1. 打开新的窗口并传送参数:
I)9un|+,y Nhq&Sn2 传送参数:
gA`x-` response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
7-*QF>w<a IYb%f T 接收参数:
Y bX3_N& string a = Request.QueryString("id");
]6#7TT string b = Request.QueryString("id1");
)}{V#,xz@ $%*E)~ 2.为按钮添加对话框
e~Hx+Qp.G Button1.Attributes.Add("onclick","return confirm(’确认?’)");
w"p,6Ew button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
R['k&jyi JYQ.Y!X1O 3.删除表格选定记录
y:\ ^[y IQ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
vO2I"Y*\ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
-5v2E- HW0EP J 4.删除表格记录警告
>=<qAkk private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
X^pxu6nm- {
,VtrQb)Yf switch(e.Item.ItemType)
oSDx9% {
f(Hh( case ListItemType.Item :
>%v w(pt case ListItemType.AlternatingItem :
Woo2hg-ti case ListItemType.EditItem:
Z33&FUU TableCell myTableCell;
1O<Gg<<,e myTableCell = e.Item.Cells[14];
5)%bnLxn LinkButton myDeleteButton ;
F.nJXZnJ myDeleteButton = (LinkButton)myTableCell.Controls[0];
UD0via myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
=e<;B_~. break;
y1zNF$<q default:
m%mA0r
break;
d~lB4 }
BC/oh+FW3 b7X-mkF }
S}0W<H P Yn0l}=, n 5.点击表格行链接另一页
y-Xd~<*Ia private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%&D,|Yl6 {
Cpyv@+;D //点击表格打开
h}vzZZ2, if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
OI=LuWGQE1 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
7.-g=Rcz }
UIpW#t %D::$,;<< 双击表格连接到另一页
^iWcuh_n Y5J}*`[Mr 在itemDataBind事件中
@O~ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;H%&Jht {
m-{t%[Y string OrderItemID =e.item.cells[1].Text;
'/Y
D$*, ...
j _r?4k e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
8XwZJ\5 }
pP1|/f5n` X)-9u 8 双击表格打开新一页
T?p'R if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
gnAM} {
QFg,pTj string OrderItemID =e.item.cells[1].Text;
gH{X? ...
&) '5_#S e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
I=N;F6 }
f?-=&||f78 H(eGqVAq, ★特别注意:【?id=】 处不能为 【?id =】
5kX#qT= 6.表格超连接列传递参数
aD2+9?m <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Jd].e=]pN <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
kG =nDy rZ.,\ X_ 7.表格点击改变颜色
pt"yJtM'P if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
qbrf;` {
mp^;8??; e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
}~8/a3 this.style.color=’buttontext’;this.style.cursor=’default’;");
nG0Uv%?{pj }
c&A;0**K, /EJwO3MW 写在DataGrid的_ItemDataBound里
M?61g( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^X&`:f {
(r&e| e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
I'23$IzPA this.style.color=’buttontext’;this.style.cursor=’default’;");
n@3(bl5{ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
) h*)_7 }
(6 jr}kP auV'`PR >DHpD?Pm! 8.关于日期格式
aJnZco6 Z */*P4\ 日期格式设定
amPC C DataFormatString="{0:yyyy-MM-dd}"
Hk65c0 6 (:^>@ 我觉得应该在itembound事件中
(kECV8)2 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
ZBDEE+8e (-lu#hJ`&r 9.获取错误信息并到指定页面
os\"(*dix LU#DkuIG 不要使用Response.Redirect,而应该使用Server.Transfer
Dy>U=(S $6~
\xe= e.g
410WWR&4_ // in global.asax
8J&K_JC^ protected void Application_Error(Object sender, EventArgs e) {
m,zZe}oJ if (Server.GetLastError() is HttpUnhandledException)
T?!&a0 Server.Transfer("MyErrorPage.aspx");
(h"Yw v-*CE[ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
EYwDv4H,g }
%-z AV*> 6bL"Z OEu Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
9*?H/iN@p? }v0IzGKs 10.清空Cookie
