1. 打开新的窗口并传送参数:
6ApW+/ ;} gvBI2e 传送参数:
""^9WLH4g- response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3LG}x/l EX>> -D7L 接收参数:
rzDqfecOmW string a = Request.QueryString("id");
[{Fr{La`D' string b = Request.QueryString("id1");
s Ce7ni )"WImf:*
2.为按钮添加对话框
T5z %X:VD( Button1.Attributes.Add("onclick","return confirm(’确认?’)");
DOkEWqM! button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
}1`Rq?@J l'&l!D& 3.删除表格选定记录
)"&-vg< int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
LOX[h$ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
.!U `,)I E,xCfS) 4.删除表格记录警告
xii*"n ~ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Q~,E
K {
^Xt9AM]e switch(e.Item.ItemType)
!.+iA=K{ {
!#rZeDmw case ListItemType.Item :
~`#.ZMO case ListItemType.AlternatingItem :
)FMpfC>An case ListItemType.EditItem:
H$Q$3Q!` TableCell myTableCell;
Y5-X)f myTableCell = e.Item.Cells[14];
'an{<82i LinkButton myDeleteButton ;
YJuaQxs myDeleteButton = (LinkButton)myTableCell.Controls[0];
K>RL myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
S"|D!}@- break;
'h O+ b default:
<z#r3J break;
8!3+Obj }
c500:OSB To]WCFp6@ }
j6/ 3p|E k5w+{iOh 5.点击表格行链接另一页
? Q.Y private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
CLQ \Is^] {
Yl&eeM //点击表格打开
5>j,P if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
*gMuo6 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Y;e@`.( }
4-E9a _ agBKp! 双击表格连接到另一页
)Si`>o3T-. JGn@)!$+/ 在itemDataBind事件中
dWR?1sV|e if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
n-Dr/c4 {
1Lqs>* string OrderItemID =e.item.cells[1].Text;
6:v8J1G(< ...
i/C#fIB2 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
O~">-'f }
klT6?'S PgB=<#9 双击表格打开新一页
5G(y if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
MG8-1M {
^[&*B#( string OrderItemID =e.item.cells[1].Text;
6du"^g ...
s_zZ@azJ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Y91TF' }
xtpD/,2 j[iJo
5 ★特别注意:【?id=】 处不能为 【?id =】
p&Nw:S 6.表格超连接列传递参数
Kl(}s{YFn. <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
]K XknEaxl <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
aFyNm@a *:BNLM 7.表格点击改变颜色
x[WT) if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
dXe763~< {
~i))Zc3,g\ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Z'S>i*Ts
this.style.color=’buttontext’;this.style.cursor=’default’;");
XiKv2vwA }
{EW}Wd }mu8fm' 写在DataGrid的_ItemDataBound里
dam.D.o" if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
U!3nn#!yE {
`dEWP;#cp e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
[<wy@W this.style.color=’buttontext’;this.style.cursor=’default’;");
/PPk
p9H{ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
#kLM=a/_NO }
g0g/<Tv[ lCd^|E #0!C3it6c 8.关于日期格式
Y8\Ms^rz \Q^\z
日期格式设定
q?}G?n4 DataFormatString="{0:yyyy-MM-dd}"
SkvKzV.R; Cgq9~U ! 我觉得应该在itembound事件中
qpp:h_E e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
:w:5;cmV ]Y;$~qQ 9.获取错误信息并到指定页面
-6+HA9zz@C pNVao{::5 不要使用Response.Redirect,而应该使用Server.Transfer
G <Lm} xs.[]>nQN e.g
kwWO1=ikz@ // in global.asax
iW*0V3 protected void Application_Error(Object sender, EventArgs e) {
FuEHO 6nx if (Server.GetLastError() is HttpUnhandledException)
cTRCQ+W6: Server.Transfer("MyErrorPage.aspx");
pC5-,Z;8 KgAc0pz{7H //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
AuO%F
YKY }
07/5RFmJ }pTw$B 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
S'ikr 7-^df0 10.清空Cookie
