1. 打开新的窗口并传送参数:
xww\L
&y {3 >`k.w 传送参数:
w# ;t$qz} response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
l!IN #|{( #vTF:r 接收参数:
6>h"Lsww string a = Request.QueryString("id");
XOEf," string b = Request.QueryString("id1");
>,f5 5 Ex{;&UWm 2.为按钮添加对话框
Qk&6Z% Button1.Attributes.Add("onclick","return confirm(’确认?’)");
&]c7<=`K" button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
s2K8|q= 7s;*vd> 3.删除表格选定记录
$-gRD|oY int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
iF1zLI<A string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
RMAbu*D0 )(yKm/50 4.删除表格记录警告
]Yf8 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
mQ\oR| {
v&` n}lS switch(e.Item.ItemType)
^{-Z3Yxd {
s$/Z+"f( case ListItemType.Item :
4rD&Lg' case ListItemType.AlternatingItem :
CDDEWVd case ListItemType.EditItem:
hxGo~<. : TableCell myTableCell;
`[tYe < myTableCell = e.Item.Cells[14];
QtOT'<2t] LinkButton myDeleteButton ;
Z
FIgKWZ' myDeleteButton = (LinkButton)myTableCell.Controls[0];
7Ur'@wr myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
{tnhP^C3> break;
:kucDQE({? default:
Qq\hD@Z| break;
5_SxX@fW% }
u)l[*";S ^0/!:*? }
kqLpt [O6JVXO> 5.点击表格行链接另一页
x!UGLL]_M private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
?)4c!3# {
dVBr-+ //点击表格打开
/-g%IeF if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;AT~?o`n e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
"-G&]YMl }
Tg v]30F) >
!WFY 双击表格连接到另一页
3
FLht
L q_:B=w+bC 在itemDataBind事件中
vFK(Dx if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
SuA`F|7?P {
Gdlx0i string OrderItemID =e.item.cells[1].Text;
N'8}5Kx5 ...
))uki*UNK e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
1@`mpm#Y }
$PTl{ 0f,Ii_k bT 双击表格打开新一页
<:~'s]`zf if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
d'p@[1/ {
*)i+ c{~ string OrderItemID =e.item.cells[1].Text;
HE3x0H}o> ...
Il!#] e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
lAx8m't}6 }
TzsNhrU{ @34CaZ$k ★特别注意:【?id=】 处不能为 【?id =】
Yd<q4VJR 6.表格超连接列传递参数
SY+$8^ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
xx,|n <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
mQ:5(]v T?8N$J 7.表格点击改变颜色
pg4jPuCM if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
wU5= ' {
QBTjiaYGa' e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Fpntd IU this.style.color=’buttontext’;this.style.cursor=’default’;");
9icy&' }
:4S~}}N CSIsi]H 写在DataGrid的_ItemDataBound里
!,;/JxfgVh if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
aP +) {
3d>xg%? e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
S{)'1J_0 this.style.color=’buttontext’;this.style.cursor=’default’;");
q6V\n:hKV e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
)}T0SGY }
19^B610 *AI?md yv.(Oy 8.关于日期格式
QCvst* Gu
K!<-Oz" 日期格式设定
p}k\l dmh{ DataFormatString="{0:yyyy-MM-dd}"
*7!*kqg!u <>[]-Vq 我觉得应该在itembound事件中
(1;%V>,L e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
4CioVQdj I$1~;!< 9.获取错误信息并到指定页面
#jX%nqMxW LF_am*F 不要使用Response.Redirect,而应该使用Server.Transfer
N`!=z++G Rs1JCP=d8 e.g
"\x\P)j0> // in global.asax
2]-xmS>|b protected void Application_Error(Object sender, EventArgs e) {
Z$ Mc{ if (Server.GetLastError() is HttpUnhandledException)
Tg#%5~IX Server.Transfer("MyErrorPage.aspx");
9rQw~B<S ^+Stvj:N //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
t+O7dZt%r }
l|~SVk| -hpMd/F 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
c!>",rce T\$r| 10.清空Cookie
oA$]% Cookie.Expires=[DateTime];
H%`|yUE( Response.Cookies("UserName").Expires = 0
/mFa*~dj2 ewzZb*\ 11.自定义异常处理
mi$*,fz //自定义异常处理类
j{;IiVHnR using System;
/?
