1. 打开新的窗口并传送参数:
,CqWm9 Xd(^7~i 传送参数:
XKWq{,Ks response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
*{ rorir +bznKy! 接收参数:
xgk~%X%K string a = Request.QueryString("id");
kq}byv}3I string b = Request.QueryString("id1");
2z-Nw <bA w/6X9d 2.为按钮添加对话框
{'IO Button1.Attributes.Add("onclick","return confirm(’确认?’)");
11oNlgY& button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
%,@pV%2 p{w- 3.删除表格选定记录
Tdi^P}i_ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
:r*hY$v string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Fl`U{03 8US#SI'x 4.删除表格记录警告
GLf!i1Z private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
-EiTP:A {
J
p?XV<3Z switch(e.Item.ItemType)
IJ Jp5[w {
E{\CE1* case ListItemType.Item :
cB uuq case ListItemType.AlternatingItem :
r!Eh}0bL case ListItemType.EditItem:
w ,j*I7V TableCell myTableCell;
mh3S?Uc myTableCell = e.Item.Cells[14];
\bARp z?a LinkButton myDeleteButton ;
\;&;K'
myDeleteButton = (LinkButton)myTableCell.Controls[0];
&E&~9"^hQL myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Pe@#6N` break;
od)TQSo default:
/PwiZA3sA break;
%/A>'p,~ }
16L YVvmW O(-p
md, }
IhNX~Jg'^ 5MnP6(3$ 5.点击表格行链接另一页
-.h)CM@L private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
vD#U+ {
(=!At)O //点击表格打开
l eC!Yj if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R/~!km e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
1$0Kvvg[ }
vfkF@^D x9 > ho 双击表格连接到另一页
GB$`b'x@S F!X0Wo= 在itemDataBind事件中
@;4;72@O if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
s;vt2>;q+e {
Ih.+-!w string OrderItemID =e.item.cells[1].Text;
AX v
q~XE ...
uyYV_Q0~; e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
j.&dHtp }
M{jXo%C uMQI Aapb 双击表格打开新一页
L3%frIUd if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{xZY4b2 {
a&%aads string OrderItemID =e.item.cells[1].Text;
~0p8joOH ...
?,pwYT0g e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
q=X<QhK }
"KIY+7@S} T1d@=&0" ★特别注意:【?id=】 处不能为 【?id =】
vFk@
6.表格超连接列传递参数
d'';0[W) <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
}k }=e <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
nYx
/q
o
]*yI[\ 7.表格点击改变颜色
x {NBhq(4 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
GJ%^hr`P {
E*YmHJ:k e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
B=cA$620 this.style.color=’buttontext’;this.style.cursor=’default’;");
}+!"mJx@ }
in1rDN%Vi dEk#"cvg 写在DataGrid的_ItemDataBound里
HgY@M if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
"&={E{pQ {
liS' e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
8!2)=8|f this.style.color=’buttontext’;this.style.cursor=’default’;");
!P{ /;Q e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
|Y!^E %* }
cNd&C'/N `Q*`\-8J {bXN[=j 8.关于日期格式
q1VKoKb6\: T~xVHk1 日期格式设定
|qX?F` DataFormatString="{0:yyyy-MM-dd}"
a[K&;) qraXAQ 我觉得应该在itembound事件中
x"z\d,O%W e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Tr?p/9.m
g4^-B 9.获取错误信息并到指定页面
6,=Z4> GN|"RuQ 不要使用Response.Redirect,而应该使用Server.Transfer
) f~;P+ |.c4y* e.g
|m-N5$\IC // in global.asax
N*A*\B%{x' protected void Application_Error(Object sender, EventArgs e) {
Iy_5k8] if (Server.GetLastError() is HttpUnhandledException)
AZ!/{1 Az Server.Transfer("MyErrorPage.aspx");
!}6'vq gfggL&t( //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
V(TtOuv }
I">"> xo@1((|z 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
hF-QbO EGD{nE 10.清空Cookie
@{@b^tk Cookie.Expires=[DateTime];
h{)m}"n<R Response.Cookies("UserName").Expires = 0
