1. 打开新的窗口并传送参数:
a{Y|`*7y ?
,s'UqR 传送参数:
d~%7A5 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
U&u6356 VrP{U-` 接收参数:
8tQL$CbO string a = Request.QueryString("id");
<nD@4J-A0 string b = Request.QueryString("id1");
[~
2m*Q :??W3ROn 2.为按钮添加对话框
#&?ER]|3 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
.24z+|j button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
av|T|J/(
I[\7Bf 3.删除表格选定记录
uGb+ *tD int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
d4 \ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
U'(zKqC H@G$K@L 4.删除表格记录警告
*8?2+)5" private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
L@s6u+uu {
hx9t{Zi switch(e.Item.ItemType)
LOcZadr {
!37I2*+4 case ListItemType.Item :
03v& k case ListItemType.AlternatingItem :
Q c&Y|]p" case ListItemType.EditItem:
K;sC#9m TableCell myTableCell;
S sW<,T myTableCell = e.Item.Cells[14];
Aipm=C8 LinkButton myDeleteButton ;
lW-h
@ myDeleteButton = (LinkButton)myTableCell.Controls[0];
I8)D myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
{ m~)~/z? break;
(XmmbAbVom default:
b/
\EN) break;
0 {z8pNrc }
QJ(%rvn3 %\sE \]K }
YCltS!k O{~Xp!QQt 5.点击表格行链接另一页
G>0d^bx;E private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
\|QB;7u
{
l+P!I{n //点击表格打开
b)KEB9w if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
`MPR-"Z6 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
tB~#;:g }
,m?V3xvq s.Z{mnD6 双击表格连接到另一页
a
dr\l5pWQ c YgJ}(>} 在itemDataBind事件中
'%ilF1# if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
bS~Y_]B {
b:hta\%/2 string OrderItemID =e.item.cells[1].Text;
(:OMt2{r ...
_3 oo%?} e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
VED~v#.c }
*w(n%f t :YZua 双击表格打开新一页
GLecBF+>F if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2hF^U+I} {
TY %zw6 #p string OrderItemID =e.item.cells[1].Text;
P}5bSQ( a3 ...
7{O
iV}]" e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Z8bg5% }
^-q{:lx <Qih&P9;> ★特别注意:【?id=】 处不能为 【?id =】
*izCXfW7 6.表格超连接列传递参数
Xzg >/w
8J <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
vkhPE(f <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
iTAj${ > ?.<
Qgd 7.表格点击改变颜色
^SG>VfgC if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
xJ{r9~ {
W;7$Dq: e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
mwLf)xt0' this.style.color=’buttontext’;this.style.cursor=’default’;");
96~y\X@x }
LJPJENtFIs T})q/oUqK 写在DataGrid的_ItemDataBound里
J~WT;s if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
+%\Ci!%b {
%?].(
Lc e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
L%Zr3Ct this.style.color=’buttontext’;this.style.cursor=’default’;");
K)>F03=uE e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
(["kbPma }
pu/5#[MC)^ ;.sYE/ZVi "A+7G5 8.关于日期格式
'a+^= c o[_,r]%+D 日期格式设定
J?J4<l9 DataFormatString="{0:yyyy-MM-dd}"
X\Zan$oi K\%\p$ZD 我觉得应该在itembound事件中
j3-o}6 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
& tT6.@kH `WL3aI": 9.获取错误信息并到指定页面
ZYWGP:Y &v((tZ 不要使用Response.Redirect,而应该使用Server.Transfer
i*:QbMb JRz)A4P e.g
N9G xJ6 // in global.asax
Sdmz(R protected void Application_Error(Object sender, EventArgs e) {
PjBAf' if (Server.GetLastError() is HttpUnhandledException)
,v}) Server.Transfer("MyErrorPage.aspx");
t adeG %<DdX*Qp //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
lmHQ"z 3G }
iy]L"7&Z2 co8R-AB 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
l VD{Y`) P-2DBNB7 10.清空Cookie