HLEX using System.Diagnostics;
GbbD) e=EM07z namespace MyAppException
L9(!L$ {
bY7~b/ /// <summary>
^1w*$5YI /// 从系统异常类ApplicationException继承的应用程序异常处理类。
K@+(6\6I /// 自动将异常内容记录到Windows NT/2000的应用程序日志
rJ_fg$.< /// </summary>
'5m`[S-IU public class AppException:System.ApplicationException
zu|=1C#5h {
/,#&Htk public AppException()
:TN^}RML {
{,b:f if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
;l2pdP4jf }
>Y[nU~ w 'Gds?o8 public AppException(string message)
XKT2u!Lx {
L#NW<T LogEvent(message);
]h0 K*{ }
lhhp6-r jCv%[H7 public AppException(string message,Exception innerException)
.#$D\cwV {
qECta'b& LogEvent(message);
*L~88-V^ if (innerException != null)
K=X13As_ {
0'.7dzz LogEvent(innerException.Message);
YkbZ 2J*- }
(xhV>hsA }
S)[$F} tcU4$%H/ //日志记录类
Af _yb`W? using System;
A/{0J\pA using System.Configuration;
dk4|*l- using System.Diagnostics;
SRf.8j using System.IO;
G%RhNwm using System.Text;
S`?cs^? using System.Threading;
gw);b)&mx _f5n
t:- namespace MyEventLog
jFMf=u&U {
+XN/ bT /// <summary>
b".e6zev /// 事件日志记录类,提供事件日志记录支持
p[M*<==4 /// <remarks>
F),wj8#~>- /// 定义了4个日志记录方法 (error, warning, info, trace)
5W=jQ3 C /// </remarks>
rq>OmMQ67 /// </summary>
-{'WIGm public class ApplicationLog
wX*F'r"z {
=jN9PzLk /// <summary>
WGrG#Kw[ /// 将错误信息记录到Win2000/NT事件日志中
b];? tP /// <param name="message">需要记录的文本信息</param>
F/I`EV /// </summary>
@$(@64r public static void WriteError(String message)
5Myp#!|x: {
H]/!J] WriteLog(TraceLevel.Error, message);
zV8^Hxl }
C7lBK<gQ %1oG<s /// <summary>
$9Yk]~ /// 将警告信息记录到Win2000/NT事件日志中
17{$D,P /// <param name="message">需要记录的文本信息</param>
4(FEfde= /// </summary>
C%y!)v_x public static void WriteWarning(String message)
QL4BD93v {
#b?)fqRJL WriteLog(TraceLevel.Warning, message);
7-Yn8Gq }
RY]Vo8 Pwh0Se5Z /// <summary>
9:tn!<^=I /// 将提示信息记录到Win2000/NT事件日志中
V
K)%Us- /// <param name="message">需要记录的文本信息</param>
o1(?j}:c| /// </summary>
M;Dk$B{;R public static void WriteInfo(String message)
HQOz {
/Sag_[i WriteLog(TraceLevel.Info, message);
9s}y*Vp }
B Ctm05 /// <summary>
j\S}TaH0e /// 将跟踪信息记录到Win2000/NT事件日志中
};=44E'7 /// <param name="message">需要记录的文本信息</param>
u4UQMj|q /// </summary>
)Cm7v@B
public static void WriteTrace(String message)
\h}a?T6 {
2'6:fr=R WriteLog(TraceLevel.Verbose, message);
$rG~0 }
GE{u2<%@ 56
raZC /// <summary>
s,|s;w*. /// 格式化记录到事件日志的文本信息格式
~Uz1()ftz /// <param name="ex">需要格式化的异常对象</param>
:UgCP ~Y /// <param name="catchInfo">异常信息标题字符串.</param>
2l9RU} /// <retvalue>
(;o/2Q? /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
*?GV(/Q /// </retvalue>
8={"j /// </summary>
^5yFb=2 public static String FormatException(Exception ex, String catchInfo)
lB
Y "@N {
zz1e)W/ StringBuilder strBuilder = new StringBuilder();
]VU a$$ if (catchInfo != String.Empty)
;^K4kK&f {
Mmu>&C\ strBuilder.Append(catchInfo).Append("\r\n");
LT ZoO9O }
&CEZ+\bA strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
(f*0Wp; return strBuilder.ToString();
17nONhh }
Kq*D_Rh2 ,ruL7|T& /// <summary>
&XnbZ&_ /// 实际事件日志写入方法
%w YGI /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
JNYFu0 /// <param name="messageText">要记录的文本.</param>
5#SD$^ /// </summary>
I2$.o0=3Y private static void WriteLog(TraceLevel level, String messageText)
~J Xqyw} {
p+F{iMC try
s}pn5zMp:8 {
j\Z/R1RcW EventLogEntryType LogEntryType;
9.
