1. 打开新的窗口并传送参数:
d'ZNp2L lxL.ztL 传送参数:
^%9oeT{ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
j9[I6ko5' J@I>m N1\ 接收参数:
F&czD;F string a = Request.QueryString("id");
N, Ma\D+^t string b = Request.QueryString("id1");
ErK1j -t|/g5.w_ 2.为按钮添加对话框
6Bjo9,L Button1.Attributes.Add("onclick","return confirm(’确认?’)");
}OAU5P!rp button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
CZ3oX#b >z\IO 3.删除表格选定记录
C(G.yd int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ZgxB7zl// string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
apk,\L@sZ T(*,nJi~9 4.删除表格记录警告
CLaQE{ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
.u&xo{$'dS {
#! R>`l(S switch(e.Item.ItemType)
}b(hD|e {
(46'#E z[F case ListItemType.Item :
$3HqVqF^R case ListItemType.AlternatingItem :
*XhlIQ case ListItemType.EditItem:
FFcCoPX_ TableCell myTableCell;
Z2$_9. myTableCell = e.Item.Cells[14];
`;6M|5G LinkButton myDeleteButton ;
?CQE6ch myDeleteButton = (LinkButton)myTableCell.Controls[0];
_f%s] myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3s!6rT_=)d break;
^~[7])}g6 default:
v zg^tJ break;
E#,"C`&* }
s0?'mC+p %`&n ;K.c }
Z\IM~- y 9]d{:9
5.点击表格行链接另一页
y5j:+2|I private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:.*Q@X}-I {
CXrOb+ //点击表格打开
a|u#w~ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ZTzec zXpQ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
9<_hb1' }
+x
3x ML12&E> 双击表格连接到另一页
|KYl'"5\ XZ
|L D# 在itemDataBind事件中
:.+w'SEn4M if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{:gx*4}q8 {
..8t1+S6] string OrderItemID =e.item.cells[1].Text;
#AGO~#aK ...
tw$EwNI[ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
J=3{<Xl }
4P3RRS _s^tL2Pc 双击表格打开新一页
h.vy SwF"j if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
JI!1
.]& {
vMp=\U-~^ string OrderItemID =e.item.cells[1].Text;
&gXL{cK'% ...
%1A8m-u]M e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
#H~55 ))F }
,/+Mp 0vqH-)} ★特别注意:【?id=】 处不能为 【?id =】
y$R8J:5f 6.表格超连接列传递参数
$vXY"-k <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
|D)CAQn, <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
$\P/
%eP _R\FB|_ 7.表格点击改变颜色
?C2(q6X+s if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Wa^Wn +r {
#'&-S@/nQs e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
mw 5>[ this.style.color=’buttontext’;this.style.cursor=’default’;");
W]D YfR, }
^&YtZjV K:U=Y$ x 写在DataGrid的_ItemDataBound里
fF0K]. if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
'bl9fO4v {
;
pBLmm*F e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
u;t<rEC2 this.style.color=’buttontext’;this.style.cursor=’default’;");
1Gr^,Ry e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
jv~#'=T' }
F `:Q Eq)b=5qrG? wMCMrv: 8.关于日期格式
jI8`trD @:zC!dR)G 日期格式设定
`C>h]H( DataFormatString="{0:yyyy-MM-dd}"
pqO3(2F9 P}Ig6^[m\ 我觉得应该在itembound事件中
w]gLd e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
%DiQTg7V, i
7]o[ 9.获取错误信息并到指定页面
W@AHE?s6g w@-G_-6W 不要使用Response.Redirect,而应该使用Server.Transfer
Hj
>fg2/ %h ;oi/pe e.g
.vKgiIC: // in global.asax
r!!uA1!7 protected void Application_Error(Object sender, EventArgs e) {
7%"|6dw if (Server.GetLastError() is HttpUnhandledException)
z#Jw?K_ Server.Transfer("MyErrorPage.aspx");
l5w^rj |2^mCL.r //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
oqwW }
!6|_`l>G, w~B1TfqNo 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;"H$0!9 WDY\Fj 10.清空Cookie
