1. 打开新的窗口并传送参数:
Y F*OU"2U is/scv< 传送参数:
kHqzt g response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
%e@#uxm It75R}B 接收参数:
!\g+8> string a = Request.QueryString("id");
Zc?ppO string b = Request.QueryString("id1");
ox
; 3
zn W= 2.为按钮添加对话框
E#F/88( Button1.Attributes.Add("onclick","return confirm(’确认?’)");
)Jv[xY~ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
kkK
kf' {?`al5Sz 3.删除表格选定记录
-@ZiS^l int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
B7z -7&TE string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
^H6<Km
l/V V=1Bo~ 4.删除表格记录警告
r0m*5rd1 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
@}:uu$OH {
j;Z?WXWDh switch(e.Item.ItemType)
bz|
D-. {
TB;o~>9U case ListItemType.Item :
0VK-g}"x case ListItemType.AlternatingItem :
'fL"txW case ListItemType.EditItem:
5MSB dO TableCell myTableCell;
ce6__f5? myTableCell = e.Item.Cells[14];
C R|lt LinkButton myDeleteButton ;
EJ`T$JD myDeleteButton = (LinkButton)myTableCell.Controls[0];
\Y}3cE myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
mZUfn%QXb( break;
K'h1szW default:
-Qn=|2Mm? break;
)P|[r }
ti &J q5L51KP2 }
vaon{2/I gI8Bx ] 5.点击表格行链接另一页
tbO
H#| private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
[7YPl9 {
$Q*<96M //点击表格打开
ko^\HSXl if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
eW>3XD4 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
XerbUkZ }
95<EN(oUD i>_u_)- 双击表格连接到另一页
Vn~UB#]'3 y?SyInt 在itemDataBind事件中
RV&^g*;E if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
cr;g5C
V {
{$ep7;'d string OrderItemID =e.item.cells[1].Text;
`f'K@ ...
K|oacOF9 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
dZ _zg< }
FCkf# Y-0?a?q2Fr 双击表格打开新一页
07Edfe if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6 K-5g/hL {
BW,mwq string OrderItemID =e.item.cells[1].Text;
K6olYG> ...
wd/<
8>2X e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
MfmACd^3$ }
^`<w&I@ q%5eVG ★特别注意:【?id=】 处不能为 【?id =】
q:<{% U$ 6.表格超连接列传递参数
{3!E4"p <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
a5G/[[cwTV <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
G/v/+oX }(<%`G6N 7.表格点击改变颜色
hb{u'= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
1EyL#;k {
W0=O+0$^ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
9!><<7TS this.style.color=’buttontext’;this.style.cursor=’default’;");
MaD3[4@# }
3z]+uv+2J R=Tqj,6 写在DataGrid的_ItemDataBound里
4tx|=;@0 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0 P[RyQI {
?2Kt'1s# e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
7r{83_B this.style.color=’buttontext’;this.style.cursor=’default’;");
j w* IO e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
S"wg2X< }
.Q)|vq^ K\)Td+~jc kg`.[{k 8.关于日期格式
>Yt/]ta4+ s[gKc ' 日期格式设定
XW?b\!@ $ DataFormatString="{0:yyyy-MM-dd}"
]x&u`$F z5bo_Eq 我觉得应该在itembound事件中
s
:`8ZBz~ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Cg616hyut %?e(hnM 9.获取错误信息并到指定页面
R1Ye<R!Q ?EX"k+G 不要使用Response.Redirect,而应该使用Server.Transfer
d(:3 H'qG/@u-l e.g
p!/[K6u // in global.asax
Z#.f&K )xX protected void Application_Error(Object sender, EventArgs e) {
Yhp]x if (Server.GetLastError() is HttpUnhandledException)
bZx!0>h Server.Transfer("MyErrorPage.aspx");
H_?o-L?+ CU7F5@+ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
^2wLxXO6 }
%Qm k2 YJ:3!B>Zo Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
IHp_A I!wX[4p eg 10.清空Cookie
G
Xt4j Cookie.Expires=[DateTime];
uGs;}<<8 Response.Cookies("UserName").Expires = 0
