1. 打开新的窗口并传送参数:
K)Db3JIIk K?T)9 传送参数:
V7401@F response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
v,|;uc+ FcW ?([l 接收参数:
Vn/6D[}Tu string a = Request.QueryString("id");
Gcs+@7!b string b = Request.QueryString("id1");
Ya9uu@F q]Qgg 2.为按钮添加对话框
xJ&StN/' Button1.Attributes.Add("onclick","return confirm(’确认?’)");
2|%30i,vV button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
;*Z
w}51 :za!!^ 3.删除表格选定记录
{J0^S int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
//+UQgl6 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
(`!|
Uf$ Ew;<iY[ 4.删除表格记录警告
)%tf,3 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
s*l_O*$' {
|ntJ+ switch(e.Item.ItemType)
R9CAw>s {
CYrL|{M] case ListItemType.Item :
XbH X,W$h case ListItemType.AlternatingItem :
_u:#2K$ case ListItemType.EditItem:
IWT##']G TableCell myTableCell;
ZY/at/v myTableCell = e.Item.Cells[14];
,OasT!Sr LinkButton myDeleteButton ;
sG VC+!E myDeleteButton = (LinkButton)myTableCell.Controls[0];
v}_$9&|S myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
f8&=D4)-w break;
ixS78KIr default:
C3_*o>8 break;
{9l4 pT3 }
gN]`$==c[ MW$9,[ }
}dXL= ul v%FVz 5.点击表格行链接另一页
r\NnWS J private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
J5o"JRJ" {
by06!-P0[ //点击表格打开
_&z>Id`w if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
0"QE,pLe4 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
7CIje=u.q }
g]ihwm~ ,5\n%J: 双击表格连接到另一页
Z9sg6M@s 8@qahEgQ 在itemDataBind事件中
MoX*e if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
AjlG_F {
V+Tj[:ok string OrderItemID =e.item.cells[1].Text;
^Ue.9#9T&g ...
Ci*5E$+\ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
9/%|#b-z }
N4Lk3] ZE\t{s0 双击表格打开新一页
_N]yI0k( if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
,H%\+yn{ {
cQ8:;-M string OrderItemID =e.item.cells[1].Text;
y1'/@A1 ...
vB
Jva8;Q e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
16+@#d%#p }
K7l{&2>? l1:j/[B= ★特别注意:【?id=】 处不能为 【?id =】
/.?\P#9) 6.表格超连接列传递参数
14&EdTG. <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
{0LdLRNZ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
UF{2Gx :qZ^<3+: 7.表格点击改变颜色
drZw#b if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
f*5"Jh@ {
9BY b{<0tS e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
UB1/FM4~ this.style.color=’buttontext’;this.style.cursor=’default’;");
W#wM PsB }
"Dk:r/ 5[R}MhLZ 写在DataGrid的_ItemDataBound里
TB[vpTC9) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
E7<:>Uh {
Lf-8G5G e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
:U*[s$ this.style.color=’buttontext’;this.style.cursor=’default’;");
|}}]&:w2 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
%q Q(@TG }
9C.cz\E @bx2= M,@SUu v" 8.关于日期格式
?gtkf[0B| JU@$( 日期格式设定
,J^Op
DataFormatString="{0:yyyy-MM-dd}"
/LD*8 a e)7)~g54 我觉得应该在itembound事件中
cm3Y!p{p" e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
'SieZIm) &zp5do;m 9.获取错误信息并到指定页面
3u^TJt) op*+fJHD 不要使用Response.Redirect,而应该使用Server.Transfer
}';&0p2Z kT1lOP-Bg e.g
-^5R51 // in global.asax
>guQY I@4, protected void Application_Error(Object sender, EventArgs e) {
uM}O8N if (Server.GetLastError() is HttpUnhandledException)
H6O\U2+ Server.Transfer("MyErrorPage.aspx");
zaZ}:N/w(z -0`hJ_( //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
