1. 打开新的窗口并传送参数:
\d8=*Zpz7 T_
#oMXZ/ 传送参数:
G\+MT(&5 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
I>\?t4t \^Q)`Lqp:g 接收参数:
R-0Ohj string a = Request.QueryString("id");
3^Q U4 string b = Request.QueryString("id1");
[_B&7#3>7 gG?*Fi 2.为按钮添加对话框
J:!Gf^/) Button1.Attributes.Add("onclick","return confirm(’确认?’)");
U-N/Z\QD button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
L{ ^@O0S 833t0Ml1A/ 3.删除表格选定记录
|Y8o+O_` int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
sX?7`n1U string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
HBYpjxh gDBQ\vM8 4.删除表格记录警告
d|HM private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
DccsVR`7 {
=C}<0<"iF switch(e.Item.ItemType)
0(6`dr_ {
lt"*y.%@b case ListItemType.Item :
$+N^ s^ case ListItemType.AlternatingItem :
:cz]8~i\ case ListItemType.EditItem:
*XR~fs?/*W TableCell myTableCell;
O/~^}8TLL myTableCell = e.Item.Cells[14];
[Y~ s LinkButton myDeleteButton ;
>gl <$LQ?X myDeleteButton = (LinkButton)myTableCell.Controls[0];
*a.*Ha myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
i`spM<iR. break;
a
VMFjkW default:
_ h-X-s Y break;
W.<<azi }
jg/<"/E 0_.hU^fP }
`v
er "s; ^%^0x'" 5.点击表格行链接另一页
gWPa8q<b private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
I'YotV7 {
' 1nU[,Wj //点击表格打开
K>6p5*& if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
H|O}Dsj e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
M] *pBc(o0 }
TR20{8" -qF| Y
f 双击表格连接到另一页
K@hUif|([ >4b39/BM 在itemDataBind事件中
v\FD~ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>$F]Ss)$ {
_XPc0r:?> string OrderItemID =e.item.cells[1].Text;
&o.SmkJI ...
v,B\+q/ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
{D#`+uw }
dG+xr! aQFHB! 双击表格打开新一页
E]Q)pZ{Jb if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
0rUf'S
?K {
}lVUa{ubf string OrderItemID =e.item.cells[1].Text;
Hq$|j,&? ...
sxtGl^,mU: e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
!HYqM(|{. }
eo[^ij a/fYD2uNo ★特别注意:【?id=】 处不能为 【?id =】
>d\I*"C+d 6.表格超连接列传递参数
i2E7$[ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
@d|9(,Q <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
IgL8u "N_?yA#(j 7.表格点击改变颜色
^p/mJ1/s7 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
wxxC&! {
R2@u[ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
":ycyN@g this.style.color=’buttontext’;this.style.cursor=’default’;");
Viw3 /K }
aT #|mk=\ +l(}5(wc 写在DataGrid的_ItemDataBound里
[G*mQ@G9 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
&@+;]t {
)3 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
K#@FKv|(" this.style.color=’buttontext’;this.style.cursor=’default’;");
v]~[~\|a e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
ZtDpCl_ }
v#xF;@G =_Rd0, /Y:Zqk3 8.关于日期格式
7Z_iQ1 It[ ~0?+ 日期格式设定
"/5b3^a DataFormatString="{0:yyyy-MM-dd}"
~4 ab\hq >B0S5:S$W 我觉得应该在itembound事件中
vNIQc "\- e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
WyP1"e^9 ]Ea-?IhD 9.获取错误信息并到指定页面
Yi`.zm al/~ 不要使用Response.Redirect,而应该使用Server.Transfer
KMV!Hqkk ?AE%N.rnsi e.g
S5JnJkNn // in global.asax
S%2qB;uw protected void Application_Error(Object sender, EventArgs e) {
i{2KMa{K if (Server.GetLastError() is HttpUnhandledException)
&BkNkb 0 Server.Transfer("MyErrorPage.aspx");
CfU)+20 `F#KXk //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
gQ~4udla. }
V|=
1<v V.J%4&^X Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
W2RS G~| Zh@\+1] 10.清空Cookie
