1. 打开新的窗口并传送参数:
%4L|#^7: cp?`\P 传送参数:
f8?K_K;\ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
<$D)uY K FZA8@J|Q4 接收参数:
o D*
' string a = Request.QueryString("id");
=-`+4zB\ string b = Request.QueryString("id1");
2%W(^Lj 8`VMdo9 2.为按钮添加对话框
]hvB-R16f Button1.Attributes.Add("onclick","return confirm(’确认?’)");
+n MgQOs button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
v&XG4 & w.l#Z} k 3.删除表格选定记录
K)Db3JIIk int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
CaBTqo string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
ooZ7HTP| $zmES tcm 4.删除表格记录警告
v,|;uc+ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
FcW ?([l {
Vn/6D[}Tu switch(e.Item.ItemType)
Gcs+@7!b {
Ya9uu@F case ListItemType.Item :
(rwbF case ListItemType.AlternatingItem :
xJ&StN/' case ListItemType.EditItem:
h'-TZXs0e1 TableCell myTableCell;
2|%30i,vV myTableCell = e.Item.Cells[14];
^1cqx]>E LinkButton myDeleteButton ;
Y5MHd>m myDeleteButton = (LinkButton)myTableCell.Controls[0];
m'qMcCE myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
:za!!^ break;
{J0^S default:
//+UQgl6 break;
(`!|
Uf$ }
%okEN!= sa#"@j) }
,+X8?9v c~RIl5j 5.点击表格行链接另一页
|ntJ+ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Pucf0 # {
CYrL|{M] //点击表格打开
_~cmR< if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_u:#2K$ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
IWT##']G }
e;6Sj ,OasT!Sr 双击表格连接到另一页
sG VC+!E v}_$9&|S 在itemDataBind事件中
f8&=D4)-w if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
If&p$pAH? {
C3_*o>8 string OrderItemID =e.item.cells[1].Text;
`\Npu ...
T]vD ,I+ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
5%>U.X?i }
_>`0!mG yQx>h6 双击表格打开新一页
,!Hl@( if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
#SqOJX~Q {
tRv#%>fj string OrderItemID =e.item.cells[1].Text;
XW#4C*5?d ...
Lw#hnLI. e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
z H \*v' }
e.jgV=dT- Z?x]HB`r ★特别注意:【?id=】 处不能为 【?id =】
{[9^@k 6.表格超连接列传递参数
'qM3.U <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
q(r2\ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
p5H Mg\hT LTY.i3
7.表格点击改变颜色
FCe503qND$ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Yj"UD:p {
X!
]~]%K$y e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
#YNb&K
n this.style.color=’buttontext’;this.style.cursor=’default’;");
-Qgfo|po }
hW},% m:41zoV 写在DataGrid的_ItemDataBound里
PLY7qMw if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
3|?fGT;P {
*m"mt e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
4YCGh this.style.color=’buttontext’;this.style.cursor=’default’;");
8zGzn%^ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
82=][9d # }
1Jd: %+T RTU:J67E S;c=6@" 8.关于日期格式
M)xK+f2_[ )b7mzDp( 日期格式设定
-( iJ< DataFormatString="{0:yyyy-MM-dd}"
p>zE/Pw~ p&\uF#I;
我觉得应该在itembound事件中
B 3h<K} e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
m,KY_1%M vP?yl "U 9.获取错误信息并到指定页面
M`<D Z<:< Yx%%+c?. 不要使用Response.Redirect,而应该使用Server.Transfer
a@a1/3 /0c&!OP e.g
Kq?7#,_ // in global.asax
4J_%quxO protected void Application_Error(Object sender, EventArgs e) {
1)R)+`y if (Server.GetLastError() is HttpUnhandledException)
z%KChU Server.Transfer("MyErrorPage.aspx");
Qh[t##I/ H xlw1(zS //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
1,QRfckks }
4Klfnki QXz!1o+" Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
@bx2= m\>x_:sE 10.清空Cookie
x -!FS h8q Cookie.Expires=[DateTime];
