1. 打开新的窗口并传送参数:
XG@_Lcv* 2BS2$#c> 传送参数:
|F-_YR response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
[a53H$`\5 ZtlF]k:MV 接收参数:
67+ K
?!, string a = Request.QueryString("id");
gs_"H string b = Request.QueryString("id1");
Os?G_ziIB 2/PaXI/Z 2.为按钮添加对话框
~j^HDHY@ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
T|GRkxd,E3 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
[( BA:x1 X4!`
V? 3.删除表格选定记录
F6dm_Oq& int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
8iB1a6TlL string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
_:x/\8P 8E H#IiP 4.删除表格记录警告
sycN private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
u3R0_8
_.w {
"pa5+N&2- switch(e.Item.ItemType)
Vz1ro {
lj/?P9 case ListItemType.Item :
i*:lZ eU61 case ListItemType.AlternatingItem :
v}Gq.(b case ListItemType.EditItem:
j/TsHJ= TableCell myTableCell;
>k<.bEx(A myTableCell = e.Item.Cells[14];
hzg&OW=: LinkButton myDeleteButton ;
FTI[YR8?Y myDeleteButton = (LinkButton)myTableCell.Controls[0];
5JK{dis]k myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
b7E= u0 break;
Bcg\p} default:
'!]ry< break;
oL1m<cQo9 }
eh2 w7@7Q ,DqI> vx| }
n,hHh=.Fu {xi$'r 5.点击表格行链接另一页
pa N )t private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1Cki}$k@ {
]sE~gro //点击表格打开
(NyS2` if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
,
?WTX e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
1@"eeR }
J
[J, @QV|<NeH 双击表格连接到另一页
:/c=."z. Ytm t+9 在itemDataBind事件中
o/@.*Rj>Bg if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
'b]GcAL {
'*MNRduE6 string OrderItemID =e.item.cells[1].Text;
]hpocr ...
3kx/Q# e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
i=OPl }
|!euty :: wQgW9546 双击表格打开新一页
<%#M&9d)E if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
F-k3'eyY {
P6&@fwJ< string OrderItemID =e.item.cells[1].Text;
zGHP{a1O7 ...
j!B+Q e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Bf~ }
U=\ZeYK. |GM?4'2M. ★特别注意:【?id=】 处不能为 【?id =】
G&)A7WaC 6.表格超连接列传递参数
H{
p <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
;|
##~Y.9 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
/)ps_gM biKom|<nm 7.表格点击改变颜色
9F845M if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
m{9m.~d {
a FjcyD e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Ki(qA(r this.style.color=’buttontext’;this.style.cursor=’default’;");
d@#!,P5` }
bccJVwXv \-a^8{.^E 写在DataGrid的_ItemDataBound里
-"YQo if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|'9%vtbM {
"toyfZq@ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Q#Q]xJH this.style.color=’buttontext’;this.style.cursor=’default’;");
/5 B{szf e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
>p [|U`>{ }
8VQJUwf; Gu}|CFL\ /.9j$iK# 8.关于日期格式
;)s$Et% wkOo8@J\ 日期格式设定
6+u}'mSj8 DataFormatString="{0:yyyy-MM-dd}"
lM`M70~ ,#hS#?t 我觉得应该在itembound事件中
ZgQ4~s e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
+kP)T(6 #|k;nFJ 9.获取错误信息并到指定页面
qL.1N~$2 VC5LxA0{ 不要使用Response.Redirect,而应该使用Server.Transfer
j9)P3=s NNLZ38BV7 e.g
:0|]cHm // in global.asax
3`uv/O2~i protected void Application_Error(Object sender, EventArgs e) {
secD
`] if (Server.GetLastError() is HttpUnhandledException)
_TfG-Ae Server.Transfer("MyErrorPage.aspx");
|=L~>G ^2%_AP0= //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
2a8ZU{wjn }
vh 5`R/<3 f2ygN6(> Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
6SI`c+'@5 {XH!`\ 10.清空Cookie
va F^[/
