1. 打开新的窗口并传送参数:
eB*8)gYh 0)V-|v` 传送参数:
t8 "-zd8 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
,0]28D D:tZiS=0 接收参数:
q&T'x> / string a = Request.QueryString("id");
>r3< O=Z7 string b = Request.QueryString("id1");
GuvF z&,sm5Lb 2.为按钮添加对话框
/ASI0h Button1.Attributes.Add("onclick","return confirm(’确认?’)");
MPN=K|* button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
mp3_n:R? !p2,|6Y`y 3.删除表格选定记录
F5P{+z7 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
G| oG: string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
e~]e9-L>I TR_oI<xB2 4.删除表格记录警告
:~R
Fy?xRa private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
4^_Au^8R( {
PJ:5Lb< switch(e.Item.ItemType)
[(EH {
}A/&]1GWk case ListItemType.Item :
luk2fi<$ case ListItemType.AlternatingItem :
+\vY; !^ case ListItemType.EditItem:
-Bv1}xf=6 TableCell myTableCell;
p+UHJ& myTableCell = e.Item.Cells[14];
FKnQwX.0 LinkButton myDeleteButton ;
-01 1U! myDeleteButton = (LinkButton)myTableCell.Controls[0];
6-14Htsk6 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
9~%]|_( break;
)h_7 2 default:
X]U"ru{1q break;
Z)T@`B6
}
aDvO(C o\;"|O} }
j{Jc6U !_H8Q}a 5.点击表格行链接另一页
8kM0
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
';|>`< {
exEld //点击表格打开
G|oB'~{& if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
qs1.@l(" e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Z6([/n }
s5aOAyb*w _6S
b.9m 双击表格连接到另一页
gXLZ) >+A+ :Z]hI+7 在itemDataBind事件中
Fif^V if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5QFXj)hR+4 {
\R>5F\ 0 string OrderItemID =e.item.cells[1].Text;
w$[Ds ...
<Dj$0g e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
+9
p`D }
9_A0:S9Z MD
?F1l"}% 双击表格打开新一页
s.I1L?s1w? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R{xyme@"^ {
$ X=D9h string OrderItemID =e.item.cells[1].Text;
ZR-s{2sl ...
.UhBvHH e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
;ko[(eFN@ }
.m]=JC5' p1VahjRE- ★特别注意:【?id=】 处不能为 【?id =】
CX ]\Q-y 6.表格超连接列传递参数
JGO$4DK-1 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
:CkR4J!m3 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
&A9A#It 1S[5#ewB;j 7.表格点击改变颜色
Bpm5dT; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Y:"v=EhB {
n@07$lY@; e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
R|)2Dg this.style.color=’buttontext’;this.style.cursor=’default’;");
_[{:!?-? }
D"x$^6`c} PZ!dn%4jy 写在DataGrid的_ItemDataBound里
>SxZ9T|% if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
oLqbR? {
)_c=mT e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
4/`h@]8P this.style.color=’buttontext’;this.style.cursor=’default’;");
+>!B(j\gx e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
#[U9(44, }
lA.;ZD! +F7<5YW&( zOao& 8.关于日期格式
:<t{ =0G zOiY0`= 日期格式设定
?lc[hH DataFormatString="{0:yyyy-MM-dd}"
x'M^4{4[ b,rH&+2H 我觉得应该在itembound事件中
sR>`QIi(a e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
0Y6q$h>4 (
*9Ip 9.获取错误信息并到指定页面
Q9yGQu hSkc9jBF 不要使用Response.Redirect,而应该使用Server.Transfer
[j=,g-EOA ?}=-eJ(7e e.g
:PFx& // in global.asax
Wiq{wxe protected void Application_Error(Object sender, EventArgs e) {
%su}Ru if (Server.GetLastError() is HttpUnhandledException)
oTF^<I-C Server.Transfer("MyErrorPage.aspx");
uO
?Od 43J\8WBn@ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
SY$J+YBLM }
,W1a<dl m1hW< Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
@q> ktE_ aJ5H3X}Y 10.清空Cookie
})o~E Cookie.Expires=[DateTime];
