1. 打开新的窗口并传送参数:
m_a^RB( Hx$.9'Oq\Q 传送参数:
JXH",""bq response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
}@d>, 1DU ,09DBxQq, 接收参数:
wGg0hL string a = Request.QueryString("id");
}FrEF\}]_7 string b = Request.QueryString("id1");
'%R<" ~gP7s_qr{ 2.为按钮添加对话框
qQ^d9EK'?~ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
swttp` button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
&=G)NeT_ H#OYw#L"u 3.删除表格选定记录
%/5 1o6a int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
F8;mYuA string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
6DB0ni d$w(-tV42 4.删除表格记录警告
C
8N%X2R private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
C1b*v&1{ {
z.
'Fv7 switch(e.Item.ItemType)
tl|ijR {
w4UD/zO case ListItemType.Item :
>w9sE8i case ListItemType.AlternatingItem :
Q| ?'(J+ case ListItemType.EditItem:
KYp[Gs TableCell myTableCell;
iQqqs`K myTableCell = e.Item.Cells[14];
tww=~! LinkButton myDeleteButton ;
$]C=qM28- myDeleteButton = (LinkButton)myTableCell.Controls[0];
le.anJAr myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
:vpl+)n break;
tZbFvk2 default:
6,X+1EXY break;
'xIyGDe }
Pb#P`L7OB vm8$:W2 } }
!v0"$V5+i "# !D|[h0 5.点击表格行链接另一页
CphFv!k'Z private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_ Hc%4I {
rvwa!YY} //点击表格打开
W RF.[R" if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
0LdJZP e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
F>*{e }
<:">mV+/ e!GZSk
双击表格连接到另一页
YxXqI 9UV9h_.x 在itemDataBind事件中
HmMO*k<6@ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
! D$Ooamq {
"tUwo(K[ string OrderItemID =e.item.cells[1].Text;
hUh+JW ...
UbO4%YHt e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
5Tedo~v }
vwmBUix !scD|ti 双击表格打开新一页
{=67XrWN1 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8f|98T"
{
onwjn+"& string OrderItemID =e.item.cells[1].Text;
l-<`m#/v ...
Sm)u9 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
V7EQ4Om:It }
TN\|fzj +y/ 55VLq ★特别注意:【?id=】 处不能为 【?id =】
h$`#YNd' 6.表格超连接列传递参数
nBkh:5E5% <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
O#)jr-vXdV <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
49AW6H.JT X3',vey 7.表格点击改变颜色
dxK9:IX if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
k=$AhT=e}n {
1yMr~Fo e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
7VAJJv3 this.style.color=’buttontext’;this.style.cursor=’default’;");
b5<okICD }
22&;jpL'?
0mTr-`s 写在DataGrid的_ItemDataBound里
xR?V,uV'$& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Od##U6e` {
%Ds+GM- e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Ab2Q
\+, this.style.color=’buttontext’;this.style.cursor=’default’;");
I-kWS4 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
5wv fF.v }
BEUK}T K4 >&Y-u%}U V%*b@zv 8.关于日期格式
x6W`hpL 1_hW#I\' 日期格式设定
cG{L
jt DataFormatString="{0:yyyy-MM-dd}"
?s2^zT Su7bm1 我觉得应该在itembound事件中
