1. 打开新的窗口并传送参数:
(Huvo9 KD A8x W 传送参数:
B]tj0FB`-* response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
KS8@A/f [RKk-8I 接收参数:
</;e$fh` string a = Request.QueryString("id");
]AA|BeL?| string b = Request.QueryString("id1");
hk=[v7 FQ0&{ulb 2.为按钮添加对话框
:oy2mi; Button1.Attributes.Add("onclick","return confirm(’确认?’)");
a2.6S./ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
d(|?gN^ /lR*ab 3.删除表格选定记录
vk
E]$4P[$ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
O^!ds string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
w\i]z1 HsTY* ^V 4.删除表格记录警告
s3sRMB2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
nam]eW {
;@S'8 switch(e.Item.ItemType)
,oH\rrglf {
HXT"&c| case ListItemType.Item :
c<Cf|W case ListItemType.AlternatingItem :
P Ptmh. }e case ListItemType.EditItem:
:=*G7ZyW$
TableCell myTableCell;
F)~>4>hPr myTableCell = e.Item.Cells[14];
fNi&r0/-t LinkButton myDeleteButton ;
Fk49~z myDeleteButton = (LinkButton)myTableCell.Controls[0];
CN(-Jd.b myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
}&+,y<> break;
gpyio1V> default:
W#!AZ ! break;
iPl,KjGk }
\dU.#^ryp :ILpf+`yY }
1c QF(j_ BPv+gx(>k 5.点击表格行链接另一页
7*{l\^ism; private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
vcj(=\
e8v {
P7W|e~]Yq //点击表格打开
nGWy4rY2S if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
r'nPP6` e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
F&uiI;+zJ }
s@$0!8sxm rAtCG1Vr 双击表格连接到另一页
u(3 uZ: Cxq|N]E
在itemDataBind事件中
::{\O\w if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1o/(fy {
v/xlb&Xx string OrderItemID =e.item.cells[1].Text;
7]Qxt%7/> ...
#Tzs9Bkaca e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
XM5)|D }
VF11eZ" ~D5FnN9 双击表格打开新一页
+dLUq2 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
pjS##pgVq {
DM v;\E~D string OrderItemID =e.item.cells[1].Text;
6bs-&Vf ...
b=BNbmX e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
cQLPgE0 }
p@q20>^u o=94H7@ ★特别注意:【?id=】 处不能为 【?id =】
1H.;r(c 6.表格超连接列传递参数
>0:3CpO* <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
ea @
H <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
kuBtPZ !nL94:8U 7.表格点击改变颜色
:RIqA/ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9$U>St {
?r(vXq\ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
6'mZM=d this.style.color=’buttontext’;this.style.cursor=’default’;");
~0024B[G }
~)$R'= gktlwiCZ 写在DataGrid的_ItemDataBound里
H @zZ[ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
?>ZrdfTwz, {
rZ.=Lq e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
XFs7kTY this.style.color=’buttontext’;this.style.cursor=’default’;");
fA?Wf[`x e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
@G#`uoD }
jxW/"Q w<!&% _"D J|j 8.关于日期格式
:#sBNy >op/<?< 日期格式设定
hx%UZ <a DataFormatString="{0:yyyy-MM-dd}"
B
(h`~pb .
P44t 我觉得应该在itembound事件中
cuG;1,?b e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
-KbO[b\V |@b|Q, 9.获取错误信息并到指定页面
K4Nz I9@ O*/Utl 不要使用Response.Redirect,而应该使用Server.Transfer
6,CK1j+tZ ZA_~o#0% e.g
FB+nN5D/ // in global.asax
{hO|{vz protected void Application_Error(Object sender, EventArgs e) {
t':*~b{V@7 if (Server.GetLastError() is HttpUnhandledException)
|C+
5 Server.Transfer("MyErrorPage.aspx");
?OO !M M>RLS/r>d //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
|M<R{Tt}nf }
wN0?~ |`wJ
{- Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
hZe9 Y?) _fj@40i M 10.清空Cookie
3e;K5qSeo/ Cookie.Expires=[DateTime];
D 5Z7?Y Response.Cookies("UserName").Expires = 0
B%[#["Ol J{EK}' 11.自定义异常处理
I[ZWOi\-
; //自定义异常处理类
8fWnKWbbjw using System;
JKXIxw>q using System.Diagnostics;