xdO3koE: 7g*!6-W[ 11.自定义异常处理
HAH\#WE //自定义异常处理类
*<^C0:i( using System;
b]u=Iza using System.Diagnostics;
x@Gg fH<l M5VW1Ns namespace MyAppException
w,IJ44f ^% {
--]blP7 /// <summary>
(3N/DY1/ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
5J`w8[; /// 自动将异常内容记录到Windows NT/2000的应用程序日志
.f$2-5q /// </summary>
XuP%/\ public class AppException:System.ApplicationException
zYaFbNi {
CNRSc4Le public AppException()
XgxO:"B {
m@<,bZkl if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
uRy}HLZ" }
G+=Gc(J bg|$1ue public AppException(string message)
K["rr/ {
S5JMt;O LogEvent(message);
T}!9T!(HdF }
H{=]94 wp~}1]g public AppException(string message,Exception innerException)
4Y?fbb< {
&~eCDlX/ LogEvent(message);
7NJl+*u if (innerException != null)
d>Tv?'o`q {
\8#[AD*@s2 LogEvent(innerException.Message);
IS8 sJ6") }
!y@\w }
:NLY;B` l'l&Zqd //日志记录类
?u2\*@C using System;
F(1E@xs using System.Configuration;
S<(i /5Z+ using System.Diagnostics;
d\qszYP[ using System.IO;
pq0Z<b;2 using System.Text;
.+>fD0fW7Y using System.Threading;
{ 5 r]G /'8%=$2Kw namespace MyEventLog
3\Amj}RJ {
iJOoO"Ai /// <summary>
xlZh(pf /// 事件日志记录类,提供事件日志记录支持
J-+mdA /// <remarks>
3F,M{'q /// 定义了4个日志记录方法 (error, warning, info, trace)
;jxX /c /// </remarks>
1a9' *[ /// </summary>
[`tOhL public class ApplicationLog
RV@B[: {
:#vA5kC /// <summary>
1o5kP,) /// 将错误信息记录到Win2000/NT事件日志中
0VvY(j:hp /// <param name="message">需要记录的文本信息</param>
PoZ$3V$(Lz /// </summary>
fKEDe>B5 public static void WriteError(String message)
$-DW+|p.?^ {
zji9\ WriteLog(TraceLevel.Error, message);
eLT3b6'"? }
ty!DMg# 6\l F /// <summary>
Q:)4 /// 将警告信息记录到Win2000/NT事件日志中
nGGw(6c%> /// <param name="message">需要记录的文本信息</param>
VP< zOk7 /// </summary>
6MOwn*%5k public static void WriteWarning(String message)
2L^/\!V# {
e3n^$'/\r WriteLog(TraceLevel.Warning, message);
&LM@xt4"^[ }
VXCB.C" #HL$`&m /// <summary>
0qR#o/~I /// 将提示信息记录到Win2000/NT事件日志中
X,@nD@ /// <param name="message">需要记录的文本信息</param>
@j\;9>I/ /// </summary>
;|T|*0vY[ public static void WriteInfo(String message)
tY#&_%W {
u9:sj WriteLog(TraceLevel.Info, message);
R;AcAJ; }
euY+jc% /// <summary>
@}jg5} /// 将跟踪信息记录到Win2000/NT事件日志中
&pl)E$Y /// <param name="message">需要记录的文本信息</param>
<.g)?nj1 /// </summary>
<Y /3U public static void WriteTrace(String message)
5<X"+`=9 {
>l}v
_k*~B WriteLog(TraceLevel.Verbose, message);
8Ud.t=2 }
3q'nO-KJ ,6y.wNb :F /// <summary>
FXk*zXn6 /// 格式化记录到事件日志的文本信息格式
[*K9V/ /// <param name="ex">需要格式化的异常对象</param>
y=8KNseW| /// <param name="catchInfo">异常信息标题字符串.</param>
8F\'?7 /// <retvalue>
B$c'^
) /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
%A
5s?J? /// </retvalue>
L?N:4/0;! /// </summary>
<> HI(6\@Z public static String FormatException(Exception ex, String catchInfo)
D0\*WK$ {
%>nAPO+e StringBuilder strBuilder = new StringBuilder();
F6{
O if (catchInfo != String.Empty)
&: LE]w {
/W>?p@j+K strBuilder.Append(catchInfo).Append("\r\n");
aIT0t0. }
v3~`1MM strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
r
*N@%T return strBuilder.ToString();
T#E,^|WEk }
M+-odLltw cl23y}J_? /// <summary>
c(Xm~
'jeH /// 实际事件日志写入方法
vzAY+EEx /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
1OY
5tq /// <param name="messageText">要记录的文本.</param>
,*Wh{) /// </summary>
S41S+#7t* private static void WriteLog(TraceLevel level, String messageText)
<F}j;mX {
Lz9|"F"V try
~A/vP- {
1Xcj=I-4 EventLogEntryType LogEntryType;
Mj0jpP<uf switch (level)
!
