1. 打开新的窗口并传送参数:
*\Lr]6k OtbPrF5 传送参数:
\hWac%# response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Q*hXFayx eQwvp`@" 接收参数:
Jflm-Hhsf string a = Request.QueryString("id");
J$U_/b.mk string b = Request.QueryString("id1");
DKF`
xuJP h'+F'1= 2.为按钮添加对话框
Qff.QI, Button1.Attributes.Add("onclick","return confirm(’确认?’)");
<.2jQ#So button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
XE]"RD<z ^zW=s$\Fo 3.删除表格选定记录
A&A{Thz int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
+ KaVvf string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
-Iis/Xw: {:|b,ep
T 4.删除表格记录警告
!;4Hh)2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
phQ{<wzwp {
mGa :~x switch(e.Item.ItemType)
'
&3,qT {
>?#zPweA case ListItemType.Item :
r@}8TE*|P case ListItemType.AlternatingItem :
#q>\6} ) case ListItemType.EditItem:
Z6-ZAS(>m TableCell myTableCell;
p:)=i"uL myTableCell = e.Item.Cells[14];
Ss0I{0 LinkButton myDeleteButton ;
kZ PL$\/A myDeleteButton = (LinkButton)myTableCell.Controls[0];
~9"c64 q myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Cg|\UKfy$ break;
'\GU(j default:
JL>frS3M break;
&F:.OVzX }
-L<FVB 3/PvH E{R }
f-634KuP M[+#*f.T} 5.点击表格行链接另一页
fZ&' _ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'F#dv[N {
=ZO lE|4 //点击表格打开
@qYT/V*/ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
pTB7k3g e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
.lq83;
k }
I~6 o<HO "$aoI Xv 双击表格连接到另一页
E N CWOj O;5lF 在itemDataBind事件中
HOF=qE*p if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ktS^^!,l% {
:5.F string OrderItemID =e.item.cells[1].Text;
/[D_9 ...
B^]PKjLNZ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
1D38T }
nI&p.i6 ]31=8+D 双击表格打开新一页
QQ_7Q^ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
7(oA(l1V {
(Zd(?">i string OrderItemID =e.item.cells[1].Text;
hF$qH^-c*A ...
(Li0*wRb e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Yb4ku7} }
01n132k &oq0XV.M^ ★特别注意:【?id=】 处不能为 【?id =】
<9piKtb|L 6.表格超连接列传递参数
T1*.3_wtP <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
h6OQeZ. <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
"bDj00nwh c{_JPy 7.表格点击改变颜色
ajtH1Z# if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Je6wio-4 {
Rw%?@X3m] e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
^ =n7E this.style.color=’buttontext’;this.style.cursor=’default’;");
3l45(%g+ }
11YJW-V (tOhuSW 写在DataGrid的_ItemDataBound里
QnD8L.Dg if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ZQ+DAX*MS
{
l
EzN e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
<Q/)SN6_E this.style.color=’buttontext’;this.style.cursor=’default’;");
fn=A_
i e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
W dD889\ }
%),u0:go *jbPy?%oY ~F@n `!c 8.关于日期格式
kx?Yin8K (lVMy\ 日期格式设定
DAP/ DataFormatString="{0:yyyy-MM-dd}"
NWvIwt{ )!\6 "{ 我觉得应该在itembound事件中
g:a[N%[C e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
v-d"dC` ]6[+tpx 9.获取错误信息并到指定页面
gqy>;A:kO _^#eO`4" 不要使用Response.Redirect,而应该使用Server.Transfer
cI@qt>& h!%y,4IBR e.g
7=^}{ // in global.asax
<
$e#o H protected void Application_Error(Object sender, EventArgs e) {
Y;_F ,4H if (Server.GetLastError() is HttpUnhandledException)
Se'SDJl= Server.Transfer("MyErrorPage.aspx");
}7 +%k/ b7dsi|Yo //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
v$Fz^<Na }
]"uG04"Vk bUm%#a 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
^ExuIe (b//YyqN 10.清空Cookie
5~?6]=hl Cookie.Expires=[DateTime];