(g Cookie.Expires=[DateTime];
=Ryh@X& Response.Cookies("UserName").Expires = 0
M]4qS('[ ,r~pf(nz 11.自定义异常处理
teH.e!S //自定义异常处理类
4Xi
_[
Xf using System;
S+Z_Qf using System.Diagnostics;
GEj/Z};;[b \ofWD{*j namespace MyAppException
1;?n]L`T {
JX8Hn | /// <summary>
*z
I@Htp /// 从系统异常类ApplicationException继承的应用程序异常处理类。
KI)jP(( /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Oya:{d&= /// </summary>
oE\Cwd public class AppException:System.ApplicationException
R#gt~]x6k {
nt.A X public AppException()
&?UIe] {
-x)Oo` if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
AdB B#zd }
12qX[39/ lx_jy>$}r public AppException(string message)
{`?C5<r {
*'4+kj7> LogEvent(message);
%EkV-%o* }
pxP,cS ]D_"tQ?i public AppException(string message,Exception innerException)
qn)
VKx= {
|s[kY LogEvent(message);
(3a]#`Q if (innerException != null)
OXcQMVa
6 {
Dx`-Kg_p LogEvent(innerException.Message);
8g0By;h; }
g}
\$9 }
.<&o, D =j#1HI=Fe //日志记录类
[&12`!;j using System;
l2H-E&'= using System.Configuration;
JrlDTNJj' using System.Diagnostics;
4M4Y2fBH using System.IO;
DP{kin"4I using System.Text;
+g/TDwyVH using System.Threading;
JLgk? !SRElb A;i namespace MyEventLog
)y>o;^5' {
xPMTmx?2 /// <summary>
v0uDL7 /// 事件日志记录类,提供事件日志记录支持
-OV:y],- /// <remarks>
6[3oOO:uo /// 定义了4个日志记录方法 (error, warning, info, trace)
\yt-_W=[ /// </remarks>
Sl,X*[HGd /// </summary>
(ndXz public class ApplicationLog
u'Ja9m1 {
3ht>eaHi /// <summary>
n^vL9n_N /// 将错误信息记录到Win2000/NT事件日志中
S:!gj2q9| /// <param name="message">需要记录的文本信息</param>
c#o(y6 /// </summary>
%c+`8 wj public static void WriteError(String message)
#9{N[t {
NqyKR&; WriteLog(TraceLevel.Error, message);
[R
V_{F:' }
,36AR|IO) |,!]]YO.V /// <summary>
tF lLKziU /// 将警告信息记录到Win2000/NT事件日志中
Ja1[vO"YgP /// <param name="message">需要记录的文本信息</param>
@c3GJ'"X /// </summary>
Rdb[{Ruxb public static void WriteWarning(String message)
@o4+MQFn {
n-ZOe]3 WriteLog(TraceLevel.Warning, message);
uu0"k<Tp }
0zJT_H+ udw>{3> /// <summary>
:
L}Fm2^ /// 将提示信息记录到Win2000/NT事件日志中
`| nC r /// <param name="message">需要记录的文本信息</param>
f3 _-{<FZ /// </summary>
[I6(;lq2 public static void WriteInfo(String message)
~)J]`el,Q {
R(YhVW_l WriteLog(TraceLevel.Info, message);
":=\ci]e% }
RNa59b /// <summary>
hF m_`J&" /// 将跟踪信息记录到Win2000/NT事件日志中
GD*rTtDWn /// <param name="message">需要记录的文本信息</param>
]M^k~Xa /// </summary>
i/Zv@GF public static void WriteTrace(String message)
vbFi#|EU {
yC%zX}5 WriteLog(TraceLevel.Verbose, message);
\tv^],^` }
tc-pVw:TV t<8vgdD /// <summary>
Oz8"s4Y7 /// 格式化记录到事件日志的文本信息格式
Z8vMVo /// <param name="ex">需要格式化的异常对象</param>
Ug :3)q[O /// <param name="catchInfo">异常信息标题字符串.</param>
_FpZc?= /// <retvalue>
8+}yf.` /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
RbOEXH*] /// </retvalue>
<4lR /// </summary>
B=<>OYH public static String FormatException(Exception ex, String catchInfo)
y$i^C: N {
=*paa StringBuilder strBuilder = new StringBuilder();
WY>r9+A?W if (catchInfo != String.Empty)
q,Oj {
7TDt2:;] strBuilder.Append(catchInfo).Append("\r\n");
R'Gka1v }
,<Ag&*YE4 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
F7f psAt7 return strBuilder.ToString();
%E<.\\^% }
U%.%:'eV= oe (})M /// <summary>
4KbOyTQ /// 实际事件日志写入方法
6_UCRo5h% /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
@*Y"[\ "$ /// <param name="messageText">要记录的文本.</param>
7(8i~} /// </summary>
:? uUh private static void WriteLog(TraceLevel level, String messageText)
