1. 打开新的窗口并传送参数:
?taC
!{ lB2F09` 传送参数:
<|'ETqP<+ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
NI/'SMj% PL"=> 接收参数:
aQH]hLvs string a = Request.QueryString("id");
A99;bf}" string b = Request.QueryString("id1");
Jj%xLv% nUs=PD3) 2.为按钮添加对话框
H.hKh Button1.Attributes.Add("onclick","return confirm(’确认?’)");
dJzaP button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
{%6
'|<`[ +dCR$<e9r 3.删除表格选定记录
@@a#DjE%/ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
-^np"Jk string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
;"f9"
1A93ol=
4.删除表格记录警告
T&1-gswr: private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
a^G>|+8 {
']Czn._ switch(e.Item.ItemType)
0(C[][a*u {
vWW Q/^ case ListItemType.Item :
d:Z|It case ListItemType.AlternatingItem :
BGNZE{K4" case ListItemType.EditItem:
e Vj 8u TableCell myTableCell;
gjiS+N[ myTableCell = e.Item.Cells[14];
J;V#a=I LinkButton myDeleteButton ;
X+;#^A3 myDeleteButton = (LinkButton)myTableCell.Controls[0];
(w_b myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
iyR5mA break;
3]\'Q} default:
amQiH!}8R break;
)-6>!6hZ }
D41.$t[ pcd?6jh8 }
t&yuo E i*xVD`x ~ 5.点击表格行链接另一页
i'ZnU55= private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9e;{o,r@ {
cri-u E? //点击表格打开
%h_N%B$7c1 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
uw>y*OLU+ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
)):D&wlq }
B|>eKI p:|7d\r 双击表格连接到另一页
R{B5{~m>W@
8`<3rj 在itemDataBind事件中
qe uc^+P; if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
HS.eK#:N {
ip|l3m$ Mi string OrderItemID =e.item.cells[1].Text;
vN6)Szim ...
7&dF=/:X@ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
|>JRJ"CFE }
5uM`4xkj 1LmbXH]% 双击表格打开新一页
5 yL"=3&+ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
C;Kq_/l {
L$]Y$yv string OrderItemID =e.item.cells[1].Text;
CT.hBz
-S ...
B.?@VF e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Q2gz\N }
V4*/t#L/ ;A?86o'? ★特别注意:【?id=】 处不能为 【?id =】
o^d 6.表格超连接列传递参数
2N&S__ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
g s%[Cv <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
J32"Ytdo< cS",Bw\ 7.表格点击改变颜色
;3=RM\ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
#%/0a {
bL%-9BG e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
;k=`J this.style.color=’buttontext’;this.style.cursor=’default’;");
r#mH[|@W~ }
9+'*
E**Hu 9 写在DataGrid的_ItemDataBound里
\uOR1z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_.GHtu/I {
K!tM "`a e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
p+F>+OQ* this.style.color=’buttontext’;this.style.cursor=’default’;");
X$<CIZ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
NV18~5#</ }
Zx|VOl,; 'Y5l3xQk l Ztw[c 8.关于日期格式
P7qzZ U;]h/3P 日期格式设定
LV]F?O[K= DataFormatString="{0:yyyy-MM-dd}"
rW2 ~#:R1~rh\e 我觉得应该在itembound事件中
(7|!%IO. e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
m>^#:JK AYoLpes 9.获取错误信息并到指定页面
(+9^)No CuYSvW 不要使用Response.Redirect,而应该使用Server.Transfer
'q{d? K 1v9#Fr Y e.g
q[~+Zm // in global.asax
Z7=k$e protected void Application_Error(Object sender, EventArgs e) {
RxGZ#!j/ if (Server.GetLastError() is HttpUnhandledException)
!@f!4n.e|I Server.Transfer("MyErrorPage.aspx");
$$---Y kIH)>euZ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
;TCT%j`^o }
Nk$OTDwP &BRi& &f Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
BA`K ,#Ft7 (x8D ]a 10.清空Cookie
NfXEW- Cookie.Expires=[DateTime];
