1. 打开新的窗口并传送参数:
+.T&U7xV G _{x)@ 传送参数:
jX79Nm| response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
PYYOC"$ S$Tc\/{ 接收参数:
,25Qhz] string a = Request.QueryString("id");
`Pv[A string b = Request.QueryString("id1");
C{<qc,!4 [ 44d(P' 2.为按钮添加对话框
.AOf-a Button1.Attributes.Add("onclick","return confirm(’确认?’)");
~r6qnC2 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Tp&03 E4aCL#}D 3.删除表格选定记录
oX@0+*" int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
QXnL(z string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
6u`E{$ , [xDNl[Y| 4.删除表格记录警告
L<encPJt private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
cTpAU9|( {
=l
TV2C< switch(e.Item.ItemType)
qr[H0f] {
xJ)hGPrAl case ListItemType.Item :
y|1,h}H^n case ListItemType.AlternatingItem :
(-tF=wR,W case ListItemType.EditItem:
Gk0f#; TableCell myTableCell;
#8G(r9 myTableCell = e.Item.Cells[14];
w:P$S LinkButton myDeleteButton ;
TOp|Qtn myDeleteButton = (LinkButton)myTableCell.Controls[0];
GtRc7, myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
r7r>1W%4 break;
#y }{ 'rF? default:
[!B($c|\ break;
st"uD\L1p: }
{#aW")x^# >
Q+Bw"W< }
]4 2bd S+G!o]&2 5.点击表格行链接另一页
C~F do0D private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
h=uwOi6} {
mrR~[533j //点击表格打开
M[N$N`9 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
B:om61Dn e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
]p/f@j?LU }
(5y+g?9d; |[/[*hDZ9 双击表格连接到另一页
Z&gM7Zo8 I^*&u, 在itemDataBind事件中
'`$z!rA if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
c=iv\hn {
D3s]49j) string OrderItemID =e.item.cells[1].Text;
hce *G@b ...
~wmc5L/!? e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
x}t,v.: }
#'N"<o[ RHc63b\ 双击表格打开新一页
w,fA-*bZ 0 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
[;3` Aw {
jdsN ZV string OrderItemID =e.item.cells[1].Text;
AV\6K;~ ...
Ww&~ZZZ { e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
8.4 1EKr2 }
J0@<6~V6o bM[!E 8dF ★特别注意:【?id=】 处不能为 【?id =】
Ergh]"AD6- 6.表格超连接列传递参数
`wRQ-<Y <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
^a&-GhX; <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
#jAlmxN #flOaRl. 7.表格点击改变颜色
O(U'G|
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ZSCZt&2v {
I^>m-M. e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
II;fBcXF this.style.color=’buttontext’;this.style.cursor=’default’;");
/ 4P+ }
:td#zM $xRZU9+ 写在DataGrid的_ItemDataBound里
56 k89o if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
VPG+]>* {
0J-] e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
{kGcZf3h this.style.color=’buttontext’;this.style.cursor=’default’;");
dc[w` e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
(\^| @ }
#-b0U[,. g.![>?2$8 acd8?>%[ 8.关于日期格式
<T?H
H$es) P%`|Tu!B 日期格式设定
"iFA&$\ DataFormatString="{0:yyyy-MM-dd}"
jiS|ara" aChyl;#E 我觉得应该在itembound事件中
+DMD
g. e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
kigq(a vK\n4mE[, 9.获取错误信息并到指定页面
~Pq(Ta d~B]s 不要使用Response.Redirect,而应该使用Server.Transfer
ts
BPQ 8Ne "RPX_ e.g
VJ1(|v{D4[ // in global.asax
z8W@N8IqC protected void Application_Error(Object sender, EventArgs e) {
KUs\7Sb if (Server.GetLastError() is HttpUnhandledException)
$F V!HD Server.Transfer("MyErrorPage.aspx");
qI-q%]l m/W0vPM1 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
M>H4bU( }
5fpBzn$ xlQl1lOX 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
9GdQ$^m %YjZF[P 10.清空Cookie
