1. 打开新的窗口并传送参数:
I#0.72:[ 6f?DW-)jp/ 传送参数:
K!9=e7|P response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
4k#6)e =4I361oMf 接收参数:
, ^nUi c string a = Request.QueryString("id");
Wp'\NFe8 string b = Request.QueryString("id1");
OjCT%6hy; xv2;h4{< 2.为按钮添加对话框
yZ 9 *oDs Button1.Attributes.Add("onclick","return confirm(’确认?’)");
]X5*e' button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
YGHWO#!Gp y`BLIEI 3.删除表格选定记录
iTX.?* int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
!y),| #7P string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
uYl ?Q +)Ty^;+[1 4.删除表格记录警告
ka'MF;!rc private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
2vXMrh\ {
XBc+_=)$ switch(e.Item.ItemType)
56)B/0= {
HGKm?'[' case ListItemType.Item :
V_~wWuZ- case ListItemType.AlternatingItem :
d0xV<{,- case ListItemType.EditItem:
9\xw}ph TableCell myTableCell;
X#o:-FKf myTableCell = e.Item.Cells[14];
jIl-}/2 LinkButton myDeleteButton ;
8RK\B%UW myDeleteButton = (LinkButton)myTableCell.Controls[0];
Z+}SM]m myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
0I
k@d'7 break;
wEp/bR1= default:
_ %P%~`?! break;
|gaZq!l }
N@VD-}E 4qMHVPJv\ }
jPd<h{js V *]!N 5.点击表格行链接另一页
M|Se|*w private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
5 909O {
C]`Y PM5 //点击表格打开
L{=z}QO if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
qdm!]w.G5 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
qq/Cn4fN8 }
b:JOR@O HP8pEo0Y 双击表格连接到另一页
NUU}8a(K rB)WHx< 在itemDataBind事件中
oM VJ+#[x if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
nMnc&8r {
)CB?gW string OrderItemID =e.item.cells[1].Text;
|EApKxaKD ...
eyM3W}[S$/ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
0TNzVsu7 }
8}0
D? k"U4E
J{ 双击表格打开新一页
;~K($_#H if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
,|H!b%ZW {
xq{4i|d) string OrderItemID =e.item.cells[1].Text;
w.3R1}R ...
zknD(%a e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Z\ Q7#dl }
&zT~3>2 pr?/rXw ★特别注意:【?id=】 处不能为 【?id =】
_PaOw%Y9 6.表格超连接列传递参数
p<jr&zVEc> <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
8%"e-chd <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
J0K"WmW `MD/CFl4 7.表格点击改变颜色
pxF!<nN1, if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
\Q$);:=qQ {
e,BJD>N ? e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Q4x71*vy this.style.color=’buttontext’;this.style.cursor=’default’;");
3)ip@29F }
~RJg.9V n >Ei1 写在DataGrid的_ItemDataBound里
}u&JX if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9~_6mR< {
"&%Hb's e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
r3kI'I|bq this.style.color=’buttontext’;this.style.cursor=’default’;");
lDpi1]2 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
71%u|k8| }
/[s$A? c"xaN GyCpGP|AZ 8.关于日期格式
.DQ]q o]OG V6k9L*VP 日期格式设定
e=_hfOUC DataFormatString="{0:yyyy-MM-dd}"
W@tLT[}CG q
mB@kbt 我觉得应该在itembound事件中
7Tbk ti; e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
|2# Ro* bo2Od 9.获取错误信息并到指定页面
UO wNcY *.RVH<W=8 不要使用Response.Redirect,而应该使用Server.Transfer
K"1J1>CHQ /p>[$`Aq
e.g
-AE/,@ \P // in global.asax
mm 8O protected void Application_Error(Object sender, EventArgs e) {
v<wT`hiKW if (Server.GetLastError() is HttpUnhandledException)
Oc.>$ Server.Transfer("MyErrorPage.aspx");
&u8c!;y$b |#wz)=mD //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
S6mmk&n }
D\R^*k@V AMdS+(J 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