.Pbbs% {
H5vg s2R case TraceLevel.Error:
*` - LogEntryType = EventLogEntryType.Error;
q%s<y+ break;
c-~i=C] case TraceLevel.Warning:
JWM4S4yZHR LogEntryType = EventLogEntryType.Warning;
R74RJi& break;
% T$!I (L& case TraceLevel.Info:
*ax&}AHK[/ LogEntryType = EventLogEntryType.Information;
Cs]\3R|D` break;
J{;\TNkJ case TraceLevel.Verbose:
}lkU3Pf1U LogEntryType = EventLogEntryType.SuccessAudit;
A;xH{vo{ break;
sz7<u| default:
DBfq9%J _ LogEntryType = EventLogEntryType.SuccessAudit;
&4t=Y`]SL break;
u<\Sf" fs }
2zsDb'r =?M{B1;H EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
?YFSK //写入事件日志
o|KmKC n> eventLog.WriteEntry(messageText, LogEntryType);
AGlFbc(L UZJs!#P }
]7,0}q. catch {} //忽略任何异常
tTq2AR| }
Rs]Y/9F;{ } //class ApplicationLog
)x,-O#"A }
5p.#nc!;y lA,[& 12.Panel 横向滚动,纵向自动扩展
O2Y1D`&5 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
xs)SKG* O8*yho 13.回车转换成Tab
1OFrxSg <script language="javascript" for="document" event="onkeydown">
KWVl7Kw#e if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
-<\hcV`& event.keyCode=9;
K?S5C8 </script>
/u'V>=D;f 6
#jpA.; onkeydown="if(event.keyCode==13) event.keyCode=9"
cW{ Bsr
sVS),9\} 14.DataGrid超级连接列
a{I(Qh!} DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
`cmzmQC s|Vbc@t 15.DataGrid行随鼠标变色
Y0Rk:Njc private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
aH$DEs {
e&pt[W}X%u if (e.Item.ItemType!=ListItemType.Header)
H"JzTo8u {
,7Q b24A e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
mj& 4FQ#O* e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Wh?3vZ^ }
T ^`R }
yEL5U{ @vi;P ^1! 16.模板列
t] G hONN <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
bmRp)CYd <ITEMTEMPLATE>
XJ1<!tl <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
U)S!@2(4 </ITEMTEMPLATE>
>
8!9 </ASP:TEMPLATECOLUMN>
a[BIY&/Q V?Ca[ <ASP:TEMPLATECOLUMN headertext="选中">
%vWh1- <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
' '|R$9\@ <ITEMTEMPLATE>
r[&/*~xL <ASP:CHECKBOX id="chkExport" runat="server" />
|HTTTz9R. </ITEMTEMPLATE>
O=}jg0k <EDITITEMTEMPLATE>
y(6*)~Dh <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
h"$],= </EDITITEMTEMPLATE>
K"=I,Vr: </ASP:TEMPLATECOLUMN>
4V
5 -[A=\]RfJ 后台代码
@3Mp>u/ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
<QRRD*\ {
g/z7_Aq/ //改变列的选定,实现全选或全不选。
&(X-b"2 CheckBox chkExport ;
wn>?r
?KIB if( CheckAll.Checked)
MM/D5g {
:&=`xAX- foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
{r[g.@ {
`yua?n chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
BWG#W C chkExport.Checked = true;
AI*1kxR }
5uvFCY./c }
II}3w#r4 else
ujoJ6UOG {
F@@6D0\X? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
@O&; %IZMY {
I(0 *cWO chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!L55S03 chkExport.Checked = false;
wb (quu }
d7!, }
Ub*O*nre }
j?oh~7Ki `Ct fe8 17.数字格式化
%b3s|o3An JQ"w{O 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
L=-v>YL+ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
K Fn[ drf?7%v int i=123456;
aiwKkf`\ string s=i.ToString("###,###.00");
J4^aD;j ]w9\q*S] 18.日期格式化
8al%F_r] 0X4%Ccs 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
[<A|\d'x 2VA mL7) 显示为: 2004-8-11 19:44:28
Jhr3[A ;=E!xfp5U 我只想要:2004-8-11 】
LHgEb9\Q <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
|$.`4h? D eM/B5qw 应该如何改?
