1. 打开新的窗口并传送参数:
! c,=%4Pb cD5c&+,&I 传送参数:
gIa/sD2m> response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
?$T!=e" c~bi
~ f 接收参数:
tp"dho string a = Request.QueryString("id");
oju)8H1o# string b = Request.QueryString("id1");
qP@d)XRQ @LZ'Qc
}@ 2.为按钮添加对话框
R%B"Gtl) Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Vf<VKP[9K button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
0EiURVX oU[Ba8qh 3.删除表格选定记录
#-?C{$2I int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
0]%0wbY1 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
{YnR]|0& UZ#Yd|'PD 4.删除表格记录警告
0*0]RC5? private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
p(dJf&D {
*;b.x" switch(e.Item.ItemType)
_' KJ:3e {
/3`#ldb%} case ListItemType.Item :
Hg$t,\j case ListItemType.AlternatingItem :
~u|k1 case ListItemType.EditItem:
R+,eX jz" TableCell myTableCell;
m:U.ao6 myTableCell = e.Item.Cells[14];
v%N/mL+5L LinkButton myDeleteButton ;
aD)XxXwozm myDeleteButton = (LinkButton)myTableCell.Controls[0];
)*<=: myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
$h"Ht2/ J break;
1|/P[!u default:
evOyTvc break;
qOOF]L9r%u }
;{'{*g[ 5MUM{(C }
mqxgrb7 T4MB~5,i 5.点击表格行链接另一页
~gU.z6us private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>b9nc\~ {
]*b}^PQM^ //点击表格打开
hwgLJY? if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~a@O1MB e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
GiI|6z! }
@n<y[WA 6b&<5,=d: 双击表格连接到另一页
wX dtY Hjl{M>z 在itemDataBind事件中
{@j0?s if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&+F|v(|r {
.
!gkJ string OrderItemID =e.item.cells[1].Text;
LS1r}cl ...
F~j
U; L e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
/ O@'XWW }
}2dz];bR Bc1[^{`bq^ 双击表格打开新一页
i$MYR @ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\GA6;6%Oo {
s%Ez/or(T string OrderItemID =e.item.cells[1].Text;
JBX#U@k>I ...
{|)u).n| e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
S-)mv'Al'F }
[X>\!mt w
D|p'N ★特别注意:【?id=】 处不能为 【?id =】
pbg[\UJyd 6.表格超连接列传递参数
:9`'R0=i^ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
0V{a{>+ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
+bC-_xGuh %N}OMc.W 7.表格点击改变颜色
yVds2J'w- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Hj&mwn] {
o#(z*v@ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
] Tc!=SV this.style.color=’buttontext’;this.style.cursor=’default’;");
cH$zDm1 }
/>1Ndj (S~|hk^ 写在DataGrid的_ItemDataBound里
mDJF5I if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0XwDk$l< {
We7~tkl( e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
qf7:Q?+.| this.style.color=’buttontext’;this.style.cursor=’default’;");
'EF\=o)^Y e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
jET$wKw% }
d GEMrjx iCA!=%M@D GL4-v[]6I 8.关于日期格式
FFE IsB"9 fAx7_}k/ m 日期格式设定
-9Iz$(>a DataFormatString="{0:yyyy-MM-dd}"
I_vPGafMx ;Y:_}kN8_ 我觉得应该在itembound事件中
c,WRgXL e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
P}=u8(u #is1y3yh 9.获取错误信息并到指定页面
$|0_[~0-n :^
9sy 不要使用Response.Redirect,而应该使用Server.Transfer
&{#4^.Q Sw##C
l# e.g
f"^G\ // in global.asax
Y6LoPJ protected void Application_Error(Object sender, EventArgs e) {
?~G D^F if (Server.GetLastError() is HttpUnhandledException)
'EsN{.l? Server.Transfer("MyErrorPage.aspx");
n,KOQI; bj6-0` //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
.}KY*y }
8J60+2Wa
5p9zl=mT Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
8<cD+Jtj *eE&ptx1 10.清空Cookie
K@ZK@++ Cookie.Expires=[DateTime];
:]?y,e%xu, Response.Cookies("UserName").Expires = 0
SSi-Z ~( %TQY5 11.自定义异常处理
Dx<">4 //自定义异常处理类
gQ]WNJ~> using System;
^4jIT1 using System.Diagnostics;
8;'fWV?