[6VM4l" Cookie.Expires=[DateTime];
)2).kL> Response.Cookies("UserName").Expires = 0
??nT[bhQ _]*[TGap 11.自定义异常处理
28^/By:J //自定义异常处理类
#6@hVR. using System;
|gA@$1+} using System.Diagnostics;
9q?knMt IA0vSF: namespace MyAppException
esSj
3E {
TE&E f$h /// <summary>
rrU(>jA! /// 从系统异常类ApplicationException继承的应用程序异常处理类。
(Yj6|` /// 自动将异常内容记录到Windows NT/2000的应用程序日志
v>K|hH /// </summary>
;0WAfu}#H public class AppException:System.ApplicationException
<T7@,_T {
! =21K0~t# public AppException()
^r}Uu~A> {
Ut~YvWc9 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
-!+i
^r }
Z|@-=S(. ruagJS)+ public AppException(string message)
kVtP~ {
&H# l* LogEvent(message);
EO+Ix7w }
bP$e1I3` uvl91~&G public AppException(string message,Exception innerException)
fAStM: {
;L87
%P(. LogEvent(message);
s8(Z&pQ if (innerException != null)
$!G|+OuTR {
umPnw LogEvent(innerException.Message);
[uqr }
}%wP^6G*x\ }
E7h@c>IK 7V=deYt_p //日志记录类
h(q4
B~ using System;
lg-`zV3 using System.Configuration;
KD#zsL)3 using System.Diagnostics;
>;G_o="X using System.IO;
L`M{bRl+1 using System.Text;
oa+'.b~ using System.Threading;
ui8$ F
"I* <8%+-[(
namespace MyEventLog
vH6(p(l {
~C
3Y/} /// <summary>
j*8Ze!^ /// 事件日志记录类,提供事件日志记录支持
%zc.b /// <remarks>
!pe[H*Cy /// 定义了4个日志记录方法 (error, warning, info, trace)
XKp(31]) /// </remarks>
7202N?a
{ /// </summary>
r8R7@S2V' public class ApplicationLog
2O(k@M5E? {
UV%o&tv|< /// <summary>
9i #,V@ /// 将错误信息记录到Win2000/NT事件日志中
T\zn&6 /// <param name="message">需要记录的文本信息</param>
\l(}8;5} /// </summary>
miBCq l@x public static void WriteError(String message)
uF%N`e^S {
Nc6y]eGz WriteLog(TraceLevel.Error, message);
*C)m#[#:u }
D3 +|Os) e+Mm!\;` /// <summary>
2:.$:wS /// 将警告信息记录到Win2000/NT事件日志中
$m>( kd1 /// <param name="message">需要记录的文本信息</param>
hQ%X0X, /// </summary>
ZyU/ .Uk public static void WriteWarning(String message)
5Mxl({oI] {
cJT_Qfxx WriteLog(TraceLevel.Warning, message);
S%]4['Y }
4myikeUR_ 5Q}HLjG8Z /// <summary>
l+(B~v /// 将提示信息记录到Win2000/NT事件日志中
4cm~oZ /// <param name="message">需要记录的文本信息</param>
!pa7]cZ /// </summary>
.}R'(gN\6 public static void WriteInfo(String message)
WZA1nzRc {
+7"UF)
~k WriteLog(TraceLevel.Info, message);
iw(`7(* }
\8Ewl|"N:u /// <summary>
V'.gE6we /// 将跟踪信息记录到Win2000/NT事件日志中
HU
+271A8 /// <param name="message">需要记录的文本信息</param>
`h'Ab63 /// </summary>
%,N-M]Jf public static void WriteTrace(String message)
"}uu-5]3 {
WFug-#;e WriteLog(TraceLevel.Verbose, message);
V!e`P }
Q\~#cLJ/
ieEtC,U /// <summary>
UHl1>(U /// 格式化记录到事件日志的文本信息格式
>SZuN"r8` /// <param name="ex">需要格式化的异常对象</param>
*}r6V"pH~ /// <param name="catchInfo">异常信息标题字符串.</param>
5U_ar /// <retvalue>
M+=q"#& /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
' z^v}~ /// </retvalue>
,=ju^_^sA /// </summary>
_Axw$oYS public static String FormatException(Exception ex, String catchInfo)
%AgCE"! {
dZ,7q_r,~ StringBuilder strBuilder = new StringBuilder();
tr
8Q{ if (catchInfo != String.Empty)
bnp:J|(ld {
C`oB [ strBuilder.Append(catchInfo).Append("\r\n");
;%n(ARZ# }
$H,9GIivD strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
[eF|2: return strBuilder.ToString();
-RThd" }
i[U=-4 J cJ,`71xop, /// <summary>
"g!/^A!! /// 实际事件日志写入方法
sGMnm /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
gcM(K.n /// <param name="messageText">要记录的文本.</param>
