1. 打开新的窗口并传送参数:
[.'|_l +]A:M6P:{v 传送参数:
bv9i*] response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
(Hz^)5(~ 6?mibvK 接收参数:
zRl3KjET string a = Request.QueryString("id");
[.8BTj1% string b = Request.QueryString("id1");
J^nBdofP DV+xg3\(>1 2.为按钮添加对话框
V2?=4mb Button1.Attributes.Add("onclick","return confirm(’确认?’)");
^aMg/.j button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
@+M
/& '(VJ&UlS2 3.删除表格选定记录
KRLQ #,9 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
`H_ 3Uc string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
5k3n\sqZA ?WUA`/[z 4.删除表格记录警告
Av$^ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
YTX,cj#D^& {
#*uL)2nR switch(e.Item.ItemType)
FLCexlv^ {
`PdQX.wN case ListItemType.Item :
t#/YN.@r case ListItemType.AlternatingItem :
*{@Nq=fE case ListItemType.EditItem:
RtP2]O(F TableCell myTableCell;
;|5F[ myTableCell = e.Item.Cells[14];
Un(aW=PQ0 LinkButton myDeleteButton ;
B5VKs,g myDeleteButton = (LinkButton)myTableCell.Controls[0];
mpEK (p myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
gX}8#O.K$ break;
E7 Ul;d
default:
gQelD6c break;
d(x\^z }
eRstD>r *74MWF@IY }
qu6D 5t cAqLE\h 5.点击表格行链接另一页
%2/EaaR private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
&yTqZ*Yuk {
HTcb_a //点击表格打开
S6M}WR^, if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<X^@*79m e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
g i-$ZFzB }
R)(T^V`{ V-2(?auZd 双击表格连接到另一页
j'<<4.( gNrjo= 在itemDataBind事件中
_|\~q[ep if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
m@F`!qY~Y\ {
n)e
6>R; string OrderItemID =e.item.cells[1].Text;
Y%aCMP9j~9 ...
PfD.:amN7 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
~i{(<.he }
c(E{6g? v2\FA(BPn 双击表格打开新一页
3`|@H-c9 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&|ex`nwc0 {
syj0.JD string OrderItemID =e.item.cells[1].Text;
l
-m fFN ...
w"|L:8 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
!cLo>,4 }
7\[@m3s :T$|bc ★特别注意:【?id=】 处不能为 【?id =】
r~8 $1" 6.表格超连接列传递参数
t%FwXaO# <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Zw9FJ/Zn@ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
]t,BMu=% ^Za-`8#`L 7.表格点击改变颜色
@6sqMw} if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|\t-g"~sN {
7~p@0)'' e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
b<ZIWfs this.style.color=’buttontext’;this.style.cursor=’default’;");
PO^ij2eS }
'<xXK@=KEI "ycJ:Xv49 写在DataGrid的_ItemDataBound里
P%VSAh\|n if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
({)+3]x {
mb3"U"ohs e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
|4zIfAO this.style.color=’buttontext’;this.style.cursor=’default’;");
cn3\kT* e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
su(1<S} }
rJTa F6|]4H.3Q RVmh6m 8.关于日期格式
[Ek7b* o5GcpbZ3k 日期格式设定
(@VMH !3 DataFormatString="{0:yyyy-MM-dd}"
LEf^cM=> D%Sl AzZ3 我觉得应该在itembound事件中
X-Kh(Z e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
2(+2+} ~<5!?6Yt 9.获取错误信息并到指定页面
"|
g>'wM* @%uUiP0 不要使用Response.Redirect,而应该使用Server.Transfer
@ioJ]$o7 E_wCN&`[ e.g
[ /b2=> // in global.asax
j0aXyLNX protected void Application_Error(Object sender, EventArgs e) {
lU\[aNs if (Server.GetLastError() is HttpUnhandledException)
]^7@}Ce_ Server.Transfer("MyErrorPage.aspx");
h"Q8b}$^) #L;dI@7C //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
69NeQ$]( }
{duz\k2 }C?'BRX 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
2\{M:\2o 7U"g3a)= 10.清空Cookie
