1. 打开新的窗口并传送参数:
48;b ?hp,h3s;n$ 传送参数:
m>w{vqPwJ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Gf~^Xv!T o?= &kx 接收参数:
Jfv'M<I string a = Request.QueryString("id");
09Q5gal string b = Request.QueryString("id1");
nemC-4} A3q#,% 2.为按钮添加对话框
S5L0[SZ$! Button1.Attributes.Add("onclick","return confirm(’确认?’)");
NVom6K button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
QR-pji
y ?vik2RW 3.删除表格选定记录
5YI6$ZdQ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
eAQ-r\h'2 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
DbR!s1ux
<ZO+e*4 4.删除表格记录警告
FKf2Q&2I private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
:UKc:JVNM {
6RSit switch(e.Item.ItemType)
)*.rl {
YoQQ , case ListItemType.Item :
z-]ND case ListItemType.AlternatingItem :
hVZS6gU,x case ListItemType.EditItem:
7a/
BS(kq< TableCell myTableCell;
&u<%%b| myTableCell = e.Item.Cells[14];
d?/g5[ LinkButton myDeleteButton ;
pma=* myDeleteButton = (LinkButton)myTableCell.Controls[0];
R$eEW"] myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
7coVl$_Zl break;
(v0Q.Q@< default:
]-+l.gVFW break;
k0b6X5 }
/;y`6WG%2 S]e;p\8$Z }
(
YZ2& B1Z; 5.点击表格行链接另一页
-" r4 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
GbkDs- {
1p-<F3; //点击表格打开
qckRX+P` if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%82:?fq e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
OwDwa~ }
(enOj0 Efpju( 双击表格连接到另一页
anKflt3 3Zpq# 在itemDataBind事件中
\mt Y_O if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
`Xi)';p {
O2lM;=" string OrderItemID =e.item.cells[1].Text;
Iy4REP| ...
OzTR#`oey e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
*u[@C }
/Ea&Zm mZnsr@KF 双击表格打开新一页
>V%.=})K if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
).tTDZ
{
h>z5m string OrderItemID =e.item.cells[1].Text;
z_(4 ...
>@-BZJg/k e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
(@*%moo }
8&1xb@Nc7 }_+):<Db ★特别注意:【?id=】 处不能为 【?id =】
&!+1GI9z
6.表格超连接列传递参数
<)L[V <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
'RQEktm <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
&EC8{.7 u&f|z9 7.表格点击改变颜色
S[l z>I if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
2c*}1
_ {
-_Z e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Uw)B(;Hy? this.style.color=’buttontext’;this.style.cursor=’default’;");
:o:/RRp[ }
O/&Qzt |uM=pm;H 写在DataGrid的_ItemDataBound里
:prx:7 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
IFtaoK {
{XnBj}C e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
<#./q LSR this.style.color=’buttontext’;this.style.cursor=’default’;");
3CSwcD e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
L5wFbc"u }
\~C/ Ga
<=Di): XWB#7;,R 8.关于日期格式
!xU\s'I+# #=F{G4d)!= 日期格式设定
A`I1G9s DataFormatString="{0:yyyy-MM-dd}"
uy|]@|J (3j f_ 我觉得应该在itembound事件中
!G'wC0 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
&}_tALg )~w
bu2; 9.获取错误信息并到指定页面
O? 7hT!{ _~y-?(46K 不要使用Response.Redirect,而应该使用Server.Transfer
tCj\U+; |uJjO>8]| e.g
@,]$FBT"5
// in global.asax
!Okl3
!fC protected void Application_Error(Object sender, EventArgs e) {
ny<D1>{90 if (Server.GetLastError() is HttpUnhandledException)
:vFYqoCn Server.Transfer("MyErrorPage.aspx");
|Fx~M,Pzg =<P$mFP2* //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
h~=~csya: }
{J;(K~>?m F]RZP/D` Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
SU.$bsu
"'Q~&B;@ 10.清空Cookie
+4[Je$qYa Cookie.Expires=[DateTime];