*"ShE=\p |>4 { 4 10.清空Cookie
To`?<]8 Cookie.Expires=[DateTime];
kQ8WO|bA Response.Cookies("UserName").Expires = 0
rx/6x(3 U ~m.I 11.自定义异常处理
@-}]~|< //自定义异常处理类
St`m52V(5X using System;
Q1Ao65 using System.Diagnostics;
EMG*8HRI>r bRp[N namespace MyAppException
>y[S?M {
\Hd B /// <summary>
,whNh /// 从系统异常类ApplicationException继承的应用程序异常处理类。
qE}YVKV* /// 自动将异常内容记录到Windows NT/2000的应用程序日志
1*h7L<#|mQ /// </summary>
$}$@)!- public class AppException:System.ApplicationException
R{_IrYk {
N3p3"4_]fy public AppException()
B5G$o{WM {
P{18crC[1 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
3iw9jhK!W }
; \+0H$ <Tf;p8# public AppException(string message)
=Qrz|$_rv {
4)I#[&f LogEvent(message);
ub5hX{uT }
7p6J aehMLl9cl public AppException(string message,Exception innerException)
*\", qMp {
s jm79/ LogEvent(message);
|T *qAJ8c if (innerException != null)
kqw? X{ {
R:?vY! LogEvent(innerException.Message);
VKz<7K\/ }
1#"Q' ,7 }
avu,o ,~(}lvqVH //日志记录类
u2-7vudh using System;
bl_WN|SQ using System.Configuration;
L0tKIpk using System.Diagnostics;
0(x@
NGb>{ using System.IO;
"~C#DZwt{ using System.Text;
Xkom@F~] using System.Threading;
(}1f]$V uFZB8+ namespace MyEventLog
_`>7
Q),7 {
.N&}<T[ /// <summary>
@l Gn G /// 事件日志记录类,提供事件日志记录支持
( y*X8 /// <remarks>
GK?R76d /// 定义了4个日志记录方法 (error, warning, info, trace)
%+a@|Z /// </remarks>
4uAafQ`@H /// </summary>
[[h)4H{T public class ApplicationLog
Ba|}C(Ws? {
L]N2rMM /// <summary>
H^;S}<pxW /// 将错误信息记录到Win2000/NT事件日志中
PRC)GP&q /// <param name="message">需要记录的文本信息</param>
&\|<3sd( /// </summary>
wS*CcIwj public static void WriteError(String message)
A5<Z&Y[ {
Ks2%F&\cE WriteLog(TraceLevel.Error, message);
FNCLGAiZ }
I A#*T` h^kNM8 /// <summary>
2%C5P0;QX /// 将警告信息记录到Win2000/NT事件日志中
l~TIFmHkh% /// <param name="message">需要记录的文本信息</param>
ESjJHZoD( /// </summary>
|#:dC # public static void WriteWarning(String message)
Ja=70ZI^6 {
cN}A rv WriteLog(TraceLevel.Warning, message);
XqS*;Zj0 }
U4l*;od ZQ-`l:G /// <summary>
oEoJa:h /// 将提示信息记录到Win2000/NT事件日志中
>"g<-!p@ /// <param name="message">需要记录的文本信息</param>
tr9Y1vxo{ /// </summary>
[=ak>>8 public static void WriteInfo(String message)
A2:){`Mw {
bL],KW;Q WriteLog(TraceLevel.Info, message);
= #2qX>? }
3hf;4Mb /// <summary>
fw v
T2G4 /// 将跟踪信息记录到Win2000/NT事件日志中
6Y_O^f /// <param name="message">需要记录的文本信息</param>
J*~2:{=% /// </summary>
6(^Upk=59 public static void WriteTrace(String message)
dwbY"t[9 {
l3?,gd.- WriteLog(TraceLevel.Verbose, message);
W;oU +z^t$ }
%>9+1lUhV Y:!/4GF /// <summary>
ddq 1NW /// 格式化记录到事件日志的文本信息格式
MRg\FR2>1 /// <param name="ex">需要格式化的异常对象</param>
P[I*% /// <param name="catchInfo">异常信息标题字符串.</param>
QB3d7e)8> /// <retvalue>
vgA!?P3 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
a;'E}b{`F /// </retvalue>
*- IlF] /// </summary>
]AZ\5C-J public static String FormatException(Exception ex, String catchInfo)
?+,*YVT {
DPS1GO* StringBuilder strBuilder = new StringBuilder();
lc3S|4 if (catchInfo != String.Empty)
<m/b]| {
ZCE%38E N strBuilder.Append(catchInfo).Append("\r\n");
Pm#x?1rAj }
Q_]!an( strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
#ON#4WD? return strBuilder.ToString();
^0x.'G? }
]Z$TzT&@% Fi?Q
4b /// <summary>
0qL
V(L /// 实际事件日志写入方法
2 ]DCF /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
uVq5fT`B /// <param name="messageText">要记录的文本.</param>
eC^0I78x /// </summary>
9oje`Ay private static void WriteLog(TraceLevel level, String messageText)
