1. 打开新的窗口并传送参数:
90ag! <3x#(ms!! 传送参数:
PZR%8 m}]u response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
@R&D["! |Z^g\l.j{ 接收参数:
` W>B8 string a = Request.QueryString("id");
q$rA-`jw string b = Request.QueryString("id1");
vUs7#* O*{H;7Pv 2.为按钮添加对话框
!q\w"p0X Button1.Attributes.Add("onclick","return confirm(’确认?’)");
1n(}Q1fa button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
hUxhYOp 6<$|;w-OV 3.删除表格选定记录
2H+DT-hK int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
8#u_+;,p string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
I?g__u=n~ @qy*R'+ 4.删除表格记录警告
b[;3KmUB private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
ZC*d^n]x. {
I<K/d switch(e.Item.ItemType)
`>EvT7u {
5 hadA>d case ListItemType.Item :
Hk*cO;c case ListItemType.AlternatingItem :
}n%Rl\p case ListItemType.EditItem:
m
Ap|?n/K TableCell myTableCell;
n{r#K_ myTableCell = e.Item.Cells[14];
$
].k6,%{p LinkButton myDeleteButton ;
G)Bq?=P
myDeleteButton = (LinkButton)myTableCell.Controls[0];
6CmFmc, myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
J_E(^+ break;
ASa!yV=g default:
aZ>\*1 break;
*b{lL5 }
)V/lRR& ?67I|@^ }
DjzBG*f/ \g1@A" 5.点击表格行链接另一页
r{R7" private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
PZ(<eJ> {
{ah~q}(P //点击表格打开
uEGPgYY ( if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
GR[>mkW!M e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
^MHn2Cv/~ }
*Yu\YjLPG -yQ\3wli` 双击表格连接到另一页
j~*Z7iu e=z_+gVm 在itemDataBind事件中
x0h3jw+6 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
![]I%'s {
)c >B23D string OrderItemID =e.item.cells[1].Text;
<ii1nz ...
E5BgQ5'
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
'b?.\Bm; }
|z]2KjF&w- :t{vgi D9 双击表格打开新一页
)USC if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]z=Vc#+! {
?g;ZbD string OrderItemID =e.item.cells[1].Text;
3!9 yuf ...
IPR tm! e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
B4:l*P' }
k-pEBhOH u1{ym_ ★特别注意:【?id=】 处不能为 【?id =】
Wmjz KCl 6.表格超连接列传递参数
rYFau1 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
<h_P+ nz <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
:sVHY2x 'cF%4F 7.表格点击改变颜色
zL},`:(. if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
-?B9>6h" {
L0mnU)Q}C e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
sK%Hx` this.style.color=’buttontext’;this.style.cursor=’default’;");
_`Q It>R }
0 {JK4]C Kxl,]
|e> 写在DataGrid的_ItemDataBound里
7Fi2^DlgX if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Pb8Z))9j {
1!(%<R e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
uo4$rf7 this.style.color=’buttontext’;this.style.cursor=’default’;");
bLM"t0 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Lcs{OW, }
\FoxKOTp ,#bb8+z&p
1.0!H.>q 8.关于日期格式
}S
vw,c .y7) XLC 日期格式设定
"?SOBA!vy DataFormatString="{0:yyyy-MM-dd}"
jfY{z=*]u q|u8CX 我觉得应该在itembound事件中
\_*MJ)h)X e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
-[pCP_`)u HD:%Yv 9.获取错误信息并到指定页面
|N$?_<H <P^hYj-swh 不要使用Response.Redirect,而应该使用Server.Transfer
mheU#&| %]<RRH.w e.g
.^LL9{? // in global.asax
D=~B7b: protected void Application_Error(Object sender, EventArgs e) {
1U7,X6=~ if (Server.GetLastError() is HttpUnhandledException)
(eRKR2% q Server.Transfer("MyErrorPage.aspx");
WR
a+zii, e*P=2*]M //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
A} -&C }
\POnsM)+l \|~?x#aA 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
!FB \h<6 %Nm @f' 10.清空Cookie
