1. 打开新的窗口并传送参数:
M_monj}Z J&jNONu? 传送参数:
8OW504AD response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
h1uD >heGl c$w} h[ 接收参数:
q7'[II; string a = Request.QueryString("id");
0Fi&7% string b = Request.QueryString("id1");
D_MNF=7 O&c~7tM% 2.为按钮添加对话框
$xsmF?Dsx5 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
QW_QizR>| button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
*E- VS= # K`d3p{M 3.删除表格选定记录
g
:Z,
ab4 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
]p.eF YDh7 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
T1}9^3T?{ `'^&*
7, 4.删除表格记录警告
/|.
|y
S9 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
_Mis-K:]{? {
B hnwb0b< switch(e.Item.ItemType)
NXyuv7%5= {
te b~KM case ListItemType.Item :
~jqh&u$( case ListItemType.AlternatingItem :
$EuWQq7OI2 case ListItemType.EditItem:
:%hxg TableCell myTableCell;
~"ij,Op,3 myTableCell = e.Item.Cells[14];
3M&IMf,/@ LinkButton myDeleteButton ;
<(%cb.^c=N myDeleteButton = (LinkButton)myTableCell.Controls[0];
ErDt~FH myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
)5M9Ro7 break;
95G*i;E default:
9ywPWT[^ break;
.+"SDtoX }
T'TxC) /rqaUC )A }
-}?ud3f< tt7l%olw 5.点击表格行链接另一页
4gNF; private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Cq0S8Or0 {
\I4*|6kA //点击表格打开
;_ ^"} if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
(n~e2tZ/ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
7
i|_PP_ }
; 7]Q'N G *f5B 双击表格连接到另一页
2 #+g4 VK)K#!O8 在itemDataBind事件中
5_mb+A n, if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1Jx|0YmO {
wPl!}HNf string OrderItemID =e.item.cells[1].Text;
o5N];Nj ...
8;YN`S!o e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
vkXdKL(q }
Va1 eG]jQ Hkv4t5F 双击表格打开新一页
U*'
YGv if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
L|3wGY9E {
lj1wTiaI( string OrderItemID =e.item.cells[1].Text;
"lp), ...
fi[c^e+IX e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
O_p:`h:;M }
oR=^NEJv Ass8c]H@ ★特别注意:【?id=】 处不能为 【?id =】
<Dr*^GX>? 6.表格超连接列传递参数
,cvLvN8 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
gJyFt8Z< <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
QPH2TXw M- 2:$;D 7.表格点击改变颜色
042sjt if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
=9
TAs? = {
*yv@-lP5s e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
]xhmM1$ this.style.color=’buttontext’;this.style.cursor=’default’;");
2wWL]`(E }
z:aT5D s68EzFS 写在DataGrid的_ItemDataBound里
.~4>5W"u if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
`O5kI#m)L* {
TXi$Q%0W e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
H].
4~ 8 this.style.color=’buttontext’;this.style.cursor=’default’;");
Hy<4q^3$G e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
><X!~by }
6t5)rlT dm Lgt)-t 6/9h=-w& 8.关于日期格式
Musz+<] ]u_^~ 日期格式设定
62}bs/% DataFormatString="{0:yyyy-MM-dd}"
&Z+a ( )>ed6A1 我觉得应该在itembound事件中
[|2uu."$ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
HRx%m1H BEM+FG 9.获取错误信息并到指定页面
'nNw Y.?|[x0Wh 不要使用Response.Redirect,而应该使用Server.Transfer
XHO}(!l\ _9Kdcoh e.g
hnM|=[wM // in global.asax
]t|KFk!) protected void Application_Error(Object sender, EventArgs e) {
oy'Q#! if (Server.GetLastError() is HttpUnhandledException)
-/aDq?<< Server.Transfer("MyErrorPage.aspx");
/h0<0b?i kRgyvA,*; //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
%HuQc^ }
_[V.%k #](k,% 2 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
4];Qpln }[PbA4l.g 10.清空Cookie