<408lm Cookie.Expires=[DateTime];
~ikTo - Response.Cookies("UserName").Expires = 0
I62Yg
p$K P-+ ^YN, 11.自定义异常处理
fK4laDBTO //自定义异常处理类
8 ehC^Cg using System;
Xk7zXah using System.Diagnostics;
zoUW}O TuaT-Z~U{ namespace MyAppException
zYls>fbp, {
r9b`3yr= /// <summary>
K''b)v X4 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
S G43} /// 自动将异常内容记录到Windows NT/2000的应用程序日志
/JveN8L% /// </summary>
+XY}- public class AppException:System.ApplicationException
dW: {
NA\,o;ka public AppException()
0n(Q@O {
&1w,;45 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
3`, m=1[) }
l#Qf8*0 }$$b6G public AppException(string message)
@B&hR} 4 {
U(J?Q LogEvent(message);
y{v*iH< }
W@UHqHr:\ ]}'WNy6c&x public AppException(string message,Exception innerException)
EEkO[J[= {
PN\2 ^@>_ LogEvent(message);
j$8~M if (innerException != null)
Gi{1u}-0 {
J+.t\R LogEvent(innerException.Message);
hp>me*vzr }
a,}{f] }
r@ejU'uz Aq";z.gi+ //日志记录类
F6q}(+9i using System;
mtTJm4 using System.Configuration;
4Pz9&^K using System.Diagnostics;
*qpmI9m using System.IO;
!r[uwJ= using System.Text;
i uN8gHx using System.Threading;
08.dV<P d6M
d~$R namespace MyEventLog
'i`;Frmg {
y<;#*wB /// <summary>
{ifYr(|p` /// 事件日志记录类,提供事件日志记录支持
l@Ml8+ /// <remarks>
<m )@~s?D /// 定义了4个日志记录方法 (error, warning, info, trace)
:!r_dmJ /// </remarks>
PDGh\Y[AK, /// </summary>
[9>1e public class ApplicationLog
d[O.UzQ {
=Wl
CE_ /// <summary>
;zh|*F> /// 将错误信息记录到Win2000/NT事件日志中
3J:!8Gmk /// <param name="message">需要记录的文本信息</param>
P@*whjPmo /// </summary>
T1e}WJbFE public static void WriteError(String message)
DrB= {
} O!LTD WriteLog(TraceLevel.Error, message);
!{ )H }
M)|}Vn;! b,{?+8 /// <summary>
VqYe0-^=P /// 将警告信息记录到Win2000/NT事件日志中
cdEZ
Y /// <param name="message">需要记录的文本信息</param>
4~1_%wb /// </summary>
Llg[YBJ7> public static void WriteWarning(String message)
/5wvXk|@ {
1;H( WriteLog(TraceLevel.Warning, message);
K}a[ ~ }
l(<o,Uv[` UY|nB hL /// <summary>
'zpj_QM /// 将提示信息记录到Win2000/NT事件日志中
5HJ6[.HO /// <param name="message">需要记录的文本信息</param>
f+F /`P% /// </summary>
wddF5EcK0 public static void WriteInfo(String message)
? 8'4~1g`} {
"lUw{3 WriteLog(TraceLevel.Info, message);
Va
!HcG1^: }
ob0clJX /// <summary>
f PDnkr /// 将跟踪信息记录到Win2000/NT事件日志中
*;4r|#LG /// <param name="message">需要记录的文本信息</param>
ZA:YoiaC# /// </summary>
rL_AqSGAK1 public static void WriteTrace(String message)
67J=#%\ {
rJg!2 WriteLog(TraceLevel.Verbose, message);
XmXHs4 }
o[8Y %3 VxsW3*` /// <summary>
r,0> 40^ /// 格式化记录到事件日志的文本信息格式
@BBqH&<` /// <param name="ex">需要格式化的异常对象</param>
X,gXgx P\ /// <param name="catchInfo">异常信息标题字符串.</param>
j@ =n|cq /// <retvalue>
'2#O{ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
am@\$Sa4 /// </retvalue>
i12iB+q /// </summary>
#t{?WkO[ public static String FormatException(Exception ex, String catchInfo)
'8dgYj {
]@Zj-n8 StringBuilder strBuilder = new StringBuilder();
B"8^5#t4s if (catchInfo != String.Empty)
%>pglI {
*<BasP strBuilder.Append(catchInfo).Append("\r\n");
X hTp'2,] }
~>+}(%<, strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
0y6nMI return strBuilder.ToString();
2MJ0[9 }
$~U_VQIA^ yyBfLPXZ /// <summary>
18|H /// 实际事件日志写入方法
oIf-s[uH /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
<5q:mG88 /// <param name="messageText">要记录的文本.</param>
X $cW!a /// </summary>
U3p=H^MB. private static void WriteLog(TraceLevel level, String messageText)
"iOT14J!7 {