p(G? }
uS'ji
k} %)D7Dr Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
fUL"fMoU =gIYa 10.清空Cookie
wj^I1;lO Cookie.Expires=[DateTime];
w(j9[ Response.Cookies("UserName").Expires = 0
=I(s7=Liu hvyN8We 11.自定义异常处理
{P-PH$ E- //自定义异常处理类
a)1,/:7' using System;
b {5|2&= using System.Diagnostics;
MUrY >FYgx 2z\F m/Z. namespace MyAppException
b{rmxtx {
'dzp@-\ /// <summary>
L@Z
&v'A /// 从系统异常类ApplicationException继承的应用程序异常处理类。
4.'EEuRw\} /// 自动将异常内容记录到Windows NT/2000的应用程序日志
%&XX*&
q /// </summary>
zEW:Xe) public class AppException:System.ApplicationException
fq|2E&&v {
_&/Zab5 public AppException()
%\cC]<> {
@nP}q!y if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
{Y[D!W2y }
"{_"NjH XV>6;!=E public AppException(string message)
A 5 X+Z {
8j}m\^si LogEvent(message);
wM)w[ }
h+UscdUl |pqpF?h5| public AppException(string message,Exception innerException)
)US/bC!M$ {
`<zb LogEvent(message);
.F2nF8 if (innerException != null)
9pcf jx.. {
.6NSt LogEvent(innerException.Message);
hYn'uL^~[ }
lt4jnV2"a }
fn OkH ^wa9zs2s;/ //日志记录类
<k](s using System;
0EOX@;} using System.Configuration;
q4i8Sp> using System.Diagnostics;
j6vZ{Fx;w using System.IO;
$:[BB,$ using System.Text;
#!jRY!2Vt using System.Threading;
>!1 f` Rda1X~-g namespace MyEventLog
e<4z) {
?+5{HFx /// <summary>
I_G>W3 /// 事件日志记录类,提供事件日志记录支持
iyYY)roB /// <remarks>
A#X.c= /// 定义了4个日志记录方法 (error, warning, info, trace)
*BsDHq-F~ /// </remarks>
C|\^uR0 /// </summary>
d~jtWd|? public class ApplicationLog
aT#{t{gkA {
Db=>7@h3C /// <summary>
S=,1}
XZ /// 将错误信息记录到Win2000/NT事件日志中
$ud>Z;X=P /// <param name="message">需要记录的文本信息</param>
1gm/{w6O /// </summary>
|WU`p public static void WriteError(String message)
1fW4=pF-K {
Rr 4CcM WriteLog(TraceLevel.Error, message);
/]zib@i }
xm|4\H&Bg 9>3Ltnn0 /// <summary>
sBtG}Mo) /// 将警告信息记录到Win2000/NT事件日志中
~'J =!Xy /// <param name="message">需要记录的文本信息</param>
W 8$=a /// </summary>
i?>>
9f@F public static void WriteWarning(String message)
CQ.4,S}6' {
Kxc$wN< WriteLog(TraceLevel.Warning, message);
O2]r]9sh* }
=6<w'> _MbVF>JOx /// <summary>
&8+6!TN7 /// 将提示信息记录到Win2000/NT事件日志中
V-;nj,.mY /// <param name="message">需要记录的文本信息</param>
IIQ3|eZ /// </summary>
v*~%x public static void WriteInfo(String message)
fslk7RlSKg {
NzAtdcwR WriteLog(TraceLevel.Info, message);
mK40 f }
NB5L{Gf6- /// <summary>
OF<n T /// 将跟踪信息记录到Win2000/NT事件日志中
v?D
kDnta /// <param name="message">需要记录的文本信息</param>
W(a'^
#xe /// </summary>
62)lf2$1 public static void WriteTrace(String message)
1mn$Rh&dO {
C}=_8N WriteLog(TraceLevel.Verbose, message);
d =(Yl r }
$^=jPk]+ RA/ =w& /// <summary>
8U<.16+5Q /// 格式化记录到事件日志的文本信息格式
mXU?+G0 /// <param name="ex">需要格式化的异常对象</param>
Ag#5.,B- /// <param name="catchInfo">异常信息标题字符串.</param>
KPjqw{gR_R /// <retvalue>
N(-%"#M$ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
'RV\}gqZ /// </retvalue>
_`@Xy!Ye /// </summary>
+z(,A public static String FormatException(Exception ex, String catchInfo)
m0A@jWgd {
k;fnC+Y$s StringBuilder strBuilder = new StringBuilder();
YY:iPaGO if (catchInfo != String.Empty)
-{8Q= N {
im\YL< strBuilder.Append(catchInfo).Append("\r\n");
I0l.KiBm }
xeYySM= strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
2gL[\/s return strBuilder.ToString();
/ik)4]> }
