1. 打开新的窗口并传送参数:
_XN sDW4| R[6&{&E: 传送参数:
W NCd k$ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
]#;JPO#* H"sey +- 接收参数:
?V+=uTCq string a = Request.QueryString("id");
y_w4ei string b = Request.QueryString("id1");
k&*=:y} d] {^ 2.为按钮添加对话框
y~w$>7U. Button1.Attributes.Add("onclick","return confirm(’确认?’)");
D<:9pLD( button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
5,A/6b 2KU[Yd 3.删除表格选定记录
@d)6LA9Ec int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
8AK#bna~- string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
-7u4f y{T +'l@t
bP 4.删除表格记录警告
giv cq'L private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
fz%urbJR {
7@:uVowQ switch(e.Item.ItemType)
8ARpjYZP {
-YYQnN case ListItemType.Item :
FXIQS' case ListItemType.AlternatingItem :
v6FYlKU@8 case ListItemType.EditItem:
TB9ukLG^<< TableCell myTableCell;
;Q ]bV52 myTableCell = e.Item.Cells[14];
_d:l1jD LinkButton myDeleteButton ;
0h* AtZv_ myDeleteButton = (LinkButton)myTableCell.Controls[0];
tjGQ0-Lo myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3AWg 43L7 break;
* @dqAr % default:
<EJC.WWJa break;
Nt/>RCh }
(sZB- {'JoVJKv }
#=h~Lr'UH 0^4Tem@ 5.点击表格行链接另一页
"gYn$4|R7* private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
S?&ntUah {
a
*>$6H; //点击表格打开
%ZZ\Xj if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
VCtj8hKDr e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Y2}\~I0 }
v#F.FK (Zp'|hx8o 双击表格连接到另一页
A^xDAxk 074)(X&:x 在itemDataBind事件中
b8(94t|;U if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
#Fq6-]y1") {
40+~;20 string OrderItemID =e.item.cells[1].Text;
=5isT ...
U2seD5I e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ZJ1% }
)V7bi^r ~m'PAC"Q$ 双击表格打开新一页
=XuBan3B> if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
g,*L P {
fnl~0 string OrderItemID =e.item.cells[1].Text;
[WW3'= e^ ...
I'm.+(1m, e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
@uXF(KDX }
[7oU = Tc$Jvy-G4A ★特别注意:【?id=】 处不能为 【?id =】
_NA[g:DZ&O 6.表格超连接列传递参数
0CX2dk"UB^ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
7M9Ey29f <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
hV_bm@f/y 8`M) r'5 7.表格点击改变颜色
bLuAe
EA if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3@7IY4>o {
#l2KJ7AMK e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
h)7hk*I this.style.color=’buttontext’;this.style.cursor=’default’;");
j
S~Wcu }
W!6&T [j> a*/%EP3 写在DataGrid的_ItemDataBound里
gqw
]L>Z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
iW oe {
f_'#wc6 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
J%r$jpd' this.style.color=’buttontext’;this.style.cursor=’default’;");
Qx<86aKkF e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
w\SfzJN }
IHC
{2 ^ O7,)#{ PLoD^3uG) 8.关于日期格式
Oc A;+}> 3;v%78[&P 日期格式设定
ol#|
.a2O DataFormatString="{0:yyyy-MM-dd}"
ZE393FnE pd%h5|*n; 我觉得应该在itembound事件中
#ATV#/hW e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
:9?y-X }:SWgPfc 9.获取错误信息并到指定页面
,]FcWx
\u U?/C>g%/PI 不要使用Response.Redirect,而应该使用Server.Transfer
uz
U2)n3y jc0Trs{Jf e.g
cI#! Y // in global.asax
I)s~kA.e protected void Application_Error(Object sender, EventArgs e) {
KdN+$fe*g if (Server.GetLastError() is HttpUnhandledException)
v2K6y|6, Server.Transfer("MyErrorPage.aspx");
0vYHx V MeCHn2zwB //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
