1. 打开新的窗口并传送参数:
l`fjz-eE fMI4'.Od 传送参数:
:!'aP\uE response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Tld%NE xgnt)&7T 接收参数:
doVBV Tk^ string a = Request.QueryString("id");
ZGe+w]( string b = Request.QueryString("id1");
97NF*-)N wp$CJ09f* 2.为按钮添加对话框
asmMl9)(` Button1.Attributes.Add("onclick","return confirm(’确认?’)");
(X QgOR# button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
9bq#&~+ a]BnHLx 3.删除表格选定记录
9Clddjf?c int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
srO{Ci0 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
_(TavL>l
= |:L<Ko 4.删除表格记录警告
fp|b@ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Z"]
ben {
l7
j3;Ly switch(e.Item.ItemType)
KYu3dC'/,& {
N9Y,%lQ|B8 case ListItemType.Item :
o_vK4%y( case ListItemType.AlternatingItem :
o[!]xmj case ListItemType.EditItem:
|9{l8`9}_ TableCell myTableCell;
218ZUg -a myTableCell = e.Item.Cells[14];
(Lo<3a-] LinkButton myDeleteButton ;
\[%[`m myDeleteButton = (LinkButton)myTableCell.Controls[0];
+^1HtI|y myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
;.'2ZNt2 break;
:S{[^-" default:
0<Vw0%! break;
v@&&5J| }
xoA\^AA ~^UQw?; }
?tQUZO Xd!=1:: 5.点击表格行链接另一页
TWK(vEDM private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
B!jT@b{ {
r2]:'O6 //点击表格打开
dUk^DI,:l if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
A?06fo, e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
&$ia#j{l }
LBk1Qw}- LZqx6~]O 双击表格连接到另一页
XwOj`N{!H KcF2}+iM 在itemDataBind事件中
7N+No.vR. if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
SuMK=^>% {
,ic.b
@u1 string OrderItemID =e.item.cells[1].Text;
~Yv"= ...
}b~;x6 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Wo<zvut8 }
-\:pbR fT!n*;h 双击表格打开新一页
?_3K]i1IS if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
cxFfAk\,en {
,9^wKS!7$ string OrderItemID =e.item.cells[1].Text;
CTv-$7# ...
9He>F7J:p' e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
ExqI=k`Zs }
CaX&T2( mWZoo/xtT ★特别注意:【?id=】 处不能为 【?id =】
E)|fKds
6.表格超连接列传递参数
IKb 7#Ut <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
KGS=(z <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
'KMyaEh.u V7.xKmB 7.表格点击改变颜色
Dtl381F J if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
,~`R{,N` {
ZMQSy7 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
GxL5yeN@( this.style.color=’buttontext’;this.style.cursor=’default’;");
`{s:lf }
EtK,C~C}8 !run3ip`Z 写在DataGrid的_ItemDataBound里
tJy6\~ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
P(8zJk6h), {
@jAuSBy e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
i{?uIb B this.style.color=’buttontext’;this.style.cursor=’default’;");
^P
>; % e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
%Ak"d+OH4 }
S-Mn 2JwR?<n{ T},Nqt< 8.关于日期格式
eL[BH8l USy^Y?~; 日期格式设定
jXB<"bw DataFormatString="{0:yyyy-MM-dd}"
H]K(`)y}4 2uu"0Rm% 我觉得应该在itembound事件中
rTT Uhd e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
N
'2Nv uA dgR 9.获取错误信息并到指定页面
i9+(gX(t NCbn<ojb 不要使用Response.Redirect,而应该使用Server.Transfer
}a6tG |fkz=*rn e.g
Hz&a~ // in global.asax
6a51bj!f protected void Application_Error(Object sender, EventArgs e) {
^cB83%<Z if (Server.GetLastError() is HttpUnhandledException)
*P]FX-D3 Server.Transfer("MyErrorPage.aspx");
CqOvVv B%QvFxZz //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
J24<X9b }
musZCg$ v#J2yg 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
U[1Rw6 KfD=3h= 10.清空Cookie
P0,@#M& Cookie.Expires=[DateTime];
