1. 打开新的窗口并传送参数:
UG,<\k& l|Y?]LNr 传送参数:
Vx#n0z response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
!5VT[w
1 =[D
'3JB 接收参数:
;
`Vbl_"L string a = Request.QueryString("id");
^77Q4"{W string b = Request.QueryString("id1");
-|WQs'%O p_:bt7
B 2.为按钮添加对话框
vFx0B? Button1.Attributes.Add("onclick","return confirm(’确认?’)");
0)0,&@])7 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
I%b}qC"5M +>BD^[^^ 3.删除表格选定记录
6qF9+r&e? int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
'<!T'l:R:/ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
?H0"*8C?Y 5bHS| < 4.删除表格记录警告
gY/p\kwsj private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
H3Zsm)+: {
J};=)xLX; switch(e.Item.ItemType)
Fs 95^T {
8w\ZY>d case ListItemType.Item :
z:JQ3D7/we case ListItemType.AlternatingItem :
F4|U\,g case ListItemType.EditItem:
D"vl$BX TableCell myTableCell;
'>U&B} myTableCell = e.Item.Cells[14];
?(2^lH~6h LinkButton myDeleteButton ;
.?NraydwV myDeleteButton = (LinkButton)myTableCell.Controls[0];
i!7|YAu myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
1c19$KHu break;
U:+wt}-T" default:
Ra-%,cS break;
RKtU@MX49 }
%kXg|9Bx! c-".VF }
V")u
y&Ob 'p> *4} 5.点击表格行链接另一页
5LVzT1j| private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
UgC{ {
VPI;{0kh //点击表格打开
Uf`~0=w if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
IM 8lA e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
RS9mAeX4h }
7:P+ S%ZL qf?X:9Wt 双击表格连接到另一页
Ns#R`WG) UWIw/(Mv/] 在itemDataBind事件中
l0@+&Xj if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
d>k"#| {
>oasA2S string OrderItemID =e.item.cells[1].Text;
t{g7 :A ...
>21f%Z e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
n~C!PXE }
"qxu9Hg! ;RW024 双击表格打开新一页
Y-y<gW if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
E5`KUMZkq {
r{
}&* Y string OrderItemID =e.item.cells[1].Text;
W"&Y7("y ...
]zUvs6ksLG e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
xu(N'l.7& }
2nkUvb%= *-lw2M9V ★特别注意:【?id=】 处不能为 【?id =】
xp;CYr"1} 6.表格超连接列传递参数
?o883!&v <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
l
4e`-7 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
's7 (^1hH {6Qd,CX 7.表格点击改变颜色
! 1wf/C;= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
I]vCra {
JR^#NefJ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
L.R4 iN this.style.color=’buttontext’;this.style.cursor=’default’;");
^f_4w|u,+ }
LqcHsUFj /+g)J0u 写在DataGrid的_ItemDataBound里
e%K
oecq if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
,3p$Z {
/KLs+^c5 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
45H(.}&f this.style.color=’buttontext’;this.style.cursor=’default’;");
o5`LLVif5y e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
`;BpdG(m }
oJ`cefcWo Nub)]S>_/t 8AQ@?\Rc"2 8.关于日期格式
d^W1;0 G ,fh/E+ 日期格式设定
io{\+%;b~ DataFormatString="{0:yyyy-MM-dd}"
_C nl|' zC<k4[ . 我觉得应该在itembound事件中
R m^$Dn e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
waRK$/b
( H)VzPe# { 9.获取错误信息并到指定页面
'wm :Xa <A+n[h 不要使用Response.Redirect,而应该使用Server.Transfer
7ea<2va, O4lHR6M2 e.g
(]gd$BgD // in global.asax
%ok??_}$}q protected void Application_Error(Object sender, EventArgs e) {
x_VD9 if (Server.GetLastError() is HttpUnhandledException)
eF=cMC Server.Transfer("MyErrorPage.aspx");
?=#vp / '"Z\8;5i //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
#|R#/Yc@Bv }
MIF`|3$, qGVf!R 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
%!X9>i> 6zR9(c:a~ 10.清空Cookie
