1. 打开新的窗口并传送参数:
doFp53NhV 'P)xY-15 传送参数:
1i_~ZzX8 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
@?aNvWeavH x]euNa 接收参数:
2K..
;A$ string a = Request.QueryString("id");
UX41/# 4 string b = Request.QueryString("id1");
x1/Usupi 4.,e3 2.为按钮添加对话框
L(PJ9wjkD Button1.Attributes.Add("onclick","return confirm(’确认?’)");
1UJ(._0hR button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
vPi\ vU{ +LQ2To 3.删除表格选定记录
#"O9\X/B int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
]RPv@z:V string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
+;C|5y tW|B\p} 4.删除表格记录警告
Ufq"_^4 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Wv77ef {
~`#.ZMO switch(e.Item.ItemType)
)FMpfC>An {
H$Q$3Q!` case ListItemType.Item :
Y5-X)f case ListItemType.AlternatingItem :
R=i$*6}a case ListItemType.EditItem:
"h7Z(Y TableCell myTableCell;
<s9Sx>Zb myTableCell = e.Item.Cells[14];
W$EX6jTGI LinkButton myDeleteButton ;
Aw4Qm2Kf myDeleteButton = (LinkButton)myTableCell.Controls[0];
m/0G=%d%k myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
`.MM|6 break;
5WO!u:!' default:
kX'1.<[ break;
_(
w4 \] }
KAgiY4 KofjveOiC }
KFAB E-X-LR{CC 5.点击表格行链接另一页
\Wt&z, private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ZB`!@/3X {
Kw(/#C:$ //点击表格打开
}C/}8< if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
plsf` a e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
l2gI2Cioa }
D@[$?^H x)BG%{h 双击表格连接到另一页
dWR?1sV|e n-Dr/c4 在itemDataBind事件中
SQvicZAN)` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y3 LWh}~E {
(-B0fqh=G string OrderItemID =e.item.cells[1].Text;
cC"7Vt9b ...
?TMo6SU e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
t82Bp[t }
IhM-a
Y
y5 Lg9]kpOpa 双击表格打开新一页
K.o?g?&< if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
I}n"6'* {
b 7aAP*$ string OrderItemID =e.item.cells[1].Text;
/P^@dL ...
'(+l77G e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
36J)O-Ti }
{
zlq6z ^nkwT~Bya ★特别注意:【?id=】 处不能为 【?id =】
mTZlrkT 6.表格超连接列传递参数
6jCg7Su] <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
;NRm , <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
vIN6W DQ9 <N~l 7.表格点击改变颜色
|g8
]WFc if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
d>@{!c- {
.a;-7|x e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
T1n GBl\( this.style.color=’buttontext’;this.style.cursor=’default’;");
* fSa8CV }
}mu8fm' dam.D.o" 写在DataGrid的_ItemDataBound里
"9LPq if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
`dEWP;#cp {
[<wy@W e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
BAX])~_ this.style.color=’buttontext’;this.style.cursor=’default’;");
{:4); . e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
fkRb;aIl }
<u4GIi
<sm &bBp`h /I[cj3}{+f 8.关于日期格式
-d_FB?X Rv.W~FE^ 日期格式设定
Ko/_w_ DataFormatString="{0:yyyy-MM-dd}"
*$`r)pV%AK CdWGb[uI 我觉得应该在itembound事件中
y"t5%Iv e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
pNVao{::5 G|3OB: 9.获取错误信息并到指定页面
rQKBT]?y 2q2w o&uK 不要使用Response.Redirect,而应该使用Server.Transfer
.?AtW:<*I ?xN8HG4 e.g
H#w?$?nIWu // in global.asax
KgAc0pz{7H protected void Application_Error(Object sender, EventArgs e) {
\sp7[}Sw if (Server.GetLastError() is HttpUnhandledException)
Q=uwmg86 Server.Transfer("MyErrorPage.aspx");
-{7:^K[)
U> q&+: + //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
!ae@g
q' }
