1. 打开新的窗口并传送参数:
Sf"]enwB I?~iEO\nh 传送参数:
G5hh$Nmpi response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
eW/sPQ- n/vKxtW 接收参数:
6U?z string a = Request.QueryString("id");
grbUR)f<?- string b = Request.QueryString("id1");
?_BK(kL_ yRtxh_wr9 2.为按钮添加对话框
7>$&CWI Button1.Attributes.Add("onclick","return confirm(’确认?’)");
f~-Ipq;F button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
] IeyJ VqBb=1r%o7 3.删除表格选定记录
@@~Ql int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
L>>Cx`ASi string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
tv\_&
({ >og-
jz 4.删除表格记录警告
`44 }kkBT private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
U{|WN7Q:A {
o^*k
switch(e.Item.ItemType)
qrt2BT) {
$`'Xb case ListItemType.Item :
RA^-Pa.O case ListItemType.AlternatingItem :
:+Okv$v4 case ListItemType.EditItem:
k:sFI @g TableCell myTableCell;
(N/KP+J$n myTableCell = e.Item.Cells[14];
SXF~>|h5< LinkButton myDeleteButton ;
c_dg/!Iu myDeleteButton = (LinkButton)myTableCell.Controls[0];
^R;rrn{^ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
xp;CYr"1} break;
uYy&<_r default:
nAY'1!O i break;
Ow f:Kife }
z]33_[G1U 1_V',0|`> }
:I/i"g7< U%T{~f 5.点击表格行链接另一页
bS"zp6Di private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
r?:xD(}Q {
PZE{-TM?W //点击表格打开
ZT1IN6;8W if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5FQtlB9F e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
#a|.cm>6 }
uX8yS|= * ]s<}'& 双击表格连接到另一页
na-mh
E,H p6|RV(?8 在itemDataBind事件中
p8_
CY[U if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y~-dQ7r {
Yj#4{2A string OrderItemID =e.item.cells[1].Text;
C[IY9s:Pf ...
SQ0t28N3h e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
#dEMjD }
&* 1iW(x GAY
f.L" 双击表格打开新一页
} Rs@ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
]O1}q!s
{
R(dOQ. ; string OrderItemID =e.item.cells[1].Text;
\
N;% ...
rQM$lJ[x e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
o{I]c#W }
HI%#S&d VyWPg7}e ★特别注意:【?id=】 处不能为 【?id =】
dSq3V#Q 6.表格超连接列传递参数
.Mz'h9@ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
X|wg7>kh*` <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
JVawWw0q :0'2m@x~ 7.表格点击改变颜色
)"4v0dv if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
*p=a-s5- {
2Pz)vnV" e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
NU{`eM this.style.color=’buttontext’;this.style.cursor=’default’;");
N "Mw1R4 }
T]0H&Oov qG?svt 写在DataGrid的_ItemDataBound里
W1;u%>Uh if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
c
D0-g=&
{
6
~LCj" e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
8P[aX3T7G this.style.color=’buttontext’;this.style.cursor=’default’;");
<V_P)b8$1 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
HLsG<# }
O;m@fS2%3 "GY/2; j8|N;;MN 8.关于日期格式
{IR-g,B Qqn9nO9 日期格式设定
q{E44
eQ7F DataFormatString="{0:yyyy-MM-dd}"
&|&tPD/dJ 3wf&,4`EX 我觉得应该在itembound事件中
(// f"c]/ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Gr}lr gP S ~4'AnoD1w 9.获取错误信息并到指定页面
0oiz V;B5% 1p }:K`#{ 不要使用Response.Redirect,而应该使用Server.Transfer
0kOl,%Ey =>en<#[\: e.g
Yp(F}<f? // in global.asax
&/-^D/ot protected void Application_Error(Object sender, EventArgs e) {
9#iv|X if (Server.GetLastError() is HttpUnhandledException)
7w?V0pLwn8 Server.Transfer("MyErrorPage.aspx");
N`1W"Rx! yhzZ[vw7k //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
ey ; 94n:< }
{Xw6p f tE2@} Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
w0(1o_F7. ;eQOBGX9 10.清空Cookie
