1. 打开新的窗口并传送参数:
3Ab$ {IwYoR aXa 传送参数:
[]^>QsS(X response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
(o=iX,@'2 $MGd>3%y 接收参数:
Nh-*Gt? string a = Request.QueryString("id");
Vi-@z;k
string b = Request.QueryString("id1");
[0@i,7{ZqE KJSy7F 2.为按钮添加对话框
Wd<}|?R Button1.Attributes.Add("onclick","return confirm(’确认?’)");
9V!K._Cb button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
,%<77LE M#|xj <p 3.删除表格选定记录
Bqj*{m int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
G;+0V0K string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
~vS.D r O-Y E6u 4.删除表格记录警告
@#">~P|Hp private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
H#akE\, {
uBJF}"4ej switch(e.Item.ItemType)
$5O&[/L {
>8-
` case ListItemType.Item :
_JoA=<O! case ListItemType.AlternatingItem :
Yuck]?#0 case ListItemType.EditItem:
7T78S&g TableCell myTableCell;
A":x<9 myTableCell = e.Item.Cells[14];
`R;XN- LinkButton myDeleteButton ;
;[ojwcK[ZF myDeleteButton = (LinkButton)myTableCell.Controls[0];
!;oBvE7Kh myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
7 c7SU^hD break;
GM~jR-FZ default:
::w%rv break;
Ado>)c"*y1 }
!).dc.P wDzS<mm }
s3S73fNOk )VrHP9fu 5.点击表格行链接另一页
I115Rp0 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"
8v {
+bU(-yRy5o //点击表格打开
)JON&~C if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
XZJx3!~fm e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
+(T,d ]o] }
:}cAq/ >~k
Y{_ 双击表格连接到另一页
H6QQ<~_& )Q`<O 在itemDataBind事件中
=s<QN*zJB0 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
c$TBHK;c {
0'",4=c#V string OrderItemID =e.item.cells[1].Text;
4`B:Mq&j ...
*{Vyt5 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
A,@"(3 }
/);6 j,x {Gy_QRsp, 双击表格打开新一页
1l{n`gR if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+ `xp+Q {
DzMk eX string OrderItemID =e.item.cells[1].Text;
Q&7Qht:ea: ...
nLQJ~(" e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
pw
.(6" }
QaV*}W B _ >|Mo/ ★特别注意:【?id=】 处不能为 【?id =】
l!2.)F` x 6.表格超连接列传递参数
TDFv\y}yc <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
y!].l0e2a <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
7}MWmS^8j oUH\SW8? 7.表格点击改变颜色
&x}JC/u]fd if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
E2l. {
08Gr e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
'=5N?) this.style.color=’buttontext’;this.style.cursor=’default’;");
]T1"3
[si }
$vd._j& a&JAF?k 写在DataGrid的_ItemDataBound里
[dUEe@P if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
JT<J[Qz5 {
:Li)]qN.I e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
BehV
:M this.style.color=’buttontext’;this.style.cursor=’default’;");
lB3X1e9 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
D UeT }
&yuerNK ZsE8eD BC^WPr 8.关于日期格式
lsd\ `X5, 3)sqAs( 日期格式设定
9;jfg|x1[ DataFormatString="{0:yyyy-MM-dd}"
-HOCxR LcXrD+
1 我觉得应该在itembound事件中
$%<gp@Gz e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
H!N,PI?rn 3!I8J:GZ: 9.获取错误信息并到指定页面
x!J L9 &,+ZNA`P 不要使用Response.Redirect,而应该使用Server.Transfer
'W)x<Iey1 %rYt; 7B e.g
Mg].# // in global.asax
6%? NNEM protected void Application_Error(Object sender, EventArgs e) {
!eW<4jYB if (Server.GetLastError() is HttpUnhandledException)