g*]/HS>e<G Cookie.Expires=[DateTime];
CaE1h9 Response.Cookies("UserName").Expires = 0
6#gS`X23Y t]14bf$*Q 11.自定义异常处理
lNRGlTD% //自定义异常处理类
2*)2c[/0F using System;
6>=yX6U1q^ using System.Diagnostics;
1~aP)q ::`#qa4! namespace MyAppException
p()#+Xy {
[ ~&yLccN /// <summary>
kfj)`x /// 从系统异常类ApplicationException继承的应用程序异常处理类。
68 \73L= /// 自动将异常内容记录到Windows NT/2000的应用程序日志
p'f8?jt /// </summary>
7H!/et?S, public class AppException:System.ApplicationException
PXrv2q[5? {
/9@[gv
A public AppException()
{i#z<ttu {
Wb{0UkApJ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
hb="J349 }
=`pH2SJT z&KrG public AppException(string message)
JG/Pc1aK {
"&Rt&S LogEvent(message);
pB5#Ho>S }
ATzFs]~K; dn1Fwy. public AppException(string message,Exception innerException)
?%A9}"q] {
;Y9-0W LogEvent(message);
?[VL
2dP0 if (innerException != null)
#UesXv {
&m=73RN LogEvent(innerException.Message);
j[Q9_0R~lR }
R(AS$<p{!> }
6Q*Zy[= *YO^+]nmY //日志记录类
N5d)&a
7? using System;
gzd<D}2F~ using System.Configuration;
Kg6[ using System.Diagnostics;
e%_J
O7 using System.IO;
OaeX:r+&Q using System.Text;
AEd]nVV Q using System.Threading;
?RQ_LA; |5TzRz namespace MyEventLog
NpLZ
,|H {
G nPrwDB /// <summary>
m"/ o4 /// 事件日志记录类,提供事件日志记录支持
L.?QZN%cN /// <remarks>
;V0^uB.z /// 定义了4个日志记录方法 (error, warning, info, trace)
W"n0x8~sV /// </remarks>
K
7OIT2- /// </summary>
/
DG t public class ApplicationLog
ItD&L
)) {
=n<Lbl(7 /// <summary>
zQ~ax!}R /// 将错误信息记录到Win2000/NT事件日志中
x:$ xtu /// <param name="message">需要记录的文本信息</param>
|R&cQKaQ` /// </summary>
!rsGCw!Pg public static void WriteError(String message)
?>s[B7wMp {
'W*:9wah WriteLog(TraceLevel.Error, message);
b[KZJLZ) }
,n3e8qd e);`hNLih /// <summary>
Z^!%
b /// 将警告信息记录到Win2000/NT事件日志中
Fs(FI\^ /// <param name="message">需要记录的文本信息</param>
0fzHEL /// </summary>
y|/[; public static void WriteWarning(String message)
1I?`3N {
2h:{6Gq8 WriteLog(TraceLevel.Warning, message);
D/YMovH% }
i_e%HG Dv"HFQuF /// <summary>
Marx=cNj /// 将提示信息记录到Win2000/NT事件日志中
UQ#t & /// <param name="message">需要记录的文本信息</param>
GIZw/L7Yb /// </summary>
Ge7Uety public static void WriteInfo(String message)
Nsn~mY% {
cq0-Dd9^& WriteLog(TraceLevel.Info, message);
r yNe=9p }
5=&ME(fmV /// <summary>
c!ieN9^+ /// 将跟踪信息记录到Win2000/NT事件日志中
J9-n3o /// <param name="message">需要记录的文本信息</param>
X;]Ijha<* /// </summary>
\q@Co42n\ public static void WriteTrace(String message)
gA}?X {
zfw=U
\ WriteLog(TraceLevel.Verbose, message);
qV0GpVJZU? }
wxo*\WLe G=/^]E /// <summary>
#y-R*4G /// 格式化记录到事件日志的文本信息格式
Du #>y! /// <param name="ex">需要格式化的异常对象</param>
Z4oD6k5oc /// <param name="catchInfo">异常信息标题字符串.</param>
+rJDDIb /// <retvalue>
:s*t\09V7 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
K7R!E,oPg /// </retvalue>
2m^qXE$ /// </summary>
eLIZ<zzW0} public static String FormatException(Exception ex, String catchInfo)
2<9&OL {
Z!-V&H. StringBuilder strBuilder = new StringBuilder();
lK_T%1Gz if (catchInfo != String.Empty)
:%_h'9Qq {
Vi`P
&uPF strBuilder.Append(catchInfo).Append("\r\n");
KM"BHaSkF }
jO-T1P']Y strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
@ZRg9M:N return strBuilder.ToString();
DwGRv:&HH }
vmg[/# nC(Lr,( /// <summary>
2@W`OW Njm /// 实际事件日志写入方法
y+p"5s" /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
D#P]tt.Z /// <param name="messageText">要记录的文本.</param>
w3;{z ,,T /// </summary>
tA]u=-_h private static void WriteLog(TraceLevel level, String messageText)