wM
aqR"% Cookie.Expires=[DateTime];
Htn''adg5 Response.Cookies("UserName").Expires = 0
i?0+f}5<p k/]4L!/ T 11.自定义异常处理
]
lONi //自定义异常处理类
e|2@z-Sp- using System;
RP|/rd]-k using System.Diagnostics;
\#O}K guc[du namespace MyAppException
[:*Jn} {
8AgKK=C= /// <summary>
kD.KZV /// 从系统异常类ApplicationException继承的应用程序异常处理类。
bDq[j8IT6 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
j$ h>CZZ /// </summary>
Oiz@tEp=_ public class AppException:System.ApplicationException
S%{^@L+V {
.m/$ku{/J public AppException()
W3aFao>!OZ {
*47',Qy if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
SNl% ?j|
f }
_ 0g\g~[ q47:kB{d public AppException(string message)
TcEvUZJ" {
P|'eM% LogEvent(message);
).l`N&_peM }
14Y<-OO:
k @B#\3WNt public AppException(string message,Exception innerException)
s.]<r5v7 {
sfKu7p uc LogEvent(message);
(Xv'Te? if (innerException != null)
Tt\h#E {
SSo7
U LogEvent(innerException.Message);
9?J
3G,& }
Nt'6Y;m! }
,C97|6rC rO3.%B} //日志记录类
|0N6]%r using System;
JVxGS{Z using System.Configuration;
lo< t5~GQ using System.Diagnostics;
}fT5(+ Wo using System.IO;
]q pLaBD using System.Text;
e:uk``\ using System.Threading;
~dz,eB Ef~Ar@4fA namespace MyEventLog
6>=yX6U1q^ {
bbe$6x wi /// <summary>
mi]bS
/// 事件日志记录类,提供事件日志记录支持
:XFr"aSt /// <remarks>
jRGslak; /// 定义了4个日志记录方法 (error, warning, info, trace)
XV %DhR= /// </remarks>
0s'h2={iI /// </summary>
bpgvLZb>s public class ApplicationLog
]:_s7v {
8Z[YcLy"({ /// <summary>
PXrv2q[5? /// 将错误信息记录到Win2000/NT事件日志中
/9@[gv
A /// <param name="message">需要记录的文本信息</param>
{i#z<ttu /// </summary>
E>I\m!ue public static void WriteError(String message)
)Bw}T {
rZ#ZY WriteLog(TraceLevel.Error, message);
J1UG},-h }
50jZu'z: s{9G// /// <summary>
CR8szMa /// 将警告信息记录到Win2000/NT事件日志中
eEl71 /// <param name="message">需要记录的文本信息</param>
scQnL'\ /// </summary>
'^!#*O public static void WriteWarning(String message)
9,c_(%C {
tN1xZW: WriteLog(TraceLevel.Warning, message);
fPBJ%SZ }
L'L[Vpx !YVGT
< /// <summary>
-~] q?k? /// 将提示信息记录到Win2000/NT事件日志中
j/p1/sJ[y /// <param name="message">需要记录的文本信息</param>
PX/7 :D? /// </summary>
%iR"eEE public static void WriteInfo(String message)
a${<~M
hm {
^gSZzJ5 WriteLog(TraceLevel.Info, message);
+=M N_ }
N> jQe /// <summary>
C116c" /// 将跟踪信息记录到Win2000/NT事件日志中
Q5xQ5Le /// <param name="message">需要记录的文本信息</param>
Ek6z[G`
O /// </summary>
z; Jz^m- public static void WriteTrace(String message)
9y+0Zj+. {
G nPrwDB WriteLog(TraceLevel.Verbose, message);
m"/ o4 }
Ygq;jX s
C>Oyh:%! /// <summary>
yQ!I`T>a /// 格式化记录到事件日志的文本信息格式
q5xF~SQGw2 /// <param name="ex">需要格式化的异常对象</param>
Us2IeR /// <param name="catchInfo">异常信息标题字符串.</param>
>r\q6f#J4 /// <retvalue>
'4ip~>3?w /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
.L@gq/x) /// </retvalue>
c:I %jm /// </summary>
1Eh6ti public static String FormatException(Exception ex, String catchInfo)
Y?v{V>;*A {
zvbO
q StringBuilder strBuilder = new StringBuilder();
bYUG4+rD if (catchInfo != String.Empty)
\k
6'[ln {
H):(8/>( strBuilder.Append(catchInfo).Append("\r\n");
%WF]mF T_ }
,n3e8qd strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
e);`hNLih return strBuilder.ToString();
rU9z? ( }
LU $=j b.j$Gna>Q /// <summary>
alH6~ /// 实际事件日志写入方法
}0V aZ<j /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
4w5);x. /// <param name="messageText">要记录的文本.</param>
#w@V!o /// </summary>
Qo~|[]GE private static void WriteLog(TraceLevel level, String messageText)
