1. 打开新的窗口并传送参数:
7Gnslp?[U !;{@O`j?b 传送参数:
[6K2V:6: response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
5'@J}7h j WLZ!a3+ 接收参数:
qGuz`&i string a = Request.QueryString("id");
@ \J R xJ string b = Request.QueryString("id1");
%eT4Q~}5" nL5Gr:SLo 2.为按钮添加对话框
`)\_ Button1.Attributes.Add("onclick","return confirm(’确认?’)");
>hoIJZP, button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
ZLyJ y$r^UjJEO 3.删除表格选定记录
DBAJkBs int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
>s1FTB-$W string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
r(yJE1Wz >C+0LF`U 4.删除表格记录警告
0(|R NV_ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Jme}{!3m {
}r]WB)_w switch(e.Item.ItemType)
P{)H7B> {
(6A>:_) case ListItemType.Item :
K6KEdXM4 case ListItemType.AlternatingItem :
daaUC case ListItemType.EditItem:
}U7>_b2 TableCell myTableCell;
2n?\tOm(V myTableCell = e.Item.Cells[14];
|}^[f] LinkButton myDeleteButton ;
iN*d84KTP myDeleteButton = (LinkButton)myTableCell.Controls[0];
($E(^p% O myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
|~8\{IcZ break;
WEqHL,Uh] default:
-Hh$3Uv break;
j:"+/5rV8 }
|o~FKy1'z\ }E]`ly<Z }
*0 i *u>2" !+Ob 5.点击表格行链接另一页
t"2WJ-1k} private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
-}{\C]% {
0MMY{@n //点击表格打开
c1wgb8 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4@5rR~DQq e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
lcJ`OLG }
?8-e@/E#x MgHyKn'rL 双击表格连接到另一页
U'" ; u):z1b3*? 在itemDataBind事件中
g0rdF if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
eQcy'GA06 {
hz Vpv,|G string OrderItemID =e.item.cells[1].Text;
;Bcf~[ErM ...
\VHi e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
`!qWHm6I* }
~#I1!y~` 4E4o=Z|K 双击表格打开新一页
G8QJM0VpS if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3tnYK& {
{aGQ[MH\9 string OrderItemID =e.item.cells[1].Text;
D: JGd$` ...
kC|tv{g#> e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
/nb(F h|{T }
+;Cq>1x, F!pUfF,& ★特别注意:【?id=】 处不能为 【?id =】
t=XiSj\n 6.表格超连接列传递参数
DbPw)aCj <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
8k_,Hni <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
c1|o^ eZ
m|24)%Vj;= 7.表格点击改变颜色
v
bb mmv if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
H1\~T {
T:;e 73 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Pl1:d{"d this.style.color=’buttontext’;this.style.cursor=’default’;");
jXZKR(L }
rxP^L(q0* hJFQ/( 写在DataGrid的_ItemDataBound里
Ba`]Sm= if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
zXcSE" {
M/UJb1< e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
c0Q`S"o+ this.style.color=’buttontext’;this.style.cursor=’default’;");
yaR|d3ef?4 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Oo7n_h1 }
cB -XmX/ kdxs{b"t ZR..>= 8.关于日期格式
,{'~J @ >IoOCQQ* 日期格式设定
,0- DataFormatString="{0:yyyy-MM-dd}"
q#OLb"bTr q".l:T%|C} 我觉得应该在itembound事件中
T+sO(; e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
_;'}P2&Q .':SD{ 9.获取错误信息并到指定页面
^gb2=gWZ< b?w4Nx# 不要使用Response.Redirect,而应该使用Server.Transfer
+pf 7 \BJnJk!% e.g
&p=~=&g= // in global.asax
dZnq 96<:| protected void Application_Error(Object sender, EventArgs e) {
vKaX,)P;? if (Server.GetLastError() is HttpUnhandledException)
{Ziq~{W_ Server.Transfer("MyErrorPage.aspx");
yGS._;#R zlSwKd( //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
:U r%.0 }
YciZU ^]aDLjD 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
