1. 打开新的窗口并传送参数:
!ITM:% A|1xK90^XT 传送参数:
5PZ7-WJ/ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
n.8870.BW ejyx[CF 接收参数:
y[.lfW?) string a = Request.QueryString("id");
EG qu-WBS string b = Request.QueryString("id1");
z-kv{y*Hu
qOy(dG g 2.为按钮添加对话框
N[3Y~HX!q Button1.Attributes.Add("onclick","return confirm(’确认?’)");
yH-&o, button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
DoFe:+_U3 Z]Udx 3.删除表格选定记录
x3FB`3y~s int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
r2+ZxMo| string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
ZT*}KJm +g7]ga 4.删除表格记录警告
?+7~E8 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
kI!@J6
{
~ !mY0odH switch(e.Item.ItemType)
v{|y,h&]a {
$dKfUlO case ListItemType.Item :
ww7nQ}H5( case ListItemType.AlternatingItem :
OAs>F" case ListItemType.EditItem:
3bezYk TableCell myTableCell;
"]G'^ myTableCell = e.Item.Cells[14];
2;>uP#1] LinkButton myDeleteButton ;
=>c0NT myDeleteButton = (LinkButton)myTableCell.Controls[0];
GqsV6kH myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
`3ha~+Goo! break;
5EQ)pH+ default:
aWRi`poZT break;
e8dZR3JL }
?'a>?al%> v\8v' EDP }
^.)0O3oC tlD^"eq4: 5.点击表格行链接另一页
5<`83;R9 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
qzvht4 {
/v<Gt%3X //点击表格打开
(n.IK/: if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
iOhX\@& e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
ga\s5
}
\F`>zY2$% FIfLDT+ Wh 双击表格连接到另一页
~E8/m_> rU 3]9wfT%d 在itemDataBind事件中
,7s+-sRG if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|,`"Omb9+m {
^pu8\K;~ string OrderItemID =e.item.cells[1].Text;
w<THPFFF" ...
P3W3+pwq e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
$PRd'YdL/ }
Zy9IRZe4U =s*c(> 双击表格打开新一页
)K]p^lO if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
wAW{{ p {
6p&2A string OrderItemID =e.item.cells[1].Text;
( z)#}TC ...
@8m%*pBg e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
=to.Oa RR }
eQ)*jeD U_'M9g{,< ★特别注意:【?id=】 处不能为 【?id =】
OhN2FkxL 6.表格超连接列传递参数
$v2t6wS," <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
f
]_ki <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
PE6,9i0ee /^jl||'H,: 7.表格点击改变颜色
:oW 16m1` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
EX!`Zejf {
xbw;s}B e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
u@:[ dbJ this.style.color=’buttontext’;this.style.cursor=’default’;");
$Lbamg->E }
zmD7]?| OY81|N
j 写在DataGrid的_ItemDataBound里
6
F 39' if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^fO9oPM| {
KwaxNb5 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
ztHx)
! this.style.color=’buttontext’;this.style.cursor=’default’;");
}BT0dKx e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
](n)bF+ym }
!PeSnO p`\>GWuT! _}JMBIq$ 8.关于日期格式
[OOQ0c~ V>obMr^5 日期格式设定
u' kG(<0Y DataFormatString="{0:yyyy-MM-dd}"
<VstnJo`Z ~&<vAgy, 我觉得应该在itembound事件中
Crj7n/mp]s e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Mr4,?Z&`-d = vF! 9.获取错误信息并到指定页面
0Ba]Zo Z h$9ut@I 不要使用Response.Redirect,而应该使用Server.Transfer
.]4MtG 9a+Y )?z e.g
Hq gg*4# // in global.asax
0uM&F[.x@g protected void Application_Error(Object sender, EventArgs e) {
- e0[$v if (Server.GetLastError() is HttpUnhandledException)
$.w$x1 Server.Transfer("MyErrorPage.aspx");
FAc^[~E ojm IEzsz //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
