1. 打开新的窗口并传送参数:
#'O9Hn({ ks sRwe%>; 传送参数:
lz6CK
response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
(tq);m& p#Po? 接收参数:
m'
S{P:TK string a = Request.QueryString("id");
P`O`MwEAf string b = Request.QueryString("id1");
*z6A ~U Du
+_dr^4 2.为按钮添加对话框
`jR8RDD Button1.Attributes.Add("onclick","return confirm(’确认?’)");
9{U@s button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
GOGS"q o/
51RH 3.删除表格选定记录
!<=(/4o&P int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
@aN~97
H\ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
(=WbLNBS hrD2-S 4.删除表格记录警告
>TM{2b,(p private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
KztQT9kY {
8@+<W%+th switch(e.Item.ItemType)
Yc?S< {
j~S=kYrGM case ListItemType.Item :
g"Hl 30o case ListItemType.AlternatingItem :
3?<A]"X. case ListItemType.EditItem:
1c@S[y TableCell myTableCell;
h4itXJy52B myTableCell = e.Item.Cells[14];
5(\/ b<# LinkButton myDeleteButton ;
7)1%Z{Dy myDeleteButton = (LinkButton)myTableCell.Controls[0];
]b>XN8y. myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
8dLmsk^ break;
!gV{[j?~zr default:
OGLA1}k4 break;
A' uaR? }
Z_dL@\#| yMM2us#*+q }
9@lG{9id? >EA\KrjW 5.点击表格行链接另一页
b?cO+PY01 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
G9xO>Xp^Al {
LttA8hf5q? //点击表格打开
8-H:5E 4Y if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+A1*e+/b\ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
R rH{Y0 }
|H,WFw1%} [>_zV.X 双击表格连接到另一页
9bRUN<
/*e<r6 在itemDataBind事件中
6{udNv X if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5+Tx01) {
8[t*VIXI string OrderItemID =e.item.cells[1].Text;
hT_Q_1, ...
nO'C2)bBSG e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
*' es(]W }
q9VBK(,X :/6aBM? 双击表格打开新一页
eJn_gKWb if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
K?e16; {
[~cz|C# string OrderItemID =e.item.cells[1].Text;
e2tru_# ...
?IS[2 v$ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
3LJ\y }
?G7*^y&Q Eb6cL`#N ★特别注意:【?id=】 处不能为 【?id =】
&}C-W*
f,Z 6.表格超连接列传递参数
KRn[(yr`% <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
M&q~e@P <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
DnhbMxh8o 90Sras>F 7.表格点击改变颜色
k#~oagW_Gw if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
AY"wEyNU {
sUR5Q/Q e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
FqGMHM\J this.style.color=’buttontext’;this.style.cursor=’default’;");
)M Tf }
9m_~Zs}Z nQ|($V1?W 写在DataGrid的_ItemDataBound里
Y`$\o if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
50A\Y)i_mZ {
0wSy[z4V e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
f-H"|9 this.style.color=’buttontext’;this.style.cursor=’default’;");
v@2@9/ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
%qE"A6j }
@}waZ?' +>2.O2)%q GcA|JS=> 8.关于日期格式
wL]#]DiE `HYj:4v' 日期格式设定
2?:OsA} DataFormatString="{0:yyyy-MM-dd}"
|/ 8!PKm MT)q?NcG 我觉得应该在itembound事件中
^r(]S% e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Qi=0[ i|,}y`C# 9.获取错误信息并到指定页面
2u5\tp?8
E;'{qp 不要使用Response.Redirect,而应该使用Server.Transfer
R47y/HG, S9nn^vsK e.g
V!yBH<X // in global.asax
1=9GV+`n protected void Application_Error(Object sender, EventArgs e) {
}hm_Ws if (Server.GetLastError() is HttpUnhandledException)
Z!fbc#L6
Server.Transfer("MyErrorPage.aspx");
ypemp=+(r -`z%<)!Y //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
>o`+j$j }
U H+#Nel+! qkp0' f*} 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
$T66%wX 31#jLWY'0 10.清空Cookie