.JE7vPv%! Cookie.Expires=[DateTime];
)8;'fE[p} Response.Cookies("UserName").Expires = 0
y3#\mBiw DWAU8>c+ 11.自定义异常处理
2r,fF<WQ //自定义异常处理类
TR |; /yJ using System;
LHps2, using System.Diagnostics;
^:BRbp37i 0:*$i(2 namespace MyAppException
u8*0r{kOH {
\xt!b^d0 /// <summary>
!s$fqn
6 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
4?Io@[7A) /// 自动将异常内容记录到Windows NT/2000的应用程序日志
$aG'.0HW /// </summary>
jVDNThm+ public class AppException:System.ApplicationException
-}%zus5 {
deNU[ public AppException()
,Gfnf%H\8> {
x{rt\OT if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
7?Fl [FW$ }
&("?6%GC 2.6,c$2tB public AppException(string message)
q~qig,$Y {
~'ovJ46tx LogEvent(message);
^JTfRZ:a }
.+y#7-#6 I
?1E}bv public AppException(string message,Exception innerException)
|^ qW
{
QwhPN'U LogEvent(message);
fqcyCu7Ep if (innerException != null)
1||e!W {
t/3veDh@ LogEvent(innerException.Message);
Z5\6ca }
}5~;jN=k }
Uc4r ,"D1!0 //日志记录类
P5N"7/PfW using System;
4ngiad6bR using System.Configuration;
\1tce`+ using System.Diagnostics;
txi
m|) using System.IO;
[\VzI\vb using System.Text;
sIyLW using System.Threading;
HwDb &pP" w:qwU\U>x namespace MyEventLog
62W3W1: W {
4o%hH /// <summary>
4EOu)# /// 事件日志记录类,提供事件日志记录支持
@FQ@*XD /// <remarks>
9U+^8,5 /// 定义了4个日志记录方法 (error, warning, info, trace)
a@%FwfIu /// </remarks>
qB8<(vBP+ /// </summary>
zRe0z2 public class ApplicationLog
pPIH`Iq {
1Ao"DxZHy7 /// <summary>
NWKD:{ /// 将错误信息记录到Win2000/NT事件日志中
P?bdjU#_n` /// <param name="message">需要记录的文本信息</param>
dZZHk /// </summary>
pM>.z9 public static void WriteError(String message)
C4b3ZcD2 {
1f}Dza9 WriteLog(TraceLevel.Error, message);
V482V#BP }
[\I\). h322^24-2 /// <summary>
a+]@$8+ /// 将警告信息记录到Win2000/NT事件日志中
uz%rWN`{ /// <param name="message">需要记录的文本信息</param>
-q-%)f /// </summary>
U7{,
* public static void WriteWarning(String message)
RlpW)\{j? {
" I:j a7 WriteLog(TraceLevel.Warning, message);
r>
NgJf, }
HSTtDTo ,#s}nJ4 /// <summary>
Z{%h6"" /// 将提示信息记录到Win2000/NT事件日志中
A6-JV8^ /// <param name="message">需要记录的文本信息</param>
r l!c\ /// </summary>
W4Zi?@L>' public static void WriteInfo(String message)
dD#A.C,Rz {
w@hm>6j WriteLog(TraceLevel.Info, message);
M7hff4c }
;hRo}
+\l /// <summary>
v\Q${6kEtx /// 将跟踪信息记录到Win2000/NT事件日志中
kGCd!$fsk /// <param name="message">需要记录的文本信息</param>
'#^ONn STn /// </summary>
"MlY G6 public static void WriteTrace(String message)
K4y4!zz {
=T!M` WriteLog(TraceLevel.Verbose, message);
y6;A4p> }
vX&Nh"0H& $l Y /// <summary>
,LG6py&aT /// 格式化记录到事件日志的文本信息格式
)
_"`{2 /// <param name="ex">需要格式化的异常对象</param>
e3&R3{ /// <param name="catchInfo">异常信息标题字符串.</param>
`ez_
{ /// <retvalue>
)|3?7?X /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
nT9B?P> /// </retvalue>
ShFSBD\M# /// </summary>
nCJ)=P.d public static String FormatException(Exception ex, String catchInfo)
_z~|*7@ {
B_nim[72 StringBuilder strBuilder = new StringBuilder();
9>%ti&_-jt if (catchInfo != String.Empty)
c:M~!CXO {
*RivZ
c9;P strBuilder.Append(catchInfo).Append("\r\n");
b<NI6z8\ }
Js ~_8 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
dk# LAm0< return strBuilder.ToString();
vEk
jd# }
l>Z"y\l= hgL wxJu /// <summary>
,)|nxX /// 实际事件日志写入方法
*C Me:a /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
6j+_)7.V /// <param name="messageText">要记录的文本.</param>
b+9M? k" /// </summary>
)u`q41! private static void WriteLog(TraceLevel level, String messageText)
