1. 打开新的窗口并传送参数:
16nU`TN .$Yp~ 传送参数:
(^_INy* response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
W&[-QM8 fQ-IM/z 接收参数:
]US!3R^ string a = Request.QueryString("id");
W59 xe&l string b = Request.QueryString("id1");
zz<o4bR <(xro/ 2.为按钮添加对话框
CL?=j| Ea Button1.Attributes.Add("onclick","return confirm(’确认?’)");
(\wV)c9 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
B5R 7geC Z Y5Pf
1 3.删除表格选定记录
rd24R-6 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
!9.\A:G string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
YUyYVi7clq 4af^SZ)l 4.删除表格记录警告
H|MAbx
7 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
^X"x,8}&V {
B1%xU? switch(e.Item.ItemType)
IJ:JH=8 {
?iamo.0zN case ListItemType.Item :
C~nL3w case ListItemType.AlternatingItem :
H
=&K_ case ListItemType.EditItem:
10GU2a$0"$ TableCell myTableCell;
_?K,Jc8j. myTableCell = e.Item.Cells[14];
G
c, LinkButton myDeleteButton ;
o,?h}@ myDeleteButton = (LinkButton)myTableCell.Controls[0];
xK5~9StP myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
; 3sjTqD break;
w6-<HPW<S default:
myd:"u,}9 break;
g0IvcA }
M!%|IKw N0ef5J
JM` }
`_]Ul I_h f|3LeOyz 5.点击表格行链接另一页
M=4b private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ZqjLZ9?q {
EN8xn9M? //点击表格打开
MlW*Tugg if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
m6A\R KJ' e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Qv]rj]% }
vWL|vR x0%@u^BF 双击表格连接到另一页
w02C1oGfx CAN1~ 在itemDataBind事件中
P{: 5i%qC if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
kP^= {
{K:]dO string OrderItemID =e.item.cells[1].Text;
F%O+w;J4 ...
SDk^fTV8x e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
T{=&>pNK[ }
Lzcea+*uw 1?Tj 双击表格打开新一页
YlR9
1LX if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
aB`jFp- {
M~+DxnJ= string OrderItemID =e.item.cells[1].Text;
dx$+,R~y ...
lB8gD e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
eF' l_* }
9kbczL^Y
C5e;U ★特别注意:【?id=】 处不能为 【?id =】
$e{}SQ;fW 6.表格超连接列传递参数
[ A 7{}
<asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
K}'?#a(aX= <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
LyL(~Jc| Q5sJ|]Bc 7.表格点击改变颜色
Q-1Xgw! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
>Pvz5Hf/wW {
2zuQeFsK e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
/a6i` this.style.color=’buttontext’;this.style.cursor=’default’;");
Nu'ox. V }
BKgCuz:y *9EW&Ek 写在DataGrid的_ItemDataBound里
Q^* 33 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^uPg71r: {
cIP%t pTW. e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
uH[:R vC0 this.style.color=’buttontext’;this.style.cursor=’default’;");
4Tb"+Y} e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
U\-R'Z>M }
tZu1jBO_Q4 %J1oz3n K6|R ;r5e{ 8.关于日期格式
vF/wV'Kk 8xkLfN|N=
日期格式设定
4U u`1gtz DataFormatString="{0:yyyy-MM-dd}"
m1xR uj] =1<v1s|)q 我觉得应该在itembound事件中
;kT~&.,y e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
fVdu9 l M|{NC`fa 9.获取错误信息并到指定页面
wyXQP+9G 8# x7q>? 不要使用Response.Redirect,而应该使用Server.Transfer
{i}E)Np rZE+B25T~ e.g
w6pXF5ur> // in global.asax
r\)bN4-g protected void Application_Error(Object sender, EventArgs e) {
"b%FkD if (Server.GetLastError() is HttpUnhandledException)
&
x_
#zN] Server.Transfer("MyErrorPage.aspx");
Ch:EL-L tg\o"QKW9 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
QX-n l~ }
b`F]oQ_* !%.=35NS@E 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
:T<5Tq*+x S0}=uL#dt 10.清空Cookie
