1. 打开新的窗口并传送参数:
R/Bjc}J' W&)f#/M8 传送参数:
Nh }-6|M response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
))f@9m g:ky;-G8b 接收参数:
-0kMh.JYR string a = Request.QueryString("id");
$<nRW*d string b = Request.QueryString("id1");
%W\NYSm hmo4H3g!N 2.为按钮添加对话框
L%/>Le}VX Button1.Attributes.Add("onclick","return confirm(’确认?’)");
W+1nf:AI. button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
PL{lYexJ ?D _4KFr 3.删除表格选定记录
:rQDA=Ps int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
eN.6l2- string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
XYuX+&XW/ iL);bv W 4.删除表格记录警告
1>rQ).eT private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
!DFTg4xb {
P"^Yx8 L# switch(e.Item.ItemType)
<q!HY~"V {
,HTwEq>-G case ListItemType.Item :
kD )31P case ListItemType.AlternatingItem :
b4cTn 6 case ListItemType.EditItem:
7>y]uT@ar TableCell myTableCell;
v4s4D1} myTableCell = e.Item.Cells[14];
bWp:!w#K LinkButton myDeleteButton ;
W,6q1 myDeleteButton = (LinkButton)myTableCell.Controls[0];
iv_3R}IbX myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
JI]Lz1i break;
9!n95 default:
y EfAa6 break;
s(3u\#P }
m_oUl(pk _Sfu8k>): }
/C Xg$%\ -LRx}Mb9 5.点击表格行链接另一页
|.$B,cEd private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
pJ}U'*Z2 {
l+F29_o# //点击表格打开
yZ,pH1 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_ikKOU^8 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
OU7OX]h }
]NTQF/ G<-KwGy,D 双击表格连接到另一页
4AJT)I. %<nGm\ 在itemDataBind事件中
8iaMr278W if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&?bsBqpN {
~/K&=xE string OrderItemID =e.item.cells[1].Text;
NzyEsZ]$ ...
"=s}xAM|A e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
?wG }
sx=1pnP9` 2[`n<R\ 双击表格打开新一页
y4jiOhF<d if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
0vfMJzk {
j[gqS% string OrderItemID =e.item.cells[1].Text;
9`/e=RL ...
gPB=Z! e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
,= ApnNUgX }
S;#:~?dU a%m
)8N;C ★特别注意:【?id=】 处不能为 【?id =】
5*Zz_ . 6.表格超连接列传递参数
^2$b8]q <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
YU-wE';H6 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
TxK
v!-1 \A\ 7.表格点击改变颜色
,c`6- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
{z_cczJ- {
/ojwOJ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
a. D cmy{ this.style.color=’buttontext’;this.style.cursor=’default’;");
W?zj^y[w }
j:1N&7<FU 02;'"EmP$ 写在DataGrid的_ItemDataBound里
YX,;z/Jw2 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
seK;TQ3/7 {
VdM Ksx`r e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
@4*eH\3 this.style.color=’buttontext’;this.style.cursor=’default’;");
vzI>:Bf e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
i=n;rT }
liPrxuP` L@[}sMdq( V)~b+D 8.关于日期格式
3l~7 1YMi4. 日期格式设定
=p[Sd*d DataFormatString="{0:yyyy-MM-dd}"
%IVM1 Xk%eU>d 我觉得应该在itembound事件中
vo
}4N[]Sb e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Kn$E{ F\ .jP|b~ 9.获取错误信息并到指定页面
P??P"^hU Vbp@n 不要使用Response.Redirect,而应该使用Server.Transfer
}|Q\@3& kK}?NKqT e.g
B^TgEr // in global.asax
I/St=-; protected void Application_Error(Object sender, EventArgs e) {
C<a&]dN/ if (Server.GetLastError() is HttpUnhandledException)
K{I "2c Server.Transfer("MyErrorPage.aspx");
5Xxdm-0 :dbO|]Xf //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Y54yojvV }
$> QJ%v9+ {wSz >, Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
