1. 打开新的窗口并传送参数:
FE{c{G< o<Mccj 传送参数:
)\VuN-d response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
cn/&QA" \lQI;b;$ 接收参数:
j6~`C
?( string a = Request.QueryString("id");
=q)+_@24>d string b = Request.QueryString("id1");
77sG;8HE X[H .t$w5A 2.为按钮添加对话框
+;,J0,Yn Button1.Attributes.Add("onclick","return confirm(’确认?’)");
rr\9HA button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
5pDE!6gQ 6SE^+@jR 3.删除表格选定记录
9xq3>( int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
x|Pz24yP9 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
E<u(Yw6= 1!;~Y# 4.删除表格记录警告
Rx"+i0 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
1y6<gptx {
Bw!J!cCj switch(e.Item.ItemType)
NF4(+E9g {
!\d~9H%`B case ListItemType.Item :
S^|`*%pq case ListItemType.AlternatingItem :
3fpaTue|x case ListItemType.EditItem:
V#.pi zb TableCell myTableCell;
T+EwC)Ll myTableCell = e.Item.Cells[14];
a?GXVQ LinkButton myDeleteButton ;
m-tn|m!J myDeleteButton = (LinkButton)myTableCell.Controls[0];
V_m!<sr ( myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
rr\u)D#) break;
||TZ[l default:
>@cBDS<6R break;
d*04[5` }
dqQJC qc! vL[IVBG^ }
a'Odw2Q_ lfCr`[!E 5.点击表格行链接另一页
AY<L8 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[*(1~PrlO, {
fibudkg'> //点击表格打开
'q~<ZO if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Whp`\E<< e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
dyf>T}Iy }
B<-("P(q /4+Q;
P 双击表格连接到另一页
}|) N5bGQe qa@;S,lp 在itemDataBind事件中
+_*NY~ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
yX{7<\x
{
Qx|HvT2P string OrderItemID =e.item.cells[1].Text;
N TDmOS\, ...
aZ{ l6 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
T95FoA }
U&Atgv }S')!3[G 双击表格打开新一页
a=y%+E'a' if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:6)!#q'g {
rwW"B string OrderItemID =e.item.cells[1].Text;
hJ[keaO ...
qBK68B) e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
5W|wDy }
VyYrL]OrA 9eP*N(m< ★特别注意:【?id=】 处不能为 【?id =】
m1]/8{EC7 6.表格超连接列传递参数
_7;G$\^&. <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
-6s]7#IC <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
cp~6\F;c j"TEp$x 7.表格点击改变颜色
L[Y$ `e{zd if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
@cxM#N8e {
\Wppl,"6c e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
s?1Aj< this.style.color=’buttontext’;this.style.cursor=’default’;");
[)8O\/: }
U1/ww-!Z A0;{$/ 写在DataGrid的_ItemDataBound里
mRyf+O[ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
nZL!}3@< {
H=WB6~8) e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
AA ~7"2e this.style.color=’buttontext’;this.style.cursor=’default’;");
VJW8%s[ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
yHs9J1Sf }
Xm(#O1Vm(l P92pQ_W *>W6,F7 8.关于日期格式
pBBKfv q%f90 日期格式设定
-H[@]Q4w DataFormatString="{0:yyyy-MM-dd}"
0v1~#KCm o@j!J I& 我觉得应该在itembound事件中
~mah.8G
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
#_3-(H5u JW2f 6!b 9.获取错误信息并到指定页面
j1K~zG .Q@]+&`|}i 不要使用Response.Redirect,而应该使用Server.Transfer
&A/b9GW^- HD$`ZV e.g
ErsJWp // in global.asax
vKdS1Dn1 protected void Application_Error(Object sender, EventArgs e) {
@V Tw>=94 if (Server.GetLastError() is HttpUnhandledException)
)M[FPJP} Server.Transfer("MyErrorPage.aspx");
ix?Z:pIS0 Dq!YB[Z$: //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
,5t_}d|3C= }
wu{%gtx/;^ ) 54cG Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