3r-Vx P 5n {
!M]%8NTt2 try
"ji$@b_\? {
3Zaq#uA EventLogEntryType LogEntryType;
]D?# \| switch (level)
VM!-I8t {
iFnOl*TC case TraceLevel.Error:
t(j_eq}J LogEntryType = EventLogEntryType.Error;
4C,kA+P break;
B%eDBu
") case TraceLevel.Warning:
z{`6# LogEntryType = EventLogEntryType.Warning;
?@lx break;
LZUA+ x( case TraceLevel.Info:
zM_DE LogEntryType = EventLogEntryType.Information;
|C$:]MZx break;
dXhCyr%"6 case TraceLevel.Verbose:
C7b
5%a! LogEntryType = EventLogEntryType.SuccessAudit;
--
i&" break;
@Xq&t}*8 default:
VBbUl|X\ LogEntryType = EventLogEntryType.SuccessAudit;
!@^y)v break;
XN~#gm#
}
^e aRgNz ~']&. EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
!B [1zE //写入事件日志
C!ZI&cD9
eventLog.WriteEntry(messageText, LogEntryType);
w69>tC FylWbQU9 }
-GDV[Bg
catch {} //忽略任何异常
B@cJ\ }
";)r*UgR{B } //class ApplicationLog
I" 8d5a} }
YW8K
$W k
Zk .]b 12.Panel 横向滚动,纵向自动扩展
hi ;WFyJTu <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
yfSiByU TnN^2:cU 13.回车转换成Tab
kf+JM/ <script language="javascript" for="document" event="onkeydown">
q4sl=`L5Sp if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
6?%]odI# event.keyCode=9;
3E<aiGU </script>
0M#N=%31
tSEA999 onkeydown="if(event.keyCode==13) event.keyCode=9"
7XUhJN3n V~'k1P4 14.DataGrid超级连接列
V.K70)] DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
l9_m>X~ 9USrgY6_ 15.DataGrid行随鼠标变色
I$aXnd6) private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#'J~Xk {
z6p#fsD if (e.Item.ItemType!=ListItemType.Header)
]~?S~l% {
ltNuLZ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Jq#[uX e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
.HyjL5r- }
J*}VV9H }
q$MHCq; m3U+ du 16.模板列
96vj)ql <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
nHI(V-E2:H <ITEMTEMPLATE>
kjx> <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
*mf}bTiS </ITEMTEMPLATE>
xM% H~( </ASP:TEMPLATECOLUMN>
S#P+B*v y!S^xS <ASP:TEMPLATECOLUMN headertext="选中">
@b]VCv0*f% <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
&|/vM. <ITEMTEMPLATE>
B1y<.1k <ASP:CHECKBOX id="chkExport" runat="server" />
sk#9x`Rw </ITEMTEMPLATE>
v]66.- <EDITITEMTEMPLATE>
XXXljh6 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
uPFRh~ (b </EDITITEMTEMPLATE>
;JAK[o8i </ASP:TEMPLATECOLUMN>
53bM+ Mx^y>\X)v 后台代码
U!x0,sr protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
XlRw Z/Wc {
3b<: :t //改变列的选定,实现全选或全不选。
T48BRVX-F CheckBox chkExport ;
S2Zx &D/_ if( CheckAll.Checked)
!K!)S^^Po? {
vZ:G8K)o( foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
)i&%cyZw {
+:}kZDl@ X chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
s jSi;S4 chkExport.Checked = true;
Z#CxQ D%\ }
j0AwL7 }
Pl_^nFm0 else
|Es0[cU {
&xgZFSq foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
=ntftSH {
hl`u"?rg chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
QQ*gFP.Ao chkExport.Checked = false;
>Q&CgGpW$ }
aXC!t }
_0w1kqW }
VXiui'/( { AFf:[G 17.数字格式化
Umij!=GPG^ B<Ol+)@,} 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
nQ|GqU\oA <%#Container.DataItem("price","{0:¥#,##0.00}")%>
X)8e4~(? 87pnSj/X" int i=123456;
B4@fY string s=i.ToString("###,###.00");
3eWJt\}?B X2LV&oi 18.日期格式化
{yTpRQN~ uN8/Q2 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
w"1x=+ *u}'}jC1X 显示为: 2004-8-11 19:44:28
,}KwP*:Z Sg_O?.r 我只想要:2004-8-11 】
fSbS(a <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
0iF -}o =)(0.E 应该如何改?
