
b=.Ikt+y <!--
|5`z;u7V function gook(pws)
:*#I1nb$ {
;L++H5Kz6 frm.submit();
DTPYCG&% }
ho;Km //-->
*tO7A$LDT %YA=W=Yd </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
r( :"BQ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
}5FdX3YR <tr>
PO]z'LD <td>
D8qZh1w%A| <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
jv?`9{- <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Fz~-m# Ts <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
f_7a) 'V4 SX$v&L< <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
-(ABQgSO] <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Z@=#ry ?,O{,2} </td>
mn)kd Ft#d&
I </tr>
m:.ywiw= MkF:1-=L </form>
#B_
``XV ,?P @ :S<8 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。
]]J2#mN:n g,@0 ;uVq 下面是获取用户输入的登陆信息的代码:
Jo1n>Mo-j string name;
hqmKUlo name=Request.QueryString["EmailName"];
C2<!.l ^Bf@ I try
)#N)w5DU {
6V
KsX+sd int a=name.IndexOf("@",0,name.Length);
}PTYNidlR f_user.Value=name.Substring(0,a);
!U/iY%NE f_domain.Value=name.Substring(a+1,name.Length-(a+1));
M1^,g~e f_pass.Value=Request.QueryString["Psw"];
Y.$'<1 }
2j+v\pjYC %qfql catch
qM~ev E$% {
Q-k{Lqa- Script.Alert("错误的邮箱!");
\cP\I5IW:s Server.Transfer("index.aspx");
W9D]s~bO; }