`e`4[I ,wRrx& 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
7yQ r Hsp|<;Yg 10.清空Cookie
Qf=%%5+?8 Cookie.Expires=[DateTime];
Wz=ZhE9g Response.Cookies("UserName").Expires = 0
>z[d~ 2GZUMXK 11.自定义异常处理
HL 88 //自定义异常处理类
?W.Y
x7c using System;
xl# j_d, using System.Diagnostics;
<U1uuOt _r^&.'q namespace MyAppException
S G43} {
)>TA|W]@ /// <summary>
zQ)[re) /// 从系统异常类ApplicationException继承的应用程序异常处理类。
{K[+nX=# /// 自动将异常内容记录到Windows NT/2000的应用程序日志
1$xt=*.u| /// </summary>
*qz]vUb/0 public class AppException:System.ApplicationException
{qOSs,+=L {
G1|
Tu"
public AppException()
1$Eiv8xd {
l#Qf8*0 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
.`hlw'20 }
c-M&cU+=L U(J?Q public AppException(string message)
b~#rUOXb8? {
hR=4w$ LogEvent(message);
\[,7# }
oiFtPki &TK% igL public AppException(string message,Exception innerException)
1ViDS {
Ef?_d] LogEvent(message);
1XHGW=n if (innerException != null)
9oGsrClH {
L`Qiu@ LogEvent(innerException.Message);
2<.}]yi }
@]2cL }
Crww\#E; JBU
qZ //日志记录类
@|d|orMC using System;
x6$P(eN using System.Configuration;
r)7A# 3wId using System.Diagnostics;
WX?|iw
I~ using System.IO;
9cj=CuE using System.Text;
2V~Yb1P using System.Threading;
u$a%{46 ]?<uf40Mm namespace MyEventLog
34P?nW( {
[q(7Jv /// <summary>
l@Ml8+ /// 事件日志记录类,提供事件日志记录支持
<m )@~s?D /// <remarks>
V}aXS;(r% /// 定义了4个日志记录方法 (error, warning, info, trace)
wz:w R+ /// </remarks>
JH?[hb /// </summary>
d}WAP m public class ApplicationLog
re^1fv {
u9GQ)`7Z@ /// <summary>
.@[+05Yw /// 将错误信息记录到Win2000/NT事件日志中
y<#y3M!\ /// <param name="message">需要记录的文本信息</param>
-><?q t /// </summary>
Y$,]~Qzq public static void WriteError(String message)
QTP1u {
<X;y
4lPZ WriteLog(TraceLevel.Error, message);
RS$:]hxd>_ }
hVR=g!e#X X59~)rH, /// <summary>
szKs9er& /// 将警告信息记录到Win2000/NT事件日志中
x$A5Ved /// <param name="message">需要记录的文本信息</param>
8E$KR:/:4 /// </summary>
Ymn0?$,D1= public static void WriteWarning(String message)
y#T":jpR {
*_^AK=i WriteLog(TraceLevel.Warning, message);
nQ/El&{ }
Sc*p7o: A `qr[0wM /// <summary>
'zpj_QM /// 将提示信息记录到Win2000/NT事件日志中
8{h:z
9]J /// <param name="message">需要记录的文本信息</param>
]54V9l: /// </summary>
-4V1s;QUZ public static void WriteInfo(String message)
_A%z^&k(i {
/Wzic+v<> WriteLog(TraceLevel.Info, message);
SM@1<OCc }
O(!wDnhc /// <summary>
,AM6E63 /// 将跟踪信息记录到Win2000/NT事件日志中
_#-(XQ a /// <param name="message">需要记录的文本信息</param>
?)JW}3<. /// </summary>
2^Y1S?g. public static void WriteTrace(String message)
'rz*mR8 {
#X|'RL($ WriteLog(TraceLevel.Verbose, message);
H!s &]b }
1Z*-@%RX ZT|E1[Q /// <summary>
~+4OG 0 /// 格式化记录到事件日志的文本信息格式
r5r K> /// <param name="ex">需要格式化的异常对象</param>
}_Jai4O /// <param name="catchInfo">异常信息标题字符串.</param>
{)-%u8J\`N /// <retvalue>
Q6DE|qnV
/// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
LM<OYRB( /// </retvalue>
l tQ:c /// </summary>
%n{E/06f public static String FormatException(Exception ex, String catchInfo)
P$w0.XZa {
7';PI!$ StringBuilder strBuilder = new StringBuilder();
JLs7[W)O if (catchInfo != String.Empty)
&)`A4bf% {
3Vt-]DGX strBuilder.Append(catchInfo).Append("\r\n");
PUucYc }
scrNnO[3j strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
#~
/-n return strBuilder.ToString();
8$@gAlI^ }
{{giSW' 4Tq%V|5"& /// <summary>
N{E>R&,q /// 实际事件日志写入方法
_H%ylAt1j /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
