1. 打开新的窗口并传送参数:
C"{^wy{sL l& :EKh 传送参数:
a~$XD(w^ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
CWj_K2=d ~6[?=mOi' 接收参数:
M&Uy42,MR string a = Request.QueryString("id");
V>@[\N[ string b = Request.QueryString("id1");
44]s`QyG ) `u17
{ 2.为按钮添加对话框
,UNb#=it Button1.Attributes.Add("onclick","return confirm(’确认?’)");
( xs'D4 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
xEb>6+-F@ LU1I
`E 3.删除表格选定记录
@=-(H<0 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Y-VDi.]W string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
X\}l" ] iSW2I~PD 4.删除表格记录警告
F'bwXb** private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
twT/uBQ4a {
=u.@W98, K switch(e.Item.ItemType)
Z%t_1t {
nzq
case ListItemType.Item :
e~r/!B5X case ListItemType.AlternatingItem :
?Oyo /?/ case ListItemType.EditItem:
Ayz*2N`% TableCell myTableCell;
tpfgUZ{ myTableCell = e.Item.Cells[14];
]\E"oZ LinkButton myDeleteButton ;
#mxOwvJ myDeleteButton = (LinkButton)myTableCell.Controls[0];
vygzL U^ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
yx-{PjX break;
inP2y ?j default:
q+g,?;Yx break;
~q$]iwwqT }
Y(Q
0m|3P Hon2;-:]{] }
CM6% g f3 _`$Q6!Z)l 5.点击表格行链接另一页
Kv_2=]H private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
mdi!Q1pS {
mF4W4~" //点击表格打开
s~M4. 06P if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?N#I2jxaD e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
727#7Bo }
f:o.[4p2 ah>c)1DA*H 双击表格连接到另一页
i3-5~@M XlppA3JON| 在itemDataBind事件中
i~@gI5[k+ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Y}~sTuWU {
N$fP\h^AR string OrderItemID =e.item.cells[1].Text;
5100fX} ...
x :SjdT e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
AHf 9H? }
r!r08yf ]U?nYppV 双击表格打开新一页
lhUGo = if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
A95f!a {
Nr|Gw
@+ string OrderItemID =e.item.cells[1].Text;
&RR;'wLoQT ...
pb!2G/,.[ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
N,`@Q7 }
7nt(Rtbsu ;,y_^-h; ★特别注意:【?id=】 处不能为 【?id =】
5Tsz|k 6.表格超连接列传递参数
P`tOL#UeZL <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
\XDiw~0 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
vo/x`F'ib n:AZ(f 7.表格点击改变颜色
SSe;&Jk2d if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
-Jv,#Z3 {
3.Fko<D4jD e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
D+T/ Z) this.style.color=’buttontext’;this.style.cursor=’default’;");
P~7(x7/7~ }
\kE0h\ 2dts}G 写在DataGrid的_ItemDataBound里
VL#:oyWA if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
}T_"Vg q {
'o='Q)Dk e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
8\J$\Edv this.style.color=’buttontext’;this.style.cursor=’default’;");
T{prCM e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
.ATpwFal }
PYQ0&;z y&\4Wr9m =
MByD&o` 8.关于日期格式
ch#)XomN [I;C6p 日期格式设定
,e'r 0 DataFormatString="{0:yyyy-MM-dd}"
m2SJ\1 J= VEV?$R7; 我觉得应该在itembound事件中
k$=L&id e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
B9(w^l$kZ| BOpZ8p'eH1 9.获取错误信息并到指定页面
gj|5"'g% 1
-Z&/3T] 不要使用Response.Redirect,而应该使用Server.Transfer
6{I7=.V ?;#Q3Y+ e.g
RIkIE=+6 // in global.asax
\p:)Cdn protected void Application_Error(Object sender, EventArgs e) {
c{^1`(#? if (Server.GetLastError() is HttpUnhandledException)
o0WwlmB5 Server.Transfer("MyErrorPage.aspx");
hUpour
|b auI`'O`/ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
p$"~vA . }
}a OBQsnO r?KRK?I 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
