1. 打开新的窗口并传送参数:
;? '`XB! yXh=~:1~ 传送参数:
Agl5[{]E response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
]N*q3 y|) ]\v'1m" 接收参数:
TF}<,aR string a = Request.QueryString("id");
rG:IS= string b = Request.QueryString("id1");
*%:p01&+ z.
VuY3 2.为按钮添加对话框
YKJk)%;+w Button1.Attributes.Add("onclick","return confirm(’确认?’)");
)p~\lM}?d button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
d0Py[37V 7Z0
)k9* 3.删除表格选定记录
~Hd{+0 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Ih ;6(5z string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
`ihlKFX u&I?LZ-=, 4.删除表格记录警告
.6z#o{n private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
U-QK
{
%ErLL@e switch(e.Item.ItemType)
mv/'H^"[_ {
`4'v)!? case ListItemType.Item :
NN\% X3ri" case ListItemType.AlternatingItem :
mEa\0oPGB case ListItemType.EditItem:
k_r12Bu TableCell myTableCell;
:2^%^3+V myTableCell = e.Item.Cells[14];
KqP!={>" LinkButton myDeleteButton ;
fZ`b~ZBwIj myDeleteButton = (LinkButton)myTableCell.Controls[0];
JX7_/P myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
|qH -^b.F break;
Tsxl4ZK default:
S`8
h]vX break;
W#P)v{K }
``nuw7\C: -7fsfcGM$ }
/+1+6MqRn* B[F x2r`0 5.点击表格行链接另一页
R(74Px,/ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
M9.jJf {
H1yl88K //点击表格打开
Vk5}d[[l if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
"diF$Lj e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
`J|bGf# }
|#D3~au
WogJ~N,d53 双击表格连接到另一页
VE+Q Y9( X~*1 在itemDataBind事件中
u>
XCE|D* if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\U(qv(T {
y#F( xm+L string OrderItemID =e.item.cells[1].Text;
cgNK67"( ...
-K0>^2hh e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
/csj(8^w }
iBVV5 f 0.'$U}#b 双击表格打开新一页
z2vrV?: if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
OIGu`%~js {
8L`J](y string OrderItemID =e.item.cells[1].Text;
ts`c_hH,1' ...
8~YhT]R= e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
^q-]."W]t~ }
q(p]6Ha| fW~r%u
.y ★特别注意:【?id=】 处不能为 【?id =】
4:.yE|@h[ 6.表格超连接列传递参数
kO{A]LnAH <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
U$Z)v1&{ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
mHrt)0\_ KhIg 7.表格点击改变颜色
L9M0vkgri if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
F.i*'x0u {
i+( k e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
LX[<Wh_X( this.style.color=’buttontext’;this.style.cursor=’default’;");
@;_xFL;{g }
K'kWL[Ut! "_WOtJr 写在DataGrid的_ItemDataBound里
=+%QfuK if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9_)*b {
~~!iDF\ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
lQj3#!1} this.style.color=’buttontext’;this.style.cursor=’default’;");
R*VRxQ,h6+ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
J,Du:|3o }
62TWqQ!9d kG@~;*;l Q '/v-bd?o 8.关于日期格式
ZX[@P?A+- /Fy2ZYs,`8 日期格式设定
Tf(-Duxz
DataFormatString="{0:yyyy-MM-dd}"
R".~{6 N9QHX 我觉得应该在itembound事件中
\=Rw/[lR e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
mlW0ptp 7TD%vhbiwi 9.获取错误信息并到指定页面
P&@ 2DI3m i}"Eu<
P 不要使用Response.Redirect,而应该使用Server.Transfer
#\3(rzQVO 8;K'77h e.g
&o%IKB@ // in global.asax
j;6kN-jx protected void Application_Error(Object sender, EventArgs e) {
21Mr2-#z if (Server.GetLastError() is HttpUnhandledException)
P>n}\"z4 Server.Transfer("MyErrorPage.aspx");
C +S w g?GEY //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
j;}!Yn }
-XBD WV i,|2F9YH Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
8 SFw| BQ!v\1'C 10.清空Cookie
