1. 打开新的窗口并传送参数:
7h&xfrSrD oPa2GW8 传送参数:
EzNmsbtZ( response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
hNx`=D9[7 g-^CuXic 接收参数:
}$qy_Esl string a = Request.QueryString("id");
"Wi`S; string b = Request.QueryString("id1");
$Z{ fKr wCmwH=O 2.为按钮添加对话框
|lJXI:GG Button1.Attributes.Add("onclick","return confirm(’确认?’)");
/2l4'Q= button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
r}hj,Sq' -8 &f=J) 3.删除表格选定记录
?-@hNrx int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
^[zF_df string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
s ^)W?3t] FNc[2sI 4.删除表格记录警告
o{-PT' private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Nq*\{rb {
0w+hf3K+: switch(e.Item.ItemType)
bO2$0!=I {
k9^P#l@p case ListItemType.Item :
[j93Mp case ListItemType.AlternatingItem :
Q8:u 1$} case ListItemType.EditItem:
U +mx@C_ TableCell myTableCell;
' J-(v myTableCell = e.Item.Cells[14];
8:s3Q`O LinkButton myDeleteButton ;
Z]SCIU @+ myDeleteButton = (LinkButton)myTableCell.Controls[0];
)3)L myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
mnil1*-c0 break;
(^Nf;E default:
&q":o 'q break;
t Ac;O[L }
(5yg\3Jvp XLmbpEh }
Opjt? ] 3tr?-l[N\ 5.点击表格行链接另一页
$ng\qJ"HF private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#h r!7Kc;N {
U Ciq'^, //点击表格打开
-CL7^ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
'|FM|0~-J e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
MH !CzV& }
.7)A8R7Wt gpw(j0/Fs 双击表格连接到另一页
/u #9M { B1LnuB% 在itemDataBind事件中
*\joaw if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
l,v:[N {
x7NxHTL string OrderItemID =e.item.cells[1].Text;
RIJBHOa ...
m7RWu I, e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
iz*aBXV A[ }
?<nz2 piP, |_w*:NCV5 双击表格打开新一页
wV-cpJ,} if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Z&.FJZUP {
DJ<c string OrderItemID =e.item.cells[1].Text;
Zb9@U: \ ...
nmSpNkJ5 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
+i)1 jX< }
^ g4)aaBZ 5mFi)0={y ★特别注意:【?id=】 处不能为 【?id =】
:_e.ch:4 6.表格超连接列传递参数
g` h>:5] <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
MI@ RdXkY <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
l|&|+u# o_5|L9 7.表格点击改变颜色
0\h2& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
qA"?5 j32 {
B'
:ZX-Q) e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
BR0bf5T/ this.style.color=’buttontext’;this.style.cursor=’default’;");
9s7B1Pf }
=vK (-h T.(SBP 写在DataGrid的_ItemDataBound里
@ym7hk. if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
o&CvjE
{
F(XWnfUv e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
&pmJ:WO,h this.style.color=’buttontext’;this.style.cursor=’default’;");
hqBwA1](a e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
|RjjP 7 }
\4vFEJSh xeHu-J!P }Ns_RS$ 8.关于日期格式
db4&?55Q P0z "Eq0S 日期格式设定
zc2,Mn2 DataFormatString="{0:yyyy-MM-dd}"
yqBu7E$X bX6*/N 我觉得应该在itembound事件中
KGI]W|T e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
b#y}VY)? [2FXs52 9.获取错误信息并到指定页面