LB/C-n.` K 0hu:1l) 11.自定义异常处理
>E,U>@+ //自定义异常处理类
m4:^}O-# using System;
VB<Jf'NU using System.Diagnostics;
t!K*pM I-agZag% namespace MyAppException
OTZ_c1"K {
rfw-^`&{ /// <summary>
wC-Rr^q /// 从系统异常类ApplicationException继承的应用程序异常处理类。
tDDy]==E /// 自动将异常内容记录到Windows NT/2000的应用程序日志
G4
G5PXi /// </summary>
U=8@@yE public class AppException:System.ApplicationException
i*eAdIi {
4'p=p#o public AppException()
)fdE6 {
*;|`E( if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
0hZ1rqq8C }
g=T/_ C[WCg9Av public AppException(string message)
>5G>D~b {
iBudmT8 LogEvent(message);
an2AX%u }
*4|Hqa #Dfo#]k( public AppException(string message,Exception innerException)
:D7|%KK {
g+PPW88P; LogEvent(message);
TEsnN i
1 if (innerException != null)
_ q(Q {
)IT6vU"-yd LogEvent(innerException.Message);
&:=$wc }
,YhwpkL }
vs6, I^Z8PEc+ //日志记录类
[_xyl e using System;
f f 7( using System.Configuration;
V,EF'-F using System.Diagnostics;
\M]-bw` using System.IO;
^Y{D^\}, using System.Text;
~Ki`Ze"x using System.Threading;
H6aM&r9} Q:6VYONN namespace MyEventLog
ESb
]}c: {
O3V.^_k; /// <summary>
D@X+{ /// 事件日志记录类,提供事件日志记录支持
/XS&d%y /// <remarks>
E2B>b[ /// 定义了4个日志记录方法 (error, warning, info, trace)
j<"nO( /// </remarks>
KjB/.4lLq /// </summary>
woq)\;CK public class ApplicationLog
YxJD _R {
_{~]/k /// <summary>
`B8tmW# /// 将错误信息记录到Win2000/NT事件日志中
nT#JOmv /// <param name="message">需要记录的文本信息</param>
x|eeRf| /// </summary>
5jq=_mHt public static void WriteError(String message)
@6o]chJo {
SK$Vk[c] WriteLog(TraceLevel.Error, message);
*R% wUi }
x?D/.vrOY bl/,*Wx:4. /// <summary>
e~v(eK_ /// 将警告信息记录到Win2000/NT事件日志中
l0tYG[ /// <param name="message">需要记录的文本信息</param>
z(c9,3 /// </summary>
;1DdjE Tr public static void WriteWarning(String message)
#~qAHJ< {
#t!}K_ WriteLog(TraceLevel.Warning, message);
4 c'4*`I }
*@V*~^V"J[ VSOz.g> /// <summary>
ep(g`e /// 将提示信息记录到Win2000/NT事件日志中
U\+&cob. /// <param name="message">需要记录的文本信息</param>
5+X_4lEJK( /// </summary>
!.fw,!}hOD public static void WriteInfo(String message)
`"k9wC1 {
ED} 31L WriteLog(TraceLevel.Info, message);
K
X]oE+: }
> 8]j
/// <summary>
rn.\tDeA /// 将跟踪信息记录到Win2000/NT事件日志中
ZEbLL4n /// <param name="message">需要记录的文本信息</param>
=FW5Tkw0 /// </summary>
AW5iV3 public static void WriteTrace(String message)
}1+%_|Y-E {
DlE_W+F WriteLog(TraceLevel.Verbose, message);
e<gx~N9l' }
K'6[J"dB ,ZI\dtl /// <summary>
IPA*-I57 /// 格式化记录到事件日志的文本信息格式
u@FsLHn /// <param name="ex">需要格式化的异常对象</param>
?)3jqQ. /// <param name="catchInfo">异常信息标题字符串.</param>
J7-^F)lu- /// <retvalue>
n<V1|X /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Uz8hANN0_ /// </retvalue>
1K|@h&@ /// </summary>
g?qKNY public static String FormatException(Exception ex, String catchInfo)
"PpjoM
~ {
\Mi#{0f+q StringBuilder strBuilder = new StringBuilder();
bdc\ if (catchInfo != String.Empty)
iRmQ5ezk {
[~Hg}-c strBuilder.Append(catchInfo).Append("\r\n");
0o&}mKe }
<xS=# strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
lWy=)^)4
return strBuilder.ToString();
SlT*C6f }
=;c_} VY B!aK /// <summary>
a}.Y!O& /// 实际事件日志写入方法
: \V,k~asl /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
E1>/R /// <param name="messageText">要记录的文本.</param>
m[2'd /// </summary>
S-E++f9D~ private static void WriteLog(TraceLevel level, String messageText)
Na!za'qk[o {
2f:Mm'XdB try
0|)19LR {
oJaAM|7uv EventLogEntryType LogEntryType;
p4/$EPt)lY switch (level)
Ae|P"^kZ {
,J9}.}Hd case TraceLevel.Error:
Sw!
