1. 打开新的窗口并传送参数:
K7e4_ZGI v!42DA) 传送参数:
uNHdpni response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
z305{B:Y 2/36dGFH 接收参数:
[EY`am8[ string a = Request.QueryString("id");
Kzb`$CGK string b = Request.QueryString("id1");
[ U8$HQ+x _TUt9} 2.为按钮添加对话框
%d m-?` Button1.Attributes.Add("onclick","return confirm(’确认?’)");
o<l 2 r button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
8L5!T6+D& ~:lKS;PRuK 3.删除表格选定记录
IN7<@OS7 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
]~>K\i string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
\OC6M` / [4+q+ 4.删除表格记录警告
B|%tE{F private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
=q(GHg;' {
Jqr)V2Y switch(e.Item.ItemType)
JR9$.fGJ {
s?3i)Ymr case ListItemType.Item :
I,ci >/+b case ListItemType.AlternatingItem :
XM|%^ry case ListItemType.EditItem:
Y'`"9Db TableCell myTableCell;
TNY4z(r myTableCell = e.Item.Cells[14];
,>LRa LinkButton myDeleteButton ;
la$%H<,7 myDeleteButton = (LinkButton)myTableCell.Controls[0];
MS<SAD>w myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
p"`% break;
u>.y:> default:
rrs"N3!aT break;
99OD=pxQ }
7Bz*r0 9S ~VTs:h }
Y7U&Q:5'
1;| LI? 5.点击表格行链接另一页
2GWDEgI1o private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
b^`AJK {
*s)}Bj //点击表格打开
Eff\Aq{ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
F6S~$< e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
4B-yTyO }
r;iV$Rq! *(GZ^QH. 双击表格连接到另一页
8v
yG*UK {UH9i'y:t 在itemDataBind事件中
:DkAQ-<~ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
beZ(o?uK {
\
Aq;Q? string OrderItemID =e.item.cells[1].Text;
Y/U{Qc\6 ...
VY'Q|[ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
W7UtA.2LT }
Jm(ixekp =qoRS0Qa 双击表格打开新一页
2H[)1|]l if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~U}Mv{y {
noA-) string OrderItemID =e.item.cells[1].Text;
.Gb+\E{M ...
*j*Du+ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
0jB X5 }
+nZRi3yu= iRV;Fks ★特别注意:【?id=】 处不能为 【?id =】
}uX|5&=~f 6.表格超连接列传递参数
kI*Uk M- <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
eZF'Ck y <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
K]N~~*`%` uhn%lV] 7.表格点击改变颜色
s` >H if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
B}*V%}:) {
-G ?%QG`v e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
w;yx<1f this.style.color=’buttontext’;this.style.cursor=’default’;");
f\ "`7 }
l+
T,2sd C?H{CP 写在DataGrid的_ItemDataBound里
V,QwN& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
WOndE=(V {
RfbdBsL e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
K&pM o. this.style.color=’buttontext’;this.style.cursor=’default’;");
dc^Vc{26Z e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
}.%s
xw }
;; LuU<,$ aIGn9:\ _J"mR]I+ 8.关于日期格式
=B5E0x rB]W,8~% 日期格式设定
b>q6:=(( DataFormatString="{0:yyyy-MM-dd}"
^!>.97* ;9rTE|n 我觉得应该在itembound事件中
B1w0cS%%: e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
~%aJFs Xu<FD jr 9.获取错误信息并到指定页面
sC6r.@[u8t ec?1c&E 不要使用Response.Redirect,而应该使用Server.Transfer
z<QIuq $y6rvQ
2>S e.g
`V~LV<v5 // in global.asax
,^+#M{Z protected void Application_Error(Object sender, EventArgs e) {
-RCv7U` if (Server.GetLastError() is HttpUnhandledException)
D5[VK`4Z Server.Transfer("MyErrorPage.aspx");
ftW{C1,U7 ho|8U //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
gN\*Y }
ris;Iu^v0 Cji#?!Ra? Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
;x RjQR Z]e4pR6! 10.清空Cookie
