1. 打开新的窗口并传送参数:
\a4X},h\ @?jtB 传送参数:
~0h@p4 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
&=f?:UZ% xYZ,. 接收参数:
.4ZOm'ko{ string a = Request.QueryString("id");
q6ZewuV. string b = Request.QueryString("id1");
k }{o:
N .Cf!5[0E 2.为按钮添加对话框
*\@RBJGF Button1.Attributes.Add("onclick","return confirm(’确认?’)");
JVGTmS[3 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
`8r$b/6 J$PlI 3.删除表格选定记录
+f%"O? int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
lMH~J8U3 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
l,~`o$_ /+*N.D'`t, 4.删除表格记录警告
r\cY R}v private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
1]9w9!j {
eY-h<K)y switch(e.Item.ItemType)
R={#V8D~ {
f5p/cUzX case ListItemType.Item :
w5^k84vye case ListItemType.AlternatingItem :
cU-A1W case ListItemType.EditItem:
NMQG[py!f TableCell myTableCell;
t\h4-dJn myTableCell = e.Item.Cells[14];
_Hd|y LinkButton myDeleteButton ;
|Y8}*C\M.h myDeleteButton = (LinkButton)myTableCell.Controls[0];
WNZYs myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
V= - break;
6O,:I default:
in5e * break;
p_
f<@WE }
' <xE0< y Z[=Y }
Y
mL{uV$ zVa&4 T- 5.点击表格行链接另一页
& Zn`2% private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
o='A1 P {
^^zj4 }On? //点击表格打开
* nFzfV if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
0w:
3/WO e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
97UOH }
Hq+QsplG d3|/&gDBK 双击表格连接到另一页
)[J@s= )iM(
\=1ff 在itemDataBind事件中
=36fS/Gb if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
K a&
2>F {
PO8Z2"WI string OrderItemID =e.item.cells[1].Text;
#0vda'q=j ...
; o
Y|~ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
|d&C<O;f }
I`*5z;Q!%@ S0Io$\ha 双击表格打开新一页
wP*3Hx;S if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
o&&`_"18 {
Kc95yt string OrderItemID =e.item.cells[1].Text;
qH5nw}] ...
Jfk#E^1 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
.drY }
J
<;xkT1x iCA-X\E ★特别注意:【?id=】 处不能为 【?id =】
lVQE}gd%m 6.表格超连接列传递参数
39hep8+ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
^N[ Cip}8 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
#HH[D;z $,J}w%A 7.表格点击改变颜色
%\(-<aT if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|(ab0b # {
qJ(uak e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
BC/5 bA this.style.color=’buttontext’;this.style.cursor=’default’;");
J4"A6`O }
ZG2EOy {@iLfBh5 写在DataGrid的_ItemDataBound里
V8):! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
w|]Tt=" {
*;9H \% e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
[5p 3:D this.style.color=’buttontext’;this.style.cursor=’default’;");
u<uc"KY= e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Gp
\-AwE }
MZ&.{SY7 MH#"dGGu 1;1;-4k7I 8.关于日期格式
A$N%deb 6IV):S~ 日期格式设定
>\^oCbqF}~ DataFormatString="{0:yyyy-MM-dd}"
Pj]^p{> ZzNHEV 我觉得应该在itembound事件中
M9A1
8d| e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
.B-b51Uz Q-V8=. 9.获取错误信息并到指定页面
Z^2SG_pD x?V^l* 不要使用Response.Redirect,而应该使用Server.Transfer
3vcyes-U Ahl&2f\ e.g
OblHN* // in global.asax
O|+ZEBP protected void Application_Error(Object sender, EventArgs e) {
:e=7=|@7 if (Server.GetLastError() is HttpUnhandledException)
i9zh
X1# Server.Transfer("MyErrorPage.aspx");
>J3mta3 \XmplG: //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
|9%~z0 }
{q`8+$Z; (J %4}Dm 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
]
1pIIX} p<H_]|7$7U 10.清空Cookie
1t^y?<) Cookie.Expires=[DateTime];
