1. 打开新的窗口并传送参数:
1iA0+Ex(j ]et
]Vkg 传送参数:
:k; c|MW response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
wDQ@$T^vh #}PQ !gZ 接收参数:
Q,ezAE string a = Request.QueryString("id");
^`~s#L7 string b = Request.QueryString("id1");
k kZ2Jxvx UWW^g@d4 2.为按钮添加对话框
uBp,_V? Button1.Attributes.Add("onclick","return confirm(’确认?’)");
<mrvuWg0 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
LoUHStt \T'.b93~B 3.删除表格选定记录
|~K 5] int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
/b1+ ^|_ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
]iU8n (5f )])nd"E 4.删除表格记录警告
}}Zwdpo private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
|?cL>]t {
~mF^t7n] switch(e.Item.ItemType)
3# g"Z7/ {
@:dn\{Zsea case ListItemType.Item :
k!Ym<RD%N case ListItemType.AlternatingItem :
c;X%Ar case ListItemType.EditItem:
X!b+Dk TableCell myTableCell;
0dTHF})m myTableCell = e.Item.Cells[14];
qix$ }(P LinkButton myDeleteButton ;
lGlh/B% myDeleteButton = (LinkButton)myTableCell.Controls[0];
'iM#iA8 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
"L0Q"t: break;
(U{,D1? default:
Z5j\ M break;
[S~/lm }
$+k|\+iJ z|F38(%JJN }
> `1K0?_ &%UZ"CcA 5.点击表格行链接另一页
~xa yGk private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1^ijKn@6 {
5g q //点击表格打开
>]L\B w if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
}>5R9 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
0$qK: ze }
|EGC1x]j= -k?K|w*X 双击表格连接到另一页
6`h}#@ ( FUP0X2P 在itemDataBind事件中
*@VS^JB if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
)krBjF.$ {
B,q)<z6< string OrderItemID =e.item.cells[1].Text;
bhl9:`s ...
qEvbKy} e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
u?F^gIw }
O:]e4r,' | |u 双击表格打开新一页
%ws@t"aER if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
BvLC% {
^, &' string OrderItemID =e.item.cells[1].Text;
/HE{8b7n3F ...
N79?s)l:K e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
3Q#Tut }
Ez/>3:; d4m@u$^1B ★特别注意:【?id=】 处不能为 【?id =】
#AR$'TE# 6.表格超连接列传递参数
DO
0 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
R0#'t+7^ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
\>\_OfY1W BMo2t'L 7.表格点击改变颜色
o?g9Grk if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
TFNB%| {
Hmx
Y{KB e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
[k]3#<sS this.style.color=’buttontext’;this.style.cursor=’default’;");
czLY+I;V3 }
pkE4"M!3= B/_~j_n$m 写在DataGrid的_ItemDataBound里
9+
A~( if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
eJ0Xfw%y%T {
FfC\uuRe e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
6zp]SPY this.style.color=’buttontext’;this.style.cursor=’default’;");
gF2,Jm@"6 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
zEKVyZd*{ }
m++=FsiX= Lng@'Yr _]zH4o<p 8.关于日期格式
l[6lXR&| 0m,q3 日期格式设定
`< 82"cAT{ DataFormatString="{0:yyyy-MM-dd}"
hK UK#xx ?sW}<8\ 我觉得应该在itembound事件中
[VE>{4]W e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
T<%%f.x[s )&$mFwf 9.获取错误信息并到指定页面
aM4-quaG] 4 'DEdx,&f 不要使用Response.Redirect,而应该使用Server.Transfer
gle<{
` 48,uO! e.g
3ESrd"W= // in global.asax
/?1^&a protected void Application_Error(Object sender, EventArgs e) {
[a!)w@I: if (Server.GetLastError() is HttpUnhandledException)
U/A
[al Server.Transfer("MyErrorPage.aspx");
6@x^,SA @e-2]z //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
#]h&GX }
iHT=ROL q $=[v Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
j6E|j>@u ^x2@KMKXZ 10.清空Cookie
Ki>XLX,er= Cookie.Expires=[DateTime];