aGY R:jR$ Response.Cookies("UserName").Expires = 0
l0N~mes _{0'3tI7 11.自定义异常处理
6wK>SW)#&j //自定义异常处理类
tGv5pe*r using System;
I(!i"b9 using System.Diagnostics;
I~ Q2jg2 =E?kxf[X namespace MyAppException
IJ >qs8 {
yh~*Kt]9Ya /// <summary>
c&4EO| /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Q{FK_Mv< /// 自动将异常内容记录到Windows NT/2000的应用程序日志
L[;U
Z)V@ /// </summary>
*l\wl @{ public class AppException:System.ApplicationException
;pn*|Bsq {
/,#HGu]q' public AppException()
+ZOjbI) {
5qZebD2a if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
lsJl+%&8 }
pK/r{/>r o3C7JG public AppException(string message)
|qe[`x;
% {
0m8mHJ<& LogEvent(message);
oY)xXx }
/Mq9~oC k2]fUP public AppException(string message,Exception innerException)
*nZe|)m {
l;F\s&^ LogEvent(message);
3(?V!y{@ if (innerException != null)
H{ yUKZH* {
jd>ug=~x LogEvent(innerException.Message);
v/ $~ifY" }
{nQ?+o3 }
zoh%^8?o o;w5;TkY //日志记录类
OO$YwOKS using System;
M{(g"ha using System.Configuration;
jg)+]r/hS using System.Diagnostics;
[Q0n-b,Q using System.IO;
UYLCzv~W using System.Text;
/sU~cn^D5 using System.Threading;
&oJ1v<` Z|t`}lK namespace MyEventLog
&7-ENg9 [ {
zeqwmV= /// <summary>
3haR/YN /// 事件日志记录类,提供事件日志记录支持
9-B/n0 /// <remarks>
0eMO`8u[A /// 定义了4个日志记录方法 (error, warning, info, trace)
:}B=Bk/q /// </remarks>
H^TU?vz}
< /// </summary>
Fy6(N{hql public class ApplicationLog
$V/Hr/0 {
eE=}^6)(* /// <summary>
>IT19(J;A /// 将错误信息记录到Win2000/NT事件日志中
P*
Z1Rs_ /// <param name="message">需要记录的文本信息</param>
V7S[rI<<r /// </summary>
>Tf <8r, public static void WriteError(String message)
A
)q=.C#e {
+sY8<y@% WriteLog(TraceLevel.Error, message);
@r130eLh }
~DL-@*& !_P-?u /// <summary>
{9c_T!c /// 将警告信息记录到Win2000/NT事件日志中
v?@=WG /// <param name="message">需要记录的文本信息</param>
<V
b
SEi /// </summary>
(ah^</ public static void WriteWarning(String message)
a#pM9n~a {
'=V1'I*
WriteLog(TraceLevel.Warning, message);
oF(=@UL }
0Yo(pW,k 6Zx'$F.iqK /// <summary>
[QZ8M@Gty# /// 将提示信息记录到Win2000/NT事件日志中
s
+Q'\? /// <param name="message">需要记录的文本信息</param>
-)pVgf /// </summary>
XS_Ib\-50 public static void WriteInfo(String message)
1nZ7xCDK98 {
eZbT; WriteLog(TraceLevel.Info, message);
8mnzxtk }
gw^X - /// <summary>
DQy;W ov /// 将跟踪信息记录到Win2000/NT事件日志中
@-% .+ /// <param name="message">需要记录的文本信息</param>
FdE9k\E#/) /// </summary>
4|INy=<"t public static void WriteTrace(String message)
8(@Y@`/ {
[ApAd WriteLog(TraceLevel.Verbose, message);
_08y; _S }
W5U;{5 aUyJi /// <summary>
aSMSuX8 /// 格式化记录到事件日志的文本信息格式
`]$H\gNI[8 /// <param name="ex">需要格式化的异常对象</param>
, 9"A"p*R /// <param name="catchInfo">异常信息标题字符串.</param>
{SJnPr3R /// <retvalue>
_OY<Hb3%M /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
"o>` Y /// </retvalue>
J]gtgt^ /// </summary>
}Zp5d7(@w public static String FormatException(Exception ex, String catchInfo)
pcO{%]?p {
@D2KDV3' StringBuilder strBuilder = new StringBuilder();
[W--%=Ou if (catchInfo != String.Empty)
$E35W=~) {
^!x}e+ o strBuilder.Append(catchInfo).Append("\r\n");
EWp'zbWP }
)A*Sl2ew strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
an`
GY& return strBuilder.ToString();
Mw{skK>b }
V?C_PMa ;o?Wn=J /// <summary>
9 Xx4,#? /// 实际事件日志写入方法
tRzo}_+N /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
9
?(P?H /// <param name="messageText">要记录的文本.</param>
&k0c|q] /// </summary>
E?^A+)<" private static void WriteLog(TraceLevel level, String messageText)
