1. 打开新的窗口并传送参数:
2>z YJqG| j^G=9r[, 传送参数:
O&!R7T response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
/t5)& 1tuvJ+`{ 接收参数:
VcjbRpTy& string a = Request.QueryString("id");
41
F;X{Br string b = Request.QueryString("id1");
|)x7qy` IjI'Hx 2.为按钮添加对话框
}#z1>y!# Button1.Attributes.Add("onclick","return confirm(’确认?’)");
K EAXDF button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
dx%z9[8~{. 4o>y9 3.删除表格选定记录
Vl.,e1)6 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
8Vu@awz{L string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
cILS LV}R 9f 4.删除表格记录警告
SYJO3cY private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
0`/G(ukO {
VL%. maj switch(e.Item.ItemType)
WJ{Iv] }9 {
&V4Zmn?UU case ListItemType.Item :
~yv7[`+Tgg case ListItemType.AlternatingItem :
i)#-VOhX) case ListItemType.EditItem:
Cqd\n#d/~ TableCell myTableCell;
2 6#p,P myTableCell = e.Item.Cells[14];
PV68d; $:8 LinkButton myDeleteButton ;
ki1(b]rf myDeleteButton = (LinkButton)myTableCell.Controls[0];
x0 j5D myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
'9\cIni0 break;
v9(5HY default:
\Vc[/Qp7Bb break;
aZ@pfWwa: }
Pps$=` "vGh/sXW }
H cmW `[H^` 5.点击表格行链接另一页
!Asncc G private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#GM^ :rF {
_a09;C //点击表格打开
n%E,[JT if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
/HIyQW\Ki- e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
5 -i,Tx&: }
<83Ky;ry ~ l}f@@u 双击表格连接到另一页
'LgRdtO6 A6(Do]M 在itemDataBind事件中
qbyYNlXqm if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<4rnOQ: {
p)biOG string OrderItemID =e.item.cells[1].Text;
.W]k8N E ...
r1!1u7dr
t e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
]V"P
&;m }
v[L+PD
U 0CzQel)L: 双击表格打开新一页
TdFU, if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
*\ii+f- {
!}Xoqamm string OrderItemID =e.item.cells[1].Text;
Snr(<u ...
0zW*JJxV e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
|5u~L#P }
FjCGD4x1N h)Y] L#R ★特别注意:【?id=】 处不能为 【?id =】
~ QRjl 6.表格超连接列传递参数
t/|0"\ p <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
gIo\^ktW <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
t/ \S9 WI\a 7.表格点击改变颜色
@i ~ A7L0/ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
+4yre^gC {
~z^?+MgZ2 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
8063LWV this.style.color=’buttontext’;this.style.cursor=’default’;");
("U<@~ }
JrcbJt _[rFnyC+0V 写在DataGrid的_ItemDataBound里
ebA95v`Vms if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
$+j1^ {
suE K;Bk9 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
bM?gAY]mB8 this.style.color=’buttontext’;this.style.cursor=’default’;");
dN5{W0_ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
8N&'n }
'TeH(?3G |z)s9B;:#i W.3b]zcV 8.关于日期格式
T0 K!Msz xPZ>vCg 日期格式设定
1Uup.( DataFormatString="{0:yyyy-MM-dd}"
*}2L4] ]i
{yJ)i 我觉得应该在itembound事件中
5 `1 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
a0NiVF-m% jG>W+lq 9.获取错误信息并到指定页面
Zn9tG:V 8-#kY}d. 不要使用Response.Redirect,而应该使用Server.Transfer
m>=DJ{KQ ^E^`" e.g
o`f^ m // in global.asax
q|*^{(tWs protected void Application_Error(Object sender, EventArgs e) {
3(e_2v if (Server.GetLastError() is HttpUnhandledException)
NP;W=A F Server.Transfer("MyErrorPage.aspx");
um%_kX (MLcA\LJ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
6Vnq|;W3Zv }
Kk^*#vR t7by OMC 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
