1. 打开新的窗口并传送参数:
+o7Np|Ou SC6cFyp2 传送参数:
FsdxLMwk1 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
*'&mcEpg Rz_fNlA 接收参数:
JDA :)[; string a = Request.QueryString("id");
S_EN,2'e string b = Request.QueryString("id1");
Nt^9N
#+N n fU\l< 2.为按钮添加对话框
B}y`E
< Button1.Attributes.Add("onclick","return confirm(’确认?’)");
!J@!P?0. C button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
?!$uMKyt >lg-j-pV 3.删除表格选定记录
v2tKk^6`(i int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
wf[B -2q) string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
8H})Dq%d 7 FBCi,_
\4 4.删除表格记录警告
,b/qcu_|- private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Q\ AM]
U {
D3BNA]P\2@ switch(e.Item.ItemType)
=5QP'Qt{O {
6JYVC>i case ListItemType.Item :
dLq)Z*r case ListItemType.AlternatingItem :
l0%qj(4`6& case ListItemType.EditItem:
2G9sKg,kL TableCell myTableCell;
?h*Ngbj> myTableCell = e.Item.Cells[14];
LQs>[3rK LinkButton myDeleteButton ;
&&\HE7* myDeleteButton = (LinkButton)myTableCell.Controls[0];
O=Cz*j myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
'Lb-+X, break;
Hi{1C"% default:
(E.,kcAJ break;
OE4hGxG }
Q#}
0pq Cb5Rr+K= }
6zfi\(fop )`sEdVxbr 5.点击表格行链接另一页
`l0&,] private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
i{9_C/ {
_ 3l ci //点击表格打开
,%zU5 hh if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
nn0`A3 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
:"pA0oB }
,iQRf@#W_b p[zKc2 TPk 双击表格连接到另一页
?k*%r;e> =d{B.BP( 在itemDataBind事件中
9
Z5!3 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^lp#j;Df {
nhm)P_p string OrderItemID =e.item.cells[1].Text;
e[(XR_EY ...
mEUdJvSG( e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
rrSs Qq }
(<"uV%1 S3G9/ 双击表格打开新一页
jM'kY|<g; if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
c9 c_7g'q- {
>)&]Ss5J string OrderItemID =e.item.cells[1].Text;
S-$N! G~! ...
:E>"z6H e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
\:To>A32 }
v9<'nU WVR 0E5"}8 ★特别注意:【?id=】 处不能为 【?id =】
2;z~xR 6.表格超连接列传递参数
E W{vF| <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
zP8a=Iv <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
nSM8o<)H %rmn+L),; 7.表格点击改变颜色
U>,E]' if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ka^sOC+Y {
p:GB"e9>H e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
oVK3=m@{ this.style.color=’buttontext’;this.style.cursor=’default’;");
srh>"
2." }
nI_43rG:Uf QQnpy.`:/ 写在DataGrid的_ItemDataBound里
^Pq4 n%x if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
f[AN=M"B"s {
;9+[t8Y)D e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
d=q&%gqN this.style.color=’buttontext’;this.style.cursor=’default’;");
M_+"RKp e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
{c;][>l }
r?w^#V i1OF@~? E=-ed9({: 8.关于日期格式
KXQ &u{[< 7j
]d{lD 日期格式设定
+4N7 _Y DataFormatString="{0:yyyy-MM-dd}"
t8}R?%u r\+0J` 我觉得应该在itembound事件中
VDyQv^=# e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
k`5jy~; NM`5hd{ 9.获取错误信息并到指定页面
:oYz=c h2b,( 不要使用Response.Redirect,而应该使用Server.Transfer
zXop@"(e biBo?k;4 e.g
,#u"$Hz8p // in global.asax
_DlX F protected void Application_Error(Object sender, EventArgs e) {
>;$C@ if (Server.GetLastError() is HttpUnhandledException)
cILI%W1 Server.Transfer("MyErrorPage.aspx");
A*$JF>`7 Mj
guH5Uy //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
JBYmy_Su }
zmw <y2` iB]xYfQ&@V 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
