1. 打开新的窗口并传送参数:
C^QpVt-T ' ?tx?t 传送参数:
MEKsL7 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
,v\^efc:% L/*D5k%J 接收参数:
8=kIN-l_ string a = Request.QueryString("id");
I)]"`2w2w string b = Request.QueryString("id1");
!pTi.3 k7ye,_&> 2.为按钮添加对话框
r{g8CIwGQ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
6~b)Hc/ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
r&rip^40 yX7P5c. 3.删除表格选定记录
y).dw( int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
4>R)2g string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Gv\39+9= $Sls9H+. 4.删除表格记录警告
A r,fmq private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
omu)s
'8 {
}z,f8Yz switch(e.Item.ItemType)
H3#rFO"C* {
5.M82rR;~ case ListItemType.Item :
h[(. case ListItemType.AlternatingItem :
-4Hf5! case ListItemType.EditItem:
X+7@8)1( TableCell myTableCell;
8*&|Q1`K: myTableCell = e.Item.Cells[14];
_jWGwO LinkButton myDeleteButton ;
]iezwz`' myDeleteButton = (LinkButton)myTableCell.Controls[0];
O=
84ZP% myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
2'U+QK@ break;
+wIv|zj9 default:
wN]]t~K)Q break;
q=x1:^rVH }
01w}8a( zBjbH= }
rO[ Zx'a $+WMKv@< 5.点击表格行链接另一页
Qv
B%X)J private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3)*Twqt {
k#"}oI{<
6 //点击表格打开
Y^ 2]*e% if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-izZ D e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
]I:h4hgw }
M0K+Vz= ~y" ^t@!E 双击表格连接到另一页
G[lNgVbU@ B&Iy_; 在itemDataBind事件中
ov|/=bzro if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
"JpnmE[` {
i p;
RlO string OrderItemID =e.item.cells[1].Text;
9B9:lR ...
D<J,3(Yu e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
tdi^e;:? }
@QbTO'UzK` &O\$=&, h 双击表格打开新一页
->*'Y;t4 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
d)'J: {
JAU:Wqlg1 string OrderItemID =e.item.cells[1].Text;
b
|JM4jgK ...
!8}x6 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
xC
YL3hl }
4n}^1eQ9 $;As7MI ★特别注意:【?id=】 处不能为 【?id =】
FatLc|[ 6.表格超连接列传递参数
C)8>_PY[M <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
.uwD;j
+# <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
>4@/x{{ 9cXL4 7.表格点击改变颜色
j^)=<+Q;= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
u/.# zn@9h {
B".3NQ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
+|6E~#zklY this.style.color=’buttontext’;this.style.cursor=’default’;");
Ie7S'.Lmq }
G{u(pC^ ys- w0H 写在DataGrid的_ItemDataBound里
1deK}5' if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
:/\KVz'fw} {
qNX+!Y}y e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
U&o~U] rm this.style.color=’buttontext’;this.style.cursor=’default’;");
^5q}M' e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Am)XbN')1 }
?q hme fMIKA72>{ Q*caX
8.关于日期格式
8\rHSsP <'<{|$Pw 日期格式设定
av}pT)]\
DataFormatString="{0:yyyy-MM-dd}"
X]v.Yk=wu ['_G1_p 我觉得应该在itembound事件中
y%xn(Bn e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
]z5gC`E0 2Ls 9.获取错误信息并到指定页面
NTL`9b ?o.Q 不要使用Response.Redirect,而应该使用Server.Transfer
s(M8 Y ($Y6hn+ e.g
@Xq3>KJ_)H // in global.asax
ee{8C~ protected void Application_Error(Object sender, EventArgs e) {
%2TjG if (Server.GetLastError() is HttpUnhandledException)
PH3#\
v.