'J} ?'{. Cookie.Expires=[DateTime];
0`7yPq* Response.Cookies("UserName").Expires = 0
AA^K/y ,i}EGW,9q 11.自定义异常处理
M| Gl&
//自定义异常处理类
)-[$m% using System;
WZ6{9/%: using System.Diagnostics;
JW0\y+o~ q7KHx b namespace MyAppException
c]x-mj = {
L:Rg3eo /// <summary>
kJuG haO /// 从系统异常类ApplicationException继承的应用程序异常处理类。
CtN\-E- /// 自动将异常内容记录到Windows NT/2000的应用程序日志
wg)Bx#>\L: /// </summary>
B/a`5&G] public class AppException:System.ApplicationException
)C?H m^# {
ej_u):G* public AppException()
#KoI8U" {
|g}r if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
AFL'Ox]0 }
]>[TF'pIAx 0'F/z%SMj public AppException(string message)
vS~tr sI {
LWqKSNE; LogEvent(message);
FNraof @Oy }
YFu,<8"swe bi}aVtG~z public AppException(string message,Exception innerException)
dF51_Kk {
W*S4gPGM LogEvent(message);
7P3/Ky@6 if (innerException != null)
.yfp-n4H {
b(|&e LogEvent(innerException.Message);
:F"IOPfU5[ }
Co nik` }
=\2gnk~ am? k //日志记录类
TC<Rg?&yb using System;
6c^?DLy9B using System.Configuration;
t|oIzjKE/ using System.Diagnostics;
hzqgsmT) using System.IO;
!l#aq\:}~e using System.Text;
i ?pd|J using System.Threading;
Dom]w.W5 8%;Wyqdf] namespace MyEventLog
30WOH
'n {
LYYz=oZOE! /// <summary>
0U%tjYk( /// 事件日志记录类,提供事件日志记录支持
&8i$`6wY /// <remarks>
Y5C kC F /// 定义了4个日志记录方法 (error, warning, info, trace)
\8ZVI98 /// </remarks>
A/a=)su /// </summary>
_/Ve~(
" public class ApplicationLog
BJ3<"D{.*4 {
O,
eoO,gB /// <summary>
f@!9~s /// 将错误信息记录到Win2000/NT事件日志中
$}b)EMMM /// <param name="message">需要记录的文本信息</param>
V-(]L:[JQ /// </summary>
egA*x*8 public static void WriteError(String message)
l*hWws[ {
2>X yrG WriteLog(TraceLevel.Error, message);
HTiLA%%6 }
{9 |*au(K ;|XX^ /// <summary>
MXl_{8 /// 将警告信息记录到Win2000/NT事件日志中
fCNQUK{Gs5 /// <param name="message">需要记录的文本信息</param>
e}{#VB< /// </summary>
xPm{'J+b~ public static void WriteWarning(String message)
}XUI1H]jk {
e^@ZN9qQ WriteLog(TraceLevel.Warning, message);
Bt")RG }
M1/(Xla3 'C7R*
P /// <summary>
q90RTX'CY /// 将提示信息记录到Win2000/NT事件日志中
xC9?rLUZ /// <param name="message">需要记录的文本信息</param>
O{3X`xAf /// </summary>
uHacu<$= public static void WriteInfo(String message)
arR<!y7 {
y,rdyt WriteLog(TraceLevel.Info, message);
Tz6I7S-w }
|95K /// <summary>
Tw$tE: /// 将跟踪信息记录到Win2000/NT事件日志中
(5Q<xJ /// <param name="message">需要记录的文本信息</param>
a3M I+ /// </summary>
Lbrn8,G\ public static void WriteTrace(String message)
>3b<
Fq$ {
z"|jCdZGM WriteLog(TraceLevel.Verbose, message);
'W9[Vm }
qF(i1# %e25Z.Se$ /// <summary>
Or$"f3gq /// 格式化记录到事件日志的文本信息格式
v]@ XyF\j8 /// <param name="ex">需要格式化的异常对象</param>
T}?b,hNl$ /// <param name="catchInfo">异常信息标题字符串.</param>
T[e+iv<8j /// <retvalue>
sF :pwI5^ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
v~AshmP /// </retvalue>
k
t!@}QP /// </summary>
k9H}nP$F public static String FormatException(Exception ex, String catchInfo)
rIB./, {
$;=^|I4E StringBuilder strBuilder = new StringBuilder();
on8$Kc if (catchInfo != String.Empty)
/oEDA^qx {
F
]D^e{y strBuilder.Append(catchInfo).Append("\r\n");
73!NoDxb }
$tW E9_ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
.EWj eVq return strBuilder.ToString();
\rh+\9( }
6||%T$_;} z7?SuJ /// <summary>
R=Ig !s9 /// 实际事件日志写入方法
-@w}}BR /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
X xwcvE /// <param name="messageText">要记录的文本.</param>
c CZ$TH /// </summary>
#sF#<nHZ private static void WriteLog(TraceLevel level, String messageText)