SfC* ZM}< Response.Cookies("UserName").Expires = 0
UtTlJb{-j >fI\f <ez 11.自定义异常处理
q%])dZ!lE //自定义异常处理类
Lk,q~
using System;
03v+eT using System.Diagnostics;
(9I(e^@] sIf]e'@AC namespace MyAppException
3`%E;?2 {
5)'Y\~2 /// <summary>
SR?mSpq5 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
tt?`,G.(] /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Slg*[r# /// </summary>
-o%? ]S public class AppException:System.ApplicationException
rP7
QW)NF {
6CHb\k public AppException()
dv\bkDF4A {
k-=lt\? if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
6R<+_e+v }
wB0vpt5f j}//e%$a public AppException(string message)
~9FL]qo {
A)"L+Yu5 LogEvent(message);
S._2..%G }
s=(q#Z HL4=P,' public AppException(string message,Exception innerException)
d-1D:Hs? {
N s0,Z#Z+ LogEvent(message);
;K\2/"$QD if (innerException != null)
}WIkNG4{Z {
E,.PT^au LogEvent(innerException.Message);
K*T^w3= }
tW|0_m>{ }
i,<'AL ) Itr4Pr //日志记录类
#%nV\ Bl using System;
9n\>Yieu using System.Configuration;
2sIt~ Gn using System.Diagnostics;
$3 -QM using System.IO;
Any y using System.Text;
{guOAT-w using System.Threading;
@,.D]43 _J6
Xq\ namespace MyEventLog
r6uN6XCM {
MZQDFuvDxZ /// <summary>
qH4|k2Lm /// 事件日志记录类,提供事件日志记录支持
g&y (- /// <remarks>
u*2?Gky /// 定义了4个日志记录方法 (error, warning, info, trace)
zO"De~[9 /// </remarks>
S:j{R^$k /// </summary>
%P s.r{%{ public class ApplicationLog
Vq]ixag2^ {
i;9X_?QF /// <summary>
H%Gz" /// 将错误信息记录到Win2000/NT事件日志中
Qf^c}!I /// <param name="message">需要记录的文本信息</param>
/g+-{+sx /// </summary>
U$gR}8\e public static void WriteError(String message)
l%_K$$C {
K:'^f? P WriteLog(TraceLevel.Error, message);
L$_%T }
<<?32r~ o=7,U/{D! /// <summary>
\OkZ\!<hg /// 将警告信息记录到Win2000/NT事件日志中
|E?r+] /// <param name="message">需要记录的文本信息</param>
E&kv4, /// </summary>
C3W4:kbau public static void WriteWarning(String message)
kR97)}Y {
M;y*`<x WriteLog(TraceLevel.Warning, message);
zJy=1r }
Up?RN %gq <!>\
n\A /// <summary>
H5Eso*v@ /// 将提示信息记录到Win2000/NT事件日志中
P#V!hfM /// <param name="message">需要记录的文本信息</param>
G1jj:]1 /// </summary>
li3,6{S# public static void WriteInfo(String message)
.o`Io[io {
RVm-0[m} WriteLog(TraceLevel.Info, message);
T>%
5<P }
hJ xL|5Uo /// <summary>
MwRLv,&" /// 将跟踪信息记录到Win2000/NT事件日志中
9qCE{[( /// <param name="message">需要记录的文本信息</param>
m_0y ]RfG /// </summary>
[A =0fg5 public static void WriteTrace(String message)
wX}p6yyN {
$T3_~7N WriteLog(TraceLevel.Verbose, message);
*V',@NH#Os }
ni{'V4A H@@ 4n%MK /// <summary>
\B~g5}= /// 格式化记录到事件日志的文本信息格式
~;CNWJtcf( /// <param name="ex">需要格式化的异常对象</param>
\ZADY.ha /// <param name="catchInfo">异常信息标题字符串.</param>
b/a\{ /// <retvalue>
/lUfxc4 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
;dUKFdKH} /// </retvalue>
nk tGO /// </summary>
b)'CP Cu* public static String FormatException(Exception ex, String catchInfo)
eg/itty {
WlQCP C StringBuilder strBuilder = new StringBuilder();
@;OsHudd if (catchInfo != String.Empty)
Hj
r'C?[ {
=QVkY7 strBuilder.Append(catchInfo).Append("\r\n");
N\__a~'0p }
'(B -{}l strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
!gW`xVGv return strBuilder.ToString();
\;N+PE }
o+{,>t AA[1[ /// <summary>
N8Rq7i3F?a /// 实际事件日志写入方法
*nU5PSs /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
0yC~"u[N Y /// <param name="messageText">要记录的文本.</param>
`.pEI q^ /// </summary>
a~jb%i_ private static void WriteLog(TraceLevel level, String messageText)