k9xfv@v} {
*v_+a: try
4DaLmQ2O {
UW_fn EventLogEntryType LogEntryType;
jIaAx_ switch (level)
5L'X3g
{
S2'./!3yv case TraceLevel.Error:
Nyip]VwMJ LogEntryType = EventLogEntryType.Error;
\x5b=~/ break;
F$F,I,$ " case TraceLevel.Warning:
k|'{$/n LogEntryType = EventLogEntryType.Warning;
4[v
%]g` break;
:=C-P7
case TraceLevel.Info:
HM/2/
/ LogEntryType = EventLogEntryType.Information;
Tq,Kel break;
1/:WA:]1, case TraceLevel.Verbose:
|VQ17*4ff1 LogEntryType = EventLogEntryType.SuccessAudit;
:q/%uca9 break;
8GgZAu'X default:
KLrxlD4\ LogEntryType = EventLogEntryType.SuccessAudit;
]yiwdQ break;
hRHqG }
#(=8
RA:@ yY_Zq\ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
#?DwOUw //写入事件日志
Nr8#/H2f eventLog.WriteEntry(messageText, LogEntryType);
y@Z@ eK3 "N>~] }
)!z<q}i5 catch {} //忽略任何异常
fP# !ywgr% }
*")Req } //class ApplicationLog
E">FH>8K} }
H0r@dn H]As2$[ 12.Panel 横向滚动,纵向自动扩展
ammlUWl <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
7uQiP&v 5+Fr/C 13.回车转换成Tab
wyJ+~ <script language="javascript" for="document" event="onkeydown">
;+jz=9Q- if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Mtq\xF,/+ event.keyCode=9;
kCRfO}wt3 </script>
.^
djt &y_Ya%Z3*e onkeydown="if(event.keyCode==13) event.keyCode=9"
g9C/Oj`I AtU%S9 14.DataGrid超级连接列
imw,Nb DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
.Nt;J,U !1(*D*31 15.DataGrid行随鼠标变色
i[L5,%5<H private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
F#NuZ'U {
~;$,h ET if (e.Item.ItemType!=ListItemType.Header)
*Cf5D6=Q {
|z1er"zR) e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
fSc)PqLP e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
%]G'u }
F/p/&9 }
XNbeYj eLF xGZ Z 16.模板列
[QUaC3l) <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
r)<c
~\0 7 <ITEMTEMPLATE>
r c++c,= <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
28 Q\{Z. </ITEMTEMPLATE>
9!} ?}`'_ </ASP:TEMPLATECOLUMN>
6sjd:~J: O1+OE!w <ASP:TEMPLATECOLUMN headertext="选中">
gug9cmA/Q7 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
BN7]u5\7 <ITEMTEMPLATE>
2 nra@ <ASP:CHECKBOX id="chkExport" runat="server" />
da'1H </ITEMTEMPLATE>
'`+8'3K~E <EDITITEMTEMPLATE>
l(A)G d5> <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
iy!SqC </EDITITEMTEMPLATE>
E)>.2{]C> </ASP:TEMPLATECOLUMN>
d!57`bVOd _p*a`,tK 后台代码
!#y_vz9 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
>:J7u*>$ ' {
R<djW5 ()f //改变列的选定,实现全选或全不选。
Fv_B(a CheckBox chkExport ;
NJ^Bv` if( CheckAll.Checked)
+h]~m_O {
7m$EZTw? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Uc%kyTBm1 {
1u8 k} chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
x`:c0y9uG chkExport.Checked = true;
9QP- ~V{$ }
l4bLN }
F:7d}Jx else
'nIKkQ" N {
]Z IreI foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
t7-6A {
F5y0(=$T chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;~,)6UX7 chkExport.Checked = false;
s3-TBhAv }
d%Ls'[Y^_0 }
vc%=V^)N7U }
P(%^J6[> EvYe1Y- 17.数字格式化
v?Zo5uVoq C;3 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Np"~1z.(b <%#Container.DataItem("price","{0:¥#,##0.00}")%>
;e)`Cv `O0bba=:= int i=123456;
#HDP ha string s=i.ToString("###,###.00");
[a_'pAH "IHFme@^ 18.日期格式化
sTS/]"l dL]wu!wE 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
T@jv0/(+ !aB~G}' 显示为: 2004-8-11 19:44:28
QXu[<V 2#(dfEAy 我只想要:2004-8-11 】
s^> >] <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
OF} ."a S3UJ)@
E 应该如何改?
