1. 打开新的窗口并传送参数:
Rz)v-Yu 2m|Eoc&M_ 传送参数:
YcPKM@xo response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
!'+\]eA Q=^ktKMeR 接收参数:
cn@03&dAl string a = Request.QueryString("id");
2-QuT"Gkd string b = Request.QueryString("id1");
|{zHM2 3gD 0kkRK*fp}x 2.为按钮添加对话框
C3]\$ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Cm9 9?K button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
v`@5enr ys:1Z\$P 3.删除表格选定记录
y?[5jL|Ue int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
}_Tt1iai* string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
9Ilfv ?T tQZ 4.删除表格记录警告
U+(Z#b(Q private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
^qE<yn {
K-N]h switch(e.Item.ItemType)
(xI)"{ {
#9URVq, case ListItemType.Item :
iK$Vd+Lgc case ListItemType.AlternatingItem :
Z&AHM &,yj case ListItemType.EditItem:
7qCJ]%)b6 TableCell myTableCell;
EGp~Vo- myTableCell = e.Item.Cells[14];
>1#DPU(g LinkButton myDeleteButton ;
nF|#@O`1 myDeleteButton = (LinkButton)myTableCell.Controls[0];
eD>-`'7< myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
T*7S;<2
break;
UchALR^5 default:
G1`mn$`kq break;
R[mH35D/ }
<Tj"GVZAEO 6i*ArGA
}
/\IAr,w[ z&>9
s)^- 5.点击表格行链接另一页
9}K(Q= private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
g=8|z#S {
9,Crmbw8 //点击表格打开
'sT}DX(7M if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
T! &[ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
pfJVE }
N"q+UCRC ZuF4N=; 双击表格连接到另一页
_qO;{%r :IP;FrcMP 在itemDataBind事件中
eR#gG^o8 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.N-'; %8 {
%x cM_|AyR string OrderItemID =e.item.cells[1].Text;
} kh/mq ...
X:xC>4]gG' e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
z[0LU]b< }
dw{#|| L.I}-n 双击表格打开新一页
sO,%Ok1 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Kyz!YB {
o"te7nBI string OrderItemID =e.item.cells[1].Text;
1VlRdDg ...
0UJ%tPS e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
;#F/2UgHB }
G% |$3 N%hV +># Z ★特别注意:【?id=】 处不能为 【?id =】
PJq;OM| 6.表格超连接列传递参数
JumZ>\'p( <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Xu4C*]A> <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
uANG_sX^n yJCqP= 7.表格点击改变颜色
66P'87G if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|Va*=@&6J {
e;+6U"Jx* e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
KW* 2'C& this.style.color=’buttontext’;this.style.cursor=’default’;");
-YXNB[C }
9Q~9C9{+ B-oQ 9[~ 写在DataGrid的_ItemDataBound里
'pCZx9*c if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
i`m&X6)\j {
,buSU~c_Q e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
3pxZk% this.style.color=’buttontext’;this.style.cursor=’default’;");
rBOxI e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
k<.$7Pl3U }
+3a}~p W <G9HVMiP eP d 8.关于日期格式
Q]JWWKt6rV 4LEWOWF} 日期格式设定
kPhdfF*Q DataFormatString="{0:yyyy-MM-dd}"
`!`g&:Y 7L%JCH#F 我觉得应该在itembound事件中
}Y}f73-| e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
-YDA,.Ic? fH-fEMyW 9.获取错误信息并到指定页面
$?_/`S13 .3X5~OH 不要使用Response.Redirect,而应该使用Server.Transfer
zBQV2.@ FAkrM?0/ e.g
&d%\&fCm( // in global.asax
oZD+AF$R protected void Application_Error(Object sender, EventArgs e) {
', WnT: if (Server.GetLastError() is HttpUnhandledException)
>>cb0fH5 Server.Transfer("MyErrorPage.aspx");
&$$o=Y g, _>8rTk`/h //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Ulf'gD4e }
~ u)}/ e(=() :4is 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
^n?`l ^9c$ i/C`]1R/