lhx"<kR4 ;77#$H8) 10.清空Cookie
X3bPBv Cookie.Expires=[DateTime];
U/W<Sa\` Response.Cookies("UserName").Expires = 0
Hd/|f; ;V=Y#|o 11.自定义异常处理
z^ai * //自定义异常处理类
b6mSPH@ using System;
>o]!-46 using System.Diagnostics;
j.?c~Fh al<;*n{/ namespace MyAppException
= 02$Dwr {
B=>VP-: /// <summary>
V>$A\AWw /// 从系统异常类ApplicationException继承的应用程序异常处理类。
?F^$4: /// 自动将异常内容记录到Windows NT/2000的应用程序日志
WS!:w'rzr /// </summary>
fI_I0dc.p public class AppException:System.ApplicationException
z frEM {
<Z nVWER public AppException()
L[|($vQ" {
va`/Dp)M if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
M/O
Y
"eL }
uuD|%-Ng DFk0"+Ky public AppException(string message)
7CK3t/3D {
B$Z%_j& LogEvent(message);
isG8S(}IW& }
Q1b<=, 4R(H@p%+r2 public AppException(string message,Exception innerException)
1I=>0c {
2@A%;f0Q LogEvent(message);
t-gLh(-. if (innerException != null)
u6B,V {
o4^|n1vN LogEvent(innerException.Message);
DR%16y<h }
WRBCNra }
DV8b<) +2KYtyI //日志记录类
s U|\? pJ using System;
^n @dC? using System.Configuration;
5~pQ$- using System.Diagnostics;
1 +0-VRl using System.IO;
eTeZ^G using System.Text;
ef Moi 'v using System.Threading;
nT;Rwz$3 **D3.-0u& namespace MyEventLog
NMM$
m!zg {
UdiogXZ /// <summary>
,:E*Mw: /// 事件日志记录类,提供事件日志记录支持
\~(scz$ /// <remarks>
mSg{0_: /// 定义了4个日志记录方法 (error, warning, info, trace)
"CX@a" /// </remarks>
uZg[PS=@!X /// </summary>
\[>Ob public class ApplicationLog
mBrH`! {
@U 6jd4?) /// <summary>
+sW;p?K7eO /// 将错误信息记录到Win2000/NT事件日志中
e}PJN6"5
/// <param name="message">需要记录的文本信息</param>
*%nV<}e^_= /// </summary>
xpO'.xEs public static void WriteError(String message)
TEzMFu+V {
PXx:JZsju WriteLog(TraceLevel.Error, message);
&(Yv&jX }
!jySID?q ZNKopA(=|% /// <summary>
[J{M'+a /// 将警告信息记录到Win2000/NT事件日志中
zAZ+'9LB /// <param name="message">需要记录的文本信息</param>
' 1 }ybSG /// </summary>
ev{;}2~V public static void WriteWarning(String message)
k(]R;`f$W {
n&n WY+GEo WriteLog(TraceLevel.Warning, message);
j6JK4{ }
.:b&$~< Fhk 8 /// <summary>
>iKbn /// 将提示信息记录到Win2000/NT事件日志中
O7Z?y* /// <param name="message">需要记录的文本信息</param>
Nuebxd /// </summary>
)Z" public static void WriteInfo(String message)
zUIh^hbFf {
t++
a WriteLog(TraceLevel.Info, message);
5Y3L }
N|N#- /// <summary>
s2X<b
` /// 将跟踪信息记录到Win2000/NT事件日志中
UyUz_6J /// <param name="message">需要记录的文本信息</param>
+wHrS}I#g /// </summary>
%3:[0o={d public static void WriteTrace(String message)
J-k/#A4o {
MmbS["A WriteLog(TraceLevel.Verbose, message);
Y6Mp[= }
!1b4q/ 5fT"`FL? /// <summary>
MB!_G[R
/// 格式化记录到事件日志的文本信息格式
[wO|P{8\" /// <param name="ex">需要格式化的异常对象</param>
blk4@pg /// <param name="catchInfo">异常信息标题字符串.</param>
u^ 3,~:E /// <retvalue>
JQ~[$OGH /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
6z'3e\x /// </retvalue>
SZ&I4- /// </summary>
y"L7.B public static String FormatException(Exception ex, String catchInfo)
og~Uv"&?T {
0# d:<+4D StringBuilder strBuilder = new StringBuilder();
l(<=JUO; if (catchInfo != String.Empty)
6 6%_p]U {
h3`\L4b strBuilder.Append(catchInfo).Append("\r\n");
=>LQW;Sjz }
E5+-N strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
j(>~:9I` return strBuilder.ToString();
|b+ZKRW }
!!\x]$v }|j\QjH /// <summary>
_-R&A@ /// 实际事件日志写入方法
JnY.]: /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
KB$SB25m /// <param name="messageText">要记录的文本.</param>
6]^~yby P
/// </summary>
Pe,:FIp, private static void WriteLog(TraceLevel level, String messageText)