0.U-
tg0 Response.Cookies("UserName").Expires = 0
(J
j'kW6G6 E8aD[j[w 11.自定义异常处理
~x+&cA-0A2 //自定义异常处理类
&i*e&{L7 using System;
B\~(:(OPM] using System.Diagnostics;
QC1\Sn/ 0"mr*hyj namespace MyAppException
]];LA!n {
IKp/xj[! /// <summary>
mU>lm7' /// 从系统异常类ApplicationException继承的应用程序异常处理类。
78IY&q:v&0 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
]1q`N7 /// </summary>
#V@vz#bo= public class AppException:System.ApplicationException
L~Xzo {
:M@#. public AppException()
Ye/Y<Ij {
U@LIw6B!KL if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
iu`B8yI }
T^2o'_: =o[H2o
y public AppException(string message)
{t('`z {
oe=W}y_k LogEvent(message);
suN}6CI }
uLt31G() -]:1zU public AppException(string message,Exception innerException)
`I(5Aj" {
l~x
6R~q LogEvent(message);
E/C3t2@- if (innerException != null)
A-u}&}l< {
8?hj}}H LogEvent(innerException.Message);
$N4i)>&T2 }
cM=_i{c }
M1K[6V! Ge*N%=MX8 //日志记录类
4B-+DH>{6 using System;
Fw%S%*B8g using System.Configuration;
CmtDfE using System.Diagnostics;
[tJp^?6* using System.IO;
z2;<i|Ez0 using System.Text;
xv_Z$&9e>l using System.Threading;
]ia{N 8@KGc
)k namespace MyEventLog
\Bl`;uXb {
D\z`+TyJ /// <summary>
p<Vj<6.=? /// 事件日志记录类,提供事件日志记录支持
y6>fK@K~ /// <remarks>
~@D{&7@ /// 定义了4个日志记录方法 (error, warning, info, trace)
#ahe@|E'Y /// </remarks>
z+j3j2 /// </summary>
M{X; H'2 public class ApplicationLog
4`:Eiik&p {
#D%l;Ae /// <summary>
n7bML?f' /// 将错误信息记录到Win2000/NT事件日志中
"]yfx@)_ /// <param name="message">需要记录的文本信息</param>
IG4`f~k^ /// </summary>
(usPAslr public static void WriteError(String message)
I:] Pd {
-g4 {:!*D WriteLog(TraceLevel.Error, message);
S"R(6:hkgu }
@KU^B_{i (_Rl
f$D /// <summary>
B1J2m^ /// 将警告信息记录到Win2000/NT事件日志中
mHc5NkvQC /// <param name="message">需要记录的文本信息</param>
gV-A+;u /// </summary>
'c$)}R
I7 public static void WriteWarning(String message)
Az6tu < {
ohPDknHp WriteLog(TraceLevel.Warning, message);
mzn#4;m$ }
W;.LN<bx O/fm/ /// <summary>
er2#h /// 将提示信息记录到Win2000/NT事件日志中
vgKdhN2kI /// <param name="message">需要记录的文本信息</param>
>2#F5c67 /// </summary>
v<gve<] public static void WriteInfo(String message)
BBj>ML\X {
69zMWuY WriteLog(TraceLevel.Info, message);
w[/m:R?eX }
DhiIKd9W /// <summary>
lR5k1J1n /// 将跟踪信息记录到Win2000/NT事件日志中
E7@m& R /// <param name="message">需要记录的文本信息</param>
j$r2=~1 /// </summary>
x,QXOh\a public static void WriteTrace(String message)
+<sv/gEt {
Vd A!tL WriteLog(TraceLevel.Verbose, message);
CD)JCv }
{br6* y2>AbrJ /// <summary>
\!4_m8? /// 格式化记录到事件日志的文本信息格式
gLWbd~ /// <param name="ex">需要格式化的异常对象</param>
pUeok+k_ /// <param name="catchInfo">异常信息标题字符串.</param>
gO_d!x* /// <retvalue>
m@g9+7 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
EskD)Sl /// </retvalue>
OTWp,$YA= /// </summary>
@}_Wl<kn public static String FormatException(Exception ex, String catchInfo)
Z':w
X {
%kV #UzL StringBuilder strBuilder = new StringBuilder();
4X$|jGQ\ if (catchInfo != String.Empty)
= Tq\Ag: {
GNoUn7Y strBuilder.Append(catchInfo).Append("\r\n");
uX+ YH }
8]l(D strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
\s,~|0_V return strBuilder.ToString();
$u::(s}
x< }
mN1n/LNi c{})Z= /// <summary>
tIo
b /// 实际事件日志写入方法
^8
cq
qu /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
ulNMqz\. /// <param name="messageText">要记录的文本.</param>
J,t`ilT /// </summary>
=$\9t$A private static void WriteLog(TraceLevel level, String messageText)