0Y0`$
Cookie.Expires=[DateTime];
{]0T Response.Cookies("UserName").Expires = 0
pStbj`Eq ?|}qT05 11.自定义异常处理
(n2_HePE //自定义异常处理类
Ly2!(,FB. using System;
:P%?!'M using System.Diagnostics;
|f1^&97=+ hgDFhbHtd6 namespace MyAppException
9jx>&MnWs {
9&C8c\Y /// <summary>
z?kE((Ey /// 从系统异常类ApplicationException继承的应用程序异常处理类。
]:T:cO0_n /// 自动将异常内容记录到Windows NT/2000的应用程序日志
y@2"[fo3~ /// </summary>
KyP@ hhj public class AppException:System.ApplicationException
+;pw^QB {
q@VIFmqY! public AppException()
nox-)e {
;p<BiC$b if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
iyUnxqP }
,+C?UW w}(pc}^U public AppException(string message)
=,qY\@fq {
iYw1{U LogEvent(message);
O*]}0*CT }
q;f L@L@- 'gD./|Z0 public AppException(string message,Exception innerException)
QK #qW-49O {
28+{ LogEvent(message);
`fJ;4$4 if (innerException != null)
+<V$G/" {
ER[$TH& LogEvent(innerException.Message);
z^4+Un }
5
I#-h<SG }
Iue=\qUK^ 2,Z@< //日志记录类
K$:btWSm using System;
t@+e#3P! using System.Configuration;
M_cm,|FF using System.Diagnostics;
4@mJEi{ using System.IO;
U;u4ey using System.Text;
Al *yx_j using System.Threading;
(6[/7e) t%k`)p7O namespace MyEventLog
=>Qd {
i=rA;2> /// <summary>
83# <Yxk~ /// 事件日志记录类,提供事件日志记录支持
| "M1+(k7 /// <remarks>
V,[[#a)y /// 定义了4个日志记录方法 (error, warning, info, trace)
i*&b@.7N /// </remarks>
g_>E5z. /// </summary>
jJ2{g> P0P public class ApplicationLog
{3K]Q= {
OH]45bd
&7 /// <summary>
4W E)2vkS /// 将错误信息记录到Win2000/NT事件日志中
$ER$|9)KD /// <param name="message">需要记录的文本信息</param>
I)r6*|mz /// </summary>
e85E+S% public static void WriteError(String message)
MAX?,-x {
9q&~!>lt WriteLog(TraceLevel.Error, message);
gF293Ez }
Q4S:/"*v8 +R{~%ZTK /// <summary>
.>_%12> /// 将警告信息记录到Win2000/NT事件日志中
^Mhh2v /// <param name="message">需要记录的文本信息</param>
vJ 28A /// </summary>
XMxm2-%olP public static void WriteWarning(String message)
M9~'dS'XI {
f= }!c*l" WriteLog(TraceLevel.Warning, message);
d:cOdm>, }
GlJOb|WOX 4[%_Bnv#AJ /// <summary>
LRS,bl3}/ /// 将提示信息记录到Win2000/NT事件日志中
J5Q.v; /// <param name="message">需要记录的文本信息</param>
5s4x%L (~} /// </summary>
.;,,{; public static void WriteInfo(String message)
j9/iBK\Y {
WigTNg4 WriteLog(TraceLevel.Info, message);
2sEG#/Y= }
}#=t%uZ/ /// <summary>
fmLDufx /// 将跟踪信息记录到Win2000/NT事件日志中
3{ea~G)[9 /// <param name="message">需要记录的文本信息</param>
I-kK^_0mV< /// </summary>
fti0Tz' public static void WriteTrace(String message)
_KyhX| {
KxFA@3 WriteLog(TraceLevel.Verbose, message);
p -!/p# }
)lU ocm q8R,#\T* /// <summary>
'fzJw /// 格式化记录到事件日志的文本信息格式
"s`#`' /// <param name="ex">需要格式化的异常对象</param>
*kj+6`:CPs /// <param name="catchInfo">异常信息标题字符串.</param>
N?A}WW# /// <retvalue>
K,P`V
&m? /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
~0Zy$L/D /// </retvalue>
AnZy
oa /// </summary>
`J7@G]X;2 public static String FormatException(Exception ex, String catchInfo)
}<'ki
; {
tv]9n8v StringBuilder strBuilder = new StringBuilder();
{8%KO1xB if (catchInfo != String.Empty)
HuN_$aP {
4>B=k strBuilder.Append(catchInfo).Append("\r\n");
9c0 }
R-4#y%k< strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Vy=+G~ return strBuilder.ToString();
7MKZ*f@x; }
-y$<fu9
e IRv/[|"L /// <summary>
2q9$5 /// 实际事件日志写入方法
]4lC/&nm /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
{9Q**U`w /// <param name="messageText">要记录的文本.</param>
z'gJy /// </summary>
ybIqn0&[ private static void WriteLog(TraceLevel level, String messageText)