fC|NK+Xd` }
m0M;f+^ o!$O+%4 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
crvq]J5 <?h,;]U 10.清空Cookie
dAba'|Y Cookie.Expires=[DateTime];
,2>nr goM Response.Cookies("UserName").Expires = 0
1[4
2f# e]5
n4"]D) 11.自定义异常处理
OUM^u* //自定义异常处理类
MqKf'6z using System;
D2N<a= # using System.Diagnostics;
6O@/Y;5i u*w'.5l namespace MyAppException
4s_|6{ANS {
QtSJ9;eP /// <summary>
ZkA05wPZ# /// 从系统异常类ApplicationException继承的应用程序异常处理类。
(,P6cWt}" /// 自动将异常内容记录到Windows NT/2000的应用程序日志
.+#<~Jv /// </summary>
(Vz\02,K public class AppException:System.ApplicationException
Thc"QIk&4 {
8slOB>2#Y public AppException()
jXH?os% {
1^v?Ly8 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
<<vT"2Q] }
sQl`0|VH Yt3+o< public AppException(string message)
P&$ m2^K {
}}s.0Q LogEvent(message);
=wcqCW,] }
_DD.#YB</ G?$0OU public AppException(string message,Exception innerException)
p 3`odmbN {
wbImE;-Z LogEvent(message);
8n2MZ9p] if (innerException != null)
u#bd*( {
gR#lRA/ LogEvent(innerException.Message);
qvH RP@ }
Bj1{=Pvl }
jT:z#B% + 7~u_J //日志记录类
/$-Tg)o5i using System;
31*0b|Z using System.Configuration;
.$]%gjIBCl using System.Diagnostics;
+CaA%u using System.IO;
d(t$riFX} using System.Text;
Rzj1D:?X@ using System.Threading;
oY(q(W0ze 31-:xUIX namespace MyEventLog
w+_pq6\V {
]/cVlpZ{f /// <summary>
N3U.62 /// 事件日志记录类,提供事件日志记录支持
Y(U+s\X /// <remarks>
;;{!wA+"D /// 定义了4个日志记录方法 (error, warning, info, trace)
0D.qc8/V4. /// </remarks>
j-}WA" /// </summary>
77?D
~N[ public class ApplicationLog
S`t@L} {
z4B-fS] /// <summary>
vj#Y /B /// 将错误信息记录到Win2000/NT事件日志中
]f}#&]<(T /// <param name="message">需要记录的文本信息</param>
iD"9,1@~n /// </summary>
.$~zxd#zo public static void WriteError(String message)
jM07&o]D {
dd>
qy WriteLog(TraceLevel.Error, message);
Li2-G }
Bsc _VM()n; /// <summary>
}@Dgr)*+ /// 将警告信息记录到Win2000/NT事件日志中
*p !F+" /// <param name="message">需要记录的文本信息</param>
4n5r<?rY /// </summary>
G[4$@{ public static void WriteWarning(String message)
#[LnDU8>9 {
yE{(Ebm WriteLog(TraceLevel.Warning, message);
%V;B{?>9zB }
A@81wv
;&$Nn'~a /// <summary>
&CcUr#|
/// 将提示信息记录到Win2000/NT事件日志中
e{RhMjX<D /// <param name="message">需要记录的文本信息</param>
7}%Z> /// </summary>
fC<pCdsg public static void WriteInfo(String message)
Jb1L[sT2 {
zMI_8lNz WriteLog(TraceLevel.Info, message);
9o<5Z= }
Rv=rO|&] /// <summary>
7,BULs\g /// 将跟踪信息记录到Win2000/NT事件日志中
L!l`2[F| /// <param name="message">需要记录的文本信息</param>
lk/[xQ/ /// </summary>
B3NDx+%m public static void WriteTrace(String message)
#fQ}8UxU, {
[5T{`& WriteLog(TraceLevel.Verbose, message);
MUjfqxTT }
F15Yn &4}Uaxt) /// <summary>
*kM^l!<g /// 格式化记录到事件日志的文本信息格式
<>?7veN92 /// <param name="ex">需要格式化的异常对象</param>
|%~Zo:Q<$> /// <param name="catchInfo">异常信息标题字符串.</param>
l'm\*=3 /// <retvalue>
Z^_-LX:% /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
*k^'xL /// </retvalue>
T
P#Hq /// </summary>
_7=LSf,9 public static String FormatException(Exception ex, String catchInfo)
mYRsM s {
vDit&Lh{T StringBuilder strBuilder = new StringBuilder();
2^f6@;=M if (catchInfo != String.Empty)
*{fL t {
JK=0juv<E strBuilder.Append(catchInfo).Append("\r\n");
L,7+26XV"B }
o>Faq+@ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
s"-gnW return strBuilder.ToString();
mLb>*xt$b@ }
>Y8\I ]mZN18# /// <summary>
\&#IK9x{ /// 实际事件日志写入方法