10.清空Cookie
uPT2ga ] Cookie.Expires=[DateTime];
z#[PTqD-_ Response.Cookies("UserName").Expires = 0
w)rd--9f ){nOM$W 11.自定义异常处理
%.h&W; //自定义异常处理类
_o52#Q4 using System;
7C&J88|\ using System.Diagnostics;
eh39"s K7 J RCLA namespace MyAppException
>\7Mf@c {
dwpE(G y6c /// <summary>
`f[ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
[.(,vn?6 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
kl~)<,/@ /// </summary>
nO+-o;DbC public class AppException:System.ApplicationException
gkM Q=;Nn {
}Q?a6(4 public AppException()
$a01">q&y {
n)Z u> if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
%/4_|.8u }
&RHZ7T -O^R~Q_`w public AppException(string message)
y;if+ {
&7XsyDo6 LogEvent(message);
kaT
! }
E!9(6G4 TE5J
@I public AppException(string message,Exception innerException)
Ygbyia| {
9Tg
k= LogEvent(message);
l*$~Y0 if (innerException != null)
`h'7X( {
b8 E{~z LogEvent(innerException.Message);
WfXwI 'y }
p9E/#U8A_ }
|vw],r6 S,s#D9NU //日志记录类
ICEyz|
C using System;
xi<yB0MoA using System.Configuration;
/^L<q using System.Diagnostics;
Ne)3@? using System.IO;
([dwZ6$/J using System.Text;
BM{*5Lf using System.Threading;
drxCjuz" /9A6"Z namespace MyEventLog
.Y0O. {
lNsdbyV' /// <summary>
D4N(FZ0~ /// 事件日志记录类,提供事件日志记录支持
(5;nA' /// <remarks>
&ty-aB=F /// 定义了4个日志记录方法 (error, warning, info, trace)
)}7X4g6X /// </remarks>
AmZW=n2^ /// </summary>
"L;@qCfhO public class ApplicationLog
sYfm]Faz {
ilXKJJda /// <summary>
|2=@8_am /// 将错误信息记录到Win2000/NT事件日志中
A0Q`Aqs /// <param name="message">需要记录的文本信息</param>
\*&?o51!e /// </summary>
RU=\eD public static void WriteError(String message)
^s#+`Y05/ {
+_{cq@c WriteLog(TraceLevel.Error, message);
l =t/"M= }
j
sD]v)LB &Z3%UOY /// <summary>
;B;@MD,B /// 将警告信息记录到Win2000/NT事件日志中
xC9{hXg! /// <param name="message">需要记录的文本信息</param>
omGzyuPF /// </summary>
5JEOLPS public static void WriteWarning(String message)
j{'_sI{{ {
c|(J%@B) WriteLog(TraceLevel.Warning, message);
cIQbu#[@ }
^eyVEN IN@o9pUjV /// <summary>
4Y}Nu /// 将提示信息记录到Win2000/NT事件日志中
xAl8e
/// <param name="message">需要记录的文本信息</param>
R?;mu^B /// </summary>
,(Ol]W} public static void WriteInfo(String message)
{* :^K\- {
.p.(
\5Fo WriteLog(TraceLevel.Info, message);
=|``d- }
Dn@ZS _f /// <summary>
4F9!3[}qF /// 将跟踪信息记录到Win2000/NT事件日志中
t)Cf]]dV /// <param name="message">需要记录的文本信息</param>
,*dLE /// </summary>
hJ]Oa7r public static void WriteTrace(String message)
:<bhQY {
MUsF WriteLog(TraceLevel.Verbose, message);
~Kt1%&3{a? }
*r[V[9+y-D iNfAn& /// <summary>
l*OR{!3H$ /// 格式化记录到事件日志的文本信息格式
tc[z/ /// <param name="ex">需要格式化的异常对象</param>
Xp9I3nd| /// <param name="catchInfo">异常信息标题字符串.</param>
kS&>g /// <retvalue>
Hi=</ Wy; /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
ZfX$q\7 /// </retvalue>
akNqSZwj /// </summary>
LEeA ,Y public static String FormatException(Exception ex, String catchInfo)
Ha|}Oj
{
1KrJS(. StringBuilder strBuilder = new StringBuilder();
?T_MP" if (catchInfo != String.Empty)
m7y[Y {
\/<VJB
uV strBuilder.Append(catchInfo).Append("\r\n");
i0$*):b }
>W8"Ar strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
I/O/*^T return strBuilder.ToString();
.4R.$`z4 }
O=V_7I5 J<+f7L /// <summary>
tB"9%4]( /// 实际事件日志写入方法
Kcp YHWCa. /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
cQuL9Xo /// <param name="messageText">要记录的文本.</param>
fn,hP_ /// </summary>
#+l`tj4b/ private static void WriteLog(TraceLevel level, String messageText)
