1. 打开新的窗口并传送参数:
I$yFCd Xr Vz4/u|gt 传送参数:
,v^A;,q response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
{nQ?+o3 2H\}N^;f 接收参数:
8kn> ? string a = Request.QueryString("id");
X8m@xFW} string b = Request.QueryString("id1");
(tG8HwV- 5t('H`,2 2.为按钮添加对话框
wAt|'wP
: Button1.Attributes.Add("onclick","return confirm(’确认?’)");
,hO*W-a%1 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
;iB9\p$K) 4\?z^^ 3.删除表格选定记录
UYLCzv~W int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
{Sl#z}@s string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
w^BF.Nu C_5o&O8Bc 4.删除表格记录警告
Ufw_GYxan private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
kh7RQbNY<I {
([g[\c,H switch(e.Item.ItemType)
kJP`C\4}f {
A[7\!bq5 case ListItemType.Item :
p"'knZG case ListItemType.AlternatingItem :
&|]GTN`E case ListItemType.EditItem:
8D]&wBR: TableCell myTableCell;
9-B/n0 myTableCell = e.Item.Cells[14];
`#g62wb,HY LinkButton myDeleteButton ;
\}Hi\k+h': myDeleteButton = (LinkButton)myTableCell.Controls[0];
>_3P6-L> myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
,_wpYTl*X break;
.<fn+] default:
r]+/"~a break;
Q
L 1e }
0pfgE=9 I-glf?F) }
x^sSAI( l.>3gjr 5.点击表格行链接另一页
A r=P;6J private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
v ?Ds| {
UR{OrNg* //点击表格打开
s@$SM,tnn if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
s!g06F e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
59R%g .2Y }
>Tf <8r, TWU[/>K 双击表格连接到另一页
+hZ{/ qpEK36Js 在itemDataBind事件中
/s~(? =qYH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@r130eLh {
> r
%:!o string OrderItemID =e.item.cells[1].Text;
|XrGf2P9u ...
:q>uj5% e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
q2{Aq[ }
$wm.,Vb
N9S?c 双击表格打开新一页
Jx+e_k$gHO if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
[<nmJ-V {
C
CDO8 string OrderItemID =e.item.cells[1].Text;
{SRv=g ...
Efa3{
7>{ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
fD* ?JzVY }
qx'F9I O$*\JL ★特别注意:【?id=】 处不能为 【?id =】
yDORL|
E' 6.表格超连接列传递参数
?PSJQ3BC| <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
6Zx'$F.iqK <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
:OKU@l| 'Szk!,_ 7.表格点击改变颜色
@{ CP18~: if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
F2^qf {
(~Hwq:=. e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
uS|f|)U& this.style.color=’buttontext’;this.style.cursor=’default’;");
T/Bx3VWL }
1nZ7xCDK98 4qKMnYR 写在DataGrid的_ItemDataBound里
Ly~s84k_po if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
cT.8&EEW {
)e?6 Ncy e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
6j6P&[ this.style.color=’buttontext’;this.style.cursor=’default’;");
&0Bs?oq_ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
y,F|L?dIq }
/ReOf<%B (GJX[$@ 6DxT(VU} 8.关于日期格式
pKzrdw-! [ApAd 日期格式设定
08W^ DataFormatString="{0:yyyy-MM-dd}"
5uAUi=XA>S ;kLp}CqV 我觉得应该在itembound事件中
1
F+$\fLr e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
k%K\~U8" UNhM:!A 9.获取错误信息并到指定页面