o;u~Yg Response.Cookies("UserName").Expires = 0
**.g^Pyc AHU=`z 11.自定义异常处理
PDS?>Jg( //自定义异常处理类
cEIs9; using System;
c5Hyja= using System.Diagnostics;
TSH'OW !b X.V4YmZ-; namespace MyAppException
*/OKg;IMi {
bZ#5\L2 /// <summary>
6MpV,2:> /// 从系统异常类ApplicationException继承的应用程序异常处理类。
q8}he~a /// 自动将异常内容记录到Windows NT/2000的应用程序日志
NcX`*18 /// </summary>
aP]h03sS public class AppException:System.ApplicationException
92ngSaNC {
BZ,{gy7g7X public AppException()
Y[s}?Xu]w# {
s`|KT&r if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
G1Vn[[%k }
p~v0pi P9x':I$ public AppException(string message)
D,()e^o {
F#~*j LogEvent(message);
qJJ},4} }
vwzElZ{C:v 89m9iJ= public AppException(string message,Exception innerException)
?z0W1a {
yG^pND>_df LogEvent(message);
`i!fg\qnK if (innerException != null)
=imJ0V~RW {
-56gg^Pnr LogEvent(innerException.Message);
x2f=o|]D' }
\zeu vD }
p*U!94Pb KV! ( //日志记录类
Q\}Ck+d`a using System;
Bh&dV%' using System.Configuration;
RN$>!b/ using System.Diagnostics;
AwZz}J+ using System.IO;
C#B|^A_ using System.Text;
_}cD_$D using System.Threading;
V{fG~19
yG;@S8zC namespace MyEventLog
I]%Kd(' {
. I."q /// <summary>
HM#|&_gV /// 事件日志记录类,提供事件日志记录支持
0Bk-)z|V /// <remarks>
viJP6fh /// 定义了4个日志记录方法 (error, warning, info, trace)
G_M8? G0 /// </remarks>
P-DW@drxF /// </summary>
EMDYeXpV public class ApplicationLog
K)^8 :nt {
HQnc`2 /// <summary>
D^}2ilk! /// 将错误信息记录到Win2000/NT事件日志中
[c
XSk /// <param name="message">需要记录的文本信息</param>
\uO^wJ} /// </summary>
e-%q!F(Bf public static void WriteError(String message)
vOq N=bp {
F,V|In WriteLog(TraceLevel.Error, message);
z6P~HF+&h }
L#%)@ q7I!wD9Cff /// <summary>
7GCxd#DJ /// 将警告信息记录到Win2000/NT事件日志中
yb>R(y /// <param name="message">需要记录的文本信息</param>
]<K"`q2 /// </summary>
~[f`oC public static void WriteWarning(String message)
Er
-rm {
7*
[ WriteLog(TraceLevel.Warning, message);
k9;t3-P }
%j2$ ezud 3#Iq5vT /// <summary>
YABi`;R]' /// 将提示信息记录到Win2000/NT事件日志中
de;CEm<n /// <param name="message">需要记录的文本信息</param>
Vt,P.CfdC /// </summary>
zZP/C
public static void WriteInfo(String message)
5#y_EpL" {
Zy.3yQM9i WriteLog(TraceLevel.Info, message);
B*9?mcP\ }
u\"/EaQ{ /// <summary>
`2]TPaWGh /// 将跟踪信息记录到Win2000/NT事件日志中
/}
h"f5 /// <param name="message">需要记录的文本信息</param>
@>8{J6%\ /// </summary>
ou{V/?rb public static void WriteTrace(String message)
:,
3S5!(y {
:^-\KE`3 WriteLog(TraceLevel.Verbose, message);
<\eRa{ef }
{ `xC~B h [KCR@__ /// <summary>
^+0>,-)F /// 格式化记录到事件日志的文本信息格式
]re}EB\Rs /// <param name="ex">需要格式化的异常对象</param>
X4+H8],) /// <param name="catchInfo">异常信息标题字符串.</param>
R&$fWV;' /// <retvalue>
C XNYWx /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
7#SfuZ0@ /// </retvalue>
x0K#- /// </summary>
HKIr? public static String FormatException(Exception ex, String catchInfo)
Q#*R({)GH {
Z>l<.T"t' StringBuilder strBuilder = new StringBuilder();
FGhnK' if (catchInfo != String.Empty)
A~^x*#q{4 {
NNwGRoDco strBuilder.Append(catchInfo).Append("\r\n");
4TYtgP1 }
oKH+Q6S: strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
_xy[\X;9 return strBuilder.ToString();
"rfBYl` }
<;uM/vSi '4,IGxIq /// <summary>
A-J#$B /// 实际事件日志写入方法
OJh MM- /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
)."dqq^ q /// <param name="messageText">要记录的文本.</param>
~)zxIO! /// </summary>
r8!pk~R5] private static void WriteLog(TraceLevel level, String messageText)
hc|#JS2H@y {
fn.;C try
~N7;.
