1. 打开新的窗口并传送参数:
GO2q"a cA4?[F
传送参数:
~x9J&*zxM response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
[N~7PNd S #'KM$l,P 接收参数:
bs\kb-\R string a = Request.QueryString("id");
bK#ZY string b = Request.QueryString("id1");
n[!QrEeR}, 3t+{~{Dj 2.为按钮添加对话框
M/.M~/~ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
BQWgL button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
KxKZC}4m c3l(,5DtH 3.删除表格选定记录
-E6av|c,F int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
)! rD&l$tE string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
{9Qc\Ij -6-rXD 4.删除表格记录警告
nkPlfH private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
jEQ_#KKYJ {
[I%eRo[ switch(e.Item.ItemType)
W^^0Rh_ {
"zNS6I?rzE case ListItemType.Item :
qh6b;ae\x case ListItemType.AlternatingItem :
] H;E(1iU case ListItemType.EditItem:
@BnK C&{ TableCell myTableCell;
d_$0 myTableCell = e.Item.Cells[14];
-:d{x# LinkButton myDeleteButton ;
~b#<HG\,, myDeleteButton = (LinkButton)myTableCell.Controls[0];
->51t myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
1WqCezI break;
X:`=\D default:
bQI :N break;
/cdLMm: }
mIG>`7`7N Wx3DWY; }
lt4IoE`tk? _z%\53h 5.点击表格行链接另一页
Y9f7~w^s private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
-eV*I>G {
,^mEi //点击表格打开
^pe/~ :a if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
']2d^'TH e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
) C~#W }
Z)xcxSo uy"i3xD6- 双击表格连接到另一页
NMw5ixl @eBo7#Zr 在itemDataBind事件中
\M.?*p if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
9HN&M*} {
Y'P^]Q=}_# string OrderItemID =e.item.cells[1].Text;
k~<Ozx^AyY ...
6@#=z e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
+|S)Mm8- }
"&D0Sd@[? %2D'NZS 双击表格打开新一页
Z-CA9&4Uh if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
w-)JCdS6Tb {
wsrdBxd5 string OrderItemID =e.item.cells[1].Text;
VWdTnu ...
Iw?^ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
+ah4 K(+3 }
3C=QWw? #gWok'ZcR ★特别注意:【?id=】 处不能为 【?id =】
R$}Hv 6.表格超连接列传递参数
3_;=y\F <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
P;y!Y/$ C <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
^=-25%&^ n@kJ1ee' 7.表格点击改变颜色
ho^c#>81 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
`r=^{Y {
V3*@n*"N; e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
GfP' this.style.color=’buttontext’;this.style.cursor=’default’;");
?6vGE~MuR }
En-=z`j
G VrT-6r'Y 写在DataGrid的_ItemDataBound里
U%1M?vT/ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
;A"i.:ZT {
q2B'R e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
!Y UT* this.style.color=’buttontext’;this.style.cursor=’default’;");
0#yH<h$ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
7w5l[a/ }
{Gfsiz6 8KR17i1 ,{iMF
(Nj 8.关于日期格式
JT6Be8
Gz\wmH&rVz 日期格式设定
IYptNR DataFormatString="{0:yyyy-MM-dd}"
Ls|)SiXrY KTo}xLT
我觉得应该在itembound事件中
H<^3H e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
qS}{O0 1$}Tn 9.获取错误信息并到指定页面
:&$v.# &BKnJ{,H 不要使用Response.Redirect,而应该使用Server.Transfer
VWXyN gQhYM7NP{5 e.g
C)qG<PW.! // in global.asax
Qd3ppJn protected void Application_Error(Object sender, EventArgs e) {
NV}fcZ if (Server.GetLastError() is HttpUnhandledException)
SJ8
~:"\P Server.Transfer("MyErrorPage.aspx");
{KTZSs $n ="@f~~ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
HCktgL:E= }
I)%bOK] YyYp-0# 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
6x!iL\Y~ %dmQmO, 10.清空Cookie
