1. 打开新的窗口并传送参数:
F_F02:t &OsO _F 传送参数:
V;29ieE! response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3>QkO.b #%7)a; ' 接收参数:
(5a:O (\r string a = Request.QueryString("id");
dTZ$92< string b = Request.QueryString("id1");
a]nK!;>$ ?/|KM8 2.为按钮添加对话框
H5>?{(m Button1.Attributes.Add("onclick","return confirm(’确认?’)");
a&RH_L jM button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
)9i$ 1"a( MUn(ZnQy| 3.删除表格选定记录
|ya.c\}q int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
#pcgfVl string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
W`v$-o- @8*lqV2 4.删除表格记录警告
#+#^cqjZ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
AF\Jh+ynT! {
e2qSU[ switch(e.Item.ItemType)
A<''x'\/ {
gy>B
5ie case ListItemType.Item :
5.d[C/pRw case ListItemType.AlternatingItem :
sOVU>tb\' case ListItemType.EditItem:
L Q0e@5 TableCell myTableCell;
l}SHR|7< myTableCell = e.Item.Cells[14];
7>lM^ :A LinkButton myDeleteButton ;
.F},Z[a& myDeleteButton = (LinkButton)myTableCell.Controls[0];
T/]f5/ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
.tcdqL-' break;
T.}Y&,n$$5 default:
@ Fkhida break;
rld8hFj }
_;M3=MTM9 ,pIh.sk7s* }
/mXxj93UA lFl(Sww!\ 5.点击表格行链接另一页
#/B g5: private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Bmt^*;WY+ {
iD*L<9 //点击表格打开
-}_1f[b if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
pO92cGJ8 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
y*%uGG5 }
BU#3fPl 3$ wK*xK 双击表格连接到另一页
CEW1T_1U<\ LXqPNVp# 在itemDataBind事件中
EF6h>"']/ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Cxeam"-HTt {
H*e +
2 string OrderItemID =e.item.cells[1].Text;
+z4E:v ...
&`oybm-p( e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
TV=K3F5)M }
McpQ7\*h ocu,qL)W 双击表格打开新一页
m?kyAW'| if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Dxy^r*B {
t)1`^W} string OrderItemID =e.item.cells[1].Text;
1yVhO2`7] ...
w2db=9 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
j#0JD!Vr }
||?@pn\ !Au#j^5K-o ★特别注意:【?id=】 处不能为 【?id =】
Q(36RX%@ 6.表格超连接列传递参数
Q':hmulT! <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
o7t{?| <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
P ^ 4 @ bQ(-M: 7.表格点击改变颜色
@fb"G4o`: if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|{v#'";O: {
$,yAOaa e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
v&bG`\ ! this.style.color=’buttontext’;this.style.cursor=’default’;");
oKb"Ky@s }
T+^c=[W c]zFZJ6M 写在DataGrid的_ItemDataBound里
3{fg3? if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
W.NZ%~|+e/ {
uFhaN\S e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
=r*Ykd;W|E this.style.color=’buttontext’;this.style.cursor=’default’;");
'%82pZ,? e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
GC:q6} }
kg
8Dn ,yA[XAz~U X8">DR&>Y 8.关于日期格式
Qz3Z_V4k9 DS<1"4 b| 日期格式设定
6t6Z&0$h~ DataFormatString="{0:yyyy-MM-dd}"
>F7w]XH )ODF6Ag 我觉得应该在itembound事件中
BVNW1<_: e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
GWnIy6TH l fI613ww] 9.获取错误信息并到指定页面
S{rltT- T)rE#"_]{ 不要使用Response.Redirect,而应该使用Server.Transfer
.p&@;fZ \=AA,Il e.g
/|1p7{km // in global.asax
_1p8(n protected void Application_Error(Object sender, EventArgs e) {
Nr4:Gih if (Server.GetLastError() is HttpUnhandledException)
" B#|C' Server.Transfer("MyErrorPage.aspx");
t'rN7.d ["Ltqgx //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
?pTX4a&> }
;Y$>WKsV i2~uhGJ Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
9CY{}g :8A+2ra& 10.清空Cookie