~a[/l {
a-E}3a try
Nj3iZD| {
0&|0l>wy. EventLogEntryType LogEntryType;
?R#$
c] switch (level)
KS93v9| {
3k9n*jY0 case TraceLevel.Error:
Nz.X$zUmY LogEntryType = EventLogEntryType.Error;
vE'{?C=EM break;
(1[59<cg] case TraceLevel.Warning:
z/xPI)R[ LogEntryType = EventLogEntryType.Warning;
f0sGE5 break;
D)ri_w!Q case TraceLevel.Info:
v.Q#<@B^: LogEntryType = EventLogEntryType.Information;
$ch`.$wx break;
}' AY#g case TraceLevel.Verbose:
$U]T8;5Q LogEntryType = EventLogEntryType.SuccessAudit;
NT*r7_e break;
#O}}pF default:
H(
i LogEntryType = EventLogEntryType.SuccessAudit;
nS%jnp# break;
D?1fY!C:r }
WM
?a1j ?=M?v;8 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
)xyjQ|b //写入事件日志
WV$CZgL eventLog.WriteEntry(messageText, LogEntryType);
rMx Iujx Mz6(M,hkq }
":Tm6Nj catch {} //忽略任何异常
Yu3S3aRE }
PtbaC6"\ } //class ApplicationLog
E^F<"mL* }
WsV"`ij# +n;nvf}( 12.Panel 横向滚动,纵向自动扩展
K1*V \WRW5 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
NY%=6><t! q[~+Zm 13.回车转换成Tab
_sqV@ J <script language="javascript" for="document" event="onkeydown">
LE+#%>z> if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
{xQ(xy event.keyCode=9;
K]>X31Ho </script>
B"Ttr+ 4nD U-P#f onkeydown="if(event.keyCode==13) event.keyCode=9"
Wo/LrCg =R||c 14.DataGrid超级连接列
q4KYC!b DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9:CM#N~?o hWiBLip,z 15.DataGrid行随鼠标变色
iR{*XE
private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
R?J=5tO {
7HEUmKb" if (e.Item.ItemType!=ListItemType.Header)
e-YMFJtoK} {
9Z. WR-} e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
l'#a2Pl e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
),U>AiF] }
Xs$UpQo
}
Qg
gx: ??? ;H 16.模板列
u*<knZ~ty <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
7\Wq :<JL <ITEMTEMPLATE>
Q1u/QA:z7 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
5VK.Zs\ </ITEMTEMPLATE>
*ta?7uSiT </ASP:TEMPLATECOLUMN>
;Km74!.e7 //-;uEO <ASP:TEMPLATECOLUMN headertext="选中">
629#t`W\ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
g+/m:(7[s| <ITEMTEMPLATE>
t(5PKD#~Dc <ASP:CHECKBOX id="chkExport" runat="server" />
o_on/{qz </ITEMTEMPLATE>
ffoLCx4o0E <EDITITEMTEMPLATE>
x10u?@ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
ibQN
p Iz </EDITITEMTEMPLATE>
\[W)[mH_ </ASP:TEMPLATECOLUMN>
/nVGr]t_pj )XoIb[s" 后台代码
N9gbj%+ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
;n;bap {
F4
:#okt //改变列的选定,实现全选或全不选。
4~mmP.c CheckBox chkExport ;
pn-`QB:{h if( CheckAll.Checked)
_/@u[dWeL {
oVja$;> foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
[X\~J &kD {
pF}WMt chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
T6fm`uL&L chkExport.Checked = true;
eeu;A,@U }
TjLW<D(i> }
\9T/%[r# else
s>1Wjz2M {
|%c"Avc foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
N
Obw/9JO {
\O(~:KN chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
B"=w9w] chkExport.Checked = false;
Gsa~zGN }
+/4wioGm }
Y]])Tq;h5 }
x4%1P w ?Oyps7hXx 17.数字格式化
|h* rkLY RSK5 }2 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
w <%#Container.DataItem("price","{0:¥#,##0.00}")%>
II)
K0< G"D=ozr int i=123456;
u;3wg`e string s=i.ToString("###,###.00");
&$8YW]1M W~qVZ(G*U 18.日期格式化
gjDxgNpa } za"rU 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
?3Y~q;I]O "1|\V.>>; 显示为: 2004-8-11 19:44:28
UNJAfr P }(/\vTn*1 我只想要:2004-8-11 】
jSd[ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
q!4eVg* ;\(X;kQi 应该如何改?