l\t<_p/I)^ Response.Cookies("UserName").Expires = 0
fTV3lyk x4/f5 11.自定义异常处理
Kfs|KIQ>= //自定义异常处理类
QR[i9'`< using System;
)uH#+IU using System.Diagnostics;
Qr]`flQ8 <):= mr7 namespace MyAppException
-e_L2<7 {
ck#MpQ!An /// <summary>
??? ;H /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Kd').w /// 自动将异常内容记录到Windows NT/2000的应用程序日志
8Rd*`]@[pk /// </summary>
@x/D8HK2 public class AppException:System.ApplicationException
dW"=/UW {
6 9EdMuf public AppException()
MI|anM {
qBcwM=R3P if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Et+W LQ6) }
])$Rw$`w ^Z:qlYZ public AppException(string message)
.a]9 rQQ&_ {
U9:I"f, LogEvent(message);
Eh|v>Yew }
6@geakq ^U]B&+m public AppException(string message,Exception innerException)
a X:,1^ {
<~-cp61z; LogEvent(message);
rnS&^ if (innerException != null)
"/qm,$ {
;n;bap LogEvent(innerException.Message);
;TTH }
!5=S2<UX }
B0"55g*c 8;1,saA_9 //日志记录类
KBy*QA using System;
Tt\G y using System.Configuration;
7':qx}c#!1 using System.Diagnostics;
!ui:0_ using System.IO;
M
Qlx&.> using System.Text;
@w5x;uB|%G using System.Threading;
a?ux pkT26)aW namespace MyEventLog
RGV}c# {
0`%Ask /// <summary>
|%c"Avc /// 事件日志记录类,提供事件日志记录支持
E7>D:BQ\2 /// <remarks>
x{#W84 /// 定义了4个日志记录方法 (error, warning, info, trace)
XX[CTh?O% /// </remarks>
6PdLJ#LS /// </summary>
TIYo&?Z) public class ApplicationLog
8a,pDE {
vvmG46IgZ /// <summary>
Auk#pO# /// 将错误信息记录到Win2000/NT事件日志中
$hq'9}ASOL /// <param name="message">需要记录的文本信息</param>
IT=<p60" /// </summary>
(~OP)F). public static void WriteError(String message)
c-q=Ct {
Dwg_#GSr WriteLog(TraceLevel.Error, message);
WI}cXXUKm0 }
<%GfF![v br4?_, /// <summary>
~1.B
fOR8 /// 将警告信息记录到Win2000/NT事件日志中
^< wn /// <param name="message">需要记录的文本信息</param>
"1|\V.>>; /// </summary>
nC(<eL public static void WriteWarning(String message)
EUjA-L( {
cbaa*qoU WriteLog(TraceLevel.Warning, message);
"'v^X!" }
Z+g9!@'a cT(=pMt8> /// <summary>
`Y_G*b.Rm /// 将提示信息记录到Win2000/NT事件日志中
g#b9xTGJ^ /// <param name="message">需要记录的文本信息</param>
0I['UL^!F /// </summary>
v$~$_K public static void WriteInfo(String message)
!yo@i_1D {
Q.} guI\ WriteLog(TraceLevel.Info, message);
O
8XHaVLg3 }
/_qW?LKG/ /// <summary>
OAo;vC:^ /// 将跟踪信息记录到Win2000/NT事件日志中
Z~1uyr( /// <param name="message">需要记录的文本信息</param>
Q:U>nm>xA /// </summary>
|qz&d=> public static void WriteTrace(String message)
Y1R?,5 {
a4\j.(w)$D WriteLog(TraceLevel.Verbose, message);
W[<ZI>mf }
W^YaC
(I qPoN 8>. /// <summary>
W5,&*mo /// 格式化记录到事件日志的文本信息格式
" 6ScVa5) /// <param name="ex">需要格式化的异常对象</param>
u~7fK /// <param name="catchInfo">异常信息标题字符串.</param>
mI'&!@WG /// <retvalue>
lc\{47LwZ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Y.kgJ #2 /// </retvalue>
nrg$V>pD /// </summary>
bs0[ a 1/ public static String FormatException(Exception ex, String catchInfo)
:!ablO~ {
'<{Jlz(u9 StringBuilder strBuilder = new StringBuilder();
Mj`g84 if (catchInfo != String.Empty)
N}>[To3 {
"!ks7:}v strBuilder.Append(catchInfo).Append("\r\n");
q_cP<2`@V }
{krBAz& strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
#>6Jsnv1 return strBuilder.ToString();
+Fb+dU }
|A\o 25 cJA4 /// <summary>
(67byO{ /// 实际事件日志写入方法
V*DD U]0k /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
sI.p(
-KQ /// <param name="messageText">要记录的文本.</param>
,0c]/Sd*p /// </summary>
3CH>!QOA private static void WriteLog(TraceLevel level, String messageText)
\)?+6D'# {
(D:-p:q. try