exq5Z c% hywcj\[ 10.清空Cookie
TuQGF$n@ Cookie.Expires=[DateTime];
xM%4/QE+ Response.Cookies("UserName").Expires = 0
h0<PQZJ ?^voA.Bv< 11.自定义异常处理
d,GOP_N8I //自定义异常处理类
|Gic79b using System;
%`F;i)Zz using System.Diagnostics;
0&s6PS% '=0}2sF> namespace MyAppException
C8K2F5c5 {
_mSefPl /// <summary>
ko9}?qs /// 从系统异常类ApplicationException继承的应用程序异常处理类。
`,]Bs*~ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
8>YF}\D V /// </summary>
1<ag=D`F_" public class AppException:System.ApplicationException
)-
W1Wtom {
zT>!xGTu7~ public AppException()
AW5iwq6p {
~5,^CTAM if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
%:aXEjm@ }
t@!n?j
I ?%5VaxWJ public AppException(string message)
Oc L7] b0 {
b`X''6 LogEvent(message);
mG
S4W; }
z>W:+W"o ^}+\ 52w public AppException(string message,Exception innerException)
coAXYn {
Y(Oh7VwY*P LogEvent(message);
lp}S'^ y if (innerException != null)
ujV{AF`JfB {
]s=|+tz\V LogEvent(innerException.Message);
o-6d$c}{f }
`<9>X9.+ }
BpIyw
4]r_K2.cc //日志记录类
M!,H0(@G using System;
hC2Fup1 @ using System.Configuration;
)9H5'Wh# using System.Diagnostics;
dk&e EDvfd using System.IO;
ny{C,1QG using System.Text;
L('1NN2 using System.Threading;
$e+sqgU AERJ]$\
namespace MyEventLog
)'kpO> _G {
_V$'nz#>e /// <summary>
m|q,ixg /// 事件日志记录类,提供事件日志记录支持
e(7#>O%1 /// <remarks>
u+V*U5v /// 定义了4个日志记录方法 (error, warning, info, trace)
yz68g?" /// </remarks>
j4IVIj@$` /// </summary>
HJ&P[zV^ public class ApplicationLog
z>PVv)X {
\\SQACN /// <summary>
1gHe$dzXk /// 将错误信息记录到Win2000/NT事件日志中
yV.p=8: /// <param name="message">需要记录的文本信息</param>
9[qOfIny /// </summary>
d<-f:}^k0 public static void WriteError(String message)
$!O@Z8B {
z_>~=Mm WriteLog(TraceLevel.Error, message);
g`pq*D }
mn@1c4y ZxvH1qx8 /// <summary>
h:fiUCw /// 将警告信息记录到Win2000/NT事件日志中
[e><^R*u /// <param name="message">需要记录的文本信息</param>
4AJ] qu /// </summary>
D_lRYLA+ public static void WriteWarning(String message)
dWd%>9}
{
;g0s1nz WriteLog(TraceLevel.Warning, message);
?TA7i b_ }
XmQ;Roe 5t:Zp\$+` /// <summary>
&ZD@-"@ /// 将提示信息记录到Win2000/NT事件日志中
:^y!z1\2(7 /// <param name="message">需要记录的文本信息</param>
lgews" /// </summary>
Q:q0C
+T public static void WriteInfo(String message)
kgo#JY-4 {
ob>)F^.iS WriteLog(TraceLevel.Info, message);
UPH#~D! }
b^HDN(v /// <summary>
2}&ERW /// 将跟踪信息记录到Win2000/NT事件日志中
6La[( ) /// <param name="message">需要记录的文本信息</param>
GDLi?3q /// </summary>
}{F)Ren public static void WriteTrace(String message)
QYbB\Y {
:[<Y#EX. WriteLog(TraceLevel.Verbose, message);
4.,EKw3 }
:-{"9cgFR CmB_g?K /// <summary>
%gmx47 /// 格式化记录到事件日志的文本信息格式
Bj7*2} /// <param name="ex">需要格式化的异常对象</param>
XH%pV /// <param name="catchInfo">异常信息标题字符串.</param>
0~U0s3 /// <retvalue>
o(ow{S@=4 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
oEX,\@+u /// </retvalue>
i~Tt\UA> /// </summary>
c=u+X`
Q public static String FormatException(Exception ex, String catchInfo)
4$R!) {
[#GBn0BG) StringBuilder strBuilder = new StringBuilder();
|*?N#0s5h if (catchInfo != String.Empty)
W5u5!L/ {
Fu.aV876\f strBuilder.Append(catchInfo).Append("\r\n");
&6\&McmkX }
yu6~:$%H strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
]\yB, return strBuilder.ToString();
THwM',6 }
CzV;{[?~; cx:_5GF /// <summary>
[h-6;.e /// 实际事件日志写入方法
wKpGJ&
{ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
i6paNHi* /// <param name="messageText">要记录的文本.</param>