SF[}suL {
:[ll$5E. try
J{PNB{v {
G@o\D-$ EventLogEntryType LogEntryType;
$)VnHr `hy switch (level)
c6MMI]+8 {
WL}XD
Kx case TraceLevel.Error:
B<&g LogEntryType = EventLogEntryType.Error;
`5MK(K
: break;
6sNw#pqh case TraceLevel.Warning:
GyQvodqD LogEntryType = EventLogEntryType.Warning;
Qv1cf break;
ria.MCe\! case TraceLevel.Info:
SX[ LogEntryType = EventLogEntryType.Information;
r)[Xzn break;
Uh3N#O case TraceLevel.Verbose:
6-f-/$B LogEntryType = EventLogEntryType.SuccessAudit;
,7SqRY,+ break;
:rEZR` default:
#E4|@}30` LogEntryType = EventLogEntryType.SuccessAudit;
PgYIQpV break;
E>bpq^;r }
c2fw;)j&X oe[f2?- EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
:O]US)VSj //写入事件日志
aJ
J63aJ eventLog.WriteEntry(messageText, LogEntryType);
f;obK~b[ 4,?WNPqo }
q;QE(}.g catch {} //忽略任何异常
& DhdB0Hjf }
.T#}3C/ } //class ApplicationLog
E*d UJ.> }
!3 zN [@w, Ceew~n{ 12.Panel 横向滚动,纵向自动扩展
$ <Mf#.8% <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
jm,cVo
Jj~|2Zt 13.回车转换成Tab
.a9f)^ <script language="javascript" for="document" event="onkeydown">
W'R^GIHs if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
T
(?
CDc+ event.keyCode=9;
(9v%66y </script>
G$;cA:p-j KxQMPtHstz onkeydown="if(event.keyCode==13) event.keyCode=9"
P
4+}<5 }gKJ~9Jg 14.DataGrid超级连接列
2Wr^#PY60 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
$aHHXd}@t2 RhkTN'vO 15.DataGrid行随鼠标变色
UD ;UdehC private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+IG=|X {
%#E$wz if (e.Item.ItemType!=ListItemType.Header)
gB]jLe {
@]dv e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
I !O5+Er e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
|cL,$G }
UvuAN:' }
X u2+TK OtoG,~? 16.模板列
j8;Uny9 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
i'[! 'HY <ITEMTEMPLATE>
:jFZz% <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
$0Un'"`S </ITEMTEMPLATE>
R]4
h)" </ASP:TEMPLATECOLUMN>
~"r(PCa@ >S]"-0tGD= <ASP:TEMPLATECOLUMN headertext="选中">
D+{&zo <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
~#7uNH2 <ITEMTEMPLATE>
H/ar:j <ASP:CHECKBOX id="chkExport" runat="server" />
\w)ddc!ZS </ITEMTEMPLATE>
\f@obp <EDITITEMTEMPLATE>
`@8O|j <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
D7g
B% </EDITITEMTEMPLATE>
5),&{k! </ASP:TEMPLATECOLUMN>
m|Sf'5fK EF'8-* 后台代码
Y)DF.ca( protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
\4>& zb4 {
|BXp` //改变列的选定,实现全选或全不选。
F12$BKDH CheckBox chkExport ;
}4kQu#0o") if( CheckAll.Checked)
<,Mf[R2N> {
6VLo4bq 5
foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#44}Snz {
[}dPn61 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
tTT
:r),}$ chkExport.Checked = true;
"^wIixOH5 }
;7*T6~tv }
yw{r:fy else
X$_pDF&\z {
{u4AOM=) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
yQf(/Uxk*x {
Adgfo)X5 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
^DVryeLD chkExport.Checked = false;
Y7;=\/SV }
tl`x/ }
zR)/h
}
O^@F?CG :1
I]BhkJ 17.数字格式化
I=
a?z< @mb'!r 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
t*`Sme]"B <%#Container.DataItem("price","{0:¥#,##0.00}")%>
c)=a;_h 4vV\vXT* int i=123456;
KY?ujeF string s=i.ToString("###,###.00");
fNBI!= {7%(m|( 18.日期格式化
G++<r7;x t#w,G 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
g!OcWy)7 `26.+>Z7 显示为: 2004-8-11 19:44:28
M*D@zb0ia 15OzO.Ud 我只想要:2004-8-11 】
59i2*<k <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
PcI~,e%
V Ds0+RC 应该如何改?