)Tb;N #15q`w 不要使用Response.Redirect,而应该使用Server.Transfer
[wu%t8O2 ;J5oO$H+68 e.g
j2\G1@05 // in global.asax
K^>qn,]H' protected void Application_Error(Object sender, EventArgs e) {
&G"]v]V if (Server.GetLastError() is HttpUnhandledException)
XSxya.1 Server.Transfer("MyErrorPage.aspx");
3(}?f -~-2 g //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
'{+hti,Lh }
K3Xy%pqR# *Z0}0<
D@Z 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
@+2Zt% V2y[IeSQ 10.清空Cookie
_ Po9pZ Cookie.Expires=[DateTime];
HwGtLeB" Response.Cookies("UserName").Expires = 0
jxoEOEA _E"[% 11.自定义异常处理
WkO . //自定义异常处理类
utTek5/ using System;
Q3KBG8 using System.Diagnostics;
r;'!qwr %kUJ:lg;d namespace MyAppException
!*cf}<Kmw {
x``!t>)O /// <summary>
1";~"p2( /// 从系统异常类ApplicationException继承的应用程序异常处理类。
6S8l /// 自动将异常内容记录到Windows NT/2000的应用程序日志
asJYGqdF /// </summary>
~kHir]jc public class AppException:System.ApplicationException
/;lk.-yU {
l9jcoVo. public AppException()
D H.ljGb {
dKMuo'H'% if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
@V-ZV }
Wu}Co "E8!{ public AppException(string message)
LNg1q1P3 {
dHu]wog LogEvent(message);
Ltj}>.+ }
>2|#b [L\w]6 public AppException(string message,Exception innerException)
"s*{0'jo {
kQb0pfYs LogEvent(message);
*\`C!r if (innerException != null)
Q\rqG {
8t^"1ND LogEvent(innerException.Message);
cshUxabB }
|z4 /4Y@ }
H}@|ucM"\ pQ/:*cd+M //日志记录类
yO($KL+ using System;
5 4OYAkPCk using System.Configuration;
V|D;7 using System.Diagnostics;
H{V-C_ using System.IO;
z6!X+`& using System.Text;
'l}3Iua6qk using System.Threading;
_x
\Ll?, &p%,+| namespace MyEventLog
z=xHk|+' {
2ReulL8j /// <summary>
d}G?iX;c} /// 事件日志记录类,提供事件日志记录支持
z~BB|-kp1 /// <remarks>
%MIu;u FR /// 定义了4个日志记录方法 (error, warning, info, trace)
=MXF`k^} /// </remarks>
she`_'?5 /// </summary>
r" D |1 public class ApplicationLog
c`>\R<Z ] {
xvkof
'Q) /// <summary>
yO6i "3 /// 将错误信息记录到Win2000/NT事件日志中
-`RJk( /// <param name="message">需要记录的文本信息</param>
Y!`?q8z$G /// </summary>
s%:fB( public static void WriteError(String message)
y>OZ<!` {
,'9tR&S$_ WriteLog(TraceLevel.Error, message);
G^R;~J*TDE }
;L[9[uQ[C
Ntqc=z /// <summary>
70NHU;&N /// 将警告信息记录到Win2000/NT事件日志中
k`t'P6
bU /// <param name="message">需要记录的文本信息</param>
ceOjuzY /// </summary>
^AM_A>HnG public static void WriteWarning(String message)
:b>|U"ux {
q5A+%# WriteLog(TraceLevel.Warning, message);
ELPJ}moWZ }
e%P;Jj476 {,
|"Rpd /// <summary>
`~}7k)F( /// 将提示信息记录到Win2000/NT事件日志中
zm:=d>D.. /// <param name="message">需要记录的文本信息</param>
}.'%gJrS /// </summary>
!vB%Q$!x public static void WriteInfo(String message)
5B2,=?+o {
R',w~1RV' WriteLog(TraceLevel.Info, message);
zbR.Lb }
"tark' /// <summary>
4Rm3'Ch /// 将跟踪信息记录到Win2000/NT事件日志中
W>~%6K>p /// <param name="message">需要记录的文本信息</param>
7L]?)2= /// </summary>
Gh
pd
k; public static void WriteTrace(String message)
A)#sh)
}Q {
2mO#vTX4 WriteLog(TraceLevel.Verbose, message);
c>R(Fs|6 }
o`U\Nhq VB#31T#q? /// <summary>
?