<2af&-EGs ,!O]c8PcU 【格式化日期】
0`/CoP<U fHODS9HQ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
p`2Q6 !bIE%cq 【日期的验证表达式】
s:K'I7_#@ k:F{U^!p| A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
_lDNYpv ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
3#?53s r=HL!XFk B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Wl7S<>hg4 ^\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]))$
7,s5Gd- 2w}l!'ue 【大小写转换】
Q@1SqK#-DQ HttpUtility.HtmlEncode(string);
3bRW]mP8 HttpUtility.HtmlDecode(string)
p9 G{Q sd%m{P2 19.如何设定全局变量
6p9 {z42 F/PH=Dk Global.asax中
u9m ~1\R* O!ilTMr Application_Start()事件中
D*>#]0X &hUEOif 添加Application[属性名] = xxx;
(tyky&$! w^9< I] 就是你的全局变量
zR4]buHnE BRa9j:_b 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Wecxx^vtv6 + 9I|Fm HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
S17;;w0 Ob{Tn@ 【ASPNETMENU】点击菜单项弹出新窗口
3Vbt(K CZE!@1"<{ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
6L;]5)# <?xml version="1.0" encoding="GB2312"?>
UhJ{MUH` <MenuData ImagesBaseURL="images/">
f@gvDo]Y <MenuGroup>
=W&m{F96 <MenuItem Label="内参信息" URL="Infomation.aspx" >
LJ6l3)tpD <MenuGroup ID="BBC">
CpB,L <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
I$ R1#s <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
G`;\"9t5h ......
)~Gn7 +v~x_E5FP 最好将你的aspnetmenu升级到1.2版
q65]bs4M l-P6B9e|\ 21.读取DataGrid控件TextBox值
$o0.oY#
foreach(DataGrid dgi in yourDataGrid.Items)
FJ^\K+; {
=XtQ\$Pax TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
}g@
'^v tb.Text....
sH>`eqY }
D2GF4%| B&7NF}CF2 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
eY-h<K)y W/3sJc9 〖思归〗
%NfXe[T <asp:TemplateColumn HeaderText="数量">
61b*uoq0w? <ItemTemplate>
oaZdvu@y <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
t\h4-dJn onkeyup="javascript:DoCal()"
jABFdNjri />
fs:yx'mxV as'yYn8 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
*?*~<R </ItemTemplate>
lSBR(a<\y </asp:TemplateColumn>
RO|8NC<oj BY&{fWUo <asp:TemplateColumn HeaderText="单价">
&4+|{Zx0 <ItemTemplate>
'9=b@SaAj <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
LF
@_|oI onkeyup="javascript:DoCal()"
`GkCOx, />
^_i)XdPU {6WG <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
:<mJRsDf Hq+QsplG </ItemTemplate>
vcsSi%M\U </asp:TemplateColumn>
Te[v+jgLY, )0/*j]Kf <asp:TemplateColumn HeaderText="金额">
}*U|^$FEU <ItemTemplate>
PO8Z2"WI <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
SO.u0! </ItemTemplate>
5eE\
X / </asp:TemplateColumn><script language="javascript">
(~%NRH<\ function DoCal()
<R+?>kz6 {
]8fn1Hx\ var e = event.srcElement;
/a<UKh:A[ var row = e.parentNode.parentNode;
wViTMlq var txts = row.all.tags("INPUT");
Ov<c1y;f if (!txts.length || txts.length < 3)
$8i`h}AM return;
934j5D 2m]4 var q = txts[txts.length-3].value;
39hep8+ var p = txts[txts.length-2].value;
j7MUA#6$ BWQ`8 if (isNaN(q) || isNaN(p))
J5HN*Wd return;
0O,;[l 8'L:D q = parseInt(q);
[k>{q+MWK p = parseFloat(p);
J4"A6`O e@
D}/1~= txts[txts.length-1].value = (q * p).toFixed(2);
\O4s0*gw }
TIZ2'q5wg </script>
)c&ya|h s+v9H10R ?P-O4 %qz-b. Gp
\-AwE 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。
qD4s?j-9 page_load
tM;cvc`/ page.smartNavigation=true
u6F>o+Td) 05k'TqT{c 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 ?