vuZ<'?Nm Response.Cookies("UserName").Expires = 0
L~$RF {$ oN$ZZk
R 11.自定义异常处理
G](K2= //自定义异常处理类
mOB\ `&h5 using System;
tWiV0PTI using System.Diagnostics;
bDo'hDmW _"bx#B* namespace MyAppException
J53;w:O {
~V&ReW/ /// <summary>
XJ\q!{;h /// 从系统异常类ApplicationException继承的应用程序异常处理类。
5Z[D(z /// 自动将异常内容记录到Windows NT/2000的应用程序日志
r &[~/m8zl /// </summary>
EyeLC6u public class AppException:System.ApplicationException
T82_`u {
Esjv^* v9- public AppException()
W% [5~N {
>
95Cs`>d if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
(`NRF6'&1L }
[jw o D wl%1B64
public AppException(string message)
LJy'wl {
#dft-23 LogEvent(message);
JK(&E{80 }
_:L*{=N K)?^b|D public AppException(string message,Exception innerException)
~c^-DAgB {
rYJ))@ LogEvent(message);
R}>Do=hAO if (innerException != null)
,gvX ~k {
!D3}5A1, LogEvent(innerException.Message);
D:(f" }
}D^Gt) }
.%rR taQ[>x7b //日志记录类
3(:mRb} using System;
v,+@
U6i using System.Configuration;
C\^K6,m5 using System.Diagnostics;
I/aAx.q using System.IO;
_iu|*h1y using System.Text;
rieQ&Jt" using System.Threading;
?N
ga |
#Pc
e namespace MyEventLog
qM0MSwvC= {
+joE /// <summary>
ECScx02 /// 事件日志记录类,提供事件日志记录支持
!iVFzG
@m /// <remarks>
v~\ 45eEA /// 定义了4个日志记录方法 (error, warning, info, trace)
([Aq /// </remarks>
ry
?2 o! /// </summary>
:RsPGj6 public class ApplicationLog
cPcV[6)5K9 {
Yg[IEy /// <summary>
S nHAY< /// 将错误信息记录到Win2000/NT事件日志中
l5[xJH /// <param name="message">需要记录的文本信息</param>
m_2P{ /// </summary>
!r*;R\!n2 public static void WriteError(String message)
x]oQl^F {
p|d9g
^ WriteLog(TraceLevel.Error, message);
=!^iiHF }
[,^dM:E/ 3ms/v:\ /// <summary>
$k ma#7 /// 将警告信息记录到Win2000/NT事件日志中
7]%il[ /// <param name="message">需要记录的文本信息</param>
1Q SIZoK7 /// </summary>
yU"G|Ex public static void WriteWarning(String message)
Ij1]GZ`A( {
%j">&U.[ WriteLog(TraceLevel.Warning, message);
p2vBj. *J }
)6&\WNL-x pT@!O}'$ /// <summary>
rcx;3Vne /// 将提示信息记录到Win2000/NT事件日志中
S I7B6c /// <param name="message">需要记录的文本信息</param>
P|4E1O /// </summary>
xbC8Amo;8" public static void WriteInfo(String message)
UD2<!a'T {
+^?-}v WriteLog(TraceLevel.Info, message);
nq f<NH3i }
eC?/l*gF3 /// <summary>
rR@n>
Xx /// 将跟踪信息记录到Win2000/NT事件日志中
J&:W4\ m /// <param name="message">需要记录的文本信息</param>
>iH).:j /// </summary>
zm+4Rl( public static void WriteTrace(String message)
]B3FTqR{i {
wLSZL WriteLog(TraceLevel.Verbose, message);
x{>Y$t] }
jF{gDK &&1Y"dFs /// <summary>
-]\E}Ti /// 格式化记录到事件日志的文本信息格式
df6Ν4L /// <param name="ex">需要格式化的异常对象</param>
9K46>_TyH /// <param name="catchInfo">异常信息标题字符串.</param>
Czr4
-#2 /// <retvalue>
MLBg_< /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
g[au-.: /// </retvalue>
>J3ja>Gw/ /// </summary>
\'+{X(] public static String FormatException(Exception ex, String catchInfo)
i @9Qb {
I"sobZ` StringBuilder strBuilder = new StringBuilder();
`qDz=,)WP if (catchInfo != String.Empty)
,{?bM {
#)A?PO2 strBuilder.Append(catchInfo).Append("\r\n");
ckN(`W,xp }
$&=;9=" strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
{]\uR-a(o return strBuilder.ToString();
3Ge <G }
HwW[M[qA u45h{i-e /// <summary>
G^rh*cb K /// 实际事件日志写入方法
qH%L"J /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
/;nO<X:XV /// <param name="messageText">要记录的文本.</param>
N~}v:rK>g /// </summary>
V\K
m% vP private static void WriteLog(TraceLevel level, String messageText)
n5k^v$' {
}gi1?a59 try
