1. 打开新的窗口并传送参数:
}Q=Zqlvz ZJpI]^9| 传送参数:
O92Y d$S response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
L~$RF {$ xpxm9ySwu 接收参数:
3pp
w_?k string a = Request.QueryString("id");
; M(}fV] string b = Request.QueryString("id1");
[Ok8l=' >H1d9y+Z 2.为按钮添加对话框
s`B'vyoaa Button1.Attributes.Add("onclick","return confirm(’确认?’)");
kMo)4Xp button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
_e3'f:
$!f$R`R^Q\ 3.删除表格选定记录
h$&XQq0T int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
}rE|\p> string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
GEA;9TU|V M($},xAvDU 4.删除表格记录警告
>
95Cs`>d private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
(`NRF6'&1L {
[jw o D switch(e.Item.ItemType)
;Ki1nq5c#s {
w}0Qy case ListItemType.Item :
q{hq. KZ case ListItemType.AlternatingItem :
$T4PC5. case ListItemType.EditItem:
.+|DN"PgJ TableCell myTableCell;
hLvv:C@ myTableCell = e.Item.Cells[14];
Vk (bU=w LinkButton myDeleteButton ;
agYKaM1N myDeleteButton = (LinkButton)myTableCell.Controls[0];
K9 q~Vf myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
:tqjm: break;
l 3K8{HY default:
nf4P2<L! break;
IMZKlU3 }
'dzp@-\ 07|NPS }
B<LavX>F %&XX*&
q 5.点击表格行链接另一页
kTz private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
oc(bcU {
rd))H //点击表格打开
WGmCQE[/c if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
eFQi
K6`i e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
4Le5Ms/ }
Z|c9%., Lvq]SzOw 双击表格连接到另一页
FQFENq''B ej;taKzj 在itemDataBind事件中
pJz8e&wyLM if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{yHfE, {
L\ %_<2 string OrderItemID =e.item.cells[1].Text;
xgz87d/<: ...
|^Es6 .~ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
2M?lgh4" }
{nefS\#{ .6NSt 双击表格打开新一页
hYn'uL^~[ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
6bNW1]rD {
fn OkH string OrderItemID =e.item.cells[1].Text;
d_uy;-3 ...
*u/|NU&X e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
wIF
":' }
!5j3gr~ >~rd5xlk ★特别注意:【?id=】 处不能为 【?id =】
1Q SIZoK7 6.表格超连接列传递参数
yU"G|Ex <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Ij1]GZ`A( <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
G)hH?_U#T "yTh + = 7.表格点击改变颜色
a*j <TR if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
j9}0jC2Tb {
NE3wui1 V e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
p*,P%tX this.style.color=’buttontext’;this.style.cursor=’default’;");
$>=Nb~t!/ }
0 '7s wW8
6rB 写在DataGrid的_ItemDataBound里
rfRo*u2" if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
N[bN"'U/1 {
eC?/l*gF3 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
rR@n>
Xx this.style.color=’buttontext’;this.style.cursor=’default’;");
J&:W4\ m e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
$
bNe0
}
Hi_Al,j: RYl3txw _[i=TqVmf 8.关于日期格式
!rg0U<bO! @>2rz 日期格式设定
_c8.muQ< DataFormatString="{0:yyyy-MM-dd}"
82za4u$q# 3:joSQa 我觉得应该在itembound事件中
M/a/H=J e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
C;q}3c*L _(`X .D 9.获取错误信息并到指定页面
mN{ajf)@ B"m:<@ " 不要使用Response.Redirect,而应该使用Server.Transfer
`B\KS*Gya# 9]@J*A}=l e.g
o:8S$F`O@ // in global.asax
>zg8xA1zL protected void Application_Error(Object sender, EventArgs e) {
d Zz^9:C+ if (Server.GetLastError() is HttpUnhandledException)
J(0 =~Z[ Server.Transfer("MyErrorPage.aspx");
~,!hE&LE~ HwW[M[qA //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
d]ZC8<`w }
U.Chf9a- M.:@<S 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/cW<uV' $^=jPk]+ 10.清空Cookie