l7'{OB
L Cookie.Expires=[DateTime];
o3F|#op Response.Cookies("UserName").Expires = 0
``|gcG o'eI(@{F= 11.自定义异常处理
G;Wkm| //自定义异常处理类
*f
TG8h using System;
%K^gUd>,R using System.Diagnostics;
)8$:DW; !eR-Kor namespace MyAppException
X7H'Uk9: {
`8Jq~u6_Z /// <summary>
Vm~qk /// 从系统异常类ApplicationException继承的应用程序异常处理类。
/esVuz /// 自动将异常内容记录到Windows NT/2000的应用程序日志
>:jM}*dnL /// </summary>
-MrtliepW* public class AppException:System.ApplicationException
Eq=wdI {
$7UoL,N> public AppException()
/bmXDDYH4 {
feI./E if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
|"R_-U }
3^\?>C7 hD_5~d public AppException(string message)
JY2/YDJ {
CZyz;Jtk LogEvent(message);
PUP"ky^q" }
q]eFd6
^qeY9O public AppException(string message,Exception innerException)
X&(<G {
dI^IK LogEvent(message);
5{13V*< if (innerException != null)
Qz@IK:B} {
J3e:Y! LogEvent(innerException.Message);
DH:GI1Yu>I }
T-|9o|~z }
5LX8:~y (#!]fF"!x //日志记录类
'qL5$ zG using System;
Vd+td;9( using System.Configuration;
N]14 using System.Diagnostics;
NunV8atn: using System.IO;
KVB0IXZC~ using System.Text;
(j' {~FB using System.Threading;
H8@8MFz\ T[;;9z namespace MyEventLog
}*
QO]_U? {
E *F*nd]K /// <summary>
$. %L /// 事件日志记录类,提供事件日志记录支持
jn-QKdqM /// <remarks>
\q~w<%9Dq /// 定义了4个日志记录方法 (error, warning, info, trace)
nPcS3!7B# /// </remarks>
6HoqEku/Q /// </summary>
Q}kfM^i public class ApplicationLog
^Q0&.hL@ {
Q%ruQ# /// <summary>
AL$W +') /// 将错误信息记录到Win2000/NT事件日志中
VFv9Q2/. /// <param name="message">需要记录的文本信息</param>
s%~L4Wmcq /// </summary>
#HeM,;Xp public static void WriteError(String message)
o+nG3kRD {
UVB/vqGg WriteLog(TraceLevel.Error, message);
^q
;Cx7T_p }
R A:jzht ~e P /// <summary>
OL3UgepF /// 将警告信息记录到Win2000/NT事件日志中
#G_F`& /// <param name="message">需要记录的文本信息</param>
Sw)i1S9 /// </summary>
ncv7t|ZN public static void WriteWarning(String message)
!z"Nv1!~| {
?"6Ov ] WriteLog(TraceLevel.Warning, message);
ueDvMP }
W>B^S Ekv89swl`i /// <summary>
<I;5wv /// 将提示信息记录到Win2000/NT事件日志中
B2 c@kru /// <param name="message">需要记录的文本信息</param>
$;2)s}ci /// </summary>
YOyp|%! public static void WriteInfo(String message)
YNSyi@ {
c<wavvfUo WriteLog(TraceLevel.Info, message);
L=O lyHO }
I&Jt> O4 /// <summary>
G@gh#[b /// 将跟踪信息记录到Win2000/NT事件日志中
d?A}qA[( /// <param name="message">需要记录的文本信息</param>
_%y4q%# /// </summary>
fW?sYC' public static void WriteTrace(String message)
~,"N[Q {
B8T\s)fxnX WriteLog(TraceLevel.Verbose, message);
+4et7 }
%,\=s.~1 p3c"ZPO~z /// <summary>
%r%So_^ /// 格式化记录到事件日志的文本信息格式
i|]7(z#OyI /// <param name="ex">需要格式化的异常对象</param>
R(k}y,eh.` /// <param name="catchInfo">异常信息标题字符串.</param>
P7:d ly[,q /// <retvalue>
/b5>Qp /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Z) Wnow /// </retvalue>
`0bP0^w /// </summary>
2Il8f public static String FormatException(Exception ex, String catchInfo)
%@?A_jS {
A`[@8 StringBuilder strBuilder = new StringBuilder();
[:h5} if (catchInfo != String.Empty)
gl{B=NN {
a 7#J2 r strBuilder.Append(catchInfo).Append("\r\n");
}#1/fok }
~S*b strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
yb2}_k.JG return strBuilder.ToString();
bFY~oa%C }
Fv8f+)k)Z~ /7D<'MF /// <summary>
,\YAnKn6_ /// 实际事件日志写入方法
mM_
k^4: /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
qnChM;) /// <param name="messageText">要记录的文本.</param>
`zA#z /> /// </summary>
VT\"q1)p private static void WriteLog(TraceLevel level, String messageText)