IP30y>\ Response.Cookies("UserName").Expires = 0
=mHkXHE~: `%t$s,TiP 11.自定义异常处理
cS D._"P //自定义异常处理类
2gd<8a' ' using System;
49+ >f using System.Diagnostics;
;m@1Ec@*p J+)'-OFt0 namespace MyAppException
lX98"} {
& Fg|%,fv] /// <summary>
%6NO 0 F^ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
gEr4zae /// 自动将异常内容记录到Windows NT/2000的应用程序日志
~Na=+}.q_ /// </summary>
j>0<#SYBu public class AppException:System.ApplicationException
Fw_
(q! {
Yz&*PPx public AppException()
r-RCe3%g% {
1Yc%0L( if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
I?_E,.)[ I }
"El^38Ho Xw7{R public AppException(string message)
pOqGAD{D$ {
rQ9*J LogEvent(message);
5/& 1Oxo }
-"W )|oC_ nK+lE0 public AppException(string message,Exception innerException)
r1i$D {
9o-!ecx} LogEvent(message);
OSp?okV if (innerException != null)
H4M{_2DO {
FE/$(7rM LogEvent(innerException.Message);
M[ x_#m| }
X'cf&>h }
eYJ{LPo ]e^R@w //日志记录类
ZhH+D`9 using System;
- #3{{ using System.Configuration;
; D1FAz using System.Diagnostics;
{IJ-4> using System.IO;
7^ 4jcfJH using System.Text;
}o-|8P:Y using System.Threading;
}l~]b3@qu bfFmTI$, namespace MyEventLog
9160L qY {
53B.2
4Tm /// <summary>
zQ ,f5x /// 事件日志记录类,提供事件日志记录支持
H{ZLk, /// <remarks>
ylk{! /// 定义了4个日志记录方法 (error, warning, info, trace)
GGH;Z WSe /// </remarks>
aiYo8+{!# /// </summary>
9o EpPL5 public class ApplicationLog
sF y]+DB {
Bb~5& @M|N /// <summary>
V|TA:&:7 /// 将错误信息记录到Win2000/NT事件日志中
\I;cZ>{u"} /// <param name="message">需要记录的文本信息</param>
tyB)HF /// </summary>
u=%y public static void WriteError(String message)
]3}feU+ {
,s0
9B WriteLog(TraceLevel.Error, message);
)]73S@P(= }
Yt{ji {B3(HiC /// <summary>
>)LAjwhBp /// 将警告信息记录到Win2000/NT事件日志中
`qE4U4 /// <param name="message">需要记录的文本信息</param>
?9p$XG /// </summary>
z=qWJQ public static void WriteWarning(String message)
(v!mR+\x {
)!A 2> WriteLog(TraceLevel.Warning, message);
H<,bq*@ }
y`rL=N# Wm(:P /// <summary>
I] jX7.fx /// 将提示信息记录到Win2000/NT事件日志中
Je^Y&a~ /// <param name="message">需要记录的文本信息</param>
(k8Z=/N~ /// </summary>
ijFV<P public static void WriteInfo(String message)
zrrz<dW {
7%4.b7Q WriteLog(TraceLevel.Info, message);
`gI~|A4 }
gKWzFnW /// <summary>
>b>gr OX /// 将跟踪信息记录到Win2000/NT事件日志中
zka?cOmYF[ /// <param name="message">需要记录的文本信息</param>
Wab.|\c /// </summary>
J?IC~5*2 public static void WriteTrace(String message)
HyEa_9
{
?I[h~vr6. WriteLog(TraceLevel.Verbose, message);
z?kd'j`FG }
E67XPvo1+@ zw]3Vg{T /// <summary>
#EG?9T /// 格式化记录到事件日志的文本信息格式
wWTQ6~Y%d /// <param name="ex">需要格式化的异常对象</param>
#/+I*B*y /// <param name="catchInfo">异常信息标题字符串.</param>
UfKkgq# /// <retvalue>
hO6RQ0Iv@ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
f&c]LH_ /// </retvalue>
c|lU(Tf /// </summary>
4)^vMG& public static String FormatException(Exception ex, String catchInfo)
Xhse~=qA {
.E$q&7@/j StringBuilder strBuilder = new StringBuilder();
| 3giZ{ if (catchInfo != String.Empty)
)[jy[[K( {
e!Br>^8l strBuilder.Append(catchInfo).Append("\r\n");
TV=c,*TV }
p+[}Hxx= strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
/cfHYvnz return strBuilder.ToString();
$)*xC!@6X }
iNJAZ6@+ ?E7=:h(@t /// <summary>
uNbIX:L, /// 实际事件日志写入方法
2.f|2:I /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
@.ZL7$|d /// <param name="messageText">要记录的文本.</param>
p=B?/Sqa /// </summary>
KjOi(YUnq7 private static void WriteLog(TraceLevel level, String messageText)