N9Fu ,tBc%&.f namespace MyAppException
|@>Zc5MY$ {
OnW,R3eg /// <summary>
T5-'|+ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Si#XF[/ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
eLN(NSPoS /// </summary>
E&W4`{6K4 public class AppException:System.ApplicationException
=8qhK=&] {
sD XJXJZ public AppException()
EX3;|z@5; {
exm*p/ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
v}z{OB }
{}PBYXR |-AR)Smt public AppException(string message)
Zf\It<zT5 {
ZcN%F)htm LogEvent(message);
[;INVUwG^ }
0ipYXbC 9c@\-Z' public AppException(string message,Exception innerException)
Y2p~chx9 {
KI<Vvcm LogEvent(message);
T^ah'WmNw if (innerException != null)
j~9,Ct {
{[B` q LogEvent(innerException.Message);
2!bE| }
laFF/g;sRC }
)N&v.w POUD*(DqNK //日志记录类
=:'a)o using System;
</d&bS using System.Configuration;
p>]2o\[" using System.Diagnostics;
}NJ? .Y using System.IO;
d5B96;3 using System.Text;
F_Mi/pB^`9 using System.Threading;
v:]
AS: VlFDMw.4.+ namespace MyEventLog
Z,Tv8; {
wms8z /// <summary>
4q5bW+$Xj /// 事件日志记录类,提供事件日志记录支持
7^:0?Q /// <remarks>
~v<,6BS<$Z /// 定义了4个日志记录方法 (error, warning, info, trace)
5zBsu lRt /// </remarks>
nK9A=H'Hc /// </summary>
.@ElfPP(L public class ApplicationLog
\uV;UH7qe {
!M&B=vk4 /// <summary>
Q:B : /// 将错误信息记录到Win2000/NT事件日志中
wMB<^zZmv /// <param name="message">需要记录的文本信息</param>
]jS+ItL@ /// </summary>
&Qdd\h# public static void WriteError(String message)
9WuKW*** {
f&ym'S WriteLog(TraceLevel.Error, message);
VFMg$qv|_ }
DNaU
mz v2Bks2 /// <summary>
o5FBqt /// 将警告信息记录到Win2000/NT事件日志中
\/9uS.Kw /// <param name="message">需要记录的文本信息</param>
29#;;n}p /// </summary>
(HkMubnqg public static void WriteWarning(String message)
%h%^i
{
WVf>>E^1 WriteLog(TraceLevel.Warning, message);
` 0k }
c.PPVqx { LJRdV /// <summary>
"+ji`{ /// 将提示信息记录到Win2000/NT事件日志中
89'XOXl&1 /// <param name="message">需要记录的文本信息</param>
+'x`rk /// </summary>
!f\y3p*j public static void WriteInfo(String message)
|!)3[<. {
jn# WriteLog(TraceLevel.Info, message);
h30~2]hH }
xXu/CGzG /// <summary>
iCIu]6 /// 将跟踪信息记录到Win2000/NT事件日志中
x=bAR%i~ /// <param name="message">需要记录的文本信息</param>
Ss&R!w9p /// </summary>
SA|f1R2uS public static void WriteTrace(String message)
*~|xj,md {
?'h<yxu]u0 WriteLog(TraceLevel.Verbose, message);
Oav^BhUO }
cV5Lp4wY? 13Ee"r /// <summary>
B" wk:\zC /// 格式化记录到事件日志的文本信息格式
>b0e"eGt /// <param name="ex">需要格式化的异常对象</param>
Q<r O5 -K /// <param name="catchInfo">异常信息标题字符串.</param>
lYeot8 /// <retvalue>
G)?O!(_ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
1k\1U /// </retvalue>
Db=
iJ68 /// </summary>
xUzSS@ot^ public static String FormatException(Exception ex, String catchInfo)
[Qv% {
5sx-u!7 StringBuilder strBuilder = new StringBuilder();
-[x^z5Ee` if (catchInfo != String.Empty)
PZRpH {
}yU,_: strBuilder.Append(catchInfo).Append("\r\n");
>=i47-H }
@B~/0
9 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
.) B _~tct return strBuilder.ToString();
Vr f` :% }
lvb0dOmY PS@`
=Z /// <summary>
X{ZBS^M /// 实际事件日志写入方法
C 9,p- /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
X1i6CEa< /// <param name="messageText">要记录的文本.</param>
^&DHBx"J /// </summary>
U\
y?P:yy private static void WriteLog(TraceLevel level, String messageText)
`qSNS-> {
M\8FjJ>9 try
4fZ$&)0& {
j46fQ EventLogEntryType LogEntryType;
}O@S;[v
S switch (level)
~c :e0} {
ZqkP# ]+Y' case TraceLevel.Error:
OHqLMBW!! LogEntryType = EventLogEntryType.Error;
@=b0>^\m break;
* "ER8\ case TraceLevel.Warning:
)AqM?FE4R LogEntryType = EventLogEntryType.Warning;
< 7zyRm@S break;
Z.:5<oEKg case TraceLevel.Info:
