1. 打开新的窗口并传送参数:
\,5OPSB jsOid5bs 传送参数:
]~1Xx:X- response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
P\R#!+FgW8 KWH l+pL 接收参数:
q2C._{ 0' string a = Request.QueryString("id");
`c~J&@| string b = Request.QueryString("id1");
_]# ^2S zs~v6y@ 2.为按钮添加对话框
Au-h#YV Button1.Attributes.Add("onclick","return confirm(’确认?’)");
(+ibT;!] button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
>2w^dI2 `gFE/i18 3.删除表格选定记录
j"c30AY int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
@?r[
$Ea1M string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
t}]R0O.s qoXncdDHZ 4.删除表格记录警告
HM(S}> private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
>MeM {
T,D(Xh switch(e.Item.ItemType)
^$I8ga {
96FS-` case ListItemType.Item :
GnzKDDH
' case ListItemType.AlternatingItem :
')mR87 case ListItemType.EditItem:
da/Tms`T TableCell myTableCell;
chF@',9t myTableCell = e.Item.Cells[14];
IDIok~B=e LinkButton myDeleteButton ;
M'D l_dx- myDeleteButton = (LinkButton)myTableCell.Controls[0];
"bC1dl< myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
k6?;D_dm break;
!ENDQ?1 default:
3pF7}P break;
F$k^px }
?'$Yj>R6 ?' :v):J} }
"$Mz>]3&q shAoib?Kw: 5.点击表格行链接另一页
iYk4=l
private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2/W5E-tn {
}; ;Thfd //点击表格打开
A3|hFk if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:_f5(N*{5o e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
\6)]!$F6: }
WQ1~9# rV0X*[]J> 双击表格连接到另一页
t/57LjV }pMd/|A, 在itemDataBind事件中
[,)G\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
V|n}v?f_q {
|r%NMw #y string OrderItemID =e.item.cells[1].Text;
t0*,%ge:< ...
=h
Lw1~ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
+-*Ww5Zti }
Jb (CH4|7 >{HQ"{Q 双击表格打开新一页
PV\aQO.mo if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
UTLuzm {
5u89?-UD string OrderItemID =e.item.cells[1].Text;
#NZ#G~oeO ...
^.|P&f~ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
p?v. 42R:z }
_P{f+HxU 'fIoN% ★特别注意:【?id=】 处不能为 【?id =】
f~0CpB*X 6.表格超连接列传递参数
s9)U", <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
O DO'!T- <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
;LXwW(_6d p-Jp/*R5 7.表格点击改变颜色
lIUaGz| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
2]}4)_&d<e {
s1GR!*z> e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
T{:~v+I= this.style.color=’buttontext’;this.style.cursor=’default’;");
$"P[nNW3 }
DQ*T2*L nUy. gAb 写在DataGrid的_ItemDataBound里
*
",/7( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
fR$_=WWN>h {
' %&gER e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
9-3, DxZ} this.style.color=’buttontext’;this.style.cursor=’default’;");
. \t8s0A e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
EQTJ=\WFF }
6^l|/\Y{ w5+H9R6 + ;LO|! 8.关于日期格式
Rl/5eE8 5w+KIHhN| 日期格式设定
tg%#W` DataFormatString="{0:yyyy-MM-dd}"
@/,:".