:+
9Ft> Cookie.Expires=[DateTime];
J)8pqa Response.Cookies("UserName").Expires = 0
{<}I9D5 N(-%"#M$ 11.自定义异常处理
[wio/wc //自定义异常处理类
nUud?F^_ using System;
rfXF 01I using System.Diagnostics;
\e:FmG O3C)N
I\i
namespace MyAppException
udEb/7ZL {
nhP~jJn /// <summary>
2gL[\/s /// 从系统异常类ApplicationException继承的应用程序异常处理类。
/ik)4]> /// 自动将异常内容记录到Windows NT/2000的应用程序日志
jO&f*rxN /// </summary>
E8iadf49 public class AppException:System.ApplicationException
%<=vbL9 {
9(^X2L&Z public AppException()
iTugvb {
*M5$ h*;v if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
W}R= }
+wz`_i)! [Yx-l;78 public AppException(string message)
/R(U>pZ {
8g#
Y LogEvent(message);
v[,v{5b }
@8M'<tr<z |P. = public AppException(string message,Exception innerException)
n$hqNsM {
HV*:<2P%D LogEvent(message);
vN0L(B if (innerException != null)
a(x.{}uG, {
}uvKE|umj LogEvent(innerException.Message);
U|
41u4)D }
0K$WSGB?6j }
UYcyk
$da dWW-tHv# //日志记录类
PK-}Ldj
using System;
)-Mn"1ia using System.Configuration;
G {pP} using System.Diagnostics;
UPVO~hB; using System.IO;
,WO%L~db using System.Text;
t7*G91Hoq& using System.Threading;
mq{$9@3 )WP]{ W)r namespace MyEventLog
>uyeI&z {
c69U1 /// <summary>
s=q%:uCO /// 事件日志记录类,提供事件日志记录支持
sxN>+v11z /// <remarks>
c?p0#3%L# /// 定义了4个日志记录方法 (error, warning, info, trace)
h=v[i!U-eY /// </remarks>
[NCXn>Z /// </summary>
Imh2~rw; public class ApplicationLog
(:&&;]sI {
K'iS#i7 /// <summary>
bG5^h /// 将错误信息记录到Win2000/NT事件日志中
T.R>xd`9
" /// <param name="message">需要记录的文本信息</param>
taWirqd9 /// </summary>
8"?Vcw& public static void WriteError(String message)
SgCqxFii {
q(ZB. WriteLog(TraceLevel.Error, message);
RR~sEUCo{ }
w
L/p.@ k Z+ q /// <summary>
`r~`N`o5A /// 将警告信息记录到Win2000/NT事件日志中
,yHzo /// <param name="message">需要记录的文本信息</param>
:>tF_6 /// </summary>
1kvPiV=X> public static void WriteWarning(String message)
5bF9IH {
4hsPbUx9 WriteLog(TraceLevel.Warning, message);
AQnJxIL: }
Pg*?[^* "%.|n| /// <summary>
a!c/5)v( /// 将提示信息记录到Win2000/NT事件日志中
IKMsY5i /// <param name="message">需要记录的文本信息</param>
zx\.2<K /// </summary>
#[k~RYS3 public static void WriteInfo(String message)
vI
pO/m.3 {
XJ
f+Eh WriteLog(TraceLevel.Info, message);
wE,=%?" }
VL_)]LR*) /// <summary>
x"(7t3xK /// 将跟踪信息记录到Win2000/NT事件日志中
D_l/Gxdpr /// <param name="message">需要记录的文本信息</param>
}"%!(rx /// </summary>
%mK3N2N$ public static void WriteTrace(String message)
%gV)arwK {
V9 +xL 1U# WriteLog(TraceLevel.Verbose, message);
tl{]gz }
"J]f0m= Ek"YM[ /// <summary>
X;s3y{ku /// 格式化记录到事件日志的文本信息格式
>Jm-2W5J /// <param name="ex">需要格式化的异常对象</param>
[ E$$nNs /// <param name="catchInfo">异常信息标题字符串.</param>
$\0cJCQ3 /// <retvalue>
NDB*BmG /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
SBCL1aM /// </retvalue>
k1^V?O /// </summary>
L0X&03e=e: public static String FormatException(Exception ex, String catchInfo)
4'+d"Ok {
>QYh}Z-/% StringBuilder strBuilder = new StringBuilder();
p&k0Rx0Q3 if (catchInfo != String.Empty)
T$gkq>!j<E {
q6;OS.f strBuilder.Append(catchInfo).Append("\r\n");
YYTO,4 }
]}nu9z< strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
>[Xm|A# return strBuilder.ToString();
H/cs_i }
UlK/x"JDv /- DKV~ /// <summary>
}U2[? /// 实际事件日志写入方法
2B6^]pSk /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
fswZM\@ /// <param name="messageText">要记录的文本.</param>
K&j'c /// </summary>
h=X7,2/< private static void WriteLog(TraceLevel level, String messageText)