Ggk#>O G {
`0, G'F try
=}g-N)^ {
mg]t)+ PQ EventLogEntryType LogEntryType;
i_(6}Y& switch (level)
4;*jE ( {
HtV8=.^ case TraceLevel.Error:
N 9W,p2 LogEntryType = EventLogEntryType.Error;
rS8}(lf break;
ykYef case TraceLevel.Warning:
-v! ; LogEntryType = EventLogEntryType.Warning;
YeS5%?Fk break;
s}F.D^^G case TraceLevel.Info:
qV0GpVJZU? LogEntryType = EventLogEntryType.Information;
wxo*\WLe break;
MY}/h@ case TraceLevel.Verbose:
#y-R*4G LogEntryType = EventLogEntryType.SuccessAudit;
Du #>y! break;
goe%'k, default:
.*edaDi LogEntryType = EventLogEntryType.SuccessAudit;
4sq](!A break;
Ihp
Ea,v) }
#&X5Di[A U"RA*| EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
-AN5LE9- //写入事件日志
GkpYf~\Q eventLog.WriteEntry(messageText, LogEntryType);
H<3:1*E l
>~Rzw }
=o4gW`\z catch {} //忽略任何异常
\%&):OD1 }
D"gv:RojD } //class ApplicationLog
C8W_f( i~ }
xXlx}C `S+n,,l 12.Panel 横向滚动,纵向自动扩展
iJH?Z,Tjf <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
g/frg(KF ~O~iP8T 13.回车转换成Tab
EW`3$J; <script language="javascript" for="document" event="onkeydown">
}
m"':f if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
.k$Yleg event.keyCode=9;
6l:uQz9 </script>
Dn)B19b B@v
(ZY onkeydown="if(event.keyCode==13) event.keyCode=9"
85e*um^ _6!iv 14.DataGrid超级连接列
lid0
YK- DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
!mmSF1f Tm$8\c4V:* 15.DataGrid行随鼠标变色
}@"v7X $ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
v"o_V| {
`=S%!akj if (e.Item.ItemType!=ListItemType.Header)
x2TE[#>< {
|8tKN"QG e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
=YIosmr e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
YYL3a=;`a }
W[sQ_Z1C }
P%ThW9^vnj >;l rH& 16.模板列
-24ccN; <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
M3Qi]jO98 <ITEMTEMPLATE>
I@5$ <SN <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
YC$>D?FW </ITEMTEMPLATE>
K4-_a{)/ </ASP:TEMPLATECOLUMN>
(|#%omLL MV w.Fl <ASP:TEMPLATECOLUMN headertext="选中">
R13V}yL <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
U&43/;<, <ITEMTEMPLATE>
X"vDFE`? <ASP:CHECKBOX id="chkExport" runat="server" />
5`@yX[G </ITEMTEMPLATE>
3,EtyJ3[Bh <EDITITEMTEMPLATE>
na*Z0y <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
\TYVAt]
? </EDITITEMTEMPLATE>
_DAqL@5n </ASP:TEMPLATECOLUMN>
&*bpEdkZ v_WF.sb~ 后台代码
8H1&=)M= protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
~!M" {
);h //改变列的选定,实现全选或全不选。
XD"
4t4~> CheckBox chkExport ;
@+1AYVz(k if( CheckAll.Checked)
B`gH({U {
I2krxLPd foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
W7;RQ {
HYG1BfEaW chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
VoQhzp6& chkExport.Checked = true;
>3*a&_cI=k }
~1aM5Ba{ }
8)2M%R\THn else
OO'zIC<z {
@iMF&\KC foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
xB]^^NYE= {
a_]l?t chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
8Q"1I7U chkExport.Checked = false;
4'tY1d }
ktRGl>J }
I0><IaFy }
fQwLx
oad /xbp@/ 17.数字格式化
|lk:(~DM p$ETAvD 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
j/F('r~L <%#Container.DataItem("price","{0:¥#,##0.00}")%>
kem(U{m +md"X@k5* int i=123456;
<:&{ c-f/ string s=i.ToString("###,###.00");
So75h*e R,BINp 18.日期格式化
h(GSM'v ,b5vnW\ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
6'x3g2C/ )/Gi-:: 显示为: 2004-8-11 19:44:28
O<$j}?2 =q|//*t2 我只想要:2004-8-11 】
:Rnwyj]) <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
2[j`bYNe lA;qFXaN> 应该如何改?
