1. 打开新的窗口并传送参数:
];lZ:gT T2/:C7zL 传送参数:
PZ`11#bbm response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
zj(V\y&H R :(-"GW' 接收参数:
6M.|W; string a = Request.QueryString("id");
\=7jp|{Yl string b = Request.QueryString("id1");
cdh0b7tjn r~2hTie 2.为按钮添加对话框
7RWgc]@?> Button1.Attributes.Add("onclick","return confirm(’确认?’)");
El@*Fo button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
d$n31F ZOMYo] 3.删除表格选定记录
@"MQ6u G> int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
[8^q3o7n string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
hl7 z1h /aMOZ=,q} 4.删除表格记录警告
aWlIq(dU private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
EwX{i}j_V {
w]yVNB switch(e.Item.ItemType)
amdgb,vh {
} ck<R case ListItemType.Item :
r uGeN case ListItemType.AlternatingItem :
,`k&9o7 case ListItemType.EditItem:
Dsp$Nr%* TableCell myTableCell;
fggs
;Le myTableCell = e.Item.Cells[14];
jS~Pdz LinkButton myDeleteButton ;
jeJgDAUv myDeleteButton = (LinkButton)myTableCell.Controls[0];
QF\nf_X myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Ei):\,Nv break;
FOk;=+ default:
gK9d `5 break;
~r!(V;k{ }
,aLwOmO )0iN2L]U; }
"GQ Q8rQ %^HE^ & 5.点击表格行链接另一页
fO&`A:JY private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
WA"~6U* {
TKv!wKI //点击表格打开
a!E22k?((z if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
N{S) b e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
|:&6eDlR }
8"9&x}
tl- uT4|43<
G 双击表格连接到另一页
nAEyL+6U No} U[u.O 在itemDataBind事件中
z__?k Y if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Xs2 jR14` {
w|-3X string OrderItemID =e.item.cells[1].Text;
%Qlc?Wl: ...
j}eb
_K+I e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
;//9,x9;t }
*k}m?;esb ?nGi if 双击表格打开新一页
MCmb/.&wu if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
LCH\;07V# {
wuA?t string OrderItemID =e.item.cells[1].Text;
v={{$=/t ...
KDq="=q e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
o~IAZU39 }
nYjrEy)Q e))L&s ★特别注意:【?id=】 处不能为 【?id =】
#%\0][Xf 6.表格超连接列传递参数
{9U!0h-2" <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
/oHCV0!0
<%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
[jzsB:;XB& AtG~!)hG 7.表格点击改变颜色
_(F-(X| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
d@$|zr6 {
pWGR#x' e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
{h7 vJ^ this.style.color=’buttontext’;this.style.cursor=’default’;");
3W%6n-*u }
#@$80eFq fw jo? 写在DataGrid的_ItemDataBound里
,UMr_ e{| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
igfQ,LWe! {
|(z{)yWbC[ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
]=qauf>3 this.style.color=’buttontext’;this.style.cursor=’default’;");
oCaYmi=: e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
J8alqs7 }
);7
d_# ,Gt!nm_ 3!{imQT 8.关于日期格式
@@Ybg6.+* N3|:MMl 日期格式设定
)}`z<)3jP DataFormatString="{0:yyyy-MM-dd}"
6iyl8uL0J Q+T#J9Y 我觉得应该在itembound事件中
tF`L]1r> e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
F,wB6Cw p2Ep(0w,R5 9.获取错误信息并到指定页面
v'@gUgC UhDQl%&He 不要使用Response.Redirect,而应该使用Server.Transfer
]- 1(r, 9{jMO e.g
+Y sGH~jX // in global.asax
AygdAg'\ protected void Application_Error(Object sender, EventArgs e) {
Ayw_LCUD if (Server.GetLastError() is HttpUnhandledException)
]`&_!T Server.Transfer("MyErrorPage.aspx");
bE
!SW2:M })/P[^ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
K$,Zg }
5wx_ol}2 JY#vq'dl| 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
yS
W$zA, ZL6HD n! 10.清空Cookie
3\XNOJH Cookie.Expires=[DateTime];