%E"Z &_3{ Cookie.Expires=[DateTime];
'S:$4j Response.Cookies("UserName").Expires = 0
ExeZj8U IIAmx[ b 11.自定义异常处理
)V&hS5P=S //自定义异常处理类
syI|gANT/r using System;
8(L6I%k* using System.Diagnostics;
Wrh$`JC cv7:5P namespace MyAppException
C2\zbC[qm {
$g/h=w@ /// <summary>
|.L_c"Bc /// 从系统异常类ApplicationException继承的应用程序异常处理类。
W!Fc60>p@f /// 自动将异常内容记录到Windows NT/2000的应用程序日志
i4nFjz /// </summary>
]'-y-kqY public class AppException:System.ApplicationException
d`~~Ww1 {
Q|e-)FS) public AppException()
\f)GW$` {
DJAKF if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
`*D"=5G+ }
[^^ Pl:+ MH9vg5QKp public AppException(string message)
qI${7 {
M|fV7g LogEvent(message);
<Y2$'ETD }
r4<aEj;l OmS8cSYGc public AppException(string message,Exception innerException)
`csZ*$7 {
A7|L|+ ? LogEvent(message);
yxU9W,D v if (innerException != null)
oR/_{#Mz" {
SvrUXf LogEvent(innerException.Message);
;mvVo-r*q }
mCG&=Fx }
]}p<P):hO ._Ww //日志记录类
N"suR}9% using System;
YPf? using System.Configuration;
?~!9\dek, using System.Diagnostics;
&;=/^~EG using System.IO;
F=e-jKogK using System.Text;
&/WE{W using System.Threading;
Vzo<ma^ VCJOWUEO1 namespace MyEventLog
$EX(-!c {
D9?.Ru0. /// <summary>
QWEE%}\3} /// 事件日志记录类,提供事件日志记录支持
MU(I#Prpe /// <remarks>
! Dj2/][ /// 定义了4个日志记录方法 (error, warning, info, trace)
Poa&htxe1 /// </remarks>
yMTO 5~U{ /// </summary>
44|tCB` public class ApplicationLog
14jN0\ {
^$sqU /// <summary>
9 <{C9 /// 将错误信息记录到Win2000/NT事件日志中
,?k1if(0[ /// <param name="message">需要记录的文本信息</param>
R&a$w8 /// </summary>
4^M"V5tDx public static void WriteError(String message)
/jGV[_Q=P {
o. ;Vrc WriteLog(TraceLevel.Error, message);
[uLsM<C }
] _5b
x!\q69nd v /// <summary>
S2_(lS+R /// 将警告信息记录到Win2000/NT事件日志中
zsJermF,O /// <param name="message">需要记录的文本信息</param>
K,$rG%czX /// </summary>
/ of K7/ public static void WriteWarning(String message)
]bY]YNt{7] {
rp{|{>'`.q WriteLog(TraceLevel.Warning, message);
"=T&SY }
,"XiI$Le \Z&Nd;o /// <summary>
0GXY2+p}S /// 将提示信息记录到Win2000/NT事件日志中
lg~7[=%k# /// <param name="message">需要记录的文本信息</param>
G{E`5KIvm /// </summary>
v{fcQb public static void WriteInfo(String message)
XclTyUGoK+ {
j)6p>6 WriteLog(TraceLevel.Info, message);
{svo!pN: }
46Sz#^y
P /// <summary>
AyOibnoZ2E /// 将跟踪信息记录到Win2000/NT事件日志中
$2L6:&.P, /// <param name="message">需要记录的文本信息</param>
i>s /// </summary>
]L7A$sTUQ public static void WriteTrace(String message)
UNff&E- {
~"CGur P WriteLog(TraceLevel.Verbose, message);
$i5J} }
=@?[.` hW<v5!, /// <summary>
$R1I(sJ /// 格式化记录到事件日志的文本信息格式
~~Ezt*lH /// <param name="ex">需要格式化的异常对象</param>
LzNfMvh /// <param name="catchInfo">异常信息标题字符串.</param>
;ryNfP% /// <retvalue>
(Y@T5-!D /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
gtZmBe= /// </retvalue>
Qop,~yK /// </summary>
m(6d3P public static String FormatException(Exception ex, String catchInfo)
]b!n ;{5 {
O9(z"c StringBuilder strBuilder = new StringBuilder();
'=n?^EPE3 if (catchInfo != String.Empty)
'2H?c<Y3 {
%gh#gH strBuilder.Append(catchInfo).Append("\r\n");
<\u3p3"[4 }
_wS=*-fT strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
bIAE?D return strBuilder.ToString();
,0. kg }
zqo0P~ yXJ25Axb /// <summary>
bj`\;_oo /// 实际事件日志写入方法
Y(.e e%;, /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
MK=oGzK /// <param name="messageText">要记录的文本.</param>
JhFbze> /// </summary>
1x:W 3. private static void WriteLog(TraceLevel level, String messageText)
ehr-o7]( {
