1. 打开新的窗口并传送参数:
3=xN)j#B X) xeq
传送参数:
1wM~),B8 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
E)utrO R a+ lGN 接收参数:
_h8|shyP string a = Request.QueryString("id");
]Geg;[t string b = Request.QueryString("id1");
@Xj6h!"R x72T5. 2.为按钮添加对话框
$@Kwsoh' Button1.Attributes.Add("onclick","return confirm(’确认?’)");
W]=$0' button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Y>2kOE Yl0_?.1 z 3.删除表格选定记录
F{"4cyoou int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
"$rmy>d string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
<WRrB
`nO 5Cjh%rj(jl 4.删除表格记录警告
>7I"_#x1: private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
A/w7( {
y ZR\(\?< switch(e.Item.ItemType)
?0k4l8R {
lzup! `g case ListItemType.Item :
TuX9:Q case ListItemType.AlternatingItem :
Rt2<F-gY case ListItemType.EditItem:
k9vzxZ%s: TableCell myTableCell;
m6^n8% myTableCell = e.Item.Cells[14];
<maYS2 LinkButton myDeleteButton ;
TW5Pt{X=f myDeleteButton = (LinkButton)myTableCell.Controls[0];
N9=1<{Z myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
kcN#g-0 break;
z*B-`i. default:
F>/"If# break;
b'$fr6"O1 }
p`2w\P3;) oVYW'~OID }
, UiA?7k =9y&j-F 5.点击表格行链接另一页
5x/LHsr=m private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
rf]'VJg#3 {
?A`8c R=)I //点击表格打开
yITL;dBy if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
U9eb&nd e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
aokV'6 }
U+wfq%Fz $F/Uk;*d! 双击表格连接到另一页
yTwtGo& 0$A7"^] 在itemDataBind事件中
A-om?$7 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?'I pR {
n+9rx]W, string OrderItemID =e.item.cells[1].Text;
-K*&I! ...
!au%D?w e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
N497"H</ }
I`
+%ab qGrUS_~q* 双击表格打开新一页
s%l`XW;v if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
5`H.{4@ {
!H/5Ud9 string OrderItemID =e.item.cells[1].Text;
bIP%xl
Vp ...
$:D-dUr1 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
rI.CCPY~s }
>y{oC5S L92vb zP ★特别注意:【?id=】 处不能为 【?id =】
D3xyJ 6.表格超连接列传递参数
Q@w=Jt< <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Tj
v)jD <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
]mSkjKw t],5{UF 7.表格点击改变颜色
jNu`umS if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Lx#CFrLQ* {
.R5(k'g? e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
LOX} this.style.color=’buttontext’;this.style.cursor=’default’;");
/_.1f|{B }
?f'iS#XL mX&!/U 写在DataGrid的_ItemDataBound里
vS'l@`Eg] if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
t`oH7)nut {
q@0g KC&U e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Zm+QhnY| this.style.color=’buttontext’;this.style.cursor=’default’;");
M'-Z" e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
`_Fxb@"R }
z3l(4W P u/>+cT6} NGq@x%T 8.关于日期格式
lz>>{ )E>nr
Z 日期格式设定
~D1&CT#s DataFormatString="{0:yyyy-MM-dd}"
K 0Gm ?( 6Ud6F t6 我觉得应该在itembound事件中
[ 30ta<- e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
yZcnky lZ>j:/R8^& 9.获取错误信息并到指定页面
ngI3.v/R cypb6Q_ 不要使用Response.Redirect,而应该使用Server.Transfer
S2,tv [oS4WP e.g
v|
Yh]y // in global.asax
{Ne5*HFV protected void Application_Error(Object sender, EventArgs e) {
L2<IG)oXU if (Server.GetLastError() is HttpUnhandledException)
HBp$
Server.Transfer("MyErrorPage.aspx");
:N>n1tHL;A zPn2 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
q\]"}M8 }
!)-)*T g;mX {p_@ 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
A8oTcX_ o<Y[GW1pg 10.清空Cookie