.;Utkf'I {
p
(xD/E EventLogEntryType LogEntryType;
4zqE?$HM' switch (level)
\kV7NA {
_RaVnMJKX4 case TraceLevel.Error:
tw4am.o1] LogEntryType = EventLogEntryType.Error;
}'V'Y[ break;
|g\. 5IM#W case TraceLevel.Warning:
#~URLN LogEntryType = EventLogEntryType.Warning;
ro&Y7m break;
9hR:y. case TraceLevel.Info:
GQ-e$D@SfB LogEntryType = EventLogEntryType.Information;
_"!{7e`Z break;
|t 65#1 case TraceLevel.Verbose:
:*P___S= LogEntryType = EventLogEntryType.SuccessAudit;
oyN+pFVB:$ break;
s/G5wRl< default:
{`K]sa7` LogEntryType = EventLogEntryType.SuccessAudit;
[wy3Ld break;
S?nNZW\6[ }
Tc3ih~LvG z<[.MH`ln EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
U.pr} hq //写入事件日志
*M5$ h*;v eventLog.WriteEntry(messageText, LogEntryType);
2>MP:yY;K Ife,h
s }
XuFm4DEJ catch {} //忽略任何异常
}U?gKlLg }
j |'#5H` } //class ApplicationLog
@%G' U&R{ }
D2TXOPH hDB`t
$ 12.Panel 横向滚动,纵向自动扩展
7:VEM;[d <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
LTYuxZ
il IV}8 13.回车转换成Tab
!QQ<Ai!E <script language="javascript" for="document" event="onkeydown">
g~Nij~/ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
1FD7~S| event.keyCode=9;
^C:{z)"h </script>
5gc:Y`7t ^;)SFmjg% onkeydown="if(event.keyCode==13) event.keyCode=9"
]m/@wW9 A|
gs Uh 14.DataGrid超级连接列
!8
wid& DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
SA`J.4yn [I++>4 15.DataGrid行随鼠标变色
7dufY
} } private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
S&
, Ju% {
c+E//X| if (e.Item.ItemType!=ListItemType.Header)
SrQ4y`? {
&v3D" J e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
f#;ubfi"z e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
rY[3_ NG% }
hpqHllL }
,NaV
["9$ ^Kw&=u 16.模板列
a8bX"#OR&N <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
u,Q_WR-wJ <ITEMTEMPLATE>
JO&;bT< <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
aR="5{en{: </ITEMTEMPLATE>
{hs2?#p </ASP:TEMPLATECOLUMN>
, `[Z`SUk` Ypn%[sSOp <ASP:TEMPLATECOLUMN headertext="选中">
>tmnj/=& <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
S<y>Y <ITEMTEMPLATE>
F;d%@E_Bc <ASP:CHECKBOX id="chkExport" runat="server" />
.`p<hA)%[C </ITEMTEMPLATE>
CzzUi]*Ac{ <EDITITEMTEMPLATE>
7zJrT5 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
F,L82N6\U </EDITITEMTEMPLATE>
R<y Nv </ASP:TEMPLATECOLUMN>
SmT+L,:D 6:|!1Pg5 后台代码
<i{m.pR> protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
r6oX6.c {
uGuc._}= //改变列的选定,实现全选或全不选。
Yn IM- CheckBox chkExport ;
{*M>X}voS if( CheckAll.Checked)
`eMrP` {
1BMV=_ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
tf$PaA {
~!3t8Hx6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[0% yJH chkExport.Checked = true;
NSMjr_ }
@b::6n/u }
OQytgXED else
Edf=?K+\!i {
fB;&n foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
wc6
E-rB
{
q7O,I`KaJ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
0%h[0jGj chkExport.Checked = false;
; d, JN }
6o[0sM_]; }
xE G+%Uk{ }
|MOn0* Xmf 17.数字格式化
nR,Qm=; <O,'5+zG% 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
++Rdv0~ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
RlI
W&y S4l)TtY int i=123456;
G zJ9N` string s=i.ToString("###,###.00");
{+@ms$z di]$dl|Wi 18.日期格式化
N<L$gw+)$D c*S#UD+ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
5}-)vsa` `YFkY^T 显示为: 2004-8-11 19:44:28
yM (_P0 #6*V7@9]3| 我只想要:2004-8-11 】
ZfFIX5Qd\ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
O_r^oH U7nsMD 应该如何改?