SM {KGEv% 我觉得应该在itembound事件中
je`Ysbe n e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
<%iRa$i5 JuKG#F#, 9.获取错误信息并到指定页面
n(h9I'V8)F 90[6PSXk 不要使用Response.Redirect,而应该使用Server.Transfer
[2$mo;E? H-&T) e.g
e=^^TX`I // in global.asax
2Wn*J[5 protected void Application_Error(Object sender, EventArgs e) {
'EHtA9M if (Server.GetLastError() is HttpUnhandledException)
YWFq&II|Z Server.Transfer("MyErrorPage.aspx");
7M/v[dwL Cvp!(<<gK //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
!sG#3sUe[ }
(hJ&`Tt ;p+[R+ ) 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
[eO^C &"r /&7: 10.清空Cookie
W=:AOBK Cookie.Expires=[DateTime];
?Xl;>}zj Response.Cookies("UserName").Expires = 0
gHo sPY[ X`6"^
xme 11.自定义异常处理
48IrC_0j //自定义异常处理类
64i*_\UKe using System;
@xXVJWEU: using System.Diagnostics;
nZ'-3 awv$ }EFo namespace MyAppException
`FGYc {
{sfA$ d0 /// <summary>
)Yu /// 从系统异常类ApplicationException继承的应用程序异常处理类。
er8T:.Py /// 自动将异常内容记录到Windows NT/2000的应用程序日志
jNvDE}' /// </summary>
w*M&@+3I public class AppException:System.ApplicationException
oo\7\b#Jx {
$<QrV,T public AppException()
d%za6=M {
AU1U?En if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Z%Fc
-KVt }
5%%e$o+ 4`B3Kt`o public AppException(string message)
"ze-Mb {
} J[Z)u LogEvent(message);
PU,%Y_xR }
UCt}\IJ a$j ~YUG_ public AppException(string message,Exception innerException)
)qRH?Hsb7 {
Vel}lQD LogEvent(message);
16ZyLt if (innerException != null)
`Gj(>z* {
f{.4#C' LogEvent(innerException.Message);
q{ [!" , }
]|-sZ<?<i }
p|C[T]J\@ fX.1=BjXi //日志记录类
+CM>]Ze using System;
4*ZY#7h using System.Configuration;
.ht-* using System.Diagnostics;
M!46^q~- using System.IO;
:sQ>oNnz using System.Text;
N;`/>R4|I using System.Threading;
g/FZ?Wo gYCr,-_i namespace MyEventLog
?<`oKBn {
:h(`eC /// <summary>
)q66^%;S /// 事件日志记录类,提供事件日志记录支持
Cz)&R^ /// <remarks>
s+?2oPa /// 定义了4个日志记录方法 (error, warning, info, trace)
gBky ZK /// </remarks>
ny
cn /// </summary>
<iA\ZS: public class ApplicationLog
W=#AfPi$& {
}v's>Ae~p /// <summary>
PY;tu#W!% /// 将错误信息记录到Win2000/NT事件日志中
Khb Ku0Z /// <param name="message">需要记录的文本信息</param>
AhD C5ue= /// </summary>
dU#-;/}o public static void WriteError(String message)
CLTkyS)C {
q)mG6Su
d WriteLog(TraceLevel.Error, message);
0k#7LubWZl }
Z\$M)e8n -V4%f{9T3 /// <summary>
"M, 1ElQ /// 将警告信息记录到Win2000/NT事件日志中
$~S~pvT /// <param name="message">需要记录的文本信息</param>
~nTj't2R /// </summary>
Y
hQ)M5 public static void WriteWarning(String message)
ruQt0q,W3% {
8qqN0"{, WriteLog(TraceLevel.Warning, message);
vTgx7gP }
'Oj 1@0*0 AN:yL
a! /// <summary>
J\Hv42 /// 将提示信息记录到Win2000/NT事件日志中
*i}X(sfe /// <param name="message">需要记录的文本信息</param>
qiB~ /// </summary>
D#G%WT/" public static void WriteInfo(String message)
>{N}UNZ$} {
CxTmW5l WriteLog(TraceLevel.Info, message);
oNtoqYwH }
fd4C8>*7G /// <summary>
@AF<Xp{ /// 将跟踪信息记录到Win2000/NT事件日志中
V^,eW! /// <param name="message">需要记录的文本信息</param>
BZ=I/L /// </summary>
\"1>NJn&k) public static void WriteTrace(String message)
Z6rhInIY {
@zC6` WriteLog(TraceLevel.Verbose, message);
{nbT$3=Zt }
<)p.GAZ Lo~;pvv /// <summary>
R0}1:1}$Sn /// 格式化记录到事件日志的文本信息格式
WFiX=@SS /// <param name="ex">需要格式化的异常对象</param>
*68 TTBq( /// <param name="catchInfo">异常信息标题字符串.</param>
:{2~s /// <retvalue>
0|RofL&o /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
wS);KLe3 /// </retvalue>
CVWT>M< /// </summary>
|DV?5>> public static String FormatException(Exception ex, String catchInfo)
~W [I {
mwo:+^v( StringBuilder strBuilder = new StringBuilder();
!(rAI if (catchInfo != String.Empty)
QXZyiJX} {
v&|65[< strBuilder.Append(catchInfo).Append("\r\n");
`Bw]PO }
_Z Sp$>)/ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Bl*}*S PU return strBuilder.ToString();
