1. 打开新的窗口并传送参数:
}:NE R2ue kpP 传送参数:
3N8RZt1.b response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
e
C\;n di^E8egR$ 接收参数:
`?Wy;5- string a = Request.QueryString("id");
!1+yb.{\ string b = Request.QueryString("id1");
KjK.Sv{N B&J;yla6`d 2.为按钮添加对话框
:G+8%pUX] Button1.Attributes.Add("onclick","return confirm(’确认?’)");
fJ
\bm button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
$]eU'!2) [T 8BQn! 3.删除表格选定记录
[ 0?*J<d int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
<=m@Sg{o string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Kh{C$b G&P[n8Z$ 4.删除表格记录警告
!`j}%!K! private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
KMFvi_8 {
RzPqtN switch(e.Item.ItemType)
";:"p6? {
u=epnz:< case ListItemType.Item :
n}NO"eF>-s case ListItemType.AlternatingItem :
SJ/($3GkBd case ListItemType.EditItem:
v;=F$3 TableCell myTableCell;
6y;R1z b myTableCell = e.Item.Cells[14];
83rtQ;L LinkButton myDeleteButton ;
"P4#Q_ myDeleteButton = (LinkButton)myTableCell.Controls[0];
+&t`"lRl& myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
u} y)'eH break;
~zEBJgeyh default:
|8xu*dVAp4 break;
@9yY`\"ed }
9 F"2$; XE/K|o^Hp }
?!PpooYK zT;F4_p3G- 5.点击表格行链接另一页
%bs6Uy5g)a private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
pDW4DF:`( {
`/WX!4eR, //点击表格打开
UZsn14xSA if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
E038p]M! e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
:Taequk }
6 w"-& %!_okf 双击表格连接到另一页
IhIPy~Hgt GwHp@_> 在itemDataBind事件中
:nk $?5ib if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
u19d!#g {
Mp8BilH-T string OrderItemID =e.item.cells[1].Text;
!'E{D`A9 ...
0taopDi;d e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
aTJs.y-I~ }
@qC](5|TQ ;xp^FKP 双击表格打开新一页
AOvn<Q if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
f@:.bp8VB8 {
-Xm/sq(i)% string OrderItemID =e.item.cells[1].Text;
N{6
-rR ...
$:v!*0/ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
e!+_U C }
HzdtR $kc*~V~ ★特别注意:【?id=】 处不能为 【?id =】
okl*pA) 6.表格超连接列传递参数
/eZ UAxq <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
b:OQ/ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
n2<#]2h +YS0yTWeX 7.表格点击改变颜色
Ebmd[A&& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(QARle(i {
e;IzK]kP e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
XMt5o&U1 this.style.color=’buttontext’;this.style.cursor=’default’;");
3+[R ! }
EfTuHg$pe [N$#&4{Je 写在DataGrid的_ItemDataBound里
=!@5! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
gO{XD.s {
>P@JiR<@\n e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
^o`;C\ this.style.color=’buttontext’;this.style.cursor=’default’;");
*b<
a@ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
.?C-J }
cjTV~(i'4A ,U-aZ ;cye
'E 8.关于日期格式
-UJ; =/ pA
,xDs@37 日期格式设定
VR/*h% DataFormatString="{0:yyyy-MM-dd}"
>^<%9{ &W'X3!Te 我觉得应该在itembound事件中
=Zg%& J e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
;ALkeUR[ F;I % 9-R 9.获取错误信息并到指定页面
Y|NL #F ukZ>_ke`+ 不要使用Response.Redirect,而应该使用Server.Transfer
G-vBJlt=t ]<9KX} B e.g
(T0%oina // in global.asax
bZf18lvij: protected void Application_Error(Object sender, EventArgs e) {
w=ZSyT-i if (Server.GetLastError() is HttpUnhandledException)
Q
db~I#}m' Server.Transfer("MyErrorPage.aspx");
GS!7HphR ;rD
M%S@ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
