1. 打开新的窗口并传送参数:
3ZNm ,{ P;R`22\3 传送参数:
zUg-M response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
-)%l{@Mr qaK9E@l 接收参数:
BU|=`Kb|)) string a = Request.QueryString("id");
?#|Y'%a" string b = Request.QueryString("id1");
(<f`},
QxD J!sIxwF 2.为按钮添加对话框
<u\j4<p Button1.Attributes.Add("onclick","return confirm(’确认?’)");
BbA7X button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
B4k~~ ;| `9;:mR $ 3.删除表格选定记录
^6=y4t=%F int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
1`1U'ibhe string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
H.sHXuu JTuU}nm+ 4.删除表格记录警告
{"<D$*K~ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
vu^ '+ky {
9pN},F91n: switch(e.Item.ItemType)
`]L&2RS {
69)- )en case ListItemType.Item :
)l}Gwd]h case ListItemType.AlternatingItem :
8^26g3 case ListItemType.EditItem:
7MXi_V;p< TableCell myTableCell;
eR,ePyA; myTableCell = e.Item.Cells[14];
5[Sa7Mk LinkButton myDeleteButton ;
}?zy*yL myDeleteButton = (LinkButton)myTableCell.Controls[0];
0Da9,&D myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
}^).Y7{g[ break;
-LAYj:4 default:
XW]'by break;
$RxS<_tj }
m[~fT(NI =aM(r6 C }
~>:uMXyV2t QKW;r 5.点击表格行链接另一页
3z$9jN/<u private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"M.\Z9BCt {
'l,ym~R //点击表格打开
B5'-v%YO+ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
v8Ga@* e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
,tt]C~\u }
jqULg iC V=%j]`Os 双击表格连接到另一页
n&V \s0 L+s3@C;b 在itemDataBind事件中
&s.S)'l4l if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
NRU&GCVwu
{
|tl4I2AV string OrderItemID =e.item.cells[1].Text;
cE3g7(a ...
*3;H6 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
9os>k* }
!]1'?8 9$)I=Rpk= 双击表格打开新一页
:\I88
-N@' if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
d~NvS-u7 {
@edx]H1~^ string OrderItemID =e.item.cells[1].Text;
k/MrNiC ...
=+{SZh@ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
X6lkz*M. }
(* WO<V ~ ;CnwG
★特别注意:【?id=】 处不能为 【?id =】
B(+J?0Dj 6.表格超连接列传递参数
N"A863> <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
0Z. bd=H <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
X?PcEAi;w +6dq+8msF 7.表格点击改变颜色
y8jwfO3 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0q6$KP}q {
a o"\L0;{ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
UVND1XV^f this.style.color=’buttontext’;this.style.cursor=’default’;");
Yyl(<,Yi }
x+niY;Z E y7a84)j3 写在DataGrid的_ItemDataBound里
HV_5
+ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
QahM)Gb {
[T|_J$
; e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
RM/q\100 this.style.color=’buttontext’;this.style.cursor=’default’;");
AUZ^XiK e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
~.-o* }
@)"= b!q= vwA d6Tm TGUlJLT 8.关于日期格式
S6~&g|T, CKoRq|QG_ 日期格式设定
L[M`LZpJo DataFormatString="{0:yyyy-MM-dd}"
Rd|#-7 KmUH([# 我觉得应该在itembound事件中
2y"]rUS` e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
;8!L*uMI (yh zjN~ 9.获取错误信息并到指定页面
g9N_s,3jC oT=XCa5 不要使用Response.Redirect,而应该使用Server.Transfer
EZICH&_ kkA5pbS e.g
}:6$5/? // in global.asax
Q]n a_'_ protected void Application_Error(Object sender, EventArgs e) {
;"gUrcuY if (Server.GetLastError() is HttpUnhandledException)
/)Ga< Server.Transfer("MyErrorPage.aspx");
pAZD>15l" M$@Donx //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
o*\Fj}l- }
QzV
Q} VV'K$v3'N8 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
x=Ef0v ?g7O([*[ 10.清空Cookie