#1*7eANfr }
nJYIkfdA =<PEvIn 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
.w{Y3,dd> -w"lW7 10.清空Cookie
"Lk BN0D Cookie.Expires=[DateTime];
9I<~t@q5e@ Response.Cookies("UserName").Expires = 0
2v@B7r4} ] `q]n 11.自定义异常处理
kMLJa=]$ //自定义异常处理类
tEo-Mj5: using System;
n`w]? bL using System.Diagnostics;
Pe\Obd8d \k"Ct zoX namespace MyAppException
A*/8j\{n {
LxWd_B /// <summary>
XHJ`C\xR /// 从系统异常类ApplicationException继承的应用程序异常处理类。
YIgHLM( /// 自动将异常内容记录到Windows NT/2000的应用程序日志
\ %MsG /// </summary>
<z#Fj`2{ public class AppException:System.ApplicationException
-L6CEe {
YXqYIG.G public AppException()
/!;v$es
S {
kQd|qZ=:w if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
:06.b:_ }
/|H9Gm 7mXXMm public AppException(string message)
^LB] {
z'1%%.r;FM LogEvent(message);
8L_OH }
S|@/"?DC :Ru8Nm public AppException(string message,Exception innerException)
xqY'-Hom {
84e8z { LogEvent(message);
-z-yk~F if (innerException != null)
;&}z
L.!jo {
(jyufHm LogEvent(innerException.Message);
:HY =^$\ }
xw_)~Y%\ }
(4ZO[Ae FAM:; F30 //日志记录类
o^"OKHU,S0 using System;
|sFd5X using System.Configuration;
&&LB0vH!J using System.Diagnostics;
ir{
4k using System.IO;
$- %um using System.Text;
EN/t5d using System.Threading;
'
i5KRFy- $YY{|8@kjv namespace MyEventLog
4<E <sD {
m`q&[: /// <summary>
ewdTsgt' /// 事件日志记录类,提供事件日志记录支持
L%\Wt1\[ /// <remarks>
52#6uBe /// 定义了4个日志记录方法 (error, warning, info, trace)
m2l9([u=^ /// </remarks>
LA2/<: /// </summary>
&hL2xx= public class ApplicationLog
(^g XO {
Q/4ICgo4 /// <summary>
&)||~ /// 将错误信息记录到Win2000/NT事件日志中
W1)<!nwA /// <param name="message">需要记录的文本信息</param>
W+"^! p| /// </summary>
0MxK+8\y public static void WriteError(String message)
YtWw)IK {
!plu;w WriteLog(TraceLevel.Error, message);
q^zG+FN }
M,li\)J!& w3>11bE /// <summary>
F$'u` /// 将警告信息记录到Win2000/NT事件日志中
<`; {gX1 /// <param name="message">需要记录的文本信息</param>
f$-n%7 /// </summary>
55$';gh,9 public static void WriteWarning(String message)
mF+8Q {
7_)38 WriteLog(TraceLevel.Warning, message);
MY
c& }
(F.w?f4B3 A9K$:mL<2 /// <summary>
]a~sJz! /// 将提示信息记录到Win2000/NT事件日志中
39P55B/o% /// <param name="message">需要记录的文本信息</param>
E7@Gpu,o /// </summary>
~UO}PI`C public static void WriteInfo(String message)
Rj>A", {
:p]e4|R WriteLog(TraceLevel.Info, message);
q<z8P;oP^ }
~re}6-? /// <summary>
|_8l9rB5ip /// 将跟踪信息记录到Win2000/NT事件日志中
GQA\JYw|oY /// <param name="message">需要记录的文本信息</param>
rrj.]^E_~ /// </summary>
##xvuLy-6 public static void WriteTrace(String message)
3Os0<1@H {
t[X^4bZd WriteLog(TraceLevel.Verbose, message);
kAPSVTH$v }
?{`7W>G m&xVlS /// <summary>
]Z6? m /// 格式化记录到事件日志的文本信息格式
Zxqlhq/) /// <param name="ex">需要格式化的异常对象</param>
Dr%wab"yy /// <param name="catchInfo">异常信息标题字符串.</param>
,i<cst)$u /// <retvalue>
hf2bM
`d /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
.n YlYY' /// </retvalue>
Y&Fg2_\"> /// </summary>
vS0 ii public static String FormatException(Exception ex, String catchInfo)
!-3;Qj}V {
Y\B6c^E) StringBuilder strBuilder = new StringBuilder();
$)o0{HsL+ if (catchInfo != String.Empty)
Mz2TwU_ {
.RFH@'' strBuilder.Append(catchInfo).Append("\r\n");
>8OY6wb }
5.&)hmpg strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
y1PyH return strBuilder.ToString();
G'-#99wv. }
HZWt>f D^.