]M.)N.T {
pNzpT!}H> try
ba"a!#wA {
[.*o<
KP EventLogEntryType LogEntryType;
90]{4 ]y; switch (level)
Rss=ihlM {
SPY4l*kX case TraceLevel.Error:
d$*SVd: LogEntryType = EventLogEntryType.Error;
'P,F)*kh break;
sAKQ.8$h* case TraceLevel.Warning:
#zv'N LogEntryType = EventLogEntryType.Warning;
lL6qK&; break;
A}Gj;vaw case TraceLevel.Info:
Gj(UA1~1 LogEntryType = EventLogEntryType.Information;
&m>txzo break;
Ea2&7 case TraceLevel.Verbose:
WX9pJ9d LogEntryType = EventLogEntryType.SuccessAudit;
wJF Fg : break;
$N`uM default:
!kg)8 4C[ LogEntryType = EventLogEntryType.SuccessAudit;
u#m(Py break;
iWNTI }
$/uNV1]o J"dp?i EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
m
K@a7fF? //写入事件日志
vaEAjg*To< eventLog.WriteEntry(messageText, LogEntryType);
m%?b"kxL[ hT<:)MG)+K }
#O.-/&Z catch {} //忽略任何异常
fMFlY%@t }
f3]u-e'b } //class ApplicationLog
k^PqB+P! }
.DkDMg1US 7F{=bL 12.Panel 横向滚动,纵向自动扩展
]m(5>h# <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
4';]fmf@[i R.)U<`| | 13.回车转换成Tab
x{|n>3l`b9 <script language="javascript" for="document" event="onkeydown">
-=]LQHuQ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
tK|hC[ event.keyCode=9;
x6x6N&f? </script>
|k4ZTr]? Ueyt}44.e2 onkeydown="if(event.keyCode==13) event.keyCode=9"
+C)auzY7N r4xq%hy 14.DataGrid超级连接列
^JMSe- DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
uXNf)?MpA Hvq< _&2 15.DataGrid行随鼠标变色
CFh&z^]PR private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
XjwTjgL< {
6zLz<p? if (e.Item.ItemType!=ListItemType.Header)
~QsQ7SAs {
vN7ihe[C e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
~5wCehSb e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
`q exEk@S }
Ac.z6]p }
uBks#Y*3$ *0R=(Gy 16.模板列
ii*Ty!Sa <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
)vS##-[_ <ITEMTEMPLATE>
U<r<$K <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
C_#0Y_O </ITEMTEMPLATE>
r\[HR ^` </ASP:TEMPLATECOLUMN>
@/JGC%! U&Ay3/ <ASP:TEMPLATECOLUMN headertext="选中">
y Ht63z8' <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
(cYc03" <ITEMTEMPLATE>
(>0d+ KT <ASP:CHECKBOX id="chkExport" runat="server" />
nwN<Q\]S </ITEMTEMPLATE>
ORx,n7- <EDITITEMTEMPLATE>
xm YA/wt8 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
F;ONo.v; </EDITITEMTEMPLATE>
<$D)uY K </ASP:TEMPLATECOLUMN>
8XJ%Yuu BJj~fNm1Zr 后台代码
@R2|=ox protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
+n MgQOs {
Ir\3c9 //改变列的选定,实现全选或全不选。
JpDYB CheckBox chkExport ;
K?T)9 if( CheckAll.Checked)
RFK
N,oB {
\Y!Z3CK foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Gcs+@7!b {
}UGPEf\ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
h'-TZXs0e1 chkExport.Checked = true;
cR5<.$aY }
syZ-xE]} }
:za!!^ else
*h =7:*n {
Z@ws,f^e foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
sa#"@j) {
*Nt6 Ufq6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
2tr2:PB` chkExport.Checked = false;
fRa1m?%s }
6U/wFT!7$ }
]owH [wvX }
,OasT!Sr H7SqM D*y9 17.数字格式化
Xj-3C[8@ kcYR:;y 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
+bO{UC[ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
T]vD ,I+ *Cb(4h- int i=123456;
./g0T{& string s=i.ToString("###,###.00");
-%N (X8 ^2??]R&Q
18.日期格式化
]Pd*w`R 8%|x) 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
3?geJlD4 1_p'0lFe 显示为: 2004-8-11 19:44:28
8EE7mEmLH Rxli;blzi 我只想要:2004-8-11 】
N4Lk3] <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
ji8Rd"S xxiLi46/ 应该如何改?