Q\N >W+d 2#N?WlYw<S 【格式化日期】
b1QHZY\g{ &P"13]^@ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Uyxn+j5 `ZT/lB` 【日期的验证表达式】
JP^\
*Ea)b- A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
AQ,"):ofvT ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
oTrit_@3 mP's4 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
,
K:d/ ^\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]))$
`I(ap{ |;&I$'i 【大小写转换】
K(HrwH`a{ HttpUtility.HtmlEncode(string);
xzOn[.Fi HttpUtility.HtmlDecode(string)
:#cJZ\YH ~+V$0Q;L 19.如何设定全局变量
i:jns>E 'H#0-V"= Global.asax中
xxwbX6^d FR>[g`1 Application_Start()事件中
/U-+ClZi@ Cq'{% 添加Application[属性名] = xxx;
HTMg{_r(% #Nad1C/] 就是你的全局变量
VTY #{ 1.TIUH1 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
&Pc.[k /1$u|Gs
* HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
<PM.4B@ z, FPhbFn 【ASPNETMENU】点击菜单项弹出新窗口
1/&^~' J#jFX
F\ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
pG'?>]Rt4 <?xml version="1.0" encoding="GB2312"?>
2EYWX!Bx <MenuData ImagesBaseURL="images/">
Y*{5'q+2 <MenuGroup>
c
*<m. <MenuItem Label="内参信息" URL="Infomation.aspx" >
1_l)$" <MenuGroup ID="BBC">
pF9WKpzE
<MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
-yb7s2o <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
/Ak\Q5O'3 ......
<0? r#
} rY8(`a 最好将你的aspnetmenu升级到1.2版
ZkO2*; ?M6)O?[ 21.读取DataGrid控件TextBox值
f(5;Rf( foreach(DataGrid dgi in yourDataGrid.Items)
esq~Ehr= {
BOP7@D TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
RLzqpE<rJ tb.Text....
W\mgM2p }
0)7v_|z +5 gX6V\ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
:Nwv&+ ` N
R,8F 〖思归〗
Q7{{r&|t& <asp:TemplateColumn HeaderText="数量">
:$gs7<z{rm <ItemTemplate>
atw*t1)g <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
jeJspch+# onkeyup="javascript:DoCal()"
qk>SM|{ />
yeBfzKI{b XsDZ<j%x89 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Ts3!mjn </ItemTemplate>
7oc Ng </asp:TemplateColumn>
"]Uj _d Bjj=UtI <asp:TemplateColumn HeaderText="单价">
2I& dTxIa <ItemTemplate>
DY{v@
<3 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
G)c+GoK onkeyup="javascript:DoCal()"
Bj9FSKiH />
_HjB'XNr( SuNc&e#( <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
33wVP}e5 MPn/"Fij$ </ItemTemplate>
+$xw0)| </asp:TemplateColumn>
7i'clB9! )s4:&! <asp:TemplateColumn HeaderText="金额">
N}<!k#d
E <ItemTemplate>
~4Mz:h^ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
g0;;+z </ItemTemplate>
U2tgBF?)A </asp:TemplateColumn><script language="javascript">
r`.Bj0 function DoCal()
j]`hy" {
~D`R"vzw= var e = event.srcElement;
uFhPNR2l var row = e.parentNode.parentNode;
jTZi<
Y:bB var txts = row.all.tags("INPUT");
9j5|o([J if (!txts.length || txts.length < 3)
GoH.0eQ^ return;
dm40qj [O|c3; var q = txts[txts.length-3].value;
Qh6vH9(D var p = txts[txts.length-2].value;
z@?y(E Da!vGr if (isNaN(q) || isNaN(p))
q8.Z7ux return;
8 nqF i qJO6m-
q = parseInt(q);
-dN`Ok<g p = parseFloat(p);
/u`Opv&I <P&X0S`O txts[txts.length-1].value = (q * p).toFixed(2);
[eBt Dc*w }
Evqy e; </script>
L;A#N9 ^,?>6O ?iEn~9WCS rj4Mq:pJ c&aqN\'4" 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。