a2z o_h2R Server.Transfer("MyErrorPage.aspx");
%(i(ZW " m@ ~HHwj //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
/*[a>B4-q }
CBc}N(9 8w$cj' 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
z&eJ?wb PO#FtG 10.清空Cookie
FU<rE&X2: Cookie.Expires=[DateTime];
ezL*YM8?@ Response.Cookies("UserName").Expires = 0
5<61NnZ _=rXaTp 11.自定义异常处理
,YH.n>`s+ //自定义异常处理类
{)G3*>sG3 using System;
9P]TIV. using System.Diagnostics;
.Xr_BJ _ {\k9%2V*+ namespace MyAppException
&]5<^?3 {
:geXplTx /// <summary>
d(&vIjy /// 从系统异常类ApplicationException继承的应用程序异常处理类。
T]+*}C /// 自动将异常内容记录到Windows NT/2000的应用程序日志
6;VlX,,j /// </summary>
YWTo]DJV public class AppException:System.ApplicationException
McfSB(59 {
m<j ^cU#J public AppException()
\.{?TB {
zMDR1/|D if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
.UJk0%1 }
"5@Y\L wM><DrQ public AppException(string message)
=w8*n2 {
>k:)'* LogEvent(message);
,5q^/h }
t
;[Me0 RD~QNj9,T public AppException(string message,Exception innerException)
z*FlZLHY {
]O 2_&cs LogEvent(message);
T_r[#j if (innerException != null)
*rWE.4=& {
?Hy++ LogEvent(innerException.Message);
B]jh$@ }
r+>9O }
1~j.jv$ c$p1Sovw //日志记录类
thOCzGJ$ using System;
p@P[pzxI using System.Configuration;
X,~8) W using System.Diagnostics;
4}gwMjU-B using System.IO;
Odagaca using System.Text;
am`eist: using System.Threading;
J9/w_,,R$ f}*Xz.[bCp namespace MyEventLog
4((Z8@iX/ {
9~N7hLT /// <summary>
%e_WO,R /// 事件日志记录类,提供事件日志记录支持
-cG?lEh< /// <remarks>
B3K%V|;z
) /// 定义了4个日志记录方法 (error, warning, info, trace)
]SK (cfA` /// </remarks>
e{"d6pF= /// </summary>
lk8VJ~2d public class ApplicationLog
YTY0N5[" {
h1,J<B@ /// <summary>
L&l>?"_ /// 将错误信息记录到Win2000/NT事件日志中
Vb/J` /// <param name="message">需要记录的文本信息</param>
|GIT{_JE /// </summary>
#*w$JH public static void WriteError(String message)
Q&wBX%@^L {
S!rUdxO WriteLog(TraceLevel.Error, message);
3n
X7$$X }
=\`9 \Gd j+ s8V-7( /// <summary>
u6I# D
_ /// 将警告信息记录到Win2000/NT事件日志中
fE7Kv_N-% /// <param name="message">需要记录的文本信息</param>
vG<Mz?wr /// </summary>
rsrv1A=t? public static void WriteWarning(String message)
.3$iOMCH {
jk) U~KGcg WriteLog(TraceLevel.Warning, message);
zS.7O'I<' }
>GqIpfn Ey)ox$ /// <summary>
!m78 /[LW /// 将提示信息记录到Win2000/NT事件日志中
k~Gjfo /// <param name="message">需要记录的文本信息</param>
WMrK8e' /// </summary>
T_pE 'U%[ public static void WriteInfo(String message)
d
d8^V_Kx {
5C/u`{4]Hg WriteLog(TraceLevel.Info, message);
F*}b), }
3<B{-z /// <summary>
)00#Rrt9 /// 将跟踪信息记录到Win2000/NT事件日志中
UGl}=hwKkG /// <param name="message">需要记录的文本信息</param>
E|#'u^`yv /// </summary>
'tF<7\! public static void WriteTrace(String message)
K&Zdk (l) {
mh|M O( WriteLog(TraceLevel.Verbose, message);
H,] D}r }
;b(/PH!O ZN^9w"A /// <summary>
BC&Et62* /// 格式化记录到事件日志的文本信息格式
g~N)~]0{ /// <param name="ex">需要格式化的异常对象</param>
~KEnZa0 /// <param name="catchInfo">异常信息标题字符串.</param>
U edh4qa /// <retvalue>
D,]m7yFT /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
df}B:?Ew. /// </retvalue>
-j<m0XUQ /// </summary>
m_oBV|v{ public static String FormatException(Exception ex, String catchInfo)
=T;%R^@ {
^k~{6S, StringBuilder strBuilder = new StringBuilder();
