1. 打开新的窗口并传送参数:
vqm|D&HU _@DOH2lXJ 传送参数:
B=|R?t (* response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
,aP6ct ;wn9
21r 接收参数:
y )QLR<wf string a = Request.QueryString("id");
`YNzcn0x string b = Request.QueryString("id1");
Sdu\4;( #])"1fk 2.为按钮添加对话框
bb6x} jR Button1.Attributes.Add("onclick","return confirm(’确认?’)");
(GJtTp~2C4 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
_Mw3>GNl OoB|Eh|), 3.删除表格选定记录
eZ'8JU] int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
L'+bVP{L string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
TM)INo^ 6/UOzV,[ 4.删除表格记录警告
PLCm\Oh$l private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
GA^hev {
+kL7" switch(e.Item.ItemType)
aI=p_+.h {
'S`l[L:.8 case ListItemType.Item :
aU!}j'5Q case ListItemType.AlternatingItem :
^ZwZze:2 case ListItemType.EditItem:
^'`b\$km-0 TableCell myTableCell;
)|~K&qn` myTableCell = e.Item.Cells[14];
x~e._k= LinkButton myDeleteButton ;
Y2`sL,'h myDeleteButton = (LinkButton)myTableCell.Controls[0];
I dK*IA4 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
1&w%TRC2x break;
7^gO>2~ default:
gIB3DuUo break;
Od!)MQ*, }
$qNF /rF IiPX`V>RC }
%2QGbnt_* I9X\@lTf 5.点击表格行链接另一页
)z[C= private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
,^/Wv!uPE {
]Lv P)0= //点击表格打开
=pL$*`]? if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Nq8ON!<< e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
wHLQfrl0 }
E7X6RB b odhcD;^X1 双击表格连接到另一页
K~L&Z?~|E
Z
RVt2 在itemDataBind事件中
'O<b'}-A if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
q[s,q3n~ {
\{h_i
FU! string OrderItemID =e.item.cells[1].Text;
{ DYY9MG8 ...
S?688 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
K9N31' }
_^iY;& *!QmYH5r0 双击表格打开新一页
Z(MZbzY7Hq if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
lp`j3) {
;4 ;gaf string OrderItemID =e.item.cells[1].Text;
?8~l+m6s$ ...
6#z8 %kaX e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
6H|SiO9 }
'2^}de!E Phn^0 iF ★特别注意:【?id=】 处不能为 【?id =】
GfONm6A 6.表格超连接列传递参数
L3eF BF/ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
,DFN:uf=l <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
P(aBJ*((~ UC`h o%OBF 7.表格点击改变颜色
"r^RfZ; if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
a%%7Ew ? {
- Jaee,P e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
ZF7n]LgSc& this.style.color=’buttontext’;this.style.cursor=’default’;");
d"|_NG` vr }
PQaTS*0SXJ xlv(PVdn 写在DataGrid的_ItemDataBound里
Gu$/rb? if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
e$9a9twl {
L^qCE-[ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
,^9+G"H:I this.style.color=’buttontext’;this.style.cursor=’default’;");
fI1CT)0<e e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
A7L; ims7 }
[4"(\r\f P^te f ,e]jw@ 8.关于日期格式
/pF8S!,z d+DO}=] 日期格式设定
;hQ[- DataFormatString="{0:yyyy-MM-dd}"
j/t%7, 3@~a)E}T 我觉得应该在itembound事件中
ilL% e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
.gO|=E" J!Z6$VERy 9.获取错误信息并到指定页面
%R GZu\p o*K7(yUL4 不要使用Response.Redirect,而应该使用Server.Transfer
CR [>5/:M DuC#tDP e.g
K~:SLCv
E% // in global.asax
rWr'+v? protected void Application_Error(Object sender, EventArgs e) {
`l45T~`]$ if (Server.GetLastError() is HttpUnhandledException)
c/Pql!h+ Server.Transfer("MyErrorPage.aspx");
[8'?G5/n )>~jjR //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
3EY Ed39E }
z</C)ObL ?NA$<0 Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
