1. 打开新的窗口并传送参数:
L}x"U9'C 9A)(K, 传送参数:
O*!+D- response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
3E:wyf)i" RG # 接收参数:
Cz m`5 string a = Request.QueryString("id");
Up)b;wR string b = Request.QueryString("id1");
z2S53^C* A]ciox$AjW 2.为按钮添加对话框
) Q]kUG#` Button1.Attributes.Add("onclick","return confirm(’确认?’)");
($[pCdY button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
*>zr'Tt,W $OmcEd 3.删除表格选定记录
ub./U@1 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
x^9W< string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
d),@&MSN _8DY9GaE 4.删除表格记录警告
,$7LMTVDrE private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
2u/(Q># {
DJT)7l { switch(e.Item.ItemType)
J1P82=$, {
C`7HC2Is case ListItemType.Item :
l,-smK69
case ListItemType.AlternatingItem :
"kVN|Do case ListItemType.EditItem:
B5P++aQ TableCell myTableCell;
ayHI(4!$j myTableCell = e.Item.Cells[14];
W)$;T%u LinkButton myDeleteButton ;
dV.)+X7< myDeleteButton = (LinkButton)myTableCell.Controls[0];
1K4LEga` myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
H[fD
> break;
el5F>) default:
Y=/HsG\W] break;
uWv l<{2 }
"f3, w l4v)tV~ }
5rfGMk< _Ev"/% 5.点击表格行链接另一页
82efqzT private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Xl@nv9m {
Vy&F{T;$ //点击表格打开
.ikFqZ$$ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_QkU,[E e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
] l}8 }
pJK puoiX HOtays,#<} 双击表格连接到另一页
=DGaK0n h:Npi
`y 在itemDataBind事件中
IgR_p7['. if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
rS{Rzs^@ {
H2p1gb# string OrderItemID =e.item.cells[1].Text;
OKxPf]~4E ...
3,S5>~R= e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
8!S="_ }
w9H%u0V? ,Es5PmV@$% 双击表格打开新一页
/N{x Ft/? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
J$]d%p_I {
u
L/*,[}' string OrderItemID =e.item.cells[1].Text;
QJvA ...
]ZHC*r2i e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
adHHnH`, }
//_v"dqP{) P;mmK&& ★特别注意:【?id=】 处不能为 【?id =】
D{PO!WzW 6.表格超连接列传递参数
MpGWt# <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Q0Dw2>~_K <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
kplyZ }V6}>!Sb 7.表格点击改变颜色
e9o(hL if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
zA\DI]:+ {
|A[Le
;, e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
fL'
42 this.style.color=’buttontext’;this.style.cursor=’default’;");
57%:0loW }
;,'eO i "Do9gW 写在DataGrid的_ItemDataBound里
\b{=&B[Q$' if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
. m@Sk`s {
0 \&4? e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
W5HC7o\4 this.style.color=’buttontext’;this.style.cursor=’default’;");
!pQQkZol e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
P0 hC4Sxf }
;~tKNytD`B WSW aq\9]8 *=UEx0_!q 8.关于日期格式
{[NBTT9& k
32Jz.\B 日期格式设定
QE m6#y DataFormatString="{0:yyyy-MM-dd}"
wRi!eN? /2~qm/%Q 我觉得应该在itembound事件中
:
v<|y F e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
'HH[[9Q =Pd3SC})6V 9.获取错误信息并到指定页面
[
!].G=8 = 0Z}s 不要使用Response.Redirect,而应该使用Server.Transfer
A)/_: 3K_J"B*7 e.g
|z-A;uL < // in global.asax
3tA6r protected void Application_Error(Object sender, EventArgs e) {
=M*31>"I0 if (Server.GetLastError() is HttpUnhandledException)
Z ZX|MA! Server.Transfer("MyErrorPage.aspx");
?2E@)7 d+\o>x|Y!Y //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
PI)lJ\ }
,1a6u3f, BwEO2a{ 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
l _dWS9 =j#uH`jgW 10.清空Cookie
&) T5V Cookie.Expires=[DateTime];
'W@X139zq Response.Cookies("UserName").Expires = 0
jL<:N
8 9B{,q6 11.自定义异常处理
;1'X_tp //自定义异常处理类
XBh0=E?qiS using System;
;w a-\Z using System.Diagnostics;
AD_")_B|i 9i;%(b{ namespace MyAppException
wzwEYZN(q {
y
U
=) g /// <summary>
YNRpIhb /// 从系统异常类ApplicationException继承的应用程序异常处理类。
wa\Yc,R /// 自动将异常内容记录到Windows NT/2000的应用程序日志
#.'0DWT\- /// </summary>
+C' u!^) public class AppException:System.ApplicationException
{^a"T'+ {
idPx!
