1. 打开新的窗口并传送参数:
(R^X3 kucH=96 传送参数:
r{oRN response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
*?Hc8y-dG, aY:u-1 接收参数:
v+\&8)W= string a = Request.QueryString("id");
PydU.,^7 string b = Request.QueryString("id1");
_,r2g8qm d2'1
6.lV 2.为按钮添加对话框
nh"8on]M~ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
:Y4m3| button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
JTg:3<L z{;~$." 3.删除表格选定记录
mE1m int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
oUSv)G.zb string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
)?d(7d-l Qdt4h$~V" 4.删除表格记录警告
s}w?Dvo \ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
z[vHMJ
0 {
y}aKL(AaU switch(e.Item.ItemType)
^:hI bF4G {
\tCxz(vKz case ListItemType.Item :
Lp1\vfU<+ case ListItemType.AlternatingItem :
I(rZ(|^A case ListItemType.EditItem:
u9c^:Op TableCell myTableCell;
*I)F5M myTableCell = e.Item.Cells[14];
eHX;*~e6) LinkButton myDeleteButton ;
<rQ+ErDA myDeleteButton = (LinkButton)myTableCell.Controls[0];
4eD>DW myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
QYB66g: break;
T~D2rt\ default:
UO~Xzx!e break;
rl/]Ym4j }
pc+'/~ a+!r5689 }
OV>JmYe1{/ 6j2mr6o 5.点击表格行链接另一页
J?y0RX private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Xzn}gH] {
8u|F %Sg //点击表格打开
*@+E82D if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Z@1vJH6IbA e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
lEXER^6 }
Mp-hNO}.Z wf` e3S 双击表格连接到另一页
%+8"-u 1#Q~aY 在itemDataBind事件中
j3t,Cx if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%3kS;AaA {
Y[~Dj@Q< string OrderItemID =e.item.cells[1].Text;
tS[@3h ...
|#i|BVnoE e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
<>71;%e;' }
z%lLbKSe i8nzPKF2$3 双击表格打开新一页
fVvB8[(;~ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
qmy3pnL {
1`q>*S]( string OrderItemID =e.item.cells[1].Text;
wdMVy=SS ...
OAiSE` e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
v$d^>+Y# }
`z1E]{A -]~KQvIH! ★特别注意:【?id=】 处不能为 【?id =】
*S= c0 6.表格超连接列传递参数
VRQD
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
hVGK%HCz& <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
JqTR4[`Z\ )RCva3Ul 7.表格点击改变颜色
@3v[L<S{ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
EvGKcu {
g3*J3I-O e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
bAwFC2jO[ this.style.color=’buttontext’;this.style.cursor=’default’;");
1e)5D& njS }
`:*O8h~i^8 L "[>tY 写在DataGrid的_ItemDataBound里
3uy^o if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
W*WSjuFr2 {
v/G)E_ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
iF^
this.style.color=’buttontext’;this.style.cursor=’default’;");
4?',E ddo e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
V2oXg }
~{00moN"m d`sIgll&n f=cj5T:[ 8.关于日期格式
\N a `gE_u 日期格式设定
kP[LS1}* DataFormatString="{0:yyyy-MM-dd}"
N / Fa^[ IfzW%UL 我觉得应该在itembound事件中
rp_Aw e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
c 4
bo q Oyo+hu 9.获取错误信息并到指定页面
"?Yf3G: \0 iPK:gK3Q 不要使用Response.Redirect,而应该使用Server.Transfer
!.cno& )\m%&EXG{ e.g
j<PpCL_8% // in global.asax
h
{M=V protected void Application_Error(Object sender, EventArgs e) {