JSUD$|RiJ b%lH=u 10.清空Cookie
-;cF)C--12 Cookie.Expires=[DateTime];
0MRWx%CR Response.Cookies("UserName").Expires = 0
vjX,7NY? P5my]4|x 11.自定义异常处理
#M!u';bZ //自定义异常处理类
%oiF} > using System;
gdIk%m4 using System.Diagnostics;
/Xi21W/ 0(i3RPIj\ namespace MyAppException
_i>_S n1" {
`,4yGgD!4 /// <summary>
)M;~j /// 从系统异常类ApplicationException继承的应用程序异常处理类。
(1x8DVXNN /// 自动将异常内容记录到Windows NT/2000的应用程序日志
G$,s.MSf /// </summary>
}[leUYi` public class AppException:System.ApplicationException
{XU!p: x {
/ /NV_^$y public AppException()
k
(AE%eA {
N[eLQe]q if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
T.cTL.} }
FWu:5fBZY Sfe[z=7S public AppException(string message)
$7YZ;=~B {
P[fy LogEvent(message);
|mMsU,*gB }
bIm4s 4L>8RiiQE; public AppException(string message,Exception innerException)
kk5&lak2V {
}"+"nf5h LogEvent(message);
e/hCYoS1n if (innerException != null)
G^{~'TZv% {
"d<ucj LogEvent(innerException.Message);
6"iNh) }
EY]H*WJJ }
*
1}dk`- l^I?@{W //日志记录类
~Bl,_?CBr using System;
d>u^7: using System.Configuration;
mh4 VQ9 using System.Diagnostics;
dF `7] using System.IO;
OGcdv{,P using System.Text;
qGq]E`O using System.Threading;
25Ee+&&%
G-i2#S namespace MyEventLog
g5U, {
MR|A_e^x /// <summary>
Foq3==*p /// 事件日志记录类,提供事件日志记录支持
`XF[A8@h /// <remarks>
AyQ5jkIE^{ /// 定义了4个日志记录方法 (error, warning, info, trace)
vRtERFL /// </remarks>
9+ Mj$ /// </summary>
MP}-7UA#K public class ApplicationLog
> 3x^jh {
$cn8]*Z= /// <summary>
Mxw-f4j /// 将错误信息记录到Win2000/NT事件日志中
QeF:s|[ /// <param name="message">需要记录的文本信息</param>
{;Hg1=cm /// </summary>
y#
\"yykB public static void WriteError(String message)
Lea4-Gc {
l`~$cK! WriteLog(TraceLevel.Error, message);
t>quY$}4 }
6 wd '{0O!y[H6 /// <summary>
YKUAI+ks /// 将警告信息记录到Win2000/NT事件日志中
1<~n2} /// <param name="message">需要记录的文本信息</param>
<mP_K^9c /// </summary>
K'2N:.D: public static void WriteWarning(String message)
j&dCP@G {
()j)}F#Z` WriteLog(TraceLevel.Warning, message);
1/1oT }
\4qF3# K"[jrvZ= /// <summary>
=W2.Nc /// 将提示信息记录到Win2000/NT事件日志中
)0I-N) /// <param name="message">需要记录的文本信息</param>
?#c "wA& /// </summary>
:$VGqvO12W public static void WriteInfo(String message)
2FdwX,O. {
Qxy~%;X WriteLog(TraceLevel.Info, message);
o[wiQ9Tl }
\RDqW+, /// <summary>
el<Gd.p.d /// 将跟踪信息记录到Win2000/NT事件日志中
/T
qbl^[ /// <param name="message">需要记录的文本信息</param>
}^H(EHE /// </summary>
)+v5H public static void WriteTrace(String message)
%@(+`CCA {
_!|$ i WriteLog(TraceLevel.Verbose, message);
KUPQ6v } }
|H=5Am Xgh%2;: /// <summary>
.+Q1h61$T /// 格式化记录到事件日志的文本信息格式
Q,9KLi3 /// <param name="ex">需要格式化的异常对象</param>
D*46,>Tv /// <param name="catchInfo">异常信息标题字符串.</param>
~{g/ /// <retvalue>
%;]/Z%! /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
z1tD2jL _ /// </retvalue>
pqv l,G5 /// </summary>
c>c3qjWY/ public static String FormatException(Exception ex, String catchInfo)
i:N-Q)<Q*) {
!p ~.Y+ StringBuilder strBuilder = new StringBuilder();
M`#g>~bI#R if (catchInfo != String.Empty)
kLs{B {
Y&M {7 strBuilder.Append(catchInfo).Append("\r\n");
x$Wtkb0< }
StR)O))I strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
BGfwgI.m return strBuilder.ToString();
~Gc@#Msj }
>g+Y//Z ej7N5~!,s /// <summary>
+R$;LtR /// 实际事件日志写入方法
AvIheR /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
G@e;ms1 /// <param name="messageText">要记录的文本.</param>
r.@UH-2c /// </summary>
h`Ej>O7m private static void WriteLog(TraceLevel level, String messageText)