:HW\awv Cookie.Expires=[DateTime];
PPMAj@B}V Response.Cookies("UserName").Expires = 0
Wkj0z]]? x?rn<= 11.自定义异常处理
2.PZtl //自定义异常处理类
OLs<]0H
using System;
K);)$8K using System.Diagnostics;
3GVS-? yhG%@vSq namespace MyAppException
odsLFU( {
,6AnuA /// <summary>
U *K6FWqiB /// 从系统异常类ApplicationException继承的应用程序异常处理类。
V AnP3: /// 自动将异常内容记录到Windows NT/2000的应用程序日志
-~=?g9fGm6 /// </summary>
(T 8In public class AppException:System.ApplicationException
_-c1" Kl {
6haw\ * public AppException()
Ygs:Ox"[-G {
JcJc&cG if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
up==g }
PL|zm5923 &@ [pJ2 public AppException(string message)
nBkzNb{"AZ {
LTlbrB LogEvent(message);
tQWjNP~ }
tB{HH%cV =V>inH public AppException(string message,Exception innerException)
)&vuT
q'7' {
e<+$E%"7hS LogEvent(message);
Rx,5?*b$ if (innerException != null)
g)L<xN8 {
[M/0 Qx[, LogEvent(innerException.Message);
f(UB$^4 }
^{{0ajI9C }
U
ljWBd "[
#. //日志记录类
cJLAP%.L using System;
s8V:;$ ! using System.Configuration;
/mG-g%gE using System.Diagnostics;
u?7^+z using System.IO;
G<M9 6V using System.Text;
u8r<B4k using System.Threading;
B]#^&89wG) F_d>@-< namespace MyEventLog
WG]`Sy {
7xh91EU:4 /// <summary>
U%r|hn3 /// 事件日志记录类,提供事件日志记录支持
!%Bhg? /// <remarks>
<i~=-Z( /// 定义了4个日志记录方法 (error, warning, info, trace)
!D|c2
/// </remarks>
6]NaP_\0 /// </summary>
rd1EA|T public class ApplicationLog
T%]@R4z#q {
L}= t"y /// <summary>
6`WI
S4 /// 将错误信息记录到Win2000/NT事件日志中
Mi)h<lY /// <param name="message">需要记录的文本信息</param>
8DGPA /// </summary>
r)|6H"n#]S public static void WriteError(String message)
8e"MP\0V
{
1YScZ WriteLog(TraceLevel.Error, message);
SQT]' }
g#lMT% kca#ssN /// <summary>
/*e6('9s /// 将警告信息记录到Win2000/NT事件日志中
%;,4q B
/// <param name="message">需要记录的文本信息</param>
7* R
%zJ /// </summary>
fLg
:+Ue<B public static void WriteWarning(String message)
&fe67#0r) {
>XPR)&t WriteLog(TraceLevel.Warning, message);
?
J/NYV }
G#YBfPmr 9c{T|+] /// <summary>
q+ 2v9K@ /// 将提示信息记录到Win2000/NT事件日志中
BG_6$9y /// <param name="message">需要记录的文本信息</param>
]]9VI0
/// </summary>
W4q
|55 public static void WriteInfo(String message)
QB"+B]rV {
Ij2Th] WriteLog(TraceLevel.Info, message);
a"m-&mN }
]jSRO30H3< /// <summary>
j~Mx^ivwj /// 将跟踪信息记录到Win2000/NT事件日志中
*:?XbtIK u /// <param name="message">需要记录的文本信息</param>
`_e5pW=:> /// </summary>
2$b JMx> public static void WriteTrace(String message)
[L=M=;{4 {
@k9n 0Qe|F WriteLog(TraceLevel.Verbose, message);
"Pl.G[Buc- }
U;#G$ ($Q|9>5, /// <summary>
[&pMU) /// 格式化记录到事件日志的文本信息格式
HdRwDW@7= /// <param name="ex">需要格式化的异常对象</param>
#xh
M&X /// <param name="catchInfo">异常信息标题字符串.</param>
cb }OjM F /// <retvalue>
&2r[4 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
+zf`_1+)U /// </retvalue>
E&dxM{` /// </summary>
rN'8,CV public static String FormatException(Exception ex, String catchInfo)
8&SWQ {
Q})&c.L StringBuilder strBuilder = new StringBuilder();
QYps5zcn if (catchInfo != String.Empty)
tuJ{IF {
kTA4!654 strBuilder.Append(catchInfo).Append("\r\n");
%wco)2 }
y#FFxSH> strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
%-<6Z9otc return strBuilder.ToString();
rP IAu[],g }
nh? JiH
{ X*M2 O%g`L /// <summary>
kGu{[Rh /// 实际事件日志写入方法
C8%MKNPd /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
,V[|c$ /// <param name="messageText">要记录的文本.</param>
]fSpG\yU /// </summary>
vr4{|5M private static void WriteLog(TraceLevel level, String messageText)
U~w8yMxX {
KGGJ\r6 try
