1. 打开新的窗口并传送参数:
h<2O+"^ .mS'c#~5Y 传送参数:
#T)gKp response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
i_;]UvP x~O_v 接收参数:
n1)m(,{ string a = Request.QueryString("id");
,7Lu7Q string b = Request.QueryString("id1");
~dqEUu!C *(@[E 2.为按钮添加对话框
O/Wc@Ln Button1.Attributes.Add("onclick","return confirm(’确认?’)");
BcTV5Wcr button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
& 5YI!; q, al\ R(\p| 3.删除表格选定记录
cvf#^Cu
int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Z,Tv8; string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
#
OQ(oyT YVLaO*(f 4.删除表格记录警告
V0WFh=CM@ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
t[L'}ig!q {
wq&TU'O switch(e.Item.ItemType)
ddD $ 4+ {
Z)zmT%t case ListItemType.Item :
lF LiW case ListItemType.AlternatingItem :
gobqS+c case ListItemType.EditItem:
KIUa TableCell myTableCell;
wKAc ;! myTableCell = e.Item.Cells[14];
pn~$u LinkButton myDeleteButton ;
\uV;UH7qe myDeleteButton = (LinkButton)myTableCell.Controls[0];
FPPGf!Eq myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
^Ru/7pw5 break;
FLekyJmw~ default:
G?6[K&w break;
f)+fdc }
[0e}%!%M VXAgp6 }
C[O \aW P1
`-OM 5.点击表格行链接另一页
=' cr@[~i private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
4RqOg1 {
DNaU
mz //点击表格打开
7L:$Amb_F if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
NN W* e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
OC]_b36v }
6!n%SUt uNYHEs6%T$ 双击表格连接到另一页
)xQA+$H#4 [
Q6v #I 在itemDataBind事件中
1vQj` F if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
[Hww3+~+ {
ukSi9| 1-, string OrderItemID =e.item.cells[1].Text;
8W"~>7/>D ...
eS
jXaZh e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
5sq#bvfJ o }
f13%[RA9N d(L u|/~ 双击表格打开新一页
*5#Y[c if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ZIx,?E+eJ {
_6
~/`_(KP string OrderItemID =e.item.cells[1].Text;
vxo iPqo ...
J,E'F!{ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
h^5'i}@u }
xla9:*pPn toEmIa~o6 ★特别注意:【?id=】 处不能为 【?id =】
'qhA4W9 6.表格超连接列传递参数
}cE,&n <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
k]"Rg2>% <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
,g$N Ee##:I[z 7.表格点击改变颜色
X] /r'Tz if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Au,}5=+`P {
'@iS5Fni e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
~J6c1jG this.style.color=’buttontext’;this.style.cursor=’default’;");
;%#@vXH[Oo }
Ss&R!w9p fmvv
q1G& 写在DataGrid的_ItemDataBound里
'+|{4-V if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
m(8t |~S {
@fbB3 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
H0s,tTK8 this.style.color=’buttontext’;this.style.cursor=’default’;");
Nze#u; e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
{q"l|Oe }
ge[+/$(1 S3Tww]q d*T;RBk 8.关于日期格式
CBTa9|57 q7wd9 6G: 日期格式设定
xU^Flw,4 DataFormatString="{0:yyyy-MM-dd}"
uM0z%z5b F[c;iM(^ 我觉得应该在itembound事件中
g/4.^c e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
K{HRjNda# d7u"Z5t 9.获取错误信息并到指定页面
X.g")Bt7 )=X8kuB~ 不要使用Response.Redirect,而应该使用Server.Transfer
1k\1U 3e:"tus~ e.g
?(!$vqS`f( // in global.asax
;{Y|n_ protected void Application_Error(Object sender, EventArgs e) {
UtiS?w6 if (Server.GetLastError() is HttpUnhandledException)
