1. 打开新的窗口并传送参数:
j_Szw
w- AcH-TIgM/ 传送参数:
;5Sdx5`_ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
un{ZysmtB6 WgtLKRZ\ 接收参数:
$]2)r[eA) string a = Request.QueryString("id");
jJ,_-ui string b = Request.QueryString("id1");
1+x"
5<(W QU).q65p 2.为按钮添加对话框
jj5S+ >4 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
`AJ[g>py^| button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
b^1QyX^?: (`tRJWbdz 3.删除表格选定记录
:L[>!~YG_n int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
aLO^>", string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
I.<c{4K5 2{OR#v~ 4.删除表格记录警告
Kgbm/L0XR* private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
OviS(}v4@ {
)kD/ 8 switch(e.Item.ItemType)
AYts
&+ {
]{>AU^=U case ListItemType.Item :
~3&{`9Y case ListItemType.AlternatingItem :
*3GV9'-P case ListItemType.EditItem:
(f# (B2j TableCell myTableCell;
=*mT{q@ myTableCell = e.Item.Cells[14];
~Z\:Nx LinkButton myDeleteButton ;
U ZM #O myDeleteButton = (LinkButton)myTableCell.Controls[0];
2QfN.<[- myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
zKJ2~= break;
.|UQ)J?s default:
{Cx5m break;
,^(]zZh }
@AsJnf$y jwZ,_CK }
0I&k_7_ ^t;z;.g 5.点击表格行链接另一页
V2MOD{Maat private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
W'lqNOX[v {
* QgKo$IF //点击表格打开
yK~=6^M if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
iGN\ >m} e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
_fGTTw( }
cnv>&6a) ZO0 Ee1/ 双击表格连接到另一页
:GHv3hn5 m>>.N? 在itemDataBind事件中
)9QtnM if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\;LDE`Q_x {
L4#pMc string OrderItemID =e.item.cells[1].Text;
*H>rvE.K? ...
r"h;JC/&<T e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
wX$:NOO }
&p0e)o~Ux jlEz]@
i 双击表格打开新一页
()3\(d5e if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
N##` {
A'WR!*Yt string OrderItemID =e.item.cells[1].Text;
.g*j]!_] ...
7N.b-}$( e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
>DqF>w.1 }
:6^7l/p ?$ r`T]>`2 ★特别注意:【?id=】 处不能为 【?id =】
0XHQ5+"8 6.表格超连接列传递参数
M6Fo.eeK3 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Q?{%c[s <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
XYE|=Tr] x0*{oP 7.表格点击改变颜色
M `xiC if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
gv#\}/->4 {
/zn=AAYb e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
o5<<vvdA this.style.color=’buttontext’;this.style.cursor=’default’;");
~(5r+Z}*` }
k9|5TLXq?
]I*c:(qwu 写在DataGrid的_ItemDataBound里
.6B\fr.za if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
U$rMZk {
.R9Z$Kbq e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
e|~MJu+1 this.style.color=’buttontext’;this.style.cursor=’default’;");
XR5KJl e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Xlo7enzY }
wb-yAQ8 7*/{m K) zM0NRERi 8.关于日期格式
I<SgKva;c k$EVr([ 日期格式设定
K|& f5w DataFormatString="{0:yyyy-MM-dd}"
zmMc*| /r}L_wI 我觉得应该在itembound事件中
q2GW3t e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
D7Q+w En5oi 9.获取错误信息并到指定页面
[3%mNNk _;<!8e$C 不要使用Response.Redirect,而应该使用Server.Transfer
*Ak .KBg f0<zK! e.g
md!6@)S-p // in global.asax
1GY2aZ@ protected void Application_Error(Object sender, EventArgs e) {
D$>_W ,*V if (Server.GetLastError() is HttpUnhandledException)
|s| }u`(@9 Server.Transfer("MyErrorPage.aspx");
#cbgp;,M{I W&z jb>0b0 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
kc,"w\ ai }
?b7\m":' 7>JYwU{ Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
`i7r] U=>S|>daR 10.清空Cookie
k[=qx{Osx% Cookie.Expires=[DateTime];