y1'/@A1 {'ZnxK' 【格式化日期】
4YCGh T#BOrT>V 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
-12v/an]L7 o+t?OG/0 【日期的验证表达式】
t!=S[ 7RLh#D| A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
?)X@4Jem ^((\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})))?$
]d[q:N]z 2
g8PU$T B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
E7<:>Uh ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
c1<g!Q&E gky_]7Av 【大小写转换】
4|e#b(! HttpUtility.HtmlEncode(string);
VO`A HttpUtility.HtmlDecode(string)
s_[?(Ip{ }Q=Zqlvz 19.如何设定全局变量
8vRiVJ8QS: m\>x_:sE Global.asax中
CL*%06QyE Yru[{h8hw` Application_Start()事件中
G](K2= ,*4"d._Y 添加Application[属性名] = xxx;
'SieZIm) L$xRn/\ 就是你的全局变量
ayD\b6Z2. ^\?9W 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
`R> O5Rv kC0!`$<2f) HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
W% [5~N ts]7 + 6V 【ASPNETMENU】点击菜单项弹出新窗口
GN<I|mGLJK LJy'wl 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
f3>/6C <?xml version="1.0" encoding="GB2312"?>
.+|DN"PgJ <MenuData ImagesBaseURL="images/">
xD=D *W <MenuGroup>
{P-PH$ E- <MenuItem Label="内参信息" URL="Infomation.aspx" >
]G B}, <MenuGroup ID="BBC">
l)8 V:MK <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
*K(xES!b <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
XbC8t &Q], ......
CA4-&O" 0Nu]N)H5<l 最好将你的aspnetmenu升级到1.2版
;$QJnQ"R WGmCQE[/c 21.读取DataGrid控件TextBox值
|DW'RopM foreach(DataGrid dgi in yourDataGrid.Items)
1aE/_ {
i[pf*W0g TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
8j}m\^si tb.Text....
zmFFBf"< }
:RsPGj6 4AYc8Z#' 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?
Z?.*.<"Sj ;ZJ,l)BNO 〖思归〗
,[\(U!Z7:% <asp:TemplateColumn HeaderText="数量">
]eW|}V7A: <ItemTemplate>
3ms/v:\ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
j6vZ{Fx;w onkeyup="javascript:DoCal()"
shT[|@"C />
*fSM' q; yk<jlVF$j <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
a*j <TR </ItemTemplate>
iyYY)roB </asp:TemplateColumn>
j/D)UWkR ]$*{< <asp:TemplateColumn HeaderText="单价">
2\{uqv <ItemTemplate>
N[bN"'U/1 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
C..2y4bA} onkeyup="javascript:DoCal()"
#2jn4> />
yZp:hs# ^-GX&ODa <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
!rg0U<bO! ;j U-< </ItemTemplate>
yH%+cmp7 </asp:TemplateColumn>
)8 :RiG2B Y@H,Lk <asp:TemplateColumn HeaderText="金额">
mN{ajf)@ <ItemTemplate>
s2?,' es <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Gv,92ny!| </ItemTemplate>
s~Wu0%])Q </asp:TemplateColumn><script language="javascript">
K#UA M. function DoCal()
l5';?>!s {
J(0 =~Z[ var e = event.srcElement;
~,!hE&LE~ var row = e.parentNode.parentNode;
f=_?<I{ var txts = row.all.tags("INPUT");
@MZ6E$I if (!txts.length || txts.length < 3)
'Z2N{65 return;
{0vbC/?] d =(Yl r var q = txts[txts.length-3].value;
4 uy @ { var p = txts[txts.length-2].value;
R%N#G<^R Ag#5.,B- if (isNaN(q) || isNaN(p))
r(1pvcWY- return;
}'V'Y[ A,lw-(.z4Z q = parseInt(q);
K;y\[2;}e, p = parseFloat(p);
!qXq
y}?w Rhv".epz txts[txts.length-1].value = (q * p).toFixed(2);
av;
(b3Lq }
I"cQ5gF?A </script>
Iz?Wtm } ;8L+_YCa I6hhU;)C |T$a+lHMD =o{: -EKQF 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。
@0UwI%. page_load
TFJ{fLG page.smartNavigation=true
?mYV\kDt\ C`)^~C_]`3 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 ?