8B ,S_0! Av.`'.b 10.清空Cookie
KXZG42w Cookie.Expires=[DateTime];
#ChTel Response.Cookies("UserName").Expires = 0
IlF_g` Zzlt^#KLx 11.自定义异常处理
hq4&<Zr( //自定义异常处理类
*vQ 6LF;y using System;
/$93#$ using System.Diagnostics;
J"#6m&R_q ,3rsjoKhd namespace MyAppException
,7$&gx>2& {
_)@G,E33f@ /// <summary>
xlcCL?qQj /// 从系统异常类ApplicationException继承的应用程序异常处理类。
WiZkIZ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ju:}%' /// </summary>
_9-;35D_ public class AppException:System.ApplicationException
$Ptl&0MN% {
?taC
!{ public AppException()
8-gl$h {
&pY$\ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
`]]m$ }
'RwfW|~6 Gy+c/gK public AppException(string message)
aQH]hLvs {
ZK?V{X{"; LogEvent(message);
qAp<OJ }
nUs=PD3)
H.hKh public AppException(string message,Exception innerException)
3hkEjR {
n[BYBg1yG LogEvent(message);
bfUKh%!M if (innerException != null)
Bd*Ok] {
Rxw+`ru LogEvent(innerException.Message);
&'neOf/~ }
MF$Dx| Tcj }
X'.lh#& J*ofa> //日志记录类
Q?.9BM1V using System;
UU}Hs} using System.Configuration;
jn]l!nm using System.Diagnostics;
N f?\O@ using System.IO;
<`q-#-V@ using System.Text;
]}S9KP using System.Threading;
, iEGf-!k P;7[5HFF namespace MyEventLog
MB5V$toC {
M~X~2`fFH /// <summary>
)MV `'i /// 事件日志记录类,提供事件日志记录支持
sj+ ) /// <remarks>
@CPkP /// 定义了4个日志记录方法 (error, warning, info, trace)
D41.$t[ /// </remarks>
pcd?6jh8 /// </summary>
t&yuo E public class ApplicationLog
i*xVD`x ~ {
l7WZ" 6d /// <summary>
K-(C5 "j_ /// 将错误信息记录到Win2000/NT事件日志中
Nog{w /// <param name="message">需要记录的文本信息</param>
<e|B7<. /// </summary>
.i7"qq.M public static void WriteError(String message)
X#W6;?Z\ {
OK@yMGz1I WriteLog(TraceLevel.Error, message);
v&])D/a }
kT^`j^Jr g|]Hm* /// <summary>
HS.eK#:N /// 将警告信息记录到Win2000/NT事件日志中
-Lsl /// <param name="message">需要记录的文本信息</param>
Ngrj@_J /// </summary>
7&dF=/:X@ public static void WriteWarning(String message)
JFRbWQ0 {
| m#" WriteLog(TraceLevel.Warning, message);
q)"yP\ }
P$__c{1\ +D h?MQt? /// <summary>
n2opy8J#! /// 将提示信息记录到Win2000/NT事件日志中
(>\4%(pnD /// <param name="message">需要记录的文本信息</param>
o3'Za'N. /// </summary>
4f213h public static void WriteInfo(String message)
s_!F`[ {
UJ)(Sw WriteLog(TraceLevel.Info, message);
8[)"+IFN }
L3S29-T /// <summary>
;%/}(&E2 /// 将跟踪信息记录到Win2000/NT事件日志中
X-yS9E /// <param name="message">需要记录的文本信息</param>
Qj9'VI>& /// </summary>
G Mg|#DV public static void WriteTrace(String message)
6(B[(Af {
SQdK`]4 WriteLog(TraceLevel.Verbose, message);
<@c9S,@t }
M r~IVmtf K pKZiUQm /// <summary>
KctbNMU]k /// 格式化记录到事件日志的文本信息格式
pQCW6X /// <param name="ex">需要格式化的异常对象</param>
w!l*!G /// <param name="catchInfo">异常信息标题字符串.</param>
zrA=?[ /// <retvalue>
DbN_(mC /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Zu ![v0 /// </retvalue>
/,9n1|FrG /// </summary>
<[z9*Tm public static String FormatException(Exception ex, String catchInfo)
'Y5l3xQk {
[58qC: StringBuilder strBuilder = new StringBuilder();
JF9r[% if (catchInfo != String.Empty)
)tx!BJiZ[ {
Oz5Ze/HBN strBuilder.Append(catchInfo).Append("\r\n");
<xD6}h/ }
jGn2QL strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
LHusy;<E[ return strBuilder.ToString();
AYoLpes }
A{wSO./3 _3m\r*(vmQ /// <summary>
d?jzh1 /// 实际事件日志写入方法
KD8,a+GL /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
8sU}[HH*1 /// <param name="messageText">要记录的文本.</param>
$_u)~O4$ /// </summary>
5J*h7 private static void WriteLog(TraceLevel level, String messageText)
