1. 打开新的窗口并传送参数:
#^aa&*<D_ b9T6JS j 传送参数:
H)&iFq response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
_):@C:6 GCw4sb4~w 接收参数:
`YZl2c<w* string a = Request.QueryString("id");
{<}Hut:a string b = Request.QueryString("id1");
\WdSj c`S+>: 2.为按钮添加对话框
v,~fG>Y} Button1.Attributes.Add("onclick","return confirm(’确认?’)");
+`mI\+y, button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
<rui\/4NJ :w|=o9J 3.删除表格选定记录
G^VOA4 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
bF,.6iKI string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
't*]6^ ?-9uf\2_ 4.删除表格记录警告
ku}`PS0UGd private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
o>yXEg {
MwQt/Qv= switch(e.Item.ItemType)
fiU#\%uJg {
# SJJ@SM case ListItemType.Item :
_"t>72
`
case ListItemType.AlternatingItem :
cCx{
") case ListItemType.EditItem:
,-(D(J;}1 TableCell myTableCell;
A yn$, myTableCell = e.Item.Cells[14];
TOa6sB!H LinkButton myDeleteButton ;
{=gJGP/}_ myDeleteButton = (LinkButton)myTableCell.Controls[0];
./'d^9{ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
@;hdZLG]`& break;
`*kl> }$ default:
H=Cj/jE break;
N6+^}2'*) }
'<ZHzDW@ kou7_4oS }
8s[1-l -lv(@7o~ 5.点击表格行链接另一页
$XkO\6kh private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
gyh8 {
V=1zk-XC //点击表格打开
x`I Wo:j if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5~2_wWjX e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
g$hEVT }
mtE+}b@(!& yFd942 双击表格连接到另一页
Ar?ZU ASJ _T8S4s8q 在itemDataBind事件中
Wy-y-wi:p if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
MI:%Eq {
d`5AQfL& string OrderItemID =e.item.cells[1].Text;
~MYE8xrId ...
9~a 5R]x2
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
P-8QXDdr }
&u6n5-!v =i;T?*@ 双击表格打开新一页
OpIeo+^X* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
/P]N40_@ {
CM[83> string OrderItemID =e.item.cells[1].Text;
4"!kCUB ...
vfm Y>nr e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
C"s-ttP
}
2:nI4S w5/6+@} ★特别注意:【?id=】 处不能为 【?id =】
[>3dhj[; 6.表格超连接列传递参数
b9-3 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Y}Y~?kE>M| <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
L?&&4%% zh\"sxL 7.表格点击改变颜色
9v3n4=gc if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
7kT X {
tuuwoiQ*` e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Hfo<EB2Y9N this.style.color=’buttontext’;this.style.cursor=’default’;");
`f~$h?}3-@ }
Lz:FR* YH^@8
写在DataGrid的_ItemDataBound里
EQ :>]O if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
dIhfp7| {
+bJ~S:[ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Odh r=Hs this.style.color=’buttontext’;this.style.cursor=’default’;");
(FgX9SV]p9 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
MpJ<. |h }
q6>} UK,sMKbl1 XAtRA1. 8.关于日期格式
'^[+] w8J8III\~ 日期格式设定
IJDbm}:/e DataFormatString="{0:yyyy-MM-dd}"
+KNd%AJ Wyeb1 我觉得应该在itembound事件中
qZ@d:u e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
mieyL9*n7 hJir_= 9.获取错误信息并到指定页面
ssoE ,6kS gm!sLZ!X 不要使用Response.Redirect,而应该使用Server.Transfer
8.I3%u BD86t[${W e.g
asLrXGGyT // in global.asax
`P*BW,P'T protected void Application_Error(Object sender, EventArgs e) {
|90X_6( if (Server.GetLastError() is HttpUnhandledException)
bz~aj}"` Server.Transfer("MyErrorPage.aspx");
[/ertB y}|E) //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
IXm[c@5l }
$%
gz ,{ Sl<1Rme=w Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
