1. 打开新的窗口并传送参数:
ctwhfS|Y0 goBKr: &]w 传送参数:
@+T{M:&l response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
2F*Dkv g-{<v4 NGI 接收参数:
Aoy1<8WP%
string a = Request.QueryString("id");
.zSimEOF string b = Request.QueryString("id1");
l1iF}>F2 %BKR} 2.为按钮添加对话框
#h
#mOJ5 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
#1,>Qnl button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
dwf #~7h_ l9ch 3.删除表格选定记录
%0y3 /W int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Ztpm_P6 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
c9cphZ(z YWn6wzu%Vc 4.删除表格记录警告
;#6<bV private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
5qeS|]^` {
>X\s[d&( switch(e.Item.ItemType)
kp<} {
#P,[fgNy case ListItemType.Item :
4Q`=t&u case ListItemType.AlternatingItem :
_nIqy&< case ListItemType.EditItem:
4LB9w21 TableCell myTableCell;
P*"AtZuY] myTableCell = e.Item.Cells[14];
&d|VH y+ LinkButton myDeleteButton ;
EU&3Pdnd myDeleteButton = (LinkButton)myTableCell.Controls[0];
,nu7r1} myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
/Mi-lh^j- break;
GqK&'c default:
tr9_bl&z break;
"DcueU#! }
< 4EB|@E i1_>>49* }
Kj1#R D0E"YEo\nv 5.点击表格行链接另一页
CrwcYzrRWl private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
]`i@~Z h\ {
2'UFHiK //点击表格打开
p*W ZY=Q if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@qr3v>3X< e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
E't G5,/m }
lo]B5_en ~"<VUJ=Ly: 双击表格连接到另一页
[:hy L_zmU_zD 在itemDataBind事件中
coP$7Q . if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
j5VRv$P {
lWyP[>* string OrderItemID =e.item.cells[1].Text;
2I(@aB+ ...
w]5f3CIm e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
MF`k~)bDV }
>.nt'BQ &T{B~i3w8 双击表格打开新一页
R82Zr@_ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
3
Q%k(, {
e5/DCz string OrderItemID =e.item.cells[1].Text;
V]S06>P ...
w2C!>fJ]1 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Mpl,}Q!c }
/CQQ^/ @2Y]p.$q ★特别注意:【?id=】 处不能为 【?id =】
ZX5A%`<M 6.表格超连接列传递参数
Z :i"|; <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
.Zo9^0`C <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
4U y>#IL $j4?'-i=e 7.表格点击改变颜色
5SWX v+ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
CO)b'V, {
]v,y(yl e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
*~oDP@[S this.style.color=’buttontext’;this.style.cursor=’default’;");
-Fw4;&> }
bHo?Rw!. *y\tns U 写在DataGrid的_ItemDataBound里
JjO/u>A3;7 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
kc(b;EA {
-mYI[AG) e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
{arjW3~M: this.style.color=’buttontext’;this.style.cursor=’default’;");
o-i.'L)X e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
%?G.lej,x }
K|J#/ @j8L{FGnN UmI@":|- 8.关于日期格式
96V, [-arf +7vh_ _ 日期格式设定
}lvP|6Y: y DataFormatString="{0:yyyy-MM-dd}"
@_(@s*4W Ko1?jPE 我觉得应该在itembound事件中
T+{'W e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
hB<z]sl C00*X[p 9.获取错误信息并到指定页面
kC#B7*[RM SD.*G'N&2f 不要使用Response.Redirect,而应该使用Server.Transfer
%fSk
"%u%< ]~<T` )Hi e.g
5xV/&N // in global.asax
C5z protected void Application_Error(Object sender, EventArgs e) {
I$qtfGr if (Server.GetLastError() is HttpUnhandledException)
McI4oD~" Server.Transfer("MyErrorPage.aspx");
{]m
e?I -a^sX%|Bl //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
=ir;m }
XV9'[V s#Y7*?Sm 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
CvSG!l.6f< RKZk/ly 10.清空Cookie
