1. 打开新的窗口并传送参数:
,7-@eZ 8 SFw| 传送参数:
BQ!v\1'C response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
P7np
-I* DdDwMq 接收参数:
@c,Qj$\1 string a = Request.QueryString("id");
&v9*D`7L string b = Request.QueryString("id1");
5q4sxY9T WX<),u2@ 2.为按钮添加对话框
:Rl*64}
Button1.Attributes.Add("onclick","return confirm(’确认?’)");
zt,pV\| button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
hDBVL" +PT/pybA 3.删除表格选定记录
6?8x[l*5M int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
fGGGz$;N string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
U0>Uqk", K;j}qJvsb 4.删除表格记录警告
-=5]B ; private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
1?+%*uoPX {
#fdQ\)#q> switch(e.Item.ItemType)
o^HzE;L} {
)vWI{Q]r case ListItemType.Item :
,xmL[Yk, case ListItemType.AlternatingItem :
6j
uNn} case ListItemType.EditItem:
H|@R+ TableCell myTableCell;
$}_a`~u myTableCell = e.Item.Cells[14];
vk;]9o j* LinkButton myDeleteButton ;
qcpAjjK myDeleteButton = (LinkButton)myTableCell.Controls[0];
a2Q_K2t myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
4FLL*LCNX break;
(NB\wJg
$ default:
G_OLUuK?C break;
mtfEK3?2* }
NABVU0}
nz-( 8{ae }
@ px4[ wX?<o 5.点击表格行链接另一页
&\K p_ AR private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3jx5Lou)& {
Z'/sZ3Q} //点击表格打开
RC{|:@]8 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y*K]z e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
hf#[Vns }
LYM(eK5V &.D#OnRh9 双击表格连接到另一页
XQW9/AzN f Km/#\$|} 在itemDataBind事件中
|, ws 3 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
yex4A)n9"' {
R8"qDj string OrderItemID =e.item.cells[1].Text;
H!6nIS9yxt ...
V'n4iM e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ZP*(ZU@j=Z }
PO1|l-v<Yq )o51QgPy 双击表格打开新一页
#21t8 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3/d`s0O {
N5]}m:"pk string OrderItemID =e.item.cells[1].Text;
'UW]~ ...
g+ZQ6Hz e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
4\Nt"#U)g }
h4N%(?7 Pgdv)i3 ★特别注意:【?id=】 处不能为 【?id =】
BZUA/;Hz & 6.表格超连接列传递参数
~r%>x <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
HzuB.B< <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
83~9Xb=!\ O\;R
( 7.表格点击改变颜色
.LQvjK[N if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
iRwlK5(& {
F@C^nX9 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
A]x'!qa@= this.style.color=’buttontext’;this.style.cursor=’default’;");
4|yZA*Q^ }
\7l%@ &uX|Ksq 写在DataGrid的_ItemDataBound里
cwK+{*ZH/ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
;`p!/9il {
%+Az
X e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
%BV2 q
this.style.color=’buttontext’;this.style.cursor=’default’;");
<Oyxzs
e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
:f9O3QA }
c+_F}2)
Adyv>T9 "~-Y'O 8.关于日期格式
O:^m#:[cE e1d);m$ 日期格式设定
!X 8<;e}2 DataFormatString="{0:yyyy-MM-dd}"
;R#:? r;t Q|3SYJf 我觉得应该在itembound事件中
@ -g'BvS e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
OI0tgkG W5#5RK"uX 9.获取错误信息并到指定页面
ga#Yd}G^~3 O7KR~d 不要使用Response.Redirect,而应该使用Server.Transfer
c"<bq}L7S v<2B^(i}VB e.g
"?[7oI}c& // in global.asax
$hCPmiI protected void Application_Error(Object sender, EventArgs e) {
>WKlR` J% if (Server.GetLastError() is HttpUnhandledException)
(l~3~n Server.Transfer("MyErrorPage.aspx");
;:0gN|+ @['4 X1pqt //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
q/|WkV `m }
.*0`}H+_ \K,piCVViN Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
ZJ|@^^GcL tOu:j [ 10.清空Cookie