3 7 {
AX{7].)F EventLogEntryType LogEntryType;
U9*< dR switch (level)
&0H_W xKeB {
;*ni%|K case TraceLevel.Error:
Wyow MFp LogEntryType = EventLogEntryType.Error;
7#Uzz"^ break;
w9mAeGyE case TraceLevel.Warning:
I$4>_D LogEntryType = EventLogEntryType.Warning;
'Sesh'2
/ break;
X?;iSekI4 case TraceLevel.Info:
C\OZs%]At LogEntryType = EventLogEntryType.Information;
Se37- break;
W}%"xy ]N case TraceLevel.Verbose:
k+J63+obd LogEntryType = EventLogEntryType.SuccessAudit;
VDZOJM)( break;
]EUQMyR default:
vp9wRGd LogEntryType = EventLogEntryType.SuccessAudit;
tR2%oT>h break;
}`!-WY }
,?HM5c{'[Y ) jt?X} EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
0c8_& //写入事件日志
TP~1-(M)} eventLog.WriteEntry(messageText, LogEntryType);
xE$lx:C"FU K-K>'T9F} }
fVVD}GM= catch {} //忽略任何异常
P,xJVo\ }
=BJe}AV } //class ApplicationLog
bTZ.y.sI }
=+I-9= <M}O&?N
8x 12.Panel 横向滚动,纵向自动扩展
g/\cN(X <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
!H<%X~|, q*C-DiV 13.回车转换成Tab
SLUQFoz} <script language="javascript" for="document" event="onkeydown">
BjA$^ i|8 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
SXN]${ event.keyCode=9;
@1<VvW= </script>
0\s&;@xKk ^,)nuUy onkeydown="if(event.keyCode==13) event.keyCode=9"
bI_MF/r'' @; I9e 14.DataGrid超级连接列
#!%zf{(C+ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Oamz>Hplu <G`1(,g 15.DataGrid行随鼠标变色
}' sW[?ik private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
6j+X@|2^ {
;*ULrX4[ if (e.Item.ItemType!=ListItemType.Header)
{"2CI^!/U. {
)[r=(6?n e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
lV$#>2Hh5 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
ao[yHcAs }
[tElt4uG }
>"|t*kS B#35)QI 16.模板列
$$< I}eMd> <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
3-)}.8F <ITEMTEMPLATE>
uPxjW"M+ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
g5u4|+70 </ITEMTEMPLATE>
LafBf6wds </ASP:TEMPLATECOLUMN>
12_7UWZ" ll- KK`Ka <ASP:TEMPLATECOLUMN headertext="选中">
0
0|!g"E>$ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
B7YE+ <ITEMTEMPLATE>
&
9
c^9<F <ASP:CHECKBOX id="chkExport" runat="server" />
065 =I+Vo </ITEMTEMPLATE>
0PsQ
1[1 <EDITITEMTEMPLATE>
DyA/!%g <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
]mUt[Yy:z </EDITITEMTEMPLATE>
fny6`_O </ASP:TEMPLATECOLUMN>
M)AvcZNs h@\HPYi#. 后台代码
b!`Ze~V protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
U~t!