X|}2_B {
j.m(ltGh try
#Ex p51 {
;),"M{"v EventLogEntryType LogEntryType;
Es!Q8. switch (level)
kGHQ`h {
F]EBD 8/b case TraceLevel.Error:
;AX8aw, LogEntryType = EventLogEntryType.Error;
j+rG7z){K break;
r^0F"9eOL case TraceLevel.Warning:
+1rkq\{l LogEntryType = EventLogEntryType.Warning;
D:"{g|nW} break;
GIyF81KR 3 case TraceLevel.Info:
),(V6@Z? LogEntryType = EventLogEntryType.Information;
/( hUfYm0 break;
iEm ? case TraceLevel.Verbose:
E5</h"1 LogEntryType = EventLogEntryType.SuccessAudit;
M5g\s;y; break;
Z
hd#:d default:
OhVs#^ LogEntryType = EventLogEntryType.SuccessAudit;
%Ip*Kq- break;
GbI-SbE }
M f~}/h .ubE2X[ ][ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
cl@g //写入事件日志
W$0^(FH[ eventLog.WriteEntry(messageText, LogEntryType);
nXy>7H[0 ?QZ"JX]) }
$q$7^r@ catch {} //忽略任何异常
OsqNB'X }
]QVNn?PA8 } //class ApplicationLog
U75Jp%bL }
]bZ(HC?KZr rHjq1-t 12.Panel 横向滚动,纵向自动扩展
FAsFjRS <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
-VxDNT}Tr zFz10pH 13.回车转换成Tab
oGa^/:6L <script language="javascript" for="document" event="onkeydown">
Hc^W%t~ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
tM4Cx event.keyCode=9;
TX=yPq </script>
T4)fOu3] nUS| sh onkeydown="if(event.keyCode==13) event.keyCode=9"
) ZfdQ3 y5r4+2B 14.DataGrid超级连接列
T 20&F DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
-I.d}[ 1)m@?CaI` 15.DataGrid行随鼠标变色
TaE~s private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
iOAbaPN {
x'<K\qp{{ if (e.Item.ItemType!=ListItemType.Header)
zc rY>t#l {
|`Or'%|PR e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
J(DN! e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
9KWuN:Sg }
#>lG7Ns|4 }
_{<seA PHOP%hI$ 16.模板列
7x);x/#8Z <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
fGhn+8VfX <ITEMTEMPLATE>
eET&pP3Rp <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
U_x )#,4 </ITEMTEMPLATE>
ljTBvU </ASP:TEMPLATECOLUMN>
>zAUW[]C:I 86]p#n_>Fv <ASP:TEMPLATECOLUMN headertext="选中">
g0R~&AN!g <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
ktIi$v <ITEMTEMPLATE>
2 3OC2| <ASP:CHECKBOX id="chkExport" runat="server" />
0}!\$"|D </ITEMTEMPLATE>
~t9tnLc$ <EDITITEMTEMPLATE>
8>hwK )av <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
}\J2?Et{ </EDITITEMTEMPLATE>
P3$Q&^? </ASP:TEMPLATECOLUMN>
O nQdq^UB .7K7h^*F 后台代码
`]Q:-h protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
V"c
6Kdtd {
Z}$TKO*u //改变列的选定,实现全选或全不选。
)W/;=K CheckBox chkExport ;
cufH?Xg< if( CheckAll.Checked)
UMAgA!s {
Zm6{n' foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
zR2B-
&]H {
Tg!m`9s+ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
~e6Brq chkExport.Checked = true;
1UPC e }
'>r7V }
EoK~S\dS else
lOtDqb& {
0lhVqy}:}o foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
R(q~ -3~ {
&=VDASEu chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
^R:cd8+?% chkExport.Checked = false;
"[y-+)WTG }
g+J-Zg6 }
BD(Z5+EU1 }
'Lu__NfN .l.a(_R 17.数字格式化
RzWXKBI\E] Q ]}Hd- 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
#O+),,WS <%#Container.DataItem("price","{0:¥#,##0.00}")%>
8F'x=lIO %i5M77#Z int i=123456;
Oil?JI Hq string s=i.ToString("###,###.00");
Hv2De0W |UX(+;n
18.日期格式化
G K7![p V#iPj'*
【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
V,%=AR5 S:OO0<W 显示为: 2004-8-11 19:44:28
xL\0B,] ZzSz%z_sE 我只想要:2004-8-11 】
8uWa=C) <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
0tXS3+@n= ' ~8KSF*!p 应该如何改?