fe public AppException()
?\"GT] 5D {
:k*'MU} if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
LP-~; }
1hp`.!3]H 3LN+gXmU public AppException(string message)
'y[74?1 {
opU=49b LogEvent(message);
sEkfmB2J/ }
SR!EQ< r'/&{?Je/ public AppException(string message,Exception innerException)
8Wqh 8$ {
}Go?j#
! LogEvent(message);
6Ri+DPf: if (innerException != null)
wI8 {
X6)%2TwO LogEvent(innerException.Message);
c<bV3, }
DA]<30w }
= >CADTU `@TWZ%f6 //日志记录类
DB%}@IW" using System;
w"ZngrwBl using System.Configuration;
d!0iv'^ t using System.Diagnostics;
.8e]-^Z using System.IO;
'2Q[g0VR using System.Text;
HVjN<H IqM using System.Threading;
XuS3#L/3p *U>"_h T0 namespace MyEventLog
x3DUz {
uPCzs$R /// <summary>
/JsA[}.6 /// 事件日志记录类,提供事件日志记录支持
bpP-wA^Hd /// <remarks>
'F2g2W` /// 定义了4个日志记录方法 (error, warning, info, trace)
S:B$c> /// </remarks>
E$SYXe [, /// </summary>
X1*f#3cm# public class ApplicationLog
k_;g-r, {
abMB- /// <summary>
jkAWRpOc) /// 将错误信息记录到Win2000/NT事件日志中
mR,w~wP /// <param name="message">需要记录的文本信息</param>
Fi+8| /5 /// </summary>
)7]la/0 public static void WriteError(String message)
t57MKDn {
ly[j=vBV WriteLog(TraceLevel.Error, message);
n?Zt\Kto }
M(
w'TE@ .*}!XKp0j /// <summary>
F$/7X~* /// 将警告信息记录到Win2000/NT事件日志中
`D/<*e,# /// <param name="message">需要记录的文本信息</param>
<+y%k~(" /// </summary>
hGU
m7 public static void WriteWarning(String message)
b~$8<\ {
T.(C`/VM WriteLog(TraceLevel.Warning, message);
/a,"b8 }
E] 6]c!2: pO?v$Rjl /// <summary>
L"KKW
c /// 将提示信息记录到Win2000/NT事件日志中
f9K+o-P.h /// <param name="message">需要记录的文本信息</param>
CdZ. T/x /// </summary>
C5Vlqc; public static void WriteInfo(String message)
&]"Z x0t5% {
;!S i_b2 WriteLog(TraceLevel.Info, message);
?K\r-J!Y }
*I:a\o~$[ /// <summary>
Sw.k,p*r /// 将跟踪信息记录到Win2000/NT事件日志中
8]K+,0m6 /// <param name="message">需要记录的文本信息</param>
Qz4eQlWhp /// </summary>
A$g'/QM public static void WriteTrace(String message)
IayF<y,8 {
BUCPO}I WriteLog(TraceLevel.Verbose, message);
|.z4 VJi4 }
2=
Y8$- 5BJn_< /// <summary>
-zg 6^f_pW /// 格式化记录到事件日志的文本信息格式
U5
ia| V /// <param name="ex">需要格式化的异常对象</param>
^
Paf -/ /// <param name="catchInfo">异常信息标题字符串.</param>
W(}2R>$ /// <retvalue>
*ESi~7;# /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
DH7]TRCMZ) /// </retvalue>
Nwj M=GG /// </summary>
1Ep7CV-n} public static String FormatException(Exception ex, String catchInfo)
\9fJ)*- {
ekW#| StringBuilder strBuilder = new StringBuilder();
"8p<NsU if (catchInfo != String.Empty)
KVevvy)W {
}hE!0q~MfM strBuilder.Append(catchInfo).Append("\r\n");
?bH` }
f?r{Q strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
;}lsD1S: return strBuilder.ToString();
"574%\#4z }
QFK'r\3pU ~Ede5Vg!!2 /// <summary>
Ei<m/v
/// 实际事件日志写入方法
;eJ|)* /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
O=eU38n:5u /// <param name="messageText">要记录的文本.</param>
e(?1`1 /// </summary>
194n private static void WriteLog(TraceLevel level, String messageText)
Py?e+[cN {
iGSF5S try
Ey.%:
O-Dv {
#)#J`s1R EventLogEntryType LogEntryType;
Rh!m1Q(- switch (level)
TS`m&N{i") {
!3<b#QAXRG case TraceLevel.Error:
Aj]/A LogEntryType = EventLogEntryType.Error;
\T[OF8yhW break;