1{S_ /// 格式化记录到事件日志的文本信息格式
@Otc$hj /// <param name="ex">需要格式化的异常对象</param>
KCu6:)6' /// <param name="catchInfo">异常信息标题字符串.</param>
oL@ou{iQ /// <retvalue>
-7$'* V9$ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
]~zJ7I /// </retvalue>
h=tu+pn /// </summary>
16y$;kf8 public static String FormatException(Exception ex, String catchInfo)
YUb,5Y0 {
L,Nr,QC- StringBuilder strBuilder = new StringBuilder();
9H}&Ri% if (catchInfo != String.Empty)
Z)A+ wM {
V[M#qZS strBuilder.Append(catchInfo).Append("\r\n");
G"[pr%? }
6'ZnyWb strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
StL[\9~: return strBuilder.ToString();
gB(W`:[ }
9O Q4\ TxvPfU? /// <summary>
kn"x[{d /// 实际事件日志写入方法
c #!6 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
$ddYH /// <param name="messageText">要记录的文本.</param>
I3Lsj}69 /// </summary>
IpJ v\zH7 private static void WriteLog(TraceLevel level, String messageText)
O)|4>J*B {
Ltw7b try
\.a .'l {
G7;}309s EventLogEntryType LogEntryType;
O-5U|wA switch (level)
hyKg=Foq {
Zsogx}i- case TraceLevel.Error:
Q75^7Ga_ LogEntryType = EventLogEntryType.Error;
?<?C*W_ break;
KUut C
: case TraceLevel.Warning:
eW)I}z+{ LogEntryType = EventLogEntryType.Warning;
W~F/ZrT3A break;
c.Y8CD.tqL case TraceLevel.Info:
;8T=uCi LogEntryType = EventLogEntryType.Information;
~BZV:Es break;
;QQ7vo case TraceLevel.Verbose:
5#)<rK LogEntryType = EventLogEntryType.SuccessAudit;
7 !.8#A': break;
d-sh6q5 default:
BznA)EK?@ LogEntryType = EventLogEntryType.SuccessAudit;
ebe@.ZVSi break;
-l@W)?$ }
mJ>99:W+ (VAL.v* EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
.K1E1Z_ //写入事件日志
BDRVT Y(s eventLog.WriteEntry(messageText, LogEntryType);
Vk_&W.~ a.IF%hP0xo }
Y^Q|l%Qrb catch {} //忽略任何异常
4_I{Q^f }
d`<^+p)oy } //class ApplicationLog
=k=2~
j }
YiuOu(X Wky S Tc 12.Panel 横向滚动,纵向自动扩展
%`'z^W <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
)x x/di |Du13i4].& 13.回车转换成Tab
Qsxkw <script language="javascript" for="document" event="onkeydown">
} !<cph if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
qetP93N_* event.keyCode=9;
fsc~$^.~\ </script>
ENWB|@B wV&f|JO0+ onkeydown="if(event.keyCode==13) event.keyCode=9"
doO
Ap9% ]MLLr'6? 14.DataGrid超级连接列
y6Epi|8 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
!K3cf]2UD (E}cA&{ 15.DataGrid行随鼠标变色
m'(;uR` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>X,Ag {
fEG3b#t N if (e.Item.ItemType!=ListItemType.Header)
;3}EBcw) {
H
L|spl(c e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
? < O e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
T5jG IIa }
"E|r 3cN }
Ru^ ONw" 1R%`i'$/ 16.模板列
W}2 &Pax <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
L sDzV) <ITEMTEMPLATE>
QcG5PV <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
EhPVK6@ </ITEMTEMPLATE>
+%qSB9_>N{ </ASP:TEMPLATECOLUMN>
QiE<[QP{g rKQASRF5* <ASP:TEMPLATECOLUMN headertext="选中">
x~9z`d{! <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Ipz
1+
#s' <ITEMTEMPLATE>
d6@jEa- <ASP:CHECKBOX id="chkExport" runat="server" />
#O9*$eMw </ITEMTEMPLATE>
k\c &2T]W <EDITITEMTEMPLATE>
+#uNQ`1v <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
)*K<;WIWH </EDITITEMTEMPLATE>
+:]Aqyc\ </ASP:TEMPLATECOLUMN>
EPe]-C` NVc!g 后台代码
-)OkG#J@ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
B.mbKntK)R {
]6BmCh //改变列的选定,实现全选或全不选。
*Qg5Z CheckBox chkExport ;
&:;;u\ if( CheckAll.Checked)
f;Bfh3 {
.eabtGO, foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Q_kT}6#(J= {
Z0ncN]) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
,M@m4bx chkExport.Checked = true;
_:gGD8 }
S
$_Y/x }
$EQT"ZX>%i else
[|[sYo {
mfngbFa1 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
|J<pLz {
_(6B. chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[+'BQ chkExport.Checked = false;
wyrI8UY }
hD$p;LF }
S#h'\/S }
(~7m"? c
BHL, 17.数字格式化
,%?; \?b%h WS1&3mOd 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
prlyaq;4 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
G/fP(o-Wd c+8>EU AW int i=123456;
rv,NQZ string s=i.ToString("###,###.00");
6MQs \ J6. 1<W4>~,wj 18.日期格式化
rwL=R, %jZp9}h 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
vLBee>$
\,l.p_< 显示为: 2004-8-11 19:44:28
8|5Gv
{b|3]_-/ 我只想要:2004-8-11 】
yE.495 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
)l#%.Z9 :Hzz{' 应该如何改?
