1. 打开新的窗口并传送参数:
)x-iru
A: 0.-2FHc9L 传送参数:
J}qk:xGL response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
aU3
m{pE "]ow1{ 接收参数:
-So&?3,\A@ string a = Request.QueryString("id");
[g_Cg=J string b = Request.QueryString("id1");
Z_Ox ' O1Gd_wDC/i 2.为按钮添加对话框
nl|}_~4U Button1.Attributes.Add("onclick","return confirm(’确认?’)");
mKwhd} V button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
9qe6hF/29
f$mfY6v 3.删除表格选定记录
7CzZHkTg int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
AfG!(AF` string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Y%b
5{1 Y B@\"|} 4.删除表格记录警告
1o7
pMp= private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
#e0tT+ {
!6ZkLE[XJ< switch(e.Item.ItemType)
3VbQDPG {
%Ysu613mz case ListItemType.Item :
+pJ;}+ case ListItemType.AlternatingItem :
ysfR@ sH7 case ListItemType.EditItem:
W
xyQA:3s TableCell myTableCell;
yf! myTableCell = e.Item.Cells[14];
@4m_\]Wy LinkButton myDeleteButton ;
AA9OElCa
myDeleteButton = (LinkButton)myTableCell.Controls[0];
:2?J#/o myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
<L@0w8i` break;
d{@X-4k: default:
YBN.
waL break;
b+\jFGC%6= }
0s:MEX6w| P$Y<
g/s4 }
y@J]busU lcij}-z:%e 5.点击表格行链接另一页
P8e1J0A private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[1'`KJ] {
pJx88LfR
//点击表格打开
\BaN?u)a if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Re('7m h~ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
`,4"[6S }
FfN==2:b ~wIVw} 双击表格连接到另一页
o;mXk2 Zgo^M,g 在itemDataBind事件中
JY#IeNL if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
vbmSbZ"y {
2"C'Au string OrderItemID =e.item.cells[1].Text;
!SIGzj ...
AZxx%6 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
A"k6n\!n; }
_/ZIDIn 'MPt K 双击表格打开新一页
)+Wx!c,mb if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
HFBGM\R02 {
A0yRA+ string OrderItemID =e.item.cells[1].Text;
u#?K/sU ...
to^ &: e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
D Y($ }
5UR$Pn2a2 7rc^-!k ★特别注意:【?id=】 处不能为 【?id =】
`h(JD$w 6.表格超连接列传递参数
@0?Mwy! <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
|cJyP9}n <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
' eO4h^ 1agyT 7.表格点击改变颜色
eb2~$ ,$ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3Ec5:Caz {
Q3\j4;jI( e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
F'W{\4 this.style.color=’buttontext’;this.style.cursor=’default’;");
oL#^=vid" }
',`iQt!Lx (1fE^KF@f 写在DataGrid的_ItemDataBound里
4hg]/X"H# if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3'O+ {
\&]'GsfF e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
cUaLv1:HI this.style.color=’buttontext’;this.style.cursor=’default’;");
R~CQ=KQ. e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
eCMcr !. }
?UoA'~= :#"gQ^YNp afv?z 8.关于日期格式
q i}HJkOq Zgt, 'T 日期格式设定
Miqu DataFormatString="{0:yyyy-MM-dd}"
0O+s3#"?@ b4!(~"b. 我觉得应该在itembound事件中
?C//UN; e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
.GM&]Hb EYd`qk3 9.获取错误信息并到指定页面
+?[TH?2c+ Z,qo
jtw 不要使用Response.Redirect,而应该使用Server.Transfer
zht^gOs U2=5Nt5 e.g
0K`3BuBs // in global.asax
@3c5" protected void Application_Error(Object sender, EventArgs e) {