s<'WTgy1i if (Server.GetLastError() is HttpUnhandledException)
9R3YUW}s Server.Transfer("MyErrorPage.aspx");
%T,cR>lw *}RV)0mif //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
b~Un=-@5a }
YDjjhe+ XFi!=|F 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
,tl(\4n M-zqD8D 10.清空Cookie
jpt-5@5O Cookie.Expires=[DateTime];
c+N\uG4 Response.Cookies("UserName").Expires = 0
!n`Y^ >o4Ih^VB 11.自定义异常处理
J|@kF!6 //自定义异常处理类
ftRzgW); using System;
7R#$Hm using System.Diagnostics;
2B[I-
K s bOdQ+Y6 namespace MyAppException
HSlAm&Y\ {
ppR;v /// <summary>
W0\
n?$ZC~ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
I!u fw\[ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
#<81`% /// </summary>
Co^GsUJ public class AppException:System.ApplicationException
EncJB {
[?S-on. public AppException()
Tu7}*vsR
{
.q5WK#^ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
UE 1tm }
3)3$ L J{r3y&: public AppException(string message)
v
O@7o {
CH] +S>$ LogEvent(message);
gT#hF]c: }
@2/xu 1+9}Xnxb public AppException(string message,Exception innerException)
bq"dKN` {
>slGicZ0 LogEvent(message);
5uO.@0 if (innerException != null)
]}d.h!`<) {
k[8{N LogEvent(innerException.Message);
C7_nA:Rc }
3}nkTZ G }
O>/&-Wk= -^WW7 g` //日志记录类
A k+MREG using System;
"#=WD using System.Configuration;
sG:tyvln using System.Diagnostics;
2SJ|$VsLaE using System.IO;
arb'.:[z^ using System.Text;
!b?`TUt using System.Threading;
gbT1d:T e6
a]XO^ namespace MyEventLog
]z"7v {
-jcgxQH53 /// <summary>
FSHC\8siS /// 事件日志记录类,提供事件日志记录支持
"4WwiI9 /// <remarks>
&e;GoJ /// 定义了4个日志记录方法 (error, warning, info, trace)
4rH:`494 /// </remarks>
!H4C5wDu /// </summary>
hZUnNQ public class ApplicationLog
(x1 #_~ {
1aS66TS3 /// <summary>
O%m>4OdH /// 将错误信息记录到Win2000/NT事件日志中
Km!~zG7< /// <param name="message">需要记录的文本信息</param>
/m8&E*+T1 /// </summary>
K yDPD' public static void WriteError(String message)
%%^by {
aSQvtv)91 WriteLog(TraceLevel.Error, message);
;\rKkH"K8n }
{:ZsUnzm FSA"U9 w< /// <summary>
ySNXjH
Q= /// 将警告信息记录到Win2000/NT事件日志中
cp L ' /// <param name="message">需要记录的文本信息</param>
]Aa.= /// </summary>
w?"s6L3 public static void WriteWarning(String message)
Tu7sA.73k {
}<mK79m WriteLog(TraceLevel.Warning, message);
CkEbSa<)hK }
*L=F2wW BiD}C /// <summary>
TA>28/U# /// 将提示信息记录到Win2000/NT事件日志中
*IV_evgM7 /// <param name="message">需要记录的文本信息</param>
6w*q~{"( /// </summary>
n--w-1 public static void WriteInfo(String message)
`Uy4> ? {
M:cW/&ZJ WriteLog(TraceLevel.Info, message);
,&0iFUwN_ }
Or"+d 5 /// <summary>
Usf7
AS= /// 将跟踪信息记录到Win2000/NT事件日志中
w/Y6m.i1 /// <param name="message">需要记录的文本信息</param>
y({ EF~w /// </summary>
}o2e&.$4d public static void WriteTrace(String message)
+~!\;71:f {
oh.8WlI WriteLog(TraceLevel.Verbose, message);
#6F/:j; }
Qcs>BOV~ *S] K@g /// <summary>
N)o/}@]6 /// 格式化记录到事件日志的文本信息格式
faPgp /// <param name="ex">需要格式化的异常对象</param>
IT0 [;eqR /// <param name="catchInfo">异常信息标题字符串.</param>
EbMG9 /// <retvalue>
T5? eb" /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
V8+8?5'l /// </retvalue>
