1. 打开新的窗口并传送参数:
ve Tx, \6@ ${I*nh>= 传送参数:
:ofBzTNwZ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
?A?F.n` =Mj0:rW 接收参数:
=dZHYO^Cv string a = Request.QueryString("id");
D3D}DaEYj string b = Request.QueryString("id1");
?Q0I'RC &xXEnV 2.为按钮添加对话框
h|D0z_f Button1.Attributes.Add("onclick","return confirm(’确认?’)");
;W]\rft[ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
+l E90y *$,:m 3.删除表格选定记录
m&*JMA;^ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
d%_OT0Ei string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
s?2$ue&-f \?**2{9&) 4.删除表格记录警告
Kcy@$uF{2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
[;A[.&6 {
u
8^{ switch(e.Item.ItemType)
$,3J7l3 {
cA)[XpQ:+W case ListItemType.Item :
oDn|2Sdqd case ListItemType.AlternatingItem :
TP%+.#Fu case ListItemType.EditItem:
.fAv*pUzU TableCell myTableCell;
M}O}:1Par myTableCell = e.Item.Cells[14];
wSEWwU[ LinkButton myDeleteButton ;
0hY{<^"Y myDeleteButton = (LinkButton)myTableCell.Controls[0];
@WMA }\Cc myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
k*?I>%^6#T break;
"%qzj93>
default:
:o46rBs break;
q?):oJ }
KC`q#&dt */^QH@ P }
JH8}Ru%Z l{Dct\ #s 5.点击表格行链接另一页
K2{aNvR)t private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
k(t}^50^j {
iK5_u2]Q //点击表格打开
9QQyl\ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?t](a:IX e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
x3 > }
/w (e q_kdCO{:df 双击表格连接到另一页
rG}\Zjn{ k{;,6H 在itemDataBind事件中
Q GZyL)Q if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
n_?tN\M {
y5r4+2B string OrderItemID =e.item.cells[1].Text;
T 20&F ...
-I.d}[ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
1)m@?CaI` }
TaE~s iOAbaPN 双击表格打开新一页
sEMQ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
p]T<HGJ P {
+N`ua string OrderItemID =e.item.cells[1].Text;
9h&R]yz; ...
aJ Z"D8C e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Gg Jf7ie4 }
+M'
H0-[ _{<seA ★特别注意:【?id=】 处不能为 【?id =】
:cB=SYcC% 6.表格超连接列传递参数
oVFnlA <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
;oZ)Wt <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
R;,g1m|] >/[GTqi 7.表格点击改变颜色
ApBWuXp|u if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
F8-?dp f' {
-Eu6U`"( e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
k:jSbbQ this.style.color=’buttontext’;this.style.cursor=’default’;");
4}+/F}TbJ5 }
mKrh[nA h2ytS^ 写在DataGrid的_ItemDataBound里
7frTTSZ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
%\]*OZ7 {
L:XC e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
wLK07e( this.style.color=’buttontext’;this.style.cursor=’default’;");
(e(:P~Ry e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
<-D/O$q }
^8.]d~j YIw1 ~ab:/!Z 8.关于日期格式
T,aW8| $9Hcdbdm 日期格式设定
fhL,aCS= DataFormatString="{0:yyyy-MM-dd}"
nt*Hc1I R2Zgx\VV' 我觉得应该在itembound事件中
MxT-1&XL e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
|$?bc3 _ODbY;M 9.获取错误信息并到指定页面
,eTU/Q>{,& T5a*z}L5 不要使用Response.Redirect,而应该使用Server.Transfer
h1'\:N` pe^u$YE e.g
ns6(cJ^a // in global.asax
xJ#d1[kzo protected void Application_Error(Object sender, EventArgs e) {
;4Y%PVz~D if (Server.GetLastError() is HttpUnhandledException)
D$t k<{)oB Server.Transfer("MyErrorPage.aspx");
^#-nE7 DI+fwXeg //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
qkiI/nH3 }
u\C
lP# `
,SiA-3* 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
H\TI[JPAl g$b<1:8 10.清空Cookie
dC RyOid$ Cookie.Expires=[DateTime];