Av n-Ug {
QYDI-<.( try
?r)>SB3(e {
ZB$yEW]]~ EventLogEntryType LogEntryType;
^Ar1V!PFk switch (level)
D` cy.},L {
5IzCQqOPgX case TraceLevel.Error:
8f~*T LogEntryType = EventLogEntryType.Error;
!W&|kvT^ break;
tr0kTW$Ad case TraceLevel.Warning:
%kkDitmI{ LogEntryType = EventLogEntryType.Warning;
r&v!2A]: break;
U. <c#S case TraceLevel.Info:
RFe>#o LogEntryType = EventLogEntryType.Information;
Y@UW\d*'%I break;
'Q]Wk75 case TraceLevel.Verbose:
@HI@PZ> LogEntryType = EventLogEntryType.SuccessAudit;
&uaSp,L break;
|Om][z default:
suaP'0 LogEntryType = EventLogEntryType.SuccessAudit;
sT iFh"8d> break;
vP'!&} }
]3]B$ .8'uIA{_2 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
32j#kJ W //写入事件日志
9ec#'i= eventLog.WriteEntry(messageText, LogEntryType);
5xUZeLj ey<z#Q5+ }
aRn""3[ catch {} //忽略任何异常
fCs{%-6cP }
$b^ niL } //class ApplicationLog
-;
d{}F }
96!2@c{ XF3lS#pt 12.Panel 横向滚动,纵向自动扩展
{<Y!'WL{ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
r4 5}o !p36OEx 13.回车转换成Tab
h;(mb2[R <script language="javascript" for="document" event="onkeydown">
lt5Knz2G,Z if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
$mq+/|bn event.keyCode=9;
3-;<G </script>
SFP?ND+7 .
Z9c.E{ onkeydown="if(event.keyCode==13) event.keyCode=9"
$i3`cX)g bFA
lC 14.DataGrid超级连接列
(Cti,g~ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
]-heG'y]{ (yT&&_zY4 15.DataGrid行随鼠标变色
9zBt
a private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
g[ @Q iy {
D7thLqA if (e.Item.ItemType!=ListItemType.Header)
$_a/!)bP {
8ce'G"
b e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
\:JY[s/ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
r_rdd}=b' }
)g-0b@z!n }
F2n4#b t >64^nS 16.模板列
.[:WMCc\ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
*r~6R <ITEMTEMPLATE>
"Rf|o6!d <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
-4J.YF> </ITEMTEMPLATE>
u1z!OofN> </ASP:TEMPLATECOLUMN>
Mac :E__G pNQ@aJ <ASP:TEMPLATECOLUMN headertext="选中">
&=Y%4vq <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
5Tidb$L;Du <ITEMTEMPLATE>
n-wOLH <ASP:CHECKBOX id="chkExport" runat="server" />
H\<PGC"_Y </ITEMTEMPLATE>
|`I9K#w3 <EDITITEMTEMPLATE>
u!VrMH <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
3][
</EDITITEMTEMPLATE>
us:v/WTQ </ASP:TEMPLATECOLUMN>
2of+KI: Dn>C
:YS` 后台代码
.lz=MUR protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
~(rZ) {
{@"
F/G+ //改变列的选定,实现全选或全不选。
g'-hSV/@}@ CheckBox chkExport ;
rb>2l3g* if( CheckAll.Checked)
6k7x7z {
dleLX%P foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
`Y '-2Fv {
%3K'[2F chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
4;IZ}9|G chkExport.Checked = true;
>;xkiO>Y }
!0X"^VB }
K_X(j$2Xc else
jfa<32`0E {
94rx4"AN8; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
N45@)s!F9j {
uE#i3(
J chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8rz,MsFR chkExport.Checked = false;
f[OJqk }
D/2;b;- }
u<+RA }
MLDAr dvK d5W=? 17.数字格式化
U!lWP#m R~dWblv 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
?/Aql_?3 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
4`"Q!T_' :|ytw=3> int i=123456;
l2LO,j} string s=i.ToString("###,###.00");
7'{Y7]+z+ `|[UF^9 18.日期格式化
HN&]`cr; o107. s 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
o|VM{5 3-![%u 显示为: 2004-8-11 19:44:28
*+ O QP6a,^]; 我只想要:2004-8-11 】
#t">tL <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
)Z`OkkabnD evyA#~o 应该如何改?