wfrSI:+> /// </summary>
Z Ne(sg~G public static String FormatException(Exception ex, String catchInfo)
=SpD6
9-H {
G ,?l
o=m StringBuilder strBuilder = new StringBuilder();
l@<yC-Xd if (catchInfo != String.Empty)
+WB';D {
Y^9b>H\2 strBuilder.Append(catchInfo).Append("\r\n");
v>E3|w% }
DY?;Z98P? strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
~#nbD-*# return strBuilder.ToString();
uJu#Vr:m }
MT(G=r8 )sG/H8 /// <summary>
@;g|styh^ /// 实际事件日志写入方法
3FhkK/@ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
'D17]Lp~. /// <param name="messageText">要记录的文本.</param>
OVhtU+r /// </summary>
P=PVOt@
b private static void WriteLog(TraceLevel level, String messageText)
pPnJf{ {
1^^9'/ try
#S*cFnd {
:%kJ9zW EventLogEntryType LogEntryType;
&N\4/'wV switch (level)
X}RQ&k {
8w L%(p case TraceLevel.Error:
m5KAKpCR, LogEntryType = EventLogEntryType.Error;
O
cJ(i#Q~< break;
oC >l|?h, case TraceLevel.Warning:
;vLg4k LogEntryType = EventLogEntryType.Warning;
4j VFzO%. break;
PYJ8\XZ1_N case TraceLevel.Info:
5`Oaf\S LogEntryType = EventLogEntryType.Information;
H*V Z&{\7 break;
>TB Rp,;r case TraceLevel.Verbose:
m8C
scCZ} LogEntryType = EventLogEntryType.SuccessAudit;
Mi2lBEu, break;
uZkh. 0yB default:
'c&S%Ra[3G LogEntryType = EventLogEntryType.SuccessAudit;
qTi%].F"G break;
@o4n!Ip2x/ }
v+qHH8 qe_59'K EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
<WGx
6{ //写入事件日志
{3R?<ET]mt eventLog.WriteEntry(messageText, LogEntryType);
a+#Aitd yjB.-o(' }
DqbU$jt` catch {} //忽略任何异常
f<}>*xH/k }
!K5D:x } //class ApplicationLog
CZ.XEMN\ }
YpwMfl4 LG>lj$hO 12.Panel 横向滚动,纵向自动扩展
#oQDt' <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Kta7xtu 4M{]YZMw8 13.回车转换成Tab
N\Li/ <script language="javascript" for="document" event="onkeydown">
H;=++Dh if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
QZ^P2==x event.keyCode=9;
N9jSiRJ </script>
aK4ZH}XHE" h Lv_ER? onkeydown="if(event.keyCode==13) event.keyCode=9"
:bBMy\(u 4E~!$Ustx 14.DataGrid超级连接列
$S_G:}tna DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
"Z70
jkW[ c>pbRUMH 15.DataGrid行随鼠标变色
-lNT"9 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
cs6I
K6wo {
Hb|y`O k if (e.Item.ItemType!=ListItemType.Header)
zv[pfD7a {
+4--Dl? e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
^s[OvJb e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
.GH#`j }
R<FW?z* }
f )K(la^' HMrl!;: 16.模板列
%jRqrICd <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
JMIS*njq^ <ITEMTEMPLATE>
u&\QZW? <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
,8/Con|o </ITEMTEMPLATE>
3D*vNVI </ASP:TEMPLATECOLUMN>
;0 No@G;z zb=L[2; <ASP:TEMPLATECOLUMN headertext="选中">
qsTB)RdjP% <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
DgB]y6~KXl <ITEMTEMPLATE>
PShluhY <ASP:CHECKBOX id="chkExport" runat="server" />
_8eN^oc% </ITEMTEMPLATE>
ZclZD{%8J <EDITITEMTEMPLATE>
6y
d/3k <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
XEvDtDR </EDITITEMTEMPLATE>
0 CFON2I </ASP:TEMPLATECOLUMN>
vh"> Z4 :L'U>)k 后台代码
Lkl+f~m protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
#k*P/I~ {
+K"8Q'&