{
]VE3u_kR //改变列的选定,实现全选或全不选。
o~q.j_Sa CheckBox chkExport ;
-5|el3%) if( CheckAll.Checked)
%6m' |(- {
|F<%gJ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Ap;^\5 {
SBf=d<j 1) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
mV)t chkExport.Checked = true;
;ceg:-Zqo }
l~Ka(*[!U }
O=lRI)6w@e else
u47`&\ {
kC6Y?g foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
4FZ/~Y1} {
H@~tJ\L chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
gs0`nysM# chkExport.Checked = false;
fwMYEj }
Ro<x#Uo }
RAws{<6T- }
}[MkJ21! e"XolM0IM 17.数字格式化
Wm5[+z|2?9 QnS#"hc\a 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
*M0O&" ~j <%#Container.DataItem("price","{0:¥#,##0.00}")%>
`P-d. M6Oa TXS`ey int i=123456;
3>73s}3 string s=i.ToString("###,###.00");
L~by `q N_ jG)66E*" 18.日期格式化
pGy k61 *yo'Nqu 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
JO&RuAq w'VuC82SZ 显示为: 2004-8-11 19:44:28
M"u=)CT [KbLEMrPba 我只想要:2004-8-11 】
NWQ7%~#k* <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
T4gfQ6# (njTS+? 应该如何改?
;C
,
g6{ FeQo,a 【格式化日期】
_bg Zl jVN=_Y}\ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
d(R8^v/L -vk/z+-^! 【日期的验证表达式】
aG4 ^xOD \Cin%S.C A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
"wKJ8 ^((\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})))?$
a|[f%T<< 3u^wK B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
_5O~]} ^\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]))$
%W| Sl MPyDG"B * 【大小写转换】
-eS r HttpUtility.HtmlEncode(string);
{#`wW`U^ HttpUtility.HtmlDecode(string)
R~hIo aiN Z?3B1o9 19.如何设定全局变量
m(kv:5<> R\#5;W^ Global.asax中
=?wDQ: QR8]d1+GV Application_Start()事件中
nGc'xQy0 PU B0H 添加Application[属性名] = xxx;
)J+rt^4| 7Q~W}`Qv' 就是你的全局变量
0/fZDQH v$(Z}Hg 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
]VtP7Y KbK!4 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
<mTo54g YN:Sn\`D 8 【ASPNETMENU】点击菜单项弹出新窗口
M
0RA& B,Tv9(sv 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Fl{~#] <?xml version="1.0" encoding="GB2312"?>
l=S!cj; <MenuData ImagesBaseURL="images/">
"[7'i<,AI <MenuGroup>
2bw.mp&v1 <MenuItem Label="内参信息" URL="Infomation.aspx" >
;'Z"CbS+ <MenuGroup ID="BBC">
?A r}QN <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
j>
dZ26 >N <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
yT7{,Z7t ......
BePb8
k<y OPqhdqo 最好将你的aspnetmenu升级到1.2版
]iFW>N*a D@[#7:rHL 21.读取DataGrid控件TextBox值
-HuIz6 foreach(DataGrid dgi in yourDataGrid.Items)
HJpx,NU' {
+ek6}f# TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
[)I
W9E
v tb.Text....
FB>P39u }
f.oY:3h: 0R(['s:3` 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?
s- 0Xt< 9:Bn-3 ) 〖思归〗
K]7[|qf& <asp:TemplateColumn HeaderText="数量">
r~fnK%| <ItemTemplate>
)qFqf<:yc <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
*p0n^XZ% ? onkeyup="javascript:DoCal()"
<veypLi"R />
HTMo.hr \Ov~ t <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
c5O8,sT </ItemTemplate>
kXUJlLod </asp:TemplateColumn>
F*Yx1vj > #9
a&O <asp:TemplateColumn HeaderText="单价">
BrzTOkeyG <ItemTemplate>
j/E(*Hv <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
J\'f5)k onkeyup="javascript:DoCal()"
bS55/M w />
z\K% P# 8lO%; <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
8+(wAbp Tgi7RAY </ItemTemplate>
5N;xo?? </asp:TemplateColumn>
WUQa2$. \X]I: 0^j <asp:TemplateColumn HeaderText="金额">
p#rqe<Ua <ItemTemplate>
16.?45 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
>Apa^Bp </ItemTemplate>
dI=&gz </asp:TemplateColumn><script language="javascript">
&fkH\o7) function DoCal()
B/3xV:Gy {
]lE5^<<
var e = event.srcElement;
d+ $:u var row = e.parentNode.parentNode;
3(.Y>er%U var txts = row.all.tags("INPUT");
k{ZQM if (!txts.length || txts.length < 3)
?A*<Z%}1? return;
A4;~+L :M )2Y]A^ Y var q = txts[txts.length-3].value;
@KZW*-" var p = txts[txts.length-2].value;
EF=5[$
u 3k8.5W if (isNaN(q) || isNaN(p))
%6M%PR~u return;
!Ow
M-t X;vUz q = parseInt(q);
8hyXHe p = parseFloat(p);
XZ(<Mo\v jr-9KxE txts[txts.length-1].value = (q * p).toFixed(2);
Z*NTF:6c }
Hf30ve} </script>
j[t2Bp ?\X9Ei l%yQ{loTh jrttWT +#X+QG 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。
a/%qn-i|p page_load
"#f5jH page.smartNavigation=true
-h8Z@r~a/ 6D{70onY+ 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 ?