8^qLGUxz {
L@~0`z:>iP try
3Ebkq[/*% {
tZN'OoZ EventLogEntryType LogEntryType;
0?,%B?A8O switch (level)
9y;8JO {
(x8D ]a case TraceLevel.Error:
NfXEW- LogEntryType = EventLogEntryType.Error;
O.'\GM break;
a>)|SfsE case TraceLevel.Warning:
`>\>'V<& LogEntryType = EventLogEntryType.Warning;
&&|c-mD+* break;
O`'r:W case TraceLevel.Info:
.Za)S5U LogEntryType = EventLogEntryType.Information;
]|K@0, break;
hdy
N
case TraceLevel.Verbose:
Y~-P9 LogEntryType = EventLogEntryType.SuccessAudit;
fqD1Ej break;
? VHOh9|AT default:
Nr0}*8#j LogEntryType = EventLogEntryType.SuccessAudit;
p7]V1w : break;
-i"?2gK }
~cW,B} qku!Mg EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
MI|anM //写入事件日志
//-;uEO eventLog.WriteEntry(messageText, LogEntryType);
629#t`W\ 9\a;75a }
hd_<J]C catch {} //忽略任何异常
lb<D,&+ }
I@o42% w2 } //class ApplicationLog
4{Af 3N }
:B5M#D!dO J=AF`[ 12.Panel 横向滚动,纵向自动扩展
/nVGr]t_pj <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
)XoIb[s" NaYr$` 13.回车转换成Tab
@0U={qX <script language="javascript" for="document" event="onkeydown">
s(shgI 3g if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
!5=S2<UX event.keyCode=9;
PNhxF C. </script>
qfl #ki`, 31k2X81;a onkeydown="if(event.keyCode==13) event.keyCode=9"
y#)ad\ "vN~7% 14.DataGrid超级连接列
8$V:+u DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Mib<1ZM ~mK|~x01@ 15.DataGrid行随鼠标变色
bz\-%$^k private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
o=y0=,:a?9 {
Hw
1cc3! if (e.Item.ItemType!=ListItemType.Header)
CKr5L {
|++\"g e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
K *xca(6 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
B4 +A }
V"DilV$v }
fsz:A"0H |.Vs(0O 16.模板列
P&}J(;Lbl <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
,)%$Zxng <ITEMTEMPLATE>
P1I L] <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
RSK5 }2 </ITEMTEMPLATE>
w </ASP:TEMPLATECOLUMN>
II)
K0< B`?}jJa9* <ASP:TEMPLATECOLUMN headertext="选中">
r0(* ]K:. <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
$fFh4O4 <ITEMTEMPLATE>
K4K]oT <ASP:CHECKBOX id="chkExport" runat="server" />
\<0xg[ </ITEMTEMPLATE>
c@Q&i <EDITITEMTEMPLATE>
['jr+gIfQ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
~x6<A\ </EDITITEMTEMPLATE>
pUD(5v*0R </ASP:TEMPLATECOLUMN>
GW\66$| $i]G'fj 后台代码
&"'Z)iWm protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
iWp
6^g {
jN T+?2 //改变列的选定,实现全选或全不选。
W\5PsGUsv CheckBox chkExport ;
`Y_G*b.Rm if( CheckAll.Checked)
r}i}4K[1 {
S?<hs,
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
br%l>Y\" {
:b`ywSp` chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
o9]i
{e>L chkExport.Checked = true;
kY^ k*-v }
E_-QGE/1 }
7r o&Q% else
gAr=fq-| {
K7c[bhi_w foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
E4,
J"T|@ {
=:BTv[lv chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
a4\j.(w)$D chkExport.Checked = false;
W[<ZI>mf }
i!;9A6D }
RmRPR<vGW }
SZ1yy[" i "d&U7Q 17.数字格式化
t-Uo .,F`*JVFq 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
)fQ1U <%#Container.DataItem("price","{0:¥#,##0.00}")%>
l1vI s
w{e | int i=123456;
qPBOt;N string s=i.ToString("###,###.00");
JFFluL=- ]-;MY@ 18.日期格式化
89Ir}bCr X& mD/1 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
6bN8}\5 a:Nf+t 显示为: 2004-8-11 19:44:28
72 ZoN<c jN-!1O._G 我只想要:2004-8-11 】
)H(i)$I <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
RT|1M"?$ >t{-_4Yv? 应该如何改?