J`<f {
&@6 GI< try
-:SIS`0s {
jDTUXwx7V EventLogEntryType LogEntryType;
S+ebO/$> switch (level)
"w&/m}E,[ {
%[Zz0|A case TraceLevel.Error:
Dm%%e o LogEntryType = EventLogEntryType.Error;
m}5q]N";x break;
z0Xa_w= case TraceLevel.Warning:
_{Y$o'*#I LogEntryType = EventLogEntryType.Warning;
G),db%,X2 break;
8lwM{?k$ case TraceLevel.Info:
fxtxu?A> LogEntryType = EventLogEntryType.Information;
85z;Zt0{ break;
j=ihbR^]Tl case TraceLevel.Verbose:
:JlDi>B LogEntryType = EventLogEntryType.SuccessAudit;
ETp'oh}? break;
0H[L S default:
\r;F2C0*i LogEntryType = EventLogEntryType.SuccessAudit;
+'XhC#: break;
J+Bdz6lt }
d(S}NH 2Va4i7"X\ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
nwf7M#3d //写入事件日志
RrWNJ&o eventLog.WriteEntry(messageText, LogEntryType);
D9-Lg% z*LiweR- }
]yLhJ_^ catch {} //忽略任何异常
0=;YnsY }
^,V[nfQR } //class ApplicationLog
o.^y1mH' }
#T \ J#7y<
s 12.Panel 横向滚动,纵向自动扩展
16$y`~c-z <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
;&,.TC?l m:{tgcE 13.回车转换成Tab
wPnybb{ <script language="javascript" for="document" event="onkeydown">
xK;e\^v if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
j} RzXJ~t event.keyCode=9;
U:|H9+5 </script>
de YyaV 84M3c onkeydown="if(event.keyCode==13) event.keyCode=9"
)#`H."Z -_~)f{KN@ 14.DataGrid超级连接列
NHiq^ojk DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
\FifzKA #D)x}#V\ 15.DataGrid行随鼠标变色
T=\!2gt private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
h^M^7S {
+v15[^F if (e.Item.ItemType!=ListItemType.Header)
nY^Nbh0 {
Vz w PBQ - e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
k'+}92
o e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
mU G
%LM }
F~_;o+e;X }
N5 n> bPd-D-R 16.模板列
509Q0 [k <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
;NsO <ITEMTEMPLATE>
b3U6;]|x <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
C6@t </ITEMTEMPLATE>
#Lka+l;L7 </ASP:TEMPLATECOLUMN>
\*"`L3 -G b-^G <ASP:TEMPLATECOLUMN headertext="选中">
'b[0ci: <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
@@}`hii <ITEMTEMPLATE>
$TG?4 <ASP:CHECKBOX id="chkExport" runat="server" />
`WlE|
G[ </ITEMTEMPLATE>
U9ZbVjqv@ <EDITITEMTEMPLATE>
9
5 H?{ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
X?dfcS*!n </EDITITEMTEMPLATE>
+d39f-[ </ASP:TEMPLATECOLUMN>
nl@E[yA9[ h<3p8eB 后台代码
I@./${o protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
cY{Nos {
y\[r(4h //改变列的选定,实现全选或全不选。
{Y_Nj`#BT CheckBox chkExport ;
jA`a/vWu if( CheckAll.Checked)
+hH}h?K
{
V}9;eJRvw foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
_413\`%8? {
A1_ J sS chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
uec|S\~M chkExport.Checked = true;
s~$zWx@v }
L[C*@
uK }
-g~~] K% else
(cs~@ {
mk= #\> foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
)%mAZk-*;^ {
#nEL~& chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
#x~_`>mDN chkExport.Checked = false;
M+ aEma }
Yx1 D) }
:s*>W$Wp4 }
se,Z#H &O tAAE 17.数字格式化
&jm[4'$
*z 9#@Zz4Ww 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Z[}
$n-V <%#Container.DataItem("price","{0:¥#,##0.00}")%>
afm_ Rrg[ z5EVG int i=123456;
Gah lS*W string s=i.ToString("###,###.00");
A,c'g}: @ER1zKK? 18.日期格式化
Yu3_=:
<C
Ae3,^ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
6V;:+"BkJ N!m%~kS9k< 显示为: 2004-8-11 19:44:28
fn1pa@P ZQ[~*) 我只想要:2004-8-11 】
=pp:j`B9( <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
7) 0q--B /=ylQn3
* 应该如何改?
