1. 打开新的窗口并传送参数:
!74S hj.a&% 传送参数:
F6{bjv2A response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
/Id%_,}Kb [.uG5%fa 接收参数:
v63"^%LX string a = Request.QueryString("id");
?I~()]k5 string b = Request.QueryString("id1");
cLsV`@J(k m1Mt#@,$ 2.为按钮添加对话框
1R1z Button1.Attributes.Add("onclick","return confirm(’确认?’)");
u*ObwcI/Bn button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
u /\EtSH PC-"gi=h 3.删除表格选定记录
+2&@x=xy int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
a+Kj1ix string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
`yH<E+ tAv@R&W, 4.删除表格记录警告
e(GP^oK private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
mSb#Nn6W {
Ke2ccN switch(e.Item.ItemType)
\Yc'~2n {
0,89H4 case ListItemType.Item :
f>UXD case ListItemType.AlternatingItem :
E(8*
pI case ListItemType.EditItem:
m;GbLncA TableCell myTableCell;
pw)||Q myTableCell = e.Item.Cells[14];
a@UZb LinkButton myDeleteButton ;
+
|#O@k myDeleteButton = (LinkButton)myTableCell.Controls[0];
*&^:T~|=! myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
w.YiO5|y break;
|m^k_d!d default:
G2Qlt@.T break;
~5CBEIF(NS }
uYs5f.! ` 8L:ji," }
1]@}|
noml8o 5.点击表格行链接另一页
\1fN0e private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
hM6PP7XH {
@W[f1 //点击表格打开
rPLm5ni if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
rLI8pA|. e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
opy("qH }
Y6zbo I J( 双击表格连接到另一页
<~n"m @oV9) 在itemDataBind事件中
%&w3;d;c if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sP;nGQ.eN {
0;AA/ string OrderItemID =e.item.cells[1].Text;
?&63#B,iZ ...
0 Tx{3# e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
CzRc%%BA }
XF;ES3 d Of[XKFn_ 双击表格打开新一页
d9;g]uj` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_lGdUt 2 {
o:3dfO%nuM string OrderItemID =e.item.cells[1].Text;
iB%gPoDCL@ ...
LE9(fe) fe e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
w&o&jAb-M }
Vr^n1sgE}r 4{rZppm ★特别注意:【?id=】 处不能为 【?id =】
S||}nJ0 6.表格超连接列传递参数
3L_\`Ia9 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
GzI yP(U <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
{MCi<7j<? #xQr<p$L6 7.表格点击改变颜色
iS
WU'K if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
5qZ1FE {
b\$}>O e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Rv$[)`&T this.style.color=’buttontext’;this.style.cursor=’default’;");
X[PZg{ }
2[RoxKm =u2l.CX 写在DataGrid的_ItemDataBound里
]yx$(6_U if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
jv%kOovj {
19Mu61 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
ER5gmmVP@p this.style.color=’buttontext’;this.style.cursor=’default’;");
QLEKsX7p> e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
ktFhc3);! }
:U3kW8;UMP qln3 k` p?);eJtV/ 8.关于日期格式
%_RQx2 D#il* 日期格式设定
C)@y5. G; DataFormatString="{0:yyyy-MM-dd}"
a!<8\vzg si`A:14R 我觉得应该在itembound事件中
,9}h e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
ES.fOdx ZniB]k1 9.获取错误信息并到指定页面
h]5C|M| JORGj0v 不要使用Response.Redirect,而应该使用Server.Transfer
7=TF.TW)
v/68*,z[ e.g
H%UL%l$ // in global.asax
zr+zhpp protected void Application_Error(Object sender, EventArgs e) {
LcB]Xdsa( if (Server.GetLastError() is HttpUnhandledException)
^S UPi Server.Transfer("MyErrorPage.aspx");
b&~4t/Vq '_w=k4 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
b[t> te }
r@+ri1c #fM#p+v 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
`e}bdj E:JJ3X| 10.清空Cookie
%C~1^9uq Cookie.Expires=[DateTime];
