1. 打开新的窗口并传送参数:
A_2ppEG 8z+ CYeV 传送参数:
N>/U%01a response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
xGA%/dy,; 1.uyu 接收参数:
1*a2s2G
' string a = Request.QueryString("id");
w<'mV^S string b = Request.QueryString("id1");
<"t >!I 'd28YjtoX 2.为按钮添加对话框
rlds-j'' Button1.Attributes.Add("onclick","return confirm(’确认?’)");
/q> ""> button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
@M(vaJB8u ,
w_ Ew 3.删除表格选定记录
";jhj:Xj int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
$`uL^ hlj] string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
`527vK
6 OaEOk57%de 4.删除表格记录警告
D3_,2 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Q=+KnE=h {
<@?bYp switch(e.Item.ItemType)
4Iz~3fqB7 {
E)`+1j case ListItemType.Item :
FuD$jsEw case ListItemType.AlternatingItem :
kweyp IB case ListItemType.EditItem:
{RzlmDStV TableCell myTableCell;
<$UY{"? myTableCell = e.Item.Cells[14];
O|8p # LinkButton myDeleteButton ;
rc"Z$qU? myDeleteButton = (LinkButton)myTableCell.Controls[0];
U#Ud~Q q myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
t]Oxo`h= break;
nTLdknh" default:
+VTMa9d break;
,fL*yn }
IQR?n}ce wc ^z9y }
S3 &L (_d^iZyf 5.点击表格行链接另一页
KF-n_:Bd+ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
E")82I {
GU_R6Wt+ //点击表格打开
-{ZRk[>Z if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
<Q%\pAP}b e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
(pAGS{{ }
lwa Peb;XI 双击表格连接到另一页
IAg#YFI Wz9 }glr 在itemDataBind事件中
*c xYB if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ab6KK$s {
`,xKK+~YG- string OrderItemID =e.item.cells[1].Text;
/S]<MS ...
(A?/D!y e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
)Wgh5C` }
6VIi
nuOW 40mgB4I 双击表格打开新一页
zU]95I if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
U"/":w ~ {
>8EIm string OrderItemID =e.item.cells[1].Text;
yw2sK7 ...
Yf<6[(6 O e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
lLl^2[4k5 }
8M!If NKh 8'=S ★特别注意:【?id=】 处不能为 【?id =】
U@DIO/C,m` 6.表格超连接列传递参数
H htAD Y <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
%I?uO(
@ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
:H3qa2p @=:( b"Sg 7.表格点击改变颜色
V
D-,)f if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
[$f {
Bh<)e5lP: e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
fsb_*sh& this.style.color=’buttontext’;this.style.cursor=’default’;");
r;SA1n# }
d'q,:="c qauk,t 写在DataGrid的_ItemDataBound里
# sm>;+J if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
QF
Vy2 q {
r,a V11{ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
XJ.bK this.style.color=’buttontext’;this.style.cursor=’default’;");
a|{RK}|3 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
^GHA,cSf }
F^z&s]^~ 9F@ Q !3E33 8.关于日期格式
n](Q)h'nlo Jwgd9a5 日期格式设定
6]1cy&SG DataFormatString="{0:yyyy-MM-dd}"
}HRM6fR1S a;8q7nC 我觉得应该在itembound事件中
~{/"fTif e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
r<
sx On |aIY 9.获取错误信息并到指定页面
`2()Vf 73
ix4C 不要使用Response.Redirect,而应该使用Server.Transfer
09HlL=0q AQ7w5}g+V e.g
%dw@;IZ#8{ // in global.asax
fIWOo >)D protected void Application_Error(Object sender, EventArgs e) {
AT+7!UGL if (Server.GetLastError() is HttpUnhandledException)
TldqF BX Server.Transfer("MyErrorPage.aspx");
Q!9AxM2K Myvp PW //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
U8m/L^zh }
W^v3pH-y# \("|X>00 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
C5"=%v[gQv R9xhO! 10.清空Cookie
#0GvL=}k Cookie.Expires=[DateTime];