XGIpUz XS|mKuMcC 【格式化日期】
F+*Q <a4 evOb 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
/{we;Ut=g -+P7:4/ 【日期的验证表达式】
HRHrSf7 O+FBQiv A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
/"MJkM.~E ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
gj;@?o0 IJIQ"
s B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
IMaYEO[ ^\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]))$
^&m?qKN8 !KDr`CV& 【大小写转换】
Tc_do"uU HttpUtility.HtmlEncode(string);
8.2`~'V HttpUtility.HtmlDecode(string)
(nz}J)T& ]ym C3LV] 19.如何设定全局变量
?9S+Cj` czS7-Hh@ Global.asax中
2 `&<bt[g w,
7Cr Application_Start()事件中
%M6
c0d[9- qUg9$oh{LI 添加Application[属性名] = xxx;
\n(ROf^' 2Oi' E 就是你的全局变量
r=0j7^B# yjd(UWE 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
%/%gMRXG2 kjX7- ZPY HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
hr1$1&p 0BDoBR 【ASPNETMENU】点击菜单项弹出新窗口
C9pnU,[ cD8Ea( 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
mQ=sNZ-d] <?xml version="1.0" encoding="GB2312"?>
q_pmwJ:UL <MenuData ImagesBaseURL="images/">
+,wWhhvlzv <MenuGroup>
)-#i8?y3C <MenuItem Label="内参信息" URL="Infomation.aspx" >
Ge1duRGa <MenuGroup ID="BBC">
7vq
DZg <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
V" }*"P-% <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
CPGL!: ......
feN!_- `x*/UCy\ 最好将你的aspnetmenu升级到1.2版
_G[6+g5| nj"m^PmWo3 21.读取DataGrid控件TextBox值
g41<8^( foreach(DataGrid dgi in yourDataGrid.Items)
F;W' {
(QKsB3X TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
R Y9.n tb.Text....
S%{lJYwXt }
i=V-@|Z v!KJ|c@m 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
JeL~]F X7b!;%3@ 〖思归〗
3wo'jOb <asp:TemplateColumn HeaderText="数量">
_E(x2BS? <ItemTemplate>
FF jRf <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
b(1:w"wD onkeyup="javascript:DoCal()"
ILNXaJ'0a />
s*eyTm ;8uHRcdQ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
x?gQ\0S< </ItemTemplate>
k3#wLJ </asp:TemplateColumn>
/0-\ek ye sX
Z4U0# <asp:TemplateColumn HeaderText="单价">
#'wL\3 <ItemTemplate>
Zq^^|[)bA <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
1S&0 onkeyup="javascript:DoCal()"
ePi
Z />
OFp#<o,p SbCJ|z#? <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
`{Hb2
}L5 wzg i
@i </ItemTemplate>
y%JF8R;n </asp:TemplateColumn>
fH; |Rm !%X>rGkc <asp:TemplateColumn HeaderText="金额">
$Q=$?>4U <ItemTemplate>
!#C)99L"F <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
3eJ\aVI>pE </ItemTemplate>
kF#{An)P </asp:TemplateColumn><script language="javascript">
f^~2^p
1te function DoCal()
sFCf\y {
75<el.'H var e = event.srcElement;
} mgVC var row = e.parentNode.parentNode;
vu44 !c@ var txts = row.all.tags("INPUT");
80 dSQ"y if (!txts.length || txts.length < 3)
7bHE!#L`0 return;
X,&`WPA:S "--/v. Cs var q = txts[txts.length-3].value;
rYD']%2 var p = txts[txts.length-2].value;
3Sk5I% :J<Owh@ if (isNaN(q) || isNaN(p))
ixg\[5.Q+ return;
kja4!_d x-tm[x@;o q = parseInt(q);
K6ciqwUO p = parseFloat(p);
hZ%2?v` /@6E3lhS txts[txts.length-1].value = (q * p).toFixed(2);
y/z9Ce*> }
ZBPd(;"x+ </script>
Fka1]|j9 0kkRK*fp}x 4fZY8 "0!~g/X`rK L00Sp#$\ 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
;O Q#@|D page_load
N'htcC page.smartNavigation=true
D1oaG0 Iv Y,9D 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
5`(((_Um+ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