P7np
-I* Cookie.Expires=[DateTime];
DdDwMq Response.Cookies("UserName").Expires = 0
@c,Qj$\1 8-]\C 11.自定义异常处理
&v9*D`7L //自定义异常处理类
'qel3Fs" using System;
t M?3oO using System.Diagnostics;
:j feY uU_lC5A| namespace MyAppException
UP]X,H~stU {
6+`+$s0 /// <summary>
_=l8e-6r /// 从系统异常类ApplicationException继承的应用程序异常处理类。
whFaL}2C /// 自动将异常内容记录到Windows NT/2000的应用程序日志
12r]"?@|s /// </summary>
jyB^a;- public class AppException:System.ApplicationException
1 ? be {
f/+UD-@%m public AppException()
OwRH
:l {
W
Cz+ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
N~Zcrt_D }
R8ZI}C1 rUgTJx&ds public AppException(string message)
T7+_/
Qh {
"A?&`}% LogEvent(message);
K 6 D3 }
vk;]9o j* qcpAjjK public AppException(string message,Exception innerException)
0P)"_x_ {
JR>v LogEvent(message);
/DLgE7iU% if (innerException != null)
R;D|To! {
$7\Al$W\ LogEvent(innerException.Message);
BhFyEY( }
O$SQzLZx& }
oMdqg4HUF hHXTSk2 //日志记录类
1:{BC2P using System;
L{)*evBL using System.Configuration;
]rAaErB'; using System.Diagnostics;
P:Nj;Cxh using System.IO;
Vm6
0aXm_ using System.Text;
R|tf}~u !x using System.Threading;
ZDffR:An Km/#\$|} namespace MyEventLog
|, ws 3 {
yex4A)n9"' /// <summary>
_pZ2^OO@ /// 事件日志记录类,提供事件日志记录支持
gxa@da /// <remarks>
2o5Pbdel /// 定义了4个日志记录方法 (error, warning, info, trace)
iLhxcM2K /// </remarks>
ftr?@^ /// </summary>
d9bc>5%-F public class ApplicationLog
o]gS=iLp {
UB5X2uBv /// <summary>
[*i6?5}- /// 将错误信息记录到Win2000/NT事件日志中
znVao %b /// <param name="message">需要记录的文本信息</param>
Fkq;Q /// </summary>
LS(J%\hMDm public static void WriteError(String message)
6KpG,%2L# {
j=>:{`*c WriteLog(TraceLevel.Error, message);
/U1"P }
w]-,X` Gh.@l\|tf /// <summary>
7|vB\[s /// 将警告信息记录到Win2000/NT事件日志中
Y#[Wv1hi /// <param name="message">需要记录的文本信息</param>
A08b=S /// </summary>
:Ca]/ ]] public static void WriteWarning(String message)
;_]Z3 {
e3YdHp WriteLog(TraceLevel.Warning, message);
2p6`@8*34 }
Wa {()Cz @20~R/vh /// <summary>
&i/QFO7y} /// 将提示信息记录到Win2000/NT事件日志中
cwK+{*ZH/ /// <param name="message">需要记录的文本信息</param>
;`p!/9il /// </summary>
%+Az
X public static void WriteInfo(String message)
Lc0yLm {
<Oyxzs
WriteLog(TraceLevel.Info, message);
a
d,0*(</ }
iD/r8_} /// <summary>
0qdgt /// 将跟踪信息记录到Win2000/NT事件日志中
Z{#;my*X| /// <param name="message">需要记录的文本信息</param>
B%~D`[~? /// </summary>
3jaY\(`%h public static void WriteTrace(String message)
WZ#|?pJ {
jjbw+ WriteLog(TraceLevel.Verbose, message);
d|~A>YZ }
k~P{Rm;F rE WPVT /// <summary>
OI0tgkG /// 格式化记录到事件日志的文本信息格式
h~F`[G/' /// <param name="ex">需要格式化的异常对象</param>
"@h 5
SF /// <param name="catchInfo">异常信息标题字符串.</param>
|N^z=g P[ /// <retvalue>
kVG]zt2 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
NEY
b-#v /// </retvalue>
[p
6#fG * /// </summary>
zSU06Y public static String FormatException(Exception ex, String catchInfo)
*CnrzrKtQ {
ohy?l StringBuilder strBuilder = new StringBuilder();
jT6zpi~]E if (catchInfo != String.Empty)
@X\2K?c(v {
T@. $Zpz strBuilder.Append(catchInfo).Append("\r\n");
Y64B"J=P9 }
P0/B!8x strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
*,Mg return strBuilder.ToString();
Xy;!Q`h( }
1zz.`.R2U 1!;}#m7v /// <summary>
#"Wh$x% /// 实际事件日志写入方法
GNv5yWQ@ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
pPezy: /// <param name="messageText">要记录的文本.</param>
l}Fa-9_' /// </summary>
m4@f&6x private static void WriteLog(TraceLevel level, String messageText)
