1. 打开新的窗口并传送参数:
J%|!KQl L<HJ! 传送参数:
z[kz[ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
sZ`C
"1cX @ 2r9JqR[= 接收参数:
j$%KKl8j string a = Request.QueryString("id");
aA Hx^X^ string b = Request.QueryString("id1");
W,</ U\N|hw#f!! 2.为按钮添加对话框
oj.f
uJD Button1.Attributes.Add("onclick","return confirm(’确认?’)");
D
==H{c1F button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
IooAXwOF 3*@ sp 3.删除表格选定记录
#{973~uj int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Xg>nb1e string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
FBit/0 p|mt2oDjw 4.删除表格记录警告
c_#\'yeW private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
I!IWmU6FN {
ka_]s:>+ switch(e.Item.ItemType)
gXtyl]K: {
asT*Z"/Q! case ListItemType.Item :
fIOI case ListItemType.AlternatingItem :
9}e`_z case ListItemType.EditItem:
w7Do#Cv TableCell myTableCell;
.PyPU]w myTableCell = e.Item.Cells[14];
|Sg
FHuA LinkButton myDeleteButton ;
@^47Qgj8U myDeleteButton = (LinkButton)myTableCell.Controls[0];
v-`RX;8 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
*b+ef break;
Kk?P89=* default:
x!CCSM;q break;
?yKW^,q+ }
]Lg$p N?`-$C ] }
s&vREx( Zy0u@`` 5.点击表格行链接另一页
Q v/}WnBk private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8 VMe#41 {
8BnI0l=\ //点击表格打开
lp`raNNo if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3ZNm ,{ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
l4c9.'6 }
ur\v[k= ?+S jt 双击表格连接到另一页
D[)
Z$+D4f Y{P0?` 在itemDataBind事件中
8=;'kEU if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%{$iN|%J%$ {
P$E #C:= string OrderItemID =e.item.cells[1].Text;
zcCX;N ...
ha6jbni e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
H f}-> }
DyiyH%SSD CR$\$- 双击表格打开新一页
1#H=<iJ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
*QAcp` ;* {
cPcp@Dp
string OrderItemID =e.item.cells[1].Text;
_97A9wHj ...
#Z8=z*4 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
o#V}l^uU= }
6C6<,c d`>'< ★特别注意:【?id=】 处不能为 【?id =】
D$|@:
mW 6.表格超连接列传递参数
8c-r;DE <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
<Wgp$qt; <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
$5XE'm }EB/1 8 7.表格点击改变颜色
BD6oN] if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
uveby:dh {
U_ j\UQC e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
/]~Oa#SQ: this.style.color=’buttontext’;this.style.cursor=’default’;");
0zD[mt }
\v(}@zcB| XW]'by 写在DataGrid的_ItemDataBound里
>sW9n[ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3ifQKKcR{ {
?Rlo<f:Mf e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Zo}O,;(F5 this.style.color=’buttontext’;this.style.cursor=’default’;");
.W_'6Q+ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
KiN8N=z }
i
v7^! I5[HD_g: >BU"C+a8g 8.关于日期格式
p8CDFLuV msKWb311u 日期格式设定
H$2<N@'4z DataFormatString="{0:yyyy-MM-dd}"
- inZX`afA GAK!qLy9 我觉得应该在itembound事件中
nM*-Dy3ou e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
egur} _tJp@\rOz= 9.获取错误信息并到指定页面
&s.S)'l4l NRU&GCVwu
不要使用Response.Redirect,而应该使用Server.Transfer
1"pvrX} 3o=R_%r e.g
*3;H6 // in global.asax