}nX0h6+1 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
7%EIn9P {
(3mL!1\ for(int i=0;i<e.Item.Cells.Count-1;i++)
gm2|`^Xq$ if(e.Item.ItemType==ListItemType.EditType)
Uz_p-J0 {
,*U-o}{8C? e.Item.Cells.Attributes.Add("Width", "80px")
]W$G!(3A }
3vcyes-U }
%hN>o) S9P({iZK 26.对话框
eOiH7{OA, private static string ScriptBegin = "<script language=\"JavaScript\">";
.`m|Uf#"
_ private static string ScriptEnd = "</script>";
v0dzM/?* i+mU(/l2{ public static void ConfirmMessageBox(string PageTarget,string Content)
yNXYS {
f.uuXK string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
wkGr} vR:#g;mnk ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
Y @'do) x}pH'S7 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
dp^PiyL ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
gk 6R# //Response.Write(strScript);
H390<` }
~dEo^vJD ;$6L_C4B 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
&_-=(rK m!G(vhA,_w 1.1 取当前年月日时分秒
"hI"4xSg currentTime=System.DateTime.Now;
7Z`4Kdh . F?R6zvive 1.2 取当前年
U5N |2 int 年= DateTime.Now.Year;
*X$qgSW I+;e#v,%U 1.3 取当前月
y>0 @. int 月= DateTime.Now.Month;
SQ> Yf\ J.: 1.4 取当前日
hG.}>(VV int 日= DateTime.Now.Day;
.eg'Z@o MbCz*oW 1.5 取当前时
>*gf1" int 时= DateTime.Now.Hour;
=23B9WT 0J'Cx&Rg 1.6 取当前分
0@b<?Ms9 int 分= DateTime.Now.Minute;
~&p]kmwXSX N*|EfI|X 1.7 取当前秒
{CR`~)v& int 秒= DateTime.Now.Second;
JUA%l {$[0YRNk
u 1.8 取当前毫秒
q`{@@[/(y int 毫秒= DateTime.Now.Millisecond;
ty~Sf-Pri D*~Q;q> 28.自定义分页代码:
Lf^
7| Od;k}u6;< 先定义变量 :
@HMH>;haE public static int pageCount; //总页面数
:KvZP:T public static int curPageIndex=1; //当前页面
D9NRM;v y'8T=PqY[t 下一页:
[ _xOz4`% if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
<:/aiX8 {
=/|GWQj DataGrid1.CurrentPageIndex += 1;
.O0eSp|e curPageIndex+=1;
<ZZfN@6 }
)E=B;.FH 2i!R>` bind(); // DataGrid1数据绑定函数
c/bT5TIEWs UdkNb}L 上一页:
rt vLLOIO if(DataGrid1.CurrentPageIndex >0)
?:60lCqj {
T<7}IH$6xE DataGrid1.CurrentPageIndex += 1;
[7DU0Xg7 curPageIndex-=1;
_?{KTgJ G }
EB+4]MsD i=b'_SZ' bind(); // DataGrid1数据绑定函数
&f 'Lll ~!TrC<ft 直接页面跳转:
Q_,!(N int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
xP1D 9 :jTbzDqQ if(a<DataGrid1.PageCount)
^8oN~HLZ {
EMH-[EBx this.DataGrid1.CurrentPageIndex=a;
fy>3#`T- }
<LBCu; aRWj+[[7y bind();
78xiT }W " i{s/ 29.DataGrid使用:
S?v;+3TG u_ :gqvC= 添加删除确认:
/P3Pv"r|8] private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
j/uMSE {
u8A,f}D 3 foreach(DataGridItem di in this.DataGrid1.Items)
C;ha2UV0H {
u5qaLHoEP if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
"0G)S' {
C&d,|e "\ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
tx1TtWo }
iuEe#B;! }
!JDyv\i} }
uh)f/)6 4yxf/X) 样式交替:
yP@#1KLa+ ListItemType itemType = e.Item.ItemType;
!h1|B7N p'/%" if (itemType == ListItemType.Item )
3WkrG.$[b {
Pvkr$ou e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
u?g;fh6 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
M#],#o*G }
[e. `M{(TB else if( itemType == ListItemType.AlternatingItem)
J{uqbrJICr {
,5*<C'9 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
