1. 打开新的窗口并传送参数:
97 eEqI$# 8urX]# 传送参数:
/|MHZ$Y9w? response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
LfsqtQ=J` mtd ,m 接收参数:
pEp`Z,p string a = Request.QueryString("id");
2*)2c[/0F string b = Request.QueryString("id1");
K~6,xZlDWM rU!QXg]uD 2.为按钮添加对话框
4#"_E:;PQ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
HY!R | button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
ky#5G-X K*id
1YY 3.删除表格选定记录
|^k&6QO5 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
(2uF<$7( string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
"kS!rJ[ s:ZYiZ- 4.删除表格记录警告
k3yA*Ec private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
=9yh<'583 {
T
j(MIFi|5 switch(e.Item.ItemType)
Z`]r)z%f {
ms%RNxU4: case ListItemType.Item :
hteAuz4H case ListItemType.AlternatingItem :
4}xw&x case ListItemType.EditItem:
2&o
jQhe TableCell myTableCell;
I 6-.;)McO myTableCell = e.Item.Cells[14];
0ub0[A LinkButton myDeleteButton ;
>K;DBy* myDeleteButton = (LinkButton)myTableCell.Controls[0];
=IH~:D\& myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
o|G[/o2 break;
XDQ5qfE| default:
c$P68$FB break;
A}3dx!?7j }
l' mdj!{& `p'682x I }
,7h0y "zZZ h 5.点击表格行链接另一页
bGtS! 'I private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
X 7R&>Pf {
z)Gd3C //点击表格打开
DmtCEKa if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
SE<?l e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
wG@f~$ }
Mj<T+Ohz 67b
w[#v 双击表格连接到另一页
Q5xQ5Le Ek6z[G`
O 在itemDataBind事件中
%5$)w;p.$' if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
9y+0Zj+. {
38E
%]*5F string OrderItemID =e.item.cells[1].Text;
;_p$5GVR| ...
w&[&ZDsK e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ISHzlEY }
fW=vN0Z c]%~X&Tg` 双击表格打开新一页
w<&R|= 93 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
K;Fs5|gFU {
lW|`8ykp string OrderItemID =e.item.cells[1].Text;
W+Q^u7K ...
SxI-pH' e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
kt2W7.A5 }
(Cb;=:3G \"pp-str ★特别注意:【?id=】 处不能为 【?id =】
/Os6i&; 6.表格超连接列传递参数
A9_}RJ9 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
!9t,#?! <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
WCD)yTg:ES z50P*
eS 7.表格点击改变颜色
#IR,KX3]A if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
)_olJCdaP^ {
^D8~s; ? e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
aqEmF this.style.color=’buttontext’;this.style.cursor=’default’;");
{/}%[cY= }
ey@ccc*sZ9 i_e%HG 写在DataGrid的_ItemDataBound里
Dv"HFQuF if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
oJ?,X^~_ {
< Dt/JA(p e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
BUS4 T#D this.style.color=’buttontext’;this.style.cursor=’default’;");
= glF6a e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
V}X>~ '% }
74r$)\q FrC)2wX ShesJj 8.关于日期格式
4<V}Aj8l |*$0~mA 日期格式设定
i__f%j`!W DataFormatString="{0:yyyy-MM-dd}"
,@kLH"a0 fE"-W{M 我觉得应该在itembound事件中
_#K?yP? e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
hVIv-> m6uFmU*<M} 9.获取错误信息并到指定页面
*#9?9SYSk UC_o; 不要使用Response.Redirect,而应该使用Server.Transfer
Ggry,3X3 k+BY 3a e.g
]P/i}R: // in global.asax
K7R!E,oPg protected void Application_Error(Object sender, EventArgs e) {
o3$dl`' if (Server.GetLastError() is HttpUnhandledException)
I0*N
"07n Server.Transfer("MyErrorPage.aspx");
X-*LA*xbN H'+3<t> //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
lVCnu>8 }
a<J<Oc! y$+=>p|d.^ Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
a+RUSz;DL 2HO2 10.清空Cookie
@ZRg9M:N Cookie.Expires=[DateTime];
DwGRv:&HH Response.Cookies("UserName").Expires = 0
vmg[/# K@%gvLa\ 11.自定义异常处理
1-$+@Xl //自定义异常处理类
2wu\.{6Zp using System;
2H1
[oD[ using System.Diagnostics;
_(-i46x} vi.INe namespace MyAppException
R^B8** N {
NxSSRv^rx /// <summary>
*zQhTYY /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Id1de>:; /// 自动将异常内容记录到Windows NT/2000的应用程序日志
orOq5?3 /// </summary>
EU
Z7?4o public class AppException:System.ApplicationException
z\"9T?zoo {
k
t'[ public AppException()
fZoQQ[s {
:k-@w5( if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
PhAD:A }
31\mF\{V Z;S)GUG^ public AppException(string message)
G5%k.IRz {
_0BQnzC= LogEvent(message);
2}XxRJ0
}