4:733Q3oK page_load
m=/HUt3(&0 page.smartNavigation=true
p_e x $:1/`m19 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
Ov4 [gHy& private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
4>fj@X(3 {
g>'6"p; for(int i=0;i<e.Item.Cells.Count-1;i++)
~m0=YAlk? if(e.Item.ItemType==ListItemType.EditType)
.y_~mr&d {
CdcBE.%< e.Item.Cells.Attributes.Add("Width", "80px")
nD)SR }
zf5%|7o }
ZCb@!V}= <{hB&4oL 26.对话框
20}]b*C} private static string ScriptBegin = "<script language=\"JavaScript\">";
Zm|il9y4m private static string ScriptEnd = "</script>";
gkq~0/ <7B;_3/ public static void ConfirmMessageBox(string PageTarget,string Content)
/R?*i@rvf {
G&MO(r}B string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Z![#Uz.z aHI~@ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
I")Ud?v0) s?nj@:4 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
3UZ_1nY ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
4`cfFowK~ //Response.Write(strScript);
{ehYE^%N }
x^Qij!mB% t\!5$P 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
RZSEcRlN iEy2z+/"^ 1.1 取当前年月日时分秒
J
p%J02 currentTime=System.DateTime.Now;
UYQ@ub /k^j'MMQs6 1.2 取当前年
6z/&j} ( int 年= DateTime.Now.Year;
i=M[$ mz;ExV16 1.3 取当前月
;ByCtVm2 int 月= DateTime.Now.Month;
#q9BU: E%stFyr9`/ 1.4 取当前日
Do^yer~ int 日= DateTime.Now.Day;
vp d!|/ gu'+kw 1.5 取当前时
7)Tix7:9S; int 时= DateTime.Now.Hour;
|8x_Av0 i12G\Ye 1.6 取当前分
j.+,c#hFo int 分= DateTime.Now.Minute;
IBNb!mPu% CUjRz5L 1.7 取当前秒
4j i#Q int 秒= DateTime.Now.Second;
{4p7r7n' v]KPA.W 1.8 取当前毫秒
YY'[PXP$Y int 毫秒= DateTime.Now.Millisecond;
YYkgm:[ ,.gJ8p(0x 28.自定义分页代码:
6O 2sa-{d ^<v.=7cL0 先定义变量 :
60f%J1u public static int pageCount; //总页面数
A,=
R`m public static int curPageIndex=1; //当前页面
BP4vOZ0$ ?o/p}6 下一页:
ilQ\+xR{b if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
a"1LF` {
miCY?=N` DataGrid1.CurrentPageIndex += 1;
7Bf4ojKt curPageIndex+=1;
@e7_&EGR? }
fg1uqS1rg hKsx7`[ bind(); // DataGrid1数据绑定函数
pH@yE Vf _nw\ac#* 上一页:
Y!|}; if(DataGrid1.CurrentPageIndex >0)
(.{." {
m5KLi
&R DataGrid1.CurrentPageIndex += 1;
QEx&AT curPageIndex-=1;
I4c%>R }
8@T0]vH& *1>Tc,mb bind(); // DataGrid1数据绑定函数
_F8-4 :b#5cMUe 直接页面跳转:
~n/:a int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
K:pG<oV|} _qQo}|/q if(a<DataGrid1.PageCount)
:n
x;~f {
SBw'z(U this.DataGrid1.CurrentPageIndex=a;
_,-\; }
[~Z#yEiW^ _tO2PIL@Z bind();
r&L1jT. Vr&v:8:wb 29.DataGrid使用:
pcm1IwR` qEkhgJqk 添加删除确认:
Z@Qf0
c private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2"Y=*s {
1fF\k#BE-% foreach(DataGridItem di in this.DataGrid1.Items)
;{n*F=%uC {
rmI@ #' if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
0XL[4[LdA {
\nQEvcH ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
EVbDI yFn }
Uf$IH!5;Z }
Io_7 }
Z \- _g"su# 样式交替:
b|` ListItemType itemType = e.Item.ItemType;
uQWd`7 ^^)\|kW? if (itemType == ListItemType.Item )
gti=GmL(L {
$g#d1u0q e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
L+)mZb& e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
qZSW5lC0 }
HsK52< else if( itemType == ListItemType.AlternatingItem)