.R`_"7 /PaS<"<P@ 10.清空Cookie
aU.3 Cookie.Expires=[DateTime];
%u9Q` Response.Cookies("UserName").Expires = 0
Mj>QV(L8t /V+7:WDj 11.自定义异常处理
k}g4? //自定义异常处理类
qmnl using System;
8SroA$^n using System.Diagnostics;
"kcix!}& [Y`E"1f2 namespace MyAppException
lQ^"-zO4 {
*N
~'0"# /// <summary>
~u0<c:C^ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
/<T{g0s /// 自动将异常内容记录到Windows NT/2000的应用程序日志
w]xr
~D+ /// </summary>
#lMIs4i. public class AppException:System.ApplicationException
8v/,<eARJ {
MX#LtCG#V public AppException()
ZZkc) @ {
DS4y@,/)' if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
GKWsJO5 n }
+}udIi3:l eW<NDI&b public AppException(string message)
W^HE1Dt] {
a|y'-r90 LogEvent(message);
#G(ivRo }
EY !o#m l2M( public AppException(string message,Exception innerException)
u"7!EhX& {
L^CB#5uG LogEvent(message);
5>S1lyam if (innerException != null)
^ux'-/ {
L"1AC&~u LogEvent(innerException.Message);
=`(W^&| }
P(b~3NB) }
$rQ7"w J } @3q;u ) //日志记录类
\goiW;b using System;
Zonn using System.Configuration;
PL31(!`@d using System.Diagnostics;
N8x&<H using System.IO;
.P5'\ using System.Text;
'"Uhw$#t using System.Threading;
$P8AU81 Rc9>^>w namespace MyEventLog
1)97AkN(O {
a|]deJU^ /// <summary>
.*"KCQGOgM /// 事件日志记录类,提供事件日志记录支持
\TzBu?,v8 /// <remarks>
#:Q\ /// 定义了4个日志记录方法 (error, warning, info, trace)
QS4~":D/C /// </remarks>
S~m8j|3K /// </summary>
nRX'J5Q
m< public class ApplicationLog
(u@X5O(a {
NyC&j`d /// <summary>
2Kr8#_) 0 /// 将错误信息记录到Win2000/NT事件日志中
7;.Iat9gMf /// <param name="message">需要记录的文本信息</param>
z^9rM" /// </summary>
XLYGhM public static void WriteError(String message)
>ZgV8X: {
`l70i2xcj WriteLog(TraceLevel.Error, message);
V#Y"0l+~ }
@|w/`!}9q x@)cj /// <summary>
M.qv'zV`xG /// 将警告信息记录到Win2000/NT事件日志中
1n6%EC|X /// <param name="message">需要记录的文本信息</param>
Z{
9Io/ /// </summary>
($UUgjv F public static void WriteWarning(String message)
>^,?0HP {
gCRPaF6 WriteLog(TraceLevel.Warning, message);
;2?fz@KZ }
u+6L>7t88I D^s#pOZS /// <summary>
&>Z;>6J, /// 将提示信息记录到Win2000/NT事件日志中
[\fwnS_1 /// <param name="message">需要记录的文本信息</param>
E}0g /// </summary>
1jBIi public static void WriteInfo(String message)
Xyz/CZPi {
Zv
mkb%8 WriteLog(TraceLevel.Info, message);
;5T}@4m|r }
yP` K [/ /// <summary>
FH%:NO /// 将跟踪信息记录到Win2000/NT事件日志中
M djxTr^ /// <param name="message">需要记录的文本信息</param>
nHF~a?|FT /// </summary>
`|92!Ej public static void WriteTrace(String message)
;1_3E2E$ {
Fwvc+ a WriteLog(TraceLevel.Verbose, message);
Tk 'Pv }
;>5]KNj
Dequ' /// <summary>
uB6Mjdp6 /// 格式化记录到事件日志的文本信息格式
?djH! /// <param name="ex">需要格式化的异常对象</param>
I^n,v )
8 /// <param name="catchInfo">异常信息标题字符串.</param>
JXt_ /// <retvalue>
Ck
m:;q /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
aehB,l0 /// </retvalue>
_T805<aUW\ /// </summary>
%'X7T^uE public static String FormatException(Exception ex, String catchInfo)
k7sD"xR3 {
dxS5-aWy9w StringBuilder strBuilder = new StringBuilder();
Cd6th
F) if (catchInfo != String.Empty)
33~8@]b {
z'O+B} strBuilder.Append(catchInfo).Append("\r\n");
k1P'Q&Na }
qMA";Frt3N strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
NCo!n$O1~ return strBuilder.ToString();
8B!QqLqK }
MlS5/9m@^ @1bl<27 /// <summary>
G%!i="/9 /// 实际事件日志写入方法
{}RU'<D
/// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
{z;K0 /// <param name="messageText">要记录的文本.</param>
0#m=76[b /// </summary>