Zr\2BOcc.l {
X tJswxw`K try
V[#6yMU @ {
8lMZ EventLogEntryType LogEntryType;
QH& %mr.S switch (level)
9U!JK3d {
r`?&m3IOP case TraceLevel.Error:
fy9uLl}h LogEntryType = EventLogEntryType.Error;
3wV86tH% break;
;])I>BT[ case TraceLevel.Warning:
8r2XGR LogEntryType = EventLogEntryType.Warning;
g;$E1U=R-E break;
!?yxh/>lM case TraceLevel.Info:
)$MS
0[? LogEntryType = EventLogEntryType.Information;
wG_4$kyj break;
?(]a*~rx case TraceLevel.Verbose:
t$aVe"uM LogEntryType = EventLogEntryType.SuccessAudit;
D 5=C^`$2 break;
j6`6+W=S( default:
b21}49bHN LogEntryType = EventLogEntryType.SuccessAudit;
DKR<W.!*t break;
N0]z/}hd@ }
;9K[~ "_t4F4z EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
i"/ r)>"b //写入事件日志
ri,2clp eventLog.WriteEntry(messageText, LogEntryType);
wbBE@RU>! c qv.dC }
$,!hD\a catch {} //忽略任何异常
S<*' ;{5~ }
6s'[{Ov } //class ApplicationLog
Bhj:9%` }
9 _eS`,' ;D:=XA% 12.Panel 横向滚动,纵向自动扩展
d"Bo8`_ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
#sL/y /\~l1.6` 13.回车转换成Tab
q{/*n]K <script language="javascript" for="document" event="onkeydown">
bH_I7G&m if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
eVTO#R*'| event.keyCode=9;
/=bSt </script>
@ozm; iL+y(] onkeydown="if(event.keyCode==13) event.keyCode=9"
R3cg2H o94PI*. 14.DataGrid超级连接列
)4PB<[u DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Ln:lC(
' B+|IZoR 15.DataGrid行随鼠标变色
t~q?lT private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7$K}qsr< {
>cTjA): if (e.Item.ItemType!=ListItemType.Header)
ad9EG#mD# {
FbmsN)mv!% e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
nVNs][ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
R<>tDwsZGa }
c+H)ed> }
G<|:605 Q~8y4=|#CY 16.模板列
/Ad6+cY <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Zct!/u9 Q <ITEMTEMPLATE>
hw*1g m <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
IOX:yxj </ITEMTEMPLATE>
_Cj(fFL </ASP:TEMPLATECOLUMN>
\d:h$ LGAX"/LX <ASP:TEMPLATECOLUMN headertext="选中">
|J\,F.{' <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
f'i6QMk\& <ITEMTEMPLATE>
kwOeHdV^ <ASP:CHECKBOX id="chkExport" runat="server" />
;|;iCaD a+ </ITEMTEMPLATE>
}{A?PHV5 <EDITITEMTEMPLATE>
a/:]"`) <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
:1*zr </EDITITEMTEMPLATE>
C>NQ-w^ </ASP:TEMPLATECOLUMN>
/-><k,mL? t|<FA# 后台代码
l!/!?^8|f protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
%/Bvy*X& {
&/iFnYVhy //改变列的选定,实现全选或全不选。
22|"K**3J| CheckBox chkExport ;
Vli3>K& if( CheckAll.Checked)
Psp^@ {
@"w2R$o foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
:SK<2<8h {
uS&LG#a chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
IKo;9|2U chkExport.Checked = true;
_=?2 3 }
o _(0 }
qrpb[)Ll else
v iJJ
e'\2 {
$e*B:}x} foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
$HxS:3D%D {
CIEJql?` chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
~o i)Lf1 chkExport.Checked = false;
'u1=XX
h }
mbGcDG[HQ }
EavX8r }
Y+@g~TE qF'~F`6 17.数字格式化
u0g*O]Y ]Z/R!y?l"G 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
]x@~-I ) <%#Container.DataItem("price","{0:¥#,##0.00}")%>
%<AS?Ry MUB37
int i=123456;
!!*;4FK"q string s=i.ToString("###,###.00");
VXwPdMy*L @C=M
UT-! 18.日期格式化
3p&jLFphL S8,+6+_7 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
<JH0 & #2HygS 显示为: 2004-8-11 19:44:28
_9
Gy` NKd@Kp`, 我只想要:2004-8-11 】
oHi&Z$#!n <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
6lWO8j^BN B~PF <8h5 应该如何改?