LHkQ'O0 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
=^tA_AxVw iX "C/L|JN 9.获取错误信息并到指定页面
U>a\j2I Jxa4hM0 不要使用Response.Redirect,而应该使用Server.Transfer
Yf}xwpuLk *z8|P#@ e.g
0^3+P%(o@ // in global.asax
D=+NxR[ protected void Application_Error(Object sender, EventArgs e) {
,eRQu. if (Server.GetLastError() is HttpUnhandledException)
nL-K)G, Server.Transfer("MyErrorPage.aspx");
,[e\cnq[ 4CrLkr //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
%S \8. }
j.%K_h?V5 H
C0w;MG) Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
-1u9t4+` .4-,_`T? 10.清空Cookie
>/=> B7 Cookie.Expires=[DateTime];
]rN#B-aAr Response.Cookies("UserName").Expires = 0
R[jEvyD>( y >+mc7n 11.自定义异常处理
?!'ZfQ:zK //自定义异常处理类
iM]o"qOQm using System;
!h`kX[: using System.Diagnostics;
KzV 2MO-$ *F`A S> namespace MyAppException
"@/62b {
hgj <>H| /// <summary>
'xE
_Cj /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Fmr}o(q1 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
t:)ERT") /// </summary>
e<cM[6H'D public class AppException:System.ApplicationException
u0Nm.--;_3 {
?LK 2g public AppException()
!EIjN
{
1P(&J if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
U;q];e:,=} }
~xLJe`"JUx %$5H!!~o public AppException(string message)
j)C:$ {
XYrJ/!*. LogEvent(message);
)"+2Z^1- }
$?P22"/p 2RM+W2!! public AppException(string message,Exception innerException)
_iV]_\0W2 {
`bjizS'^ LogEvent(message);
0#cy=*E if (innerException != null)
,yd= e}lQx {
_zWfI.o LogEvent(innerException.Message);
qIMA6u/ }
De&6 9 }
.iD*>M:W !\Xm!I8 //日志记录类
"Wo,'8{v using System;
NnT g3:. using System.Configuration;
i0jBZW"_1$ using System.Diagnostics;
Bi,;lR5
using System.IO;
GH1"xR4! using System.Text;
[`RX*OH2 using System.Threading;
s?R2B)a u8GMUN namespace MyEventLog
kOo~%kcQ' {
`;l .MZL! /// <summary>
.iX# A<E} /// 事件日志记录类,提供事件日志记录支持
?>"Yr,b? /// <remarks>
#~O b)q| /// 定义了4个日志记录方法 (error, warning, info, trace)
0tg8~H3yy /// </remarks>
kn"(mJe$ /// </summary>
xg_Df, public class ApplicationLog
6GPp>X {
Q6'x\ /// <summary>
<Z}SKR"U% /// 将错误信息记录到Win2000/NT事件日志中
XxIHoX& /// <param name="message">需要记录的文本信息</param>
3jB$2: # /// </summary>
mE%$HZ} public static void WriteError(String message)
V'*~L\;pU {
_WX tB# WriteLog(TraceLevel.Error, message);
l>*"mh }
y\dEk:\) %\|'%/"`2( /// <summary>
o6
E!IX+ /// 将警告信息记录到Win2000/NT事件日志中
Jc&y9]
/// <param name="message">需要记录的文本信息</param>
lKZB?Kk^w\ /// </summary>
s, k public static void WriteWarning(String message)
LJk%#yV|_ {
&F STpBu WriteLog(TraceLevel.Warning, message);
;2'q_Btk4 }
Urr#N 4SPy28<f /// <summary>
h.O$]:N /// 将提示信息记录到Win2000/NT事件日志中
=0uAE7q(9 /// <param name="message">需要记录的文本信息</param>
!$N<ds. /// </summary>
EnOU?D public static void WriteInfo(String message)
ib{-A& {
N_:qRpp6i WriteLog(TraceLevel.Info, message);
_=CZR7:O }
EBz}|GY; /// <summary>
[(1c<b2r /// 将跟踪信息记录到Win2000/NT事件日志中
