1. 打开新的窗口并传送参数:
n.9k< qYpuo
D 传送参数:
pkTg.70wU response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
T}')QC&wQ Zx$q,Zo< 接收参数:
S%+,:kq string a = Request.QueryString("id");
O5}/OH|j string b = Request.QueryString("id1");
Jt-s6-2 [HEqMBX=; 2.为按钮添加对话框
g;p]lVx=> Button1.Attributes.Add("onclick","return confirm(’确认?’)");
$7Sbz&)y3 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
P
"S=RX#+ gkxEy5c[ 3.删除表格选定记录
z^(6>U
? int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
PT2b^PP string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
$#Mew:J m]g"]U: 4.删除表格记录警告
_W@SCV)yH private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
&uLxAw {
_-NS-E switch(e.Item.ItemType)
M :m-i X {
m>po+7"b case ListItemType.Item :
5fh@nR case ListItemType.AlternatingItem :
,!`94{Ggv case ListItemType.EditItem:
D+ki2UVt& TableCell myTableCell;
m~K[+P myTableCell = e.Item.Cells[14];
j
s(E-d/ LinkButton myDeleteButton ;
hl4@Y#n myDeleteButton = (LinkButton)myTableCell.Controls[0];
*q5'~)W< myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
6r"PtHr break;
1[k~*QS default:
" mKMym2 break;
)B d`N^k+ }
)G(6=l* K;2]c3T }
9"yBO` q.(p.uD 5.点击表格行链接另一页
;OYwZ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@5gZK[?|I {
Y^)VHE] //点击表格打开
`1%SXP1 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
D\Y)E#%, e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Xco$
yF% }
FswMEf-| 1B3,lYBM 双击表格连接到另一页
c$f|a$$b [7Nn%eZC
在itemDataBind事件中
>/"XX,3 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@4:cn {
PN:8H> string OrderItemID =e.item.cells[1].Text;
;(w=}s%]+ ...
YtQKsM e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
<!,q:[ee5 }
w'=#7$N @C=, >+D 双击表格打开新一页
X7kJWX if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
x7e {
TGLkwXOkT string OrderItemID =e.item.cells[1].Text;
)!dELS\ix ...
T[))ful e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
C!w@Naj }
MW9B
-x xsRMF&8L ★特别注意:【?id=】 处不能为 【?id =】
hvBuQuk) 6.表格超连接列传递参数
Cu({%Gy+ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
o*n""m <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
v >3ctP{ 5q]u: 7.表格点击改变颜色
OxF\Hm)( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
}jd[>zk {
We#*.nr{3Z e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
whKr3) this.style.color=’buttontext’;this.style.cursor=’default’;");
NQfIY`lt' }
mUy/lo'4 [v-?MS 写在DataGrid的_ItemDataBound里
(p} N9n$ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
B^Ql[m&5+ {
5d}PrYa e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
-lL*WA` this.style.color=’buttontext’;this.style.cursor=’default’;");
qe(X5?#; e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
ECkfFE` }
@=wAk5[IN C`mXEX5 \g4\a?i 8.关于日期格式
k5-mK{RZ 4)j<(5 日期格式设定
C,PCU <q DataFormatString="{0:yyyy-MM-dd}"
dc&Qi_W x6DH0*[. 我觉得应该在itembound事件中
`*oLEXYN e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
}Tc)M_ /LSiDys 9.获取错误信息并到指定页面
5!nZvv r.ajw&J2 不要使用Response.Redirect,而应该使用Server.Transfer
z5'VsK: l"*>>/U k e.g
tW=0AtZl] // in global.asax
6l_8Q w*5I protected void Application_Error(Object sender, EventArgs e) {
O1#rCFC|y if (Server.GetLastError() is HttpUnhandledException)
D"x~bs?V\ Server.Transfer("MyErrorPage.aspx");
RM<\bZPc wFqz.HoB //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
"\_}"0H }
L<QDC /asyj="N7 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
<K\F/`c d'3'{C|kk 10.清空Cookie
JAiV7v4&R Cookie.Expires=[DateTime];