8Xotly Cookie.Expires=[DateTime];
%9J@##+ Response.Cookies("UserName").Expires = 0
h[ DNhR fFjpQ~0 11.自定义异常处理
Cbw *?9d //自定义异常处理类
H5=kDkb using System;
/kW Z 8Z using System.Diagnostics;
=
xO03|T;6 ,c p2Fac namespace MyAppException
k$w~JO!s {
H}^ ' /// <summary>
~s!Q0G^G /// 从系统异常类ApplicationException继承的应用程序异常处理类。
2$JGhgDI /// 自动将异常内容记录到Windows NT/2000的应用程序日志
t'eqk#rq /// </summary>
x sryXex; public class AppException:System.ApplicationException
Z/#_Swv {
RP4/:sO public AppException()
/`*{57/3 {
=q4}( if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
PsY![CPrW }
2Je$SE8 RgJ@J/p" public AppException(string message)
xY^sC56Z {
6>>; fy2 LogEvent(message);
ZZw`8 E }
bx0.(Nv/X 3db{Tcn\@] public AppException(string message,Exception innerException)
ejROJXB {
*]6g-E?:@ LogEvent(message);
$~/2!T_ if (innerException != null)
f-ltV<C_ {
LK^|JE u LogEvent(innerException.Message);
1^~&"s U }
_5oTNL2 }
Rn1oD3w ( ;FxKm<P@ //日志记录类
9mF' using System;
~6[?=mOi' using System.Configuration;
p@<Q? using System.Diagnostics;
&OMlW_FHR using System.IO;
V>@[\N[ using System.Text;
U&!TA(Yr using System.Threading;
j#NyNv(jE1 @CMI$}!{V namespace MyEventLog
=~#mF<z5 {
SQp|
/// <summary>
( xs'D4 /// 事件日志记录类,提供事件日志记录支持
pGbfdX
/// <remarks>
i! .]U@{k /// 定义了4个日志记录方法 (error, warning, info, trace)
|LHJRP-Z /// </remarks>
:ym?]EL4o /// </summary>
SeX ]|?D public class ApplicationLog
!FEc:qH {
wq)*bIv /// <summary>
W^(zP/ /// 将错误信息记录到Win2000/NT事件日志中
b IDUa /// <param name="message">需要记录的文本信息</param>
Ss3p6%V/ /// </summary>
^QK`z@B public static void WriteError(String message)
twT/uBQ4a {
-'rdN i WriteLog(TraceLevel.Error, message);
X+hHE kJ }
Z%t_1t H4$qM_N /// <summary>
!8{VLg /// 将警告信息记录到Win2000/NT事件日志中
t^s&1#iC /// <param name="message">需要记录的文本信息</param>
X Xque- /// </summary>
c4JV~VS+ public static void WriteWarning(String message)
fr17|#L+s {
h\s/rZg=r WriteLog(TraceLevel.Warning, message);
VtBC~?2U)B }
?=u?u
k<- r`H}f#.KR /// <summary>
p|>*M\LE# /// 将提示信息记录到Win2000/NT事件日志中
}:Z.g /// <param name="message">需要记录的文本信息</param>
0w?da~ /// </summary>
_~kw^!p>Kr public static void WriteInfo(String message)
%iyc1]w{ {
Q!X?P WriteLog(TraceLevel.Info, message);
@rl5k( }
`Os=cMR
/// <summary>
K-qWT7< /// 将跟踪信息记录到Win2000/NT事件日志中
L9b.D< /// <param name="message">需要记录的文本信息</param>
KVi6vdgD /// </summary>
Tz
@<hE public static void WriteTrace(String message)
S%SYvA {
"1O_h6C WriteLog(TraceLevel.Verbose, message);
0~|0D#klB }
19 5_1?'< -&+:7t /// <summary>
ddn
IKkOp /// 格式化记录到事件日志的文本信息格式
(tK_(gO /// <param name="ex">需要格式化的异常对象</param>
<)qa{,GX\ /// <param name="catchInfo">异常信息标题字符串.</param>
.N(R~_ /// <retvalue>
}%g[1
#%( /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
D8A+`W? /// </retvalue>
pPReo) /// </summary>
.K
C*
(}- public static String FormatException(Exception ex, String catchInfo)
B'Yx/c&n {
HQ-[k$d
W4 StringBuilder strBuilder = new StringBuilder();
WowKq0sn if (catchInfo != String.Empty)
/b+~BvTh {
35h|?eN_m! strBuilder.Append(catchInfo).Append("\r\n");
1+%UZK= K }
"x$@^ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
H_xHoCLI return strBuilder.ToString();
Y3~Uz#`SU }
pY&6p~\p ib,`0=0= O /// <summary>
/xn|d#4 /// 实际事件日志写入方法
lMv6QL\>' /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
1P)K@j /// <param name="messageText">要记录的文本.</param>
*q}yfa35eR /// </summary>
^-%'ItVO private static void WriteLog(TraceLevel level, String messageText)
