1. 打开新的窗口并传送参数:
r2hm`]\8M 8>epKFEg 传送参数:
nH_A`m3%/ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
+q2l,{|? <Z0Tz6/j, 接收参数:
iI_Fbw8 string a = Request.QueryString("id");
V8N<%/A= string b = Request.QueryString("id1");
]#J]f ao,LP,_ 2.为按钮添加对话框
*/qv} Button1.Attributes.Add("onclick","return confirm(’确认?’)");
+6TKk~0e^ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
5\a5^FK~ +^"|FtKhE 3.删除表格选定记录
VWNmqeP int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
E@N_~1 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
LAvAjvRc yC _X@o-n 4.删除表格记录警告
Fs=nAn# private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
HAU8H'h {
9:esj{X switch(e.Item.ItemType)
4e5Ka{# < {
.jRXHrK; case ListItemType.Item :
k r/[|.bq case ListItemType.AlternatingItem :
CE+\|5u
W case ListItemType.EditItem:
c8u&ev.U TableCell myTableCell;
jy1*E3vQ myTableCell = e.Item.Cells[14];
DLz~$TF^ LinkButton myDeleteButton ;
%iX+" myDeleteButton = (LinkButton)myTableCell.Controls[0];
8
{QvB"w myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
/Db~-$K break;
c5]1aFKz default:
PVvG break;
7zNyH(. }
@ 8SYV}0H x2nNkd0h
}
1ITa6vjS _Fer-nQ2R 5.点击表格行链接另一页
au#IA private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
M9i u#6P {
hio{: ( //点击表格打开
"? R$9i if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6x.#K9@q4 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
B,A/
-B\ }
L1 J"_.=P LUCpZ3F1 双击表格连接到另一页
:0vNg:u+ . Bv;Zv 在itemDataBind事件中
3<'n>' if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|w:\fK[ {
3c
^_IuW- string OrderItemID =e.item.cells[1].Text;
bS0LjvY9g ...
Nlo*vu e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
UZdpKi@ }
}$OQw'L[ _@HMk"A 双击表格打开新一页
T}zOM%]] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
W;o\}irep {
gE%- Pf~ string OrderItemID =e.item.cells[1].Text;
=*I>MgCJ ...
dvUJk<;w e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
[jY_e`S }
Iw48+krm> J
\G8g,@ ★特别注意:【?id=】 处不能为 【?id =】
N7[i443a 6.表格超连接列传递参数
v/(< fI^ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
0/),ylCj <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
WJhI6lu 0chBw~@*s 7.表格点击改变颜色
d*!,McBn if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
7?F0~[eGG {
6W$k^<S e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
F+}MW/ra@ this.style.color=’buttontext’;this.style.cursor=’default’;");
x0
3|L!n }
|)0kvf? NBLOcRSh 写在DataGrid的_ItemDataBound里
j]kx~ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
UW40Y3W0 {
"&>$/b$ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
fv}h;?C this.style.color=’buttontext’;this.style.cursor=’default’;");
fD
V:ueO e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
7kj#3(e }
0OlB; P=eL24j 5z=;q!3 8.关于日期格式
&a7KdGP8V 0Y[mh@( 日期格式设定
l0]z Zcpt DataFormatString="{0:yyyy-MM-dd}"
6o
{41@v( _,~/KJp 我觉得应该在itembound事件中
MQLa+I,S4 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
3'IF?](]U cn Q(
G$kh 9.获取错误信息并到指定页面
gzi~BJ nIdvff 不要使用Response.Redirect,而应该使用Server.Transfer
#knpZ' 6 Rg{^E Rf e.g
qd(`~a // in global.asax
pO x0f;'G+ protected void Application_Error(Object sender, EventArgs e) {
z$S)|6Q
if (Server.GetLastError() is HttpUnhandledException)
yn`H }@`k Server.Transfer("MyErrorPage.aspx");
@VVBl I /\OjtE //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
X 5pp8~ }
`@-H
; wzF/`z&0?6 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
_0ep[r c:4i&|n 10.清空Cookie
"Bn!<h}mg Cookie.Expires=[DateTime];
-Y;(yTtz Response.Cookies("UserName").Expires = 0
5%uLs}{\q @G^
l`% 11.自定义异常处理
Nx,.4CI
//自定义异常处理类
w
{6kU
using System;
vz/.*u using System.Diagnostics;