W*Gp0pX bBp('oEJu 不要使用Response.Redirect,而应该使用Server.Transfer
m^%Xl@V:c- z#Cgd-^7.# e.g
_s~F/G`iT // in global.asax
+*=?0 \ protected void Application_Error(Object sender, EventArgs e) {
dz"HO!9 if (Server.GetLastError() is HttpUnhandledException)
{^N90,! Server.Transfer("MyErrorPage.aspx");
5X}OUn8 Dy|DQ> ?} //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Q3 9;bz }
}Zp5d7(@w b l]YPx8 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
<;q)V%IUz ;yDXo\gm 10.清空Cookie
lfe^_`ij(+ Cookie.Expires=[DateTime];
'l41];_ Response.Cookies("UserName").Expires = 0
;Ebpf J &^JYIRn1\ 11.自定义异常处理
f'& //自定义异常处理类
lFc4| _c g using System;
pWN5 >HV using System.Diagnostics;
n1@ Or=5 Mw{skK>b namespace MyAppException
wg{Y6XyH {
Mb\[` 4z /// <summary>
/>[~2d
kb /// 从系统异常类ApplicationException继承的应用程序异常处理类。
vy{YGT /// 自动将异常内容记录到Windows NT/2000的应用程序日志
x5YHmvy/l /// </summary>
S+M:{<AR public class AppException:System.ApplicationException
n||!/u)* {
<^YZ#3~1T public AppException()
3@^b's'S|} {
!k0t
(. if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
L~} 2&w }
X0zE-h6P TM$Ek^fQ. public AppException(string message)
mqv!"rk'w {
I3D#wXW LogEvent(message);
//H3{^{ }
ba"a!#wA xO XCCf/ public AppException(string message,Exception innerException)
Fwfe5`9' {
+Heen3 LogEvent(message);
>a5avSn if (innerException != null)
tX.{+yyU {
3I.0uLjg^ LogEvent(innerException.Message);
oQ_n:<3X }
cwKOE?! }
K}YOs. ?Ulc`-d //日志记录类
V[BlT|t using System;
dD}!E using System.Configuration;
#^;^_ using System.Diagnostics;
8-
]7>2?_ using System.IO;
WA 79(B using System.Text;
G)wIxm$?0 using System.Threading;
_=oNQ gKay3}w namespace MyEventLog
n:5*Tg9 {
zV=(e( [ /// <summary>
6P:H` /// 事件日志记录类,提供事件日志记录支持
$[-{Mm /// <remarks>
C%+>uzVIw /// 定义了4个日志记录方法 (error, warning, info, trace)
^_^rI+cTX1 /// </remarks>
"yV)&4) /// </summary>
Y'S9
public class ApplicationLog
X>6VucH{\ {
g+iV0bbT /// <summary>
`%M}
:T /// 将错误信息记录到Win2000/NT事件日志中
QWWoj[d# /// <param name="message">需要记录的文本信息</param>
gHzjI[WI /// </summary>
L7qlvS Q public static void WriteError(String message)
>5!/&D.q {
qnZ`]? WriteLog(TraceLevel.Error, message);
bUi@4S }
3kBpH7h4 .+cYzS]! /// <summary>
JI}p{yI /// 将警告信息记录到Win2000/NT事件日志中
DLrG-C33 /// <param name="message">需要记录的文本信息</param>
/+F|+1 /// </summary>
F ttny] public static void WriteWarning(String message)
4ng*SE_ {
pd{;`EW| WriteLog(TraceLevel.Warning, message);
%C8fv|@:f }
>
AV
R3b jn;b{*Lf /// <summary>
]\:FFg_O6t /// 将提示信息记录到Win2000/NT事件日志中
{\HE'C/? /// <param name="message">需要记录的文本信息</param>
6@HY+RCx /// </summary>
tKUy&]T public static void WriteInfo(String message)
,-XJ@@2gM {
t(:6S$6{e WriteLog(TraceLevel.Info, message);
NR)[,b\v }
Eh)VU_D /// <summary>
"rA:;ntz /// 将跟踪信息记录到Win2000/NT事件日志中
fJ3qL#' /// <param name="message">需要记录的文本信息</param>
?ixzlDto\ /// </summary>
\T_?<t,UT public static void WriteTrace(String message)
?JD\pYg[/ {
!u#o"e<qh WriteLog(TraceLevel.Verbose, message);
f-tV8 }
db!2nImNu\ }PY?