$!^C|,CS {
<B!DwMk;. EventLogEntryType LogEntryType;
NH4T*R)Vz switch (level)
U6#9W}CE {
%WPyc%I case TraceLevel.Error:
;Kh?iqn^ LogEntryType = EventLogEntryType.Error;
qfqL"G break;
8x-(7[#e<g case TraceLevel.Warning:
j!"5,~ LogEntryType = EventLogEntryType.Warning;
Y8c,+D,Ww break;
[8&+4< case TraceLevel.Info:
Y*sw;2Z;a LogEntryType = EventLogEntryType.Information;
6Zx5^f(qd break;
~-UO^$M- case TraceLevel.Verbose:
h:i FLS f LogEntryType = EventLogEntryType.SuccessAudit;
&t6:1 T break;
ji<(}d~L* default:
:mhO/Bx LogEntryType = EventLogEntryType.SuccessAudit;
N]-skz<v break;
sF3@7~m4 }
e.W <pI, ,[<$X{9 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
-/:K.SY, //写入事件日志
QZJnb%] eventLog.WriteEntry(messageText, LogEntryType);
KE-0/m4yJ )hC3'B/[Y }
e/x6{~ju^N catch {} //忽略任何异常
mV+9*or }
lUdk^7:M } //class ApplicationLog
tT+W>oA/M }
^%0^DN N*+WGsxl$z 12.Panel 横向滚动,纵向自动扩展
`VF_rC[? <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
yb,$UT"] i(kx'ua? 13.回车转换成Tab
<o/l K\> <script language="javascript" for="document" event="onkeydown">
Vi>P =i if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
FiSx"o event.keyCode=9;
&?5me:aU </script>
Mkr
&30il[ +No` 89Y onkeydown="if(event.keyCode==13) event.keyCode=9"
{^k7}`7, o#>Mf464I
14.DataGrid超级连接列
l| y.6v DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
WJk3*$=
WJ,? 5# 15.DataGrid行随鼠标变色
m'M5O@? private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
p_vldTIW {
>">Xd@Wk if (e.Item.ItemType!=ListItemType.Header)
d[Zx [=h {
f4VdH#eng` e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
/PbMt e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
@$nh6l>i }
z]D/Qr }
ZQn>+c2%! BAi`{?z$< 16.模板列
+S'm<}"1 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
8_pyfb <ITEMTEMPLATE>
nJ$2RN <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
TpI8mDO\W </ITEMTEMPLATE>
C-g,uARX(r </ASP:TEMPLATECOLUMN>
Z<QNzJ D pH(X;OC9S <ASP:TEMPLATECOLUMN headertext="选中">
.hUlI3z9 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
,3!TyQ\m' <ITEMTEMPLATE>
%:j`%F;R <ASP:CHECKBOX id="chkExport" runat="server" />
""Oir!4 </ITEMTEMPLATE>
9W,%[ <EDITITEMTEMPLATE>
j&
ykce <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
h!Y##_&&4 </EDITITEMTEMPLATE>
3i\Np = </ASP:TEMPLATECOLUMN>
9|Ylv:sR |nm}E_ 后台代码
(xKypc+j protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Wf-XH|j[ {
\.>7w 1p //改变列的选定,实现全选或全不选。
zF|c3ap CheckBox chkExport ;
iP@FXJJ if( CheckAll.Checked)
,v`03?8l( {
E~VV19Bv]/ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
]68FGH {
.jiJgUa7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
] ^?w0A chkExport.Checked = true;
*!E~4z= }
%m
[l/,2x }
bdfs'udt9 else
R0mkEM {
lr?SL\D foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
2R,8q0qR: {
X|D-[|P chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
7SNdC8GZ~ chkExport.Checked = false;
lBm`W]3T }
3,2$Ny3N }
w'XN<RWA }
j\zlp Z9|A"[b 17.数字格式化
s0:M'wA 9JX@ck 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
7GS4gSd3 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
1hSV/%v_ Z>3m-:-e int i=123456;
1.PN_9% string s=i.ToString("###,###.00");
?\(qA+iP0 m*YfbOhs# 18.日期格式化
,k*%=TF7N FBvh7D.hV 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
\S1W,H| sKJr34 显示为: 2004-8-11 19:44:28
0-;>O|U3 =vvd)og 我只想要:2004-8-11 】
lrL:G[rt <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
(h=]Ox /W .G-|: 应该如何改?