Y9m'RFZr Cookie.Expires=[DateTime];
gU/\'~HG Response.Cookies("UserName").Expires = 0
V|{ )P@Q >]=1~sF 11.自定义异常处理
I0O)MR< //自定义异常处理类
fp9ksxb@m using System;
Z{/C4" F using System.Diagnostics;
y^zVb\"4 Vzz0)`*hQ namespace MyAppException
p]:~z|.Ba {
g~%=[1 /// <summary>
~?aq=T /// 从系统异常类ApplicationException继承的应用程序异常处理类。
M~7?m/Wj /// 自动将异常内容记录到Windows NT/2000的应用程序日志
gtz!T2% /// </summary>
hX=+%^c%_A public class AppException:System.ApplicationException
"HVwm>qEi {
B[-%A!3
F public AppException()
SGH"m/ e {
?M7nbfy[A@ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
4(&00#Yxg2 }
=[`wyQe`_ /'G'GQrr public AppException(string message)
(@M=W.M# {
[*?P2.b f LogEvent(message);
#l-,2C~ }
6.~(oepu P]+^^U public AppException(string message,Exception innerException)
x}1(okc {
~SJOynSz, LogEvent(message);
ls,gQ]B:P if (innerException != null)
@P"q`* {
)G
,LG0"- LogEvent(innerException.Message);
gi:;{ }
Ih`n:aA }
uGJeQ \XMl8G //日志记录类
n <lU; using System;
wH!]B-hn using System.Configuration;
8ne'x!1 D using System.Diagnostics;
_Ux>BJmP using System.IO;
Yq/|zTe{ using System.Text;
QE!cf@~n" using System.Threading;
sXl7 8pDJz_F!{ namespace MyEventLog
.Rc&EO {
[O [N _z /// <summary>
4ej$)AdW3 /// 事件日志记录类,提供事件日志记录支持
Qoq@=|7kxa /// <remarks>
~srmlBi6 /// 定义了4个日志记录方法 (error, warning, info, trace)
7z=Ss'O] /// </remarks>
u[ s+YGS /// </summary>
\{G6!dV|S public class ApplicationLog
*kL1r
w6 {
5.VA1 /// <summary>
d2.eDEOsC /// 将错误信息记录到Win2000/NT事件日志中
f]5bAs /// <param name="message">需要记录的文本信息</param>
;'tsdsu} /// </summary>
d&?B/E^ public static void WriteError(String message)
/Rk5n {
fylW)W4C WriteLog(TraceLevel.Error, message);
fdd3H[ }
r9s1\7]x V}9wx%v /// <summary>
\s<iM2]Kl /// 将警告信息记录到Win2000/NT事件日志中
G~4 ^`[elB /// <param name="message">需要记录的文本信息</param>
N3r{|Bu /// </summary>
I U4[}x public static void WriteWarning(String message)
%
C6 H( {
FPFt3XL WriteLog(TraceLevel.Warning, message);
9z_Gf]J~ }
i>,5b1x~ RLulz|jC /// <summary>
orzdq /// 将提示信息记录到Win2000/NT事件日志中
,[Cl 'B /// <param name="message">需要记录的文本信息</param>
a%(1#2^`q! /// </summary>
`p#A2ApA public static void WriteInfo(String message)
*TE6p {
`?=AgGg WriteLog(TraceLevel.Info, message);
qg.[M* }
2E2J=Do /// <summary>
"!Mu5Ga /// 将跟踪信息记录到Win2000/NT事件日志中
uaJ5'* /// <param name="message">需要记录的文本信息</param>
A7|"0*62 /// </summary>
#wM0p:< public static void WriteTrace(String message)
.D4D!! {
}(M<sEK~ WriteLog(TraceLevel.Verbose, message);
^5,ASU }
-+Q,xxu '`[nt25N /// <summary>
Fl*@@jQ8cV /// 格式化记录到事件日志的文本信息格式
fU)hn /// <param name="ex">需要格式化的异常对象</param>
mL6/NSSz /// <param name="catchInfo">异常信息标题字符串.</param>
L<8y5B~W /// <retvalue>
e|MyA?` /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
zy$hDy0 /// </retvalue>
)\VUAD%~e7 /// </summary>
wM!QU{Lz public static String FormatException(Exception ex, String catchInfo)
A|Y\Y } {
IUc!nxF# StringBuilder strBuilder = new StringBuilder();
3\mFK$#sr if (catchInfo != String.Empty)
gs'bv#4yd {
M"p $9t strBuilder.Append(catchInfo).Append("\r\n");
O IewG5O }
/~
V"v"7E strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
rKJ%/7m return strBuilder.ToString();
1uXtBk6 }
TF=S \
Q JxD@y}ZYE /// <summary>
'Fc&"(!|| /// 实际事件日志写入方法
$AsM 9D<BE /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
3\D jV2t /// <param name="messageText">要记录的文本.</param>
L9r 3jz /// </summary>
7ky(g' private static void WriteLog(TraceLevel level, String messageText)
