1. 打开新的窗口并传送参数:
E)H8jBm6w Nki18ud# 传送参数:
%v
:a response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
^*%p]r o(C({]UO/ 接收参数:
76$19 string a = Request.QueryString("id");
l
yO_rZT string b = Request.QueryString("id1");
.l !:|Fd hH )jX`Ta 2.为按钮添加对话框
H&3VPag Button1.Attributes.Add("onclick","return confirm(’确认?’)");
m$pXe< button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
' OdZ[AN g%1!YvS3v 3.删除表格选定记录
N;Hrc6nin^ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
V{ra,a* string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
)8st #}:VZ2Z 4.删除表格记录警告
!ny;YV private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
sjWhtd[fgG {
3f
eI switch(e.Item.ItemType)
8Tt2T}
Y {
DY~~pi~ case ListItemType.Item :
*z` {$hc case ListItemType.AlternatingItem :
sZ]O&Za~ case ListItemType.EditItem:
&"Ua"H) TableCell myTableCell;
XOJ/$y myTableCell = e.Item.Cells[14];
Vy16Co LinkButton myDeleteButton ;
uC 5mxZ myDeleteButton = (LinkButton)myTableCell.Controls[0];
(}gF{@sn myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
7&'^H8V break;
K34ca-~ default:
tojJQ6;J break;
_
nS';48 }
0pBlmPafY ehOF@IA_ }
K
,f 1c} Y]&HU) u 5.点击表格行链接另一页
]rZ"5y private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
RTH dL {
kxThtjgv //点击表格打开
|X~T</{8i if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&,{cm^* e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
N#Qby4w > }
Uc<B)7{' i.0}qS? 双击表格连接到另一页
:9_K@f?n `(W
V pP? 在itemDataBind事件中
s@^GjA[6+ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
eZI&d;i {
5t:4% string OrderItemID =e.item.cells[1].Text;
JQQD~J1)E ...
,yAvLY5P e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
`r+e!o }
lv&<kYWY Ij@YOt 双击表格打开新一页
i\}, if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
dH&N< {
7{."Y@ string OrderItemID =e.item.cells[1].Text;
OHp 121 ...
P[#V{%f*5 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
g9GE0DbT` }
qJ5Y}/r \8{C$"F ★特别注意:【?id=】 处不能为 【?id =】
O'$0K0k3 6.表格超连接列传递参数
VSms hld <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Kdik7jL/J <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
G?'L1g[lc Ct$e`H!; 7.表格点击改变颜色
\W??`?Idh if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
7!Ym~M= {
SZK~<@q5 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
.OXvv _?< this.style.color=’buttontext’;this.style.cursor=’default’;");
1UyI.U] }
E"pq ZP = 2[qO;js 写在DataGrid的_ItemDataBound里
w<-CKM3qe if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
t}_qtO7> {
v)okVyv e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
RUYwDtC this.style.color=’buttontext’;this.style.cursor=’default’;");
t9Pu:B6 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
/NMd GKr }
*D*K`dk `<b 3e(A ^3*/x%A,g 8.关于日期格式
`[VoW2CLH+ nFX8:fZ$> 日期格式设定
% ]r@vjeyd DataFormatString="{0:yyyy-MM-dd}"
h&NcN-[" EoIP#Cnd1 我觉得应该在itembound事件中
I/pavh e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
T AwA)Zg o*'J8El\y^ 9.获取错误信息并到指定页面
4F)z-<-b &>*fJ 不要使用Response.Redirect,而应该使用Server.Transfer
&]16Hb~ @Zjy"u e.g
;]KGRT // in global.asax
]wER&/v" protected void Application_Error(Object sender, EventArgs e) {
'7u#uL,pa1 if (Server.GetLastError() is HttpUnhandledException)
jF_K*:gQ Server.Transfer("MyErrorPage.aspx");
st+X~;PX* `5=0f}E //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
VbKky1a@ }
f|1y?w?I `~(KbH=] 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
?UcW@B{ z,X
^; 10.清空Cookie
9fzbR~s Cookie.Expires=[DateTime];
