1. 打开新的窗口并传送参数:
sRZ<c xRgdU+,Mj 传送参数:
I<sUB4T>#W response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
lb}RPvQE j!!s>7IZ 接收参数:
IAGY-+8e string a = Request.QueryString("id");
mF~]P8 string b = Request.QueryString("id1");
]NBx5m+y@i S'qT+pP 2.为按钮添加对话框
>g>r_0. Button1.Attributes.Add("onclick","return confirm(’确认?’)");
/ [49iIzC button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
'dh{q`#0 Ns1n|^9 3.删除表格选定记录
J^7M0A4K int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
~!2fUewEu string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
1hCU"|VH: 0iZeU:FE 4.删除表格记录警告
R_g(6l"3R^ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
UP)<(3YA {
ebJTrh <{ switch(e.Item.ItemType)
:x[()J~N {
Ri`6X_xU case ListItemType.Item :
&dWGa+e case ListItemType.AlternatingItem :
ttJ'6lGXh case ListItemType.EditItem:
hx;kNcPbI TableCell myTableCell;
XC~"T6F myTableCell = e.Item.Cells[14];
gl`J( LinkButton myDeleteButton ;
o$;&q
* myDeleteButton = (LinkButton)myTableCell.Controls[0];
kiN,N]-V myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Spx%`O< break;
j7Y7&x" default:
v!ai_d^ break;
S .x>w/ }
%JiF269 ?)(/SZC0 }
]o"E4Vht )V>OND 5.点击表格行链接另一页
|hi,]D^Kc private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Kf[.@_TD<1 {
q'+ARW48 //点击表格打开
6pS}\aD if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sCY e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
7bO>[RQB }
+FadOx7X$ yv]|Ce@8A 双击表格连接到另一页
)h 6 w@TF ?.F^Oi6
u 在itemDataBind事件中
f&^"[S"\f if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Rzsu 7w {
C@:X9NU string OrderItemID =e.item.cells[1].Text;
|y0k}ed ...
t CO?<QBE e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
1Dhe!
n# }
VK*`&D<P 'a JE+ 双击表格打开新一页
c;"e&tW if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\MmOI<Hd- {
eHs38X string OrderItemID =e.item.cells[1].Text;
T{^mh(3/" ...
R+K|K2" e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
S&IW]ffK }
_oG%bNM nIlTzrf6 ★特别注意:【?id=】 处不能为 【?id =】
l1<=3+d 6.表格超连接列传递参数
_6h.<BR
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Hik=(pTu> <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
]R}(CaT1 yl@Nyu 7.表格点击改变颜色
S _U |w9q if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
BxV>s+o&] {
u
ynudO e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
n CX{tqy this.style.color=’buttontext’;this.style.cursor=’default’;");
eXnSH$uI }
..nVViZ wy:Gy9\ 写在DataGrid的_ItemDataBound里
(2Lmu[ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3o>JJJ=] {
wL:7G e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
g|3bM this.style.color=’buttontext’;this.style.cursor=’default’;");
']\SX*z? e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
DMDtry?1: }
g)$KN,gGuO -?1R l:rM .s4v*bng 8.关于日期格式
F Xr\ T!9AEG 日期格式设定
B?^~1Ua9Zv DataFormatString="{0:yyyy-MM-dd}"
J;wBS w%1 Q=DMfJ" 我觉得应该在itembound事件中
6m]?*k1HC e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
z(%tu #7'k'( 9.获取错误信息并到指定页面
y O@1# m6K7D([f 不要使用Response.Redirect,而应该使用Server.Transfer
8`)* ?Q9~ 0n2H7}Uq e.g
Gukvd6-g9b // in global.asax
hPz=Ec<zW protected void Application_Error(Object sender, EventArgs e) {
xgkCN$zQ` if (Server.GetLastError() is HttpUnhandledException)
y*sVimx Server.Transfer("MyErrorPage.aspx");
pnp8`\cIH M"p%CbcI] //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Pke8RLg2A }
oO3^9?Z svxjad@l/
Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
ge?0>UU;~ }|;j2'(R 10.清空Cookie
I9xu3izAmR Cookie.Expires=[DateTime];
(b[=~Nh' Response.Cookies("UserName").Expires = 0
-
(((y)! k1yqerA 11.自定义异常处理
IOC$jab@ //自定义异常处理类
.L%pWRxA[ using System;
,38M6yD using System.Diagnostics;
QbSLSMoL YG=:lf namespace MyAppException
ZWS:-]P. {
hPG@iX|V /// <summary>
)l
m7ly8a| /// 从系统异常类ApplicationException继承的应用程序异常处理类。
t$VRNZ`dy /// 自动将异常内容记录到Windows NT/2000的应用程序日志
q&?hwX
Z7 /// </summary>
b~ *iL!< public class AppException:System.ApplicationException
$ `\qY ^.( {
:a2[d1 public AppException()
G~u$BV' {
nr&| if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
wexX|B^u }
~}ifwm'7 a >)*d/ ^ public AppException(string message)
>+;}"J {
^:ny LogEvent(message);
`~lG5| }
]:2Ro:4Yv D'ZUbAh! public AppException(string message,Exception innerException)
ZRw^<
+ {
kRwY# LogEvent(message);
bk=;=K if (innerException != null)
