1. 打开新的窗口并传送参数:
{vAv ;m .
,n>#lL 传送参数:
U_C1GT-| response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
ioS(;2F RE75TqYW 接收参数:
r4Jc9Tvd string a = Request.QueryString("id");
Y**|e4 string b = Request.QueryString("id1");
zvnR'\A_ y8=H+Y 2.为按钮添加对话框
*Nh[T-y(s Button1.Attributes.Add("onclick","return confirm(’确认?’)");
-85W/% button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
xsdi\
j;n> '#@tovr 3.删除表格选定记录
qFYM2 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ju?D=n@i string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
G^/8lIj rnTjw
"% 4.删除表格记录警告
TbA=bkj[4 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
\ POQeZ {
R3%&\<a)9 switch(e.Item.ItemType)
]Br6!U4~ {
DS1_hbk case ListItemType.Item :
;B!u=_' case ListItemType.AlternatingItem :
YA%0{Tdxz case ListItemType.EditItem:
V'&`JZK6 TableCell myTableCell;
ww$Ec myTableCell = e.Item.Cells[14];
ua>YI LinkButton myDeleteButton ;
_G=k^f_ myDeleteButton = (LinkButton)myTableCell.Controls[0];
O4A{GO^q myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
&S+ooj break;
Ow4H7sl default:
X[KHI1@w break;
L9":= }
_iZ_.3Ip Z</.Ss 4 }
x 2Cp{+} &+zS4)UK 5.点击表格行链接另一页
C(kIj private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9&}i[x4 {
~zT7 43 //点击表格打开
R\d)kcy4 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sW]fPa(cn, e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
aJ^RY5 }
=S:Snk% R;EdYbiF b 双击表格连接到另一页
zyi;vu w_]`)$9 在itemDataBind事件中
MGE8S$Z if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
QNesiV0MI {
.-HwT3 string OrderItemID =e.item.cells[1].Text;
/[RO>Z9 ...
#[.aj2 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
| )M>;q }
%d"d<pvx C6{\^kG^j2 双击表格打开新一页
5>u,Qh if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@X g5E {
Ty;P`Uv]r string OrderItemID =e.item.cells[1].Text;
qz6@'1 ...
K#!c<Li# e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
A{Dy3tm= }
bx8;`QMX {YigB ★特别注意:【?id=】 处不能为 【?id =】
Usz O--.C 6.表格超连接列传递参数
@[. 0, <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
aT"0tn^LO <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
^(on"3sG H4"'&A7$ 7.表格点击改变颜色
s2*~n_B if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ATscP hk {
c1aIZ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
[h[@?8vB this.style.color=’buttontext’;this.style.cursor=’default’;");
urK~]68 }
AMf{E Z(:q.{"r 写在DataGrid的_ItemDataBound里
j9^V)\6) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
N83c+vs%c {
hxe X6 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
e
.1!
K this.style.color=’buttontext’;this.style.cursor=’default’;");
!
n13B e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
xka&,`z }
,zVS}!jRhy ]m<z >&%#`PKT 8.关于日期格式
q)PLc{NO Bx9v2x. 日期格式设定
&Xh_`*]ox DataFormatString="{0:yyyy-MM-dd}"
:^H2D=z@ vMYL( ]e 我觉得应该在itembound事件中
^Cy=L] e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
s@D/.X PQJw"[N/YM 9.获取错误信息并到指定页面
<`'T#e$ 5/YGu=, 不要使用Response.Redirect,而应该使用Server.Transfer
5u=>~yK+ X([p0W
9V( e.g
:`>bh // in global.asax
kr>4%Ndm7 protected void Application_Error(Object sender, EventArgs e) {
92XG|CWX if (Server.GetLastError() is HttpUnhandledException)
oF L7dL Server.Transfer("MyErrorPage.aspx");
Gw-y6e'|Y c$^~7.~{Qy //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
'|J~2rbyr }
*w$3/ x|`BF%e/v Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
t0.71( _Nacqa 10.清空Cookie
%fMFcL#h Cookie.Expires=[DateTime];