BpQ;w,sefq pX>ua5Z 【格式化日期】
7%:??*"~ q=P
f^Xp 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
652u Z};e bjM-Hd/K 【日期的验证表达式】
K?h[.`} (,- 5(fW A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
2k.S[?) ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
L0X&03e=e: ]uBT & B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
!pd7@FwC ^\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]))$
x><zGXvvp| bajC-5R1k 【大小写转换】
uuI3NAi~ HttpUtility.HtmlEncode(string);
BlkSWW/ HttpUtility.HtmlDecode(string)
w;N{>)hv w"fCI13 19.如何设定全局变量
+}Kk2Kg8 a6;gBoV Global.asax中
4u3 \xR?w6 +G5'kYzJ Application_Start()事件中
4ggVj*{v z{Hz;m:*_ 添加Application[属性名] = xxx;
$?H]S]#|}. M?E9N{t8)a 就是你的全局变量
H/cs_i EsT0"{ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
ggrI>vaw j G+T. HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
R19'|TJ qJ\X~5{ 【ASPNETMENU】点击菜单项弹出新窗口
Z7`5x 8pXfT%] 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Sp<hai <?xml version="1.0" encoding="GB2312"?>
1zdYBb6;j <MenuData ImagesBaseURL="images/">
\1=T
sU&^ <MenuGroup>
rER~P\- <MenuItem Label="内参信息" URL="Infomation.aspx" >
f2uZK!:m <MenuGroup ID="BBC">
UqD5
A~w <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
fdd~e52f <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
NY~ dM\ ......
"F&Tnhh4 LTg?5GwD\j 最好将你的aspnetmenu升级到1.2版
\ua9thOG kFS0i%Sr 21.读取DataGrid控件TextBox值
Rb{+Ki foreach(DataGrid dgi in yourDataGrid.Items)
5/Ydv
RB67 {
aF D="Zh TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
48lzOG tb.Text....
@; W<dJ<X }
ceqFQ u=(H#o<# 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
t@X M /=d 3wV86tH% 〖思归〗
^it4z gx@ <asp:TemplateColumn HeaderText="数量">
F?!FD>L{` <ItemTemplate>
BfX%|CWh <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
0Wa#lkn$I onkeyup="javascript:DoCal()"
g;$E1U=R-E />
].LJt['%8 f&K}IM8& # <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Q]!6uA$A </ItemTemplate>
cL6 6gOEL </asp:TemplateColumn>
wG_4$kyj Sq?,C&LsA <asp:TemplateColumn HeaderText="单价">
EJO.'vQ <ItemTemplate>
4;?1Kb# <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
?A|zRj{ onkeyup="javascript:DoCal()"
<MRC%!. />
G?>qd}]y0L *zJD$+Fo <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
#]"/{Z 1Pu
, :Jt </ItemTemplate>
Q?Wr7 </asp:TemplateColumn>
OdO{xG G@ {PL,VY)Z <asp:TemplateColumn HeaderText="金额">
BeAk21xb <ItemTemplate>
SO7(K5H, <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
fv:L\N1u </ItemTemplate>
C=8H)Ef,l </asp:TemplateColumn><script language="javascript">
)sqaR^ function DoCal()
8^i[j\Y;6 {
5@K\c6 var e = event.srcElement;
bC6X?m= var row = e.parentNode.parentNode;
KUbJe)}g var txts = row.all.tags("INPUT");
OE6#YT if (!txts.length || txts.length < 3)
P;jlHZ 9?O return;
y*_K=}pk fQxSMPWB var q = txts[txts.length-3].value;
!5NGlqEF# var p = txts[txts.length-2].value;
JL@F~U9 v<j2L"bj if (isNaN(q) || isNaN(p))
"@(58nk return;
OO$|9`a ACgt"
M.3F q = parseInt(q);
$\+"qs) p = parseFloat(p);