[N@t/^gRC {
tW^oa try
gu1:%raXd {
WFr;z* EventLogEntryType LogEntryType;
F!k3/z switch (level)
qS8p )pw {
c:*[HO\ case TraceLevel.Error:
[ADSGnw LogEntryType = EventLogEntryType.Error;
9_=0:GHk break;
aNt+;M7g` case TraceLevel.Warning:
4*`AYx( LogEntryType = EventLogEntryType.Warning;
cj[a^ ZH break;
EN,PI~~F case TraceLevel.Info:
c >O>|*I LogEntryType = EventLogEntryType.Information;
kdgU1T@y. break;
0f_+h %%= case TraceLevel.Verbose:
5{z muv: LogEntryType = EventLogEntryType.SuccessAudit;
\C{Dui)F break;
7dm:L'0 default:
H[WsHq;T+9 LogEntryType = EventLogEntryType.SuccessAudit;
Uzi.CYVs% break;
ol[sX=5 * }
|2L|Zp& o"kVA;5<G EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
`j#zwgUs //写入事件日志
:D|5E>o( eventLog.WriteEntry(messageText, LogEntryType);
W?>C$_p C [TW?sW^0 }
v[7iWBqJ catch {} //忽略任何异常
s'7PHP)LOJ }
xM+_rU
M|h } //class ApplicationLog
h0cdRi }
LL0Y$pHV K'6NW:zp~ 12.Panel 横向滚动,纵向自动扩展
OfE>8*RI4 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Hto RN^9 bHKTCPf 13.回车转换成Tab
~vb yX <script language="javascript" for="document" event="onkeydown">
9 HiH6f^5 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
3BZa}Q_ event.keyCode=9;
7I $~E </script>
'!hA!eo>J 21T#NYfew onkeydown="if(event.keyCode==13) event.keyCode=9"
icrcP ~$A aAbK{=/y_! 14.DataGrid超级连接列
_\2Ae\&c DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
}OsAO O|} p=ny 15.DataGrid行随鼠标变色
IgmCZ?l&0 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|&oTxx$S {
M1mx {<]A if (e.Item.ItemType!=ListItemType.Header)
{py"Ob_ {
sBq-"YcjR e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
v 1.8]||^ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
/g`!Zn8a }
& FpoMW }
/Kd9UQU i8h^~d2" 16.模板列
[yhK4A <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
mEZHrr J <ITEMTEMPLATE>
Ueb&<tS <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
m ?e::W </ITEMTEMPLATE>
C>:,\=y% </ASP:TEMPLATECOLUMN>
tH)fu%:p <G_71J`MLC <ASP:TEMPLATECOLUMN headertext="选中">
zk;'`@7 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
5Ic'6AIz <ITEMTEMPLATE>
@ *<`*W <ASP:CHECKBOX id="chkExport" runat="server" />
'PqKb%B| </ITEMTEMPLATE>
~Fe$/*v <EDITITEMTEMPLATE>
gTQc=,3l3 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
^$AJV%3wI </EDITITEMTEMPLATE>
KY'x;\0
g </ASP:TEMPLATECOLUMN>
&v/>P1Z
G KU=+ 1,Jf 后台代码
9_b_O T protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
BO,xA -+ {
Be~'@ //改变列的选定,实现全选或全不选。
5-RA<d# CheckBox chkExport ;
%HD0N& if( CheckAll.Checked)
W]oILL"d {
8+,I(+
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
47=YP0r?>T {
Qx_]oz]NY chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
}Pm;xHnf& chkExport.Checked = true;
S8,e`F }
]@6L,+W" }
_u9bZ' else
}rQ0*h {
JKF/z@Vbe\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
pt%*Y.)az {
!"LFeqI$lr chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
0O!A8FA0 chkExport.Checked = false;
|4j'KM;U }
| Kq<}R }
]Om;bmwt }
DP.Y<V)B ^
A J_
17.数字格式化
ILIv43QKM( A
D%9;KQ8 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
vhGX& <%#Container.DataItem("price","{0:¥#,##0.00}")%>
xqpq|U z^o7&\: int i=123456;
tPb<*{eG string s=i.ToString("###,###.00");
%w;wQ_ j%)@f0Ng 18.日期格式化
iLO,XW?d
v o&)v{q 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
'[vCC' jpkKdQX) 显示为: 2004-8-11 19:44:28
jSQM3+`b GQ 0(lS 我只想要:2004-8-11 】
T`2a) <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
v@,`(\Ca' 8K9RA< 应该如何改?