yp KUkH/ Response.Cookies("UserName").Expires = 0
hb zC#@q wKZ$iGMbz 11.自定义异常处理
\ 3wfwu.q //自定义异常处理类
7\$qFF-y using System;
EQb7-vhg using System.Diagnostics;
3DiLk=\~ wQP^WzNE namespace MyAppException
e vrXo"3 {
u frW\X /// <summary>
i'H/ZwU /// 从系统异常类ApplicationException继承的应用程序异常处理类。
~]pE'\D7Ad /// 自动将异常内容记录到Windows NT/2000的应用程序日志
)uj Ex7&c /// </summary>
7
%Oa;]| public class AppException:System.ApplicationException
<>s`\ % {
~$:|VHl public AppException()
&x[E;P*Fg {
}!"A! ~& if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
lef2 X1w}! }
(l-tvk4Ln KIui(n#/ public AppException(string message)
=XucOli6 {
ej4W{IN~: LogEvent(message);
{QHVo# }
5p<ItU$pnL qq) rd public AppException(string message,Exception innerException)
I/d&G#:~ {
x }\64 LogEvent(message);
k7?N ?7w if (innerException != null)
}.3nthgz {
^?cz,N~ LogEvent(innerException.Message);
lE;Ewg }
k9 "[H' }
uD1e!oU cik!GA //日志记录类
"!Uqcay- using System;
!c}O5TI|# using System.Configuration;
Hyb3 ;yQ using System.Diagnostics;
iVp,e using System.IO;
K/tRe/t} using System.Text;
6-yd](" using System.Threading;
OMWbZ>jB U1DXeh~V namespace MyEventLog
T]t+E'sQ {
??PC
k1X /// <summary>
]ndvt[4L /// 事件日志记录类,提供事件日志记录支持
9xO#tu] /// <remarks>
&Sl[lXE /// 定义了4个日志记录方法 (error, warning, info, trace)
y4t7`-,~ /// </remarks>
|X0Y- /// </summary>
Q<h-FW8z public class ApplicationLog
yaah*1ip[ {
9K5pwC\$% /// <summary>
Rv#]I#O /// 将错误信息记录到Win2000/NT事件日志中
E~%jX
}/ /// <param name="message">需要记录的文本信息</param>
/2UH=Q!x4E /// </summary>
:*ing public static void WriteError(String message)
0y
7"SiFY {
-BRc8 / WriteLog(TraceLevel.Error, message);
xIxn"^' }
sm0x LZ 5b!vgm#]) /// <summary>
-~v|Rt /// 将警告信息记录到Win2000/NT事件日志中
uJFdbBDSh /// <param name="message">需要记录的文本信息</param>
fBRo_CU8! /// </summary>
yRSTk2N@ public static void WriteWarning(String message)
biSz?DJ> {
D2](da:]8) WriteLog(TraceLevel.Warning, message);
N}pw74=1 }
g#F?!i-[F 2"Ecd /// <summary>
@6{~05.p
/// 将提示信息记录到Win2000/NT事件日志中
b%<9Sn
/// <param name="message">需要记录的文本信息</param>
D B-l$rj /// </summary>
.q%WuQw public static void WriteInfo(String message)
B8B; y^b>i {
b4E:Wn9x WriteLog(TraceLevel.Info, message);
Y' %^NP}o }
G?EoPh^m /// <summary>
iz8Bf; /// 将跟踪信息记录到Win2000/NT事件日志中
~i~7na| /// <param name="message">需要记录的文本信息</param>
:uWw8` /// </summary>
v}1QH public static void WriteTrace(String message)
]8Q4BW {
P%{^ i] WriteLog(TraceLevel.Verbose, message);
1QLbf*zeIW }
r<K(jG[:{f GliwY_ /// <summary>
k.uMp<)D /// 格式化记录到事件日志的文本信息格式
BFL`!^ /// <param name="ex">需要格式化的异常对象</param>
uT}' Y)m /// <param name="catchInfo">异常信息标题字符串.</param>
5]n[]FW /// <retvalue>
S`#w+C#EW /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
-j73Wz /// </retvalue>
in~D /// </summary>
'+osf'& public static String FormatException(Exception ex, String catchInfo)
)3~{L;q {
7w'wjX- StringBuilder strBuilder = new StringBuilder();
ep2k%?CX 1 if (catchInfo != String.Empty)
a^`rtvT {
3):A strBuilder.Append(catchInfo).Append("\r\n");
N F+iza;DP }
Z&|Kki* strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
n^z]q;IN2. return strBuilder.ToString();
:?/cPg'D }
8-BflejX gW-V=LV ( /// <summary>
ft$RSb# /// 实际事件日志写入方法
a"FCZ.O1 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
t^6dzrF /// <param name="messageText">要记录的文本.</param>
=&,]Z6{> /// </summary>
+pR[U4$ private static void WriteLog(TraceLevel level, String messageText)