~GYpat Cookie.Expires=[DateTime];
G*Ib^;$u Response.Cookies("UserName").Expires = 0
|)';CBb 4d6%
t2 11.自定义异常处理
;:^ Lv //自定义异常处理类
|?|K\UF(Y using System;
6#?NL]A using System.Diagnostics;
!Pe1o-O g(aNyn namespace MyAppException
-}AE\qXs/ {
Ku&*`dME /// <summary>
{SHqW5VX /// 从系统异常类ApplicationException继承的应用程序异常处理类。
/9TL&_A-T /// 自动将异常内容记录到Windows NT/2000的应用程序日志
iZu:uMoc /// </summary>
lSs^A@s public class AppException:System.ApplicationException
aC}vJ93i {
xtu]F public AppException()
H&u4v2
{
I4CHfs"ar if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
w2KWa-BO }
:MdEr//w XzlIW&"uC public AppException(string message)
^h"n03VFA {
t3Qm-J}wSB LogEvent(message);
7rJ9
}/<I }
[ArO$X3\ (,d/JnP public AppException(string message,Exception innerException)
JgxA^>|9; {
VEr 6uvB LogEvent(message);
kkHTbn=! if (innerException != null)
t{[gKV-b {
#Ul4&QVeg LogEvent(innerException.Message);
{4o\S }
PGMv(}%; }
A/hpYa p5D5%B/ //日志记录类
sio)_8tp using System;
EI%M
Azj} using System.Configuration;
;7wwY$PBH using System.Diagnostics;
+$(71#'y using System.IO;
8Yo-~,Gb using System.Text;
`X3Xz! using System.Threading;
V>1D1 3^j~~"2,w namespace MyEventLog
<!$dp9y. {
|R[v@c`pn /// <summary>
QQ5lW /// 事件日志记录类,提供事件日志记录支持
JTSq{NN /// <remarks>
-B<O_*wOj /// 定义了4个日志记录方法 (error, warning, info, trace)
',L{CQA?c /// </remarks>
HKq2Js /// </summary>
Z TN:|IKT public class ApplicationLog
T][-'0! {
M"k3zK, /// <summary>
D{Hh#x8Y /// 将错误信息记录到Win2000/NT事件日志中
^zBjG/'7 /// <param name="message">需要记录的文本信息</param>
bEVO<x+ /// </summary>
'*o7_Ez-{ public static void WriteError(String message)
bd@*vu}?} {
%s~NQ;Y WriteLog(TraceLevel.Error, message);
N1D6D$s 0 }
8o*\W$K@ 5KL9$J9k /// <summary>
<^H1)=tlF /// 将警告信息记录到Win2000/NT事件日志中
Bf D,z /// <param name="message">需要记录的文本信息</param>
\O8Y3|< /// </summary>
m1~qaD<DZ$ public static void WriteWarning(String message)
fW_}!`: {
d~togTs1 WriteLog(TraceLevel.Warning, message);
yYxeNE" }
5`1(} */0vJz%<.M /// <summary>
Verbmeg&n /// 将提示信息记录到Win2000/NT事件日志中
GnSgO-$" /// <param name="message">需要记录的文本信息</param>
bLU^1S8Z /// </summary>
FYx `o\ public static void WriteInfo(String message)
~zXG<}n {
UFzM# WriteLog(TraceLevel.Info, message);
7yq7a[Ra }
LUe>)eqw /// <summary>
~!a~C~_ /// 将跟踪信息记录到Win2000/NT事件日志中
``2QOu 1 /// <param name="message">需要记录的文本信息</param>
C8bGae( /// </summary>
8o8b'tW^ public static void WriteTrace(String message)
$UFge%`,q@ {
0)6i~Mg lY WriteLog(TraceLevel.Verbose, message);
:Y}Y&mA4 }
STFQ";z$ |Ak =-. /// <summary>
. Ce&9l /// 格式化记录到事件日志的文本信息格式
jkQt'! /// <param name="ex">需要格式化的异常对象</param>
zkT`] @`J /// <param name="catchInfo">异常信息标题字符串.</param>
X]&;8 /// <retvalue>
<WQ<<s@#pb /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
K$37}S5 /// </retvalue>
t?du+: /// </summary>
`uM0,Z public static String FormatException(Exception ex, String catchInfo)
bo~{<UT {
Q+u#?[' StringBuilder strBuilder = new StringBuilder();
> hDsm;,/ if (catchInfo != String.Empty)
oPBg+Bh* {
!yV,|)y5F strBuilder.Append(catchInfo).Append("\r\n");
QKUBh-QFK }
V#-qKV strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
9QX~aX return strBuilder.ToString();
) $l9xx[ }
OW63^wA`s iSZctsqE /// <summary>
-A-hxK*^ /// 实际事件日志写入方法
</+%R"` /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
!%Hl#Pv} /// <param name="messageText">要记录的文本.</param>
(A] m= /// </summary>