Server.Transfer("MyErrorPage.aspx");
jwZBWt )5 psZ #^@>mJ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
FT.;}!"l }
K(B|o6[ Ee -yP[2
* Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
x1{gw 5: 7!-y72qx 10.清空Cookie
H}B%OFI \+ Cookie.Expires=[DateTime];
-VlXZj@u+ Response.Cookies("UserName").Expires = 0
#OVf2
" q(I`g;MF 11.自定义异常处理
o$_,2$>mn //自定义异常处理类
sy;_%,}N using System;
]:vo"{*C using System.Diagnostics;
)Y}8)/Pud \%+5p"Z< namespace MyAppException
#DFfySH)A {
27-GfC=7* /// <summary>
FOx&'dH%@ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
yxz"9PE/P /// 自动将异常内容记录到Windows NT/2000的应用程序日志
_r&,n\
T /// </summary>
q2C._{ 0' public class AppException:System.ApplicationException
+*aZ9g {
y}t1r |p public AppException()
K6l{wyMb| {
}{.0mu9 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
).b,KSi }
@fSBW+ V O=
o)H\ public AppException(string message)
<|MF\D' {
cq,0?2R`t LogEvent(message);
=~f\m:Y }
yMoV|U6 A\v(!yg public AppException(string message,Exception innerException)
x<es1A'u6 {
chF@',9t LogEvent(message);
nW*D if (innerException != null)
*P.Dbb8vn {
n$oHr LogEvent(innerException.Message);
~l@
h }
?\.aq
p1B }
shAoib?Kw: BrO" _ //日志记录类
$)O=3dNbo using System;
~DYv6-p% using System.Configuration;
ZcLW8L using System.Diagnostics;
EDf"1b{PX using System.IO;
5v`[c+@F using System.Text;
[,)G\ using System.Threading;
e: aa v{[:7]b_= namespace MyEventLog
BHZCM^ {
>{HQ"{Q /// <summary>
p9`!.~[ /// 事件日志记录类,提供事件日志记录支持
-0>gq$/N=^ /// <remarks>
!|#W,9 /// 定义了4个日志记录方法 (error, warning, info, trace)
~>"m`Q&[ /// </remarks>
W:gpcR]> /// </summary>
# zbAA<f public class ApplicationLog
7a_tT;f; {
$,)PO
Z /// <summary>
h/*q +H /// 将错误信息记录到Win2000/NT事件日志中
~Bi>T15e /// <param name="message">需要记录的文本信息</param>
\QvoL /// </summary>
R0A|}Ee* public static void WriteError(String message)
HPz3"3n! {
z*FCd6X WriteLog(TraceLevel.Error, message);
(E{}iq@2 }
LN0pC}F l{o,"P" /// <summary>
3HEm-pok /// 将警告信息记录到Win2000/NT事件日志中
6Lb(oY}\3 /// <param name="message">需要记录的文本信息</param>
y9)w(y! /// </summary>
/2.}m`5 public static void WriteWarning(String message)
Q_r}cL/A {
0;Oe&Y WriteLog(TraceLevel.Warning, message);
4Y5lP00!} }
-Is;cbfLj/ ~~\C.6c# /// <summary>
[p+-]V /// 将提示信息记录到Win2000/NT事件日志中
o"!C8s_6 /// <param name="message">需要记录的文本信息</param>
Ls`[7w /// </summary>
\'Q rJ ?D public static void WriteInfo(String message)
, UsY0YC {
SNJSRqWL/ WriteLog(TraceLevel.Info, message);
H[_i=X3-~ }
1.tAl6] /// <summary>
`+m:@0&L /// 将跟踪信息记录到Win2000/NT事件日志中
D){my_
/ /// <param name="message">需要记录的文本信息</param>
IE|? &O /// </summary>
dfP4SJqq
public static void WriteTrace(String message)
awv$ }EFo {
hm*cGYV/ WriteLog(TraceLevel.Verbose, message);
er8T:.Py }
BPuum RY
.@_{ /// <summary>
V,h}l" /// 格式化记录到事件日志的文本信息格式
;,}Dh/&E /// <param name="ex">需要格式化的异常对象</param>
mCyn:+ /// <param name="catchInfo">异常信息标题字符串.</param>
M$48}q+ /// <retvalue>
,v%'2[} /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
jsFfrS"* /// </retvalue>
#CV]S4/^ /// </summary>
*4ido? public static String FormatException(Exception ex, String catchInfo)
F8S>Ld {
Nq%ir8hE StringBuilder strBuilder = new StringBuilder();
^)(-7H if (catchInfo != String.Empty)
|h?2~D!+d
{
yeI>b 1>Q strBuilder.Append(catchInfo).Append("\r\n");
Sv_Nb > }
:sQ>oNnz strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
i! x>)E return strBuilder.ToString();
`a%MD>R_Lg }
9Pb6Z} [!De|,u(^ /// <summary>
\_ V*Cs /// 实际事件日志写入方法
.g3=L /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