#"8'y \H&;.??W public AppException(string message,Exception innerException)
fR?'HsQg {
&c} 2[= LogEvent(message);
PjofW%7F if (innerException != null)
|qVM`,%L {
YC$>D?FW LogEvent(innerException.Message);
K4-_a{)/ }
0"Euf41 }
cc3/XBo 3-oKY*jO //日志记录类
[)?9|yY"` using System;
J:J/AgJuH using System.Configuration;
fda4M using System.Diagnostics;
<,Pl31g^ using System.IO;
l[i1,4 using System.Text;
[+8*}03 using System.Threading;
}t:*w cY Qm8TR< namespace MyEventLog
/E3~z0 {
'y5H%I! /// <summary>
2'@D0L /// 事件日志记录类,提供事件日志记录支持
'
9%iHx-< /// <remarks>
=J"c'Z>. /// 定义了4个日志记录方法 (error, warning, info, trace)
-p%cw0*Y]C /// </remarks>
JP(0/?Q /// </summary>
qQIX:HWDKZ public class ApplicationLog
sgnc$x" {
@^J>. g /// <summary>
nN^lY=3 /// 将错误信息记录到Win2000/NT事件日志中
unNN&m#@ /// <param name="message">需要记录的文本信息</param>
NB5lxaL /// </summary>
R T~oJ~t; public static void WriteError(String message)
<Ql2+ev6 {
24
.'+3 WriteLog(TraceLevel.Error, message);
GvvKM=1 }
cj^hwtx u{w,y.l1h /// <summary>
*K&
$9fah /// 将警告信息记录到Win2000/NT事件日志中
acgx')!c /// <param name="message">需要记录的文本信息</param>
dWu;F^ /// </summary>
Lxv6\3I+ public static void WriteWarning(String message)
6$kh5$[ {
q: X^V$` WriteLog(TraceLevel.Warning, message);
ef!f4u\ }
tv Zq):c lon9oraF' /// <summary>
U(Bmffn4Z /// 将提示信息记录到Win2000/NT事件日志中
2Q7X"ek~[ /// <param name="message">需要记录的文本信息</param>
a]Y9;( /// </summary>
:`lP+y?a1 public static void WriteInfo(String message)
}:u-l3e {
?G<?:/CU WriteLog(TraceLevel.Info, message);
|qwx3 hQ? }
f@$kK?c? /// <summary>
lauq(aD_C /// 将跟踪信息记录到Win2000/NT事件日志中
u#`51Hr$ /// <param name="message">需要记录的文本信息</param>
<>Ha<4A
=E /// </summary>
=(Y0wZP| public static void WriteTrace(String message)
jW4>WDN: {
^N7 C/" p WriteLog(TraceLevel.Verbose, message);
*=!r|UdB. }
2aX{r/Lc )=bW\=[8 /// <summary>
yhI;FNSf /// 格式化记录到事件日志的文本信息格式
]rNxvFN*j /// <param name="ex">需要格式化的异常对象</param>
lgD% /// <param name="catchInfo">异常信息标题字符串.</param>
g>#}(u!PH /// <retvalue>
|
+uc;[` /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
vP+qwvpGr /// </retvalue>
HV7f%U /// </summary>
G'';VoW= public static String FormatException(Exception ex, String catchInfo)
0P{8s {
FD~
UF;VQ StringBuilder strBuilder = new StringBuilder();
;g;1<?
[ if (catchInfo != String.Empty)
NxDVU?@p* {
3lEP:Jp strBuilder.Append(catchInfo).Append("\r\n");
aT+w6{%Z }
a, )/D_{1 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
ksJ 1:_ return strBuilder.ToString();
'i: lV' }
86!$<!I DO9K /// <summary>
f"NWv! /// 实际事件日志写入方法
SG1AYUs
V /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
g[uf
e< /// <param name="messageText">要记录的文本.</param>
O(9*VoD /// </summary>
gjFQDrz( private static void WriteLog(TraceLevel level, String messageText)
?<5KLvG v {
QAMcI:5 try
:XoR~syT {
d0f(U k EventLogEntryType LogEntryType;
L@_o*"&j switch (level)
GXNkl?# {
*~*"p)`< case TraceLevel.Error:
|5&7;;$ LogEntryType = EventLogEntryType.Error;
tfh`gUV4 break;
*UXa.kT@ case TraceLevel.Warning:
`s3:Vsv4 LogEntryType = EventLogEntryType.Warning;
,H<nNBv3M break;
9 g- 8u+& case TraceLevel.Info:
.u=|h3& LogEntryType = EventLogEntryType.Information;
g6S-vSX, break;
}RY Pr case TraceLevel.Verbose:
%`\Qtsape LogEntryType = EventLogEntryType.SuccessAudit;
#JY> break;
"3|OB, <;: default:
^#K^W V LogEntryType = EventLogEntryType.SuccessAudit;
skTtGz8R[ break;
yu>;m.e_ }
J!dv"Ww" A:(qF.Tm EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
QFoCi& //写入事件日志
tA'5ufj*: eventLog.WriteEntry(messageText, LogEntryType);
.I $+
E T&bB8tQk }
B[
D
s?: catch {} //忽略任何异常
Bn=YGEvz }
g[~J107%A } //class ApplicationLog
h0$ \JXk }
\OWxf[ x{GFCy7 12.Panel 横向滚动,纵向自动扩展
so| U&`G <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
<X5ge>. 0]$-}AYM 13.回车转换成Tab
%da-/[ <script language="javascript" for="document" event="onkeydown">
.|TF /b] if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
\%%M >4c event.keyCode=9;
;XlCd[J< </script>
Ex@}x#3 4cJ/XgX onkeydown="if(event.keyCode==13) event.keyCode=9"
*,*XOd:3TL |}/KueZ 14.DataGrid超级连接列
Qw|y%Td8r DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
RzFxO Jw^my4 15.DataGrid行随鼠标变色
)KkV<