0'{`"QD\IW Cookie.Expires=[DateTime];
e.Y*=P}D Response.Cookies("UserName").Expires = 0
Gkfc@[Z V =z]8;<=pL 11.自定义异常处理
JW`Kh*,~< //自定义异常处理类
4
Ii@_r> using System;
XI rNT:h4 using System.Diagnostics;
&;V3[
*W" IdvBQ [Gj namespace MyAppException
x>$!R\Cj {
$!msav /// <summary>
REmD*gf /// 从系统异常类ApplicationException继承的应用程序异常处理类。
E\%'/3o /// 自动将异常内容记录到Windows NT/2000的应用程序日志
INHN=KY{ /// </summary>
HOb-q|w public class AppException:System.ApplicationException
H=7z d|W {
A{7N#-h_ public AppException()
_z3Hl?qk= {
5xEk 7g. if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
gUrb\X }
TF@HwF"# wq( m%F public AppException(string message)
R+s_uwS {
JKFV7{%Gl LogEvent(message);
? 77ye }
@c8s<9I] tv_Cn
w public AppException(string message,Exception innerException)
{mlJ E>~% {
i>M*ubWE4@ LogEvent(message);
? }k~>. \ if (innerException != null)
7 -(LWH {
YS_9M Pi LogEvent(innerException.Message);
<IF\;,.c }
jZ'y_ }
<N{pMz FZ)Y<r8|s //日志记录类
7{vnhl(Z using System;
zn |=Q$81 using System.Configuration;
C+WHg-l using System.Diagnostics;
6$'6x2, using System.IO;
aE_)iE| using System.Text;
u%#s_R using System.Threading;
p,?8s% '9,14e6 namespace MyEventLog
V zx%N. {
S*H :/Ip /// <summary>
bW`@9 =E /// 事件日志记录类,提供事件日志记录支持
)-3!-1 /// <remarks>
1m/=MET] /// 定义了4个日志记录方法 (error, warning, info, trace)
u&=SZX&G k /// </remarks>
|\/0S /// </summary>
zr0_SCh;2 public class ApplicationLog
4LU'E%vlC {
ZOFBT(oV /// <summary>
-S=Zsr\ /// 将错误信息记录到Win2000/NT事件日志中
HA{-XPAWZ /// <param name="message">需要记录的文本信息</param>
`9QrkkG+ /// </summary>
F:/R'0 public static void WriteError(String message)
J3sO%4sYR {
TsPO+x$l WriteLog(TraceLevel.Error, message);
,EgIH%*g }
qj71
rj o8P 5C4y /// <summary>
@= c{GAj /// 将警告信息记录到Win2000/NT事件日志中
*JG?^G"l /// <param name="message">需要记录的文本信息</param>
6e@
O88= /// </summary>
AJrwl^lm public static void WriteWarning(String message)
cU25]V^{\ {
5 TD" WriteLog(TraceLevel.Warning, message);
j$*]'s&_hZ }
-Uz
xs5Zl 1K'0ajl1A /// <summary>
h^P>pI~ /// 将提示信息记录到Win2000/NT事件日志中
%PG::b /// <param name="message">需要记录的文本信息</param>
y(:hN) /// </summary>
`4cs.ab public static void WriteInfo(String message)
r'hr'wZ {
z[Kxy1, WriteLog(TraceLevel.Info, message);
`hM:U }
'f`~"@ /// <summary>
O.=~/!( /// 将跟踪信息记录到Win2000/NT事件日志中
{6<7M /// <param name="message">需要记录的文本信息</param>
->}K- n ), /// </summary>
qEE3x>&T] public static void WriteTrace(String message)
i:WHql"Kw_ {
v@k62@; WriteLog(TraceLevel.Verbose, message);
~?vm97l }
:~^ec|tp )2oWoZvi9 /// <summary>
|xH"Xvp: /// 格式化记录到事件日志的文本信息格式
DR9M8E /// <param name="ex">需要格式化的异常对象</param>
M[_~7~4 /// <param name="catchInfo">异常信息标题字符串.</param>
xIF
z@9+k /// <retvalue>
zQ
{g~x /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
GI$t8{M /// </retvalue>
',0~ \V /// </summary>
) BTJs)E public static String FormatException(Exception ex, String catchInfo)
]}9y>+> {
$B4}('&4FQ StringBuilder strBuilder = new StringBuilder();
`QR2!W70o3 if (catchInfo != String.Empty)
N_L&!%s {
n?pCMS| strBuilder.Append(catchInfo).Append("\r\n");
wCBL1[~C }
ja~b5Tf9 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
@( 9#\%= return strBuilder.ToString();
#hd<5+$U}l }
Wuosr3P .c"UlOZ&w^ /// <summary>
2 <&- /// 实际事件日志写入方法
MPO!qSS] /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
VzpPopD,QW /// <param name="messageText">要记录的文本.</param>
V#!ypX]AB[ /// </summary>
Ii*v(`2b private static void WriteLog(TraceLevel level, String messageText)