%+N]$Q try
]VRa4ZB{u {
:_~.Nt EventLogEntryType LogEntryType;
ApXf<MAy switch (level)
>+P}S@ {
qTr P@F4`g case TraceLevel.Error:
IMH4GVr" LogEntryType = EventLogEntryType.Error;
ctZ,qg*N break;
d+D~NA[M case TraceLevel.Warning:
b0{i +R LogEntryType = EventLogEntryType.Warning;
&*=!B9OBI break;
h*k V@Dc case TraceLevel.Info:
>v.fH6P,} LogEntryType = EventLogEntryType.Information;
]P0%S@] break;
c$Kc,`2m7 case TraceLevel.Verbose:
$^ee~v;m4 LogEntryType = EventLogEntryType.SuccessAudit;
$nO~A7 break;
ayy\7b default:
OlOOg LogEntryType = EventLogEntryType.SuccessAudit;
Lt't break;
XB7Aa) }
<l{oE?N ub-3/T EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
!C#oZU]P //写入事件日志
.h-mFcjy eventLog.WriteEntry(messageText, LogEntryType);
S4x9k{Xn 9\_AB.Z: }
K ze?@* catch {} //忽略任何异常
'[
t. }
,|:.0g[n } //class ApplicationLog
bC
`<A }
.~f )4'T 9 P R%)3 12.Panel 横向滚动,纵向自动扩展
P%aqY~yF3 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
$oBs%.Jp _QL|pLf- 13.回车转换成Tab
!kovrvM6F <script language="javascript" for="document" event="onkeydown">
An.
A1y if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
>1j#XA8 event.keyCode=9;
]<;7ZNG"Y5 </script>
^k=<+*9 o$*(N onkeydown="if(event.keyCode==13) event.keyCode=9"
J3eud}w 4z0gyCAC A 14.DataGrid超级连接列
3K
&637 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
~T_|?lU`R 5whW>T 15.DataGrid行随鼠标变色
r1L@p[> private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
72dRp!JU {
%R0 Wq4} if (e.Item.ItemType!=ListItemType.Header)
Nk7y2[ {
o[ZjXLJzV e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
B$eM e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
wpK1nA+7N }
rl|'.~mc }
k&$ov s2O()u- 16.模板列
\l GD8@,x <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
^Arv6kD, <ITEMTEMPLATE>
?Y4 +3`\x <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
*9\j1Nd </ITEMTEMPLATE>
${Un#]g </ASP:TEMPLATECOLUMN>
J&A1]T4d cMY}Y
[2c <ASP:TEMPLATECOLUMN headertext="选中">
[c,V=:Cq <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
d{S'6*`D <ITEMTEMPLATE>
IuXgxR% <ASP:CHECKBOX id="chkExport" runat="server" />
qp})4XT v </ITEMTEMPLATE>
JwSF}kNs} <EDITITEMTEMPLATE>
%1i:*~g <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
D6bYg ` </EDITITEMTEMPLATE>
<:9ts@B </ASP:TEMPLATECOLUMN>
t2dsYU/ pJHdY)Cz 后台代码
*K/K97 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
[7I:Dm {
w;O-ATUzN //改变列的选定,实现全选或全不选。
\?n6l7*t> CheckBox chkExport ;
)\1>)BJq if( CheckAll.Checked)
cY5&1Shb~ {
)>ZT{eF foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
5A0]+)5E8 {
Q!l(2nva chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
2.v{W-D[ chkExport.Checked = true;
poQ_r<I }
s<YN*~ }
\!^=~` X- else
>?^oxB"<Gc {
\IL)~5d foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
DT]4C!dh {
0D,@^vw bK chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ZXnacc~s chkExport.Checked = false;
1/-3m Po }
"@G[:(BoB< }
$Tbsre\MJ }
[%K6-\S :E")Zw&sW3 17.数字格式化
D6VdgU| yJ?=## 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
1V2]@VQF <%#Container.DataItem("price","{0:¥#,##0.00}")%>
9k6s };'@'
int i=123456;
"1a;);S=*) string s=i.ToString("###,###.00");
!>9s %+'Ex]B 18.日期格式化
zH1;h 38w^="-T 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
XUP{]w`.Z 6{)pF 显示为: 2004-8-11 19:44:28
Vlx.C~WYn ](JrEg$K 我只想要:2004-8-11 】
?}Zo~]7E <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
'Ix@<$~i3F Jr5S8c|" 应该如何改?
hV@ N-u^ %,[,mW4l 【格式化日期】
eA&