2s6Vy {
S~6<'N&[ try
pd7FU~- {
:hJhEQH(9 EventLogEntryType LogEntryType;
]E=JUYf0 switch (level)
?LNwr[C0 {
oY.JK case TraceLevel.Error:
4F:RLj9P! LogEntryType = EventLogEntryType.Error;
Brpin break;
AQ0L9? case TraceLevel.Warning:
M
$e~Rlw LogEntryType = EventLogEntryType.Warning;
MQG$J!N break;
*Z/B\nb case TraceLevel.Info:
"
*Ni/p$I LogEntryType = EventLogEntryType.Information;
8d$~wh break;
*$l8H[ case TraceLevel.Verbose:
r2sog{R LogEntryType = EventLogEntryType.SuccessAudit;
dOiy[4s break;
)Fm default:
sgB3i`_M LogEntryType = EventLogEntryType.SuccessAudit;
O^:Pr8|{J break;
Y_)04dmr@[ }
-OkKLub !J2Lp EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
slQKkx \Dn //写入事件日志
Kw?,A
eventLog.WriteEntry(messageText, LogEntryType);
y"9TS,lmK 9Hc#[Ml }
k8*=1kl" catch {} //忽略任何异常
r`7`f xe }
wk5a &
} //class ApplicationLog
`>#X,Lw$g }
HE(U0<9c CWDo_g$ 12.Panel 横向滚动,纵向自动扩展
TR%?U/_4;r <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
YK[O#V ?2=c'%w7 13.回车转换成Tab
3G>E>yJ <script language="javascript" for="document" event="onkeydown">
?tSY=DK\n if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
;w6\r!O, event.keyCode=9;
u YH{4% </script>
$x2<D : Y0eu^p) onkeydown="if(event.keyCode==13) event.keyCode=9"
}'X}!_9w> `$#64UZ>U1 14.DataGrid超级连接列
3}T&|@* DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
-nd6hx Viw{<VH= 15.DataGrid行随鼠标变色
T%]:
tDa private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(wA|lK3 {
wvh4AE5F|z if (e.Item.ItemType!=ListItemType.Header)
&<> A {
u>? VD% e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Y*AHwc<w` e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
z1Ju;k(8 }
74[}AA }
a\MU5%}\ }h]:I'R! 16.模板列
6 8_UQ. <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
X G^
<ITEMTEMPLATE>
h|-r t15 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
$u"K1Q3 </ITEMTEMPLATE>
$8eq&_gJ </ASP:TEMPLATECOLUMN>
2]C0d8=*? W&yw5rt** <ASP:TEMPLATECOLUMN headertext="选中">
4Fz^[L}[ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
)O+9v}2 <ITEMTEMPLATE>
5GRN1Aov< <ASP:CHECKBOX id="chkExport" runat="server" />
@rJ#Dr </ITEMTEMPLATE>
k~hL8ZT[ <EDITITEMTEMPLATE>
sP&E{{<QTF <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Z'fy9 </EDITITEMTEMPLATE>
zf S<X </ASP:TEMPLATECOLUMN>
Cn{UzSKfs HL!-4kN
<$ 后台代码
"xO`&a{ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
VtmUK$k}I {
DV.MvFV //改变列的选定,实现全选或全不选。
:?^(&3; CheckBox chkExport ;
~\kRW6 if( CheckAll.Checked)
^1nf|Xj[ {
WW_X:N~~e\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#".{i+3E {
aY?}4Bx chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
S_WY91r chkExport.Checked = true;
oC?b]tzj }
#?,cYh+ }
yqYX<<!V else
RoiMvrJQP {
=kCpCpET foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
9\n}!{@i {
8uu:e<PLv chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
>\i{,F=U7 chkExport.Checked = false;
o^NQ]BdH8
}
rms&U)? }
[AGm%o=) }
Xgl>kJy<# ofi']J{R 17.数字格式化
p75w^ b"Ulc}$/& 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Vw#07P#A <%#Container.DataItem("price","{0:¥#,##0.00}")%>
8q0 .yhb k+i=0P0mf int i=123456;
-`gC?yff: string s=i.ToString("###,###.00");
LnL<WI*Pq fU8;CZnx 18.日期格式化
m|y]j4 *X>rvAd3 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
[v&_MQ vSyN_ AB?$ 显示为: 2004-8-11 19:44:28
$C>EnNx 9Z* vp^3 我只想要:2004-8-11 】
!XicX9n <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
@s[bRp`gd XR&*g1 应该如何改?
