1. 打开新的窗口并传送参数:
iIT<{m&` O3_Mrn(R 传送参数:
ZHBwoC#5} response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
5 4OYAkPCk
V|D;7 接收参数:
nJ? C 4\#3 string a = Request.QueryString("id");
>YW>=5_ string b = Request.QueryString("id1");
OYzJE@r^ ZN)/doK 2.为按钮添加对话框
SB;Wa% Button1.Attributes.Add("onclick","return confirm(’确认?’)");
>}I}9y+ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
3}+/\:q* d}G?iX;c} 3.删除表格选定记录
Dxe|4"%^ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
/}VQzF string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
she`_'?5 +-Dd*yD6< 4.删除表格记录警告
c`>\R<Z ] private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
xvkof
'Q) {
yO6i "3 switch(e.Item.ItemType)
u7;A` {
Y!`?q8z$G case ListItemType.Item :
V.4j?\#% case ListItemType.AlternatingItem :
5[3hw4 case ListItemType.EditItem:
GW W@8GNI TableCell myTableCell;
zZxP=
c myTableCell = e.Item.Cells[14];
T'V(%\w LinkButton myDeleteButton ;
]`NbNr]K myDeleteButton = (LinkButton)myTableCell.Controls[0];
^4[\-L8Lpq myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
NqWHR~& break;
Z:*U/_G default:
aw 7f$Fqk break;
,VZ&Gc }
=.%ZF]Oe+# !69^kIi$ }
cU>&E*wD ?
vlGr5# 5.点击表格行链接另一页
9t[278B6 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
WNx^Rg"
>' {
ZChY:I$< //点击表格打开
4A&e+kz&:R if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{$t*Mb0 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
BuYDw*. }
W(8g3 {aL$vgYT1 双击表格连接到另一页
EH3G|3^xz yI%>
w4Z 在itemDataBind事件中
EzyIsp> _ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
G225Nz;Y* {
yjO7/<2 string OrderItemID =e.item.cells[1].Text;
9JtvHUkO ...
N|j.@K e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
RmQt%a7\{ }
LJ)) )L!R~F
C 双击表格打开新一页
'2tEKVb if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
cg.e(@( {
$SXxAS1 string OrderItemID =e.item.cells[1].Text;
q+z\Y? ...
;!}SgzSH} e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
v;Dcq }
Z:hrrq9 NQJqS?^W&M ★特别注意:【?id=】 处不能为 【?id =】
:6/OU9f/R 6.表格超连接列传递参数
#R8l"]fxr? <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
L1xD$wl <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
iK]g3ew| 5{a(
+' 7.表格点击改变颜色
vw]nqS~N if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
##@#:B {
9vTQ^*bm e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
8_m9CQ6 i this.style.color=’buttontext’;this.style.cursor=’default’;");
tb{{oxa,k }
QT$1D[> 55DzBV 写在DataGrid的_ItemDataBound里
Vr1|%*0Tv if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
>l1Yhxd_0* {
{t:ND e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
w'0M>2 this.style.color=’buttontext’;this.style.cursor=’default’;");
0%F.]+6[O4 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
\.a .'l }
AL7O -D O-5U|wA hyKg=Foq 8.关于日期格式
Zsogx}i- Q75^7Ga_ 日期格式设定
?<?C*W_ DataFormatString="{0:yyyy-MM-dd}"
KUut C
: eW)I}z+{ 我觉得应该在itembound事件中
W~F/ZrT3A e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
a~7osRmp0 ;8T=uCi 9.获取错误信息并到指定页面
~BZV:Es ;QQ7vo 不要使用Response.Redirect,而应该使用Server.Transfer
5#)<rK HdUW(FZ e.g
KL mB // in global.asax
BznA)EK?@ protected void Application_Error(Object sender, EventArgs e) {
grdyiBSVn if (Server.GetLastError() is HttpUnhandledException)
_ICDtG^ Server.Transfer("MyErrorPage.aspx");