Ww0dU _ =>-W!Of 【格式化日期】
}p>l,HD s[;1?+EI 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
"9IR| X2mZ~RB(p 【日期的验证表达式】
pD]2.O q\/xx`L A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
AHzm9U @ ^((\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})))?$
zgl$ n $wcTUl B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
;o?o92d ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
ui80}% JYnyo$m/ 【大小写转换】
wAo6:) HttpUtility.HtmlEncode(string);
qGi\*sc>x HttpUtility.HtmlDecode(string)
F8xu&Vk0: e8&7W3 m 19.如何设定全局变量
i(YR-vYK : cPV08i Global.asax中
fS3% XCT3:db Application_Start()事件中
%3yrX>Js ~xJ^YkyH 添加Application[属性名] = xxx;
blUS6"kV} 3uL$+F 就是你的全局变量
5&_R+g "iJAM`Hi 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
$S^rKp# LhSXz>AX HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
c~= {A D7Y?$=0ycb 【ASPNETMENU】点击菜单项弹出新窗口
k- exqM2x= c_ u7O
\ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
=N2@H5+7 <?xml version="1.0" encoding="GB2312"?>
qE.3:bQ!` <MenuData ImagesBaseURL="images/">
cR/e
Zfl <MenuGroup>
Gh}* <X;N <MenuItem Label="内参信息" URL="Infomation.aspx" >
hyY^$p+ <MenuGroup ID="BBC">
zVis"g` <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
P]7s1kgaS <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
ZU`HaL$ ......
I7C+XUQkQ 9hgIQl 最好将你的aspnetmenu升级到1.2版
1[-RIN;U8 rIX 40,` 21.读取DataGrid控件TextBox值
!Pu7%nV. foreach(DataGrid dgi in yourDataGrid.Items)
\==Mgy2J8 {
X;v{,P=J TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
4M;S&LA tb.Text....
Pr,C)uch }
X7SSTcA 88}0 4 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?
2<*Yq8 mhF@S@ 〖思归〗
y2PxC. - <asp:TemplateColumn HeaderText="数量">
&zPM#Q <ItemTemplate>
u1|v3/Q- <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
qc3?Aplj onkeyup="javascript:DoCal()"
W+.?J
60 />
^y~oXS( a?)g>e
HN <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
kdMB.~(K= </ItemTemplate>
{"0n^! </asp:TemplateColumn>
!v*#E{r"g= [-\DC*6 <asp:TemplateColumn HeaderText="单价">
UJ`%uLR~ <ItemTemplate>
sA
}X)aP <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Cyud)BZvm onkeyup="javascript:DoCal()"
G
}M! />
\rCdsN 2H n&8N`!^o <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
S;BMM8U p+2uK|T9 </ItemTemplate>
Y'y$k </asp:TemplateColumn>
@"^(} 6 ,88%eX| <asp:TemplateColumn HeaderText="金额">
8g/r8u~ <ItemTemplate>
R!WeSgKCs <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
cSj(u%9} </ItemTemplate>
SNV;s, </asp:TemplateColumn><script language="javascript">
">s0B5F7 function DoCal()
kEg~yN {
:0Fwaw9PH" var e = event.srcElement;
R~bLEo var row = e.parentNode.parentNode;
eh*F/Gu var txts = row.all.tags("INPUT");
^fM=|.? if (!txts.length || txts.length < 3)
5d|+ c< return;
"H{#ib_c_ N]|U-fN\ var q = txts[txts.length-3].value;
$-)y59w" var p = txts[txts.length-2].value;
qt%/0 [{J1b if (isNaN(q) || isNaN(p))
UL" <V return;
T{T> S%17~ 1'5!")r q = parseInt(q);
* =O@D2g0 p = parseFloat(p);
+7K]5p;!~ l_x>.' a txts[txts.length-1].value = (q * p).toFixed(2);
h#8{fr)6 }
hy:K) _
</script>
bre6SP@ :Czvwp{z VE/~tT; 1xwq:vFC. *OZO} i 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。
\g|;7&%l3 page_load
F#{PJ# page.smartNavigation=true
a[gN+DX%L wD[qE 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 ?
