1. 打开新的窗口并传送参数:
q
j21#q
. j~\FDcG*ed 传送参数:
`T+>E0H(f response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
;rT/gwg! >H;m[ 接收参数:
tx[;& ; string a = Request.QueryString("id");
7Dssr [ string b = Request.QueryString("id1");
Eu&$Rq} ) q'D9x9 2.为按钮添加对话框
U1/I(w Button1.Attributes.Add("onclick","return confirm(’确认?’)");
p2l@6\m\ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
f@ |[pT [Uq`B&F: 3.删除表格选定记录
S[9b
I&C int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
-eK0 +beQ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
w{T$3F`@9 3,G|oR{D 4.删除表格记录警告
yw+]S private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
7Z:HwZ {
~b#<HG\,, switch(e.Item.ItemType)
t*Ro2QZ {
1WqCezI case ListItemType.Item :
-a_qZ7 case ListItemType.AlternatingItem :
bQI :N case ListItemType.EditItem:
]7k:3"wH TableCell myTableCell;
8wd["hga<% myTableCell = e.Item.Cells[14];
9+m>|"F0 LinkButton myDeleteButton ;
|7,$.MK-@ myDeleteButton = (LinkButton)myTableCell.Controls[0];
uZ_?x~V/ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
H74'I} break;
}03?eWk/y default:
<!G /&T break;
;8vB7|54. }
D+0il=5 UGM:'xa<T }
9=iMP~?xF d!<>Fh^6, 5.点击表格行链接另一页
W?E01"p private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
y=\&z&3$ {
KQ9w>!N[ //点击表格打开
,)\G<q
yO6 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]5
]wyDj e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
AX+]Z$ }
\NDW@!X AX{<d@z`j 双击表格连接到另一页
|j'@no_rv DC>?e[oOz 在itemDataBind事件中
V]Ccj\Oi if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
w-)JCdS6Tb {
{-7ovH? string OrderItemID =e.item.cells[1].Text;
`R
(N3 ...
VWdTnu e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Tg@G-6u0c }
.Gr"|uII YSB> WBS-< 双击表格打开新一页
9({ 9 r[U if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;6 d-+(@ {
={o4lFe3v( string OrderItemID =e.item.cells[1].Text;
{c?{M.R ...
;dZZOocV1 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
7mi=Xa:U }
-u~:Gd*l0 ?S=y>b9R ★特别注意:【?id=】 处不能为 【?id =】
dmkGIg} 6.表格超连接列传递参数
k
"7,-0gz <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
d/oD]aAEr <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
h8.(Q`tli 8TH;6-RT 7.表格点击改变颜色
dQH8s if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
{s*1QBM$\Z {
~a7@O^q4 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
4$2HO`@uN this.style.color=’buttontext’;this.style.cursor=’default’;");
T^d<vH }
K\ pZ ?t\GHQ$$? 写在DataGrid的_ItemDataBound里
gP8}d*W%b if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
L28wT)D- {
;
1?L e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Tp~Qg{%Og this.style.color=’buttontext’;this.style.cursor=’default’;");
Gl{2"!mt= e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
[=.iJ5,{2 }
1GR|$E FR50y+h^$ p|0SA=?k" 8.关于日期格式
9@M;\ @&g Yqu/_6wLx 日期格式设定
uW}M1kq?+l DataFormatString="{0:yyyy-MM-dd}"
}|=Fnyj K43`$ 我觉得应该在itembound事件中
x` wUi*G e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
qixnaiZ th"Aatmp 9.获取错误信息并到指定页面
]B&jMj~y& o"N\l{ #s 不要使用Response.Redirect,而应该使用Server.Transfer
o4rf[.z !L|VmLqa e.g
CIwI1VR^ // in global.asax
;6]ag< Q protected void Application_Error(Object sender, EventArgs e) {
W>x.*K if (Server.GetLastError() is HttpUnhandledException)
Zn|lL0b{q Server.Transfer("MyErrorPage.aspx");
Bz,Xg-k+ Y>nQ< //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