* `1W}) Response.Cookies("UserName").Expires = 0
/N>f#:} o-H\vtOjE 11.自定义异常处理
INt]OPD //自定义异常处理类
+`'=K ;{U using System;
)\ow/XPE using System.Diagnostics;
|L%}@e
Vw_ `v)
:|Q namespace MyAppException
B ~xT:r {
js^+ {~ /// <summary>
DPqk~ KCM /// 从系统异常类ApplicationException继承的应用程序异常处理类。
RzgA;ZC' /// 自动将异常内容记录到Windows NT/2000的应用程序日志
W:VRLT>w> /// </summary>
3g
ep_aC public class AppException:System.ApplicationException
,aq0Q<}~lc {
^/b3_aM5d public AppException()
'~{bq'7`m {
M ^S <G if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
F5s Pd }
X2\1OWR0 AYb-BaIc public AppException(string message)
a/p}
?!\ {
}JPLhr|d^ LogEvent(message);
gn,D9d+ }
&BxDS
. p$.m=+K~ public AppException(string message,Exception innerException)
_/xA5/V {
RKru
hF LogEvent(message);
:k&R]bc9 if (innerException != null)
5\S
s`#g {
^6g^ Q*" LogEvent(innerException.Message);
.0 }eg$d }
}Y9= 3X }
x6N)T4J( |0^~S //日志记录类
EIdEXAC( using System;
' ?tx?t using System.Configuration;
]40@yrc using System.Diagnostics;
CmP_9M?ce using System.IO;
Q^trKw~XNy using System.Text;
rHngYcjR using System.Threading;
Q> d<4]`
|k,M$@5s namespace MyEventLog
eICavp {
ykMdH: /// <summary>
{mO QRAKl /// 事件日志记录类,提供事件日志记录支持
w{+G/Ea /// <remarks>
}aSTo"~m# /// 定义了4个日志记录方法 (error, warning, info, trace)
[8%R*} /// </remarks>
R^*%yjy9 /// </summary>
g$S|CqRG public class ApplicationLog
sH_B*cr3 {
?2q4dx0 /// <summary>
>8;EeRvI /// 将错误信息记录到Win2000/NT事件日志中
>>nOS] UL /// <param name="message">需要记录的文本信息</param>
Nl$b;~u /// </summary>
!a9`]c public static void WriteError(String message)
CqFk(Td9-D {
+%sMd]$,n WriteLog(TraceLevel.Error, message);
RwyX,| }
CNMcQP VPi*9(LS /// <summary>
&dsXK~9M> /// 将警告信息记录到Win2000/NT事件日志中
xwSi.~. /// <param name="message">需要记录的文本信息</param>
i(O+XQ}Fyx /// </summary>
9Ib#A public static void WriteWarning(String message)
`En>o~ L; {
^7l+ Ofb3 WriteLog(TraceLevel.Warning, message);
z ?L]5m`H }
}ebu@)r "rVf{ /// <summary>
X:2)C-l? /// 将提示信息记录到Win2000/NT事件日志中
&9OnN<mT1 /// <param name="message">需要记录的文本信息</param>
jCp^CNbA /// </summary>
;M<R
e public static void WriteInfo(String message)
3sD/4 ? {
nVyV]'-z WriteLog(TraceLevel.Info, message);
nG4}8 }
,II-:&H /// <summary>
IeN~E'~ /// 将跟踪信息记录到Win2000/NT事件日志中
SX1w5+p$C /// <param name="message">需要记录的文本信息</param>
EBMZ7b-7 /// </summary>
as^!c! public static void WriteTrace(String message)
G0h/]%I {
qw<~v?{|C WriteLog(TraceLevel.Verbose, message);
iy-~CPNB_ }
F a+#bX7 T|^KG<uPV! /// <summary>
R1?LB"aN /// 格式化记录到事件日志的文本信息格式
HRg< f= oz /// <param name="ex">需要格式化的异常对象</param>
e|
Sw+fhy< /// <param name="catchInfo">异常信息标题字符串.</param>
+yd{-iH /// <retvalue>
B`w@Xk'D /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
pq +~| /// </retvalue>
>(He,o@M /// </summary>
i87+9X
public static String FormatException(Exception ex, String catchInfo)
W&=F<n` {
ab8F\%y-8 StringBuilder strBuilder = new StringBuilder();
;d<RPVE: if (catchInfo != String.Empty)
sjj,q? {
d$5\{YLy strBuilder.Append(catchInfo).Append("\r\n");
jI!WE$dt }
}AGdWt@ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
/NB;eV? return strBuilder.ToString();
ZTzh[2u* }
y^}00Z+l 7El :$H /// <summary>
v5A8"&Jr /// 实际事件日志写入方法
7N8a48$8 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
D`
a bVf /// <param name="messageText">要记录的文本.</param>
,V`[;~49 /// </summary>
G[lNgVbU@ private static void WriteLog(TraceLevel level, String messageText)