5#s],h ^q#[oO 【格式化日期】
]mz '(t l)~U8 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
2`j{n\/ E'98JZ5ga 【日期的验证表达式】
(y~%6o6 ob'"
^LO\ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
<QC7HR ^((\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})))?$
uPapINj `M{Ne:J B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
t\'MB ^\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]))$
[@JK|50|K OU}eTc(FeC 【大小写转换】
DVMdRfA HttpUtility.HtmlEncode(string);
t;/uRN*. HttpUtility.HtmlDecode(string)
<m\<yZ2aa mBb3Ta 19.如何设定全局变量
iH@u3[w nnvS.s`O Global.asax中
!]Qk?T~9- %NJ0Y(:9( Application_Start()事件中
J/:U,01 'o4`GkNh) 添加Application[属性名] = xxx;
oylQCbT :zq Un&k& 就是你的全局变量
5f?GSHA} *W`7JL, 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
uv8kea .( u[PG/ploc HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
aXG|IN5 *m JM?__b7g2 【ASPNETMENU】点击菜单项弹出新窗口
aG#d41O VzIZT{ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
\8m9^Z7IfK <?xml version="1.0" encoding="GB2312"?>
8x LXXB <MenuData ImagesBaseURL="images/">
x}Lj|U$r<X <MenuGroup>
pZlt4 <MenuItem Label="内参信息" URL="Infomation.aspx" >
]z8/S!? <MenuGroup ID="BBC">
Yw]$/oP` <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
6R^32VeK($ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
nw, .I [ ......
jDTG15_= {dh,sbl 最好将你的aspnetmenu升级到1.2版
<66%(J> TC44*BHq 21.读取DataGrid控件TextBox值
j|`lOH8 foreach(DataGrid dgi in yourDataGrid.Items)
7SH3k=x {
&-p~UZy TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
nTGZ2C)c<' tb.Text....
DpeJx }
FG+pR8aA$ db8vm4 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?
^Y;,cLXJ 1gcWw, / 〖思归〗
6-tIe_5 <asp:TemplateColumn HeaderText="数量">
zPybPE8 <ItemTemplate>
HeO&p@ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
RticGQy&5 onkeyup="javascript:DoCal()"
5h^BXX|Y* />
1?^
P=^8 Ejr'Yzl3_ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
/kK!xe </ItemTemplate>
q~5zv4NX </asp:TemplateColumn>
bZ:+q1
D *PV7s <asp:TemplateColumn HeaderText="单价">
(V&d:tW <ItemTemplate>
9}a$0H
h <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
]\A=[T^ onkeyup="javascript:DoCal()"
zVf79UrK />
S]|sKY rc<Ix <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
d4ld-y tKcC{ </ItemTemplate>
}CMGK{ </asp:TemplateColumn>
ZzTkEz > zh0T3U0D <asp:TemplateColumn HeaderText="金额">
<2%9O;bV[ <ItemTemplate>
F[%k;aJ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
\P9ms?((A </ItemTemplate>
=)c-Xz </asp:TemplateColumn><script language="javascript">
_?cum~A@ function DoCal()
3.hFYA w {
^BRqsVw9 var e = event.srcElement;
mDZA\P_ var row = e.parentNode.parentNode;
q m_m8 var txts = row.all.tags("INPUT");
)*XWe|H_ if (!txts.length || txts.length < 3)
?PTXgIC return;
k'N``. S ~h*U2 var q = txts[txts.length-3].value;
nK+ke)'Zv= var p = txts[txts.length-2].value;
,ayJgAD 2gkN\w6zQ if (isNaN(q) || isNaN(p))
r-!Qw1 return;
\,X)!%6kZ (`E`xb@E,= q = parseInt(q);
+
jeOZ p = parseFloat(p);
E@xrn+L>- &fWC-| txts[txts.length-1].value = (q * p).toFixed(2);
i^iu#WC }
4k3pm& </script>
$oM>?h_= |ka/5o 1W\wIj. ^VG].6 1P1h);*Z 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。
EmrkaV-?k page_load
W^xO/xu1/ page.smartNavigation=true
[xrsa!$ ^xNzppz`]C 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 ?