M!VW/vdywL Cookie.Expires=[DateTime];
[ryII hQ Response.Cookies("UserName").Expires = 0
E'+z.~+
%AT/g&M&1# 11.自定义异常处理
,HE{&p2y //自定义异常处理类
DeN2P using System;
'|tmmoY6a: using System.Diagnostics;
<[gN4x>' DvI^3 iG8 namespace MyAppException
n*AN/LBp {
N-p||u /// <summary>
5P);t9O6 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
vl s+E o] /// 自动将异常内容记录到Windows NT/2000的应用程序日志
(S=CxK /// </summary>
ffOV7Dxy public class AppException:System.ApplicationException
^'sy hI\ {
{Aj=Rj@ public AppException()
aJs! bx>K {
V2m=
m}HQ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
.)t*!$5=N }
nGJ+.z c;
1f$$>b public AppException(string message)
'vZWkeo {
[w FK!? LogEvent(message);
_lH:%E* }
JsX}PVuL )ZZ6 (O public AppException(string message,Exception innerException)
\<}e?Yx% {
gZz5P>^ LogEvent(message);
|hvclEu, if (innerException != null)
a|dn3R>vX {
+9;6]4 LogEvent(innerException.Message);
Ni;jMc }
/5>A 2y }
\3rgwbF RbA.&=3 //日志记录类
)DQcf]I using System;
A(C0/|#V using System.Configuration;
+I.{y using System.Diagnostics;
,}^;q58 using System.IO;
*'@T+$3s using System.Text;
? a*yK8S using System.Threading;
N40DL_- 6D4u?P, namespace MyEventLog
-OgC. 6 {
?O#"x{Pk /// <summary>
&x4|!"G /// 事件日志记录类,提供事件日志记录支持
>bw q /// <remarks>
py/#h$eY /// 定义了4个日志记录方法 (error, warning, info, trace)
,G$<J0R1 /// </remarks>
PC?XE8o /// </summary>
DnB :~&Dw public class ApplicationLog
Qyj:!-o {
y 5Kr<cF^ /// <summary>
=#I/x=L: /// 将错误信息记录到Win2000/NT事件日志中
&x[V<Gq /// <param name="message">需要记录的文本信息</param>
:{#w-oC>6P /// </summary>
9$R}GK public static void WriteError(String message)
)*BG-nM u {
Uo:=-NNI WriteLog(TraceLevel.Error, message);
ukee.:{ }
s%zdP s<LYSr d /// <summary>
(=Lx9-u /// 将警告信息记录到Win2000/NT事件日志中
N/B-u)?\: /// <param name="message">需要记录的文本信息</param>
Jj+Hj[(@ /// </summary>
AHP;N6Y6 public static void WriteWarning(String message)
n--s[Kdo8 {
Ch&2{ng WriteLog(TraceLevel.Warning, message);
>
a 8'MK }
A9y3B^\* 7Rr
+Uzb( /// <summary>
jxgs!B> /// 将提示信息记录到Win2000/NT事件日志中
?$H=n{iW /// <param name="message">需要记录的文本信息</param>
$viZ[Lu!m /// </summary>
6oR5q 4 public static void WriteInfo(String message)
[jKhC<t} {
t "[2^2G WriteLog(TraceLevel.Info, message);
F*,RDM'M }
sH{(=N /// <summary>
KA9v?_@{ F /// 将跟踪信息记录到Win2000/NT事件日志中
D;oX*` /// <param name="message">需要记录的文本信息</param>
E*UE?4FSw| /// </summary>
]6?6 k4@ public static void WriteTrace(String message)
@t#Ju1Y {
CDG,l7 WriteLog(TraceLevel.Verbose, message);
NMH'4R }
C.VU"= - U!524"@%U` /// <summary>
6L&_(/{Uw /// 格式化记录到事件日志的文本信息格式
yT C+5_7 /// <param name="ex">需要格式化的异常对象</param>
?wZ`U
Oi /// <param name="catchInfo">异常信息标题字符串.</param>
7MwS[N%# /// <retvalue>
qZh}gu*> /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
PCiwQ4~ /// </retvalue>
*)qxrBc0 /// </summary>
\
UiITP< public static String FormatException(Exception ex, String catchInfo)
1>_2 =^[ {
qL!pDZk StringBuilder strBuilder = new StringBuilder();
/,^AG2]( f if (catchInfo != String.Empty)
k :`yxxYIh {
.QM>^(o$Z strBuilder.Append(catchInfo).Append("\r\n");
67P@YL }
~:"//%M3l strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
39Tlt~Psz return strBuilder.ToString();
9h0Y">}`b }
Au{J/G<W@ 0-IL@Di`F /// <summary>
=a_ >") /// 实际事件日志写入方法
%2`.*]L /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
o+FDkqEN /// <param name="messageText">要记录的文本.</param>
WKONK;U+7 /// </summary>
}Gh95HwE private static void WriteLog(TraceLevel level, String messageText)