=|O]X|y-lZ {
_eQ-'") try
b* n#XTV {
MS2/<LD3d EventLogEntryType LogEntryType;
wBI:}N@. switch (level)
{a>JQW5= {
>f9Q&c$R case TraceLevel.Error:
CXu$0DQ( LogEntryType = EventLogEntryType.Error;
Ac*)z#H break;
Grw[h case TraceLevel.Warning:
9]chv>dO)= LogEntryType = EventLogEntryType.Warning;
W7s break;
@w%kOX case TraceLevel.Info:
\Rt>U|% LogEntryType = EventLogEntryType.Information;
tOF8v8Hd break;
kSJ;kz,_ case TraceLevel.Verbose:
oQVm)Bn'R LogEntryType = EventLogEntryType.SuccessAudit;
oN83`Z break;
we}5'bS> default:
CyVi{"aF3 LogEntryType = EventLogEntryType.SuccessAudit;
pi;fu break;
4ke.p<dG }
a~VW?wq $Y$s*h_-/< EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
nJgN2Z //写入事件日志
!oRN,m[7)p eventLog.WriteEntry(messageText, LogEntryType);
Pr1OQbg]8 Z@JTZMN_ }
blG?("0! catch {} //忽略任何异常
4
q % Gc }
u3 +]3!BQ } //class ApplicationLog
ok-q9dM }
J| 46i 2c,w
4rK 12.Panel 横向滚动,纵向自动扩展
lS2`#l > <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
`LwZ(M-hI RT%{M1tkS 13.回车转换成Tab
J1r\Cp+h0 <script language="javascript" for="document" event="onkeydown">
C{-Dv-<A> if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
h^."wv event.keyCode=9;
zEE:C|50 </script>
E9.1~
) 2:[<E2z onkeydown="if(event.keyCode==13) event.keyCode=9"
,ueA'GZ *|+$7j 14.DataGrid超级连接列
sBxCi~ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
)DW".c >FFp"%% 15.DataGrid行随鼠标变色
0!c/4^ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Q\^BOdX^` {
wqE2n if (e.Item.ItemType!=ListItemType.Header)
=xH>,-8} {
zyK11 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
#)T'a e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
I$TD[W }
vMXn#eR }
2{ hG",JL -|czhO)R 16.模板列
>^f]Lgp <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
wC<FF2T <ITEMTEMPLATE>
85H*Xm?d# <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
zs-,Y@ZL </ITEMTEMPLATE>
cnDBT3$~Z </ASP:TEMPLATECOLUMN>
pL.~z v`jFWq8I, <ASP:TEMPLATECOLUMN headertext="选中">
WK SWOSJ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
3\B~`=*q/ <ITEMTEMPLATE>
LKud' <ASP:CHECKBOX id="chkExport" runat="server" />
}V+&o\4 </ITEMTEMPLATE>
M7gqoJM'Q <EDITITEMTEMPLATE>
m}m|(;T <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
@<S'f<>g </EDITITEMTEMPLATE>
%CrpUx </ASP:TEMPLATECOLUMN>
61b<6r0o ?I.bC 后台代码
57N<OQWf protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
@<1T&X{Z! {
gi/W3q3c6 //改变列的选定,实现全选或全不选。
5) 4?i p CheckBox chkExport ;
8?o{{ay if( CheckAll.Checked)
i,y{*xBT {
w (,x{Bg\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*ul-D42!U {
UXS+GAWU chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
i?F~]8 chkExport.Checked = true;
mndNkK5o }
H//,qxDc }
4d-"kx3X else
6A} 45 {
y|#Fu foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
\FIOFbwe {
z)FGbX chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
!`dn# j chkExport.Checked = false;
rIj B{X{Z }
({t6Cbw }
( 2KopL }
n*qn8Dq )]JQlm:H 17.数字格式化
l'\m'Ioh tH4+S?PI 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
QJH~YV\% <%#Container.DataItem("price","{0:¥#,##0.00}")%>
IkLcL8P^ -fx$)d~
int i=123456;
qEPC]es|T string s=i.ToString("###,###.00");
LkJ-M=y )}\J 18.日期格式化
i~*#z&4A+ z0tm3ovp 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
{,o 0N\( sCAWrbOe> 显示为: 2004-8-11 19:44:28
X4v0>c OWHHN< 我只想要:2004-8-11 】
UZW)% <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
14Jkr)N n\4sNoFI 应该如何改?