T+q5~~\d {
%l?*w~x try
$*`E;}S0 {
&NOCRabc EventLogEntryType LogEntryType;
@?>5~ switch (level)
W_6gV {
%l,CJd5 case TraceLevel.Error:
7K ~)7U LogEntryType = EventLogEntryType.Error;
pk`5RDBu break;
zm8k,e +5- case TraceLevel.Warning:
;d<O/y,:4 LogEntryType = EventLogEntryType.Warning;
5=\^DeM@
H break;
KZO[>qC"R case TraceLevel.Info:
eLLOE)x LogEntryType = EventLogEntryType.Information;
;l^'g}dQ^ break;
4V c``Um case TraceLevel.Verbose:
O`$\Plt|v LogEntryType = EventLogEntryType.SuccessAudit;
+koW3> break;
>{l
b|Vx default:
KrR`A(=WL LogEntryType = EventLogEntryType.SuccessAudit;
LP !d|X break;
-(7oFOtg }
m%'T90mi F"cZ$TL] EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Apj[z2nr //写入事件日志
[nG[ x|;| eventLog.WriteEntry(messageText, LogEntryType);
?9%$g?3Z TqSjL{l% }
X#Ob^E%J catch {} //忽略任何异常
Qsw.429t }
V CVKh } //class ApplicationLog
el\xMe^SY }
2I|lY>Z v}id/brl 12.Panel 横向滚动,纵向自动扩展
f'bwtjO <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
~!M" );h 13.回车转换成Tab
XD"
4t4~> <script language="javascript" for="document" event="onkeydown">
@+1AYVz(k if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
B`gH({U event.keyCode=9;
#3tC"2MZ </script>
bN6i *)} )?I*zc onkeydown="if(event.keyCode==13) event.keyCode=9"
P,b&F .4l
cES~ 14.DataGrid超级连接列
;VE KrVD DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
<2fy(9y =**Q\Sl 15.DataGrid行随鼠标变色
%%#bTyF private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
<Ql2+ev6 {
24
.'+3 if (e.Item.ItemType!=ListItemType.Header)
GvvKM=1 {
9-vQn/O^D e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
9Fw NX e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
[:}"MdU' }
UkXa mGoy3 }
e+<| ktRGl>J 16.模板列
*yY\d.6( <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
2G<XA <ITEMTEMPLATE>
Sn^M[}we <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
t BG
9Mn </ITEMTEMPLATE>
;JMmr-@ </ASP:TEMPLATECOLUMN>
cnRgzj<ek bvHQ #:}H <ASP:TEMPLATECOLUMN headertext="选中">
bR1Q77<G\ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
7F_N{avr <ITEMTEMPLATE>
|qwx3 hQ? <ASP:CHECKBOX id="chkExport" runat="server" />
+G\i$d;St </ITEMTEMPLATE>
rg=Ym. <EDITITEMTEMPLATE>
K`j:F>b <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
$~j9{*]5 </EDITITEMTEMPLATE>
IxG7eX! </ASP:TEMPLATECOLUMN>
)/Gi-:: O<$j}?2 后台代码
=q|//*t2 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
:Rnwyj]) {
2[j`bYNe //改变列的选定,实现全选或全不选。
lA;qFXaN> CheckBox chkExport ;
K`60[bdp if( CheckAll.Checked)
];5Auh0o {
(9=E5n6o foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
vP+qwvpGr {
HV7f%U chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
d(@ ov^e- chkExport.Checked = true;
yW\kmv.O }
_3NH"o
d }
8H T3C\$s else
+F%tBUY{< {
Ct zWdo. foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.JJ50p {
A0,e3gb chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
_
b</
::Tp chkExport.Checked = false;
.TDg`O24c, }
YXh!+} }
Zz]/4 4t }
]0SqLe g[uf
e< 17.数字格式化
O(9*VoD p:eaZ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
"q!*RO'a <%#Container.DataItem("price","{0:¥#,##0.00}")%>
H0yM`7[y e
'F:LMX int i=123456;
sY?wQ: string s=i.ToString("###,###.00");
rx@i.+ !,rF(pz 18.日期格式化
JiuA"ks) U.b|3E/^ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
(<@`MPI\@ ^R)]_ 显示为: 2004-8-11 19:44:28
2$VSH& feeHXKD| 我只想要:2004-8-11 】
1'iQlnMO@ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
g6S-vSX, hN\sC9a1 应该如何改?