R1vuf*A5, Response.Cookies("UserName").Expires = 0
*%CDQx0} 9v@P|
11.自定义异常处理
i+ICgMcd //自定义异常处理类
)}lO%B'K using System;
^?5HagA using System.Diagnostics;
H7%q[O +;/ s0 namespace MyAppException
8/T[dn {
sZPyEIXie /// <summary>
9%Qlg4~<s /// 从系统异常类ApplicationException继承的应用程序异常处理类。
V
`7(75 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
OF/hD2V /// </summary>
[P*zm 8b public class AppException:System.ApplicationException
&oxHVZJ {
wA\a ]X. public AppException()
D6,Ol4d {
kX%vTl7F if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
]FEDAGu }
}'`}| pM$ 3/V0w|ZgD public AppException(string message)
.<4U2h {
Qz4Do6#y LogEvent(message);
T/234;Uf| }
yb6gYN XwIKpr8 public AppException(string message,Exception innerException)
@{{6Nd5 {
>S>B tRl LogEvent(message);
tUi@'%>=5 if (innerException != null)
DT3"uJTt {
~,7Tj LogEvent(innerException.Message);
%>!W+rO, }
J
p)I9k,Ez }
9AJ"C7 K57u87=*X? //日志记录类
MU:q`DRr using System;
=[,EFkU?B using System.Configuration;
gH
yJ~ using System.Diagnostics;
_B0C]u3D using System.IO;
'x6rU"e $J using System.Text;
wOg#J using System.Threading;
'| p"HbJ L~Y^O`c namespace MyEventLog
jo'
V.]\ {
I]a [Ngj /// <summary>
f7/M _sx /// 事件日志记录类,提供事件日志记录支持
P'^& SK /// <remarks>
q$PO.# /// 定义了4个日志记录方法 (error, warning, info, trace)
-"rANP-UI /// </remarks>
^hcK& /// </summary>
'^`iF,rg public class ApplicationLog
wZVLpF+7 {
XT?wCb41R /// <summary>
Clb7=@f /// 将错误信息记录到Win2000/NT事件日志中
Nq1YFI>W /// <param name="message">需要记录的文本信息</param>
,P%i%YPj /// </summary>
hP}-yW6] public static void WriteError(String message)
5zOC zm {
mt~E&Z(A WriteLog(TraceLevel.Error, message);
E24j(> }
Mm;[f'{M) 3&6sQ-}* /// <summary>
"}vxHN# /// 将警告信息记录到Win2000/NT事件日志中
_2hZGC%&E /// <param name="message">需要记录的文本信息</param>
@z^7*#vQv /// </summary>
~G1B}c] public static void WriteWarning(String message)
~OWpk)Vq {
|K" nSXzk WriteLog(TraceLevel.Warning, message);
DMOP*;Uk }
UF$O@l +8Y|kC{9" /// <summary>
g7{:F\S /// 将提示信息记录到Win2000/NT事件日志中
dQ_hlx!J /// <param name="message">需要记录的文本信息</param>
(|>rDk; /// </summary>
izzX$O[=: public static void WriteInfo(String message)
Tgl > {
R90#T6^ WriteLog(TraceLevel.Info, message);
V|~o`(] }
U>sEFzBup /// <summary>
eD8e0
D'S /// 将跟踪信息记录到Win2000/NT事件日志中
gVrfZ&XF84 /// <param name="message">需要记录的文本信息</param>
|w+
O.%= /// </summary>
rZWs-]s6t public static void WriteTrace(String message)
Ckc5;:b&m {
)2Bb,p<Wr WriteLog(TraceLevel.Verbose, message);
H>o \C }
%|j8#09 O`5h jq# /// <summary>
\AIFIy /// 格式化记录到事件日志的文本信息格式
/P Tq. /// <param name="ex">需要格式化的异常对象</param>
[N#4H3GM8 /// <param name="catchInfo">异常信息标题字符串.</param>
Km,%p@`m /// <retvalue>
q0DRT4K /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
[RY Rt/?Q /// </retvalue>
[] el4.J, /// </summary>
lF
t^dl^ public static String FormatException(Exception ex, String catchInfo)
?C- ju8]| {
U1(cBY StringBuilder strBuilder = new StringBuilder();
v!$:t<-5N if (catchInfo != String.Empty)
mT #A?C2 {
E]}_hZU strBuilder.Append(catchInfo).Append("\r\n");
t1G__5wp }
M|Nh(kvH strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
9kB R /{ return strBuilder.ToString();
A!Tm[oqu }
*(qj!U43 zXU
g( xu /// <summary>
@vB-.XU /// 实际事件日志写入方法
jz]}%O /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
(>AQ\ /// <param name="messageText">要记录的文本.</param>
MiR$N /// </summary>
~FQHT?DAo private static void WriteLog(TraceLevel level, String messageText)
