1. 打开新的窗口并传送参数:
AY[7yPP /n@_Ihx 传送参数:
;Zw! response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
!yojZG MB tE(x8>5A: 接收参数:
E 7;KG^ string a = Request.QueryString("id");
:}+U?8/"7 string b = Request.QueryString("id1");
IR5 S-vO $ daI++v`
2.为按钮添加对话框
KD-0NO=oL Button1.Attributes.Add("onclick","return confirm(’确认?’)");
AJCWp4, button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
X
H{5E4P ,y:q]PR 3.删除表格选定记录
}b)?o@9}: int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Pkc4=i,`A string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
|os2@G$ xotq$r 4.删除表格记录警告
M}(4>W private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
QTcngv[ {
R?Iv<(I switch(e.Item.ItemType)
$v-lG( {
&fiDmUxj case ListItemType.Item :
4y>G6TD^ case ListItemType.AlternatingItem :
'9$xOrv case ListItemType.EditItem:
wUh'1D<(r TableCell myTableCell;
|Ro\2uSr myTableCell = e.Item.Cells[14];
ZS^EKz~ + LinkButton myDeleteButton ;
je_77G(F myDeleteButton = (LinkButton)myTableCell.Controls[0];
nUd(@@%m myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
l*B;/
>nR break;
'G@Npp)&^ default:
h,TDNR<1L break;
m4>v S }
+&(sZFW5o b[e+(X }
JeWW~y`e?{ d!Y,i!l! 5.点击表格行链接另一页
C\$7C5/ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
IB(IiF5 {
AGLzA+6M //点击表格打开
NawnC!~ $ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^R>&^"oI e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
e] **Z,Z }
nzhQ\'TC rf1-E5 7# 双击表格连接到另一页
i]8zZRe yK{ ;72 在itemDataBind事件中
p1J%= if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>'Y] C\ {
#<yR:3 string OrderItemID =e.item.cells[1].Text;
mfeyR
...
i+21t G$ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
*AZC{jP }
:S~XE vlEd=H,LT 双击表格打开新一页
Vu~mi%UH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
AL
H^tV? {
{ F.Ihw string OrderItemID =e.item.cells[1].Text;
.'__ [|-{; ...
\W/cC' e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
>jN)9}3>-# }
Vwm\a]s
)JeiTh^ ★特别注意:【?id=】 处不能为 【?id =】
M;\K+, 6.表格超连接列传递参数
s )~Q@ze2 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
_F,@mQ$! <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
7F)HAbIS h %MPppCEa 7.表格点击改变颜色
l~ F,i n. if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0fi+tc30 {
L|!9%X0. e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
ZiVT c/b this.style.color=’buttontext’;this.style.cursor=’default’;");
,^AkfOY7" }
(Q#A Br8 CFRo>G 写在DataGrid的_ItemDataBound里
z~z.J] if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
DC[-<:B {
;9B:E"K?@1 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
PS(LD4mD this.style.color=’buttontext’;this.style.cursor=’default’;");
xU67ztS'E' e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
@-!w,$F)%d }
hb`bQ A6TNtXk 96MRnj*Y[ 8.关于日期格式
BE%#4c.b HbZ3QW P 日期格式设定
(doFYF~w DataFormatString="{0:yyyy-MM-dd}"
G>*s+ ywi
Shvi8 我觉得应该在itembound事件中
6`X#<#_& e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
ugUV`5w
TyGXDU 9.获取错误信息并到指定页面
i>b^n+74>
k"GW3E; 不要使用Response.Redirect,而应该使用Server.Transfer
/F/`?=1<$ i&"I/!3Q@ e.g
3YA !2 // in global.asax
urXM}^ protected void Application_Error(Object sender, EventArgs e) {
?\ho9nyK if (Server.GetLastError() is HttpUnhandledException)
|W\CV0L2 Server.Transfer("MyErrorPage.aspx");
- Npl x LLaoND6 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
o*5|W9 }
ZFz>" vt@ Bv3?WW 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
NpH)K:$#% . +.Y`0 10.清空Cookie
N:"E%:wSbi Cookie.Expires=[DateTime];
qC`"<R=GX Response.Cookies("UserName").Expires = 0
78 }iNGf 7<-D_$SrU 11.自定义异常处理
b$.N8W% //自定义异常处理类
RFQa9Rxk using System;
.`xcR]PQ using System.Diagnostics;
>q[Elz=dI u8-)LOf( namespace MyAppException
vV"TTzs! {
`|v0@-'$ /// <summary>
}IEYH&4! /// 从系统异常类ApplicationException继承的应用程序异常处理类。
{_ewc/~ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
) ,*&rd! /// </summary>
eT:%i"C public class AppException:System.ApplicationException
Gh42qar` {
1c?,= ;> public AppException()
cZ^$!0 {
+w GE if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
!Y`nKC(=z }
36&7J{MU @: %}clZ public AppException(string message)
kTs)u\r. {
:~U1JAs$ LogEvent(message);
!=k\Rr@qx }
F;`of qXP)R/~OZ public AppException(string message,Exception innerException)
&k : | {
X o{Ce%L LogEvent(message);
q'q'v
S if (innerException != null)