0N$v"uX@ RS8Hf~0G 【格式化日期】
ME*LHr, b:TLV`>/& 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
!qWH`[: h2XfC.f 【日期的验证表达式】
7eAX*Kgt<_ ev*k*0
A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Ru>MFG ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
d8c=L8~jt R^Y
<RI B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
nCdR EXw ^\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]))$
NA ~Vg8 g\&g N 【大小写转换】
=w{Z@S(ukz HttpUtility.HtmlEncode(string);
vkri+:S3 HttpUtility.HtmlDecode(string)
Zcx`SC-0 e]zBf;9J 19.如何设定全局变量
bcE._9@@ 7t0er'VC Global.asax中
Pu" P9 1pgU}sRk Application_Start()事件中
(&F
,AY3A ZZzMO6US0 添加Application[属性名] = xxx;
pC@{DW;V6R {#@W)4)cA 就是你的全局变量
"i[@P) ZzJ?L4J5v 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
|l]XpWV [q8 P~l HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
) QU !
t?iXZ 【ASPNETMENU】点击菜单项弹出新窗口
:%,:" #ML%ij 1 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
]H+8rY%+ <?xml version="1.0" encoding="GB2312"?>
n<z[J=I <MenuData ImagesBaseURL="images/">
%D\[* <MenuGroup>
$#9;)8J <MenuItem Label="内参信息" URL="Infomation.aspx" >
/} b03 <MenuGroup ID="BBC">
rrik,qyv6 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
z`f($t[ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
hG12ZZ D ......
EVsC >rz G}b]w~ML~ 最好将你的aspnetmenu升级到1.2版
jtW!"TOY RAgg:3^ 21.读取DataGrid控件TextBox值
C26>BU< foreach(DataGrid dgi in yourDataGrid.Items)
UCB/=k^m {
pZqq]mHK TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
3z{?_;bR tb.Text....
3q\,$*D. }
KBx6NU?;PO W{6|tx) 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
"K6&dk jY (MxQ+D\ 〖思归〗
@#T|Y& <asp:TemplateColumn HeaderText="数量">
jCOIuw <ItemTemplate>
R;&AijS8 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
lrlgz[ onkeyup="javascript:DoCal()"
yerg=,$_i />
a|t$l=|DD XDOY`N^L <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
96( v </ItemTemplate>
`{3<{wgw </asp:TemplateColumn>
xr4*{v ?PeJlpYzV <asp:TemplateColumn HeaderText="单价">
Y']\Jq{OS <ItemTemplate>
tkeoNuAM <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
@E7DyU| onkeyup="javascript:DoCal()"
N
+Yxz;Mg />
n'n/Tu ;K:zmH <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
bzBEX mC x<tb </ItemTemplate>
)~)J?l3{ </asp:TemplateColumn>
*2pt%eav Gp?a(-K5 <asp:TemplateColumn HeaderText="金额">
[B\h$IcRv <ItemTemplate>
xHvZV<# <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
_S<3\%(0 </ItemTemplate>
*+Ek0M </asp:TemplateColumn><script language="javascript">
,w<S|#W~+ function DoCal()
md)c0Bg8~ {
LG{,c.Qj* var e = event.srcElement;
%9KldcQ}~ var row = e.parentNode.parentNode;
N7b8m?! var txts = row.all.tags("INPUT");
Xv ]W(f1 if (!txts.length || txts.length < 3)
+~m46eI return;
N)uSG&S: ?uzRhC_)! var q = txts[txts.length-3].value;
q;T{|5/O var p = txts[txts.length-2].value;
x9UX!Z5*> LiN$
pwm if (isNaN(q) || isNaN(p))
2VmNZ{< return;
LO9=xGj. cLpYW7vZ[
q = parseInt(q);
~7*.6YnI p = parseFloat(p);
6iVxc|Ia 6M @[B|Q( txts[txts.length-1].value = (q * p).toFixed(2);
n\Z!ff/ }
u^@f&BIG]: </script>
}eCw6 H%qsjB^ ysQ_[
]/ RIWxs Zt ugdQAg 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。
vOn`/5- page_load
6a(yp3 page.smartNavigation=true
dI.WK@W'o w1Nm&}V 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 ?