hpticW| private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
>2)!w {
zyI4E\ for(int i=0;i<e.Item.Cells.Count-1;i++)
& l~=c2 if(e.Item.ItemType==ListItemType.EditType)
=`%%* {
{XYf"ONi e.Item.Cells.Attributes.Add("Width", "80px")
$Vm J[EF1 }
3K_!:[ }
J~G"D-l<9/ QLTE`t5w3' 26.对话框
g? \pH:|79 private static string ScriptBegin = "<script language=\"JavaScript\">";
{c$%3iQq private static string ScriptEnd = "</script>";
B Zw#ACU _d<\@Tkw public static void ConfirmMessageBox(string PageTarget,string Content)
#60<$HO:Z {
4>@-1nt} string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
KL*UU,qU ,<-a 6 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
&nZ.$UK< j8p'B-yS Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
?r~](l ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
]9pcDZB //Response.Write(strScript);
0 .p $q }
; d
> kC[nY 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
|zL .PS 6_a.`ehtj< 1.1 取当前年月日时分秒
5(OF~mX# currentTime=System.DateTime.Now;
~
.Eln+N |m7`:~ow 1.2 取当前年
:hxZ2O?5_ int 年= DateTime.Now.Year;
@)8C }~5xlg$B<< 1.3 取当前月
K#{E87G( int 月= DateTime.Now.Month;
]H<C Rw 1')/ BM2 1.4 取当前日
s/'gl int 日= DateTime.Now.Day;
_'oy
C(:} <`m.Vbvm" 1.5 取当前时
dUJNr_ int 时= DateTime.Now.Hour;
g@"6QAP h Tn^:%( 1.6 取当前分
)O%lh
8fI int 分= DateTime.Now.Minute;
9uREbip -nT+!3A8 1.7 取当前秒
3/@'tLtN int 秒= DateTime.Now.Second;
)u&_}6z I@q>ES!1H 1.8 取当前毫秒
g^En6n) int 毫秒= DateTime.Now.Millisecond;
aa1XY&G"! ;7<a0HZ5! 28.自定义分页代码:
j|(bDa4\ i]LK,' 先定义变量 :
\9k{"4jX\ public static int pageCount; //总页面数
Xl*-A|:j public static int curPageIndex=1; //当前页面
ig/716r| Gb\7W 下一页:
|@-WC. if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
o6KBJx {
jIc;jjAF DataGrid1.CurrentPageIndex += 1;
zFuUv_t curPageIndex+=1;
[%nG_np }
z(orA} [ (*fsv
g~ bind(); // DataGrid1数据绑定函数
Nmsb aLXA9? 上一页:
e@,,;YO#4 if(DataGrid1.CurrentPageIndex >0)
|:r/K {
|I+E`,n"b DataGrid1.CurrentPageIndex += 1;
y!!+IeReS curPageIndex-=1;
PvT8XSlTx! }
D&9j$#9Rh *Ucyxpu~$ bind(); // DataGrid1数据绑定函数
$'FPst8Q< :g9z^ $g 直接页面跳转:
JkxS1 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
FvI`S> rrwsj` if(a<DataGrid1.PageCount)
TcfBfscU {
Jp-ae0 Ewa this.DataGrid1.CurrentPageIndex=a;
X)f"`$ }
kdYl>M #1bgV bind();
g&E_|}u4 '/
&" 29.DataGrid使用:
:M[E-j; 0RSa{iS*A 添加删除确认:
A^p $~e\) private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
QT&{M
#Ydn {
#=.h:_9 foreach(DataGridItem di in this.DataGrid1.Items)
5PL,~Y {
VDmd+bvJV if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
t+(CAP|, {
I3x}F$^ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
%<muVRkB\ }
GyPN)!X@.& }
:A{-^qd( }
,6buo~?W: gq@."wHU 样式交替:
N8{>M, ListItemType itemType = e.Item.ItemType;
_5LlL#) F_Pd\Aq8 if (itemType == ListItemType.Item )
t@HE.h {
anwn!Eqk" e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
7z,M`14 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
hW+Dko(s }
Mk9kGP% else if( itemType == ListItemType.AlternatingItem)
x/S% NySG {
tQ}gBE63 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