8o5^H> Cookie.Expires=[DateTime];
c+M@{EbuN Response.Cookies("UserName").Expires = 0
l|QFNW[i z+B 11.自定义异常处理
G,*
uj0g //自定义异常处理类
K<9MK>T using System;
0`Qs=R`OM using System.Diagnostics;
+fR`@HI J3JRWy@?P namespace MyAppException
iQj{J1V {
jQlK-U=oi /// <summary>
rG%_O$_dO /// 从系统异常类ApplicationException继承的应用程序异常处理类。
{7s zo`U2 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
x@\'@>_GM /// </summary>
5GpKX public class AppException:System.ApplicationException
U`4Zj1y {
_)H+..= public AppException()
cmLu T/oV {
AhZ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
c oz}VMp }
Z#V\[ ng6p#F,3 public AppException(string message)
}XE/5S}D {
Y]Nab0R& LogEvent(message);
PvCE}bY{} }
v2z/|sG 1pr_d"#4 public AppException(string message,Exception innerException)
W n mRRq^ {
qq{N; C LogEvent(message);
qk"=nAJX if (innerException != null)
&otgN<H9 {
i 58CA? LogEvent(innerException.Message);
HpC4$JMm }
+FK<j;}C7 }
} R6h *\+'tFT6 //日志记录类
;lt;]7 using System;
%),O9*[9 using System.Configuration;
pjn%CR`; using System.Diagnostics;
Mo=-P2)>lt using System.IO;
a5S/
O;ry using System.Text;
B{KD ] using System.Threading;
fYPU'"hzG 2|o$eq3t namespace MyEventLog
vw
2@}#\: {
6%y: hLT /// <summary>
q &o=4 /// 事件日志记录类,提供事件日志记录支持
k/Ro74f= /// <remarks>
/;ITnG /// 定义了4个日志记录方法 (error, warning, info, trace)
"Y0[rSz,UW /// </remarks>
Jxp'.oo[ /// </summary>
!XC7FUO public class ApplicationLog
J#WPXE+Ds {
,i.P= o /// <summary>
_kLoDju% /// 将错误信息记录到Win2000/NT事件日志中
C#0Wo /// <param name="message">需要记录的文本信息</param>
'2#fkH[. /// </summary>
sVnuSm public static void WriteError(String message)
# nhAW {
g?M69~G$:x WriteLog(TraceLevel.Error, message);
r!uAofIi_ }
+rX,Sl`/
U#4W"1~iX /// <summary>
xKux5u_ /// 将警告信息记录到Win2000/NT事件日志中
".Ug
A\0 /// <param name="message">需要记录的文本信息</param>
0:8'Ov( /// </summary>
FX 3[U+ public static void WriteWarning(String message)
xI8*sTx
6 {
K;lC# WriteLog(TraceLevel.Warning, message);
m%3Kq%?O }
GTvb^+6 Z&!$G'X /// <summary>
!*-cf$ /// 将提示信息记录到Win2000/NT事件日志中
~h.B\Sc]Q /// <param name="message">需要记录的文本信息</param>
bhYaG i0 /// </summary>
~
$& public static void WriteInfo(String message)
=)bc/309 {
RwKN WriteLog(TraceLevel.Info, message);
Q+dI,5YF }
95&HsgdxJ /// <summary>
']D( ({%g /// 将跟踪信息记录到Win2000/NT事件日志中
de=T7,G# /// <param name="message">需要记录的文本信息</param>
LlqhZetS /// </summary>
.&dcJh*O+ public static void WriteTrace(String message)
p}uw-$O {
(*tJCz`Sj WriteLog(TraceLevel.Verbose, message);
^"- 2fJ }
ma~`&\xE hT#mM*` /// <summary>
H[Cn@XE /// 格式化记录到事件日志的文本信息格式
^Pwq`G A /// <param name="ex">需要格式化的异常对象</param>
VGIc|Q=F /// <param name="catchInfo">异常信息标题字符串.</param>
>MH@FnUL /// <retvalue>
"{lnSLk /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
2XpGgG`2`C /// </retvalue>
*PPFk.#x /// </summary>
1[ Pbsb public static String FormatException(Exception ex, String catchInfo)
Q1yTDJ(2 {
]CYe=m1<2Q StringBuilder strBuilder = new StringBuilder();
Y._AzJ&B[ if (catchInfo != String.Empty)
Rz]bCiD3
B {
-9EbU7>! strBuilder.Append(catchInfo).Append("\r\n");
c,^-nH'X> }
;7hr8?M| strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
jF8ld5|_| return strBuilder.ToString();
}Of^Y@{q. }
=
'[@UVH(Z -6\9B>qa /// <summary>
k,,}N9 /// 实际事件日志写入方法
i%2K%5{)$D /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
|zE7W /// <param name="messageText">要记录的文本.</param>
Pmb`05\ /// </summary>
S"l&=J2dc private static void WriteLog(TraceLevel level, String messageText)