//'&a-%$^ Zc'^iDAY 【格式化日期】
SY.ZEJcv 6MNr H 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
-Fq`#" 0S96x}]J B 【日期的验证表达式】
.N7<bt@~) YSrjg|k* A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
V!l?FOSZ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
zf>*\pZE )-0+O=v B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
`<{LW>Lb ^\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]))$
F^Bk @ %o5'M^U 【大小写转换】
l(W?]{C[% HttpUtility.HtmlEncode(string);
e_"m\e#N HttpUtility.HtmlDecode(string)
=X9fn 4/%Y@Z5 19.如何设定全局变量
S+"Bq:u" UVXSW*$ Global.asax中
S*gm[ZLQ N\];{pe> Application_Start()事件中
w3z'ZCcr;" \B^NdG5Y 添加Application[属性名] = xxx;
Y'5(exW 8
/%{xB^ 就是你的全局变量
?4oP=. cg o 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
?J,,RK. J.'%=q(Sb HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
I&m' a yM7Iq)o6u 【ASPNETMENU】点击菜单项弹出新窗口
=H3tkMoi2 ;>L8&m)R5 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
QM*
T?PR <?xml version="1.0" encoding="GB2312"?>
Oet+$ b <MenuData ImagesBaseURL="images/">
KyyVO" <MenuGroup>
;b:'i&r
<MenuItem Label="内参信息" URL="Infomation.aspx" >
CmV &+C$V% <MenuGroup ID="BBC">
p_(En4QSH <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
oR,6esA+6n <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
e#,(a ......
a+cDH %<x!mE x 最好将你的aspnetmenu升级到1.2版
yCA8/)>Gm ~\8(+qIv%f 21.读取DataGrid控件TextBox值
%1:caa@_p foreach(DataGrid dgi in yourDataGrid.Items)
X9NP,6 {
7F6B TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
NPrLM5 tb.Text....
O$}.b=N9 }
2aX*|DGpw hxK;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?
`CH,QT7e 3F@P$4!#l 〖思归〗
dzBP<Xyh <asp:TemplateColumn HeaderText="数量">
\Dy|}LE <ItemTemplate>
KyfH8Na? <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
=u ?aP}zc onkeyup="javascript:DoCal()"
Y#XRn_2D />
/KX+'@ !&>` <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
BkGExz </ItemTemplate>
*;]}`r </asp:TemplateColumn>
BjsT 9?6W/ ?q9]H5\ <asp:TemplateColumn HeaderText="单价">
L"%SU <ItemTemplate>
*$W&jfW <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Wz s=BNm9 onkeyup="javascript:DoCal()"
gWGDm~+ />
M@{#yEP _OTVQo Ap <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
sHc-xnd >*8V]{f9 </ItemTemplate>
ro\oL </asp:TemplateColumn>
]FZPgO'G ?nGi if <asp:TemplateColumn HeaderText="金额">
"H).2{3(x <ItemTemplate>
l^9gFp~I <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
T5."3i </ItemTemplate>
$vf gYl4q </asp:TemplateColumn><script language="javascript">
^0}ma*gi~ function DoCal()
fk5'v {
5M~{MdF|. var e = event.srcElement;
oNyYx6q:Q var row = e.parentNode.parentNode;
{g<D:"Q var txts = row.all.tags("INPUT");
*G>
x07S)~ if (!txts.length || txts.length < 3)
\X:e9~ return;
L^
J|cgmNw |(z{)yWbC[ var q = txts[txts.length-3].value;
r
|C.K var p = txts[txts.length-2].value;
p)yP_P ,Gt!nm_ if (isNaN(q) || isNaN(p))
*x|%Nua" return;
*9EwZwE_K 6iyl8uL0J q = parseInt(q);
nc k/Dw p = parseFloat(p);
F,wB6Cw pT]hPuC txts[txts.length-1].value = (q * p).toFixed(2);
WzN c=@[W }
9{jMO </script>
(BVqmi{ 9:USxFM bE
!SW2:M l#KcmOz 5wx_ol}2 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