[sKdIw_ At bqj? 【格式化日期】
[[s k ^*{xTB57 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
;:$Na= Ugdm" 【日期的验证表达式】
]&G5/]f *=|i" A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Bxa],inuZ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
8v]{ 5 RXWjFv~/ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
*!s4#|h ^\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]))$
Bgs~1E @8V v\MH;DW^Z 【大小写转换】
Rthu8NKn HttpUtility.HtmlEncode(string);
SpkVV/ HttpUtility.HtmlDecode(string)
-I_lCZ{Nbi /d{L]*v)] 19.如何设定全局变量
QOF;j#H^ q90S>c, Global.asax中
ToMX7xz6 4
^+hw; Application_Start()事件中
@`_j't, Txfb-f!mv\ 添加Application[属性名] = xxx;
f^%E]ki e:,.-Kvzp` 就是你的全局变量
YwF6/JA0^ U|Jo[4A 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
mm{U5 5AjK7[<L HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
j qdI=!H Qrt8O7&(' 【ASPNETMENU】点击菜单项弹出新窗口
5~44R@` H]!y |p 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
xLD6A5n,[ <?xml version="1.0" encoding="GB2312"?>
:>;psR <MenuData ImagesBaseURL="images/">
KqSa"76R <MenuGroup>
n5JB'F) <MenuItem Label="内参信息" URL="Infomation.aspx" >
52["+1g\ <MenuGroup ID="BBC">
XeB>V.<y <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
2s4=%l <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
GVfu_z? ......
U.)G#B \Zh)oUHd 最好将你的aspnetmenu升级到1.2版
EU@mrm? Qr<%rU^{. 21.读取DataGrid控件TextBox值
bMUIe\/v[ foreach(DataGrid dgi in yourDataGrid.Items)
dikWk {
2 Lamvf TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
#VOjnc/rW tb.Text....
X<m%EXvV }
-oZac Fm;)7.%
> 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?
#w*pWD^ >b["T+ 〖思归〗
`JE>GZY <asp:TemplateColumn HeaderText="数量">
PD}R7[".> <ItemTemplate>
&CL|q+- <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Ij#a onkeyup="javascript:DoCal()"
X]yERaJ,i />
0lRH
Yu w}Upa(dU <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Ke ?uE </ItemTemplate>
AIm$in`P </asp:TemplateColumn>
Lmwh`oOl L,
{rMLM% <asp:TemplateColumn HeaderText="单价">
?&"^\p <ItemTemplate>
=GQ^uVf1 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
&5.~XM; onkeyup="javascript:DoCal()"
xploFw~ />
GVEWd/:X( h6h1.lZ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
k,7+=.6 ^2r}_AX </ItemTemplate>
<s-@!8*( </asp:TemplateColumn>
g&4~nEp 8sIrG <asp:TemplateColumn HeaderText="金额">
be:phS4vz <ItemTemplate>
%EGr0R( <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
v1C.\fL </ItemTemplate>
C|f7L>qe </asp:TemplateColumn><script language="javascript">
$a\Uv0:xRx function DoCal()
F36ViN\b {
e(#IewKp var e = event.srcElement;
r%l%yCH var row = e.parentNode.parentNode;
>J}n@MZ var txts = row.all.tags("INPUT");
uXLZtfu{ if (!txts.length || txts.length < 3)
t;!]z-Y> return;
L)lQ&z? atf%7}2 var q = txts[txts.length-3].value;
Iv(Qa6( var p = txts[txts.length-2].value;
f9,EWuQNS D4q>R; if (isNaN(q) || isNaN(p))
"Py Wo return;
nnE_OK!}T mhk/>+hF q = parseInt(q);
k=7Gr;;l=p p = parseFloat(p);
um jhG6 3u*hTT txts[txts.length-1].value = (q * p).toFixed(2);
~pevU`}Uqc }
"XNu-_$N<a </script>
`4%;qLxngP YN@6}B#1 rer|k<k;]G poD\C;o" ]G0dS
Fh{j 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。
8PBU~mr page_load
xP/OsaxN page.smartNavigation=true
5r4gmy> )4ilCS& 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 ?
