1. 打开新的窗口并传送参数:
yZHh@W4v 6(M^`&fl 传送参数:
:6h$1
+6 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
p*LG Y+ N"',
接收参数:
2D'b7zPJ3 string a = Request.QueryString("id");
^k#.;Q#4 string b = Request.QueryString("id1");
H0dHW;U<1 E\$7tXQK6 2.为按钮添加对话框
dx., Button1.Attributes.Add("onclick","return confirm(’确认?’)");
sLHUQ(S! button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
W~W`fm pwIu;:O!? 3.删除表格选定记录
7NQ@q--3s int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
th
:I31 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
4Y'Kjx Q|$?d4La8 4.删除表格记录警告
1J{1>r private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
31cC* {
*m>XtBw. switch(e.Item.ItemType)
B8G9V6KS- {
\c1NIuJR case ListItemType.Item :
0`H)c)
pP case ListItemType.AlternatingItem :
AcoU.tpP case ListItemType.EditItem:
)NjxKSiU@ TableCell myTableCell;
h=x{
3P;B myTableCell = e.Item.Cells[14];
(>)f#t[9J LinkButton myDeleteButton ;
bdxmJ9a:R myDeleteButton = (LinkButton)myTableCell.Controls[0];
fR^aFT myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
q8=hUD%5C break;
>}I BPC default:
*LA2@9l break;
USDqh437 }
cUDo}Yu 3;E,B7,mQ }
[t{ed)J =rL^^MZp 5.点击表格行链接另一页
{=Y3[ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8lJMD %Df: {
gX'nFGqud //点击表格打开
tqMOh R if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&pk&8_=f e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
VNggDKS~K }
FV];od&c OZCbMeB{+J 双击表格连接到另一页
m Bc2x8g) 9FKowF_8 在itemDataBind事件中
;*AKeI2 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
qiyX{J7Z {
bAkCk]>5 string OrderItemID =e.item.cells[1].Text;
dU<qFxW ...
M[}aQWT$v e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
s.{nxk. }
?E2$ ]N#%exBVo 双击表格打开新一页
/t$J<bU if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
q"OJF'>w5 {
MEled:i string OrderItemID =e.item.cells[1].Text;
w1q` ...
6
h%%? e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
,JVWn>s }
'0MH-M %.nZ@';. ★特别注意:【?id=】 处不能为 【?id =】
R4x!b`:i 6.表格超连接列传递参数
<,\Op=$l3I <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
{OBV+}# <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
mR|;}u;d N#!**Q 0 7.表格点击改变颜色
BK/~2u if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
%c`P`~sp {
ZPO+ #, e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
#UYrSM@u this.style.color=’buttontext’;this.style.cursor=’default’;");
-,Y[`(q }
O% }EpIP_ 3Gyw^_{J 写在DataGrid的_ItemDataBound里
#eZm)KFQg if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
4
>2g&);B {
$?FA7=_ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
uNoP8U%* this.style.color=’buttontext’;this.style.cursor=’default’;");
SAUfA5|e e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
L?:fyNA3[ }
FQp@/H^ rV[/G#V>{ \:[J-ySJ 8.关于日期格式
.`;
bQh'! : l&g5 日期格式设定
N{<9Njmm DataFormatString="{0:yyyy-MM-dd}"
}]K^b1Fs5 M tD{/.D> 我觉得应该在itembound事件中
y'#i'0eeL e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
yG~7Xo5 FcI ZG _ 9.获取错误信息并到指定页面
PS\n0 N |nZf5{ 不要使用Response.Redirect,而应该使用Server.Transfer
[e.@Yx_} ?K>=>bS^h e.g
FsTl@zN // in global.asax
3H_%2V6#V1 protected void Application_Error(Object sender, EventArgs e) {
Duh[(r_ if (Server.GetLastError() is HttpUnhandledException)
Du7DMo=l Server.Transfer("MyErrorPage.aspx");
/tqQAvj z pV+W-j] //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
HgfeSH }
Fmo^ ?~b iLR^ V! Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
cE SSSH!m 9%MHIY5 10.清空Cookie
B(/)mB Cookie.Expires=[DateTime];
){S/h<4m Response.Cookies("UserName").Expires = 0
iF!r}fUU6 >?yxig:_ 11.自定义异常处理
9 U!-Zn! //自定义异常处理类
/~nPPC using System;
?VaAVxd29 using System.Diagnostics;
8*[Q{:'. l2[{T^ namespace MyAppException
(Ymj
{
~P5;k_& /// <summary>
aNxq_pRb /// 从系统异常类ApplicationException继承的应用程序异常处理类。
5uxB)Dx) /// 自动将异常内容记录到Windows NT/2000的应用程序日志
^+b ??K /// </summary>
tuWJj^ public class AppException:System.ApplicationException
9X%H$>s {
SRfnT?u6 public AppException()
Vub($ {