@8M'<tr<z private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
7:VEM;[d {
##`;Eh0a for(int i=0;i<e.Item.Cells.Count-1;i++)
(ciGLfNG if(e.Item.ItemType==ListItemType.EditType)
_yxe2[TD {
L^5&GcHP0 e.Item.Cells.Attributes.Add("Width", "80px")
Owh*KY: }
PK-}Ldj
}
r\l3_t [I++>4 26.对话框
lrmt)BLoh private static string ScriptBegin = "<script language=\"JavaScript\">";
$dx1[V+_ private static string ScriptEnd = "</script>";
cy& 5&n988gC8 public static void ConfirmMessageBox(string PageTarget,string Content)
$LxG>db {
Bt*&L[&57 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
[NCXn>Z JO&;bT< ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
}j5R@I6P %)<oX9E Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
8g#
c%eZ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
taWirqd9 //Response.Write(strScript);
u:AfHZ }
HC9vc,Fp LM"W)S 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
oN&rq6eN %S
>xSqX 1.1 取当前年月日时分秒
]Efh(Gb] currentTime=System.DateTime.Now;
Yn IM- ?8wwd!)x% 1.2 取当前年
KD,^*FkkL int 年= DateTime.Now.Year;
4hsPbUx9 AQnJxIL: 1.3 取当前月
@b::6n/u int 月= DateTime.Now.Month;
"%.|n| Njy9 JX 1.4 取当前日
IKMsY5i int 日= DateTime.Now.Day;
xVsa,EX b KA|&Q<<{@ 1.5 取当前时
u=d`j int 时= DateTime.Now.Hour;
;1{iF2jZ: v{mv*`~nA\ 1.6 取当前分
RR[)UQ int 分= DateTime.Now.Minute;
aJK-O"0/ 2|0Je^$| 1.7 取当前秒
}"%!(rx int 秒= DateTime.Now.Second;
/32Ta ql{^"8x 1.8 取当前毫秒
F9m 2C'U int 毫秒= DateTime.Now.Millisecond;
W; 3
R; sowbg<D 28.自定义分页代码:
aNOAu/ m+D2hK* 先定义变量 :
iN:G/ss4O public static int pageCount; //总页面数
G]L0eV public static int curPageIndex=1; //当前页面
fap|SMGt &%|xc{i 下一页:
~u_K&X if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
g)=V#Bglv {
&q," !:L] DataGrid1.CurrentPageIndex += 1;
S2koXg( curPageIndex+=1;
iyA*JCD }
w;N{>)hv M,b<B_$ bind(); // DataGrid1数据绑定函数
v;)BVv +G5'kYzJ 上一页:
C!$Xv&"r if(DataGrid1.CurrentPageIndex >0)
>[Xm|A# {
Nbgp_:{ DataGrid1.CurrentPageIndex += 1;
Q9`s_4 curPageIndex-=1;
xT{TVHdU }
O"@?U '4J&Gp x bind(); // DataGrid1数据绑定函数
U3mXm?f er(8}]X8Q 直接页面跳转:
z`\#$ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
y\[L?Rmd fdd~e52f if(a<DataGrid1.PageCount)
}R`8h&J {
R!sNg this.DataGrid1.CurrentPageIndex=a;
|C~Sr#6)7 }
lKf Mp1 aF D="Zh bind();
,)Yao;Cvd S/a/1n$ U 29.DataGrid使用:
G!AICcP^ iYkRo>3!QX 添加删除确认:
9 1BY]N private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
uEBQoP2 {
.?A'6 foreach(DataGridItem di in this.DataGrid1.Items)
!?yxh/>lM {
-s{R/ 6: if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
5r'=O2AZX {
J09*v)L ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
C#Y,r)l }
S*;#'j)4+ }
O:2 #_ }
oz Vpfs #1MKEfv(~ 样式交替:
OdO{xG G@ ListItemType itemType = e.Item.ItemType;
Gj6<s./ IoQr+:_R if (itemType == ListItemType.Item )
_\p`4-.V {
`hzd|GmX e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
L+_8QK < e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
bC6X?m= }
g .3f2w else if( itemType == ListItemType.AlternatingItem)
aWdUuid {
,bxz]S1W e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