DJ=miJI' try
HO$s&}t {
191O(H EventLogEntryType LogEntryType;
;m7$U switch (level)
~|fd=E% {
g.&&=T case TraceLevel.Error:
0M:.Jhp LogEntryType = EventLogEntryType.Error;
>#xpg&2x break;
*I>1O* case TraceLevel.Warning:
f{ENSUtCrR LogEntryType = EventLogEntryType.Warning;
5\qoZs*e break;
1C'lT,twl case TraceLevel.Info:
n,n]V$HFGh LogEntryType = EventLogEntryType.Information;
7GE.>h5 break;
a^~l[HSF case TraceLevel.Verbose:
MW`q*J`Yo LogEntryType = EventLogEntryType.SuccessAudit;
M~P}80I break;
V#5BZU- default:
~Kt.%K5lgt LogEntryType = EventLogEntryType.SuccessAudit;
\e ( h6,@ break;
+&Sf$t 1 }
?%;)> :3N m#DC;(Pn EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
\6nWt6M //写入事件日志
/sC$;l eventLog.WriteEntry(messageText, LogEntryType);
epz2d~; mltN$b%G=d }
oIX]9~ catch {} //忽略任何异常
t'FY*|xk }
&Zq43~ } //class ApplicationLog
V,{ydxfB }
(hdP(U77 /GfC/)1_ 12.Panel 横向滚动,纵向自动扩展
K)F;^)KDHf <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
[;#}BlbN 3Pkzzyk_|D 13.回车转换成Tab
IjJ3./L!5 <script language="javascript" for="document" event="onkeydown">
QT^W00h if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
xZbm,.v event.keyCode=9;
\q%li) </script>
H@5:x8 )2u=U9 onkeydown="if(event.keyCode==13) event.keyCode=9"
QvjsI;CQ- v8_HaA$5Y 14.DataGrid超级连接列
=f=MtH?0y DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
j9%=8Dn.< uppA`> 15.DataGrid行随鼠标变色
#ZF|5r + private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Dj
#G{X". {
:] {+3A if (e.Item.ItemType!=ListItemType.Header)
wD}[XE?S {
}.MJVB3 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
o= N= W e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
~kw[Aw3?D\ }
-=O9D-x= }
`'.u$IBW )!){4c/ 16.模板列
h7kGs^pP <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
)\'U$ <ITEMTEMPLATE>
WX]kez{<uP <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
t&H) :P </ITEMTEMPLATE>
gx@b|rj; </ASP:TEMPLATECOLUMN>
jA<v<oV ZrXvR`bsw <ASP:TEMPLATECOLUMN headertext="选中">
Ah)_mxK <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
.B_)w:oF <ITEMTEMPLATE>
3($%A GKJ <ASP:CHECKBOX id="chkExport" runat="server" />
:Y~fPke </ITEMTEMPLATE>
DRj\i6-v <EDITITEMTEMPLATE>
(/tbe@< <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
~z%K9YcyU </EDITITEMTEMPLATE>
IWsB$T </ASP:TEMPLATECOLUMN>
Cddw\|'3 >mi%L3Pk 后台代码
wp$CJ09f* protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
nlw(U3@7 {
#&5m=q$EI //改变列的选定,实现全选或全不选。
_~| j~QE] CheckBox chkExport ;
q2Ax-# if( CheckAll.Checked)
a~DR$^m {
N-4LdC foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
P ;PS+S9 {
R0,
Q` chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
b.Z K1 chkExport.Checked = true;
v-2.OS<o }
)9{?C4NQ }
K/
I3r_ else
Ojr{z {
K{t7_i#tv foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
v/}M_E {
wQlK[F]!> chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=>n:\_*M chkExport.Checked = false;
xaAJ>0IM }
z?Hvh }
_<=U.T` }
b~y1'|}g B/c_pRl; 17.数字格式化
`GUj.+u uhbo/7d'7 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
!2>gC"$nv <%#Container.DataItem("price","{0:¥#,##0.00}")%>
ePP-&V"`" `.>2h}op int i=123456;
n,bZj<3t string s=i.ToString("###,###.00");
Gdi1lYu6V IM7k\ 18.日期格式化
0bzD-K4WVd -r_z,h| 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
5E+l5M*( K%1'zSAyK 显示为: 2004-8-11 19:44:28
2_
< 90Jxn'>^ 我只想要:2004-8-11 】
`LEk/b1(P <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
(iIJ[{[H4) # G0jMQ 应该如何改?