fRxn,HyV case TraceLevel.Warning:
iMv):1p>8 LogEntryType = EventLogEntryType.Warning;
$VjMd f break;
IAWs}xIly case TraceLevel.Info:
g##<d(e!} LogEntryType = EventLogEntryType.Information;
WZn"I&Z break;
s1R#X~d case TraceLevel.Verbose:
mE;^B%v LogEntryType = EventLogEntryType.SuccessAudit;
h@]{j_$u break;
S(Z\h_m( default:
^hsr/| LogEntryType = EventLogEntryType.SuccessAudit;
vM-kk:n7f break;
([|^3tM }
!acuOBv, Rqbz3h~ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
8QMMKOui\ //写入事件日志
$2Awp@j eventLog.WriteEntry(messageText, LogEntryType);
f'MRC
\ m;nH
v }
q Y!LzKM0 catch {} //忽略任何异常
^$mCF%e8H }
mE=Tj%+x } //class ApplicationLog
Zl>wWJ3y }
Unansk i!fk'Yt% 12.Panel 横向滚动,纵向自动扩展
@Z7s3b <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
[vz2< genn I.Xbowl 13.回车转换成Tab
T24$lhM <script language="javascript" for="document" event="onkeydown">
<IBUl}|\ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
{u0sbb( event.keyCode=9;
=*.S<Ko) </script>
)iVuac]E++ O'(D:D? onkeydown="if(event.keyCode==13) event.keyCode=9"
Y9
Bk$$#\ Bs|#7mA[ 14.DataGrid超级连接列
\ [M4[Qlq DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
AFeFH.G6Jr r[^O 7 15.DataGrid行随鼠标变色
dtjb(*x private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
zGc]*R {
>)Bv>HM if (e.Item.ItemType!=ListItemType.Header)
.
Y$xNLoP[ {
BlM(Q/z e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
VV#'d e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
5Vdy:l }
pcQkJF }
B/mfm 7 Q'hs,t1< 16.模板列
~$rSy|19 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
-G#m'W& <ITEMTEMPLATE>
0bD\`Jiv, <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
G8MLg # </ITEMTEMPLATE>
A;6ew4 </ASP:TEMPLATECOLUMN>
(dx~lMI K|Xe) <ASP:TEMPLATECOLUMN headertext="选中">
W^c /l*>v <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\/nSRAk <ITEMTEMPLATE>
yn20*ix{ <ASP:CHECKBOX id="chkExport" runat="server" />
cxFyN;7 </ITEMTEMPLATE>
yMmUOIxk\ <EDITITEMTEMPLATE>
V&/Cb&~Uw <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
-a"b:Q </EDITITEMTEMPLATE>
,Ij/
^EC} </ASP:TEMPLATECOLUMN>
&' y}L' i=hA. y` 后台代码
:QHh;TIG=< protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
rt?*eC1b+Z {
ux17q>G //改变列的选定,实现全选或全不选。
Po.by~| CheckBox chkExport ;
^&c &5S} if( CheckAll.Checked)
Y:Jgr&*,z {
+1\t0P24 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
,% .)mf {
o{l]n* chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
?iamo.0zN chkExport.Checked = true;
*Uf>Xr& }
v0bP|h[t }
Kw:%B|B<T else
MOi1+`kwh {
6JRFYgI foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
S0LaQ<9. {
+Z=y/wY chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
'!`]Zc chkExport.Checked = false;
o!c~"
}
8KKhD$ }
1F+JyZK}w }
[81q 0@ k%aJ%( 17.数字格式化
C<w&mFozL "{2niBx 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
VtGZB3 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
K<5 0>uG
NfmHa int i=123456;
eax"AmO string s=i.ToString("###,###.00");
7*He 8G[W PSyUC#; 18.日期格式化
QiJ o,@(]e~ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
%'S[f \eRct_ 显示为: 2004-8-11 19:44:28
\m:('^\6o k~fH:X~x 我只想要:2004-8-11 】
Vjd>j; H <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
aP"!}* 8NTE`l=>/ 应该如何改?
