1. 打开新的窗口并传送参数:
MPbPq3an rbPs~C-[ 传送参数:
14!J\`rI response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
=on!&M %,et$1`g 接收参数:
3+3m`%G string a = Request.QueryString("id");
Y}uQ`f string b = Request.QueryString("id1");
~ fEs!hl sRQh~5kM 2.为按钮添加对话框
fR4l4 GU?) Button1.Attributes.Add("onclick","return confirm(’确认?’)");
M7R&J'SAY button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
7[BL 1HI* |nN/x<v 3.删除表格选定记录
io7U[ # int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
wG5RN;`V string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
kA!(}wRL h(Ed% 4.删除表格记录警告
5iddB $ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
V1)P=?%(US {
lmKq xs4 switch(e.Item.ItemType)
I&8SP$S>J {
2j7d$y*' case ListItemType.Item :
MuV0;K\ case ListItemType.AlternatingItem :
SRN9(LN case ListItemType.EditItem:
rs Uw(K^ TableCell myTableCell;
@z)tC@ myTableCell = e.Item.Cells[14];
JjLyV`DJ LinkButton myDeleteButton ;
>x
ghq myDeleteButton = (LinkButton)myTableCell.Controls[0];
"jO3Y/>S myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
@O}j:b break;
Gr$*t,ZW default:
~e77w\Q0 break;
VhFRh,J(T }
m}[~A@qD _SC }
?vn 0%e868 1 {x~iZa 5.点击表格行链接另一页
ZT"|o\G^Q private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7.
9s.* {
6'Yn|A //点击表格打开
b+].Uc if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|sqo+E e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
H!r
Kz }
=+}}Sv2 BrH;(*H)8 双击表格连接到另一页
_$\5ZVe cJ##K/es 在itemDataBind事件中
b2X'AHK S if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
P^3m:bE] {
8o7]XZE=) string OrderItemID =e.item.cells[1].Text;
-*hb^MvP ...
%}MA5 t]o e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
>Ug?O~- }
OZ!$%.?l L\Fu']l 双击表格打开新一页
gSr}p$N if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
uxC {
bq3fiT9 string OrderItemID =e.item.cells[1].Text;
BQ9`DYI b ...
n22hVw e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
xcZ%,7 }
f'6qJk%J Uk*;C ★特别注意:【?id=】 处不能为 【?id =】
R^yZG{?t 6.表格超连接列传递参数
_d[2_b1 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
6+$d <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
KtUGI.X vN,}aV2nq 7.表格点击改变颜色
OKZam ik~ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0^y@p&;/. {
$;2eH e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
p~q_0Pg% this.style.color=’buttontext’;this.style.cursor=’default’;");
RUk<=!U }
#i +P(xV Qw<kX*fxrI 写在DataGrid的_ItemDataBound里
ECS<l*i57& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
,/?%y\:J {
"T{~,'T e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
O:,2OMB}B` this.style.color=’buttontext’;this.style.cursor=’default’;");
a\&(Ua e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
E]H }
tC?Aso YR|(;B =WmBpUh 8.关于日期格式
/;<e. _7=pw5[ 日期格式设定
J[<pZ
[ DataFormatString="{0:yyyy-MM-dd}"
WE 5"A|
= k?["F%)I 我觉得应该在itembound事件中
fmnRUN= e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
LZQFj/,Jg +f\pk \Ith 9.获取错误信息并到指定页面
i|c`M/) h: ST:
v3* 不要使用Response.Redirect,而应该使用Server.Transfer
JMirz~%ib pY)j0tdd e.g
y'_V/w s // in global.asax
S:p.W=TAB protected void Application_Error(Object sender, EventArgs e) {
q: Bt]2x if (Server.GetLastError() is HttpUnhandledException)
//X e*0 Server.Transfer("MyErrorPage.aspx");
E+m]aYu" %Rd~|$@>x //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
]{AOh2Z.hv }
Nxbd~^j xH"W}-#[ 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
?GUz?'d Siz!/O!' 10.清空Cookie