itP,\k7>d Cookie.Expires=[DateTime];
=BAr .m+" Response.Cookies("UserName").Expires = 0
_8J.fT$${ p38-l'{# 11.自定义异常处理
JR21>;l#2 //自定义异常处理类
HM1Fz\Sf using System;
q~o<*W using System.Diagnostics;
:\c ^*K(9 m?}6)\ob namespace MyAppException
p27~>xQ {
P|E| $)m /// <summary>
..5CC;B /// 从系统异常类ApplicationException继承的应用程序异常处理类。
+ GN(Ug'R /// 自动将异常内容记录到Windows NT/2000的应用程序日志
]Q1yNtN /// </summary>
_6hQ %hv8 public class AppException:System.ApplicationException
;`{H!w[D {
'GWN~5 public AppException()
|aS.a&vwR {
b. '-?Nn if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
4e7-0}0 }
t%)7t9j @b%=H/5\ public AppException(string message)
k]|~>9eY] {
+@f26O7$* LogEvent(message);
lfgq=8d }
.`H5cuF` o:'MpKm public AppException(string message,Exception innerException)
Pmx-8w {
I$G['`XX/ LogEvent(message);
h7oo7AP if (innerException != null)
JPHL#sKyz {
t!l&iVWs LogEvent(innerException.Message);
^[`%&uj!g }
SKN`2[ahD }
/36:ms A G~a ZJ, //日志记录类
{}przrU^c using System;
JXQO~zj using System.Configuration;
RbnVL$c using System.Diagnostics;
i&fuSk EP using System.IO;
&6!)jIWJ using System.Text;
8dA~\a using System.Threading;
vI>w e K5h namespace MyEventLog
*?vCC+c {
<n$'voR7] /// <summary>
(%6P0* /// 事件日志记录类,提供事件日志记录支持
g$-PR37( /// <remarks>
9.-S(ZO /// 定义了4个日志记录方法 (error, warning, info, trace)
C{rcs' /// </remarks>
~ .g@hS8> /// </summary>
zC!t;*8a public class ApplicationLog
M7~2iU<# {
9cF[seE"0 /// <summary>
]%H`_8<gc /// 将错误信息记录到Win2000/NT事件日志中
>tr}|> /// <param name="message">需要记录的文本信息</param>
tDcT%D {: /// </summary>
q<|AZ2Ai public static void WriteError(String message)
tcI*a> {
(?c"$|^J WriteLog(TraceLevel.Error, message);
Rhs/3O8k }
7n<{tM !Ai@$tl[S /// <summary>
j,eo2HaL /// 将警告信息记录到Win2000/NT事件日志中
FW4<5~'
/// <param name="message">需要记录的文本信息</param>
q]-r@yF /// </summary>
b8UO,fY q public static void WriteWarning(String message)
#c!lS<z {
Ld~/u]K%V WriteLog(TraceLevel.Warning, message);
C&%_a~ }
{VRf0c CHX #^0m. /// <summary>
Wac&b /// 将提示信息记录到Win2000/NT事件日志中
0{D'n@veP /// <param name="message">需要记录的文本信息</param>
va@Lz&sAE% /// </summary>
J
ZS:MFA public static void WriteInfo(String message)
r#a=@ {
oG\Vxg* WriteLog(TraceLevel.Info, message);
S=5o
< 1 }
lL3U8}vn /// <summary>
+r2-S~f3N /// 将跟踪信息记录到Win2000/NT事件日志中
CA~-rv /// <param name="message">需要记录的文本信息</param>
?6U0PChy /// </summary>
g) jYFfGfH public static void WriteTrace(String message)
~$^XP.a. {
}Sv:`9= WriteLog(TraceLevel.Verbose, message);
Y$_B1_ }
#\OA )`U 0GeTSFj /// <summary>
usF.bkTp /// 格式化记录到事件日志的文本信息格式
TC*g|d @b /// <param name="ex">需要格式化的异常对象</param>
#*Ctwl,T /// <param name="catchInfo">异常信息标题字符串.</param>
3s#N2X;Bc /// <retvalue>
y<Ot)fa$ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
~c `l@: /// </retvalue>
57c8xk[.2 /// </summary>
UCj ld public static String FormatException(Exception ex, String catchInfo)
g($2Dk_F2 {
Iefn$ StringBuilder strBuilder = new StringBuilder();
e\L8oOk#r if (catchInfo != String.Empty)
YOO+R{4( {
?e 4/p strBuilder.Append(catchInfo).Append("\r\n");
5\nAeP }
7kEn \ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
\4fQMG return strBuilder.ToString();
.Q2V}D85 }
rey!{3U =aW9L)8D /// <summary>
$!t4r /// 实际事件日志写入方法
Km$\:Xo /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
_t^&Ah* /// <param name="messageText">要记录的文本.</param>
Dlvz) /// </summary>
s$j,9uRr private static void WriteLog(TraceLevel level, String messageText)