)M0(vog {
Q/?`); try
&v .S_Ym {
C5 ILVQ EventLogEntryType LogEntryType;
8%B_nVc switch (level)
4!{lySW {
;]1t|td8 case TraceLevel.Error:
B,%6sa~I LogEntryType = EventLogEntryType.Error;
2fr%_GNu break;
*$%~/Q@] case TraceLevel.Warning:
*d=}HO/ LogEntryType = EventLogEntryType.Warning;
^yB]_*WJ break;
D%o(HS\E case TraceLevel.Info:
x+4K ,r; LogEntryType = EventLogEntryType.Information;
|x1OWm1:< break;
%OgK{h case TraceLevel.Verbose:
i
kfJ! f LogEntryType = EventLogEntryType.SuccessAudit;
W8^A{l4 break;
&T, ,fz$ default:
I1>f2/$z* LogEntryType = EventLogEntryType.SuccessAudit;
G 0pq'7B break;
:Y /aT[ }
H( .9tuA udUc&pX EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
El9T>!Z //写入事件日志
5r
4~vK eventLog.WriteEntry(messageText, LogEntryType);
.Xp,|T ZPw4S2yw3. }
5PeYQ-B| catch {} //忽略任何异常
WMC^G2 n }
3_
J'+ } //class ApplicationLog
p3 5)K5V }
LAk
.f QDY uJ&!h 12.Panel 横向滚动,纵向自动扩展
gBV4IQ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
GEy7Vb) " J9 13.回车转换成Tab
j7&#R+f <script language="javascript" for="document" event="onkeydown">
f3!Oc if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
xSN;vrLHR event.keyCode=9;
N~/X.D4e# </script>
E8kD#tL ]_B<K5 onkeydown="if(event.keyCode==13) event.keyCode=9"
%%X/gvaJ }Y!V3s1bm 14.DataGrid超级连接列
iSf%N>y'K DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
\m)s"Sh. i695P}J2 15.DataGrid行随鼠标变色
Pq+|*Y<|& private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
X~VI} dJ {
HqV55o5f' if (e.Item.ItemType!=ListItemType.Header)
PH%t#a!j3/ {
vT{(7m!Ra e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
p9i7<X2& e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
no-";{c }
6
DQOar>d }
Cu%BU}( 4qDO(YWf 16.模板列
e}2?)B`[ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
A7YCSjB <ITEMTEMPLATE>
{91Y;p
C <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
Pn^:cr| </ITEMTEMPLATE>
[p'2#Et </ASP:TEMPLATECOLUMN>
51eZf JB U>!TM##1QD <ASP:TEMPLATECOLUMN headertext="选中">
k8ILo) <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
4S4MQ <ITEMTEMPLATE>
3"Oipt+ <ASP:CHECKBOX id="chkExport" runat="server" />
STu(I\9 </ITEMTEMPLATE>
R-pON4D"* <EDITITEMTEMPLATE>
1d49&-N <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
<FkaH8,7 </EDITITEMTEMPLATE>
zZ-/S~l </ASP:TEMPLATECOLUMN>
aO1.9!<v /xgC`]- 后台代码
y'>9'/& protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
Vr1r2G2 {
bl!pKOY //改变列的选定,实现全选或全不选。
l5^Q CheckBox chkExport ;
j^#\km B if( CheckAll.Checked)
+/$&P3 {
WVQHb3Pe0 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
7n .A QII {
C\"C12n{ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
%6fnL~A chkExport.Checked = true;
Nz{qu}dt }
&0T7Uv-` }
v,Kum<oi? else
kPy7e~ {
]+ub
R; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
1^NC=IS9z {
6%t6u3 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
a {7*um chkExport.Checked = false;
)2E vZn }
;/Y#ph[ }
kygj" @EX }
T@vE@D am5;B`}q 17.数字格式化
R7:u 8-dU1 F6CuY$0m= 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
D`41\#ti <%#Container.DataItem("price","{0:¥#,##0.00}")%>
m-C#~Cp36 !4^Lv{1QZ int i=123456;
Ye|gW=FUR string s=i.ToString("###,###.00");
D3g5#.$,}> +-t&li%F 18.日期格式化
(Q `Ps/ x^[0UA]S9 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
!|VtI$I>x ~^Al#@ 显示为: 2004-8-11 19:44:28
-[>J"l sDgo G 我只想要:2004-8-11 】
.yTo)t <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
3k6Dbz ZiKO|U@/ 应该如何改?