;uK";we X
PA0m 【格式化日期】
&Bm&i.r fa4=h;>a+ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
qIz}$%!A 0t+])> 【日期的验证表达式】
CG.,/]_ %Uf'+!4l` A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
##v`(#fu ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
0iV;g`% <1K7@Tu B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
h
D.)M ^\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]))$
XC2FF&B& &8n? 【大小写转换】
C s#w72N HttpUtility.HtmlEncode(string);
_KN:
o10U HttpUtility.HtmlDecode(string)
\ADLMj`F| iy}xICt 19.如何设定全局变量
m<3w^mww D#ZPq,f Global.asax中
ioWo ]
%A)538F Application_Start()事件中
85D? dgV 0p `")/ 添加Application[属性名] = xxx;
}vY.EEy! !VRo*[yD@ 就是你的全局变量
-=a[J;'q 5B?i(2 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
!3V{2-y$- *{|$FQnR>( HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
'60//"9>k/ A?r^V2+j 【ASPNETMENU】点击菜单项弹出新窗口
KUFz:&wK :BD>yOlG 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
%J!NL0x_ <?xml version="1.0" encoding="GB2312"?>
]Jn2Ra"j <MenuData ImagesBaseURL="images/">
c]NN'9G!{ <MenuGroup>
>Nh`rkR2[ <MenuItem Label="内参信息" URL="Infomation.aspx" >
g YUTt <MenuGroup ID="BBC">
iZ "y7s <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
+>}o;`hPe <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
|IN[uQ ......
96}eR, =)
}nLS3t 最好将你的aspnetmenu升级到1.2版
O:YJ%;w I .P6l*$ 21.读取DataGrid控件TextBox值
r]T0+ oQ> foreach(DataGrid dgi in yourDataGrid.Items)
dp<$Zw8BE {
RG1\=J$:E TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
`ET& VV tb.Text....
l'uOORI }
D5L{T+}Oi% UP8{5fx' 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?
d.AC%&W ]\dHU.i 〖思归〗
(f>M &.. <asp:TemplateColumn HeaderText="数量">
2y%R:Mu <ItemTemplate>
2(+P[( N1, <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
12OlrU onkeyup="javascript:DoCal()"
(w$'o*z;( />
$3\,h;y +`}o,z/^ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
^Xs]C|=W </ItemTemplate>
1tGgDbJU </asp:TemplateColumn>
JC2*$qu J u"Y]P*[k <asp:TemplateColumn HeaderText="单价">
L!y"d!6C <ItemTemplate>
'RLOV <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Yt{&rPv, onkeyup="javascript:DoCal()"
5g0_WpO />
J\A8qh8 t$I|E <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
}-nU3{1 m&/=&S </ItemTemplate>
+t"j-}xzE </asp:TemplateColumn>
_ECB^s_ >rf5)Y~f <asp:TemplateColumn HeaderText="金额">
[r9d<Zi}{ <ItemTemplate>
|' ;7v)CIG <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
~Z/7pP+ </ItemTemplate>
@i1q]0 </asp:TemplateColumn><script language="javascript">
"b%FmM function DoCal()
m~>@BCn; {
:Ss3ck*= var e = event.srcElement;
1;&T^Gdj var row = e.parentNode.parentNode;
BIfi:7I;Q var txts = row.all.tags("INPUT");
?,XC=} if (!txts.length || txts.length < 3)
RxG^ return;
ri+U0[e3 QO,+ps< var q = txts[txts.length-3].value;
4f {+pf^R var p = txts[txts.length-2].value;
m UgRm] ^73=7PZ if (isNaN(q) || isNaN(p))
GV6mzD@< return;
e{!vNJ0` F1c&0*_A q = parseInt(q);
=DMbz`t p = parseFloat(p);
"&-C$J5
Id ug&92Hdvy3 txts[txts.length-1].value = (q * p).toFixed(2);
o;QZe& }
)`Ed_F}k </script>
'C~9]Y]. ipZHSA j-32S! aU(tu2 asz?p\k:bC 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。
D9o*8h2$ page_load
ikHOqJ-,m page.smartNavigation=true
98UlNP @q)E=G1<o0 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 ?