Ze"m;T Q]hl+C$d"/ 【格式化日期】
fe8}2#<o /wT<p 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
r}i}4K[1 s|\\"3 【日期的验证表达式】
=>htX(k} r<c&;* A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
vtF|:*h ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
X;7hy0Y L6Io u B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
UAe8Ct=YJ ^\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]))$
9|NH5A"H. Ld?'X=eQ 【大小写转换】
Yaj}_M- HttpUtility.HtmlEncode(string);
oe<DP7e HttpUtility.HtmlDecode(string)
Fxv5kho dCpDA a3 19.如何设定全局变量
5jAS1XG 6KDm#7J Global.asax中
wDDNB1_E SFR<T Application_Start()事件中
[,56oMd~ u~7fK 添加Application[属性名] = xxx;
y}1Pc* 6u>]-K5 就是你的全局变量
?&?5x%|.< )kD B*(? 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Z rv:uEl j]C}S*`" HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
K5!OvqzG L%jIU<?Z7 【ASPNETMENU】点击菜单项弹出新窗口
xVk5% +w/B3b 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
jN-!1O._G <?xml version="1.0" encoding="GB2312"?>
)H(i)$I <MenuData ImagesBaseURL="images/">
1my1m <MenuGroup>
-&l%CR,U <MenuItem Label="内参信息" URL="Infomation.aspx" >
X0Wx\xDg[ <MenuGroup ID="BBC">
'xLXj> <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Eq|5PE^7 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
C8x9 Jrc ......
ne:
'aq 60 %VG 最好将你的aspnetmenu升级到1.2版
.N7<bt@~) YSrjg|k* 21.读取DataGrid控件TextBox值
_F8THYg ( foreach(DataGrid dgi in yourDataGrid.Items)
U(Tl$#Bt {
)"Z6Q5k^ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Gt)ij?~ tb.Text....
JIIc4fyy8s }
EJ(36h {Fqwr>e 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?
K|Eelhm 3"juj' 〖思归〗
et"Pb_-U <asp:TemplateColumn HeaderText="数量">
n
=WH=:& <ItemTemplate>
ex
BLj
*] <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
C`R<55x6 onkeyup="javascript:DoCal()"
\t5_V)P />
S'\e"w ik#Wlz`4 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
bYoBJ
#UX </ItemTemplate>
na|sKE;{ </asp:TemplateColumn>
wqi0%Cu* 684|Uuf7 <asp:TemplateColumn HeaderText="单价">
k>\v]&|T` <ItemTemplate>
mz+UkA' <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
o2'Wu:Y" onkeyup="javascript:DoCal()"
/!MVpi'6& />
^/6P~iK' zvVo-{6 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
k'k}/Hxub Xhq6l3 M </ItemTemplate>
UhrRB </asp:TemplateColumn>
N.H<'Q8& 9K#3JyW* <asp:TemplateColumn HeaderText="金额">
];lZ:gT <ItemTemplate>
C JER&"em7 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
k}p8"'O </ItemTemplate>
Rk[a|T & </asp:TemplateColumn><script language="javascript">
ma+AFCi function DoCal()
d,?Tq {
UfPHV%Wd var e = event.srcElement;
0Sz[u\w var row = e.parentNode.parentNode;
J{.UUw9Agd var txts = row.all.tags("INPUT");
_Z!@#y@j if (!txts.length || txts.length < 3)
M2N8?Ycv3 return;
mL pM8~L A= 5Ebu!z var q = txts[txts.length-3].value;
0#Lmajs var p = txts[txts.length-2].value;
M;,$
)>P \Dy|}LE if (isNaN(q) || isNaN(p))
yk)]aqic return;
DJ@n$G`^^ FOk;=+ q = parseInt(q);
4l%1D.3-O p = parseFloat(p);
\0d'y#Gp* nvT@'y+ txts[txts.length-1].value = (q * p).toFixed(2);
[5& nH@og }
BjsT 9?6W/ </script>
R6Ov giX[2`^NG [)1vKaC 8"9&x}
tl- |[IyqWG9 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
w\YS5!P,V page_load
`H6~<9r page.smartNavigation=true
a
\1QnCy &.\7='$F 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 ?