/~zai} Response.Cookies("UserName").Expires = 0
yUpgoX(6 FCnm1x# 11.自定义异常处理
H1}
RWaJ //自定义异常处理类
#O+),,WS using System;
)c `7( nY using System.Diagnostics;
=Xo
=Qcr :Nz9xD$S5 namespace MyAppException
J+`VujWT {
|`.([2 /// <summary>
B)0i:"q /// 从系统异常类ApplicationException继承的应用程序异常处理类。
{{QELfH2 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
O#F4WWF /// </summary>
@3zg=?3 public class AppException:System.ApplicationException
!QvZ<5( {
G K7![p public AppException()
?#fu.YE\ {
E{|W(z,
if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
R6]Gk)5 }
6_FE 4RR[ r,h%[JKM public AppException(string message)
>r !|sC {
$m/)FnU/ LogEvent(message);
ZjF 4v }
oz,e/v8~ C#Na&m public AppException(string message,Exception innerException)
; #&yn=^ {
XT4{Pe7{[P LogEvent(message);
(L/_^!ZX if (innerException != null)
neLAEHV {
Eea*s' LogEvent(innerException.Message);
oM>Z;QVRC: }
YB2VcF.LU }
?vbvBu{a EwvoQ$#jv //日志记录类
T( U_ using System;
#T'{ n1AI using System.Configuration;
++`0rY% using System.Diagnostics;
=,6z4" ) using System.IO;
y~U #veY using System.Text;
sM `DL using System.Threading;
x8V('` }j zd >t-?g namespace MyEventLog
<nT
+$ {
R8a3
1& /// <summary>
.nx2";oi /// 事件日志记录类,提供事件日志记录支持
` 2V19s] /// <remarks>
oYm[V<nIl /// 定义了4个日志记录方法 (error, warning, info, trace)
VgZsB$Ori /// </remarks>
U_I5fK= /// </summary>
^f4s"T public class ApplicationLog
hYG6 pTCb {
kY-N>E: /// <summary>
Z/Dx,zIR /// 将错误信息记录到Win2000/NT事件日志中
;'#8tGv= /// <param name="message">需要记录的文本信息</param>
woGAf)vV# /// </summary>
0"28' public static void WriteError(String message)
9
a!$z!. {
x"~8*V'0 WriteLog(TraceLevel.Error, message);
qKr8)}h }
~d|A!S` m8d!<
h /// <summary>
Dv5D~on{ /// 将警告信息记录到Win2000/NT事件日志中
#_^Lb]jkM /// <param name="message">需要记录的文本信息</param>
e#$]Y?, /// </summary>
j i7[nY public static void WriteWarning(String message)
Lr~=^{ {
(ROY?5
@c WriteLog(TraceLevel.Warning, message);
Y[}>CYO }
#W4dkCd(pF H4&lb} /// <summary>
L.*M&Ry /// 将提示信息记录到Win2000/NT事件日志中
gG(fQ
89U" /// <param name="message">需要记录的文本信息</param>
[\v}Ul /// </summary>
s %j_H public static void WriteInfo(String message)
uxvqMgR {
+0nJ WriteLog(TraceLevel.Info, message);
dMv=gdY }
nrub*BuA /// <summary>
/
F4z g3 /// 将跟踪信息记录到Win2000/NT事件日志中
e> e}vZlX /// <param name="message">需要记录的文本信息</param>
@#T|Y& /// </summary>
$_"'&zQ' public static void WriteTrace(String message)
R;uvkg[o {
FKDk +ojw WriteLog(TraceLevel.Verbose, message);
PNgY>=Y }
lrlgz[ W$hx,VEy` /// <summary>
&=] ~0$ /// 格式化记录到事件日志的文本信息格式
N8F~8lTi /// <param name="ex">需要格式化的异常对象</param>
IP xiV]c /// <param name="catchInfo">异常信息标题字符串.</param>
r*2+xDoEi /// <retvalue>
Ug>~Rq] /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
`ZYoA
t]C~ /// </retvalue>
V5V
bJBpf /// </summary>
/Kql>$I public static String FormatException(Exception ex, String catchInfo)
gY/"cq {
{Aw#?#GPW StringBuilder strBuilder = new StringBuilder();
iT3BF"ZqBO if (catchInfo != String.Empty)
/R]U}o^/(% {
tdBm
(CsN strBuilder.Append(catchInfo).Append("\r\n");
N
+Yxz;Mg }
y" RF;KW> strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
$p#Bi-& return strBuilder.ToString();
AG`L64B }
A5c%SCq; KX ,S /// <summary>
;=)k<6 /// 实际事件日志写入方法
wh$sn:J /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
iVhJ t#_b /// <param name="messageText">要记录的文本.</param>
>E;uU[v)I /// </summary>
\A 2r] private static void WriteLog(TraceLevel level, String messageText)