))u$j4V if (catchInfo != String.Empty)
/ZX8gR5x {
{_PV~8u strBuilder.Append(catchInfo).Append("\r\n");
VAV@Qn }
cND2(<jx: strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Wu%;{y~#} return strBuilder.ToString();
G| ^tqI }
}?"f#bI yU&A[DZQ /// <summary>
90M:0SH /// 实际事件日志写入方法
]oZ$,2#;~ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
h|_G2p^J+" /// <param name="messageText">要记录的文本.</param>
M`AbH19 /// </summary>
1 BVivEG private static void WriteLog(TraceLevel level, String messageText)
;z!~-ByzL {
m&b!\"0 try
.b5B7x} {
Ywlym\
[+ EventLogEntryType LogEntryType;
=v1s@5;~ switch (level)
R>#T{<<L {
t:$p8qR case TraceLevel.Error:
t4h5R LogEntryType = EventLogEntryType.Error;
1,BtOzuRo break;
QZ%_hvY[%> case TraceLevel.Warning:
yP~D." LogEntryType = EventLogEntryType.Warning;
#2|sS|0 < break;
G`gYwgU; case TraceLevel.Info:
sg{>-KHM LogEntryType = EventLogEntryType.Information;
P !6r`d break;
[R6du*P case TraceLevel.Verbose:
i7:j(W^I8 LogEntryType = EventLogEntryType.SuccessAudit;
]'MLy#9 break;
^P(HX default:
{H"xC~. LogEntryType = EventLogEntryType.SuccessAudit;
mbSJ}3c" break;
J1&G1\G|s= }
%;9wToyK> RwN*/Li EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
bQEQHqY5 //写入事件日志
866n{lyL eventLog.WriteEntry(messageText, LogEntryType);
rn U2EL MvJEX8M }
X2T)]`@ catch {} //忽略任何异常
5>"-lB & }
f`P%aX'cBQ } //class ApplicationLog
DYbkw4Z, }
&\`=}hB 0|HD(d`a 12.Panel 横向滚动,纵向自动扩展
qzsS"=5 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
pOpie5)7X ^=FtF9v 13.回车转换成Tab
[P,1UO|$B <script language="javascript" for="document" event="onkeydown">
;&?NuK if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
<wc=SMmO event.keyCode=9;
?,TON5Fl- </script>
jats)!: 9Jaek_A` onkeydown="if(event.keyCode==13) event.keyCode=9"
X{<j%PdC d|w%F= 14.DataGrid超级连接列
zT`LPs6T DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
K%$%9y xsV(xk4 15.DataGrid行随鼠标变色
$yHlkd`Y private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Ga"$_DyM {
5}E8Tl if (e.Item.ItemType!=ListItemType.Header)
k g0Z(T:&8 {
'l!tQD! e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
p 8Ts5n e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
%)u5A!" }
\c_1uDRoUn }
ZSU;>&>%v SPn0D9b] 16.模板列
g_5:o
3s <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
+mYD
DlvI <ITEMTEMPLATE>
N@)tU;U3O <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
zf4@:GM` </ITEMTEMPLATE>
`4gm'C </ASP:TEMPLATECOLUMN>
}`\+_@w ;HgV(d#X <ASP:TEMPLATECOLUMN headertext="选中">
owJPEx <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
O. V!L <ITEMTEMPLATE>
O5LB&s <ASP:CHECKBOX id="chkExport" runat="server" />
[D^KM|I%+ </ITEMTEMPLATE>
(KK9/k <EDITITEMTEMPLATE>
KPs5? X <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
jx+%X\zokA </EDITITEMTEMPLATE>
A#f@0W: </ASP:TEMPLATECOLUMN>
Tr-gdX ; )1Z*kY?f! 后台代码
+}J2\!Jw protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
w-"o?;)a {
%, XyhS5[o //改变列的选定,实现全选或全不选。
[x'xbQLGd CheckBox chkExport ;
vB#&XK.aW if( CheckAll.Checked)
Ud\Jc:DG {
WpWnwQY`# foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
w f,7 {
eICk}gfun chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
m("!