ZG /// <summary>
m&Mvb[ /// 格式化记录到事件日志的文本信息格式
=c8U:\0 /// <param name="ex">需要格式化的异常对象</param>
'#.:%4 /// <param name="catchInfo">异常信息标题字符串.</param>
rS
4'@a /// <retvalue>
6YZ&>`a^ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
N2_ =^s7 /// </retvalue>
VM3H&$d(h /// </summary>
NOa.K)^k public static String FormatException(Exception ex, String catchInfo)
NB&u^8b {
| We @p StringBuilder strBuilder = new StringBuilder();
e-os0F if (catchInfo != String.Empty)
1*x4T%RF$ {
H\3CvFm strBuilder.Append(catchInfo).Append("\r\n");
m(3bO[u1 }
t747SZWgB strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
vN7ihe[C return strBuilder.ToString();
{fMrx1 }
o+O\VNW 8[FC /// <summary>
FK#>E[[ /// 实际事件日志写入方法
[21tT/ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
~::gLm+f /// <param name="messageText">要记录的文本.</param>
9&W\BQ /// </summary>
=k[!p'~jD private static void WriteLog(TraceLevel level, String messageText)
3RRZVc*
^ {
cQv*lvG9> try
`4&\ %9 {
fXw%2wg EventLogEntryType LogEntryType;
+WwQ!vWWd switch (level)
-c=IO(B/ {
T[XI case TraceLevel.Error:
o0wep&@ LogEntryType = EventLogEntryType.Error;
w'5~GhnP+ break;
xL>0&R case TraceLevel.Warning:
i*Y/q-N| LogEntryType = EventLogEntryType.Warning;
't{=n[ break;
U&Ay3/ case TraceLevel.Info:
\+MR`\|3 LogEntryType = EventLogEntryType.Information;
aG\m3r break;
0{PK]qp7 case TraceLevel.Verbose:
`>8| LogEntryType = EventLogEntryType.SuccessAudit;
n37( sKG break;
(U`7[F default:
X5U!25d] LogEntryType = EventLogEntryType.SuccessAudit;
5H 1(C#| break;
nL+*Ja }
7B%@f9g (7ew&u\Li EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
cp?`\P //写入事件日志
f8?K_K;\ eventLog.WriteEntry(messageText, LogEntryType);
YQN=.Wtc J&a887 }
=WEfo; catch {} //忽略任何异常
;gm){ g }
&,&+/Sr11 } //class ApplicationLog
~.x!st} }
@-b}iP<T {=g-zsc]K 12.Panel 横向滚动,纵向自动扩展
?EX'j
> <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
r 'jVF'w _n}!1(xYa` 13.回车转换成Tab
z7P PwTBa <script language="javascript" for="document" event="onkeydown">
x\Sp~]o3C if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
X\%],"9% event.keyCode=9;
{b<8Z*4W </script>
{.,OPR"\ ydns_Z onkeydown="if(event.keyCode==13) event.keyCode=9"
#zy,x _-8,}F}W#s 14.DataGrid超级连接列
7FDraEr#f DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
T>uLqd{hH )cqhbR 15.DataGrid行随鼠标变色
syZ-xE]} private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
}(tGjx] {
yJp&A if (e.Item.ItemType!=ListItemType.Header)
6!"15dPN {
ZTmdS e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Z@ws,f^e e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
v8%]^` ' }
i^IvT }
KFV]2mFN wqGZkFg1 16.模板列
u8<=FV3 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
x:2[E- <ITEMTEMPLATE>
9i`LOl:; <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
tIr66'8 </ITEMTEMPLATE>
3mJHk<m8T </ASP:TEMPLATECOLUMN>
]owH [wvX r>)\"U# <ASP:TEMPLATECOLUMN headertext="选中">
>Le
mTr <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Oy|9po <ITEMTEMPLATE>
e8lF$[i <ASP:CHECKBOX id="chkExport" runat="server" />
Q49|,ou[H </ITEMTEMPLATE>
\:=Phbn <EDITITEMTEMPLATE>
&e rNVD5o <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
5;^8wh( </EDITITEMTEMPLATE>
84knoC </ASP:TEMPLATECOLUMN>
ev?>Nq+Z '[-/Xa[' 后台代码
ttw@nv%
@ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
yQx>h6 {
;:!LAe
//改变列的选定,实现全选或全不选。
S$H4xkKs CheckBox chkExport ;
&1[5b8H;+ if( CheckAll.Checked)
Xl aNR+ {
%eah=e foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
lT:<ZQyjT {
8D n]`}ok chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
r=w%"3vb^ chkExport.Checked = true;
7]v-2
* }
wM&G-~9ujk }
+.R-a+y3 else
8p211MQ< {
Z0'3.D,l foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Rp<Xu6r {
rb_G0/R chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
)T3wU~% chkExport.Checked = false;
v[|iuOU }
9]YmP8 }
cQ8:;-M }
\ D[BRE+ vB
Jva8;Q 17.数字格式化
16+@#d%#p @KpzxcEoO 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
l1:j/[B= <%#Container.DataItem("price","{0:¥#,##0.00}")%>
/.?\P#9) DuE>KX{<!R int i=123456;
{0LdLRNZ string s=i.ToString("###,###.00");
UF{2Gx ,\m c.80 18.日期格式化
.U3p~M+ f*5"Jh@ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
v8 X&H ?)X@4Jem 显示为: 2004-8-11 19:44:28
W#wM PsB "Dk:r/ 我只想要:2004-8-11 】
Ww p^dx`! <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
<Q0&[q;Z Yx%%+c?. 应该如何改?