[<=RsD_q~ /// </summary>
F/2cQ.u2 private static void WriteLog(TraceLevel level, String messageText)
tz]0F5 {
<~mqb=qA$ try
@_`r*Tb)dM {
"[ LUv5 EventLogEntryType LogEntryType;
A}Iyl switch (level)
<lB2Nv-, {
<qR$ `mLN case TraceLevel.Error:
!IOmJpl' LogEntryType = EventLogEntryType.Error;
6Y2,fW8i, break;
)?[2Y%P case TraceLevel.Warning:
L9/'zhiZBx LogEntryType = EventLogEntryType.Warning;
)FwOg;=3M" break;
n@`3O'S case TraceLevel.Info:
'`upSJ;e LogEntryType = EventLogEntryType.Information;
<l1/lm<# break;
W
$D 34( case TraceLevel.Verbose:
+(Y\w^@%H LogEntryType = EventLogEntryType.SuccessAudit;
SLuQv?R}9 break;
.Vt|;P} default:
K21Xx`XK LogEntryType = EventLogEntryType.SuccessAudit;
=+X*$'<J break;
;,-)Z|W }
wA{)9. W^elzN(
EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
1tXc7NA< //写入事件日志
d*+}_EV)Y3 eventLog.WriteEntry(messageText, LogEntryType);
"dCIg{j %# uw8V }
[g}^{ $` catch {} //忽略任何异常
N,w6 }
q<\r}1Dm } //class ApplicationLog
9]3l' }
r5&c!b \ ScJ:F-@> 12.Panel 横向滚动,纵向自动扩展
-v9 (43 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
IG0_ Y#lAG@$ 13.回车转换成Tab
X)SUFhP\ <script language="javascript" for="document" event="onkeydown">
eQQVfEvS if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
8GxT! event.keyCode=9;
Oi?Q^ISxP </script>
ub 2'|CYw ;7Qe m& onkeydown="if(event.keyCode==13) event.keyCode=9"
xFUD9TM
@dQr^'h 14.DataGrid超级连接列
Yy
4Was# DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
CH+%q+I hak#Iz0[C 15.DataGrid行随鼠标变色
g{DOQA private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
T2-x 1Sw_ {
6iQqOAG if (e.Item.ItemType!=ListItemType.Header)
fXevr ` {
h`fZ8|yw e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
RCqL~7C+ k e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
3Dc^lfn }
~@@t-QY }
ip'v<%,Q3" -T+yS BO_3 16.模板列
[
2@Lc3< <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
E2
'Al6^C <ITEMTEMPLATE>
Ew}GPJ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
6AD&%v </ITEMTEMPLATE>
VFV8ik) </ASP:TEMPLATECOLUMN>
XXwIp-' _BG`!3U+ <ASP:TEMPLATECOLUMN headertext="选中">
NO*~C',cI/ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
_)-2h[ <ITEMTEMPLATE>
&\?{%xj <ASP:CHECKBOX id="chkExport" runat="server" />
N
cHCcc </ITEMTEMPLATE>
J'cE@(US <EDITITEMTEMPLATE>
5YZ\@<|rH <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
@W+8z#xr' </EDITITEMTEMPLATE>
21$^k5 </ASP:TEMPLATECOLUMN>
w;VUP@Wm m";8 nm 后台代码
"~C\Z} ; protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
|RpZr!3V {
qyyLU@hd //改变列的选定,实现全选或全不选。
Ahd{f! CheckBox chkExport ;
M]\"]H? if( CheckAll.Checked)
R U[ {
&m(eMX0lU foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
?Wt_Obl {
Rpcnpo chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
jbOzbxR? chkExport.Checked = true;
'H1"z!] }
+$~HRbo }
,^xsdqpe else
P\c0Q;){h" {
(I`<; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
hy"p8j7_ {
x2i`$iNhmP chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Fo"'[` chkExport.Checked = false;
0A~f
^ }
jP@t!= }
Rx<[bohio }
$AFiPH9 e ]>{?Z 17.数字格式化
RmN\;G?} "2"*3R<Y 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
)fZ5.W8UE] <%#Container.DataItem("price","{0:¥#,##0.00}")%>
JvUHoc$sI `0ju=FP'u5 int i=123456;
BJ/#V) string s=i.ToString("###,###.00");
9.goO|~B~ OQX ek@~2 18.日期格式化
L3Q1az!Ct r52,f%nlm 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
YpZ9h@, "ZVBn!