(:?5 i` pHj[O?F 【格式化日期】
nIyROhZ lrs0^@.+ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
;]gsJ9FK< AaVI%$ 【日期的验证表达式】
obAs<nk d; mmM\3] A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
8! H8[J ^((\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})))?$
@],6SKbG6 :BL'>V B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
I|KY+k> / ^\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]))$
8h&oSOkQk, hv$uH7Fz 【大小写转换】
A6^p}_ HttpUtility.HtmlEncode(string);
p}YI#f
in/ HttpUtility.HtmlDecode(string)
#Mj$o;SX ,7^d9v3t 19.如何设定全局变量
r,2Xu "x#]i aDjf Global.asax中
L_THU4^j
mL:m;>JJ n Application_Start()事件中
DKy>]Hca c*x J=Gz6d 添加Application[属性名] = xxx;
QKp+;$SE' +cz"`T`X 2 就是你的全局变量
.cg= r5MxjuOB1 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
3>-[B`dD( y|q@;*rGNa HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
jlu`lG*e& (NH8AS< 【ASPNETMENU】点击菜单项弹出新窗口
@-'/__cgt ^M`>YOU2+ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
K1?Z5X(b
<?xml version="1.0" encoding="GB2312"?>
Ur'9bl{5 <MenuData ImagesBaseURL="images/">
LP^p~5Az <MenuGroup>
"/ tUA\=j <MenuItem Label="内参信息" URL="Infomation.aspx" >
wGEWr2$ <MenuGroup ID="BBC">
#4P8Rzl$/ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
>I$B= <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
K #qoR /: ......
&`9j)3^J. e>L5.~i 最好将你的aspnetmenu升级到1.2版
z.eJEK 3R5K}ZBi% 21.读取DataGrid控件TextBox值
Ik`O.Q.} foreach(DataGrid dgi in yourDataGrid.Items)
F(Lb8\to\M {
5;IT64&] TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
_PK}rr?"7O tb.Text....