iT.hXzPzr* 4<lZ; M" 10.清空Cookie
=3 -G Cookie.Expires=[DateTime];
OsC1('4@ Response.Cookies("UserName").Expires = 0
ia?8Z"&lK ,j5fzA 11.自定义异常处理
F}sfk}rp //自定义异常处理类
Nk^#Sa? using System;
y# x]?%m using System.Diagnostics;
N:&^ql4 9KAXc(- namespace MyAppException
bZtjg {
gVZ~OcB!W /// <summary>
:k(aH Ua /// 从系统异常类ApplicationException继承的应用程序异常处理类。
RQe#X6'h /// 自动将异常内容记录到Windows NT/2000的应用程序日志
M?F({#] /// </summary>
#>>-:?X public class AppException:System.ApplicationException
4|Z3;;%+ {
kyY tL_SD public AppException()
T_B$ {
Dk[[f<H_{ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
RJd55+h }
F;MFw2G l&T;G9z public AppException(string message)
zeR!Y yt! {
a2p<HW;)m LogEvent(message);
ii~~xt1 }
X0
%k`3 8[zP2L!- public AppException(string message,Exception innerException)
AZtZa'hbkQ {
%} \@Wk~ LogEvent(message);
%2qvK} if (innerException != null)
r0S"}<8O {
*+Q,b ^N LogEvent(innerException.Message);
Y{2\==~ }
NFc<%#H }
-
d>)
lfWxdi //日志记录类
nDaQ1 using System;
odj|"ZK using System.Configuration;
BU])@~$ using System.Diagnostics;
K4l,YR;r using System.IO;
?M\3n5; using System.Text;
4d6F4G4U using System.Threading;
Pk*EnA) +hKQha!* namespace MyEventLog
YMJjO0 {
WKmGw^ /// <summary>
w{Dk,9>w) /// 事件日志记录类,提供事件日志记录支持
yjN|PqtSV /// <remarks>
##yi^;3Y /// 定义了4个日志记录方法 (error, warning, info, trace)
# {!Qf\1M /// </remarks>
UyIjM;X /// </summary>
Xt9?7J#\T public class ApplicationLog
@KNp?2a {
HtS:'~DYo /// <summary>
ggX'`bK /// 将错误信息记录到Win2000/NT事件日志中
b~v /// <param name="message">需要记录的文本信息</param>
dkRJ^~ /// </summary>
}U+gJkY2 public static void WriteError(String message)
;xwa,1] {
K+Ehj(eF WriteLog(TraceLevel.Error, message);
zD2Bhta y }
`@=}5 9+| k,b(MAiQ0 /// <summary>
UGr7,+N&w /// 将警告信息记录到Win2000/NT事件日志中
%,>> <8 /// <param name="message">需要记录的文本信息</param>
}GQ8|fg`U /// </summary>
q4(&.Al\@ public static void WriteWarning(String message)
)SUT+x(DU {
g2 4)GjDi WriteLog(TraceLevel.Warning, message);
C6O1ype }
lXL\e(ow hRGK W /// <summary>
jlzqa7 /// 将提示信息记录到Win2000/NT事件日志中
':F{st>&H /// <param name="message">需要记录的文本信息</param>
){R_o5 /// </summary>
u[PO'6Kzd public static void WriteInfo(String message)
I=Ws
/+ {
luLm:NWUM WriteLog(TraceLevel.Info, message);
Cl4y9| }
A^%z;( 0p /// <summary>
%=\h=\wt /// 将跟踪信息记录到Win2000/NT事件日志中
NfS0yQPx /// <param name="message">需要记录的文本信息</param>
6Z|/M6f /// </summary>
'-gk))u>) public static void WriteTrace(String message)
!tHqF {
6+m) WriteLog(TraceLevel.Verbose, message);
)^g}'V=vIr }
VLu_SXlo* xWn.vSos /// <summary>
Mz+|~'R /// 格式化记录到事件日志的文本信息格式
C6CX{IA] /// <param name="ex">需要格式化的异常对象</param>
BxO2w1G /// <param name="catchInfo">异常信息标题字符串.</param>
m->
chOu~| /// <retvalue>
G:A~nv9 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
dg/7?gV /// </retvalue>
kH1l -mxz /// </summary>
/ D#vs9S public static String FormatException(Exception ex, String catchInfo)
_(J- MCY\ {
E=sBcb/v StringBuilder strBuilder = new StringBuilder();
j\!zz if (catchInfo != String.Empty)
6bo,x {
U7tT strBuilder.Append(catchInfo).Append("\r\n");
f9&D0x? }
VH,k EbJ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
tG{e( return strBuilder.ToString();
uSM4:!8 }
p0`Wci y%}Po)X]f /// <summary>
9!gmS?f /// 实际事件日志写入方法
o9q%=/@, /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
0ydAdgD /// <param name="messageText">要记录的文本.</param>
X\X /// </summary>
&Mo=V4i> private static void WriteLog(TraceLevel level, String messageText)
