1. 打开新的窗口并传送参数:
zR'lQ<u /5@V $c8 传送参数:
s|U=_,. response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
21$YZlhJ ,X&lVv# 接收参数:
w.gI0` string a = Request.QueryString("id");
ZGHkW9b& string b = Request.QueryString("id1");
t)n!]; eI@LVi6<b 2.为按钮添加对话框
R=IZFwr Button1.Attributes.Add("onclick","return confirm(’确认?’)");
;Cdrjx button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
H|4O`I;~( ]q0mo1-EZ! 3.删除表格选定记录
'H<0:bQ=I int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
D7b<&D@ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
\v7M`! & 6@-VLO))O 4.删除表格记录警告
Kr!(<i private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
0x Vue[ep {
s[|sfqB1` switch(e.Item.ItemType)
1&~u:RUXe {
x8Rmap@L. case ListItemType.Item :
3T$gT case ListItemType.AlternatingItem :
Kb~s'cTxIO case ListItemType.EditItem:
m}] bP TableCell myTableCell;
@Y'BqDFlZ myTableCell = e.Item.Cells[14];
DUc
-D== LinkButton myDeleteButton ;
>A#wvQl7 myDeleteButton = (LinkButton)myTableCell.Controls[0];
u/e-m/ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
[XWY-q#Gg break;
`<Xq@\H default:
#`5{?2gS9 break;
Ey$J.qw3 }
j4L )D n$Z@7r }
#pbPaRJL( ,[}5@cS 5.点击表格行链接另一页
Gxu&o%x[ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
dUOvv/,FZT {
bv`gjR //点击表格打开
jN:!V t if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
yjODa90!G e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
7@u0;5p| }
=(ts~^ |?n=~21"1O 双击表格连接到另一页
utxT$1iJn~ $9dm2#0d 在itemDataBind事件中
)cnB>Qul if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
wt4uzg8 {
|;o#-YosP string OrderItemID =e.item.cells[1].Text;
rxu
6 #v F ...
,vEwck# e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
&B\tcF }
F gM<2$h _D:#M 双击表格打开新一页
N.OC _H& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
wkK61ah6 {
/238pg~Cw5 string OrderItemID =e.item.cells[1].Text;
RKsr}-18 ...
?y82S*sb# e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
PDaHY }
eOa:%{Kj l/,O9ur- ★特别注意:【?id=】 处不能为 【?id =】
U`_(Lq%5W 6.表格超连接列传递参数
N!>Gg|@~ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
F23/|q{{ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
B#'TF?HUEn TQDb\d8,f 7.表格点击改变颜色
!uLW-[F, if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
QLYb>8?"C {
lwhAF, '$ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
iva&W this.style.color=’buttontext’;this.style.cursor=’default’;");
W8j)2nKD }
5;5;bBo~ mAh0xgm 写在DataGrid的_ItemDataBound里
d?(#NP#; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
5inmFT?9Z {
Q.Hy"~ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
nYG$V)iCb this.style.color=’buttontext’;this.style.cursor=’default’;");
@BWroNg{ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
0lR/6CB }
1J<Wth{ A6Ttx{] w*[i!i 8.关于日期格式
9E^IEwq' `f`\j
-Lu 日期格式设定
=s`\W7/;{- DataFormatString="{0:yyyy-MM-dd}"
1UX"iOx( Cdl#LVqs 我觉得应该在itembound事件中
%1fH-:c=C0 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
|LA./%U xoI;s}*E 9.获取错误信息并到指定页面
[{e[3b*M| &/*XA 不要使用Response.Redirect,而应该使用Server.Transfer
}Z*@EWc> +L1%mVq]y e.g
0qXd?z$ // in global.asax
!_rAAY protected void Application_Error(Object sender, EventArgs e) {
/v"u4Ipj if (Server.GetLastError() is HttpUnhandledException)
u9rlNmf$ Server.Transfer("MyErrorPage.aspx");
_hyboQi .|XIF //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
I=X-e#HM? }
Qrjo@_+w! J<Di2b+ 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
preKg$U yS0YWqv]6@ 10.清空Cookie
@O9.~6 Cookie.Expires=[DateTime];
N*w/\| Response.Cookies("UserName").Expires = 0
kFmd):U!R %7 h_D 11.自定义异常处理
4VINu9\V //自定义异常处理类
_#xS1sD using System;
@Y+YN;57 using System.Diagnostics;
p@] \ N }N^.4HOS8 namespace MyAppException
h}fz`ti U {
~F?s\kp6 /// <summary>
K.c6n,' /// 从系统异常类ApplicationException继承的应用程序异常处理类。
o
%sBU /// 自动将异常内容记录到Windows NT/2000的应用程序日志
q