0CX9tr2J 9nlj{(
10.清空Cookie
c1*^
\ Cookie.Expires=[DateTime];
Sw[*1C8 Response.Cookies("UserName").Expires = 0
?G&J_L=@Y !@ AnwV] 11.自定义异常处理
~G^+.>j //自定义异常处理类
=ty{ugM< using System;
Ln\Gv/) using System.Diagnostics;
|
ObA=[j SST@ namespace MyAppException
gMZrtK`< {
K3rsew
n /// <summary>
7eZwpg?K /// 从系统异常类ApplicationException继承的应用程序异常处理类。
pg<cvok /// 自动将异常内容记录到Windows NT/2000的应用程序日志
1mfB6p1Z( /// </summary>
%5Elj<eHZ public class AppException:System.ApplicationException
w0<1=;_% {
5g9K|- public AppException()
#Wv8+&n {
|*]<*qnZt if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
N#:W#C{16w }
nnd-d+$ W7 T2j+] public AppException(string message)
AX )dZdd {
}72 +i LogEvent(message);
v}^uN+a5 }
N{!@M_C^%R WO+>W+|N public AppException(string message,Exception innerException)
JVPLE*T {
eE0nW+i LogEvent(message);
GN|xd+O_ if (innerException != null)
N\hHu6 {
lOIf4 LogEvent(innerException.Message);
79'N/:. }
6:G::"ew }
U
owbk: U4._a //日志记录类
oi^pU using System;
M_;hfpJZ using System.Configuration;
>~G _'~_f using System.Diagnostics;
F
@Wb<+0 using System.IO;
Novn#0a using System.Text;
KKw J=za using System.Threading;
@ c%h fI a
,<u namespace MyEventLog
Aq &H-g]s {
$-mwr,i /// <summary>
r@H7J 5<Y- /// 事件日志记录类,提供事件日志记录支持
.W0;Vhw" /// <remarks>
?
y^t /// 定义了4个日志记录方法 (error, warning, info, trace)
io4/M<6< /// </remarks>
k'1iquc#u /// </summary>
9Jf.Ls public class ApplicationLog
<cR]-Yr~ {
:x_;- /// <summary>
V#d8fRm /// 将错误信息记录到Win2000/NT事件日志中
t|k-Bh:x /// <param name="message">需要记录的文本信息</param>
*JY2vq /// </summary>
]}N&I_mU public static void WriteError(String message)
koOp:7r {
,*{9g6 WriteLog(TraceLevel.Error, message);
?C|b>wM/ }
4-\gha =:7OS>x /// <summary>
/AUXO] /// 将警告信息记录到Win2000/NT事件日志中
uI_h__ /// <param name="message">需要记录的文本信息</param>
P}$DCD<$U /// </summary>
WH0$v#8`v public static void WriteWarning(String message)
0HS"Oxx' {
dW2Lvnh!>/ WriteLog(TraceLevel.Warning, message);
'wP\VCL2> }
ADVHi3b TmO3hKaP /// <summary>
K6;
s xF /// 将提示信息记录到Win2000/NT事件日志中
ugMfpT) /// <param name="message">需要记录的文本信息</param>
RS1c+]rr /// </summary>
a2`|6M; public static void WriteInfo(String message)
I'T@}{h {
LuUfdzH WriteLog(TraceLevel.Info, message);
*mj3 T
}
{qjw
S1v /// <summary>
e8ZMB$byP /// 将跟踪信息记录到Win2000/NT事件日志中
j?cE0
hz /// <param name="message">需要记录的文本信息</param>
T@, tlIM /// </summary>
K
trR+: public static void WriteTrace(String message)
-H(\[{3{V {
x9B{|+tIoc WriteLog(TraceLevel.Verbose, message);
(}NKW }
&KZr`"cT# ()I';o /// <summary>
1 n<7YO7} /// 格式化记录到事件日志的文本信息格式
&^!vi2$5} /// <param name="ex">需要格式化的异常对象</param>
A5LTgGzaW /// <param name="catchInfo">异常信息标题字符串.</param>
7Eett)4 /// <retvalue>
u!WjG@ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
('7qJkV /// </retvalue>
12MWO_'g8 /// </summary>
?#rejA: public static String FormatException(Exception ex, String catchInfo)
^u[n!R\ {
8@Kvh| StringBuilder strBuilder = new StringBuilder();
(lBwkQNQGd if (catchInfo != String.Empty)
S>s{t=AY~ {
Ps!~miN|> strBuilder.Append(catchInfo).Append("\r\n");
Q-M"+ HO }
Y
&"rf
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
#.kDin~! return strBuilder.ToString();
XFU['BI }
bzt(;>_8 o> i`Jq& /// <summary>
@3F 4Lg6H| /// 实际事件日志写入方法
{x#I&ra /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
`swf~ /// <param name="messageText">要记录的文本.</param>
4)XZ'~| /// </summary>
-