:D ?%!Q 0 Server.Transfer("MyErrorPage.aspx");
y2^r.6"O Sj}@5 X6 C //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
t.>vLzrU }
;EE*#"IJ yKa}U!$ 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
lBL;aTzo ^ ;$f-e 10.清空Cookie
e4ajT Cookie.Expires=[DateTime];
h.g11xa Response.Cookies("UserName").Expires = 0
9QI\[lT& |9!3{3 11.自定义异常处理
<Dt,FWWkv' //自定义异常处理类
d;(L@9HHD using System;
Ni{(=&*= using System.Diagnostics;
PS@`
=Z j+J)S1 namespace MyAppException
7Z"mVh} {
>wM%|j' /// <summary>
SA{A E9y /// 从系统异常类ApplicationException继承的应用程序异常处理类。
ZsUxO%jP /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Cfb/f]*M /// </summary>
zpIl'/i public class AppException:System.ApplicationException
2:/' {
2,;+) public AppException()
EH] 5ZZ[Z {
p H?VM&x if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
RWXj)H)w }
F1)Q#ThF\ ,$sq]_t public AppException(string message)
Hv<%_t_/ {
l8%x(N4 LogEvent(message);
iH(
K[F / }
WUdKj Z.:5<oEKg public AppException(string message,Exception innerException)
Yk:fV &] {
5}~*,_J2Z LogEvent(message);
oFHVA!lqe if (innerException != null)
9ToM5oQ {
J~DP*}~XK LogEvent(innerException.Message);
7~eo^/PbS }
-^$CGRE6A }
n@5pS3qZ brNe13d3~" //日志记录类
V@84Cb using System;
JXGIVH?Rpu using System.Configuration;
iX.=8~3 using System.Diagnostics;
Rmn| "ZK using System.IO;
X!CLOHVAa using System.Text;
Q{H88g^=J using System.Threading;
\h :Rw| Zo;@StN3}T namespace MyEventLog
xp1
+C{ {
*WfOB2rU /// <summary>
-t?S:9[w /// 事件日志记录类,提供事件日志记录支持
g;\zD_":l /// <remarks>
e&7GW9FSg /// 定义了4个日志记录方法 (error, warning, info, trace)
x7l)i!/$ /// </remarks>
/!JpmI /// </summary>
JQsS=m7Et public class ApplicationLog
M[R, m_p {
CTR|b}! /// <summary>
Zx55mSfx: /// 将错误信息记录到Win2000/NT事件日志中
8S@ ~^D /// <param name="message">需要记录的文本信息</param>
@+Berb /// </summary>
Otn,(j;u public static void WriteError(String message)
k^]+I%?Q {
T6Ue\Sp' WriteLog(TraceLevel.Error, message);
_xAdvr' W }
@p|[7' l8GziM{lp /// <summary>
\?GUGs /// 将警告信息记录到Win2000/NT事件日志中
`\q4z-<- /// <param name="message">需要记录的文本信息</param>
A]BG* /// </summary>
p."pI Bd public static void WriteWarning(String message)
Zj~tUCc {
T
{(6*^g<B WriteLog(TraceLevel.Warning, message);
?O\n!c }
6VQ*z8wLw =35EG{W( /// <summary>
#TZYe4#f /// 将提示信息记录到Win2000/NT事件日志中
8_Y{7;<ey /// <param name="message">需要记录的文本信息</param>
{TzKHnP /// </summary>
]J;^< 4l
public static void WriteInfo(String message)
]! [ewO@ {
@a>+r1 WriteLog(TraceLevel.Info, message);
ECg/ge2 }
N~\1yQT /// <summary>
A<9ZX=DAjw /// 将跟踪信息记录到Win2000/NT事件日志中
YANg2L>MK /// <param name="message">需要记录的文本信息</param>
x
nWapG /// </summary>
/qo. Z public static void WriteTrace(String message)
/_x?PiL {
+%?_1bGX> WriteLog(TraceLevel.Verbose, message);
Bu>srX9f }
HHWB_QaL ;'}1 /// <summary>
4rwfY<G /// 格式化记录到事件日志的文本信息格式
@ L% 3} /// <param name="ex">需要格式化的异常对象</param>
Cg}cD. /// <param name="catchInfo">异常信息标题字符串.</param>
8cfxKUS /// <retvalue>
uzho>p[ae /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
H `),PY2 /// </retvalue>
+X
cB 5S> /// </summary>
q^([ & + public static String FormatException(Exception ex, String catchInfo)
#2_phm' {
D
gY2:&0 StringBuilder strBuilder = new StringBuilder();