4U u`1gtz H5o=nWQ6e 【格式化日期】
.1_kRy2*. )t CNp 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
J93xxj g}L>k}I?!W 【日期的验证表达式】
<;Tr
nlaW$b{= A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
b`F]oQ_* ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
,_Kr}RH 15r=d B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
2 gR*] ?C* ^\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]))$
Z[eWey_ +(^HL3 【大小写转换】
fPPmUM^C9 HttpUtility.HtmlEncode(string);
|.L_c"Bc HttpUtility.HtmlDecode(string)
7!\zo mx W+5. lf=2> 19.如何设定全局变量
Yy6$q\@rV =%c\<<]aV Global.asax中
D3%2O`9 Ivj=?[c| Application_Start()事件中
0m"Ni:KEf A7|L|+ ? 添加Application[属性名] = xxx;
> >KCd ={+8jQqi1 就是你的全局变量
&b7_%,Bx4 w~ON861 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
"Mhn?PTq )^+hm+27v HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
ic"8'Rwb ;BYuNQr 【ASPNETMENU】点击菜单项弹出新窗口
${eV3LSC Bv'%$}}- 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
c?u*,d) G <?xml version="1.0" encoding="GB2312"?>
Y]](.\ff <MenuData ImagesBaseURL="images/">
6bLn8UT <MenuGroup>
akU2ToP <MenuItem Label="内参信息" URL="Infomation.aspx" >
X8R`C0
<MenuGroup ID="BBC">
w,$qsmR <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
D79:L: <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
75lh07 ......
l {>j8Ln ~x#TfeU] 最好将你的aspnetmenu升级到1.2版
"Y=`w,~~ I
"~.p=' 21.读取DataGrid控件TextBox值
)1KyUQ\e foreach(DataGrid dgi in yourDataGrid.Items)
j)6p>6 {
OTdijQLY TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
6/Xs}[iJ tb.Text....
jWv'`c }
FutS OmO#} k< 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
p2{7+m gJ'pwSA 〖思归〗
'.(Gg%*\. <asp:TemplateColumn HeaderText="数量">
J5I@*f)l <ItemTemplate>
I}3F'}JV< <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
,_I
rE onkeyup="javascript:DoCal()"
"4)N]Nj />
R=lw}jH [Z
p;w&}l{{ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Y(.e e%;, </ItemTemplate>
At4\D+J{Vs </asp:TemplateColumn>
C,Nf|L((6 Cp6S2v I <asp:TemplateColumn HeaderText="单价">
A51
a/p# <ItemTemplate>
cMXv <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
A iM ukd, onkeyup="javascript:DoCal()"
8(L$a1#5W />
,PTM'O@aU# P 0,]`w <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
P1Hab2%+ $^ee~v;m4 </ItemTemplate>
ayy\7b </asp:TemplateColumn>
](w)e
p~;3 K381B5_h <asp:TemplateColumn HeaderText="金额">
=:gKh <ItemTemplate>
|Vx[ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Lq2Q:w' </ItemTemplate>
8tx*z"2S </asp:TemplateColumn><script language="javascript">
~~W.]>f function DoCal()
nqj(V {
vB8$Qx\J var e = event.srcElement;
Z<nNk.G var row = e.parentNode.parentNode;
)D+BvJ Y" var txts = row.all.tags("INPUT");
6e-ME3!<l if (!txts.length || txts.length < 3)
4&mY-N7A return;
$hhXsu= q`*.F#/4c var q = txts[txts.length-3].value;
5Z>a}s_i var p = txts[txts.length-2].value;
q<&1,^A w2
Y%yjCV if (isNaN(q) || isNaN(p))
fsL9d} return;
COh#/-`\1 ${Un#]g q = parseInt(q);
]Dq6XR p = parseFloat(p);
&
kC duG!QS: txts[txts.length-1].value = (q * p).toFixed(2);
$${I[2R) }
w}3N!jNDv </script>
pP| @Z{7d` z!g$#hmL> //7YtK6 eFiG:LS7 6>]_H(z7 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
