1. 打开新的窗口并传送参数:
7pyzPc#_ 4D0jt$== 传送参数:
HYfGu1j?X response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
hL&$` Q Ku75YFO,5 接收参数:
Kgu8E:nL string a = Request.QueryString("id");
4KM-$h,4O string b = Request.QueryString("id1");
=:^aBN# }xk(aM_ 2.为按钮添加对话框
Wb-C0^dTn Button1.Attributes.Add("onclick","return confirm(’确认?’)");
X/,)KTo7 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
!@=S,Vc. |vI`u[P 3.删除表格选定记录
0ra'H/>Ly int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
^viabkf C string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
lT|Gkm<G 0X=F(,>9 4.删除表格记录警告
@AEH?gOX private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
f4"UI-8;n {
JLoF!MK} switch(e.Item.ItemType)
_}R[mr/ {
}Kp!, case ListItemType.Item :
DiFYVR<@ case ListItemType.AlternatingItem :
k
QuEG5n.- case ListItemType.EditItem:
bv[#|^/ TableCell myTableCell;
q!$s<n myTableCell = e.Item.Cells[14];
~3F'X LinkButton myDeleteButton ;
.[Sis<A]% myDeleteButton = (LinkButton)myTableCell.Controls[0];
&lQ%;)' myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
-&1(~7 break;
4S<M9A} default:
)}ev;37<C
break;
yLnQ9BXB& }
qjB:6Jq4q 'C1lP)S5 }
DB/~Z
LR97FG 5.点击表格行链接另一页
2J7|y\N, private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
gP2zDI {
xXe3E& //点击表格打开
*f[5rr4 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
FK _ ZE> e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Q{l,4P }
l0qaTpn JrzPDb`m 双击表格连接到另一页
OQ-)
4Uk} K:,V>DL 在itemDataBind事件中
Bs "D<r&ro if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5\Q Tm; {
\ruQx)5M string OrderItemID =e.item.cells[1].Text;
1m*)MZ) ...
,!#Am13 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
BEDkyz;: }
EXDDUqZ5\ 1G>Ud6(3< 双击表格打开新一页
dGUP|O if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
[:8\F#KW {
vV,TT%J8D string OrderItemID =e.item.cells[1].Text;
HpnF,4A> ...
UB$}`39@ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
.j]tzX }
%7#<K\]) 8 v/H;65 ★特别注意:【?id=】 处不能为 【?id =】
R"B{IWQi 6.表格超连接列传递参数
Hjm> I'9 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
;ku>_sG- <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
)|~K&qn` [D"6& 7.表格点击改变颜色
_.5{vGyxr if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
H*=cw< {
m#_BF# e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
j~q 7v
`": this.style.color=’buttontext’;this.style.cursor=’default’;");
z?byNd8 }
ynIe4b \c_g9Iqa 写在DataGrid的_ItemDataBound里
cY?|RXNmZ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
wHLQfrl0 {
vjEDd`jYZ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
wm5&5F4: this.style.color=’buttontext’;this.style.cursor=’default’;");
#C9f?fnM e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
x@NfN*?/+i }
"wcaJ;Os 5CI{&E &~:EmLgv 8.关于日期格式
,6^<Vg @Jd&[T27Lr 日期格式设定
l2F#^=tp DataFormatString="{0:yyyy-MM-dd}"
SU0Ss gFB lNX*s
E
. 我觉得应该在itembound事件中
L3eF BF/ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
.j4y0dh33 Ed=/w6< 9.获取错误信息并到指定页面
fFJ7Y+^ "6U0