r*i$+ Z Cookie.Expires=[DateTime];
{{.sEi* Response.Cookies("UserName").Expires = 0
hy$MV3LP z;bH<cQ 11.自定义异常处理
B:3+',i1 //自定义异常处理类
l&6U|q` using System;
vbRrk($` using System.Diagnostics;
(>rS
_#^ 4-]Do? namespace MyAppException
5vs`uUzr {
BrNG%%n /// <summary>
[GR]!\!%~ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
]cF1c90% /// 自动将异常内容记录到Windows NT/2000的应用程序日志
I~p8#<4#b /// </summary>
\3H<z@; public class AppException:System.ApplicationException
(30<oE{ {
H
_Zo@y~J public AppException()
'a;ini {
di3 B=A>3 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
#*yM2H"7,; }
ASzzBR;?_ 8!u/
public AppException(string message)
tC2 )j7@ {
Y )u_nn'[ LogEvent(message);
?%\mQmjas }
gdoJ4b g.[+yzuE6 public AppException(string message,Exception innerException)
)l+XD I {
#&^ZQs< LogEvent(message);
H$~M`Y9I~ if (innerException != null)
N?qIpv/a. {
.sd B3x LogEvent(innerException.Message);
j+_S$T8w }
\6`v.B&v }
>AR Tr'B -"~L2f"? //日志记录类
LPEjRG, using System;
"n{9- VEmN using System.Configuration;
c;c:Ea5 using System.Diagnostics;
*Rz{44LP& using System.IO;
,U6*kvHS6 using System.Text;
+M44XhT using System.Threading;
`pP9z;/Xq b@=zrhQ namespace MyEventLog
cT/3yf {
gB(9vhj$ /// <summary>
Ey r5jXt%; /// 事件日志记录类,提供事件日志记录支持
{E!$ xY8 /// <remarks>
_:wZmZU} /// 定义了4个日志记录方法 (error, warning, info, trace)
uk`T+@K /// </remarks>
zc6Ho /// </summary>
b7, public class ApplicationLog
(bg}an {
7*zB*"B'1t /// <summary>
qTyg~]e9( /// 将错误信息记录到Win2000/NT事件日志中
f!5F]qP>- /// <param name="message">需要记录的文本信息</param>
kx|me~I
/// </summary>
7d3'CQQ4 public static void WriteError(String message)
x S {
-1Djo:y WriteLog(TraceLevel.Error, message);
\Os:6U=X- }
s{yJ:WncI 0-*Z<cu%l /// <summary>
'n~fR]h} /// 将警告信息记录到Win2000/NT事件日志中
sS
C?io /// <param name="message">需要记录的文本信息</param>
60`+9(^ /// </summary>
fph-v -cl public static void WriteWarning(String message)
n`P`yb\f$ {
T1l&B WriteLog(TraceLevel.Warning, message);
?V#Gx>\ }
&(gm4bTg i4 hJE /// <summary>
n4^*h4J7 /// 将提示信息记录到Win2000/NT事件日志中
{UP'tXah /// <param name="message">需要记录的文本信息</param>
j._G7z/LJ /// </summary>
;5<P|:^ public static void WriteInfo(String message)
0r1g$mKb {
Xa4GqV9M/- WriteLog(TraceLevel.Info, message);
FI\IY
R }
6H0W`S0a /// <summary>
gzor%)C /// 将跟踪信息记录到Win2000/NT事件日志中
3f_i1|>)' /// <param name="message">需要记录的文本信息</param>
/
>%L[RJ4 /// </summary>
O4T'o. public static void WriteTrace(String message)
CNut{4 {
Was'A+GZ WriteLog(TraceLevel.Verbose, message);
F#6cF=};@ }
|-|jf "hW(S /// <summary>
d& hD[v /// 格式化记录到事件日志的文本信息格式
;vMn/ /// <param name="ex">需要格式化的异常对象</param>
[d}qG#N /// <param name="catchInfo">异常信息标题字符串.</param>
,aI,2U91 /// <retvalue>
]22C)< /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
qc3~cH.@ /// </retvalue>
:#WEx_] /// </summary>
>b'w'" public static String FormatException(Exception ex, String catchInfo)
S0F@#mSQ? {
fVYiwE=F StringBuilder strBuilder = new StringBuilder();
+Z > < if (catchInfo != String.Empty)
Gi*<~`Gr {
P2Onkl strBuilder.Append(catchInfo).Append("\r\n");
|H:<:*=6c }
s,w YlVYf! strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
K${}r0 return strBuilder.ToString();
JfkTw~'R }
q'.;W@m K<#-"Xe; /// <summary>
q?yMa9ZZky /// 实际事件日志写入方法
IK3qE!,&U /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
d]MGN^%o /// <param name="messageText">要记录的文本.</param>
#'C/Gya /// </summary>
L%f;J/ private static void WriteLog(TraceLevel level, String messageText)