N-%#\rPq. private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
q%S8\bt {
euZI`*0 for(int i=0;i<e.Item.Cells.Count-1;i++)
q[c Etp28h if(e.Item.ItemType==ListItemType.EditType)
,sI35I J {
NvHN -^2 e.Item.Cells.Attributes.Add("Width", "80px")
5~l2!PY }
IG|\:Xz }
`bqzg CZ tiWZ 26.对话框
Jck"Ks private static string ScriptBegin = "<script language=\"JavaScript\">";
v#U pw\! private static string ScriptEnd = "</script>";
2.qpt'p[ C #aFc01B public static void ConfirmMessageBox(string PageTarget,string Content)
)!,@m>0v{ {
or.\)(m#( string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
7K :FeW'N kM`7EPk ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
>76 |:Nq cL7C2wB` Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
TQ-KkH}y ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
=|V"#3$f //Response.Write(strScript);
VDn:SGj5 }
Cuv|6t75' 4 Py3I9 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
rr )/`Kmv% v,0<9!'v 1.1 取当前年月日时分秒
`]{Psc6_= currentTime=System.DateTime.Now;
0WXVc :rmauKR 1.2 取当前年
L*^
V5^- int 年= DateTime.Now.Year;
pVz*ZQ[] BS.= 1.3 取当前月
fTgbF{?xh int 月= DateTime.Now.Month;
{aIZFe}B 8Fx]koP. 1.4 取当前日
FfSI n3 int 日= DateTime.Now.Day;
0_HJ.g! t=
*Jg/$ 1.5 取当前时
-XW8 LaQB int 时= DateTime.Now.Hour;
5Pqt_ZWy Xi+n`T'i 1.6 取当前分
TrQm]9 @ int 分= DateTime.Now.Minute;
|D+p$^L |0]YA 1.7 取当前秒
D6:DrA: int 秒= DateTime.Now.Second;
@ExLh9 _.-#E$6s#q 1.8 取当前毫秒
RNe9h lr int 毫秒= DateTime.Now.Millisecond;
i'iO H|s t%HI1eO7h 28.自定义分页代码:
C[0MA ,^ e# <4/FR 先定义变量 :
]CIe~q public static int pageCount; //总页面数
+Lhe, public static int curPageIndex=1; //当前页面
Iht'e8)gq B'#4;R!8P= 下一页:
C$_G'XI if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
F {/>u(@3 {
R.O DataGrid1.CurrentPageIndex += 1;
$r):d curPageIndex+=1;
XD
5n]AL }
Z,SY
N?@ <OIUyZS bind(); // DataGrid1数据绑定函数
EoKo
!YY6o
V 上一页:
BPh".R J if(DataGrid1.CurrentPageIndex >0)
uct=i1+ fE {
V07VwVD DataGrid1.CurrentPageIndex += 1;
re/xs~ curPageIndex-=1;
73VQ@Jn }
OelU
D/[$ hAlPl<BO#V bind(); // DataGrid1数据绑定函数
2'Y{FY_Z aU4R+.M7@ 直接页面跳转:
n
3h^VQ*]G int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
8<Xq=*J+ CuIqh BW! if(a<DataGrid1.PageCount)
aDN.gMS {
&jt02+Hj' this.DataGrid1.CurrentPageIndex=a;
PP],HB+*[ }
jmSt?M0.xV sbgJw bind();
Etw~* Q*Y4m8wY 29.DataGrid使用:
O/(3 87= U i},d[ 添加删除确认:
&yB%QX{3 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'frWu6]<
4 {
7:z>+AM[r foreach(DataGridItem di in this.DataGrid1.Items)
xUQdVrFU {
d3og?{i<}& if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
QjI#Cs}w {
AjG)1 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
ijE<spG }
YXgWH'i~ }
gAj0ukX5 }
q)NXyy4BT ~KJ,SLzhx9 样式交替:
K4_~ruhr ListItemType itemType = e.Item.ItemType;
K!9y+%01 93 [rL+l.Y if (itemType == ListItemType.Item )
:2 _0L {
G aha Z
F e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
aXQ&@BZ{j e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
P`7ojXy }
92s4u3L; else if( itemType == ListItemType.AlternatingItem)
fdN45in=> {
R_t~UTfI; e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
