1. 打开新的窗口并传送参数:
MUsF/1 d7s? c 传送参数:
fWie fv[& response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
C9>tj=yEY Sn=|Q4ZN 接收参数:
-3`S;Dmn string a = Request.QueryString("id");
Q-o}Xnj*!L string b = Request.QueryString("id1");
spter35b[ Q SPneYD 2.为按钮添加对话框
9[K".VeT] Button1.Attributes.Add("onclick","return confirm(’确认?’)");
C[MZ9r button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
OCmF/B_ 6'
}oo'#~ 3.删除表格选定记录
.v;$sst5y int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
>a7'_n_o string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
~Z-M?8: 0Y[LzLn 4.删除表格记录警告
WBT/;),}: private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
R{Q*"sf {
U5Say3r switch(e.Item.ItemType)
,>% 2`Z) {
mOji\qia case ListItemType.Item :
j}R!'m(P' case ListItemType.AlternatingItem :
<y#-I%ed case ListItemType.EditItem:
H0<(j(JK TableCell myTableCell;
|>o]+ V myTableCell = e.Item.Cells[14];
Tbv", b LinkButton myDeleteButton ;
>PdYQDyVS myDeleteButton = (LinkButton)myTableCell.Controls[0];
8OE=7PK myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3\_ae2GW break;
T(t@[U2^ default:
kSx^Uu* break;
L1=+x^WQ }
T\7z87Q w@w(AFV9/ }
i}teY{pyc
s;V~dxAiv 5.点击表格行链接另一页
`kb]tf private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
d,kh6'g2@ {
b|mWEB.p //点击表格打开
A;~lG3j4 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
lnuf_;0 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
bH4'j/3 }
hu}`,2 V5w00s5?% 双击表格连接到另一页
tGHZU^B:} `x%v&> 在itemDataBind事件中
(B|4wR\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4CA(` _i~ {
Hl`S\ string OrderItemID =e.item.cells[1].Text;
S o>P)d$8+ ...
a@(4X/| e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
z}I =: }
$:IOoS|e %Jy0?W N 双击表格打开新一页
2d:<P!B if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
B-Bgk {
]D(!ua5|x` string OrderItemID =e.item.cells[1].Text;
\Tq !(]o^ ...
~aKM+KmtPH e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
GJ YXCi }
hBb&-/ wdS4iQD ★特别注意:【?id=】 处不能为 【?id =】
e$HN/O 6.表格超连接列传递参数
B*=m%NXf <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
#[ZF'9x <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
n^F:p*)Q% 7&oT}Z 7.表格点击改变颜色
'Cw&9cL9w if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
b[5$$_[ {
R@*mMWW, e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Ky"]L~8$ this.style.color=’buttontext’;this.style.cursor=’default’;");
* V;L|c }
oU/CXz?H Vl=!^T}l+ 写在DataGrid的_ItemDataBound里
b4NUx)%ln if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|'@c ~yc {
#rZF4>c e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
-+vA9,pI this.style.color=’buttontext’;this.style.cursor=’default’;");
I+nKaN+8i
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
G@s]HJ: }
j7L uN LxD >eA wHneVqI/U 8.关于日期格式
\HR<^xY "},0Cs 日期格式设定
ODS8bD0!i DataFormatString="{0:yyyy-MM-dd}"
Md!L@gX6< b|
e7mis@ 我觉得应该在itembound事件中
yGGQ;!/ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
K@uUe3 {+D
6o 9.获取错误信息并到指定页面
E?$|`<o{|` %:61@< 不要使用Response.Redirect,而应该使用Server.Transfer
tE&@U$0>o ""AP-7 e.g
Q[g>ee // in global.asax
S
b0p? protected void Application_Error(Object sender, EventArgs e) {
,'=Tf=wq if (Server.GetLastError() is HttpUnhandledException)
#<_gY Server.Transfer("MyErrorPage.aspx");
sK1YmB :~a oWCy%76@ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
4sU*UePr }
j?!BHNs kR+xInDM* Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
CKC%|xke ;ZnSWIF2 10.清空Cookie
LW+a-i Cookie.Expires=[DateTime];
RM^3Snd=V Response.Cookies("UserName").Expires = 0
H{XbKLU BGk>:Z` 11.自定义异常处理