K[Y I4pt7 {
kCWV r try
Y,<{vLEC {
:~"CuB/ EventLogEntryType LogEntryType;
g:g\>@Umo switch (level)
-$,TMqM {
t3 8m'J :> case TraceLevel.Error:
BO~0ON0 LogEntryType = EventLogEntryType.Error;
HVR /7&g break;
ry`Ho8N case TraceLevel.Warning:
x-WmMfcz& LogEntryType = EventLogEntryType.Warning;
ak$f"py
x break;
X`kk]8= case TraceLevel.Info:
lA|
5E? LogEntryType = EventLogEntryType.Information;
oK6tTK break;
?GKb7Oj case TraceLevel.Verbose:
>)fi^ LogEntryType = EventLogEntryType.SuccessAudit;
q/4J.jL break;
9UdM`v)( default:
rK' L6o LogEntryType = EventLogEntryType.SuccessAudit;
EH+"~-v)ae break;
gX@HO|.t }
>?2M
}TV3 h5*JkRm EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
JFcLv=U //写入事件日志
>*~L28Fyn eventLog.WriteEntry(messageText, LogEntryType);
:3v}kLO7| ^S4d:-.3 }
b[r8e catch {} //忽略任何异常
PCHu#5j_a }
DU0zez I9 } //class ApplicationLog
M'?,] an }
ZQ4p(6a %aG5F}S2~ 12.Panel 横向滚动,纵向自动扩展
9vuyv*-}e <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
g/ T
| k&Ck 13.回车转换成Tab
\(?rQg@U <script language="javascript" for="document" event="onkeydown">
CM/H9Kz. if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
$O&b`` event.keyCode=9;
9&-dTayIz </script>
Sq>dt[7 DrKP%BnS onkeydown="if(event.keyCode==13) event.keyCode=9"
|HiE@ y`Wty@ 14.DataGrid超级连接列
>:74%D0UF DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
27eooY1 Jj; L3S 15.DataGrid行随鼠标变色
py$Q private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
z`.<U{5 {
pNG:0 if (e.Item.ItemType!=ListItemType.Header)
7Od
-I*bt {
C)um9} e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
faEt6 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Go5J%&E9 }
TH%Qhv\] }
;v}GJ<3 j$M h+5 16.模板列
q }i]'7 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
F|SXn\ <ITEMTEMPLATE>
dPW#C5dm <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
tqz3zIQ </ITEMTEMPLATE>
0M_ DB= </ASP:TEMPLATECOLUMN>
h{)kQLuzT #3i3G(mQ <ASP:TEMPLATECOLUMN headertext="选中">
H[6:_**?o <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
]~Rho_mq# <ITEMTEMPLATE>
JrJo|0Q <ASP:CHECKBOX id="chkExport" runat="server" />
kKaE=H-x </ITEMTEMPLATE>
Vh'P&W?[ <EDITITEMTEMPLATE>
F%@A6'c <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
E-T)*`e </EDITITEMTEMPLATE>
u4t7Ie*Q </ASP:TEMPLATECOLUMN>
kYzIp )X1{ 后台代码
!EvAB+`jLI protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
!y\'EW3|G {
XQY#716) //改变列的选定,实现全选或全不选。
8r*E-akuyr CheckBox chkExport ;
cXA
i k- if( CheckAll.Checked)
Eq% } {
6hno)kd{= foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
H`*LBqDk {
EEEh~6?-e chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=2`[& chkExport.Checked = true;
vNyf64) }
2~Kgv|09 }
R[zpD%CI else
$.Qkb@} {
{j{u6i foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
8o3E0k1 {
%"q9:{m chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
d2*fLEsF chkExport.Checked = false;
X:A^<L
~ }
L^r#o-H< }
1vS#K=sb }
Ow+GS{-q LD+{o 4i
17.数字格式化
6|gCuT4 rlML W 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Cz9xZA{[M <%#Container.DataItem("price","{0:¥#,##0.00}")%>
,kyJAju> $jjfC int i=123456;
p\ Q5,eg string s=i.ToString("###,###.00");
G~F b B7VH<;Z 18.日期格式化
^%d\qd` YX!{P=Ua 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
n7zm>& R"-mKT} 显示为: 2004-8-11 19:44:28
r )Ma3FL0; |-fgj' 我只想要:2004-8-11 】
/fKx}}g) <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
C/q'=:H; us1Hu) 应该如何改?