jt on \9 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
T1$E][@Iv {
6<<"9mxK for(int i=0;i<e.Item.Cells.Count-1;i++)
kuy?n-1g if(e.Item.ItemType==ListItemType.EditType)
wuA?t {
<cp9+P < e.Item.Cells.Attributes.Add("Width", "80px")
uW(-? }
]|.ked }
0DmA3 c\1X NPGG 26.对话框
=+Fb\HvX{ private static string ScriptBegin = "<script language=\"JavaScript\">";
d@$|zr6 private static string ScriptEnd = "</script>";
z{
:;Rb 3T F_$bd{ public static void ConfirmMessageBox(string PageTarget,string Content)
0_gN]>,9n {
2URGd#{VQ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
iVI& su1lv# ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
+ U5Q/g }q.D)'g_ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
FN-/~Su~J ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
0% rDDB //Response.Write(strScript);
dZ`Y>wH_ }
/'rj L<M pT]hPuC 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
B>^6tdz mvEhP{w 1.1 取当前年月日时分秒
A-CU%G9 currentTime=System.DateTime.Now;
0Idek vPNbV 1.2 取当前年
[Y
.8C$0 int 年= DateTime.Now.Year;
5qtk#FB @(sz " 1.3 取当前月
ZL6HD n! int 月= DateTime.Now.Month;
E(r_mF7: Xxg|01 1.4 取当前日
/grTOf& int 日= DateTime.Now.Day;
.*-8rOcc <T}U 3lL^ 1.5 取当前时
M%S7cIX
]F int 时= DateTime.Now.Hour;
F]
c\Qt %R c#/y 1.6 取当前分
(u@:PiU/eP int 分= DateTime.Now.Minute;
@s LN k<< x}= 1.7 取当前秒
c4tw)O-X int 秒= DateTime.Now.Second;
eJ?oz^ mAW.p=; 1.8 取当前毫秒
9p W~Gz int 毫秒= DateTime.Now.Millisecond;
t`Z'TqP R m)tu~neM 28.自定义分页代码:
O+}py{ st oe*1jR_J`[ 先定义变量 :
R.^]{ 5 public static int pageCount; //总页面数
.Fo#Dmq3 public static int curPageIndex=1; //当前页面
c;VqEpsbl GTP'js 下一页:
G"<#tif9K if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
h3?>jE=H {
+8Lbz^# DataGrid1.CurrentPageIndex += 1;
|4df) curPageIndex+=1;
g<j) }
m)Plv+R} q?}C`5%D bind(); // DataGrid1数据绑定函数
Y2r}W3F= FiUQ2w4 上一页:
&: Q'X if(DataGrid1.CurrentPageIndex >0)
tMxde+$y {
pm6#azQ DataGrid1.CurrentPageIndex += 1;
?})A-$f ~ curPageIndex-=1;
U~x]2{} }
V`I4"}M1 *S,~zOYN bind(); // DataGrid1数据绑定函数
|7|S>h^ *fg2bz<~[B 直接页面跳转:
N:lfKI int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
C"I
jr=w W@d&X+7e if(a<DataGrid1.PageCount)
l f>/ {
mku@n;Hl_ this.DataGrid1.CurrentPageIndex=a;
Q~,Mzt"}W }
5BVvT
`< *Al@|5 bind();
o2!738 \&Yn)|! 29.DataGrid使用:
[}L~zn6>?a 1/}H
0\9' 添加删除确认:
}+@9[Q
L private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
gm9*z.S\' {
*#=Ij r~ foreach(DataGridItem di in this.DataGrid1.Items)
#3&@FzD_P {
Nr4}x7 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
o[ 5dR< {
QOWGQl%! ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
'(vZfzc{J }
K%z!#RyJ4 }
CWdsOS= }
YG\#N+D BSm"]!D8* 样式交替:
<],{at` v ListItemType itemType = e.Item.ItemType;
PT/Nz+ JEto_&8,C if (itemType == ListItemType.Item )
:HY$x {
^')8-aF
. e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
"Rj
PTRe: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
?ko#N?hgI }
`5Y*)
q else if( itemType == ListItemType.AlternatingItem)
(y9KO56.V& {
2 @#yQB1 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