9Wn0YIc {
VM`."un] try
f63q {
|HLh?AcX EventLogEntryType LogEntryType;
C{-pVuhK+ switch (level)
3@PVUJ0B| {
Kt(p| case TraceLevel.Error:
z,WrLZC LogEntryType = EventLogEntryType.Error;
paY%pU break;
@z.!Dby case TraceLevel.Warning:
-}s?!Pg> LogEntryType = EventLogEntryType.Warning;
JYq} YG=% break;
s0CRrMk case TraceLevel.Info:
#<{MtK_ LogEntryType = EventLogEntryType.Information;
p[Es4S}N break;
_"=~aMXC.) case TraceLevel.Verbose:
"$_ypgRrSR LogEntryType = EventLogEntryType.SuccessAudit;
_+i-) break;
l_WY];a default:
BKk*<WMD LogEntryType = EventLogEntryType.SuccessAudit;
tq[C"| dH break;
#@G2n@Hj }
= j - "q8wEu,z[ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
[}D)73h` //写入事件日志
eYFCf; eventLog.WriteEntry(messageText, LogEntryType);
&oBJY'1 N~Gh>{N }
EifYK catch {} //忽略任何异常
We|*s2! }
@Hzsud } //class ApplicationLog
'CvZiW[_r }
Vufw:}i+^ <[Vr(.A 12.Panel 横向滚动,纵向自动扩展
w jF\> <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
@)}U\= HDYf^mcW 13.回车转换成Tab
kI]1J <script language="javascript" for="document" event="onkeydown">
n~LR=o if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
BLRrHaX0 event.keyCode=9;
!u"Hf7/ </script>
tB[K4GNSQ R)v`ZF,/b onkeydown="if(event.keyCode==13) event.keyCode=9"
rqIt}(J V+ Z22 14.DataGrid超级连接列
Uvp?HZ\Z DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
`&o|= GC~::m~ 15.DataGrid行随鼠标变色
=vWnqF: private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=~)n,5 {
shD$,!
k if (e.Item.ItemType!=ListItemType.Header)
|Z<adOg {
*+G K?Ga e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
${?Px
c{- e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
qQb8K+ t }
; -3M }
W $y?~2 aPbHrk*/ 16.模板列
uo0(W3Q * <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
r=vE0;7 <ITEMTEMPLATE>
+CACs7tV <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
,i}"e(f </ITEMTEMPLATE>
Y9Pb </ASP:TEMPLATECOLUMN>
tC;D4i |D\ ukml <ASP:TEMPLATECOLUMN headertext="选中">
8w\&QX <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
4P.ry|2 <ITEMTEMPLATE>
TS-[p d <ASP:CHECKBOX id="chkExport" runat="server" />
(mzyA%;W </ITEMTEMPLATE>
~DSle 3 <EDITITEMTEMPLATE>
2iUF%> <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
@{bf]Oc </EDITITEMTEMPLATE>
,yC~{H </ASP:TEMPLATECOLUMN>
F>&8b^v bn Ruf*aF( 后台代码
4B|f}7%\ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
pG
(8VteH {
?VJ Fp^Ra //改变列的选定,实现全选或全不选。
)TLDNpH?J CheckBox chkExport ;
giPyo"SD if( CheckAll.Checked)
V; ChrmE {
^t| %!r
G foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
_|F h^hq {
^Tl|v'
chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
%T&kK2d; chkExport.Checked = true;
qRr;&M &t_ }
M|\XFO }
qU}[(9~Ru else
g,.iM8 {
wBr0s*1I foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
<fP|<>s$@1 {
J9o]$.e chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/rquI y^ chkExport.Checked = false;
#PiW\Tq }
6pH.sX$!_ }
2nf{2edC }
Y,+$vj:y8 )!0>2,R1 17.数字格式化
U+\\#5$ uG/Zpi 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
S2`p&\Ifn <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Ts.61Rx oRCj]9I$ int i=123456;
XX+4X*(o string s=i.ToString("###,###.00");
^mH^cP?/ \=w|Zeu{l 18.日期格式化
^JH 4:
h rx%lL 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
+] FdgmK: M]oaWQu 显示为: 2004-8-11 19:44:28
wE'~Qj &n['#7 <(! 我只想要:2004-8-11 】
WXJ%bH <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
se_1wCYz 1"i/*}M 应该如何改?