iUqD>OV {
jG#e%`' try
gS|6,A9 {
/}eb1o EventLogEntryType LogEntryType;
%hz5) switch (level)
Y%(8'Ch {
3_{rXtT)' case TraceLevel.Error:
usi3z9P>n LogEntryType = EventLogEntryType.Error;
%qVD-Jln break;
mMCd case TraceLevel.Warning:
5OAb6k' LogEntryType = EventLogEntryType.Warning;
ezm*9Jc~p break;
N6*FlG- case TraceLevel.Info:
dtV7YPz4+ LogEntryType = EventLogEntryType.Information;
oGt2n: break;
g<8Oezi 65 case TraceLevel.Verbose:
2';{o=TXV LogEntryType = EventLogEntryType.SuccessAudit;
.`&k` break;
7WNUHLEt default:
6y{CM/DC LogEntryType = EventLogEntryType.SuccessAudit;
TeJ=QpGW2 break;
diKl}V#u }
q$<VLrx *
COC& EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
.GCJA`0h //写入事件日志
nH+wU;M eventLog.WriteEntry(messageText, LogEntryType);
iBKH\em/ od&wfwk( }
%9L+ Q1o catch {} //忽略任何异常
_.m|Ml,`{ }
6_;n bqY& } //class ApplicationLog
[mG!-.ll }
:"K9(XKKU 2f rwU~y 12.Panel 横向滚动,纵向自动扩展
Ju"c!vu~ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
@ykl:K%ke Nr*o
RYY 13.回车转换成Tab
~svea>Fmr <script language="javascript" for="document" event="onkeydown">
?ihRt+eR~ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
fUq
#mkq} event.keyCode=9;
d^5x@E_Td </script>
nM!_C-yX 1>bNw-kz7 onkeydown="if(event.keyCode==13) event.keyCode=9"
+h1X-K:I CX]L' 14.DataGrid超级连接列
gL7rX a j DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
7oCY@>(f m:9|5W 15.DataGrid行随鼠标变色
y7Hoy.( private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
A^\g]rmK {
8 9maN if (e.Item.ItemType!=ListItemType.Header)
( De>k8 {
i
G%R'/* e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
}:]CXrdg> e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
|Rm_8n%m }
YQR[0Y&e= }
]na$n[T/I NBw{ 16.模板列
py wc~dWvz <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
@J'tPW<$ <ITEMTEMPLATE>
j@/p: fk <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
xg'xuz$U </ITEMTEMPLATE>
79+i4(H </ASP:TEMPLATECOLUMN>
DjvPeX 59X XmVg <ASP:TEMPLATECOLUMN headertext="选中">
1%";| <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
)E^Pn|H <ITEMTEMPLATE>
34J*<B[Njo <ASP:CHECKBOX id="chkExport" runat="server" />
0~Xt_rN]( </ITEMTEMPLATE>
l,UOP[j <EDITITEMTEMPLATE>
Z4sS;k]} <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
MIqH%W.ru </EDITITEMTEMPLATE>
"EZpTy}Ee </ASP:TEMPLATECOLUMN>
@z`eqG,'] @=BApuer+ 后台代码
cG1iO: protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
^W~8)Rbf {
VU+=b+B~m //改变列的选定,实现全选或全不选。
w8`B}Dr23 CheckBox chkExport ;
jcRe), if( CheckAll.Checked)
j-| !QlB {
$s"-r9@q foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
V \/Qik{h {
4Zn [F^p chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
#@E:|^$1y chkExport.Checked = true;
00yWk_w }
;"8BbF. }
"1UpoF'w else
NIp]n[=.q {
(g1Op~EM foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
b&RsxW7 {
9!ARr@ ; chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
O.{ chkExport.Checked = false;
6lUC$B Y }
7/)0{B4U' }
=JxEM7r }
Z=]ujlD ;
FHnu| 17.数字格式化
0#~k)>(7lR ;(Az 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
1E0!?kRK <%#Container.DataItem("price","{0:¥#,##0.00}")%>
3jHE,5m 7W>(T8K X\ int i=123456;
G?Za/G string s=i.ToString("###,###.00");
w zi7pJjXh |+qsO; 18.日期格式化
CV2#G *
gJ>#HEkMB 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
59~mr:*sF ;Nd'GA+1;( 显示为: 2004-8-11 19:44:28
JkKbw&65 sj6LrE=1 我只想要:2004-8-11 】
Oc5f8uv <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
aq#F 0IBQE 应该如何改?
