1. 打开新的窗口并传送参数:
L""ZI5J{F9 W@ &a 传送参数:
,SidY\FzH response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
H(gY= I;-Y2* 接收参数:
<b.p/uA string a = Request.QueryString("id");
QkC*om'/! string b = Request.QueryString("id1");
v0VQ4> @&Z^WN,x 2.为按钮添加对话框
tH4q*\U Button1.Attributes.Add("onclick","return confirm(’确认?’)");
_ xTpW button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
qZ'2M.; /#
]eVD
3.删除表格选定记录
wN58uV ' int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Hy1$Kvub string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
AH :uG# e4,SR(O> 4.删除表格记录警告
f;Oh"Yt private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Zp^O1&\SK? {
v/9DD% An switch(e.Item.ItemType)
H`'a|Y {
w7.,ch case ListItemType.Item :
T.3{}230< case ListItemType.AlternatingItem :
tsL
; wT_ case ListItemType.EditItem:
l
_%<U TableCell myTableCell;
1O<6=oH myTableCell = e.Item.Cells[14];
g4b#U\D@)/ LinkButton myDeleteButton ;
B{R [z%Y myDeleteButton = (LinkButton)myTableCell.Controls[0];
|Y05 *!\P* myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
sv?Fx;d break;
HE-5e):
k default:
Ak,JPzT break;
"~0`4lo:Xo }
-fk;Qq3O '?| 1\j }
+Wg/O
- Jw8?o/1D@ 5.点击表格行链接另一页
bXvO+I< private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
`-.2Z
0 {
@fYVlHT%E //点击表格打开
r
dSL if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8-NycG&) e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
~abyjM }
X!K> .r_Dg X=KW
> 双击表格连接到另一页
^)?Wm,{"w Te
L&6F$ 在itemDataBind事件中
N|$9v{ j_ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~ HhB@G!3 {
#Zw:&'
QB string OrderItemID =e.item.cells[1].Text;
$BMXjXd} ...
:MY=Q]l e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Y|Q(JX }
E`I(x&_ n)"JMzjQ< 双击表格打开新一页
$]
"M`h if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?bVIH? {
n|)((W string OrderItemID =e.item.cells[1].Text;
%K4M`R|2] ...
R|$AcNp e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Y&j`HO8f }
m9A%Z bQ^ D\&S { ★特别注意:【?id=】 处不能为 【?id =】
babL.Ua8o 6.表格超连接列传递参数
#WSqh + <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
8
E\zjT!#\ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
PVp>L*|BZ; <+g77NL 7.表格点击改变颜色
_*6]4\; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^J#*sn {
pT->qQ3; e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
S
xJ&5q this.style.color=’buttontext’;this.style.cursor=’default’;");
G~8BND[." }
)gdLb} +4_, , I 写在DataGrid的_ItemDataBound里
=Q40]>bpx if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
\/YRhQ {
q+\<%$:u e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
2I [zV7 @t this.style.color=’buttontext’;this.style.cursor=’default’;");
e' o2PW e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
`6)Qi*Z }
qsp.`9! F-wAQ: Au'y(KB 8.关于日期格式
%rG4X h8asj0 日期格式设定
wK-VA$;: DataFormatString="{0:yyyy-MM-dd}"
} 7
o! uL^; i"" 我觉得应该在itembound事件中
xj;:B( i e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
IS&qFi}W|W 63Zu5b"O/ 9.获取错误信息并到指定页面
H]R/=OYBUh &]o-ZZX 不要使用Response.Redirect,而应该使用Server.Transfer