dTlEEgR jxt]Z3a ~0 【格式化日期】
CC'N"Xb \3%3=: 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
}_mMQg2>= ~2yhZ 【日期的验证表达式】
Fu\#:+5\ -V[!qI A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
fY #Y n ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
ipt]qJFd T&bB8tQk B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
a<>cbP ^\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]))$
l<ZHS'-;8 2R^Eea 【大小写转换】
2+pXtP@O HttpUtility.HtmlEncode(string);
{sj{3I u HttpUtility.HtmlDecode(string)
aGws?<1$ 'z)cieFKP 19.如何设定全局变量
so| U&`G <X5ge>. Global.asax中
$fT#Wva-\d %da-/[ Application_Start()事件中
zwP*7u$CH \%%M >4c 添加Application[属性名] = xxx;
;XlCd[J< Ex@}x#3 就是你的全局变量
qK~]au:C $
9E"{6;@ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
hx/A215L b^()[4M; HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
PL!dkaD^y> =4U$9jo!; 【ASPNETMENU】点击菜单项弹出新窗口
,JTyOBB<I "A5z!6T{ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
\_i22/Et <?xml version="1.0" encoding="GB2312"?>
BO6XY90( <MenuData ImagesBaseURL="images/">
e 0Z2B2 <MenuGroup>
D~`RLPMk <MenuItem Label="内参信息" URL="Infomation.aspx" >
D$rn?@&g <MenuGroup ID="BBC">
/^I!)|At <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
qg<Y^y <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
:<0lC j ......
wyAh%'V p6)6Gcx 最好将你的aspnetmenu升级到1.2版
npbf>n^R xo n^=Wo; 21.读取DataGrid控件TextBox值
c?GV foreach(DataGrid dgi in yourDataGrid.Items)
f.E{s*z> {
qzLD TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
qLKL*m tb.Text....
#SjCKQ~ }
De>,i%`Q,D -lq`EB+ 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?
-~H
"zu` ymnK `/J!Q 〖思归〗
FP0GE <asp:TemplateColumn HeaderText="数量">
g:p`.KuB <ItemTemplate>
+JXn <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
A_2lG!!
6 onkeyup="javascript:DoCal()"
v;}MHl />
CP$,fj ~3-+~y=o~ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
%zDi|WZ </ItemTemplate>
6@FxPi9|# </asp:TemplateColumn>
k)8*d{ * O0bOv S <asp:TemplateColumn HeaderText="单价">
ra_TN;( <ItemTemplate>
<;jg/ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
3vQVk onkeyup="javascript:DoCal()"
[;'$y:L=g />
,W/Y@ScC z U*Mk <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
AXnKhYlu (OavgJ+Y </ItemTemplate>
D$w? </asp:TemplateColumn>
Bi"cWO e ^`La*n <asp:TemplateColumn HeaderText="金额">
8vfC <ItemTemplate>
<$#^)]Ts <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
TQ[J, </ItemTemplate>
_.EM])b </asp:TemplateColumn><script language="javascript">
pE0@m-p function DoCal()
E>2AG3) {
?#nk}=;g8 var e = event.srcElement;
~*~aFf5 var row = e.parentNode.parentNode;
{?A/1q4rr var txts = row.all.tags("INPUT");
8)83j6VF if (!txts.length || txts.length < 3)
^?A>)?Sq return;
gd]_OY7L N
f}ZG var q = txts[txts.length-3].value;
[<Mls@? var p = txts[txts.length-2].value;
gl2l%]=\' p6Ia)!xOGF if (isNaN(q) || isNaN(p))
BE0Xg return;
PfhKomt" "{~^EQq, q = parseInt(q);
J'L6^-gV p = parseFloat(p);
SaRn>n\ ,XN4Iy#BZl txts[txts.length-1].value = (q * p).toFixed(2);
vo~Qo;m }
w7\
\m9 </script>
N%=,S?b qK%#$JgqA X2P8Zq=%a ldRq:M5z 9c5DEq 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
Fa{[kJ8z page_load
e#WASHZN page.smartNavigation=true
OL@$RTh li#ep?5h^ 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 ?