xNxSgvco, Z
uO
7N 【格式化日期】
$,7Yo
nc /.@"wAw: 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
TC._kAm ;[j)g,7{ 【日期的验证表达式】
%t,Fxj4F AhSN'gWpbF A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
&;%LTF@I, ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
E"Y[k8-:2/ Ivc/g, B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
sMWNzt ^\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]))$
y)+lU -IG@v0_w 【大小写转换】
H*EN199 HttpUtility.HtmlEncode(string);
$%3%&+z$I HttpUtility.HtmlDecode(string)
,y*|f0&"~ $[*<e~? 19.如何设定全局变量
DqBiBH[%h mp>Ne6\Tu Global.asax中
,A!0:+ 8}!WJ2[R Application_Start()事件中
'di(5 Eg#WR&Uq" 添加Application[属性名] = xxx;
ksli-Px +Rd;>s*.Y 就是你的全局变量
-f8iq[F5 V5HK6- T 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
' u4TI=[6 ;Z{jol HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
sb*)K,U =E-V-?N\ 【ASPNETMENU】点击菜单项弹出新窗口
%pImCpMR 6n$g73u<=3 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Z {*<Gx <?xml version="1.0" encoding="GB2312"?>
?hnxc0~P <MenuData ImagesBaseURL="images/">
:PDyc(s{ <MenuGroup>
xU;;@9X <MenuItem Label="内参信息" URL="Infomation.aspx" >
IpI|G!Y, <MenuGroup ID="BBC">
qv$m5CJvK <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
/X97dF)zt <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
9g`o+U{ ......
[I5}q& 5Ls
][l7 最好将你的aspnetmenu升级到1.2版
_ "H& E4N{;' 21.读取DataGrid控件TextBox值
h_K!ch} foreach(DataGrid dgi in yourDataGrid.Items)
JWvL {
Hn!13+fS TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
,ftKRq tb.Text....
#hF(`oX}4K }
oD&axNk <]h?_) 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
&O.lIj#FR k^*S3#" 〖思归〗
3/0E9' <asp:TemplateColumn HeaderText="数量">
(od9adSehV <ItemTemplate>
*t,1(Gw|7q <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
,\=,,1_ onkeyup="javascript:DoCal()"
n]fMl:77 />
{E$smX 6k*,Yei <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Ni-@El99 </ItemTemplate>
g.T:72" </asp:TemplateColumn>
4|Ay;}X \ #8qhl <asp:TemplateColumn HeaderText="单价">
U/9_: <ItemTemplate>
\*5${[ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
8t
>nL onkeyup="javascript:DoCal()"
bE>"DPq />
nb}rfd. -|_MC^) <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
{>n\B~*,"C HGlQZwf </ItemTemplate>
~l"]J'jF"H </asp:TemplateColumn>
oZ,_ G,b^ sA!$}W <asp:TemplateColumn HeaderText="金额">
2c1L[]h' <ItemTemplate>
fm1yZX?` <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
_mc-CZ </ItemTemplate>
~Y/o9x0 </asp:TemplateColumn><script language="javascript">
0*yD
function DoCal()
cZlDdr% {
EE$\8Gx']! var e = event.srcElement;
*Sp_s_tS var row = e.parentNode.parentNode;
kqQT^6S var txts = row.all.tags("INPUT");
Gqs)E"h if (!txts.length || txts.length < 3)
2v?fbrC5c return;
{Bw (rm*KD"] var q = txts[txts.length-3].value;
M2lvD& var p = txts[txts.length-2].value;
FE,BvNBZ kmT5g gy if (isNaN(q) || isNaN(p))
Dbl+izF3 return;
pq$-s7# h1 pEC q = parseInt(q);
5L\&"[' p = parseFloat(p);
"kd)dy95H " `FcW txts[txts.length-1].value = (q * p).toFixed(2);
jIi:tO9G^, }
wGg_ vAn </script>
FS^~e-A cK.z&y0] 85?;\5%- i8->3uB ,9Si3vn 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。