J\r\_P@;c }
]bJz-6u#: +U2lwd!j /// <summary>
"~5cz0
H3v /// 实际事件日志写入方法
P{--R\ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
9H/>M4RT /// <param name="messageText">要记录的文本.</param>
f4h~c /// </summary>
X58U>4a private static void WriteLog(TraceLevel level, String messageText)
4%^z=% {
R>*z8n try
*^uK=CH1?( {
%(1OjfZc EventLogEntryType LogEntryType;
~<?Zj switch (level)
TIKkS*$ {
I@MG?ZQ case TraceLevel.Error:
uhh7Ft#H LogEntryType = EventLogEntryType.Error;
*qwN9b/! break;
Qz,2PO case TraceLevel.Warning:
:YI5O/gsk? LogEntryType = EventLogEntryType.Warning;
=3.dgtH break;
wX0D^)NtF case TraceLevel.Info:
UPI- j#yc LogEntryType = EventLogEntryType.Information;
"5&"Ij,/ break;
^o{{kju case TraceLevel.Verbose:
tL$,]I$1+ LogEntryType = EventLogEntryType.SuccessAudit;
0+e=s0s. break;
AP=h*1udk default:
=P]Z"Ok LogEntryType = EventLogEntryType.SuccessAudit;
^Hv&{r77 break;
px<psR5 }
M
bWby' =I`S7oF EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
}6@E3z]AMO //写入事件日志
hBjU(}\3 eventLog.WriteEntry(messageText, LogEntryType);
&KjMw:l #NW+t|E }
Jt=-> catch {} //忽略任何异常
!+%gJiu: }
[UA*We 1 } //class ApplicationLog
Jh3 }
P |tyyjO { c#US 12.Panel 横向滚动,纵向自动扩展
Y(g_h:lf,] <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
CefFUqo4 |%C2 cx 13.回车转换成Tab
XM`GK>*aC( <script language="javascript" for="document" event="onkeydown">
?$|tT\SFV if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
0f6o0@ event.keyCode=9;
`NNP<z+\ </script>
8Yh'/,o=L# :)~l3:O onkeydown="if(event.keyCode==13) event.keyCode=9"
a+E
8s7C/D DK74s 14.DataGrid超级连接列
lo$G*LWu: DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
-qc'J<*^4 pi?/]}: 15.DataGrid行随鼠标变色
uge r:cD private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0vqVE]C {
J\y^T3Z if (e.Item.ItemType!=ListItemType.Header)
mD'nF1o
Ly {
O>' }q/ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
1
pVw,} e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&<N8d(
}
KnkmGy }
^I!Z)/ :}e< 16.模板列
O2Qmz=% <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
MJ JC6: <ITEMTEMPLATE>
[P
&B <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
<[k3x8H' </ITEMTEMPLATE>
J@2jx4 </ASP:TEMPLATECOLUMN>
Zi~. ESCN/ocV <ASP:TEMPLATECOLUMN headertext="选中">
[c3!xHt5O <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
3Y)&[aj <ITEMTEMPLATE>
8g0 #WV <ASP:CHECKBOX id="chkExport" runat="server" />
mD9Iao%4~ </ITEMTEMPLATE>
]`$6=)_X <EDITITEMTEMPLATE>
IU8zidn& <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
~^2w)-N </EDITITEMTEMPLATE>
6Cy Byj& </ASP:TEMPLATECOLUMN>
oJTEN}fL Ak?9a_f 后台代码
l$gJ^Wf2gY protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
A;;#]]48 {
@} r*KF- //改变列的选定,实现全选或全不选。
nX (bVT4i CheckBox chkExport ;
Z?+ )ox if( CheckAll.Checked)
}dN\bb{# {
tx5bmF;b) foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
xw8k<` {
Yh1</C chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
p6- //0qb chkExport.Checked = true;
gX{j$]^6G8 }
Q#% LIkeq }
SSI> +A else
<.ZIhDiEl {
?Z{/0X)]| foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
%$&eC {
?ES{t4" chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
>V^8<^?G chkExport.Checked = false;
R|RGoGE6g }
MGF!ZZ\ }
JP Dxzp }
lf(+]k30 _/:- -Z 17.数字格式化
&u:U"j spA|[\Nl 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
^VYR}1Mw <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Qr
R+3kxM %bP+P(vZ int i=123456;
fQ 9af)d string s=i.ToString("###,###.00");
)zWu\JRp (Mfqzy 18.日期格式化
TIp\- ^6l5@#)w 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
usc/DQ1 Z2W&_(^.h 显示为: 2004-8-11 19:44:28
l iY/BkpH @g[ijs\ 我只想要:2004-8-11 】
Ov(k:"N <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
]4t1dVD Xn"#Zy_ 应该如何改?
