1. 打开新的窗口并传送参数:
;dUKFdKH} b)'CP Cu* 传送参数:
FulFEnSV response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
A{q%sp:3~ ,on]Fts 接收参数:
C5V}L string a = Request.QueryString("id");
Z qn$ >mG- string b = Request.QueryString("id1");
7P3pjgh N\__a~'0p 2.为按钮添加对话框
}~zDcj_ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
qI7KWUR button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
j
H2)8~P -(?/95 Y 3.删除表格选定记录
@-[}pZ/ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
9#U]?^DJ@ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
})^eaLBR4 5]I)qij
q 4.删除表格记录警告
WeRDaG private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
;=0mL, {
W;I{4ed6 switch(e.Item.ItemType)
F_:zR,P%# {
X,VI5$ case ListItemType.Item :
(n7xYGfYS case ListItemType.AlternatingItem :
8%B_nVc case ListItemType.EditItem:
9R8q+2
TableCell myTableCell;
4!{lySW myTableCell = e.Item.Cells[14];
;iX~3[] LinkButton myDeleteButton ;
B,%6sa~I myDeleteButton = (LinkButton)myTableCell.Controls[0];
2fr%_GNu myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
h +B7BjA>G break;
*d=}HO/ default:
^yB]_*WJ break;
D%o(HS\E }
x+4K ,r; 7<]&pSt= }
%OgK{h i
kfJ! f 5.点击表格行链接另一页
W8^A{l4 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
&T, ,fz$ {
I1>f2/$z* //点击表格打开
G 0pq'7B if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-(TC' e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
4dFr~ { }
.Xp,|T ZPw4S2yw3. 双击表格连接到另一页
c\o_U9=n WMC^G2 n 在itemDataBind事件中
3G4WKg.^ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1W>/4l {
_@>*]g string OrderItemID =e.item.cells[1].Text;
j}.gK6Yq* ...
Uzvd*>mv e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
el5Pe{j' }
^V; r %!Eh9C* 双击表格打开新一页
5lHt~hB\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
a({Rb?b {
wwdmz;0S string OrderItemID =e.item.cells[1].Text;
kIS )*_ ...
_-RqkRI e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
9U<WR*H }
S>x@9$( ym "vybVWEE ★特别注意:【?id=】 处不能为 【?id =】
&M@ .d$<C 6.表格超连接列传递参数
|GQq:MB;z <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
!b!An; ', <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
BTr
oe=R bTeuOpp 7.表格点击改变颜色
(ww4( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
KB~[nZs7 {
C{*? e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
b&`~%f- this.style.color=’buttontext’;this.style.cursor=’default’;");
>(H:eRKq }
Y_n/rD> m_Hg!Lg 写在DataGrid的_ItemDataBound里
:a&M]+! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
]g$ky.; {
hd'QMr[; e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
y g(Na this.style.color=’buttontext’;this.style.cursor=’default’;");
Ynf "g#( e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
LkYcFD }
a K6dy\ a7_Q8iMe am/}V%^ 8.关于日期格式
.a2R2~35 (^B1Kt!< 日期格式设定
prS%lg>
DataFormatString="{0:yyyy-MM-dd}"
/Hk})o_ Pn4.gabE 我觉得应该在itembound事件中
z@IG"D e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
g5 *E\T%8 P51c Ehf 9.获取错误信息并到指定页面
FYik}wH] >yn?@ve@ 不要使用Response.Redirect,而应该使用Server.Transfer
5,XEN$^ *.w6 =} e.g
a+z>pV| // in global.asax
p\_3g!G' protected void Application_Error(Object sender, EventArgs e) {
2|ee` "` if (Server.GetLastError() is HttpUnhandledException)
X n0HJ^"_ Server.Transfer("MyErrorPage.aspx");
xp:I( z<t2yh(DF //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
V8F!o }
Oq<3&* !8|r$mN8 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
bhRa?wuoY R $<{"b 10.清空Cookie
!2AD/dtt Cookie.Expires=[DateTime];