%Ljc#AVg {
CF =#?+x LogEvent(innerException.Message);
*!lq1h }
<NT /+>:2 }
_xUiHX< >N+e c_D^ //日志记录类
Y5PIR9 - using System;
.eq-i> using System.Configuration;
!=q {1\# using System.Diagnostics;
%o+bO}/9 using System.IO;
2ORWdR.b using System.Text;
oBKZ$&_h using System.Threading;
49HtI9@ $0iz;!w namespace MyEventLog
K& 2p<\2 {
LNk
3=v2M /// <summary>
1pO ;aG1O /// 事件日志记录类,提供事件日志记录支持
q:1 1XPP /// <remarks>
;?h#',(p /// 定义了4个日志记录方法 (error, warning, info, trace)
U{eC^yjt"o /// </remarks>
bKG:_mWe w /// </summary>
fgTvwOSk public class ApplicationLog
|w /txn8G| {
_.Uz!2 /// <summary>
n1buE1r? /// 将错误信息记录到Win2000/NT事件日志中
R/<
/g= /// <param name="message">需要记录的文本信息</param>
=eTI@pN` /// </summary>
+`.%aJIi9 public static void WriteError(String message)
k=nfo-h {
`C_#EU- WriteLog(TraceLevel.Error, message);
98o;_tU' }
{&w%3 }wj*^>* /// <summary>
)k29mqa` /// 将警告信息记录到Win2000/NT事件日志中
#; }IHAR /// <param name="message">需要记录的文本信息</param>
V/>SjUNq /// </summary>
v`x~O+ public static void WriteWarning(String message)
^D oJ='& {
BFj@Z'7P WriteLog(TraceLevel.Warning, message);
Yg2z=&p-{" }
pN4!*7M "%A[%7LY /// <summary>
Z2*hQ`eE /// 将提示信息记录到Win2000/NT事件日志中
"eh"'Z /// <param name="message">需要记录的文本信息</param>
\+L_'*&8 /// </summary>
J,m.LpY public static void WriteInfo(String message)
/x-Ja[kL {
:Q$3P+6 a WriteLog(TraceLevel.Info, message);
f_.1)O'83 }
gtjgC0 /// <summary>
fa5($jJ& /// 将跟踪信息记录到Win2000/NT事件日志中
hO{@!H$l /// <param name="message">需要记录的文本信息</param>
)@SIFE /// </summary>
jCKRoao public static void WriteTrace(String message)
JJ qX2B {
V!"^6) WriteLog(TraceLevel.Verbose, message);
Ra~n:$tg2 }
]2b" oHg kFD- /// <summary>
SL@Vk( /// 格式化记录到事件日志的文本信息格式
fVR ~PG0 /// <param name="ex">需要格式化的异常对象</param>
zL)S, /// <param name="catchInfo">异常信息标题字符串.</param>
6@bGh|
/// <retvalue>
+u25>pX /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
n (cSfT /// </retvalue>
\2eYw.I= /// </summary>
}})4S;j public static String FormatException(Exception ex, String catchInfo)
<| Z0|sel {
_eO+O=j_x StringBuilder strBuilder = new StringBuilder();
;J?^M!l2= if (catchInfo != String.Empty)
4_r8ynq{z {
d5^ipu strBuilder.Append(catchInfo).Append("\r\n");
=7Tbu'O; }
HT1bsY
0t strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
U@Aq@d+n return strBuilder.ToString();
+zL=UEBN }
X<-]./ u!L8Sv /// <summary>
PO)5L /// 实际事件日志写入方法
`yuD/-j /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
DB?_E{y] /// <param name="messageText">要记录的文本.</param>
<JZ=K5 /// </summary>
L=HL1Qe$G] private static void WriteLog(TraceLevel level, String messageText)
C .YtjLQP$ {
rw+0<r3|K try
nR"k%$ {
/0SPRf}p EventLogEntryType LogEntryType;
|U7{!yy%MF switch (level)
3P-#NL {
&Lq @af# case TraceLevel.Error:
O]{H2&k@ LogEntryType = EventLogEntryType.Error;
BLMcvK\9 break;
BKvF,f/g case TraceLevel.Warning:
wJ IJPYTK LogEntryType = EventLogEntryType.Warning;
s/ZOA[Yux break;
%R&3v%$y* case TraceLevel.Info:
ZMx_J LogEntryType = EventLogEntryType.Information;
UK&E#i break;
/!AdX0dx case TraceLevel.Verbose:
b[RBp0]x LogEntryType = EventLogEntryType.SuccessAudit;
ch :428 break;
%@pTEhpF default:
JmN;v|wF:c LogEntryType = EventLogEntryType.SuccessAudit;
eTrGFe!8w break;
J>Zd75;U }
y)(SS8JR A 9tQb: EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
\N"K^kR4 //写入事件日志
rZpc"<U eventLog.WriteEntry(messageText, LogEntryType);
YrZAy5\ cMK6 }
o5Qlp5`:u catch {} //忽略任何异常
U35}0NT _ }
wu
3uu1J } //class ApplicationLog
Eda
sGCo }
Saz+GQ G #3/l4`/j 12.Panel 横向滚动,纵向自动扩展
_f34p:B%s <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
!+fHdB >u4uV8S 13.回车转换成Tab
`L9o!OsQ <script language="javascript" for="document" event="onkeydown">
2ix_,yTO if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Yq5}r?N event.keyCode=9;
|c > </script>
&BE[=& | s|{K?s onkeydown="if(event.keyCode==13) event.keyCode=9"
Bwll
[=_I uVisU%p 14.DataGrid超级连接列
%FyB\IQ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
4]
DmgOru% p1Lx\ 15.DataGrid行随鼠标变色
EQ=Enw1[ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\=5CNe {
F7"Ihb^l if (e.Item.ItemType!=ListItemType.Header)
Gl1`Nx0 {
J`"1DlH e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
fDbs3"H Q e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
m+uh6IqN./ }
F ^E(AE }
u)Y#&q