0|=,!sY {
`:Bm@eN try
7/969h^s {
SmUj8?6" EventLogEntryType LogEntryType;
!LX) switch (level)
$[xS>iuD {
r1A<XP|1?I case TraceLevel.Error:
49Q
tfk LogEntryType = EventLogEntryType.Error;
QUO'{;, break;
Yf?hl case TraceLevel.Warning:
csd~)a nb LogEntryType = EventLogEntryType.Warning;
S11ME break;
v[+ ] case TraceLevel.Info:
6>Z)w}x^ LogEntryType = EventLogEntryType.Information;
np6R\Q!& break;
;ipT0*Y case TraceLevel.Verbose:
#WlTE& LogEntryType = EventLogEntryType.SuccessAudit;
WZQ
EBXs break;
6g-Q default:
(~
`?_ LogEntryType = EventLogEntryType.SuccessAudit;
Jmml2?V-c break;
!zZ3F|+HB }
8 t5o&8v t[4V1: EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
$l=& //写入事件日志
C)?tf[!_6 eventLog.WriteEntry(messageText, LogEntryType);
Rh,a4n?W 'o]kOp@q }
Q`m9I catch {} //忽略任何异常
8svN*`[ }
nXT/zfS } //class ApplicationLog
Fxx-2(U }
_H"_&m$aDm ! NJGW 12.Panel 横向滚动,纵向自动扩展
](^FGz <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Py\/p Fvg 5fy{! 13.回车转换成Tab
a$3 ]` <script language="javascript" for="document" event="onkeydown">
quS]26wQz if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
i1 c[Gk.o event.keyCode=9;
y9U~4 </script>
T m2+/qO, *z^Au7,& onkeydown="if(event.keyCode==13) event.keyCode=9"
Pa'N)s< SmUiH9qNd, 14.DataGrid超级连接列
i3cMRcS; DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
K!8l!FFl pf&U$oR4 15.DataGrid行随鼠标变色
N%S|Ey@f private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
bPIo9clq {
9
^=kt 2[ if (e.Item.ItemType!=ListItemType.Header)
8Oa+,?<0x {
@<yY Mo7 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
.I]EP- e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
%<|cWYM="z }
32Wa{LG;2 }
7NkMr8[}F LbuhKL}VN 16.模板列
<tW/9}@p9 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
sB!6"D5 <ITEMTEMPLATE>
:<v@xOzxx <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
YIF|8b\ </ITEMTEMPLATE>
]*D~>q"#\ </ASP:TEMPLATECOLUMN>
3G'cDemc M5P3; <ASP:TEMPLATECOLUMN headertext="选中">
81!gp7c <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
t$b5,"G1 <ITEMTEMPLATE>
nG$+9}\UlP <ASP:CHECKBOX id="chkExport" runat="server" />
<Ira~N </ITEMTEMPLATE>
to?={@$] <EDITITEMTEMPLATE>
3bT?4 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
r::0\{{r"p </EDITITEMTEMPLATE>
[OS&eK 8 </ASP:TEMPLATECOLUMN>
T%A"E,# S0ReT*I 后台代码
OVE?;x>n/1 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
rP#&WSLVj {
hcz!f //改变列的选定,实现全选或全不选。
`O!yt CheckBox chkExport ;
S263h(H if( CheckAll.Checked)
Gr'|nR8 {
PbfgWGr foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
U?ZWDr"*`w {
E)|Bl> chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
fOdX2{7m chkExport.Checked = true;
o wwWm1@ }
5lyHg{iqD }
%~M#3Ywa else
]G^9PZ- {
\(}pm#O foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.EC~o {
Y?-Ef
sK chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
{"*_++| chkExport.Checked = false;
pb G5y7 }
j=c< Lo` }
$W9dUR0 }
a*t>Ks'C LYiIJAZ. 17.数字格式化
D~M*]& ^>^h|$ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
0U !&|i\ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
-j@IDd7 ^])s\a$ int i=123456;
\odns string s=i.ToString("###,###.00");
0<##8m@F8 'Er\68 18.日期格式化
wh!8\9{g ZZ/k7(8 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Y~w1_>b :
@$5M 显示为: 2004-8-11 19:44:28
$LG.rJ/* ENI|e,'[ 我只想要:2004-8-11 】
.HRd6O; <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
iBmvy7S? 8"A0@fNz 应该如何改?