;ja~Q .}4 Response.Cookies("UserName").Expires = 0
oD2! [& ?XVE{N 11.自定义异常处理
rJf{YUZe //自定义异常处理类
a++gwl using System;
V+sZ;$ using System.Diagnostics;
nO6UlY 2va[= >_ namespace MyAppException
FiReb3zR {
A1B[5a*o! /// <summary>
=zAFsRoD_B /// 从系统异常类ApplicationException继承的应用程序异常处理类。
?8grK /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ecl6>PS$' /// </summary>
)$Ib6tYY public class AppException:System.ApplicationException
]Y$Wv9S6 {
nO`[C=| public AppException()
^WWr8- {
s +S6'g-- if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
>9nVR }
of7'?]w ~g[D!HV|yu public AppException(string message)
|a[ "
^
2 {
A-vYy1,' LogEvent(message);
sDgo G }
#bGYHN #r>)A public AppException(string message,Exception innerException)
C4X3;l Z%S {
+{6:] LogEvent(message);
Z1W%fT if (innerException != null)
VZamR}x {
dXn$XGF%R LogEvent(innerException.Message);
-k>k<bDAI }
qe1>UfY }
NV{= tAR xZq, kP^ //日志记录类
?gU-a using System;
Tl_o+jj using System.Configuration;
#.]W>hN8\ using System.Diagnostics;
x=K'Jj using System.IO;
a]V#mF |{ using System.Text;
`mZ1!I-T using System.Threading;
k<fR)o t,w/L*r+w namespace MyEventLog
v8uUv%Hkd {
OPq6)(Q /// <summary>
F-~Xbz% /// 事件日志记录类,提供事件日志记录支持
&% (1?\~u /// <remarks>
WzdlrkD /// 定义了4个日志记录方法 (error, warning, info, trace)
Eos;7$u[ /// </remarks>
CucW84H`J /// </summary>
@!x7jPr public class ApplicationLog
fk2Uxg=[ {
A&KY7[<AC{ /// <summary>
?<0'h{z Ny /// 将错误信息记录到Win2000/NT事件日志中
3M^`6W[; /// <param name="message">需要记录的文本信息</param>
ze+S_{ /// </summary>
=fy.'+ public static void WriteError(String message)
]t17= Lr? {
^LSD_R^N WriteLog(TraceLevel.Error, message);
\ X6y".|- }
zuJ` 704 b5|l8<\ /// <summary>
[m
x}n+~ /// 将警告信息记录到Win2000/NT事件日志中
`yhc,5M /// <param name="message">需要记录的文本信息</param>
][OkydE /// </summary>
+K=RM qM-8 public static void WriteWarning(String message)
jt @2S {
BlqfST#6 WriteLog(TraceLevel.Warning, message);
^^xzaF }
oe9S$C;$' URh5ajoR% /// <summary>
)i-`AJK-'v /// 将提示信息记录到Win2000/NT事件日志中
%<q"&]e, /// <param name="message">需要记录的文本信息</param>
)5<dmK@ /// </summary>
Vz5<Gr public static void WriteInfo(String message)
DAN"&& {
nu|?F\o! WriteLog(TraceLevel.Info, message);
3WfZ zb+ }
Y8mv[+Z /// <summary>
u7p:6W /// 将跟踪信息记录到Win2000/NT事件日志中
2<2a3'pG /// <param name="message">需要记录的文本信息</param>
Np~qtR /// </summary>
h^K>(x public static void WriteTrace(String message)
X5tV Xd {
Df1eHa5-7 WriteLog(TraceLevel.Verbose, message);
zcEpywNP }
-x/g+T- ~F~hgVS5 /// <summary>
F zBny[F /// 格式化记录到事件日志的文本信息格式
,b+Hy`t /// <param name="ex">需要格式化的异常对象</param>
,5sv; /// <param name="catchInfo">异常信息标题字符串.</param>
{5fq4AA6 /// <retvalue>
noT}NX% /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
iVqF]2> /// </retvalue>
a}Jy o!. /// </summary>
KA`)dMWL public static String FormatException(Exception ex, String catchInfo)
%
e70*; {
$i
`@0+: StringBuilder strBuilder = new StringBuilder();
+hWeN&A if (catchInfo != String.Empty)
xJvalb {
wz'in strBuilder.Append(catchInfo).Append("\r\n");
l4^8$@;s }
,6U=F#z strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
hn/SS return strBuilder.ToString();
?H!X
p }
t6+>Zr :~,akX$ /// <summary>
k"FY
&;G(G /// 实际事件日志写入方法
Lr>4~1:` /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
{
lZ<'p /// <param name="messageText">要记录的文本.</param>
1T3YFt@&I /// </summary>
XoiZ"zE private static void WriteLog(TraceLevel level, String messageText)