?3kfhR if (Server.GetLastError() is HttpUnhandledException)
U5z^R>k Server.Transfer("MyErrorPage.aspx");
y. @7aT5 BbA>1#i5] //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
%+ig7a: }
@a)@1:=Rm kYl$V= Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
mfQQ<Q@ NQ !t ` 10.清空Cookie
;#I(ucB< Cookie.Expires=[DateTime];
-RVwPY Response.Cookies("UserName").Expires = 0
XgP7
! Xz4!#,z/ 11.自定义异常处理
v2G_p|+O //自定义异常处理类
]T}G - using System;
u^|XQWR$: using System.Diagnostics;
@>B#2t& `MlQPLH namespace MyAppException
kB_G L>fc {
l|^p;z:d /// <summary>
BhLYLlXPY /// 从系统异常类ApplicationException继承的应用程序异常处理类。
\/la`D /// 自动将异常内容记录到Windows NT/2000的应用程序日志
` QXO+'j4 /// </summary>
t8\F7F P public class AppException:System.ApplicationException
+'2Mj|d@p {
gpVZZ:~ public AppException()
@zB {Ig {
*4Y1((1k if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Dr$k6kZ}'U }
63QMv[`, v#@"Evh7 public AppException(string message)
T|Sz~nO}f {
{*ATY+ LogEvent(message);
D3$PvX[f }
3bu VU&ap @bOhnd#W public AppException(string message,Exception innerException)
EA|*|o4) {
&Vg+n0 LogEvent(message);
iUFS1SN \ if (innerException != null)
$Lv,e\] {
7f#e#_sM; LogEvent(innerException.Message);
>K1)XP }
RmY5/IYR|: }
_,"T;i 'U.)f@L#w //日志记录类
O;9u1,%w using System;
*?Nrx=O* using System.Configuration;
MzL^u8 using System.Diagnostics;
|)* K#%j using System.IO;
b4ZZyw using System.Text;
8s-y+M@. using System.Threading;
R22YKXU 7/a[;`i*! namespace MyEventLog
0z #'=XWk {
_?M34&.X /// <summary>
6x)7=_:0 /// 事件日志记录类,提供事件日志记录支持
P {i\x# /// <remarks>
ynvU$}w ~' /// 定义了4个日志记录方法 (error, warning, info, trace)
Hgu$)yhlj /// </remarks>
f
<fa+fB /// </summary>
g&!UaJ[#9 public class ApplicationLog
Hdw;=]- {
Z,)4(#b = /// <summary>
!?Gt5$f /// 将错误信息记录到Win2000/NT事件日志中
?OW
4J0B' /// <param name="message">需要记录的文本信息</param>
/17Qhex /// </summary>
u n\!K public static void WriteError(String message)
BaZ$p O^ {
'FgBYy/ WriteLog(TraceLevel.Error, message);
P}29wr IZ }
8om6wALXB /W1!mih /// <summary>
t6m3lq{ /// 将警告信息记录到Win2000/NT事件日志中
?1*Ka /// <param name="message">需要记录的文本信息</param>
0_q8t!<xJw /// </summary>
.T
6NMIp* public static void WriteWarning(String message)
=e](eA; {
y<0zAsT WriteLog(TraceLevel.Warning, message);
QMLz }
1"YN{Ut;G n/6#rj^$ /// <summary>
NY
756B*
/// 将提示信息记录到Win2000/NT事件日志中
Y<-h#_ /// <param name="message">需要记录的文本信息</param>
FeoI+KA /// </summary>
c[J?`8 public static void WriteInfo(String message)
gI "ZhYI {
4l7TrCB WriteLog(TraceLevel.Info, message);
c.dk4v%Y5 }
1DgRV7 /// <summary>
WvR-0>E /// 将跟踪信息记录到Win2000/NT事件日志中
z/!LC;( /// <param name="message">需要记录的文本信息</param>
I{tY;b'w /// </summary>
7/+I"~ public static void WriteTrace(String message)
;$,=VB:' {
Swz{5 J2C WriteLog(TraceLevel.Verbose, message);
O2;FaASF }
O42`Z9oK ">cLPXX /// <summary>
"5
;fuM1 /// 格式化记录到事件日志的文本信息格式
w^z5O6 /// <param name="ex">需要格式化的异常对象</param>
,`PC^`0c}o /// <param name="catchInfo">异常信息标题字符串.</param>
3.+TM]RYN /// <retvalue>
.7&V@A7 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
U{i xok /// </retvalue>
IR;l{q&` /// </summary>
