1. 打开新的窗口并传送参数:
$tK/3 T3-/+4$0v 传送参数:
<,9rXjeRl response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
@j%7tfW xI~ c~KC 接收参数:
+.X3&|@k string a = Request.QueryString("id");
'/Xm%S string b = Request.QueryString("id1");
gNh4c{Al9 yQC8 Gt8 2.为按钮添加对话框
$- GwNG Button1.Attributes.Add("onclick","return confirm(’确认?’)");
mf2Qu button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
cn'rBY ~sCdvBA 3.删除表格选定记录
:}o{<U int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
*bi;mQ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
X
u>]$+u# iF"kR]ZL 4.删除表格记录警告
!'=<uU- private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
i"{znKz vD {
|(9l_e| switch(e.Item.ItemType)
Jz-RMX= {
&3P"l.j case ListItemType.Item :
hP
jL case ListItemType.AlternatingItem :
~e+pa|lO case ListItemType.EditItem:
~VPE9D@ TableCell myTableCell;
`L.nj6F myTableCell = e.Item.Cells[14];
Lvn+EM LinkButton myDeleteButton ;
_,*QJ myDeleteButton = (LinkButton)myTableCell.Controls[0];
#?bOAWAwLh myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
S#\Cyn2(t break;
59(} D'lw> default:
>< Qp%yT break;
:n oZ
p:a }
=Unu>p}2V ,go$6 }
VQpwHzh Vv>hr+e 5.点击表格行链接另一页
zBqNE` private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Bo/i =/7% {
?lIh&C8]X //点击表格打开
1xsB@D if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
T?D]]x e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
EL9JM}%0v }
&"X1w $ ES[]A&tf 双击表格连接到另一页
S2$r 6T eak+8URo 在itemDataBind事件中
=5g|7grQ:` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
tU>4?`)E {
=#vU$~a string OrderItemID =e.item.cells[1].Text;
N gOc2I ...
sQT<I]e e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
8|rlP }
7*47mJyc }kk[lvhJ 双击表格打开新一页
Kuh)3/7 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
p[D,.0SuC {
l/bZE.GJ string OrderItemID =e.item.cells[1].Text;
m>'#664q1 ...
8*(|uX e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
5+*CBG} }
2Vg+Aly4D vNAQ/Q ★特别注意:【?id=】 处不能为 【?id =】
MNKY J 6.表格超连接列传递参数
#vT~D>zj <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
R"e53 3 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
;x4yidb6 s%)>O{{) 7.表格点击改变颜色
4zf( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
mB*;> {
d?=r:TBU e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
m?`$NJST this.style.color=’buttontext’;this.style.cursor=’default’;");
r7*'s }
_Ns_$_ P".rm0@R 写在DataGrid的_ItemDataBound里
IPlkv{^ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
\xOv 9( {
l`*R !\ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
'k9 1;T[ this.style.color=’buttontext’;this.style.cursor=’default’;");
Y!_e,]GW e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
~@K!>j }
79ZYRm2; EBplr , O)}5`0@L 8.关于日期格式
DbK-3F_ );V.le}%( 日期格式设定
r1|;V~a$~ DataFormatString="{0:yyyy-MM-dd}"
bcFZ ~B s!/Q>A 我觉得应该在itembound事件中
s C?-L e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
UjS,<>fm /@K1"/fqH 9.获取错误信息并到指定页面
lhJZPnx~ &y:SK) 不要使用Response.Redirect,而应该使用Server.Transfer
/??nOVvt +rOd0? e.g
<0H^2ekd // in global.asax
b'G!)n protected void Application_Error(Object sender, EventArgs e) {
=' #yG(h if (Server.GetLastError() is HttpUnhandledException)
etH]-S Server.Transfer("MyErrorPage.aspx");
|&rxDf}W (/Dr=D{ ` //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