#2/k^N4r epR7p^`7 namespace MyAppException
11O^)_|c {
1iig0l6\m /// <summary>
<`n T+c /// 从系统异常类ApplicationException继承的应用程序异常处理类。
jl%27Ld /// 自动将异常内容记录到Windows NT/2000的应用程序日志
wxN'Lv=R /// </summary>
t4~Bn<= public class AppException:System.ApplicationException
P^T]U bv" {
&n91f public AppException()
c|IH|y {
&Z#g/Hc if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
NRgNh5/ }
'z>|N{-xG FK{Vnj0 public AppException(string message)
]uG9WT6l {
L;wzvz\+ LogEvent(message);
Jvgx+{Xu }
Q6]SsV?x Fzt{^%\` public AppException(string message,Exception innerException)
p0>W}+8fF {
*FmY4w LogEvent(message);
A )tGB& if (innerException != null)
1 cvoI {
'QeCJ5p] LogEvent(innerException.Message);
,l1A]Wx }
ot8UuBq }
!.Eua3:V* MV'q_{J //日志记录类
h3[^uYe using System;
aHuZzYQ*"j using System.Configuration;
bXmX@A$#Io using System.Diagnostics;
a=]tqV_ using System.IO;
g\ilK:r} using System.Text;
k><k|P[| using System.Threading;
4l_!OUvt )7f;FWI namespace MyEventLog
F-D9nI4{X {
At3> /// <summary>
`O/1aW1 /// 事件日志记录类,提供事件日志记录支持
4,4S5u[| /// <remarks>
0g o{gUI /// 定义了4个日志记录方法 (error, warning, info, trace)
YHSdaocp /// </remarks>
bbddbRj; /// </summary>
$pr\"!|z public class ApplicationLog
leR-oeSO {
~
HN /// <summary>
BE>^;` K /// 将错误信息记录到Win2000/NT事件日志中
# 3UrGom /// <param name="message">需要记录的文本信息</param>
d< j+a1& /// </summary>
=r:(ga public static void WriteError(String message)
HQGn[7JW {
RrA9@95+ WriteLog(TraceLevel.Error, message);
O*jTrZ(k }
(
y0 h9-^aB$8^ /// <summary>
5 6w6=Is /// 将警告信息记录到Win2000/NT事件日志中
/u?ZwoTzY /// <param name="message">需要记录的文本信息</param>
v,,
.2UR4 /// </summary>
||yx?q6\h public static void WriteWarning(String message)
%dn!$[D@ {
z{$2bV WriteLog(TraceLevel.Warning, message);
w>S;}[fM }
7n}$|h5D lrQNl^K}= /// <summary>
2PZ#w(An& /// 将提示信息记录到Win2000/NT事件日志中
'vCl@x$ /// <param name="message">需要记录的文本信息</param>
= j)5kY` /// </summary>
@-zL"%%dw' public static void WriteInfo(String message)
N_L~oX_ {
^`iqa-1 WriteLog(TraceLevel.Info, message);
^jhc(ZW" }
c6-~PKJL /// <summary>
9 n0?0mk /// 将跟踪信息记录到Win2000/NT事件日志中
?$$Xg3w_# /// <param name="message">需要记录的文本信息</param>
-,:^dxE' /// </summary>
}ZqnsLu[) public static void WriteTrace(String message)
b,h@.s {
}jdMo83 WriteLog(TraceLevel.Verbose, message);
@qUgp*+{ }
~ p~ '<=77yDg /// <summary>
)>"|<h.2] /// 格式化记录到事件日志的文本信息格式
tW-wO[2 /// <param name="ex">需要格式化的异常对象</param>
-8zdkm8k /// <param name="catchInfo">异常信息标题字符串.</param>
tEuVn5 /// <retvalue>
uE &/:+ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Y'
FB
{ /// </retvalue>
zy'e|92aO /// </summary>
E5iNuJj=f public static String FormatException(Exception ex, String catchInfo)
-sqd?L.p {
.o#A(3&n StringBuilder strBuilder = new StringBuilder();
nQ +$ if (catchInfo != String.Empty)
ZX0#I W {
0q6xXNAX strBuilder.Append(catchInfo).Append("\r\n");
SL[ EOz# }
n?(sn strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
zQ~N(Jj?h return strBuilder.ToString();
~~r7TPq }
p!/!ZIo @b&_xT /// <summary>
:@@aIFRv /// 实际事件日志写入方法
]621Z1 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
4$oDq /// <param name="messageText">要记录的文本.</param>
slnvrel /// </summary>
w!_6* private static void WriteLog(TraceLevel level, String messageText)
;UpdkY
1 {
vJj}$AlI try
Yr)<1.K4,M {
<sTY<i VR EventLogEntryType LogEntryType;
7S/\;DF switch (level)
[Smqe>U1 {
Nr"gj$v case TraceLevel.Error:
NG5k9pJ LogEntryType = EventLogEntryType.Error;
s|vx2-Cu] break;
tP1znJh>y case TraceLevel.Warning:
}IRD! LogEntryType = EventLogEntryType.Warning;
>PYc57S1c break;
}D]y-BbA. case TraceLevel.Info:
j4wsDtmAU LogEntryType = EventLogEntryType.Information;
"M3S break;
s5\<D7 case TraceLevel.Verbose:
sK@]|9ciQ LogEntryType = EventLogEntryType.SuccessAudit;
dvcLZK break;
K-b`KcX default:
3~%M4( LogEntryType = EventLogEntryType.SuccessAudit;
uCx6/n6' break;
ujW C!*W(Q }
7Y.mp9, C1==a FD EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Q_6v3no1 //写入事件日志
Y41b8.|P+ eventLog.WriteEntry(messageText, LogEntryType);
kx%\Cz ThY\K>@] }
T@xaa\bzg catch {} //忽略任何异常
Qk2*=BVh }
nxJx 8d" } //class ApplicationLog
0nPg`@e . }
Ca["tks .npD<* 12.Panel 横向滚动,纵向自动扩展
>r>pM(h <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
c?*x2Vk cwE?+vB 13.回车转换成Tab
[(; .D <script language="javascript" for="document" event="onkeydown">
%O9P|04]3 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
gI/SA event.keyCode=9;
gb=tc` </script>
*7{{z%5Pu hAJ^(| onkeydown="if(event.keyCode==13) event.keyCode=9"
*SYuq) 4N)45@jk[ 14.DataGrid超级连接列
F?Fxm*Wa/ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
UNA!vzOb 06 an(&a9 15.DataGrid行随鼠标变色
z
s\N)LyM private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
FwV5{-( {
7O~hA*Z if (e.Item.ItemType!=ListItemType.Header)
.[
s6x5M {
z
$iI e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
\0;EHB e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&hEkm }
JSoInR1E }
/~{fPS :j[= 16.模板列
S]ed96V v <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
)0\D1IFJ <ITEMTEMPLATE>
"td ,YVK <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
'#Q\p6G&_ </ITEMTEMPLATE>
WtlLqD!_D </ASP:TEMPLATECOLUMN>
H on,-< UW Px|]RC <ASP:TEMPLATECOLUMN headertext="选中">
Ow{NI-^K <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
NftR2 <ITEMTEMPLATE>
%~\I*v04 <ASP:CHECKBOX id="chkExport" runat="server" />
-+0!Fkt@, </ITEMTEMPLATE>
uyoV) <EDITITEMTEMPLATE>
;73{n*a$ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
`^)oVs </EDITITEMTEMPLATE>
v<ati c </ASP:TEMPLATECOLUMN>
m' eM&1Ba ,_bG'Hmt 后台代码
h$d`Jmaq protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
"d*-k R {
=.IAd<C //改变列的选定,实现全选或全不选。
n],"!>=+ CheckBox chkExport ;
@Ll^ze&HI if( CheckAll.Checked)
\98|.EG {
{tuGkRY2~ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
UAds$9 {
zC rM~ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/~+j[oB chkExport.Checked = true;
op,mP0b }
#;\tgUQ }
q+)s else
]x@36Ok)A {
W
. dm1 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*X2dS
{ {
RaA7 U chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
H284
]i chkExport.Checked = false;
[ z{}? }
8p]Krs: }
"4CO^ B }
5ZjM:wrF| RCMO?CBe 17.数字格式化
(wp?tMN5# +2m\Sv V 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Cdc=1,U( <%#Container.DataItem("price","{0:¥#,##0.00}")%>
F D.L{ 4Z/]7Ie int i=123456;
lmx'w string s=i.ToString("###,###.00");
fn.}LeeS> t7/a5x 18.日期格式化
b|U3\Fmc b(_PV#@$ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
5xc-MkIRL `IK3e9QpcA 显示为: 2004-8-11 19:44:28
eSSv8[u 0*:4@go0}i 我只想要:2004-8-11 】
XtIY8wsP <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
6S?*z
`v (oB9$Zz!t 应该如何改?
$B@K A
w)P%r 【格式化日期】
l_ycB%2e^ M!iYj+nrP 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
r%II`
i w]Ci%W( 【日期的验证表达式】
Q".AmHn
`f%sq*O ~ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
mTZgvPJ! ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
I@YX-@&7 PxgLt2dXa B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
,8@U-7f, ^\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]))$
*Ui>NTl XLFo"f
【大小写转换】
R^GLATM HttpUtility.HtmlEncode(string);
H_7X%TvXb HttpUtility.HtmlDecode(string)
pAdSOR2 3o^oq 19.如何设定全局变量
+7bV A@OSh6/{h Global.asax中
M-NY&