1. 打开新的窗口并传送参数:
_*z^PkH 44 8%yP 传送参数:
md bi@ms@ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
BJ_"FG jcC"vr'u| 接收参数:
InL_JobE8r string a = Request.QueryString("id");
%4R1rUrgt| string b = Request.QueryString("id1");
IPTFx
)]G `#ff`j|a 2.为按钮添加对话框
B3yTN6- Button1.Attributes.Add("onclick","return confirm(’确认?’)");
GsO(\hR6^ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
|)d%3s\ pcIS}+L 3.删除表格选定记录
2asRJ97qES int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
tW!*W? string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
$J<WFDn9 J>M 9t%f@ 4.删除表格记录警告
\>9^(N private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
l_;6xkv4 {
3{qB<*!p"G switch(e.Item.ItemType)
"C3J[) qC {
P];0,;nF case ListItemType.Item :
-F(luRBS(W case ListItemType.AlternatingItem :
K#6@sas case ListItemType.EditItem:
*oLDy1< TableCell myTableCell;
G'Wp)W;])\ myTableCell = e.Item.Cells[14];
]>Dbta.27 LinkButton myDeleteButton ;
Q e/XEW myDeleteButton = (LinkButton)myTableCell.Controls[0];
+P9eE,WR myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
r(>812^\ break;
B&7:=t,m( default:
!Mgo~h"]# break;
eU)QoVt }
G]$EIf' UvU@3[fw }
$KT)Kz8tF T++q.oFc
5.点击表格行链接另一页
@#^Y#
rxb private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
iDcYyNE {
@+nCNXK //点击表格打开
0)zJG | if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@ G!Ir"Q e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
}tBw<7fe }
V^!^wLLi -Ju;i< 双击表格连接到另一页
ukVBC"Ny ue?3;BF 5 在itemDataBind事件中
XgXXBKf$ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Z0v?3v}9^ {
}(DH_0 string OrderItemID =e.item.cells[1].Text;
1=T;6 8B ...
LPs5LE[Pm e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
o\><e1P }
L%3Bp/`S $e4N4e2x/ 双击表格打开新一页
@+~>utr if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y$di_)&g {
eB_r.R{ string OrderItemID =e.item.cells[1].Text;
v:Gy>& ...
/kw;q{>?o e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
CAx
eJ`Q }
r9!s@n O3T7O`H[ ★特别注意:【?id=】 处不能为 【?id =】
k{S8q?Gc 6.表格超连接列传递参数
C[jX;//Jiu <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
,B_tAg4~ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
o~CEja&( )}"`$6:k` 7.表格点击改变颜色
\b6{u6?+ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(GGosXU-v {
(~bx % e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
zN;P_@U this.style.color=’buttontext’;this.style.cursor=’default’;");
!;vv-v,LQ }
j+dQI_']x t,r:=' 写在DataGrid的_ItemDataBound里
z Fj |E if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
q7_Ttjn-DV {
/s+IstW e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
rH,@"(p\ this.style.color=’buttontext’;this.style.cursor=’default’;");
;/pI@Ck e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
lIx./Nf }
KXl!VD,#`= :x5O1Zn/t 0y/31hp 8.关于日期格式
IC8%E3 sV5") /~ 日期格式设定
yZm=#.f DataFormatString="{0:yyyy-MM-dd}"
@^ti*` f52P1V] 我觉得应该在itembound事件中
d-m.aP)y: e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
ux!YVvTPd ]xoG{%vgb 9.获取错误信息并到指定页面
C4gES"T 1tI=Dwx 不要使用Response.Redirect,而应该使用Server.Transfer
.9r85 Ndb7>"W e.g
qP&:9eL // in global.asax
'3sySsD&O protected void Application_Error(Object sender, EventArgs e) {
$%'3w~h` if (Server.GetLastError() is HttpUnhandledException)
9;\mq'v% Server.Transfer("MyErrorPage.aspx");
wD$UShnm9- =O8>[u; //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
S-3hLw&? }
RjgJIVm( ":s_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
WcM\4q@ q
&{<HcP 10.清空Cookie
X's<+hK& Cookie.Expires=[DateTime];