cGlN*GJ*H page_load
cGV%=N^BE< page.smartNavigation=true
h#YO;m2wd 5A0]+)5E8 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
Hu|Tj<S private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
8_%GH}{ {
b/S:&%E for(int i=0;i<e.Item.Cells.Count-1;i++)
: s
* if(e.Item.ItemType==ListItemType.EditType)
BN 9e S {
#*iUZo e.Item.Cells.Attributes.Add("Width", "80px")
=Y2 Rht }
}097[-g7 }
~@'wqGTp al[^pPKZ 26.对话框
Ch"wp/[ private static string ScriptBegin = "<script language=\"JavaScript\">";
IW\^-LI. private static string ScriptEnd = "</script>";
vkG#G]Qs"; }g +kU1y public static void ConfirmMessageBox(string PageTarget,string Content)
1
uU$V
= {
};'@'
string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
.n7@$kq pT,8E(*l2 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
_#{ *I(l _^_3>}y5op Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
T,!EL+o4 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
l= {Y[T& //Response.Write(strScript);
&{j!!LL }
-E}X`?WhD ;^N
lq3N 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
daSe0:daJ U`6|K$@ 1.1 取当前年月日时分秒
?s2-iuMPd currentTime=System.DateTime.Now;
T";evM66 *O[/KR% 1.2 取当前年
}#7l-@{< int 年= DateTime.Now.Year;
.))g]CH d[6 'w ? 1.3 取当前月
Tx}Nr^ int 月= DateTime.Now.Month;
y[b8rv ,&BNN]k 1.4 取当前日
T`e`nQ0nn int 日= DateTime.Now.Day;
KJ+6Y9b1 i8?oe%9l 1.5 取当前时
CR$wzjP j int 时= DateTime.Now.Hour;
D?dBm 3(oMASf 1.6 取当前分
! ;>s .] int 分= DateTime.Now.Minute;
H4ie$/[$8 bll[E}E|3 1.7 取当前秒
3VLwY!2: int 秒= DateTime.Now.Second;
+6uf6&.@~ O84:ejro 1.8 取当前毫秒
1Le8W)J int 毫秒= DateTime.Now.Millisecond;
pFH.beY rN9qH 28.自定义分页代码:
*+rfRH]a bse`Xfg 先定义变量 :
XYvj3+ public static int pageCount; //总页面数
4~Qnhv7 public static int curPageIndex=1; //当前页面
:fj>JF\[ f"Iui 下一页:
[yMSCCswW if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
deAV:c {
c>$d!IKCL DataGrid1.CurrentPageIndex += 1;
z-MQGqxR curPageIndex+=1;
AZ(zM.y!#_ }
;h1hz^Wq Z7bJ<TpZ bind(); // DataGrid1数据绑定函数
,<
g%}P/ sgOau\E 上一页:
f$FO 1B) if(DataGrid1.CurrentPageIndex >0)
oJD]h/fQs {
/Pextj< DataGrid1.CurrentPageIndex += 1;
*sldv curPageIndex-=1;
i[[.1MnS }
>/74u/& 'ge$}L}4 bind(); // DataGrid1数据绑定函数
J&j5@ &?y@`',a0{ 直接页面跳转:
5Xr})%L int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
WSMpX-^e@ ~qZ6I)? if(a<DataGrid1.PageCount)
G2N0'R" {
)Wle
CS_ this.DataGrid1.CurrentPageIndex=a;
FdE?uw }
*` mxv0w~( rGQD+ d bind();
L*4"D4V ?#GTD?3d 29.DataGrid使用:
E
G+/2o+W Aa_@&e 添加删除确认:
4AzDWK@/ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
"Bwz
Fh {
tf6-DmMH foreach(DataGridItem di in this.DataGrid1.Items)
+EjXoW7V {
C&Qt*V#, if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
w2xD1oK~o {
pq
r_{ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
/RJ]MQ\*O }
y0Gblza }
I(AlRh }
uDND o [>mH 样式交替:
$}vzBuWHwN ListItemType itemType = e.Item.ItemType;
%0 {_b68x EVLL,x.~:z if (itemType == ListItemType.Item )
2FaCrc/ {
/ojx$Um e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
S`YT"|~ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
tl /i }
zWU]4;," else if( itemType == ListItemType.AlternatingItem)