dNbN]gHC /// <param name="messageText">要记录的文本.</param>
.dl1sv
U /// </summary>
V4xZC\)Gk private static void WriteLog(TraceLevel level, String messageText)
x?f3XEA_ {
R$cg\DD try
191O(H {
;m7$U EventLogEntryType LogEntryType;
k>2 xm switch (level)
w^P4_Yr[T {
$|sRj!F case TraceLevel.Error:
"-N%`UA LogEntryType = EventLogEntryType.Error;
'w!Hjq]$ break;
&9TG&~(+ case TraceLevel.Warning:
g$$uf[A-SL LogEntryType = EventLogEntryType.Warning;
t;ggc{ break;
VNA VdP case TraceLevel.Info:
1C'lT,twl LogEntryType = EventLogEntryType.Information;
hPhN7E03 break;
7GE.>h5 case TraceLevel.Verbose:
a^~l[HSF LogEntryType = EventLogEntryType.SuccessAudit;
,mjwQ6:Ny break;
"r.pU(uxt default:
xS*f{5Hr8 LogEntryType = EventLogEntryType.SuccessAudit;
Ugrcy7 break;
Z7OWpujCvN }
~`
#t?1SP op[OB= EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
y{5ZC~Z<! //写入事件日志
orEwP/L: eventLog.WriteEntry(messageText, LogEntryType);
?][Mv`ST =>/aM7] }
v#=- catch {} //忽略任何异常
!`Bb[BTf }
!.x(lOqf } //class ApplicationLog
(?)".Q0 }
piY=(y&3 I
gA0RY1 12.Panel 横向滚动,纵向自动扩展
2&06Db ( <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
yO$]9 ezy0m}@ 13.回车转换成Tab
@[.%A;E4 <script language="javascript" for="document" event="onkeydown">
~@TNVkw if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
k>U&Us0 event.keyCode=9;
8?P@<Do% </script>
Hza{"I*^ i]xyD '0 onkeydown="if(event.keyCode==13) event.keyCode=9"
b pExYyt wrw~J 14.DataGrid超级连接列
s+o/:rrxY DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
0SA
c1 `<C)oF\~f 15.DataGrid行随鼠标变色
k}Ahvlq) private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|.)dOk,o {
f;
>DM if (e.Item.ItemType!=ListItemType.Header)
7S 1
Y) {
9cX
~ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
@yS e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
r|6S&Ia> }
fW|1AUD, }
MQw{^6Z>1 _T8#36iR 16.模板列
gmy_ZVU' <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
)\'U$ <ITEMTEMPLATE>
WX]kez{<uP <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Yb6(KT </ITEMTEMPLATE>
M|6
W<y </ASP:TEMPLATECOLUMN>
gx@b|rj; Y }Rx`%X <ASP:TEMPLATECOLUMN headertext="选中">
q_']i6 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
.6f
%"E, <ITEMTEMPLATE>
:!'aP\uE <ASP:CHECKBOX id="chkExport" runat="server" />
4LJUO5(y@ </ITEMTEMPLATE>
r9z/hm}E <EDITITEMTEMPLATE>
jZ7#xRt5w <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
@kRe0:t </EDITITEMTEMPLATE>
jQC6N#L </ASP:TEMPLATECOLUMN>
FC/m,D50oI rh?!f(_@ 后台代码
w\8grEj protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Cf
J@|Rh {
kbBX\*{yh //改变列的选定,实现全选或全不选。
7bCTR2e\@w CheckBox chkExport ;
$kvF]|<bu if( CheckAll.Checked)
Vb|DNl@ {
ld$LG6[PA foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
a~DR$^m {
N-4LdC chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
P ;PS+S9 chkExport.Checked = true;
0;} 9XZ }
aKkQXq* }
nW!rM($q else
fA2H8"r {
Xc"S"a^\% foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
f[!N]* {
&tkkn2t chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$xa#+ chkExport.Checked = false;
7V%}U5 }
CKmoC0. }
MjQKcL4%7 }
I[WW1P5 p
p9Gzn C 17.数字格式化
/{\tkvv-Z >A7),6 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
uhbo/7d'7 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
!2>gC"$nv |9{l8`9}_ int i=123456;
W5<1@ string s=i.ToString("###,###.00");
Etg'"d@[ n$F&gx'^ 18.日期格式化
M)!8`] C>4y<