`Q8 D[ Z
kS*CG 【格式化日期】
Kq?7#,_ 4J_%quxO 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
1)R)+`y z%KChU 【日期的验证表达式】
qb<gh D=j H xlw1(zS A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
1,QRfckks ^((\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})))?$
Xm4wuX"e= Mm;)O'XDE B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
S&Sf}uK ^\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]))$
zXD@M{
4[ra 【大小写转换】
S'O0'5U@ HttpUtility.HtmlEncode(string);
;E&XFTdO HttpUtility.HtmlDecode(string)
3q>"#+R.t R3PhKdQ" 19.如何设定全局变量
+{I\r| 'KL(A-}! Global.asax中
\\qg2yI ayD\b6Z2. Application_Start()事件中
[GuDMl3hC \f
LBw0 添加Application[属性名] = xxx;
C;5}/J^E 1fy{@j(W 就是你的全局变量
UE4#j\ pUr[MnQLf 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
7" [;M ts]7 + 6V HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
x\DkS,O ' 7A7HDJ 【ASPNETMENU】点击菜单项弹出新窗口
_#O?g=1 >+#[O" 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
JW\"S <?xml version="1.0" encoding="GB2312"?>
+Xp;T`,v <MenuData ImagesBaseURL="images/">
-AT@M1K7% <MenuGroup>
jveRiW@ <MenuItem Label="内参信息" URL="Infomation.aspx" >
@\y7
9FX <MenuGroup ID="BBC">
P1QJ'eC;T <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
{dwV-qz <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
q T].,? ......
`9+EhP$RS 3EvA 5K. 最好将你的aspnetmenu升级到1.2版
#+;=ijyF taQ[>x7b 21.读取DataGrid控件TextBox值
6`C27 foreach(DataGrid dgi in yourDataGrid.Items)
7|-xM>L$A {
$ZRN#x@ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
zEW:Xe) tb.Text....
fq|2E&&v }
_&/Zab5
%\cC]<> 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
@nP}q!y {Y[D!W2y 〖思归〗
DVJc-.x8 <asp:TemplateColumn HeaderText="数量">
q UnFEg <ItemTemplate>
arP+(1U <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
pqSE|3*l onkeyup="javascript:DoCal()"
pJz8e&wyLM />
{yHfE, L\ %_<2 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
xgz87d/<: </ItemTemplate>
|^Es6 .~ </asp:TemplateColumn>
-z$0S%2? .;b>
T <asp:TemplateColumn HeaderText="单价">
uKy *N*} <ItemTemplate>
6iG<"{/U5 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
ib_Gy77Os onkeyup="javascript:DoCal()"
X6 ,9D[Nw />
^wa9zs2s;/ <k](s <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
0EOX@;} q4i8Sp> </ItemTemplate>
j6vZ{Fx;w </asp:TemplateColumn>
$:[BB,$ #!jRY!2Vt <asp:TemplateColumn HeaderText="金额">
>!1 f` <ItemTemplate>
s8[9YfuW <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
e<4z) </ItemTemplate>
?+5{HFx </asp:TemplateColumn><script language="javascript">
I_G>W3 function DoCal()
!&O/7ywe {
A#X.c= var e = event.srcElement;
*BsDHq-F~ var row = e.parentNode.parentNode;
C|\^uR0 var txts = row.all.tags("INPUT");
d~jtWd|? if (!txts.length || txts.length < 3)
2\{uqv return;
Db=>7@h3C S=,1}
XZ var q = txts[txts.length-3].value;
$ud>Z;X=P var p = txts[txts.length-2].value;
1gm/{w6O O&w3@9KJ? if (isNaN(q) || isNaN(p))
l;*lPRoW, return;
1bg@[YN!; \GvY`kt3 q = parseInt(q);
AvE^
F1 p = parseFloat(p);
8(5E<&JP q7&yb.<KD. txts[txts.length-1].value = (q * p).toFixed(2);
I#t9aR+& }
H?j-=Zka </script>
4AOS}@~W U;{,lS2l MQ(/l_=zQ _(`X .D mN{ajf)@ 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。
s}#[*WOc page_load
9c{%m4 page.smartNavigation=true
`A'I/Hf5 v^W?o}W 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 ?