a^O>i#i private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
^b= ; {
lx?v
.:zl\ for(int i=0;i<e.Item.Cells.Count-1;i++)
c+whpQ=01 if(e.Item.ItemType==ListItemType.EditType)
wp:Zur5Y {
u{l4O1k/c e.Item.Cells.Attributes.Add("Width", "80px")
v`6vc)>8 }
YXdo&'Q<qX }
?D_}',Wx :."+&gb 26.对话框
6_tl_O7 private static string ScriptBegin = "<script language=\"JavaScript\">";
F2)KAIl private static string ScriptEnd = "</script>";
9u3P>a~b %\!0*(8 public static void ConfirmMessageBox(string PageTarget,string Content)
u:wijkx {
xKepZ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
4"^W/Zo {q~N$"# ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
tejpY 'I r Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
(4rHy*6 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
L,,*8 //Response.Write(strScript);
rQpQqBu }
f&$$*a -7Kstc- 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
P4E_<v[ Pt6d5EIG 1.1 取当前年月日时分秒
7p{uRSE4._ currentTime=System.DateTime.Now;
rK'O 85)eU oj,;9{- 1.2 取当前年
z 5~X3k7 int 年= DateTime.Now.Year;
Jt?`(H |Fq\%y# 1.3 取当前月
k#p6QAhS int 月= DateTime.Now.Month;
'RV wxd A43[i@o 1.4 取当前日
Kc>Rd int 日= DateTime.Now.Day;
\vW'\} {L M Q 1.5 取当前时
/}5)[9GC int 时= DateTime.Now.Hour;
Q}g"pl `bd9N!K 1.6 取当前分
i+I1h= int 分= DateTime.Now.Minute;
MOuEsm; O8LIKD_I[ 1.7 取当前秒
D8$4P T0u int 秒= DateTime.Now.Second;
$?pfst~;O ykGA.wo7/P 1.8 取当前毫秒
Ffd;aZ4n int 毫秒= DateTime.Now.Millisecond;
]XYD2fR2qA Emk:@$3{r 28.自定义分页代码:
w`zS`+4 4:kDBV;v 先定义变量 :
1ZvXRJ)% public static int pageCount; //总页面数
%F:; A public static int curPageIndex=1; //当前页面
g12.4+ T[J8zLO 下一页:
"VMb1Zhf if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
b.)jJLWv@ {
~D/1U)kt DataGrid1.CurrentPageIndex += 1;
v<| iN# curPageIndex+=1;
1Z_ H%( }
-"bC[ WN w3ZOCWJS bind(); // DataGrid1数据绑定函数
5<7sVd. @ xTVX'$ 上一页:
wV4MP1c$ if(DataGrid1.CurrentPageIndex >0)
Nfmr5MU_ {
TEC#owz DataGrid1.CurrentPageIndex += 1;
}rWg'] curPageIndex-=1;
DMKtTt[} }
JDOn`7!w Z)}2bJwA bind(); // DataGrid1数据绑定函数
sAF="uB F-D$Y?m 直接页面跳转:
RXO5pd int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
D\pX@Sx,v[ V7
hO} if(a<DataGrid1.PageCount)
t
^1uj:vD {
(:}}p}u this.DataGrid1.CurrentPageIndex=a;
X 0LC:0+ }
Yv"B-oy NK%Ok bind();
FbW$H]C$ ;i?R+T 29.DataGrid使用:
iD>H{1 h NpS =_QeNw 添加删除确认:
IPt
!gSp private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
z|$9%uz" {
FY/F}C,o foreach(DataGridItem di in this.DataGrid1.Items)
GP`sOPr {
Ejyo
oO45 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
n6C!5zq7U {
9aKO||i, ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
/2$d'e }
p>W@h*[6w }
pLMaXX~4_ }
LQ||7>{eX gYmO4/c,
样式交替:
In;+wFu;M ListItemType itemType = e.Item.ItemType;
ZCNO_g *\`<=,H6< if (itemType == ListItemType.Item )
?5j~" {
$1k@O@F(4 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
s&\krW& e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Qm*X Wo }
\\`(x:\ else if( itemType == ListItemType.AlternatingItem)
akWOE}5# {
,z>w^_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