U Z<j(ZVO namespace MyAppException
YS$?Wz {
R-xWZRl> /// <summary>
O0`k6$=6r /// 从系统异常类ApplicationException继承的应用程序异常处理类。
lTNfTO^ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
B~p` 3rC /// </summary>
"2cJ'n/L public class AppException:System.ApplicationException
%lL^[`AR {
7"L`|O?8) public AppException()
R-v99e iN {
^:JZ.r if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
F"7dN *7 }
eURy] ]k2Jf}| public AppException(string message)
YXD6GJWo {
3$YgGum LogEvent(message);
caA>; +aBH }
WM8
Ce0E W'2a1E public AppException(string message,Exception innerException)
t?[|oz:v {
[Tha
j LogEvent(message);
/.leY$ if (innerException != null)
x50,4J%J'r {
WdXi LogEvent(innerException.Message);
U p1&( }
y 1DP`Ro }
&p\fdR4e /mELnJ^ //日志记录类
)"j)9RQ} using System;
fX)C8J^=G using System.Configuration;
[K2\e N~g using System.Diagnostics;
wKe$(>d"L using System.IO;
4H4U using System.Text;
Q}G'=Q]Juz using System.Threading;
aL63=y [UJC/GtjS namespace MyEventLog
fV[(s7vW {
.]_Ye.} /// <summary>
z6B(}(D /// 事件日志记录类,提供事件日志记录支持
J\iyc,M<M /// <remarks>
mp2J|!Lx /// 定义了4个日志记录方法 (error, warning, info, trace)
eT??F /// </remarks>
vB0O3] /// </summary>
'qRK6}"T
public class ApplicationLog
v?Q|;< {
11Kbj`sRZ /// <summary>
|RUx)& /// 将错误信息记录到Win2000/NT事件日志中
hr%O 4&sa /// <param name="message">需要记录的文本信息</param>
\k?uh+xl /// </summary>
9Vp|a&Ana public static void WriteError(String message)
vfG4PJ 6 {
*Vk%"rwaG WriteLog(TraceLevel.Error, message);
xFZA18 }
PCl@Ff xA;o3Or /// <summary>
aL\vQ(1zO /// 将警告信息记录到Win2000/NT事件日志中
8nOMyNpy~M /// <param name="message">需要记录的文本信息</param>
,Y~{RgG /// </summary>
np|3 os public static void WriteWarning(String message)
5@3[t`n' {
#BQ7rF7CNE WriteLog(TraceLevel.Warning, message);
+dWx?$n }
K\5'pp1 S4RvWTtQV /// <summary>
m&)5QX /// 将提示信息记录到Win2000/NT事件日志中
L(tA~Z"k /// <param name="message">需要记录的文本信息</param>
!;'.mMO&% /// </summary>
r&AX public static void WriteInfo(String message)
t7 |uZHKK {
odxsF(Q0p WriteLog(TraceLevel.Info, message);
K-Bf=7F, }
J(*QtF /// <summary>
+QcgLq /// 将跟踪信息记录到Win2000/NT事件日志中
w,L P M+ /// <param name="message">需要记录的文本信息</param>
sjOyg!e /// </summary>
tB"amv public static void WriteTrace(String message)
ZKKz?reM' {
C`F*00M{ WriteLog(TraceLevel.Verbose, message);
fuM+{1}/E }
MS{purD FC.d]XA%/d /// <summary>
` aTkIo:ms /// 格式化记录到事件日志的文本信息格式
YxH"*)N /// <param name="ex">需要格式化的异常对象</param>
Kp")
%p# /// <param name="catchInfo">异常信息标题字符串.</param>
>Lo 0,b$ /// <retvalue>
8>.l4:` /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
jg8j>"Vj> /// </retvalue>
7Mxw0J /// </summary>
JZ6{W public static String FormatException(Exception ex, String catchInfo)
a/!!Y@7 {
VO ^[7Y StringBuilder strBuilder = new StringBuilder();
~YO-GX( if (catchInfo != String.Empty)
/60`"xH {
g+8j$w} strBuilder.Append(catchInfo).Append("\r\n");
HA%%WSuf }
6
W/S?F~{ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
@-dM'R6C return strBuilder.ToString();
Q+/:5Z
C }
{~DYf*RZ xao'L /// <summary>
\-kX-Tq /// 实际事件日志写入方法