'1=/G7g {
3`IDm5 try
ZRD* ^9) {
roj/GZAy" EventLogEntryType LogEntryType;
Nz*qz"T switch (level)
Y@M=6G {
#}:VZ2Z case TraceLevel.Error:
~9h6"0K! LogEntryType = EventLogEntryType.Error;
nU)}!` E break;
7ABHgw~?8r case TraceLevel.Warning:
92+({ fgW LogEntryType = EventLogEntryType.Warning;
7{8!IcR # break;
K]N^6ome case TraceLevel.Info:
"&Q-'L!M'/ LogEntryType = EventLogEntryType.Information;
3vQ?vS|2 break;
F@"Xd9q? case TraceLevel.Verbose:
2Z7smDJ LogEntryType = EventLogEntryType.SuccessAudit;
:NA cad break;
a%Mbq; default:
q+WO nTS LogEntryType = EventLogEntryType.SuccessAudit;
_+z@Qn?#6h break;
JjyQ }
7s<v06Wo gigDrf} EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
|cWW5\/ //写入事件日志
jR}h3! eventLog.WriteEntry(messageText, LogEntryType);
[-s0'z &AUL]:<s }
W_O,Kao catch {} //忽略任何异常
7bQ#M )} }
W-7yi`5 } //class ApplicationLog
s/`4]B;2U }
F!c%&Z }1N)3~ 12.Panel 横向滚动,纵向自动扩展
:9_K@f?n <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
=QRLKo#_ $-5iwZ 13.回车转换成Tab
04WKAP'c
N <script language="javascript" for="document" event="onkeydown">
VskyRxfdW3 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
67/hhO event.keyCode=9;
3/}=x<ui
</script>
MfCu\[qOz - FA#hUK$ onkeydown="if(event.keyCode==13) event.keyCode=9"
YpL{c* M 1,,o_e\nn3 14.DataGrid超级连接列
\hv*`ukF DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
X<,sc;"b`k .IYOtS 15.DataGrid行随鼠标变色
sBZKf8 @/ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Yt0
l'B%[u {
UZmzk if (e.Item.ItemType!=ListItemType.Header)
vRRi"bo {
} Yjic4? e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
JgYaA*1X e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
mBQ6qmK }
e|"`W`"- }
?Xh=rx_ ,)S|%tDW 16.模板列
b==<7[8 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
WvUe44&^$ <ITEMTEMPLATE>
*1Nz
VV <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
?G0=\U<
o, </ITEMTEMPLATE>
v(h
</ASP:TEMPLATECOLUMN>
p&:RSO ,F6i5128{ <ASP:TEMPLATECOLUMN headertext="选中">
{xr4CDP <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
i^Ep[3 <ITEMTEMPLATE>
Z fL\3Mn <ASP:CHECKBOX id="chkExport" runat="server" />
Co[ rhs </ITEMTEMPLATE>
B~caHG1b <EDITITEMTEMPLATE>
i/-Xpj]Zf <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
VISNmz2P </EDITITEMTEMPLATE>
q`"gT;3S </ASP:TEMPLATECOLUMN>
#f\U3p **fJAANc 后台代码
D0lgKQ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
aoI{<,( {
7MOjZD4? //改变列的选定,实现全选或全不选。
,]y)Dy CheckBox chkExport ;
ZK{VQ~ if( CheckAll.Checked)
3oE *86 {
@m1v B! foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
HGh`O\f8 {
QVb@/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
>m44U 9 chkExport.Checked = true;
~Pv4X2MO }
D(@#Gd\Z@ }
Do=*bZ;A else
Beiz*2-}a {
]y2(ZTNTs foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#gUM%$ {
VbKky1a@ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
f|1y?w?I chkExport.Checked = false;
bo0m/hVU }
w2@ `0 }
z,X
^; }
Q<;f-9q@ hz>&E,<8q 17.数字格式化
~+q$TV }f; Zx)! 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Ae<v <%#Container.DataItem("price","{0:¥#,##0.00}")%>
(`<l" @:_* NyeGa int i=123456;
WG1UvPK string s=i.ToString("###,###.00");
*jCXH<?R
s@jzu 18.日期格式化
%K\_gR}V NMJ230? 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
u/hFf3 ?Q]&d!UCs 显示为: 2004-8-11 19:44:28
#hH "g hE/gul?|_ 我只想要:2004-8-11 】
u f.Zg;Vc <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
=L
7scv%i /=FQ{tLr 应该如何改?