b=UMoWS 4.B*B3 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
vx@p;1RU` }
l&Ghs@>Kl dO;vcgvb Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
xg^^ @o @%nUfG7TQ 10.清空Cookie
X9A[
Cookie.Expires=[DateTime];
|a$w;s>\ Response.Cookies("UserName").Expires = 0
Z{4aGp* #ljg2:I+ 11.自定义异常处理
9:i,WJO //自定义异常处理类
*.c9$`s using System;
(I
ds<n" using System.Diagnostics;
K=?F3tX^ ]C6[`WF namespace MyAppException
Q3%#
o+R> {
h;p%EZ /// <summary>
|K;Txe_ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
!# :$u= /// 自动将异常内容记录到Windows NT/2000的应用程序日志
RhNaYO /// </summary>
+4g%?5' public class AppException:System.ApplicationException
@nX2*j*u {
d.j'0w"
public AppException()
!b->u_ {
~!-8l&C if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
>DUE8hp;< }
Hq\E06S@ M|#5gKXd public AppException(string message)
*-AAQ {
~1r*/@M[V LogEvent(message);
[F)/mN }
.S'fM]_# ]|t.wr3AU public AppException(string message,Exception innerException)
E:4P1,%01+ {
s!/holu LogEvent(message);
XH:gQ 9FD if (innerException != null)
fk7Cf"[w {
NZC='3Uz LogEvent(innerException.Message);
N3yB1_ }
,V]A63J }
RvS q KW8 sMS9!{A //日志记录类
Wj j2J8B using System;
;#yu"6{ using System.Configuration;
QS [B using System.Diagnostics;
"gvw0) using System.IO;
bjPbl2K using System.Text;
-V
u/TT0 using System.Threading;
(d'j'U:C a5}44/% namespace MyEventLog
e9`uD|KAS| {
wvmg)4, /// <summary>
dXcPWbrU4 /// 事件日志记录类,提供事件日志记录支持
b;J0'o^G| /// <remarks>
.)@tXH=}+ /// 定义了4个日志记录方法 (error, warning, info, trace)
n*m"L|:ff /// </remarks>
2WPF{y%/ /// </summary>
i$JG^6,O public class ApplicationLog
a][pTC\ rb {
.5!sOOs$P /// <summary>
%- ZR~* /// 将错误信息记录到Win2000/NT事件日志中
mbX)'. +L /// <param name="message">需要记录的文本信息</param>
Z&]+A, /// </summary>
s1Tl.p5 public static void WriteError(String message)
, |.*, {
~njbLUB WriteLog(TraceLevel.Error, message);
FQ^<, }
l!;_lH8W$ F!)M<8jL&9 /// <summary>
14rVb2^ /// 将警告信息记录到Win2000/NT事件日志中
.:Bwa /// <param name="message">需要记录的文本信息</param>
EID)o[< /// </summary>
<p^*Ydx public static void WriteWarning(String message)
nGv23R(?G {
2z.8rNwT WriteLog(TraceLevel.Warning, message);
6L8tz8 }
mS:j$$]u ,_Qe}qFU /// <summary>
l$-=Pqb /// 将提示信息记录到Win2000/NT事件日志中
xxoHH#a /// <param name="message">需要记录的文本信息</param>
f
OM^V{)T /// </summary>
"$W|/vD+ public static void WriteInfo(String message)
q:
TT4MUj< {
b=K6IX; WriteLog(TraceLevel.Info, message);
9iGE`1N%E }
Ld\LKwo /// <summary>
5 dfe@$ /// 将跟踪信息记录到Win2000/NT事件日志中
N[,VSO& /// <param name="message">需要记录的文本信息</param>
:kb1}Wu /// </summary>
8<yV public static void WriteTrace(String message)
X;OsH {
KUp WriteLog(TraceLevel.Verbose, message);
T/GgF&i3 }
\)^,PA3 0q[p{_t` /// <summary>
8tLT'2+H# /// 格式化记录到事件日志的文本信息格式
{=bg5I0|a /// <param name="ex">需要格式化的异常对象</param>
]&C:> /// <param name="catchInfo">异常信息标题字符串.</param>
<78$]Z2we /// <retvalue>
Ha)3i{OM /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
3?.1~ "-J /// </retvalue>
I&pr_~. /// </summary>
!F+|Y"c public static String FormatException(Exception ex, String catchInfo)
U|Bsa(?nx {
lL(p]!K' StringBuilder strBuilder = new StringBuilder();
&G-#*OG if (catchInfo != String.Empty)
S2rEy2\}: {
#~H%[s a strBuilder.Append(catchInfo).Append("\r\n");
!,Xyl}
# }
|
V.S.'
strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
xb =8t! return strBuilder.ToString();
5JBB+g }
s[G|q5n ,DQGv_ /// <summary>
tt6.
jo /// 实际事件日志写入方法
yhcNE8mkQ/ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
=vqsd4 /// <param name="messageText">要记录的文本.</param>
xSpMyXrQ /// </summary>
g08*}0-k private static void WriteLog(TraceLevel level, String messageText)
qri}=du&F {
eJU;*] xfH try
.'t (-eT, {
2BoFyL* EventLogEntryType LogEntryType;
bz,Da switch (level)
2{A;du%& {
,|T*|2Gm case TraceLevel.Error:
M82.khm~jM LogEntryType = EventLogEntryType.Error;
{S5RK-ax break;
L6|Hgrj -u case TraceLevel.Warning:
=
n+q_.A LogEntryType = EventLogEntryType.Warning;
81GQijq break;
>_;kT y, case TraceLevel.Info:
6gj]y^} LogEntryType = EventLogEntryType.Information;
+
,@ FxZl break;
{0is wq'J case TraceLevel.Verbose:
&$mZ?%^C LogEntryType = EventLogEntryType.SuccessAudit;
Op`I;Q
#%d break;
W(;x\Nc7 default:
zKIGWH=qqm LogEntryType = EventLogEntryType.SuccessAudit;
;_mgiKHg break;
%04:z77 }
i{o#3 [Ja)<!]< EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
_1I K$gb[ //写入事件日志
@%6)^]m}r eventLog.WriteEntry(messageText, LogEntryType);
't
+"k8 r_b8,I6{] }
v6wRME;JA catch {} //忽略任何异常
_*O7l }
3p:=xL } //class ApplicationLog
Z5((1J9 }
jCU=+b= d{er|$E? 12.Panel 横向滚动,纵向自动扩展
B4`2.yRis <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
qBT_!
)h
&MCy.(jN 13.回车转换成Tab
iaY5JEV:CA <script language="javascript" for="document" event="onkeydown">
aXMv(e+ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
yC0C`oC event.keyCode=9;
JZ `>|<W </script>
8O,?|c=> "hL9f=w onkeydown="if(event.keyCode==13) event.keyCode=9"
^#]c0 xC<=~( 14.DataGrid超级连接列
qs=Gj?GwGQ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
*i@sUM?K
,Z^Ca15z 15.DataGrid行随鼠标变色
2zz,(RA private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
? m&IF<b {
:.Y|I[\E% if (e.Item.ItemType!=ListItemType.Header)
dVa!.q_3 {
DhZ:#mM{ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
e"]"F{Q e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&=YSM.G }
Yl$X3wi }
m;dm|4L^ @&;(D!_& 16.模板列
Z+ixRch@-s <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
}i(qt&U; <ITEMTEMPLATE>
5?Bc
Y; <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
2z4<N2!M </ITEMTEMPLATE>
'!p=aF9L </ASP:TEMPLATECOLUMN>
3filAGR? z<hFK+j,'^ <ASP:TEMPLATECOLUMN headertext="选中">
Re>AsnA[ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
l09Fn>wa <ITEMTEMPLATE>
u^Vh.g] <ASP:CHECKBOX id="chkExport" runat="server" />
jAXR`D </ITEMTEMPLATE>
cv2]* <EDITITEMTEMPLATE>
5UE409Gn' <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
<$%ql'= </EDITITEMTEMPLATE>
9z:K1 </ASP:TEMPLATECOLUMN>
T.kyV| kBo;h.[l 后台代码
-LTKpN`[@ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
wzd`l?o, {
I"-dTa //改变列的选定,实现全选或全不选。
#<4--$Xo CheckBox chkExport ;
ylu2R0] ( if( CheckAll.Checked)
wq UQ"d {
_pW_G1U foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
^5>s7SGB" {
$_sYfU9 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
jo}1u_OJ chkExport.Checked = true;
-ey)J
+?t }
v9=}S\=Cd }
s.VA!@F5 else
K1OkZ6kl {
F|Q H foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
3V?817&6z {
,9d9_c.T chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
{6h|6.S2 chkExport.Checked = false;
e'34Pw!m }
gw^'{b }
V>Fesm"aq }
%t*[T ~h!