]w8h#p /// </summary>
S@L%X<Vm private static void WriteLog(TraceLevel level, String messageText)
IgF#f%|Q {
.}tpEvAw} try
|Pse=_i {
K8iQ? EventLogEntryType LogEntryType;
]%5gPfv[T switch (level)
WdrMp {
RCGpZyl case TraceLevel.Error:
j]9,yi LogEntryType = EventLogEntryType.Error;
Bm^8"SSN break;
|R Qa.^. case TraceLevel.Warning:
.w~L0( LogEntryType = EventLogEntryType.Warning;
^F"eHUg break;
6:TA8w| case TraceLevel.Info:
i\L7z)u LogEntryType = EventLogEntryType.Information;
^\PNjj*C i break;
`? f sU case TraceLevel.Verbose:
1UH_"Q03 LogEntryType = EventLogEntryType.SuccessAudit;
R<>uCF0 break;
KU0;}GSNX} default:
PurY_ LogEntryType = EventLogEntryType.SuccessAudit;
x A ZRl break;
WoMMAo~ }
H%Sx*| .V^h< d{ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
HtI>rj/\
x //写入事件日志
2f0_Xw_V_ eventLog.WriteEntry(messageText, LogEntryType);
| i'w"Tz4 Uv3Fe%> }
]O M?e catch {} //忽略任何异常
8g
2'[ci$q }
iHOvCrp+X } //class ApplicationLog
#mv~1tL }
yH@2nAn ~\+mo 12.Panel 横向滚动,纵向自动扩展
x8h=3e$ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
FiN B$A Q"{Q]IT 13.回车转换成Tab
V_Y2 @4 <script language="javascript" for="document" event="onkeydown">
g>Kh? ( if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
cNuBWLG event.keyCode=9;
cA
B^]j </script>
ZP7wS oo,3mat2C onkeydown="if(event.keyCode==13) event.keyCode=9"
(<5&<JC{ ML_[Z_Q<z 14.DataGrid超级连接列
Bdf]?s[] DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
o,y{fv:ki {cYbM[}U" 15.DataGrid行随鼠标变色
BO=j*.YKy private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
o7 X5{ {
u!VY6y7p if (e.Item.ItemType!=ListItemType.Header)
UXV>#U? {
fxX4 !r e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
/SYzo4( e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
[;i3o?\_I }
,G(bwE9~ }
K"ytE2:3 e/u(Re 16.模板列
r)t-_p37 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Xc@%_6 <ITEMTEMPLATE>
N u9+b"Wr <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
7tz#R:
</ITEMTEMPLATE>
N]@e7P'9F </ASP:TEMPLATECOLUMN>
'WQ<|(:{ v/DWy(CC <ASP:TEMPLATECOLUMN headertext="选中">
5-X(K 'Q <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
'x\{sv <ITEMTEMPLATE>
-qndBS <ASP:CHECKBOX id="chkExport" runat="server" />
syLpnNx= </ITEMTEMPLATE>
E?P:!V=_ <EDITITEMTEMPLATE>
n<>/X_m <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
AVv 8Hhd </EDITITEMTEMPLATE>
0Fm,F&12 </ASP:TEMPLATECOLUMN>
_:,U$W < {dV= 后台代码
naKB2y]l protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
2(sq*!tX {
5 l(Q#pSX //改变列的选定,实现全选或全不选。
) bGzsb1\ CheckBox chkExport ;
5;-?qcb^w if( CheckAll.Checked)
N,NEg4 q[ {
8a4&}^| foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
rY&Y58./ {
.9;wJ9Bw[ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
5%Q[X
chkExport.Checked = true;
k%?A=h }
eMC0
)B }
%]i("21 else
u9%)_Q!14 {
}7jg>3ng( foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
%phv <AW {
LK[%}2me chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
X>y6-%@ chkExport.Checked = false;
b}#ay2AR }
K Z)p\p<1 }
%@Ty,d:;= }
v'zf*]9 55T c 17.数字格式化
c,I|O'
&k cU'^
Ja?% 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
:X6A9jmd <%#Container.DataItem("price","{0:¥#,##0.00}")%>
_n+./B #e8NF,H5 int i=123456;
KzC`*U[
string s=i.ToString("###,###.00");
)FrXD3p P7GF"/ 18.日期格式化
o!+jPwEU \;G 97o
【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
F$Q@UVA *Q8d&$ ^ 显示为: 2004-8-11 19:44:28
&ii3V