Yih^ZTf]O? l$}h1&V7 【格式化日期】
K9mL1 [B Io|NL6[ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
yLW iY~Fd Om\?<aul 【日期的验证表达式】
ZcYxH|Gn WW:@% cQ@ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Y 'Yoc ^((\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})))?$
/E2/3z 51*o&:eim B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
94 H\,}i8 ^\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]))$
WID4 {>G2 NFDi2L>Ba 【大小写转换】
)U6T]1 HttpUtility.HtmlEncode(string);
vnw83a%3 HttpUtility.HtmlDecode(string)
((SN We )|x)KY 19.如何设定全局变量
-|~6Zf" _SJ#k|vcq Global.asax中
G[)Ll= CSN]k)\N( Application_Start()事件中
K=;z&E=<c Xjt/ G):L 添加Application[属性名] = xxx;
b%2+g<UKh V)mRG`L 就是你的全局变量
jQFAlO(E': [>A%% 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
<Qe30_<K npkE[JE: HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
uCB7(< <{Wsh#7 }. 【ASPNETMENU】点击菜单项弹出新窗口
$VvL 9fp1*d 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
'JsP9>) <?xml version="1.0" encoding="GB2312"?>
$z"3_4a <MenuData ImagesBaseURL="images/">
h\Ck""& <MenuGroup>
B<SuNbR <MenuItem Label="内参信息" URL="Infomation.aspx" >
3WZ]9v{k <MenuGroup ID="BBC">
Vahfz8~w/ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
X-|Lg.s <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
{9q~bt ......
K9\`Wu_qL (]n^_G#-$ 最好将你的aspnetmenu升级到1.2版
_5uzu6:y H4ml0SS^ 21.读取DataGrid控件TextBox值
/~yk foreach(DataGrid dgi in yourDataGrid.Items)
ma)Y@Uw M {
Zg"g/I.+d TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
e|Rd# tb.Text....
:@a8>i1& }
~L)9XK^15 rH"& 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?
8@^=k.5IK Lt$LXE 〖思归〗
Q%o:*(x[O <asp:TemplateColumn HeaderText="数量">
}SIUsh' <ItemTemplate>
g)c<\% <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
{hr>m,O% onkeyup="javascript:DoCal()"
_]E H~; />
0l=g$G
\%
49q\/ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Sz|;wsF{ </ItemTemplate>
th]1>
. </asp:TemplateColumn>
?s/]k#H zRSIJ!A~ <asp:TemplateColumn HeaderText="单价">
V+j58Wuf <ItemTemplate>
D|lp3\`% <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
FGY4 u4y onkeyup="javascript:DoCal()"
2x%Xx3! />
f mu `o- 2MaHD}1Jw <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
ANh7`AUuO e=S51q_0 </ItemTemplate>
0IO#h{t </asp:TemplateColumn>
|zhVl R+
#(\ <asp:TemplateColumn HeaderText="金额">
V`Ve__5; <ItemTemplate>
I*8i=O@0T <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Q'xZ\t </ItemTemplate>
's#"~<L^e </asp:TemplateColumn><script language="javascript">
OE_;i}58 function DoCal()
&!7{2E\7C {
kH:! 7L_= var e = event.srcElement;
_
T ;+* var row = e.parentNode.parentNode;
+72[*_ < var txts = row.all.tags("INPUT");
P?D;BAP2 if (!txts.length || txts.length < 3)
$KDH"J return;
N0TEVDsk DMO8~5 var q = txts[txts.length-3].value;
q {v?2v{ var p = txts[txts.length-2].value;
F#d`nZ=M AY3nQH
if (isNaN(q) || isNaN(p))
7&-i
:2 return;
V}de|= 7\ELr 5
q = parseInt(q);
o9&&u1`M/ p = parseFloat(p);
^0"W/ ^=kUNyY txts[txts.length-1].value = (q * p).toFixed(2);
qRy<W }
\Nd8,hE </script>
~:8}Bz2!5 Dxj&9Ra 3@xn<eu 0V:7pSC{P zl~`> 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。
lI#Ap2@ page_load
7Uy49cs, page.smartNavigation=true
-n.ltgW@ !I3_KuJ5 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 ?