#9 Fe, {
OP-%t\sj> try
/p&)bL {
@|2}*_3\ EventLogEntryType LogEntryType;
qL \*rYe< switch (level)
GA8cA)]zOD {
2k^dxk~$V; case TraceLevel.Error:
f%1Dn }6 LogEntryType = EventLogEntryType.Error;
rX8EXraO break;
zF
F=v7[j case TraceLevel.Warning:
[xVE0l*\ LogEntryType = EventLogEntryType.Warning;
5xEk 7g. break;
i N}BMd.U case TraceLevel.Info:
<_|H]^o LogEntryType = EventLogEntryType.Information;
bnWKfz5 break;
`Al[gG?/! case TraceLevel.Verbose:
.)wj{(>TJ LogEntryType = EventLogEntryType.SuccessAudit;
/)ubyl]^p break;
$B
iG7,[# default:
jgr2qSUC LogEntryType = EventLogEntryType.SuccessAudit;
>VAZ^kgi break;
^1%gQ@P }
M?UlC
p2=Sbb EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
1qs~[7{C1 //写入事件日志
UJ0Dy` f eventLog.WriteEntry(messageText, LogEntryType);
Qbc62 qFu! mndUQN_Gb }
o6} +5 catch {} //忽略任何异常
N1V qK }
Q&rf&8iH } //class ApplicationLog
AR}M*sSh }
`B`/8Cvg 3,K*r"= 12.Panel 横向滚动,纵向自动扩展
F7(~v2| <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
GMw|@?:{ J-W,^% 13.回车转换成Tab
P80z@! <script language="javascript" for="document" event="onkeydown">
n},~2 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
[xXml On! event.keyCode=9;
6g ,U+~ </script>
by {G{M`X ,{C(<1 onkeydown="if(event.keyCode==13) event.keyCode=9"
zr0_SCh;2 35Jno<TP' 14.DataGrid超级连接列
ZOFBT(oV DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Lp \%-s#5s k?.HW?=zy 15.DataGrid行随鼠标变色
nI4xK private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
T#lySev {
Kis\Rg if (e.Item.ItemType!=ListItemType.Header)
FjUp+5 {
3I_"vk e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
cLQvzd:h= e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
/~_Cb=7 }
uTRa]D_q }
-5NP@ B[ f{Ys 16.模板列
B;8YX>r <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
I(8,D[G.m <ITEMTEMPLATE>
6(4o}Sv <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
YbC6&_ </ITEMTEMPLATE>
?lxI&
h </ASP:TEMPLATECOLUMN>
eiZv|?^0 `d=$9Pi <ASP:TEMPLATECOLUMN headertext="选中">
EX>|+zYL <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
bOCdf"!g <ITEMTEMPLATE>
F}Bc +i#] <ASP:CHECKBOX id="chkExport" runat="server" />
iSxxy1R </ITEMTEMPLATE>
tR5zlm(} <EDITITEMTEMPLATE>
TJ9,c2d+ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
DA
oOs}D </EDITITEMTEMPLATE>
:):=KowI </ASP:TEMPLATECOLUMN>
,q#^_/? 2#'[\*2|N 后台代码
r*/Pyh protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
#K7i<Bf {
!MB % //改变列的选定,实现全选或全不选。
&7 }!U CheckBox chkExport ;
-[#Mx}% if( CheckAll.Checked)
vd-`?/,|| {
NQ<~$+{ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
I}Z[F,}*J {
-A9 !Y{Z chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Y*``C):K% chkExport.Checked = true;
wLD/#Hfi7 }
&Ko}Pv }
)2oWoZvi9 else
|xH"Xvp: {
J`O4]XRY foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
1!\!3xa V {
)J_!ZpMC chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
rsfA.o chkExport.Checked = false;
K0]'v>AWr }
w\;=3C` }
?ZSG4La\ }
&a8#qv"l I
TJ>[c]x 17.数字格式化
`sN3iD!@R n?pCMS| 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
BzA(yCu$: <%#Container.DataItem("price","{0:¥#,##0.00}")%>
}se)=7d8
Z H/Goaf% int i=123456;
t1B0M4x9 string s=i.ToString("###,###.00");
<uL?7P 'oTcx Jx 18.日期格式化
NV;5T3 ywk; 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Qd!;CoOmZs ,I=ClmR 显示为: 2004-8-11 19:44:28
$X9Ban] (k
M\R| 我只想要:2004-8-11 】
Xr M[8a <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
v%&f00 C3 0b}2 应该如何改?