)?pin|_x {
N{/q
p try
X3]E8)645N {
|.:O$/ Tt[ EventLogEntryType LogEntryType;
)1j~(C)E8 switch (level)
;ijJ%/ {
5"y
p|Yl case TraceLevel.Error:
svyC(m)' LogEntryType = EventLogEntryType.Error;
5S$HDO& break;
&tD`~ case TraceLevel.Warning:
?9!tMRb LogEntryType = EventLogEntryType.Warning;
]Vl5v5_ break;
Ats"iV case TraceLevel.Info:
g$dL5N7 LogEntryType = EventLogEntryType.Information;
Ph]e\ break;
$Miii`VS9 case TraceLevel.Verbose:
$EviGZFAaR LogEntryType = EventLogEntryType.SuccessAudit;
~<v.WP<: break;
~A8lvuw3 default:
vG\]xM'u LogEntryType = EventLogEntryType.SuccessAudit;
w}NgFrL break;
A
i9*w?C }
K;6K!6J:[ tb/u@}") EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
FPMhHHM //写入事件日志
4,s: G.g eventLog.WriteEntry(messageText, LogEntryType);
'cw0FpQ; <l wI| < }
q9WdJ!-^X catch {} //忽略任何异常
RO wbzA)]r }
"XC6 l4Z } //class ApplicationLog
>Fx$Rty }
<
q;] ;
tvB{s_ 12.Panel 横向滚动,纵向自动扩展
OM!ES%c, <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
1V+1i)+ G:WMocyXI' 13.回车转换成Tab
]N=C%#ki! <script language="javascript" for="document" event="onkeydown">
`yYgL@Zt if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Oku4EJFJ event.keyCode=9;
m3_e]v3{o </script>
P60 3P >+vWtO2 onkeydown="if(event.keyCode==13) event.keyCode=9"
:1 Fm~' .[1A 14.DataGrid超级连接列
Q=PaTh
DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
U"m!f*a N%r}0 15.DataGrid行随鼠标变色
7=QV ^G private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
D4'XBXmb {
Mh+'f 93 if (e.Item.ItemType!=ListItemType.Header)
>j`*-(`2fa {
i;)g0}x` e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
:WA o{|& e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
{ tR=D_5 }
"mPa>`? }
Go`omh
b o4~ft!> 16.模板列
oSa FmP <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
34;c00 <ITEMTEMPLATE>
CdaB.xk <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
>D:S)" </ITEMTEMPLATE>
6{7O </ASP:TEMPLATECOLUMN>
XIjSwR kYJ 3:Z(tM&-O <ASP:TEMPLATECOLUMN headertext="选中">
m]"YR_ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
@bqCs^U35 <ITEMTEMPLATE>
?sS'T7r
v <ASP:CHECKBOX id="chkExport" runat="server" />
-S,dG| </ITEMTEMPLATE>
YSa:"A <EDITITEMTEMPLATE>
hq,;H40%/ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
[tD*\\IA </EDITITEMTEMPLATE>
iBo-ANnK9 </ASP:TEMPLATECOLUMN>
5\4>H6 o~4n8 后台代码
:>3&"T. protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
c(Ha"tBJ {
rM=Hd/ki5 //改变列的选定,实现全选或全不选。
nr-mf]W&
CheckBox chkExport ;
)<^ ~${$U if( CheckAll.Checked)
ok6e=c ' {
wd#AA#J;* foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
/XMmE {
+'n1?^U chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/pk;E$qv chkExport.Checked = true;
e0$mu?wd- }
bR8)s{p6 }
SD.ze(P else
OT *W]f {
/Hx0=I foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
w`7l;7[ {
c=b\9!hr_E chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
^_=0.:QaW chkExport.Checked = false;
GUp51*#XR }
"mH^Owai }
^@19cU?q }
I9Sh~vTm=u h{JVq72R 17.数字格式化
^|K*lI/ ?x[>g!r 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
kW:!$MX! <%#Container.DataItem("price","{0:¥#,##0.00}")%>
C,<TAm _:K}DU'6 int i=123456;
jU#%@d6!# string s=i.ToString("###,###.00");
nb|MHt PX =f|>7m.p 18.日期格式化
hy]AH)?pR fZ376Z:S$ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
KJ#c(yb9zR ]Aluk|"`U 显示为: 2004-8-11 19:44:28
n=>Gu9` xeH#)QJt 我只想要:2004-8-11 】
l|fd, <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
A+}4N%kh *FE<'+% 应该如何改?