UUF]45t> S WyJ` 【格式化日期】
SH O&:2 ~(:0&w%e 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
,R=$qi| ~g;)8X;;+ 【日期的验证表达式】
1-Dw-./N
3\cx(
A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
CZ
=]0zB ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
K>n@8<7 &kT!GU^n B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
$9u:Ox
2 ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
}ktK*4<k J|VDZ# c7 【大小写转换】
Y' 5X4Ks| HttpUtility.HtmlEncode(string);
ja(ZJ[<` HttpUtility.HtmlDecode(string)
r,Msg&rT [Mj5o<k;I 19.如何设定全局变量
n(CM)(ozU *e:2iM)8~ Global.asax中
4
[]!Km A=70UL Application_Start()事件中
dJlK'zK U8@P/Z9 添加Application[属性名] = xxx;
p&D7&Sb[ QSwT1P'U 就是你的全局变量
md|I?vk }vg|05L 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
uO1^nK 7p>T6jK) HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
r>.l^U9hJ Qh*}v!3Jo 【ASPNETMENU】点击菜单项弹出新窗口
YdUcO.V Mky^X,r 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
E )2/Vn2 <?xml version="1.0" encoding="GB2312"?>
fB'Jo<C <MenuData ImagesBaseURL="images/">
qOa*JA` <MenuGroup>
a>+m_]*JZ <MenuItem Label="内参信息" URL="Infomation.aspx" >
'pF$6n; <MenuGroup ID="BBC">
==trl#kQ%% <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Cu<' b'%; <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
}G!'SZ$F 5 ......
'z@]hm# -lXQQ#V
- 最好将你的aspnetmenu升级到1.2版
<vu~EY0. j HObWUX 21.读取DataGrid控件TextBox值
B[2t.d;h foreach(DataGrid dgi in yourDataGrid.Items)
N
x^JC_ {
E,ooD3$h TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
i+lq:St tb.Text....
G;USVF-'K }
0T0I<t /AYq^ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
*z_`$Y =5:kV/p 〖思归〗
6j|~oMYP <asp:TemplateColumn HeaderText="数量">
~{N#JOY}Z <ItemTemplate>
z]=Ks_7 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
NdRE,HWd?$ onkeyup="javascript:DoCal()"
q6x}\$mL />
:`0,f ?cE @]42.oP <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
8:uh0 </ItemTemplate>
)QmmI[,tq </asp:TemplateColumn>
gV*4{d` -w'g0/fD <asp:TemplateColumn HeaderText="单价">
::3[H$ <ItemTemplate>
TGjxy1A <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
XjYMp3 onkeyup="javascript:DoCal()"
}g[Hi` />
<,H/7Ba wzZ]|
C(vp <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
A>(EM}\, T~4HeEG>uH </ItemTemplate>
:R3&R CTZ </asp:TemplateColumn>
U@(8)[?nxn /gn\7&