k+7M|t.?4 private static void WriteLog(TraceLevel level, String messageText)
R$T[%AGZ. {
&k_wqV try
PcNfTB{ {
r:WgjjA% EventLogEntryType LogEntryType;
R[>;_}5"> switch (level)
7q2"b?|h {
Zy!)8<Cgm' case TraceLevel.Error:
4B3irHs\Q LogEntryType = EventLogEntryType.Error;
v8U1uOR,% break;
qUDz(bFk/ case TraceLevel.Warning:
V ~J2s LogEntryType = EventLogEntryType.Warning;
C\a:eSgaC break;
53,,%Ue case TraceLevel.Info:
guU r1Ij LogEntryType = EventLogEntryType.Information;
xT=kxyu break;
eF8aB?&" case TraceLevel.Verbose:
z|DA
_dG LogEntryType = EventLogEntryType.SuccessAudit;
8[`^(O#\E break;
+/~\b/ default:
].<sAmL^ LogEntryType = EventLogEntryType.SuccessAudit;
HgSmAziv break;
$!l2=^\3 }
U$/Hp#~X lM|WOmD EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Io4:$w //写入事件日志
?lET45' eventLog.WriteEntry(messageText, LogEntryType);
G2yUuyAZ "{ry 9?z }
rlO%%Qn` catch {} //忽略任何异常
Dt~}9HrU }
QIMv9; } //class ApplicationLog
+U_-Lq ) }
\xO2WD X!+Mgh6 12.Panel 横向滚动,纵向自动扩展
5%Fn^u: <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
SX?$H~A ^;k _ 13.回车转换成Tab
l5y#i7 q <script language="javascript" for="document" event="onkeydown">
EYx2IJ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
B[0,\> event.keyCode=9;
@;T#+! </script>
U:P3Z3Y% d-N"m I- onkeydown="if(event.keyCode==13) event.keyCode=9"
gh #w%g1g y~A7pzBZ= 14.DataGrid超级连接列
l-^XW?CfL DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
H;t8(-F@' 't]EkH]BC 15.DataGrid行随鼠标变色
d a?th private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
o4[2`mT {
+}-W.H%` 0 if (e.Item.ItemType!=ListItemType.Header)
76i
rb!- {
2gD{Fgf@N e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
u<y\iZ[
e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
|nH0~P#! }
uQ%HLL-W/ }
>KClH'R2 <]e;tF)+ 16.模板列
+@],$=aE? <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
ZesD( <ITEMTEMPLATE>
NX""?"q <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
>3
.ep}, </ITEMTEMPLATE>
-R$FJbId </ASP:TEMPLATECOLUMN>
ah Xq{> ][5p.owJse <ASP:TEMPLATECOLUMN headertext="选中">
Ah>krE0t <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
4^NHf|UJH <ITEMTEMPLATE>
"0 PN <ASP:CHECKBOX id="chkExport" runat="server" />
np\Q& </ITEMTEMPLATE>
tEX~72v <EDITITEMTEMPLATE>
j_WF38o <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
e$^!~+J7 </EDITITEMTEMPLATE>
]o+|jgkt] </ASP:TEMPLATECOLUMN>
,/b/O4`;y |16BidWi 后台代码
N
evvA(M protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
XsN#<"f;i {
ccRk4xR //改变列的选定,实现全选或全不选。
4%v+ark8 CheckBox chkExport ;
,WDAcQ8\ if( CheckAll.Checked)
muX4 Y1M_ {
@1ta`7# foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.9fluAG {
4e#K.HU_ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
rU^ghF chkExport.Checked = true;
[;#.DH] }
%^%-h}1 }
g+/U^JIc4l else
3N%Evo {
6dy4{i foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
k`~br249 {
b oOw
K? chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
S2
h chkExport.Checked = false;
G~tOCp="p }
2[YD& }
:lQjy@J }
=XBXSW8)DJ q
vVZA* 17.数字格式化
%+!9 Iy4MMU 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
J o(}#_y? <%#Container.DataItem("price","{0:¥#,##0.00}")%>
RMt vEa DJ[#H int i=123456;
0S7Isk2W string s=i.ToString("###,###.00");
446hr zW>@ rtF6Lg 18.日期格式化
_w/N[E * !Y3N<>! 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
aw"%B-N\ L0VR( 显示为: 2004-8-11 19:44:28
S^VV^O5 ^ y8S6ZtA}2 我只想要:2004-8-11 】
+&zC