[
't.x= private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
yhbU;qEG9 {
Jq(;BJ90R for(int i=0;i<e.Item.Cells.Count-1;i++)
5Rs#{9YE if(e.Item.ItemType==ListItemType.EditType)
N[\J#x!U {
czu9a"M>X e.Item.Cells.Attributes.Add("Width", "80px")
SpU|Q1Q/h }
:Z2997@Y }
@#N7M2/ 3Og}_ 26.对话框
;n*|AL7( private static string ScriptBegin = "<script language=\"JavaScript\">";
sF[gjeIb private static string ScriptEnd = "</script>";
X])iQyN Nb
!i_@m%s public static void ConfirmMessageBox(string PageTarget,string Content)
U?{oxy_[ 2 {
v6=%KXSF string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
o8<~zeI KN657 |f ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
'NCqI Gds(.]_ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
[?9 `x-Q ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
,lvG5B\0 //Response.Write(strScript);
:2==7u7v? }
^t7u4w! ]>Z9K@ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
||wi4TP BLaNS4e 1.1 取当前年月日时分秒
n-jPb064 currentTime=System.DateTime.Now;
,vf#e=Z 'm6bfS^T 1.2 取当前年
Lp(`m=;O int 年= DateTime.Now.Year;
hbvcIGaT Nr$78] o9 1.3 取当前月
R_+:nCB@, int 月= DateTime.Now.Month;
;UpJ_y)n8\ GwP!:p| 1.4 取当前日
'/03m\7 int 日= DateTime.Now.Day;
snfFRc(RE d|Wqx7t]P 1.5 取当前时
zz(|V int 时= DateTime.Now.Hour;
RnRUJNlaG ak|
VnNa] 1.6 取当前分
K/N{F\ int 分= DateTime.Now.Minute;
=:w,wI. F_R\ 1.7 取当前秒
&@CUxK int 秒= DateTime.Now.Second;
j|Vl\Z&o) Xy K, 1.8 取当前毫秒
kw2yb int 毫秒= DateTime.Now.Millisecond;
M$@~|pQ< 5m0lk|` 28.自定义分页代码:
1~~GF_l? a$Ud" 先定义变量 :
?K:\WW public static int pageCount; //总页面数
0ElEaH1z public static int curPageIndex=1; //当前页面
-`\^_nVC {'M/wT)FeC 下一页:
YQHpW>z if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
^c}3o|1m( {
N1c0>{ DataGrid1.CurrentPageIndex += 1;
GfK%UZ$C curPageIndex+=1;
`f&::>5tD }
a*X{hU9P g3[-[G^5 bind(); // DataGrid1数据绑定函数
S g1[p#U SZr c-f_ 上一页:
^ }5KM87 if(DataGrid1.CurrentPageIndex >0)
fu~iF {
f9>pMfi:@ DataGrid1.CurrentPageIndex += 1;
yBs-bp"- curPageIndex-=1;
WLj]EsA. }
[@VzpVhXz G[ #R 1' bind(); // DataGrid1数据绑定函数
SS`\_@ci ^1Fzs(#. 直接页面跳转:
,qp8Rg|3j int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
3]JJCaf ."BXA8c;A if(a<DataGrid1.PageCount)
juF=ZW%i {
5&EBUl} this.DataGrid1.CurrentPageIndex=a;
3$YbEl@# }
+VW8{=$ ,T
zlW\?\ bind();
I|&DXF T|BlFJ0" 29.DataGrid使用:
-A<@Pg 7"aN7Q+EbI 添加删除确认:
A+dx7anUz private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@#W4?L*D
{
_)= e`9% foreach(DataGridItem di in this.DataGrid1.Items)
mCg^Y)Q {
,@;|+C if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
4<UAT|L^` {
qCrpc= ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
lv!j }
T>(X`( }
v8 =#1YB; }
vO9=CCxvq l%mp49< 样式交替:
>S }X)4 ListItemType itemType = e.Item.ItemType;
hwe6@T.# 7Rtjm if (itemType == ListItemType.Item )
6g#yzex {
7.G"U e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
SODHn9) e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
.,qh,m\Fo }
"y7\F9 else if( itemType == ListItemType.AlternatingItem)
%`5K8eB {
9"S iHp\) e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