%Ig3udcY? IO]%AL(.; 【格式化日期】
+OX:T) 4h6 z !:%Hbh= 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
!6:X] =?gDM[t^ 【日期的验证表达式】
md`"zV :PF6xL& A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
0l>4Umxr{J ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
-k"5GUc| ,5HC&@ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
1wM~),B8 ^\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]))$
E)utrO R ;-!j,V+$h 【大小写转换】
I<^&~== HttpUtility.HtmlEncode(string);
%cFqD
& 6 HttpUtility.HtmlDecode(string)
7c
aV-8: ntt:>j$ 19.如何设定全局变量
Oa/# 2C~ sAfNu~d Global.asax中
hNF. kB $?A8Olu Application_Start()事件中
&3%V%_ ;7w4BJcq'] 添加Application[属性名] = xxx;
eg
Zb)pP [,As;a*o 就是你的全局变量
r*XEne i*ErxWzu 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
aX{i g6~B|?! HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
'n4$dv%q -"MB(` 【ASPNETMENU】点击菜单项弹出新窗口
}0z]sYI g|rbkK%SoE 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
kKEs >a <?xml version="1.0" encoding="GB2312"?>
9L9+zs3k <MenuData ImagesBaseURL="images/">
On4tK\l@ <MenuGroup>
.sR=Mf7 T <MenuItem Label="内参信息" URL="Infomation.aspx" >
Tkf
JC|6 <MenuGroup ID="BBC">
EQ>] ~
<MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
eY#_!{*Wn <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
X6<%SJC ......
*wD| eK7 xY94v 最好将你的aspnetmenu升级到1.2版
r\DA&b /yNLFL" 21.读取DataGrid控件TextBox值
=UMqa;\K foreach(DataGrid dgi in yourDataGrid.Items)
0s'H(qE,_ {
o/5loV3h TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
1&Ruz[F5 tb.Text....
sbV
{RSl }
l0-zu6iw mel(C1b"j/ 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?
|;k@Zlvc oZSPdk
〖思归〗
T?Y/0znB* <asp:TemplateColumn HeaderText="数量">
95%QF;h <ItemTemplate>
"[tb-$ER <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
&D*22R4{CX onkeyup="javascript:DoCal()"
%1^E;n />
0\2#(^ T5b*Ia <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
/Dk`vn2 eN </ItemTemplate>
>0Gdxj]\ </asp:TemplateColumn>
=!{
E!3>*D ;'~GuZ#I <asp:TemplateColumn HeaderText="单价">
9E-]S'Z <ItemTemplate>
7t~12m8x <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
LOf)D7T onkeyup="javascript:DoCal()"
W5_aS2$ />
rVF7!|& %kSpMj| <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
NT&skrzW >y{oC5S </ItemTemplate>
7IUu] Fi </asp:TemplateColumn>
Gbrc!3K2 aq-R#q <asp:TemplateColumn HeaderText="金额">
PG*:3![2 <ItemTemplate>
I' TprT <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
asd3J </ItemTemplate>
"ukiuCfVuW </asp:TemplateColumn><script language="javascript">
M:QM*?+) function DoCal()
3;Ztm$8 {
&x>8
%Q s var e = event.srcElement;
vS'l@`Eg] var row = e.parentNode.parentNode;
t`oH7)nut var txts = row.all.tags("INPUT");
q@0g KC&U if (!txts.length || txts.length < 3)
(>a8h~Na return;
!bg2(2z \mGok<b4 var q = txts[txts.length-3].value;
.qAlPe L: var p = txts[txts.length-2].value;
$G}!eV
6 : 7Jpt3 if (isNaN(q) || isNaN(p))
D,sb{N return;
kK&M>)&o# "-afHXED q = parseInt(q);
0P7sMCYu p = parseFloat(p);
)E>nr
Z ~D1&CT#s txts[txts.length-1].value = (q * p).toFixed(2);
K 0Gm ?( }
6Ud6F t6 </script>
{$fd?| 9h l`k""f69W (N
0kTi]b 5vo5t0^o 7x5wT ?2W 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。