l5l:'EY> *ukE"Aj 【格式化日期】
{ckA mrS:||,_ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
6~ev5SD;f 6,ylkf3 【日期的验证表达式】
/Uz2.Ua= S/"-x{Gc2v A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
,3qi]fFLMe ^((\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})))?$
B!jT@b{ +D&W!m B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
s,\!@[N ^\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]))$
9\0 6(f[<V!r 【大小写转换】
UW8b(b[-6b HttpUtility.HtmlEncode(string);
9mIq9rQ|* HttpUtility.HtmlDecode(string)
lGwX.cA!' LBk1Qw}- 19.如何设定全局变量
6-{QU] # #f5-f Global.asax中
-e3m!h >}\!'3)_ Application_Start()事件中
5Y"JRWC hp/}Z"A= 添加Application[属性名] = xxx;
CD:@OI J0~Ha u 就是你的全局变量
Qb!9QlW C%85Aq* 4 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
T+8F'9i` ?dVF@ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
T_lexX[\ (x2I*<7P 【ASPNETMENU】点击菜单项弹出新窗口
l'fUa S^]i 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
H5j~<@STC <?xml version="1.0" encoding="GB2312"?>
Y? =+A4v <MenuData ImagesBaseURL="images/">
8sOM%y9M <MenuGroup>
?_3K]i1IS <MenuItem Label="内参信息" URL="Infomation.aspx" >
40<ifz[7 <MenuGroup ID="BBC">
Nc()$Nl8 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
3ybEQp9 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
lY
yt8H ......
$cHA_$ ` 2_6x2Ia4 最好将你的aspnetmenu升级到1.2版
]O3[Te yk5-@qo 21.读取DataGrid控件TextBox值
4nzUDeI3MG foreach(DataGrid dgi in yourDataGrid.Items)
s(q\!\FS {
V/j+Z1ZW TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
7z9gsi tb.Text....
E)|fKds
}
2~AGOx 6Daz1Pxd+ 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?
-z)I;R !n~p?joJ* 〖思归〗
qiV#T+\ <asp:TemplateColumn HeaderText="数量">
7Q7z6p/\v <ItemTemplate>
ZY-W~p1:G <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
,~w)~fMb8 onkeyup="javascript:DoCal()"
x3xBl_t />
s
de|t ymT&[+V <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
GxL5yeN@( </ItemTemplate>
}@_F( B </asp:TemplateColumn>
;?"2sS!AHQ js/N qf2> <asp:TemplateColumn HeaderText="单价">
T.HS. <ItemTemplate>
x>m_ v <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
#8z2>&:| onkeyup="javascript:DoCal()"
w&:"x@ -| />
Gt{~u^< !>W _3Ea <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
w+(bkqz] i{?uIb B </ItemTemplate>
/\"=egB9 </asp:TemplateColumn>
-&oJ@Aa xw(KSPN <asp:TemplateColumn HeaderText="金额">
SE&J)Sj] <ItemTemplate>
S-Mn <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
k)oD </ItemTemplate>
hVo]fD|W </asp:TemplateColumn><script language="javascript">
^$c+r%9k function DoCal()
)"s <hR, {
eL[BH8l var e = event.srcElement;
h lD0^8S var row = e.parentNode.parentNode;
@6w\q?.s var txts = row.all.tags("INPUT");
w?|gJ*B" if (!txts.length || txts.length < 3)
WDNuR#J? return;
{SVd='!V $q);xs var q = txts[txts.length-3].value;
+K,]#$k var p = txts[txts.length-2].value;
P#]%C hdJW#,xq if (isNaN(q) || isNaN(p))
/MKcS%/H/ return;
gF+Uj( d !%>p;H%0 q = parseInt(q);
PB*mD7" p = parseFloat(p);
/co^swz CKeT%3 txts[txts.length-1].value = (q * p).toFixed(2);
gf7%vyMo$ }
RI9&KS </script>
;2y3i5^k ?(UeWLC# |pqc(B u e$}x;&c Q >u?pq6; 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