x}pH'S7 Response.Cookies("UserName").Expires = 0
G#e]J;
\t1#5 11.自定义异常处理
kJJiDDL0;* //自定义异常处理类
MymsDdQ] using System;
nvf5a-C+q using System.Diagnostics;
& ;.rPU lY"l6.c namespace MyAppException
U`=r.> {
'%t$mf!nV /// <summary>
%;ED}X /// 从系统异常类ApplicationException继承的应用程序异常处理类。
hBX.GFnw /// 自动将异常内容记录到Windows NT/2000的应用程序日志
gEsD7]o(= /// </summary>
8)eRm{ public class AppException:System.ApplicationException
%;h1n6=v2 {
s=-?kcoJ2d public AppException()
J)B3o$ {
rhQ+ylt8I if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
o.NU"$\? }
&4|]VOf hG.}>(VV public AppException(string message)
Q2Ey RFT {
?OF$J|h LogEvent(message);
1="]'!2Is }
fqbeO 9x VnSO>O public AppException(string message,Exception innerException)
9)]`le {
eA(\#+)X ` LogEvent(message);
Ncbe{}<md if (innerException != null)
XrTc5V {
h ChO LogEvent(innerException.Message);
]}].Aq }
NpZ'pBl }
9ThsR&h3 5JVBDA^#om //日志记录类
guYP| using System;
75^*4[ using System.Configuration;
Gdb0e]Vt+ using System.Diagnostics;
GY-4w@Wl using System.IO;
8aVQW_m} using System.Text;
#aC&!Rei{ using System.Threading;
okRt^qe uKXU.u*C namespace MyEventLog
~s4JGV~R {
EH2): /// <summary>
lshSRir /// 事件日志记录类,提供事件日志记录支持
!gLJBp /// <remarks>
}0E@eL /// 定义了4个日志记录方法 (error, warning, info, trace)
\R@}X cqZ /// </remarks>
<ZZfN@6 /// </summary>
KYB3n85 1 public class ApplicationLog
,?j!c* {
k7*-v/*S /// <summary>
.aa7*e /// 将错误信息记录到Win2000/NT事件日志中
DL~!
^fx /// <param name="message">需要记录的文本信息</param>
0K.$C~C /// </summary>
"~=}& public static void WriteError(String message)
T<7}IH$6xE {
>BO!jv!a WriteLog(TraceLevel.Error, message);
cp8w
_TPU }
bHSoQ \ \)\n5F:Zu /// <summary>
E5P.x^ /// 将警告信息记录到Win2000/NT事件日志中
bupW*fD: /// <param name="message">需要记录的文本信息</param>
sOWP0xY /// </summary>
wd|^m% public static void WriteWarning(String message)
K[noW {
K6B6@ WriteLog(TraceLevel.Warning, message);
s!YX<V }
v8E:64 ;MYK TE>m /// <summary>
5ip ZdQ^ /// 将提示信息记录到Win2000/NT事件日志中
Bt:M^b^ /// <param name="message">需要记录的文本信息</param>
rM~Mqpk /// </summary>
NPBOG1q% public static void WriteInfo(String message)
+gndW {
SP2";,%/9 WriteLog(TraceLevel.Info, message);
;+f(1=x }
6tVp%@ /// <summary>
e
jk?If 07 /// 将跟踪信息记录到Win2000/NT事件日志中
DPnrzV) /// <param name="message">需要记录的文本信息</param>
0[ n;ZL~ /// </summary>
/8_x]Es/ public static void WriteTrace(String message)
p|;#frj {
E?K(MT&@ WriteLog(TraceLevel.Verbose, message);
,82?kky }
2-g 5Gb2| i0x[w>\- /// <summary>
UeBSt. /// 格式化记录到事件日志的文本信息格式
:WH0=Bieh /// <param name="ex">需要格式化的异常对象</param>
w{;bvq%lY /// <param name="catchInfo">异常信息标题字符串.</param>
fH,h\0 /// <retvalue>
!h1|B7N /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
=hh,yi /// </retvalue>
\@ZD.d# /// </summary>
q,Nqv[va public static String FormatException(Exception ex, String catchInfo)
P6^\*xkMr {
='eQh\T) StringBuilder strBuilder = new StringBuilder();
wjID*s[ if (catchInfo != String.Empty)
[e. `M{(TB {
2+(SR.oGq strBuilder.Append(catchInfo).Append("\r\n");
/6N!$*8 }
)J\
JAUj strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
`a7b,d return strBuilder.ToString();
K^AIqL8 }
8.`5"9Vh <3k9 y^0 /// <summary>
\@6w;tyi /// 实际事件日志写入方法
zBrqh9%8e /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
i"!j:YEo /// <param name="messageText">要记录的文本.</param>
$I4JKh /// </summary>
g fv?#mp private static void WriteLog(TraceLevel level, String messageText)
:NwFJc {