g0xuxK;9c private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
"h{q#~s {
kj#?whK6~ for(int i=0;i<e.Item.Cells.Count-1;i++)
9vuyv*-}e if(e.Item.ItemType==ListItemType.EditType)
]l_\71 {
%".HaI] e.Item.Cells.Attributes.Add("Width", "80px")
\(?rQg@U }
CM/H9Kz. }
$O&b`` 9&-dTayIz 26.对话框
Sq>dt[7 private static string ScriptBegin = "<script language=\"JavaScript\">";
DrKP%BnS private static string ScriptEnd = "</script>";
7Haa;2
T' F&4rO\aC"/ public static void ConfirmMessageBox(string PageTarget,string Content)
L*Tj^q!t+ {
27eooY1 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Jj; L3S py$Q ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
z`.<U{5 Sj%u)#Ub Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
>{q]&}^U ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
C)um9} //Response.Write(strScript);
faEt6 }
Go5J%&E9 TH%Qhv\] 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
;v}GJ<3 ~8q)^vm>f? 1.1 取当前年月日时分秒
[+rfAW>p} currentTime=System.DateTime.Now;
>6ni")Q9 D$w6V 1.2 取当前年
v,FU^f-' int 年= DateTime.Now.Year;
0M_ DB= h{)kQLuzT 1.3 取当前月
ep!Rf: int 月= DateTime.Now.Month;
H[6:_**?o ]~Rho_mq# 1.4 取当前日
JrJo|0Q int 日= DateTime.Now.Day;
kKaE=H-x Vh'P&W?[ 1.5 取当前时
F%@A6'c int 时= DateTime.Now.Hour;
E-T)*`e KoOz#,() 1.6 取当前分
f}o\*|k_| int 分= DateTime.Now.Minute;
td(li., >~''&vdsk\ 1.7 取当前秒
z6KCv(zvB int 秒= DateTime.Now.Second;
:y'Ah# v"y-0$M 1.8 取当前毫秒
JA %J$d int 毫秒= DateTime.Now.Millisecond;
\ ZgE /Wi[OT14 28.自定义分页代码:
sQYkQ81 a!zz6/q[ 先定义变量 :
D#_3^Kiawj public static int pageCount; //总页面数
:NhO2L public static int curPageIndex=1; //当前页面
G!Op~p@Jm cVXLKO 下一页:
0eT(J7[ < if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
LoURC$lS {
UE8kpa)cQ DataGrid1.CurrentPageIndex += 1;
3U<cWl@ curPageIndex+=1;
e),q0%5 }
ahJ`T*)HY J9\Cm!H bind(); // DataGrid1数据绑定函数
2]z8:a X2#2C/6#u 上一页:
,1y@Z 5wy if(DataGrid1.CurrentPageIndex >0)
{kA0z2Fe {
Yk'XGr) DataGrid1.CurrentPageIndex += 1;
/MIe(,>Uh curPageIndex-=1;
QJZK|* }
qLO4#CKCL6 +jAGGv^) bind(); // DataGrid1数据绑定函数
fW{(lPx {0L1X6eg 直接页面跳转:
S(k3 `;K int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
^%d\qd` YX!{P=Ua if(a<DataGrid1.PageCount)
n7zm>& {
R"-mKT} this.DataGrid1.CurrentPageIndex=a;
^PDJ0k/u1 }
G0CW}e@) e6`Jbu+J<f bind();
jte.Xy~g 0.\/\V:H6 29.DataGrid使用:
1jx:;j S.mG?zbw 添加删除确认:
{AhthR%(1 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+! ]zA4x {
DEBB()6, foreach(DataGridItem di in this.DataGrid1.Items)
2bv=N4ly {
x!?u^ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
f&=AA@jLv {
XPavReGf ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
h&M{]E9= }
4svBzZdr }
HCIU!4rH }
_mj,u64 Yz'K]M_Dq 样式交替:
y8d]9sX{ ListItemType itemType = e.Item.ItemType;
[meO[otb ;o
6lf_ if (itemType == ListItemType.Item )
2Sle#nw3 {