0lw>mxN Response.Cookies("UserName").Expires = 0
X/!_>@`7? xad`-vw 11.自定义异常处理
Jh[0xb //自定义异常处理类
V+d_1]
l using System;
74s{b]jN'- using System.Diagnostics;
|<%!9Z KKeMi@N namespace MyAppException
%!|w(Povq {
}d$-:l,w /// <summary>
L`NIYH<^ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
JAbUK[:K /// 自动将异常内容记录到Windows NT/2000的应用程序日志
BD g]M/{ /// </summary>
<@<rU:o=V public class AppException:System.ApplicationException
J[ds.~ $ {
b@:OlZ~% public AppException()
zF&VzNR2 {
{.Tx70kn if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
+A9~h/"kt }
6(
HF)z [P$Xr6# public AppException(string message)
UA[`{rf {
DM.lQ0xk LogEvent(message);
r8k (L{W }
37AVk`a _vQ52H, public AppException(string message,Exception innerException)
XTol|a= {
UK`A:N2[ LogEvent(message);
L"_XWno if (innerException != null)
.RQra+up {
z^Q'GBoBA LogEvent(innerException.Message);
8&<:(mAP }
%idBR7?`g }
7Q
3!=b 5=>1>HYM //日志记录类
9>}&dQ8 using System;
'3.\+^3 using System.Configuration;
$:ush"=f8^ using System.Diagnostics;
nD
wh using System.IO;
3G})$y3m using System.Text;
P8 X07IK using System.Threading;
Ik G& 5'%I4@Qn+ namespace MyEventLog
K`*GZ+b|` {
^@fD{]I /// <summary>
,0l
Od< /// 事件日志记录类,提供事件日志记录支持
U,<m%C" /// <remarks>
l.YE@EL /// 定义了4个日志记录方法 (error, warning, info, trace)
fHt \KP /// </remarks>
'K[ml ?_ /// </summary>
oqrx7+0{ public class ApplicationLog
<'y<8gpM {
}\4yU=JPK /// <summary>
;\MWxh,K /// 将错误信息记录到Win2000/NT事件日志中
-YoL.`s1 /// <param name="message">需要记录的文本信息</param>
kUT2/3Vi /// </summary>
]lWqV public static void WriteError(String message)
{UNH?2 {
'u,|*o WriteLog(TraceLevel.Error, message);
rxCzPF }
{q>%Sr]9 (*-wiL /// <summary>
d)%WaM%V /// 将警告信息记录到Win2000/NT事件日志中
zAgX{$/Fg /// <param name="message">需要记录的文本信息</param>
Ds1h18 /// </summary>
mxNd public static void WriteWarning(String message)
U-|]A\`)I {
+VwQ=[y] WriteLog(TraceLevel.Warning, message);
r. 82RoG?G }
!Ko2yn}6l Pz)lq2Zm9 /// <summary>
*ug~LK5Y. /// 将提示信息记录到Win2000/NT事件日志中
AXyXK?? /// <param name="message">需要记录的文本信息</param>
'g#%> /// </summary>
ZL|aB886 public static void WriteInfo(String message)
|}zWH=6 {
|)x7qy` WriteLog(TraceLevel.Info, message);
x&B&lFmo8 }
6w.E Sm /// <summary>
CKAd\L /// 将跟踪信息记录到Win2000/NT事件日志中
7QO/; zL /// <param name="message">需要记录的文本信息</param>
:saP
:& /// </summary>
}[+uHR6L public static void WriteTrace(String message)
SYJO3cY {
0`/G(ukO WriteLog(TraceLevel.Verbose, message);
.Fb#j+Lq }
3W1Lh~Av %;`Kd}CO /// <summary>
D4%J!L<P /// 格式化记录到事件日志的文本信息格式
5c- P lm% /// <param name="ex">需要格式化的异常对象</param>
ybaY+![* /// <param name="catchInfo">异常信息标题字符串.</param>
RZ6y5 /// <retvalue>
-K{R7 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
pBtO1x6x/ /// </retvalue>
0O3O^
0 /// </summary>
EN m%(G$ public static String FormatException(Exception ex, String catchInfo)
w8lrpbLh {
J[lC$X[ StringBuilder strBuilder = new StringBuilder();
fPeS; if (catchInfo != String.Empty)
A6(Do]M {
M0
z%<_<} strBuilder.Append(catchInfo).Append("\r\n");
"FHJ_$! }
vQ rxx strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
i'fw>-0 return strBuilder.ToString();
=O}I{dNKZV }
77\+V 0cF l";Yw]:^ /// <summary>
i(~DhXz*T /// 实际事件日志写入方法
t6Iy5)=zY /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
BX_yC=S /// <param name="messageText">要记录的文本.</param>
-A#p22D,5 /// </summary>
z;JV3)E private static void WriteLog(TraceLevel level, String messageText)
^E}?YgNp {
.xIAep_ try
SkuR~! {