y73 /// </summary>
}yZ9pTB.?E public class AppException:System.ApplicationException
YG , {
3RG*:9 public AppException()
pUx~ {
ocBfs^ aW if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
MIvAugUOl }
BYuF$[3ya& 4d3]L`
f public AppException(string message)
nsFOtOdd {
L
A-H LogEvent(message);
|f1 S&b. }
WGFp<R Gqq%q!k&1 public AppException(string message,Exception innerException)
aOWW..| {
j|"#S4IX)F LogEvent(message);
s*{l}~fPkW if (innerException != null)
aP^,@RrL {
i-[ic!RnKj LogEvent(innerException.Message);
>2l1t}"\ }
5Z/x Y& }
89T xd9X XB*)d
9'8 //日志记录类
|?{3&'`J8w using System;
IiTV*azVh using System.Configuration;
>aXyi3B using System.Diagnostics;
.&dW?HS using System.IO;
c?B@XIl using System.Text;
f tW- using System.Threading;
)8]O|Z-CU S~L$sqt namespace MyEventLog
rC.z772y% {
{/`iZzPg /// <summary>
I$!rNfrs /// 事件日志记录类,提供事件日志记录支持
zhtNL_ /// <remarks>
a;JB8 /// 定义了4个日志记录方法 (error, warning, info, trace)
(A(7?eq /// </remarks>
p>Dv&fX /// </summary>
y<(q<V#0!S public class ApplicationLog
!gA<9h {
*YmR7g |k /// <summary>
Zg1=g_xY /// 将错误信息记录到Win2000/NT事件日志中
qYFOHu /// <param name="message">需要记录的文本信息</param>
0dxEV] /// </summary>
xtWQ. public static void WriteError(String message)
&}:'YK*X {
u;p.:{' WriteLog(TraceLevel.Error, message);
o))z8n?b }
734)s d_s=5+Yj /// <summary>
X!Ag7^E /// 将警告信息记录到Win2000/NT事件日志中
P{j2'gg3 /// <param name="message">需要记录的文本信息</param>
3lzjY.]Pgv /// </summary>
CY~]lQ public static void WriteWarning(String message)
:YaEMQJ^ {
.CGPG,\2 WriteLog(TraceLevel.Warning, message);
ggQ/_F8u }
J'c]':U u6^cLQO+ /// <summary>
iJ n< /// 将提示信息记录到Win2000/NT事件日志中
x"xl3dRu /// <param name="message">需要记录的文本信息</param>
?'ID7mL /// </summary>
-xs@rV` public static void WriteInfo(String message)
q5C(/@)^ {
0Oy.&C T WriteLog(TraceLevel.Info, message);
Kn-cwz5 }
"ee:Z_Sz /// <summary>
&?N1-?BjM /// 将跟踪信息记录到Win2000/NT事件日志中
hG~4i:p
< /// <param name="message">需要记录的文本信息</param>
d-/{@
/// </summary>
s2=rj?g&(X public static void WriteTrace(String message)
"(bnr0 {
;f,`T WriteLog(TraceLevel.Verbose, message);
Xc"l')1H }
MLwh&I9) ZL/iX~}a' /// <summary>
{8+FxmH /// 格式化记录到事件日志的文本信息格式
-]yM<dP /// <param name="ex">需要格式化的异常对象</param>
8R?X$=$]!. /// <param name="catchInfo">异常信息标题字符串.</param>
"Bl]_YPv /// <retvalue>
dr3j<D-Q /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
x(oL\I_Z /// </retvalue>
v2=Iqo /// </summary>
}j<:hDQP public static String FormatException(Exception ex, String catchInfo)
y4sKe:@2 {
nE.w StringBuilder strBuilder = new StringBuilder();
4WCWu} if (catchInfo != String.Empty)
dH:z_$Mg {
7<FI[ strBuilder.Append(catchInfo).Append("\r\n");
[7x,& }
*_feD+rq strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
o/0cd return strBuilder.ToString();
"#zSk=52z }
We%HdTKT qTc-Z5 /// <summary>
%siBCjvo= /// 实际事件日志写入方法
<Y%km[Mh /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
38ac~1HjE /// <param name="messageText">要记录的文本.</param>
<ZmC8&Uo /// </summary>
dy/\>hu private static void WriteLog(TraceLevel level, String messageText)
5cahbx1"
{
#snwRW>=[ try
Xwz9E!m {
F}9!k LR EventLogEntryType LogEntryType;
xvo""R/g8 switch (level)
pJ8;7u {
K1y] case TraceLevel.Error:
E"i<fr
T LogEntryType = EventLogEntryType.Error;
%L;z ~C break;
a,eR'L<"*- case TraceLevel.Warning:
'T=$Q%Qv LogEntryType = EventLogEntryType.Warning;
akR+QZ,) break;
])`+
78 case TraceLevel.Info:
x=-dv8N? LogEntryType = EventLogEntryType.Information;
25EuVj`zL break;
+yC ]f
b case TraceLevel.Verbose:
X}j WNN LogEntryType = EventLogEntryType.SuccessAudit;
]QM{aSvXA break;
Iv,Ub_Ll9 default:
_8zZ.~) LogEntryType = EventLogEntryType.SuccessAudit;
2;8I0BH*' break;
[l~Gwaul> }
GJTKqr|1O (]cM; EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
$MW-c*5a //写入事件日志
=Sjr*)<@j eventLog.WriteEntry(messageText, LogEntryType);
