1. 打开新的窗口并传送参数:
Bm;@}Ly=G hOe$h,E'] 传送参数:
LufZ, response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
V_9>Z? G 'CYvV 接收参数:
/?C6oj1 string a = Request.QueryString("id");
,-.=]r/s string b = Request.QueryString("id1");
nVk]Qe 30h1)nQ$h} 2.为按钮添加对话框
.-:6L2 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
'x=y:0A button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Rp.FG BtP*R,> 3.删除表格选定记录
leEzfbb{'. int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Ec['k&*7, string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
\JGRd8S[ nHB`<B 4.删除表格记录警告
l5_%Q+E_ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
po+1 {
JmVha!<qk switch(e.Item.ItemType)
Jm}zit:o {
2
Xc,c*r case ListItemType.Item :
Xu\2 2/Co case ListItemType.AlternatingItem :
&?7+8n&+ case ListItemType.EditItem:
#|{^k u TableCell myTableCell;
Ps{}SZn myTableCell = e.Item.Cells[14];
jz$83TB- LinkButton myDeleteButton ;
HltURTbI myDeleteButton = (LinkButton)myTableCell.Controls[0];
_Y,d|!B#L myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
R P6R1iN3 break;
~TALpd default:
g/m%A2M&aH break;
pmi`Er }
-%)8= ?HaUT(\j }
%Tv^BYQAZ 8fs::}0 5.点击表格行链接另一页
Nh|QYxOP private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
~0@+8%^>; {
#$9rH
2zd //点击表格打开
j!<RY>u if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]Q\/si& e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
?{I]!gI }
zbL6TP@= t^1c^RpTb 双击表格连接到另一页
Cdd
+I5~ 5%6r,?/7KM 在itemDataBind事件中
lGP'OY"Q if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
UBxQ4)% {
!'EE8Tp~F string OrderItemID =e.item.cells[1].Text;
$:MO/Suz{ ...
Sud5F4S e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
j8gi/07l }
1 ~#p3)B ?QXo]X;f& 双击表格打开新一页
D2}nJFR
] if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{CR'Z0 {
.4wp string OrderItemID =e.item.cells[1].Text;
)7Ed}6% ...
7|Tu@0XXA e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
o$DJL11E }
oLp:Z= _*Z2</5 ★特别注意:【?id=】 处不能为 【?id =】
jVpk) ;vC 6.表格超连接列传递参数
!]k $a <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
3 _tO <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Kr]`.@/.S 0BTLIV$d; 7.表格点击改变颜色
Tfl4MDZb if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
7)Rx- {
Y-WYQ{ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Q[k7taoy this.style.color=’buttontext’;this.style.cursor=’default’;");
~IKPi==@, }
KD7RI3'? cTeEND) 写在DataGrid的_ItemDataBound里
It@ak6u? if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
O2Mo ~} {
bu#}`/\_ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
(U |[C* this.style.color=’buttontext’;this.style.cursor=’default’;");
ryq95<lF e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
oA&V,r }
\}e1\MiZ O`hOVHDQ ToN$x^M
w 8.关于日期格式
rsR0V+(W "3v[\M3 日期格式设定
Kj_hCSvf3e DataFormatString="{0:yyyy-MM-dd}"
(SLAq$gvd wKCHG/W 我觉得应该在itembound事件中
lc=C e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
DT@6Q. \@4_l?M 9.获取错误信息并到指定页面
5"5D( ( {H5k'' 不要使用Response.Redirect,而应该使用Server.Transfer
Rt<8&.m4 t "J"G@1) e.g
zZ|Si // in global.asax
1;[\xqJ protected void Application_Error(Object sender, EventArgs e) {
o~F @1 if (Server.GetLastError() is HttpUnhandledException)
q@p-)+D; Server.Transfer("MyErrorPage.aspx");
Vet7a_ "Kz=ZC //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
4cql?W (D }
?s("@dz_ d"|XN{ 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
oO|zRK1;/ _1`*&k
JL~ 10.清空Cookie
HZdmL-1Z^+ Cookie.Expires=[DateTime];
@U%I 6 t Response.Cookies("UserName").Expires = 0
tqE LF
S ;x;FU 11.自定义异常处理
5yO6szg //自定义异常处理类
k|,pj^ using System;
F
t%f"Z using System.Diagnostics;
ZgLO[Bj n~l )7_G namespace MyAppException
IBWUeB:b {
IEdC
_6G /// <summary>
%,GY&hTw /// 从系统异常类ApplicationException继承的应用程序异常处理类。
ky#d` /// 自动将异常内容记录到Windows NT/2000的应用程序日志
c@:r\] /// </summary>
G|yX9C]R public class AppException:System.ApplicationException
&eT)c<yhyK {
oq=D9 public AppException()
YZf<S: {
REhXW_x if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
#"6(Q2|
l }
'z2}qJJ) -,et. * public AppException(string message)
7Rj!vj/ {
y>u+.z a| LogEvent(message);
[zK|OMxoV }
*L/_ v N<:5 r public AppException(string message,Exception innerException)
6z"fBF {
S)z
jfJR LogEvent(message);
` &|Rs if (innerException != null)
dx[<@f2c {
t/_w} LogEvent(innerException.Message);
52tIe|KwL }
o)cd!,h }