i TD}gC "JVzv U] 【格式化日期】
D +)6#i
Y S:vv*5 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
)X\.Xr-6q 5DyN=[b 【日期的验证表达式】
*^c4q|G.- v! @/ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
=Gd[Qn83.% ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
2O9dU 5b R^](X* B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
)gR14a ^\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)EKS =Mn![ 【大小写转换】
uh#PZ
xnP HttpUtility.HtmlEncode(string);
P>pkLP}
Vo HttpUtility.HtmlDecode(string)
R_vZh| 8+gx?pb 19.如何设定全局变量
'xStA 7!oqn'#>A Global.asax中
=oT@h
9VI r'&9'rir2 Application_Start()事件中
9aZ3W<N`M kc8GnKM&mc 添加Application[属性名] = xxx;
6{azzk8 K^{`8E&A 就是你的全局变量
Cqg}dXn' ,l;
&Tb=k 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
(GPJ=r D{'Na5( HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
T,7Y7MzF -#gb {vj 【ASPNETMENU】点击菜单项弹出新窗口
K!I]/0L `yYgL@Zt 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
//ZB B,[@ <?xml version="1.0" encoding="GB2312"?>
GeHDc[7 <MenuData ImagesBaseURL="images/">
>+vWtO2 <MenuGroup>
?]9uHrdsN} <MenuItem Label="内参信息" URL="Infomation.aspx" >
.[1A <MenuGroup ID="BBC">
Q=PaTh
<MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
U"m!f*a <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
kP;:s ......
(=
!_5l XZ|"7a s 最好将你的aspnetmenu升级到1.2版
n#J$=@ crgYr$@s? 21.读取DataGrid控件TextBox值
[b#jw,7 foreach(DataGrid dgi in yourDataGrid.Items)
j{U-=[$' {
'R]Z9h TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
o4~ft!> tb.Text....
3sp*.dk }
{f^30Fw )7j"OE 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
E 3I'3 V'K$:9^x[8 〖思归〗
P< WD_W <asp:TemplateColumn HeaderText="数量">
G~B
V^ <ItemTemplate>
>P0AGZ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
]NFDE-Jz] onkeyup="javascript:DoCal()"
/0o 2 />
Plq[Ml9
y'@l,MN{ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
*?K`T^LS </ItemTemplate>
oQyG </asp:TemplateColumn>
.k*2T<p$rC Q.yKbO<[ <asp:TemplateColumn HeaderText="单价">
2OT6*+D <ItemTemplate>
akCl05YW <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
p\-.DRwT` onkeyup="javascript:DoCal()"
cF(9[8c{ />
}SN'*w@E oTa! F;I <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
@tj0Ir v +]
5a(/m.~ </ItemTemplate>
_r8AO> </asp:TemplateColumn>
\clWrK so8-e <asp:TemplateColumn HeaderText="金额">
23OVy^b <ItemTemplate>
\FKIEg+(2 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
6op\g].P </ItemTemplate>
RDqC$Gu </asp:TemplateColumn><script language="javascript">
/GeS(xzQ function DoCal()
ZDDwh&h {
,@!d%rL:4] var e = event.srcElement;
WX=+\`NyJ( var row = e.parentNode.parentNode;
P)\f\yb var txts = row.all.tags("INPUT");
3\WES! if (!txts.length || txts.length < 3)
F
5JgR-P return;
"LxJPt\ @2$8o]et var q = txts[txts.length-3].value;
}`M6+.z3F var p = txts[txts.length-2].value;
4xYo2X,B <Ihn1? if (isNaN(q) || isNaN(p))
V3+%KkN return;
A!Yqj~ eoL)gIM% q = parseInt(q);
|n|2)hC p = parseFloat(p);
(gmB$pwS i,<-+L$z txts[txts.length-1].value = (q * p).toFixed(2);
U)PumU+z$u }
j?mJ1J5 </script>
_0f[.vN <n:?WP~U \c\=S ueg X Grub1=6l 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。