KoTQc0b! }
hSSFmEpr -<aN$O 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
DsGtc<l% hxsW9 10.清空Cookie
<qCfw>%2F Cookie.Expires=[DateTime];
3[iHe+U( Response.Cookies("UserName").Expires = 0
%x|0<@b7- UoKXo*W2 11.自定义异常处理
xtRHb''FX //自定义异常处理类
Z66q0wR7 using System;
P}mn2Hs using System.Diagnostics;
N(L?F):fT c=~FXV! namespace MyAppException
Vw b6QIs {
<5l!xzvw /// <summary>
R]Pv=fn /// 从系统异常类ApplicationException继承的应用程序异常处理类。
VeWvSIP,EQ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
G^_fbrZjN /// </summary>
r
WPoR/M public class AppException:System.ApplicationException
2< Q3-|/i {
0]`%iG| public AppException()
i@STo7= {
%PxJnMb? if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
8hm|9 }
5j-?Uf / FA0(< -} public AppException(string message)
KJN{p~Q {
ER*Et+> LogEvent(message);
`'M}.q,k~ }
S%k](\7! 8zk?:?8%{ public AppException(string message,Exception innerException)
B&c*KaK;~ {
44(l1xEN+ LogEvent(message);
\*6Ld%:h$ if (innerException != null)
:sXn*k4v {
W\J wEb9Y LogEvent(innerException.Message);
B]5G"4, }
4Rev7Mc }
(uskVK>L tu0agSpU //日志记录类
e-e*% using System;
h[I~D`q)v using System.Configuration;
6$*ZH* using System.Diagnostics;
AH#klYK using System.IO;
w-9fskd6e using System.Text;
T_*R^Ukb5 using System.Threading;
q3-V_~5^/z O%?d0K namespace MyEventLog
H8'_.2vwX {
D\i8WU /// <summary>
~V<imF /// 事件日志记录类,提供事件日志记录支持
V50FX}i /// <remarks>
e|jmOYWG /// 定义了4个日志记录方法 (error, warning, info, trace)
Z 361ko} /// </remarks>
Ud[Zv?tA: /// </summary>
"] 0sR public class ApplicationLog
a}MSA/K( {
WaYT7 : /// <summary>
COk;z.Kn /// 将错误信息记录到Win2000/NT事件日志中
1Ydym2 /// <param name="message">需要记录的文本信息</param>
6`Af2Y_ /// </summary>
eW^_YG%( public static void WriteError(String message)
4` zfrT^ {
;OynkZs) WriteLog(TraceLevel.Error, message);
Y]gb`z$? }
sM$gfFx .,5N/p"aV /// <summary>
QvN=<V /// 将警告信息记录到Win2000/NT事件日志中
W_ hckq. /// <param name="message">需要记录的文本信息</param>
fd}
Ul /// </summary>
yDW$v/j.| public static void WriteWarning(String message)
^+20e3 ~Y {
bI?YNt, WriteLog(TraceLevel.Warning, message);
1rmK#ld"=Z }
vkQkU,q c3$h-M(jVJ /// <summary>
V"{+cPBO) /// 将提示信息记录到Win2000/NT事件日志中
uNSbAw3 /// <param name="message">需要记录的文本信息</param>
dJ}E,rW} /// </summary>
4PzCm k public static void WriteInfo(String message)
DoA+Bwq@ {
7$&3(#!N WriteLog(TraceLevel.Info, message);
}^np }
UBy<
vwnU /// <summary>
kxp, ZP /// 将跟踪信息记录到Win2000/NT事件日志中
g1s\6%g /// <param name="message">需要记录的文本信息</param>
N-4k
9l1 /// </summary>
*.]M1 public static void WriteTrace(String message)
b7_uT`< {
>uN)O- WriteLog(TraceLevel.Verbose, message);
rG*Zp7{ }
Y}pCBw mgxoM|n6 /// <summary>
ufekhj /// 格式化记录到事件日志的文本信息格式
mOkf /// <param name="ex">需要格式化的异常对象</param>
DlWnz- /// <param name="catchInfo">异常信息标题字符串.</param>
P:gN"f6 /// <retvalue>
;P#c! /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
xbv /// </retvalue>
5_MqpCL /// </summary>
M{ mdh\ public static String FormatException(Exception ex, String catchInfo)
E8=8OX/{Y {
u'BuZF
StringBuilder strBuilder = new StringBuilder();
TsB"<6@!AA if (catchInfo != String.Empty)
"/&_B {
|*+f N8 strBuilder.Append(catchInfo).Append("\r\n");
ZFAi 9M }
,@1.&!F4it strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