13! 17.数字格式化
?R|th Z W m
.
}Zh 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Fi4UaJ3K <%#Container.DataItem("price","{0:¥#,##0.00}")%>
rFey4zzz pLnB)z? int i=123456;
h./P\eDc string s=i.ToString("###,###.00");
v8m`jxII64 ?sXG17~Bm 18.日期格式化
=\Iu$2r` z<B CLP 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
='}#`', ]!Oue_-; 显示为: 2004-8-11 19:44:28
Lu=O+{*8 je%l dY]/@ 我只想要:2004-8-11 】
UX2lPgKdLz <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
3-C\2 Ja|{1&J. 应该如何改?
px=]bALU 2/B)O)#ls 【格式化日期】
1oty*c xzm@
v( 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
)6-9)pH@) w_Uh 【日期的验证表达式】
_fn1) @pFj9[N A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
71"+<C . ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
:U'Cor
H e)@3m. B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
j+kC-U; ^\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]))$
8md*wEjk &^!h}D%T/ 【大小写转换】
/7/0x ./{ HttpUtility.HtmlEncode(string);
FJ54S HttpUtility.HtmlDecode(string)
MzkkcQLK bcH_V|5} 19.如何设定全局变量
dU_;2#3m G-u]L7t&1 Global.asax中
QM'X@ 6B" egYv Application_Start()事件中
0 )}$^TV X(*!2uS 添加Application[属性名] = xxx;
L(G92,. 8Lz]Z
h=ZU 就是你的全局变量
B{MaMf) V5p0h~PK 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
jVWK0Zba qf#)lyr<D6 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
poT&-Ic[ (=u'sn:s 【ASPNETMENU】点击菜单项弹出新窗口
94/BG0 )8,|-o= 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
7K;!iX<d <?xml version="1.0" encoding="GB2312"?>
@?kJ). <MenuData ImagesBaseURL="images/">
#_JYh? <MenuGroup>
)nfEQ)L;h} <MenuItem Label="内参信息" URL="Infomation.aspx" >
A m"(+>W21 <MenuGroup ID="BBC">
O
)d[8jw" <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
F #`=oM$5 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
fjG&`m#" ......
wTc)S6%7 j:,9%tg 最好将你的aspnetmenu升级到1.2版
91Z' Vzg=@A# 21.读取DataGrid控件TextBox值
}m-"8\_D foreach(DataGrid dgi in yourDataGrid.Items)
IG ~`i I {
nZk+ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
4aUiXyr*2 tb.Text....
`]i
[]| }
%*}Y6tl '| "ju'UOcS/ 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?
0~Gle: xHA0gZf 〖思归〗
aZS7sV28 <asp:TemplateColumn HeaderText="数量">
!&^gaUa{ <ItemTemplate>
A7Po 3n%Q <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
vB\]u. onkeyup="javascript:DoCal()"
!l@zT}i?? />
P-`(0M7^
9+=gke <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
$IQw=w7p </ItemTemplate>
U/ od~29 </asp:TemplateColumn>
fmX!6Kv r6Aneg7 <asp:TemplateColumn HeaderText="单价">
Vvp[P> <ItemTemplate>
iUi>y.}"P <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
|{>ER,<- onkeyup="javascript:DoCal()"
&@FhR#pUQ />
pCi#9=?N Smw QET<H <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
p4!:]0c p'_%aVm7 </ItemTemplate>
+]Zva:$#` </asp:TemplateColumn>
+Vb8f["+- ^D%Za' <asp:TemplateColumn HeaderText="金额">
zP\7S}p7% <ItemTemplate>
R%Y`=pK>} <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
GLMm( </ItemTemplate>
.B2]xfo"` </asp:TemplateColumn><script language="javascript">
3?I;ovsM function DoCal()
Pe73g% {
>$WQxbwM( var e = event.srcElement;
$;N* c H~ var row = e.parentNode.parentNode;
ia @'%8 var txts = row.all.tags("INPUT");
(t+;O; if (!txts.length || txts.length < 3)
E
H:T return;
FzQTDu9 'k0[rDFc#3 var q = txts[txts.length-3].value;
Pz*_)N}j > var p = txts[txts.length-2].value;
m0n)dje r0;:t if (isNaN(q) || isNaN(p))
-a,-J]d0+ return;
"TyJP[/ u$#Wv2| mk q = parseInt(q);
q[q?hQ/b p = parseFloat(p);
B%CTOi CAq/K?:8 txts[txts.length-1].value = (q * p).toFixed(2);
`.jzuX }
b//B8^Eong </script>
x+8_4>,>Y7
%ts^Z*3u 2Y\
d<.M {9Y+.46S ?'86d_8 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。
3<? page_load
X|f7K page.smartNavigation=true
]V l]XT$Um vX0f,y 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 ?