;Oh abbj* private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
'#JC 6#X {
jvGGIb"&1 for(int i=0;i<e.Item.Cells.Count-1;i++)
B[2 qI7D$ if(e.Item.ItemType==ListItemType.EditType)
ean_/E {
R`%C]uG e.Item.Cells.Attributes.Add("Width", "80px")
2|Of$oMc }
@JFfyQ {- }
hRKAs
]^j zT_ 26.对话框
c-1Hxd YD private static string ScriptBegin = "<script language=\"JavaScript\">";
5!GL" private static string ScriptEnd = "</script>";
v E4ce bo>4:i public static void ConfirmMessageBox(string PageTarget,string Content)
mBb;:-5 {
$_bhZnYp7 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
^Bkwbj 6;|6@j ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
RZKdh}B?\ *CsRO Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
f9R~RRz ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
lt:xN?--A? //Response.Write(strScript);
iA=QK
u! }
>b6!*Lrhs ?<_yW#x6 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
A:{PPjs%LA bLSZZfq 1.1 取当前年月日时分秒
UJhmhI currentTime=System.DateTime.Now;
rUg<(/c v$H=~m 1.2 取当前年
@jXdQY%{ int 年= DateTime.Now.Year;
nu'r` dCbRlW 1.3 取当前月
G6l:El& int 月= DateTime.Now.Month;
-> $]`h" y,D@[*~Xb 1.4 取当前日
5"5tY int 日= DateTime.Now.Day;
Nn`l+WA3 I-L52%E] 1.5 取当前时
huPAWlxT int 时= DateTime.Now.Hour;
A>C&`A=- ?p&CR[ 1.6 取当前分
HUP~ int 分= DateTime.Now.Minute;
p }p@])}8 mgODJ 1.7 取当前秒
J(0E'o{ug int 秒= DateTime.Now.Second;
>
T$M0&< wW.V>$q 1.8 取当前毫秒
u
ZzO$e int 毫秒= DateTime.Now.Millisecond;
%A]?5J)Bi B^;G3+} 28.自定义分页代码:
#o>~@.S#:0 eUY/H1 先定义变量 :
n5Coxvy1 public static int pageCount; //总页面数
pZVT:qFF public static int curPageIndex=1; //当前页面
b8QQS#q)V <./r%3$;7 下一页:
-[h2fqu1 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
C[4{\3\Va {
}fS`jq; DataGrid1.CurrentPageIndex += 1;
`f|Gw5R curPageIndex+=1;
bi@z<Xm% }
Fj_6jsDb FZk=-.Hk bind(); // DataGrid1数据绑定函数
C>}@"eK @k|V4 上一页:
q=, if(DataGrid1.CurrentPageIndex >0)
5{PT {
y Tb OBl DataGrid1.CurrentPageIndex += 1;
vzXfJP curPageIndex-=1;
uG\ @e'pr }
Ro2Ab^rQ| fRt`]o:Om bind(); // DataGrid1数据绑定函数
s%6{X48vY^ L
`\>_ 直接页面跳转:
(=jztIZC int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
\me'B {aa y;GwMi$KI if(a<DataGrid1.PageCount)
>.xgo6 {
$;J:kd;< this.DataGrid1.CurrentPageIndex=a;
'5f6
M^}|2 }
7o99@K, :l;SG=scx bind();
d~|/LR5 8:9/RL\"x 29.DataGrid使用:
1ZrJ7a7= #M)SAe2 添加删除确认:
9%^IMUWA private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ji&%'h {
~;QzV?% foreach(DataGridItem di in this.DataGrid1.Items)
(m~gG|n4 {
lihV! 1 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
\]Nt-3|`0 {
E! s?amM4 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
R(1N]> }
;^"#3_7T] }
FD1Z}v!5IJ }
bTd94 ,B'n0AO/' 样式交替:
pm4'2B|)g ListItemType itemType = e.Item.ItemType;
F7"v}K]X 9kO}054 if (itemType == ListItemType.Item )
vl"{ovoC {
(fTi1
I! e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
)q8!:Z e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
OL2 b }
/[FES78p else if( itemType == ListItemType.AlternatingItem)
myvn@OsEw {
32S5Ai@Cd" e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