c: /// <summary>
=QtFJ9\ /// 实际事件日志写入方法
`\\s%}vZ*T /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Q{950$)L /// <param name="messageText">要记录的文本.</param>
gSw<C+ /// </summary>
`t)9u^[<( private static void WriteLog(TraceLevel level, String messageText)
y'4Qt.1ukN {
Q/0gd? U? try
9oO~UP!ag {
1kL8EPT%o EventLogEntryType LogEntryType;
},JJ!3 switch (level)
7/QK"0 {
t? 6 et1~ case TraceLevel.Error:
>jIn&s!} LogEntryType = EventLogEntryType.Error;
_&S#;ni\c break;
BYM6cp+S case TraceLevel.Warning:
{9V.l.Q LogEntryType = EventLogEntryType.Warning;
kVKAG\F break;
_]4p51r0 case TraceLevel.Info:
*DfOm`m LogEntryType = EventLogEntryType.Information;
dr=Q9% break;
>&S}u\/ case TraceLevel.Verbose:
76<mP*5 LogEntryType = EventLogEntryType.SuccessAudit;
y||RK`H break;
T~Bj],k_ default:
u4SL:IH{D LogEntryType = EventLogEntryType.SuccessAudit;
-/{FGbpR; break;
xt,Qn460; }
bl^Ihza oU\7%gQ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
-q{N1?tcy //写入事件日志
}a~hd*-# eventLog.WriteEntry(messageText, LogEntryType);
'gs P9
w 0= }
23L>)Q catch {} //忽略任何异常
jLVD37 P^ }
=%IyR } //class ApplicationLog
^&1O:G*" }
|H_WY# !vR Zh('R 12.Panel 横向滚动,纵向自动扩展
b- t <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
f?k0(rl ,
%z HykP 13.回车转换成Tab
~BJE~ <script language="javascript" for="document" event="onkeydown">
o|z@h][(l( if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
AK&>3D event.keyCode=9;
|w{Qwf!2 </script>
\b(&-=( ~KMah onkeydown="if(event.keyCode==13) event.keyCode=9"
N2A6C$s '0q$qN 14.DataGrid超级连接列
*qO)MpG{ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Nv36#^Z
iD_y@+iz 15.DataGrid行随鼠标变色
TQ4L~8 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
T&]-p:mg^ {
|JYb4J4Ni if (e.Item.ItemType!=ListItemType.Header)
QWfSm^
t {
{P~rf&Ee e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
d8jH?P-" e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
naf ~#==vc }
ySO\9#Ho }
9c)#j&2?H ;Hk3y+&]a 16.模板列
(wZ!OLY%} <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
? F
#&F <ITEMTEMPLATE>
<YFDS;b| <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
U0j>u*yE </ITEMTEMPLATE>
NC-K`) </ASP:TEMPLATECOLUMN>
_`\!+qGq YWH>tt9 <ASP:TEMPLATECOLUMN headertext="选中">
oxc;DfJ_ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
PJN9[Y{^3 <ITEMTEMPLATE>
;HXk'xN <ASP:CHECKBOX id="chkExport" runat="server" />
0!dNW,NfJ </ITEMTEMPLATE>
o6O-\d7^M <EDITITEMTEMPLATE>
{j>a_]dTVX <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
BM /FOY; </EDITITEMTEMPLATE>
8Zsaq1S </ASP:TEMPLATECOLUMN>
[//i "Nm VrZfjpV 后台代码
NLL"~ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Ju47} t%HB {
VM\R-[ //改变列的选定,实现全选或全不选。
{ac$4#Bp[B CheckBox chkExport ;
]}rNxT4< if( CheckAll.Checked)
T@yQOD7 {
BkXv4|UE foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
iG6]Pr|;e {
{HEWU<5 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
R~oJ-}iYX chkExport.Checked = true;
IXa~,a H71 }
*2a" 2o }
l6HtZ( else
ekyCZ8iai {
4};@QFT* foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
(cLK hn@ {
&]n }fq chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
,6g{-r-2 chkExport.Checked = false;
%[*-aA }
0@zJa;z' }
IVSC7SBiT }
(?1$ KZ7B2 17.数字格式化
?tjEXg>ny M+
%O-B 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
(rBsh6@) <%#Container.DataItem("price","{0:¥#,##0.00}")%>
cl^UFlf[ V[/9?5pM int i=123456;
06.%9R{ string s=i.ToString("###,###.00");
N+c|0 jJiuq#;T3 18.日期格式化
n&;JW6VQS U%:%. Bys 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
[l5jPL}6 ~q566k!Ll! 显示为: 2004-8-11 19:44:28
9/0H,qZc *>=tmW;% 我只想要:2004-8-11 】
`S|F\mI~
<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
$GRw k>N 9abUh3 应该如何改?