vZ,DJ//U, public static String FormatException(Exception ex, String catchInfo)
q\s"B.(G" {
2 j.6 StringBuilder strBuilder = new StringBuilder();
:No`+X[Kq if (catchInfo != String.Empty)
DmU,}]#: {
>RJjm&M strBuilder.Append(catchInfo).Append("\r\n");
*/c4b:s }
Lh%z2 5t strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
v+Eub;m return strBuilder.ToString();
@~ k4,dJ }
,1/O2aQ%\0 9$[6\jMh /// <summary>
oC
?UGY~xL /// 实际事件日志写入方法
\4Uhc3 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
!C\$=\$ /// <param name="messageText">要记录的文本.</param>
9d&@;&al /// </summary>
-p.c8B private static void WriteLog(TraceLevel level, String messageText)
ypU-/}Cf, {
dUN{@a\R0 try
$B%wK`J {
}Q$}LR@ EventLogEntryType LogEntryType;
(xpt_]Q!H switch (level)
J^<Gi/:*^ {
fF6bEJl3 case TraceLevel.Error:
/]j^a:#"6t LogEntryType = EventLogEntryType.Error;
C7*n<+e break;
:I_p4S.) case TraceLevel.Warning:
r$[`A_ LogEntryType = EventLogEntryType.Warning;
{uUV(FzF6 break;
r1<dZtb case TraceLevel.Info:
M[ {O%! LogEntryType = EventLogEntryType.Information;
YI+ clh;%9 break;
Kb X&E0 case TraceLevel.Verbose:
-t]3 gCLb LogEntryType = EventLogEntryType.SuccessAudit;
m`i_O0T break;
88Nx/:#Y* default:
'8J!(+ LogEntryType = EventLogEntryType.SuccessAudit;
YRg"{[+#]k break;
;~D$rT }
yFoPCA86y Hlhd6be EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
}NjZfBQW` //写入事件日志
IiU\}<O eventLog.WriteEntry(messageText, LogEntryType);
EfX\" y lfvt9!SJ+/ }
8[b_E5!V catch {} //忽略任何异常
ES-V'[+jDy }
9|D*}OY> } //class ApplicationLog
e5RF6roxO }
Q":,oZ2 /< k&[ 12.Panel 横向滚动,纵向自动扩展
wE[gp+X~ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
d|#&j." Sq&r
; 13.回车转换成Tab
ZnKjU ]m <script language="javascript" for="document" event="onkeydown">
IG+g7kDCY if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
JBhM*-t(M1 event.keyCode=9;
mT:NC'b<9 </script>
vtq$@#?~ b ;b{yu| onkeydown="if(event.keyCode==13) event.keyCode=9"
kEgpF{"%n NSawD.9mV 14.DataGrid超级连接列
pfBe24q DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
rjffpU [Dhqyjq 15.DataGrid行随鼠标变色
CvHE7H|-{ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|v:oLgUdH {
)J*M{Gm 6i if (e.Item.ItemType!=ListItemType.Header)
*b'4>U {
C@`rg ILc e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
6k_Uq.<X e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
i0:1+^3^U }
p}oGhO&= }
/4*Y#IpZ [rkw k\m* 16.模板列
!4-4i <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
@)\4 $#+- <ITEMTEMPLATE>
=oBlUE <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
rD+mI/_J` </ITEMTEMPLATE>
VV;%q3}: </ASP:TEMPLATECOLUMN>
]A;.}1' yky%+@2q <ASP:TEMPLATECOLUMN headertext="选中">
lD^c_b <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
-MRX@ a^1 <ITEMTEMPLATE>
JM1O7I <ASP:CHECKBOX id="chkExport" runat="server" />
+4$][3. </ITEMTEMPLATE>
@XJ#oxM^ <EDITITEMTEMPLATE>
?K+q~DzNSD <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
~NZL~p </EDITITEMTEMPLATE>
;j.-6#n </ASP:TEMPLATECOLUMN>
F\, vIS [~PR\qm 后台代码
Ur]/kij protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
6P3h955c {
I8a3: ) //改变列的选定,实现全选或全不选。
ollsB3]] CheckBox chkExport ;
