1. 打开新的窗口并传送参数:
o-]8)G>~M >9Y0t^Fl 传送参数:
k )fLJ9R response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
r9^~I TIP H#W:v 接收参数:
jouT9~[L' string a = Request.QueryString("id");
Vvl8P|x.< string b = Request.QueryString("id1");
byj7c( YzAGhAyw 2.为按钮添加对话框
};8PPR)\y Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Ng1[y4R} button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
X.ZY1vO Z3A"GWY 3.删除表格选定记录
62/tg*) int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
)7N$lY< string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
V"sm+0J 5U JMiwP{ 4.删除表格记录警告
k=5v
J72U private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
t$U eks {
l`AA<Rj*O- switch(e.Item.ItemType)
t-J\j"~%+ {
5'3H$%dC case ListItemType.Item :
T4"*w case ListItemType.AlternatingItem :
x*F_XE1#M case ListItemType.EditItem:
jX91=78d TableCell myTableCell;
M4}zRr([.5 myTableCell = e.Item.Cells[14];
&uu69)u LinkButton myDeleteButton ;
f1/if:~6 myDeleteButton = (LinkButton)myTableCell.Controls[0];
At8^yF
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
6b=7{nLF break;
>zcp(M98 default:
,6^V)F break;
]4-t*Em }
~2U5Wt )%(H'omvl }
TZ@S?r>^ Tn\59 ( 5.点击表格行链接另一页
TZS:(MJ9M private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>U[YSsFt6 {
je~gk6}Y //点击表格打开
VxGR[kq$] if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
=:v5`
: e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
gS^Y? }
\>|:URnD C Z/:(sOJ 双击表格连接到另一页
fhQ}Z%$ ?N!.:~~k 在itemDataBind事件中
;!/g`*? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@RVj~J.A {
UNKXfe(X9 string OrderItemID =e.item.cells[1].Text;
CK RnkTTiV ...
F%e5j9X` e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
uze5u\ }
/hbdQm Ng<oz*>U 双击表格打开新一页
o^&nkR if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6ALUd^ {
tY$4k26 string OrderItemID =e.item.cells[1].Text;
}h_=
n> ...
LDq(WPI1# e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
nM&UdKf3 }
)u(Dq u\t bmGtYv ★特别注意:【?id=】 处不能为 【?id =】
GxcW^{; 6.表格超连接列传递参数
5_Opx= <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
ALnE[}N6, <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
5Lm<3:7Q+ "+KAYsVtU 7.表格点击改变颜色
/s~&$(d59o if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
WCZeY?_^c {
sD`OHV: e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
UG<`m] this.style.color=’buttontext’;this.style.cursor=’default’;");
S.A|(?x }
5Gsjt+
o ^G]H9qY-e 写在DataGrid的_ItemDataBound里
D<XRu4^; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
y5lhmbl: e {
!7fVO2m T e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
9Kd:7@U this.style.color=’buttontext’;this.style.cursor=’default’;");
s~MCt|a e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Hs6}~d }
[}bPkD / :@X< Luu.p< 8.关于日期格式
#sp8 !8|y :\8&Th}Se 日期格式设定
$ACD6u6 DataFormatString="{0:yyyy-MM-dd}"
,2_!hm/ @je vY81) 我觉得应该在itembound事件中
5Dlx]_ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
aXO|%qX r:uW(<EP^ 9.获取错误信息并到指定页面
Di8;Tq 2
VGGSLr 不要使用Response.Redirect,而应该使用Server.Transfer
fE/|U|5L[ 8Nz Xe 7 e.g
TZ+2S93c // in global.asax
h9L/.>CX protected void Application_Error(Object sender, EventArgs e) {
>n^[-SWJCT if (Server.GetLastError() is HttpUnhandledException)
sOLR *=F{ Server.Transfer("MyErrorPage.aspx");
&24z`ZS[w6 @s/0 .7 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Kw^tvRt'* }
f.y~ Sew j>t*k!db Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
-S %)2(f^ *<nfA} 10.清空Cookie
|;6l1]hk6 Cookie.Expires=[DateTime];
K~JXP5`( Response.Cookies("UserName").Expires = 0
<FFaaGiE> 5.e.