4Rl~7| ,z$U=uo 【格式化日期】
z&|sks7 H)+wkR!~ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
[lj^lN8
lR]SGdY 【日期的验证表达式】
7<F{a"5P 1~*JenV- A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
%bTXu1 ^((\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})))?$
*&F~<HC2+ 73E[O5?b B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
t(- 5l ^\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]))$
pH?"@ m8v=pab e 【大小写转换】
:\#/T,K" HttpUtility.HtmlEncode(string);
]=5D98B HttpUtility.HtmlDecode(string)
ZV:0:k.x g\?7M1~ 19.如何设定全局变量
kQtnT7 I9jzR~T Global.asax中
$K~ t'wr uo^tND4a;j Application_Start()事件中
!ma'*X O#b%&s"o 添加Application[属性名] = xxx;
-$j|&l 'A#l$pJp7 就是你的全局变量
|+Ub3<b[] #xxs^Kbqa# 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
gG46hO-M%x y/Q,[Uzk\ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
+q~dS. H:L<gv(rG 【ASPNETMENU】点击菜单项弹出新窗口
=q*j". < (wEaw|Zx 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
#mc GT\tQ <?xml version="1.0" encoding="GB2312"?>
j1P#({z[ <MenuData ImagesBaseURL="images/">
h@(S];. <MenuGroup>
P:HmT <MenuItem Label="内参信息" URL="Infomation.aspx" >
K2pW|@~U <MenuGroup ID="BBC">
!bIhw}^C* <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Lc13PTz>>g <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
oyo
V1jO ......
Z|$OPMLX UxVxnJ_ 最好将你的aspnetmenu升级到1.2版
+S}/6dg ^y&sKO 21.读取DataGrid控件TextBox值
1bJrEXHXy foreach(DataGrid dgi in yourDataGrid.Items)
#ZpR.$`k {
7-MkfWH2b6 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
AU^5N3%j tb.Text....
dy2<b+.. }
SH M@H93 $r=tOD4; 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
/%T d( %$SO9PY 〖思归〗
[NIaWI,> <asp:TemplateColumn HeaderText="数量">
i;}mIsNBY <ItemTemplate>
0N>R!
<asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
l)(
3] onkeyup="javascript:DoCal()"
A<s9c=d6 />
qCgoB 0 SpX6PwM <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
'#@tovr </ItemTemplate>
qFYM2 </asp:TemplateColumn>
H~r":A'"* Lkl^
` <asp:TemplateColumn HeaderText="单价">
Mi&jl_& <ItemTemplate>
TbA=bkj[4 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
&>%9JXU onkeyup="javascript:DoCal()"
R3%&\<a)9 />
_V-pr#lP1 DS1_hbk <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
;B!u=_' YA%0{Tdxz </ItemTemplate>
Vi_6O; </asp:TemplateColumn>
^5BQ= _G=k^f_ <asp:TemplateColumn HeaderText="金额">
H^C$2 f <ItemTemplate>
u~q6?*5 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
uiIS4S_ </ItemTemplate>
L9":= </asp:TemplateColumn><script language="javascript">
_iZ_.3Ip function DoCal()
ky-9I<Z,, {
r5S5;jL%t var e = event.srcElement;
Z1ZjQt#~+ var row = e.parentNode.parentNode;
/32x|Ow# 1 var txts = row.all.tags("INPUT");
Sn!5/9Y if (!txts.length || txts.length < 3)
|KLCO'x return;
2h5L#\H" Doc_rQYku var q = txts[txts.length-3].value;
I&G"{Dl94 var p = txts[txts.length-2].value;
?."YP[; mJ L=H if (isNaN(q) || isNaN(p))
TdWatvY5p return;
.7|Iausv %uy5la q = parseInt(q);
24Uvi:B?~ p = parseFloat(p);
5|0} UCVdR<<Z txts[txts.length-1].value = (q * p).toFixed(2);
y$C\b\hM }
ErXzKf </script>
u</LgOP`- $;%k:&\f Th>ff)~e G"|`&r@ %$CV?K$C 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