C^ 1;r9 {
<IwfiI3y try
%Z-B{I( {
=bh.V@* EventLogEntryType LogEntryType;
~]78R!HJ switch (level)
<G60R^o {
DAVgP7h' case TraceLevel.Error:
QHPC?a6CD LogEntryType = EventLogEntryType.Error;
wS;hC&~2 break;
Bhf4 /$ case TraceLevel.Warning:
^GC 8^f LogEntryType = EventLogEntryType.Warning;
s)5W:`MH? break;
uePa4e! case TraceLevel.Info:
+
0 |d2_]E LogEntryType = EventLogEntryType.Information;
a&C}'e" break;
&O\$=&, h case TraceLevel.Verbose:
Al^h^ 9tJ LogEntryType = EventLogEntryType.SuccessAudit;
h
e1= break;
\(;X3h default:
9-hVlQ~| LogEntryType = EventLogEntryType.SuccessAudit;
!g7bkA break;
0oPcZ""X] }
Z"5ewU<? &Ef_p-e-P EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
#G\;)pT //写入事件日志
Np2.X+ eventLog.WriteEntry(messageText, LogEntryType);
l~'NqmXe cIOM}/gqv }
Rd:wMy$ catch {} //忽略任何异常
Dl=qss~g+ }
9 #)& } //class ApplicationLog
7thB1cOJ }
2[~|6@n \{{i:&] H 12.Panel 横向滚动,纵向自动扩展
2>'/!/+R <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
p -wEPC0 BkJNu_{m? 13.回车转换成Tab
0Q5fX} <script language="javascript" for="document" event="onkeydown">
SwdUElEp if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Av,E|C event.keyCode=9;
UlH;0P? </script>
+&qj`hA-b o 4cqLMu onkeydown="if(event.keyCode==13) event.keyCode=9"
>Ni<itze$i g/BlTi 14.DataGrid超级连接列
_28vf Bl? DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
>*e,+ok %Kc 2n9W 15.DataGrid行随鼠标变色
{i| $^A3 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
b$/'dnx {
<}t<A if (e.Item.ItemType!=ListItemType.Header)
H-'~c\) {
@ZtDjxN
& e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
#n6<jF1G e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
gF8n{b }
<Kt;uu> }
a6 epew!2 gFAtIx4 16.模板列
+@jX| <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
sY@x(qkIOc <ITEMTEMPLATE>
b5Vn _;V* <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
HN~ </ITEMTEMPLATE>
&'A8R;b}-? </ASP:TEMPLATECOLUMN>
+X4/l"| v|#}LQZ <ASP:TEMPLATECOLUMN headertext="选中">
Ika(ip#]= <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
!F[^?:pK <ITEMTEMPLATE>
Yxd&hr <ASP:CHECKBOX id="chkExport" runat="server" />
6R';[um?q </ITEMTEMPLATE>
d'*:2;)g^ <EDITITEMTEMPLATE>
(f>~+-IL <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
qb?9i-( </EDITITEMTEMPLATE>
rBrJTF:. </ASP:TEMPLATECOLUMN>
d,*#yzO zqs|~W]c 后台代码
25m!Bf protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
> ?<C+ZHh {
WJF#+)P:Y //改变列的选定,实现全选或全不选。
k+`e0Jago CheckBox chkExport ;
yp\sJc` if( CheckAll.Checked)
CI~ll=9` {
WbH#@]+DN foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#b5V/)K {
~E*`+kD chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
,{VC(/d chkExport.Checked = true;
T Z_](% }
Gk2R:\/Y }
_NkbB"+L else
VmTPE5d {
61=D&lb foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
-1 <*mbb0 {
6y}|IhX?z chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
7<7
/NZ<I chkExport.Checked = false;
3PgiV%] }
zD%@3NA41 }
HL34pmc }
CH4 ~9mmE Y!nxHRE 17.数字格式化
! C|VX,w |Y|g T*v 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
lCC(N?%Q <%#Container.DataItem("price","{0:¥#,##0.00}")%>
|}KNtIX\G C,#FH} int i=123456;
X0e#w? string s=i.ToString("###,###.00");
?/ Cl |)+;d 18.日期格式化
N;.}g*_+} i{5,mS& 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
|A% Jx__ 'v:%} qMv 显示为: 2004-8-11 19:44:28
9e>Dqlv p`}'-A|@ 我只想要:2004-8-11 】
+ew9%={zB <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
Ql.abU |)WN%#v 应该如何改?