InI$:kJ {
<e6#lFQqK try
ckCE1e>s {
D0f] $ EventLogEntryType LogEntryType;
vFmZ<C'
) switch (level)
3bI9Zt#J%& {
es7=%!0 case TraceLevel.Error:
&oMh]Z*: LogEntryType = EventLogEntryType.Error;
"w<#^d_6 break;
R:qW;n%AF case TraceLevel.Warning:
ZN0P:== LogEntryType = EventLogEntryType.Warning;
~P-mC@C break;
w7L)'9 case TraceLevel.Info:
[nq@m c~< LogEntryType = EventLogEntryType.Information;
v]UwJz3< break;
/)O"l @ }U case TraceLevel.Verbose:
~k5W@`"W LogEntryType = EventLogEntryType.SuccessAudit;
a%0EiU break;
QMm%@zH default:
[$UI8tV LogEntryType = EventLogEntryType.SuccessAudit;
dM@1l1h/ break;
J{G?-+` }
C0Z=~Q% d<Tc7vg4|U EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
{'H(g[k //写入事件日志
]ZS
OM\} eventLog.WriteEntry(messageText, LogEntryType);
mt.))#1 Y'X%Aw;` }
e\/w' catch {} //忽略任何异常
J'r^/ }
GQ
;;bcj& } //class ApplicationLog
jebx40TA3 }
qH_Dc=~la "m>81-0 12.Panel 横向滚动,纵向自动扩展
u*9V&>o <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
(QB2T2x MolgwVd 13.回车转换成Tab
)+Pus~w <script language="javascript" for="document" event="onkeydown">
BMf@M if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
N'=gep0V@ event.keyCode=9;
fc>L K7M </script>
7G],T++N klhtKp_p onkeydown="if(event.keyCode==13) event.keyCode=9"
2X&qE}%k S [2cD:JL 14.DataGrid超级连接列
_@/8gPT*i DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
^LLzZnkcZ k9F=8q 15.DataGrid行随鼠标变色
c&Q$L } private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Eh4=ZEX {
?aMOZn? if (e.Item.ItemType!=ListItemType.Header)
d/@,@8: {
<OPArht e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
L}NSR e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
}<:}XlwT% }
/qw.p# }
,2ar7
5Va 1h5 Akq 16.模板列
vZ Lf <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
"kF g <ITEMTEMPLATE>
e96k{C`j0 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
_SkLYL!=9 </ITEMTEMPLATE>
akQ7K </ASP:TEMPLATECOLUMN>
}ad|g6i` ovV'VcUs <ASP:TEMPLATECOLUMN headertext="选中">
R G`1en <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
=g|FT <ITEMTEMPLATE>
<a+Z;> <ASP:CHECKBOX id="chkExport" runat="server" />
QmIBaMI# </ITEMTEMPLATE>
Z?z.?ar <EDITITEMTEMPLATE>
?
=+WRjF <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
E_LN]v </EDITITEMTEMPLATE>
teVM*- </ASP:TEMPLATECOLUMN>
4KrL{Z+} dgePPhj
后台代码
3+bt~J0 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
D1;QC {
<9
;!3xG //改变列的选定,实现全选或全不选。
{l>hMxij CheckBox chkExport ;
+nGAz{&@r% if( CheckAll.Checked)
Y6d@h? ht {
vr^qWn foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0ZO2#>gh$ {
Du){rVY^d chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
lw5`p,` chkExport.Checked = true;
n'w.;
q }
ReeH@.74 }
WuW^GC{7 else
g=o4Q<
#^y {
@s^-.z foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
"
2Dngw {
^Zp>G{QL{ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
L j$;:/G chkExport.Checked = false;
\nqS+on] }
G*v,GR }
}o{(S%% }
c[Zje7 @ %u5]>]M+ 17.数字格式化
Om {'1 dC4'{n|7 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
7"xd1l?zz <%#Container.DataItem("price","{0:¥#,##0.00}")%>
6S\8$ {FTqu. int i=123456;
@xZR9Z8]L string s=i.ToString("###,###.00");
RCLeA=/N@0 4v|W-h"K 18.日期格式化
u>/ TE 61
~upQaR 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
g$o&Udgs ;6hOx(>`= 显示为: 2004-8-11 19:44:28
2)~> R 1@=po)Hnp 我只想要:2004-8-11 】
!5?<% * <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
=E{`^IT'R da~],MN 应该如何改?