nm,Tng
oj {
#|e5i9l*B try
pq5bK0NQ {
JDMsco+j5 EventLogEntryType LogEntryType;
+d6Jrd* switch (level)
sy9Yd PPE {
Y9(BxDP_+Y case TraceLevel.Error:
Yr:$)ap LogEntryType = EventLogEntryType.Error;
*-_joAWTG break;
IG@@CH case TraceLevel.Warning:
|VoYFoiQ LogEntryType = EventLogEntryType.Warning;
=u&NdMy break;
W!Rr_'yFe) case TraceLevel.Info:
7.v{ =UP LogEntryType = EventLogEntryType.Information;
~H gN'#Y? break;
`VOLw*Ci case TraceLevel.Verbose:
]JHY(H2| LogEntryType = EventLogEntryType.SuccessAudit;
"6 break;
dU"C=c(w\ default:
z;i4F.p LogEntryType = EventLogEntryType.SuccessAudit;
x\(yjNZH break;
TGPHjSZ1 }
\cq.M/p q/YO5>s15 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
=0mGfTc //写入事件日志
o Bp.|8- eventLog.WriteEntry(messageText, LogEntryType);
5 s2/YG= >5]w\^QN9_ }
"[]J[!}x catch {} //忽略任何异常
%6<2~ }
*FoPs } //class ApplicationLog
A}n5dg0u }
AwGDy + j: B,K.: 12.Panel 横向滚动,纵向自动扩展
2HvzMo-4 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
1 ^=[k 4=n%<U`Z/ 13.回车转换成Tab
27jZ~Bp$ <script language="javascript" for="document" event="onkeydown">
0 :1ldU
4 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
L`Q9-#Y event.keyCode=9;
`r8bBzr@% </script>
8 K>Ejr }=."X8zOI8 onkeydown="if(event.keyCode==13) event.keyCode=9"
jLf8 7 15~+Ga4 14.DataGrid超级连接列
4?&CK DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
S{ !m})1? &28n1 15.DataGrid行随鼠标变色
A,#hYi=-, private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
zn{[]J {
Tn3f5ka' if (e.Item.ItemType!=ListItemType.Header)
su]ywVoRT {
(wsvj61 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
j~Xn\~*n e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
4&LoE~ }
x@>^ c:-f }
O/R>&8R$ y0XI?Wr 16.模板列
]^\+B4 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
$JXQn <ITEMTEMPLATE>
mJ5LRpXN <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
,o j\=2 </ITEMTEMPLATE>
u~d&<_Z </ASP:TEMPLATECOLUMN>
DK;/eZe /waZ9 <ASP:TEMPLATECOLUMN headertext="选中">
[?`c> <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
'}wYSG- <ITEMTEMPLATE>
?`O Dt]s <ASP:CHECKBOX id="chkExport" runat="server" />
IsCJdgG </ITEMTEMPLATE>
EMejvPnZO
<EDITITEMTEMPLATE>
$$G^#t1=XZ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
"ae55ft// </EDITITEMTEMPLATE>
yo0?QRT </ASP:TEMPLATECOLUMN>
_j2h3lCT !P26$US%P 后台代码
rJm%qSZz protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
{ n%U2LVL {
Qmh*Gh?v //改变列的选定,实现全选或全不选。
wbId}! CheckBox chkExport ;
WH$
Ls(' if( CheckAll.Checked)
oYN# T=Xi
{
62LQUl]< foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*ha9Vq@X {
>KXT2+w chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
v)2@;Q chkExport.Checked = true;
bqg\V8h }
\:?H_^^d }
G1'w50Yu else
a[8_O- {
-Q8pWtt foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
",rA {
'[#uf/~W chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
7iKbd chkExport.Checked = false;
XfT6,h7vFL }
L3~E*\cV }
.ODtduURe }
=;$&:Zjy/% kB]|4CG{ 17.数字格式化
n%<.,(.(S zj;y`ENj 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
F<w/@.&m <%#Container.DataItem("price","{0:¥#,##0.00}")%>
&,&oTd. i9M6%R1m}E int i=123456;
m%E7V{t string s=i.ToString("###,###.00");
,O(XNA(C U%45qCU 18.日期格式化
8`qw1dF ()>\D 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
EX&y
! 8YN+
\ 显示为: 2004-8-11 19:44:28
cY>;( x@ Ec6{?\ 我只想要:2004-8-11 】
%3VwCuE <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
[*>@hx RGtUKr' 应该如何改?
