1. 打开新的窗口并传送参数:
{FJX 2-6.r_ 传送参数:
{wpMg response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
g8+4$2`ny _PyW=Tj 接收参数:
5"}y\ string a = Request.QueryString("id");
%%as>}. string b = Request.QueryString("id1");
?K4.L?D#J I[g?Ju > 2.为按钮添加对话框
AY&9JSu6 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
=MJ-s;raq button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
8L7Y
A)u V/(`Ek- 3.删除表格选定记录
AJ>BF.> int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Th~3mf
# string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
-Ap2NpZ"t 1=/doo{^ 4.删除表格记录警告
#Z|%0r_~ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
!Bk[p/\ {
E?Qz/*'zv switch(e.Item.ItemType)
)]/i {
zj9bSDVL( case ListItemType.Item :
I3 G*+6V case ListItemType.AlternatingItem :
~jp!"f case ListItemType.EditItem:
+H[}T ] TableCell myTableCell;
s`Yu"s
8}4 myTableCell = e.Item.Cells[14];
iJ`%yg, LinkButton myDeleteButton ;
v7o?GQ75 myDeleteButton = (LinkButton)myTableCell.Controls[0];
I
9{40_ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
A;fB6 break;
-YzQ2#K default:
l$k]O break;
3R<ME c }
yN 9$gfJC^ 1A%N0#_(Md }
tDC0-N&6S~ ;#Jq$v)D 5.点击表格行链接另一页
J.bFv/R private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0<]$v"`I {
7m|`tjQ1 //点击表格打开
@4/~~ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
zj~nnfoys e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
io9y;S"+ }
VM-qVd- .N5hV3 双击表格连接到另一页
s6uF5]M;2 )|U_Z"0H^ 在itemDataBind事件中
cy=I0 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
bU;}!iVc] {
Mvy6"Q: string OrderItemID =e.item.cells[1].Text;
LN@E\wRw{r ...
N{1.gS e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
}mKGuCoH> }
hFsA_x+L; jzl?e[qPA 双击表格打开新一页
D'7A2 f if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
qhV,u;\. {
:`+|'*b(A string OrderItemID =e.item.cells[1].Text;
Smq r
q ...
IvEMg2f} e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
2YL`3cgfb }
94~"U5oQ: +"k.E
x0: ★特别注意:【?id=】 处不能为 【?id =】
v2/yw, 6.表格超连接列传递参数
gHQPhe#n <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
TqS2!/jp <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
&u+yM
D 0M$#95n 7.表格点击改变颜色
[NHg&R H if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
RDUT3H6~ {
e1^fUOS e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
E:08%4O this.style.color=’buttontext’;this.style.cursor=’default’;");
ad"'O] }
vC)"*wYB{ X}zX`]:I' 写在DataGrid的_ItemDataBound里
Pv< QjY if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
M0cd-Dn {
TA Ftcs: e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
G;2R]H#p this.style.color=’buttontext’;this.style.cursor=’default’;");
-Nsk}Rnk* e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
siZr@g !L }
KKLR'w,A> SV$nyV
TRF]i/Bs 8.关于日期格式
O!:QJ
^8d &}vR(y*#c 日期格式设定
r0)JUc}Fyq DataFormatString="{0:yyyy-MM-dd}"
8 ne/=N|, gO+\O 我觉得应该在itembound事件中
>F/XZC e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
f"vk# 3 v2Dt3$@H6 9.获取错误信息并到指定页面
uzHT.iBn ?TIV2m^? 不要使用Response.Redirect,而应该使用Server.Transfer
w?kGi>7E [dl+:P:zc e.g
F(d:t! // in global.asax
PXV)NC protected void Application_Error(Object sender, EventArgs e) {
ETM2p1ru0 if (Server.GetLastError() is HttpUnhandledException)
K@q&HV"'. Server.Transfer("MyErrorPage.aspx");
j*tk(o}qG bsB},pc //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
RTK}mhnV }
inYM+o!Ub J5O.*& 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
ID)^vwn t2"@Ps&1| 10.清空Cookie
qv
*3A?uzr Cookie.Expires=[DateTime];
g.9L)L Response.Cookies("UserName").Expires = 0
DH:J d'ZS;l 11.自定义异常处理
Takt_N //自定义异常处理类
N5m'To] using System;