9z)5Mdf1j /// <param name="message">需要记录的文本信息</param>
w?kJ+lmOQy /// </summary>
dT,o=8fg public static void WriteTrace(String message)
"BX! {
{ZY+L;eg1 WriteLog(TraceLevel.Verbose, message);
P) 3mX.(} }
.`>y@p! [q !TIq /// <summary>
E4m` /// 格式化记录到事件日志的文本信息格式
,|&9M^ /// <param name="ex">需要格式化的异常对象</param>
(=~&+z /// <param name="catchInfo">异常信息标题字符串.</param>
Xd^\@
/// <retvalue>
.{y
uo{u /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
]?*I9 /// </retvalue>
y~()|L[ /// </summary>
")=X4]D public static String FormatException(Exception ex, String catchInfo)
P#=`2a#G {
8 r_>t2$ StringBuilder strBuilder = new StringBuilder();
Aq3}Ng if (catchInfo != String.Empty)
5^^XQ?" {
mZd ,
9 strBuilder.Append(catchInfo).Append("\r\n");
Kq i4hK }
AU2i%Q! strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
kbM3 return strBuilder.ToString();
5mb]Q)f9- }
EkziAON jH_JmYd /// <summary>
BcI|:qv| /// 实际事件日志写入方法
xyI}y(CN1 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
/7gOSwY /// <param name="messageText">要记录的文本.</param>
q$=#A7H>3) /// </summary>
(<^ yqH? private static void WriteLog(TraceLevel level, String messageText)
w*R$o {
XQw>EZdj_N try
L|p
Z$HB {
Ol!ntNhXm EventLogEntryType LogEntryType;
_%QhOY5tv" switch (level)
+SwR+H)? {
iX)%Q case TraceLevel.Error:
jy'13G/b\ LogEntryType = EventLogEntryType.Error;
z[Xd%mhjO break;
P#AW\d^"B case TraceLevel.Warning:
K'GBMnjD LogEntryType = EventLogEntryType.Warning;
/~3r;M break;
H)n9O/u case TraceLevel.Info:
aA,!<^&} LogEntryType = EventLogEntryType.Information;
K.0:C`C break;
Hw4%uS==V case TraceLevel.Verbose:
1YH+d0UGn LogEntryType = EventLogEntryType.SuccessAudit;
MG.`
r{5 break;
Hro-d1J7 default:
55z]&5N LogEntryType = EventLogEntryType.SuccessAudit;
9Q"'"b*?z break;
>3Eo@J,?d }
I"GB<oB (SvWvm EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
{E@Lft- //写入事件日志
A,a.8!*}vd eventLog.WriteEntry(messageText, LogEntryType);
S_Wrw z 8SGo9[U2 }
&G-!qxe catch {} //忽略任何异常
x@[rms
}
_fKou2$yz } //class ApplicationLog
4qk9NK2 U }
1u:<
25 =|Y,+/R? 12.Panel 横向滚动,纵向自动扩展
6ZP"p<xX <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Q637N|01 `G}TG( 13.回车转换成Tab
(=om,g} <script language="javascript" for="document" event="onkeydown">
B\XKw' if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
ZusEfh? event.keyCode=9;
P(f0R8BE </script>
I "A_b}~*} GaK-t*Q onkeydown="if(event.keyCode==13) event.keyCode=9"
xsD($_ j-lfMEa$o 14.DataGrid超级连接列
s6@DGSJ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
oaIi2=Tf C)`Fv=]R 15.DataGrid行随鼠标变色
85LAYaw private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
MB~=f[cUnd {
A|<jX} if (e.Item.ItemType!=ListItemType.Header)
C@'h<[v`1v {
N u<_} e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
ci?qT,& e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
0|{u{w@!` }
@fl-3q }
]d!