ZT;8Wvo Cookie.Expires=[DateTime];
6S`J7[ Response.Cookies("UserName").Expires = 0
~hx__^]d mpcO-%a 11.自定义异常处理
g!<=NVhYt //自定义异常处理类
;:2:f1_ using System;
@nPXu2c?u7 using System.Diagnostics;
1$A7BP V~tZNRJ- namespace MyAppException
}{3XbvC {
yu^n;gWH /// <summary>
/b
]Yya# /// 从系统异常类ApplicationException继承的应用程序异常处理类。
fWutB5?P /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Imv]V6"D= /// </summary>
;";#{B: public class AppException:System.ApplicationException
p bRU" {
-c_}^j public AppException()
N,oN3mFF {
"}91wfG9 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
/8$*{ay }
Y1=.46Ezf .+.BNS public AppException(string message)
zJxO\ {
VH>?%aL LogEvent(message);
M2{AaYgD }
MPS{MGVjbJ pz
uR H1[ public AppException(string message,Exception innerException)
O /S: S {
q3SYlL'a LogEvent(message);
xllk hD4F if (innerException != null)
/a'cP {
_,G^#$pH LogEvent(innerException.Message);
7UV hyrl }
Pl9Ky(Q`V }
IegZ)&_n ,xhB //日志记录类
SniKCqmC] using System;
Bkq3-rX\ using System.Configuration;
){_D using System.Diagnostics;
[0lu&ak[& using System.IO;
O]/BNacS using System.Text;
Y+[Z,
using System.Threading;
0}:wM':G 8*-N@j8 namespace MyEventLog
Gs0x;91 {
mqIcc'6f /// <summary>
eHt |O~ /// 事件日志记录类,提供事件日志记录支持
4!3mS WNV /// <remarks>
Y*KHr`\C4 /// 定义了4个日志记录方法 (error, warning, info, trace)
`g~T #U\>d /// </remarks>
^#Ruw?D /// </summary>
7[)IP:I> public class ApplicationLog
/Mg$t6vM {
~%8T_R /3 /// <summary>
O6gl[a ZN /// 将错误信息记录到Win2000/NT事件日志中
{okx*]PIc /// <param name="message">需要记录的文本信息</param>
K:osfd /// </summary>
X`n)]~ public static void WriteError(String message)
uq~Z {
^@"EI|fsP WriteLog(TraceLevel.Error, message);
NukcBH }
O8 \dMb
5ml#/kE /// <summary>
n*Q~<`T /// 将警告信息记录到Win2000/NT事件日志中
!T<4em8 /// <param name="message">需要记录的文本信息</param>
cKb jW /// </summary>
v *pN~}5 public static void WriteWarning(String message)
aT[qJbp1 {
v*&WxP^Gm WriteLog(TraceLevel.Warning, message);
ZYi."^l }
M$O*@]) >3v
j<v}m /// <summary>
L93PDp4v /// 将提示信息记录到Win2000/NT事件日志中
ks}J
ke> /// <param name="message">需要记录的文本信息</param>
ecZT|X4u /// </summary>
qVvQ9? public static void WriteInfo(String message)
N3Yf3rK {
p,)~w1| WriteLog(TraceLevel.Info, message);
D #`o }
Bc^%1 /// <summary>
l[_y|W5 /// 将跟踪信息记录到Win2000/NT事件日志中
7jZE(|G- /// <param name="message">需要记录的文本信息</param>
h}T+M BA% /// </summary>
&"h 9Awn2 public static void WriteTrace(String message)
9HtzBS {
8c6dTT4 WriteLog(TraceLevel.Verbose, message);
9}=]oX!+V }
ixf~3Y8 uaX#nn?ws /// <summary>
;aY.CgX /// 格式化记录到事件日志的文本信息格式
8n[6BF); /// <param name="ex">需要格式化的异常对象</param>
vjzpU(Sq# /// <param name="catchInfo">异常信息标题字符串.</param>
TN+iv8sT /// <retvalue>
h8ikM&fl /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
b,k%n_&n /// </retvalue>
;?*`WB /// </summary>
C,;hNg[ public static String FormatException(Exception ex, String catchInfo)
~)ecQ {
g}vOp3^ StringBuilder strBuilder = new StringBuilder();
h0=Q .Yz6 if (catchInfo != String.Empty)
v4pFts$J {
<#[_S$54 strBuilder.Append(catchInfo).Append("\r\n");
6c?;-5. }
U:a-Wi+ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
5*q!:$
W return strBuilder.ToString();
_>6xUt }
,D6hJ_: :skNEY]. /// <summary>
V[w Y;wj /// 实际事件日志写入方法
%y{f]m /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
':mw(` /// <param name="messageText">要记录的文本.</param>
T~238C{vh /// </summary>
o9j*Yz private static void WriteLog(TraceLevel level, String messageText)
[\Ks+S {