N6Vn/7I5% Response.Cookies("UserName").Expires = 0
Uj(,6K8W )?K3nr 11.自定义异常处理
#J\
2/~ //自定义异常处理类
bJx{mq
using System;
6}K|eUak/ using System.Diagnostics;
.px*.e s YaFQy0t%/5 namespace MyAppException
rgRh ySud {
[8^jwnAYS /// <summary>
,xn+T)2I /// 从系统异常类ApplicationException继承的应用程序异常处理类。
f:KKOLm /// 自动将异常内容记录到Windows NT/2000的应用程序日志
_$9<N5F.,o /// </summary>
kbI:}b7H public class AppException:System.ApplicationException
,}=x8Xxr {
=L
7scv%i public AppException()
]O,!B''8k {
A%"mySW if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
)^|zuYzN }
:05>~bn>pC kgEGL]G> public AppException(string message)
:eo2t>zF-< {
#?@k=e\ LogEvent(message);
${8 1~ }
$83TA><a w5bD public AppException(string message,Exception innerException)
W&;X+XA_W {
^;Nu\c LogEvent(message);
|z<E%`u% if (innerException != null)
>Yl?i&3n {
IMmoq={(z LogEvent(innerException.Message);
6w0/;8(_m }
`$JPF Z }
CKNC"Y*X LR@rn2Z //日志记录类
'{5|[ using System;
OHdCt using System.Configuration;
y"<nx3 using System.Diagnostics;
Eyxw.,rB/ using System.IO;
+Tf ,2?O using System.Text;
l`:M/z6" using System.Threading;
j,K]TJ c*'D namespace MyEventLog
'gxSHqeI2 {
7M=LyrO /// <summary>
4N[8LC;MH /// 事件日志记录类,提供事件日志记录支持
,P3nZ /// <remarks>
GPy+\P` /// 定义了4个日志记录方法 (error, warning, info, trace)
AMp[f%X /// </remarks>
C_rlbl;T /// </summary>
ryy".'v public class ApplicationLog
$z"3_4a {
h\Ck""& /// <summary>
t|0Zpp; /// 将错误信息记录到Win2000/NT事件日志中
z4D[>2* /// <param name="message">需要记录的文本信息</param>
;f:}gMK /// </summary>
y/Fv4<X public static void WriteError(String message)
Wf^6: {
%>_ZUu3M WriteLog(TraceLevel.Error, message);
2%y}El^+_ }
dE=4tqv-r 8
;y N /// <summary>
'#mv- /<t* /// 将警告信息记录到Win2000/NT事件日志中
494"-F 6 /// <param name="message">需要记录的文本信息</param>
9^h0D}#@ /// </summary>
HP}d`C5<R public static void WriteWarning(String message)
R#.FfWTZ {
M<hX!B WriteLog(TraceLevel.Warning, message);
yANk( }
#]>Z4=]v i1v0J-> /// <summary>
2fM*6CaS /// 将提示信息记录到Win2000/NT事件日志中
4loG$l+a1 /// <param name="message">需要记录的文本信息</param>
6," 86 /// </summary>
pJ!:mt public static void WriteInfo(String message)
Q>]FO {
&sleV5V WriteLog(TraceLevel.Info, message);
P~/Glak }
ys`"-o[* /// <summary>
Bj5_=oo+d /// 将跟踪信息记录到Win2000/NT事件日志中
%g1:yx /// <param name="message">需要记录的文本信息</param>
s{\USD6 /// </summary>
|giV<Sj public static void WriteTrace(String message)
@}k5rcQ*/ {
qOAK`{b WriteLog(TraceLevel.Verbose, message);
Loo48 }
w7aC=B/{?i 7<;87t]] /// <summary>
;/T=ctIs /// 格式化记录到事件日志的文本信息格式
}{/3yXk[G /// <param name="ex">需要格式化的异常对象</param>
VL4ErOoZ /// <param name="catchInfo">异常信息标题字符串.</param>
:%-xiv /// <retvalue>
w ryjs! /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
R3=PV{`M /// </retvalue>
7~(|q2ib /// </summary>
Qz6Ry\u public static String FormatException(Exception ex, String catchInfo)
/sVy"48- {
=w&JDj StringBuilder strBuilder = new StringBuilder();
E{+V_.tlu if (catchInfo != String.Empty)
yU'Fyul {
do0;"O0
( strBuilder.Append(catchInfo).Append("\r\n");
O%feB e }
67<Ym0+ = strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Bs7/<$9K/ return strBuilder.ToString();
eaSf[!24" }
:ZrE/3_S kex4U6&OQB /// <summary>
^W}(]jL /// 实际事件日志写入方法
h:%L% Y9z /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Y v22,|: /// <param name="messageText">要记录的文本.</param>
rq=D[vX\N( /// </summary>
5`] ;[M9 private static void WriteLog(TraceLevel level, String messageText)
rm}OVL {
=P>c1T1- try
mFoE2?Y {
}AdA?