i%/Jp[e\W> {
LG<J;&41~S try
P8>~c9$I {
^c&L,!_)H EventLogEntryType LogEntryType;
Wn(6,MDUN switch (level)
VH+%a<v" {
bsB*533 case TraceLevel.Error:
$u9K+>. LogEntryType = EventLogEntryType.Error;
,wIONDnLZ break;
)xbHCoU, case TraceLevel.Warning:
MrDc$p W G LogEntryType = EventLogEntryType.Warning;
%kdEun break;
73xAG1D$r case TraceLevel.Info:
G*-b}f LogEntryType = EventLogEntryType.Information;
So0f)`A break;
kdl:Wt*4o case TraceLevel.Verbose:
SzjkI+-$: LogEntryType = EventLogEntryType.SuccessAudit;
s (zL break;
gREzZ+([ default:
+xrr?g LogEntryType = EventLogEntryType.SuccessAudit;
f ` R/
i break;
Jh
]i]7r }
)rekY; D|Q#gcWp o EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
,6om\9.E@ //写入事件日志
3wC' r eventLog.WriteEntry(messageText, LogEntryType);
@}@Z8$G^ O*0l+mop }
YhDtUt}? catch {} //忽略任何异常
G&4&-< }
sOU1n } //class ApplicationLog
!"\80LP }
P/Q!<I K#pNec 12.Panel 横向滚动,纵向自动扩展
\=6l9Lrj>h <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
|NpP2|4h Zg'Q>.: 13.回车转换成Tab
yt.F\ [1 <script language="javascript" for="document" event="onkeydown">
y~F,0"N\r if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
*XT/KxLa7 event.keyCode=9;
FQqI<6; </script>
Y*H|?uNF go'-5in( onkeydown="if(event.keyCode==13) event.keyCode=9"
Mdl{}P0) RLLTw ?]$ 14.DataGrid超级连接列
cNM3I,o7 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
T[j#M+p X{\F;Cb* 15.DataGrid行随鼠标变色
`NgAT
3zq private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
nv@8tdrc {
Q$="_y2cTA if (e.Item.ItemType!=ListItemType.Header)
hM{{\yZS {
yF"1#{*y e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
=y0C1LD+ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
B2C$N0R# }
JV]^zW }
J2'Nd' WJ4li@T7V 16.模板列
`/EGyN6X <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
w+1|9Y <ITEMTEMPLATE>
A^)?Wt%* <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
0V'nK V"| </ITEMTEMPLATE>
Mf&{7% </ASP:TEMPLATECOLUMN>
Fsif6k=4 rvXWcu -" <ASP:TEMPLATECOLUMN headertext="选中">
!V
i@1E <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
SjwyLc <ITEMTEMPLATE>
X@K-^8 <ASP:CHECKBOX id="chkExport" runat="server" />
P!+'1KR </ITEMTEMPLATE>
cm&I* 0\ <EDITITEMTEMPLATE>
`C$:Yf]%nG <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
bO'Sgc[] </EDITITEMTEMPLATE>
i`dCG[ </ASP:TEMPLATECOLUMN>
=8; {\ aC%m- m 后台代码
aVK3?y2 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
D"ND+*Q[X {
\E%'Y //改变列的选定,实现全选或全不选。
E
,|xJjh CheckBox chkExport ;
qoj$]
if( CheckAll.Checked)
S"OR% {
rdJ d#S foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
1n:8s'\ {
?<(m
5Al7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[^U#Qj)hL chkExport.Checked = true;
lzYnw)Pv }
6P5Ih
}
?34 e- else
iVy7elT;R {
V`bi&1?6\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
&!/}Qp {
^(|vsFzn chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
`"&da#N] chkExport.Checked = false;
h $L/<3oP6 }
;uwRyd }
]cGA~d }
|aT| l^2R@ UG'9*(* 17.数字格式化
XVvK2( k;w- E 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
.)<(Oj|4 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
rz@=pR : $+>M{fg? int i=123456;
WC.t_"@ string s=i.ToString("###,###.00");
kX>f^U{j Y0_),OaY 18.日期格式化
,0hA'cp <-,gAk)u 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
N(y\dL=v q^r#F#*1l 显示为: 2004-8-11 19:44:28
89wU-Aggq ~Uxsn@nLr 我只想要:2004-8-11 】
.h>8@5/s <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
U` Wauv&
jz5qQt]^ 应该如何改?