!.ro@ 不要使用Response.Redirect,而应该使用Server.Transfer
fG\"p Cy-p1s e.g
e$9a9twl // in global.asax
bxE~tsM"@Y protected void Application_Error(Object sender, EventArgs e) {
*7AB0y0k if (Server.GetLastError() is HttpUnhandledException)
[4"(\r\f Server.Transfer("MyErrorPage.aspx");
bxa>:71 Xt$qjtVM //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
@qNY"c%HV }
^q-%# h0F=5| B 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
F_079~bJ !oH{=.w 10.清空Cookie
\GEz.Vb Cookie.Expires=[DateTime];
%n$f#Ml_r Response.Cookies("UserName").Expires = 0
xP\s^]e d9[j4q_ 11.自定义异常处理
jf)cDj2 //自定义异常处理类
SPqJ
[F using System;
b
ri[&= using System.Diagnostics;
-;cF)C--12 R+!U.:-yz namespace MyAppException
.=:f]fs {
%oiF} > /// <summary>
d>[i*u,]/ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
/ =9Y(v /// 自动将异常内容记录到Windows NT/2000的应用程序日志
`R0~mx&6G /// </summary>
3$"V,_TBZ public class AppException:System.ApplicationException
+pYgh8w@ {
U*+-# public AppException()
b@J "b( {
d'(n/9K if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
O.jm{x!m }
;MeY@*"{ vyS>3(NZ public AppException(string message)
|ru!C( {
Q m*z LogEvent(message);
h GA2.{ }
g7323m1= )ThNy:4 public AppException(string message,Exception innerException)
*
1}dk`- {
kb 74: LogEvent(message);
u>;aQtK~ if (innerException != null)
_wXT9`|3 {
{ccc[G?>.Q LogEvent(innerException.Message);
$-/-%= }
d"5_x]Z; }
v8F{qT50 0Y!"3bw| //日志记录类
Pfs_tu using System;
W?SAa7+ using System.Configuration;
6<@mBZ using System.Diagnostics;
^6# yL6E,~ using System.IO;
K
'I6iCrD using System.Text;
mNC?kp using System.Threading;
t>quY$}4 bq5ySy{8 namespace MyEventLog
%@%rdrZ {
y~*B%KnEQy /// <summary>
j&dCP@G /// 事件日志记录类,提供事件日志记录支持
`yq)
y>_ /// <remarks>
rmBzLZ} /// 定义了4个日志记录方法 (error, warning, info, trace)
gna!Q /// </remarks>
27R4B
O /// </summary>
t ^>07#z public class ApplicationLog
]u<U[l-w {
Q `K^>L1 /// <summary>
/T
qbl^[ /// 将错误信息记录到Win2000/NT事件日志中
B t3++ Mj /// <param name="message">需要记录的文本信息</param>
#k<l5x` /// </summary>
RPMz&/k public static void WriteError(String message)
wY8Vc" {
&OFVqm^ WriteLog(TraceLevel.Error, message);
)6XnxBSH }
;s~xS*(C zt]8F)l@ /// <summary>
<NDV 5P /// 将警告信息记录到Win2000/NT事件日志中
Z
OAg7 /// <param name="message">需要记录的文本信息</param>
K
HNU=k /// </summary>
Te!eM{_$T public static void WriteWarning(String message)
)w}'kih {
;[lLFI WriteLog(TraceLevel.Warning, message);
.rg "(I }
Gyy4)dP 902A,*qq /// <summary>
41B.ZE+*qd /// 将提示信息记录到Win2000/NT事件日志中
s,C>l_4- /// <param name="message">需要记录的文本信息</param>
1IgTJ" \ /// </summary>
;=%cA#}_0 public static void WriteInfo(String message)
Eb5>c/( {
p? +!*BZ WriteLog(TraceLevel.Info, message);
3>5gh8!- }
2fayQY
xD /// <summary>
1h162 /// 将跟踪信息记录到Win2000/NT事件日志中
}#g &l*P /// <param name="message">需要记录的文本信息</param>
kSJ;kz,_ /// </summary>
oQVm)Bn'R public static void WriteTrace(String message)
B\|^$z2 {
^755LW WriteLog(TraceLevel.Verbose, message);
4ke.p<dG }
m-[xrVV w4^$@GtN /// <summary>
