1. 打开新的窗口并传送参数:
/wmJMX mv5!fp_*7 传送参数:
"<=^Sm response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
fY>\VY$> (|Xf=q,Le 接收参数:
(33[N string a = Request.QueryString("id");
YTY0N5[" string b = Request.QueryString("id1");
DD;PmIW e7<~[>g) 2.为按钮添加对话框
9~a_^m/ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
18a6i^7 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
X~lOFH;}q K":-zS 3.删除表格选定记录
7 0KZXgBy_ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
enZW2o97c string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
U;ev3 ZWYwVAo 4.删除表格记录警告
75<E 0O private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
u K 8r {
iTD{ switch(e.Item.ItemType)
m`n51i{U {
WpRi+NC}ln case ListItemType.Item :
A*W QdY case ListItemType.AlternatingItem :
.nT"f>S&' case ListItemType.EditItem:
t,+p!"MRY TableCell myTableCell;
SxMh ' myTableCell = e.Item.Cells[14];
g=a-zg9LX LinkButton myDeleteButton ;
0M pX.0 myDeleteButton = (LinkButton)myTableCell.Controls[0];
~d28"p.7 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
_)lK.5 break;
owQLAV default:
Ro?yCy:L' break;
=yk#z84< }
V.;0F%zks5 k?1cxY s }
J>x)J}:; IC7n;n9 5.点击表格行链接另一页
B7va#'ne4{ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
eF!c<
Kcr {
CfA
F.H //点击表格打开
M`AbH19 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;z!~-ByzL e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
.b5B7x} }
=v1s@5;~ o"K{^ L~u 双击表格连接到另一页
zaR~ fO zI(b#eUF
在itemDataBind事件中
DS-Kot(k(z if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^25$=0 {
QfRt3\^` string OrderItemID =e.item.cells[1].Text;
v:<u0B-)$ ...
H?M8j] R-) e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
naW}[y*y; }
:@ 19,.L .#EmE'IP* 双击表格打开新一页
6d` 6=D: if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?zKDPBj
{
X2T)]`@ string OrderItemID =e.item.cells[1].Text;
f`P%aX'cBQ ...
5H`k$[3V e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
m>:3Ku }
V 1;n5YL Jc:*X4-' ★特别注意:【?id=】 处不能为 【?id =】
~~b[X\1 6.表格超连接列传递参数
zEpcJHI% <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Z3T:R"l; <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
a*KB'u6& s3Y
\,9\ 7.表格点击改变颜色
)#M*@e$k if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
2U)H2% {
.pr- ^ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
7[ *,t this.style.color=’buttontext’;this.style.cursor=’default’;");
fLxFF }
n<y!@p^X J'.U+XU 写在DataGrid的_ItemDataBound里
4Ts5*_ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
n\ZDI+X {
C$-IDBXK e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
^t?P32GJ this.style.color=’buttontext’;this.style.cursor=’default’;");
b_z;^y~ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
jun>(7 }
Pv+[N{ W{?7Pn?1` OtrO"K 8.关于日期格式
vB#&XK.aW WpWnwQY`# 日期格式设定
:W? 7J" DataFormatString="{0:yyyy-MM-dd}"
7fgA)dU:K 0Zs}y\J` 我觉得应该在itembound事件中
uF+if`? e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
dl6d!Nz* +q|2j>k@ 9.获取错误信息并到指定页面
CZS{^6Ye R]0awV1b 不要使用Response.Redirect,而应该使用Server.Transfer
>u4%s7v YJ'h=!p}G e.g
e #>wv]V // in global.asax
7^A;.x protected void Application_Error(Object sender, EventArgs e) {
$RuJm\f if (Server.GetLastError() is HttpUnhandledException)
:lcZ)6&S Server.Transfer("MyErrorPage.aspx");
&s>HiL>f 1NtN-o)N? //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
S>Z V8 }
&~29 %Ns OQ;DqV Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
s +gZnne F0t!k> 10.清空Cookie