sIK;x]Q) TJ1+g
\ 【格式化日期】
/Rg*~Ers
* )w0AC"2O~ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
p TeOW9 "87ghj_} 【日期的验证表达式】
K00
87}H s;64N'HH A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
/C4^<k\ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
<K8\n^i~c wyQzM6:,yX B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
OujCb^Rm ^\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]))$
'rr^2d]`ST 4*'pl.rb> 【大小写转换】
IaT$6\> HttpUtility.HtmlEncode(string);
sfOHarww HttpUtility.HtmlDecode(string)
D;_ MPN[ 8'f4 Od ? 19.如何设定全局变量
IiZ&Pr -mRA# Global.asax中
,;(PwJe pGK;1gVj Application_Start()事件中
N9vP7 .] sf0S! 添加Application[属性名] = xxx;
rwG CUo6Z 86\S?=J-b 就是你的全局变量
U)o$WH.b U
)l,'y2 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
e{v=MxO=S Fm #w2o HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
JM\m)RH0 ^1L>l9F 【ASPNETMENU】点击菜单项弹出新窗口
])Qs {hs~s |"9 #bU 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
i}o[- S4 <?xml version="1.0" encoding="GB2312"?>
! ykx^z <MenuData ImagesBaseURL="images/">
9$|Gfyv <MenuGroup>
]- 4QNc= <MenuItem Label="内参信息" URL="Infomation.aspx" >
NsJ(`zk: <MenuGroup ID="BBC">
a(v>Q*zNP <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
!}r%
u." <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
NN1$'"@NL ......
6+KHQFb&N X_g 3rv1J 最好将你的aspnetmenu升级到1.2版
I=.z+#Y 8G5m{XTS( 21.读取DataGrid控件TextBox值
hDp6YV,q foreach(DataGrid dgi in yourDataGrid.Items)
^4`Px/& {
=@8H"&y` TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
hQDTS>U tb.Text....
r?*NhLG; }
(>I`{9x>6 l+g9 5mjP 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?
pTyi!:g3W 3Bx:Ntx< 〖思归〗
!ZI7&r`u; <asp:TemplateColumn HeaderText="数量">
;x8k[p~2 <ItemTemplate>
T7d9ChU\#. <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
&2=dNREJ}1 onkeyup="javascript:DoCal()"
K.z64/H: />
K%Rj8J7|u? SY^dWLf <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
rJ!{/3e </ItemTemplate>
3RR_fmMT) </asp:TemplateColumn>
1[t=XDz/e U=o"32n+ <asp:TemplateColumn HeaderText="单价">
^=^z1M2P <ItemTemplate>
v!FMs< <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
-~QHqU. onkeyup="javascript:DoCal()"
Gsc\/4Wx />
Z+StB15 3:f[gV9K <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Xj5~%DZp XFh>U7z. </ItemTemplate>
DmBS0NyR7Y </asp:TemplateColumn>
B-T/V-c7 _"#!e{N| <asp:TemplateColumn HeaderText="金额">
n]u<!.X <ItemTemplate>
\#>T~.Y7K <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
/g$G_} </ItemTemplate>
-#Z
bR </asp:TemplateColumn><script language="javascript">
WzI8_uM function DoCal()
W{rt8^1 {
W5' 3$,X9 var e = event.srcElement;
.]9c / var row = e.parentNode.parentNode;
T1r3=Y4 var txts = row.all.tags("INPUT");
jh.@- if (!txts.length || txts.length < 3)
`r_m+] return;
4ON_$FUe ~(@ E`s&{ var q = txts[txts.length-3].value;
q9^ var p = txts[txts.length-2].value;
X2xuwA R3!@?mcr if (isNaN(q) || isNaN(p))
Cua%1]"4w return;
e[Jem5C E3*\
^Q_ q = parseInt(q);
,~);EC=` p = parseFloat(p);
XJ0oS32_wK CY&
hIh~S@ txts[txts.length-1].value = (q * p).toFixed(2);
j}AFE }
'vbc#_; </script>
Dr~=o% )Y8",Ig ZJjTzEV%^B hHPs&EA.p q,3;m[cA 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。
wCHR7X0*b page_load
033T>qY page.smartNavigation=true
N<L`c/ 2PR^:h2 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 ?