cmG27\c RO Response.Cookies("UserName").Expires = 0
j#5a&Z )/$J$'mcxd 11.自定义异常处理
sm/aL^4 //自定义异常处理类
?% 24M\ using System;
@*YF!LdU{M using System.Diagnostics;
! Ld5Y$ =6[.||9 namespace MyAppException
u?Ffqt9' {
SH?McBxS /// <summary>
#Q8_:dPY /// 从系统异常类ApplicationException继承的应用程序异常处理类。
x.+T65X~4 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
%R c#/y /// </summary>
xpR`fq public class AppException:System.ApplicationException
XjG S.&'I {
6!m#;8 4 public AppException()
VhUWws3E {
m^3x%ENZ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
hJEd7{n }
ka9@7IFM @Lnv public AppException(string message)
odhS0+d^ {
Fc1!i8vv LogEvent(message);
j&d5tgLB }
%GhI0F # 1Toiqb/ public AppException(string message,Exception innerException)
P8z%*/
3NF {
,eyh%k*hz LogEvent(message);
8_('[89m if (innerException != null)
O
k`}\NZL {
eP-|3$ LogEvent(innerException.Message);
|UXSUP
@s }
+F8{4^w1 }
5qz,FKx5 mJUM#ry //日志记录类
9eMle?pF using System;
G"<#tif9K using System.Configuration;
7?Wte&C];p using System.Diagnostics;
hC\
l
\y using System.IO;
>@2<^&K` using System.Text;
zZ=SAjT QP using System.Threading;
%bi ie {=Zy;Er namespace MyEventLog
}4|EHhG {
.4+Rac /// <summary>
JsJP%'^/R /// 事件日志记录类,提供事件日志记录支持
MGR:IOTa /// <remarks>
}=-0DSLVj /// 定义了4个日志记录方法 (error, warning, info, trace)
'=_(fa, /// </remarks>
yvYMk(LSF /// </summary>
~[ufL25K public class ApplicationLog
B0@
Tz39= {
e|]e\Or> /// <summary>
a^%iAe /// 将错误信息记录到Win2000/NT事件日志中
pm6#azQ /// <param name="message">需要记录的文本信息</param>
eY<<Hld /// </summary>
o$No@~%v public static void WriteError(String message)
1h$?, {
;'7(gAE WriteLog(TraceLevel.Error, message);
<mn[- }
Np" p*O I&1Lm)W& /// <summary>
YYe G9yR /// 将警告信息记录到Win2000/NT事件日志中
P.]h`4 /// <param name="message">需要记录的文本信息</param>
xi5"?*&Sb /// </summary>
<V&0GAZ public static void WriteWarning(String message)
+{:uPY#1 {
U^dfNi@q WriteLog(TraceLevel.Warning, message);
XY"b 90 }
d0(zB5'} E4X6f /// <summary>
y :;.r: /// 将提示信息记录到Win2000/NT事件日志中
@2>UR9j /// <param name="message">需要记录的文本信息</param>
F/oqYk9` /// </summary>
q1}!O kr"2 public static void WriteInfo(String message)
b84l`J {
yvd)pH<a2 WriteLog(TraceLevel.Info, message);
5BVvT
`< }
p!UR;xHI\ /// <summary>
ALMsF2H /// 将跟踪信息记录到Win2000/NT事件日志中
o2!738 /// <param name="message">需要记录的文本信息</param>
K<>kT4 /// </summary>
e5'I W__ public static void WriteTrace(String message)
h4;kjr}h} {
HRf;bKZ WriteLog(TraceLevel.Verbose, message);
FNQ<k[#K'~ }
,2FK$:M\ MAek856 /// <summary>
o "VKAP /// 格式化记录到事件日志的文本信息格式
|}=eY?iXo /// <param name="ex">需要格式化的异常对象</param>
"_WN[jm /// <param name="catchInfo">异常信息标题字符串.</param>
#3&@FzD_P /// <retvalue>
_S r}3 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Geq]wv8 /// </retvalue>
l2
.S^S /// </summary>
: K|
H/kht public static String FormatException(Exception ex, String catchInfo)
'PF>#X'' {
m}"Hm(,6 StringBuilder strBuilder = new StringBuilder();
eEZgG=s if (catchInfo != String.Empty)
f$lb.fy5 {
?bZH Aed strBuilder.Append(catchInfo).Append("\r\n");
?NMk|+ }
8 .%0JJ .3 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
sYKx3[ V/ return strBuilder.ToString();
Q %o@s3~O }
]+D@E2E `ASDUgx Mq /// <summary>
J K/{IkF /// 实际事件日志写入方法
6K.2VY# /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
As,`($= /// <param name="messageText">要记录的文本.</param>
6v)TCj/ /// </summary>
fL*7u\m: private static void WriteLog(TraceLevel level, String messageText)
N5?bflY {
^k6_j\5j try
:v^/k]S {