sV~|9 /r e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
yq[CA`zVN }
JKYl <3k9 y^0 添加一个编号列:
P)=$0kR3 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
g ?%]()E DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
~ebm,3? MGKSaP;x for(int i=0;i<dt.Rows.Count;i++)
C0e oV} {
M|z4Dy dt.Rows["number"]=(i+1).ToString();
z*^vdi0 }
It'PWqZtG 4NFvX4 DataGrid1.DataSource=dt;
!Cm9DzG DataGrid1.DataBind();
F*B^#AZg b Oh[(O! DataGrid1中添加一个CheckBox,页面中添加一个全选框
.ddf'$6h private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
.a]av {
gWjz3ob foreach(DataGridItem thisitem in DataGrid1.Items)
@q" #.?>s {
:bp8S@ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
olDzmy(=W* }
/Q9iO&Vu }
G`jJKiC wAF#N1-k 将当前页面中DataGrid1显示的数据全部删除
j =b-Y foreach(DataGridItem thisitem in DataGrid1.Items)
P<xCg {
@JD!.3 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
H]f8W]"c[ {
Q;p%
VQ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
hKK"D:?PRs Del (strloginid); //删除函数
`Yu4h+T }
\G]vTK3 }
{f%x8t$ a*@4W3;7 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)
z6Yx
)qBE< 1QuR7p 在Application_Start中添加以下代码:
s\1c. Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
(>x_fDv AppSettings["ConnStr"].ToString();
!RdubM %?:eURQ 31. 变量.ToString()
|f&=9% mt3j$r{_ 字符型转换 转为字符串
o{
\r1<D 12345.ToString("n"); //生成 12,345.00
_/[(&}M 12345.ToString("C"); //生成 ¥12,345.00
a
s?)6 12345.ToString("e"); //生成 1.234500e+004
W\yaovAt 12345.ToString("f4"); //生成 12345.0000
_Nq7_iT0 12345.ToString("x"); //生成 3039 (16进制)
9"k^:}8. 12345.ToString("p"); //生成 1,234,500.00%
ji|tc9#6 T
.L>PL?= 32、变量.Substring(参数1,参数2);
'St\$X
*e-+~/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);
6Yx/m L[:b\O/p, 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)
XF N4m # <SCRIPT language="javascript">
};;6706a <!--
!"x&tF function gook(pws)
&!FWo@ {
!+I!J
s" frm.submit();
8(A+"H( }
+q3E>K9a //-->
.EoLJHL
} &ffd#2f`@ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
$T80vEi+u <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
yY42+%P <tr>
/F6=iHK(l <td>
zc#aQ. <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
Vnq&lz%QqC <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
4ky@rcD 1 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
R k).D6 -gKo@I <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
C_DXg-a2lu <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
4#y n~NOqvT < </td>
U#!f^@&AB v=I 'rx </tr>
9W<I~ <U()
*0
</form>
nZ2mY!* ^.@BD4/RPt 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
Jk!*j H#;-(`F 下面是获取用户输入的登陆信息的代码:
(AnM_s string name;
IvyBK]{| name=Request.QueryString["EmailName"];
@eGJ_ J Pb^Mc <j try
Q7$K,7flf; {
.-g++f(_i int a=name.IndexOf("@",0,name.Length);
KDX34Fr1 f_user.Value=name.Substring(0,a);
.3.oan*i f_domain.Value=name.Substring(a+1,name.Length-(a+1));
gjVKk f_pass.Value=Request.QueryString["Psw"];
?xuhN
G@ }
)!&7X L[ Xr@]7: , catch
24
i00s|# {
]dKLzW:l Script.Alert("错误的邮箱!");
80M"`6 Server.Transfer("index.aspx");
$fwv' }