#-d-zV* {
} x'o`GuUf e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
+!wkTrV e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
8EI&}I }
Z,b^f
Vw a+\s0Qo< 添加一个编号列:
HMR!XF&JjC DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
P$G|o|h DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
W8!8/IZbN Z?w=- for(int i=0;i<dt.Rows.Count;i++)
UX'tdB
!A {
89A04HX dt.Rows["number"]=(i+1).ToString();
Szlww }
WF<*rl +Nka,C^O" DataGrid1.DataSource=dt;
;!>>C0s" DataGrid1.DataBind();
cACnBgLl OL#RkD DataGrid1中添加一个CheckBox,页面中添加一个全选框
[dXRord private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
VU|Cct&) {
jTY{MY Jh foreach(DataGridItem thisitem in DataGrid1.Items)
e?-LB {
G@S'_ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
(8j@+J }
ve=
nh]N }
S'vUxOAo /M_kJe,% 将当前页面中DataGrid1显示的数据全部删除
DRi/< foreach(DataGridItem thisitem in DataGrid1.Items)
nL!nzA {
faI4`.i if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
w~*"mZaG {
H0mDs7 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
_n<
@Jk~ Del (strloginid); //删除函数
9}Zi_xK&|e }
k8"[)lDc. }
kc:2ID& UIw6~a3E 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)
eYRm:KC eD 7Rv< 在Application_Start中添加以下代码:
Z?'){\$* Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
rYr.mX AppSettings["ConnStr"].ToString();
cNqw(\rr :y[tZ&*<_? 31. 变量.ToString()
/?QBMI oI%.oP}G 字符型转换 转为字符串
:~9F/Jx 12345.ToString("n"); //生成 12,345.00
w9a6F 12345.ToString("C"); //生成 ¥12,345.00
cV)~%e/ 12345.ToString("e"); //生成 1.234500e+004
GD .>u 12345.ToString("f4"); //生成 12345.0000
<3Hu(Jx<O 12345.ToString("x"); //生成 3039 (16进制)
iD9hqiX& 12345.ToString("p"); //生成 1,234,500.00%
J)Td'iT(
6@ )bZ| 32、变量.Substring(参数1,参数2);
aA.TlG@zP y<5xlN(+v 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);
r7p>`>_Q\ zL3'',Ha 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)
doaqHri\, <SCRIPT language="javascript">
tt>=Vt' <!--
]7{-HuQ8>} function gook(pws)
n7Ia8?8-l {
RpY#_\^hI frm.submit();
_u`W$EG
L }
tMy@'nj //-->
yf6&'Y{ 7e&%R4{b </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
?2b9N~ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
[VP~~*b <tr>
/=qn1 <td>
>j$CM:w <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
\D
#NO <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
bx<7@ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
/P|jHK|{ FeFH_ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
"$BWP <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
z<mU$< [(N<E/m%B </td>
Wc$1Re{z Ie?C<(8Ul </tr>
Z`b{r;`m8 ^T|~L<A3 </form>
p(Q5!3C0q %/&?t`%H 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。
&6L{1 Sf\mg4, 下面是获取用户输入的登陆信息的代码:
oa|nQ`[ string name;
fhmqO0 name=Request.QueryString["EmailName"];
,9p
4(jjX p`JD8c try
FiqcM-Af4 {
R{hKl#j;> int a=name.IndexOf("@",0,name.Length);
SpY%2Y.Dy f_user.Value=name.Substring(0,a);
iB5Se f_domain.Value=name.Substring(a+1,name.Length-(a+1));
PZ"=t! f_pass.Value=Request.QueryString["Psw"];
6F3#Rxh }
Ui7S8c#tH u1&pJLK0[ catch
^1S(6'a# {
P-QZ=dm Script.Alert("错误的邮箱!");
Vj"B# Server.Transfer("index.aspx");
v}ZQC8wL }