}+QgRGQ Xcicqywe? //日志记录类
B @UaaWh using System;
0[xum using System.Configuration;
,Vt7Kiu using System.Diagnostics;
t</rvAH E using System.IO;
:HRJ49a using System.Text;
lKI1bs]i using System.Threading;
|h*H;@$ T%KZV/ namespace MyEventLog
!~m)_Q5?~ {
"4H&wHhT! /// <summary>
CY0|.x /// 事件日志记录类,提供事件日志记录支持
J+[&:]=P /// <remarks>
+e%9P%[+ /// 定义了4个日志记录方法 (error, warning, info, trace)
FsY}mql /// </remarks>
K-)_1 /// </summary>
#DwTm~V0" public class ApplicationLog
/P5w}n {
,JN2q]QPP /// <summary>
~o= Sxaf /// 将错误信息记录到Win2000/NT事件日志中
K&9|0xt /// <param name="message">需要记录的文本信息</param>
gf2l19aP /// </summary>
&'N{v@Oi) public static void WriteError(String message)
5 r"`c {
R?Ki~'k= WriteLog(TraceLevel.Error, message);
qWHH%
L; }
vO%n~l= Iu jly f /// <summary>
?a7PxD. /// 将警告信息记录到Win2000/NT事件日志中
n wToZxHZ~ /// <param name="message">需要记录的文本信息</param>
>,y291p2 /// </summary>
5iz]3]}% public static void WriteWarning(String message)
IBcCbNs! {
~{0:`)2FQ WriteLog(TraceLevel.Warning, message);
a:Y6yg%1> }
\kvd;T#t6 rm;'/l8Y-E /// <summary>
"'4R_R /// 将提示信息记录到Win2000/NT事件日志中
dZIAotHN: /// <param name="message">需要记录的文本信息</param>
kTAb
< /// </summary>
JaXT
B"e public static void WriteInfo(String message)
wP/&k`HQ#i {
2 #kR1rJP WriteLog(TraceLevel.Info, message);
sk\U[#ohH }
>t)vQ&:;u /// <summary>
f/~"_O% /// 将跟踪信息记录到Win2000/NT事件日志中
e Pq(:ih /// <param name="message">需要记录的文本信息</param>
P\tP0+at /// </summary>
5:Pp62 public static void WriteTrace(String message)
xKWqDt {
/WRS6n WriteLog(TraceLevel.Verbose, message);
Yewn }
}Xr-xh\v ^G[xQcM73 /// <summary>
MGfDxHg] /// 格式化记录到事件日志的文本信息格式
`ky<
* /// <param name="ex">需要格式化的异常对象</param>
]{{A/ j\ /// <param name="catchInfo">异常信息标题字符串.</param>
*&q\)\(3w /// <retvalue>
3xxQL,FV /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
KiT>W~ /// </retvalue>
.mn`/4 /// </summary>
F^7qLvh public static String FormatException(Exception ex, String catchInfo)
+(x^5~QX {
i6?,2\K StringBuilder strBuilder = new StringBuilder();
mp!KPw08': if (catchInfo != String.Empty)
T1m"1Q {
}&I\a strBuilder.Append(catchInfo).Append("\r\n");
8>x!n/z) }
uMh[Ht^. strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
:6S!1roi return strBuilder.ToString();
R
5-q{ }
XAW$"^p onRxe\?D( /// <summary>
-=iGl5P? /// 实际事件日志写入方法
K#rfQ0QK/! /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
ns[v.YDL /// <param name="messageText">要记录的文本.</param>
{YC!pDG /// </summary>
&)JQ6J_|\ private static void WriteLog(TraceLevel level, String messageText)
/:3:Ky3 {
A-^[4&rb try
f uQbDb& {
Ef{rY|E EventLogEntryType LogEntryType;
Ni#!C:q switch (level)
{e\Pd!D?| {
lPx4=O case TraceLevel.Error:
/ts=DxCC; LogEntryType = EventLogEntryType.Error;
11[[H kX@ break;
reR ><p case TraceLevel.Warning:
C,~wmS )@ LogEntryType = EventLogEntryType.Warning;
1j0OV9 -| break;
\ZX5dFu0 case TraceLevel.Info:
T]-yTsto LogEntryType = EventLogEntryType.Information;
eQu%TZ(x-$ break;
<f.* =/]W2 case TraceLevel.Verbose:
xI}o8G KQq LogEntryType = EventLogEntryType.SuccessAudit;
dU1w)Y break;
n8UQIa4&= default:
$R(?@B( LogEntryType = EventLogEntryType.SuccessAudit;
5b45u 6 break;
x|U~? }
F-[zuYGp SF$7WG3Q EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
>$SP2(Y~ //写入事件日志
&[:MTK?x! eventLog.WriteEntry(messageText, LogEntryType);
;Pf
|\q sd9$4k" }
i!+D
,O catch {} //忽略任何异常
F1) B-wW }
_;(`u!@/{ } //class ApplicationLog
$&~/`MxE }
B!-hcn]y %E#OUo[y/ 12.Panel 横向滚动,纵向自动扩展
yTzP{I <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
c.-h'1 bwo-9B 13.回车转换成Tab
KiYO,nD;\ <script language="javascript" for="document" event="onkeydown">
1c_gh12 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
q9fCoz event.keyCode=9;
'QGacV </script>
B?Ac KwK[)Cvv onkeydown="if(event.keyCode==13) event.keyCode=9"
x{{QS$6v !$Aijd s5 14.DataGrid超级连接列
]T|9>o! DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Xou1X$$z [p[nK=&r 15.DataGrid行随鼠标变色
j(^ot001%v private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(Cjnf
a 2 {
^7MhnA if (e.Item.ItemType!=ListItemType.Header)
&7Frg`B&: {
AzAD76iNv e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
\$:KfN>WY e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
F x,08 }
~f=~tN)hZ }
jJFWPD]u <i{O\K]9 16.模板列
N<lejZ}!q <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
w1HE^
/ <ITEMTEMPLATE>
I@Zd<