;&RUE e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
C(f$!~M4b }
cZ6?P`X mp!YNI 添加一个编号列:
a:=q8Qy DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
SRP5P,- y DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
sq6>DuBZz o^8*aH)I>Y for(int i=0;i<dt.Rows.Count;i++)
su,`q {
=g/4{IL% dt.Rows["number"]=(i+1).ToString();
Cq-hPa}2 }
bjuYA/w< 8w03{H
0 DataGrid1.DataSource=dt;
s[Y)d>~\$= DataGrid1.DataBind();
Xq+!eOT .UNF~}^H DataGrid1中添加一个CheckBox,页面中添加一个全选框
" ]aQ Hh]f private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
>_rzT9gX& {
vEu
Ka<5 foreach(DataGridItem thisitem in DataGrid1.Items)
kTr6{9L {
E~'q?LJOB ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
`)0Rv|? }
U*
-% M }
KDux$V4 3 %z 将当前页面中DataGrid1显示的数据全部删除
~sZqa+jB0 foreach(DataGridItem thisitem in DataGrid1.Items)
`Af{H/qiI {
t.3Ct@wK if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
T+`xr0 {
JQ~y- lt string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
WAtg Del (strloginid); //删除函数
l0qdk#v }
|z.Gh1GCy }
ck(CA(_ Dm7Y#)%8 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)
5W*7qD[m G>
f^ 2 在Application_Start中添加以下代码:
&{X{36 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
_<u8%\ AppSettings["ConnStr"].ToString();
aO~si=
N BV}4 31. 变量.ToString()
E"Ya-8d= 6a "VCE] 字符型转换 转为字符串
FZ[@])B 12345.ToString("n"); //生成 12,345.00
W,QnU d'N 12345.ToString("C"); //生成 ¥12,345.00
\[Sm2/9v 12345.ToString("e"); //生成 1.234500e+004
Q%M'[L?[ 12345.ToString("f4"); //生成 12345.0000
vGx?m@ 12345.ToString("x"); //生成 3039 (16进制)
F{#N6,T 12345.ToString("p"); //生成 1,234,500.00%
AyQS4A.s[ 7Vz[ji 32、变量.Substring(参数1,参数2);
ovhC42i o|R*POM 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);
[VY8?y r
Iya\z1W 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)
ET >S <SCRIPT language="javascript">
Z!C`f/h9 <!--
tc+GR?-7W function gook(pws)
"#mXsp-ut {
#6Efev frm.submit();
\iFMU# }
P!`Q_h6a //-->
#rn4$ ?z \q Mu </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
'1>g=Ic0 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
tnQR< <tr>
\Dvl%:8 <td>
|<|28~# <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
4kW30Ma <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
=:xV(GK} <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
A}>|tm7| SR&(HH$ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
9%p7B ~}E <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
@Og\SZhn d1srV` </td>
"e1{V8
4 C:'WX*W </tr>
?~VWW<lR ql#{=oGDnA </form>
]Ks]B2Osz !(MA5L- 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。
EmtDrx4!(f bqw/O`*wfN 下面是获取用户输入的登陆信息的代码:
z")3_5Br string name;
SeRK7Q&_ name=Request.QueryString["EmailName"];
&y#\1K
rE1np^z7 try
Pi&fwGL {
@1pW!AdN int a=name.IndexOf("@",0,name.Length);
%fn'iKCB f_user.Value=name.Substring(0,a);
m6~ sKJV f_domain.Value=name.Substring(a+1,name.Length-(a+1));
M-&^
f_pass.Value=Request.QueryString["Psw"];
,mO(!D }
0UM@L
}L ~.PPf/
Z8] catch
bl:a&<F {
C|.$L<` Script.Alert("错误的邮箱!");
[3{:H"t Server.Transfer("index.aspx");
EO o'a }