uHf1b?W .I{u[
" 【格式化日期】
K
..Pn17t l8M}82_ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
dcemF 7{"F%`7L 【日期的验证表达式】
1F0];{a 56c3tgVF A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Pj56,qd>s ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
"6WJj3hN kN<;*jHV B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
8=f+`e ^\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]))$
l8Yr]oNkz FLsJ<C~/~ 【大小写转换】
"9c!p HttpUtility.HtmlEncode(string);
]EN&EA"< HttpUtility.HtmlDecode(string)
5't9/8i 0ZL>- 19.如何设定全局变量
-{?xl*D "{S4YA Global.asax中
*.$ov<E. dEf5x_TGm Application_Start()事件中
~nj+"d] ,{"K^ 添加Application[属性名] = xxx;
., thdqOO vcy(!r 就是你的全局变量
bjj
F{T Ub\&k[F 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
+=L+35M 9*"K+t: HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
fe6Op D@{m 【ASPNETMENU】点击菜单项弹出新窗口
d`?EEO $WE_aNfja 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
%0815
5M <?xml version="1.0" encoding="GB2312"?>
<T'fJcR <MenuData ImagesBaseURL="images/">
GXv2B%i8 <MenuGroup>
h52+f <MenuItem Label="内参信息" URL="Infomation.aspx" >
Pa; *%7 <MenuGroup ID="BBC">
Cx) N;x <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
h4slQq~K <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
)=N.z6? ......
h_Er$ZT64 >9g^-~X;v 最好将你的aspnetmenu升级到1.2版
E/% F0\B @[/!e`]+ 21.读取DataGrid控件TextBox值
%<q"&]e, foreach(DataGrid dgi in yourDataGrid.Items)
)5<dmK@ {
``Um$i~e% TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Ex}TDmTu tb.Text....
u0uz~ s }
b?9'-hK< (d
<pxx 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?
-%VFC^'5 k]TJL9Q 〖思归〗
tJGPkeA <asp:TemplateColumn HeaderText="数量">
N7s9"i <ItemTemplate>
LXe'{W+bk <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
zb9vUxN [ onkeyup="javascript:DoCal()"
k'[\r>T />
hB:+_[=Kj. K^I$05idi <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
)gR3S%Ju </ItemTemplate>
dt>!=<|k </asp:TemplateColumn>
=Y3 d~~ 6|Rj
YX <asp:TemplateColumn HeaderText="单价">
w'5W L <ItemTemplate>
Y k"yup@3 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
+@rc(eOwvN onkeyup="javascript:DoCal()"
P}PMRAek />
)fT0FLl|1 "bjbJC&T <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
6~k qU4lL P_@ty~u </ItemTemplate>
R?*-ZI[>w </asp:TemplateColumn>
%#]/]B/4 ?H!X
p <asp:TemplateColumn HeaderText="金额">
6>EoU-YX}l <ItemTemplate>
=\<!kJ\yH <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
OBP iLCq </ItemTemplate>
twTRw:.!f </asp:TemplateColumn><script language="javascript">
cja-MljD function DoCal()
lo>:S1 {
4MgG] var e = event.srcElement;
}M\G var row = e.parentNode.parentNode;
wK%x|%R[ var txts = row.all.tags("INPUT");
tkix@Q!;\ if (!txts.length || txts.length < 3)
_..5G7%#% return;
l?beqw: Cmj `WSSa var q = txts[txts.length-3].value;
'ka"0~:NS{ var p = txts[txts.length-2].value;
st CFLYox yD ur9Qd6 if (isNaN(q) || isNaN(p))
lzZ=!dG return;
5g4c1K jmnrpXaAx q = parseInt(q);
jRdW=/q+( p = parseFloat(p);
U09@pne8 "\1V^2kMr txts[txts.length-1].value = (q * p).toFixed(2);
yj`xOncE} }
C_hIPMU= </script>
3j$,x(ua9 "6 'seuO!5 -(.\> F -_Iuvw 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。
O$peCv page_load
S>?B) page.smartNavigation=true
*WXqN!: yz=6 V% 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 ?