rUb{iU;~m page_load
1_]X page.smartNavigation=true
qPq]%G*{ @.eN+o9| 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
c,~uurVi private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
STW?0B'Jr {
<T}U 3lL^ for(int i=0;i<e.Item.Cells.Count-1;i++)
M%S7cIX
]F if(e.Item.ItemType==ListItemType.EditType)
?}cmES kX@ {
XHk"nbj e.Item.Cells.Attributes.Add("Width", "80px")
M*zpl} }
>&PM'k }
5~[7|Y yW|J`\`^T 26.对话框
!/XNp QP private static string ScriptBegin = "<script language=\"JavaScript\">";
E )_n?>Ar private static string ScriptEnd = "</script>";
MYS`@%ZV#k }HoCfiE=X public static void ConfirmMessageBox(string PageTarget,string Content)
gXdMGO> {
]/=R ABi string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
^jMrM.GY zEI+)|4?r ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
[I
*_0 QRQZ{m Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
BiYxI{V FD ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
..)J6L5l //Response.Write(strScript);
u<ed O+ }
%bi ie FCEy1^u 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
xe!bfzU :wC\IwG~CE 1.1 取当前年月日时分秒
>WSh)(Cg currentTime=System.DateTime.Now;
yvYMk(LSF Z2g'&,uc# 1.2 取当前年
tMxde+$y int 年= DateTime.Now.Year;
W+ S~__K ?})A-$f ~ 1.3 取当前月
U~x]2{} int 月= DateTime.Now.Month;
4?R979 u} ot-!}Q 1.4 取当前日
) D@j6r int 日= DateTime.Now.Day;
?M4o>T%p " h:aa^a~yi 1.5 取当前时
E4X6f int 时= DateTime.Now.Hour;
uM2@&)u N'`X:7fN 1.6 取当前分
b84l`J int 分= DateTime.Now.Minute;
up5f]:! t8^1wA@@V 1.7 取当前秒
I"Zp^j int 秒= DateTime.Now.Second;
7gC?<;\0 42dv3bE" 1.8 取当前毫秒
r: K1PO int 毫秒= DateTime.Now.Millisecond;
bU=Utniq FIq'W:q: 28.自定义分页代码:
"_WN[jm .#( vx; 先定义变量 :
6 s=VU\ public static int pageCount; //总页面数
f'*-<sSr public static int curPageIndex=1; //当前页面
I*u3e ;R?@
D] 下一页:
vIV|y>;g if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
cN,*QN {
@DysM~I
DataGrid1.CurrentPageIndex += 1;
,L<JG curPageIndex+=1;
}Ng P`m }
CFbNv9GZj :;{M0 bind(); // DataGrid1数据绑定函数
FGV
L[\ :j&enP5R(q 上一页:
xw #CwMbbi if(DataGrid1.CurrentPageIndex >0)
}5
rR^ryA {
dNe!X0[ DataGrid1.CurrentPageIndex += 1;
s)-oCT$[ curPageIndex-=1;
h^3gYL7O6 }
V*?cMJ_G 5Tl5T& bind(); // DataGrid1数据绑定函数
6 >kU Lp !rnjmc 直接页面跳转:
P $`1} int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
!l[;,l digc7;8L if(a<DataGrid1.PageCount)
rq%]CsRY5 {
:>&q?xvA this.DataGrid1.CurrentPageIndex=a;
Hv;xaT<}V
}
{nmG/dn{ [> HKRVy bind();
`O\>vn ,.)wCZ,wca 29.DataGrid使用:
/v!yI$xc 07 LyB\l~ 添加删除确认:
j,YrM?Xdo private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
kvbZx{s {
2
}xePX9? foreach(DataGridItem di in this.DataGrid1.Items)
r^
r+h[V {
yT^2;/Z if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
I5"wa:Z {
H{}&|;0 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
XM]m%I }
rNN>tpZ} }
p(yv }
C*Q7@+& YmljHQP 样式交替:
!u7KgB<=/F ListItemType itemType = e.Item.ItemType;
1Yb &E7j H!;N0",]N if (itemType == ListItemType.Item )
Z`-$b~0 {
N#u'SGTG e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
u&~Xgq5[ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
$0Y`>3 }
Fs]N9],=I else if( itemType == ListItemType.AlternatingItem)