gHL:XW^ }
z:Ru` A5}N[|z 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
= =KDr0|G ;L],i<F 10.清空Cookie
/ 8dRql-Ne Cookie.Expires=[DateTime];
SZxnYVY Response.Cookies("UserName").Expires = 0
HsG3s?* 44^jE{,9 11.自定义异常处理
ij_5=4aZ- //自定义异常处理类
,*L3 using System;
b83m'`vRM using System.Diagnostics;
9j;!4AJ1t *gwo.s namespace MyAppException
X"f] {
h^H)p`[Gme /// <summary>
qvh8~[ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
M6Ik 'r"M /// 自动将异常内容记录到Windows NT/2000的应用程序日志
|D;I>O^"R /// </summary>
b9Eb" public class AppException:System.ApplicationException
! v%%_sRV {
+WxD=|p; public AppException()
lH,/N4r*& {
qssK0!- if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
se _Oi$VZ{ }
uqBV KE &xC5Mecb* public AppException(string message)
gazX2P[D {
FYg{IKg LogEvent(message);
/I`- }
k1D|Cpnp 6SAYe%e public AppException(string message,Exception innerException)
1B{u4w7S4e {
oSR;Im<2 LogEvent(message);
sw(|EZ7F if (innerException != null)
H7 {kl {
)5diX
+
k LogEvent(innerException.Message);
1q*=4O
}
D|C!KF ( }
+=kz".$ 2-#&ktM%V //日志记录类
\gir using System;
Jjx1`S*i using System.Configuration;
Wjd_|Kui using System.Diagnostics;
{|q(4(f"Iu using System.IO;
,F|49i.K using System.Text;
%:-2P using System.Threading;
A22'qgKm@ dP/1E6*m namespace MyEventLog
~NK|q5(I {
99Nm? $g /// <summary>
`qy@Qo /// 事件日志记录类,提供事件日志记录支持
SQG9m2 /// <remarks>
qHYoQ.ke /// 定义了4个日志记录方法 (error, warning, info, trace)
7*Gg#XQ>( /// </remarks>
hus9Zv4 /// </summary>
?j8_j public class ApplicationLog
YipL_&- {
Bv}i#D /// <summary>
{%Q+Pzl. /// 将错误信息记录到Win2000/NT事件日志中
7a%)/)<D /// <param name="message">需要记录的文本信息</param>
w[;5]z /// </summary>
VF:<q public static void WriteError(String message)
0*/[z~Z-1 {
7nawnS WriteLog(TraceLevel.Error, message);
pc]( }
`jGG^w3 $)jf /// <summary>
cD<5~ `l /// 将警告信息记录到Win2000/NT事件日志中
~5~Cpu2v7 /// <param name="message">需要记录的文本信息</param>
SivJaY% /// </summary>
0{47TX*YX public static void WriteWarning(String message)
w"h3e {
Gl>*e|} WriteLog(TraceLevel.Warning, message);
&UX:KW`= }
\2 `|eo gCI{g.[I! /// <summary>
T^nOv2@, /// 将提示信息记录到Win2000/NT事件日志中
S),acc(d /// <param name="message">需要记录的文本信息</param>
H')8p;~{} /// </summary>
zW ; sr. public static void WriteInfo(String message)
2Ni {fC? {
'!XVz$C WriteLog(TraceLevel.Info, message);
oMb@)7 }
YGCBDH%6 /// <summary>
rn-CQ2{? /// 将跟踪信息记录到Win2000/NT事件日志中
5oY^;)\/ /// <param name="message">需要记录的文本信息</param>
=zwn3L8 fL /// </summary>
yRldPk_ public static void WriteTrace(String message)
{60U6n {
eh6=- WriteLog(TraceLevel.Verbose, message);
6"U$H$i.G }
`R_;n#3F0 iq`caoi /// <summary>
5}'W8gV? /// 格式化记录到事件日志的文本信息格式
J4m2|HK /// <param name="ex">需要格式化的异常对象</param>
vqJq=\ .m /// <param name="catchInfo">异常信息标题字符串.</param>
~|8-Mo1ce /// <retvalue>
.arWbTR)~U /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
sK|+&BC /// </retvalue>
"l-R|>6~ /// </summary>
Uf\U~wM< public static String FormatException(Exception ex, String catchInfo)
$xq$ {
*skmTioj& StringBuilder strBuilder = new StringBuilder();
+(8Z8]Jf if (catchInfo != String.Empty)
m}sh(W5\ {
t``q_!s}F strBuilder.Append(catchInfo).Append("\r\n");
"VQ7Y`,+ }
@`:z$52 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
;0:[X+"( return strBuilder.ToString();
#HmZe98[% }