<r(D\rmD :6u.\u 【格式化日期】
]"?<y s /1D.Ud^ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
i) Q
d>(v G'';VoW= 【日期的验证表达式】
=;F7h
@: FD~
UF;VQ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
;g;1<?
[ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
LU8:]zOY ^QG<_Dm] B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
aR'~=t&;z1 ^\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]))$
ori[[~OyB FQE(qltf, 【大小写转换】
cct/mX2&~ HttpUtility.HtmlEncode(string);
.6I'V3:Kg HttpUtility.HtmlDecode(string)
:h/v"2uDN eAqpP>9n 19.如何设定全局变量
ITEf Q@#jU =fdW H4 Global.asax中
?GtI.flV NB86+2stu Application_Start()事件中
Y"^.6 ZR"qrCSw` 添加Application[属性名] = xxx;
_meW9)B :7 JP(j2 就是你的全局变量
Z c#Jb M _lLP8W} 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
JiuA"ks) U.b|3E/^ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Y7 K2@257 k7L4~W 【ASPNETMENU】点击菜单项弹出新窗口
rz2,42H] jGo\_O<of 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
qn,fx6v4 <?xml version="1.0" encoding="GB2312"?>
B@*!>R <MenuData ImagesBaseURL="images/">
:#{0yno)H <MenuGroup>
Iz;^D! <MenuItem Label="内参信息" URL="Infomation.aspx" >
*J
>6i2M,u <MenuGroup ID="BBC">
yF_/.m I <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
_34%St!lg <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
@v!#_%J ......
{x[C\vZsi] Y=O-^fL 最好将你的aspnetmenu升级到1.2版
'A\0^EvVv O*B9Bah 21.读取DataGrid控件TextBox值
I3i zLi foreach(DataGrid dgi in yourDataGrid.Items)
+"JWsD(C( {
'<*%<J{( TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
:_nGh]% tb.Text....
~"4Cz27 }
%M`zkA2]J 86dz Jh 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?
B(6*U~Kn% .|TF /b] 〖思归〗
ZP&iy$<L <asp:TemplateColumn HeaderText="数量">
Ex@}x#3 <ItemTemplate>
qK~]au:C <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
|z&7KoYK' onkeyup="javascript:DoCal()"
ER@RWV2 />
*P5/ S8c {a9.0N :4 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
~ahu{A4Bw </ItemTemplate>
,JTyOBB<I </asp:TemplateColumn>
"A5z!6T{ L'"c;FF02i <asp:TemplateColumn HeaderText="单价">
x&m(h1h <ItemTemplate>
w\V<6_[vv. <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
]"YXa~b onkeyup="javascript:DoCal()"
w{;~ />
|lu@rN =}u?1~V <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
m5HMtoU kGakdLl </ItemTemplate>
8493O x4 O </asp:TemplateColumn>
i=pfjC </SO#g^r< <asp:TemplateColumn HeaderText="金额">
kE!ky\E <ItemTemplate>
TC@F*B; <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
!1]jk(Z </ItemTemplate>
s$0dLEa9 </asp:TemplateColumn><script language="javascript">
X &G]ci function DoCal()
BJLeE}=H {
F&3 :]1 var e = event.srcElement;
vBM<M3 var row = e.parentNode.parentNode;
/+. m.TF var txts = row.all.tags("INPUT");
0 N0< 4b if (!txts.length || txts.length < 3)
O#>,vf$ return;
:!fY;c? 1]A\@( var q = txts[txts.length-3].value;
"d
M-3o< var p = txts[txts.length-2].value;
|<y1<O>F %zDi|WZ if (isNaN(q) || isNaN(p))
6@FxPi9|# return;
k)8*d{ * hAP2DeT$ q = parseInt(q);
6{g&9~V p = parseFloat(p);
D4$"02" "+
k}#<P4\ txts[txts.length-1].value = (q * p).toFixed(2);
fi&>;0?7 }
i1]}Q$ </script>
62G%.'7 RQ#9[6w!v /#L4ec-' - ku8n%u yZNg[KH 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。
o"A?Aq page_load
3RcnoXX_ page.smartNavigation=true
Wg8*;dvtM %N\8!aXnf 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 ?