+]e4c;`ko} page_load
5 O6MI4: page.smartNavigation=true
w[+!c-A:H 5;Z~+$1 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
""a8eB6 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
co@8w!W {
.iYg RW=T for(int i=0;i<e.Item.Cells.Count-1;i++)
@t^2/H
?O if(e.Item.ItemType==ListItemType.EditType)
<|_Ey)1
6 {
JQ1VCG e.Item.Cells.Attributes.Add("Width", "80px")
>I!(CM":s$ }
zc{C+:3$^ }
"D/ fB%h` 8`~]9ej 26.对话框
4HHf3j!5 private static string ScriptBegin = "<script language=\"JavaScript\">";
k^]~NP private static string ScriptEnd = "</script>";
;i:7E#@ '
#mC4\<W8 public static void ConfirmMessageBox(string PageTarget,string Content)
FV9RrI2 {
HkN +: string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Rta P+6'X p~b$+8#+ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
w '"7~uN 3OZ}&[3 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
:W&\}) ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
{h=Ai[|l4Q //Response.Write(strScript);
?7+2i\L }
p[eRK .$! [n"<(~ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
v uP1gem '8JaD6W9S 1.1 取当前年月日时分秒
'YeJGzsJp currentTime=System.DateTime.Now;
TGLXvP&
\ re!CF8
q 1.2 取当前年
QHh#O +by# int 年= DateTime.Now.Year;
AK!G#ug UGMdWq 1.3 取当前月
0#7dm9 int 月= DateTime.Now.Month;
ex1ecPpN L }mhMxOTi 1.4 取当前日
x9e
9$ww} int 日= DateTime.Now.Day;
vK C>t95 <*+MBF 1.5 取当前时
88K*d8m int 时= DateTime.Now.Hour;
0>`69&;g| J\*d4I<(Rt 1.6 取当前分
|H4'*NP" int 分= DateTime.Now.Minute;
>gE_?%a[ x,%&[6( 1.7 取当前秒
'FhnSNT(4= int 秒= DateTime.Now.Second;
iiTUhO ) a?kQ2<@g 1.8 取当前毫秒
uz#9w\=" int 毫秒= DateTime.Now.Millisecond;
cPbz7
ZS+2.)A 28.自定义分页代码:
q|l|gY1g) ^bG!k]U!2 先定义变量 :
(G VGoh& public static int pageCount; //总页面数
)3AT=b public static int curPageIndex=1; //当前页面
}0(
Na \abl|;fj 下一页:
^~ Sn{esA if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
"ir*;| {
EHZSM5hu DataGrid1.CurrentPageIndex += 1;
"Tv7*3> curPageIndex+=1;
~-+Zu< }
L DsYr] FScQS.qF bind(); // DataGrid1数据绑定函数
*`#,^p`j
b TRZ^$<AG 上一页:
vF&b|V+, if(DataGrid1.CurrentPageIndex >0)
Nz;;X\GI {
c0 |p34 DataGrid1.CurrentPageIndex += 1;
U6Ak" curPageIndex-=1;
ThxrhQ
q[+ }
&; \v_5N6 v,&2!Zv bind(); // DataGrid1数据绑定函数
ho1F8TG= b5Pn|5AVj 直接页面跳转:
o__q)"^~- int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Z3dd9m#.] d3GK.8y_z if(a<DataGrid1.PageCount)
)a\h5nQI) {
5WT\0]RUa this.DataGrid1.CurrentPageIndex=a;
j,XKu5w)Oi }
}H=OVbQor +QX>:z bind();
%5%Wo(W' N+5^h(~ 29.DataGrid使用:
p0K;m% WFP\;(YV 添加删除确认:
Ao T 7sy7 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
n^N]iw{G {
SK52.xXJ foreach(DataGridItem di in this.DataGrid1.Items)
|@.<}/ {
s.' \&B[ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
C`wI6! {
Kdu\`c-lB ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
'qAfei'] }
1i:g
/H }
9Z'eBp }
'V#ew\ CDj Dhs 样式交替:
493i*j5r)l ListItemType itemType = e.Item.ItemType;
,hLSRj{ mndl~/ if (itemType == ListItemType.Item )
pm~;:#z7
{
od*Z$Hb>' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
2F@)nh e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
D|j\ nQ }
4UjE*Aq else if( itemType == ListItemType.AlternatingItem)
vUe
* {