pHXs+Ysw+ {
C]Y%dQh+a EventLogEntryType LogEntryType;
yi:}UlO switch (level)
z'*"iaX<c {
[(eX\kL case TraceLevel.Error:
(%OZ `?` LogEntryType = EventLogEntryType.Error;
#0PZa$kM(o break;
wJD'q\n case TraceLevel.Warning:
IEfYg(c0U LogEntryType = EventLogEntryType.Warning;
]&N>F8.L+ break;
qV;I<AM case TraceLevel.Info:
Np i)R) LogEntryType = EventLogEntryType.Information;
C1+f\A|9FP break;
cUr!U\X[ case TraceLevel.Verbose:
s/.P/g%tA> LogEntryType = EventLogEntryType.SuccessAudit;
cK >^8T^ break;
8+J>jZ default:
e"_kH_7sv LogEntryType = EventLogEntryType.SuccessAudit;
TMo DN%{ break;
)ki
Gk}2 }
>c Lh$;l ,@/O\fit) EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
;rF[y7\ //写入事件日志
"}wO<O6[ eventLog.WriteEntry(messageText, LogEntryType);
YYT#{>& U1HG{u,"y }
H\qZu%F' catch {} //忽略任何异常
jJ-C\
v }
-cijLlz%+ } //class ApplicationLog
}i,r{Y]s] }
PZ`11#bbm 1;H"4u_IG& 12.Panel 横向滚动,纵向自动扩展
Uqb]&2 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
E3l*_b0 1.+6x4%rV 13.回车转换成Tab
1]eRragm" <script language="javascript" for="document" event="onkeydown">
;g? |y(xv if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
5A*&!1T event.keyCode=9;
M2N8?Ycv3 </script>
hxK;f amdgb,vh onkeydown="if(event.keyCode==13) event.keyCode=9"
]d-.Mw,' ! xG*W6IT 14.DataGrid超级连接列
\ ZE[7Ae DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
IhBc/.&RL )-emSV0zE 15.DataGrid行随鼠标变色
#XA`n@2Uoo private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
~r!(V;k{ {
u\L}B! if (e.Item.ItemType!=ListItemType.Header)
E "}@SaB- {
i/%lB e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~^V&n`*7D e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
TKv!wKI }
<y] 67:"<v }
n\l?+)S * d_M+W@{ 16.模板列
} P ," <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
3>-h-
cpMX <ITEMTEMPLATE>
]5c(:T F <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
+IWH7 qRtp </ITEMTEMPLATE>
1QG q;6\ </ASP:TEMPLATECOLUMN>
'2*OrY xdm \[s <ASP:TEMPLATECOLUMN headertext="选中">
z'_Fg0kR{ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
1.F&gP)9 <ITEMTEMPLATE>
R-S<7Q3E0= <ASP:CHECKBOX id="chkExport" runat="server" />
32<D9_ </ITEMTEMPLATE>
hj9TiH/+ <EDITITEMTEMPLATE>
AtG~!)hG <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
p@su:B2Rl </EDITITEMTEMPLATE>
$M 8&&M </ASP:TEMPLATECOLUMN>
w,LmAWZ4Y "mW'tm1+ 后台代码
1xW!j!A; protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Giv,%3' {
_TOWqV^ //改变列的选定,实现全选或全不选。
SQ_?4 s:: CheckBox chkExport ;
j#n ]q{s4 if( CheckAll.Checked)
_|#abLh% {
D4!;*2t foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
1+;bd'Ie {
q`'f
/CS chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
<|}Z6Ti chkExport.Checked = true;
112WryS }
]- 1(r, }
j2MA['{ else
9efDM {
G<$:[ +w foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Fvl\. {
xz8e1M chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
.[O{,r chkExport.Checked = false;
1_]X }
)4
4Y`v }
)/$J$'mcxd }
Jw;~ $ AOR?2u 17.数字格式化
"/Qz?1>l+ |IcW7( 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
f1 x&Fk <%#Container.DataItem("price","{0:¥#,##0.00}")%>
xpR`fq aj&L
Z DD6 int i=123456;
+#FqC/`l string s=i.ToString("###,###.00");
&j F'2D^_ I@cw=_EQL 18.日期格式化
P51M?3&=l HoGYgye= 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
=
j1Jl^[ H
-Mb:4 显示为: 2004-8-11 19:44:28
kK[4uQQ S0^a)#D & 我只想要:2004-8-11 】
v76Gwu$d <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
^1S{:: xS,24{-HJ 应该如何改?