VoYL}67c {
p*5_+u e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
;o'r@4^&$R e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
ML'y`S }
s<"|'~<n h2x9LPLBxT 添加一个编号列:
PX/Y?DP DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
uvJHkAi DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
@.$-
^- OS`jttU@ for(int i=0;i<dt.Rows.Count;i++)
?7V~>i8[ {
fZ & dt.Rows["number"]=(i+1).ToString();
f8[O]MrO; }
pTi7Xy!Cw niCK(&z DataGrid1.DataSource=dt;
nK03x YA DataGrid1.DataBind();
5PZ!ZO& q=->) &D% DataGrid1中添加一个CheckBox,页面中添加一个全选框
?Xvy0/s5 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
B(1-u!pz {
{ rLgyrj$ foreach(DataGridItem thisitem in DataGrid1.Items)
s!?uLSEdb {
"P#1= ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
vVSDPlN; }
=K0%bI }
]i(/T$?~ wHs1ge ( 将当前页面中DataGrid1显示的数据全部删除
o$</At foreach(DataGridItem thisitem in DataGrid1.Items)
+'c+X^_ {
W9w*=W
)Z if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
P~{8L.w!>W {
";=!PL string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
;$&\:-6A# Del (strloginid); //删除函数
p&RC#wYu }
:p}8#rb }
9\hI:rI BZ:tVfg. 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)
% Q6
za'25 wjl )yo$z 在Application_Start中添加以下代码:
$O*@Jg= Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
t?G6|3 AppSettings["ConnStr"].ToString();
>-N(o2j3 Bz_'>6w 31. 变量.ToString()
i:aW
.QZ. =W3
K6w 字符型转换 转为字符串
) %Fwfb 12345.ToString("n"); //生成 12,345.00
q 7%p3 12345.ToString("C"); //生成 ¥12,345.00
@T\n@M] 12345.ToString("e"); //生成 1.234500e+004
1X5g(B
12345.ToString("f4"); //生成 12345.0000
la+Cra&xL 12345.ToString("x"); //生成 3039 (16进制)
ujxr/8mjV 12345.ToString("p"); //生成 1,234,500.00%
=${.*,o V_gKl;Kfe8 32、变量.Substring(参数1,参数2);
BJUj#s0$ ]w6Q? %'9 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);
&;-zy%#l To>,8E+GAb 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)
a,vS{434J <SCRIPT language="javascript">
IANSpWea? <!--
Q"qI'*Kgt function gook(pws)
%nY\" {
RN(I}]] a frm.submit();
O<cP1TF }
/jGBQ-X //-->
S/5QK(XLC) VdK%m`;2 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
DD$>3` <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
p?Azn>qBa <tr>
4uIYX <td>
f zo'9 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
1'<C-[1 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
.}!.4J%q2 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
N;|^C{uz @[3c1B6K <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
?+d`_/IB <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
{=[>N>" "OjAhKfG </td>
Tsg9,/vXM R
p&J!hlA </tr>
q;'f3Y 5^ Qa8yA>7 </form>
ZUQ
_u P'Rw/co 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。
5Ml=<^ rR.It,, 下面是获取用户输入的登陆信息的代码:
@yuiNj.T string name;
0\%g@j-aD name=Request.QueryString["EmailName"];
O_:l;D#i WBE>0L try
/d3Jd.l! {
A"V
mxP int a=name.IndexOf("@",0,name.Length);
KG'i#(u[ f_user.Value=name.Substring(0,a);
3xChik{ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
sT\:** f_pass.Value=Request.QueryString["Psw"];
/\8Il+0 }
o:@Q1+p \]9)%3I catch
So aqmY;+ {
5}#wp4U Script.Alert("错误的邮箱!");
!$Nj! Server.Transfer("index.aspx");
L80(9Y^xn }