_g%Wx?K9 Cookie.Expires=[DateTime];
T>"GH M Response.Cookies("UserName").Expires = 0
m?Gb5=qo !&~8j7{ 11.自定义异常处理
QK+s}ny //自定义异常处理类
MoKGnb using System;
eRlJ using System.Diagnostics;
n&?]GyQ &FQ]`g3_@ namespace MyAppException
?K<m.+4b*y {
rUunf'w`e1 /// <summary>
l:!4^>SC /// 从系统异常类ApplicationException继承的应用程序异常处理类。
.Yxx
/// 自动将异常内容记录到Windows NT/2000的应用程序日志
S #M<d~rK /// </summary>
jGB2`^&d public class AppException:System.ApplicationException
>R5qhVYFb {
PB
!\r}Q public AppException()
'o2V}L'nG {
B3
mD0 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
P7IxN)b7 }
97H2hYw9l #
;,b4O7@ public AppException(string message)
_IAvFJI {
R/H?/ LogEvent(message);
` r; . }
m6qmZ2< +C~,q{u public AppException(string message,Exception innerException)
8T5s6EmIOW {
{FR#je LogEvent(message);
>$gWeFu if (innerException != null)
x\ :x`k@ {
i8$tId LogEvent(innerException.Message);
8G?{S.%. }
u~X]W3 }
{u BpM9KT 7)S;VG k //日志记录类
U=<E,tM using System;
Ga\E`J$c using System.Configuration;
/jI>=:z using System.Diagnostics;
%eoO3"// using System.IO;
_
?f~UvK using System.Text;
`sZ/'R6 using System.Threading;
>@b70X!J] ~o:lh],~ namespace MyEventLog
ojO<sT:by {
1>W|vOv"Z? /// <summary>
6&% c /// 事件日志记录类,提供事件日志记录支持
'C6K\E /// <remarks>
oB27Y&nO /// 定义了4个日志记录方法 (error, warning, info, trace)
H<dOh5MFh /// </remarks>
YaTJKgi"0 /// </summary>
>6XGF(G
public class ApplicationLog
?YY'-\h? {
DU g /// <summary>
ffGiNXCM /// 将错误信息记录到Win2000/NT事件日志中
}U$Yiv /// <param name="message">需要记录的文本信息</param>
A_: Bz: /// </summary>
YQ>M&lnQ< public static void WriteError(String message)
[guJd"; {
6:i(<7 WriteLog(TraceLevel.Error, message);
#UH|,>W6 }
Q!Rknj 2 v&}mbt- /// <summary>
_20nOg`o /// 将警告信息记录到Win2000/NT事件日志中
#vJDb |z /// <param name="message">需要记录的文本信息</param>
"}PaMR] /// </summary>
D_,}lsrb public static void WriteWarning(String message)
6xSdA;<+] {
`gq@LP"o WriteLog(TraceLevel.Warning, message);
Q7`}4c) }
qw[)$icP Xj.Tg1^K" /// <summary>
hV_eb6aj}P /// 将提示信息记录到Win2000/NT事件日志中
,.u7([SGm /// <param name="message">需要记录的文本信息</param>
s OD>mc#%Y /// </summary>
wy&s~lpV,7 public static void WriteInfo(String message)
\p"`!n {
b_*Y5"(* WriteLog(TraceLevel.Info, message);
C7&4, ], }
R;6(2bTN6 /// <summary>
M{+Ie?ZI /// 将跟踪信息记录到Win2000/NT事件日志中
xW*L^97 ; /// <param name="message">需要记录的文本信息</param>
MyZ@I7Fb, /// </summary>
QK-_~9V public static void WriteTrace(String message)
XGZ1a/x;s {
XW6Ewrm=vT WriteLog(TraceLevel.Verbose, message);
U/E M(y }
S?nXpYr Le"$k su> /// <summary>
nG&=$7x^ /// 格式化记录到事件日志的文本信息格式
EzK,SN# /// <param name="ex">需要格式化的异常对象</param>
RE`XyS0Q /// <param name="catchInfo">异常信息标题字符串.</param>
<!^wGN$f /// <retvalue>
}6}Gj8Nb /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
~;W]0d4,\ /// </retvalue>
AE1!u{ /// </summary>
y5>859"h public static String FormatException(Exception ex, String catchInfo)
U3MfEM!x {
:(,uaX>{ StringBuilder strBuilder = new StringBuilder();
ny17(Y = if (catchInfo != String.Empty)
xd\k;nq {
W[A;VOj0$ strBuilder.Append(catchInfo).Append("\r\n");
fB[I1Z }
O<l_2?S1 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
M(o?I} return strBuilder.ToString();
l)`bm/k]V }
j,QeL ~a&s5E
{ /// <summary>
]O s!=rt /// 实际事件日志写入方法
*+h2,Z('a /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
|cL'4I>b9 /// <param name="messageText">要记录的文本.</param>
tUl#sqN_{ /// </summary>
F*rU=cu private static void WriteLog(TraceLevel level, String messageText)