#d06wYz= {
uEf=Vj}G try
&er,Wyc( {
Y`(~eNX^% EventLogEntryType LogEntryType;
97qf3^gGd switch (level)
BMqr YW {
7t1as. case TraceLevel.Error:
5E*Qqe LogEntryType = EventLogEntryType.Error;
"vg.{ break;
jgS3# case TraceLevel.Warning:
ANJL8t-m LogEntryType = EventLogEntryType.Warning;
tfu`_6 break;
}+Q4s] case TraceLevel.Info:
b^&azUkMN LogEntryType = EventLogEntryType.Information;
bWSc&/9y break;
B"zB=Aw case TraceLevel.Verbose:
,iY:#E LogEntryType = EventLogEntryType.SuccessAudit;
jD%|@ux break;
|>[qC O default:
CyS%11L LogEntryType = EventLogEntryType.SuccessAudit;
H%etYpD break;
G0~Z|P }
99(@O,*(Y H=\Tse_. EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
?@7!D8$9 //写入事件日志
=@S
a\; eventLog.WriteEntry(messageText, LogEntryType);
_/'VD!(MV !tcz_% }
k5J18S catch {} //忽略任何异常
dpK- }
QnP?j& } //class ApplicationLog
G+Bk!o }
'2hy% 2g~ @99` 12.Panel 横向滚动,纵向自动扩展
"}#%h&, <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
\*'@F+ Kn<+Au_]L 13.回车转换成Tab
Z4c'1-lh <script language="javascript" for="document" event="onkeydown">
O!^ >YvOh if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
KeRC8mYp event.keyCode=9;
xm1' </script>
K~2sX>l j*[P\Cm onkeydown="if(event.keyCode==13) event.keyCode=9"
v+[S${ (z.n9lkfi 14.DataGrid超级连接列
ZNM9@;7 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
|TP, ^,mN-.W 15.DataGrid行随鼠标变色
lM}-'8tt? private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
iF":c}$. {
_x1W\# if (e.Item.ItemType!=ListItemType.Header)
/CMgWGI {
09trFj$L e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
@;$cX2 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
:CK`v6 Qs }
DB65vM }
,|3_@tUl +RJKJ:W 16.模板列
c;Tp_e@ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
x,]x>Up <ITEMTEMPLATE>
JN4gH4ez) <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
e^3D`GA </ITEMTEMPLATE>
('Qq"cn# </ASP:TEMPLATECOLUMN>
ok0ZI>=, |m6rF7Q <ASP:TEMPLATECOLUMN headertext="选中">
a/J Mg <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
&P>& T <ITEMTEMPLATE>
!02y'JS1 <ASP:CHECKBOX id="chkExport" runat="server" />
hc[J,yG </ITEMTEMPLATE>
'|Bk}pl7 <EDITITEMTEMPLATE>
ep?D;g <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
U._fb= </EDITITEMTEMPLATE>
W] DGt|JP </ASP:TEMPLATECOLUMN>
LU+SuVm Bpm COA 后台代码
24k]X`/n protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
'*65j {
dKCl#~LAI' //改变列的选定,实现全选或全不选。
3)ox8,{%} CheckBox chkExport ;
7<*0fy5n n if( CheckAll.Checked)
_z8"r& {
VFx[{Hy foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
li
v=q {
CHZ/@gc chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
@'):rFr@F chkExport.Checked = true;
,zr9* t }
OylUuYy~j }
yj#FO'UY else
ZS4dW_*[ {
yo->mD foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*$|f9jVh {
^|p D(v chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
LH)1IGAx2y chkExport.Checked = false;
i!*<LIq }
axph]o@ y@ }
s>I]_W)Pt }
$[?N^
/<n7iIK) 17.数字格式化
[?|yQ x E:B"!Y6 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
%&&)[ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
}4!}vkVx LKp;sV int i=123456;
>6jal?4u- string s=i.ToString("###,###.00");
KpLaQb q[W6I9 18.日期格式化
Khi;2{` 6E
K <9M 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
5,##p"O( -dO8Uis$ 显示为: 2004-8-11 19:44:28
IqFcrU$4 I:/|{:5 我只想要:2004-8-11 】
A+8)VlE\ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
;$zvm`|: .Z'NH
wCy 应该如何改?