RA!q)/+ /// <param name="messageText">要记录的文本.</param>
WfD fj /// </summary>
|AH>EXhv private static void WriteLog(TraceLevel level, String messageText)
Sbl = U {
?j0yT@ G try
O%3Hp.|! {
u&w})`+u5 EventLogEntryType LogEntryType;
!~&&&85 switch (level)
ME$J42 {
N+ak{3 case TraceLevel.Error:
RC/45:hZZ LogEntryType = EventLogEntryType.Error;
@0'U
p break;
tYXE$i case TraceLevel.Warning:
LFI#wGhXVk LogEntryType = EventLogEntryType.Warning;
[ /YuI@C,@ break;
pB4Uc<e case TraceLevel.Info:
R{fJ"Q5' LogEntryType = EventLogEntryType.Information;
m`l9d4p
w? break;
^$50[ case TraceLevel.Verbose:
<|3%}? LogEntryType = EventLogEntryType.SuccessAudit;
\XPGA uEo break;
@zC6` default:
W&=OtN
U! LogEntryType = EventLogEntryType.SuccessAudit;
#R{>@]x` break;
A*eVz]i,k& }
%uN<^`JZ mUbm3JIjJ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
kzjuW //写入事件日志
fO$){(]^ eventLog.WriteEntry(messageText, LogEntryType);
!(rAI ov,|`FdU^T }
"bIb?e2h9G catch {} //忽略任何异常
P+0'^:J }
>Jmla~A } //class ApplicationLog
VD~5]TQ }
E?G'F3i W|7|XO 12.Panel 横向滚动,纵向自动扩展
? Bpnnwx <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
*^uK=CH1?( '< U&8?S 13.回车转换成Tab
,\s`T O <script language="javascript" for="document" event="onkeydown">
uhh7Ft#H if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
ZQ]qJDk event.keyCode=9;
${MzOi </script>
wX0D^)NtF N<9 c/V onkeydown="if(event.keyCode==13) event.keyCode=9"
@"@|O>KJ
x%l(0K 14.DataGrid超级连接列
?
`p/jA DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
SO=gG 2E pL"{Uqi 15.DataGrid行随鼠标变色
d ItfR'$ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|Dn Zk3M, {
-K 'UXoU1 if (e.Item.ItemType!=ListItemType.Header)
!+%gJiu: {
AH#mL e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
rO7_K>g? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Y(g_h:lf,] }
Hu"$)V }
'F d+1
3 }PBme'kP 16.模板列
)X0=z1$ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
S=_u3OH0 <ITEMTEMPLATE>
E`o_R=% <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
SBreA-2 </ITEMTEMPLATE>
J8emz8J </ASP:TEMPLATECOLUMN>
,VS\ mG/}s = LNU%0m <ASP:TEMPLATECOLUMN headertext="选中">
0vqVE]C <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
ZAr6RRv ^ <ITEMTEMPLATE>
ZaYiby@Ci <ASP:CHECKBOX id="chkExport" runat="server" />
8"j $=T6;W </ITEMTEMPLATE>
4Y8= <EDITITEMTEMPLATE>
^Kz?SO <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
f'oTN!5WF </EDITITEMTEMPLATE>
ku5|cF*% </ASP:TEMPLATECOLUMN>
<[k3x8H' .o/|]d`% 后台代码
ESCN/ocV protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
< o?ua} {
dHDtY$/_ //改变列的选定,实现全选或全不选。
]`$6=)_X CheckBox chkExport ;
CtCReH03 if( CheckAll.Checked)
3+Lwtb}XPF {
b-_l&;NWg foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
JTKS5r7? {
/(^-=pAX chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
y~+LzDV chkExport.Checked = true;
}k VC]+ }
D,cD]tB2 }
{'{}@CuA2 else
u&l;\w {
PA^*|^;Xh foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
oDZZ {
^UvL1+ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8'Q+%{?1t chkExport.Checked = false;
-9om,U`t }
t\/H. Hb }
DghyE` }
4BMu0["6|s 'l/l]26rO4 17.数字格式化
(f&V 7n 1|p\rHGd 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Nf4@m|# <%#Container.DataItem("price","{0:¥#,##0.00}")%>
K>'4^W5d, GG#-x$jK int i=123456;
q?j7bp] string s=i.ToString("###,###.00");
Aa9l-:R &3iI\s[ 18.日期格式化
U9]&KNx f4S}Nga( 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
ikZYc ${ t 9(,JC0 显示为: 2004-8-11 19:44:28
7oE:] `m'RvU c 我只想要:2004-8-11 】
EZWWvL <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Oyb9
ql^ :30daKo 应该如何改?