t`o"K e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
p2STy\CS }
KFrsXf EFX2>&mWo8 添加一个编号列:
3aqH!?rVU DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Df6i*Ko| DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
;.}L#'0j im>(^{{r& for(int i=0;i<dt.Rows.Count;i++)
Ju+3} {
wps/{h, dt.Rows["number"]=(i+1).ToString();
GHv6UIe& }
)@wC6Ij Ud/>oaW?s DataGrid1.DataSource=dt;
](r}`u%}y DataGrid1.DataBind();
_o~ pVBl/ L)'G_)Sl DataGrid1中添加一个CheckBox,页面中添加一个全选框
:;%Jm private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
r^
r+h[V {
!f~a3 {;j foreach(DataGridItem thisitem in DataGrid1.Items)
^+(5[z {
Myc-lCE ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
K,S4 }
T<]{:\*n }
%1#\LRA( YmljHQP 将当前页面中DataGrid1显示的数据全部删除
!u7KgB<=/F foreach(DataGridItem thisitem in DataGrid1.Items)
";/]rwHa) {
A]bb*a1 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
* F!B4go {
k{vj,# string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
=3(v4E':5 Del (strloginid); //删除函数
>iTmILA }
v47' dC }
W2{w<<\$3} OX"Na2-el 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)
t'_EcYNS D,IT>^[^7 在Application_Start中添加以下代码:
vQ<
~-E Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
J4qk^1m. AppSettings["ConnStr"].ToString();
FVXsu!R Xqf\}p n 31. 变量.ToString()
jIKg* @ u7e$Mq 字符型转换 转为字符串
SQ)BS/8A 12345.ToString("n"); //生成 12,345.00
5*z>ez2YQ7 12345.ToString("C"); //生成 ¥12,345.00
67EGkW?hbt 12345.ToString("e"); //生成 1.234500e+004
=1[_#Moc6 12345.ToString("f4"); //生成 12345.0000
YdD; Qx#O 12345.ToString("x"); //生成 3039 (16进制)
9~V'Wev 12345.ToString("p"); //生成 1,234,500.00%
s9C^Cy^su qT?{}I 32、变量.Substring(参数1,参数2);
e=LrgRy+ Ug*B[q/ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
89d%P
J0 ~ZafTCa; 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
rQv5uoD <SCRIPT language="javascript">
v7(7WfqP <!--
Mmz;
uy_ function gook(pws)
| V(sCF {
Lv+{@) frm.submit();
A^aY-V }
Q7x[08TI //-->
8cO?VH,nk hT%fM3|,e </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
-#I]/7^ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
"e-z2G@z <tr>
ztU"CRa8 <td>
2wpJ)t*PF <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
J *LPv9) <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
=*fq5v <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
U_VP\ 03 ";U~wZW_ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Wu4Lxv]B4 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
:ba5iMa Cmc3k,t </td>
\
[a%('} !rqF}d </tr>
c478P=g=5 5:'hj$~|\1 </form>
TMYd47 w@N 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。
ByCnD ^Z:~91Tv-_ 下面是获取用户输入的登陆信息的代码:
(SKVuR%Jj string name;
2W4qBaG$= name=Request.QueryString["EmailName"];
3B1cb[2y @}u9Rn*d; try
4;2< ^[M {
e^.Fa59 int a=name.IndexOf("@",0,name.Length);
zbq@pj)Qu f_user.Value=name.Substring(0,a);
Yo[;W
vu f_domain.Value=name.Substring(a+1,name.Length-(a+1));
ULQMG'P^D f_pass.Value=Request.QueryString["Psw"];
Fd0%lnui }
tKpmm`2 o7|eMe?<t catch
-wjN"g< {
D9z|VIw8 Script.Alert("错误的邮箱!");
,_Z+8 Server.Transfer("index.aspx");
L:FoSCN Y( }