AP1ZIc6 }#g+~9UK 10.清空Cookie
X-TGrdoX Cookie.Expires=[DateTime];
h%4UeL &F Response.Cookies("UserName").Expires = 0
;#0$iE Y>
}\'$\b 11.自定义异常处理
EIyFGCw|U //自定义异常处理类
7-~)/7L using System;
~%f$}{ using System.Diagnostics;
k#8`996P bw7g L\* namespace MyAppException
u7Ix7`V {
3?L[ohKH?: /// <summary>
r
)_*MPY /// 从系统异常类ApplicationException继承的应用程序异常处理类。
{d0-. /// 自动将异常内容记录到Windows NT/2000的应用程序日志
7y)Ar 8!D /// </summary>
Fpeokr"i public class AppException:System.ApplicationException
de.f?y {
rX>b R/ public AppException()
I|<]>D -8 {
&rPAW V'v if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
H=g%>W%3 }
`<|<1, |>m'szca4 public AppException(string message)
:eJJL,v {
[/VpvQ' LogEvent(message);
eO*s,* }
RO%M9LISI |_-w{2K public AppException(string message,Exception innerException)
o90g;Vog {
Fav++ z LogEvent(message);
M5t.l ( if (innerException != null)
S $o1Q {
B'`25u_e< LogEvent(innerException.Message);
M V!d*\ }
;FF+uK }
dga4|7-MY BGwD{6`U //日志记录类
kN8B, using System;
?TK`s Gy using System.Configuration;
X!'C'3 X using System.Diagnostics;
{&B_b|g*fW using System.IO;
)|k#cT{=M using System.Text;
op9vz[o#4 using System.Threading;
OJJ [Er1 H{S+^'5Y. namespace MyEventLog
kS9;Tj cx {
Fu5Y<*x /// <summary>
.P")S| /// 事件日志记录类,提供事件日志记录支持
mU?~s7 /// <remarks>
4 dLnX3 v /// 定义了4个日志记录方法 (error, warning, info, trace)
37Q8Yf_ /// </remarks>
llWY7u" /// </summary>
K9p<PLy+ public class ApplicationLog
-zqpjxU: {
\0_jmX]p /// <summary>
;Oqf{em]; /// 将错误信息记录到Win2000/NT事件日志中
']+!i a /// <param name="message">需要记录的文本信息</param>
J[hmY= , /// </summary>
>P\eHR,{- public static void WriteError(String message)
}Bsh!3D<. {
lBs-u h WriteLog(TraceLevel.Error, message);
ABkDOG2br }
x|dP-E41\ qBh@^GxY), /// <summary>
oSkQ/5hg. /// 将警告信息记录到Win2000/NT事件日志中
bR~(Ry` /// <param name="message">需要记录的文本信息</param>
_;Xlw{FN^ /// </summary>
)z18:C3 public static void WriteWarning(String message)
u~Po5W/i {
gW--[ WriteLog(TraceLevel.Warning, message);
>wt.)c?5 }
kD%MFT4 y %61xA`# /// <summary>
bu_@A^ys /// 将提示信息记录到Win2000/NT事件日志中
^"54Q^SH /// <param name="message">需要记录的文本信息</param>
|uw48*t /// </summary>
Fw{@RQf8 public static void WriteInfo(String message)
.35~+aqC {
xE^G*<mj: WriteLog(TraceLevel.Info, message);
vc p{Gf|^ }
*i:8g( /// <summary>
ytjZ7J['{ /// 将跟踪信息记录到Win2000/NT事件日志中
[MwL=9;!H /// <param name="message">需要记录的文本信息</param>
RLF6Bc /// </summary>
KB :JVK^ < public static void WriteTrace(String message)
:(m, 06K {
]y=U"g WriteLog(TraceLevel.Verbose, message);
?Fny_{&^H }
ort*Ux)
V;"2=)X /// <summary>
KW[y+c u.# /// 格式化记录到事件日志的文本信息格式
ecJjE
56P /// <param name="ex">需要格式化的异常对象</param>
<PuY"-`/Oc /// <param name="catchInfo">异常信息标题字符串.</param>
U]vUa^nG /// <retvalue>
A46q`l9B /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
FK~wr;[ /// </retvalue>
R.HvqO /// </summary>
qCfEv4 public static String FormatException(Exception ex, String catchInfo)
ht ]n* {
Q[K$f %> StringBuilder strBuilder = new StringBuilder();
1+N'cB!y if (catchInfo != String.Empty)
i7r)9^y {
@-\=`#C** strBuilder.Append(catchInfo).Append("\r\n");
xZ;eV76 }
<Z 3C&BM strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
~K3Lbd|
r return strBuilder.ToString();
/}>8|#U3y }
wzd(=*N 2)|=+DN; /// <summary>
GQY"
+xa8] /// 实际事件日志写入方法
jLI1Ed /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
y] D\i5Xv /// <param name="messageText">要记录的文本.</param>