M-{b {
>fW+AEt\JB for(int i=0;i<e.Item.Cells.Count-1;i++)
lp IteZw: if(e.Item.ItemType==ListItemType.EditType)
f+Pg1Q0zI {
+ 8MW$ m$ e.Item.Cells.Attributes.Add("Width", "80px")
VaOpO8y` }
:(5]Z^ }
}qG?Vmq*R[ AGw1Pl8]K 26.对话框
7}. #Z private static string ScriptBegin = "<script language=\"JavaScript\">";
53g8T+`\( private static string ScriptEnd = "</script>";
v!WU |=u )->-~E}p9 public static void ConfirmMessageBox(string PageTarget,string Content)
O|A~dj` {
)$2%&9b string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Z!q2F%02FO [Q2S3szbt6 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
$O;N/N:m !=8L.^5c Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
4d{"S02h ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
,mAB)at //Response.Write(strScript);
-o=P85V }
L%c]%3A *7:u-}c! 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
u|_ITwk >S?C {_g 1.1 取当前年月日时分秒
,kGw;8X currentTime=System.DateTime.Now;
6xDl=*&% .ruz l(6 1.2 取当前年
2n-Tpay0 int 年= DateTime.Now.Year;
lx A<iQia g:~?U*f- 1.3 取当前月
N\CEocU int 月= DateTime.Now.Month;
Lz#$_Am'H zm;*:]S 1.4 取当前日
+O.&64( int 日= DateTime.Now.Day;
h%CEb< q/ d5P 1.5 取当前时
^a:vJ)WB7 int 时= DateTime.Now.Hour;
T@d_t cpr{b8Xb8& 1.6 取当前分
q N[\J7Pz9 int 分= DateTime.Now.Minute;
E7Gi6w~\ ~u~[E 1.7 取当前秒
%%-U. int 秒= DateTime.Now.Second;
!~w6"%2+7 KL:6P-3 1.8 取当前毫秒
_x,-d|9bd int 毫秒= DateTime.Now.Millisecond;
}LHT#{+x AK*mcTr 28.自定义分页代码:
|)!k@?_ Z CQt1; 先定义变量 :
=yhn8t7@] public static int pageCount; //总页面数
Z)6nu) public static int curPageIndex=1; //当前页面
,XBV }y b*6c.o 下一页:
%x'bo>h@ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
!e#I4,f n {
QU,TAO DataGrid1.CurrentPageIndex += 1;
`1[Sv" curPageIndex+=1;
G\,A> mT/P }
"[".3V g.`t!6Hc bind(); // DataGrid1数据绑定函数
tmY-m,U wE8a4. 上一页:
_?(hWC"0 if(DataGrid1.CurrentPageIndex >0)
J.1ln
=Y {
wTMHoU*> DataGrid1.CurrentPageIndex += 1;
t\|K" curPageIndex-=1;
&"H<+>` }
yOn2}Z
Vf,~MG bind(); // DataGrid1数据绑定函数
8)q]^ EkB6- nz 直接页面跳转:
K^cWj_a" int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
ncw?; XB!`*vZ/< if(a<DataGrid1.PageCount)
He71h(BHm {
O.up%'%, this.DataGrid1.CurrentPageIndex=a;
sKG~<8M} }
T>uWf#&pjs (h@yA8>n bind();
J!K/7uS {, *Y 29.DataGrid使用:
"TH-A6v1 Eztz~oFo 添加删除确认:
GT\s!D;< private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#u2&8-Gh {
zs]/Y2 foreach(DataGridItem di in this.DataGrid1.Items)
Ag-?6v {
6<Pg>Bg if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
{@K2WB {
8|-mzb& ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
a_iQlsU }
uI-76 }
W!4V:(T }
\|>`z,; R#Nd|f< 样式交替:
m[Ac'la ListItemType itemType = e.Item.ItemType;
t>h
i$NX{p 7pI\`*7b if (itemType == ListItemType.Item )
WoWM {
d_7Xlp@ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
qpwh #^2 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
I&NpN~AU }
c'Tu,- else if( itemType == ListItemType.AlternatingItem)
_kY[8e5 {
,vdP
#: e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
<%#y^_ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Qx,$)|_ }
\NQ)Po@z $\@ V4 添加一个编号列:
ZM^;%( DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
1 l*(8!_ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
n
ua8y(W ;@Hi*d[ for(int i=0;i<dt.Rows.Count;i++)
<C96]}/ ? {
F#bo4'&>@ dt.Rows["number"]=(i+1).ToString();
= SJF\Z }
Y&