aB%.]bi {
Tzd#!Lvm:, try
EU(e5vO {
!(*&P EventLogEntryType LogEntryType;
f2.=1)u. switch (level)
FM]clC;X? {
b+Q{Z* case TraceLevel.Error:
/qdv zv%T LogEntryType = EventLogEntryType.Error;
/&6{}n break;
ximVh}'a case TraceLevel.Warning:
uc9h}QJ* LogEntryType = EventLogEntryType.Warning;
8UB2 du@? break;
k$=L&id case TraceLevel.Info:
XT/t\\Z`U LogEntryType = EventLogEntryType.Information;
'`8 ^P break;
:ok.[q case TraceLevel.Verbose:
E8C8kH] LogEntryType = EventLogEntryType.SuccessAudit;
%
jDH{xSMb break;
gY+d[3N default:
>p&"X 2
@ LogEntryType = EventLogEntryType.SuccessAudit;
y,?=,x}o# break;
\p:)Cdn }
m9h<)D '> Boj R" EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
dr)*.<_+a( //写入事件日志
(~Z&U eventLog.WriteEntry(messageText, LogEntryType);
qt:B]#j@ 5$i(f8* }
i59}6u_f catch {} //忽略任何异常
F=5+JjrX }
gpq ,rOIK } //class ApplicationLog
"=2\kZ }
tk0m[HN@eV {~&] 12.Panel 横向滚动,纵向自动扩展
c,#=In2 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
f0eQq;D$K ZQ"dAR/y 13.回车转换成Tab
HRTNIx <script language="javascript" for="document" event="onkeydown">
/$93#$ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
J"#6m&R_q event.keyCode=9;
p$F`9_bZ </script>
!" FEp 8K^#$,.." onkeydown="if(event.keyCode==13) event.keyCode=9"
YdV.+v(30 46M=R-7= 14.DataGrid超级连接列
`pv DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
R;,5LS&*a [#wt3<d`) 15.DataGrid行随鼠标变色
UV|{za$&/ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
RJ'za1@z;b {
"[/W+&z[~ if (e.Item.ItemType!=ListItemType.Header)
#Br`;hL<T {
Q?hf2iw e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
((?"2 }1r e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
A99;bf}" }
*QNX?8Fm_ }
gWro])3 m5/]+xdNX 16.模板列
},<Y
\
<ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
GRpwEfG <ITEMTEMPLATE>
W rT_7 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
QP"5A7=m </ITEMTEMPLATE>
|0^IX </ASP:TEMPLATECOLUMN>
Y8}y0]V aeYz;&K <ASP:TEMPLATECOLUMN headertext="选中">
X'.lh#& <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
;Ym6ey0t <ITEMTEMPLATE>
dM,{:eID <ASP:CHECKBOX id="chkExport" runat="server" />
UU}Hs} </ITEMTEMPLATE>
^-Ks_4 <EDITITEMTEMPLATE>
]=3hH+1 a <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
o8g]ho </EDITITEMTEMPLATE>
.$f0!`
t </ASP:TEMPLATECOLUMN>
0LGHSDb sw$JY}Q8x 后台代码
R0w~ Z
protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
hQ)?LPUB {
)MV `'i //改变列的选定,实现全选或全不选。
xt@v"P2Ok CheckBox chkExport ;
'mv|6Y if( CheckAll.Checked)
6."|m+D {
)+)qFGVz foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0/fwAp {
e*<pO@Uy chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
EnMc9FN(y chkExport.Checked = true;
/ H GPy }
?+c-m+;wj }
<e|B7<. else
8XfOMf~d` {
fX
LsLh+~D foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
OK@yMGz1I {
v&])D/a chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
kT^`j^Jr chkExport.Checked = false;
g|]Hm* }
AAi4}
8+\ }
9)F$){G]vs }
mphs^k< Z 7&dF=/:X@ 17.数字格式化
|>JRJ"CFE 5uM`4xkj 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
;P8.U( <%#Container.DataItem("price","{0:¥#,##0.00}")%>
#E/|WT !4"$O@U4 int i=123456;
~:b5UIAk string s=i.ToString("###,###.00");
{FNCC*= *Xu?(Jd 18.日期格式化
s_!F`[ bM,%+9oz; 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
^Y"|2 : BE!WCDg, 显示为: 2004-8-11 19:44:28
_:XX+3W7 /7R0w 我只想要:2004-8-11 】
nI`9|W <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
5n=~l[O Z(ToemF)hi 应该如何改?