qQ=\R1l
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
b8$(j2B~ }
V3] Z~@ U)B^R public AppException(string message)
a-(OAzQ_ {
HAOl&\)7"_ LogEvent(message);
v==]v2- }
<-avC/M$d h|OsT public AppException(string message,Exception innerException)
v5Qp[O_ {
#G`UR LogEvent(message);
W]l&mr if (innerException != null)
:3$$PdZ {
,MRAEa2 LogEvent(innerException.Message);
4,.B#: 8 }
i{.%4tA4 }
Qe,aIh ER4j=O# //日志记录类
$<QOMfY> using System;
fAHf}j using System.Configuration;
{T2=bK~ using System.Diagnostics;
fRT4,; using System.IO;
N-cLp}D}WB using System.Text;
KMo]J1o using System.Threading;
LRa^x44 "pLWJvj6- namespace MyEventLog
)*tV {
jXCSD@?]K /// <summary>
{=)g?!zC /// 事件日志记录类,提供事件日志记录支持
:,]*~Nl /// <remarks>
t=B>t S.hO /// 定义了4个日志记录方法 (error, warning, info, trace)
}63Qh}_Y /// </remarks>
QW[
gDc /// </summary>
I&lb5'6D public class ApplicationLog
^w1&A3=6 {
`of`u B /// <summary>
i=mk#.j~ /// 将错误信息记录到Win2000/NT事件日志中
WPnw /// <param name="message">需要记录的文本信息</param>
ay-M.J /// </summary>
5S&'O4yz^ public static void WriteError(String message)
D Xjw" ^x {
ytkV"^1^ WriteLog(TraceLevel.Error, message);
dd&n>A3O= }
DE659=Tq 5l]G1+ /// <summary>
08 $y1; /// 将警告信息记录到Win2000/NT事件日志中
I(2qXOG /// <param name="message">需要记录的文本信息</param>
Y(D&JKx /// </summary>
P
g{/tMY public static void WriteWarning(String message)
A.@/~\ {
YA,vT[kX WriteLog(TraceLevel.Warning, message);
nz%{hMNYH }
zUNWcv!& " l]wjH5mz=i /// <summary>
2qQG /// 将提示信息记录到Win2000/NT事件日志中
n9p_D /// <param name="message">需要记录的文本信息</param>
S(nZ]QEG /// </summary>
g4"0:^/ public static void WriteInfo(String message)
|)'6U3 {
=}h8Cl{H/ WriteLog(TraceLevel.Info, message);
Q3OGU} F }
hnf7Q l} /// <summary>
4x;vn8yh /// 将跟踪信息记录到Win2000/NT事件日志中
9]E;en NQ /// <param name="message">需要记录的文本信息</param>
vy&< O /// </summary>
H,Ik&{@j public static void WriteTrace(String message)
F[HMX4 {
yCt,-mz!z WriteLog(TraceLevel.Verbose, message);
RD1N@sHDKc }
#;*0 Pwe` qC;1ND /// <summary>
Kx[u9MD /// 格式化记录到事件日志的文本信息格式
wE*jN~ /// <param name="ex">需要格式化的异常对象</param>
;3 |Z}P /// <param name="catchInfo">异常信息标题字符串.</param>
"B9aJo /// <retvalue>
l{u2W$8 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
1+0DTqWz /// </retvalue>
>^\}"dEvr /// </summary>
!rwe|"8m?u public static String FormatException(Exception ex, String catchInfo)
&y~EEh| {
C~PoC'"q StringBuilder strBuilder = new StringBuilder();
b{WEux{) if (catchInfo != String.Empty)
Gs7#W:e7 {
Ivdg1X strBuilder.Append(catchInfo).Append("\r\n");
7 g2@RKo }
tOQura strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
|}YeQl return strBuilder.ToString();
cI
g|sn }
&N^^[
uG aLKvl~s;m /// <summary>
GLIe8T*ht /// 实际事件日志写入方法
N9s ,.. /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
H|]~(.w 1} /// <param name="messageText">要记录的文本.</param>
vI)-Zz[3 /// </summary>
J#L"kz private static void WriteLog(TraceLevel level, String messageText)
M1sR+e$" {
p~h)@ try
={GYJ.*Ah {
ejID5NqG EventLogEntryType LogEntryType;
t(,_ switch (level)
Ry+Ax4#+(y {
Ie14`' case TraceLevel.Error:
hrt]Qn& LogEntryType = EventLogEntryType.Error;
Cc7YjsRW break;
JC[G5$E case TraceLevel.Warning:
spV E'"^ LogEntryType = EventLogEntryType.Warning;
&q?A)R break;
liuF;* case TraceLevel.Info:
68pB*(i LogEntryType = EventLogEntryType.Information;
"N|gU;~W break;
$2?10}mrx case TraceLevel.Verbose:
\@ jYY~ LogEntryType = EventLogEntryType.SuccessAudit;
nKP[U=ac break;
Ba]J3Yp,z default:
yhBf %m LogEntryType = EventLogEntryType.SuccessAudit;
a/(IvOy#6 break;
/%'>?8/ }
@&7|Laa U<|h4'(@L EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
%I&[: //写入事件日志
5NT?A,r" eventLog.WriteEntry(messageText, LogEntryType);
HRPNZ!B GdxMHnn= }
"AAzBWd/ catch {} //忽略任何异常
qxR7;/@j ) }
:W++`f& } //class ApplicationLog
in/ITy- }
?'I[[KuG i5QG_^X& 12.Panel 横向滚动,纵向自动扩展
gp/_# QVWC <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
8LH"j(H kN99( 13.回车转换成Tab
BWd{xP y