J jAxNviG {
fN2Sio: e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
@GQe-04W` e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
hDXTC_^s }
I9kz)Q o #S7oW@ 添加一个编号列:
(;fJXgj. DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
e'mF1al DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
zg jg #| 1Ek3^TOv7 for(int i=0;i<dt.Rows.Count;i++)
b!H1|7> {
QQAEG#.5 dt.Rows["number"]=(i+1).ToString();
Luao?;|U }
j~'.XD={ GgxPpS<ne DataGrid1.DataSource=dt;
ykQb;ZP8jh DataGrid1.DataBind();
AE~zmtW qT?{}I DataGrid1中添加一个CheckBox,页面中添加一个全选框
W* LC3B^ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
t|@5,J {
(aYu[ML foreach(DataGridItem thisitem in DataGrid1.Items)
?e9tnk3 {
21!X[)r ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
..yV=idI }
W'6DwV| }
!oyo_h 0Y oKSo 将当前页面中DataGrid1显示的数据全部删除
v7(7WfqP foreach(DataGridItem thisitem in DataGrid1.Items)
;Tbo \Wp9 {
7~2_'YX>: if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
th{J;a {
U)dcemQY string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Lv+{@) Del (strloginid); //删除函数
+ }"+ }
2*snMA }
mc]+j,d H:~bWd'iz 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)
n1\$|[^6 "I56l2dxd 在Application_Start中添加以下代码:
}8^qb5+!3 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
]j0+4w AppSettings["ConnStr"].ToString();
{^oohW - q%,86A> 31. 变量.ToString()
9swHa NFVu~t 字符型转换 转为字符串
10Eun } 12345.ToString("n"); //生成 12,345.00
XU7to]'K 12345.ToString("C"); //生成 ¥12,345.00
wai3g-` 12345.ToString("e"); //生成 1.234500e+004
TX5??o 12345.ToString("f4"); //生成 12345.0000
FKL4`GEm 12345.ToString("x"); //生成 3039 (16进制)
/US% s 12345.ToString("p"); //生成 1,234,500.00%
&_3#W.w~Z ;8[VCU: 32、变量.Substring(参数1,参数2);
QYH#WrIVx Ht.P670 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);
]Q FI> B-g uz[v 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)
)i /w:g> <SCRIPT language="javascript">
]DnAW'm <!--
O#.YTTj function gook(pws)
=?|$}vDO[ {
pbKmFweq frm.submit();
QP~["%}T }
bEF2-FO //-->
Qw_uw QZ) >!5RY8+ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
@Yt394gA%\ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
&Sb)a <tr>
zgFL/a< <td>
oY ~q^Y <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
]6(%tU <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
yoGG[l2k>s <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
ta95]|z"j 8i$|j~M a <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
l!gX-U%- <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
(P E.v1T ~AWn 1vFc </td>
[!U%'' 2RZa} </tr>
wMkHx3XD V|A)f@ Fs </form>
a6zWg7 PN RQ0^
1
R 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。
A*BN
b81^756 下面是获取用户输入的登陆信息的代码:
io\t>_ string name;
EkV#i
name=Request.QueryString["EmailName"];
.hckZx / n-K/dI try
!>'A2V~F {
nt"\FZ*;3 int a=name.IndexOf("@",0,name.Length);
)z&C&Gqz
f_user.Value=name.Substring(0,a);
~;6^n f_domain.Value=name.Substring(a+1,name.Length-(a+1));
*_YH}U f_pass.Value=Request.QueryString["Psw"];
AxEdQRGk }
oM1C/=8
F&`%L#s| catch
LV ]10v6 {
BZv:E?1z Script.Alert("错误的邮箱!");
DN%JT[7 Server.Transfer("index.aspx");
aAqM)T83 }