&yQilyU{V try
o:p6[SGd {
{N \ri{| EventLogEntryType LogEntryType;
9(\eL9^ switch (level)
yX {CV7%O {
WeqE9@V case TraceLevel.Error:
=u*\P!$ LogEntryType = EventLogEntryType.Error;
|>Q]q break;
,vxxp]#5 case TraceLevel.Warning:
[YGPcGw LogEntryType = EventLogEntryType.Warning;
WT-BHB1 break;
)*b
dG'}
case TraceLevel.Info:
HP$GI LogEntryType = EventLogEntryType.Information;
FuWMVT`Y break;
yU e7o4Zm case TraceLevel.Verbose:
Rr9K1io$) LogEntryType = EventLogEntryType.SuccessAudit;
(.CEEWj%{ break;
86bRfW' default:
)@IDmz> LogEntryType = EventLogEntryType.SuccessAudit;
@y|ZXPC# break;
X\z`S##kj }
AM[#AZv MR) *Xh EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
?$ft3p} //写入事件日志
\~LwlO o%R eventLog.WriteEntry(messageText, LogEntryType);
??'>kQ4 B"07:sO }
8|Q=9mmWOh catch {} //忽略任何异常
j56#KNAha }
:c*_W
/ } //class ApplicationLog
_F2R
x@Y }
U)f;*{U xg|\\i 12.Panel 横向滚动,纵向自动扩展
Y<x;-8)* <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
#><P28m ]uikE2nn 13.回车转换成Tab
jHU5>Gt-} <script language="javascript" for="document" event="onkeydown">
ja<!_^h=At if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
5i<E AKL event.keyCode=9;
p#]D-?CM) </script>
E`"<t:RzF c}QWa"\2n onkeydown="if(event.keyCode==13) event.keyCode=9"
lBYc(cr hS( )OY 14.DataGrid超级连接列
H}nPaw]G DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
4
8}\ H*gX90{!2 15.DataGrid行随鼠标变色
Z4"SKsJT/> private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
65 P*Gu? {
Ib~n}SA if (e.Item.ItemType!=ListItemType.Header)
*VbB'u: {
K5h2 ~ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
|4slG e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
LNA5!E }
_gLj(<^9 }
U= Gw(
MeP,8,n' 16.模板列
".Z1CBM( <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
VssD <ITEMTEMPLATE>
T[?toqkD>z <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
z-J?x-< </ITEMTEMPLATE>
e"){B </ASP:TEMPLATECOLUMN>
B@8M2Pl -MCDX^>P <ASP:TEMPLATECOLUMN headertext="选中">
dr54D <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
oB$P6 <ITEMTEMPLATE>
4@Q`8N. <ASP:CHECKBOX id="chkExport" runat="server" />
! U6 x_ </ITEMTEMPLATE>
Xcy Xju#"p <EDITITEMTEMPLATE>
c=^A3[AM <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
wa)E.(x </EDITITEMTEMPLATE>
[!<W{ ($5 </ASP:TEMPLATECOLUMN>
M9t`w-@_w ::lD7@Wg 后台代码
+(pFU\&U3H protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
LE'8R~4.< {
gf&\)" //改变列的选定,实现全选或全不选。
IwTAM9n CheckBox chkExport ;
" iz'x-wy if( CheckAll.Checked)
k)a3j{{ {
vg.K-"yQW foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
|e]2 >NjQa {
#77p>zhY chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
jQV.U~25Q chkExport.Checked = true;
5LkpfmR }
zFFip/z\ }
KeGGF]=> else
Os5Xejh`I {
kdam]L:9 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
L]syDn {
8F;r$i2 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
%xJ6t5.- chkExport.Checked = false;
gdx2&~ }
/}ADV2sF }
A_ftf7, }
k>'c4ay290 4D4Y.g_x 17.数字格式化
G]$.bq[v }(yX$ 3?` 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
d,"6s=4(q <%#Container.DataItem("price","{0:¥#,##0.00}")%>
ZJod=^T 4)DI0b" int i=123456;
88}=VS string s=i.ToString("###,###.00");
,P T5-9 m l>J>?b=x"[ 18.日期格式化
mj!P
] 9iwSE(}, 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
z5UY0>+VdS g?mfpw Zj 显示为: 2004-8-11 19:44:28
6]mFw{6qn1 `yvH0B - 我只想要:2004-8-11 】
x,+2k6Wn! <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
)M:pg% zDD1EycH 应该如何改?