ZvT>A#R;l~ Response.Cookies("UserName").Expires = 0
u^JsKG+,: djw\%00 11.自定义异常处理
lsOfpJ //自定义异常处理类
n{etDO using System;
@^.W|Zh[& using System.Diagnostics;
VlL%dN;
0 53a^9 namespace MyAppException
j!%^6Io4 {
U1lqg?KO /// <summary>
&dK!+ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
"dDrw ]P; /// 自动将异常内容记录到Windows NT/2000的应用程序日志
U~"Y8g#qgy /// </summary>
,=[%#gS public class AppException:System.ApplicationException
Suo$wZ7J {
}P{Wk7#Jq public AppException()
gGM QRRq {
s0D4K if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
jf)l; \u }
XQfmD;U M;OMsRCVO public AppException(string message)
Kdp($L9r {
C&*1H`n LogEvent(message);
.PR+_a-X }
J,u-)9yBA< fG$LqzyqlK public AppException(string message,Exception innerException)
~gMt
U {
%-.;sO=g LogEvent(message);
rvd%z7Z1o if (innerException != null)
!3mt<i]a" {
S7PWP<9 LogEvent(innerException.Message);
sO6=w%l^ }
iQ2j ejd3( }
S
>CKm:7 %Pt){9b //日志记录类
| Rhqi using System;
Q%d1n*;+ using System.Configuration;
i 61k using System.Diagnostics;
4:N*C7P using System.IO;
c-Yd> 4+1 using System.Text;
CPRVSN0b{4 using System.Threading;
{$yju _[ /"j3B\`? namespace MyEventLog
h !R=t {
ArNQ}F/ /// <summary>
p@4GI[ 4 /// 事件日志记录类,提供事件日志记录支持
0NC70+4L /// <remarks>
fbOqxF"?we /// 定义了4个日志记录方法 (error, warning, info, trace)
)=29Hm" /// </remarks>
rZaO^}u] /// </summary>
^rP]B-) public class ApplicationLog
+s"6[\H1d {
S**eI<QFSk /// <summary>
wB \`3u4 /// 将错误信息记录到Win2000/NT事件日志中
b7Z o~Z /// <param name="message">需要记录的文本信息</param>
}(ORh2Ri /// </summary>
"z3rH~q72 public static void WriteError(String message)
!%('8-x% {
5ct&fjmR_ WriteLog(TraceLevel.Error, message);
)rG4Nga5} }
V8TdtGB.|h Tsa]SN14 /// <summary>
Xw!\,"{s /// 将警告信息记录到Win2000/NT事件日志中
%%uE^nX> /// <param name="message">需要记录的文本信息</param>
Jut&J]{h /// </summary>
u YT$$'S public static void WriteWarning(String message)
G7al@ {
';/J-l/SE WriteLog(TraceLevel.Warning, message);
0Q_*Z ( }
LjG^c>[:m 'D
?o^ /// <summary>
g]2L[4 /// 将提示信息记录到Win2000/NT事件日志中
l$/lbwi% /// <param name="message">需要记录的文本信息</param>
Q^rR }Ws /// </summary>
:\His{% public static void WriteInfo(String message)
%'H DP3 {
D5?8`U
m= WriteLog(TraceLevel.Info, message);
n%J=!z3 }
0x!&> /// <summary>
@&O4a2+ /// 将跟踪信息记录到Win2000/NT事件日志中
HRDpFMA/~ /// <param name="message">需要记录的文本信息</param>
ty0P9.Q /// </summary>
;t\h"K<,| public static void WriteTrace(String message)
}A24;'} {
&gY) x{ WriteLog(TraceLevel.Verbose, message);
# Q^".# }
tMiIlf!>p Ls9NQy /// <summary>
~!r;?38V` /// 格式化记录到事件日志的文本信息格式
NSB6 2 /// <param name="ex">需要格式化的异常对象</param>
Kh(`6 f /// <param name="catchInfo">异常信息标题字符串.</param>
f=R+]XPzz /// <retvalue>
gaY&2 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
d"#Zp /// </retvalue>
j"69uj` R /// </summary>
~,HFd` public static String FormatException(Exception ex, String catchInfo)
qEST[S V {
J}X{8Ds9 StringBuilder strBuilder = new StringBuilder();
ls]N&!/hq if (catchInfo != String.Empty)
V<0iYi;4= {
CPP~,E_ strBuilder.Append(catchInfo).Append("\r\n");
IFX$\+- }
cZ?QI6|[ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
qM(}|fMbN return strBuilder.ToString();
!`Rh2g*o9 }
/^BC
Qaj f` uRC-B/ /// <summary>
2(xC| /// 实际事件日志写入方法
0d9z8y /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
8I#ir4z#< /// <param name="messageText">要记录的文本.</param>
]19VEH /// </summary>
2L^)k?9>g+ private static void WriteLog(TraceLevel level, String messageText)
@ivd|*?k0 {
&oS$< try
_]>1(8_N {
YzI;) EventLogEntryType LogEntryType;
D%YgS$p[M$ switch (level)