Zb@PwH4 Mq-;sPsFP 【格式化日期】
-c Mqq$ Obbjl@]
取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
%/4ChKf!VR 0PZpE
"$X 【日期的验证表达式】
At"@`1n_u' b8Y-!]F A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
}e1f kjWk ^((\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})))?$
59GS: $~_TE\F1 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
:X+7}!Wlo ^\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]))$
&)1+WrU KZ&{Ya 【大小写转换】
@<h@d_8^k HttpUtility.HtmlEncode(string);
H>2)R7h HttpUtility.HtmlDecode(string)
\\6/" PKmr5FB 19.如何设定全局变量
mkgDg y <&B)i\j8=b Global.asax中
G/b
$cO} Uh{|@D Application_Start()事件中
@?TOg{: {ymD.vf=9+ 添加Application[属性名] = xxx;
K;Fy&p^d L )kwMk 就是你的全局变量
?nE<Aig uq'T:d 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
A3MVNz$wo"
2>p>AvcK HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
JT!-Q!O}O !ouJ3Jn 【ASPNETMENU】点击菜单项弹出新窗口
sZ_+6+ : Ubv<3syR' 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
54v}iG <?xml version="1.0" encoding="GB2312"?>
!2=<MO <MenuData ImagesBaseURL="images/">
p4[cPt ~C <MenuGroup>
F8KSB"!NR <MenuItem Label="内参信息" URL="Infomation.aspx" >
2{(_{9<>z <MenuGroup ID="BBC">
]U82A**n <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
wMr*D['" # <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
4+Wti!s ......
-uX): h! }Dp/K4 最好将你的aspnetmenu升级到1.2版
|<gYzbq 741Sd8 21.读取DataGrid控件TextBox值
M]
7# foreach(DataGrid dgi in yourDataGrid.Items)
/GRkQ", {
WTbq)D(&[_ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
E&9BeU
a# tb.Text....
g{RVxGE7 }
VB o=*gn,$ +K {J*
n 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&Cz!HrS @p"m{ 〖思归〗
},+ &y^ <asp:TemplateColumn HeaderText="数量">
_c,c; <ItemTemplate>
Mh3Tfp <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
sN"<baZ onkeyup="javascript:DoCal()"
l$
^LY)i />
$b OiP B)*?H=f/ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Bq@_/*'*Y </ItemTemplate>
^Y,nv,gYn </asp:TemplateColumn>
W"$sN8K>) +VT/c <asp:TemplateColumn HeaderText="单价">
C%H{" <ItemTemplate>
)B)ecJJ_ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
X;'H@GU0 onkeyup="javascript:DoCal()"
db#svj* />
m) QV2n #g=7fu{n: <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
wwaw|$ h9RL(Kq{ </ItemTemplate>
:J6 xYy$ </asp:TemplateColumn>
$raq,SP %^Zu^uu <asp:TemplateColumn HeaderText="金额">
8}C_/qeM <ItemTemplate>
#83`T&Xw* <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Q,v/]bXd </ItemTemplate>
[]OmztB </asp:TemplateColumn><script language="javascript">
gxPu/VD4 function DoCal()
%[B^b)2 {
/x q^]0xy var e = event.srcElement;
\:y oS>G var row = e.parentNode.parentNode;
QNWGUg4*& var txts = row.all.tags("INPUT");
5Q7Z$A1a
9 if (!txts.length || txts.length < 3)
C8Ja>o2' return;
rel_Z..~ h(C@IIO^;G var q = txts[txts.length-3].value;
]"ou?ot } var p = txts[txts.length-2].value;
s k_TKN`+ y90wLU9f if (isNaN(q) || isNaN(p))
=hY9lxW return;
,i)wS1@ zCji]: q = parseInt(q);
z|bAZKSRYx p = parseFloat(p);
n,D&pl9f g^I?u$&E txts[txts.length-1].value = (q * p).toFixed(2);
hU'h78bt( }
Xrl# DN </script>
L0.F}~S X~g U$ T_)G 5a *(E]]8o )s N}ClgJ 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。
0uL*-/| page_load
>)^Q p- page.smartNavigation=true
cS#yfN, T{:8,CiW 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 ?