F.DRGi.i }[2|86,G; 【格式化日期】
in[yrqFb7t x3QQ`w- 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
bo]= * "A>/m"c]* 【日期的验证表达式】
%"C%pA ;r1.Uz( A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
NmH:/xU?^ ^((\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})))?$
Z7Gl^4zn .Jvy0B} B B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
[3~mil3rO ^\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]))$
6%^9`|3 50?5xSEM0_ 【大小写转换】
Pi!3wy HttpUtility.HtmlEncode(string);
DEFh&n HttpUtility.HtmlDecode(string)
/+p]VHP\ m|%L[h1 19.如何设定全局变量
,Qw\w, SBbPO5^]( Global.asax中
RPh8n4&(" p?#%G`dm Application_Start()事件中
z^YL$ ,xzSFs>2 添加Application[属性名] = xxx;
@Q%g#N s7(I 就是你的全局变量
,RYahu Li{R?Osx 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
EXz{Pqz "+BNas^rF HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
YZHqy++x /yd<+on^ 【ASPNETMENU】点击菜单项弹出新窗口
B'U;i5u4' AgU 7U/yk 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
B|zVq=l~ <?xml version="1.0" encoding="GB2312"?>
qbunP! <MenuData ImagesBaseURL="images/">
C>0='@LB@r <MenuGroup>
"{X_[ <MenuItem Label="内参信息" URL="Infomation.aspx" >
d=$1Z.] <MenuGroup ID="BBC">
'y<<ce* <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
B+pJWl8u <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
Kd%>:E* ......
D,<#pNO_ .%3qzOrN 最好将你的aspnetmenu升级到1.2版
efnj5|JSV G#(+p|n 21.读取DataGrid控件TextBox值
!J%m 7A foreach(DataGrid dgi in yourDataGrid.Items)
)tB1jcI; {
f|cF[&wo TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
#ozQF~ tb.Text....
L(ni6- }
Q=!f, 2TZ+R7B? 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
-y1t;yU.L Z,ZebS@yG 〖思归〗
#2U4}#Mi <asp:TemplateColumn HeaderText="数量">
]di9dLT <ItemTemplate>
\~{b;$N} <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
EvJ"%:bp onkeyup="javascript:DoCal()"
Z7@~#)3 />
45DR%cz w*-1*XNA <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
\@eC^D2 </ItemTemplate>
o@! !I w </asp:TemplateColumn>
OM4q/!)A] HXg4
T <asp:TemplateColumn HeaderText="单价">
S$egsK"~ <ItemTemplate>
Ts~)0 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
tc%0yr9 onkeyup="javascript:DoCal()"
Zt7Gf />
|:{H4 F,l%SQCyj <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
ZR|cZH1}C =nTNL .SX </ItemTemplate>
rcyq+wY # </asp:TemplateColumn>
~H+W[r} ~
""?: <asp:TemplateColumn HeaderText="金额">
%w0Vf$ <ItemTemplate>
9"RGf 1] <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
?{bAyh/ </ItemTemplate>
Q x]zz4jD </asp:TemplateColumn><script language="javascript">
dreEe s`| function DoCal()
6?X)' {
i(l'f# var e = event.srcElement;
RgQ;fYS var row = e.parentNode.parentNode;
ktMUTL(B var txts = row.all.tags("INPUT");
4qc0QA% if (!txts.length || txts.length < 3)
3"pl="[* return;
TiF2c#Q*y ;&9A
Yh. var q = txts[txts.length-3].value;
*z{.9z` var p = txts[txts.length-2].value;
Nsd7?|@HI 5csqu^/y if (isNaN(q) || isNaN(p))
6'^Gh B return;
UVIR
P# B&Igm<72x q = parseInt(q);
O@gHx! L p = parseFloat(p);
\a|bx4M O(Tdn;1 txts[txts.length-1].value = (q * p).toFixed(2);
e[8AdE }
w'-J24>= </script>
EEJsNF J% t[{
, 7kS#`P \;%DDw UFED*al# 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。
t'F_1P^*/ page_load
)&$Zt( page.smartNavigation=true
"
~X;u8m vMQvq9T} 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
> 10pk private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
.vbUv3NI {
p7YfOUo
k for(int i=0;i<e.Item.Cells.Count-1;i++)
51\N+ if(e.Item.ItemType==ListItemType.EditType)
]("5O V5 {
wv ~?<DF e.Item.Cells.Attributes.Add("Width", "80px")
yye(^ }
)7j CEA03 }
M-B - Yiq8>| 26.对话框
o.Jq1$)~y private static string ScriptBegin = "<script language=\"JavaScript\">";