gnf4H
V~ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
U0N6\+ {
;:Tb_4Hr for(int i=0;i<e.Item.Cells.Count-1;i++)
8\PI1U if(e.Item.ItemType==ListItemType.EditType)
'?3(& {
>yLdrf e.Item.Cells.Attributes.Add("Width", "80px")
|ss4pN0X }
a,n#E!zT?w }
4]xD-sc lcfs
1]. 26.对话框
uE..1N&* private static string ScriptBegin = "<script language=\"JavaScript\">";
NZ+TTMv private static string ScriptEnd = "</script>";
"od2i\ =t|,6Vp public static void ConfirmMessageBox(string PageTarget,string Content)
sn'E}.uhXH {
}"/>, string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
0^F!-b^z f%q ? ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
o,$K=#Iv (SA^>r Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
],'"iVh ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
o}52Qio //Response.Write(strScript);
c68,,rJO]i }
i\#?M " X3~@U7DU 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Oz<#s{Z "DX2Mu= 1.1 取当前年月日时分秒
A3J=,aRI_v currentTime=System.DateTime.Now;
)vY )Mg /
w[Tu 1.2 取当前年
3 k/X;:,. int 年= DateTime.Now.Year;
hdH3Jb_hl( FgR9$ is+ 1.3 取当前月
FB3}M)G>M int 月= DateTime.Now.Month;
Q0g^% S2#@j#\ 1.4 取当前日
I:;umyRH int 日= DateTime.Now.Day;
?0:=+%. L3s"L.G 1.5 取当前时
d9 l2mJzW int 时= DateTime.Now.Hour;
bu=RU D&DbxTi 1.6 取当前分
`1lGAKv int 分= DateTime.Now.Minute;
uu/2C \n} +{%)}?F 1.7 取当前秒
R ^INl@(O int 秒= DateTime.Now.Second;
#K/95!) eEYzA 1.8 取当前毫秒
Fnd_\`9{ int 毫秒= DateTime.Now.Millisecond;
4MCj*ok< 0="wxB 28.自定义分页代码:
nUCOHVI7 NFqGbA| 先定义变量 :
U[Lr+nKo\ public static int pageCount; //总页面数
_KZTY`/* public static int curPageIndex=1; //当前页面
uSH_=^yTQ tCv}+7) 下一页:
F4IU2_CnPD if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
)`mBvS.} {
Sf2xI' DataGrid1.CurrentPageIndex += 1;
%Y9CZRY9 curPageIndex+=1;
vX&W;& }
/*t H$\6* l]~IZTC bind(); // DataGrid1数据绑定函数
:*YnH& n(sseQ|\ 上一页:
\Qf2:[-V0 if(DataGrid1.CurrentPageIndex >0)
!%N@>[ {
:BB=E'293 DataGrid1.CurrentPageIndex += 1;
yl0;Jx? curPageIndex-=1;
/0XmU@B }
^zfs8]QSf #K!"/,d@>J bind(); // DataGrid1数据绑定函数
dZ4c!3'F Q 87'zf 直接页面跳转:
T9Fe!yVA int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
?}(B8^ %8xK BL]J if(a<DataGrid1.PageCount)
dk 0} q6~ {
{vQ:4O!: this.DataGrid1.CurrentPageIndex=a;
BKYyc6iE }
8d&%H, }hcY5E-n bind();
o4agaA3k $weC '-n@ 29.DataGrid使用:
x0lAJaG pnXwE-c_ 添加删除确认:
sD|}?7 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
*&hbfsP: {
NPDMv
|4 foreach(DataGridItem di in this.DataGrid1.Items)
TIK'A< {
RYdI$&] if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
5=8t<v1Bn {
!lBK!'0 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
lNTbd"}$: }
5qFHy[IA }
ZH~Wn#Wp }
lbC,*U^ Vlge*4q 样式交替:
Z*=$n_
G ListItemType itemType = e.Item.ItemType;
l(\F2_,2W ?-tNRIPW@p if (itemType == ListItemType.Item )
g{f7} gTG {
!7p&n3dz e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
QlS_{XV e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
s'bTP(wl9 }
5=R]1YI~$ else if( itemType == ListItemType.AlternatingItem)
GInw7 {
ZZi|0dG4; e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