\wsVO"/ 2wB*c9~ 【格式化日期】
%L-qAI&V /CO=!*7fz
取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
L&)e}" hZ452W 【日期的验证表达式】
K$,<<hl mz%l4w?' A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
}q]*aADe ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
}A@:JR+|
W)bSLD B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
f3G:J<cL ^\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]))$
BKtb@o~( {[tmz;C 【大小写转换】
yP# Y:s HttpUtility.HtmlEncode(string);
.U=x2txb HttpUtility.HtmlDecode(string)
LEPTL#WT1 H=,>-eVv* 19.如何设定全局变量
xok
T f4\$<g/~ Global.asax中
jY%.t)>) au+Jz_$) Application_Start()事件中
A :KZyd"Z SO *oBA' 添加Application[属性名] = xxx;
=TNFAt HM0&% 就是你的全局变量
WwTl|wgvyI M>m!\bb%. 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
[pEb`s ()Kaxcs?+ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
kN1R8| pv "*D9.LyM 【ASPNETMENU】点击菜单项弹出新窗口
{+_p?8X g$#A'Du 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
~mt{j7 <?xml version="1.0" encoding="GB2312"?>
48^C+#Jbc <MenuData ImagesBaseURL="images/">
Vf~-v$YI <MenuGroup>
'}(>s%~ <MenuItem Label="内参信息" URL="Infomation.aspx" >
Miw=2F <MenuGroup ID="BBC">
!ITM:% <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
0j4n11# <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
A|1xK90^XT ......
KCbJ^Rln >'q]ypA1
最好将你的aspnetmenu升级到1.2版
L-E?1qhP> q x1Js3% 21.读取DataGrid控件TextBox值
j>;1jzr2} foreach(DataGrid dgi in yourDataGrid.Items)
-ak.wwx\ {
FWW@t1) TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
/iM1 tb.Text....
G\MeJSt* }
!Whx^B: K) 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?
lMu9Dp 9y&;6V.' 〖思归〗
bj@R[!ss <asp:TemplateColumn HeaderText="数量">
$8U$.~v <ItemTemplate>
m-\_L=QzM <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
^j${#Q onkeyup="javascript:DoCal()"
Cq/u$G />
2HBey i0wBZ i? <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
@d~]3T </ItemTemplate>
:Ob^b3<t </asp:TemplateColumn>
=>c0NT +JC"@
<asp:TemplateColumn HeaderText="单价">
'@+q_v@Jl <ItemTemplate>
Ew{*)r)m <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
*&Iv Eu onkeyup="javascript:DoCal()"
/D^ g" />
6?%$e$s F%$ q]J[ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
K<::M3eQ dF 6od </ItemTemplate>
*q=\e 9 </asp:TemplateColumn>
t^K Qv~ C4ktCN <asp:TemplateColumn HeaderText="金额">
qonStIP <ItemTemplate>
uwI"V|g%a& <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
K]B`&ih </ItemTemplate>
|pBFmm* </asp:TemplateColumn><script language="javascript">
:TP4f
?FA function DoCal()
+{=U!}3| {
$eT[`r var e = event.srcElement;
./3/3&6 var row = e.parentNode.parentNode;
(?'vT% var txts = row.all.tags("INPUT");
(_FeX22+ if (!txts.length || txts.length < 3)
RAu(FJ return;
x?B`p"ifS rp<~=X var q = txts[txts.length-3].value;
G7`mK}J7 var p = txts[txts.length-2].value;
J5jI/P 6p&2A if (isNaN(q) || isNaN(p))
( z)#}TC return;
r*mSnPz\q YKU|D32 q = parseInt(q);
$-pijBiz_ p = parseFloat(p);
x2&5zp 9eHqOmz txts[txts.length-1].value = (q * p).toFixed(2);
4@\$k+v }
zi`q([ </script>
P(I%9
Ws2?sn#x vs+aUT C\ ^CQp5k p] QA^FP8!j 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