3{(/x1a,4 ua `RJ 【格式化日期】
NW)1#]gg% gv{ >`AN 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
j1HW._G ^y4Z+Gu[ 【日期的验证表达式】
/|&*QLy kz7(Z'pw A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
4I5Y,g{6+ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Ld-_,-n IdxzE_@ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
w)jISu;RG ^\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]))$
pcI uN ]"1DGg \A 【大小写转换】
9JKEw HttpUtility.HtmlEncode(string);
HLHz2-lI HttpUtility.HtmlDecode(string)
7})[lL`\s cPc</[x[W 19.如何设定全局变量
]]j;/TiG {2"zVt#h Global.asax中
dcWD(- xA[mm Application_Start()事件中
Q.c\/& m9}P9? 添加Application[属性名] = xxx;
w.-!UD9/.x *G9V'9 就是你的全局变量
k+l b@! 9k[9P;"F: 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
XHGFf_kW_N LB?u8>a' I HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
W'u># -;k+GrLr^ 【ASPNETMENU】点击菜单项弹出新窗口
"Os_vlapHo xFg>SJ7] 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
u,Kly<0j <?xml version="1.0" encoding="GB2312"?>
SOvF[,+ <MenuData ImagesBaseURL="images/">
dN[\xVcj <MenuGroup>
1 I",L&S1 <MenuItem Label="内参信息" URL="Infomation.aspx" >
Ef13Q]9| <MenuGroup ID="BBC">
&UlWCOo8 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
Yk Qd
<MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
eO[b1]WLP ......
(0kK_k'T @2v_pJy^ 最好将你的aspnetmenu升级到1.2版
=rX>1 IRqy%@) 21.读取DataGrid控件TextBox值
9490o:s foreach(DataGrid dgi in yourDataGrid.Items)
)TM4R)r%)9 {
3%=~)7cF TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
zT?D<XW>1 tb.Text....
DrK{}uM }
y Fq&8 x<X I ?.^ho 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?
LvYB7<zk> -!]ZMi9 〖思归〗
?p8_AL'RS <asp:TemplateColumn HeaderText="数量">
J`1rJ <ItemTemplate>
V,N%;iB} <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
t}tEvh onkeyup="javascript:DoCal()"
G?Hdq; />
~gRf:VXX=_ 4)o <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
T:W4$P </ItemTemplate>
r1RM
</asp:TemplateColumn>
S#}
KIy WVvvI9 <asp:TemplateColumn HeaderText="单价">
(7=9++uU <ItemTemplate>
%vi<Aseg <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
As<bL:>dE onkeyup="javascript:DoCal()"
| (_ />
HT1!5 A1zjPG&] <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Bo%NFB; ]~hk6kS8Q </ItemTemplate>
!0mI;~q| F </asp:TemplateColumn>
%z4Nl$\
c=.(!qdH <asp:TemplateColumn HeaderText="金额">
l0A&9g*l2 <ItemTemplate>
QGmn#]w\\ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
SS.dY""89 </ItemTemplate>
UFb)AnK </asp:TemplateColumn><script language="javascript">
/FEVmH?