MdLj,1_T e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
e,^pMg~ }
JL@F~U9 'wa g |- 添加一个编号列:
?.8<- DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
0xv\D0 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
{d8^@UL H%FM for(int i=0;i<dt.Rows.Count;i++)
;
/=L {
YRXK@'[= dt.Rows["number"]=(i+1).ToString();
6F,/w: }
`nKJR'QC hRk,vB] DataGrid1.DataSource=dt;
Rb?~ Rs\ DataGrid1.DataBind();
,b$z!dvhl ^+EMZFjg( DataGrid1中添加一个CheckBox,页面中添加一个全选框
M'YJ" private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
-7&?@M,u {
rj}(muM,R foreach(DataGridItem thisitem in DataGrid1.Items)
Trpgx {
>n(F4C-pl ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
CNq[4T'~A }
gbJG`zC>U }
;e2Ij ZxI]I1) 将当前页面中DataGrid1显示的数据全部删除
yk`)Cq%=; foreach(DataGridItem thisitem in DataGrid1.Items)
I-TlrW=t {
RFB(d=o5S if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
*G\=i
A {
E_]k>bf\ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
} +1'{B"I Del (strloginid); //删除函数
CPVmF$A- }
j|k@MfA }
(xbIUz. J,9%%S8/C 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)
;c$@@l 3h LqAj 在Application_Start中添加以下代码:
Q4=|@|U0 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
;HP#bx AppSettings["ConnStr"].ToString();
Hl/7(FJqc> >r=6A
31. 变量.ToString()
vn ``0!FX V\"1wV~E 字符型转换 转为字符串
Z~_8P 12345.ToString("n"); //生成 12,345.00
-IbbPuRq 12345.ToString("C"); //生成 ¥12,345.00
I=o'+>az 12345.ToString("e"); //生成 1.234500e+004
[t$4Tdd 12345.ToString("f4"); //生成 12345.0000
:SK<2<8h 12345.ToString("x"); //生成 3039 (16进制)
uS&LG#a 12345.ToString("p"); //生成 1,234,500.00%
(2d3jQN` p0Z:Wkz] 32、变量.Substring(参数1,参数2);
ZJ9x6|q 8'\~%xw 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
&u=8r* h07eEg 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Ww=O=c5uOu <SCRIPT language="javascript">
`[OXVs,7" <!--
=&N$Vqn function gook(pws)
=},{8fZ4 {
KxX[S.C frm.submit();
'g~@"9'oe }
_;7fraqX //-->
6e<^oH *%I[ ke * </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
TW2Z=ks= <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
VVFV8T4 <tr>
-~\f2'Q <td>
S+iP^*L,c <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
>T QZk4$ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
4#7Umj <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
ZtR&wk /p 5=i <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
*Q5x1!#z# <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
a*s\Em7f L1{T
?aII </td>
pqH4w(; 5uttv:@= </tr>
H]]c9`ayt G5;V.#"Z[ </form>
xDUaHE1co {>h97}P 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。
c.0]1 'in@9XO 下面是获取用户输入的登陆信息的代码:
e3g_At\ string name;
#%8 w name=Request.QueryString["EmailName"];
h R~v ZV(
w try
n,sY\=vB {
}[v~& int a=name.IndexOf("@",0,name.Length);
`|?]CkP f_user.Value=name.Substring(0,a);
8U=A{{0p f_domain.Value=name.Substring(a+1,name.Length-(a+1));
)
$#(ZL^m f_pass.Value=Request.QueryString["Psw"];
puF%=i }
R8 jovr fv2=B)8$ catch
:<%vE !$ {
n_9x"m$ Script.Alert("错误的邮箱!");
fGTOIi@# Server.Transfer("index.aspx");
UJn/s;$.e }