[ho'Pc3A< XM 7zA^- 【格式化日期】
WcJ{}V9 p{,fWk 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
/<2_K4(-{4 0iB1_)~ 【日期的验证表达式】
tQ|I$5jNJ Y~:7l5C A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
e5/_Vga ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
X@G`AD'.M vJ'ho B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Lf:Z
(Z> ^\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]))$
)~n}ieS ' FK"-)s 【大小写转换】
{Eb6. HttpUtility.HtmlEncode(string);
oaK~:' HttpUtility.HtmlDecode(string)
B)|s.Ez -s 1VlS/ 19.如何设定全局变量
d{m0 uX56 S- H3UND" Global.asax中
W!(Q_B Xm-63U`w5 Application_Start()事件中
zKutx6=aj hf-S6PEsM 添加Application[属性名] = xxx;
,]Ma, 2 dkLR
Q
就是你的全局变量
*,pqpD> :h3JDQe:. 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
x V e! CP'-CQ\Q HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
7.t$#fzi "osYw\unI 【ASPNETMENU】点击菜单项弹出新窗口
dWUu3 Uoe?5Of(* 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
A^7!+1*K+ <?xml version="1.0" encoding="GB2312"?>
6{~I7!m" <MenuData ImagesBaseURL="images/">
f1{ckHAY55 <MenuGroup>
l*u@T|Fc$ <MenuItem Label="内参信息" URL="Infomation.aspx" >
4jW{IGW <MenuGroup ID="BBC">
*Tlv'E.M <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
72 6y/o <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
k?#6j1pn ......
40E[cGz$* neBkwXF! 最好将你的aspnetmenu升级到1.2版
<*+MBF ivq4/Y]-X 21.读取DataGrid控件TextBox值
hMQaT-v foreach(DataGrid dgi in yourDataGrid.Items)
0>`69&;g| {
smU+:~ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
z)B=<4r tb.Text....
>gE_?%a[ }
R[c_L= x,%&[6( 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
S@#L!sT`u -*A'6%` 〖思归〗
|3LMVN <asp:TemplateColumn HeaderText="数量">
Q'VS]n <ItemTemplate>
8\9EDgT <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
7,zARWB!? onkeyup="javascript:DoCal()"
On^#x] />
8{YxUD V("1\ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
_biJch </ItemTemplate>
D/WS </asp:TemplateColumn>
LcXMOT)s 'w2;oO <asp:TemplateColumn HeaderText="单价">
&}cie"\L <ItemTemplate>
DbN'b(+ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Q [{vU onkeyup="javascript:DoCal()"
F*4+7$E0B />
1|VJN D NP8TF*5V <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
/HRaX!|E# x_K% </ItemTemplate>
?MH4<7?" </asp:TemplateColumn>
)YFs 1%,Z&@^j <asp:TemplateColumn HeaderText="金额">
l_c?q"X <ItemTemplate>
y6/X!+3+ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
CkU=0mcY </ItemTemplate>
: [y(<TLw </asp:TemplateColumn><script language="javascript">
m"R(_E5 function DoCal()
g8Z14'Ke {
Eg*3**gTO var e = event.srcElement;
Z-@}~#E var row = e.parentNode.parentNode;
o[#a}5Y var txts = row.all.tags("INPUT");
>gl.(b25C if (!txts.length || txts.length < 3)
`cpcO return;
ZAZCvN@5 +$t%L var q = txts[txts.length-3].value;
eXK`%' var p = txts[txts.length-2].value;
9K|lU:, }U9jsm if (isNaN(q) || isNaN(p))
N6;Z\\&0^q return;
7&4,',0VL L|LTsRIq q = parseInt(q);
arZIe+KW p = parseFloat(p);
<Xx\F56zp I8?[@kg5b' txts[txts.length-1].value = (q * p).toFixed(2);
Kcl$|T }
kg@h R} </script>
{%{GZ cAS_?"V
a 0K ?(xB YHYB.H) DOe KW 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。
y6}):| page_load
SK52.xXJ page.smartNavigation=true
4Z}{hc\J F/sBr7I 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 ?