显示为: 2004-8-11 19:44:28
tX*L_ =TI|uD6T 我只想要:2004-8-11 】
Z@i MG <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
13{"sY:PT# Ah2XwFg? 应该如何改?
&9] [~$ eEe8T=mD 【格式化日期】
?Ve5}N :S7yM8b` 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
l 0b=;^6 !r!Mq~X<= 【日期的验证表达式】
R}+/jh2O| "Lpt@g[HF A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
7#|NQ=yd ^((\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})))?$
kAk,:a;P O,1u\Zy/ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
qaGIU`}:$A ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
S(-=I!.G{ TuCOoz@d 【大小写转换】
a
m zw HttpUtility.HtmlEncode(string);
+ow
^xiD HttpUtility.HtmlDecode(string)
~ pdf' mg,f> ( 19.如何设定全局变量
.y2<2eW }>XSp)"{l Global.asax中
(&hX8 7<:w- Application_Start()事件中
?h3Ow`1G hA\8&pI; 添加Application[属性名] = xxx;
=L
wX+c `Zi #rr|)L 就是你的全局变量
SCH![Amq o%9>elOju 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
-MEz`7c~ Gf]s?J^a HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Pd;ClMa% EIEq[`h 【ASPNETMENU】点击菜单项弹出新窗口
< 5_Ys 9FLn7Y 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
gX _BJ6 <?xml version="1.0" encoding="GB2312"?>
J+|ohA <MenuData ImagesBaseURL="images/">
<d5vVn <MenuGroup>
qRGb3l <MenuItem Label="内参信息" URL="Infomation.aspx" >
C[&&.w8Pm <MenuGroup ID="BBC">
v_@_J!s <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
)?bb]hZg?O <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
IP;@unBl ......
xA5$!Oq7 hCvn(f 最好将你的aspnetmenu升级到1.2版
yK7>^p}V TxCQGzqe 21.读取DataGrid控件TextBox值
k"7eHSy, foreach(DataGrid dgi in yourDataGrid.Items)
Fi/G, [q {
CzEn_ZMb TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Mqtp}<*@- tb.Text....
+r!h* 4 }
?W|IC8~d') fDqXM;a" 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
=GVhAzD3 Z=c@Gd 〖思归〗
EDQJ>c <asp:TemplateColumn HeaderText="数量">
r"[T9 <ItemTemplate>
nm-Y?!J <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
|YFD| onkeyup="javascript:DoCal()"
`j<tI6[e />
?^vZ{B)&0E f,a %@WT <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Lb{D5k*XU </ItemTemplate>
U[D<%7f </asp:TemplateColumn>
ZtLn*M ?.4l1X6Ba <asp:TemplateColumn HeaderText="单价">
ibc/x v2 <ItemTemplate>
.am*d|&+G <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
~=mM/@HD onkeyup="javascript:DoCal()"
feW9>f; />
E\S&} K,s `j![ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
r?I(me, nu<!/O </ItemTemplate>
tp^'W7E </asp:TemplateColumn>
_D4}[` a&