@@#h-k%k- 6{?B`gm7g /// <summary>
]R]%c*tA /// 实际事件日志写入方法
8@d@T V!n& /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
;a~
e /// <param name="messageText">要记录的文本.</param>
t'e5!Ma /// </summary>
wp>L}! private static void WriteLog(TraceLevel level, String messageText)
\~I>@SG2W+ {
zIbrw9G try
h~u|v[@{J {
vW`[CEm^X EventLogEntryType LogEntryType;
+E
}q0GV switch (level)
$3^Cp_p6 {
MW|:'D` case TraceLevel.Error:
D Ax1 LogEntryType = EventLogEntryType.Error;
CjUYwAy$k break;
Yp;?Zq9 case TraceLevel.Warning:
J42/S [Rt LogEntryType = EventLogEntryType.Warning;
>AUzsQ break;
`z<I< case TraceLevel.Info:
2 UPG8] LogEntryType = EventLogEntryType.Information;
BKd?%V8:Q break;
+W}6o3x~ case TraceLevel.Verbose:
V5bB$tL}3 LogEntryType = EventLogEntryType.SuccessAudit;
LHd9q^D break;
x^)W}p" default:
NbUbLzE LogEntryType = EventLogEntryType.SuccessAudit;
Eanwk` Rx break;
6=g! Hs{ }
v]hu5t hf< [$B EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
@5*$yi 'Cp //写入事件日志
dc,qQM eventLog.WriteEntry(messageText, LogEntryType);
-s9()K(vZG #,Cz+k*4 }
sTw+.m{F catch {} //忽略任何异常
9
f=~E8P }
:HkXsZ } //class ApplicationLog
J)P7QTC }
QeG3X+ cng166}1A 12.Panel 横向滚动,纵向自动扩展
EfGy^`,'G <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
80 ckh OzAxnd\.N 13.回车转换成Tab
5N:IH@ <script language="javascript" for="document" event="onkeydown">
$Ahe Vps@@ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
G]O5irsV event.keyCode=9;
N%!{n7`N: </script>
>IJX=24Rc 63Z^ k( onkeydown="if(event.keyCode==13) event.keyCode=9"
r>B|JPm U}DLzn|w 14.DataGrid超级连接列
J(w 3A)( DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
2$FH+wuW t"jiLOQ[6 15.DataGrid行随鼠标变色
D4$2'h private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
CO`?M,x> {
[Z;ei1l if (e.Item.ItemType!=ListItemType.Header)
@z>DJ>htN {
#O^%u,mJj e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~9n30j%]s e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
L"}tJM.d }
H7(D8.y ) }
.:~E.b z"f+;1 16.模板列
[I`:%y <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
-9(pOwN
|m <ITEMTEMPLATE>
}Dx.;0*: <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
]Wtg.y6; </ITEMTEMPLATE>
}/MmuPp </ASP:TEMPLATECOLUMN>
lESv ^o4](l <ASP:TEMPLATECOLUMN headertext="选中">
cc 0Tb <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
'PWA <ITEMTEMPLATE>
u9N/9 <ASP:CHECKBOX id="chkExport" runat="server" />
NiD_ v </ITEMTEMPLATE>
UHR%0ae <EDITITEMTEMPLATE>
Lr0:yo <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Y-lTPR<Eq </EDITITEMTEMPLATE>
G%viWWTY </ASP:TEMPLATECOLUMN>
CZog?O}< b*1yvkX5 后台代码
q1Mt5O} protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
m~-O}i~) {
1@n'6!]6O //改变列的选定,实现全选或全不选。
B[9y<FB+ CheckBox chkExport ;
5&qBG@Hw] if( CheckAll.Checked)
KkCsQ~po {
ehTv@2b foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
D!&]jkUN {
F ESl#.} chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/h8100 chkExport.Checked = true;
r+;k(HMY}[ }
h.q9p! }
Ko0?c.l else
hR~&}sxN {
d'iSvd. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
D7=Irz!O\7 {
!6,rN_a@Y chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
v[V7$.%5Q chkExport.Checked = false;
X.ecA`0 }
[,(+r7aB }
}m&\I }
S_?sJwM Po*!eD 17.数字格式化
n'[>h0 6sG5n7E-A 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
&