BT 11.自定义异常处理
9K`uGu //自定义异常处理类
!~~j&+hK\ using System;
v<U +&D{ using System.Diagnostics;
C2 ] x E)7ODRVbl namespace MyAppException
Co#_Cyxg=9 {
\4e6\6 + /// <summary>
k|c=O6GO /// 从系统异常类ApplicationException继承的应用程序异常处理类。
%[C-KQH /// 自动将异常内容记录到Windows NT/2000的应用程序日志
3V`.< /// </summary>
_z3YB public class AppException:System.ApplicationException
4C{3>BE {
edy6WzxBcm public AppException()
P?P))UB5 {
Ho:X.Z9A^ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
!1\jD }
DfQD!}= az2CFd^M public AppException(string message)
H;OPA8\n {
f:-dw6a=s LogEvent(message);
U\Hd?&`9gz }
SZm)`r\A W=k%aB?p public AppException(string message,Exception innerException)
';z5]O~ {
-'OO6mU LogEvent(message);
5{&<X.jv if (innerException != null)
TGJ\f {
zUhJr$N$ LogEvent(innerException.Message);
?~5J!|r# }
f{Dc R" }
MYb^ILz H3 C8 b%r|^# //日志记录类
Ag!#epi{0 using System;
GCgpe(cQ using System.Configuration;
G$D6#/rR using System.Diagnostics;
4U*uH using System.IO;
hsUP5_ using System.Text;
E0i_sB~T using System.Threading;
;|Ja|@82 MXxE)"G*a namespace MyEventLog
P00pSRQHD {
K{&b "Ba1 /// <summary>
Xkv+"F=- /// 事件日志记录类,提供事件日志记录支持
Qb|.;_ /// <remarks>
CXsi /// 定义了4个日志记录方法 (error, warning, info, trace)
&Tf R]. /// </remarks>
S}hg*mWn{$ /// </summary>
69v[*InSd public class ApplicationLog
]cv|A^ {
E+&]96*Lby /// <summary>
ewn/@;E /// 将错误信息记录到Win2000/NT事件日志中
d[9NNm*htC /// <param name="message">需要记录的文本信息</param>
,A>i)brc /// </summary>
/e5Fx public static void WriteError(String message)
X; gN[ {
):_x WriteLog(TraceLevel.Error, message);
d%istFL) }
L^`oJ9k! @Yq! /// <summary>
Lu~e^Ul
/// 将警告信息记录到Win2000/NT事件日志中
GZN@MK*co /// <param name="message">需要记录的文本信息</param>
+"]'h~W /// </summary>
)pVxp]EI public static void WriteWarning(String message)
iK"j@1| {
A/U tf0{3" WriteLog(TraceLevel.Warning, message);
n]B)\D+V^ }
sv^;nOAc rwxJR@Ttn /// <summary>
fuH Dif, /// 将提示信息记录到Win2000/NT事件日志中
f-\l<o( /// <param name="message">需要记录的文本信息</param>
V#TA%> /// </summary>
tc{23Rf% public static void WriteInfo(String message)
b'N"?W^YQ {
aNW&ib WriteLog(TraceLevel.Info, message);
P-~Avb }
*TuoC5 /// <summary>
azB~>#H~ /// 将跟踪信息记录到Win2000/NT事件日志中
n^/,>7J /// <param name="message">需要记录的文本信息</param>
]T+.kC
M /// </summary>
>NE]TZ.F public static void WriteTrace(String message)
YV 9*B {
qR_"aQ7s2 WriteLog(TraceLevel.Verbose, message);
UY**3MK }
@ %z5]w p;n )YY$ /// <summary>
)^!-Aj\x /// 格式化记录到事件日志的文本信息格式
U[S;5xeF.j /// <param name="ex">需要格式化的异常对象</param>
Iw"?%k\U /// <param name="catchInfo">异常信息标题字符串.</param>
}}qR~.[ /// <retvalue>
ji(S ?^ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
D0QXvrf /// </retvalue>
t:M({|m Y /// </summary>
r _r$nl public static String FormatException(Exception ex, String catchInfo)
n X
Qz {
UhCd, StringBuilder strBuilder = new StringBuilder();
E"Xi if (catchInfo != String.Empty)
,ASY
&J5)7 {
=]E1T8| strBuilder.Append(catchInfo).Append("\r\n");
cQPH le2 }
T6H"ER$ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
,)L.^< return strBuilder.ToString();
&TbnZnv }
!wrl.A/P &F#X0h/m= /// <summary>
bi^LpyEn /// 实际事件日志写入方法
I{cn ,,8 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
ecf7g)+C /// <param name="messageText">要记录的文本.</param>
xDr
*|d /// </summary>
4r(rWlM private static void WriteLog(TraceLevel level, String messageText)
]Ly)%a32 {
^:-%tpB#! try
Gz *U?R-T {
oS_p/$F, EventLogEntryType LogEntryType;
<R{\pz2w switch (level)
8}\"LXRbo {
&P ;6P4x case TraceLevel.Error:
sCb?TyN'n LogEntryType = EventLogEntryType.Error;
"<O?KO3K break;
m Xw1%w[* case TraceLevel.Warning:
!9)*. 9[8 LogEntryType = EventLogEntryType.Warning;
n?