mx~sxYa private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
"44?n <1 {
&J$5+"/;X for(int i=0;i<e.Item.Cells.Count-1;i++)
Wi^rnr'Ss if(e.Item.ItemType==ListItemType.EditType)
I?>T"nV +' {
)\vHIXnfJ1 e.Item.Cells.Attributes.Add("Width", "80px")
{R;M`EU> }
dn_OfK }
8n5nHne aUK4{F ; 26.对话框
"\;wMR{ private static string ScriptBegin = "<script language=\"JavaScript\">";
Bq@wS\W>b} private static string ScriptEnd = "</script>";
_eV n#!| 'qAfei'] public static void ConfirmMessageBox(string PageTarget,string Content)
r%d11[z {
a}fClI-u string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Yj6p19 "Q{~Bj~ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
,<b|@1\k _~Vz+nT Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
~uadivli ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
S7{.liHf //Response.Write(strScript);
% VpBB }
nM-SDVFM DWQQ615i 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
D^55:\4( W"(`n4hi3 1.1 取当前年月日时分秒
pm~;:#z7
currentTime=System.DateTime.Now;
N+qLxk "H<#91^| 1.2 取当前年
NxO^VUD int 年= DateTime.Now.Year;
Z&jb,eh2 '-33iG 1.3 取当前月
?i2Wst int 月= DateTime.Now.Month;
wg<|@z5 m,C,<I|'d 1.4 取当前日
E5G"QnxR>N int 日= DateTime.Now.Day;
vUe
* ,$zlw\ 1.5 取当前时
I0+wczW,^ int 时= DateTime.Now.Hour;
1xAFu+ %aBJ+V F 1.6 取当前分
:gscW&k int 分= DateTime.Now.Minute;
KTjlWxD P 4*MV 1.7 取当前秒
wI@I(r~g int 秒= DateTime.Now.Second;
]^jdO# #M +'KE T, 1.8 取当前毫秒
@[tV_Z%,b int 毫秒= DateTime.Now.Millisecond;
6F.7Ws< nDB 2>J 28.自定义分页代码:
1] Q2qs DnsP7k.8T 先定义变量 :
-{U>}
Y) public static int pageCount; //总页面数
<W59mweW#5 public static int curPageIndex=1; //当前页面
~+ s*\~ l@rwf$- 下一页:
~vSAnjeR if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
\UqS -j| {
fTV|?:C{ DataGrid1.CurrentPageIndex += 1;
92]ZiL?k curPageIndex+=1;
_T|H69 J }
{lTxB'W@d ITIj=!F* bind(); // DataGrid1数据绑定函数
%M#?cmt C]yQ "b 上一页:
h^+C)6(58n if(DataGrid1.CurrentPageIndex >0)
k\sM;bCv7 {
GyAgPz DataGrid1.CurrentPageIndex += 1;
xVkTRCh curPageIndex-=1;
(
*>/w$% }
2FIR]@MQd FaE #\Q bind(); // DataGrid1数据绑定函数
DwmU fZp HXfXb^~ 直接页面跳转:
$dh4T"; int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
c|}K_~l_ KBw9( if(a<DataGrid1.PageCount)
r<X 4ER {
guOSO@ this.DataGrid1.CurrentPageIndex=a;
Kka8cG }
.6ngo0<g H >:4MY bind();
a=*ALd_&0 MuoctW 29.DataGrid使用:
;=-j;x 6L,lq; 添加删除确认:
R'I_xjC private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
U M( l% {
jc&/}o$K foreach(DataGridItem di in this.DataGrid1.Items)
}\f(qw {
G_M:0YI@ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
QGr\I/Y {
?QMclzh*- ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
}#OqU#
q| }
)?B~64N,+ }
'9
e\. }
YWRE&MQ_ w=D%D8 r2 样式交替:
UV']NHh ListItemType itemType = e.Item.ItemType;
lH)em.# #~4{`]W6 if (itemType == ListItemType.Item )
vXWsF\g {
slge+xq\J e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
%l:|2s: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
FE+7X=y }
J0Hm)* else if( itemType == ListItemType.AlternatingItem)
J1tzHa6 {
)
\-96 xd e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