U'@#n2p:k private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
#?"^: ,Y {
OMfw# for(int i=0;i<e.Item.Cells.Count-1;i++)
,J(shc_F if(e.Item.ItemType==ListItemType.EditType)
Y6G`p {
3!M|Sf<s e.Item.Cells.Attributes.Add("Width", "80px")
'C7$,H' }
70-nAv }
hh!4DHv <c% 26.对话框
<P~pn!F} private static string ScriptBegin = "<script language=\"JavaScript\">";
vN&(__3(( private static string ScriptEnd = "</script>";
;oCSKY4 |_njN public static void ConfirmMessageBox(string PageTarget,string Content)
+\-cf,WkI {
:'2h0
5R string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
R =kXf/y
YWAH( ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
# Rhtaq9 x7GYWK
9 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
]w0_!Z& ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
[2{2w68D! //Response.Write(strScript);
Gv&%cq1 }
_9yW; i- xc}kDpF=g 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
f|6 Y J\Db8O-/x4 1.1 取当前年月日时分秒
^P|Zze
zwU currentTime=System.DateTime.Now;
}_=h]|6t NY?pvb 1.2 取当前年
'i<%kL@ int 年= DateTime.Now.Year;
&'k:?@J[ ,Cd4Q7T 1.3 取当前月
MzMVs3w| int 月= DateTime.Now.Month;
9zl-C*9vj MbxJ3"@ 1.4 取当前日
$px1D$F ! int 日= DateTime.Now.Day;
_Un*x5u2O ?f= ~Pn+ 1.5 取当前时
CHyT'RT int 时= DateTime.Now.Hour;
v:"Y l}@C'Np 1.6 取当前分
!Qq~lAJO; int 分= DateTime.Now.Minute;
9^7z"*@# 4k!>JQor 1.7 取当前秒
|?v .5|1 int 秒= DateTime.Now.Second;
&D91bT+L cJ\1ndBH 1.8 取当前毫秒
vRb7=fXf int 毫秒= DateTime.Now.Millisecond;
lWDSF]ZYV }Te+Rv7{E 28.自定义分页代码:
'w0?- ASB3|uy _ 先定义变量 :
lS|F&I5j public static int pageCount; //总页面数
{A~3/M%74; public static int curPageIndex=1; //当前页面
(%'`t(< P~84#5R1 下一页:
z))rk vL% if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
N)/7j7c~; {
tzY?LX[3 DataGrid1.CurrentPageIndex += 1;
@1~cPt
curPageIndex+=1;
l{QlJ>%~{; }
BCO (,k dVMLn4[,MA bind(); // DataGrid1数据绑定函数
>>c%Ic (coaGQ@d 上一页:
?rY+,nQP if(DataGrid1.CurrentPageIndex >0)
Gd`s01GKQ {
+TAyCxfmt
DataGrid1.CurrentPageIndex += 1;
]c1#_MW curPageIndex-=1;
kzVK%[/ }
&oE'|^G {113B) bind(); // DataGrid1数据绑定函数
;{Yr| /.(~=6o5 直接页面跳转:
I+QM":2 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
#r,!-;^'p cd`P'GDF if(a<DataGrid1.PageCount)
g 'Wr+(A_ {
Z5g*' this.DataGrid1.CurrentPageIndex=a;
U] P{~ }
<kJ`qbOU |9Y~k,rF bind();
y7,t"XV L#WGOl 29.DataGrid使用:
"EVf1iQ '!`| H 3 添加删除确认:
9rIv-&7'm private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
ixL[(*V {
TEla?N foreach(DataGridItem di in this.DataGrid1.Items)
^x Z=";eq {
Uu|2!}^T if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
4b+_|kYb {
VR'zm\< D ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
e0]#vqdO }
JLjb'Bn }
(,tL(:c }
Xy}>O* b81cq, 样式交替:
(Q.tH ListItemType itemType = e.Item.ItemType;
sX]gL K"!U&`T if (itemType == ListItemType.Item )
t qUBl?i {
Zq'FOzs e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
0d$LUQ't e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
h*Mt{A&'.& }
Ffd4c else if( itemType == ListItemType.AlternatingItem)
w]fVELU {
% .wx]:o e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