a[~[lk=7 GCN-T1HvA2 【格式化日期】
L.@$rFhA |9S8sfw 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
<h/q^| tZ{ M{24MF 【日期的验证表达式】
n>.@@ h8UhrD<: A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
u/j\pDl. ^((\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})))?$
Hu<]*(lK% PxrT@.T$ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
BGibBF^ ^\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]))$
L%v@|COQ3 |=IJ^y(x| 【大小写转换】
y+iRZ%V^ HttpUtility.HtmlEncode(string);
75Z|meG~ HttpUtility.HtmlDecode(string)
AJi+JO- np^&cY] 19.如何设定全局变量
<T[LugI 3'.3RKV Global.asax中
R&W%E%uj bDWLHdu
a Application_Start()事件中
G]aey>) ~Re4zU 添加Application[属性名] = xxx;
Fc`IRPW< 'Jf
LTG. 就是你的全局变量
85&7WAco"B $;Fx Zkp 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Xf&YcHo X:Z3R0 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
p)B/(% J(#6Cld`c 【ASPNETMENU】点击菜单项弹出新窗口
G;cC!x< h623)C; 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
MS""-zn< <?xml version="1.0" encoding="GB2312"?>
%^lD <MenuData ImagesBaseURL="images/">
Gf.ywqE$Y$ <MenuGroup>
72~L ? <MenuItem Label="内参信息" URL="Infomation.aspx" >
ZskX!{ <MenuGroup ID="BBC">
Ne<S_u2nT <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
dnD@BQ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
<MG&3L.[ ......
u
$-&Im< 2EM6k|l5 最好将你的aspnetmenu升级到1.2版
[G8EX3 M4)U
[v 21.读取DataGrid控件TextBox值
Ox J0." foreach(DataGrid dgi in yourDataGrid.Items)
IWv5UmjN {
#w|v.35%? TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
eowwN>-2C tb.Text....
Tfh2> }
7#j.yf4 7 w,D2T 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
hGD@v{/ *bp09XG 〖思归〗
*D%w r'!> <asp:TemplateColumn HeaderText="数量">
MUl7o@{' <ItemTemplate>
e]1'D <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
o7E|wS onkeyup="javascript:DoCal()"
P,pC Z+H />
#:BkDidt2v \12G,tBH <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
{?lndBP< </ItemTemplate>
z**2-4 z </asp:TemplateColumn>
}d;2[fR) \ejHM}w3, <asp:TemplateColumn HeaderText="单价">
tm5{h{AM <ItemTemplate>
rVP\F{Q4Tr <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
'9u?lA^9$ onkeyup="javascript:DoCal()"
jA9uB.I,"b />
AcuZ?LYzK ,(q]
$eOZ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
grE(8M 4#>Z.sf </ItemTemplate>
?u:`?(\ </asp:TemplateColumn>
L~/,;PHN >(P(!^[f <asp:TemplateColumn HeaderText="金额">
lv/im/]v <ItemTemplate>
l9uocP:D <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
3 orZBT </ItemTemplate>
`Ns@W? </asp:TemplateColumn><script language="javascript">
!{+CzUo@ function DoCal()
'MW%\W; {
M *w{PjU var e = event.srcElement;
AJB
NM var row = e.parentNode.parentNode;
RN 4?]8 var txts = row.all.tags("INPUT");
d`rZgY if (!txts.length || txts.length < 3)
A'`F Rx( return;
55s5(]`d m2^vH+wD var q = txts[txts.length-3].value;
5FJLDT2Lg var p = txts[txts.length-2].value;
yfV]f
LZ z4_B/Q if (isNaN(q) || isNaN(p))
OR6vA5J
return;
:z P:4NW ^BLO}9A{P q = parseInt(q);
OF`J{`{r p = parseFloat(p);
xz0t8`NoN 2iM}YCV txts[txts.length-1].value = (q * p).toFixed(2);
v\dQjQu8m }
Tk[]l7R~ </script>
(bv{17K :@jctH~ %ZD]qaU0 P\K#q%8 Ox#vW6;) 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。