"+6:vhP5 return strBuilder.ToString();
W+C@(}pt }
]'2;6%.4 SCZ6:P"$qX /// <summary>
VdZmrq;?/ /// 实际事件日志写入方法
8>
-3G /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
^6E+l# /// <param name="messageText">要记录的文本.</param>
?zD?- /// </summary>
{T0f]]}Q private static void WriteLog(TraceLevel level, String messageText)
?!:$Z4G {
'9Hah try
D~i m1h;> {
{{WA=\N8C EventLogEntryType LogEntryType;
EGZF@#N switch (level)
5D32d1A {
K5fL{2V? case TraceLevel.Error:
IP 9{vk LogEntryType = EventLogEntryType.Error;
u::2c break;
"XEKoeG{ case TraceLevel.Warning:
1UHStR LogEntryType = EventLogEntryType.Warning;
8RfFP\ AP break;
q@}eYQ=P|e case TraceLevel.Info:
!e}LB%zf LogEntryType = EventLogEntryType.Information;
El}."}l& break;
J4-64t nZ case TraceLevel.Verbose:
zdoJ+zRtK LogEntryType = EventLogEntryType.SuccessAudit;
JIl<4 %A break;
oP$l( k default:
J4Ix\r_ LogEntryType = EventLogEntryType.SuccessAudit;
$cxulcay= break;
eco i4f }
&3Q!'pJJ Z*}5M4 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
5f:Mb|.? //写入事件日志
}CiB+ eventLog.WriteEntry(messageText, LogEntryType);
%YI Xk1 =2
3H/ }
43"`gF] catch {} //忽略任何异常
V?a+u7*U& }
X_}2xo|T } //class ApplicationLog
UKBVCAK }
}w0>mA0=H G/2| *H 12.Panel 横向滚动,纵向自动扩展
i,{'}B <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
x>?jfN,e >>**n9\q 13.回车转换成Tab
ndIf1} <script language="javascript" for="document" event="onkeydown">
3 9|4)1e if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
-\b$5oa( event.keyCode=9;
)jh4HMvmC </script>
&:i|;^^2 U9d0nj9 j onkeydown="if(event.keyCode==13) event.keyCode=9"
W3XVr& aIrQ=} 14.DataGrid超级连接列
vgc#IEx@ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
B>hC8^.S|w 8Rgvb3u 15.DataGrid行随鼠标变色
(o!v,=# 6{ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
],lrT0_cT {
=
h
_>OA if (e.Item.ItemType!=ListItemType.Header)
{R2gz]v4 {
u*I=. e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
TV~<1vj e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
MT8BP)C }
x:h0/f }
[Ch)6p [7Yfv
Xp 16.模板列
;\F3~rl <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
CnJrJ>l <ITEMTEMPLATE>
@A_bZQ@ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
DriJn`vtzq </ITEMTEMPLATE>
mG?g </ASP:TEMPLATECOLUMN>
s&<6{AU(id 3HU_~%l <ASP:TEMPLATECOLUMN headertext="选中">
\
2$nFr?0 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
+bG^SH2ke <ITEMTEMPLATE>
s~@4 <ASP:CHECKBOX id="chkExport" runat="server" />
%Ts6M,Fpp </ITEMTEMPLATE>
y~.k-b<{[ <EDITITEMTEMPLATE>
6;02_C]\o <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
$*035f </EDITITEMTEMPLATE>
`CWI%V </ASP:TEMPLATECOLUMN>
y<Hka'(% ~nQv
yM!$ 后台代码
R6^U9fDG protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
+:hZ,G?> {
E4a`cGb //改变列的选定,实现全选或全不选。
}klET CheckBox chkExport ;
J YA if( CheckAll.Checked)
k3[%pS {
0w0\TWz* foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*o}LI6_u {
[jPUAr} chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
`D0>L' chkExport.Checked = true;
jE
/pba4R }
I[ r }
'[E|3K5d else
(]JZ1s| {
or?@Ti; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
P8hA<{UFS\ {
f^P:eBgpx chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Uxla,CCp- chkExport.Checked = false;
~
.} }
PSOW}Y|q }
e)pQh&uD }
y4%u<