7
mA3&<&q /// 格式化记录到事件日志的文本信息格式
*c.w:DkfB /// <param name="ex">需要格式化的异常对象</param>
0jXDjk5'< /// <param name="catchInfo">异常信息标题字符串.</param>
.ezko\nU /// <retvalue>
;$*tn"- ?~ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
>_\]c-~< /// </retvalue>
>Ir?)h /// </summary>
IAmMO[9H public static String FormatException(Exception ex, String catchInfo)
INCanE`+ {
ev7A;; StringBuilder strBuilder = new StringBuilder();
KI\
9) if (catchInfo != String.Empty)
FD8 {
T/%k1Hsa4H strBuilder.Append(catchInfo).Append("\r\n");
rJp9ut'FEz }
/byF:iYI strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
ldKLTO*& return strBuilder.ToString();
&`"uKO] }
ye
{y[$#3 I$TD[W /// <summary>
5 "x1Pln /// 实际事件日志写入方法
{v3@g[:| /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
xnZ /// <param name="messageText">要记录的文本.</param>
aXbj pb+ /// </summary>
Ej@N}r>X private static void WriteLog(TraceLevel level, String messageText)
~a>3,v- {
WK SWOSJ try
p|r>tBv?x {
"+&@iL EventLogEntryType LogEntryType;
4tt=u]: switch (level)
|z)7XK {
'
b,zE[Q case TraceLevel.Error:
>BMtR0 LogEntryType = EventLogEntryType.Error;
-,"eN}P^ break;
~VF?T~Kr_ case TraceLevel.Warning:
aTLr%D:Ka LogEntryType = EventLogEntryType.Warning;
/jU4mPb;\D break;
[!#;QQ&M case TraceLevel.Info:
DC$x}1 LogEntryType = EventLogEntryType.Information;
Nm0|U.< break;
y|#Fu case TraceLevel.Verbose:
_lOyT$DN LogEntryType = EventLogEntryType.SuccessAudit;
AIwp2Fz break;
x1`Jlzrp, default:
~HX'8\5 LogEntryType = EventLogEntryType.SuccessAudit;
; JHf0 break;
4=;`\-7! }
#fF';Y7 O FlY"OS[ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
lHgmljn5u //写入事件日志
\//{\d eventLog.WriteEntry(messageText, LogEntryType);
T!H }^v ,HW[l.v }
k?Iq 6 catch {} //忽略任何异常
MJ@PAwv" }
f@xjNm*'Z } //class ApplicationLog
`HM?Fc58 }
TP)}1@ `c_Wk]i 12.Panel 横向滚动,纵向自动扩展
NFb<fD[C <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Cy\! H&0wg pU@&- 13.回车转换成Tab
xR5zm%\ <script language="javascript" for="document" event="onkeydown">
RMxFo\TK; if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
<a%RKjQvT event.keyCode=9;
c0:`+>p2 </script>
RZ:='; >o!~T}J7 onkeydown="if(event.keyCode==13) event.keyCode=9"
E$E#c8I: 69{q*qCW 14.DataGrid超级连接列
'WJ3q|o/
DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
;[[oZ 10e~Yc 15.DataGrid行随鼠标变色
4#wZ#} private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
$2pkh% {
Zm/I & if (e.Item.ItemType!=ListItemType.Header)
:0j_I\L {
~~3 BV, e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
O/PO?>@-/ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
wy4}CG
}
Z(a,$__ }
Dt*/tVF S/7?6y~ 16.模板列
jB%aHUF; <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
L+2<J,
<ITEMTEMPLATE>
_tQR3I5 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
c R6:AGr </ITEMTEMPLATE>
EHX/XM </ASP:TEMPLATECOLUMN>
<GO 5}>}p8 ppK`7J>Z <ASP:TEMPLATECOLUMN headertext="选中">
78/,rp#'_ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
&O.lIj#FR <ITEMTEMPLATE>