G7CkP page_load
U&6A)SW,k page.smartNavigation=true
(${:5W ,Tar?&C: 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
\&+Y;:6 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
}*rS g . {
]wDqdD y7S for(int i=0;i<e.Item.Cells.Count-1;i++)
qdZ ^D if(e.Item.ItemType==ListItemType.EditType)
eY#^vB {
wipl5O@L e.Item.Cells.Attributes.Add("Width", "80px")
R.WB.FP }
d #1&"( }
>)C7IQ/ \:Tq0|]Px 26.对话框
9d|8c >
I private static string ScriptBegin = "<script language=\"JavaScript\">";
8/j|=Q,5 private static string ScriptEnd = "</script>";
` Ny(S2 # *pB"L public static void ConfirmMessageBox(string PageTarget,string Content)
'kj
q C {
nG3SDL#(k string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
n\D/WLv M `XE>Td>Bs ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
\Y"S4<"R 0cKsGDm Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
2;T?ry7 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
?bM%#x{e //Response.Write(strScript);
+o4o!;E) }
TYD( 6N !m:WoQ/ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
;"IWm<]h;- Uv[a
~' 1.1 取当前年月日时分秒
($`IHKF1.l currentTime=System.DateTime.Now;
$+J39%Y!^ /9kxDbj 1.2 取当前年
XdThl int 年= DateTime.Now.Year;
7#+Ih-&EQ ~Yc~_)hD 1.3 取当前月
% t,42jQ9 int 月= DateTime.Now.Month;
^A&{g.0 aNKw.S> 1.4 取当前日
yNfj-wM int 日= DateTime.Now.Day;
B!J?,SB ):hz/vZ 1.5 取当前时
NLpKh1g int 时= DateTime.Now.Hour;
SaGI4O_\s } 'xGip@W 1.6 取当前分
$/
"+t.ir3 int 分= DateTime.Now.Minute;
G"&$7!6[Y H+I,c1sF 1.7 取当前秒
-w2^26ax int 秒= DateTime.Now.Second;
{J1rjrPo "2%R? 1.8 取当前毫秒
D3aX\ NGP int 毫秒= DateTime.Now.Millisecond;
KO8vUR*2R ?;](;n#lU 28.自定义分页代码:
G3|23G.~)( En7+fQ 先定义变量 :
0^Ldw)C" public static int pageCount; //总页面数
S+KKGi_e public static int curPageIndex=1; //当前页面
*0,*F ~n "k+ :!D 下一页:
:T$}@& - if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
\mu';[gLd {
vM5I2C3_>! DataGrid1.CurrentPageIndex += 1;
p&Nav,9x curPageIndex+=1;
+&"W:Le: }
&u|t{C#0 =.S2gO > bind(); // DataGrid1数据绑定函数
2u_=i$xW gYbvCs8O! 上一页:
_5n2'\] H` if(DataGrid1.CurrentPageIndex >0)
FEhBhv|m {
rMWvW(@@D DataGrid1.CurrentPageIndex += 1;
o/,%rA4 curPageIndex-=1;
a9lYX*: }
i:
-IZL\ 7ojh=imY bind(); // DataGrid1数据绑定函数
=3hJti9[ M.5F|7 直接页面跳转:
sCy.i/y int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
"Ke_dM =>Ae]mi7 if(a<DataGrid1.PageCount)
Kc
r)W {
;;UsHhbhI this.DataGrid1.CurrentPageIndex=a;
IuPDr % }
~hk!N!J\ IA1O]i
S bind();
W!8$:Ih_Z UE_>@_T 29.DataGrid使用:
BSy4
d> 4V@0L 添加删除确认:
GPAC0K^p private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
vr47PM2al {
(.oDxs()I foreach(DataGridItem di in this.DataGrid1.Items)
FLPN#1 {
Th,]nVsGs~ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
E.$//P n|1 {
@:hWahMy ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
W{ozZuo }
.-s!} P" }
Qh3+4nLFtb }
)I<VH+6 |'i ?o 样式交替:
Jnt
r"a-4 ListItemType itemType = e.Item.ItemType;
tMf5TiWu@ UlN}SddI9 if (itemType == ListItemType.Item )
jj `0w@ {
T2W^4) e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
7 je1vNs e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
T;3~teVYB }
)`5-rm~* else if( itemType == ListItemType.AlternatingItem)