D3o,2E(o EventLogEntryType LogEntryType;
> 80{n8 switch (level)
Os9SfL {
s)-oCT$[ case TraceLevel.Error:
3xyrWl LogEntryType = EventLogEntryType.Error;
<h#*wy:o2 break;
5u$.!l8Nl case TraceLevel.Warning:
$_.t'8F LogEntryType = EventLogEntryType.Warning;
5Tl5T& break;
b| L;*<KU case TraceLevel.Info:
<C`bf$ak LogEntryType = EventLogEntryType.Information;
EFX2>&mWo8 break;
[q9B"@X case TraceLevel.Verbose:
P $`1} LogEntryType = EventLogEntryType.SuccessAudit;
J^7m?mA break;
f+Y4~k default:
8C3k:
D[ LogEntryType = EventLogEntryType.SuccessAudit;
tMl y*E break;
rq%]CsRY5 }
zhn?;Fi |*bUcS<S EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
tq
L(H25z //写入事件日志
}_+XN"}C eventLog.WriteEntry(messageText, LogEntryType);
!*#9b ^'X
I%fEf }
t'44X catch {} //忽略任何异常
<6Q^o[L }
a#p+.)Wm } //class ApplicationLog
>_}isCd, }
@|Pm%K`1 *;A ;)' 12.Panel 横向滚动,纵向自动扩展
D \ rns+ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
"| '~y}v_ "|
nXR8t.r 13.回车转换成Tab
Wdd}y`lS <script language="javascript" for="document" event="onkeydown">
DGvuo 8 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
2
}xePX9? event.keyCode=9;
V(S7mA:T </script>
u]*7",R
uU +<bj}" onkeydown="if(event.keyCode==13) event.keyCode=9"
I}8e"# @ m`C%7< 14.DataGrid超级连接列
bDl:,7; DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
/M2in]oH SEgw!2H 15.DataGrid行随鼠标变色
h#0n2o # private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;$D,w {
>G`p T# if (e.Item.ItemType!=ListItemType.Header)
hUMG}< {
%1#\LRA( e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
'{d_q6,% e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
mEY#QN[eq }
pBqf+}g4 }
HoQb.Z YIe1AF} 16.模板列
ZF7@ b/-me <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
A]bb*a1 <ITEMTEMPLATE>
do" m=y <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
vj?{={Y </ITEMTEMPLATE>
uaIAVBRcS </ASP:TEMPLATECOLUMN>
0,hs%x>v =3(v4E':5 <ASP:TEMPLATECOLUMN headertext="选中">
.tRm1&Qi <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
xkSX KR <ITEMTEMPLATE>
@gP*z6Z <ASP:CHECKBOX id="chkExport" runat="server" />
alJ0gc2?
</ITEMTEMPLATE>
_T)y5/[ <EDITITEMTEMPLATE>
?_ H9>/:. <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
OX"Na2-el </EDITITEMTEMPLATE>
dgVGP_~ </ASP:TEMPLATECOLUMN>
DAw1S$dM BK!Yl\I< 后台代码
I9kz)Q o protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
{a[BhK'g {
TuwP'g[ //改变列的选定,实现全选或全不选。
'n|U
CheckBox chkExport ;
Y}[<KK}_ if( CheckAll.Checked)
e'mF1al {
\Z5Wp5az}, foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Yn?beu' {
t w4,gW chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
^;
KCE chkExport.Checked = true;
9R=avfI }
ZA=J`->k }
Luao?;|U else
:hICe+2ca {
[Qs`@u<% foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
KS_+R@3Z {
&N.pW=%,N chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;0eVE chkExport.Checked = false;
~gX1n9_n }
uyX
%&r }
?8
}pZ_ j }
aR2N,<Cp5 x}2nn)fdZ 17.数字格式化
SkDr4kds |lhnCShw 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
(MXy\b< <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Oti;wf G7o c|<F8n int i=123456;
hNc8uV{r= string s=i.ToString("###,###.00");
CVO_F=; xa`xHh{0 18.日期格式化
jtoS{B, 4Uny.C] 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Yo %U{/e t'K+)OK 显示为: 2004-8-11 19:44:28
;"D}"nL U)dcemQY 我只想要:2004-8-11 】
Lv+{@) <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
+ }"+ 2*snMA 应该如何改?
mc]+j,d H:~bWd'iz 【格式化日期】
+c8`N'~ '6zZ`Ll9 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
hT^&