-)cau-(X //自定义异常处理类
:.;pRz using System;
4<`Qyul- using System.Diagnostics;
t(<^of: K})=&<M0 namespace MyAppException
93Z/|7 {
bCv=Uo,+6 /// <summary>
DV={bcQ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
U`{'-L. /// 自动将异常内容记录到Windows NT/2000的应用程序日志
"Jd!TLt\x /// </summary>
P'EPP*)q public class AppException:System.ApplicationException
n^} -k'l {
I``S%`h public AppException()
<n8K"(sy} {
zDEX `~c if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
RK7vR~kf< }
(lNV\Za u%TZ),ny- public AppException(string message)
IJWUNKqo= {
+XaRwcLC. LogEvent(message);
iD;pXE{2s% }
& XS2q0-x pQQN8Y~^Y public AppException(string message,Exception innerException)
*=sMJY9#jE {
xiWP^dIF LogEvent(message);
VR8 kY& if (innerException != null)
we4k VAn {
kIC$ai6. LogEvent(innerException.Message);
[uJfmr EH }
iy<|<*s2D }
C:*=tD1 l** gM //日志记录类
E{Kc$,y using System;
TFfV?rBI using System.Configuration;
_Q9 Mn-&qQ using System.Diagnostics;
A"SF^p using System.IO;
\
F\ /< using System.Text;
?S*Cvr+=4 using System.Threading;
65% WjO uW%(ySbq namespace MyEventLog
v>XAzA {
YaBZ#$r /// <summary>
Rudj"OGO /// 事件日志记录类,提供事件日志记录支持
jkQ%b.a /// <remarks>
VRb+-T7" /// 定义了4个日志记录方法 (error, warning, info, trace)
Cr7T=&L /// </remarks>
N4[`pXM6 /// </summary>
& t.G4 public class ApplicationLog
@QN(ouq Q {
l.@v@T(/ /// <summary>
eP?=tUB!S /// 将错误信息记录到Win2000/NT事件日志中
V
6*ohC: /// <param name="message">需要记录的文本信息</param>
K9HXy*y49 /// </summary>
wHR# -g' public static void WriteError(String message)
+55+%oGl {
<hV%OrBz- WriteLog(TraceLevel.Error, message);
j; MQ_?"iN }
=d*5TyAcu baO'FyCs9& /// <summary>
d:L|BkQ7* /// 将警告信息记录到Win2000/NT事件日志中
0|}]=XN^ /// <param name="message">需要记录的文本信息</param>
z@8W /// </summary>
QVR8b3T@ public static void WriteWarning(String message)
;:]#Isq {
jU9\BYUg WriteLog(TraceLevel.Warning, message);
\C}_l+nY }
s=H|^v TPF5 ? /// <summary>
~PtIq.BY /// 将提示信息记录到Win2000/NT事件日志中
[["az'Lrk? /// <param name="message">需要记录的文本信息</param>
]zATdfa /// </summary>
L)z` public static void WriteInfo(String message)
fe4Ki {
y2o~~te WriteLog(TraceLevel.Info, message);
K(3_1*e }
UOa
n /// <summary>
'JRYf;9c /// 将跟踪信息记录到Win2000/NT事件日志中
~QngCg-5q /// <param name="message">需要记录的文本信息</param>
Fl}{"eCF8 /// </summary>
<}Hs@`jS public static void WriteTrace(String message)
O>3f*Cc {
pGdFeEkB/ WriteLog(TraceLevel.Verbose, message);
"qdEu KI }
%F}i2!\<L l<)k`lrMX4 /// <summary>
od-yVE& /// 格式化记录到事件日志的文本信息格式
2r"J"C /// <param name="ex">需要格式化的异常对象</param>
f
0r?cZ /// <param name="catchInfo">异常信息标题字符串.</param>
He)!Ez\X /// <retvalue>
!T"jvDYH /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
8)ykXx/f@ /// </retvalue>
mlO\wn-F /// </summary>
?`/DFI'_G public static String FormatException(Exception ex, String catchInfo)
_J X>#h {
e X{#FgFc StringBuilder strBuilder = new StringBuilder();
WNSY@q if (catchInfo != String.Empty)
*6aIDFNl {
rHp2I6.0a strBuilder.Append(catchInfo).Append("\r\n");
ECk*
H }
[.'9Sw strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
/liZ|K3A return strBuilder.ToString();
cBtQ2,<6 }
KP&$Sl Ku?1QDhrF* /// <summary>
+-:o+S`q~ /// 实际事件日志写入方法
?UV|m /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
$'n?V=4 /// <param name="messageText">要记录的文本.</param>
97 k}{tG /// </summary>
w/e?K4 private static void WriteLog(TraceLevel level, String messageText)
%J8uVD.2 {
snYyxi try
O t{~mMDp {
t 7D~JAx6 EventLogEntryType LogEntryType;
@77+K:9I7 switch (level)
p$}/~5b}4 {
#$;}-* case TraceLevel.Error:
iGN6'm` LogEntryType = EventLogEntryType.Error;
/\MkH\zg break;