`2Z=Lp /bb4nM_E/ 【格式化日期】
h '}5"m :G`_IB\ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
rm
cy-}e 0O:TKgb&C. 【日期的验证表达式】
)I<.DN& Jw^+t)t A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
mB,7YZv ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
xtnB:3 '(Bs<)(H B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
xM*v!J, ^\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]))$
HC0puLt_ ,yT4(cMBk? 【大小写转换】
jgYiuM3c\ HttpUtility.HtmlEncode(string);
$@NZ*m%?JQ HttpUtility.HtmlDecode(string)
r({(; *kIJv?%_} 19.如何设定全局变量
C$hsR& <FJ#Hy+ Global.asax中
gsR"d@! 3!
+5MsR+ Application_Start()事件中
(5I]um tge [sad}@R7 添加Application[属性名] = xxx;
q@\D5F%
> jv7zvp 就是你的全局变量
Md~mI8 UxW>hbzr&V 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
"pH+YqJ$ qB&*"gf HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
a2i
7~65 @&P> 【ASPNETMENU】点击菜单项弹出新窗口
%_u3Np s 2$R2, 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
OO$<Wgh <?xml version="1.0" encoding="GB2312"?>
0s8S`hCn> <MenuData ImagesBaseURL="images/">
SUx0!_f*R <MenuGroup>
bZi>
<MenuItem Label="内参信息" URL="Infomation.aspx" >
_S[H:b$? <MenuGroup ID="BBC">
(u*]&yk <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
QL)UPf>Kp <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
'5Y8 rv< ......
<wuP*vI"h f;b(W 最好将你的aspnetmenu升级到1.2版
toCN{[ >Kr,(8rA 21.读取DataGrid控件TextBox值
z(m*]kpL" foreach(DataGrid dgi in yourDataGrid.Items)
U/ZbE?it> {
}C'z$i( y TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
4j | vzyc tb.Text....
lDH0bBmd0 }
PaZ FM Qj=l OhM 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?
XJlun l)(K Jd%#eD*k9 〖思归〗
kgQEg)A]!x <asp:TemplateColumn HeaderText="数量">
\<PW_'6 <ItemTemplate>
6^zv:C% <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
LJiMtqg onkeyup="javascript:DoCal()"
USbiI% />
06ueE\@Sg Rub"" Ga <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
$DMeUA\av </ItemTemplate>
a"v D+r7Ol </asp:TemplateColumn>
dFUsQ_]< !~Z L <asp:TemplateColumn HeaderText="单价">
FCIT+8K <ItemTemplate>
n8iN/Y<%U <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
1jV^\x0 onkeyup="javascript:DoCal()"
qV^H vZJ />
J0>Q+Y XGUF9arN <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
j{HxX :&a|8Wi[W </ItemTemplate>
LHacHv </asp:TemplateColumn>
A$oYw(m# 9LFg": <asp:TemplateColumn HeaderText="金额">
T&!>lqU!J <ItemTemplate>
+zlaYHj <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
GJW1|Fk </ItemTemplate>
E:i3
/Ep? </asp:TemplateColumn><script language="javascript">
KctD=6 function DoCal()
sFGXW {
[A3hrSw var e = event.srcElement;
$<yb~z7J var row = e.parentNode.parentNode;
/,;9hx var txts = row.all.tags("INPUT");
Bf7RW[ -v if (!txts.length || txts.length < 3)
/yI~(8bO return;
-1< }_* >2wjV"W? var q = txts[txts.length-3].value;
UdY9*k var p = txts[txts.length-2].value;
jR48.W _2TIan} if (isNaN(q) || isNaN(p))
ZSbD4
|_ return;
TX*P*-' 8n'C@#{WV q = parseInt(q);
@z2RMEC~ p = parseFloat(p);
+/Z:L$C6 P_qxw-s txts[txts.length-1].value = (q * p).toFixed(2);
<}UqtDF 0 }
NZD
X93 </script>
[pOU!9v4 1di?@F2f C ]#R7G ];< [Cln% E7*]t_p" 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。
51rM6
BT page_load
NfN#q:w1 page.smartNavigation=true
$GYy[-.` H_$"]iQ 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 ?