D1R$s*{ page_load
u N8RG_Mb page.smartNavigation=true
W.CbNou RG_.0'5=hc 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
B-UsMO private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
.C,D;T{ {
`Vl9/IEk for(int i=0;i<e.Item.Cells.Count-1;i++)
YJu~iQ`i if(e.Item.ItemType==ListItemType.EditType)
{;vLM*
' {
LY;FjbyU e.Item.Cells.Attributes.Add("Width", "80px")
6|n3e,&A2 }
o2~P
vef }
Dl@Jj?zc `br$kB 26.对话框
U*4r<y9R private static string ScriptBegin = "<script language=\"JavaScript\">";
%z~=Jz^ private static string ScriptEnd = "</script>";
55Y a(E 7z q@T] public static void ConfirmMessageBox(string PageTarget,string Content)
Kv9Z.DY {
6GA+xr= string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
V:h7}T95 O',Vce$ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
LyH1tF !|Wf
mU Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
%2y5a`b ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
KX
J7\} //Response.Write(strScript);
2F
:8=_sA }
gCq'#G\Z IGNU_w4j 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
)$ M2+_c LhRd0
1.1 取当前年月日时分秒
Swr4De_5 currentTime=System.DateTime.Now;
QQJf;p7 -}3nIk<N 1.2 取当前年
Vh{(*p int 年= DateTime.Now.Year;
rCUGaf~ nF
B]#LLv 1.3 取当前月
MXiQWg$ int 月= DateTime.Now.Month;
dTjDVq&Hz 9y&bKB2, 1.4 取当前日
J6Vx7 int 日= DateTime.Now.Day;
s'|t2`K(" !<24Cy 1.5 取当前时
:gO5#HIm int 时= DateTime.Now.Hour;
/>6ECT &~=r .T 1.6 取当前分
Zm0' p! int 分= DateTime.Now.Minute;
5] LfJh+"n z]7 /Gc,j 1.7 取当前秒
E>+>!On)b int 秒= DateTime.Now.Second;
yzT4D>1, XBoq/kbw! 1.8 取当前毫秒
|az2vD6P int 毫秒= DateTime.Now.Millisecond;
)k;;O7Ck m*jTvn 28.自定义分页代码:
Ol~M
BQs l dqU#{ 先定义变量 :
pH3<QNq5 public static int pageCount; //总页面数
PMUW<UI public static int curPageIndex=1; //当前页面
H@1}_d `Qjs{H 下一页:
|]?zH~L if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
&r\8VEZq" {
\W]gy_=D{ DataGrid1.CurrentPageIndex += 1;
.cbC2t95 curPageIndex+=1;
YS_3Cq }
C]p@7"l /'VbV8% bind(); // DataGrid1数据绑定函数
HItNd f7y.##W G 上一页:
v2_` iwE if(DataGrid1.CurrentPageIndex >0)
J#t-."f6^ {
A;
wT`c DataGrid1.CurrentPageIndex += 1;
UWidT+'Sa curPageIndex-=1;
J ZkQ/vp( }
LT"H-fTgs K_@?Q@#YhR bind(); // DataGrid1数据绑定函数
:AS`1\ C K8R>O *~ 直接页面跳转:
-Caj>K int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
JQ6M,O 'NZ=DSGIy if(a<DataGrid1.PageCount)
+:"0%( {
J>5 rkR@/ this.DataGrid1.CurrentPageIndex=a;
G bclR:G }
S'5Zy}
+x %IZd-N7i^ bind();
uKXNzz nwh @F1| 29.DataGrid使用:
^sB0$|DU H>A6VDu 添加删除确认:
JJM<ywPGp private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
pQK SPr {
> (9\ cF{ foreach(DataGridItem di in this.DataGrid1.Items)
g4eW< {
3 ye if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
BjeD4 {
0~z\WSo ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
1"L"LU' }
!~yBzH;K }
bi^?SH\ }
E^zfI9R
oFf9KHorW 样式交替:
T4HJy| ListItemType itemType = e.Item.ItemType;
t:5-Ro #,u|*O: if (itemType == ListItemType.Item )
z V\+za, {
t2s/zxt e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
10i$ b<O e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
[IQ|c?DxpL }
msM1K1er else if( itemType == ListItemType.AlternatingItem)