O g!SFg* {
Y/,Cy0! try
N9BfjT} {
ee
.,D EventLogEntryType LogEntryType;
!,cfA';S switch (level)
?%i~~hfH#N {
L-Pq/x2r case TraceLevel.Error:
t'bhA20Z\ LogEntryType = EventLogEntryType.Error;
~>>^7oq break;
Pbl#ieZM case TraceLevel.Warning:
)&.Zxo;q= LogEntryType = EventLogEntryType.Warning;
;a~
e break;
}6 MoC0 case TraceLevel.Info:
wp>L}! LogEntryType = EventLogEntryType.Information;
|aS272' break;
G57c 8}\4 case TraceLevel.Verbose:
G9r~O#=gy LogEntryType = EventLogEntryType.SuccessAudit;
d&t,^Hj break;
Fz@9
@ default:
k[]2S8K2 LogEntryType = EventLogEntryType.SuccessAudit;
ix_&<?8 break;
zEs:OOM }
fnJt8Y4 P?j ;&@$^e EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
YaAOP'p //写入事件日志
Ew*SA eventLog.WriteEntry(messageText, LogEntryType);
irKM?#h 9qX)FB@'i; }
e#z#bz2< catch {} //忽略任何异常
$'93:9tg }
F0/!+ho } //class ApplicationLog
3?bTs = }
N<T@GQwkS z--Y 12.Panel 横向滚动,纵向自动扩展
4>(rskl_ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
]q 3.^F ^W,~ 13.回车转换成Tab
@ 3,:G$, <script language="javascript" for="document" event="onkeydown">
Jju^4 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
&/-}`hIAT event.keyCode=9;
Z90]I<a~ </script>
i@#=Rxp =&roL7ps onkeydown="if(event.keyCode==13) event.keyCode=9"
ibh,d.*~g "*ww>0[ 14.DataGrid超级连接列
"WzD+<oL DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
#.@- ng6C o8u;2gZx 15.DataGrid行随鼠标变色
X \qG
WpN% private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
aBWA hn {
4XIc|a Aa if (e.Item.ItemType!=ListItemType.Header)
<j:@ iP {
Z^_gS&nDa~ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
YZ^mH < e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
40HhMTZ0- }
].Xh=7&2{ }
1EA#c>I$ !AN; 16.模板列
#N;McF;W <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
R 0YWe <ITEMTEMPLATE>
PUErvLt <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
/-Z}= </ITEMTEMPLATE>
'>[Ut@lT; </ASP:TEMPLATECOLUMN>
Cm;M;
? 59BB-R,V <ASP:TEMPLATECOLUMN headertext="选中">
9E}JtLgT <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
t
{H{xd <ITEMTEMPLATE>
a6\`r^ @ <ASP:CHECKBOX id="chkExport" runat="server" />
j?1wP6/NP </ITEMTEMPLATE>
1x^Vv;K <EDITITEMTEMPLATE>
LpN3cy>U <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
;Pe=cc"@ </EDITITEMTEMPLATE>
|G/WS0 </ASP:TEMPLATECOLUMN>
+P%k@w#<Z !TO+[g! 后台代码
fw)Q1"| protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
D 3Tqk^5 {
$0|`h)& //改变列的选定,实现全选或全不选。
)Bu#ln" CheckBox chkExport ;
ji.T7wn1u if( CheckAll.Checked)
5:(/k\9+yv {
o2!wz8 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
6o4Y]C2W{1 {
BJKv9x1jK chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
DGNn#DP chkExport.Checked = true;
vH/RP }
{%c&T S@s }
-quJX;~ else
2@Oz _?O= {
lN*beOj foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
7QRkXs {
\&[(PNl chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
LZ RP}| chkExport.Checked = false;
K%1`LT5:~ }
ehTv@2b }
D!&]jkUN }
F ESl#.} Uo;a$sR 17.数字格式化
DMlr%)@{ Vllxv6/_ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Zxh<pd25Y <%#Container.DataItem("price","{0:¥#,##0.00}")%>
|G_, 1$ l2ie\4dK@ int i=123456;
k~)@D| ? string s=i.ToString("###,###.00");
jXPbj. L8(2or 18.日期格式化
TG%w |5jrl| 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Up0kTL i6<uj 显示为: 2004-8-11 19:44:28
j8c5_& }{)Rnb@
> 我只想要:2004-8-11 】
nDyA][ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
6j95>} @ '}IGV`c 应该如何改?