=~TPrO^ case TraceLevel.Warning:
q[(1zG%NbA LogEntryType = EventLogEntryType.Warning;
2(f-0or( break;
[r1dgwh8 case TraceLevel.Info:
2B"tT"f LogEntryType = EventLogEntryType.Information;
S3s6 break;
jLn|zK case TraceLevel.Verbose:
Z*'<9l_1 LogEntryType = EventLogEntryType.SuccessAudit;
[Z^26/5a break;
Y+h
?HS default:
s Fx0 LogEntryType = EventLogEntryType.SuccessAudit;
QjKh#sU& break;
\U<d)j/ }
1DlXsup&?# /VD[: sU7 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
ZiPz~G0[^ //写入事件日志
b&6lu4D eventLog.WriteEntry(messageText, LogEntryType);
[?bq4u` Qq%~e41ec }
h; 6G~D catch {} //忽略任何异常
^<_rE- k }
#jsN } //class ApplicationLog
v\E6N2.S }
i-9W8A ZYt1V"2VJ 12.Panel 横向滚动,纵向自动扩展
z<%dWz <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
0oZZLi +F.@n_}p-I 13.回车转换成Tab
8n["/5, <script language="javascript" for="document" event="onkeydown">
8@b`a]lgrd if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
~NB|BwAh event.keyCode=9;
\Rs9B . </script>
xUNq!({T _ gGA/ onkeydown="if(event.keyCode==13) event.keyCode=9"
,f@j4*) 9{e/ V) 14.DataGrid超级连接列
'u%vpvF DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
?XeaoD/ XpYd|BvW 15.DataGrid行随鼠标变色
eeBW~_W private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=oM#]M'G+( {
2%pU'D: if (e.Item.ItemType!=ListItemType.Header)
u8t|!pMF8 {
&8yGV i e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
E;9J7Q
4 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
dkY JO! }
?:&2iW7z }
irvd>^&jDC >?_}NZ,y 16.模板列
i8p$wf"aW <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Qv
g_|~n <ITEMTEMPLATE>
lMG+,?<uK& <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
}/#*opcv </ITEMTEMPLATE>
F|VKrH. </ASP:TEMPLATECOLUMN>
)wXE\$ ti$60Up <ASP:TEMPLATECOLUMN headertext="选中">
;nJ2i?" <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
NpCQ4K <ITEMTEMPLATE>
H:OpS-b <ASP:CHECKBOX id="chkExport" runat="server" />
$|7=$~y </ITEMTEMPLATE>
X|/RV4x@Cq <EDITITEMTEMPLATE>
w{u,YM(Q <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
?6>*mdpl </EDITITEMTEMPLATE>
4q:8<*W= </ASP:TEMPLATECOLUMN>
J}+N\V~ G9V2(P 后台代码
?3qp?ea protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
>56fa6=3@ {
WW+F9~S //改变列的选定,实现全选或全不选。
XR3 dG: CheckBox chkExport ;
Q2)(tB= ) if( CheckAll.Checked)
oO`a {n- {
4)>UTMF foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
%Ofw"W {
.t8hTlV?<B chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/I1n${{5 chkExport.Checked = true;
p~Cz6n }
/Oi(5?Jn }
Z{:;LC else
RZKx!X4=q {
s$,G5Feub foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
PIXqd, {
ZHUW1:qs chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/R?[/`)f& chkExport.Checked = false;
`rK@> - }
VbMud]40F }
P-$ , }
SS24@:"{ c~ vql4 17.数字格式化
YJ-<t6 <Rs$d0/ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
fI2y(p{? <%#Container.DataItem("price","{0:¥#,##0.00}")%>
h oM%|,0 3
{hUp81> int i=123456;
Fw{68ggk string s=i.ToString("###,###.00");
k.2GIc:5 9;uH}j8sE 18.日期格式化
),y`Iw m#G,m 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
ssS"X@VZ
\ 08{^Ksg 显示为: 2004-8-11 19:44:28
-;ra(L` r}sO},i 我只想要:2004-8-11 】
vM]5IHqeE <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
0%%y9;o JiO8EIM 应该如何改?
<;'{Tj-" wq,&0P-v 【格式化日期】
7cWeB5e?O [i.c;'Wy/ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
e==/+ dZ8ldpf8 【日期的验证表达式】
I Z*) (v
KJyk+Y A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
2hso6Oy/v{ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Y:#B0FD,gC [u=yl0f B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
&cT