31_5k./ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
r%o!P` {
3)T5}_ for(int i=0;i<e.Item.Cells.Count-1;i++)
c\R!z&y~ if(e.Item.ItemType==ListItemType.EditType)
H\ NO4= {
Kj-`ru e.Item.Cells.Attributes.Add("Width", "80px")
MjLyB^M }
?!
kup }
` "9Y.KU !E*-\}[ 26.对话框
(C. 1'<] private static string ScriptBegin = "<script language=\"JavaScript\">";
#cApk private static string ScriptEnd = "</script>";
*{tJ3<t(1 K|s+5>]W/[ public static void ConfirmMessageBox(string PageTarget,string Content)
lxxK6;r~> {
]])i"oew string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
HDC`g )kd PAw ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
b|xz`wUH0$ HL_MuyE Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
B'=*92i>S ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
=,(Ba' //Response.Write(strScript);
3kJAaI8 }
R!,RZ?|v ,>Yz1P)L 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
S#ven& !Hgq7vZG 1.1 取当前年月日时分秒
>Cf]uiR currentTime=System.DateTime.Now;
W`;E-28Dg !>! l=Z 1.2 取当前年
Y[pGaiN: int 年= DateTime.Now.Year;
#ocT4 pM4 j=F 1.3 取当前月
))+R*k% int 月= DateTime.Now.Month;
inhb> zB TX 12$p\ 1.4 取当前日
n ,H;PB int 日= DateTime.Now.Day;
)"q2DjfX* :1AOund 1.5 取当前时
v[~ U*#i int 时= DateTime.Now.Hour;
wlkS+$< 1*=[%
d7 1.6 取当前分
Q}1PPi, int 分= DateTime.Now.Minute;
]zD/W%c <;acWT?( 1.7 取当前秒
D'</eJ int 秒= DateTime.Now.Second;
#$#{QEh0} mDo]5 i< 1.8 取当前毫秒
?B[Z9Ef"8l int 毫秒= DateTime.Now.Millisecond;
/ P{f#rV5 /.}&yRR 28.自定义分页代码:
5#iv[c MEo+S 先定义变量 :
Ib!`ChZ public static int pageCount; //总页面数
!.F`8OD`u public static int curPageIndex=1; //当前页面
(D))?jnC AJq'~fC;I 下一页:
[]u!piW if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
,. E:mm {
3J@#V ' DataGrid1.CurrentPageIndex += 1;
:k JSu{p curPageIndex+=1;
) I@gy }
AU)Qk$c &;,w}) bind(); // DataGrid1数据绑定函数
O/Da8#S< bluC P| 上一页:
*X,vu2(I-= if(DataGrid1.CurrentPageIndex >0)
fOrqY,P' {
n /rQ*hr DataGrid1.CurrentPageIndex += 1;
mWO=(}Fb\ curPageIndex-=1;
bk"` hq }
-BB 5bsjA JSO>rpO bind(); // DataGrid1数据绑定函数
)L^WD$"'Q :egSW2"5S 直接页面跳转:
whvM^ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
R`/nsou 3"q%-M|+Q if(a<DataGrid1.PageCount)
0WQ0-~wx {
cT." this.DataGrid1.CurrentPageIndex=a;
@aBZ|8 }
%*LdacjZ :y]l`Mo - bind();
b$VdTpz Q:tW LVE#0 29.DataGrid使用:
=<FFFoF*C_ )%)?M
* 添加删除确认:
)LnHm private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0Wk}d(f {
d~YDg{H foreach(DataGridItem di in this.DataGrid1.Items)
Kf(% aDYq {
`qX'9e3VP+ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
LkJ3 :3O {
b7HS3NYk ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
(swP#t5S }
0*h\/!e }
JTdK\A>l }
KLbP;:sr oA73\BFfP 样式交替:
{T=I~#LjMI ListItemType itemType = e.Item.ItemType;
7CNEP2}:R ]%G[<zD,1 if (itemType == ListItemType.Item )
(}bP`[@rX! {
MYjDO>(_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
|L0 s e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
$JcU0tPq0 }
{Uu7 @1@n else if( itemType == ListItemType.AlternatingItem)
tpA7"JD {
u5%.T0
P e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