at2)%V) private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
?nE9@G5Gc {
_(8N*q*w for(int i=0;i<e.Item.Cells.Count-1;i++)
RmOkb~ if(e.Item.ItemType==ListItemType.EditType)
uBC#4cX`D* {
~*~aFf5 e.Item.Cells.Attributes.Add("Width", "80px")
J @IKXhb7_ }
[p(0g;bx }
' 8Q}pp` NpbZt;%t 26.对话框
fl4'dv private static string ScriptBegin = "<script language=\"JavaScript\">";
R4zOiBi'B private static string ScriptEnd = "</script>";
Z]5xy_La `>lY$EBG@[ public static void ConfirmMessageBox(string PageTarget,string Content)
wNNg"}&P {
9OlJC[ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
?/~Q9My }We-sZ/w7r ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
3-[+g}kak? r $ YEq5 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
%/_E8GE
ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
zcio\P=^|B //Response.Write(strScript);
3J3wKw!` }
5B3sRF} ^.*zBrFx 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
8hSw4S"$ 7x*C`
Et<x 1.1 取当前年月日时分秒
p`!<yq2_ currentTime=System.DateTime.Now;
z$(`{
o%a 4ZYywD wn 1.2 取当前年
64^3ve3/a= int 年= DateTime.Now.Year;
3b`#)y^y?% i@%a!].I 1.3 取当前月
6!=q+sw/X int 月= DateTime.Now.Month;
Zl.,pcL eF4f7>5Cv 1.4 取当前日
,WAJ&
'^ int 日= DateTime.Now.Day;
k[*> nE 9w1`_r[J 1.5 取当前时
kp6 &e int 时= DateTime.Now.Hour;
i|S/g.r $2Bll 5!] 1.6 取当前分
v9#F\ F/ int 分= DateTime.Now.Minute;
RS2uk7MB bY~V?yNgKM 1.7 取当前秒
Iy5)SZ' int 秒= DateTime.Now.Second;
"wxyY^" H5CL0#I 1.8 取当前毫秒
LF+E5{=:R int 毫秒= DateTime.Now.Millisecond;
WP^wNi
~> v[jg|s&6" 28.自定义分页代码:
3wPUP+)c7 >3I|5kZ6 先定义变量 :
^t`0ul]c public static int pageCount; //总页面数
y6H`FFqK public static int curPageIndex=1; //当前页面
{c<cSrfI ]v+yeGIK S 下一页:
fOP3`G^\ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
\GK]6VW {
ZJ/K MW DataGrid1.CurrentPageIndex += 1;
/8 "rCh|m- curPageIndex+=1;
}z2[w@M }
VLfKN)g <EY{goW bind(); // DataGrid1数据绑定函数
AMK(-= D23 c/8K 上一页:
g?@fHFct if(DataGrid1.CurrentPageIndex >0)
wb39s^n {
@z=L\e{ DataGrid1.CurrentPageIndex += 1;
f$--y|= curPageIndex-=1;
I`x[1%y2 F }
s+h}O}RV Q+O./1x*, bind(); // DataGrid1数据绑定函数
J2$,'(!( 4lwoTGVZj 直接页面跳转:
0L d"df* int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
j&q%@%Gm H6lZ<R{= if(a<DataGrid1.PageCount)
(Dx p {
N7^sn!JB this.DataGrid1.CurrentPageIndex=a;
'{)Jhl47 }
y<l(F?_ cXb&Rm'L bind();
jZiz 0[ N%)q.'M 29.DataGrid使用:
~{pds 4v9d&
m!< 添加删除确认:
s|k&@jH) private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
TK0W=&6#A {
OMBH[_ foreach(DataGridItem di in this.DataGrid1.Items)
x
}]"jj2x {
D J7U6{KLq if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
U&#`5u6'j {
RSnBG" ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
WS%yV|e }
/0XmU@B }
^zfs8]QSf }
Q07&7SH_ 7"OJ,Mx% 样式交替:
xl@~K^c] ListItemType itemType = e.Item.ItemType;
KxWm63" 0g#x QzE if (itemType == ListItemType.Item )
Y+5aT(6O {
bGxHzzU} e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
D&qJ@PR e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
oqzWL~ }
bV+2U else if( itemType == ListItemType.AlternatingItem)
aj<r= {
e%IbME]x e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