7HHysNB"w private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
0ilCS[`b {
fof2
xcH! for(int i=0;i<e.Item.Cells.Count-1;i++)
Ol')7d& if(e.Item.ItemType==ListItemType.EditType)
o1/lZm{\~n {
'/I:^9 e.Item.Cells.Attributes.Add("Width", "80px")
n6(.{M; }
^o !O)D-q }
A~dQ\M L}yyaM) 26.对话框
gBf4's private static string ScriptBegin = "<script language=\"JavaScript\">";
$) 5Bf3P0 private static string ScriptEnd = "</script>";
IjfxR mV $j5,%\4< public static void ConfirmMessageBox(string PageTarget,string Content)
"aF8l<1xn {
cM_Fp string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
S',9g4(5 e62Dx#IY ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
k5&bq2)I \Yoa:|%*y Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
$^tv45 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
vwr74A.g0 //Response.Write(strScript);
{@u<3 s }
XIWm>IQ[) (#oycj^< 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
;_:Oo l, a0*2) uL} 1.1 取当前年月日时分秒
8:.nEo' currentTime=System.DateTime.Now;
e2C<PGUUB Ft@Wyo`^ 1.2 取当前年
#2tCV't int 年= DateTime.Now.Year;
ZE`lr+_Y ==cd>03() 1.3 取当前月
60Z]M+8y8 int 月= DateTime.Now.Month;
?Mp1~{8 <g9"Cr` 1.4 取当前日
to6;?uC+|i int 日= DateTime.Now.Day;
z\/53Sy< 6TH!vuQ1( 1.5 取当前时
.]|Zf!>}s int 时= DateTime.Now.Hour;
QI_59f> C#w]4 $/ 1.6 取当前分
ofW+_DKB?l int 分= DateTime.Now.Minute;
&)pK%SAM h~7,`fo 1.7 取当前秒
0"g@!gSrQ int 秒= DateTime.Now.Second;
YGsS4ia*4i m/`IGT5J 1.8 取当前毫秒
fRm}S>Nibb int 毫秒= DateTime.Now.Millisecond;
5v^L9!`@%v qXXGF_Q 28.自定义分页代码:
zEw>SP1, 2>\\@1 先定义变量 :
{5%/ T, public static int pageCount; //总页面数
+^6}
public static int curPageIndex=1; //当前页面
n$2 RCQ CT d|` 下一页:
jLcHY-P0V if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Vdn.)ir~P {
9zgNjjCl] DataGrid1.CurrentPageIndex += 1;
%So]3;' curPageIndex+=1;
P=H+ # }
o7+>G~i L<(VG{)Z bind(); // DataGrid1数据绑定函数
JLb6C52 l
oqvi 上一页:
PG,U6c # if(DataGrid1.CurrentPageIndex >0)
D{'#er {
&HM-g7|C0E DataGrid1.CurrentPageIndex += 1;
4%*hGh= curPageIndex-=1;
/!Z^Y }
sygH1|f TD04/ ISHT bind(); // DataGrid1数据绑定函数
@<_`2eW'/R THhy ~wC". 直接页面跳转:
v6e%#= int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
NE"jh_m- AH.9A_dG if(a<DataGrid1.PageCount)
/f1'm@8; {
*rqm8z50a this.DataGrid1.CurrentPageIndex=a;
R#4^s }
FoPginZ]J J?P]EQU bind();
j.3o W ,2 WH/" 29.DataGrid使用:
m%QqmTH #1$}S=8*f 添加删除确认:
r9ke,7? private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
iilyw_$H {
;Mj002.\G foreach(DataGridItem di in this.DataGrid1.Items)
wVi%oSfM {
:G'xi2bs if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
DM3B]Yl {
U q X1E ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
t ,qul4y} }
ui'F'"tPz }
>uHS[ _`nM }
F,G,b '=} Y2?( 样式交替:
Ohl} X 1 ListItemType itemType = e.Item.ItemType;
/~}_h O$S lVeH+"M? if (itemType == ListItemType.Item )
~SVQ;U)- {
/aUFc '5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Z|^MGyn e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
CKTrZxR" }
%OI4a5V*l else if( itemType == ListItemType.AlternatingItem)
BV9 *s {
qtSs)n e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