WyO7,Qr\ }
a{oG[e :Adx7!6 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
,};UD
W h3}gg@Fm 10.清空Cookie
U$-;^=; Cookie.Expires=[DateTime];
yA74Rxl*6 Response.Cookies("UserName").Expires = 0
D^R= G-54D_ 4 11.自定义异常处理
f{m,?[1C, //自定义异常处理类
x/Nh9hh" using System;
]HpKDb0+ using System.Diagnostics;
HAkEJgV C`p)S`d namespace MyAppException
BtPUUy. {
F4Jc7k2 /// <summary>
x4r=ENO)q /// 从系统异常类ApplicationException继承的应用程序异常处理类。
L<GF1I) /// 自动将异常内容记录到Windows NT/2000的应用程序日志
~E]ct F /// </summary>
@|N'V"*MT public class AppException:System.ApplicationException
R:Pw@ {
#Tr>[ZC public AppException()
M/O4JZEqh {
&p."`
C if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
r)9&'m .: }
1c$<z~
l6YToYzE2 public AppException(string message)
fV 6$YCf {
QA=G+1x LogEvent(message);
N2 vA/ }
FEd We\E m!Iax]D{ public AppException(string message,Exception innerException)
tA*hh"9 {
K GVAP LogEvent(message);
iyj,0T if (innerException != null)
?Re6oLm<B {
J ejDF*Q LogEvent(innerException.Message);
?u*gKI }
n$jOk
|W }
MS_@
Xe mKsTA; //日志记录类
F5*NK!U using System;
F"#8`Ps> using System.Configuration;
efK3{
using System.Diagnostics;
C(ay7 using System.IO;
Lq-Di|6q using System.Text;
a\UhOPFF using System.Threading;
)]\?Yyg] YY&3M namespace MyEventLog
3@d{C^\ {
0%K/gd#S< /// <summary>
c*5y8k /// 事件日志记录类,提供事件日志记录支持
~If{`zWoC /// <remarks>
u-31$z<<5} /// 定义了4个日志记录方法 (error, warning, info, trace)
e:h(, /// </remarks>
POnI&y] /// </summary>
jJX-S public class ApplicationLog
(c'=jJX {
h1y6`m9 /// <summary>
y .+d3 /// 将错误信息记录到Win2000/NT事件日志中
lzKJy /// <param name="message">需要记录的文本信息</param>
IjK /// </summary>
j-?zB.jAh public static void WriteError(String message)
%XpYiW#AK {
nE~HcxE/ WriteLog(TraceLevel.Error, message);
500qg({2] }
T:/68b*H\: FqvMi:F /// <summary>
_cWz9 ; /// 将警告信息记录到Win2000/NT事件日志中
+[=yLE#P% /// <param name="message">需要记录的文本信息</param>
yf KJpy /// </summary>
g^CAT1} public static void WriteWarning(String message)
S$=e %c {
!<ae~#]3P WriteLog(TraceLevel.Warning, message);
isdEs k#A. }
Z[(V0/[] 7 Q`'1oE? /// <summary>
CL~21aslI /// 将提示信息记录到Win2000/NT事件日志中
#4?(A[]>H /// <param name="message">需要记录的文本信息</param>
ndsu}:my /// </summary>
UUzu`>upB public static void WriteInfo(String message)
x vi&d1 {
C*S%aR WriteLog(TraceLevel.Info, message);
6{XdLI }
Ar+<n 2;[ /// <summary>
]>K02SVT: /// 将跟踪信息记录到Win2000/NT事件日志中
nA!Xb'y& /// <param name="message">需要记录的文本信息</param>
/(aKhUjhb /// </summary>
rm-6Az V public static void WriteTrace(String message)
5M.KF;P {
97$1na3gq WriteLog(TraceLevel.Verbose, message);
#WOb&h }
:6,qp?/ !'-|]xx( /// <summary>
!k=>Wb8n2 /// 格式化记录到事件日志的文本信息格式
$U uSrX& /// <param name="ex">需要格式化的异常对象</param>
Ik9 2='Z /// <param name="catchInfo">异常信息标题字符串.</param>
dIOj]5H3F /// <retvalue>
<2\4eusk /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
LPg1 G+e /// </retvalue>
@Ju!|G9z/p /// </summary>
m&'z|eN public static String FormatException(Exception ex, String catchInfo)
^'g1? F$_ {
QQd%V#M? StringBuilder strBuilder = new StringBuilder();
12NV if (catchInfo != String.Empty)
~)RKpRga\p {
4_#yl9+ strBuilder.Append(catchInfo).Append("\r\n");
" <GDOL }
+O@v|}9"w3 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
x8]9Xe:_>O return strBuilder.ToString();
P]Hcg|& }
STC'j1U 9Q!X~L|\S /// <summary>
,W'?F9Y\ /// 实际事件日志写入方法