XQ}J4J~Vm 8C@u+tx e.g
/S]RP>cQ // in global.asax
;7z6B|8 protected void Application_Error(Object sender, EventArgs e) {
AE}cHBwZE if (Server.GetLastError() is HttpUnhandledException)
l; _IH|A Server.Transfer("MyErrorPage.aspx");
7j\^h2 bPxL+
+ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
%US&`BT! }
;yomaAr )~wKRyQff 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
s6 g"uF>k [[IMf-] 10.清空Cookie
j+gxn_E Cookie.Expires=[DateTime];
=|z:wlOs Response.Cookies("UserName").Expires = 0
]##aAh-P4& *uyP+f2O 11.自定义异常处理
>;I8w( //自定义异常处理类
5q0L<GOrj using System;
t|>zke!' using System.Diagnostics;
ML905n u r)5xS] namespace MyAppException
<3{MS],<< {
>n09K8
A /// <summary>
Jx.fDVJ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
!{.CGpS ] /// 自动将异常内容记录到Windows NT/2000的应用程序日志
{1OxJn1hd /// </summary>
$o?U= public class AppException:System.ApplicationException
jG[Vp b {
^<OYW|q?\r public AppException()
\~hrS/$[$ {
PK2;Ywk` if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Jr!BDg }
tdH[e0x B gPKf8{#%e public AppException(string message)
?z9!=A%<V~ {
Pz2 b LogEvent(message);
wu.l-VmGp) }
%i9 e<.Ot |MZ1j(_ public AppException(string message,Exception innerException)
T ?[28| {
1 jidBzu< LogEvent(message);
8D )nM| if (innerException != null)
C>+n>bH]L {
,~d0R4) LogEvent(innerException.Message);
jjV'`Vy) }
\s*M5oN]] }
d. vNiq,` SCcvU4`o //日志记录类
G*9>TavE using System;
:0l+x0l} using System.Configuration;
*2X~NJCt using System.Diagnostics;
3
,>M-F using System.IO;
eK:?~BI! using System.Text;
#-'`Ybw using System.Threading;
,-e}Xw9 T/'z,,Y namespace MyEventLog
$IE}fgA@5 {
Z0L($ /// <summary>
jU&m*0nL /// 事件日志记录类,提供事件日志记录支持
f#!+l1GV /// <remarks>
z^QrIl/<c2 /// 定义了4个日志记录方法 (error, warning, info, trace)
YbP
@ /// </remarks>
Rs<q^w] /// </summary>
Qfn:5B]tI public class ApplicationLog
@JbxGi {
eG,x\ /// <summary>
Nbpn"*L, /// 将错误信息记录到Win2000/NT事件日志中
dBXiLrEbs /// <param name="message">需要记录的文本信息</param>
[~{F(Le /// </summary>
S1|u@d' public static void WriteError(String message)
`yv?PlKL {
eyMn! a WriteLog(TraceLevel.Error, message);
j9h/`Bn }
0DicrnH8 wb.yGfJ /// <summary>
_aFe9+y /// 将警告信息记录到Win2000/NT事件日志中
{cs>Sy
4 /// <param name="message">需要记录的文本信息</param>
S&!(h
{O /// </summary>
jKml:)k public static void WriteWarning(String message)
n|{K_! f {
=1Sny7G WriteLog(TraceLevel.Warning, message);
E5^\]`9P }
>N |?>M* D m0)%# /// <summary>
EVqW(|Xg /// 将提示信息记录到Win2000/NT事件日志中
h< r(:.%!} /// <param name="message">需要记录的文本信息</param>
A'jvm@DvQI /// </summary>
,m# public static void WriteInfo(String message)
ni ?k' \\ {
;A,X,f WriteLog(TraceLevel.Info, message);
J>A9]%M }
01?+j%k=m/ /// <summary>
5C!zEI) /// 将跟踪信息记录到Win2000/NT事件日志中
UOZ+&DL,L /// <param name="message">需要记录的文本信息</param>
,->K)Rs ; /// </summary>
So&gDR;b public static void WriteTrace(String message)
/"Vd( K2Z {
r%=-maPL[ WriteLog(TraceLevel.Verbose, message);
B"_O! }
b-<0\@`Z# v?VDASR2` /// <summary>
>Q /;0>V /// 格式化记录到事件日志的文本信息格式