NG=@ -eu S.mG?zbw 【格式化日期】
{AhthR%(1 U'k*_g 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
6]&OrS[ 2bv=N4ly 【日期的验证表达式】
x!?u^ f&=AA@jLv A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
XPavReGf ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
IQAZuN"< 4svBzZdr B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
yks__ylrl( ^\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]))$
q}b
dxa
"0V.V>-p 【大小写转换】
?1*cO:O HttpUtility.HtmlEncode(string);
8Q.T g. HttpUtility.HtmlDecode(string)
])[[ V!1 $By<$ 19.如何设定全局变量
8^kGS-+^ M-$%Rzl_ Global.asax中
lXx=But ^6jV_QM# Application_Start()事件中
Q1T$k$n IDad9 Bx 添加Application[属性名] = xxx;
]vz%iv_ a1g,@0s 就是你的全局变量
ZFiee|,q ](Xb_xMf 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
%@<8<6&q ML}J\7R HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
pf]xqhL ]l;o}+`G 【ASPNETMENU】点击菜单项弹出新窗口
m~w[~flgZ [xK3F+ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
B+$%*%b <?xml version="1.0" encoding="GB2312"?>
!`M,XSp( <MenuData ImagesBaseURL="images/">
<kfnpB= <MenuGroup>
({ +!`}GY <MenuItem Label="内参信息" URL="Infomation.aspx" >
/?wtF4 <MenuGroup ID="BBC">
_no/F2>!/n <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
hnffz95 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
+xRK5+}9 ......
L\37xJo -m\u 最好将你的aspnetmenu升级到1.2版
Wt*cIZ v>6"j1Z 21.读取DataGrid控件TextBox值
~Sdb_EZ foreach(DataGrid dgi in yourDataGrid.Items)
loEPr5bL {
5A,K6f@:g TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
! :Y:pu0 tb.Text....
*Hg>[@dP0 }
7dN*lks S:u:z=:r 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?
}V'}E\\ 2pZXZ 〖思归〗
<S5BDk <asp:TemplateColumn HeaderText="数量">
UgRhWV~f0 <ItemTemplate>
|{&{ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
d}OTO10 onkeyup="javascript:DoCal()"
gLb`pCo/ />
2ElJbN# ~b(i&DVK <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
;p.v]0]is </ItemTemplate>
bc*X/). </asp:TemplateColumn>
Av$]|b W1WYej" <asp:TemplateColumn HeaderText="单价">
4%{,]
q\p <ItemTemplate>
zp6C3RG( <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
a f6M,{F onkeyup="javascript:DoCal()"
7( #:GD />
T*I{WW ]q\b,)4
e <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
<c*FCblv 4aug{}h(" </ItemTemplate>
[Hx0`Nc K </asp:TemplateColumn>
gBd]B03 *tGY6=7O <asp:TemplateColumn HeaderText="金额">
52Yq <ItemTemplate>
#`~C)=- <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
adlV!k7RG </ItemTemplate>
r^2p*nr} </asp:TemplateColumn><script language="javascript">
"N;`1ce function DoCal()
?K1/ <PE+ {
B[qzUD*P_n var e = event.srcElement;
Ih@61>X.o* var row = e.parentNode.parentNode;
!d'GE`w T var txts = row.all.tags("INPUT");
D,FHZDt if (!txts.length || txts.length < 3)
[.K1iZyTi return;
X
enE^e+9 |O3q@ var q = txts[txts.length-3].value;
8aZ=?_gvT var p = txts[txts.length-2].value;
cv8L-Z>x.= 3v(* 5 if (isNaN(q) || isNaN(p))
9/9j+5}+ return;
3\AU 72- '-wj9OU q = parseInt(q);
( B!uy` p = parseFloat(p);
<xup'n^7C zh%#Y_[R txts[txts.length-1].value = (q * p).toFixed(2);
PoNi"Pv }
9q)Kfz </script>
N>Xo_-QCY rDl*d`He! qjwxhabc /{Is0+) ag;Q F 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
qjc8fP2 page_load
Nv$R\' 3 page.smartNavigation=true
85>05? .GbX]?dN 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 ?