X Z4q{^o /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
7^<{aE: /// <param name="messageText">要记录的文本.</param>
Nay&cOz /// </summary>
S:YQVj private static void WriteLog(TraceLevel level, String messageText)
dHO8 bYBH {
.sBwJZ try
W^8MsdM {
, SB5" EventLogEntryType LogEntryType;
=,w(D~ps switch (level)
bZf}m=C! {
W^" C|4G } case TraceLevel.Error:
\iQ{Q&JR: LogEntryType = EventLogEntryType.Error;
$z
\H* break;
)8@|+'q case TraceLevel.Warning:
O+ghw1/ LogEntryType = EventLogEntryType.Warning;
<4%cKW0 break;
;,7/> Vt case TraceLevel.Info:
K|V<e[X[V LogEntryType = EventLogEntryType.Information;
+DwE~l break;
OGWZq(c"6 case TraceLevel.Verbose:
x3tos!Y LogEntryType = EventLogEntryType.SuccessAudit;
JZ>E<U9& break;
J2avt default:
rZ:-%#Q4 LogEntryType = EventLogEntryType.SuccessAudit;
8kYI ~ break;
u [Dz~ }
>HL$=J_K? @CNe)&U EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
8m"(T-wb6{ //写入事件日志
{\p&? eventLog.WriteEntry(messageText, LogEntryType);
;&OVV+y ttfCiP$ }
Pk/3oF catch {} //忽略任何异常
]}z"H@k }
2Y1y;hCK } //class ApplicationLog
p{0NKyOvU }
PW QRy MiN|u 12.Panel 横向滚动,纵向自动扩展
C.N#y`g <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
LCMZw6p <Gw>}/-^ 13.回车转换成Tab
reI4!,x <script language="javascript" for="document" event="onkeydown">
.9VhDrCK if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
_2~+%{/m, event.keyCode=9;
5lrjM^E| </script>
H63?Erh>a kA4bv} onkeydown="if(event.keyCode==13) event.keyCode=9"
h\lyt(.s w0&|8y 14.DataGrid超级连接列
Y{D?&x%yq DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
_h^er+d!_ ';zS0Yk 15.DataGrid行随鼠标变色
cTa$t :K@ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\IX|{]*D {
v7b+ if (e.Item.ItemType!=ListItemType.Header)
lEXI<b'2 {
2e^6Od!Y? e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
0@> e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
JsK_q9]$e }
Ev]oPCeA }
:3A^5}iz AOv>O52F/Q 16.模板列
]47!Zo, <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
6(8zt"E <ITEMTEMPLATE>
ZO8r8
[ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
'BX
U' </ITEMTEMPLATE>
D $&6 8 </ASP:TEMPLATECOLUMN>
g+%Pg@[ ,Fzuo:{uy <ASP:TEMPLATECOLUMN headertext="选中">
vn1*D-? <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
.kc{)d*0K <ITEMTEMPLATE>
5b$QXO <ASP:CHECKBOX id="chkExport" runat="server" />
z`:tl7 </ITEMTEMPLATE>
F~C7$ <EDITITEMTEMPLATE>
0lLg uBW@ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
<[A;i </EDITITEMTEMPLATE>
PM^Xh*~ </ASP:TEMPLATECOLUMN>
uFnq 3m^u 63HtZ=hO7 后台代码
r*f:%epB% protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
d$B+xW {
%0q)PT\ //改变列的选定,实现全选或全不选。
3eN(Sw@p CheckBox chkExport ;
<RCeY(1 if( CheckAll.Checked)
AsO)BeUD {
7bL48W<QD foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Q`!<2i; {
zb. ^p
X chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
1
&-%<o chkExport.Checked = true;
6QePrf }
FV\$M6
_ }
q'KXn0IY# else
ZmaGp* Wj {
m2v'zJd}g foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
2Q)pT$ {
]zh6[0V7V chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;nw}x4Y[ chkExport.Checked = false;
H,Yrk(O- }
WQBpU?O }
aC#{@t }
o+g\\5s iJb-F*_y 17.数字格式化
C )BVsHT4 ^ 2LqKo\T 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
nVoP:FHH <%#Container.DataItem("price","{0:¥#,##0.00}")%>
xG:7AGZ$[ oH1]-Nl$ int i=123456;
n0b{Jg * string s=i.ToString("###,###.00");
FF~VV<