#bd=G(o~6 Jj]<SWh 【格式化日期】
l3u [ $~8gh>`] 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
CZzt=9 dU-:#QV6 【日期的验证表达式】
QHv]7&^rlj qg j;E=7 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
S8v,'Cc ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
GNW$:=0u :30daKo B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
|~76dxU ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
d*u3]&?x&f %;wDB2k* 【大小写转换】
z/j*zU
` HttpUtility.HtmlEncode(string);
/*g0M2+OZo HttpUtility.HtmlDecode(string)
`V/kM0A5 %Ok#~>c 19.如何设定全局变量
7 :\J2$P pp|$y\ZzB Global.asax中
6U).vg< C,ldi"| Application_Start()事件中
ZW))Mx#K=T E7$ aT^ 添加Application[属性名] = xxx;
*vNAm(\N W DnNVE 就是你的全局变量
k Jz^\Re ,M]W_\N~E 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
~p+
`pwjY1 [ !~8TF HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
.&u
@-Vm ^Cp;#|g, 【ASPNETMENU】点击菜单项弹出新窗口
oJV dFE c@lF*"4 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
&xr (Kb <?xml version="1.0" encoding="GB2312"?>
C| <MenuData ImagesBaseURL="images/">
cm!vuoB~~ <MenuGroup>
iJZvVs', <MenuItem Label="内参信息" URL="Infomation.aspx" >
:"Vmy.xq <MenuGroup ID="BBC">
L]YJ#5 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
E\2f"s <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
% M_F/ O ......
kJ* N`= An]Vx<PD 最好将你的aspnetmenu升级到1.2版
-Nr*na^H9# h 1'm[Y 21.读取DataGrid控件TextBox值
)1R[~]y foreach(DataGrid dgi in yourDataGrid.Items)
MHE/#G {
<&+0[9x TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
(;Bh7Ft tb.Text....
6=%\@ }
2UR1T~r v?d`fd 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?
9QD+ 4[Ko| 〖思归〗
G_WFg$7G% <asp:TemplateColumn HeaderText="数量">
1 )u,% <ItemTemplate>
fG?a"6~ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
xJ^B.;> onkeyup="javascript:DoCal()"
]'<}kJtN. />
iqF|IVPoi &w=ul'R98 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
-{oZK{a1 </ItemTemplate>
WM9({BZ </asp:TemplateColumn>
;<MHl[jJD 4<EC50@. <asp:TemplateColumn HeaderText="单价">
Ga^:y=m <ItemTemplate>
njNqUo> <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
ra
,.vJuT onkeyup="javascript:DoCal()"
K6F05h 5S />
t[HsqnP pgUjje># <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
*>GRU8_} IUWJi\, </ItemTemplate>
PE_JO(e;Xm </asp:TemplateColumn>
n-?zH:]GG{ B0g?!.#23 <asp:TemplateColumn HeaderText="金额">
2Z9ck|L> <ItemTemplate>
\R
3O39[ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
>kuu\ </ItemTemplate>
Vo%ikR # </asp:TemplateColumn><script language="javascript">
juWbd|ad" function DoCal()
?>R(;B|ER {
{rF9[S"h var e = event.srcElement;
}_}LaEYAo var row = e.parentNode.parentNode;
c?Zi/7 var txts = row.all.tags("INPUT");
>2'A~?% if (!txts.length || txts.length < 3)
A/ Sj>Y1j return;
&[|Z2} B90fUK2g var q = txts[txts.length-3].value;
{\h:k\k var p = txts[txts.length-2].value;
&`'@}o>2 ?wIw$p>wT if (isNaN(q) || isNaN(p))
bvl!^xO] return;
:VR%I;g ; f]Zj"Tt- q = parseInt(q);
%xXb5aY p = parseFloat(p);
2`V0k.$?p 6ZXRb txts[txts.length-1].value = (q * p).toFixed(2);
a!j{A?7Kw. }
Z0 c|; </script>
;t/KF" $F/xv&t
PmE8O <pFbm b$/7rVH! 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。
y?iW^>|?L= page_load
!@h)3f]`1G page.smartNavigation=true
MbQ%'z6D /.UISArH 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 ?