l6)*u[}E e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
i1u &-#k }
d(R3![: K2)),_,@5+ 添加一个编号列:
[|uAfp5R DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
u:fiil$ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
C9({7[k^% {8b6A~/ for(int i=0;i<dt.Rows.Count;i++)
!t[X/iu {
1\_4# @') dt.Rows["number"]=(i+1).ToString();
4uDz=B+8y }
FWPkvL #2Mz.=#G DataGrid1.DataSource=dt;
nwW`Q>+#U DataGrid1.DataBind();
0
R^Xn HOXqIZN85 DataGrid1中添加一个CheckBox,页面中添加一个全选框
~pwp B2c private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
yS lN|8d {
8(&C0_yD foreach(DataGridItem thisitem in DataGrid1.Items)
b\H~Ot[i {
Zj!S('hSY ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
&eyFApM[Z }
TQYud'u/ }
mtmtOG_/= =3""D{l 将当前页面中DataGrid1显示的数据全部删除
#^#N%_8 foreach(DataGridItem thisitem in DataGrid1.Items)
eEupqOF*:W {
g9p#v$V if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
\ tU91VIj {
O:#t>
; string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
hA)3Ah* Del (strloginid); //删除函数
LV'v7 2yUH }
e6#^4Y/+` }
.2Gn)dZU Nqewtn9n 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)
42
8kC, Cv~ t~ 在Application_Start中添加以下代码:
Ca]vK'( Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
9A)(K, AppSettings["ConnStr"].ToString();
=as ]>?< L@0DT&5 31. 变量.ToString()
"5ah{,
e-\J!E'1F 字符型转换 转为字符串
,,b_x@y* 12345.ToString("n"); //生成 12,345.00
980[]&( 12345.ToString("C"); //生成 ¥12,345.00
$UO7AHk 12345.ToString("e"); //生成 1.234500e+004
]-["sw 12345.ToString("f4"); //生成 12345.0000
v"=^?5B 12345.ToString("x"); //生成 3039 (16进制)
lbTz 12345.ToString("p"); //生成 1,234,500.00%
q'd6\G0} "k5 C? ~ 32、变量.Substring(参数1,参数2);
's!EAqCN ]D%D:>9|/ 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);
<-X)<k u!X[xe; 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)
]%F3 xzOk <SCRIPT language="javascript">
|OuZaCJG <!--
GP[;+xMBh function gook(pws)
Kl\A&O*{ {
l% K9Ke frm.submit();
cM.q^{d` }
K|E}Ni //-->
F(}d|z@@
BX2&tQSp </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
;sCX_`t0E <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
03AYW)"}M <tr>
yz,ak+wp <td>
1&U'pp|T <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
(\,mA-%E <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
=`Nnd@3v <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Fl^.J<Dz !Kd/
lDY <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
*+lnAxRa? <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
${0Xq k "kVN|Do </td>
7H++ pOF Q->'e-\E<" </tr>
~\Fde^1 b]Oc6zR,,~ </form>
}a-ikFQ] <`~]P$ 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。
"EQ}xj h$4V5V 下面是获取用户输入的登陆信息的代码:
x(}@se string name;
E+UOuf*( name=Request.QueryString["EmailName"];
6D_4o&N <o^mQq& try
OA&N WAm4 {
?^5W.`Y2i int a=name.IndexOf("@",0,name.Length);
9O~1o?ni f_user.Value=name.Substring(0,a);
D?8t'3no f_domain.Value=name.Substring(a+1,name.Length-(a+1));
5/>G)& f_pass.Value=Request.QueryString["Psw"];
%[&cy' }
y/4 4((O 64o`7 catch
Td
X6<fVV {
>LwAG:Ud Script.Alert("错误的邮箱!");
GVCyVt[!- Server.Transfer("index.aspx");
Et# }XVCJ }