@zo7.'7P using System.Diagnostics;
G;/Q>V 34z_+
namespace MyAppException
"\7 v
{
yB.G=90 /// <summary>
IrJ+Jov /// 从系统异常类ApplicationException继承的应用程序异常处理类。
doBNghS /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Ski G2n] /// </summary>
4avc=Y5 public class AppException:System.ApplicationException
%Ys$@dB {
`AR"!X public AppException()
b 8>q; {
gc##V]OD if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
t\zbEN }
u+m4!` ZT6V/MD7T. public AppException(string message)
0x\2#i {
cg,Ua!c LogEvent(message);
y=w`w>% }
(z/jMMms N&"QKd l public AppException(string message,Exception innerException)
fe|g3>/| {
>:2}V]/; LogEvent(message);
6JSY56v if (innerException != null)
P'sfi>A {
:/6()_>bO LogEvent(innerException.Message);
E4r.ky`#~ }
A#(`9 }
Y.>kO gY!N3 *: //日志记录类
L=RGL+f1_ using System;
_%{0?|= using System.Configuration;
%%&e"&7HE using System.Diagnostics;
oE1M/*myS using System.IO;
{SJsA)9:# using System.Text;
X]!D;7^ using System.Threading;
i
E9\_MA ]KWK}Zyi namespace MyEventLog
/Pk:4, {
ys%zlbj[ /// <summary>
!4t`Hv?' /// 事件日志记录类,提供事件日志记录支持
<#y*h8IZ@t /// <remarks>
ox[ .)v /// 定义了4个日志记录方法 (error, warning, info, trace)
(0OM"`j /// </remarks>
r2nBWA3 /// </summary>
}#6xFTH public class ApplicationLog
n3$gx,KL {
lm$;:Roj* /// <summary>
vM(Xip7 /// 将错误信息记录到Win2000/NT事件日志中
3rNc1\a; /// <param name="message">需要记录的文本信息</param>
Yl~$V( /// </summary>
m;o4Fu public static void WriteError(String message)
|c0, {
4z_n4= WriteLog(TraceLevel.Error, message);
F.?01,J=1 }
BqB|Fo :H?f*aw /// <summary>
:3^dF}> /// 将警告信息记录到Win2000/NT事件日志中
fagM7)x /// <param name="message">需要记录的文本信息</param>
#Ao !>qCE /// </summary>
DtI$9`~ public static void WriteWarning(String message)
>aG= T{ {
WL
U } WriteLog(TraceLevel.Warning, message);
PO o%^'( }
<
bFy(+ uE`r /=4 /// <summary>
|@RpWp>2 /// 将提示信息记录到Win2000/NT事件日志中
d2~l4IL)~ /// <param name="message">需要记录的文本信息</param>
_R^y\1Qu /// </summary>
\GL*0NJ public static void WriteInfo(String message)
OxQYNi2 {
'Jydu WriteLog(TraceLevel.Info, message);
xQU"A2{}> }
jXp. qK\" /// <summary>
c<4F4k7 /// 将跟踪信息记录到Win2000/NT事件日志中
@?Zf-. /// <param name="message">需要记录的文本信息</param>
q@l(Qol /// </summary>
m[:K"lZ
]2 public static void WriteTrace(String message)
uv]{1S{tb {
?#BV+#( WriteLog(TraceLevel.Verbose, message);
m5*[t7@% }
VRbQdiZ{ [b/o$zR /// <summary>
% (<(Y /// 格式化记录到事件日志的文本信息格式
TQc@lR! /// <param name="ex">需要格式化的异常对象</param>
?3q@f\fZ /// <param name="catchInfo">异常信息标题字符串.</param>
M'2r@NR8 /// <retvalue>
aQUGNa0+d /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
{DwIjy31T /// </retvalue>
?pG/m%[ /// </summary>
zkexei4^< public static String FormatException(Exception ex, String catchInfo)
.'T 40=7 {
ag8`O&+ StringBuilder strBuilder = new StringBuilder();
aSL6zye
, if (catchInfo != String.Empty)
$UvPo0{ {
vtyx`F
f strBuilder.Append(catchInfo).Append("\r\n");
UpfZi9v?W }
g_aCHEFBv strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
x[X`a return strBuilder.ToString();
$a(`ve| }
1~\M!SQ) >c~RI7uu /// <summary>
~3CVxbB^< /// 实际事件日志写入方法
|^( M{ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
,T|x)"uA` /// <param name="messageText">要记录的文本.</param>
q3h'l, /// </summary>
BBnq_w"a private static void WriteLog(TraceLevel level, String messageText)
@i LIU}+ {
"=A>}q@;H try
kOjf #@c {
Lm6**v EventLogEntryType LogEntryType;
(=c1 switch (level)
N3%*7{X
9 {
gU;&$ case TraceLevel.Error:
Ck'aHe22' LogEntryType = EventLogEntryType.Error;
6BAW break;
pC(sS0J case TraceLevel.Warning:
tFM$#JN LogEntryType = EventLogEntryType.Warning;
Ig \#f break;