lx:$EJ }nd>SK4 【格式化日期】
$l]:2!R |4df) 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
g<j) ~Gu$EqQ 【日期的验证表达式】
Ul}RT xJ >WSh)(Cg A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
kB
8^v7o ^((\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})))?$
B0@
Tz39= d_!Z /M, B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
5#DMizv6 ^\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]))$
(7Z+ De? )5}<@Ql 【大小写转换】
:ppaq HttpUtility.HtmlEncode(string);
F)^0R%{C HttpUtility.HtmlDecode(string)
Hl$W+e|tj +RooU?Aq 19.如何设定全局变量
;,f\Wf"BW _SBbd9 Global.asax中
m;@q('O Scrj%h%[ Application_Start()事件中
:?Ns>#6t ;U* /\+*h 添加Application[属性名] = xxx;
cC/h7odY >d + }$dB 就是你的全局变量
N"70P/ S{=5nR9 j 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
r: K1PO bU=Utniq HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
&K/?# E%mEfj7 【ASPNETMENU】点击菜单项弹出新窗口
=CLPz8 i~';1
.g 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Aw#<: 6- <?xml version="1.0" encoding="GB2312"?>
&6sF wK <MenuData ImagesBaseURL="images/">
ER"69zQg|2 <MenuGroup>
?NMk|+ <MenuItem Label="内参信息" URL="Infomation.aspx" >
^DYS~I%s <MenuGroup ID="BBC">
BSm"]!D8* <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
<],{at` v <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
<M:BN6-yG ......
c-+NWC `zQuhD 8W 最好将你的aspnetmenu升级到1.2版
fL*7u\m: j9
nw,x$ 21.读取DataGrid控件TextBox值
YSD G! foreach(DataGrid dgi in yourDataGrid.Items)
&4?&tGi {
] ?DU8 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
z
CLaHx! tb.Text....
3TwjC:Yhv2 }
_b&|0j:Ud a'VQegP(f\ 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?
3aqH!?rVU SXL3>-Z E 〖思归〗
digc7;8L <asp:TemplateColumn HeaderText="数量">
(|QJ[@?q <ItemTemplate>
/oPW0of <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
`J.,dqGb onkeyup="javascript:DoCal()"
CNNqS^ct />
'kd}vq#| {ZeY:\G~ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Z)rW>I
</ItemTemplate>
a{8a[z </asp:TemplateColumn>
A]BeI Wdd}y`lS <asp:TemplateColumn HeaderText="单价">
nb_/1{F <ItemTemplate>
?|M-0{ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
owNwj onkeyup="javascript:DoCal()"
I5"wa:Z />
<9@n/ iYXD }l;r <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
p(yv wv\X </ItemTemplate>
,3:f4e\< </asp:TemplateColumn>
o#m31*o o0r&w;! <asp:TemplateColumn HeaderText="金额">
TEV DES <ItemTemplate>
//8W"> u <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
k{vj,# </ItemTemplate>
=3(v4E':5 </asp:TemplateColumn><script language="javascript">
>2#<gp3 function DoCal()
k0Vri$x {
W2{w<<\$3} var e = event.srcElement;
,6+joKe- var row = e.parentNode.parentNode;
>.wZEQ6QK var txts = row.all.tags("INPUT");
W|<c[S if (!txts.length || txts.length < 3)
J^8j|%h%e return;
>DRxF5b{ Y}[<KK}_ var q = txts[txts.length-3].value;
+yL; ?+s>= var p = txts[txts.length-2].value;
ANm@$xO* JA^!i98{ if (isNaN(q) || isNaN(p))
<)d%c%f'` return;
Z
`F[0- hj];a,Br& q = parseInt(q);
[Qs`@u<% p = parseFloat(p);
=z}PR1X! Jt$YSp=!! txts[txts.length-1].value = (q * p).toFixed(2);
Le#srr }
"dpjxH=xO </script>
i9 aR# b`e_}^,c Oti;wf G7o Y1cL dQn ->ZP.7 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。