/SM 7t_ page_load
73S
N\ page.smartNavigation=true
jPz1W4pk >#&2 5,Q 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
N.Q}.(N0 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
seAPVzWUU {
NQuqM`LSQ for(int i=0;i<e.Item.Cells.Count-1;i++)
`_1fa7,z if(e.Item.ItemType==ListItemType.EditType)
x%H,ta% {
J,:;\Xhl e.Item.Cells.Attributes.Add("Width", "80px")
CF-tod }
l?_Fy_fBt }
rrE f<A} 8EJP~bt 26.对话框
|%|Vlu private static string ScriptBegin = "<script language=\"JavaScript\">";
x;:jF_ private static string ScriptEnd = "</script>";
]G8"\J4 & F?FfRzZ[ public static void ConfirmMessageBox(string PageTarget,string Content)
EQpF:@_ {
AFBWiuwI3 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
fD\Fq'29{ X-"
+nThMn ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
#/H2p`5 ~;]zEq-hG Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
TUwX4X6m ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
N8kNi4$mp= //Response.Write(strScript);
V'dw=W17V }
x%ccNP0 NLx TiyQy 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
fyT|xI`iD JJg;X :p 1.1 取当前年月日时分秒
M,kO7g currentTime=System.DateTime.Now;
b?,%M^9\` "WtYqXyd 1.2 取当前年
^jRX6 int 年= DateTime.Now.Year;
'`<Fys&: `Xeiz'~f8 1.3 取当前月
=E!Y f#p+q int 月= DateTime.Now.Month;
cl4_M{~ (`#z@,1 1.4 取当前日
:t "_I int 日= DateTime.Now.Day;
9(!AKKrr; hP.Km%C)0n 1.5 取当前时
s3@mk\?qMe int 时= DateTime.Now.Hour;
FVL{KNW~i !'[?cEog 1.6 取当前分
]o=ON95ja int 分= DateTime.Now.Minute;
O
x`K7$) Sa@'?ApH 1.7 取当前秒
j+
L:Ao int 秒= DateTime.Now.Second;
`x >6Wk1 v{"yrC 1.8 取当前毫秒
R:Ih#2R int 毫秒= DateTime.Now.Millisecond;
F1-C8V2H u&TXN;I,p 28.自定义分页代码:
!kb:g]X bd%<
Jg+ 先定义变量 :
I7=A!C" public static int pageCount; //总页面数
="vg/@.>i public static int curPageIndex=1; //当前页面
gzKMGL?%? S!gzmkGcj 下一页:
#M'V%^x P if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
zv;xxAX {
1$C?+H DataGrid1.CurrentPageIndex += 1;
zv/dj04> curPageIndex+=1;
]s)Y">6 }
d8 Jf3Mo Wuk8&P3 bind(); // DataGrid1数据绑定函数
0m> 8 ]i0=3H2 上一页:
U~?mW,iRL if(DataGrid1.CurrentPageIndex >0)
6=,zkU*i^ {
zd!%7
UP DataGrid1.CurrentPageIndex += 1;
xb0,dZb curPageIndex-=1;
#%E^cGfY }
P?|\Ig1Gk gzat!>* bind(); // DataGrid1数据绑定函数
,#GB "zXrfn 直接页面跳转:
{n|Uf 5 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
UmGKj9u Rmn{Vui9\ if(a<DataGrid1.PageCount)
r7?nHF {
jpZq]E9`P this.DataGrid1.CurrentPageIndex=a;
'
i5KRFy- }
$YY{|8@kjv 4<E <sD bind();
m`q&[: ewdTsgt' 29.DataGrid使用:
L%\Wt1\[ iOb7g@= 添加删除确认:
0#uB[N private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
QZ;DZMP {
#l:
1R&F foreach(DataGridItem di in this.DataGrid1.Items)
Piwox1T; {
uCuB>x& if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
M&faa7 {
QT%vrXzz ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
OA\]|2 : }
m||9,z- }
%+|sbRBb }
QE)zH)(
I''n1v?N 样式交替:
3)?WSOsL: ListItemType itemType = e.Item.ItemType;
|V{ Q vp!F6ZwO if (itemType == ListItemType.Item )
+'olC^?5 } {
)YAU|sCAi$ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
h2Th)&Fb> e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
7D:rq 8$\ }
C^B$_? else if( itemType == ListItemType.AlternatingItem)