&*\-4)Tf e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
'CfM'f3uu }
`pJWZ:3 B/^1uPTZ71 添加一个编号列:
4iPxtVT DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
TIIwq H+h. DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
. 1q4Q\B< qt.Y6s:r_ for(int i=0;i<dt.Rows.Count;i++)
tsWzM9Yf {
0]u=GD% dt.Rows["number"]=(i+1).ToString();
u,88V@^ }
{0IC2jE GEGg
S&SM DataGrid1.DataSource=dt;
@&F\ M} DataGrid1.DataBind();
P-LdzVt(^ $j"TPkW{M DataGrid1中添加一个CheckBox,页面中添加一个全选框
qJZ:\u8oO private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
bkSI1m3 {
*S?vw'n foreach(DataGridItem thisitem in DataGrid1.Items)
abczW[\ {
RHj<t"); ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
RLE6=#4 }
h4,S/n }
CY?19Ak-xd :&-j{8p- 将当前页面中DataGrid1显示的数据全部删除
p( 6!7t: foreach(DataGridItem thisitem in DataGrid1.Items)
An2Wj {
6?uo6 I if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
lD]/Kx {
){M)0,: string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
_c@k>"_{S Del (strloginid); //删除函数
T/YvCbo }
IPxK$nI^ }
H vezi>M e"u89acp 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)
qCUn.
mI vbMt}bM(GD 在Application_Start中添加以下代码:
Dxx`<=&g Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
JZom#A.
dt AppSettings["ConnStr"].ToString();
eI:;l];G9 :WM[[LOaC 31. 变量.ToString()
ns}"[44C}l q*pWx]Y 字符型转换 转为字符串
=e!o 12345.ToString("n"); //生成 12,345.00
o8h1 12345.ToString("C"); //生成 ¥12,345.00
/q\{Os rX 12345.ToString("e"); //生成 1.234500e+004
a]%>7yr4 12345.ToString("f4"); //生成 12345.0000
enw7?| ( 12345.ToString("x"); //生成 3039 (16进制)
3w!,@=.q 12345.ToString("p"); //生成 1,234,500.00%
>ZjGs8& C0#"U f 32、变量.Substring(参数1,参数2);
>SSRwYIN OO /Pc 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);
kA/V=xO< \66j4?H# 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)
@`S8d%6P <SCRIPT language="javascript">
sncc DuS <!--
'H|=]n0 function gook(pws)
U|YIu!^ {
g0M9v]c
frm.submit();
^Ss4< }
|`c=`xK7' //-->
n>##,o|Vr# NUjo5.7 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
@,%IVKg\ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
u''~nSR3& <tr>
k2t#O%_f <td>
50VH>b_ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
*E1 v <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Q ,6[ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
O9Fg_qfuT_ -'wFaW0%I <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
.C7;T'>! <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
25-5X3(>j= |v?*}6:a </td>
pQ/
bIuq #nS[]UbwZ </tr>
0*umf.R 1}>u Y </form>
M>kk"tyM CDRkH)~$ 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。
TexSUtx@$ MRZ/%OZ. 下面是获取用户输入的登陆信息的代码:
mok%TK string name;
U%)m
[zAw name=Request.QueryString["EmailName"];
*
U#@M3g. xOgUX6n try
@c{rqa
v {
5Z@~d'D int a=name.IndexOf("@",0,name.Length);
'D1Sm&M2%e f_user.Value=name.Substring(0,a);
:!nBTw f_domain.Value=name.Substring(a+1,name.Length-(a+1));
hJIF!eoI f_pass.Value=Request.QueryString["Psw"];
u{>_Pb }
wO&2S-;_K ++ZtL\h{7 catch
6;^ e {
TP-<Lhy Script.Alert("错误的邮箱!");
H.R7,'9 Server.Transfer("index.aspx");
n"P29" }