87&BF)] 2=R}u-@6p }
W=QT-4 catch {} //忽略任何异常
S
^5EG;[ }
{T;A50 } //class ApplicationLog
5&Y%N( }
S"-q*!AhK D1xIRyc/ 12.Panel 横向滚动,纵向自动扩展
~HW8mly' <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
dP[vXhc 0EWov~Y? 13.回车转换成Tab
6Bv!t2 <script language="javascript" for="document" event="onkeydown">
lI,lR if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
?HD
eiJkX event.keyCode=9;
!u)>XS^E </script>
KImBQ2 ^Tu gteG*p i onkeydown="if(event.keyCode==13) event.keyCode=9"
8]G VIIBw 14.DataGrid超级连接列
u/s,# DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
"6^~-`O W#|30RU.G 15.DataGrid行随鼠标变色
.(
)rby private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"pZvV0' {
dSdP]50M if (e.Item.ItemType!=ListItemType.Header)
L>trLD1pt {
l g0 'qH8 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
F,hiKq* e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
v8{ jEAK }
kdq<)>" }
_%r +?I 62-,!N 1- 16.模板列
*|Bu 7nwg <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
to2#PXf]y <ITEMTEMPLATE>
W't?aj I| <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
K^zu{`S </ITEMTEMPLATE>
i>*|k] </ASP:TEMPLATECOLUMN>
wSV}{9}wr% b-/8R|Mem <ASP:TEMPLATECOLUMN headertext="选中">
|qOoL*z <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
E*B6k!: <ITEMTEMPLATE>
y3Z\ Y[ <ASP:CHECKBOX id="chkExport" runat="server" />
OuZPgN </ITEMTEMPLATE>
{fd/:B 7T <EDITITEMTEMPLATE>
hXAgT!ZD <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
"d5nVO/ </EDITITEMTEMPLATE>
d:<</ah </ASP:TEMPLATECOLUMN>
;#i$5L!*B >$/<~j] 后台代码
ce&Q}_ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
!^Ly#$-X {
6@rebe!&= //改变列的选定,实现全选或全不选。
YK{E=<: CheckBox chkExport ;
y^u9Ttf{ if( CheckAll.Checked)
`] fud{ {
qj.>4d foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Wx8oTN {
Z&Qz"V>$ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
9Z[EzKd<~' chkExport.Checked = true;
Y^Y1re+} }
{0(:5% }
av8\?xmo.$ else
^ ,cwm:B@ {
.="/n8B foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
V7gv@<1<y {
@H83Ad chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
bb4 `s0 chkExport.Checked = false;
0[
BPmO6 }
t@#l0lu$ }
gs:V4$(p4 }
4Ou5Vp&y Y[R;UJE`5 17.数字格式化
dSP~R m)q e 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
xwJ.cy <%#Container.DataItem("price","{0:¥#,##0.00}")%>
`;c{E%qeq 2=%R>&]* int i=123456;
{CaTu5\ string s=i.ToString("###,###.00");
ZzO^IZKlC =i1+t"= 18.日期格式化
a5dc#f
Kf o0)k5P~<~ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
l ~C=yP(~ w=Yc(Y:h 显示为: 2004-8-11 19:44:28
uE=pq<
`zP{E T_Y 我只想要:2004-8-11 】
\UEO$~Km <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
\i.Yhl:O HZl//Uq 应该如何改?
[-p?gyl Z(|'zAb^ 【格式化日期】
3 q^^Os X+%5q =N 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
s[n*fV']A 1w$X;q" 【日期的验证表达式】
05ZF>`g* 8WP|cF] A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
pIhy3@bY ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
"q]r{0 g;eoH B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
1"fbQ^4` ^\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]))$
4Q?3gA1 Nu[0X 【大小写转换】
Q1
5h \!u HttpUtility.HtmlEncode(string);
"Nh}_jO HttpUtility.HtmlDecode(string)
j&|>Aa${ ' 2:HBJ 19.如何设定全局变量
6V&HlJH
c?t,,\o(} Global.asax中
x!`~+f.6 mM;5UPbZ Application_Start()事件中
sKniqWi x@Ze%$' 添加Application[属性名] = xxx;
'\wZKYVN hhr!FQ.+/ 就是你的全局变量
nsjrzO79L8 2_C&p6VGj 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
A>B_~= \1f&D!F]b HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
mGC! 7^_D` %4I13|<A` 【ASPNETMENU】点击菜单项弹出新窗口
EHlkt,h* W&s@2y?rF 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
wqE+hKs, <?xml version="1.0" encoding="GB2312"?>
_!C M <MenuData ImagesBaseURL="images/">
(>
VD#n <MenuGroup>
5tUN'KEbN <MenuItem Label="内参信息" URL="Infomation.aspx" >
7\<}378/^ <MenuGroup ID="BBC">
HlgkW&