57U%` {
B3Mx,uXT\ try
4Hk6b09 {
r
^MiRa EventLogEntryType LogEntryType;
mk\i}U>` switch (level)
y<|)'( {
h`lmC]X_ case TraceLevel.Error:
lcCJ?!lsSW LogEntryType = EventLogEntryType.Error;
*E}Oh break;
dQai4e>[ case TraceLevel.Warning:
[@<G+j LogEntryType = EventLogEntryType.Warning;
/tP7uVL
R break;
qtzFg# case TraceLevel.Info:
qL3@PSN?| LogEntryType = EventLogEntryType.Information;
v`SY6;<2 break;
C%]."R cMC case TraceLevel.Verbose:
W<Z$YWr LogEntryType = EventLogEntryType.SuccessAudit;
FZpsL-yx^N break;
9
Va40X1 default:
K@6`-|I LogEntryType = EventLogEntryType.SuccessAudit;
dnwdFsf break;
\dTQQ }
OTE<x"=h @89I#t6A. EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
!y%+GwoW //写入事件日志
:c=v} eventLog.WriteEntry(messageText, LogEntryType);
pisB,wP$2 7 W{~f?Sh }
9^!wUwB catch {} //忽略任何异常
x<s|vgl| }
n8$=f'Hgb } //class ApplicationLog
n$YE !D' }
2m\m/O -E]Sk&4Gj 12.Panel 横向滚动,纵向自动扩展
lBmm(<~Z <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
U. (Tl>K|0 ESIzGaM 13.回车转换成Tab
5U~OP <script language="javascript" for="document" event="onkeydown">
HlPG3LD! if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
>t0%?wj)Y event.keyCode=9;
yb?{LL-uy </script>
]\BUoQ7I/ a.DX%C/5 onkeydown="if(event.keyCode==13) event.keyCode=9"
69/?7r (zC
14.DataGrid超级连接列
t:=k)B DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
H_Os4} {i>Jfl]G} 15.DataGrid行随鼠标变色
$/paEn" private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
_88QgThb {
U` hfvTi if (e.Item.ItemType!=ListItemType.Header)
8R}K?+] {
+]c}rWm e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
bDWeU} e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
f05=Mc&) }
x'qWM/ }
z]$>+MH_ ?'wsIH]m 16.模板列
[4XC#OgA <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
@KA1"Wb_ <ITEMTEMPLATE>
;v_V+t<$ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
O:^'x*} </ITEMTEMPLATE>
j#VIHCzlr </ASP:TEMPLATECOLUMN>
c#QFG1 qo_]ZKL44 <ASP:TEMPLATECOLUMN headertext="选中">
JKy#j g:# <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
ue6d~8& <ITEMTEMPLATE>
VNj@5s <ASP:CHECKBOX id="chkExport" runat="server" />
EZib1g&:R/ </ITEMTEMPLATE>
7~b!4x|Z <EDITITEMTEMPLATE>
kaQ2A <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
9tk" :ld </EDITITEMTEMPLATE>
.45^=2NGmQ </ASP:TEMPLATECOLUMN>
G52Z)^ ErDL^M-` 后台代码
MCU9O protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Q0~j$Jc {
/.$L"u //改变列的选定,实现全选或全不选。
(ua q<Cvg CheckBox chkExport ;
rl?7W]; if( CheckAll.Checked)
#*2Rp8n {
SY1GR n foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
-=)-s m' {
q8sbn chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
,[`$JNc chkExport.Checked = true;
S0LszW)e }
RtC'v";6 }
[M:S`{SbY else
:c7CiP {
?2ItB `<( foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
ntGq"
o {
@B`Md3$7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
P^[/Qi}j chkExport.Checked = false;
AmcC:5 }
Q\9K2=4 }
c!Dc8=nE0m }
xU}M;4kH~ >SDpuG&> 17.数字格式化
f^9&WT PZ,z15PG] 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
l>&sIX <%#Container.DataItem("price","{0:¥#,##0.00}")%>
.Xd0
Q=1h 8!zbF<W9 int i=123456;
tZA: string s=i.ToString("###,###.00");
-(IC~ y
~AmG~ 18.日期格式化
{DBIonY]; >F3.c%VU]w 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Ld(NhB'7 `4
UlJ4<` 显示为: 2004-8-11 19:44:28
9y^/GwUQ 6E|S 我只想要:2004-8-11 】
*)> do
L <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
#$'FSy# Wx]d $_ 应该如何改?