IIQ3|eZ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
u rXb!e{l {
fslk7RlSKg for(int i=0;i<e.Item.Cells.Count-1;i++)
NzAtdcwR if(e.Item.ItemType==ListItemType.EditType)
$Kz\
h#} {
NB5L{Gf6- e.Item.Cells.Attributes.Add("Width", "80px")
OF<n T }
@MZ6E$I }
W(a'^
#xe 62)lf2$1 26.对话框
QP5:M!O<) private static string ScriptBegin = "<script language=\"JavaScript\">";
C}=_8N private static string ScriptEnd = "</script>";
h2|vB+W- 9U9c"'g public static void ConfirmMessageBox(string PageTarget,string Content)
V,XP&,no\j {
;Nf hKu%K string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
7lDaok )SL@>Cij ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
~|Ih
JzDt "aWX:WL&}s Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
ONN{4&7@< ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
#4_O;]{' //Response.Write(strScript);
7tl)4A6 }
k]$E8[.t _c9
WWp? 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
\e:FmG Wqs.oh 1.1 取当前年月日时分秒
[> &+*c currentTime=System.DateTime.Now;
udEb/7ZL Fm$n@RbX 1.2 取当前年
L2>?m`wp int 年= DateTime.Now.Year;
h w ;d m *T>#zR{ 1.3 取当前月
;8L+_YCa int 月= DateTime.Now.Month;
ADyNNMcx Tt <-<oyU. 1.4 取当前日
_WDBG int 日= DateTime.Now.Day;
0J:U\S 1x\W521 1.5 取当前时
)1Ma~8Y%r int 时= DateTime.Now.Hour;
Nx4DC c;21i;&,9 1.6 取当前分
7o965h int 分= DateTime.Now.Minute;
>^T,U0T]) |P. = 1.7 取当前秒
F@_Egi int 秒= DateTime.Now.Second;
;H
y!0n E%k ]cZ 1.8 取当前毫秒
`FYtiv?G int 毫秒= DateTime.Now.Millisecond;
9Nag%o{*S> o^_W $4Fc 28.自定义分页代码:
L^5&GcHP0 @}&,W
N% 先定义变量 :
3d#9Wyxs public static int pageCount; //总页面数
U=c5zrs public static int curPageIndex=1; //当前页面
^b"x|8 o}mhy`} 下一页:
vbWJhjK0h if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
o]|oAN9 {
lrmt)BLoh DataGrid1.CurrentPageIndex += 1;
VRd:2uDS curPageIndex+=1;
2w x[D }
~b>nCP8q %qNj{<& bind(); // DataGrid1数据绑定函数
5&n988gC8 NWQPOq# 上一页:
p-T~x$"c| if(DataGrid1.CurrentPageIndex >0)
2[8fFo> {
de=5=>P7 DataGrid1.CurrentPageIndex += 1;
U5On-T5 curPageIndex-=1;
g/U$!d_ }
9{9#AI.G }j5R@I6P bind(); // DataGrid1数据绑定函数
[.#p f
gK2.;> 直接页面跳转:
{p#l!P/ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
K)9j
je taWirqd9 if(a<DataGrid1.PageCount)
8"?Vcw& {
SgCqxFii this.DataGrid1.CurrentPageIndex=a;
r{R[[]p }
w!B,kqTG )T.pjl bind();
6:|!1Pg5 <i{m.pR> 29.DataGrid使用:
8`AcS|k 9&[)(On74 添加删除确认:
fR]p+\#8u* private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
E,*JPK-A x {
!~lVv&YO foreach(DataGridItem di in this.DataGrid1.Items)
3P+4S|@q(4 {
3xmiX{1e if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
r%Q8)nEo {
.\ ;l-U ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
f7_\).T }
L;.VEz! }
-A~;MGY }
Z%Tq1O a!c/5)v( 样式交替:
eEW roF ListItemType itemType = e.Item.ItemType;
r%g
<hT 8 E(aX4^]g if (itemType == ListItemType.Item )
" ;-{~ {
*/%$6s~ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
~4MtDf e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
g( ]b\rj }
8Z9MD<RLw else if( itemType == ListItemType.AlternatingItem)
~h>rskJ_ {
m6bWmGnGC e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