}+:X= @Z@ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
(F#2z\$; {
GG4FS for(int i=0;i<e.Item.Cells.Count-1;i++)
`Gg,oCQg if(e.Item.ItemType==ListItemType.EditType)
5p7i9"tgn {
Q ~eh_>" e.Item.Cells.Attributes.Add("Width", "80px")
RRpCWcIv" }
yx<-M }
4^^=^c jU{~3Gn? 26.对话框
94lz?-j private static string ScriptBegin = "<script language=\"JavaScript\">";
~'Korxa private static string ScriptEnd = "</script>";
US<l4 r+a0. public static void ConfirmMessageBox(string PageTarget,string Content)
)'/xNR {
(Kw%fJT string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
-^>7\]
_!yUr5&,Br ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
YCG$GD cU "uKR Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
wk2Ff*& ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
&!>.)I` //Response.Write(strScript);
<Ug1g0. }
=>e>
r~cW "Qk)EY 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
.sZ"|j9m Wm!cjGK 1.1 取当前年月日时分秒
\5#eBJ currentTime=System.DateTime.Now;
IRsyy\[kp8 cOdgBi 1.2 取当前年
/vLW{ % int 年= DateTime.Now.Year;
DH])Q5 .aC/ g?U 1.3 取当前月
7Y
4! int 月= DateTime.Now.Month;
AD7&-=p&w 0>3Sn\gZ( 1.4 取当前日
F ^)(
7}ph int 日= DateTime.Now.Day;
-{p~sRc& 5[`f(; 1.5 取当前时
Cv<
s| int 时= DateTime.Now.Hour;
^= qL[S6/M M?qvI 1.6 取当前分
C)&BtiUN/ int 分= DateTime.Now.Minute;
=]L ALw eB<R"Yvi 1.7 取当前秒
EuKkIr/( int 秒= DateTime.Now.Second;
=BO>Bi&& N1JM[<PP 1.8 取当前毫秒
4=l$wg~; int 毫秒= DateTime.Now.Millisecond;
76cT}l&.h8 r_Pi)MPc 28.自定义分页代码:
1(WBvAPS 5?>ES* 先定义变量 :
>UXNR`? public static int pageCount; //总页面数
N LSJ
D public static int curPageIndex=1; //当前页面
x.q "FXu L1MG("R 下一页:
3#{Al[jq if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
5>fAO =u!Q {
tf>"fU\P DataGrid1.CurrentPageIndex += 1;
I(qFIV+HR curPageIndex+=1;
"8\2w]" }
_rW75n=3b7 d M;v39 bind(); // DataGrid1数据绑定函数
.|KBQMI /Uni6O)oc 上一页:
OyIIJ!( if(DataGrid1.CurrentPageIndex >0)
dlioa Yc {
[I(
Yn DataGrid1.CurrentPageIndex += 1;
;IR.6k$; curPageIndex-=1;
,b t
j6hg }
OgCz[QXr_ (J.k\d bind(); // DataGrid1数据绑定函数
x-~=@oiv Am"&ApK 直接页面跳转:
8-x)8B int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
B|r' -7VQ{nC if(a<DataGrid1.PageCount)
2CV? cm {
yg82a7D this.DataGrid1.CurrentPageIndex=a;
^MvBW6#1 }
!d1a9los _W>xFBy
bind();
HnKXO sL#MYW5E 29.DataGrid使用:
,: qk+ {n(/ c33 添加删除确认:
9`7>"[=P private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
E^m;Ab= {
&W*^&0AV foreach(DataGridItem di in this.DataGrid1.Items)
D=}\]Krmay {
#j)"#1IE2W if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
BCh|^Pk {
">vi=Tr ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
#GzowI' }
9u%(9Ae }
Dv~jVI Xu }
@DSKa` !1/F71l DX 样式交替:
m%s:4Z%= ListItemType itemType = e.Item.ItemType;
~re~Ys f'TEua_` if (itemType == ListItemType.Item )
v4F+^0? {
P7$/yBI U e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
`7R-2
w<b? e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
$4BvDZDk`B }
gKtgW&PYm else if( itemType == ListItemType.AlternatingItem)
=X7_!vSv {
$ByP 9=| e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