'V4B{n7h qwuA[QkPi 【格式化日期】
No'Th7=|S xy^z_` 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
kc[<5^b5 q$B|a5a? 【日期的验证表达式】
_ o6Zj1p .V{y9e+ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
0[-@<w ^j ^((\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})))?$
!$0ozDmD e$-Y>Dd B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
"2
qivJ ^\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]))$
Q/l388' 0fw>/"v 【大小写转换】
Zx|VOl,; HttpUtility.HtmlEncode(string);
E7U.>8C HttpUtility.HtmlDecode(string)
l=>FoJf!*< Pu2cU5n 19.如何设定全局变量
P7qzZ XTq+ 9 Global.asax中
Yx"~_xA/u J'yiVneMw Application_Start()事件中
4='/]z E>1%7"
i< 添加Application[属性名] = xxx;
hhJ>>G4R2 :D 就是你的全局变量
^}Gu'!z9D $mst\]&; 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
pE]s>Ta (+9^)No HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
o[k,{`M0 %xwtG:IKEV 【ASPNETMENU】点击菜单项弹出新窗口
zRA,Yi4;+ ugQySg> 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
GOY!()F <?xml version="1.0" encoding="GB2312"?>
q}p
(p( N <MenuData ImagesBaseURL="images/">
pq*4yaTT' <MenuGroup>
P?M WT]fY <MenuItem Label="内参信息" URL="Infomation.aspx" >
jY$3 <MenuGroup ID="BBC">
Dp;6CGYl? <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
B"Ttr+ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
e8hwXz ......
,Y27uey{wa F t;[>o 最好将你的aspnetmenu升级到1.2版
}b]z+4Ua( 6V @ [<d 21.读取DataGrid控件TextBox值
MMyJAGh
^G foreach(DataGrid dgi in yourDataGrid.Items)
Si=u=FI1e {
i/q1> TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
X/<Q3AK tb.Text....
Kfs|KIQ>= }
T']G:jkb Eh.NJI( 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
;c0z6E / ),U>AiF] 〖思归〗
b,-qyJW6 <asp:TemplateColumn HeaderText="数量">
W[oQp2 = <ItemTemplate>
]t.6bb4 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
8i?:aN[.1b onkeyup="javascript:DoCal()"
K`twbTU />
FSkz[D_} McRfEF\ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
p7]V1w : </ItemTemplate>
sEEyN3 N </asp:TemplateColumn>
z-;{pPZ
m7.6;k. <asp:TemplateColumn HeaderText="单价">
+{H0$4y <ItemTemplate>
\WZ]'o6 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
F@kd[>/[ onkeyup="javascript:DoCal()"
=
GZ,P
( />
>jg"y OVU+V 0w1a <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
rI;tMNs g+/m:(7[s| </ItemTemplate>
|Fp+9U </asp:TemplateColumn>
4xzoA'Mb@ &265
B_'D <asp:TemplateColumn HeaderText="金额">
61&A` <ItemTemplate>
4Y4QR[>IU3 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
n_MY69W </ItemTemplate>
9*j$U$:' </asp:TemplateColumn><script language="javascript">
[BKX$A:Y function DoCal()
j#YPo {
C *U,$8j|} var e = event.srcElement;
cP`[/5R var row = e.parentNode.parentNode;
H+F># var txts = row.all.tags("INPUT");
K}9 c$C4 if (!txts.length || txts.length < 3)
\"?5CHz* return;
Z-rHYfa4 ;n;bap var q = txts[txts.length-3].value;
Eh/Z4pzT var p = txts[txts.length-2].value;
eaCh;IpIf !5=S2<UX if (isNaN(q) || isNaN(p))
}J|Pd3Q Sf return;
gP:H_nVh Xi81?F?[ q = parseInt(q);
XmX{e.<NZ p = parseFloat(p);
|Y]4PT#EE oVja$;> txts[txts.length-1].value = (q * p).toFixed(2);
y8CH=U[ }
[X\~J &kD </script>
l"1at eM3 M5T4{^i Zsx\GeE%:
KkD&|&!Q7u VJ()sbl{k 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。
&BS*C} }, page_load
rM{V>s:N page.smartNavigation=true
{<y.G1<. acdF5ch@ 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 ?