LiEEQ IYe[IHny1 【格式化日期】
9vi+[3s/=; 3x(Y+
ymP 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
67/@J)z0% Ne9VRM
P 【日期的验证表达式】
v1$}[&/ |+h x2?Nv A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
]#N8e?b, ^((\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})))?$
#: EhGlq8 bv7)[,i B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
rE"FN~9P ^\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]))$
+ $M<ck?Bo |xb;#ruR6 【大小写转换】
N8T.Ye N HttpUtility.HtmlEncode(string);
nVpDjUpN HttpUtility.HtmlDecode(string)
tv-SX=T 9QD+ 19.如何设定全局变量
C\[:{d ~- aUw}U Global.asax中
t.!?"kP"c \1u^?cBd Application_Start()事件中
>z3l@ 6d5q<C_3t 添加Application[属性名] = xxx;
[+@T"2h2b 6R2F,b(_ 就是你的全局变量
F.Bij8\ h1Y^+A_ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
eiA$) rzy 'K23oQwDB HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
5IgO4 <B D3O)Tj@:}( 【ASPNETMENU】点击菜单项弹出新窗口
-g"Wi@Qr 7OPRf9+o 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Tv,ZS <?xml version="1.0" encoding="GB2312"?>
Lm^vS u <MenuData ImagesBaseURL="images/">
1vh[sKv9% <MenuGroup>
OSJL,F, <MenuItem Label="内参信息" URL="Infomation.aspx" >
zo
]-,u <MenuGroup ID="BBC">
>qMzQw2 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
D;:p6q}hT <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
7 /"Z/^ ......
9*s:Vff{ Ln4Dq[M 最好将你的aspnetmenu升级到1.2版
6ZXRb H-%
B<7 21.读取DataGrid控件TextBox值
M^n^wz foreach(DataGrid dgi in yourDataGrid.Items)
PmE8O {
^C2SLLgeJ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
-|:mRAe tb.Text....
MbQ%'z6D }
Rx@0EPV :@Ml-ZE 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
nx!+:P ,
(2
P&@!| 〖思归〗
`Gg,oCQg <asp:TemplateColumn HeaderText="数量">
Xag#ZT <ItemTemplate>
0,cU^HMA <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
/W{^hVkvC onkeyup="javascript:DoCal()"
'kJyE9*xU. />
CE4Kc33OU| `@&WELFv{ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
|QyZ:`0u </ItemTemplate>
*"V) hI5 </asp:TemplateColumn>
,y)V5
c1 .07kG] <asp:TemplateColumn HeaderText="单价">
+^$E)Ol <ItemTemplate>
:?gp}. <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
BtF7P}:MGf onkeyup="javascript:DoCal()"
8wCB}q C />
\XbCJJP 2FM}"g<8 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
IRsyy\[kp8 g
T0@pxl </ItemTemplate>
F>k/;@d </asp:TemplateColumn>
Hr(%y&0 }(#;{_ <asp:TemplateColumn HeaderText="金额">
:TP\pH 7E <ItemTemplate>
G[zVGqk <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
`Js"*[z </ItemTemplate>
v|rBOv </asp:TemplateColumn><script language="javascript">
O~5*X f function DoCal()
}n k[WW {
<@>l9_=R var e = event.srcElement;
|cl*wFm|3 var row = e.parentNode.parentNode;
5C5OLAl v var txts = row.all.tags("INPUT");
dSE"G>l8 if (!txts.length || txts.length < 3)
>UXNR`? return;
*$Z?Owl7 \|
'Yuh var q = txts[txts.length-3].value;
XJA];9^ var p = txts[txts.length-2].value;
{Ok]$0L R-Gg= l5 if (isNaN(q) || isNaN(p))
ugs9>`fF& return;
mv#*%St5 +-Z `v q = parseInt(q);
[I(
Yn p = parseFloat(p);
]}9[ys OgCz[QXr_ txts[txts.length-1].value = (q * p).toFixed(2);
|+Tq[5&R }
Am"&ApK </script>
+?6@%mW' #1p\\Av C/q!! {vp*m:K ZQ_AqzT3D 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
sL#MYW5E page_load
yKC1h`2 page.smartNavigation=true
KESM5p"f 1YtK+,mz 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