function DoCal()
x5 *!Wx
{
(qulwOt~w var e = event.srcElement;
"C0Q(dr/n var row = e.parentNode.parentNode;
GYUn6P var txts = row.all.tags("INPUT");
w}cPs{Vi" if (!txts.length || txts.length < 3)
j]/RC(;? return;
fMyti$1~ oIj#>1~c% var q = txts[txts.length-3].value;
P1' al var p = txts[txts.length-2].value;
;cN{a& I83<r 9 if (isNaN(q) || isNaN(p))
scLll ,~ return;
BbS4m l3F6AlPql q = parseInt(q);
Jz
*;q~ p = parseFloat(p);
\7'{g@C( ?"g2v-jTK txts[txts.length-1].value = (q * p).toFixed(2);
JbQ) sp }
6 3,H{ </script>
I,@6J(9 >>fH{/l .gOL1`b* Y#$%iF B%+T2=&$7 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
IG9VdDj page_load
~|xA4u5LG page.smartNavigation=true
yhA6i M%;hB*9 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
v^iL5y! private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
]G< Vg5 {
9.B
KI/ for(int i=0;i<e.Item.Cells.Count-1;i++)
oc0G| if(e.Item.ItemType==ListItemType.EditType)
A` o8'+`C {
PGV/ h e.Item.Cells.Attributes.Add("Width", "80px")
qE3UO<FA }
oJ|j#+Ft }
SPmq4 eb"5-0 26.对话框
Z lzjVU/E private static string ScriptBegin = "<script language=\"JavaScript\">";
ptxbDzOz private static string ScriptEnd = "</script>";
JKGe" Jd^,] public static void ConfirmMessageBox(string PageTarget,string Content)
yT9@!]^L {
%
0+j?>#X string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
1gN=-AC !LN?PKJ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
s'J:f$flS b9<#K+L- Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
'AEE[
ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
6wECo //Response.Write(strScript);
?\s+EE&- }
!Bq3Z?xA} @>>~CZ`l 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
bsA-2*Q+ 3/W'V,5G6 1.1 取当前年月日时分秒
3c6b6 currentTime=System.DateTime.Now;
4s{~r (uZ&V7l 1.2 取当前年
wLJ:\_Jaf int 年= DateTime.Now.Year;
"J8vjr1/ 0Bi.6r 1.3 取当前月
e 5*hE int 月= DateTime.Now.Month;
7f!YoW;1 ^mO~W!" 1.4 取当前日
V"G*N<q int 日= DateTime.Now.Day;
>DZw E+g@M8D 1.5 取当前时
E3gh?6 int 时= DateTime.Now.Hour;
Tl[!=S v4c[(& 1.6 取当前分
P?B;_W+~A. int 分= DateTime.Now.Minute;
=Bhe'.]QSx fd<:_f]v 1.7 取当前秒
'yG4
LF int 秒= DateTime.Now.Second;
64G[|" j D k" PayyAC 1.8 取当前毫秒
5T2CISmu int 毫秒= DateTime.Now.Millisecond;
``\i58K{e #
,_u_'C*! 28.自定义分页代码:
,-d0b0 /-+xQn] 先定义变量 :
]cZ!y
~ public static int pageCount; //总页面数
> $7v
;Q public static int curPageIndex=1; //当前页面
f"SD/]q- m\r@@! 下一页:
![_*(8v}S if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
T)TfB( {
6BbGA*%{ DataGrid1.CurrentPageIndex += 1;
|G,tlchprs curPageIndex+=1;
QoIT*! }
wFsyD3 ';jYOVe bind(); // DataGrid1数据绑定函数
>TnTnF WX Be=u&T:~ 上一页:
^N;.cY if(DataGrid1.CurrentPageIndex >0)
TNY&asQo {
GyIT{M}KV DataGrid1.CurrentPageIndex += 1;
*|C^=*j9 curPageIndex-=1;
T;y>>_, }
Hmd]
FC,_ b#toM';T bind(); // DataGrid1数据绑定函数
X#TQ_T" lG!|{z7+0 直接页面跳转:
B!_mC<*4`X int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
(#Gw1 ?DQsc9y if(a<DataGrid1.PageCount)
2s&* {
J^}V|# this.DataGrid1.CurrentPageIndex=a;
+)<wDDC_ }
,t9^j3Ixg y 4I6 bind();
:'3XAntZA X=!^] 3zH 29.DataGrid使用:
G{ sOR gVv>9W(' 添加删除确认:
SmdjyK1~8 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=`:K{loxq {
1V4s<m># foreach(DataGridItem di in this.DataGrid1.Items)
-tHU6s, {
.