e!6yxL*[@[ EventLogEntryType LogEntryType;
Bx45yaT switch (level)
etX@z'H {
WK|5:V8E case TraceLevel.Error:
x2v0cR"KL LogEntryType = EventLogEntryType.Error;
|d0ZB_ci break;
EE9w^.3a case TraceLevel.Warning:
|_?e.}K LogEntryType = EventLogEntryType.Warning;
(dlp5:lQz
break;
B[8bkFS>] case TraceLevel.Info:
dWz?`B{' LogEntryType = EventLogEntryType.Information;
k`5I"-e break;
!hVbx#bXl case TraceLevel.Verbose:
ZLjAhd) LogEntryType = EventLogEntryType.SuccessAudit;
NP;W=A F break;
A}ZZQ default:
2E }vuw=c LogEntryType = EventLogEntryType.SuccessAudit;
eN])qw{ break;
&
/8Tth86 }
,X4b~) w_{tS\ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
m-t:'B //写入事件日志
ROFZ*@CH< eventLog.WriteEntry(messageText, LogEntryType);
|Gic79b F85_Lz4 }
]5'$EAsuW catch {} //忽略任何异常
Z3]I^i
FI }
L/"MRQ" } //class ApplicationLog
>Y>R1b% }
u"h/ERCa d-b04Q7DQ 12.Panel 横向滚动,纵向自动扩展
l5-[a <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Oc L7] b0 mG
S4W; 13.回车转换成Tab
-;9
}P <script language="javascript" for="document" event="onkeydown">
@` KYgjjH if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
f\_RW;y|m event.keyCode=9;
v@$N,g </script>
)R7Sh51P 9rEBq& onkeydown="if(event.keyCode==13) event.keyCode=9"
PCl5,]B} %mC@} 14.DataGrid超级连接列
{<yapBMw DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
m?(8T|i jz8u'y[n7 15.DataGrid行随鼠标变色
:u4|6? private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
a/ Ac^!( {
s!(R if (e.Item.ItemType!=ListItemType.Header)
%O`@}Tg {
.HZ d.* e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
$0[T<]{/? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
8$NVVw]2, }
D_lRYLA+ }
XmQ;Roe 7.29' 16.模板列
@JGmOwZ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
+JErc)% <ITEMTEMPLATE>
=7V4{|ESfy <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
5&8E{YXr </ITEMTEMPLATE>
{N~mDUoJ| </ASP:TEMPLATECOLUMN>
#}#m\=0 ndD>Oc}"3 <ASP:TEMPLATECOLUMN headertext="选中">
|jIH gm <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
}<WJR Y6j <ITEMTEMPLATE>
3l=q@72 <ASP:CHECKBOX id="chkExport" runat="server" />
<);q,|eh2 </ITEMTEMPLATE>
q=t!COS <EDITITEMTEMPLATE>
-jJhiaJ$< <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
CA#g(SiZ </EDITITEMTEMPLATE>
^{"i eVn </ASP:TEMPLATECOLUMN>
eC5*Q=ai, p-$C*0{ 后台代码
z)T-<zWO; protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
qy|bOl {
{\5(aQ)Vi5 //改变列的选定,实现全选或全不选。
[ K? CheckBox chkExport ;
;^/ruf[t if( CheckAll.Checked)
Rs=Fcvl {
8;gi8Y foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
[r`KoHwdm {
[WDzaRzd chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
N1'"7eg/ chkExport.Checked = true;
^ = C> }
O: :FB.k }
J#`7! else
6SCjlaGW5 {
|*?N#0s5h foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
W5u5!L/ {
nWsRauY chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
jgE{JK\n4 chkExport.Checked = false;
[R4#bl }
yepRJ%mp }
NAo.79 }
]KuM's ) k/&,J3 17.数字格式化
0#NMNZ
QD.5oS 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
eP2Q2C8g <%#Container.DataItem("price","{0:¥#,##0.00}")%>
k5< n:dS -o+t&m int i=123456;
P'VHga string s=i.ToString("###,###.00");
)>ML7y &m--} 18.日期格式化
5x@ U< A'w+Lc.2 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
"c[> >t L<V20d9 显示为: 2004-8-11 19:44:28
:Ak^M~6a5 D#<y
pJR 我只想要:2004-8-11 】
L9/'zhiZBx <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
)FwOg;=3M" 9we];RYK 应该如何改?
w}1IP- `)a|Q 【格式化日期】
4&NB xe TzC(YWt 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
(`4&