z*[Z: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
j{Fo 6## }
4#YklVm si;]C~X* 添加一个编号列:
d?P
aZz{4 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
0Yjy DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
&4[iC/} 5nn*)vK { for(int i=0;i<dt.Rows.Count;i++)
Bm7GU`j" {
-?'CUm*Od dt.Rows["number"]=(i+1).ToString();
4yM8W\je }
UiEB?X]-l' _#F'rl6' DataGrid1.DataSource=dt;
uR%H"f DataGrid1.DataBind();
qpeK><o *3K"Kc2 DataGrid1中添加一个CheckBox,页面中添加一个全选框
#?=cg]v_ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
^>p [b {
]x G4T>S foreach(DataGridItem thisitem in DataGrid1.Items)
)-{Qa\6(% {
u~kwNN9t3 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
p{J_d,JH }
]
6gu }
rh_({rvQ S_CtEM 将当前页面中DataGrid1显示的数据全部删除
vSA%A47G foreach(DataGridItem thisitem in DataGrid1.Items)
8#Z5-",iw {
HKkf+)%)x if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
VfwD{+5 {
M5V1j(URE string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
lBdF9F< Del (strloginid); //删除函数
z&0V21"l }
f.$o|R=v }
z)~!G~J] +;Gl>$ 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
~e+w@ lK Q=8
cBRe 在Application_Start中添加以下代码:
u3:Q t2^S Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
,')bO*Ng AppSettings["ConnStr"].ToString();
-!cAr
< b9N4Gr 31. 变量.ToString()
o%%fO ^!qmlx* 字符型转换 转为字符串
TH!8G,(w 12345.ToString("n"); //生成 12,345.00
pQ Y> 12345.ToString("C"); //生成 ¥12,345.00
Q2NnpsA^6 12345.ToString("e"); //生成 1.234500e+004
's?F ip 12345.ToString("f4"); //生成 12345.0000
`RcNqPY#S 12345.ToString("x"); //生成 3039 (16进制)
RX1{?*r]Z 12345.ToString("p"); //生成 1,234,500.00%
4g9b[y~U \ c&)8.r 32、变量.Substring(参数1,参数2);
<yPHdbF ,9qB}HG 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
eeZysCy+DY N0[I2'^. 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Ol9fwd <SCRIPT language="javascript">
36a~! <!--
^^SfIK?p function gook(pws)
7nz+n# {
{ NJ>[mKg frm.submit();
9VE;I:NO3 }
8!GLw-kb //-->
Ekme62Q>u J\'5CG </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
77d`N <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
\ZRoTh <tr>
fNPj8\#V, <td>
EiN)TB^] <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
F^z8+W <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
it@} dZ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
eF^"{a3b 0s""%MhFI <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
';,Bn9rv <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
{7>CA'> "D(8]EG= </td>
-3tBN*0+ QCfpDE} </tr>
`;CU[Ps?] 7$W;4!BN* </form>
.p(l+ \_AEuz3
F 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
&AcFa<U u^zitW!X$ 下面是获取用户输入的登陆信息的代码:
<]^;/2.B string name;
:V~*vLvR name=Request.QueryString["EmailName"];
c dbSv=r dMmka try
-QPWi2:k {
N"RYM~c7 int a=name.IndexOf("@",0,name.Length);
K]!u@I* K" f_user.Value=name.Substring(0,a);
'Q>z** f_domain.Value=name.Substring(a+1,name.Length-(a+1));
psX%.95Y f_pass.Value=Request.QueryString["Psw"];
aiZo{j<6 }
0"psKf' 4F,Ql"ae( catch
1`]IU_) 1B {
<-:@} |br Script.Alert("错误的邮箱!");
7EP|X. Server.Transfer("index.aspx");
]esLAo }