s4"N6 break;
1xtbhk]D case TraceLevel.Info:
Vxgc|E^J LogEntryType = EventLogEntryType.Information;
)QZ?Bf break;
6ldDt?iSg case TraceLevel.Verbose:
C1G Wi4) LogEntryType = EventLogEntryType.SuccessAudit;
SwP h-6 break;
y6jTT% default:
%n}]$
d LogEntryType = EventLogEntryType.SuccessAudit;
0\Oeo8<7)~ break;
R1q04Zj{2 }
gieX`} :,VyOmf EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
K->p&6s //写入事件日志
'ZDa *9nkF eventLog.WriteEntry(messageText, LogEntryType);
eB]ZnJ2^= E0oJ|My }
Hh@mIusj catch {} //忽略任何异常
Y66 vJ<lM }
A`r&"i OKA } //class ApplicationLog
Y2$%%@ }
jN {ED_ b'{D4/ 12.Panel 横向滚动,纵向自动扩展
YT:5J%" <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
.HtDcGp 9Pb0Olh 13.回车转换成Tab
vOP[ND=T <script language="javascript" for="document" event="onkeydown">
*@Qt*f if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
=q"3a9pb7 event.keyCode=9;
Ahebr{u </script>
X>wQYIi ss2:8up 99 onkeydown="if(event.keyCode==13) event.keyCode=9"
6% ,Q 9SFiL#1 14.DataGrid超级连接列
%Bo Jt-v DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
o4Ba l^=[ W@0(Y9jdg 15.DataGrid行随鼠标变色
TM RXl.1 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
G![1+2p:Tq {
yi%B5KF~Al if (e.Item.ItemType!=ListItemType.Header)
uIPR*9~6o {
$i`YtV e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
kdo)y(fn@ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
FVpe*] }
3sw1y }
~|!lC}!IKL eX$Biv1N 16.模板列
Sn+Yi <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
2Vi[qS^ <ITEMTEMPLATE>
Z3/ zUtgs <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
HYY|)Wo </ITEMTEMPLATE>
[p(C:rH </ASP:TEMPLATECOLUMN>
[lJ[kr*7 N,1wfOE <ASP:TEMPLATECOLUMN headertext="选中">
TUUBC% <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
3whyIXs <ITEMTEMPLATE>
=Vv{ td <ASP:CHECKBOX id="chkExport" runat="server" />
& 3a+6!L[ </ITEMTEMPLATE>
l%:_#1?isf <EDITITEMTEMPLATE>
l{3utQH-=z <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
jW*A(bK8: </EDITITEMTEMPLATE>
nAYjSE </ASP:TEMPLATECOLUMN>
/[-hJ=<Yb u/zfx;K 后台代码
~& l`" protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
3A9|{Vaz+6 {
qjFgy)qV //改变列的选定,实现全选或全不选。
aD:+,MZ CheckBox chkExport ;
bd9c/>& if( CheckAll.Checked)
s0h)~z {
0'<S7?~| foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*5NffiA}- {
_96&P7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
JSL 3.J chkExport.Checked = true;
&0"`\~lA }
+(<f(]bG }
TvP# /qGgG else
)2A4vU-IR. {
oa4}GNH foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
r5"/EMieh {
E0|aI4S4 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
83n: h08 chkExport.Checked = false;
N$+"zJmw&