'3( ^Zv {
G-Tmk7m case TraceLevel.Error:
|HAJDhM,l LogEntryType = EventLogEntryType.Error;
s3Vb2C* break;
XWp8[Cxs case TraceLevel.Warning:
|:=o\eu& LogEntryType = EventLogEntryType.Warning;
/8h=6" break;
H0Pxw
P>q case TraceLevel.Info:
~y!'\d>q< LogEntryType = EventLogEntryType.Information;
hJ'H@L7 break;
6@J=n@J$p case TraceLevel.Verbose:
((k"*f2% LogEntryType = EventLogEntryType.SuccessAudit;
c~Ka) dF| break;
w6%
Q"%rp default:
m.e]tTe LogEntryType = EventLogEntryType.SuccessAudit;
f
V. c6 break;
!.]JiT'o }
:jLL IqhB q!5:M\ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
%SM;B-/zHt //写入事件日志
_8VP'S= eventLog.WriteEntry(messageText, LogEntryType);
senK(kbc az(<<2= }
PLyity-L[7 catch {} //忽略任何异常
\n)',4mY }
Nz,yd%ua } //class ApplicationLog
pIJXP$v3 }
4]y)YNQ( pE4a ~: 12.Panel 横向滚动,纵向自动扩展
'-;[8:y. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Z',!LK! Ma[EgG 13.回车转换成Tab
&7aWVKon <script language="javascript" for="document" event="onkeydown">
e`D}[G# if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
/~[Lr
event.keyCode=9;
1sQIfX#2f </script>
~7P)$[ W7i|uTM onkeydown="if(event.keyCode==13) event.keyCode=9"
IU%|K~_n NI >%v 14.DataGrid超级连接列
):D"LC DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
,^#Jw`w^ y/lF1{}5 15.DataGrid行随鼠标变色
*gbK
:*_J private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
E
$@W~).! {
u/zBz*zh if (e.Item.ItemType!=ListItemType.Header)
S\k < {
e3?=1ZB e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
:]^e-p!z e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Ej(Jj\ }
:HkBP90o }
+&Ld`d!n c3A\~tHW 16.模板列
}htjT/Nm <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
0lfK}
a <ITEMTEMPLATE>
>H2`4]4] <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
vT'Bs;QR </ITEMTEMPLATE>
Aw o)a8e </ASP:TEMPLATECOLUMN>
(yOkf-e2y 1o_kY"D< <ASP:TEMPLATECOLUMN headertext="选中">
0+1wi4wy/ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
1uw#;3<L <ITEMTEMPLATE>
E9HMhUe <ASP:CHECKBOX id="chkExport" runat="server" />
CLb6XnkcA\ </ITEMTEMPLATE>
~GaGDS\V <EDITITEMTEMPLATE>
*Z5^WHwg <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
[VCC+_ </EDITITEMTEMPLATE>
tZrc4$D- </ASP:TEMPLATECOLUMN>
/Rp]"S
vt [I $+wWW_ 后台代码
C|(A/b protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
^.SYAwL {
C_.9qo]DT7 //改变列的选定,实现全选或全不选。
\oQ]=dDCd% CheckBox chkExport ;
)*,/L < if( CheckAll.Checked)
@
D+ftb/ {
'Wonz<{' foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
@fL ^I&++ {
uy'ghF chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
W?
iA P chkExport.Checked = true;
Qw5nfg3T }
Wgq|Q* }
OG,P"sv else
z*y!Ml1 {
`&$8/_` foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
${+u-Wfau {
c8qr-x1HG chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!liV Y] chkExport.Checked = false;
$Gn.G_"v }
e%4?-{( }
TOYK'|lwM }
z3fv}_\z INZVe(z 17.数字格式化
yqK4 "F& qfkHGW?1/j 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
|.IH4
K <%#Container.DataItem("price","{0:¥#,##0.00}")%>
,b+NhxdZ *dzZOe>, int i=123456;
E*_^+ % string s=i.ToString("###,###.00");
));#oQol9 5sD,gZ7 18.日期格式化
=lXj%V^8N ?0tg}0| 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
da{]B5p\
$EMOz=)I# 显示为: 2004-8-11 19:44:28
s:`i~hjq g(DD8;]w< 我只想要:2004-8-11 】
<_tmkLeZf <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
G4&s_M$ DA=U=F 应该如何改?
prBLNZp J3Mb]X)_} 【格式化日期】
q!c(~UVw <t%gl5}| 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
wN2+3LY{ (z?HyxRT 【日期的验证表达式】
gwZ<$6 &4'<