1. 打开新的窗口并传送参数:
D9 OS,U/l W -8<sv$b 传送参数:
;Z%ysLA response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
AM#VRRTU I~H:-"2 接收参数:
rpu9 string a = Request.QueryString("id");
M >P-0IC string b = Request.QueryString("id1");
;ZPAnd:pb .%_scNP 2.为按钮添加对话框
$%ZEP>] Button1.Attributes.Add("onclick","return confirm(’确认?’)");
X&nkc/erx button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
%Ez%pT0TQ# O|m-Uz"+ 3.删除表格选定记录
Zy,U'Dv int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
A\ds0dUE string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
!;.i#c_u m:5 *:Ii. 4.删除表格记录警告
o[q
Kf private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
S1(. AI~ {
]b4*`}\ switch(e.Item.ItemType)
ftq&<8 {
y;<^[ case ListItemType.Item :
Iz,a
Hrq case ListItemType.AlternatingItem :
$]|fjB#D case ListItemType.EditItem:
!31v@v:) TableCell myTableCell;
H>AQlO+ J
myTableCell = e.Item.Cells[14];
7\@[e, ^9 LinkButton myDeleteButton ;
hu%rp{m^, myDeleteButton = (LinkButton)myTableCell.Controls[0];
cG1-.,r myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
oNY;z-QK break;
mj=$[y( default:
|UZPn>F~ break;
9Xo'U;J }
YdX#` 34_:.QK- }
*L7 ZyERs J7W]Str 5.点击表格行链接另一页
+C1/02ZJ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
eyBLgJt8P {
+Wh0Of //点击表格打开
vS%o>"P if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
D@*<p h= e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
W4Rs9NA} }
; S7
% 9Slx.9f 双击表格连接到另一页
Bm2"} = = zW}vm } 在itemDataBind事件中
!:t}8 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
/> c F {
8X!^ 2B}J string OrderItemID =e.item.cells[1].Text;
Ql&5fyW ...
Q4\EI=4P] e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
QyQ&xgS }
hE0
p>R8 &dp<i[ec^ 双击表格打开新一页
U1G"T(;s: if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
jR`q y< {
Tm~a&p string OrderItemID =e.item.cells[1].Text;
L^uO.eI"m ...
\L}aTCvG e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
&+;z`A'|8 }
vggyQf% zC#[ ★特别注意:【?id=】 处不能为 【?id =】
^55#!/9 6.表格超连接列传递参数
Jj4!O3\I <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
+#7e?B <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
W- 5Z"m1I pE<dK.v6 7.表格点击改变颜色
pe$"
nUy| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
\)'s6>58| {
F+
qRC_C>O e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
1^^<6e this.style.color=’buttontext’;this.style.cursor=’default’;");
Wcd;B7OH }
4^\5]d! 8gWifx
#N 写在DataGrid的_ItemDataBound里
rdZk2\< if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
)!J0e-T-8O {
T#%r\f,l0 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Y ]&D;w this.style.color=’buttontext’;this.style.cursor=’default’;");
swV/Mi> e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
9gR@Q%b) }
1eQa54n C1_':-4 19O /Q,9 8.关于日期格式
q66!xhp;? sc
dU 日期格式设定
XA75tU[# DataFormatString="{0:yyyy-MM-dd}"
]pr( hk 5<h7+ %?t9 我觉得应该在itembound事件中
ovJwor e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
7.7P>U a[d6@! 9.获取错误信息并到指定页面
$'Z\'<k[ l?GN& u 不要使用Response.Redirect,而应该使用Server.Transfer
7\I,;swo /KGVMBifM e.g
w6 0I;.hy // in global.asax
j xB protected void Application_Error(Object sender, EventArgs e) {
:H($|$\h if (Server.GetLastError() is HttpUnhandledException)
7(c7- Server.Transfer("MyErrorPage.aspx");
>8h14uCk k+
[V%[U //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
%_Gc9SI }