$Y8>_6%+T }
)R jb/3*! @v>l[6]>^ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
Mw/?wtW vuYO\u+ud 〖思归〗
}1QI"M* <asp:TemplateColumn HeaderText="数量">
fNmE,~ <ItemTemplate>
@SU8 \:(U <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
X AQGG> onkeyup="javascript:DoCal()"
rHvF%o />
_Zh2eXWdjM 4bP13f <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
2 ]L=s3 </ItemTemplate>
(C,e6r Y </asp:TemplateColumn>
R<"2%oY %tT"`%(+ <asp:TemplateColumn HeaderText="单价">
Z;ZuS[ZA <ItemTemplate>
T>d\%*Q+B <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
C">`' G2 onkeyup="javascript:DoCal()"
hHcJN />
b6 $,Xh T!MZ+Ph`F <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
d; 9*l!CF iJFr4o/R </ItemTemplate>
hT?6sWa </asp:TemplateColumn>
a
"R7JjH z)}3**3'y <asp:TemplateColumn HeaderText="金额">
j7K5SS_] <ItemTemplate>
k/% #> <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
59V#FWe- </ItemTemplate>
OkLz^R?d </asp:TemplateColumn><script language="javascript">
3)}(M function DoCal()
}K2
/&kZ {
!_qskDc- var e = event.srcElement;
w#oGX var row = e.parentNode.parentNode;
xpF](>LC( var txts = row.all.tags("INPUT");
.:rmA8U[ if (!txts.length || txts.length < 3)
b3}Q#Y\G return;
k!T|)\nc+ *'6s63)I2 var q = txts[txts.length-3].value;
9X( Sk% var p = txts[txts.length-2].value;
vB^uxdt|m ]fj- `== if (isNaN(q) || isNaN(p))
k^z0Lo|)' return;
=4eUAeH {w #,G1R7 q = parseInt(q);
1Q]Rd p = parseFloat(p);
|+98h&U~ cgyp5\*>+ txts[txts.length-1].value = (q * p).toFixed(2);
K4C^m|e }
|pJC:woq </script>
g+/0DO_F3 j.DHqHx WJfES2N z5'ZN+ 3QW_k5o 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。
]fZ<`w8u} page_load
/#f^n]v page.smartNavigation=true
{3LA%xO _pW_G1U 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 ?
%`e`g ^ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Mi]I:ka {
(?vK_{ for(int i=0;i<e.Item.Cells.Count-1;i++)
8!&nKy<Y if(e.Item.ItemType==ListItemType.EditType)
$xT1 1 ^ {
uVGa(4u} e.Item.Cells.Attributes.Add("Width", "80px")
[& ^RP,N~ }
/be=u@KV }
,of]J| P^pFqUL7# 26.对话框
w]nX?S8 private static string ScriptBegin = "<script language=\"JavaScript\">";
Z&Ue|Z4Qt private static string ScriptEnd = "</script>";
+c--&tBo UP2}q?4 public static void ConfirmMessageBox(string PageTarget,string Content)
F?9SiX[\ {
Di> rO038 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
2:Q(Gl`<l ;\qXbL7 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
P>(P2~$Y" *:g_'K"+ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
VevNG* ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Fi4UaJ3K //Response.Write(strScript);
rFey4zzz }
A?8\Y{FQ *t(4 $ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
wO7t!35 4 /'N|c. 1.1 取当前年月日时分秒
:'}@Al9=> currentTime=System.DateTime.Now;
'Dath>Y= }$&xTW_ 1.2 取当前年
6V1:qp/6 int 年= DateTime.Now.Year;
$e
}n %?9Ok 1.3 取当前月
z\T Lsx int 月= DateTime.Now.Month;
^z~~VBv +6l]] *H 1.4 取当前日
H=p`T+ int 日= DateTime.Now.Day;
/1d<P! H "UG
K8x 1.5 取当前时
&J$##B int 时= DateTime.Now.Hour;
(u&`Ij9 OX\$ nQ\o 1.6 取当前分
W\8Ln> int 分= DateTime.Now.Minute;
Z(e^ iH $'{=R 45Z 1.7 取当前秒
jnJZ#=) int 秒= DateTime.Now.Second;
:U'Cor
H $shp(T,q 1.8 取当前毫秒
X:EEPGE int 毫秒= DateTime.Now.Millisecond;
7C7>y/uS 7O)" ` 28.自定义分页代码:
#H~_K}Ks \S ."?!U 先定义变量 :
booRrTS public static int pageCount; //总页面数
.TpsJXF public static int curPageIndex=1; //当前页面
Xgat-cy'DA [/|zH'j: 下一页:
=sgdkAYwP if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
<41ZZ0<EwY {
NmpnJu|8 DataGrid1.CurrentPageIndex += 1;
[=uIb._Wv curPageIndex+=1;
eKG2*CV }
/Vww?9U; y9 L14 bind(); // DataGrid1数据绑定函数