cHjnuL0fsy page_load
qaZQ1<e page.smartNavigation=true
p]erk ]
g]^^ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
Vx*O^cM private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
].r~?9'/ {
{IA3`y~ for(int i=0;i<e.Item.Cells.Count-1;i++)
::R5F4 if(e.Item.ItemType==ListItemType.EditType)
\qj(`0HG {
SM8Wg> e.Item.Cells.Attributes.Add("Width", "80px")
0S71&I$u] }
G24Ov&H }
7/b\NLeJ' )LDBvpJyQ 26.对话框
5Sv;a(} private static string ScriptBegin = "<script language=\"JavaScript\">";
JsD|igqF- private static string ScriptEnd = "</script>";
"1HKD iw\yVd^]:k public static void ConfirmMessageBox(string PageTarget,string Content)
%"CF-K@th {
f'?FYBL string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
*9O@DF&*6 <b#1L ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
&-zW1wf L| K8 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
zW9/[Db ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
&ku.Q3xGs //Response.Write(strScript);
+nU=)x?38 }
R;3nL[{U !M@jW[s 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
PB(I3R9 _`.Wib+ 1.1 取当前年月日时分秒
5DxNHEuS currentTime=System.DateTime.Now;
1 3K|=6si ^n~bx*f 1.2 取当前年
1'4?}0Dok int 年= DateTime.Now.Year;
+LwwI*;b [D_s`'tg 1.3 取当前月
=}UcYC6l int 月= DateTime.Now.Month;
=k^ d5 hnBX enT6 1.4 取当前日
7tQ?av int 日= DateTime.Now.Day;
8 @A}.: wU(!fw\ 1.5 取当前时
b>]k=zd int 时= DateTime.Now.Hour;
^ DCBL&I /^hc8X 1.6 取当前分
Aa4 DJ int 分= DateTime.Now.Minute;
r&3EM[*Iw %fMFcL#h 1.7 取当前秒
N.UeuLz
int 秒= DateTime.Now.Second;
,xI
FF-[0 9v@P|
1.8 取当前毫秒
i+ICgMcd int 毫秒= DateTime.Now.Millisecond;
)}lO%B'K ^?5HagA 28.自定义分页代码:
H7%q[O +;/ s0 先定义变量 :
8/T[dn public static int pageCount; //总页面数
;u;_\k<qK public static int curPageIndex=1; //当前页面
7_ s7); !xvAy3 下一页:
zmhL[1qj if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
zS*vKyye> {
#Q` TH< DataGrid1.CurrentPageIndex += 1;
{4eI}p< curPageIndex+=1;
{H3B1*Dk }
i F \H `z$=J"%? y bind(); // DataGrid1数据绑定函数
i5cK5MaD O-&^;]ieJ 上一页:
%f 5c,} if(DataGrid1.CurrentPageIndex >0)
@Y !Jm {
ek1<9"y DataGrid1.CurrentPageIndex += 1;
7:e5l19 uI curPageIndex-=1;
Y_nl9}&+C0 }
GB4^ 4Ajx B&m6N, bind(); // DataGrid1数据绑定函数
W:>XXUU yT|44
D2j 直接页面跳转:
N qS]dH61 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
r;_*.|AH TeRH@oI if(a<DataGrid1.PageCount)
_$_,r H {
,H>'1~q this.DataGrid1.CurrentPageIndex=a;
mO2u9?N }
#'dNSez5 ]Z?jo#F bind();
|j=Pj)5J S!66t?vHB 29.DataGrid使用:
EV@yJ] 'x6rU"e $J 添加删除确认:
wOg#J private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'| p"HbJ {
L~Y^O`c foreach(DataGridItem di in this.DataGrid1.Items)
jo'
V.]\ {
B#r"|x# [ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Je4hQJ<h {
o.(Gja4 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
;)FmN[ }
tyFsnck }
RFPcH8-u7 }
Vsr"W@k_ fJ=v? 样式交替:
QXW>}GdKZ ListItemType itemType = e.Item.ItemType;
qOv`&%txW Jl<pWjkZZ if (itemType == ListItemType.Item )
,P%i%YPj {
t;`ULp~& e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
/ke[nr e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
mt~E&Z(A }
E24j(> else if( itemType == ListItemType.AlternatingItem)
Mm;[f'{M) {