D//58z& {
O{]}{Ss e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
4byh,t e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
w\t }
.*FlB>1jy /%?bO- 添加一个编号列:
Jz;`L3m DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
zSsogAx DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
*qMjoP, k3OnvnJb for(int i=0;i<dt.Rows.Count;i++)
>>J!| {
OB,T>o@ dt.Rows["number"]=(i+1).ToString();
N9 )ERW2`* }
nYRD>S?uz <N80MUL| DataGrid1.DataSource=dt;
g5Hsz,x DataGrid1.DataBind();
I GcR5/3 S9/\L6Rmf DataGrid1中添加一个CheckBox,页面中添加一个全选框
DML0paOm5 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
P#A|Pn<p {
8r\xQr'8h foreach(DataGridItem thisitem in DataGrid1.Items)
. 55aY~We {
jTQN(a9Y ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
-IV-"-6( }
AQ.q?'vE) }
p-g@cwOu S;vZXgyN? 将当前页面中DataGrid1显示的数据全部删除
Xw^:<Nx: foreach(DataGridItem thisitem in DataGrid1.Items)
DUm/0q& {
QQ,w:OjA0 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
)>=|oY3 {
)^^}!U#|e string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
~>$(5s2 Del (strloginid); //删除函数
10/3 -)+ }
!q PUQ+ }
J_|>rfW ~0.@1zEXj 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
YX2j;Y? pk=z<OTb 在Application_Start中添加以下代码:
M[T!AO-S$ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
p:U{3uN 62 AppSettings["ConnStr"].ToString();
3^&pb t;ga>^NA" 31. 变量.ToString()
s{j3F p7O4CP>9[ 字符型转换 转为字符串
p/s5[>N 12345.ToString("n"); //生成 12,345.00
CV7.hF< 12345.ToString("C"); //生成 ¥12,345.00
z!j`Qoh?V9 12345.ToString("e"); //生成 1.234500e+004
WHF:>0B 12345.ToString("f4"); //生成 12345.0000
2,%ne ( 12345.ToString("x"); //生成 3039 (16进制)
s*}d`"YvH 12345.ToString("p"); //生成 1,234,500.00%
0$49X 0MzHr2?'P 32、变量.Substring(参数1,参数2);
V'?nS&,i 9zd)[4%= 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
8i"{GGVC {gi"ktgk 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
1Kebl <SCRIPT language="javascript">
veE8
N~0N. <!--
7,LT4wYH function gook(pws)
}#u}{ {
L,X6L @Q frm.submit();
9k"nx ," }
#wm)e)2@ //-->
bmddh2 ]X _& </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
j({L6</x <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Ap> n4~ <tr>
!!K=v7M <td>
,|c_l) <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
\S2'3SDd/ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Wj*6}N/ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
wy&*6>. O "h+i>|l <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
n:!J3pR <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
I2l'y8)d a+BA~|u^ </td>
Em.? W]*wxzf!5z </tr>
=XS'V* wYawG$@_ </form>
p9sxA|O=y
4-n.4j| 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。
I5"=b}V5 u})JQ<| 下面是获取用户输入的登陆信息的代码:
\)"qN^we string name;
?%0i,p@< name=Request.QueryString["EmailName"];
QY fS- !c`1~a! try
jKQP0 t- {
:{6[U=O int a=name.IndexOf("@",0,name.Length);
5Q'R5]?h f_user.Value=name.Substring(0,a);
+1623E f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Gsh2 f_pass.Value=Request.QueryString["Psw"];
3a S>U # }
-T(V6&'Qi UX9o catch
";. 3+z {
Tuy*Df Script.Alert("错误的邮箱!");
5astv:p,P Server.Transfer("index.aspx");
MU^Z*r }