XHuHbriI try
z*^vdi0 {
Y5IQhV. EventLogEntryType LogEntryType;
Y-DHW/Z~ switch (level)
A sf]sU.. {
kafj?F case TraceLevel.Error:
c&L|e$C] LogEntryType = EventLogEntryType.Error;
>?X(,c break;
b Oh[(O! case TraceLevel.Warning:
jvE&%|Ngw LogEntryType = EventLogEntryType.Warning;
Xdf;'|HO break;
%8%0l*n' case TraceLevel.Info:
_32 o7}!x LogEntryType = EventLogEntryType.Information;
;ahI}} break;
JHVesX case TraceLevel.Verbose:
olDzmy(=W* LogEntryType = EventLogEntryType.SuccessAudit;
~m7?:(/lb break;
&ujq6~# default:
g31\7\)Ir LogEntryType = EventLogEntryType.SuccessAudit;
6O'B:5~[2 break;
pEGHW; }
^zS|O]Tx ZoKX ao EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
lS`VJA6l. //写入事件日志
x5W@zqj eventLog.WriteEntry(messageText, LogEntryType);
#5IfF~*i i'Q 4touy }
Fmrl*tr catch {} //忽略任何异常
:?gk=JH: }
M059"X=" } //class ApplicationLog
/@s(8{; }
Q
S.w#"X[ xb(y15R\I 12.Panel 横向滚动,纵向自动扩展
iJ`v3PP <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
6$$ku :"oUnBY% 13.回车转换成Tab
/{X2:g { <script language="javascript" for="document" event="onkeydown">
~c
GH+M@ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
X9uYqvP\( event.keyCode=9;
?[Qxq34 </script>
h IUO=f =g^JJpS onkeydown="if(event.keyCode==13) event.keyCode=9"
e#uF?v]O :,dO7dJi 14.DataGrid超级连接列
XbAoW\D( DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
cLnvb!g'# IY9##&c3> 15.DataGrid行随鼠标变色
ZNbb8v private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ulnlRx {
PEAo'63$ if (e.Item.ItemType!=ListItemType.Header)
T
.L>PL?= {
yB^_dE e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
c3aF lxW e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
K0?:?>*b# }
> 1&_- }
6m{1im= _NJq%-,' 16.模板列
.
!;K5U <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
7j L.\O <ITEMTEMPLATE>
!tofO|E5 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
.Cf`D tK </ITEMTEMPLATE>
-}*YfwK </ASP:TEMPLATECOLUMN>
MXU8QVSY" 41`&/9:"_M <ASP:TEMPLATECOLUMN headertext="选中">
L9)nRV8 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
vb Mv8Nk <ITEMTEMPLATE>
js\|xfDxP <ASP:CHECKBOX id="chkExport" runat="server" />
/F6=iHK(l </ITEMTEMPLATE>
h/n&&J <EDITITEMTEMPLATE>
|d8x55dk <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
:s OsG&y </EDITITEMTEMPLATE>
U
ORoj )$I </ASP:TEMPLATECOLUMN>
[P23.`G~J UDz#?ZWnd 后台代码
C_DXg-a2lu protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
:CAbGs:56 {
ep2#a#&' //改变列的选定,实现全选或全不选。
t<2B3&o1 CheckBox chkExport ;
N-Nq* if( CheckAll.Checked)
GE[J`?E] {
#!X4\+) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
VBK9te,A {
nZ2mY!* chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
^8yhx-mgb chkExport.Checked = true;
wtw }
S>pbplE }
=9JKg4I6 else
m0k~8^L@f {
fgSe]q// foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
x:)8+Rn} {
SBBi"U: chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
("L&iu\`@ chkExport.Checked = false;
Bzw!,(u/
" }
4U;6 2 jq }
k/ 9S
}
^B|Q&1 +MfdZD 17.数字格式化
Sc zYL?w^ GwoN= 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
le-Q&* <%#Container.DataItem("price","{0:¥#,##0.00}")%>
24
i00s|# A<VNttgG int i=123456;
amn\#_( string s=i.ToString("###,###.00");
*g<D p2` n_/_Y>{M0 18.日期格式化
hVB^: RMx$]wn_ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
jLs-v ~)JNevLZ 显示为: 2004-8-11 19:44:28
SGREpOlJ+ ?x(]U+ 我只想要:2004-8-11 】
F#w=z/ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
&O5W @sAT#[j 应该如何改?