`OfD^Q= if( CheckAll.Checked)
SJ91(K {
Q^;:Kl.b foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
]5K+W {
/GVjesN chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
cZJ5L>ox chkExport.Checked = true;
LSo*JO6 }
tLi91)oG }
^,0Lr$+ else
lb$_$+@Vr {
eTFep^[ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
pdB\D {
CT5s`v!s chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
oYdE s&qq chkExport.Checked = false;
&?1O D5 }
^2H; }
6DU~6c=) }
tKS[ ,-hbwd~M 17.数字格式化
n$`+03 a |p!($ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
ufCpX>lNF <%#Container.DataItem("price","{0:¥#,##0.00}")%>
e!PB3I %ufh int i=123456;
"={* 0P string s=i.ToString("###,###.00");
F^$;hMh% n$N$OFuO 18.日期格式化
Fgi`g{N }K8e(i6z 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
LPBa!fq Ui!l3_O 显示为: 2004-8-11 19:44:28
tAE(`ow/Ur 5JhvYsf3_ 我只想要:2004-8-11 】
!ej]'>V,X <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
O2\(:tvw QyxUK}6mr 应该如何改?
]=VRct
" ^*i0~_ 【格式化日期】
Gbjh|j= >{QO$F# 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
aW*k,\:e 5[g\.yi2_] 【日期的验证表达式】
' Ut4=@) )
[?xT A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
#D/*<:q5 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
R)BXN~dQ e@qH!.g) B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
-$?t+ "/E ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
`vMhrn p J_+n:_{ 【大小写转换】
~uH_y- HttpUtility.HtmlEncode(string);
04jvrde8-O HttpUtility.HtmlDecode(string)
yq49fEgc@U 'AX5V-t 19.如何设定全局变量
8 eK 8-R$ $&&E[JY Global.asax中
2mnAL# ^P^%Q)QXl Application_Start()事件中
Gc"hU:m E(j#R" 添加Application[属性名] = xxx;
|4g0@}nr+W /W)A[jR 就是你的全局变量
HO['o{>BL hrtz>qN 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
CxeW5qc GLyPgZ`| HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
:^WF%X G~o!u8^; 【ASPNETMENU】点击菜单项弹出新窗口
s:7/\h h Fik>B#! 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
0W}qp?
<?xml version="1.0" encoding="GB2312"?>
9M;t4Um <MenuData ImagesBaseURL="images/">
RSe4lw <MenuGroup>
GE(~d ' <MenuItem Label="内参信息" URL="Infomation.aspx" >
#kASy 2t <MenuGroup ID="BBC">
Oo@o$\+v <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
i4,p\rE0 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
BH1h2OEe# ......
w^ut,`yWR !}z'"l4i 最好将你的aspnetmenu升级到1.2版
Q8%_q"C ?T2>juf]5~ 21.读取DataGrid控件TextBox值
dgF%&*Il]O foreach(DataGrid dgi in yourDataGrid.Items)
S@qR~_>a {
E I zy TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
UPU$SZAIx tb.Text....
VJqk0w+ }
]vlBYAW' jZzTnmm&? 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
1'\QD`M9^ X0u,QSt'O 〖思归〗
q50F!yHC- <asp:TemplateColumn HeaderText="数量">
2^=.j2 <ItemTemplate>
z'"7zLQ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
qEr?4h onkeyup="javascript:DoCal()"
4lB??`UN />
/W$i8g =&} _bd/] <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
/j$=?Rp </ItemTemplate>
D<;~eZ' </asp:TemplateColumn>
d]]z ) o]4\Geg$ <asp:TemplateColumn HeaderText="单价">
IgG[Pr'D <ItemTemplate>
U_(>eVi7F <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
lb.Q^TghU onkeyup="javascript:DoCal()"
6sSwSS />
<'~m1l#2 [&