1L=)93,M e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
hOuHTo^ }
9A9T'g)Du &/g^J\ 0M) 添加一个编号列:
Xu|2@?l9 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
S[N9/2 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
ff00s+ x1}Ono3"T for(int i=0;i<dt.Rows.Count;i++)
Uyd' uC {
pB7^l|\] dt.Rows["number"]=(i+1).ToString();
4Ofkagg }
mo&9=TaG o3h>)4 DataGrid1.DataSource=dt;
Q2*
~9QkU DataGrid1.DataBind();
SEH[6W3 goJ'z|)) DataGrid1中添加一个CheckBox,页面中添加一个全选框
g~76c.u- private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
j@{dsS:6 {
9q\_UbF foreach(DataGridItem thisitem in DataGrid1.Items)
CW]Th-xc {
@R (Op|9 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
A>_,tt
}
Y)l=r^Ap> }
J
:KU~`r 3{|]@ L 将当前页面中DataGrid1显示的数据全部删除
kr-5O0tmf foreach(DataGridItem thisitem in DataGrid1.Items)
Fe.90) {
[ B*r{ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
f85~[3
J {
n+ k,:O5 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Z{?T1 =n Del (strloginid); //删除函数
>=.3Vydi1 }
Rgl cd }
[.&n,.k Ei=rBi 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)
=J'Q%qN<Zd nwIj?(8x 在Application_Start中添加以下代码:
{.J<^V Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
j-ob7(v)*] AppSettings["ConnStr"].ToString();
=T1Xfib ,T;D33XV 31. 变量.ToString()
zMd><UQP{ %Hhk
6tR, 字符型转换 转为字符串
Ty7)j]b"zl 12345.ToString("n"); //生成 12,345.00
ImbA2Gcs 12345.ToString("C"); //生成 ¥12,345.00
;^|):x+O 12345.ToString("e"); //生成 1.234500e+004
?-8DS5 12345.ToString("f4"); //生成 12345.0000
}c>vk 12345.ToString("x"); //生成 3039 (16进制)
D]N)
12345.ToString("p"); //生成 1,234,500.00%
?TI]0) U} w@,6 32、变量.Substring(参数1,参数2);
@jrxbo;5 ^)C# 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);
ew]G@66 %,zHS?)l 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)
r|i) <SCRIPT language="javascript">
^dE[ ; <!--
>qmNT/ function gook(pws)
DfVJ~,x~ {
$8SSu|O+x frm.submit();
pgZQ>% }
*B9xL[} //-->
GK[9IF#_> nq~fH(QY </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
ixE w!t <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
5u3KL
A <tr>
?Mn~XN4F_ <td>
{dn:1IcN <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
l}&2A*c. <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
M0OIcMTv <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
4;eD}g JAT%s
%UC <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
@AK&R~< <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
< RtyW m9+?>/R </td>
sf:IA%.4t emB<{kOkw </tr>
T8x8TN" 1kR. .p<" </form>
IM5[O}aq g:GywXW 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。
ZSyXzop |f!J-H) 下面是获取用户输入的登陆信息的代码:
3i'01z string name;
VL'wrgk name=Request.QueryString["EmailName"];
{3kz\FS H4j1yD(d try
5(E&jKn& {
ZX8@/8sv int a=name.IndexOf("@",0,name.Length);
PN:`SWP f_user.Value=name.Substring(0,a);
ck3+A/ !z f_domain.Value=name.Substring(a+1,name.Length-(a+1));
UBk:B f_pass.Value=Request.QueryString["Psw"];
R0LWuE%eD }
1&<o3)L: axq~56"7E catch
MUGoW;}v) {
RDjw|V Script.Alert("错误的邮箱!");
EuImj#Zl Server.Transfer("index.aspx");
He}?\C
Bo }