="__*J#nze private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
6z ,nt {
>Eqr/~Q for(int i=0;i<e.Item.Cells.Count-1;i++)
N
Obw/9JO if(e.Item.ItemType==ListItemType.EditType)
#Zt(g( T {
fH*1.0f]6 e.Item.Cells.Attributes.Add("Width", "80px")
hmM2c15T5 }
R.$1aqA} }
n|AV7c ;kb);iT 26.对话框
5!*@gn private static string ScriptBegin = "<script language=\"JavaScript\">";
RSK5 }2 private static string ScriptEnd = "</script>";
d}--}&r IaT\ymm` public static void ConfirmMessageBox(string PageTarget,string Content)
4~i?xo=;v {
6<mlx' string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
[ahK+J TE% i
ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
J>8kJCh9g a4\j.(w)$D Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
E{BX $R_8 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
YDYN#Ob(; //Response.Write(strScript);
l!mx,O` }
<rxtdI"3 SZ1yy[" 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
YF)k0bu&; d<Dm( 1.1 取当前年月日时分秒
;cfPS currentTime=System.DateTime.Now;
<S3s==Cg aUk]wiwIR9 1.2 取当前年
M@+Pq/f: int 年= DateTime.Now.Year;
WS//0 6uIgyO*;k 1.3 取当前月
+E-CsNAZ*" int 月= DateTime.Now.Month;
i
?PgYk&} >!Dp'6 1.4 取当前日
q~`dxq`} int 日= DateTime.Now.Day;
<b:xyHS bs0[ a 1/ 1.5 取当前时
"h-ZwL int 时= DateTime.Now.Hour;
_p^$.\k" Jq?Fi'2F% 1.6 取当前分
L%jIU<?Z7 int 分= DateTime.Now.Minute;
hBi/lHu' +w/B3b 1.7 取当前秒
D)tL}X$ int 秒= DateTime.Now.Second;
8]D0) P^AI*tH"m 1.8 取当前毫秒
1gQ_76Yck int 毫秒= DateTime.Now.Millisecond;
#I1q,fm >t{-_4Yv? 28.自定义分页代码:
JOH\K0=e ^?NLA&v< 先定义变量 :
AuT:snCzR public static int pageCount; //总页面数
% {-r'Yi% public static int curPageIndex=1; //当前页面
2"HG6"Rr 5W0s9yD 下一页:
(hEg&@ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
_y&XFdp {
\q\"=
DataGrid1.CurrentPageIndex += 1;
0S96x}]J B curPageIndex+=1;
q%LjOPE
V }
[*M': BA[ uO3\4 bind(); // DataGrid1数据绑定函数
#p
;O3E@ #\
uB!;Q 上一页:
U(Tl$#Bt if(DataGrid1.CurrentPageIndex >0)
U\(71= {
0SQrz$y DataGrid1.CurrentPageIndex += 1;
1'N<ITb curPageIndex-=1;
\SoT^PW }
iI>7I<_ 5'( T*" bind(); // DataGrid1数据绑定函数
D5!#c-Y- (%OZ `?` 直接页面跳转:
a@J/[$5 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
uW
[yNwM ,}O33BwJp if(a<DataGrid1.PageCount)
#^BttI {
F2Y!aR this.DataGrid1.CurrentPageIndex=a;
,Js-'vX }
F]t=5
-O< #uF`|M$u bind();
U>OAtiq JX g/_0WW] } 29.DataGrid使用:
plp-[eKcD qZ4))X 添加删除确认:
TMo DN%{ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
T@*'}* {
y$9! rbL foreach(DataGridItem di in this.DataGrid1.Items)
3H0B+F2XQ {
?O3d Sxi if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
I)yF!E & {
{o 2 qY|S ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
]-9w'K d }
|j81?4<)v }
MB7*AA; }
-Lu&bVt<> U1HG{u,"y 样式交替:
D6H?*4f] ListItemType itemType = e.Item.ItemType;
$8xb|S[ {z\K!=X/ if (itemType == ListItemType.Item )
7BL)FJ]UR] {
'
,S}X\ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
d^J)Mhju e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
PZ`11#bbm }
EZN!3y| m else if( itemType == ListItemType.AlternatingItem)
%B( rW?p& {
,wM4X']HR e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