xw^R@H private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
zi R5:d3 {
lGwl1,= for(int i=0;i<e.Item.Cells.Count-1;i++)
RqEH|EUZ if(e.Item.ItemType==ListItemType.EditType)
,mhQ"\ +C {
R'EUV0KX>Y e.Item.Cells.Attributes.Add("Width", "80px")
7w,FX.=;cv }
Unj.f>U }
voP7"Dl[ wN1niR' 26.对话框
]H-S,lmV private static string ScriptBegin = "<script language=\"JavaScript\">";
%~L>1ShtU private static string ScriptEnd = "</script>";
$vC1 K5sLk QO;N9ZI public static void ConfirmMessageBox(string PageTarget,string Content)
zJP6F.Ov! {
@k[R/,#'[t string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
F<>!kK/c B~o\+n ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
wW>zgTG )[0T16 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
f` =CpO* ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
_XJ2fA ) //Response.Write(strScript);
jK \T|vGJa }
x~xa6 VE+IKj!VG0 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
&%})wZ+Dj m'P1BLk 1.1 取当前年月日时分秒
J)P$2# currentTime=System.DateTime.Now;
JJ;[, zi`b2h 1.2 取当前年
2gO2jJlv int 年= DateTime.Now.Year;
3 "o"fl U2uF&6v 1.3 取当前月
@-UL`+ int 月= DateTime.Now.Month;
.>Ljnk DXz}YIEC 1.4 取当前日
;"(foY"L int 日= DateTime.Now.Day;
Wu4Lxv]B4 ?5_7;Ha 1.5 取当前时
kOIt(e int 时= DateTime.Now.Hour;
_g1b{$ r.4LU 1.6 取当前分
!r#?C9Sq int 分= DateTime.Now.Minute;
7AYd!n&S 0-~\
W( 1.7 取当前秒
X]\ \, int 秒= DateTime.Now.Second;
x| yEtO& . e=C{ 1.8 取当前毫秒
A.hd
Kl int 毫秒= DateTime.Now.Millisecond;
v) vkn/: h/~n\0,J/ 28.自定义分页代码:
N[k wO1 iD<(b`S 先定义变量 :
3p0LN'q]A public static int pageCount; //总页面数
%Gt.m public static int curPageIndex=1; //当前页面
J,Ks0MA =[F<7pvE 下一页:
d&Ef"H if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
\Y"Wu {
2WU@*%sk" DataGrid1.CurrentPageIndex += 1;
=Zi2jL?On curPageIndex+=1;
Z!ha fhcX }
um9_ru~ T49zcJf; bind(); // DataGrid1数据绑定函数
g!-,] 4;2< ^[M 上一页:
o6V}$wT3J if(DataGrid1.CurrentPageIndex >0)
H^YSJ6 {
oWYmj=D~2z DataGrid1.CurrentPageIndex += 1;
a'z) curPageIndex-=1;
+nJUFc }
lo[.&GD
foQ#a bind(); // DataGrid1数据绑定函数
6`f2-f9%iq ">#wOm+ + 直接页面跳转:
cReB~wk int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Mbb x` Nm|!#(L if(a<DataGrid1.PageCount)
`ho1nY$)CE {
O%FPS= this.DataGrid1.CurrentPageIndex=a;
S#+h$UVh }
*4V=z# lV%N bind();
hiQha5 V7/I>^X 29.DataGrid使用:
Q[nEsYP mauI42 添加删除确认:
k+ze74_" private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
T<XA8h* {
ih7/} foreach(DataGridItem di in this.DataGrid1.Items)
\EVBwE, {
U\Z?taXB if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
qHxqQ'ks; {
y\a1iy ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
'0FhL)x?"T }
t+eVR8 }
l8?>>.<P= }
2 $Tj84'X #5f-`~^C{ 样式交替:
M@5?ZZ4L ListItemType itemType = e.Item.ItemType;
f"<O0Qw xP [n if (itemType == ListItemType.Item )
/n>qCuw {
M%@ !cW e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
p`l0?^r
c" e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
o_'p3nD }
iRrl^\qn else if( itemType == ListItemType.AlternatingItem)
kkQVNphc {
}I
:OsAw e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