Z.)t if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
MgOR2,cR {
YY)s p% ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
S=<}:#;u0 }
A3no~)wZn }
l(u.I2^o }
*`\Pr XY)&}u. 样式交替:
K/b_22]CC ListItemType itemType = e.Item.ItemType;
;"fDUY| eg?<mKrZ if (itemType == ListItemType.Item )
Hl/
QnI! {
d + / &?3 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
wNtx]t_M e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
c5l.B#-lY }
{VvqO7 A else if( itemType == ListItemType.AlternatingItem)
cU@SIJ) {
[}/LD3 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
u7\J\r4,+ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
/#-C4"| }
R)z4n 7X q,z 添加一个编号列:
#Jn_c0 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
p|jV{P DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Wi2WRJdyu ,^;)<[ for(int i=0;i<dt.Rows.Count;i++)
=aA+~/~8% {
=aj/,Q] dt.Rows["number"]=(i+1).ToString();
KgOqbSJ }
65p?Igb B}?5]N==] DataGrid1.DataSource=dt;
C>$E%=h+_ DataGrid1.DataBind();
e7(ucE Vf'd*-_!Q< DataGrid1中添加一个CheckBox,页面中添加一个全选框
Jd(,/q private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
m~Bl*`~M {
j>x-"9N foreach(DataGridItem thisitem in DataGrid1.Items)
_$f9]bab {
{Jx4xpvPo ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
r77PQQDT }
8`
@G; o }
/.i.TQ] Y$Y_fjd_ 将当前页面中DataGrid1显示的数据全部删除
O.Iu6D foreach(DataGridItem thisitem in DataGrid1.Items)
CkD#/
{
D
<&X_ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
2eC(Ijq[a {
mG`e3X6@- string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
'|*?*6q Del (strloginid); //删除函数
&S]@Ot<z }
DrBUe'RH:M }
%]6~Eq%s ,0~9dS 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)
IWveW8qJ ?(m
jx 在Application_Start中添加以下代码:
\&3"<6xA Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
9,_mS{+B AppSettings["ConnStr"].ToString();
B`o]*"xkB E V^~eTz 31. 变量.ToString()
C2xL1` vRxM4O~" 字符型转换 转为字符串
(_*5oj- 12345.ToString("n"); //生成 12,345.00
X*Dj[TD] 12345.ToString("C"); //生成 ¥12,345.00
s^|.Zr;,> 12345.ToString("e"); //生成 1.234500e+004
H_Kj7(=&> 12345.ToString("f4"); //生成 12345.0000
?wF'<kEH 12345.ToString("x"); //生成 3039 (16进制)
|),'9 12345.ToString("p"); //生成 1,234,500.00%
!F4@KAv 6"t;gSt4 32、变量.Substring(参数1,参数2);
L%$|^T=% f{i8w!O"~ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
UH>F|3"d a/U2xq{x 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
PN<C=gAe <SCRIPT language="javascript">
a9Z%JS] <!--
Ppt2A6W function gook(pws)
80 Y\|) {
<~X >[PK< frm.submit();
gEhN3( }
@]c(V%x //-->
-0Tnh;&= M- 2Tz[ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
ls `,EFF <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
XfE -fH1j <tr>
`#QG6/0 <td>
6XJ[h <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
}^*F59>H <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
qdG~!h7j <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
d90Z,nex 7GSV <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
G #T<`>T <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
o/
mF# :BukUket1e </td>
he -Ji +"}=d3E6 </tr>
q4$+H{xB F3lw@b3]) </form>
xc:!cA{V -;XKcS7Ue 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。
pdb1GDl0q CGP3qHrXt 下面是获取用户输入的登陆信息的代码:
Bo+DJizu string name;
_l],
"[d name=Request.QueryString["EmailName"];
a=$t &7;, gx:;&4AD try
lvpc*d|K {
X$\i{p9jw int a=name.IndexOf("@",0,name.Length);
bo=ZM9 f_user.Value=name.Substring(0,a);
hv$m4,0WB f_domain.Value=name.Substring(a+1,name.Length-(a+1));
f8<o8*`7 f_pass.Value=Request.QueryString["Psw"];
R%H$%cnj }
%F9{EXJy ph|ZG6: catch
Ei3zBS?J) {
ia{c Script.Alert("错误的邮箱!");
vNOH&ja-s Server.Transfer("index.aspx");
qxMnp}O }