p8FXlTk e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
D$+g5u) e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
86);0EBX }
|
{Q}:_/q ~OWpk)Vq 添加一个编号列:
(8~D^N6Z DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
a"l\_D'.K8 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
yKy
)%i k"|Fu for(int i=0;i<dt.Rows.Count;i++)
wI;sZJc {
qh+&Z x~ dt.Rows["number"]=(i+1).ToString();
EQ.K+d*K][ }
OF2W UcQ @}2EEo# DataGrid1.DataSource=dt;
51tZ:-1! DataGrid1.DataBind();
|{JI=$ Shv$"x:W DataGrid1中添加一个CheckBox,页面中添加一个全选框
OZA^L;#> private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
V"B/4v> {
)2Bb,p<Wr foreach(DataGridItem thisitem in DataGrid1.Items)
H>o \C {
xIwILY|W= ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
O`5h jq# }
C80< L5\ }
b
+Z/nfS Ahc9HA2 将当前页面中DataGrid1显示的数据全部删除
;2$0j1> foreach(DataGridItem thisitem in DataGrid1.Items)
U }AIOtUw {
6Yc(|>b! if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
'j-U=2,n {
jYvl-2A' string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
mZG n:f}= Del (strloginid); //删除函数
4;Vi@(G) }
DIfQ~O+u }
GG"6O_ `:C2Cj
30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
GS7'pTsYH L6#4A3yh 在Application_Start中添加以下代码:
}1%%` Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
T$<yl#FY AppSettings["ConnStr"].ToString();
3.1%L"r[) )7X$um 31. 变量.ToString()
=dsEt\
j [%O f 字符型转换 转为字符串
pRzL}-[/v 12345.ToString("n"); //生成 12,345.00
nM ?Nf} 12345.ToString("C"); //生成 ¥12,345.00
Lz!JLiMEET 12345.ToString("e"); //生成 1.234500e+004
~FQHT?DAo 12345.ToString("f4"); //生成 12345.0000
#d06wYz= 12345.ToString("x"); //生成 3039 (16进制)
uEf=Vj}G 12345.ToString("p"); //生成 1,234,500.00%
&er,Wyc( xkU8(= 32、变量.Substring(参数1,参数2);
u:Ye`]~o m'N8[ o|h 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
9aNOfs8( (#Xs\IEV F 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
=z]rZSq*o <SCRIPT language="javascript">
&H
P g> <!--
t2YB(6w+xg function gook(pws)
gVe]?Jva` {
E-($Xc frm.submit();
T
"hjL }
wph8ln"C- //-->
;mRZ_^V; oe|8 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Xk/iyp/ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
~y?Nn8+&f <tr>
pwk Te <td>
cGR) $: <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
<*WGvCh%w <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
3fA+{Y8S <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
X6T[+]Gc W#E(?M[r <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
h"/'H)G7_& <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
2W`WOBz Xs# _AX </td>
>{9VXSc J@"UFL'^ </tr>
,RM8D)m\ \I-e{'h </form>
G.^)5!By QqRF?%7q"q 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。
Srz8sm; sp
MYn&p 下面是获取用户输入的登陆信息的代码:
q
|FOU string name;
wy8Q=X:vP name=Request.QueryString["EmailName"];
dJ#go*Gn wy
.96 try
^<;CIXo {
EpQy;#=; int a=name.IndexOf("@",0,name.Length);
aSu^ f_user.Value=name.Substring(0,a);
LnKgT1 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
e9
@{[ f_pass.Value=Request.QueryString["Psw"];
wu><a!3`=o }
/-i m
g^^ ivn2 catch
D[?;+g/ {
!icI Rqcf= Script.Alert("错误的邮箱!");
w-2#CX8jY Server.Transfer("index.aspx");
PTLlLa85< }