ZTfs&5 Cookie.Expires=[DateTime];
TyY[8J| Response.Cookies("UserName").Expires = 0
Dt0S"`^=k \Azl6`Em 11.自定义异常处理
p6$ QTx
//自定义异常处理类
,^3eMn using System;
oe}nrkmb using System.Diagnostics;
?%J{1+hY .iNPLz1 namespace MyAppException
'j6PL;~c {
UQgOtqL3 /// <summary>
@%q0fj8b /// 从系统异常类ApplicationException继承的应用程序异常处理类。
In#V1[io /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Yv\.QrxPm /// </summary>
;Oh4W<hH} public class AppException:System.ApplicationException
<7fF9X {
x48Y#"' public AppException()
*lRP ZN {
TK<~(Dk if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
uh*b[`e }
{|c
<8 b&f;p}C24 public AppException(string message)
M)C.bo{p {
Y
O;N9wu3f LogEvent(message);
-K hXb }
HUiW#x%; OiH
tobM public AppException(string message,Exception innerException)
w-*$gk] {
o65:)z
u LogEvent(message);
%B5.zs]Of if (innerException != null)
KoZ" yD {
;A7HEx LogEvent(innerException.Message);
<yz)iCU? }
t-*oVX3D }
rK)aR ac%%*HN, //日志记录类
Bh$hgf.C using System;
QNj hA '[T using System.Configuration;
WW82=2rJ9 using System.Diagnostics;
A ^@:Ps using System.IO;
9r=@S using System.Text;
JYB"\VV using System.Threading;
flDe*F^ 1^ZQXUzl%i namespace MyEventLog
:c3}J<Z {
)X2=x^u*U /// <summary>
rt)70= /// 事件日志记录类,提供事件日志记录支持
>fRI^Q, /// <remarks>
~`)`Ip /// 定义了4个日志记录方法 (error, warning, info, trace)
VcKufV' /// </remarks>
M7!>-P /// </summary>
.|`JS?L[ public class ApplicationLog
g]?&qF} {
"Opk:;. /// <summary>
d7s? c /// 将错误信息记录到Win2000/NT事件日志中
*X- 6]C /// <param name="message">需要记录的文本信息</param>
S\=j; Uem /// </summary>
0;
GnR 0 public static void WriteError(String message)
A.tONPi {
VL=. JwK WriteLog(TraceLevel.Error, message);
2>BWu }
G;:n*_QXE rmXxid /// <summary>
ZYDLl8 /// 将警告信息记录到Win2000/NT事件日志中
9a}rE /// <param name="message">需要记录的文本信息</param>
1sp>UBG /// </summary>
'F>eieO public static void WriteWarning(String message)
ParOWs~W/ {
NFq&a i WriteLog(TraceLevel.Warning, message);
_aa3;kT_ }
a9S0glbwf L1=+x^WQ /// <summary>
w@w(AFV9/ /// 将提示信息记录到Win2000/NT事件日志中
|hBX" /// <param name="message">需要记录的文本信息</param>
kDJ$kv /// </summary>
_~V7m public static void WriteInfo(String message)
faQ}J%a {
*Kj*| >) WriteLog(TraceLevel.Info, message);
N~7xj? }
jo 0
d# /// <summary>
JGQlx-qv /// 将跟踪信息记录到Win2000/NT事件日志中
NAd|n+[d /// <param name="message">需要记录的文本信息</param>
:pj00 /// </summary>
a@(4X/| public static void WriteTrace(String message)
}
IJ {
CqW:m*c WriteLog(TraceLevel.Verbose, message);
2ghTAsUx9 }
Py2AnpYa +M4X
r* /// <summary>
8m%+O# /// 格式化记录到事件日志的文本信息格式
hBb&-/ /// <param name="ex">需要格式化的异常对象</param>
%04N"^mT'~ /// <param name="catchInfo">异常信息标题字符串.</param>
Qtj.@CGB /// <retvalue>
o,o,(sII /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
nx{_^sK /// </retvalue>
anDwv
} /// </summary>
cp D=9k!*K public static String FormatException(Exception ex, String catchInfo)
[O)(0 {
.|>zQ(7YC StringBuilder strBuilder = new StringBuilder();
b(^g v if (catchInfo != String.Empty)
zxN,ys {
I*,!zym strBuilder.Append(catchInfo).Append("\r\n");
5=<
y%VF }
h SGI strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
qg521o$* return strBuilder.ToString();
50MdZ;R-3 }
WhPwD6l> 5/U|oZM" /// <summary>
<cC 0l-= /// 实际事件日志写入方法
lw/zgR#| /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
6T3uv,2 /// <param name="messageText">要记录的文本.</param>
| %E\?-TK /// </summary>
.MNi)+ private static void WriteLog(TraceLevel level, String messageText)
-P I$SA, {