GXcJ< v private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
eJ,/:=QQ{ {
r=Gks=NX" for(int i=0;i<e.Item.Cells.Count-1;i++)
M\vwI" if(e.Item.ItemType==ListItemType.EditType)
Cmu@4j& {
iky|Tp e.Item.Cells.Attributes.Add("Width", "80px")
w?3p';C }
uOKCAqYa }
zy?.u.4L N%kt3vmQ_ 26.对话框
zofa-7'Bn private static string ScriptBegin = "<script language=\"JavaScript\">";
toLV4BtIG private static string ScriptEnd = "</script>";
#:jHp44J V4hiGO[ public static void ConfirmMessageBox(string PageTarget,string Content)
Fiv3 {. {
,ZaRy$? string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
9 *xR6 czA5n ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
R$v[!A+:' >~#yu&*D Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
B`YTl~4 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
v>:Ur}u!D //Response.Write(strScript);
f<
ia(d }
>q#rw _uWpJhCT 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
]"r&]qx7 4hO!\5-w: 1.1 取当前年月日时分秒
V08?-Iz$ currentTime=System.DateTime.Now;
gK_Ymq5>"M u6?Q3
bvI 1.2 取当前年
XYjV.j\ int 年= DateTime.Now.Year;
H
>j +j#+8Ze 1.3 取当前月
tankR9(o int 月= DateTime.Now.Month;
[O$Wa:< 0x VdPtPq1 1.4 取当前日
w+C7BPV& int 日= DateTime.Now.Day;
t\?ik6 mGtdO/C#B 1.5 取当前时
FFl!\y*0z int 时= DateTime.Now.Hour;
cIUHa \}+_Fo/ 1.6 取当前分
H[{F'c[e int 分= DateTime.Now.Minute;
G"klu grS:j+_M2m 1.7 取当前秒
y.anl int 秒= DateTime.Now.Second;
I+BHstF5um WeJl4wF 1.8 取当前毫秒
`
w=>I int 毫秒= DateTime.Now.Millisecond;
cT<1V!L4 3Ko/{f 28.自定义分页代码:
hM@
H A |pm7 _[ 先定义变量 :
pyH:#5 public static int pageCount; //总页面数
O&vVv _zh public static int curPageIndex=1; //当前页面
g=39C> X]'{(?Ch 下一页:
T,7Y7c/3V if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
_7<FOOM%8y {
J{'>uD.@ DataGrid1.CurrentPageIndex += 1;
3?[dE< curPageIndex+=1;
pN!}UqfI- }
'ZT^PV\ 1Y/s%L bind(); // DataGrid1数据绑定函数
:X0k]p %WSo b@f8 上一页:
s&A}
h if(DataGrid1.CurrentPageIndex >0)
mi
ik%7>W {
B,<da1(a DataGrid1.CurrentPageIndex += 1;
VE#Wb7 curPageIndex-=1;
c(J!~7 }
1cxrH+N lAi6sPG)0 bind(); // DataGrid1数据绑定函数
?Q sQnQ 'GB.UKlR 直接页面跳转:
YbR!+ 0\g int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
+lm{Olm'^ 4F)-"ck if(a<DataGrid1.PageCount)
.)RzT9sg {
vo`2\R. this.DataGrid1.CurrentPageIndex=a;
05z,b]>l }
kr+D,h01 t'VV>;-RO= bind();
YHkn2]^#A n\QgOSr< 29.DataGrid使用:
|h- QP#]/ 0Z~p%C<LW 添加删除确认:
.}^g!jm~h private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ao%NK<Lt {
&wie] foreach(DataGridItem di in this.DataGrid1.Items)
Uhe=h&e2k@ {
JX-'
mV` if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
`q?8A3A {
BZ:H`M`n ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
#EO9UW5 }
t=|evOz] }
(gy#js# }
&{ay=Mj LISM ngQ. 样式交替:
./,/y"x ListItemType itemType = e.Item.ItemType;
lm!.W5-l qo p^;~ if (itemType == ListItemType.Item )
B$-R-S6 {
GO8GJ;B-U e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
$AfM>+GQ`n e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
RLw;(*(g }
h^?\xm| else if( itemType == ListItemType.AlternatingItem)
Y-pzy']4 {
.JYaH? e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