hV,)u3 protected void Application_Error(Object sender, EventArgs e) {
~(W q 5<v if (Server.GetLastError() is HttpUnhandledException)
Y.9s-g Server.Transfer("MyErrorPage.aspx");
7`113`1 WP/?(%#Y //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
8KH|:>s= }
y\M]\^[7 p*F.WxB)4 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
DEj6 ky XcfvmlBoD- 10.清空Cookie
8G&'ED_& Cookie.Expires=[DateTime];
7[=MgnmuC Response.Cookies("UserName").Expires = 0
jQDXl .wj?}Fr?97 11.自定义异常处理
}=.:bwX5 //自定义异常处理类
: b9X?%L~ using System;
Li[ :L using System.Diagnostics;
p%;n4*b2 9"T&P_
namespace MyAppException
g\;&Z {
!Z f<
j /// <summary>
mUFg(;ya /// 从系统异常类ApplicationException继承的应用程序异常处理类。
J9+<9g4-t /// 自动将异常内容记录到Windows NT/2000的应用程序日志
7f!"vhCXM; /// </summary>
8UY[$lc public class AppException:System.ApplicationException
|Nx7jGd:i {
Tf[o'=2 public AppException()
#^|"dIZ_M {
vumA W* if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
#9Src\V }
oHo@rGU 9|y?jb5im public AppException(string message)
lOk'stLNa& {
-?T:> *]p LogEvent(message);
v/NkG;NWM }
> 93I|C| 2y"]rUS` public AppException(string message,Exception innerException)
;8!L*uMI {
&-l(nr]h] LogEvent(message);
A.`)
0dV if (innerException != null)
re\pE2&B {
ZdcG6IG+ LogEvent(innerException.Message);
,OGXH2!h }
uvbXsO"z]] }
PH6!T/2[ FVi7gg.? //日志记录类
puE!7:X7 using System;
{,kA'Px) using System.Configuration;
ZboY]1L[j using System.Diagnostics;
VZ69s{/.B using System.IO;
D`Tx,^E using System.Text;
~yrEB:w`_ using System.Threading;
Cp[{|U-?G JerueF;J namespace MyEventLog
((Jiv=% {
>m66j2(H*Z /// <summary>
_ML`Vh] /// 事件日志记录类,提供事件日志记录支持
y+R*<5qC< /// <remarks>
jv<C#0E^ /// 定义了4个日志记录方法 (error, warning, info, trace)
S.^/Cl;aj /// </remarks>
El9D1], /// </summary>
'
];| public class ApplicationLog
_VvXE572 {
?+^vU5b1u /// <summary>
Ml bQLtw /// 将错误信息记录到Win2000/NT事件日志中
@fjVCc; /// <param name="message">需要记录的文本信息</param>
*Fb|iR /// </summary>
@nPXu2c?u7 public static void WriteError(String message)
k;)t}7(
{
PG@Uygahu WriteLog(TraceLevel.Error, message);
Y*}xD;c
k }
G]DSwtB?D VB(S]N)F^ /// <summary>
7Pb:z4j /// 将警告信息记录到Win2000/NT事件日志中
Hu4\4x$? /// <param name="message">需要记录的文本信息</param>
M.*3qWM /// </summary>
'h]sq{ public static void WriteWarning(String message)
at(oepq {
i'6>_,\( WriteLog(TraceLevel.Warning, message);
GxFmw: }
r]6X ;";#{B: /// <summary>
^nPk;%`0 /// 将提示信息记录到Win2000/NT事件日志中
?G|*=-8 /// <param name="message">需要记录的文本信息</param>
v; =|-y /// </summary>
`X mT)C public static void WriteInfo(String message)
PPj_NV {
&O&;v|!9 WriteLog(TraceLevel.Info, message);
G; onJ> }
sTmY'5ry /// <summary>
/E%r@Rui3$ /// 将跟踪信息记录到Win2000/NT事件日志中
Uu}a! V /// <param name="message">需要记录的文本信息</param>
K
|Z] /// </summary>
:4HZ>!i public static void WriteTrace(String message)
#RN"Ul-B| {
aC2cyUuaN WriteLog(TraceLevel.Verbose, message);
cz{5-;$9Z }
IRq@~vdt) f>i" j /// <summary>
]&oQ6 /// 格式化记录到事件日志的文本信息格式
Pr>Pxs r& /// <param name="ex">需要格式化的异常对象</param>
2%i3[N* /// <param name="catchInfo">异常信息标题字符串.</param>
,o?yS>L_r /// <retvalue>