LBT{I)-K {
2SEfEkk try
<jXXj[M2 {
AQ 3n=Lr EventLogEntryType LogEntryType;
zghUwW |K switch (level)
aoQK.7 {
z
cN1i^
case TraceLevel.Error:
EY;C5P4 LogEntryType = EventLogEntryType.Error;
JnH>L|G{;% break;
1Qui.],c case TraceLevel.Warning:
PiXegh WH LogEntryType = EventLogEntryType.Warning;
/g2( < break;
jx a? case TraceLevel.Info:
'E+Ty(ED5 LogEntryType = EventLogEntryType.Information;
TYW$=p| break;
W!4(EdT*Cq case TraceLevel.Verbose:
;
k{w@L.@ LogEntryType = EventLogEntryType.SuccessAudit;
TTpK8cC break;
#R<4K0Xan default:
FR_R"p LogEntryType = EventLogEntryType.SuccessAudit;
?B@(W(I break;
Z8+{ - }
`s(T(l ZWaHG_
U) EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
.)|r!X //写入事件日志
.]g>. eventLog.WriteEntry(messageText, LogEntryType);
^il'Q_-{ (1gfb*L }
sL]KBux catch {} //忽略任何异常
'`=z52
}
J_]?.V*A } //class ApplicationLog
ZP5.?A-=C }
M~7 gUb| #>C.61Fx 12.Panel 横向滚动,纵向自动扩展
$J&wwP[ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
"WR)a`$UR
M]:4X_ 13.回车转换成Tab
F)g.CDQ!c <script language="javascript" for="document" event="onkeydown">
4-z3+e if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
fgYdKv8 event.keyCode=9;
'}4LHB;: </script>
6"C$]kF? f.cIh ZF onkeydown="if(event.keyCode==13) event.keyCode=9"
msOk~ZPE6\ OoTMvZP[ 14.DataGrid超级连接列
dQLR%i#P8 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
XzGPBi 2V7x 15.DataGrid行随鼠标变色
;=>4
'$8 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
wND0KiwH {
T:IKyb if (e.Item.ItemType!=ListItemType.Header)
!Vl>?U?AN {
5xL%HX[S e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
ykc$B5* e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
tK{2'e6x }
!7t,(Id8 }
FI{9k( ,5Jq
ZD 16.模板列
#n5q$ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
k/hE68<6i <ITEMTEMPLATE>
F-g(Hk|v <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
833KU_ N </ITEMTEMPLATE>
l/0TNOA </ASP:TEMPLATECOLUMN>
9{_D"h}} !fUrDOM0E <ASP:TEMPLATECOLUMN headertext="选中">
syhTOhOX <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
UO$z_
p]w <ITEMTEMPLATE>
Q`}1 B <ASP:CHECKBOX id="chkExport" runat="server" />
52K_kB5 </ITEMTEMPLATE>
+[M5x[[$ <EDITITEMTEMPLATE>
.w2X24Mmb <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
_!6~o> </EDITITEMTEMPLATE>
k ]C+/ </ASP:TEMPLATECOLUMN>
V}(snG, pH5"g"e1 后台代码
! 4 `any protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
nf?;h!_7 {
j*aN_UTr3 //改变列的选定,实现全选或全不选。
>:%YAR` CheckBox chkExport ;
u6h"=l{ if( CheckAll.Checked)
+O>1Ed {
Es<id}` foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
5-lcz)DO {
J&4LyIpQ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*kE2d{h^=C chkExport.Checked = true;
pv8"E?9,k }
MFO}E!9`q }
&o*/6X else
Vvu+gP'z. {
i2`i5&* foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
"mr;|$Y {
i3g;B?54 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
9NLO{kN chkExport.Checked = false;
{FyGh
*/ }
os*QWSs }
|9.`qv }
0p\R@{ fXCx!3m 17.数字格式化
^,[V;3 6N[XWyS 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
d51l7't <%#Container.DataItem("price","{0:¥#,##0.00}")%>
u|h>z|4lJj N4Yvt& int i=123456;
];bB7+ string s=i.ToString("###,###.00");
cU7 c}?J< KY$6=/?U_ 18.日期格式化
mwLp~z%OX Kt3/C'zu 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
*L>gZ`Q jz(}P8 显示为: 2004-8-11 19:44:28
NMb`d0;( A;Rr#q< 我只想要:2004-8-11 】
C(7uvQ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
qg?O+-+ :{<( )gfk 应该如何改?