\]>821r page_load
t'K+)OK page.smartNavigation=true
S$b)X"h ,Ee5}#dI 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
u-~ec{oBu private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
F
w{:shC {
"'5(UiSFz for(int i=0;i<e.Item.Cells.Count-1;i++)
]j0+4w if(e.Item.ItemType==ListItemType.EditType)
)B]"""J {
|0ZJ[[2 e.Item.Cells.Attributes.Add("Width", "80px")
-gGw_w?)( }
>|S@twy }
FKL4`GEm r QzdHA 26.对话框
,?LE5] private static string ScriptBegin = "<script language=\"JavaScript\">";
.7.1JT#@A7 private static string ScriptEnd = "</script>";
IWYQ67Yj ~Jf(M^E public static void ConfirmMessageBox(string PageTarget,string Content)
R\cx-h* {
0$Tb5+H5 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
{n>.Y-= l]wfL;u ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
7mSNz. zsQ]U!*rD Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
x((u ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
cKYvNM //Response.Write(strScript);
2lfEJw($ }
$mK;{9Z
`BZ|[
q3 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
2RZa} E3a^"V3p 1.1 取当前年月日时分秒
9'(^Coq currentTime=System.DateTime.Now;
`(j~b=PP @@@}FV& 1.2 取当前年
PM!JjMeQh int 年= DateTime.Now.Year;
4wv0~T$;x q-CgXwU 1.3 取当前月
"~ =O`5V int 月= DateTime.Now.Month;
7/M[T\c LawE3CD 1.4 取当前日
.0,G4k/yv int 日= DateTime.Now.Day;
nKd'5f1
MMO/vJC 1.5 取当前时
V.8Vy1 $ int 时= DateTime.Now.Hour;
F,as>X# S['rTuk 1.6 取当前分
^KD1dy3( int 分= DateTime.Now.Minute;
Vk`Uz1* 7*K2zu3 1.7 取当前秒
W
$mw9 int 秒= DateTime.Now.Second;
{oAD;m` ZUj1vf6I 1.8 取当前毫秒
QeT~s5 H int 毫秒= DateTime.Now.Millisecond;
mb`h ]2ab~
gr 28.自定义分页代码:
f/z]kfgw CXGMc)#>f 先定义变量 :
3-AOB3]( public static int pageCount; //总页面数
v6wg,,T public static int curPageIndex=1; //当前页面
#lik: ? d" 0&=/ 下一页:
\'zloBU if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
;y7+ Q {
%jx<<hW DataGrid1.CurrentPageIndex += 1;
}s"].Xm^2 curPageIndex+=1;
yzl}!& E }
j"Ew)6j n@H;*nI| bind(); // DataGrid1数据绑定函数
InRRcn( KbciRRf!k 上一页:
6shN% if(DataGrid1.CurrentPageIndex >0)
X]2x0 {
7wY0JS$fz DataGrid1.CurrentPageIndex += 1;
!]fSS)\H curPageIndex-=1;
O` !XW8 }
`|&0j4(Pg GbQg(%2F bind(); // DataGrid1数据绑定函数
'
Qlj"U /V2yLHm 直接页面跳转:
u^i3 @JuX int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
!M)] 1Y A|4
3W= if(a<DataGrid1.PageCount)
"1>w\21 {
ang~_Ec. this.DataGrid1.CurrentPageIndex=a;
~PAI0+*"q }
6wbH{}\ll b&Laxki bind();
5-H"{29 A@Zqh<,Ud 29.DataGrid使用:
e]dFNunFq0
$tc1te 添加删除确认:
*)?'! private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_KT'W!7 {
M$!-B,1BX foreach(DataGridItem di in this.DataGrid1.Items)
I#]pk! {
>o3R~ [ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
iv],:|Mbd {
=HV${+K=~ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
fo~*Bp()-E }
'R-g:X\{ }
c/j+aj0.v }
Nq6;
z)$ r=7!S8' 样式交替:
k=d0%}
`M( ListItemType itemType = e.Item.ItemType;
V[Sj+&e& iweT@P` if (itemType == ListItemType.Item )
G^.tAO5:f {
`|v/qk7
^? e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
<u],R.S) e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
mH\2XG8nV }
0%q H=do6 else if( itemType == ListItemType.AlternatingItem)