<1lB[:@%U {
37?X@@Z= LogEvent(innerException.Message);
>f^kp8`3{Y }
)Kl@dj }
.L1[Rv3 KI*bW e //日志记录类
seAEv0YWz using System;
<Pe'&u using System.Configuration;
#"TYk@whWf using System.Diagnostics;
jZmL7
V using System.IO;
e&ZH 1^O using System.Text;
n.NWS/v_{ using System.Threading;
r7}KV| M GJE+sqMX1 namespace MyEventLog
e8:O2!HW {
@44*<!da /// <summary>
jG& 8`*|* /// 事件日志记录类,提供事件日志记录支持
P<[)
qq@; /// <remarks>
@~7au9.V=X /// 定义了4个日志记录方法 (error, warning, info, trace)
=2rdbq6R /// </remarks>
@Ss W /// </summary>
v;?W|kJ.u public class ApplicationLog
$Fc}K+ {
pON#r /// <summary>
-%>Tjo@Bn /// 将错误信息记录到Win2000/NT事件日志中
qSD`S1'2; /// <param name="message">需要记录的文本信息</param>
? ][/hL@[ /// </summary>
_*sd# public static void WriteError(String message)
n[i:$! , {
[GK##z'5 WriteLog(TraceLevel.Error, message);
,d.5K*?aI }
W:w SM* k+i0@G'C( /// <summary>
m8b-\^eP7 /// 将警告信息记录到Win2000/NT事件日志中
&jg>X+; /// <param name="message">需要记录的文本信息</param>
n++ak\ /// </summary>
d0%Wz5Np public static void WriteWarning(String message)
4~oRcO8!Y {
=1!.g"0 WriteLog(TraceLevel.Warning, message);
wM;=^br }
gwB0/$!4" /&@q*L /// <summary>
y9@j-m& /// 将提示信息记录到Win2000/NT事件日志中
5=9Eb /// <param name="message">需要记录的文本信息</param>
>OjK0jiPf /// </summary>
]JmE(Y1(1 public static void WriteInfo(String message)
I`g&> {
`)w=@9B)" WriteLog(TraceLevel.Info, message);
G'wW-| }
AhjCRYk+ /// <summary>
g.8^ )u /// 将跟踪信息记录到Win2000/NT事件日志中
=)iAU/*N /// <param name="message">需要记录的文本信息</param>
*YQXxIIq /// </summary>
Y37qjV public static void WriteTrace(String message)
%g>k0~TRf# {
vs$.i WriteLog(TraceLevel.Verbose, message);
UF89gG4 }
`8\"3S tv`c"Pb /// <summary>
z([HGq5 /// 格式化记录到事件日志的文本信息格式
,*x/L?.Z! /// <param name="ex">需要格式化的异常对象</param>
sUxEm}z /// <param name="catchInfo">异常信息标题字符串.</param>
0oi.k; /// <retvalue>
wJgGw5 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
fcohYo5mh /// </retvalue>
.p'McCV= /// </summary>
[;D1O;c'W. public static String FormatException(Exception ex, String catchInfo)
W_/$H_04+ {
hQL@q7tUr StringBuilder strBuilder = new StringBuilder();
+zo\#8*0MF if (catchInfo != String.Empty)
4@ny%_/ {
J=O_nup6C strBuilder.Append(catchInfo).Append("\r\n");
`tKs|GQf }
^foCcO strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
$Grk{]nT return strBuilder.ToString();
I>-1kFma; }
.ubZ pf yJL?_% /// <summary>
2Mw` /// 实际事件日志写入方法
hHOx ] /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
*'{9(Oj /// <param name="messageText">要记录的文本.</param>
aqi]5, /// </summary>
G-vkkNj%e private static void WriteLog(TraceLevel level, String messageText)
+^rt48${ y {
(Nf!E[}Z try
wYv++<
z {
%(\et%[] EventLogEntryType LogEntryType;
K}whqe]j switch (level)
Rp_ }_hL0 {
Eh9{n,5- case TraceLevel.Error:
l
u{6 LogEntryType = EventLogEntryType.Error;
M4d4b break;
?c fFJl case TraceLevel.Warning:
nx{X^oc8e LogEntryType = EventLogEntryType.Warning;
rC/z8m3z break;
oHV!>K_D case TraceLevel.Info:
{p(6bsn_#] LogEntryType = EventLogEntryType.Information;
NVf_#p"h break;
c47.,oTo case TraceLevel.Verbose:
CX5>/ LogEntryType = EventLogEntryType.SuccessAudit;
Mt~2&$> break;
pYUQSsqC default:
J/Ch
/Sa LogEntryType = EventLogEntryType.SuccessAudit;
| NFDrm break;
WE
/1h }
1wggYX C,<FV+r=^ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
uCWBM //写入事件日志
Je K0>< eventLog.WriteEntry(messageText, LogEntryType);
8ux rZRTQ }
73ABop catch {} //忽略任何异常
`w"ooK }
{~Q}{ha } //class ApplicationLog
99~-TiU }
bl|)/)6o 2jP(D%n 12.Panel 横向滚动,纵向自动扩展
IG:CWPU <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
9m%+ 6#| "1Y DT-I" 13.回车转换成Tab
a5`9mR)Y$' <script language="javascript" for="document" event="onkeydown">
p%\&M bA if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
eFQz G+/ event.keyCode=9;
uxW<Eh4H* </script>
)@.0ai QT(]S>--n onkeydown="if(event.keyCode==13) event.keyCode=9"
!]z4'* )W Fj&8wZ)v) 14.DataGrid超级连接列
[bBPs&7u DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
oPF
n`8dQ (S&D 15.DataGrid行随鼠标变色
+\cG{n* private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
t6%zfm
{
@Ps1. if (e.Item.ItemType!=ListItemType.Header)
qFY>/fCP4 {
Te>m9Pav e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
sA,2gbW e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Z =*h9,MY }
J$yJ2G }
_+0c<' k&