9y"TDo e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
MWq$AK] }
Vdvx"s[`m w)S; J,Hv 添加一个编号列:
/BzA(Ic/ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
I$N7pobh DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
k]I*:'178 sT<{SmBF for(int i=0;i<dt.Rows.Count;i++)
E_[ONm=, {
R @r{ dt.Rows["number"]=(i+1).ToString();
g'G8 3F }
3kLOoL? #t5juX9Ho9 DataGrid1.DataSource=dt;
@;9()ad DataGrid1.DataBind();
xbC~C~# Zd>ZY,-5 DataGrid1中添加一个CheckBox,页面中添加一个全选框
!cCg/ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
^`&HWp {
|t\KsW foreach(DataGridItem thisitem in DataGrid1.Items)
ci7~KewJ* {
U5rxt^ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
0]a1 5 }
u~71l)LA }
'P/taEi=R [&n|\! 将当前页面中DataGrid1显示的数据全部删除
;4d.)-<No_ foreach(DataGridItem thisitem in DataGrid1.Items)
*IlQ5+3I {
yv${M u if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
0^>E`/ {
Am7| / string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
hCLk#_ Del (strloginid); //删除函数
TczXHT}G }
GUCM4jVT^ }
%)IrXz>Zh mcMb*?] 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
Z90Fcp:R Xr2J:1pgg 在Application_Start中添加以下代码:
4GTrI@}3 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
,#%SK;1< AppSettings["ConnStr"].ToString();
#5d8?n 5}SXYA} 31. 变量.ToString()
^@ UjQ9[> <t6d)mJ% 字符型转换 转为字符串
m9g^ -X 12345.ToString("n"); //生成 12,345.00
7Jc<.Z"/Gd 12345.ToString("C"); //生成 ¥12,345.00
W}k[slqZA 12345.ToString("e"); //生成 1.234500e+004
,%= '>A 12345.ToString("f4"); //生成 12345.0000
Ij$)RSPtH 12345.ToString("x"); //生成 3039 (16进制)
,$i<@2/=m 12345.ToString("p"); //生成 1,234,500.00%
Qrz*Lvle h X0x_+b?
_ 32、变量.Substring(参数1,参数2);
I:/4t^% -CElk[u 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
;7
"Y?*{ oF&IC
j0 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Z`"n:'& <SCRIPT language="javascript">
Rc%PZ}es <!--
Z>HNe9pr function gook(pws)
lDU#7\5. {
</hR!Sb] frm.submit();
O &\<F T5 }
jQIV2TY[ //-->
[5pn@o 4`G=q^GL, </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
/^QFqM; <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
iXnx1w <tr>
F$C+R&V_ <td>
/~"AG l. <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
'7=<#Blc <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
U:Fpj~E_w <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
c8tP+O9 p(7c33SyF <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
"D!Dr1 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
lzI/\% "
xxXZGUp </td>
k^yy$^=< tpz=}q </tr>
^X(_zinN" C0f[eA </form>
TQ2i{e $WM8tF?H 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
`bi
k/o=% 0Sz/c+ 6 下面是获取用户输入的登陆信息的代码:
:!hk~#yvJ9 string name;
DMRs}Yz6 name=Request.QueryString["EmailName"];
vy:6_ u4xA'X'~R try
;9Hz{ej {
^zkd{ov int a=name.IndexOf("@",0,name.Length);
`O jvt-5}E f_user.Value=name.Substring(0,a);
I@c0N*( f_domain.Value=name.Substring(a+1,name.Length-(a+1));
X[Y#+z4 f_pass.Value=Request.QueryString["Psw"];
`ITDTZ
J }
34]%d<;A ~JT lPU' catch
H|'$dO)W {
i|[S5QXCh Script.Alert("错误的邮箱!");
rcpvH}N: Server.Transfer("index.aspx");
/.f! }