cophAP e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
HkdN=q }
#7] o6 -VWCD,c 添加一个编号列:
Any Zi' DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
M'umoZmW0 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
QJ#u[hsMFp &nqdl+|G* for(int i=0;i<dt.Rows.Count;i++)
uNe}"hs {
qDRNtFa dt.Rows["number"]=(i+1).ToString();
\D,M2vC~G }
0R@g( #vj#! 1
DataGrid1.DataSource=dt;
h4aygc DataGrid1.DataBind();
`6Ureui2? N7*CP|?E DataGrid1中添加一个CheckBox,页面中添加一个全选框
.pM
&jni Y private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Z
7s;F}= {
3@^>#U
foreach(DataGridItem thisitem in DataGrid1.Items)
(Qk&g"I {
[,O`MU ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
Fn86E dFM }
d7"U WY^ }
Ecxj9h,S {sC@N![ 将当前页面中DataGrid1显示的数据全部删除
T-9k<,>? foreach(DataGridItem thisitem in DataGrid1.Items)
bZ>&QM {
YH[XRUa if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
H]_WFiW-9 {
Nush`?]J"_ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Opv1B2 Del (strloginid); //删除函数
+_qh)HX }
ytjK++(T5 }
(2z%U m|]j'g?{}( 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)
;/@?6T" J3;Tm~KJ_ 在Application_Start中添加以下代码:
h/I@_?k+ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
I*D<J$ 9N AppSettings["ConnStr"].ToString();
f}[H
`OF #P(l2 ( 31. 变量.ToString()
~ J0,)_b%* 99^AT*ByY 字符型转换 转为字符串
2)wAFO6u 12345.ToString("n"); //生成 12,345.00
lPY@{1W 12345.ToString("C"); //生成 ¥12,345.00
,b4):{ 12345.ToString("e"); //生成 1.234500e+004
S:ls[9G[3 12345.ToString("f4"); //生成 12345.0000
I"ca+4] 12345.ToString("x"); //生成 3039 (16进制)
=op`fn% 12345.ToString("p"); //生成 1,234,500.00%
tC&fAE:S br0u@G 32、变量.Substring(参数1,参数2);
3az$:[Und} 4|nQ=bIau 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
"hWJ3pi{o{ Z'Kd^`mt 9 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
7}Bj|]b)~ <SCRIPT language="javascript">
^:qD .h>& <!--
bH*@,EE function gook(pws)
)ZHc$+fU {
&yE1U#J( frm.submit();
$+Vmwd; }
'!!e+\h# //-->
Sv7 i! j Mx8Gu^FW.d </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
On=u#DxQ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
DU;[btK> <tr>
h$70H ^r <td>
9b1?W?" <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
tpXa*6 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
NCa~#i:F8 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
A2y6UzLYD 2B-.}OJ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
:$=|7v <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
- %|P *z q .C </td>
.eo~?u<j& ^IBGYl5n </tr>
"OO96F %JQ~!3 </form>
Va7c#P? ~L bS~_\C= 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。
z!$gVWG gmY/STN 下面是获取用户输入的登陆信息的代码:
a:A n=NA string name;
+0J@y1 name=Request.QueryString["EmailName"];
|xh&p( AYcgi try
.U9R># {
M#xQW`-` int a=name.IndexOf("@",0,name.Length);
1Ao6y.S f_user.Value=name.Substring(0,a);
.d~\Ysve f_domain.Value=name.Substring(a+1,name.Length-(a+1));
)GVBE%!WEd f_pass.Value=Request.QueryString["Psw"];
uFZ~ }
~Rs#|JWB2V il12T`a catch
Z`Ax pTl {
'WQdr( Script.Alert("错误的邮箱!");
<FUon Server.Transfer("index.aspx");
D*\v0=P'? }