e4(E!;Z!QF <ASP:CHECKBOX id="chkExport" runat="server" />
2N[/Cc2Tg/ </ITEMTEMPLATE>
4
oZm0
<EDITITEMTEMPLATE>
K+@R [ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Ud'/
9:P </EDITITEMTEMPLATE>
BXB ZX@jVk </ASP:TEMPLATECOLUMN>
LF\HmKM, Q?]-/v 后台代码
:2(U3~3: protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
fKOC-%w {
b]k9c1x //改变列的选定,实现全选或全不选。
aV`_@F-8 CheckBox chkExport ;
Z=j6c" if( CheckAll.Checked)
I::|d,bR! {
CWw#0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
fuF!3Q {
<S68UN(Ke chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
P:&X1MC chkExport.Checked = true;
="J *v> }
4Be'w`Q { }
l~Rd\.O else
@p ZjJ<9QM {
sFV&e->AN\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
7oV$TAAf {
;9$71E chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=bJ7!& chkExport.Checked = false;
W!t =9i }
V;29ieE! }
T: I34E[ }
dTZ$92< @L?KcGD 17.数字格式化
AX;!-|bW D0^h;wJ=4+ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
xM)6'= x6 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
B;e (5y- #+#^cqjZ int i=123456;
LR#BP}\b' string s=i.ToString("###,###.00");
`3yK<- fLS].b]1N 18.日期格式化
55Y a(E Z5|BwM 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
* o{7 a$V 49.B!DqQW& 显示为: 2004-8-11 19:44:28
T.}Y&,n$$5 &P7Z_&34Z 我只想要:2004-8-11 】
_;M3=MTM9 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
gCq'#G\Z lFl(Sww!\ 应该如何改?
EKus0"| Z C<+BKS 【格式化日期】
s }Ql9 Z@(KZ| 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
BU#3fPl h0$Y;=YA 【日期的验证表达式】
LXqPNVp# T@A Qe[U'v A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
aW-6$=W ^((\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})))?$
tI)|y?q dci<Rz`h B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
LcZ|A;it ^\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]))$
t)1`^W} 6?'7`p 【大小写转换】
#q4uS~ HttpUtility.HtmlEncode(string);
Wy%FF\D.Y HttpUtility.HtmlDecode(string)
P ^ 4 @ jD${ZIv 19.如何设定全局变量
vA}_x7}n( |Ve,Y Global.asax中
PD&gC88 Q8MIpa!: Application_Start()事件中
3~VV2O j+@3.^vK 添加Application[属性名] = xxx;
<v'&Pk< =r*Ykd;W|E 就是你的全局变量
'%82pZ,? ^GyZycch 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
g(Q1d-L4e q
k6 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
hGkJ$QT u~aRFQ: 【ASPNETMENU】点击菜单项弹出新窗口
G bclR:G a|"Uw
`pX+ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
&7oL2Wf <?xml version="1.0" encoding="GB2312"?>
*mVg_Kl <MenuData ImagesBaseURL="images/">
vENf3;o0 <MenuGroup>
px"H <MenuItem Label="内参信息" URL="Infomation.aspx" >
> (9\ cF{ <MenuGroup ID="BBC">
eIfQ
TV <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
BjeD4 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
J|].h ......
-sfv"? n{i,`oQ" 最好将你的aspnetmenu升级到1.2版
^:]$m;v] RFyMRE!? 21.读取DataGrid控件TextBox值
S
YDE`- foreach(DataGrid dgi in yourDataGrid.Items)
U!`iKy- {
"J`&"_CyZ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
hd u2?v@ tb.Text....
Hddc-7s }
l6&\~Z( Cf3!Ud 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?