W_( CI$pPY<u1 【格式化日期】
_q`$W9M+k c!"&E\F 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Rg~ ~[6G> *l:5FTp 【日期的验证表达式】
%m r sxcpWSGA^ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
oZ;u>MeZ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
+`g&J Z7?C^m B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
}.w@.
S" ^\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(
TG/J <*u[< 【大小写转换】
&scHyt HttpUtility.HtmlEncode(string);
Qk?;n F HttpUtility.HtmlDecode(string)
#7K&x.w$ !Tuc#yFw 19.如何设定全局变量
lgp-/O"T biFy*+| Global.asax中
.nX+!EXeS PEZ~og:w Application_Start()事件中
lAuI?/E P_)h8-!+ $ 添加Application[属性名] = xxx;
Ftu~nh} g,/gApa 就是你的全局变量
(.Yt|
"j Q.:SIBP 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Yy]^_,r D/pc)3Ofe HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
}WXO[ +l .z7%74p 【ASPNETMENU】点击菜单项弹出新窗口
j<w";I&Diz Xi3:Ok6FZ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Ht#5;c2/ <?xml version="1.0" encoding="GB2312"?>
En%PIkxeR <MenuData ImagesBaseURL="images/">
]h8[b9$<") <MenuGroup>
7Z;bUMYtx <MenuItem Label="内参信息" URL="Infomation.aspx" >
F/;uN5{o <MenuGroup ID="BBC">
& %4x <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
9qxB/5d_ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
w]Z*"B&h ......
E?san;Ku g2p/#\D\J 最好将你的aspnetmenu升级到1.2版
</0@7 !IlsKMZ 21.读取DataGrid控件TextBox值
a!YpSFr foreach(DataGrid dgi in yourDataGrid.Items)
mD`v>L {
*ZP$dQ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
cSy{*K{B tb.Text....
d;UP|c>2 }
KO/Z|I I_xvg
>i 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?
4A(kM}uRB 1+6)0 OH{ 〖思归〗
3}{od$3G <asp:TemplateColumn HeaderText="数量">
Yg@k+ <ItemTemplate>
"e<Z$"7i <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
J*s!(J |Q onkeyup="javascript:DoCal()"
V;$ME4B\{ />
$,R
QA^gxW 6rlafISvO <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
h3y0bV[g= </ItemTemplate>
FWpcWmS`s </asp:TemplateColumn>
m":lKXpQ o>lk+Q#L @ <asp:TemplateColumn HeaderText="单价">
wc##'u <ItemTemplate>
`!{m#BBT} <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
K~Lh'6 onkeyup="javascript:DoCal()"
x#z}A&
/>
(bnyT?p% Z}74%
9qE <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
B[k {u#Kp )!2$yD </ItemTemplate>
@C7iflo6 </asp:TemplateColumn>
ht _fbh(l P)bS ;w\(Y <asp:TemplateColumn HeaderText="金额">
f4Aevh: <ItemTemplate>
uN1(l}z$ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
1I< <`7' </ItemTemplate>
JD1IL` ta; </asp:TemplateColumn><script language="javascript">
9AQMB1D*v4 function DoCal()
LlAMtw" {
'lwLe3.c var e = event.srcElement;
h">L>*Wfx var row = e.parentNode.parentNode;
QRbiO var txts = row.all.tags("INPUT");