.KT 7le<Zm e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
hV3,^#9o }
'WKu0Yi^' "B|nh d 添加一个编号列:
}|Hw0z P. DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
8Ehy9< DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
G?Qe"4
. L?3VyBE for(int i=0;i<dt.Rows.Count;i++)
l]a^"4L4`o {
lF;ziF dt.Rows["number"]=(i+1).ToString();
Z #.GI }
"J]f0m= 4 o3)* DataGrid1.DataSource=dt;
aNOAu/ DataGrid1.DataBind();
&K9VEMCEX ".~MmF DataGrid1中添加一个CheckBox,页面中添加一个全选框
5z9r S< private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
T!m42EvIvE {
$\0cJCQ3 foreach(DataGridItem thisitem in DataGrid1.Items)
jHkyF`<+ {
fap|SMGt ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
9l]UE0yTL/ }
v?Z'[l }
i>ESEmb- >VRo|o<D 将当前页面中DataGrid1显示的数据全部删除
ax-=n ( foreach(DataGridItem thisitem in DataGrid1.Items)
^;V}l?J_s {
QE7+rBa if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
0=N4O!X9 {
vbr~<JT= string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
'P@=/ Del (strloginid); //删除函数
ucQezmie }
G*)s%2c>h }
zrLhQ3V#> YYTO,4 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)
&GXtdO>;Zv pj!k|F9 在Application_Start中添加以下代码:
W@:^aH Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
z{Hz;m:*_ AppSettings["ConnStr"].ToString();
$?H]S]#|}. M?E9N{t8)a 31. 变量.ToString()
_Ct}%-,4 EsT0"{ 字符型转换 转为字符串
ggrI>vaw 12345.ToString("n"); //生成 12,345.00
j G+T. 12345.ToString("C"); //生成 ¥12,345.00
R19'|TJ 12345.ToString("e"); //生成 1.234500e+004
qJ\X~5{ 12345.ToString("f4"); //生成 12345.0000
Z7`5x 12345.ToString("x"); //生成 3039 (16进制)
8pXfT%] 12345.ToString("p"); //生成 1,234,500.00%
mBw2 umJay/> 32、变量.Substring(参数1,参数2);
Ix( 6 P/FrE~ 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);
y\[L?Rmd i0ILb/LS 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)
3cmbK <SCRIPT language="javascript">
5|yZEwq <!--
!Bag}|# function gook(pws)
=L:[cIRrT; {
Ly^E& ,) frm.submit();
Wl,%&H2S< }
I'x$,s //-->
Q<z)q<e IetCMp </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
eA`]KalH <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
E2>im>p <tr>
t@X M /=d <td>
3wV86tH% <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
^it4z gx@ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
=fY lzZh <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
n(Qj||: 0Wa#lkn$I <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
g;$E1U=R-E <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
HkW/G[7x& lTn;3' </td>
Q]!6uA$A cL6 6gOEL </tr>
wG_4$kyj Sq?,C&LsA </form>
EJO.'vQ 4;?1Kb# 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
?A|zRj{ <MRC%!. 下面是获取用户输入的登陆信息的代码:
fW(; string name;
*zJD$+Fo name=Request.QueryString["EmailName"];
#]"/{Z 1Pu
, :Jt try
DKR<W.!*t {
OdO{xG G@ int a=name.IndexOf("@",0,name.Length);
{PL,VY)Z f_user.Value=name.Substring(0,a);
baqn7k" f_domain.Value=name.Substring(a+1,name.Length-(a+1));
7^HpVcSM f_pass.Value=Request.QueryString["Psw"];
rZ pbu>S }
C=8H)Ef,l 8a7YHUL<3i catch
QT_Srw@ {
L+_8QK < Script.Alert("错误的邮箱!");
wbBE@RU>! Server.Transfer("index.aspx");
TV?
^c?{5 }