8sMDe' try
&)(>e}es {
lqD.epm EventLogEntryType LogEntryType;
8GRp1'\Hi switch (level)
syuW>Z8s {
vTrjhTa\ case TraceLevel.Error:
Cs2hi,s LogEntryType = EventLogEntryType.Error;
t(<^of: break;
PKDzIA~T case TraceLevel.Warning:
U)v['5% LogEntryType = EventLogEntryType.Warning;
$!~R'N c break;
&ZkY9XO case TraceLevel.Info:
nIRJ5|G( LogEntryType = EventLogEntryType.Information;
gmCW__oR break;
i}fAjS:W case TraceLevel.Verbose:
,tt
.oF|
LogEntryType = EventLogEntryType.SuccessAudit;
_G$SA-W( break;
->BGeP_=| default:
(s:ihpI LogEntryType = EventLogEntryType.SuccessAudit;
18(hrj break;
MCPVql`+`q }
,r=9$i_ z%lu% EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
]4{ )VXod //写入事件日志
%kS4v,I eventLog.WriteEntry(messageText, LogEntryType);
:K:oH}4oh bOEO2v'cQ }
I:~KF/q catch {} //忽略任何异常
{6_M$"e. }
pUGFQ."\ } //class ApplicationLog
|4$.mb.
}
{;z{U;j >i6sJ)2?> 12.Panel 横向滚动,纵向自动扩展
?L%BD7 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
d4#CZv[g/ d8)ps, 13.回车转换成Tab
R6(sWN- <script language="javascript" for="document" event="onkeydown">
e_<'zH_1 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
O c[F event.keyCode=9;
p)u?x)w= </script>
r<%ua6@ S'%|40U onkeydown="if(event.keyCode==13) event.keyCode=9"
F
K7cDaI kFRl+,bi~ 14.DataGrid超级连接列
KT4h3D`, DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9wTN*y {h}0"5 15.DataGrid行随鼠标变色
J1s~w`, private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
R&-Vm3mc3 {
!J6;F}Pd/ if (e.Item.ItemType!=ListItemType.Header)
[%uj+?}6O {
Nv~H797B e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
FI(iqSJ6 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
rWP
-Rm }
5LX%S .CW }
%W(/W9B$/F f?qp* 16.模板列
}fV+Kd$CB <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
!RXG{1: <ITEMTEMPLATE>
{!L25 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
N^TE
;BM </ITEMTEMPLATE>
^H(,^cVN </ASP:TEMPLATECOLUMN>
"c5bz +_T`tmQ <ASP:TEMPLATECOLUMN headertext="选中">
W{is 2s <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
P3k@ptc-K <ITEMTEMPLATE>
Z1y=L$t8 <ASP:CHECKBOX id="chkExport" runat="server" />
;ztt*py </ITEMTEMPLATE>
*}P=7TuS <EDITITEMTEMPLATE>
@2;/-,4O <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
z[sP/{~z </EDITITEMTEMPLATE>
{8pN]=SaJ~ </ASP:TEMPLATECOLUMN>
RYyM;<9F y2o~~te 后台代码
v,d
bto0 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
y,xJ5BI$ {
0,]m.)ws //改变列的选定,实现全选或全不选。
~QngCg-5q CheckBox chkExport ;
)>]@@Trx if( CheckAll.Checked)
)?MUUI : {
(Zoopkxw foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
$.F.xYS9IJ {
_]t^F9l chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
UJiy]y chkExport.Checked = true;
c0v6*O) }
U}R( }
+GvPJI else
XI\P#" {
DS|q(O=7~t foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Y[rRz6.*( {
s4[PwD chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
vLs*}+f chkExport.Checked = false;
/^sk y! }
A4daIhP
( }
#Dp]S,e }
J3XrlSc ugzrG0=lx 17.数字格式化
dUH+7.\ =`ECM7 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
rcz9\@M <%#Container.DataItem("price","{0:¥#,##0.00}")%>
slQEAqG)B -sxu7I int i=123456;
dK41NLGQ string s=i.ToString("###,###.00");
X@ S~D7|ja d*_rJE}B 18.日期格式化
joBS{] M.67[Qj~"u 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
#A&49a3^1 <DN7 显示为: 2004-8-11 19:44:28
8GeJ%^0o} @rS(3wu_& 我只想要:2004-8-11 】
'fYF1gR4 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
^/I.? :+ \ #N))gAQ 应该如何改?