J+jmSK%z e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
PlH`(n# e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
:gscW&k }
L~y t AZ, l/zC##1+. 添加一个编号列:
+'KE T, DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
9+
l3$ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
6F.7Ws< UvJuOh+ for(int i=0;i<dt.Rows.Count;i++)
DnsP7k.8T {
ds;cfj[ dt.Rows["number"]=(i+1).ToString();
e ]o'i;I }
Wk#h,p3 ct4 [b| DataGrid1.DataSource=dt;
2?- 07 g DataGrid1.DataBind();
3'*%R48P` UlNfI}#X DataGrid1中添加一个CheckBox,页面中添加一个全选框
.um&6Q=2< private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
S=H_9io {
!Nl.Vb foreach(DataGridItem thisitem in DataGrid1.Items)
BCUt`;q ]B {
T<+ht8&M8 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
.^~l_LkA }
Afy .3T @) }
Kka8cG =v4r M0m, 将当前页面中DataGrid1显示的数据全部删除
P B( foreach(DataGridItem thisitem in DataGrid1.Items)
;=-j;x {
Fu4EEi if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
a WeBav}_ {
n(1wdl Ep string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
g6VD_ Del (strloginid); //删除函数
^0~c7`k`V }
z_Wm
HB }
YWRE&MQ_ 8pk#sJ51 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)
q11QAx4p @q+cmJKv 在Application_Start中添加以下代码:
k%]DT.cE Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
97Zk
P=Cq AppSettings["ConnStr"].ToString();
J1tzHa6 B6ed,($& 31. 变量.ToString()
au~] "*w)puD 字符型转换 转为字符串
1Y=AT!"V 12345.ToString("n"); //生成 12,345.00
AhvvuN$n% 12345.ToString("C"); //生成 ¥12,345.00
w|}W(=# 12345.ToString("e"); //生成 1.234500e+004
E kBae= 12345.ToString("f4"); //生成 12345.0000
$N;"}Gz 12345.ToString("x"); //生成 3039 (16进制)
4ZI!,lv* 12345.ToString("p"); //生成 1,234,500.00%
/v"6BU N7*CP|?E 32、变量.Substring(参数1,参数2);
D3S+LV MSZ!W(7,< 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);
6z#lN>Y-` Hz}+SAZ 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)
j:3EpD@GS <SCRIPT language="javascript">
|N:MZ#}; <!--
H]_WFiW-9 function gook(pws)
4%wq:y<
)/ {
xLx"*jyL frm.submit();
>|a\>UgC }
zmf"I[) //-->
uAu( +zV2 $gVLk. </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
%z*29iKlI <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
I*D<J$ 9N <tr>
v%lv8Lar' <td>
$sEB'>: <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
?"{QK:` <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
?k{|Lk <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
L5Urg*GNL -<Jq <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
4~O6$;!|~ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
m@ i2# hPan </td>
0VzXDb>` nQ5N=l </tr>
7p)N_cJD aZ`<PdA </form>
9nn>O? sFLcOPj-% 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。
~|&="K4,: LeY+p]n~ 下面是获取用户输入的登陆信息的代码:
q*L
] string name;
sNm,Fmuz: name=Request.QueryString["EmailName"];
oW^k7#<e} ~xS@]3n= try
ZB828T3 {
pd d|n2q int a=name.IndexOf("@",0,name.Length);
}6).|^]\' f_user.Value=name.Substring(0,a);
qAqoZMpI|; f_domain.Value=name.Substring(a+1,name.Length-(a+1));
DU;[btK> f_pass.Value=Request.QueryString["Psw"];
|/VL35b }
<B!'3C(P Y}ng_c catch
&K>cW$h=a {
-'6< Script.Alert("错误的邮箱!");
C\ vC?(n Server.Transfer("index.aspx");
OB~C} '^$ }