.LX8ko private static string ScriptEnd = "</script>";
yM8<)6= p^s k?E public static void ConfirmMessageBox(string PageTarget,string Content)
)L%i"=<Bdy {
&>Ko}?w string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
fy(i<L
Z nO d'$q ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
DsY$ #n[1%8l, Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Yp_R+a^ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
H(1(H0Kj" //Response.Write(strScript);
t[.wx.y&0 }
G}lP'9/ Ofyz,%
|Q 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
N`DLIv8i; eqL~h1^Co 1.1 取当前年月日时分秒
N9M''H*VS currentTime=System.DateTime.Now;
#0+`dI_5/ PUdJ>U 1.2 取当前年
NB z3j int 年= DateTime.Now.Year;
P0En&g+~ x*9CK8o= 1.3 取当前月
dX58nJ4u int 月= DateTime.Now.Month;
AxN.k ;I#S m; 1.4 取当前日
wK7wu. int 日= DateTime.Now.Day;
:jFKTG
!"dbK'jb^ 1.5 取当前时
SQZUkKfb int 时= DateTime.Now.Hour;
-%U 15W; % 1+\N 1.6 取当前分
iE|qU_2Y int 分= DateTime.Now.Minute;
S!<1CFh =.]>,N`C 1.7 取当前秒
ww]^H$In int 秒= DateTime.Now.Second;
G2nL#l~@) B~_='0Gm[ 1.8 取当前毫秒
;gh#8JkI int 毫秒= DateTime.Now.Millisecond;
=!G3YZ sh6F-g 28.自定义分页代码:
9P3jx)K
.3B3Z&vr 先定义变量 :
?Q`Sx public static int pageCount; //总页面数
4)BPrWea1 public static int curPageIndex=1; //当前页面
Y]5\%JR zKi5e+\ 下一页:
;9{x"" if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Kzs]+Cl {
x=>+.'K DataGrid1.CurrentPageIndex += 1;
">n38:?R curPageIndex+=1;
[U]ouh) }
nC3U%*l uh~/ybR bind(); // DataGrid1数据绑定函数
q>~\w1%}a\ }@*Me+ 上一页:
GnE%C2L- if(DataGrid1.CurrentPageIndex >0)
z|Hc=AU8y {
+P7A`{Ae DataGrid1.CurrentPageIndex += 1;
M1MpR+7S curPageIndex-=1;
5pBQ~m3 }
<(]e/} w>IYrSaa> bind(); // DataGrid1数据绑定函数
FT1h\K|a b[^=GF>e 直接页面跳转:
8QeM6;^/5 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
>@yHa'*9S 3&D;V;ON}_ if(a<DataGrid1.PageCount)
&=sVq^d@qe {
s<I[)FQVr this.DataGrid1.CurrentPageIndex=a;
XIu3n9g^# }
TU&t 1_6 [mSK!Y@u bind();
^KU:5Bn i>9/vwe 29.DataGrid使用:
CjzfU*G oRM,_ 添加删除确认:
fb5]eec private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7L[HtwI {
|S5N$[ foreach(DataGridItem di in this.DataGrid1.Items)
9})!~r;| {
41<.e`{ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
!@ml^&hP {
a2dlz@)J ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
SWjOJjn }
3U&QonCV }
PMJe6*(x/ }
kO:iA0KUX $X%GzrN 样式交替:
;SzOa7 ListItemType itemType = e.Item.ItemType;
n%w36_ V|> u, if (itemType == ListItemType.Item )
fCSM#3|,] {
*v'&i) J e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
/;M0tP e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
GNXQD}L?b? }
TxhTK5#f else if( itemType == ListItemType.AlternatingItem)
,w|f*L$ {
uc?QS~H&w e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
k;p:P ?s5Y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
=nEl m*E }
X[8m76/V E'=~<& 添加一个编号列:
@WX]K0$; DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
{m9OgR5U DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
&0O1tM*v 5Qp5JMK for(int i=0;i<dt.Rows.Count;i++)
B.&ly/d {
NIDK:qdR dt.Rows["number"]=(i+1).ToString();
Urhh)i }
=5E G}@ YMG{xGPtM DataGrid1.DataSource=dt;
/vFw5KUu DataGrid1.DataBind();
}XCHoB o/9(+AA> DataGrid1中添加一个CheckBox,页面中添加一个全选框
Hw34wQX private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Tx35~Z`0 {
\xk`o5/{ foreach(DataGridItem thisitem in DataGrid1.Items)
m,3?*0BMp= {
cpB$b C]( ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
M:c^[9)y }
WKZ9i2hcdf }
`LL#Ai a M_V\mYC8I 将当前页面中DataGrid1显示的数据全部删除
/<Cl\q2
A foreach(DataGridItem thisitem in DataGrid1.Items)
tFvti5 {
:8U=L'4 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
0-EhDGa]r {
|b'fp1<