E[g*O5 case TraceLevel.Info:
L/Vx~r`P LogEntryType = EventLogEntryType.Information;
sKL:p3r break;
Riry_
case TraceLevel.Verbose:
s_Wyh
!@M LogEntryType = EventLogEntryType.SuccessAudit;
`u
XQ z7 break;
wtH~-xSB| default:
XP3xJm3 LogEntryType = EventLogEntryType.SuccessAudit;
p|[B
=.c{ break;
WZn.; }
<1 "+,}'x )L5i&UK. EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
X.FGBR7=q //写入事件日志
w>e
s eventLog.WriteEntry(messageText, LogEntryType);
igC_)C^i> c#cx>wq9 }
EWjgI_- catch {} //忽略任何异常
"%6/a7S }
V/%~F6e } //class ApplicationLog
V diJ>d[ }
#FH[hRo=6 v=?2S 12.Panel 横向滚动,纵向自动扩展
s?C&s|'. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
@xAfZb2 E Z`Z5sj 4{ 13.回车转换成Tab
-{jdn%Y7CK <script language="javascript" for="document" event="onkeydown">
1AD]v<M if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Jxl6a: event.keyCode=9;
7cTk@Gq </script>
q3P+9/6
V
9;[M; onkeydown="if(event.keyCode==13) event.keyCode=9"
'T8W!&$ Mps5Vv 14.DataGrid超级连接列
pv,45z0 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
`[fxyg:u +-$Ko fnM 15.DataGrid行随鼠标变色
h6D^G5i private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
BS1Ap {
B.dT)@Lx0 if (e.Item.ItemType!=ListItemType.Header)
('[TLHP {
vVxD!EL e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
</`yd2 > e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
7'lZg<z{~j }
2kh"8oQ }
m#7*:i&@Y }6u2*(TmD 16.模板列
Ea $aUORm <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
(eWPis[ <ITEMTEMPLATE>
23]Y<->Eu< <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
OFU/gaO~ </ITEMTEMPLATE>
{KL5GowH </ASP:TEMPLATECOLUMN>
, X{> Z u*K-ep" <ASP:TEMPLATECOLUMN headertext="选中">
sW@krBxMv <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
6<76H <ITEMTEMPLATE>
~NcQ1. <ASP:CHECKBOX id="chkExport" runat="server" />
@.C{OSHE </ITEMTEMPLATE>
r' Z3
<EDITITEMTEMPLATE>
S.*~C0" <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
X6e/g{S) </EDITITEMTEMPLATE>
}hpmO- </ASP:TEMPLATECOLUMN>
yV_wDeAz '@nbqM 后台代码
LW)H"6v protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
9ooY?J {
IH*s8tPc //改变列的选定,实现全选或全不选。
2}U!:bn( CheckBox chkExport ;
KzUlTl0 if( CheckAll.Checked)
muON>^MbC {
<@v]H@E foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
f .
}c7 {
C#0Qd% chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Ah69
_>N`S chkExport.Checked = true;
xg@NQI@7 }
),}AI/j;zY }
rVnd0K else
"2ru 7Y" {
_HOIT foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
r=.A'"Kf {
!^c@shLN4 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
dEa<g99[? chkExport.Checked = false;
~wm;;#_O }
i yesD }
+kK }
s@4nWe B=f,QU 17.数字格式化
zmuMWT; x Gk6n4Gg 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
o+B:#@9? <%#Container.DataItem("price","{0:¥#,##0.00}")%>
rZXrT}Xh{W 2S[-$9 int i=123456;
da!P0x9p string s=i.ToString("###,###.00");
]y{WD=T OPJ: XbG
18.日期格式化
Y$K!7Kq Cizvw'XDV 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
.wA+S8}S t&q N: J 显示为: 2004-8-11 19:44:28
jEdtJEPa 0fXLcal 我只想要:2004-8-11 】
,8'>R@o <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
@D^^_1~ u^Ku;RQo 应该如何改?
Uh
eC oTjyN\?H 【格式化日期】
2NGeC0= p/Sbt/R 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
z+}QZ> ~+X9g 【日期的验证表达式】
B<?[Mrdxw DB526O*
[ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
6Q&r0>^{ ^((\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})))?$
"^j>tii O) |P,? B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
_9H*agRe ^\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]))$
3chPY4~A (:V>Hjt 【大小写转换】
sb_oD{+gW HttpUtility.HtmlEncode(string);
lT&wO