jO&f*rxN E8iadf49 /// <summary>
Gp ^ owr /// 实际事件日志写入方法
;h-G3>Il /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
DtF![0w/ /// <param name="messageText">要记录的文本.</param>
=o{: -EKQF /// </summary>
0(9I\j5`TT private static void WriteLog(TraceLevel level, String messageText)
1Fvv/Tj {
0$"Q&5Y try
[Yx-l;78 {
/R(U>pZ EventLogEntryType LogEntryType;
p*AP 'cR switch (level)
7o965h {
s;_#7x# case TraceLevel.Error:
G{:af:5Fo LogEntryType = EventLogEntryType.Error;
UOLTCp?M;J break;
zfjD b case TraceLevel.Warning:
t)oES>W1 LogEntryType = EventLogEntryType.Warning;
h2/dhp break;
U-~*5Dd case TraceLevel.Info:
yA!3XUi LogEntryType = EventLogEntryType.Information;
Y1yXB).AH8 break;
f^6&Fb> case TraceLevel.Verbose:
Owh*KY: LogEntryType = EventLogEntryType.SuccessAudit;
igRDt{} break;
^i`3cCFB< default:
E2q B: LogEntryType = EventLogEntryType.SuccessAudit;
lk*0c{_L break;
{m+S{dWp }
kKxL04 %|`:5s-T% EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
$dx1[V+_ //写入事件日志
)WP]{ W)r eventLog.WriteEntry(messageText, LogEntryType);
>uyeI&z c69U1 }
r?"}@MRW catch {} //忽略任何异常
P,$[|)[E }
a8bX"#OR&N } //class ApplicationLog
xS
H6n }
=0C l Io,/ +#| 12.Panel 横向滚动,纵向自动扩展
kH>vD =q> <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
d6t)gG*5 8"?Vcw& 13.回车转换成Tab
gfdPx:7^ <script language="javascript" for="document" event="onkeydown">
t3
uB if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
e-%7F]e event.keyCode=9;
;Xfd1 </script>
xI`Uk8- 8 rnMG0 onkeydown="if(event.keyCode==13) event.keyCode=9"
<<7,kfR r6oX6.c 14.DataGrid超级连接列
k\mXo-:V6 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
xP{HjONu {*M>X}voS 15.DataGrid行随鼠标变色
1kvPiV=X> private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
dt-Qu},8- {
0^<Skm27" if (e.Item.ItemType!=ListItemType.Header)
~!3t8Hx6 {
/@9-!cL e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
;I!+lx3[ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
R
(tiIo }
DU/9/ I?~ }
2_oK5*j nu469 16.模板列
t5ny"k! <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
lQp89*b?=U <ITEMTEMPLATE>
;S=62_Un <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
QoW(tM </ITEMTEMPLATE>
6o[0sM_]; </ASP:TEMPLATECOLUMN>
xE G+%Uk{ |MOn0* <ASP:TEMPLATECOLUMN headertext="选中">
3t"~F%4-} <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
nR,Qm=; <ITEMTEMPLATE>
@ 7Q*h
<ASP:CHECKBOX id="chkExport" runat="server" />
Q-!
i$#- </ITEMTEMPLATE>
RlI
W&y <EDITITEMTEMPLATE>
e/]O<, * <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
c{'$=lR " </EDITITEMTEMPLATE>
D_l/Gxdpr </ASP:TEMPLATECOLUMN>
LCo1{wi QmWC2$b 后台代码
/32Ta protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
'|YtNhWZ? {
oTq%wi6 _ //改变列的选定,实现全选或全不选。
ILkjz^ CheckBox chkExport ;
}
D/+< if( CheckAll.Checked)
')AByD}Hi] {
.x)>f foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
aNOAu/ {
&K9VEMCEX chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
nu4Pc chkExport.Checked = true;
otWo^CE$ }
a^RZsR }
U=haXx4N else
cwH,l$ {
,X9hl J foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
;eS;AHZ {
>%iu!H" chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
%-@'CNP chkExport.Checked = false;
!6XvvTs/< }
?Ia4H }
T4V[RN
}
gZw\*9Q9 4 "pS 17.数字格式化
C$]5l;` U-Af7qO 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
KW&nDu