1#=9DD$4 /// <param name="ex">需要格式化的异常对象</param>
h <4`|Bg+ /// <param name="catchInfo">异常信息标题字符串.</param>
/i,n75/y? /// <retvalue>
X}Oe 'y /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
"QnYT3[l" /// </retvalue>
c~vhkRA /// </summary>
\n[kzi7 public static String FormatException(Exception ex, String catchInfo)
VCWW(Y1Fd {
>aAM&4 StringBuilder strBuilder = new StringBuilder();
$+Ze"E if (catchInfo != String.Empty)
Lk !)G'42 {
-V}oFxk]q strBuilder.Append(catchInfo).Append("\r\n");
+aOdaNcI }
%LrOGr strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
BY~Tc5 return strBuilder.ToString();
vIRT$W' O} }
r:bJU1P1$s EHC7b^|3} /// <summary>
6B?jc/V.R /// 实际事件日志写入方法
N9!L8BBaK /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
tDRR 3=9pX /// <param name="messageText">要记录的文本.</param>
]6e(-v!U /// </summary>
BH0m[9nU; private static void WriteLog(TraceLevel level, String messageText)
76tn`4NIP {
4Fft[S( try
%M
iv8 {
, -Hj EventLogEntryType LogEntryType;
@-sWXz*W switch (level)
,>-j Ztm {
P PJ^;s case TraceLevel.Error:
p^8a<e?f~f LogEntryType = EventLogEntryType.Error;
xxur4@p! break;
xh2r?K@k> case TraceLevel.Warning:
y >=Y LogEntryType = EventLogEntryType.Warning;
uN)c!='I break;
{32m&a case TraceLevel.Info:
7+P;s,mi7 LogEntryType = EventLogEntryType.Information;
M{L- V break;
s`$}xukT case TraceLevel.Verbose:
&3t973= LogEntryType = EventLogEntryType.SuccessAudit;
H7Q$k4\l break;
(\F9_y,6*\ default:
1b%Oi.; LogEntryType = EventLogEntryType.SuccessAudit;
Cx2#
0$ break;
tczJk1g} }
bA)nWWSg= J1G}l5N EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
e{E\YEc
//写入事件日志
2fTuIS<yr eventLog.WriteEntry(messageText, LogEntryType);
86=W}eV1r Vkg0C*L_ }
X]=eC6M}:V catch {} //忽略任何异常
z,aMbgt }
"SMJ:g", } //class ApplicationLog
t$$YiO }
yP{ 52%|+ !Aj}sh{ 12.Panel 横向滚动,纵向自动扩展
>Hnm.?-AWl <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
*:n7B\. hr];!.Fv 13.回车转换成Tab
Q$U5[TZm <script language="javascript" for="document" event="onkeydown">
(X "J)xaQ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
'V?FeWp event.keyCode=9;
9qftMDLZJ\ </script>
9295:Y| w1 DC h
!Z{I onkeydown="if(event.keyCode==13) event.keyCode=9"
c]uieig0~ tpGT~Y( 14.DataGrid超级连接列
ye.6tlW DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
#KiJ{w' W_}j~[& 15.DataGrid行随鼠标变色
BzfR8mD private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
BaQyn 6B {
E4% -*n if (e.Item.ItemType!=ListItemType.Header)
5f7id7SI {
[\W& e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
4H6Fq*W{k e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
qKD }
vL@<l^`$0 }
`0qjaC Q` u# 16.模板列
`$/a-K} <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
$bG*f*w <ITEMTEMPLATE>
f0H.$UAL <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
d}Pfj=W </ITEMTEMPLATE>
v7"VH90`! </ASP:TEMPLATECOLUMN>
56)!&MF PgA<pfEHE <ASP:TEMPLATECOLUMN headertext="选中">
7*PBJt\ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
vi}16V84l <ITEMTEMPLATE>
Ca'BE#q <ASP:CHECKBOX id="chkExport" runat="server" />