e&i`/m5 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
! })Y9oZc8 }
-:=m-3*Tg )_j(NX-C: 添加一个编号列:
Wm"#"l4 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
fCY??su*
DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
"dt}k$Gr nPI$<yW7F for(int i=0;i<dt.Rows.Count;i++)
N3#^Ifn[ {
3D@3jyo: dt.Rows["number"]=(i+1).ToString();
c9jS
!uDMK }
#0h}{y
E
a)r["*bTx DataGrid1.DataSource=dt;
A*+gWn,4Y_ DataGrid1.DataBind();
[6g$;SicT 4Lk<5Ho DataGrid1中添加一个CheckBox,页面中添加一个全选框
Dl0{pGK~ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Z~94<*LEp {
fNx!'{o" foreach(DataGridItem thisitem in DataGrid1.Items)
~V ?z!3r-) {
]CcRI|g} ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
_\k?uUo&,^ }
;!
?l8R }
85dC6wI4K J"E _i] 将当前页面中DataGrid1显示的数据全部删除
^.@%n1I"5y foreach(DataGridItem thisitem in DataGrid1.Items)
MRo_An+ {
j`@`M*)GB if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
vdUKIP
=|_ {
.UX4p
= string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
kUGFg{" Del (strloginid); //删除函数
GL9'dL| }
d#d&CJAfr }
7>MG8pf3a
2o[ceEg 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
gx^!&>eIb# w]h8KNt 在Application_Start中添加以下代码:
&J9 + 5L8 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
32aI0CT AppSettings["ConnStr"].ToString();
Xe:^<$z !9r%d8!z 31. 变量.ToString()
H2[0@|<< fH9"sBiO 字符型转换 转为字符串
Ex]Ku 12345.ToString("n"); //生成 12,345.00
:'q$emtY 12345.ToString("C"); //生成 ¥12,345.00
4/*@cW 12345.ToString("e"); //生成 1.234500e+004
|%XcI3@* 12345.ToString("f4"); //生成 12345.0000
}JQy&V% 12345.ToString("x"); //生成 3039 (16进制)
b[:m[^ 12345.ToString("p"); //生成 1,234,500.00%
7p!f+\kM C`qV+pV 32、变量.Substring(参数1,参数2);
b=sY%(2s r~QE}00@^ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
HWFTI /] t&x\@p9 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
G"(aoy,
co <SCRIPT language="javascript">
W<^t2 j' <!--
*6u2c%^ function gook(pws)
znWB.H {
TT3GGHR frm.submit();
PvW4%A@0 }
+CSv@ />3 //-->
gWj r|m< lJfk4 -;M </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
*a8 <cf <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
4DL2
A;T <tr>
a0A=R5_ <td>
* Z)j"i <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
4|Y1W}!0/ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
1Lje.%(E. <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
dS Tyx#o ~9k E. <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
^ ~1QA <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
s%vy^x29 qW4\t </td>
>Sw?F& (s|WmSQ </tr>
oy[ px9Wx 16@<G </form>
F+BCzsm7$ @}PX:*c 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。
eAP
8! z"QtP[_m 下面是获取用户输入的登陆信息的代码:
uxKO" string name;
Z'5&N5hx name=Request.QueryString["EmailName"];
s7:_!Nd@8 y>h9:q| try
pNQ7uy {
|Go$z3bx int a=name.IndexOf("@",0,name.Length);
s]A8C^;c f_user.Value=name.Substring(0,a);
[%6) f_domain.Value=name.Substring(a+1,name.Length-(a+1));
pH3\X
cn f_pass.Value=Request.QueryString["Psw"];
w03Ur4>T }
WH7UJCQ {LA?v& b' catch
a!u5}[{ {
Rq?t=7fX) Script.Alert("错误的邮箱!");
H!"TS-s` Server.Transfer("index.aspx");
g$Vr9MH }