6-FM<@H{ RK=Pm7L:`y 【格式化日期】
oU se~ )!~,xl^j{} 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
@km4qJZ WyRSy-{U(} 【日期的验证表达式】
H!'4A& F}=_"IkZ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
udmLHc ^((\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})))?$
n|Ts:>`V %xr'96d B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
_0UE*l$t ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
=J|jCK[r BS(jC 【大小写转换】
\Foo:jON HttpUtility.HtmlEncode(string);
q3C HttpUtility.HtmlDecode(string)
4U~'Oa@p <KfR)7I$0a 19.如何设定全局变量
En)Ptz#0 ,4Q8r:_ u Global.asax中
2|ej~}Y q" EW*k+
) Application_Start()事件中
e N v\ZR1 O p1TsRm5L 添加Application[属性名] = xxx;
Uz~B` Y>atJ 就是你的全局变量
<@[;IX`YN (V1;`sI8 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
w 62m}5eA aRElk&M HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
8!YQ9T [ 'n=bQ"bQu 【ASPNETMENU】点击菜单项弹出新窗口
yEk|(6+^ =CO) Q2 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
B!&y>Z^$ <?xml version="1.0" encoding="GB2312"?>
K1o>>388G <MenuData ImagesBaseURL="images/">
r+h%a~A#> <MenuGroup>
`NsQ&G <MenuItem Label="内参信息" URL="Infomation.aspx" >
!&:Cp_ <MenuGroup ID="BBC">
?8/r= <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
zliMG=6 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
)Ly~\* ......
P&=YLL<W qM+Ai*q 最好将你的aspnetmenu升级到1.2版
w]nt_xj #%F-Xsk 21.读取DataGrid控件TextBox值
0U:X[2|) foreach(DataGrid dgi in yourDataGrid.Items)
JdLPIfI^ {
9HEqB0|ZRu TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
7r^Cs#b+I tb.Text....
(>E/C^Tc% }
IaQm)"Z ({@"{ 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?
5D2mZ/ q*5L", 〖思归〗
DBG0)=SHy <asp:TemplateColumn HeaderText="数量">
-agB ]j <ItemTemplate>
hW'b'x< <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
v\CBw" onkeyup="javascript:DoCal()"
A FBH(ms't />
P3-O)m]jv wEwRW <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
?i V}U </ItemTemplate>
m mZP; </asp:TemplateColumn>
K F_Uu x;`Gn_ <asp:TemplateColumn HeaderText="单价">
)+|wrK:*v <ItemTemplate>
=+ b>d\7xG <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
S>r}3,]S onkeyup="javascript:DoCal()"
YtKT3u:x />
pUS: HJk| 4`mf^Kf <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Ph%ylS/T{ {[`(o
0@( </ItemTemplate>
I'^XEl? </asp:TemplateColumn>
!.^x^OK%y \y%"tJ~N{ <asp:TemplateColumn HeaderText="金额">
he/rt# <ItemTemplate>
G[]%1
_QCO <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
#d3_7rI0V </ItemTemplate>
V= p"1!( </asp:TemplateColumn><script language="javascript">
-s!J3DB function DoCal()
D\+x/r?-I {
0Ze&GK'Hf var e = event.srcElement;
.>}I/+n var row = e.parentNode.parentNode;
D
"5|\ var txts = row.all.tags("INPUT");
$]xH"Z%" if (!txts.length || txts.length < 3)
`xHpL8i$5 return;
EC0B6!C&7 s8[( var q = txts[txts.length-3].value;
ZMZWO$"K1 var p = txts[txts.length-2].value;
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