|PlNVd2 {
Hddc-7s e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
kQ}n~Hn e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
94?WL }
UhpJG O s0^(yEcq 添加一个编号列:
i*Ldec^ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
k%sH0 9 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
2h'Wu
qO BUJ\[/ for(int i=0;i<dt.Rows.Count;i++)
`}$o<CJ {
%KXiB6<4 dt.Rows["number"]=(i+1).ToString();
{VL@U$'oI }
*Bq}.Yn -g]Rs!w' DataGrid1.DataSource=dt;
L"NHr~ DataGrid1.DataBind();
m&Mupl +ti ?7|bK< DataGrid1中添加一个CheckBox,页面中添加一个全选框
j
0pI private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
R<Lf>p>_ {
`daqzn foreach(DataGridItem thisitem in DataGrid1.Items)
iU;e!\A {
||_hET ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
m|;(0
rft }
-juG[zn }
uv27Vos .mt%8GM 将当前页面中DataGrid1显示的数据全部删除
|zYOCDFf foreach(DataGridItem thisitem in DataGrid1.Items)
o)/Pr7Qn {
4=xi)qF/@ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
/.Ak'Vmi {
%, kP_[!>Q string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
:^.wjUI Del (strloginid); //删除函数
)rD!4"8/A }
^AS\a4`/ }
:x)H!z
P &)%+DUV| 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)
H<Oo./8+ TZAd{EZa 在Application_Start中添加以下代码:
G
@..?> Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
$/++afim AppSettings["ConnStr"].ToString();
_`|1B$@x d]pb1ECuu 31. 变量.ToString()
'7-Yo
Q %w*)7@,+- 字符型转换 转为字符串
VThr]$2Y 12345.ToString("n"); //生成 12,345.00
Nr4:Gih 12345.ToString("C"); //生成 ¥12,345.00
?Gki0^~J 12345.ToString("e"); //生成 1.234500e+004
?;XEb\Kf 12345.ToString("f4"); //生成 12345.0000
@1JwjtNk 12345.ToString("x"); //生成 3039 (16进制)
hj [77EEz 12345.ToString("p"); //生成 1,234,500.00%
5^u$zfR CWn\KR 32、变量.Substring(参数1,参数2);
sU ZA!sv EiL#Dwx 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);
xc:E>- PgWWa*Ew 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)
qd*}d)! <SCRIPT language="javascript">
&riGzU] <!--
IOcQI:4.` function gook(pws)
8Xotly {
QF#w$%7 frm.submit();
3@>F-N }
h[ DNhR //-->
T{k
P9
4 <v:VA!] </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
5ilGWkb`'X <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
I,j4 BU4 <tr>
z)qYW6o% <td>
tS'lJu <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
/ (&E <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
7A)\:k <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
,c p2Fac FzT.9Vz7 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
%ou,|Dww <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
py*22Ua^ Dcl$? </td>
6#?T?!vZ \<4N'|: </tr>
e1m?g&[ KP&+fDa </form>
{ mi}3/ SB_Tzp 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。
{PHH1dC{ "|SMRc 下面是获取用户输入的登陆信息的代码:
2/LSB8n| string name;
k~Ex_2;# name=Request.QueryString["EmailName"];
'cW^ S7 =)[m[@,c try
=q4}( {
rFRcK>X\L int a=name.IndexOf("@",0,name.Length);
Kc MzY f_user.Value=name.Substring(0,a);
9u B?-. f_domain.Value=name.Substring(a+1,name.Length-(a+1));
:!`"GaTy f_pass.Value=Request.QueryString["Psw"];
RgJ@J/p" }
Ys"wG B> /{i~CGc;" catch
_4ag-'5 {
6>>; fy2 Script.Alert("错误的邮箱!");
Kc/1LeAik Server.Transfer("index.aspx");
rhJ&* 0M }