M~1 chkExport.Checked = true;
ZBB^?FF }
bWW$_Spr }
qWfG@hn else
k]] (I<2 {
F]q pDv foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
&zynfj#o {
U(3{6^>Gc chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
GBGGV#_q'} chkExport.Checked = false;
?Xx,[Z& }
(sq4 }
??CtmH }
H"N
o{|^< 0~<d<a -@ 17.数字格式化
w q% 4'( a#nVRPU8m 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
A_muuOIcI <%#Container.DataItem("price","{0:¥#,##0.00}")%>
YJ'h=!p}G Sdy\s5 int i=123456;
+3(1QgYM% string s=i.ToString("###,###.00");
KE]!7+8- {*r*+}@ 18.日期格式化
`Jq
?+W tq8B)<(] 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
2a3hm8%U SYOND>E 显示为: 2004-8-11 19:44:28
ik=~`3Zp0 S ])Ap'E 我只想要:2004-8-11 】
D ?1$I0 = <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
xVao3+r #Wey)DI 应该如何改?
b?hdWQSW7 7q<I7Wt 【格式化日期】
QU2\gAM np}F [v 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
T9osueh4 %`t;5kmR 【日期的验证表达式】
}H&NR?Ax TartV3;` A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
(`>RwooE ^((\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})))?$
%K@D{)r_^ G9TK)Nz B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
2M3.xUS ^\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]))$
++W_4 B! Dt0S"`^=k 【大小写转换】
t|jX%s= HttpUtility.HtmlEncode(string);
Uvgv<OR`_ HttpUtility.HtmlDecode(string)
5P9hm[ c{Nk"gEfRA 19.如何设定全局变量
<.s=)}'`P a;|C51GH Global.asax中
jhr{JApbJv :vz_f$= Application_Start()事件中
.Wv2aJq <03 @c s 添加Application[属性名] = xxx;
?g+0S@{i $ 8l-+
4~mH 就是你的全局变量
j(HC^\Hi (D]l/akP 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Q/o!&& Z"<aS&GH HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
j(F&*aH78 Yv\.QrxPm 【ASPNETMENU】点击菜单项弹出新窗口
awQf$ .?UK`O2Q 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
<i``#"/ <?xml version="1.0" encoding="GB2312"?>
3P-qLbJ <MenuData ImagesBaseURL="images/">
h7c8K)ntnf <MenuGroup>
X3vTyIsn <MenuItem Label="内参信息" URL="Infomation.aspx" >
uvz}qH@j/Q <MenuGroup ID="BBC">
V'sp6:3*\ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
??5qR8n. <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
g^OU+7o ......
8aQ\Yx B<i)je! 最好将你的aspnetmenu升级到1.2版
8 !]$ljg
)T/"QF}<T 21.读取DataGrid控件TextBox值
{y0#(8-& foreach(DataGrid dgi in yourDataGrid.Items)
p:U9#(v) {
=PWh,lWS TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Z;M]^? tb.Text....
:j)H;@[I }
S^?
@vj ?}\aG3_4 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
|q"WJQ c+c3C8s*8 〖思归〗
-H5n>j0!{ <asp:TemplateColumn HeaderText="数量">
Wu(6FQ`H <ItemTemplate>
-&I%=0q <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
w-*$gk] onkeyup="javascript:DoCal()"
^UHt1[ />
*9M 5' 'L4@|c~x <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
9`yG[OA </ItemTemplate>
i,=greA]" </asp:TemplateColumn>
t$^1A1Ef Z[<rz6%cB <asp:TemplateColumn HeaderText="单价">
,rVm81-2 <ItemTemplate>
gq~>S1 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Sr Z\] onkeyup="javascript:DoCal()"
iK8aj)%Q@ />
"v@$CR9<T `VX]vumG <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
>MZWm6M8 ac%%*HN, </ItemTemplate>
o<ak&LX`9 </asp:TemplateColumn>
e0Cr> I5/e mk.:V64 >; <asp:TemplateColumn HeaderText="金额">
+a_eNl, <ItemTemplate>
":E
7#9 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
:M)B#@ c= </ItemTemplate>
/{Ksi+q </asp:TemplateColumn><script language="javascript">
.q$HL t function DoCal()
*ci,;-*C {
w|!>>W6J var e = event.srcElement;
12BTZ var row = e.parentNode.parentNode;
0j\?zt? var txts = row.all.tags("INPUT");
Se7NF@>9_ if (!txts.length || txts.length < 3)
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2H>B} Ex2TV7I 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
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