/,BD#| e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
?so=;gh e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
2A']yD }
/Y/UM3/ else if( itemType == ListItemType.AlternatingItem)
C>ICu*PW {
,L|%"K]yM e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
jSJqE_ 1 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
\Q {m9fE }
9)D6Nm w0[6t#$F 添加一个编号列:
U2ohHJ`` DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
MH
=%-S DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
3RigzT3 48J@CvU for(int i=0;i<dt.Rows.Count;i++)
TeMHm?1^ {
W6^5YH% dt.Rows["number"]=(i+1).ToString();
:W"~
{~#? }
! :Y:pu0 t DO=P
c DataGrid1.DataSource=dt;
=R^%(Py DataGrid1.DataBind();
D+#E-8 H!@kO]?n DataGrid1中添加一个CheckBox,页面中添加一个全选框
# ncRb private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Mhm@R@ {
xn?a. 3b' foreach(DataGridItem thisitem in DataGrid1.Items)
Av$]|b {
Tg7an&# ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
I^* Nqqq }
7( #:GD }
&]Q@7Nl7:l @Rg/~\ K 将当前页面中DataGrid1显示的数据全部删除
N'F77
. foreach(DataGridItem thisitem in DataGrid1.Items)
3t.l5m
Rg5 {
!:)s"|= if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Y`KqEjsC* {
"N;`1ce string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
)Fc%+TpKi Del (strloginid); //删除函数
]yV! }
''|W9! }
=WyDp97@+ O],T,Z?z 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)
t1]K<>g Pi=+/} 在Application_Start中添加以下代码:
-6Z\qxKqZ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
FOb0uj=(v AppSettings["ConnStr"].ToString();
"WlZ)wyF%
_,kj:R. 31. 变量.ToString()
GeI-\F7b ]{!U@b 字符型转换 转为字符串
/{Is0+) 12345.ToString("n"); //生成 12,345.00
ag;Q F 12345.ToString("C"); //生成 ¥12,345.00
qjc8fP2 12345.ToString("e"); //生成 1.234500e+004
Nv$R\' 3 12345.ToString("f4"); //生成 12345.0000
85>05? 12345.ToString("x"); //生成 3039 (16进制)
.GbX]?dN 12345.ToString("p"); //生成 1,234,500.00%
GXcJ< v eJ,/:=QQ{ 32、变量.Substring(参数1,参数2);
(XVw"m/ye M\vwI" 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
Cmu@4j& iky|Tp 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
w?3p';C <SCRIPT language="javascript">
uOKCAqYa <!--
zy?.u.4L function gook(pws)
N%kt3vmQ_ {
zofa-7'Bn frm.submit();
toLV4BtIG }
#||}R[~P" //-->
:1 ^LsLr5 ><RpEnWZ< </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
,ZaRy$? <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
{SOr#{1z* <tr>
X1,I <td>
GC<l#3+ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
XND|h#i8 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
B`YTl~4 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
LU
\i0|i| #r$cyV!k <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
b`(}.r?W <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Ac96
[ )(A]Ln4 </td>
q6@Lp^f v5/~-uRL% </tr>
}\hVy(\c x`U^OLV </form>
d+<G1w&