cR.[4rG' Cookie.Expires=[DateTime];
F0,-7<G Response.Cookies("UserName").Expires = 0
N<bNJD} e_3KNQ`kA 11.自定义异常处理
L@> +iZSO //自定义异常处理类
H]v"_!(\ using System;
(ATvH_Z using System.Diagnostics;
Y@WCp x!$Dje} namespace MyAppException
Ta;'f7Oz {
5r1{l%? /// <summary>
2p3ep, /// 从系统异常类ApplicationException继承的应用程序异常处理类。
" jefB6k9h /// 自动将异常内容记录到Windows NT/2000的应用程序日志
rG7S^,5o /// </summary>
!Gwf"-TQ public class AppException:System.ApplicationException
K}^Jf; {
X
?p_O2#k public AppException()
y>+xdD0+ {
_y~H#r9: if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
.eQIU$Kw!O }
V&)lS Qw +QS7F`O public AppException(string message)
B- 63IN {
}T!2IaAB LogEvent(message);
AEx|<E0 }
UPtWj8h xgl~4 public AppException(string message,Exception innerException)
eM)E3~K:2 {
NXhQdf LogEvent(message);
cZ$!_30N+ if (innerException != null)
,/V'(\>
{
:/e=J LogEvent(innerException.Message);
,BuN]9# }
-!]Ie4" }
QW~-+BD 9:tvkl //日志记录类
n ,<`.^ using System;
8 jom)a using System.Configuration;
**I9Nw!IH using System.Diagnostics;
,,+ ~./) using System.IO;
.\*3t/R=X using System.Text;
)IIQ{SwQq using System.Threading;
>patv k&\YfE3* namespace MyEventLog
UloZo?
e` {
}NQx2k0 /// <summary>
l@}BWSx&ms /// 事件日志记录类,提供事件日志记录支持
!6:q#B* /// <remarks>
F">>,Oc)U" /// 定义了4个日志记录方法 (error, warning, info, trace)
<,S0C\la= /// </remarks>
!*8x>,/> /// </summary>
RZykwD( public class ApplicationLog
.hh2II {
Up|\&2_ /// <summary>
ZB-+bY /// 将错误信息记录到Win2000/NT事件日志中
-"L)<J@gQ? /// <param name="message">需要记录的文本信息</param>
D7Y5q*F /// </summary>
<&'Y e[k public static void WriteError(String message)
X8T7(w<0%f {
R#Z1+&=' WriteLog(TraceLevel.Error, message);
Nkfu k }
a$p2I+lX )r
O`K /// <summary>
5BKmp-m /// 将警告信息记录到Win2000/NT事件日志中
nU"V@_?\ /// <param name="message">需要记录的文本信息</param>
*qcL(] Yq /// </summary>
4_,l[BhsQG public static void WriteWarning(String message)
/Cd`h;#@ {
V'h
O WriteLog(TraceLevel.Warning, message);
7#Qa/[? D }
W'{q g%w@v$ /// <summary>
[kqxC /// 将提示信息记录到Win2000/NT事件日志中
zT}Q rf~
/// <param name="message">需要记录的文本信息</param>
:=#*[H /// </summary>
qlUYu"`i public static void WriteInfo(String message)
5 Vm
|/ {
A%u@xL,_ WriteLog(TraceLevel.Info, message);
06bl$% }
+4emkDTdR /// <summary>
;S+c<MSl /// 将跟踪信息记录到Win2000/NT事件日志中
\~xOdqF/ /// <param name="message">需要记录的文本信息</param>
{aq\sf;i{ /// </summary>
4%WV)lt public static void WriteTrace(String message)
G+=6]0HT {
]rM{\En WriteLog(TraceLevel.Verbose, message);
U5mec167
}
.rj FhSr$ 2tvMa%1^ /// <summary>
?MhRdY /// 格式化记录到事件日志的文本信息格式
sY,!Ir`/` /// <param name="ex">需要格式化的异常对象</param>
;_0)f /// <param name="catchInfo">异常信息标题字符串.</param>
d#T8|#O" /// <retvalue>
n<:/ X tE /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
#)%N+Odnr /// </retvalue>
zOq~?>Ms6 /// </summary>
)>,b>7 public static String FormatException(Exception ex, String catchInfo)
4ei
.- {
Y_`D5c: StringBuilder strBuilder = new StringBuilder();
>Uvtsj# if (catchInfo != String.Empty)
,eRl
Z3T {
Yt*M|0bL strBuilder.Append(catchInfo).Append("\r\n");
8eP2B281 }
96F:%|yG strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
X|L8s$> return strBuilder.ToString();
okX\z[X }
1W;3pN $P]%Px!x /// <summary>
HSx~Fs^J /// 实际事件日志写入方法
=S@$"_& /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
kP%W:4l0 /// <param name="messageText">要记录的文本.</param>
ua:.97~Ym /// </summary>
CGg:e:4 private static void WriteLog(TraceLevel level, String messageText)