|!LnAh d?hz LX 【格式化日期】
ZL_[4Y 6y
Wc1 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
(oaYF+T ]sj0~DI*m 【日期的验证表达式】
aB"xqh)a}T Rj6|Y"gq9 A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
HZZDv+ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
nl
n OwyMJ #w>~u2W B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
7[KCWJ ^\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]))$
CWlW/>yF
B uGCp#>+ 【大小写转换】
'UfeluMd HttpUtility.HtmlEncode(string);
E5UcZ7 HttpUtility.HtmlDecode(string)
<1@
(ioPH GGnp Pp 19.如何设定全局变量
G!Zyl^ v0@)t&O Global.asax中
w sY}JT @Zm Jz Application_Start()事件中
`ZGcgO<c\ 4tJa-7 添加Application[属性名] = xxx;
5=Lq=,K$ 1 Z[f
{T) 就是你的全局变量
kMxjS^fr Gvx[8I 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
_x % 1 F *Km7U-BG HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
w> 979g '*R%^RK 【ASPNETMENU】点击菜单项弹出新窗口
4%_M27bu[ R^8{bP 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
^}>/n. % <?xml version="1.0" encoding="GB2312"?>
zY%. Rq- <MenuData ImagesBaseURL="images/">
g1|w? pI1 <MenuGroup>
3M<!?%v\A <MenuItem Label="内参信息" URL="Infomation.aspx" >
~V+l_: <MenuGroup ID="BBC">
3?E}t*/ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
dGkgaC+ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
97LpY_sU ......
C2/}d? bki h6M;0_' 最好将你的aspnetmenu升级到1.2版
\Tm}mAvK/o SY
_='9U 21.读取DataGrid控件TextBox值
o""~jc~ foreach(DataGrid dgi in yourDataGrid.Items)
KCtX$XGL {
&;>4N"] TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
BSzkW}3q9 tb.Text....
U5+vN[ K }
9UD
@MA Q`6i =mB; 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?
BHr|.9g]%% $YM_G=k 〖思归〗
TlRk*/PlJ <asp:TemplateColumn HeaderText="数量">
Kf.T\V4% <ItemTemplate>
<qeCso <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
qnIew?-* onkeyup="javascript:DoCal()"
(vyz;Ob />
M{KW@7j flnVYQe <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
8MF2K6 </ItemTemplate>
fN[8N$1- </asp:TemplateColumn>
(:sZ
b?* U Cb02h <asp:TemplateColumn HeaderText="单价">
m#H_*L0 <ItemTemplate>
TV:<TR <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
j
_ ;fWBD: onkeyup="javascript:DoCal()"
z<n-Gzwk />
lLiQ ;@ wE Qi0! <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
FPv"N'/ l(:kfR~AC </ItemTemplate>
)=_ycf^MC </asp:TemplateColumn>
Y&f\VNlT 6|=j+rScv <asp:TemplateColumn HeaderText="金额">
:zp`6l <ItemTemplate>
"H+,E_&( <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
ijW7c+yd </ItemTemplate>
' 4O- </asp:TemplateColumn><script language="javascript">
PK:2xN:= function DoCal()
ZGz|m0b ( {
a5?8QAO~r var e = event.srcElement;
Y(VO.fVJK var row = e.parentNode.parentNode;
.eF_cD7v var txts = row.all.tags("INPUT");
OO-k|\{| if (!txts.length || txts.length < 3)
GozPvR^/ return;
g22gIj] Pe$6s:|NS var q = txts[txts.length-3].value;
' [p)N, var p = txts[txts.length-2].value;
2wlKBSON K&_Uk548 if (isNaN(q) || isNaN(p))
s3
B'>RG} return;
6STp>@Ch]" (Hp' B))2 q = parseInt(q);
.+.j*>q>u p = parseFloat(p);
FFcB54ALTf hIU(P Dl4 txts[txts.length-1].value = (q * p).toFixed(2);
P&=lV}f }
1}g:|Q </script>
%SA!p; reiU%C -x]`DQUg 9-lEt l% K*vU5S 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。
$8=@R' page_load
wk$,k page.smartNavigation=true
(! KG)! ;ojiJ?jU 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 ?