P$mN6h private static void WriteLog(TraceLevel level, String messageText)
lQSKY}h {
(dh{Gk4=+ try
QC+K:jL {
zJ2dPp~u EventLogEntryType LogEntryType;
/ .ddx< switch (level)
/)Pf ] {
97%S{_2m/ case TraceLevel.Error:
9+o`/lk1 LogEntryType = EventLogEntryType.Error;
sD[G?X break;
!b0ANIp case TraceLevel.Warning:
QmpP_eS > LogEntryType = EventLogEntryType.Warning;
Ki DL]2 break;
G(~
s(r{%I case TraceLevel.Info:
<FfdOK_ LogEntryType = EventLogEntryType.Information;
d/fg break;
gh{Z=_ case TraceLevel.Verbose:
im6Rx=}E{ LogEntryType = EventLogEntryType.SuccessAudit;
E~y@ue: break;
XsVp7zk\ default:
l,pI~A`w_ LogEntryType = EventLogEntryType.SuccessAudit;
eiJ13`T break;
<^APq8> }
CQ`$' oy?W ,a&&y0, EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
xKl!{A9$w //写入事件日志
sfv{z!mo eventLog.WriteEntry(messageText, LogEntryType);
0"*!0s~
ve [*t ` }
NR*s7> catch {} //忽略任何异常
2th>+M~A }
/i${ [1 } //class ApplicationLog
9HjtWQn }
HX(Z(rcI &ZmHR^Flz 12.Panel 横向滚动,纵向自动扩展
l20fA-T
_I <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
HFr#Ql>g Vh WF(* 13.回车转换成Tab
yO7xAb <script language="javascript" for="document" event="onkeydown">
]%RX\~Q.4 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
a2{nrGD event.keyCode=9;
|)7dh B </script>
LZ97nvK Hkcr+BQ onkeydown="if(event.keyCode==13) event.keyCode=9"
?W#>9WQi "o=*f/M 14.DataGrid超级连接列
]Tb ?k+a DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
B_^ ~5_0: ww_gG5Fc$ 15.DataGrid行随鼠标变色
z2Pnni7Ys private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
L7_qs+ {
8op,;Z7Y if (e.Item.ItemType!=ListItemType.Header)
j"8 f,er {
&m>yY{be e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
VI}.MnCa e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
dKOW5\H' }
$6(,/}==0 }
PWwz<AI+ *@XJ7G[ 16.模板列
+x7b9sHJ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
`W3;LTPEb <ITEMTEMPLATE>
0X`sQNx <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
0={@GhjApL </ITEMTEMPLATE>
w4: </ASP:TEMPLATECOLUMN>
),G?f {`! /_N*6a~ <ASP:TEMPLATECOLUMN headertext="选中">
:V(+]< <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
@AXRKYQ{t <ITEMTEMPLATE>
/~,|zz <ASP:CHECKBOX id="chkExport" runat="server" />
A,tmy',d" </ITEMTEMPLATE>
(BB&ZUdyv <EDITITEMTEMPLATE>
~f.fg@v`+v <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Px!M^
T!Pi </EDITITEMTEMPLATE>
zyznFiE </ASP:TEMPLATECOLUMN>
$_j\b4]% )zFPf]gz 后台代码
Ur`jmB protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
l>KkK|!T^i {
(8[et m //改变列的选定,实现全选或全不选。
1eg/<4]hA CheckBox chkExport ;
$.a4Og2 if( CheckAll.Checked)
H`js1b1n {
]BY^.!Y foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
n9Mi?#xIp {
5 A/[x$q chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
GI&XL'K& chkExport.Checked = true;
B74L/h }
2D5S%27, }
S,K'y?6 else
X*Ibk-PUM {
FME&vUh/ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
cULASS`, {
QAp+LSm chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
EcBJ-j6d chkExport.Checked = false;
eYQq@lrWv }
9#:b+Amzz }
E%R^
kqqr }
^8,Y1r9`$ %i7bkdcwk 17.数字格式化
dQ4VpR9|; n*tT< 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
h0YIPB <%#Container.DataItem("price","{0:¥#,##0.00}")%>
ogcEv>0 byj}36LN62 int i=123456;
2>l
=oXq string s=i.ToString("###,###.00");
'#~$Od4&= CNC3">Dk~9 18.日期格式化
MYQZqlV fS08q9,S / 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Yx- 2ux pYtG%< 显示为: 2004-8-11 19:44:28
w"s;R8 ~9&