XHK70: i e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
^/r7@: }
m@^1JlH DCZ\6WY1G) 添加一个编号列:
+(h\fm7*- DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
rYbpih=x DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
({q?d[q[ o#skR4lwe for(int i=0;i<dt.Rows.Count;i++)
B&@?*^. {
62Z#YQ}x dt.Rows["number"]=(i+1).ToString();
`DC2gJKk% }
;1a~pF S +u3=dj"[ DataGrid1.DataSource=dt;
h-%R<[ DataGrid1.DataBind();
nX=$EQiH f`[R7Q5 DataGrid1中添加一个CheckBox,页面中添加一个全选框
BG<q IQd private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Y*14v~\' {
/K(o]J0F foreach(DataGridItem thisitem in DataGrid1.Items)
THS.GvT9[ {
|cR;{Z8?_ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
` eXaT8 }
'nwx9]q }
~x|F)~:0= uH(f$A 将当前页面中DataGrid1显示的数据全部删除
s{$(*_ foreach(DataGridItem thisitem in DataGrid1.Items)
D ^x-^6^ {
w/kt3Lw if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
I= &stsH {
.dav8n* string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
pim!.=vN/U Del (strloginid); //删除函数
#H:7@ }
ROous4 MG }
)/wk( O+ K2<9mDn& 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)
wbst8*$ k<"oiCE 在Application_Start中添加以下代码:
<?@NRFTe Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
3h *!V6%q AppSettings["ConnStr"].ToString();
@WVcY:1t# sn)3ZA 31. 变量.ToString()
6=fSE=]DY EUxG Aj$- 字符型转换 转为字符串
@g&ct>@y 12345.ToString("n"); //生成 12,345.00
8/=L2fNN[ 12345.ToString("C"); //生成 ¥12,345.00
dzDqZQY$ 12345.ToString("e"); //生成 1.234500e+004
v^1pN>#%g 12345.ToString("f4"); //生成 12345.0000
BDjn
!3 12345.ToString("x"); //生成 3039 (16进制)
0DJ+I 12345.ToString("p"); //生成 1,234,500.00%
+Nt2
+Y:O LRNh@g4ei 32、变量.Substring(参数1,参数2);
9;B0Mq
py <x<"n t 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$_eCmq "\3B^ e, 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
"t~ <SCRIPT language="javascript">
;oy-#p>N% <!--
])nPPf function gook(pws)
Y4v|ko`l% {
OR;uqV@ frm.submit();
o}* hY"& }
MpF$xzh //-->
;JayoJ FgB&b </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
l=v4Fa0^jF <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
}Nf%n@ <tr>
H{=21\a\ <td>
~V\D|W9 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
bp~g;h*E2 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
@*6 C=LL <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Z7= `VNHc `.i!NBA'6 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
.p e( lP <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
R
wZ]),o .%L?J E </td>
jbS\vyG &M.66O@ </tr>
DF*:_B) ,f[>L|?e </form>
Z)SY.iK. s]f6/x/~ 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。
&2{tF 0sfr d 下面是获取用户输入的登陆信息的代码:
Yi$vg string name;
B Z?.D_bu name=Request.QueryString["EmailName"];
#?/< ' <@3i[M try
SUU !7Yd| {
N _86t int a=name.IndexOf("@",0,name.Length);
H*$jc\
dC f_user.Value=name.Substring(0,a);
d'G0m9u2 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
6jC`8l: f_pass.Value=Request.QueryString["Psw"];
Bg|5KOnd }
Aj+2;]M Y07ZB'K catch
5'X ]k@m_ {
V0P>YQq9s Script.Alert("错误的邮箱!");
@Bf%s(Uj+ Server.Transfer("index.aspx");
@NNq z }