+0Q +0: {
kb/BEJ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
#wRhR>6 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
MY
c& }
(F.w?f4B3 #<eD 添加一个编号列:
ceCO *m~ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
qS!N\p~> DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Pz:,de~5Qm 9Sd?,z for(int i=0;i<dt.Rows.Count;i++)
{}Is&^3Z {
aD'Ax\- dt.Rows["number"]=(i+1).ToString();
#rBfp|b]1 }
U2W Hs3 R@tEC)Zn DataGrid1.DataSource=dt;
w4TQ4
Y DataGrid1.DataBind();
'2<r{ kAPSVTH$v DataGrid1中添加一个CheckBox,页面中添加一个全选框
'OP0#`6` private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
a`f@&A`z {
g%[:wjV; foreach(DataGridItem thisitem in DataGrid1.Items)
/w5*R5B{ {
dc1Zh
W4 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
g<0K
i^# }
Avi_]h& }
_<sN54 BU??}{ 将当前页面中DataGrid1显示的数据全部删除
Gs3V]qbEP foreach(DataGridItem thisitem in DataGrid1.Items)
6G"UXNa, {
e:'56?| if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
#Mk:4 {
L)F4)VL string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
H2#o
X Del (strloginid); //删除函数
y1PyH }
2/s42
FoG }
Jkbeh. _FE uQ9E 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
`<>QKpAn kI@<H< 在Application_Start中添加以下代码:
j_<!y(W Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
ysIhUpd AppSettings["ConnStr"].ToString();
aHpZhR|f$ ZBY2,%nAo 31. 变量.ToString()
WfG +_iP? @Bhcb.kbq 字符型转换 转为字符串
\'Et)uD* 12345.ToString("n"); //生成 12,345.00
wW)(mY? 12345.ToString("C"); //生成 ¥12,345.00
+M_ _\7 12345.ToString("e"); //生成 1.234500e+004
4E=v)C' 12345.ToString("f4"); //生成 12345.0000
W9tZX5V1 12345.ToString("x"); //生成 3039 (16进制)
Mkk.8AjC| 12345.ToString("p"); //生成 1,234,500.00%
_[Imwu} a4 N f\7 32、变量.Substring(参数1,参数2);
!Pnjr T ! {G0' 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);
l}VE8-XB ^4"AWps 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)
u|Mx} <SCRIPT language="javascript">
+D]raU <!--
0D@ $ function gook(pws)
-/{FGbpR; {
BPt? 3tC frm.submit();
1Pw1TO"Z
}
VlA]A,P}i //-->
;zD4#7= }a~hd*-# </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
L98T!5) <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
~).D\Q\ <tr>
U-fxlg|-C <td>
_r\M}lDh* <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
QNU~G3 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
fpo{`;&F <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
GVnDN~[
3lpxh_ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
0`c{9gY. <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
h L [ eA W>d)( </td>
%ZWt 45A (M$>*O3SR </tr>
c6 mS -X$EE$: </form>
wxh\CBxG QtKcv7:4 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
x$BNFb%I1 jUA~}DVD 下面是获取用户输入的登陆信息的代码:
-W('^v_* string name;
*qO)MpG{ name=Request.QueryString["EmailName"];
0,ryy,2 =ejU(1 g try
Yr-SlO> {
G|1.qHP[F int a=name.IndexOf("@",0,name.Length);
XxmWj-=qO f_user.Value=name.Substring(0,a);
9N9&y^SmD f_domain.Value=name.Substring(a+1,name.Length-(a+1));
fuUtM_11 f_pass.Value=Request.QueryString["Psw"];
.4WJk>g }
T*C25l;w 4y7_P0}:B catch
"*t6KXVaM {
ZuGd{p$ Script.Alert("错误的邮箱!");
A<)n H=G& Server.Transfer("index.aspx");
65~E<)UJ }