T
"G! H m x,X!} 【格式化日期】
.[Sv|;x"E 9AL\6@<a* 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
)-a_,3x%j C>;yW7*g" 【日期的验证表达式】
r% '2a+}D 5#f&WL*U@ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
D#m+w ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
D0k7)\puQ D1O7S]j B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
+-~;?wA ^\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]))$
m9xu$z|e >k\*NW 【大小写转换】
f3l >26 HttpUtility.HtmlEncode(string);
XLbrE|0A? HttpUtility.HtmlDecode(string)
SqTm/ t
3nK'yC 19.如何设定全局变量
);|~4# [bT@Y:X@` Global.asax中
<qRw!
'S^ `g :<$3} Application_Start()事件中
u%[*;@;9+ jv|IV 添加Application[属性名] = xxx;
kxUGd)S rjR 就是你的全局变量
{Ue6DK% "msg./iC 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
kb7\qH!n [bOy,^@4 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
>PGm} s_ |_=jXf\TL 【ASPNETMENU】点击菜单项弹出新窗口
zPkg3H W'0wT ZG 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
oC[wYUDg <?xml version="1.0" encoding="GB2312"?>
Yu1xJgl <MenuData ImagesBaseURL="images/">
:6M0`V;L <MenuGroup>
Y]gt86 <MenuItem Label="内参信息" URL="Infomation.aspx" >
*,n7& <MenuGroup ID="BBC">
cq9Q7<&MF <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
1k/l7&n" <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
dnaf>G3 ......
z!L0j+ !7^He3 最好将你的aspnetmenu升级到1.2版
;5% &q6&a UZAWh R 21.读取DataGrid控件TextBox值
Dk"M8_-_ foreach(DataGrid dgi in yourDataGrid.Items)
1[Mr2 @ {
s{:
Mu~v TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
g*tLqV tb.Text....
_fyw }
<?J7Z| 9H)uTyuNi 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
7:p]~eM) c,~44Z 〖思归〗
J/=A f
[ <asp:TemplateColumn HeaderText="数量">
]Ns&`Yn{ <ItemTemplate>
Vut.oB$
~ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
BA>0
+ onkeyup="javascript:DoCal()"
Q)}\4&4 />
n[WeN NU 0F~9t! <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
QNtr = </ItemTemplate>
)
k2NF="o </asp:TemplateColumn>
s,29_z7 Q.]
)yqX6 <asp:TemplateColumn HeaderText="单价">
'OihA^e <ItemTemplate>
V_1# 7 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
RtW5U8 onkeyup="javascript:DoCal()"
.>nd@oU />
$tKATL* :cEe4a
<asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
SBoF(0< ?^!dLW </ItemTemplate>
m{5$4v,[ </asp:TemplateColumn>
\9?<E[ A_fU7'B <asp:TemplateColumn HeaderText="金额">
QO>*3,(H,q <ItemTemplate>
1c4%g-]7 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Iw:("A&~ </ItemTemplate>
C/vLEpP{(/ </asp:TemplateColumn><script language="javascript">
&e)p6Egl function DoCal()
,Df36-74v5 {
F@lpjW var e = event.srcElement;
UKBMGzu2: var row = e.parentNode.parentNode;
1G;Ns] u var txts = row.all.tags("INPUT");
R
_Y&Y- if (!txts.length || txts.length < 3)
5q#|sVT7R return;
yk)j;i4@ 4Qo1f5>N var q = txts[txts.length-3].value;
B<&_lG0s