`s"d]/85VW d
~`V7B2Y 上一页:
g`0moXz if(DataGrid1.CurrentPageIndex >0)
n lGHT {
3^,QIG DataGrid1.CurrentPageIndex += 1;
iPj~I curPageIndex-=1;
^YlI>_3s }
wRvb8F0 3@<zg1.9- bind(); // DataGrid1数据绑定函数
0N;%2=2_E Kct@87z 直接页面跳转:
e,0-)?5R int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
$_Nf-:D* w0lT%CPx if(a<DataGrid1.PageCount)
fCw*$:O {
/M=3X|| this.DataGrid1.CurrentPageIndex=a;
*[}^[J
x }
F<|t\KOW nZk+ bind();
4aUiXyr*2 =QOg 6 29.DataGrid使用:
5(m(xo6 "ju'UOcS/ 添加删除确认:
iE].&>w private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
F@YKFk+a {
646JDX[o foreach(DataGridItem di in this.DataGrid1.Items)
g)"gw+ZFc {
sG7u}r if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
eWs&J24 {
m Y,|J\w@ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
K.~q+IYP[ }
3Q^fVn$tk }
Na{Y}0=^y }
L2UsqVU 1q7tiMvV- 样式交替:
}baR5v ListItemType itemType = e.Item.ItemType;
UL$}{2N,_ j<<3Pr if (itemType == ListItemType.Item )
b KtD"JG\ {
S\i@s_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
TrS8h^C e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
LeOP;#
}
(Z]HX@"{J else if( itemType == ListItemType.AlternatingItem)
Kn`M4O {
dT"hNHaf e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
p4!:]0c e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
p'_%aVm7 }
<AH1i@4 +Vb8f["+- 添加一个编号列:
^D%Za' DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
zP\7S}p7% DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
R%Y`=pK>} GLMm( for(int i=0;i<dt.Rows.Count;i++)
avQJPB)}Sb {
^x>Qf(b dt.Rows["number"]=(i+1).ToString();
Z @ dC+0[= }
, t5 ' tBbOY}.VD DataGrid1.DataSource=dt;
yw-8#y DataGrid1.DataBind();
r!1D*v5&: %QmxA
7fW DataGrid1中添加一个CheckBox,页面中添加一个全选框
Zdc63fllM private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Mj#-j/{x{5 {
`l;n:]+ foreach(DataGridItem thisitem in DataGrid1.Items)
1\*\?\T>_ {
/D&%v*~E ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
@gC=$A# }
-VKS~{ }
#DU26nCL TfYVw~p_ % 将当前页面中DataGrid1显示的数据全部删除
soA|wk\A foreach(DataGridItem thisitem in DataGrid1.Items)
)Z 9E=% {
8Me:Yp_Xt if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
PXzsj. {
*a;@* string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
%
2$/JZ Del (strloginid); //删除函数
>{gPN"S"a }
S8[=S }
Dl(3wgA ^DeERB 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)
R0ID2:i]F 58\&/lYW 在Application_Start中添加以下代码:
XR2~Q)@ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
TxjYrzC AppSettings["ConnStr"].ToString();
`*", < 6tHO!`}1 31. 变量.ToString()
M5nWVK7c )c n+1R 字符型转换 转为字符串
(wIzat 12345.ToString("n"); //生成 12,345.00
N'r3`8tS 12345.ToString("C"); //生成 ¥12,345.00
F:@70(<w% 12345.ToString("e"); //生成 1.234500e+004
[FA{x?vkf 12345.ToString("f4"); //生成 12345.0000
*4+3ObA 12345.ToString("x"); //生成 3039 (16进制)
Vtc36-\1* 12345.ToString("p"); //生成 1,234,500.00%
* _a@z1 {"oxJ`z4 32、变量.Substring(参数1,参数2);
"Ve.cP,7( CYYkzcc^ 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);
`ps)0!L
L` |(5W86C,ju 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)
kpL@P oQ/r <SCRIPT language="javascript">
FuI73 <!--
*f&EoUk}F function gook(pws)
{!6/x9> {
|8mhp.7 frm.submit();
Ya>oCr}K }
Gj"7s8(/K| //-->
qmO6,T-| 8Ac)'2t;U </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Bm&kkx.9P <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
~|<WHHN( <tr>
\fA{1 <td>
Eskb9^A <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
7VcmVq}X <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
=mA: ctu~v <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
S*j6OwZ IDnC<