Gv#bd05X private static void WriteLog(TraceLevel level, String messageText)
[yc7F0Aw {
=C|^C3HK try
M*Q}^<E* {
(KPD`l8. EventLogEntryType LogEntryType;
Z?&ZgaSz switch (level)
/m^G 99N {
HvZSkq^ case TraceLevel.Error:
|-cXb.M[ LogEntryType = EventLogEntryType.Error;
1IT(5Mleb break;
7j#Ix$Ur case TraceLevel.Warning:
bkpN`+c LogEntryType = EventLogEntryType.Warning;
<{YzmN\Z break;
23'{{@30 case TraceLevel.Info:
FKhgUnw LogEntryType = EventLogEntryType.Information;
@FF{lK?[
break;
ofI,[z3 case TraceLevel.Verbose:
sint":1FC LogEntryType = EventLogEntryType.SuccessAudit;
'w<^4/L Q break;
^LXsU]
R default:
3Tw9Uc\vT LogEntryType = EventLogEntryType.SuccessAudit;
cT&lkS break;
O69TU[Vn }
~*^o[~x]\ c@nh>G:y{& EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
bJ6H6D> //写入事件日志
z/p^C~|} eventLog.WriteEntry(messageText, LogEntryType);
Fo~q35uB $S2
/* }
tWaGCxaE catch {} //忽略任何异常
7A$mZPKh }
O@dK^o } //class ApplicationLog
bTAY5\wB }
,C_MB1u ,K30.E 12.Panel 横向滚动,纵向自动扩展
OJM2t`}_t <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
9q[[
,R
Are0Nj&? 13.回车转换成Tab
\CS4aIp <script language="javascript" for="document" event="onkeydown">
j+gh*\:q if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
S+^hK1jL event.keyCode=9;
m*i,|{UZ </script>
Imclz4'8 &h7
n>q onkeydown="if(event.keyCode==13) event.keyCode=9"
b+f
' q& KNK 14.DataGrid超级连接列
W?ghG DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
O9ro{ k Pj BBXI1i 15.DataGrid行随鼠标变色
m0^~VK | private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
C58B(Ndo {
u{D]Kc?n if (e.Item.ItemType!=ListItemType.Header)
uFlf#t
= {
)!G 10 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
z?UEn#E2 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&arJe!K }
PTXS8e4 }
/_8nZVu G<`(d@g 16.模板列
rH\oFCzC <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
R'atg
9 <ITEMTEMPLATE>
fI=p^k: <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
*UG?I|l|I </ITEMTEMPLATE>
$kkL)O*"] </ASP:TEMPLATECOLUMN>
NH=@[t)P, VOg'_#I <ASP:TEMPLATECOLUMN headertext="选中">
x[+bLlb <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
G"Ey%Q2K <ITEMTEMPLATE>
J?4dafkw <ASP:CHECKBOX id="chkExport" runat="server" />
CalWJ </ITEMTEMPLATE>
28-z <EDITITEMTEMPLATE>
I,]q;lEMt <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
:RBeq,QaO </EDITITEMTEMPLATE>
>Af0S;S </ASP:TEMPLATECOLUMN>
OKu~Nb* Z\n^m^Z
= 后台代码
EF9Y=(0| protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
|;p.!FO {
4gmlK,a //改变列的选定,实现全选或全不选。
g2u\gR5 CheckBox chkExport ;
yKm6
8n^
if( CheckAll.Checked)
I58$N+# {
jj 'epbA foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
=k1sF3.V'c {
y Tk1 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
z 61F q chkExport.Checked = true;
e9QjRx }
{QOy'
8/ }
Wu8zK=Ve( else
tk:G6Bkid {
Bcb
'4*: foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
N6%L4v8-}X {
@s,kx.S chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
''z]o#=^9 chkExport.Checked = false;
;!3: 3; }
P1$D[aF9$ }
ZcTjOy? }
Ahr hb}Qt Q 17.数字格式化
- _%~b pXA|'U5] 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
$uRi/%Q9 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
$}us+hGZ -<" ;|v4 int i=123456;
^B7Ls{ string s=i.ToString("###,###.00");
=OTu8_ d0t MvaX>n!o 18.日期格式化
>m%7dU \uJ+~db= 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Fp]ErDan cXYE!( 显示为: 2004-8-11 19:44:28
6C
?,V3Z <