<script language="javascript" for="document" event="onkeydown">
PN$vBFjm if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
lM<SoC;[ event.keyCode=9;
0d%p<c </script>
tk"+PTGJT ]I|3v]6qR onkeydown="if(event.keyCode==13) event.keyCode=9"
:=I@<@82W 3O W)% 14.DataGrid超级连接列
vXio /m DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
n<. T6 Ckelr 15.DataGrid行随鼠标变色
7i,Z c] private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
kCq]#e~wq {
&vy/Vd if (e.Item.ItemType!=ListItemType.Header)
)Apg {
8\85Wk{b e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
[ NSsT>C e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
X)tf3M
{J@ }
\U1fUrw$* }
s /?&H- `?X=@ 16.模板列
)AX0x1I|E <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
PhS`,I^Z <ITEMTEMPLATE>
NVTNjDF%s <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
cvf@B_iN9 </ITEMTEMPLATE>
/Ww_fY </ASP:TEMPLATECOLUMN>
T2nbU6H 7H1 ii <ASP:TEMPLATECOLUMN headertext="选中">
5g{L
-8XwI <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
`3v!i <ITEMTEMPLATE>
I^5T9}>Q <ASP:CHECKBOX id="chkExport" runat="server" />
]G0`W6;$] </ITEMTEMPLATE>
YEEgDw]BQ <EDITITEMTEMPLATE>
QTN
_Z#' <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
g' xR$6t </EDITITEMTEMPLATE>
q=M\#MlL0' </ASP:TEMPLATECOLUMN>
q 16jL,i Y[A`r0 后台代码
=s2dD3Fr| protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
t5%\`Yo? {
*mc]Oa
//改变列的选定,实现全选或全不选。
&*}NN5Sv CheckBox chkExport ;
[I`r[u if( CheckAll.Checked)
;FO1b* {
k{fCU% foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
z)Y<@2V*C {
&IQp& chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
pP4i0mO{Dv chkExport.Checked = true;
)-_NtMr~`! }
:y?xS }
_L6WbRu| else
M NE{mV( {
^8mF0K& foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
X[frL)k] {
uc%
&g chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
> n~l\
fC chkExport.Checked = false;
e7{n=M }
=sqhPS<> }
hSgfp }
ZWC-<QO"< 6,"fH{Bd
17.数字格式化
^lqcF. }`oe<| 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
~zklrBn& <%#Container.DataItem("price","{0:¥#,##0.00}")%>
+\`D1d@ t|gEMDGa3 int i=123456;
O1@-)<_71 string s=i.ToString("###,###.00");
~ caKzq wAr (5nEbx 18.日期格式化
?fog
34g &CvNNDgrJ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
rf+'U9 ~RQ6DG^ 显示为: 2004-8-11 19:44:28
}w \["r sOSol7n 我只想要:2004-8-11 】
x?J-
{6k <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
't$(Ruw IT,TSs/Y 应该如何改?
/t-m/&> +$MNG 【格式化日期】
H61,pr> <a-I-~ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
or_x0Q 1cE3uA7 【日期的验证表达式】
pV#~$e ?_e2)+q8YG A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Y[AL!h ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
7$(>Z^ Em a!,q\p8<t0 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
~q]+\qty4 ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
^h+<Q%'a' 10v4k<xb 【大小写转换】
h1.]Nl
C HttpUtility.HtmlEncode(string);
|x|#n HttpUtility.HtmlDecode(string)
0`=#1u8
'`q&UPg] 19.如何设定全局变量
c9\jELO zcGeXX}V? Global.asax中
=J0X{Ovn4z )bZS0f- Application_Start()事件中
Y`S9mGR# +/60$60[z 添加Application[属性名] = xxx;
j2T
Z`Z?a^ mie<jha 就是你的全局变量
tBgB>-h( :CO>g=` 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
>]q{vKCAP _ x&Y'X| HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
8(UUc>g ylF%6!V}4V 【ASPNETMENU】点击菜单项弹出新窗口
':8yp|A| BN&^$1F(( 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
t\nYUL-H <?xml version="1.0" encoding="GB2312"?>
?Kw~O"L8 <MenuData ImagesBaseURL="images/">
{n8mE,;M <MenuGroup>
3^l@!Qw <MenuItem Label="内参信息" URL="Infomation.aspx" >
+K4d(!Sb <MenuGroup ID="BBC">
*%L:soM'Ll <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
`7qZ6Z3z@ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
kP9DCDO`[5 ......
.P\wE"; dxkq* 最好将你的aspnetmenu升级到1.2版
jnvi_Rodm {J2*6_ 21.读取DataGrid控件TextBox值
j )6A foreach(DataGrid dgi in yourDataGrid.Items)
!Q!==*1H {
Hu|;cbK TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
ahNpHTPa tb.Text....
B1>aR 7dsf }
&