a`>H69(bU e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
}ldpudU }
KCnm_4 I8uFMP 添加一个编号列:
kq@~QI?9 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
/dHIm`. Z DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
}
g%v<'K <T]ey for(int i=0;i<dt.Rows.Count;i++)
"egpc*|] {
?/8V%PL~$ dt.Rows["number"]=(i+1).ToString();
y2=yh30L0E }
-,2CMS#N 1:J+`mzpl DataGrid1.DataSource=dt;
IL`=r6\ DataGrid1.DataBind();
t8`wO+4@ wOsg,p;\' DataGrid1中添加一个CheckBox,页面中添加一个全选框
I{=Yuc private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
45WJb+$ {
fg4mP_ foreach(DataGridItem thisitem in DataGrid1.Items)
U*?`tdXJ$ {
Zn[ppsz| ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
qQ8+gZG$R }
ABcB-V4 }
YLuf2ja}X ',/2J0_ 将当前页面中DataGrid1显示的数据全部删除
Y(R.<LtY foreach(DataGridItem thisitem in DataGrid1.Items)
$=) Pky-~ {
{(I":rt# if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
nu(7YYCM$ {
o=Y'ns^a( string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
zjOOEvi Del (strloginid); //删除函数
cQm4q19 }
K~B }
=}.gU WV P>(FCX 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)
;; ;=)'o n~.$iN 在Application_Start中添加以下代码:
GxEShSGOE Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
wxYGr`f AppSettings["ConnStr"].ToString();
ZB`d&!W> 6@eF|GoP 31. 变量.ToString()
:>U+HQll {8h[Bd 字符型转换 转为字符串
GP^.h kVs 12345.ToString("n"); //生成 12,345.00
'by+hXk 12345.ToString("C"); //生成 ¥12,345.00
4u+0 )< 12345.ToString("e"); //生成 1.234500e+004
uqLP$At 12345.ToString("f4"); //生成 12345.0000
dCeLW 12345.ToString("x"); //生成 3039 (16进制)
Nd&UWk^ 12345.ToString("p"); //生成 1,234,500.00%
MdmN7> B{*{9!(l9 32、变量.Substring(参数1,参数2);
P^tTg (|NC xey 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);
l qKj;' !-%XrU8o3 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)
" m13HS <SCRIPT language="javascript">
keFH
CC <!--
2t
PfIg function gook(pws)
{Ay dt8 {
~9E_L?TW* frm.submit();
D~#%^a+Aq_ }
[:cvy[}v@ //-->
9bspf { 2TNK </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
kDI?v6y5 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
!?=U{^|7y <tr>
zo8D" <td>
r$8'1s37` <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
P=_fYA3 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
/KNDo^P <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
v?Utz~lQ gu+zfvkcY <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
6su~SPh <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
|<5F08]v 6uT*Fg-G </td>
*mbzK*
8QZI(Xe9r </tr>
}YVF
fi~ CH&{x7$he
</form>
ml<tH2Qx3C .Z
67 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。
y^ |u'XK ],k~t5+ 下面是获取用户输入的登陆信息的代码:
7eAV2. string name;
se`Eez} name=Request.QueryString["EmailName"];
~> Q9 ,G g;:)k\ try
9)NKI02M| {
EK Vcz'w int a=name.IndexOf("@",0,name.Length);
W\NC3] f_user.Value=name.Substring(0,a);
N2"B\ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
bd~m'cob> f_pass.Value=Request.QueryString["Psw"];
kS8?N`2}LV }
6(rN(C T7^;!;i`X catch
`Z8k#z'bN {
<|jh3Hlp Script.Alert("错误的邮箱!");
<r.QS[:h Server.Transfer("index.aspx");
)*>wa%[-q }