+77B656 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
wotw nE {
(P-$tHt for(int i=0;i<e.Item.Cells.Count-1;i++)
]$I}r=
Em if(e.Item.ItemType==ListItemType.EditType)
0@Z}.k30 {
@DSKa` e.Item.Cells.Attributes.Add("Width", "80px")
,OFNV|S$ }
M<P8u`)>4H }
!i\ gCLg2_ Y;kiU 26.对话框
LHSbc!Y'. private static string ScriptBegin = "<script language=\"JavaScript\">";
eU8p;ajW!L private static string ScriptEnd = "</script>";
"NTiQ}i 0!M'z public static void ConfirmMessageBox(string PageTarget,string Content)
E@4/<;eKK {
\J(kM,ZJ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
\jx3Fs:Q ]88qjKL ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
eg24.W9c wZWAx Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
L[!||5y ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
c7RQ7\ //Response.Write(strScript);
;*0?C'h= }
I+
Y{_yw"f s;-AZr) 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
%*#+(A"V 5GGO: 1.1 取当前年月日时分秒
dg_w$# currentTime=System.DateTime.Now;
}b/P\1#z egVKAR- 1.2 取当前年
AWJA? int 年= DateTime.Now.Year;
zjOOEvi \>X!n2rLZe 1.3 取当前月
/Q_Dd int 月= DateTime.Now.Month;
IhOAMH1 $lq.*UQ;0 1.4 取当前日
%r8;i int 日= DateTime.Now.Day;
ck\W'Y*Q7 @_1cY#! 1.5 取当前时
Qqs1%u;e8 int 时= DateTime.Now.Hour;
# 1dg% |gIE$rt-~W 1.6 取当前分
[2h.5.af int 分= DateTime.Now.Minute;
EX#AJ>?V( k81%$E 1.7 取当前秒
DTSf[zP/ int 秒= DateTime.Now.Second;
Qj*.Z4ue fP\q?X@]E 1.8 取当前毫秒
z+- o}i int 毫秒= DateTime.Now.Millisecond;
D:/q<<| A+3SLB 28.自定义分页代码:
}
!y5hv!_ 9g>)7Ne 先定义变量 :
O1bW, n( public static int pageCount; //总页面数
: ^("L,AF public static int curPageIndex=1; //当前页面
r$8'1s37` hzRKv6 下一页:
v?Utz~lQ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
dvU{U@:sz {
Q$v00z]f* DataGrid1.CurrentPageIndex += 1;
`j(._`8%a curPageIndex+=1;
igW* {)h3 }
ts9wSx~[+ -*z7`]5J bind(); // DataGrid1数据绑定函数
+`_0tM1 Cs7ol-\) 上一页:
m\X\Xp~A if(DataGrid1.CurrentPageIndex >0)
U3Z=X TB {
QS5t~rb DataGrid1.CurrentPageIndex += 1;
-z0;4O (K] curPageIndex-=1;
;o9ixmT<-o }
X6r0+D5AvB f:ObI bind(); // DataGrid1数据绑定函数
N+@ Ff3M rM"27ud[`_ 直接页面跳转:
IEMa/[n/ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
7J!s"|VS f!`?_ if(a<DataGrid1.PageCount)
[`t ;or {
w2'q9pB+ this.DataGrid1.CurrentPageIndex=a;
rpK&OR/ }
e-`.Ht }`g-eF>p bind();
75zU,0"j 4&sf{tI 29.DataGrid使用:
t4[q:[1 oDMPYkpTu 添加删除确认:
Q_|}~4_+ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
/HpM17
{
.i
I{ foreach(DataGridItem di in this.DataGrid1.Items)
rB$~,q&.V {
[
gM n if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
K F_fz {
94BH{9b5 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
3HpqMz }
$t.oGd@N }
SL- 2 ^\R }
p eO@ZKmM $jg[6`L$ 样式交替:
JM|HnyI ListItemType itemType = e.Item.ItemType;
!6%?VJB|b Y
b3ckktY if (itemType == ListItemType.Item )
~p?ArZb {
b;UBvwY_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
qqf`z,u e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
/DHgwpJ }
*v+l,z4n else if( itemType == ListItemType.AlternatingItem)
&/]en|f" {
6I
+0@,I e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Vb`Vp(>AU e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
(4cdkL }
6+IhI?lI= >nghFm 添加一个编号列:
5lG\Z? DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
!HDb{f DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
UJI2L-;Ul E{u6<