Qvqqvk_tv private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
`
\ZqgX4 {
iHBB,x for(int i=0;i<e.Item.Cells.Count-1;i++)
qVgd(?hJ# if(e.Item.ItemType==ListItemType.EditType)
h @/;`E[ {
2qU&l|> e.Item.Cells.Attributes.Add("Width", "80px")
H^AE|U*-G }
S4A q' }
Qc"'8kt =r4!V> 26.对话框
8q^o.+9 private static string ScriptBegin = "<script language=\"JavaScript\">";
g>j| ]6 private static string ScriptEnd = "</script>";
sqO<J$tz 7"2b H public static void ConfirmMessageBox(string PageTarget,string Content)
?M}S|dsmE {
l-)Bivoi string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Q*ju
sm _8fA?q= ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
JK)qZ= b{cU<;G)y. Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
0b-?q&*_ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
p]&j;H. //Response.Write(strScript);
^k/i-%k0 }
07_oP(;jT ^DAu5 |--R 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
0D ~
Tga) |m*.LTO 1.1 取当前年月日时分秒
Ciihsm currentTime=System.DateTime.Now;
jai|/"HSXw ;_"U "?h_J 1.2 取当前年
+c$I&JO int 年= DateTime.Now.Year;
#@f[bP}a raUs%Y3 1.3 取当前月
eV!L^>>> int 月= DateTime.Now.Month;
SoQR#(73HK z@U}~TvP 1.4 取当前日
gK1g]Tc @G int 日= DateTime.Now.Day;
dt,3"J 4<S' 1.5 取当前时
_elX<o4 int 时= DateTime.Now.Hour;
t~p
y=\ 6 "gj!/e 1.6 取当前分
Akk
3 Qx int 分= DateTime.Now.Minute;
2}WDw>V {ERMGd6Jp 1.7 取当前秒
1=)r@X/6d int 秒= DateTime.Now.Second;
0Y+FRB]u ${r[!0| 1.8 取当前毫秒
/n{1o\ int 毫秒= DateTime.Now.Millisecond;
`=)2<Ca;~@ r@}bDkx 28.自定义分页代码:
9Sg<K)Mc >hsuAU.UOR 先定义变量 :
[~mGsXV public static int pageCount; //总页面数
=JO^XwUOo public static int curPageIndex=1; //当前页面
AR&:Q4r| +]wuJSxc 下一页:
q9*MNHg} if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
<M+R\SH- {
smy}3k DataGrid1.CurrentPageIndex += 1;
v;2CU curPageIndex+=1;
4{na+M }
S\x=&R z p9[6^rjx8 bind(); // DataGrid1数据绑定函数
S]>wc
yy=n Frm;Ej3?$ 上一页:
.qD@
Y3- if(DataGrid1.CurrentPageIndex >0)
&1^%Nxu1 {
c z'5iK DataGrid1.CurrentPageIndex += 1;
O<*5$,K9 curPageIndex-=1;
%V_-%/3Z }
E5GJi ZCui Fm bind(); // DataGrid1数据绑定函数
DDd/DAkCX VG@};dwbz* 直接页面跳转:
6[P-Ny{z int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
6^F'|Wh q!lP"J if(a<DataGrid1.PageCount)
P,xwSvO#M {
'+y_\ this.DataGrid1.CurrentPageIndex=a;
9^ed-h
Bf }
KG9t3<-` zc+@lJy bind();
J%rP$O$ msx-O=4g 29.DataGrid使用:
+Ic ~ f1zh k5BXirB 添加删除确认:
Snw3`|Y~< private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
PGn);Baq {
lU4}B`#"v foreach(DataGridItem di in this.DataGrid1.Items)
n D6G {
RYR-K^;R if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
y-aRXF=W {
^>c8t_RG ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
F`+\>ae$h }
S33j?+Vs }
,[rPe\w.z }
)0 Z! n I*|P@0 样式交替:
X ]j)+DX> ListItemType itemType = e.Item.ItemType;
A#@_V'a8 Ub$n |xn if (itemType == ListItemType.Item )
$W8Cf[a {
YV'pVO'_+ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
~2*9{ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
p3951-D }
I[Ic$ta else if( itemType == ListItemType.AlternatingItem)
.K8w8X/3 {
Sb&lhgW]c e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