)LNKJe+ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
P`S'F_IN }
l3y}nh+ 8 P~V ^Efz{ 添加一个编号列:
J\N&u# DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
&XW~l>!+ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
5=fS^]- F )(rr1^Xer for(int i=0;i<dt.Rows.Count;i++)
^Nt^.xi7 {
w4R~0jXy dt.Rows["number"]=(i+1).ToString();
ti 3S'K0t }
UG vUU<N|N ;&!QN#_ DataGrid1.DataSource=dt;
0b<Qs88yd> DataGrid1.DataBind();
"Xl"H/3r DHbS=Iih DataGrid1中添加一个CheckBox,页面中添加一个全选框
n<F3&2w private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
ItVVI"- {
p<&>1}j= foreach(DataGridItem thisitem in DataGrid1.Items)
(!?%"e {
3HNm`b8G4m ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
4sfq,shRq }
Pb1.X9*8c }
EztuVe k2.\1}\ 将当前页面中DataGrid1显示的数据全部删除
"Z~@"JLb% foreach(DataGridItem thisitem in DataGrid1.Items)
t3*.Bm:^ {
}2^qM^,0 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
We*uZ?+ {
$@w,9J\ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
^E)8Sb9t Del (strloginid); //删除函数
Galh _;= }
m|;gl|dTB }
m8eoD{ =`2jnvx 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)
A'"J'q*t ~Q]/=HK 在Application_Start中添加以下代码:
mE'HRv Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
H_ NoW AppSettings["ConnStr"].ToString();
n0t+xvNDF_ wod(P73? 31. 变量.ToString()
i[wnG ) :f7:@8 字符型转换 转为字符串
I0;gTpt9 12345.ToString("n"); //生成 12,345.00
zm_8{Rta} 12345.ToString("C"); //生成 ¥12,345.00
ZkdSgc') 12345.ToString("e"); //生成 1.234500e+004
>.H}(! 12345.ToString("f4"); //生成 12345.0000
^)'D
eP/ 12345.ToString("x"); //生成 3039 (16进制)
4F<was/ 12345.ToString("p"); //生成 1,234,500.00%
Y=H_U$ .bRtK+}F# 32、变量.Substring(参数1,参数2);
E 0OHl jw/@]f;N 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);
m63>P4h? hpq\ 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)
G @]n(\7Y <SCRIPT language="javascript">
'R#MH <!--
]ki) (Bb function gook(pws)
<e wcWr {
xa967Ki9" frm.submit();
gt=@v()) }
P,7R/-u 5D //-->
jF(R;?, zQ+
%^DT1 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
F3 g$b,RMH <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
K;`W4:, <tr>
-zZb]8\E <td>
yNG|YB; <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
+:/.\3v71 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
P%d3fFzK <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
WDr=+=Zj {cjp8W8hS <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
?B`c<H"
<INPUT id="tem" type="hidden" size="1" value="2" name="tem">
.3wx}!:*| Ci[Ja#p7$h </td>
)EcfEym.> dZddoz_ </tr>
feM( 07\]8^/G </form>
bn=7$Ax y>cT{ )E$ 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。
-vh\XO B->oTC`5 下面是获取用户输入的登陆信息的代码:
@Hr1.f string name;
qZlL6 name=Request.QueryString["EmailName"];
L"uidd0(g e5w0}/yW/ try
[Kb)Q{=) {
%/}d'WJR int a=name.IndexOf("@",0,name.Length);
q6o}2<T@ f_user.Value=name.Substring(0,a);
m6@;!*Y f_domain.Value=name.Substring(a+1,name.Length-(a+1));
\ >#y*W< f_pass.Value=Request.QueryString["Psw"];
Z4{N|h? }
T:!H^ sdKm@p|/| catch
[vnxp/v/< {
|-%dN }O Script.Alert("错误的邮箱!");
yb\!4ml Server.Transfer("index.aspx");
II\}84U2
. }