&&P9T/Zks /// </summary>
uj.$GAtO) private static void WriteLog(TraceLevel level, String messageText)
$p0D9mF {
r/a@ x9 try
gL&w:_ {
Tc||96%2^ EventLogEntryType LogEntryType;
vnQFq switch (level)
.[]S!@+% {
P[q>;Fx* case TraceLevel.Error:
%#v$d LogEntryType = EventLogEntryType.Error;
6wwbH}*=? break;
NcF>}f,}\ case TraceLevel.Warning:
$3>Rw/, LogEntryType = EventLogEntryType.Warning;
%po;ih$jr* break;
^[HUtq case TraceLevel.Info:
Y 'X!T8 LogEntryType = EventLogEntryType.Information;
"i/GzD7 `n break;
hDW_a y4 case TraceLevel.Verbose:
$#s5y~z LogEntryType = EventLogEntryType.SuccessAudit;
sGtxqnX:J break;
?;`GCE default:
JcmMbd&B LogEntryType = EventLogEntryType.SuccessAudit;
v@[3R7|4 break;
\ 9V_[xD+ }
m]MR\E5]By 5Wa)_@qI)` EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
*f;$5B#^ //写入事件日志
G`0{31us eventLog.WriteEntry(messageText, LogEntryType);
rCA!b"C2 UsU
Ri }
9(S=0< catch {} //忽略任何异常
';Nc;9 }
H@wjZ;R } //class ApplicationLog
yy8BkG( }
K\xM%O? r^C(|Vx 12.Panel 横向滚动,纵向自动扩展
e\[q3J <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
b' M"To@ 2INpo 13.回车转换成Tab
,pTZ/#vP# <script language="javascript" for="document" event="onkeydown">
9ETdO,L)f if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
X{Vs event.keyCode=9;
9H4"=!AAgD </script>
i>h3UIx\ O*?^a7Z)4 onkeydown="if(event.keyCode==13) event.keyCode=9"
5ILKYUg, R,PN?aj 14.DataGrid超级连接列
sgK =eBE DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
w2'z~\dG8 Z'k?lkB2i 15.DataGrid行随鼠标变色
2'M5+[8y8 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
c)^A|{,G {
AhOBbss]q if (e.Item.ItemType!=ListItemType.Header)
v}t{*P {
4+d(d e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
@aUNyyVP e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
F1$XUos9 }
k}<H }
l}^ziY! =#9#unvE! 16.模板列
qG
20 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
}#e=*8F7 <ITEMTEMPLATE>
_^b\#Jz4U3 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
]O:8o<0 </ITEMTEMPLATE>
z-We>KX </ASP:TEMPLATECOLUMN>
"OI$PLK cW0\f5[/ <ASP:TEMPLATECOLUMN headertext="选中">
|iBf6smF <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
CT|0KB& <ITEMTEMPLATE>
UQh.o <ASP:CHECKBOX id="chkExport" runat="server" />
8h|} Q _ </ITEMTEMPLATE>
sRcd{)|Cq <EDITITEMTEMPLATE>
EmUn&p%hI <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
[&&#~gz </EDITITEMTEMPLATE>
}15&<s </ASP:TEMPLATECOLUMN>
~$4(|Fq/ UYZC% $5x 后台代码
UIf#Gy|l protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
(NR( )2 {
`&fW<5- //改变列的选定,实现全选或全不选。
=d5;F`m CheckBox chkExport ;
>T[Y>] if( CheckAll.Checked)
!F}GSDDV* {
?F[_5ls|] foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
JLWm9c+UTG {
zJ8T.+qJ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
dT 7fyn chkExport.Checked = true;
Wkk(6gS, }
3)=ix. wW }
|-/@3gPO else
L6nsVL& {
F^Jz
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
k^K76m B {
{*hFG:u chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
7)#JrpTj% chkExport.Checked = false;
#| gh }
_8 K|2$X }
}eZ\~2 }
Jg'#IM sxF2ku4A 17.数字格式化
~e[qh+ 8b7I\J` 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
qrw*?6mSQ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
=eW4?9Uq *zweZG8: int i=123456;
K-Pcew^? string s=i.ToString("###,###.00");
1qn/*9W}= X.#9[3U+ 18.日期格式化
FPK=Tr:b VK*H1EH1 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
.tfal9 rf+}J_ 显示为: 2004-8-11 19:44:28
&