+11 oVW v^;vH$B 【格式化日期】
..w$p-1 "
t?44[ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Hz=s)6$ey *?VB/yO=0 【日期的验证表达式】
~6+Um_A_L QU(Lv(/O A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
b`ksTO`}x ^((\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})))?$
-:~z,F qIB2eCXw B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
,1]VY/ ^\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]))$
\FF|b"E_= ",' Zr<T 【大小写转换】
V;Q@'<w HttpUtility.HtmlEncode(string);
Wys$#pJ HttpUtility.HtmlDecode(string)
#4!f/dWJp rV2>;FG 19.如何设定全局变量
foB&H;A4oC m)]|mYjju Global.asax中
)@] W= Pn L?zae Application_Start()事件中
[z6P]eC7 :Zo^Uc:*w 添加Application[属性名] = xxx;
b<[]z, eR/X9< 就是你的全局变量
,b?G]WQrHs :a:m>S<~ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
AS0mMHJk rB|4 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
jo<Gf 5 6/vMK<Fz9 【ASPNETMENU】点击菜单项弹出新窗口
!& >LLZ 'Mhnu2d 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
/||8j.Tm <?xml version="1.0" encoding="GB2312"?>
>h~>7i(A <MenuData ImagesBaseURL="images/">
{hm-0Q <MenuGroup>
SpOSUpl% <MenuItem Label="内参信息" URL="Infomation.aspx" >
%e_){28 n <MenuGroup ID="BBC">
Mc,p]{<<AV <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
db}lN <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
2vddx<& ......
lwo,D} wRq
f' 最好将你的aspnetmenu升级到1.2版
>SS^qjh/ ;&kZ7% 21.读取DataGrid控件TextBox值
)}vUYTU1 foreach(DataGrid dgi in yourDataGrid.Items)
woN
d7`C}7 {
|uX&T`7?- TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Ri}JM3\J tb.Text....
}:1qK67S }
I*mBU^<9V =/4}!B/ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
Tb*Q4:r" \lyHQ-gWhc 〖思归〗
= N:5#A <asp:TemplateColumn HeaderText="数量">
. TNJuuO <ItemTemplate>
Zc*#LsQh.` <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
fSGaUBiq} onkeyup="javascript:DoCal()"
a)6?:nY$ />
}VVtv1 faZc18M^1 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
?}jjBJ& </ItemTemplate>
6'e 'UD </asp:TemplateColumn>
FY]Et=p ~dLe9-_9 <asp:TemplateColumn HeaderText="单价">
?3i<^@? <ItemTemplate>
5"+;}E|q <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
dbF9%I@ onkeyup="javascript:DoCal()"
MW=rX>tE />
tMo=q7ig APU~y5vG ( <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
pvRa W=2]!%3# </ItemTemplate>
;)sC{ "Jb </asp:TemplateColumn>
5 L-6@@/ zCu+Oi6 <asp:TemplateColumn HeaderText="金额">
eEeK ]8@ <ItemTemplate>
gV'=uz v <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
7'@~TM </ItemTemplate>
wB<