6#za\[ page_load
yHNx,ra page.smartNavigation=true
z8-dntkf NL}Q3Vv1. 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
}ofx?s} private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
5g\>x;cc {
@4xV3Xkf&C for(int i=0;i<e.Item.Cells.Count-1;i++)
.bloaeu- if(e.Item.ItemType==ListItemType.EditType)
2?)8s"Y {
pb5q2|u`h e.Item.Cells.Attributes.Add("Width", "80px")
S<nf"oy_K }
"f |xIK`c }
wpI_yp vtu!* 7m 26.对话框
Y6w7sr_R private static string ScriptBegin = "<script language=\"JavaScript\">";
])tUXU> private static string ScriptEnd = "</script>";
}{y(&Oy3Y x?rn<= public static void ConfirmMessageBox(string PageTarget,string Content)
2.PZtl {
lGZf_X)gA^ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
V(c>1xLlz 4Mck/i2 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
t$zeBOI) c%x9.s<+1 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
^<OcbOn;O ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
.4O~a //Response.Write(strScript);
ONU,R\jMb- }
7Adg; U6x$R O! 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
hy|Yy&- Lh;U2pA 1.1 取当前年月日时分秒
)~2~q7 currentTime=System.DateTime.Now;
7GG:1:2+> EV.F/Wh 1.2 取当前年
zz**HwRt int 年= DateTime.Now.Year;
T:!f_mu| ;]\>jC 1.3 取当前月
$/#F9>eZ int 月= DateTime.Now.Month;
rm?C_ r<9G}9 1.4 取当前日
8_:j.(n int 日= DateTime.Now.Day;
Jk>!I\ )&vuT
q'7' 1.5 取当前时
Hzc5BC int 时= DateTime.Now.Hour;
GJ Takhj3 [~{'"-3L0 1.6 取当前分
f[fH1cu&` int 分= DateTime.Now.Minute;
Kv~'*A)d HnsPXF'8g 1.7 取当前秒
K=N8O8R$y int 秒= DateTime.Now.Second;
%Kzu&*9Hb Vf#g~IOI 1.8 取当前毫秒
LTWiCI int 毫秒= DateTime.Now.Millisecond;
^Gwpx+ [MXyOE 28.自定义分页代码:
5hj
_YqQ7 VKMgcfbHr/ 先定义变量 :
CEh!X=Nn public static int pageCount; //总页面数
7#+>1 "\ public static int curPageIndex=1; //当前页面
qe2@bG%2+F /CXQ&nwY9= 下一页:
}Yargj_Gn if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
\]|(w*C {
<i~=-Z( DataGrid1.CurrentPageIndex += 1;
!D|c2
curPageIndex+=1;
*4OB
88$ }
h$l`)AH^ 76(/(v.x bind(); // DataGrid1数据绑定函数
DI0Wk^ m Pe/8=+qO 上一页:
K,5_{pj if(DataGrid1.CurrentPageIndex >0)
Plj >+XRO {
)<(3 .M DataGrid1.CurrentPageIndex += 1;
}U ue}VOA curPageIndex-=1;
C Ef*:kr }
l1%ubu MGLcM&oR bind(); // DataGrid1数据绑定函数
kca#ssN /*e6('9s 直接页面跳转:
%;,4q B
int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
7* R
%zJ YVLK X}$)( if(a<DataGrid1.PageCount)
&fe67#0r) {
%:N;+1 this.DataGrid1.CurrentPageIndex=a;
wnjAiIE5 }
9_xrw:4 {J*|)-eAw bind();
9c{T|+] 5;@2SY7, 29.DataGrid使用:
]ONBr(M\ F60?%gg 添加删除确认:
nSpOTQ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
V;d<S@$ {
rEwd76? foreach(DataGridItem di in this.DataGrid1.Items)
ZxAk {
{sW>J0 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
I<qG{PA {
6
\}.l ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
3}5Ya\x }
}CM#jN?( }
/HVxZ2bar }
dlH&8 0@wXE\s 样式交替:
#_Z)2ESX ListItemType itemType = e.Item.ItemType;
1h3`y lUIh0%O if (itemType == ListItemType.Item )
sspGB>h8l {
zNM*xPgS e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
L, 2;-b| e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
zmFS]IOv$ }
nT9Hw~f<j else if( itemType == ListItemType.AlternatingItem)