:7A EventLogEntryType LogEntryType;
<i}lP/U switch (level)
Z:51Q {
s'/b&Idf8 case TraceLevel.Error:
W !.F\H,( LogEntryType = EventLogEntryType.Error;
xB.h#x>_` break;
dG5p`N% case TraceLevel.Warning:
G .PzpBA LogEntryType = EventLogEntryType.Warning;
doeYc break;
ks{y=@<, case TraceLevel.Info:
~{-zj LogEntryType = EventLogEntryType.Information;
B[2 qI7D$ break;
ean_/E case TraceLevel.Verbose:
R`%C]uG LogEntryType = EventLogEntryType.SuccessAudit;
0|mF
/ break;
ZV :cgv default:
GJ1ap^k LogEntryType = EventLogEntryType.SuccessAudit;
Ns3k(j16 break;
5!GL" }
v E4ce T&@xgj|!) EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
kl(id8r //写入事件日志
){'Ef_/R eventLog.WriteEntry(messageText, LogEntryType);
i6)7)^nG Q[5j5vry }
yWsJa)e3*@ catch {} //忽略任何异常
A}./ ;[ }
8v eG^o } //class ApplicationLog
.rfKItd }
S xn# m*'^*# 12.Panel 横向滚动,纵向自动扩展
0Fd<@wQ0 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
6
GL.bS 2>bTcud> 13.回车转换成Tab
sR(or=ub~ <script language="javascript" for="document" event="onkeydown">
soSdlV{ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
2;!,:bFb event.keyCode=9;
4<P=wK=a8X </script>
G{wIY" ~4 6R.%I{x' onkeydown="if(event.keyCode==13) event.keyCode=9"
8xAxn+; e7T}*Up 14.DataGrid超级连接列
NI^=cN,l DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
l y!vbpE_ ~ 9F
rlj 15.DataGrid行随鼠标变色
wNNInS6 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
WAd5,RZ? {
T4
:UJj} if (e.Item.ItemType!=ListItemType.Header)
>v
sy P {
lfle7; e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
]g/:l S4 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
:>y?B!= }
!c 3c%=W }
S-^:p5{r 8ClOd<I 16.模板列
u
ZzO$e <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
[2WJ];FJ <ITEMTEMPLATE>
RB,`I#z1f <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
+-s$Htx </ITEMTEMPLATE>
yniXb2iM </ASP:TEMPLATECOLUMN>
-k4w$0) 8ztVv <ASP:TEMPLATECOLUMN headertext="选中">
,b b/
$
<HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
w)nFH)f <ITEMTEMPLATE>
<`PW4zSI <ASP:CHECKBOX id="chkExport" runat="server" />
_m?TEqB </ITEMTEMPLATE>
?h$
=] <EDITITEMTEMPLATE>
>EacXPt-O <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
4lVvs(W? </EDITITEMTEMPLATE>
\/wbk`2 </ASP:TEMPLATECOLUMN>
26e. Hu IasWm/ 后台代码
>+/2g protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
ryC7O'j_P {
>TKl`O //改变列的选定,实现全选或全不选。
r bfIH": CheckBox chkExport ;
Ro2Ab^rQ| if( CheckAll.Checked)
[.
rULQl {
(=jztIZC foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
uQ(C,f[6p {
>.xgo6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/QgU!:e chkExport.Checked = true;
7o99@K, }
pHftz-RS! }
0gIJ&h6*f else
u&E$( {
$2kZM4 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
D#.N)@\ {
q{c/TRp7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!gyEw1Re7 chkExport.Checked = false;
+";<Kd - }
[(O*W }
~43T$^<w; }
ozCH1V{p "0V8i%a 17.数字格式化
U65a_dakk ; *ZiH%q, 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
#~JR_oQE! <%#Container.DataItem("price","{0:¥#,##0.00}")%>
p]]*H2UD v PJ=~*P= int i=123456;
,zP.ch0K string s=i.ToString("###,###.00");
,,Ia 4c
o3ZqPk]al 18.日期格式化
Rf4}4ixkj wBJP8wES= 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
ExW3LM9( CKuf'h# 显示为: 2004-8-11 19:44:28
!iHJ! tsWzM9Yf 我只想要:2004-8-11 】
&UextG