~\AF\n% e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
kiyc ^s }
Ix}6%2\ /Q3\6DCl 添加一个编号列:
d$n31F DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
ZOMYo] DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
NPrLM5 EEnl' for(int i=0;i<dt.Rows.Count;i++)
9^ZtbmUf {
SJ<v< B dt.Rows["number"]=(i+1).ToString();
dJ
m9''T') }
{?5iK1|}K M;,$
)>P DataGrid1.DataSource=dt;
]gg(Z!|iQ DataGrid1.DataBind();
vXRY/Zzj1 KyfH8Na? DataGrid1中添加一个CheckBox,页面中添加一个全选框
6o7t eX private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
/.<v,CR {
~mARgv foreach(DataGridItem thisitem in DataGrid1.Items)
w3ni@'X8 {
,aLwOmO ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
"I)zi]vk }
"GQ Q8rQ }
BjsT 9?6W/ qSB&Q0T 将当前页面中DataGrid1显示的数据全部删除
J
(?qk foreach(DataGridItem thisitem in DataGrid1.Items)
*dw.Ug {
bY=[ USgps if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
[)1vKaC {
kI)}7e string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
vM6W64S Del (strloginid); //删除函数
gWGDm~+ }
`vgaX,F* }
[GI~ & sqtz^K ROM 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)
U]~@_j Tk4>Jb 在Application_Start中添加以下代码:
Lr D@QBT Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
h7!O
K AppSettings["ConnStr"].ToString();
%z-*C'j5H HyU: BW;
31. 变量.ToString()
rO$pj~!|Q ?nGi if 字符型转换 转为字符串
NFZ(*v1U 12345.ToString("n"); //生成 12,345.00
j*G: 8Lg 12345.ToString("C"); //生成 ¥12,345.00
robg1 12345.ToString("e"); //生成 1.234500e+004
0^gY4qx[u 12345.ToString("f4"); //生成 12345.0000
1wKXOy=v0 12345.ToString("x"); //生成 3039 (16进制)
^]nLE]M 12345.ToString("p"); //生成 1,234,500.00%
7>__ fQu HDhISPg 32、变量.Substring(参数1,参数2);
Ze eV- 0H}tb}4 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);
JiaR*3# #~|k EGt 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)
P,{Q k~iu <SCRIPT language="javascript">
PY.K_(D <!--
hOUH1m. function gook(pws)
$TXxhd 6 {
ovTL'j! frm.submit();
p>`rTaeZg }
Iz09O:ER //-->
1xW!j!A; B/1j4/MS </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
iVI& <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
%S^hqC <tr>
05q760I+ <td>
BsIF3sS#9 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
[~s+,OO9) <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
3!{imQT <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
oQ<[`.s FN-/~Su~J <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
u^tQ2&?O!P <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Ig`q[o -[L\:'Gp5 </td>
tF`L]1r> F,wB6Cw </tr>
'F/oR/4, |l;
Ot=C= </form>
{r&mNbz A-CU%G9 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。
Ayw_LCUD DQQ]grU 下面是获取用户输入的登陆信息的代码:
Fvl\. string name;
Cdz&'en^ name=Request.QueryString["EmailName"];
X3:z=X&Zd 3\XNOJH try
j#5a&Z {
@ep.wW int a=name.IndexOf("@",0,name.Length);
Trv}YT. f_user.Value=name.Substring(0,a);
j~-N2b6z f_domain.Value=name.Substring(a+1,name.Length-(a+1));
M%S7cIX
]F f_pass.Value=Request.QueryString["Psw"];
SsZC g#i }
h+Co:pr ?.46X^ catch
Z!"-LQJ {
;
j!dbT~5 Script.Alert("错误的邮箱!");
I@cw=_EQL Server.Transfer("index.aspx");
ZbYC3_7w }