1$idF {
B@*BcE? try
%dZD;Vhg {
$X5~9s1Wl EventLogEntryType LogEntryType;
-mZo` switch (level)
?{q w
/& {
l1c&a[M) case TraceLevel.Error:
,$3 LogEntryType = EventLogEntryType.Error;
u*Oz1~ break;
tZ[BfO case TraceLevel.Warning:
[p@NzS/ LogEntryType = EventLogEntryType.Warning;
5h[u2&;G break;
p)tac*US case TraceLevel.Info:
QN-n9f8 LogEntryType = EventLogEntryType.Information;
c}mJ6Pt break;
:LVM'c62c> case TraceLevel.Verbose:
&+`l
$h LogEntryType = EventLogEntryType.SuccessAudit;
NpD}7t<EF break;
GT%V,OJ
default:
MvY0?!v
LogEntryType = EventLogEntryType.SuccessAudit;
U=XaI%ZM) break;
X5wS6v)#( }
?9vBn uGl0z79 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
u7j-uVG //写入事件日志
s~/]nz]"J eventLog.WriteEntry(messageText, LogEntryType);
p%IR4f >^:g[6Sj }
nAF@47Wo catch {} //忽略任何异常
YH<F~F _ }
C?rL>_+71 } //class ApplicationLog
'*>LZo4 }
Beqhe\{ mkBQX 12.Panel 横向滚动,纵向自动扩展
j %TYyL- <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
^yK94U;<Gy .EloBP 13.回车转换成Tab
5?;'26iC <script language="javascript" for="document" event="onkeydown">
}U'5j/EFZ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
V-=$:J"J'\ event.keyCode=9;
5F2+o#*h </script>
DHt 8 f zwU8i VDe onkeydown="if(event.keyCode==13) event.keyCode=9"
(53dl(L? o9wg<LP 14.DataGrid超级连接列
RW(AjDM DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
RU"w|Qu>pM Z(K [oUJx 15.DataGrid行随鼠标变色
NH'RU`U) private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@hzQk~Gdi {
`4}!+fXQ if (e.Item.ItemType!=ListItemType.Header)
Ynz^M{9)K {
10#!{].#x e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Y1k/ngH e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
";s5It
}
sQJM 4'8f }
qsvUJU *~!xeL 16.模板列
+ZRsa`'^ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
2Fx<QRz <ITEMTEMPLATE>
18[f_0@ # <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
:VN<,1s9p^ </ITEMTEMPLATE>
Od&M^;BQ </ASP:TEMPLATECOLUMN>
WKah$l nNhN:? <ASP:TEMPLATECOLUMN headertext="选中">
Z$zUy|s[ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\)M5o <ITEMTEMPLATE>
(X!/tw,. <ASP:CHECKBOX id="chkExport" runat="server" />
p~8~EQFj </ITEMTEMPLATE>
3]N}k|lb% <EDITITEMTEMPLATE>
M8[YW|VkP <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
tB_ V%qH </EDITITEMTEMPLATE>
hsqUiB tc6 </ASP:TEMPLATECOLUMN>
W$'pUhq\H /kw4":{] 后台代码
yN>"r2 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
^OBaVb {
W77JXD93 //改变列的选定,实现全选或全不选。
#eUfwd6.Y CheckBox chkExport ;
p,tB if( CheckAll.Checked)
>^-[Mpa(* {
,xTbt4J foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Y~vTFOI {
U~H'c
p chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
]#BXaBVMY chkExport.Checked = true;
]Rj"/(X, }
>`{i[60r }
{Y0I A97, else
rM?D7a{q {
Ap!UX=HBb foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0H>Fyl2_ {
7_K(xmK chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
tjd"05"@: chkExport.Checked = false;
vj^UF(X }
ZH0f32K }
N!h>fE` }
N"T8
Pt %x927I> 17.数字格式化
O]Kb~jkd }TF<C!] 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
6U&Uyd) <%#Container.DataItem("price","{0:¥#,##0.00}")%>
z!3Z^d` rmabm\QY int i=123456;
]Ea7b string s=i.ToString("###,###.00");
9Np0<e3p @wFm])}0 18.日期格式化
;etQ J.nVEqLZ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
?s?uoZ /2 pc.0;gN 显示为: 2004-8-11 19:44:28
E{fnh50^Q. O,>&w5 我只想要:2004-8-11 】
ks r5P~ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
#!5Nbe e`~q;?: 应该如何改?