Tu==49 @sN^BX`z txts[txts.length-1].value = (q * p).toFixed(2);
ehU"*9 }
Q<dba12 </script>
vnDmFqelz !`Le`c %t q& fD0{ 5 Dp^95V@ 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
_<XgC\4O| page_load
70{RDj6{ page.smartNavigation=true
t~q?lT 3=IG#6)~C 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
#o~[1K+Yq private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
r-*l1([eW {
-gB{:UYi3 for(int i=0;i<e.Item.Cells.Count-1;i++)
%
^e@`0L if(e.Item.ItemType==ListItemType.EditType)
KLW&bJ$|j {
wBLsz/ e.Item.Cells.Attributes.Add("Width", "80px")
YKNb59k }
%Or2iuO%-, }
3\]~!;dI
K,6OGsh 26.对话框
IOX:yxj private static string ScriptBegin = "<script language=\"JavaScript\">";
3Qa?\C&4 private static string ScriptEnd = "</script>";
(NPxab8e* LGAX"/LX public static void ConfirmMessageBox(string PageTarget,string Content)
A4}#U=3tI {
.izf#r:< string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Ep<YCSQy$i RU7!U mf ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
i]dz}= j' IEc>.J|T& Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
4aA9\\hfGY ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
*N`;I@Q"[ //Response.Write(strScript);
a/:]"`) }
L*9H#%3 bK?MT]%}r 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
*{Yh6{ Hl/7(FJqc> 1.1 取当前年月日时分秒
zs0hXxTY: currentTime=System.DateTime.Now;
G8noQ_- 2Sjt=LOc=" 1.2 取当前年
">cqt>2 A int 年= DateTime.Now.Year;
V\"1wV~E .8:+MW/ 1.3 取当前月
M.S
s:ttj int 月= DateTime.Now.Month;
svqvG7 Vli3>K& 1.4 取当前日
-(
(Z@T1k int 日= DateTime.Now.Day;
O<>#>[ @"w2R$o 1.5 取当前时
vcwK6G int 时= DateTime.Now.Hour;
x_k S
g <$Z tik1 1.6 取当前分
&lq^dFP&Su int 分= DateTime.Now.Minute;
+
LS3T^ _=?2 3 1.7 取当前秒
z|Ap\[GS int 秒= DateTime.Now.Second;
EQ/^& %6Rn4J^^ 1.8 取当前毫秒
`/0u{[
int 毫秒= DateTime.Now.Millisecond;
W-ez[raY _Ds@lVY 28.自定义分页代码:
>IBTBh_ka 5y040
N- 先定义变量 :
b9DR%hO: public static int pageCount; //总页面数
GY9y9HNZ public static int curPageIndex=1; //当前页面
KXq_K:r? i+1Qf 下一页:
.>wFztK if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
+v!v[qn {
Hsgy'X%om DataGrid1.CurrentPageIndex += 1;
TOrMXcn!/ curPageIndex+=1;
w2C&%Xk }
e6 2y _;7fraqX bind(); // DataGrid1数据绑定函数
O2% ` 2h \q,s?`+B 上一页:
@0D![oA if(DataGrid1.CurrentPageIndex >0)
TW2Z=ks= {
05"qi6tncz DataGrid1.CurrentPageIndex += 1;
g}m+f]| curPageIndex-=1;
VyY.r#@ }
+YuzpuxjJ 8""mp]o9 bind(); // DataGrid1数据绑定函数
!!*;4FK"q guE2THnz3D 直接页面跳转:
2kVp_=c int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
<ZVZ$ZW~D yhwy>12,K if(a<DataGrid1.PageCount)
P:^=m*d {
IkU|W3Vo this.DataGrid1.CurrentPageIndex=a;
KJdzv!l= }
; :T9IL .&PzkqWZ bind();
Je@k iE kN.B/itvA 29.DataGrid使用:
^SAq^3^P! gApz:K[l 添加删除确认:
_YLUS$Zw private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!*_K.1' {
sl^n6N foreach(DataGridItem di in this.DataGrid1.Items)
@mNJ=mEV {
9x[ U$B if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
+6oG@ {
jq[x DwPG ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
{>h97}P }
B4^`Sw }
>(3'Tnu }
F"[3c6yF ABZ06S/ 样式交替:
hiN/S|JN8y ListItemType itemType = e.Item.ItemType;
lV)G@l[1 >C# kqxfg if (itemType == ListItemType.Item )
cQn)^jx= {
[@|be.g e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
A="fj e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
q#'VJA:A5& }
n,sY\=vB else if( itemType == ListItemType.AlternatingItem)
`m, Ki69. {
N+J>7_k e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
HCazwX e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
nE7JLtbH }
;s}3e#$L 7k~Lttuk 添加一个编号列:
]F+K|X9- DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
1`QsW&9=b DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
lQL:3U0DjU tr=@+WHp for(int i=0;i<dt.Rows.Count;i++)
gz4UV/qr/ {
a_{6Qdl dt.Rows["number"]=(i+1).ToString();
1eD.:_t4 }
:<%vE !$ Pr/]0<s DataGrid1.DataSource=dt;
'evv,Q{87 DataGrid1.DataBind();
]"h=Qc HY*\ k# DataGrid1中添加一个CheckBox,页面中添加一个全选框
V7@
{D private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
bE4HDq34 {
AerFgQiS foreach(DataGridItem thisitem in DataGrid1.Items)
0D~=SekQ9 {
8(Fu ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
$H;+}VQ }
^/a*.cu }
m|1n
x ?ZX!7^7 将当前页面中DataGrid1显示的数据全部删除
VDpxk$a foreach(DataGridItem thisitem in DataGrid1.Items)
DEtf(lW_ {
{cR3.%wX if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
N,|r1u 9X# {
_Ex|f5+ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
J*K<FFp3< Del (strloginid); //删除函数
wDw<KU1UK }
R&Ci/ }
.[(P T VeJ6 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)
q% EC u*2JUI* 在Application_Start中添加以下代码:
]|
WA#8_| Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
ve-8*Xa AppSettings["ConnStr"].ToString();
3I*uV!notJ h'!V8'}O? 31. 变量.ToString()
t7^D-l KTv4< c] 字符型转换 转为字符串
s#P:6]Ar 12345.ToString("n"); //生成 12,345.00
JJ-i_5\q 12345.ToString("C"); //生成 ¥12,345.00
U|?,N0%Z1 12345.ToString("e"); //生成 1.234500e+004
kFwxK"n@C 12345.ToString("f4"); //生成 12345.0000
9|3o< 12345.ToString("x"); //生成 3039 (16进制)
Z
Xb}R^O- 12345.ToString("p"); //生成 1,234,500.00%
Y|RdzCM |X 3">U +- 32、变量.Substring(参数1,参数2);
41}/w3Z4 DxfMqH[vs 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);
ls @5^g Ay%:@j(E 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)
wv^b_DR <SCRIPT language="javascript">
(Oq Hfv <!--
4swKjN
& function gook(pws)
WjOH/$( {
choL%g} frm.submit();
nq@5j0fK }
5#!ogKQ(i //-->
2GUupnQkD u`6/I#q` </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
L|J~9FM <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
EneAX&SG <tr>
q,@+^aZ <td>
@\PpA9ebg% <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
qpTm <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
`
FxtLG,F <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
MS{{R+& 4+Ti7p06&\ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
blp=Hk <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
BKZ v9 ,R~eY?{a </td>
Azn:_4O -|[~sj-p </tr>
?Pnx~m{%* QnU0"_- </form>
QS;F+cmTh :~33U)?{T 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。
f`J|>Vk g}r^Xzd; 下面是获取用户输入的登陆信息的代码:
Snx<