IJo`O LogEntryType = EventLogEntryType.Information;
oFHVA!lqe break;
[FC7+
Ey^ case TraceLevel.Verbose:
7~eo^/PbS LogEntryType = EventLogEntryType.SuccessAudit;
]^&DEj{ break;
brNe13d3~" default:
AzN.vA)q LogEntryType = EventLogEntryType.SuccessAudit;
z>&Py( break;
s>"=6 gb }
=q^o6{d0" l`gRw4/$ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
g 6>RyjN //写入事件日志
H[<"DP eventLog.WriteEntry(messageText, LogEntryType);
)dJM ^Cyx"s't }
I4
Tc&b catch {} //忽略任何异常
g84~d(\? }
iyu%o9_0 } //class ApplicationLog
phbdV8$L }
>?b/_O @+Berb 12.Panel 横向滚动,纵向自动扩展
U-3KuR+0 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Fmt5"3B d<V+;">2 13.回车转换成Tab
{.H}+ @0 <script language="javascript" for="document" event="onkeydown">
sryujb., if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
p."pI Bd event.keyCode=9;
)+oDa{dZ </script>
w^p
'D{{ jLD=EJ onkeydown="if(event.keyCode==13) event.keyCode=9"
27t:-O o,D>7|h 14.DataGrid超级连接列
VV?+q) DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
uc=-+*D'I Puily9# 15.DataGrid行随鼠标变色
4'Vuhqk private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
sTeL4g|%{ {
`8xe2=Ub if (e.Item.ItemType!=ListItemType.Header)
-Qiay/tlu {
rNfua
e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
&{x5 |$SD e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
n9t8RcJS: }
\P}~ICZA }
ub+>i S=krF yFw 16.模板列
twNZ^=S Gr <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
@5acTYQ <ITEMTEMPLATE>
zJ3{!E}`v <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
' "~|L>F%G </ITEMTEMPLATE>
H:,rNaz7D^ </ASP:TEMPLATECOLUMN>
GLnj& Ve bH3-#mw5w <ASP:TEMPLATECOLUMN headertext="选中">
ztgSd8GGE <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
i?qS8h{ <ITEMTEMPLATE>
, YTuZS <ASP:CHECKBOX id="chkExport" runat="server" />
*vCJTz </ITEMTEMPLATE>
Xy_+L_h^ <EDITITEMTEMPLATE>
!wJ~p:vRdY <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
<3O> </EDITITEMTEMPLATE>
d=xU
f`^ </ASP:TEMPLATECOLUMN>
%$`pD
I ) #&1mc_`/ 后台代码
fk#SD "iJ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
z1T.\mzfX {
1q}iUnR //改变列的选定,实现全选或全不选。
SEIGs_^'\ CheckBox chkExport ;
k~`pV/6 if( CheckAll.Checked)
qI^6}PB {
Cb x/ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
,Tvk&<!0 {
,kpkXK chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
}/SbmW8(1 chkExport.Checked = true;
HB||'gIC }
v'`C16&^] }
&}OaiTzEmc else
DNLqipUw {
+a"MSPC4w foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
h-<('w:A {
P`@d8%*; chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
C6M|A3^T chkExport.Checked = false;
;R@zf1UYA }
:JV=Kt }
QPg
QM6 }
w;&J._J 4~P{H/] 17.数字格式化
ltwX- ?y>P 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
.Quu_S_vH <%#Container.DataItem("price","{0:¥#,##0.00}")%>
jdK~]eld= B~D{p t3y int i=123456;
GXr9J rs.e string s=i.ToString("###,###.00");
E<:XHjm Ew*_@hVC 18.日期格式化
`J'xVq#O Qo4]_,kR 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
dPc*!xrq ~4"adOv 显示为: 2004-8-11 19:44:28
T4]/w|?G Nv,1F 我只想要:2004-8-11 】
[ %cW ?@ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
f-F+Y`P EeIV6ug 应该如何改?
Ur6UE2 !TA6- ]1 【格式化日期】
^HgQ"dD
< {pH{SRM)B 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
$A;jl`ng R9A8)dDz 【日期的验证表达式】
|L}zB, -*~= 4m< A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
12`q9Io" ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
c@wSv2o$ {_&'tXL B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
#` Q3Z}C ^\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]))$
48hu=,)81* ,m;S-Im_Xr 【大小写转换】
[fx1H~T< HttpUtility.HtmlEncode(string);
ROlef;/A HttpUtility.HtmlDecode(string)
&_Z