{G%`K,T if (catchInfo != String.Empty)
!(uyqplTk {
,Ztj strBuilder.Append(catchInfo).Append("\r\n");
["MF-tQ5 }
22}J.'Zb strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
G0CmY43 return strBuilder.ToString();
_s|C0Pt }
~hE"B)
e tE3!; /// <summary>
-AD3Pd|Y[ /// 实际事件日志写入方法
{/XzIOO;b /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
p!|Wp /// <param name="messageText">要记录的文本.</param>
>Ah [uM /// </summary>
B6MMn. private static void WriteLog(TraceLevel level, String messageText)
ysGK5kFz {
asj^K|.z try
-?2ThvT {
4}W*,&_ EventLogEntryType LogEntryType;
#&1mc_`/ switch (level)
,D+pGxbr
{
h[ba$S,T case TraceLevel.Error:
z1T.\mzfX LogEntryType = EventLogEntryType.Error;
$w)yQ % break;
5mnIQ~psR case TraceLevel.Warning:
E2LpQNvN%g LogEntryType = EventLogEntryType.Warning;
]hS4'9lD break;
?bmP<(N5/ case TraceLevel.Info:
T.`E DluG LogEntryType = EventLogEntryType.Information;
.N5}JUj break;
c:>&Bg&,6T case TraceLevel.Verbose:
u~bk~3.I LogEntryType = EventLogEntryType.SuccessAudit;
lyF~E break;
vtCt6M default:
vbmi_[,U LogEntryType = EventLogEntryType.SuccessAudit;
<^
@1wg break;
?\(E+6tpP }
jXSo{ &}OaiTzEmc EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
)f*&}SV //写入事件日志
uPr@xff eventLog.WriteEntry(messageText, LogEntryType);
ht!o_0{~ a+uSCs[C }
vCFMO3 catch {} //忽略任何异常
^UEI`_HO0 }
t}c ymX~ } //class ApplicationLog
P"XF|*^U }
QuT8(s1Q! kHo0I8
12.Panel 横向滚动,纵向自动扩展
(Z,v)TOXjV <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
PUuxKW} \WQ\q
\ 13.回车转换成Tab
GXYmJ4wR <script language="javascript" for="document" event="onkeydown">
5T:e4U&
if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
HIk5Q'e k event.keyCode=9;
x5.HdKV </script>
Rd&2mL ZMt9'w; onkeydown="if(event.keyCode==13) event.keyCode=9"
2h IM!wQ Uk`ym 14.DataGrid超级连接列
;8'hvc3i$ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
B~D{p t3y /[q6"R!uMz 15.DataGrid行随鼠标变色
4fT,/[k? private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
J LT10c3 {
=$X5O&E3' if (e.Item.ItemType!=ListItemType.Header)
Z[)t34EY" {
$k,Z)2 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Ckj2$c~ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
g1@zk$ }
t:eZ`6o$T\ }
I+rHb<
P% _<6
^r 16.模板列
MT[V1I{LV <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
IGV @tI <ITEMTEMPLATE>
?w#V<3= <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
^vn8s~# </ITEMTEMPLATE>
yS[:C
2v </ASP:TEMPLATECOLUMN>
6y)TXp 47|Lk]+O <ASP:TEMPLATECOLUMN headertext="选中">
n;@PaE^8= <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
s )POtJ< <ITEMTEMPLATE>
+0{m(%i <ASP:CHECKBOX id="chkExport" runat="server" />
6NPCp/ </ITEMTEMPLATE>
MCZTeYnx <EDITITEMTEMPLATE>
!g
# <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
<1YINkRz </EDITITEMTEMPLATE>
f=+|e"i#p </ASP:TEMPLATECOLUMN>
r{!]`
'8 IDQ@h`"B 后台代码
d&BocJ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
qsOA(+ZP {
\T`InBbf //改变列的选定,实现全选或全不选。
wN>k&J CheckBox chkExport ;
k|k if( CheckAll.Checked)
5^<X:1J$ {
EiQX*v foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
B7zyMh {
4nK\gXz19 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
{;4Y5kj chkExport.Checked = true;
)e(Rf!P{ }
29("gB }
9^6E>S{= else
QkS~~|0EI> {
&_Z