7XRxR^ switch (level)
X-&U-S; {
*mgK^9< case TraceLevel.Error:
|rDv!m LogEntryType = EventLogEntryType.Error;
!h "6h break;
Jt3]'Nr04@ case TraceLevel.Warning:
c88I"5@[bD LogEntryType = EventLogEntryType.Warning;
;P{HePs=) break;
zu~E} case TraceLevel.Info:
wSMP^kG LogEntryType = EventLogEntryType.Information;
/5y*ZIq]e break;
)fo9Qwe case TraceLevel.Verbose:
>,Zf3M LogEntryType = EventLogEntryType.SuccessAudit;
V>`xTQG break;
:i4>&4j default:
%0z&k!P LogEntryType = EventLogEntryType.SuccessAudit;
T!T6M6? break;
6] ~g*]T }
:$`"M#vMX xgi/,Nk ' EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
fA]b'8 //写入事件日志
)aOPR|+ eventLog.WriteEntry(messageText, LogEntryType);
$1h , <$5H Y!8Ik(/~i }
-2dk8]KB] catch {} //忽略任何异常
cG"+n@\ }
H
',Nt } //class ApplicationLog
Fj`6v"h }
u5,\Kz w1je|Oil 12.Panel 横向滚动,纵向自动扩展
`~bnshUk <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
2^}E!(< =vv4;az
X 13.回车转换成Tab
XkWO -L <script language="javascript" for="document" event="onkeydown">
0t-!6 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
pL{h1^O} event.keyCode=9;
J 1?)z+t9~ </script>
PN!NB. /idQfff onkeydown="if(event.keyCode==13) event.keyCode=9"
="$9
<wt 2\Vzfca 14.DataGrid超级连接列
}K!)Z}8 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
b-1cA1#_cP !NNq( t 15.DataGrid行随鼠标变色
`|1#Vuk private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
nQ0g,'o {
eRK
kHd- if (e.Item.ItemType!=ListItemType.Header)
Hq{i-z+ {
oCBZ9PGkK e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
}=':)?'-. e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
,<[Q/:}[ }
!18M!8Xea }
kAF[K,GG e%(,)WlTaU 16.模板列
<Ct b^4$ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
p?mQ\O8F <ITEMTEMPLATE>
ohHKZZ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
3aL8 gE </ITEMTEMPLATE>
'nOc_b0 </ASP:TEMPLATECOLUMN>
ltKUpRE\? =AhXEu ^ <ASP:TEMPLATECOLUMN headertext="选中">
6n{`t/ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
~mqiXr8 <ITEMTEMPLATE>
9Ytf7NpR <ASP:CHECKBOX id="chkExport" runat="server" />
!^dvtv`K </ITEMTEMPLATE>
)F\tU <EDITITEMTEMPLATE>
bp06xHMu <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
ohFUy}y </EDITITEMTEMPLATE>
H]LH~l </ASP:TEMPLATECOLUMN>
i )Hjmf3 $nB4Ie!WcR 后台代码
Vf67gux protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
8._
A[{.f {
$"d< F3k //改变列的选定,实现全选或全不选。
2L#$WuM~^ CheckBox chkExport ;
LRqBP|bjCD if( CheckAll.Checked)
U2=PmS P {
t;7 tuq
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
v-;j44sB {
p#VA-RSUQ| chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
N|n"JKw) chkExport.Checked = true;
,4bqjkX5q }
"T`Q, }
xwZcO else
H'fmQf {
a9CY,+z5B foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
f?_UT}n {
[
7W@/qqv chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
gK {-eS chkExport.Checked = false;
^f:oKKaAW; }
qSRE)C=) }
(x{6N^J.t }
- J9K JG%y_
Qy?K 17.数字格式化
'%@fW:r~ ,O[HX?> 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
jG"n);WF <%#Container.DataItem("price","{0:¥#,##0.00}")%>
I`?6>Z+%) TA=VfA B int i=123456;
<P)vx string s=i.ToString("###,###.00");
K,7IBv,B[ /8\gT(@ 18.日期格式化
1epj/bB&