K80f_iT5 </ITEMTEMPLATE>
,,uhEoH <EDITITEMTEMPLATE>
*,z/q6 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
s>/Xb2\ </EDITITEMTEMPLATE>
{g.YGO </ASP:TEMPLATECOLUMN>
c0zcR)=mL (c[u_~ ; 后台代码
+ Tp% * protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
lMFo)4&P {
ym|7i9 //改变列的选定,实现全选或全不选。
L?/AKg CheckBox chkExport ;
S' $; if( CheckAll.Checked)
CK[8y& {
[P+kQBLpL foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
HXU#Ux {
8lM=v> Xc chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
D\_nqx9O chkExport.Checked = true;
mFTuqujO }
RFRXOyGz$ }
?xqS#^Z else
!+eU {
!K( foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
X|a{Z*y;r* {
7dY_b chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
6B8!}6Ojc chkExport.Checked = false;
.T3N"}7[ }
)vO"S }
5@xR`g- }
F\r"Y)|b= "d)YqQ 17.数字格式化
#ELeW3
S} b\0>uU 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
,
@jtD*c) <%#Container.DataItem("price","{0:¥#,##0.00}")%>
DujVV(+I LG:k}z/T int i=123456;
mI7lv;oN<5 string s=i.ToString("###,###.00");
6]iU-k0b d0)]^4HT|y 18.日期格式化
?+.mP]d_ #A5X,-4G 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
^0v3NG6 W!<7OA g $ 显示为: 2004-8-11 19:44:28
C_N|o|dX Z
01A~_ 我只想要:2004-8-11 】
O4X03fUx <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
gbzBweWF c?CD;Pk 应该如何改?
rx9*/Q0F p(pfJ^/:( 【格式化日期】
PV#h_X<l% o6A$)m5V 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
hM]Z T5;< &j:e<{@ 【日期的验证表达式】
/C8 }5) <\epj=OclV A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
B}TY+@ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
i6HRG\9nU b+a+OI D B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
k{mBG9[z ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
3*I\#Z4p1 ^gcB+ 【大小写转换】
bdWdvd: HttpUtility.HtmlEncode(string);
xF{%@t HttpUtility.HtmlDecode(string)
}ex4dhx2M {LjzkXs 19.如何设定全局变量
^>E>\uz0v 4tkT\. Global.asax中
\C$e+qb~{ In1{&sS Application_Start()事件中
}169]!R UdrgUqq) 添加Application[属性名] = xxx;
!(q@sw( ?'~u)O(n 就是你的全局变量
68P'<|u? (qFZF7(Xa 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
b4L7]& !AXLoq$SY HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
n>pJ/l%` E@C.}37R 【ASPNETMENU】点击菜单项弹出新窗口
:oy2mi; G4c@v1#%. 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
*KNfPh#wi} <?xml version="1.0" encoding="GB2312"?>
9~`#aQG T <MenuData ImagesBaseURL="images/">
xwo*kFg <MenuGroup>
bhpaC8| <MenuItem Label="内参信息" URL="Infomation.aspx" >
iN8[^,2H| <MenuGroup ID="BBC">
ZY8.p <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
)!0}<_2 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
I;rW!Hb ......
B0yJ9U= Fj SAq.W"ri 最好将你的aspnetmenu升级到1.2版
8TpYt)]S ((`\i=-o5 21.读取DataGrid控件TextBox值
)&T 5/+ foreach(DataGrid dgi in yourDataGrid.Items)
?u#s ?$ Y? {
K9ia|2f TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
m
Z
+dr[ tb.Text....
EHq;eF }
e'uC:O.u )w4U]inJ$" 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
HlX~a:.7 3:xx:Jt 〖思归〗
o*A, 6y <asp:TemplateColumn HeaderText="数量">
U+'zz#0qN <ItemTemplate>
0&