Elw fqfO page_load
GawQ~rD page.smartNavigation=true
tP8>0\$) Ugzq;}V# 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
" )T;3/c private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
wGD*25M7$ {
^u`1W^> for(int i=0;i<e.Item.Cells.Count-1;i++)
v#J2yg if(e.Item.ItemType==ListItemType.EditType)
97;`R[^J {
feSd% e.Item.Cells.Attributes.Add("Width", "80px")
Gv?3T Am8 }
;5QdT{$H }
|Am
+f. BU],,t\ 26.对话框
T9N][5 \ private static string ScriptBegin = "<script language=\"JavaScript\">";
yXyL,R private static string ScriptEnd = "</script>";
Wv!#B$J~U ^ur?da9z' public static void ConfirmMessageBox(string PageTarget,string Content)
<WhdQKFf- {
.BP@1K string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
3BHPD;U 0<Q['l4Ar ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
}}L :6^ If[4]-dq Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
8>Az<EF^=# ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
NbnahhS //Response.Write(strScript);
LCKCg[D
}
1$nlRQi 4+Aht]$hC 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
}EM vEA Q{FK_Mv< 1.1 取当前年月日时分秒
:98<dQIG currentTime=System.DateTime.Now;
6Q\0v gD`|N@W$5 1.2 取当前年
{}>s0B int 年= DateTime.Now.Year;
i [,9hp } o^VEJc`O 1.3 取当前月
KU:RS+,e; int 月= DateTime.Now.Month;
mN+
w, Uj]Tdg 1.4 取当前日
5qZebD2a int 日= DateTime.Now.Day;
zl8O @g ;\1/4;m 1.5 取当前时
oihn`DY{ int 时= DateTime.Now.Hour;
3azyqpwU$ |qe[`x;
% 1.6 取当前分
G':wJ7[]` int 分= DateTime.Now.Minute;
$=&a0O# oY)xXx 1.7 取当前秒
APye int 秒= DateTime.Now.Second;
|7XPu V
,#
|\ 1.8 取当前毫秒
]/31@RT int 毫秒= DateTime.Now.Millisecond;
vZhC_G+tGd Bgw=((p 28.自定义分页代码:
_"nzo4e0 3(?V!y{@ 先定义变量 :
S)`%clN}J public static int pageCount; //总页面数
\0bao< public static int curPageIndex=1; //当前页面
I$yFCd Xr LTsX{z 下一页:
EL/~c*a/ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
C=k]g {
s0EF{2<F DataGrid1.CurrentPageIndex += 1;
OGA_3|[S curPageIndex+=1;
.AHf]X0 }
')G,+d^ b3j?@31AD bind(); // DataGrid1数据绑定函数
$qndG,([F Vc2(R^ 上一页:
,hO*W-a%1 if(DataGrid1.CurrentPageIndex >0)
;iB9\p$K) {
4\?z^^ DataGrid1.CurrentPageIndex += 1;
v*Dz4K# curPageIndex-=1;
r>o#h+'AV }
}o9fpo| ,$4f#) bind(); // DataGrid1数据绑定函数
)-jA4!& LpV2XL$p># 直接页面跳转:
/J@<e{&t~ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Vv|%;5( <I
5F@pe' if(a<DataGrid1.PageCount)
w;
rQ\gj {
&|]GTN`E this.DataGrid1.CurrentPageIndex=a;
m/E$0tf }
/-FvC^Fj MP
LgE.n bind();
?**9hu\BG W{@,DQ 29.DataGrid使用:
e@j&c:p(Y 6VUkZKc 添加删除确认:
W%&gvZre. private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
NUN~T ( {
5I`_SOa! foreach(DataGridItem di in this.DataGrid1.Items)
e9\eh? bPU {
l.>3gjr if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
A r=P;6J {
ZBY*C;[)*P ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
dp|VQWCq }
Y|
dw>qO }
`T#Jiq E }
-f&m4J} E #TUuk 样式交替:
kq$0~lNI$ ListItemType itemType = e.Item.ItemType;
)/:j$aq @r130eLh if (itemType == ListItemType.Item )
c'!+]'Lr {
Vb57B.I e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
XI5TVxo(q e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
\Bvy~UeE)> }
/z)H7s+ else if( itemType == ListItemType.AlternatingItem)
r9
5hW {