B:-U`CHHQ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
$(gGoL< {
-\kXH"% for(int i=0;i<e.Item.Cells.Count-1;i++)
tqf&N0*
if(e.Item.ItemType==ListItemType.EditType)
a*Ss -y {
't(}Rq@ e.Item.Cells.Attributes.Add("Width", "80px")
*KK[(o}^J- }
lc[XFc }
dTN$y\
py{eX`(MS 26.对话框
0e+W/Tq private static string ScriptBegin = "<script language=\"JavaScript\">";
e&QS#k private static string ScriptEnd = "</script>";
rH_Jh}Y MZ|\S/ public static void ConfirmMessageBox(string PageTarget,string Content)
U:]MgZWn {
ja[OcR-tX string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
yo'9x
s hq<5lE^ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
u7;`4P:o@ 74K)aA Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
w[(n> ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
m0A# 6=< //Response.Write(strScript);
6b?`:$Cw3) }
.^i<xY Lt1U+o[ot 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Q|Pbt(44 g nt45]@{ 1.1 取当前年月日时分秒
90~*dNk currentTime=System.DateTime.Now;
|q;Al
z{ <uZPqi|| 1.2 取当前年
&hayR_F9 int 年= DateTime.Now.Year;
,"Tjpdf 3bH~';< 1.3 取当前月
!!FR[NK int 月= DateTime.Now.Month;
{h#6z>p"u2 F>N+<Z 1.4 取当前日
$uCiXDKCq int 日= DateTime.Now.Day;
rvic%bsk lop uf/U0 1.5 取当前时
W;q+, Io int 时= DateTime.Now.Hour;
gN?0m4[$i +Hj/0pp 1.6 取当前分
zPVd(V~(T int 分= DateTime.Now.Minute;
0Uw
^FcW 66Gx.tE 1.7 取当前秒
SK+@HnKd int 秒= DateTime.Now.Second;
vX+.e1m QH~Jy*\+PX 1.8 取当前毫秒
Vclr2]eV4O int 毫秒= DateTime.Now.Millisecond;
'T7 x@a`b) ]#zZWg
zv 28.自定义分页代码:
Vl<9=f7[ Jx$iwu 先定义变量 :
B'}"AC" public static int pageCount; //总页面数
0|XKd24BN public static int curPageIndex=1; //当前页面
h*Je35
>)Gd:636+ 下一页:
\"x>JW4w if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
-[DWM2C$K4 {
S`iR9{+& DataGrid1.CurrentPageIndex += 1;
KE.Dt curPageIndex+=1;
/r^[a,Q#x }
/v#)f-N%zs q8xd*--# bind(); // DataGrid1数据绑定函数
GK?4@<fY y+U83a[L* 上一页:
8>N wCjN if(DataGrid1.CurrentPageIndex >0)
{.CMD9F[ {
+=eR%|!@ DataGrid1.CurrentPageIndex += 1;
C\Vg{&' curPageIndex-=1;
oNM?y:O }
cin2>3Z$ *1^$.Q& bind(); // DataGrid1数据绑定函数
&yIGr`;
!tNd\}@ 直接页面跳转:
i sW\MB] int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
<7)Fh*W@ NfzF.{nh if(a<DataGrid1.PageCount)
{]kaJ{U> {
gR Nv-^ this.DataGrid1.CurrentPageIndex=a;
A\$
>>Z }
0$HmY2
Men riCV&0"n bind();
OH6^GPF6 5`-UMz<] 29.DataGrid使用:
}Hcx=}j Tu m_aI 添加删除确认:
#sB,1" private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
SO{p ;g {
PmX2[7 foreach(DataGridItem di in this.DataGrid1.Items)
1||+6bRP {
CN& if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
_yH`t[ {
06mlj6hV ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
r&3pM2Da} }
~DF:lqwWP }
},@^0UH4c }
aM=D84@ M+P$/Wk 样式交替:
OJO!FH) ListItemType itemType = e.Item.ItemType;
Pm{*.AW1 X/0v'N if (itemType == ListItemType.Item )
1wj:aD?g {
1Sz A3c e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
oG oK, e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
,*svtw:2') }
B 0ee?VC else if( itemType == ListItemType.AlternatingItem)
D=r)) {
39i9wrP e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
