1. 打开新的窗口并传送参数:
NGu]|p tK*f8X+q 传送参数:
w.\:I[ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3 a`-_<
'(}BfD P 接收参数:
v.MWO]L string a = Request.QueryString("id");
nYHk~<a string b = Request.QueryString("id1");
)C[8#Q-: ;N|6C+y 2.为按钮添加对话框
HO>uS>+ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
R0WJdW# button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
sXTO`W/ B4C`3@a 3.删除表格选定记录
-oj@ c
OZ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
o<y7Ut string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
QXCI+Fcg 'E9jv4E$n 4.删除表格记录警告
P<1zXs.H private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
(DU{o\= {
7@\iBmr6 switch(e.Item.ItemType)
[(hENX}o: {
rlq8J/0/+ case ListItemType.Item :
qlu yJpt case ListItemType.AlternatingItem :
*7ox_ R@ case ListItemType.EditItem:
" 1Bn/Q TableCell myTableCell;
b3ZPlLx6 myTableCell = e.Item.Cells[14];
eL.S=" LinkButton myDeleteButton ;
Kf*+Ilq%L myDeleteButton = (LinkButton)myTableCell.Controls[0];
Q["}U7j myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
)9$Xfq/ break;
:Vg,[\I{ default:
BN=,>-O% break;
@S{,g;8 }
&Z?uK, 8 QL3%L8 }
# 8A|-u=3 x|Dj 5.点击表格行链接另一页
U;_;_ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7Y-GbG.' {
rei<{woX //点击表格打开
J;qH w[6 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{x+jFj. e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
iVD9MHT4 }
/<@oUv #8'%CUF*<8 双击表格连接到另一页
h
/on {_ocW@@ 在itemDataBind事件中
7w9) ^ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
[p(Y|~ {
Kh27[@s string OrderItemID =e.item.cells[1].Text;
9s}--_k?F2 ...
%FwLFo^v e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
?wmr~j }
^T^fowt=r A2xORG&FD 双击表格打开新一页
DY1o!thz) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
GDk/85cv0$ {
UXd\Q'' string OrderItemID =e.item.cells[1].Text;
VBOq~>V6(v ...
X/?3ifP6I e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
A w83@U }
K%S k{' 7.]ZD`"Bb ★特别注意:【?id=】 处不能为 【?id =】
K2&pTA~OR 6.表格超连接列传递参数
tL D.e <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
hd\iW7 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
hF6EOCY6D klPc l[.w 7.表格点击改变颜色
<MY_{o8d if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
oSxHTbp? {
fuQ?@F e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
y>|7'M*+ this.style.color=’buttontext’;this.style.cursor=’default’;");
Dk:Zeo]+my }
VaH#~! 9v^MZ^Y{ 写在DataGrid的_ItemDataBound里
\ ddbqg?` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
2OEOb,` {
]U]{5AA6 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
<UeO+M( this.style.color=’buttontext’;this.style.cursor=’default’;");
C5F}*]E[y e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Kx ';mgG#$ }
Si!W@Jm je.mX /Lpj QO0T<V 8.关于日期格式
C%l~qf1n JTrxh] 日期格式设定
HnrT;!C~ DataFormatString="{0:yyyy-MM-dd}"
G.1pg]P! 8xlj:5;(w 我觉得应该在itembound事件中
r'-)@| e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
8\/E/o3 (Zx;GS 9.获取错误信息并到指定页面
Z3=t" ^qGH77#z 不要使用Response.Redirect,而应该使用Server.Transfer
db4Ol= J=5G< e.g
)N<>L/R // in global.asax
{}[S,L protected void Application_Error(Object sender, EventArgs e) {
(q*Za if (Server.GetLastError() is HttpUnhandledException)
p\~ lPXK Server.Transfer("MyErrorPage.aspx");
p<tj6O 's+ Fd~' //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
L9&Z?$6J_p }
gtJUQu p2 i e%ZX 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
=DUsQN! _"Y;E 10.清空Cookie
YB.r-c"Y Cookie.Expires=[DateTime];
I"y=A7Nq Response.Cookies("UserName").Expires = 0
P*Uu)mG)G "EDn;l-Q 11.自定义异常处理
>?'cZTNk] //自定义异常处理类
aa8WRf using System;
%
=br-c using System.Diagnostics;
%BC*h}KGH 79z(n[^ namespace MyAppException
8it|yK.G@& {
Lr V)}1&5 /// <summary>
4L(axjMYU /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Kw+?Lowp /// 自动将异常内容记录到Windows NT/2000的应用程序日志
dq[j.Nmq /// </summary>
WEZ(4ah public class AppException:System.ApplicationException
=AUR]&_B {
@I_A\ U{ public AppException()
rX)PN3TD {
9Ld3 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
@_YlHe&W }
ehoDWO]S Zm4IN3FGLv public AppException(string message)
Q_x/e|sd {
1BmevEa) LogEvent(message);
<U (gjX }
>| rID Yy@;U]R public AppException(string message,Exception innerException)
]Jq1b210 {
1.4]T, ` LogEvent(message);
!FX;QD@" if (innerException != null)
cO.U*UTmX {
I QS| LogEvent(innerException.Message);
BOQ2;@:3 }
s=!