n91@{U)QJ3 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
=
nIl$9 /// </retvalue>
I4Y;9Gg /// </summary>
x{|`q9V~ N public static String FormatException(Exception ex, String catchInfo)
!}+rg2 {
ug?])nO.C StringBuilder strBuilder = new StringBuilder();
z[E gMS! if (catchInfo != String.Empty)
,sk0){rW {
mW+QJ` 3 strBuilder.Append(catchInfo).Append("\r\n");
W)OoHpdw }
Gdi8Al]\Nl strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
koTb{U L return strBuilder.ToString();
z]\CI: }
q.GA\o jO5R0^w /// <summary>
3Mlwq'pzD /// 实际事件日志写入方法
vwc)d{ND /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
7y/Pch /// <param name="messageText">要记录的文本.</param>
)|Il@unp/ /// </summary>
VK~ OL private static void WriteLog(TraceLevel level, String messageText)
"&@v[O)!xu {
O]/BNacS try
rB<za I\V {
>^U$2P EventLogEntryType LogEntryType;
kN'.e* switch (level)
2)W~7GED {
*!W<yNrR case TraceLevel.Error:
Gs0x;91 LogEntryType = EventLogEntryType.Error;
Ie<`WU K break;
p%?VW case TraceLevel.Warning:
/&T"w,D LogEntryType = EventLogEntryType.Warning;
~8htg8CZ` break;
(mvzGXNz4 case TraceLevel.Info:
/8s+eHn&% LogEntryType = EventLogEntryType.Information;
pT=YV
k break;
N8-!}\, case TraceLevel.Verbose:
bq}hj Cy
LogEntryType = EventLogEntryType.SuccessAudit;
QnJ(C]cW break;
'x{E#4A default:
;FI"N@z LogEntryType = EventLogEntryType.SuccessAudit;
kCuIEv@ break;
#xlT,:_:) }
BY&+fKae Kx@Papn|6 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
w4"4(SR. //写入事件日志
/HiRbwQK# eventLog.WriteEntry(messageText, LogEntryType);
3r]m8Hp GK>. R<[ }
>
]()#z catch {} //忽略任何异常
EAE\'9T&g }
hM/:zC: } //class ApplicationLog
%^){)#6w }
Js'#= >bo_ 12.Panel 横向滚动,纵向自动扩展
55<f <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
eX1<zzd Hyj<Fqr!. 13.回车转换成Tab
Vw P+tM <script language="javascript" for="document" event="onkeydown">
<,Z6=M` if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
"F.0(<4) event.keyCode=9;
YR\pt8(z? </script>
?[`*z?} WF!u2E+ onkeydown="if(event.keyCode==13) event.keyCode=9"
([+u U! j1sZRl)D 14.DataGrid超级连接列
u6pfc'GG g DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
U,_jb}$Sq7 .0gF&>I} 15.DataGrid行随鼠标变色
555*IT3b private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Q^_*&},V {
QUSyVp{$ if (e.Item.ItemType!=ListItemType.Header)
o;#9$j7QP! {
4,yS7l e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Y#A0ud, e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
P*\h)F/3}t }
H`XE5Hk)P% }
^kElb;d @ 7WWoy 16.模板列
\]a@ NBv <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
bV~z}V& <ITEMTEMPLATE>
;rK=
jz^Q <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
UF$JVb </ITEMTEMPLATE>
xKZLXQ'e- </ASP:TEMPLATECOLUMN>
kg@Okz N% /@!%/Kl <ASP:TEMPLATECOLUMN headertext="选中">
'%}k"&t$i <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
HLa3lUo <ITEMTEMPLATE>
~%8T_R /3 <ASP:CHECKBOX id="chkExport" runat="server" />
SBNeN] </ITEMTEMPLATE>
4J"S?HsW| <EDITITEMTEMPLATE>
Z^'i16 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
yGN2/>] </EDITITEMTEMPLATE>
K< ;I*cAX </ASP:TEMPLATECOLUMN>