=aG xg57 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
jXg }
NH A 5e< RFaSwf,5n 添加一个编号列:
U7@AC}.+ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Me5{_n DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
*fMpZ+;[m hqvE!Of for(int i=0;i<dt.Rows.Count;i++)
u{<"NR h {
u+m,b76 dt.Rows["number"]=(i+1).ToString();
*/qtzt }
{Ro2ouQ!V \Q?ip&R DataGrid1.DataSource=dt;
LW6ZAETyL DataGrid1.DataBind();
BaI $S>/Q e}Vw!w DataGrid1中添加一个CheckBox,页面中添加一个全选框
+n0r0:z0 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
K)tQ]P {
=ac_,]z foreach(DataGridItem thisitem in DataGrid1.Items)
(IqZ@->nw {
x&sI=5l ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
*D}0[|O }
s9;#!7ms }
`:8J46or :$;Fhf<5 将当前页面中DataGrid1显示的数据全部删除
^FmU_Q0 foreach(DataGridItem thisitem in DataGrid1.Items)
{6;9b-a] {
\uqjs+ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
(_kp{0r# {
w27KI]%( string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
-H^oXeN Del (strloginid); //删除函数
{'sY|lou }
=uk0@hy9b }
XgN` 7!Z J?@DGp+t 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)
g6@Fp7T EF7+ *Q9 在Application_Start中添加以下代码:
q\Q{sv_ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
_R'Fco AppSettings["ConnStr"].ToString();
/tV/85r s^0/"j |7 31. 变量.ToString()
KH)D08 Hgeg@RP
Q 字符型转换 转为字符串
=L%DX#8 12345.ToString("n"); //生成 12,345.00
2]GdD* 12345.ToString("C"); //生成 ¥12,345.00
MObt,[^W 12345.ToString("e"); //生成 1.234500e+004
#/"8F O%~p 12345.ToString("f4"); //生成 12345.0000
O ,rwP 12345.ToString("x"); //生成 3039 (16进制)
T{V/+RM 12345.ToString("p"); //生成 1,234,500.00%
0iULCK f.aSKQD 32、变量.Substring(参数1,参数2);
HX'FYt/?t 0&qr 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);
9TF f8'?d S)QAXjH 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)
5w %_$x <SCRIPT language="javascript">
rg0ma <!--
tQZs.1=z function gook(pws)
RZM"~ 0 {
.Ha'p. frm.submit();
#-pc}Y|< }
4h@Z/G!T3 //-->
8N:owK 6x"Q
</SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
V.os <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
`cPywn@uGZ <tr>
D9`0Dr}/2 <td>
d(g^M1m <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
5H=ko8fZ= <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
f;/QJ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
(D@A74q\' OB[o2G <0 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
.(pN5JI* <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
UzXE_S qwIa?!8o </td>
3 ?Y| !61Pl/uQ </tr>
; 7N
Z<k \*,=S52 </form>
>A0k 8T ZeG_en ; 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
kId
n6 Wx, V5p=
mmnA, 下面是获取用户输入的登陆信息的代码:
c/_+o;Bc string name;
Cy*|&=>j name=Request.QueryString["EmailName"];
hJzxbr
< 3!5Ur& try
`R"I;qV {
=]-j;#'& int a=name.IndexOf("@",0,name.Length);
+7t6k7]c f_user.Value=name.Substring(0,a);
Rb(SBa f_domain.Value=name.Substring(a+1,name.Length-(a+1));
zG e'*Qei f_pass.Value=Request.QueryString["Psw"];
97K[(KE }
7\ nf:. ICAH G7 , catch
Cgz D$`~ {
Q5%#^ZdsTd Script.Alert("错误的邮箱!");
"B_K
XL Server.Transfer("index.aspx");
l2;CQ7 }