$|~YXH~O if (!txts.length || txts.length < 3)
YU! SdT$ return;
ZZ/F}9!= <n+?7`d, var q = txts[txts.length-3].value;
)Zx;Z[ var p = txts[txts.length-2].value;
KG:CVIW
Y rXR=fj= 2 if (isNaN(q) || isNaN(p))
>
cFH=um return;
os/_ObPiX HmxA2 ~C q = parseInt(q);
$RA8U:Q!1e p = parseFloat(p);
]7SX _:'* BK._cDR txts[txts.length-1].value = (q * p).toFixed(2);
(80 Tbi~+ }
;Y<Hi\2oy </script>
^id9_RU YCJc Dab >jI(^8? \va'>?#o1 ('yBIb\ue 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
p'PHBb8I page_load
aH6{_eY page.smartNavigation=true
]ADj9 9I3vW]0x[ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
,S.<qmf private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
r)S tp`p {
#NU;$& for(int i=0;i<e.Item.Cells.Count-1;i++)
@wa2Z if(e.Item.ItemType==ListItemType.EditType)
9C;Hm>WEpP {
'n1-?T) e.Item.Cells.Attributes.Add("Width", "80px")
QkMK\Up }
c@p4,G }
Y`$dtg { AUCk] 26.对话框
!*Hgl\t6a private static string ScriptBegin = "<script language=\"JavaScript\">";
M=vRy|TL private static string ScriptEnd = "</script>";
NCm>iEeY xw2dEvjgp% public static void ConfirmMessageBox(string PageTarget,string Content)
jhs('n, {
XN+~g.0 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
"VEA71 frB~ajXK ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
v2X>% Nr24Rv Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
""LCyKu ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
u~kfz*hz //Response.Write(strScript);
(sX=#<B% }
pv/LTv @KtQ~D 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
#Av6BGM|, QuEfV ?)_4 1.1 取当前年月日时分秒
VK/@jrL+ currentTime=System.DateTime.Now;
~M@'=Q*~ $"VgNynq 1.2 取当前年
O3H~|R+^
int 年= DateTime.Now.Year;
$:|z{p ldEZ _g^ 1.3 取当前月
VU~
R int 月= DateTime.Now.Month;
@y3u'Y,B AawK/tfs 1.4 取当前日
H"~]|@g-p int 日= DateTime.Now.Day;
EbTjBq i:8g3|JfMe 1.5 取当前时
XQI.z7F int 时= DateTime.Now.Hour;
lHg&|S&J Ml)0z&jQX 1.6 取当前分
h!c6]D4!L int 分= DateTime.Now.Minute;
w.tQ)x1h Q<TD5t9 1.7 取当前秒
y]1:IJL2; int 秒= DateTime.Now.Second;
TRB)cJZ? d=?Kk4Ag 1.8 取当前毫秒
KC@F"/h`/ int 毫秒= DateTime.Now.Millisecond;
aD5jy ",U>;` 28.自定义分页代码:
j Wa%vA _,S
L;*G4| 先定义变量 :
T(<
[k:` public static int pageCount; //总页面数
8#NI`s* public static int curPageIndex=1; //当前页面
qx#k()E.U oH;0_! 下一页:
o: \&4z&= if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
ohI>\ {
WD"3W)! DataGrid1.CurrentPageIndex += 1;
5f.G^A: _X curPageIndex+=1;
)e,Rp\fY$ }
@y)'h]d K6vF}A| bind(); // DataGrid1数据绑定函数
-c%K_2` )9(Mt_ 上一页:
RPb/U8 if(DataGrid1.CurrentPageIndex >0)
Vfm (K {
&``dI,NC DataGrid1.CurrentPageIndex += 1;
ho5mH{"OV curPageIndex-=1;
`R}q&|o7< }
`O:ecPD4M #2N']VP bind(); // DataGrid1数据绑定函数
;
E Nhy aD
33!