"(mF5BE-E "?^#+@LV 【格式化日期】
s6k(K>Pl F#^/=AR' 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
owx0J,,G w:ASB>,! 【日期的验证表达式】
(aLjW= tgj5l#P A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
@0V4$OoFl ^((\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})))?$
Q <ulh s .,f]'!5 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
5w%[|%KG:L ^\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]))$
Wm4C(y@ zt!7aVm
n 【大小写转换】
V -_MwII- HttpUtility.HtmlEncode(string);
[?bq4u` HttpUtility.HtmlDecode(string)
p6&<eMwFA Vjd(Z 19.如何设定全局变量
{Ve3EYYm sL,|+>7T^M Global.asax中
7\N }QP0"u Pif-uhOk% Application_Start()事件中
L)qUBp@MW CF:L#r 添加Application[属性名] = xxx;
jO9!:L>b` _9dW+ 就是你的全局变量
2O- 4x q/Zs]Gz 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
YP[8d, J #5V>7G HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
_2{2Xb qMoo#UX 【ASPNETMENU】点击菜单项弹出新窗口
uzT+, %`~+^{Wp 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
G9Noch9
g <?xml version="1.0" encoding="GB2312"?>
j7$xHnV4 <MenuData ImagesBaseURL="images/">
_.E{>IFw <MenuGroup>
f^KN8N <MenuItem Label="内参信息" URL="Infomation.aspx" >
g W_E <MenuGroup ID="BBC">
=[zP <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
maa$kg8U*! <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
|Qcj+HH. ......
`PUxR8y / !y~Q|<|= 最好将你的aspnetmenu升级到1.2版
SurreD<x y4r?M8]"r 21.读取DataGrid控件TextBox值
^IyYck'y+ foreach(DataGrid dgi in yourDataGrid.Items)
59p'U /| {
+SE \c TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
U#bmMH tb.Text....
RNQq"c\ }
,F*HZBNFZ _CTg")0o 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?
q/Vl>t fUfd5W1" 〖思归〗
KFRf5^ % <asp:TemplateColumn HeaderText="数量">
f mJK+ <ItemTemplate>
CU*TY1% <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
&5.J y2hO] onkeyup="javascript:DoCal()"
"q1S.3V; />
P;K LN9/4 XR3 dG: <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
KeB??1S </ItemTemplate>
D?8(n=#[ </asp:TemplateColumn>
OCJt5#e~A %IE;'aa
} <asp:TemplateColumn HeaderText="单价">
Ke3~o"IQ <ItemTemplate>
E:k]Z <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
FCOa|IKsN onkeyup="javascript:DoCal()"
%#PWD7a\ />
:475FPy] Aqz $WTHW+ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
MM*~X"A + !"YC </ItemTemplate>
7[uN;B#V </asp:TemplateColumn>
ya5HAs aMxj{*v7 <asp:TemplateColumn HeaderText="金额">
yPe9KN_ <ItemTemplate>
G<k.d"< <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
;DhAw 1 </ItemTemplate>
C[hNngb7R </asp:TemplateColumn><script language="javascript">
JiO8EIM function DoCal()
mxBx?xM- {
\x:U`T var e = event.srcElement;
98| v.d var row = e.parentNode.parentNode;
+'iqGg- var txts = row.all.tags("INPUT");
KaS*LDzw if (!txts.length || txts.length < 3)
=S6bP<q return;
Y:#B0FD,gC I$x<B7U var q = txts[txts.length-3].value;
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