2kV[A92s /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
aaq{9Y# /// <param name="messageText">要记录的文本.</param>
H!U\;ny /// </summary>
'| Enc"U private static void WriteLog(TraceLevel level, String messageText)
<VD^f {
?qr-t+ try
XWvT(+J {
9tmYrhb$
EventLogEntryType LogEntryType;
<b!ieK?\F3 switch (level)
MCHRNhb9 {
%=x|.e@J case TraceLevel.Error:
Y%9S4be LogEntryType = EventLogEntryType.Error;
uN bOtA break;
IWeQMwg case TraceLevel.Warning:
@/}{Trmg/ LogEntryType = EventLogEntryType.Warning;
sGIY\% break;
:A35?9E? case TraceLevel.Info:
zHi+I7 LogEntryType = EventLogEntryType.Information;
d=%:rLm$ break;
;=X6pK case TraceLevel.Verbose:
e:H7ht: LogEntryType = EventLogEntryType.SuccessAudit;
gd'#K~? break;
eUvIO+av default:
wH1E7LY|R LogEntryType = EventLogEntryType.SuccessAudit;
`<ITLT break;
9"_JiX~3 }
Ws?BAfP $,ev <4I& EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
{GDMix //写入事件日志
(j8tdEt eventLog.WriteEntry(messageText, LogEntryType);
zmkqqiDp_ v(^{P }
UJG)-x catch {} //忽略任何异常
Pxu!,Mi[d }
iorKS+w" } //class ApplicationLog
Lv@JfN"O }
xB{0lI b_Ns
Ch3@ 12.Panel 横向滚动,纵向自动扩展
-jsNAQ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
8[i#x|`g vQ=W<>1 13.回车转换成Tab
"pq#A* <script language="javascript" for="document" event="onkeydown">
]#]m_+} Z if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Saa#Mj`M event.keyCode=9;
ul~>eZ </script>
PT4Xr=z = rP.qCl+J onkeydown="if(event.keyCode==13) event.keyCode=9"
<tK6+isc CBx 1.xL 14.DataGrid超级连接列
LXj2gsURu% DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
>nmby|XtW E",s] 15.DataGrid行随鼠标变色
BMU}NZA private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
<{m!.9g9 {
lbrob' '+ if (e.Item.ItemType!=ListItemType.Header)
\FN"0P(G {
21GjRPs\ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
,c"_X8Fkx$ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
QytqO{B^ }
~k+"!'1 }
P0U=lj/b v :]y#y 16.模板列
7uJy<O
<ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
?RGL0`Lg <ITEMTEMPLATE>
GutH}Kz"& <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
:~loy' </ITEMTEMPLATE>
*v3/8enf </ASP:TEMPLATECOLUMN>
aNb=gjLpt kRNr`yfN <ASP:TEMPLATECOLUMN headertext="选中">
1\q(xka{ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
c38RE,4U <ITEMTEMPLATE>
}Q_IqI[7 <ASP:CHECKBOX id="chkExport" runat="server" />
yrO'15TB </ITEMTEMPLATE>
x!bFbi#!" <EDITITEMTEMPLATE>
?KpHvf' <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
9 m&"x/k </EDITITEMTEMPLATE>
?cr;u~-= </ASP:TEMPLATECOLUMN>
h4H~;Wl0 d{&+xl^ll 后台代码
(V@g?|LZ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
&'V_80vA {
I_.(&hMn //改变列的选定,实现全选或全不选。
x{<WJ|'B CheckBox chkExport ;
$7gzu4f if( CheckAll.Checked)
!%J;dOcU {
SQ5SvYH foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
fI[tU(x {
YIb5jK` chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*%(8z~(\ chkExport.Checked = true;
v=nq P{ }
]]@jvU_?kS }
])}{GW else
9'3%%o {
w[\*\'Vm0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
6FG h=~{3, {
t
),~w,7(J chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
&W