19#)#
n^ Response.Cookies("UserName").Expires = 0
JR<R8+@g_ 0N
T3 11.自定义异常处理
4x C0Aw //自定义异常处理类
'xi.. using System;
Fk9(FOFg using System.Diagnostics;
WG}QLcP v<c Hx/ namespace MyAppException
Xr)d;@yi {
6nq.~f2` /// <summary>
v'@LuF'e8 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
?,8b-U#A1 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
WI~%n
/// </summary>
^y6CV4T+ public class AppException:System.ApplicationException
eD(a
+El} {
*xjIl<`pK public AppException()
G?_,( {
G7=8*@q>: if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
~w*ojI }
plIx""a^h dk]ro~ [ public AppException(string message)
iLI]aZ {
uA,{C%? LogEvent(message);
o{Ep/O` }
W2B=%`sC h/VYH(Tj public AppException(string message,Exception innerException)
VsMN i#? {
DtS{iH=s] LogEvent(message);
.KLuGb3JJ if (innerException != null)
puyL(ohem {
]a%Kn]HI&2 LogEvent(innerException.Message);
24Tw1'mW }
UmuFzw^ }
`->k7a0<b1 )gLasR.1 //日志记录类
}<S2W\,G using System;
CYu8J@(\~g using System.Configuration;
H}~^,B2; using System.Diagnostics;
$g^;*>yr using System.IO;
M:$nL using System.Text;
7(;VUR%%. using System.Threading;
# 0(\s@r. ?yb{DZ46 namespace MyEventLog
;v'Y'!-J {
Ne EV!V8 /// <summary>
,m8*uCf /// 事件日志记录类,提供事件日志记录支持
u5ygbCm /// <remarks>
7EXmmB~>, /// 定义了4个日志记录方法 (error, warning, info, trace)
N-|Jj?c /// </remarks>
*S4P'JSY /// </summary>
ZIl<y{ public class ApplicationLog
`y#C%9# {
OXB-.< /// <summary>
7KIQ)E'kG| /// 将错误信息记录到Win2000/NT事件日志中
_JDr?Kg /// <param name="message">需要记录的文本信息</param>
"U.=A7r /// </summary>
)]R?v,9*D public static void WriteError(String message)
hzb|: {
;p ('cwU% WriteLog(TraceLevel.Error, message);
BxU1Q& }
A{%;Hd`0/ xW4+)F5P( /// <summary>
F! e`i-xt /// 将警告信息记录到Win2000/NT事件日志中
QR'g*Bro /// <param name="message">需要记录的文本信息</param>
POXn6R!mM1 /// </summary>
W|e> public static void WriteWarning(String message)
*% *^a\2 {
^aCYh[= WriteLog(TraceLevel.Warning, message);
>6 #\1/RP }
`.g8JC\_m B_2>Yt" /// <summary>
2A|6o*s" /// 将提示信息记录到Win2000/NT事件日志中
y9hZ2iT /// <param name="message">需要记录的文本信息</param>
`qz5rPyZ /// </summary>
:nUsC+oBS public static void WriteInfo(String message)
j.}V~Sp* {
{Xd5e@:Js WriteLog(TraceLevel.Info, message);
!ei20@ }
T}[vfIJD /// <summary>
9m4rNvb /// 将跟踪信息记录到Win2000/NT事件日志中
{B.]w9 /// <param name="message">需要记录的文本信息</param>
m!g8@YI /// </summary>
Uc0'XPo3I public static void WriteTrace(String message)
o7XRa]O {
=_J<thp WriteLog(TraceLevel.Verbose, message);
3+5\xRq }
oJT@'{;*z s.)w
A`&& /// <summary>
qXGLv4c`Q /// 格式化记录到事件日志的文本信息格式
_ n4ma /// <param name="ex">需要格式化的异常对象</param>
pw yl,A /// <param name="catchInfo">异常信息标题字符串.</param>
,{*fOpn /// <retvalue>
3uG5b8? /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
9[E$>o"% /// </retvalue>
5udoZ>T /// </summary>
_Pi:TxY public static String FormatException(Exception ex, String catchInfo)
bnu0*Zg> {
Ec*7n6~9 StringBuilder strBuilder = new StringBuilder();
F)ld@Ydk= if (catchInfo != String.Empty)
e*6` dz@ {
7h/Q;P5 strBuilder.Append(catchInfo).Append("\r\n");
wg_CI,Kq }
72vGfT2HtZ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
_hL4@C return strBuilder.ToString();
TbAdTmW }
pY>-N *"{Z?< 3 /// <summary>
@b\_696. /// 实际事件日志写入方法
.hNw1~Fj /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
S{7ik,Gdg /// <param name="messageText">要记录的文本.</param>
P\6T4s /// </summary>
={@ @`yP^$ private static void WriteLog(TraceLevel level, String messageText)