B_u1FWc d8o<Q 9 后台代码
v"po}K protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
R[l9f8 {
.>.B //改变列的选定,实现全选或全不选。
NukcBH CheckBox chkExport ;
.0 [
zZ if( CheckAll.Checked)
x bsk {
8^8fUN4<= foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
5,;>b^gXY` {
Z/p>>SCak chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ROv(O;.Ty chkExport.Checked = true;
Rx}*I00 }
^V1iOf: }
aT[qJbp1 else
-!~T$}/F {
I>(3\z4s foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
^)| !nd {
oXQzCjX_ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
R'#1|eWCa chkExport.Checked = false;
cU+%zk }
?aMV{H*Q* }
hS?pc<~`# }
PU"C('AP bGO[P<< 17.数字格式化
6BnP"R. [#}0) 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
|6ZH+6[ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
N3Yf3rK [X"F}ph int i=123456;
feI%QnK)U string s=i.ToString("###,###.00");
49gm=XPm 3.c0PRZ 18.日期格式化
Bc^%1 wd
4]Z0; 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
e)#O-y /p&V72 显示为: 2004-8-11 19:44:28
Q^|ZoJS mHiV};$ 我只想要:2004-8-11 】
S1!X;PP/ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
z;#DX15Rj 2!7)7wlj0 应该如何改?
{`Jr$*; IO*}N" 【格式化日期】
sb]{05: n[mVwQ(% 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
'UW(0 PXw q$<M2 【日期的验证表达式】
\$iU#Z _~{Nco7T A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
!ULU#2'1 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
eLvbPE_ )37 .H^7 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
['*{f(AI ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
I"4Lma 3>+9Rru 【大小写转换】
r&MHww1i HttpUtility.HtmlEncode(string);
hJ>Kfm HttpUtility.HtmlDecode(string)
p H5iv>H |3a1hCxt 19.如何设定全局变量
1;U
`e4" I|`/#BYbW Global.asax中
&{x%"Aq/ T[z}^" Application_Start()事件中
06Irx^n "L(4 EcO@ 添加Application[属性名] = xxx;
/F(wb_! JFJ_
PphvD 就是你的全局变量
X:un4B}O `ZC{<eVJ}= 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#JOWiO0> D.i(Irqw! HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
BkH- d z &7}\mnhB 【ASPNETMENU】点击菜单项弹出新窗口
ZSBa+3;z
x=/`W^t2 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
l\?HeVk^ <?xml version="1.0" encoding="GB2312"?>
kvdiDo <MenuData ImagesBaseURL="images/">
Zgw;AY.R> <MenuGroup>
7eM:YqT/# <MenuItem Label="内参信息" URL="Infomation.aspx" >
s y ]k <MenuGroup ID="BBC">
u(Y! _ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
0L
^WTq <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
-$@$ ......
+5zLQ>]z &sbKN[x M 最好将你的aspnetmenu升级到1.2版
(eG9b pqr t7t?xk!2 21.读取DataGrid控件TextBox值
~)ZMGx foreach(DataGrid dgi in yourDataGrid.Items)
'T
'&OA {
iEA$`LhO\A TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
)YKnFSm tb.Text....
[YGPcGw }
WT-BHB1 )*b
dG'}
23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
*Y4[YnkPE FuWMVT`Y 〖思归〗
!zu YO3: <asp:TemplateColumn HeaderText="数量">
O!,WH?r <ItemTemplate>
?^8CD.| <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
xbN)z onkeyup="javascript:DoCal()"
SRUg2)d />
/8)-j}gZa 4/z
K3%J <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
FnoE\2}9 </ItemTemplate>
0`LR!X </asp:TemplateColumn>
H/rJ:3 aB=&X