2k}~"!e1 yop,%Fe Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Ve\^(9n 'jh9n7mH 10.清空Cookie
[~e{58}J| Cookie.Expires=[DateTime];
WgX9k J Response.Cookies("UserName").Expires = 0
kU^*hd] K. [2uhB) 11.自定义异常处理
Xm,w.|dx //自定义异常处理类
1KwUp0%& using System;
iV<4#aBg using System.Diagnostics;
1_$ybftS _0^f namespace MyAppException
=_~bSEqyRI {
:uwB)G /// <summary>
sk*AlSlM /// 从系统异常类ApplicationException继承的应用程序异常处理类。
j6x1JM /// 自动将异常内容记录到Windows NT/2000的应用程序日志
5WJof`M /// </summary>
+b@KS"3h public class AppException:System.ApplicationException
!Ab4'4f {
esE5#Yq4.k public AppException()
2}:{}pw {
XIQfgrGZ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
BPRhGG|9j }
*$+k-BV \/=w\Tj public AppException(string message)
/S9s%scAy {
e$!01Y$HI LogEvent(message);
sXe=4`O }
ig
G8L Y:UDte[Lb public AppException(string message,Exception innerException)
ErZYPl {
3%`asCW$ LogEvent(message);
?+6w8j%\ if (innerException != null)
`Hj{XIOx {
>IZ|:lsxE LogEvent(innerException.Message);
2Lravb3 }
e'%"G{(D }
PEA<H0 2|a@,TW}- //日志记录类
tR`'( *wh using System;
x@^Kd*fo using System.Configuration;
OJX* :Q using System.Diagnostics;
"h.-qQGU% using System.IO;
|Uf[x[ using System.Text;
ZWJ%t'kF using System.Threading;
`*?8<Vm Wp5w}8g namespace MyEventLog
+%Y`>1I^# {
}<G"w5.< /// <summary>
"^?|=sQ /// 事件日志记录类,提供事件日志记录支持
U9N1)3/u /// <remarks>
p\xi5z /// 定义了4个日志记录方法 (error, warning, info, trace)
h$\+r< /// </remarks>
IC5[:UZ5] /// </summary>
9hoTxWpmy public class ApplicationLog
?[Gj?D.Wc {
ruqx#]- /// <summary>
Um4$. BKD /// 将错误信息记录到Win2000/NT事件日志中
-w7g} /// <param name="message">需要记录的文本信息</param>
+[W_Jz /// </summary>
f+A!w8E public static void WriteError(String message)
c:;m BS>~ {
8M9LY9C WriteLog(TraceLevel.Error, message);
x[%z \ }
aX`@WXK fMg3 /// <summary>
sqKLz /// 将警告信息记录到Win2000/NT事件日志中
#f*,mY|> /// <param name="message">需要记录的文本信息</param>
;4E(n /// </summary>
F|Y}X|x8Q public static void WriteWarning(String message)
<qGVOAnz+ {
Z]Zs"$q@ WriteLog(TraceLevel.Warning, message);
mv%Zh1khn/ }
'ju e-@=QI^, /// <summary>
oXKH,r /// 将提示信息记录到Win2000/NT事件日志中
ZmT
N /// <param name="message">需要记录的文本信息</param>
s]=bg+v?j /// </summary>
M
mihWD02 public static void WriteInfo(String message)
X{8/]'( {
'3n?1x WriteLog(TraceLevel.Info, message);
qRV5qN2{XY }
BbCt_z' /// <summary>
7*{9 2_M /// 将跟踪信息记录到Win2000/NT事件日志中
^M51@sXI7 /// <param name="message">需要记录的文本信息</param>
C}})dL;( /// </summary>
Ds}ctL{6" public static void WriteTrace(String message)
T[$! ^WT {
CO+[iJ,4C+ WriteLog(TraceLevel.Verbose, message);
P5&mpl1 }
47(/K2 hvc%6A\nm /// <summary>
naQ0TN, /// 格式化记录到事件日志的文本信息格式
]7#@lL;'0 /// <param name="ex">需要格式化的异常对象</param>
\QpH~&QIS /// <param name="catchInfo">异常信息标题字符串.</param>
.bwKG`F /// <retvalue>
Hh|a(Zq, /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
O&ur|&v /// </retvalue>
^+v6?%m /// </summary>
p-KMELB public static String FormatException(Exception ex, String catchInfo)
a.oZ}R7'Y {
t&GjW6]W StringBuilder strBuilder = new StringBuilder();
ch^tq",1> if (catchInfo != String.Empty)
vmV<PK- {
Glt%%TJb strBuilder.Append(catchInfo).Append("\r\n");
dcK7Dd-> }
#<^ngoOj strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Ax'jNol return strBuilder.ToString();
|l*#pN&L }
i/Nd ^5"2s:vP /// <summary>
*58`}] /// 实际事件日志写入方法