UJ&<? ~=uWD&5B4 16.模板列
T9Nb`sbV] <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
f,kZ\Ia'r <ITEMTEMPLATE>
']2E {V <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
xe^Gs]fm </ITEMTEMPLATE>
e4 >_v(' </ASP:TEMPLATECOLUMN>
.K1FKC$C ,g2ij <ASP:TEMPLATECOLUMN headertext="选中">
xLK<W"%0 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
NTYg[VTr <ITEMTEMPLATE>
%H]ptH5 <ASP:CHECKBOX id="chkExport" runat="server" />
?#}N1k\S </ITEMTEMPLATE>
=A83W/4 <EDITITEMTEMPLATE>
EK6:~ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Bu#VMkchJ </EDITITEMTEMPLATE>
wAf\|{Vn </ASP:TEMPLATECOLUMN>
YQj 2 HTX?,C_ 后台代码
Brf5dT49 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
v|dBSX9k0 {
6WXRP;!Q //改变列的选定,实现全选或全不选。
b4[bL2J$h1 CheckBox chkExport ;
H9YW if( CheckAll.Checked)
Y^$X*U/q%U {
W*Zkc:{eB foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
DH\0z[ {
~?d Nd chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
#h`
V>; chkExport.Checked = true;
S[PE$tYT#t }
(|klSz_4LM }
>0ow7Uw; else
8%A#`)fb
{
'>-gi}z7 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
m
qMHL2~ {
(nf~x chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Z2qW\E^_r chkExport.Checked = false;
/5(Yy} }
%A1o.{H }
TO]@
Zu1 }
pNepC<rY xhVO3LW' 17.数字格式化
jB%lB1Q| n<O}hM ZT 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
2bw_IT <%#Container.DataItem("price","{0:¥#,##0.00}")%>
}$SavB#SBP k_
& :24Lj int i=123456;
mr*JJF0Z string s=i.ToString("###,###.00");
ON=@O (^TF%(H 18.日期格式化
J??-j g
jDh?I 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
1OCeN%4]Qk o<BOYrS 显示为: 2004-8-11 19:44:28
lr>oYS0 5m\<U` 我只想要:2004-8-11 】
8']M^|1 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
e7Xeo +/ 6#7Lm) g8 应该如何改?
,(d)Qg Wbr|_W 【格式化日期】
7}f}$1
2Rw&C6("w 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
U>=Z-
T 7K,-01-: 【日期的验证表达式】
m0ER@BXRn ^1iSn)& A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
,k )w6) ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
e6@=wnoX u 5na~@-9p B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
\F1_lq;K ^\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]))$
n0r+A^] C7lH]`W|/ 【大小写转换】
*X'Y$x>f HttpUtility.HtmlEncode(string);
mn, =i HttpUtility.HtmlDecode(string)
*6sl dgR
g>)V 19.如何设定全局变量
+T|JK7 1"zDin!A Global.asax中
^U
`[(kz= sGyeb5c Application_Start()事件中
X 0WJBEE =XA;[PVx:# 添加Application[属性名] = xxx;
%<k2#6K qkt0**\ 就是你的全局变量
Vq2y4D? HG^B#yX 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
.{ocV#{s Wvbf"hq HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
kpJ@M%46
UtPLI al 【ASPNETMENU】点击菜单项弹出新窗口
!}YAdZJ N4^-` 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
m? eiIrMW <?xml version="1.0" encoding="GB2312"?>
q$I;dOCJ, <MenuData ImagesBaseURL="images/">
En~5"yW5>] <MenuGroup>
',Y.v"']4 <MenuItem Label="内参信息" URL="Infomation.aspx" >
H5DC[bZMb% <MenuGroup ID="BBC">
Bc+w+ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
qaY1xPWz" <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
veMH ......
/qMG=Z AqWUwK9T 最好将你的aspnetmenu升级到1.2版
v*'^r)Q[p LxYrl- 21.读取DataGrid控件TextBox值
}SX,^|eN foreach(DataGrid dgi in yourDataGrid.Items)
?u{~> {
F<n3 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
,F79xx9ufg tb.Text....
.Zn^Nw3 }
l==`` .u*0[N 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?
S?> HD| Z ^N7e76VwR 〖思归〗
AP68V <asp:TemplateColumn HeaderText="数量">
@G8lr <ItemTemplate>
#*QO3y~ZM <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
M9!HQ onkeyup="javascript:DoCal()"
sx7eC />
6N!Q:x^4(T 't1ax^-g <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
W#^2#sjO </ItemTemplate>
0t Fkd </asp:TemplateColumn>
dCE0$3'5 ;T"zV{;7BR <asp:TemplateColumn HeaderText="单价">
HBy[FYa4 <ItemTemplate>
1,6}_MA <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
@Ws*Q TlV onkeyup="javascript:DoCal()"
n,jKmA />
hlV=qfc igkYX!0#8O <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Wi*.TWz3 Gr7=:+0n|P </ItemTemplate>
e5* ni/P </asp:TemplateColumn>
gW^VVbB'L Yk)."r&