gFsnL*L0 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
WsA(8Ck< /// <param name="messageText">要记录的文本.</param>
^:b%QO /// </summary>
}ph;~og}y private static void WriteLog(TraceLevel level, String messageText)
lS`hJ: {
:QSCky*i try
I+) Acy; {
E&?z-,-o@ EventLogEntryType LogEntryType;
s}~'o!}W switch (level)
wYf9&}k\4 {
l_GsQ0 case TraceLevel.Error:
Wcgy:4K3 LogEntryType = EventLogEntryType.Error;
([-xM%BI6 break;
Lv;R8^n case TraceLevel.Warning:
` "Gd/ LogEntryType = EventLogEntryType.Warning;
V9v80e {n4 break;
nDR)UR case TraceLevel.Info:
=w~phn LogEntryType = EventLogEntryType.Information;
SI:+I4i break;
{y{&tzZ case TraceLevel.Verbose:
HWr")%EhD LogEntryType = EventLogEntryType.SuccessAudit;
DhQYjC[ break;
#+1*g4m~B default:
LnN6{z{M LogEntryType = EventLogEntryType.SuccessAudit;
%hYol89F break;
MTKd:.J6 }
KcGM=z?:
+["t@Q4IQ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
VfJbexYT //写入事件日志
N XwQvm;q eventLog.WriteEntry(messageText, LogEntryType);
x5Sc+5?* x<
Td }
F5CV<-jB catch {} //忽略任何异常
lP@/x+6tg }
^#H%LLt } //class ApplicationLog
uT5sLpA|6 }
pGZI697 t~xp&LQiY 12.Panel 横向滚动,纵向自动扩展
[:HT=LX3 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Y.O/~ af zSYh\g" 13.回车转换成Tab
9(%ptnya <script language="javascript" for="document" event="onkeydown">
\O"EK~x}/ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
/4\!zPPj. event.keyCode=9;
7Y:~'&U| </script>
oGzZ.K3 A H3=U|wr| onkeydown="if(event.keyCode==13) event.keyCode=9"
S`LS/) bDLPA27 14.DataGrid超级连接列
}gE?ms4$ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
G22=8V r^uo7?gZ^ 15.DataGrid行随鼠标变色
_,hhO private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
WcyN,5 {
^cYm.EHI if (e.Item.ItemType!=ListItemType.Header)
~E2xIhV {
giy4< e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
1D
/{Y e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
+U(m b }
O
-a`A. }
Kt,ENbF *@'\4OO 16.模板列
MQR@(>TZy <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
\Rc7$bS2H <ITEMTEMPLATE>
R3]Ra&h6N) <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
LoHL}1BG- </ITEMTEMPLATE>
:/H fMJ </ASP:TEMPLATECOLUMN>
kan?2x $u"t/_% <ASP:TEMPLATECOLUMN headertext="选中">
=sG9]a<I <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
]M|Iy~
X <ITEMTEMPLATE>
Q3SwW <ASP:CHECKBOX id="chkExport" runat="server" />
q]%c
6{w </ITEMTEMPLATE>
qMAH~P0u <EDITITEMTEMPLATE>
.P[
%t=W <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
?]S!-6: </EDITITEMTEMPLATE>
pKrol]cth8 </ASP:TEMPLATECOLUMN>
O!!Ne'I sjLI^#a 后台代码
Vi~9[&.E\! protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
em@\S {
kc d~`+C //改变列的选定,实现全选或全不选。
pZRKM<k CheckBox chkExport ;
$ctY#:;pV{ if( CheckAll.Checked)
;J3az` {
IrU}%ZVV foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
x\vb@!BZ {
LPgP;%ohO/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Lh~Ym<CeN chkExport.Checked = true;
~
#Gu: }
xF*C0B;QL }
$=8?@My< else
?`Oh]2n)6 {
jI$}\*g foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*
%p6+D-C {
CVsc#=w0 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
@P: chkExport.Checked = false;
W{\){fr6O }
cGw* edgp6 }
pU`4bT(w% }
yQ>
*F O>^0} 17.数字格式化
pb~&gliW c43"o 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
L3M]06y <%#Container.DataItem("price","{0:¥#,##0.00}")%>
pPcn
F`A
<!h&h