WuNu}Ibl}m Dw#&x/G 【格式化日期】
yBe/UFp+ _bd#C 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
PR'FSTg ]bR'J\Fwl 【日期的验证表达式】
gK<- *v h4qR\LX A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
gU~)(|Nu. ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
up1aFzY|6x !<LS4s; B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
?hmb"^vlG ^\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]))$
62_$O" 8;'n.SC{ 【大小写转换】
UA9LI<Y HttpUtility.HtmlEncode(string);
K$]QzPXS HttpUtility.HtmlDecode(string)
zh.c_>jS lET)<V(Y 19.如何设定全局变量
Tk!b`9 `o3d@Vc Global.asax中
\k,bz0 M/DTD98'N Application_Start()事件中
:3t])mL# h0eo:Ahi 添加Application[属性名] = xxx;
m2! 7M%]GC TkBBHg; 就是你的全局变量
y2U:( H:l! ?qbp 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
UQR"wUiiV UZ!hk*PF HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
VM!x)i9z mTPj@F> 【ASPNETMENU】点击菜单项弹出新窗口
CHU'FSq! **q/'K 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
%PS-nF7v <?xml version="1.0" encoding="GB2312"?>
A;!FtD/
<MenuData ImagesBaseURL="images/">
1A)~Y <MenuGroup>
uUe\[-~ <MenuItem Label="内参信息" URL="Infomation.aspx" >
G8s`<:9* <MenuGroup ID="BBC">
0/6&2 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
]]Z,Qu#<- <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
z3C^L ......
ul?BKV+3E qLP+@wbJ 最好将你的aspnetmenu升级到1.2版
=c,gK8C oB\Xl)A< 21.读取DataGrid控件TextBox值
PsgzDhRv foreach(DataGrid dgi in yourDataGrid.Items)
UIl_&| {
TUaK:*x* TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
6a?y$+pr tb.Text....
vVW=1(QWI# }
o.5j@dr Tpukz_F 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
/wTf&_"mTL r$F]e]Ic\ 〖思归〗
p.9v<I%0 <asp:TemplateColumn HeaderText="数量">
y]l"u=$Tr{ <ItemTemplate>
<J)A_Kx[57 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
2mUu3fZ onkeyup="javascript:DoCal()"
_}&]`,s> />
m%[t&^b}T *r`Yz} <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
kpH;D=; </ItemTemplate>
Q
8rtZ </asp:TemplateColumn>
%wf|nnieZ pPZ/ O6 <asp:TemplateColumn HeaderText="单价">
j0~3[dyqU <ItemTemplate>
L0kNt
&di <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
NXBOo onkeyup="javascript:DoCal()"
0 MIMs# />
gDub+^ye>/ -W_s]oBg <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
.Y|\7%( .A\ \v6@ </ItemTemplate>
xp&!Cl>C3\ </asp:TemplateColumn>
S=}~I 9oP{Al <asp:TemplateColumn HeaderText="金额">
*d@Hnu"q <ItemTemplate>
/[ ? F1Q <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
~vGtNMQg </ItemTemplate>
`z_7[$\~ </asp:TemplateColumn><script language="javascript">
&HK s > function DoCal()
L"iyjL<M {
~
ZL`E var e = event.srcElement;
Fnpn_O XlH var row = e.parentNode.parentNode;
t^,Qy.L0 var txts = row.all.tags("INPUT");
358/t/4{p if (!txts.length || txts.length < 3)
IxZ.2 67 return;
n\-_i2yy ^\&g^T% var q = txts[txts.length-3].value;
;a&:r7]= var p = txts[txts.length-2].value;
oKi1=d+T io{H$ x( if (isNaN(q) || isNaN(p))
R2aK5~ return;
Sx)Il~ x {z /^X<T q = parseInt(q);
9.zQ<