}B8IBveu e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
kB3H="3[[ }
m4aB*6<lq iEd\6EZ 添加一个编号列:
1HXjN~XF DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
DAS/43\ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
p=;=w_^y '{E@*T/<. for(int i=0;i<dt.Rows.Count;i++)
8WtsKOno {
X<i^qoV dt.Rows["number"]=(i+1).ToString();
@HQ`~C#Z' }
s@9vY\5[9 #i@;J]x( DataGrid1.DataSource=dt;
SNfr"2c'h~ DataGrid1.DataBind();
Px$/ _`H 0TCBQ~ " DataGrid1中添加一个CheckBox,页面中添加一个全选框
{aY%gk?y#> private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
GKOD/, {
WfWN(:dF foreach(DataGridItem thisitem in DataGrid1.Items)
"^4_@ oo {
t\NqR ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
iJ~Zkd }
ad.3A{ }
=x!2Ak/) KB%"bqB| 将当前页面中DataGrid1显示的数据全部删除
r
YogW! foreach(DataGridItem thisitem in DataGrid1.Items)
&0='r;*i {
yOphx07 ( if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
74H)|Dkx {
%70~M_ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
L%BNz3:Dt Del (strloginid); //删除函数
i;NUAmx }
(&}i`}v_ }
,a gc !_`&Wks 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)
aa?w:3 ,$+lFv3LE 在Application_Start中添加以下代码:
c\iA89msp Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
=; ^%(%Y{m AppSettings["ConnStr"].ToString();
fBalTk;G{U z8QAo\_I( 31. 变量.ToString()
:|_'fNd+! &=#[(vl 字符型转换 转为字符串
_z'u pb& 12345.ToString("n"); //生成 12,345.00
i
7_ _ 12345.ToString("C"); //生成 ¥12,345.00
/e7O$L)
12345.ToString("e"); //生成 1.234500e+004
^.#jF#u~ 12345.ToString("f4"); //生成 12345.0000
J/\V%~
1F 12345.ToString("x"); //生成 3039 (16进制)
zhpx"{_ 12345.ToString("p"); //生成 1,234,500.00%
*RXbc~
H L!rw[x 32、变量.Substring(参数1,参数2);
L{hnU7sY (IC]?n} 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);
<<(wa
j IIg^FZ*]_ 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)
LNrX;{ Z <SCRIPT language="javascript">
j<u@j+V <!--
T?
tG~ function gook(pws)
])L
A42| {
CZ(/=3,3n frm.submit();
& @s!<9$W }
KHgBo}6 //-->
@n(Z$)8tR dE:+k/ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
0o+6Q8q <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
y9_K, g <tr>
A3|Dz&@: <td>
MO&}r7qq <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
h v8P4"i v <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
VG,u7A*Z# <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
zoOaVV&1 > ?6&c <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
+)j$|x~(A <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
c%&:6QniZ !'mq ?C= </td>
_acE:H %;e/7`>Ma </tr>
)^4\,u\@ T(e!_VY|m </form>
3T"j)R_=l > `n,S 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
|55N?=8 /G5d|P 下面是获取用户输入的登陆信息的代码:
|_`E1Y}} string name;
R$[#+X! name=Request.QueryString["EmailName"];
"Jt.lL ]5 4zJtOK?r" try
}"=AG {
"NgxkbDEbG int a=name.IndexOf("@",0,name.Length);
tcLnN: f_user.Value=name.Substring(0,a);
LXEfPLS f_domain.Value=name.Substring(a+1,name.Length-(a+1));
t*>R`,j f_pass.Value=Request.QueryString["Psw"];
enp)-nS0 }
7qj9&bEy t: #6sF catch
c3:,Ab| {
UVw~8o9s Script.Alert("错误的邮箱!");
ag*mG*Z Server.Transfer("index.aspx");
:cq9f2) }