:y 直接页面跳转:
P=Au~2X int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
t:pgw[UJ os=Pr{ if(a<DataGrid1.PageCount)
-,;r %7T {
Oa[G
# this.DataGrid1.CurrentPageIndex=a;
U g'y }
wi{qN___ [^iQE bind();
6\8
lx|w s)?=4zJ 29.DataGrid使用:
P!;%DI!<b <r[5 S5y 添加删除确认:
QG~4<zy private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
egOZ.oV {
H;#3S< foreach(DataGridItem di in this.DataGrid1.Items)
=(!&8U9 {
XYBvM] if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Q> Lh.U,{ {
zF+NS]XK ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
w
Pk\dyP }
Equj[yw%@ }
6EHYIN^D }
<"Ox)XG3]W -\Y"MwIED 样式交替:
jacp':T ListItemType itemType = e.Item.ItemType;
$d<vPpJ3 Ek0zFnb[Gx if (itemType == ListItemType.Item )
QKj8~l( {
dNQR<v\IL e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
v' x)AbbC e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
^lF'KW$ }
s7x&x;- else if( itemType == ListItemType.AlternatingItem)
'X()|{ {
.XD.'S e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
b^SQCX+P e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
s-\.j-Sa }
ZGstD2N$ 6 WD( 添加一个编号列:
%Tc P[< DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
[M:ag_rm+f DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Z0Tpz2m m)5,ut/ for(int i=0;i<dt.Rows.Count;i++)
KW3Dr`A {
!,;>)R dt.Rows["number"]=(i+1).ToString();
~ULD{Ov'F }
|4=Du-e 3M 5+!H DataGrid1.DataSource=dt;
~OuK ewr\ DataGrid1.DataBind();
-r.Qy(}p j. @CB` DataGrid1中添加一个CheckBox,页面中添加一个全选框
15o<'4|=Lm private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
-i,=sZXB {
W @X/Z8.( foreach(DataGridItem thisitem in DataGrid1.Items)
aan)yP {
Gr1WBYK ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
XXx]~m }
fyRSg B00$ }
Yy,i,c`r PRR]DEz 将当前页面中DataGrid1显示的数据全部删除
'Y6x!i2 foreach(DataGridItem thisitem in DataGrid1.Items)
l ~b {
x#_\b- if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
s)gU vS\ {
*0EB{T1 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Cb`2" mpWS Del (strloginid); //删除函数
Thlqe? }
N ,8^AUJ3& }
_LVi}mM fFr[
&\[ 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)
?h7,q*rxk X&s@S5=r] 在Application_Start中添加以下代码:
dX720/R Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
y4jJ& AppSettings["ConnStr"].ToString();
RM5$O+" IB'gY0* 31. 变量.ToString()
|a>W9Y m g>@T5&1q* 字符型转换 转为字符串
l\Q-- 12345.ToString("n"); //生成 12,345.00
W8@o7svrh 12345.ToString("C"); //生成 ¥12,345.00
M%U1?^j8 12345.ToString("e"); //生成 1.234500e+004
+2qCH^80 12345.ToString("f4"); //生成 12345.0000
&l&B[s6[ 12345.ToString("x"); //生成 3039 (16进制)
R#K,/b%SV 12345.ToString("p"); //生成 1,234,500.00%
*bOgRM[ cft'% IEs 32、变量.Substring(参数1,参数2);
w=|"{-ijo dKG 2f 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
M5C%(sQ$ AW6 "1(D 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)
%^zGM^PD <SCRIPT language="javascript">
`vMrlKq <!--
_?aI/D function gook(pws)
jDyG~de {
UWf@(8 frm.submit();
NFAjh?# }
$,s"c(pv[, //-->
[v,Y-}wQ) xE0'eC5n^ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
l-~
o&n <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
#9's^}i <tr>
eeix-Wt*E <td>
nQHQVcDs8 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
54^2=bp <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
U?WS\Jji3! <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
%UO ;!&K Z(~v{c %< <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
dPVl\<L1 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
HZ_,f"22 n
_H]*~4F </td>
E
U#
M. hFiJHV </tr>
lk(q>dv K mO?yrM * </form>
saPg2N, f ^vz 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。
@i9eH8lT 8-"lK7 下面是获取用户输入的登陆信息的代码:
d i;Fj string name;
Ok*aP+Wq name=Request.QueryString["EmailName"];
&3_S+.JO ^! r<-J
try
Z~s"=kF, {
vgyv~Px]AW int a=name.IndexOf("@",0,name.Length);
A4|L;z/A[h f_user.Value=name.Substring(0,a);
$Fr>'H+i f_domain.Value=name.Substring(a+1,name.Length-(a+1));
sX,."@[ f_pass.Value=Request.QueryString["Psw"];
DV6B_A{kI }
kJfMTfl, v
?OIK=Xm catch
p10i_<J]= {
]Av)N6$&-Z Script.Alert("错误的邮箱!");
C8oAl3d+h Server.Transfer("index.aspx");
=Felo8+ }