EK&0Cn3z e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
)JJF}m= }
"8~PfLJ+ ,H1K sN 添加一个编号列:
}F|B'[wn DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
L\V`ou DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
-FJLM 9SJSUv:@ for(int i=0;i<dt.Rows.Count;i++)
rK|(" {
WQbjq}RfI dt.Rows["number"]=(i+1).ToString();
\[]?9Z=n }
fK2r6D9 S)/548=` DataGrid1.DataSource=dt;
jmcys
_N3 DataGrid1.DataBind();
_]{LjJ!M (H\ `/%Bp DataGrid1中添加一个CheckBox,页面中添加一个全选框
T\bpeky~ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
2'-84 {
;lfv.-u:< foreach(DataGridItem thisitem in DataGrid1.Items)
:Gew8G {
#%w)w R3 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
>8b%*f8R }
) TRUx }
O%haaL\ &gUa^5'# 将当前页面中DataGrid1显示的数据全部删除
;--D?Gs]Qr foreach(DataGridItem thisitem in DataGrid1.Items)
>(.Y%$9"E {
7|GSs= if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
1N<n)>X4
{
z4;@"B string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
`6;$Z)=. Del (strloginid); //删除函数
]2
$T 6 }
X4Pm&ol }
lxr;AJ( xLfv:Rp 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
K\59vtga R1eWPtWs 在Application_Start中添加以下代码:
z^s\&gix Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
USS%T<Vk AppSettings["ConnStr"].ToString();
@th94tk, :8HVq*itS 31. 变量.ToString()
{m@tt{% o8v,178 字符型转换 转为字符串
|~PaCw8-ge 12345.ToString("n"); //生成 12,345.00
nF<xJs 12345.ToString("C"); //生成 ¥12,345.00
Eggu-i(rD 12345.ToString("e"); //生成 1.234500e+004
xA`j:zn'j 12345.ToString("f4"); //生成 12345.0000
FCWk8/ 12345.ToString("x"); //生成 3039 (16进制)
pjs4FZ`Pd; 12345.ToString("p"); //生成 1,234,500.00%
0s\ -iub=d oZ ^,* 32、变量.Substring(参数1,参数2);
ect$g# `S.I,<& 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);
"a3?m) H8=:LF 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)
!l Egta[Ql <SCRIPT language="javascript">
+\)Y,@cw <!--
vU]n0)<KB function gook(pws)
@LSh=o+ {
u[oV
Jvc frm.submit();
T7Y}v,+- }
t\TxK7i //-->
El: @l% &Yc'X+'4 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
es~1@Jb
<form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
3^xq+{\) <tr>
)!caOGvhJ <td>
r-*6#
" <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
GN:|b2 " <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
t`R{N1 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
]!~?j3-k Q Q'JK *.l <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
1ltW9^cF} <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
p>#q* eU5 hUuKkUR+Ir </td>
}`%ks 57 Bx- </tr>
;R
Jv7@ CC;^J-h/ </form>
bN03}&I D.|r
[c 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*A/30o|R 3vjOfr` 下面是获取用户输入的登陆信息的代码:
-A=3W3:C string name;
"v(pluN| name=Request.QueryString["EmailName"];
VaGQre IkjJqz try
6x=w-32+ y {
}6<5mq)% int a=name.IndexOf("@",0,name.Length);
';My"/
Z- f_user.Value=name.Substring(0,a);
\nPf\6;M f_domain.Value=name.Substring(a+1,name.Length-(a+1));
pek=!nZ f_pass.Value=Request.QueryString["Psw"];
OK8Ho" }
<lWj-+m 0NKgtH~+ catch
YD;d*E%t {
X1o^MMpz(F Script.Alert("错误的邮箱!");
4>LaA7)v Server.Transfer("index.aspx");
q=D8 Nz }