S -&)p@4 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
8/%6@Y"Y* }
:py\| !7p}C-RZp 添加一个编号列:
2b@tj
5 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
z}4L=KR\v DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
,_v|#g@{ n.6T
OF for(int i=0;i<dt.Rows.Count;i++)
iAn'aW\TF {
D)b}f` dt.Rows["number"]=(i+1).ToString();
s'HD{W` }
C"uahP[Y s}5+3f$f DataGrid1.DataSource=dt;
.8gl< vX DataGrid1.DataBind();
f i~I@KJ> ]wn/BG) DataGrid1中添加一个CheckBox,页面中添加一个全选框
N;sm*+r private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
QrYa%D+ {
XVVD 0^ Q foreach(DataGridItem thisitem in DataGrid1.Items)
"E*e2W {
"9y(
} ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
K7TzF& }
j f~wBmd7 }
lTRl"`@S ,I.WX,OR 将当前页面中DataGrid1显示的数据全部删除
?,knit2x foreach(DataGridItem thisitem in DataGrid1.Items)
e)^j+ l {
}%!tT\8 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
^V*-1r1 {
w|Cx>8P8@ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
"?}uQ5f Del (strloginid); //删除函数
_
Y2
U7W }
`u'bRp }
AC%JC+ MHj,<|8Q 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
|pZUlQbb m"2d$vro" 在Application_Start中添加以下代码:
(K..k-o`. Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
E)N<lh AppSettings["ConnStr"].ToString();
8AFczeg[[ I s57F4[} 31. 变量.ToString()
IND ]j72 i&Fiq&V)[ 字符型转换 转为字符串
m}j:nk 12345.ToString("n"); //生成 12,345.00
dR^"X3$ 12345.ToString("C"); //生成 ¥12,345.00
aG`;OgrH 12345.ToString("e"); //生成 1.234500e+004
G5.nPsuM 12345.ToString("f4"); //生成 12345.0000
El2e~l9 12345.ToString("x"); //生成 3039 (16进制)
M" lg%j 12345.ToString("p"); //生成 1,234,500.00%
3.Gj4/f Cr ?4Ngw 32、变量.Substring(参数1,参数2);
"hz\Z0zg2 \Gp*x\<^Z 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);
JC?N_kP%W ^]C&tG0 ! 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)
]88];?KS} <SCRIPT language="javascript">
!c#]?b% <!--
V7Yaks function gook(pws)
X|LxV] {
;QCrHqRT` frm.submit();
_banp0ywS }
v4/-b4ET //-->
]bdFr/!'S+ "`Ge~N[$A </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
/'.=sH <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
:nY2O <tr>
.4y>QN#VL <td>
4-GXmC <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
bru/AZ# de <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
(oz$B0HO: <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
lK7m=[j uGU;Y'W) <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
* *H&+T/B <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
$:s`4N^ }R4c </td>
>JwLk[=j ;lX(}2tXW </tr>
E.bi05l bvBHYf:^ </form>
wN-i?Ek0; 1j-te-}"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。
^D^JzEy'?C revF;l6->C 下面是获取用户输入的登陆信息的代码:
%^.%OCX: string name;
yL4 T name=Request.QueryString["EmailName"];
-Y 9SngxM V%0I%\0Y try
IeX^4rc( {
*u6Y8IL1 int a=name.IndexOf("@",0,name.Length);
(h-*_a}F4 f_user.Value=name.Substring(0,a);
,Tagj`@bHc f_domain.Value=name.Substring(a+1,name.Length-(a+1));
oB1>x^
f_pass.Value=Request.QueryString["Psw"];
vl Ez9/H }
$!@\ \!50UVzm) catch
EpJ4`{4 {
Z#l%r0(o Script.Alert("错误的邮箱!");
h0vob_Fdl Server.Transfer("index.aspx");
[P4$Khu$ }