Ny7=-]N4{" {
~LW%lMy;^| try
&\`a5[ {
Mqf}Aiqk; EventLogEntryType LogEntryType;
9O T4jAm switch (level)
8yz((?LrDh {
MXJ9,U{<C' case TraceLevel.Error:
`Mp7}) LogEntryType = EventLogEntryType.Error;
vek:/'sj3p break;
[pFu
]^X case TraceLevel.Warning:
#33RhJu5, LogEntryType = EventLogEntryType.Warning;
'Qq_Xn8 break;
fy>And* case TraceLevel.Info:
?[1qC=[Z< LogEntryType = EventLogEntryType.Information;
!Fg4Au break;
UQ?OD~7 case TraceLevel.Verbose:
/A))"D LogEntryType = EventLogEntryType.SuccessAudit;
SLjf<.S break;
bKMR7&e.Ep default:
zpr@!76 LogEntryType = EventLogEntryType.SuccessAudit;
{!e ANm' break;
<eFAI}=s }
"zIq)PY S{(p<%)[ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
>aC\_Mc //写入事件日志
?(ls<&s{w eventLog.WriteEntry(messageText, LogEntryType);
QUZQY`'@ T\
}v$A03 }
i@R$g~~-D catch {} //忽略任何异常
:Ip:sRz }
MAD}Tv\S7 } //class ApplicationLog
m_Ac/ctf }
oSA*~ N: =_m9so 12.Panel 横向滚动,纵向自动扩展
71/ m.w <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
dbuJ~?D, .F$|j1y
13.回车转换成Tab
=i^<a7M~ <script language="javascript" for="document" event="onkeydown">
,Lun-aMd if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
^*xHy` event.keyCode=9;
?9gTk
\s?R </script>
g?[&0r1 ~l*?D7[o onkeydown="if(event.keyCode==13) event.keyCode=9"
bA<AG* 0+<eRR9- 14.DataGrid超级连接列
d=Df.H+3 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
8lWH=kA\ ,s><kHJ 15.DataGrid行随鼠标变色
9sU+IT K4 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
B&i0j5L {
O%JsUKV if (e.Item.ItemType!=ListItemType.Header)
o`\.I&Ij {
"rx^M*" e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
"\/^/vn? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
M6jp1:ZH2q }
*|k;a]HT }
pFJQ7Jlx EzIs@} 16.模板列
MZ5Y\-nq\ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Z6^QB@moj <ITEMTEMPLATE>
R>d@tr <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
`D)Lzm R </ITEMTEMPLATE>
Y8%0;!T </ASP:TEMPLATECOLUMN>
wMz-U- z OpK.Lsd0y <ASP:TEMPLATECOLUMN headertext="选中">
&@%
b?~ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
+%Lt". o <ITEMTEMPLATE>
8VP"ydg-U <ASP:CHECKBOX id="chkExport" runat="server" />
<8rgtu!VU </ITEMTEMPLATE>
4O`6h)!NQ <EDITITEMTEMPLATE>
Sk/#J!T8{ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
)d +hZ' </EDITITEMTEMPLATE>
,{?q^" </ASP:TEMPLATECOLUMN>
6P~aW IX<r5!
后台代码
?C
&x/2lt protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
$s-9|Lbs` {
{)V? R //改变列的选定,实现全选或全不选。
PMgQxM*h CheckBox chkExport ;
c6Lif)4 if( CheckAll.Checked)
=s'XR@ {
/
l".}S foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
4!l
sk:R {
nW4Vct chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
e,f ; chkExport.Checked = true;
,0!uem}1i }
A7k'K4 }
^
<qrM else
-IBO5;2_ {
aSOU#Csx foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
aje^Z=] {
cYGRy,'gH chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
J &!B|TS chkExport.Checked = false;
k$C"xg2 }
ZCm1+Y$ }
Kb}MF9?:e }
_6;<ow NQ?x8h3 17.数字格式化
c~P)4(udT D"L|"qJ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
nV'3sUvR# <%#Container.DataItem("price","{0:¥#,##0.00}")%>
z@zD . ibvJWg int i=123456;
B4Q79gEh= string s=i.ToString("###,###.00");
EMLx?JnP 9"~9hOEct 18.日期格式化
LI[ ?~P2\ TWUUvj`. 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
|U#DUqw ITONpg[f 显示为: 2004-8-11 19:44:28
d7* CwY9" ! ,@ZQS 我只想要:2004-8-11 】
C` pp <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
C1d
04Q 80Ag 应该如何改?
MU|{g
5/
) <"?*zx&