nHF private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
Jc9^Hyqu& {
$2*&\/;-E! for(int i=0;i<e.Item.Cells.Count-1;i++)
SB!m&;Tb if(e.Item.ItemType==ListItemType.EditType)
o&:n>:im {
%PU{h e.Item.Cells.Attributes.Add("Width", "80px")
qv+}|+aL: }
!yTjO }
v{>9&o.J TsZX'Yn 26.对话框
@Cd}1OT) private static string ScriptBegin = "<script language=\"JavaScript\">";
kC6s_k private static string ScriptEnd = "</script>";
qfEB VS( N6-bUM6%I public static void ConfirmMessageBox(string PageTarget,string Content)
E;x~[MA {
K,GX5c5 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
;%aWA ol8uV{:" ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
6NqLo^ "g GUK3`}!% Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
7wc{.~+ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Bcy$"F|r //Response.Write(strScript);
gIXc-=Ut }
A,#hYi=-, S1n'r}z8 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Y~bGgd]T su]ywVoRT 1.1 取当前年月日时分秒
rO{"jJ
currentTime=System.DateTime.Now;
j~Xn\~*n 4&LoE~ 1.2 取当前年
x@>^ c:-f int 年= DateTime.Now.Year;
=Hs~fHa) y0XI?Wr 1.3 取当前月
} "ts int 月= DateTime.Now.Month;
1&}^{ Ys V5ihplAk 1.4 取当前日
OKq={l int 日= DateTime.Now.Day;
Y_Lsmq2! gb0ZGnI 1.5 取当前时
OECXNx int 时= DateTime.Now.Hour;
X{riI^( IyA8+N
y 1.6 取当前分
9Fh(tzz int 分= DateTime.Now.Minute;
EMejvPnZO
QWGFXy,=1 1.7 取当前秒
!bCLi>8 int 秒= DateTime.Now.Second;
&9'JHF!l Swz1RT 1.8 取当前毫秒
5Gsj; int 毫秒= DateTime.Now.Millisecond;
0Z{(,GU )p;gm`42oY 28.自定义分页代码:
-0doL^A .el_pg 先定义变量 :
Rx=pk public static int pageCount; //总页面数
FR@ dBcJUU public static int curPageIndex=1; //当前页面
7u^6`P YR`Mi.,Sfm 下一页:
D r $N{d if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
5OUe|mS {
MPd#C*c DataGrid1.CurrentPageIndex += 1;
/_554q curPageIndex+=1;
Lsozl<@ }
%rRpUrnm @]h#T4z' bind(); // DataGrid1数据绑定函数
AH],>i3
*H
RxC 上一页:
t hDE
1h if(DataGrid1.CurrentPageIndex >0)
uL4@e {
4.dMNqU DataGrid1.CurrentPageIndex += 1;
jWW2&cBm\ curPageIndex-=1;
p8^^Pva/ }
.ODtduURe =;$&:Zjy/% bind(); // DataGrid1数据绑定函数
kB]|4CG{ QrPWS-3~! 直接页面跳转:
q 9pcEm4? int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
!J'xk ;SVF"Uo if(a<DataGrid1.PageCount)
i9M6%R1m}E {
m%E7V{t this.DataGrid1.CurrentPageIndex=a;
[P{Xg:0 }
4"j5@bppJ }H,A
T bind();
()>\D j{P,(- 29.DataGrid使用:
:7!/FBd 8LwbOR" 添加删除确认:
9H3#8T] ; private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
6CU8BDN {
1.H"$D>TC foreach(DataGridItem di in this.DataGrid1.Items)
Phgn| {
XfsCu> if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
X>|.BvY| {
]3QQ"HLcp ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
_L!"3 }
6<t\KMd }
73.o{V }
6v1#i %9NGVC 样式交替:
W# y)ukRv ListItemType itemType = e.Item.ItemType;
xD1B50y U IW1]H~1w if (itemType == ListItemType.Item )
,?#-1uIGL> {
+dh]k=6 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
y_QxJ~6t e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
1=(i{D~ }
xHr else if( itemType == ListItemType.AlternatingItem)
h=4{.EegG& {
9Jk(ID'c e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