;PBybRW /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
5)}3C_pmW /// <param name="messageText">要记录的文本.</param>
l7g<
$3 /// </summary>
X={n9*Sd8 private static void WriteLog(TraceLevel level, String messageText)
=Wb!j18] {
d|nJp-%V try
?O]iX;2vM {
>x$eKN EventLogEntryType LogEntryType;
Sk'S`vH switch (level)
!3E
%u$-} {
gEejLyOag case TraceLevel.Error:
=z=$S]qN LogEntryType = EventLogEntryType.Error;
9`3%o9V9Y break;
f/_RtOSw case TraceLevel.Warning:
xj1FCT2 LogEntryType = EventLogEntryType.Warning;
]i}3`e? break;
K1vm
[Ne case TraceLevel.Info:
\P3[_kbf1 LogEntryType = EventLogEntryType.Information;
AbWnDqv break;
0cd`. ZF case TraceLevel.Verbose:
P^1+;dL,D LogEntryType = EventLogEntryType.SuccessAudit;
x{$~u2| break;
,+iREh; default:
L `fDc LogEntryType = EventLogEntryType.SuccessAudit;
.x
1& break;
o0f{ePZ= }
G^Z
SQ! ZTq"SQ>ym EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
c4T8eTKU //写入事件日志
(x.O]8GKP eventLog.WriteEntry(messageText, LogEntryType);
h{&X`$ N*k` 'T }
z[7j`J|Kk catch {} //忽略任何异常
;:w?&4 }
(sngq{*%%z } //class ApplicationLog
F<KUVe }
qkCj33v Rf&~7h'+ 12.Panel 横向滚动,纵向自动扩展
E7XFt#P. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
:d&^//9 UuNcBzB2d 13.回车转换成Tab
:HDl-8]Lw <script language="javascript" for="document" event="onkeydown">
-I#]#i@gX if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
LD'eq\vO event.keyCode=9;
{x$h K98 </script>
o6 FSSKM l'_P]@* onkeydown="if(event.keyCode==13) event.keyCode=9"
7~t,Pt) sT. :"Pj$ 14.DataGrid超级连接列
H;QE',a9+i DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Af zE0mBW Ol }^'7H 15.DataGrid行随鼠标变色
1NP(3yt% private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_x.!,
g{ {
[OH9/" if (e.Item.ItemType!=ListItemType.Header)
6[-N}) {
s|Hrb_[;l e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
\'rh7!v-u e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
!y8/El }
l?+67cQLA }
XJ3 5Z+M $1Lm=2;U 16.模板列
i7qG5U <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
0?D`|x_ <ITEMTEMPLATE>
4t(V)1+ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
m=Z1DJG </ITEMTEMPLATE>
e i L
; </ASP:TEMPLATECOLUMN>
piZ0KA" DP rFB y <ASP:TEMPLATECOLUMN headertext="选中">
|<,!K;@ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
MKad
5gD*< <ITEMTEMPLATE>
@"`J~uK <ASP:CHECKBOX id="chkExport" runat="server" />
B2QC#R </ITEMTEMPLATE>
[SluYmW <EDITITEMTEMPLATE>
"?I ]h <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
(GLd"Zq </EDITITEMTEMPLATE>
J/M_cO*U </ASP:TEMPLATECOLUMN>
gFJ.
p aY^_+&&G 后台代码
*c\:ogd protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
L*2YAIG {
{Z>OAR# //改变列的选定,实现全选或全不选。
X 8TwMt CheckBox chkExport ;
8vhg{L.. if( CheckAll.Checked)
";jj` {
\r_-gn'1b foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
82w='~y {
99'e)[\ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
29]T:I1d[ chkExport.Checked = true;
#d+bld \ }
"=7y6bM }
xLfx/&2 else
n'<FH<x {
vT*z3 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
MuzlUW ] {
[m>kOv6>^ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
eq0&8/= chkExport.Checked = false;
]!yuD/4A }
6
ufF34tA }
aP}kl[W }
D^(Nijl9U W'Wr8~{h 17.数字格式化
5*.JXxE;U {q9[0-LyJ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
9v=fE2`- <%#Container.DataItem("price","{0:¥#,##0.00}")%>
3BBw:)V ar-N4+!@ int i=123456;
/D]?+<