L KLLBrm: {
D<'G\#n3I= e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
C6A!JegU e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
)Lg~2]'?j }
?{%"v\w 'HJ<"< 添加一个编号列:
]JQ}9"p=5 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
M44$E4a20 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
(Rsf;VPO z\-/R9E/5- for(int i=0;i<dt.Rows.Count;i++)
Uf9L*Z'6il {
'.]<lh! dt.Rows["number"]=(i+1).ToString();
LKgo(&mY }
kGu{[Rh C8%MKNPd DataGrid1.DataSource=dt;
,V[|c$ DataGrid1.DataBind();
]fSpG\yU e_}tK1XY DataGrid1中添加一个CheckBox,页面中添加一个全选框
Q@[ (0R1 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
U~w8yMxX {
KGGJ\r6 foreach(DataGridItem thisitem in DataGrid1.Items)
oG\lejO {
<B!DwMk;. ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
ee{K5 G }
1[!7xA0 j }
jS)YYk5 U+[h^M$U 将当前页面中DataGrid1显示的数据全部删除
=1\mLI}@ foreach(DataGridItem thisitem in DataGrid1.Items)
0|ekwTx. {
fo~>y if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
~Rw][Ys {
k\Y*tY#2 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
HLPY%VeD Del (strloginid); //删除函数
K^IB1U$ }
nF]zd%h }
a,h]DkD 9W&nAr 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)
]"'1-h91 Bm 4$ 在Application_Start中添加以下代码:
SPm2I(at7 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
<j1r6.E) AppSettings["ConnStr"].ToString();
Ymf@r?F< K5F;/KR" 31. 变量.ToString()
OHt^e7\ 'n}] 字符型转换 转为字符串
6?a z 12345.ToString("n"); //生成 12,345.00
.yHi"ss3 12345.ToString("C"); //生成 ¥12,345.00
eQ*zi9na 12345.ToString("e"); //生成 1.234500e+004
gHFQs](G. 12345.ToString("f4"); //生成 12345.0000
@sUec 12345.ToString("x"); //生成 3039 (16进制)
LtPaTe 12345.ToString("p"); //生成 1,234,500.00%
VO~%O.> lYmxd8 32、变量.Substring(参数1,参数2);
c]"w0a-`^@ j /@<= 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);
7rG+)kHG )4N1EuD6 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)
R ^ZOcONd- <SCRIPT language="javascript">
DB}v.. <!--
*BvdL:t function gook(pws)
^$]iUb{\ {
#J t1AV frm.submit();
u>=\.d< }
WJk3*$= //-->
WJ,? 5# m'M5O@? </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
VQ8Fs/Zt! <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
xVRxKM5 { <tr>
f4VdH#eng` <td>
/PbMt <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
7}e5a c <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
5 Pf)&iG <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
% bKy dKhS;!K9p <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
4q.yp0E <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
5F!i%{XQvm I@IE0+ [n </td>
}2S)CL= {R"mvB` </tr>
{`-AIlH( Hp5.F>- </form>
vy`
lfbX@ "H=N>=g0E 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。
^XG$?2<U E!uQ>'iq. 下面是获取用户输入的登陆信息的代码:
D&i,`j string name;
@|s$:;(= name=Request.QueryString["EmailName"];
HU$]o N F'CJN$6Mw/ try
uG/'9C6Z {
AMASh* int a=name.IndexOf("@",0,name.Length);
KzQFG)q , f_user.Value=name.Substring(0,a);
y:_>R=sw f_domain.Value=name.Substring(a+1,name.Length-(a+1));
)2# qi/ f_pass.Value=Request.QueryString["Psw"];
[XubzZ9 }
`TH\0/eE !yr4B"kz catch
=yoR>llbBC {
a8-V` Script.Alert("错误的邮箱!");
IusZY B Server.Transfer("index.aspx");
:*^aSPlV }