jsP+,brO e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
}i^$
li@ }
`Q[NrOqe" +zEyCx=8H 添加一个编号列:
hS&.-5v DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
2UxmKp[ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
2rb@Md]dx =q*c}8R_0 for(int i=0;i<dt.Rows.Count;i++)
T 2Yc` + {
Z*=$n_
G dt.Rows["number"]=(i+1).ToString();
.hnq>R\ }
$VF$Ok> ncTMcu DataGrid1.DataSource=dt;
)KGz -!1c DataGrid1.DataBind();
1MmEP Qj$w7*U DataGrid1中添加一个CheckBox,页面中添加一个全选框
wJ"]H!r0 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
4um^7Ns)7 {
%/qwqo`Q
foreach(DataGridItem thisitem in DataGrid1.Items)
z[y {
v8n^~=SH ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
amQTPNI }
n~ 0MhE0H }
=ADOf_n} Ejnk\ 8: 将当前页面中DataGrid1显示的数据全部删除
'8(UiB5d foreach(DataGridItem thisitem in DataGrid1.Items)
ce; zn\ {
lQy-&d|=#^ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
|kTq
&^$ {
W Bb*2 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
/y6I I$AvM Del (strloginid); //删除函数
i1'G_bo4F7 }
|sEuhP\A3 }
Ijk hV 12;YxW>[ 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)
>8b%*f8R ) TRUx 在Application_Start中添加以下代码:
O%haaL\ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
&gUa^5'# AppSettings["ConnStr"].ToString();
6Nt/>[ *||Q_tlz 31. 变量.ToString()
TKgN31 ` 1N<n)>X4
字符型转换 转为字符串
z4;@"B 12345.ToString("n"); //生成 12,345.00
{s@ 0<! 12345.ToString("C"); //生成 ¥12,345.00
5:C>:pA V 12345.ToString("e"); //生成 1.234500e+004
>s1?rC 12345.ToString("f4"); //生成 12345.0000
a6O <t;& 12345.ToString("x"); //生成 3039 (16进制)
j(k}NWPH 12345.ToString("p"); //生成 1,234,500.00%
b*/Mco 9O #=;vg 32、变量.Substring(参数1,参数2);
/Gn0|]KI X{<taD2~ 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);
]Qa|9G,b WW2hwB( 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)
[rL 8L6,! <SCRIPT language="javascript">
D@:'*Z( <!--
_pDfPLlY& function gook(pws)
dCo3 VF"u {
yH>C7M7t frm.submit();
wNn=JzP }
pf%;* //-->
F^`+.G\ +S`cUn7 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
!IA\c(c^ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
g-1j#V`5 <tr>
X$6QQnyR <td>
Xo&\~b#- <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
cbs ; <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
adAdX;@e` <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
HFlExau &`m$Zzl;
<INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
`j!_tE` <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
y7%SHYC p[ gVI`&W__, </td>
%QEyvl4 L]u^$=rI </tr>
P}qpy\/(4 _:WNk( </form>
x+;y0`oL =N8_S$nx( 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。
FOsxId[f9 jA[Ir3 下面是获取用户输入的登陆信息的代码:
i]L=M
5^C string name;
rHk,OC name=Request.QueryString["EmailName"];
WiZTE(NM` .l5-i@=W try
. UH'U\M {
Nu\<Xr8 int a=name.IndexOf("@",0,name.Length);
f-ceDn f_user.Value=name.Substring(0,a);
xSNGf@1b f_domain.Value=name.Substring(a+1,name.Length-(a+1));
c!'\k,ma<9 f_pass.Value=Request.QueryString["Psw"];
&I(\:|`o }
qxsHhyB_n; BW}M/ catch
}p?67y/ {
|lg jI!iK Script.Alert("错误的邮箱!");
#f HnM+ Server.Transfer("index.aspx");
+8x_f0< }