U,g)N[| e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
|a|##/ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
lWyg_YO@ }
n1Z*wMwC 8V?*Bz-4` 添加一个编号列:
}VU7wMk DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Can:!48 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
NScUlR"nE yDORL|
E' for(int i=0;i<dt.Rows.Count;i++)
?PSJQ3BC| {
Tfytc$aQ dt.Rows["number"]=(i+1).ToString();
"KHe6otmi_ }
3vc2t6S%* K%@#a}kRb DataGrid1.DataSource=dt;
Hw\hTTK DataGrid1.DataBind();
(>,}C/-UG O<\h_ DataGrid1中添加一个CheckBox,页面中添加一个全选框
qKjUp" private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
aYmN'
POi {
)e?6 Ncy foreach(DataGridItem thisitem in DataGrid1.Items)
L?&Trq7i {
Z,QSbw@,7 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
%;ZDw@_< }
gyT3[*eh }
lHc|:vG? :c3'U_H^ 将当前页面中DataGrid1显示的数据全部删除
p5V.O20 foreach(DataGridItem thisitem in DataGrid1.Items)
[+3~wpU(p {
krSOS WJ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
dXMO{*MF{H {
"8R\!i. string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
_08y; _S Del (strloginid); //删除函数
W5U;{5 }
/I@`B2 }
Y{`hRz` aSMSuX8 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)
3;er.SFu{ a
IgV"3 在Application_Start中添加以下代码:
WW3! ,ln_ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
OlcWptM$ AppSettings["ConnStr"].ToString();
(U_dPf F!MxC 31. 变量.ToString()
J PmZ%]wA QG]*v=Z 字符型转换 转为字符串
Dy|DQ> ?} 12345.ToString("n"); //生成 12,345.00
Q3 9;bz 12345.ToString("C"); //生成 ¥12,345.00
w<me(!-' 12345.ToString("e"); //生成 1.234500e+004
Y{c+/n3d 12345.ToString("f4"); //生成 12345.0000
Epm%/ {sHV 12345.ToString("x"); //生成 3039 (16进制)
&B@qb?UE1 12345.ToString("p"); //生成 1,234,500.00%
p}MH LM w@ $_2t 32、变量.Substring(参数1,参数2);
x)prI6YMv\ yoVN|5 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
'U{6LSaCb |>Wi5h{6X 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Y6ORI <SCRIPT language="javascript">
L.$+W} <!--
MtXd}/ function gook(pws)
-FW'i10\2+ {
nOdAp4{:q% frm.submit();
vy{YGT }
x5YHmvy/l //-->
A,f%0
eQR 0qk.NPMB0 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
9
?(P?H <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
a4D4*=!G0 <tr>
}<
m@82\ <td>
zE_t(B(Q <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
(IIOVv
1J <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
=:pN82.G <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
b 1t7/q L}.V`v{zc <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
("rIz8b <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
~8^)[n+)x *
~4m!U_s </td>
-"X}
)N2 Rss=ihlM </tr>
3I.0uLjg^ d+Bz
pS@p </form>
d$*SVd: }RY&f4&GV, 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。
-E>se8 %" !e(ZEV g 下面是获取用户输入的登陆信息的代码:
#Cz6c%yK string name;
t.tdY name=Request.QueryString["EmailName"];
wA>bL PTw a FrVP try
xrky5[XoD {
2z=GKV int a=name.IndexOf("@",0,name.Length);
zFk@Y f_user.Value=name.Substring(0,a);
:fE*fU@ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
H=k`7YN f_pass.Value=Request.QueryString["Psw"];
$[-{Mm }
C%+>uzVIw `Ao;xOJ catch
8L}N,6gC4_ {
Zjh9jvsW Script.Alert("错误的邮箱!");
/DQcM.3
Server.Transfer("index.aspx");
,wlSNb@' }