crt
)}L8- +JMB98+l 【格式化日期】
iwl\&uNQU ljij/ C= 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
DhwFD8tT U]Vu8$W 【日期的验证表达式】
[BpIzhy&} L+&eY?A A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
OXs-gC{b ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
c.u$NnDU6 %!G]H B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
m\88Etl@ ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
q7
;TdQ .'q0*Pe 【大小写转换】
^f-?xXPx HttpUtility.HtmlEncode(string);
dcgz<m HttpUtility.HtmlDecode(string)
,[lS)`G ,3t('SE 19.如何设定全局变量
8()L }@y hDp
-,ag{ Global.asax中
JwNG`MGc K>2mm!{ Application_Start()事件中
_Kp{b"G a+TlZE>8 添加Application[属性名] = xxx;
pFLR!/J 9~^%v zM 就是你的全局变量
n y7G $W46!U3 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
wr/Z)e =^3 ][|)qQ%V HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
06 kjJ4 `[<j5(T 【ASPNETMENU】点击菜单项弹出新窗口
G] -$fz ckXJ9> 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
d3fF|Wp1 <?xml version="1.0" encoding="GB2312"?>
S(^*DV <MenuData ImagesBaseURL="images/">
]OE{qXr{ <MenuGroup>
0jsU^m<g <MenuItem Label="内参信息" URL="Infomation.aspx" >
9OeY59
: <MenuGroup ID="BBC">
J
00%,Ju_ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
>;N0( xB <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
3le/(=&1 ......
Ng?n}$g* EROf%oaz= 最好将你的aspnetmenu升级到1.2版
T [
`t?, Q7X6OFl? 21.读取DataGrid控件TextBox值
?8g[0/ foreach(DataGrid dgi in yourDataGrid.Items)
7-"ml\z {
\$o!M1j TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
uFM]4v3 tb.Text....
uUUj?% }
$= '_$wG
8 6% @@~" 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?
}+KSZ, n{dl-P 〖思归〗
fLj#+h-! <asp:TemplateColumn HeaderText="数量">
(Yz EsY <ItemTemplate>
`p@YV( <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
~yH<,e onkeyup="javascript:DoCal()"
*~F\k):> />
tN&x6O+@ 8Yr_$5R <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
wf!?'* </ItemTemplate>
^zv0hGk 2 </asp:TemplateColumn>
?lJm}0> KLW#+vZ <asp:TemplateColumn HeaderText="单价">
seh1(q?Va4 <ItemTemplate>
pei-R <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
MS,J+'2 onkeyup="javascript:DoCal()"
@B;2z_Y!l />
Bb^CukS: C0o0
l> <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
<0OZ9?,dm >=|Dir </ItemTemplate>
6Y^UC2TBs </asp:TemplateColumn>
A"t~
) CA7 ZoMB# <asp:TemplateColumn HeaderText="金额">
hr&&"d {s <ItemTemplate>
&ah!g!o3 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
;/$=!9^sZ </ItemTemplate>
D2 o,K&V </asp:TemplateColumn><script language="javascript">
3fJGJW!zu function DoCal()
HS"E3s8 {
d'~
k f# var e = event.srcElement;
0z@KkU{Z var row = e.parentNode.parentNode;
9(>]6|XS var txts = row.all.tags("INPUT");
?mxBMtc
if (!txts.length || txts.length < 3)
+H5=zf2 return;
gWm
-}Nb4 i1]*5;q var q = txts[txts.length-3].value;
V @A+d[ var p = txts[txts.length-2].value;
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`x:80 X{A|{ u= 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。
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.LDK+c tbHU(#~ 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 ?
\M~M private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
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