)muNfs m (XQuRL<X 〖思归〗
BUJ\[/ <asp:TemplateColumn HeaderText="数量">
~e 1l7H; <ItemTemplate>
IF|6iKCE <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
7P7OTN onkeyup="javascript:DoCal()"
n+Kv^Y`qxO />
PmRvjSIG RHg-Cg` <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
jk{(o09 </ItemTemplate>
[/UchU]DT </asp:TemplateColumn>
wOl?(w=| :Ko6.| <asp:TemplateColumn HeaderText="单价">
-juG[zn <ItemTemplate>
"|L"C+tE <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
S@FO&o 0 onkeyup="javascript:DoCal()"
&~
y)b`r />
ir6'
\ :^.wjUI <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
_XV%}Xb' r8J 7zTD& </ItemTemplate>
"y,YC M` </asp:TemplateColumn>
iqQT ^
L^3&
<asp:TemplateColumn HeaderText="金额">
8Ojqm#/f <ItemTemplate>
(~=.[Y <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
_1p8(n </ItemTemplate>
6<._^hyq </asp:TemplateColumn><script language="javascript">
lmvp,BzC function DoCal()
4VWk/HK-! {
2T~cOH;T var e = event.srcElement;
//q(v,D%Q var row = e.parentNode.parentNode;
q8v[u_(yD var txts = row.all.tags("INPUT");
xzOa9w/ if (!txts.length || txts.length < 3)
qN)y-N.LI( return;
QPJ\Iu@D$ `Vb var q = txts[txts.length-3].value;
qTd[DaG# var p = txts[txts.length-2].value;
{LO Pm1K8Y F4EAC|Y if (isNaN(q) || isNaN(p))
Je1d|1!3 return;
1F^Q* t{ 7A)\:k q = parseInt(q);
`@~e<s`j p = parseFloat(p);
%ou,|Dww 21uK&nVf^l txts[txts.length-1].value = (q * p).toFixed(2);
0bg"Q4 }
A`c%p7Z% </script>
Z!1D4`w Zv u6/# t]yxLl\ ?"6Zf LRi m[9.'@ye 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。
eUyF<j page_load
Td=4V,BN page.smartNavigation=true
uN|A}/hr] e
w^(3& 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 ?
rbw$=bX} private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
`ONjEl {
x84!/n^z for(int i=0;i<e.Item.Cells.Count-1;i++)
<n2@;`D if(e.Item.ItemType==ListItemType.EditType)
N9e'jM>Oos {
q2qi~}l e.Item.Cells.Attributes.Add("Width", "80px")
CdolZW-!" }
J1?;' }
RJrz ~,} ^|]&"OaB
Z 26.对话框
FaL\6w private static string ScriptBegin = "<script language=\"JavaScript\">";
t&r.Kf9Z\ private static string ScriptEnd = "</script>";
7aG.?Ca% "[ bkdL< public static void ConfirmMessageBox(string PageTarget,string Content)
Q#bW"},^k {
b/SBQ"B% string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
D -}>28 ~f/|bcep ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
<Vat@e {!"UBALxc Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
*$tXm4
O[ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
|.<_$[v[x //Response.Write(strScript);
p~pD`'% }
fqNh\~kja [GwAm>k 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
-9Q(3$} Lkt4F 1.1 取当前年月日时分秒
LU1I
`E currentTime=System.DateTime.Now;
:ym?]EL4o SeX ]|?D 1.2 取当前年
!FEc:qH int 年= DateTime.Now.Year;
wq)*bIv W^(zP/ 1.3 取当前月
=o@;K~- int 月= DateTime.Now.Month;
48^-]}; qt"D!S_ 1.4 取当前日
A2_ut6&eb int 日= DateTime.Now.Day;
om3
%\ E)"19l|}B 1.5 取当前时
k[6J;/ int 时= DateTime.Now.Hour;
/]0qI nzq
1.6 取当前分
})g<I+]Hf9 int 分= DateTime.Now.Minute;
?Oyo /?/ MK&,2>m,A 1.7 取当前秒
]\E"oZ int 秒= DateTime.Now.Second;
HiCh:IP7>/ =|3BkmO 1.8 取当前毫秒
6g(;2gY int 毫秒= DateTime.Now.Millisecond;
hFtV\xFK GkGiQf4hh 28.自定义分页代码:
8-Abg:) 'jev1u[ 先定义变量 :
*"%TAe7?~+ public static int pageCount; //总页面数
i8iT}^ public static int curPageIndex=1; //当前页面
5`;SI36" r- 8Awa 下一页:
6$u/N gS if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
'aSsyD!?< {
:F(4&e