l,3,$ {
.LnknjC e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
"(dI/} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
3zc;_U2 }
.RAyi>\e
^^n (s_g 添加一个编号列:
$b7@S`5 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
,Jn` qvmi DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
9`"#OQPn1 JBZ1DZAWC for(int i=0;i<dt.Rows.Count;i++)
tGbx/$Y {
.yD
6$!6 dt.Rows["number"]=(i+1).ToString();
|b^UPrz)VS }
4%_xTo iE_[]Vgc DataGrid1.DataSource=dt;
7|_2@4-W6 DataGrid1.DataBind();
=w"Kkj>%oh I36%oA DataGrid1中添加一个CheckBox,页面中添加一个全选框
-XK;B--c private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
6-g>(g {
?Pf#~U_ foreach(DataGridItem thisitem in DataGrid1.Items)
mI:^lp {
0_Elxc ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
a'n17d& }
:("@U, }
EwuRIe;D J~oxqw} 将当前页面中DataGrid1显示的数据全部删除
)^"V}z
t foreach(DataGridItem thisitem in DataGrid1.Items)
D@ !r?E` {
{{>,c}O / if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
KK6z3"tk5 {
,`k6@4 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
kUT^o Del (strloginid); //删除函数
>LN*3&W }
^,5%fl }
)l!`k jt9- v- 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)
:xbj&
l i:jB 在Application_Start中添加以下代码:
SyT{k\[ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
kt\,$.v8 AppSettings["ConnStr"].ToString();
mE>{K ^e;9_( 31. 变量.ToString()
?$uF(>LD
G`Z<a 字符型转换 转为字符串
>}2
,2 12345.ToString("n"); //生成 12,345.00
'jO8C2Th% 12345.ToString("C"); //生成 ¥12,345.00
G-K{ 12345.ToString("e"); //生成 1.234500e+004
gu~R4@3 12345.ToString("f4"); //生成 12345.0000
4`fV_H.8 12345.ToString("x"); //生成 3039 (16进制)
JP5en 12345.ToString("p"); //生成 1,234,500.00%
oOAkwc%)b ^6F, lS _t 32、变量.Substring(参数1,参数2);
11Qi
_T\ :F#^Q%-IS 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);
J4U_utp 1LhZmv 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)
+Wy `X5v <SCRIPT language="javascript">
%hw4IcWJ| <!--
9V&+xbR& function gook(pws)
iQT0%WaHl {
L+T7Ge
q frm.submit();
GO@<?>K }
v&7<f$5 //-->
Bt5 P][< t%5bDdo </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
4K dYiuz0` <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
vWrTB <tr>
wq!9wk9 <td>
{Oq8A.daJ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
r!eW]M <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
W&D{0 i`y <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
&V SZ 2EN}"Du]mj <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Q=vo5)t <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
H\ E%.QIx "xHK* </td>
gzH;`, %6^nb'l'C </tr>
F2_'U' a .d$Q5Qae </form>
s|c}9/Xe) <RbfW'<G 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。
Nge@8 +~of# 下面是获取用户输入的登陆信息的代码:
|;t{L^ string name;
CyHHV name=Request.QueryString["EmailName"];
b\o>4T 4b`Fi@J\ try
>+.GBf<E {
02%~HBS int a=name.IndexOf("@",0,name.Length);
)b=vBs`% f_user.Value=name.Substring(0,a);
Jg{K!P|i f_domain.Value=name.Substring(a+1,name.Length-(a+1));
@2d9
7.X f_pass.Value=Request.QueryString["Psw"];
Ygkf}n }
*<SXzJ( 5M #',(X catch
z
j#<X {
AFvv+
ss Script.Alert("错误的邮箱!");
FV
aC8Kw Server.Transfer("index.aspx");
3&{6+ A }