v @N8v e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
G:e} >' }
3 ^su%z_% f(n{7 添加一个编号列:
U0N[~yW(t1 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
]aakEU DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
-GKelz?h> LbYI{|_Js for(int i=0;i<dt.Rows.Count;i++)
"|Q& {
;LrKXp dt.Rows["number"]=(i+1).ToString();
kkOYC?zE? }
S5Px9&N8( VBCj.dw DataGrid1.DataSource=dt;
_mkI;<d]$T DataGrid1.DataBind();
63u'-Z"4 )sS<%Xf DataGrid1中添加一个CheckBox,页面中添加一个全选框
@e0Q+ t private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
$0W0+A$ {
'b^:"\t'Rh foreach(DataGridItem thisitem in DataGrid1.Items)
t=e0z^2i+ {
2iG(v._x ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
$z,bA*j9 }
i~F Ct4 }
=0]Mc$Ih bL[PNUG 将当前页面中DataGrid1显示的数据全部删除
Iw<c 9w8 foreach(DataGridItem thisitem in DataGrid1.Items)
[a
|fm*B! {
v S+~4Q41 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
\qTNWA#' {
G#*!)#M < string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
B6pz1P?e} Del (strloginid); //删除函数
Sl_zO?/PF }
B]qh22Yib }
^LcI6h
YI|Gpq 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)
?\pE#~m Y3zO7*-@ 在Application_Start中添加以下代码:
;_SS3q Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
1Ev+':% AppSettings["ConnStr"].ToString();
{Jy%h8n* \rN_CBM 31. 变量.ToString()
bT*4Qd4W nRE}F5k 字符型转换 转为字符串
1aDDl-8, 12345.ToString("n"); //生成 12,345.00
yR$_$N+E 12345.ToString("C"); //生成 ¥12,345.00
( gFA? aD< 12345.ToString("e"); //生成 1.234500e+004
jh?7+(Cw 12345.ToString("f4"); //生成 12345.0000
Vl z T 12345.ToString("x"); //生成 3039 (16进制)
`x#~- 12345.ToString("p"); //生成 1,234,500.00%
GSFT(XX t/D
Q<B_ 32、变量.Substring(参数1,参数2);
1*jL2P]D :hr@>Y~r 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);
k2WO*xa* xXYens} 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)
B*AMo5 <SCRIPT language="javascript">
V$_0VN'+Z <!--
@ixX?N)V function gook(pws)
#<e7 Y0 {
DvKM>P%| frm.submit();
bYgYP|@ }
%N //-->
H'`(|$:| mT>p:G </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Zll^tF# <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
E9:hK <tr>
bOdv]nQ1 <td>
\O?B9_ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
stG&(M <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
&sgwY <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
*u>\&`h= 3.H-G~ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
;E"mB4/) <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
M0e|G.S&_ :Ir:OD#o </td>
.:raeDrd T??aVe]c </tr>
*;d)'7< <`*P/V </form>
#]N9/Hij#g U:|v(U$"? 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
zLqp@\sT Ju[`Qw`I 下面是获取用户输入的登陆信息的代码:
}"x*xN string name;
oMe]dK name=Request.QueryString["EmailName"];
)l}wjKfgO 7jbmw<d)9 try
I`kp5lGD2 {
mwCnP8:K int a=name.IndexOf("@",0,name.Length);
e;'T?&t f_user.Value=name.Substring(0,a);
T!A}ipqb f_domain.Value=name.Substring(a+1,name.Length-(a+1));
F?eb Yk1 f_pass.Value=Request.QueryString["Psw"];
L
_y|l5 }
NETC{:j c):*R ]= catch
`6$b1qv, {
_fCHj$I*] Script.Alert("错误的邮箱!");
6)$N[FNs Server.Transfer("index.aspx");
9tEKA|8 }