y% }
n{6XtIoYq \f}S Hh //日志记录类
No=Ig-It
using System;
}5z6b>EI9a using System.Configuration;
)!SV V ~y using System.Diagnostics;
xa[<k>r3 using System.IO;
h/?8F^C#v using System.Text;
5wmH3g#0 using System.Threading;
;e_dk4_ CS)&A4`8 namespace MyEventLog
<x,u!}5J {
2l}FOdq /// <summary>
Qx1ZxJz # /// 事件日志记录类,提供事件日志记录支持
[=z1~dXKb /// <remarks>
>0k7#q}O /// 定义了4个日志记录方法 (error, warning, info, trace)
>pW8K[ /// </remarks>
m\(4y Gj /// </summary>
AyB-+oTf( public class ApplicationLog
[
dpd-s {
BNw^ _j1 /// <summary>
,A[40SZA /// 将错误信息记录到Win2000/NT事件日志中
o7i/~JkTP /// <param name="message">需要记录的文本信息</param>
CkE@Ll3Z /// </summary>
Qw!cd-zc public static void WriteError(String message)
T^B&GgW {
MC D]n WriteLog(TraceLevel.Error, message);
FbO-K- }
LY'_U0y4 B q+RFo /// <summary>
}@J&yrqg /// 将警告信息记录到Win2000/NT事件日志中
y44FejH(v /// <param name="message">需要记录的文本信息</param>
R"Nvnpm /// </summary>
=unMgX]$ public static void WriteWarning(String message)
[X ]\^
{
aR6?+`6< WriteLog(TraceLevel.Warning, message);
pg1o@^OuL }
yw^t6E }jBr[S5 /// <summary>
RXh0hD /// 将提示信息记录到Win2000/NT事件日志中
$)\%i = /// <param name="message">需要记录的文本信息</param>
\j !JRD+j /// </summary>
5gARGA public static void WriteInfo(String message)
QMea2q|3$ {
EGO;g^, WriteLog(TraceLevel.Info, message);
M7^PWC }
D-\\L[ /// <summary>
3P 3x^NI /// 将跟踪信息记录到Win2000/NT事件日志中
zDeh# /// <param name="message">需要记录的文本信息</param>
LH@)((bi4v /// </summary>
:P# public static void WriteTrace(String message)
"5C)gxI^ {
b)9bYkd WriteLog(TraceLevel.Verbose, message);
b)J(0,9`G" }
S!A)kK+ hV#+joT8i /// <summary>
!;.i#c_u /// 格式化记录到事件日志的文本信息格式
fqZqPcT0 /// <param name="ex">需要格式化的异常对象</param>
]b4*`}\ /// <param name="catchInfo">异常信息标题字符串.</param>
EQ1wyKZS2g /// <retvalue>
Iz,a
Hrq /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
=;!C7VS /// </retvalue>
RKFj6u /// </summary>
i`Fg kABw public static String FormatException(Exception ex, String catchInfo)
cG1-.,r {
2c@4<kyfP StringBuilder strBuilder = new StringBuilder();
YqX/7b+ if (catchInfo != String.Empty)
>i7zV`eK {
s`GwRH<# strBuilder.Append(catchInfo).Append("\r\n");
<\!+J\YTA }
" NnUu8x strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
eyBLgJt8P return strBuilder.ToString();
b<};"H0a }
sCU<1=
W4Rs9NA} /// <summary>
=Y#)c]` /// 实际事件日志写入方法
o7<pI8\ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
]u
4 /// <param name="messageText">要记录的文本.</param>
:\9E%/aAD /// </summary>
j:B?0~= private static void WriteLog(TraceLevel level, String messageText)
Tn,'*D@l {
uoR_/vol8 try
?RJ
)u {
\E1[ / EventLogEntryType LogEntryType;
Cp=DdmR switch (level)
wZ/Zc}
. {
)w_0lm'v{r case TraceLevel.Error:
IOmQ1X7, LogEntryType = EventLogEntryType.Error;
37Ux2t break;
F+
qRC_C>O case TraceLevel.Warning:
z}&w7O#
LogEntryType = EventLogEntryType.Warning;
4^\5]d! break;
vp7J'; case TraceLevel.Info:
bzD <6Z LogEntryType = EventLogEntryType.Information;
oG~a`9N%C break;
oe`t ? (U case TraceLevel.Verbose:
ua[ d
LogEntryType = EventLogEntryType.SuccessAudit;
ew
-5VL break;
N@Pf \D default:
It>8XKS LogEntryType = EventLogEntryType.SuccessAudit;
Hh`x>{,|S break;
_tDSG] }
{#"[h1 7qj<|US EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
hAq7v']m //写入事件日志
&?C%
-"|c eventLog.WriteEntry(messageText, LogEntryType);
:MPWf4K2s tmEF7e`(o }
L5$r<t< catch {} //忽略任何异常
@H[)U/. }
L:UJur% } //class ApplicationLog
Q${0(#Nu }
zMlW)NB' ~5LlIpf36| 12.Panel 横向滚动,纵向自动扩展
6$]@}O^V <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
{ ]Tb 1KwUp0%& 13.回车转换成Tab
T=Q"|S]V <script language="javascript" for="document" event="onkeydown">
S%J $.ge if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
b.HfxYt( event.keyCode=9;
z Ic%>?w </script>
#mu3`,9V Yzo_ZvL onkeydown="if(event.keyCode==13) event.keyCode=9"
}i,LP1R k~
Z9og 14.DataGrid超级连接列
9w\yWxl DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
i2$7nSQ9 $&D$Uc`U> 15.DataGrid行随鼠标变色
L[v-5u) private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
J3/2>N]/} {
Y:UDte[Lb if (e.Item.ItemType!=ListItemType.Header)
qz]b8rX {
?+6w8j%\ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
I!\;NVhv e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
2Lravb3 }
um.s:vj$ }
_19x`J3 Y\#+-E 16.模板列
TNgf96)
y <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
%K@s0uQ <ITEMTEMPLATE>
"p,TYjT?R <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Wk3R6
V </ITEMTEMPLATE>
&U<t*" </ASP:TEMPLATECOLUMN>
oEfy{54 xOfZ9@VU <ASP:TEMPLATECOLUMN headertext="选中">
:.xdG>\n3 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
?[Gj?D.Wc <ITEMTEMPLATE>
eAkC-Fm
<ASP:CHECKBOX id="chkExport" runat="server" />
B^8]quOH </ITEMTEMPLATE>
>b^|SL <EDITITEMTEMPLATE>
d:|(l^]{r <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
gie.K1@| </EDITITEMTEMPLATE>
[}p/pj= </ASP:TEMPLATECOLUMN>
K8>-%ns PH,MZ"Z% 后台代码
e[5=?p@| protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
#~ikR.-+Eq {
z'iAj //改变列的选定,实现全选或全不选。
Z]Zs"$q@ CheckBox chkExport ;
%M?A>7b if( CheckAll.Checked)
]{2Eo {
Ojea~Y]Sr foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
(<.uvq61 {
7*{9 2_M chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
c UJUZ@ol chkExport.Checked = true;
52RFB!Z[ }
IiX`l6L~W }
ZH@BHg|}H else
l~cT]Ep {
:#yjg1aej foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
[ij8h,[~] {
F0&BEJBkU chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*ud"?{)Z chkExport.Checked = false;
PP+-D~r`} }
dV~yIxD}C* }
V={`k$p }
P5&mpl1 -Odk'{nW 17.数字格式化
naQ0TN, E~k_4z%M 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
,{KjVv< <%#Container.DataItem("price","{0:¥#,##0.00}")%>
9!aQ@ J^ 4^? J BpBZ int i=123456;
"0ITW46n string s=i.ToString("###,###.00");
QH?}uX'x)G #gHs!b-g@ 18.日期格式化
)_7OHV *3 mAI<