j=`O LogEntryType = EventLogEntryType.Error;
& QZV q" break;
L{ ^4DznI case TraceLevel.Warning:
, &' Y LogEntryType = EventLogEntryType.Warning;
=v" xmx&4 break;
hH+bt!aH case TraceLevel.Info:
_GbE^ LogEntryType = EventLogEntryType.Information;
@sf90&f break;
]O!s'lC case TraceLevel.Verbose:
m7 XjP2 LogEntryType = EventLogEntryType.SuccessAudit;
~LE[,
I:q break;
)bWrd$X default:
O<,r>b, LogEntryType = EventLogEntryType.SuccessAudit;
,@Z_{,b break;
Rlc$;Z9K }
4'At.<]jL LR$z0rDEM EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
q9}2 //写入事件日志
shi
Hy*(v eventLog.WriteEntry(messageText, LogEntryType);
dl/X."iv! ;A^K_w' }
|"}4*V_ * catch {} //忽略任何异常
q6[}ydV }
P79R~m` } //class ApplicationLog
V;[p438o }
kr_oUXiX m<fA|9 F# 12.Panel 横向滚动,纵向自动扩展
yU`:IMz <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
\C\gn]Z 8Uj: 13.回车转换成Tab
cgNt_8qC <script language="javascript" for="document" event="onkeydown">
~ v1W if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
>C2HC6O3 event.keyCode=9;
+J40wFI:y </script>
_.f@Y`4d -^fzsBL. onkeydown="if(event.keyCode==13) event.keyCode=9"
zHxmA 9A;6x$s 14.DataGrid超级连接列
0^\/ERK DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
QAaF@Do ;6<zjV7} 15.DataGrid行随鼠标变色
U1^l+G^,~ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
k&DGJ5m$. {
!`C?nY if (e.Item.ItemType!=ListItemType.Header)
tBl#o ^ {
/VtlG+dLl e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
w4OW4J# e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
a@SUi~+3 }
2NR7V*A }
5^|"_Q#: LkaG[^tfN 16.模板列
RSH/l;ii <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
;F,qS0lzE <ITEMTEMPLATE>
jT"r$""1d <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
8?Wgawx </ITEMTEMPLATE>
|4xo4%BQ> </ASP:TEMPLATECOLUMN>
{"4<To]z P7>IZ >bw <ASP:TEMPLATECOLUMN headertext="选中">
|LFUzq>j <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
rU*q@y
Px <ITEMTEMPLATE>
9UmBm#" <ASP:CHECKBOX id="chkExport" runat="server" />
>x?2Fz. </ITEMTEMPLATE>
\L#QR <EDITITEMTEMPLATE>
}*-u$=2 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
D%
@KRcp^b </EDITITEMTEMPLATE>
j1F w
U </ASP:TEMPLATECOLUMN>
]|BojSL_ y$h"ty{g 后台代码
A5+5J_)* protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
T/7vM 6u {
AgI > //改变列的选定,实现全选或全不选。
HwW6tQ CheckBox chkExport ;
Gy^FrF if( CheckAll.Checked)
g =x"cs/[ {
z"av|(?d foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
w@-b {
0:PSt_33F chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
w7ZG oh( chkExport.Checked = true;
r:#Q9EA }
uri*lC }
=WjJN Q else
5l&j