XLxr@1 xv:VW< 【格式化日期】
VdetY\ WPu{
]<pl 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
)[d>?%vfd "l.1 UB& 【日期的验证表达式】
41Htsj mZ^ev; A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
WZ]f \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})))?$
Vi o ~2 qmWn$,ax B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
NQ"`F,T ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
@$ggPrs AHl1{*
[ 【大小写转换】
[d}AlG! HttpUtility.HtmlEncode(string);
(M,IgSn9 HttpUtility.HtmlDecode(string)
F|3iKK022 F,'rW:{HMt 19.如何设定全局变量
[9>h! khs Od5I:p]N Global.asax中
/n&Y6@W /yn%0Wish Application_Start()事件中
xhmrep6+< _)6 N&u8 添加Application[属性名] = xxx;
{
i2QLS L}x,>hbT 就是你的全局变量
Fy8$'oc #FQkwX'g 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
!.}ZlA n%Df6zQ<@s HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
SB#Y^! ;LjTsF' 【ASPNETMENU】点击菜单项弹出新窗口
eK=<a<tx *sbZ{{]e 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
;%_s4 <?xml version="1.0" encoding="GB2312"?>
F:B8J4/ <MenuData ImagesBaseURL="images/">
P/hV{@x <MenuGroup>
-=)Al^V4T <MenuItem Label="内参信息" URL="Infomation.aspx" >
XwNJHOaF <MenuGroup ID="BBC">
5B76D12 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
C~:@ETcbil <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
DtrR< &m ......
cEc_S42Z LqA&@ 最好将你的aspnetmenu升级到1.2版
\)'o{l& +dgHl_,i 21.读取DataGrid控件TextBox值
W-UMX',0zS foreach(DataGrid dgi in yourDataGrid.Items)
0/@ ^He8l {
zXRq) ;s TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
pi|P&?yw tb.Text....
FC BsC# }
o<Z G!L(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?
Tb@r@j:V IqW4Q1>f 〖思归〗
*~>}* <asp:TemplateColumn HeaderText="数量">
Ub_!~tb}? <ItemTemplate>
].e4a;pt <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
A)j',jE&1 onkeyup="javascript:DoCal()"
8uZM%7kI6+ />
fKYR DGn _b)=ERBbCo <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
*`g'*R </ItemTemplate>
l1?$quM^V </asp:TemplateColumn>
`{GI^kgJ9 ^KRe( <asp:TemplateColumn HeaderText="单价">
_9<nM48+t <ItemTemplate>
2b i:Q9 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Q2(K+!Oe onkeyup="javascript:DoCal()"
^/V>^9CZ />
!`h^S)$ >nqCUhS <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
iS]4F_|vd |DBj<|SX </ItemTemplate>
9N@m><N84 </asp:TemplateColumn>
<Mq vGXI 2^;zj0]Rt <asp:TemplateColumn HeaderText="金额">
V }?MP-.c <ItemTemplate>
rTmVHt <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
r|,_qNrw </ItemTemplate>
dvX[,*wz </asp:TemplateColumn><script language="javascript">
I)YUGA5 function DoCal()
yPXa {
c`E0sgp var e = event.srcElement;
YQ7\99tj var row = e.parentNode.parentNode;
P]mJ01@' var txts = row.all.tags("INPUT");
r\."=l if (!txts.length || txts.length < 3)
ZCC T return;
t|jp]Vp jo}yeGbU var q = txts[txts.length-3].value;
z?I"[M var p = txts[txts.length-2].value;
+~[>Usf 3Ud{W$Ym if (isNaN(q) || isNaN(p))
dWK"Tkf\ return;
!-cK@>.pE GVK c4HGt q = parseInt(q);
1&.q#,EMn( p = parseFloat(p);
$c0<I59&| N7 ox#=g txts[txts.length-1].value = (q * p).toFixed(2);
hC
D6 }
,%X"Caz </script>
LuE0Hb"S8 9
7U a, #M5pQ&yZy kIwq%c; &ra2(S45 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
F>lM[Lu# page_load
:6[G;F7s page.smartNavigation=true
9pMXjsE pAtt=R,Ht 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
]*]#I?&'Hx private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
=!N,{V_ {
"969F(S$ for(int i=0;i<e.Item.Cells.Count-1;i++)
Z(Z$>P&4 if(e.Item.ItemType==ListItemType.EditType)
>.1d1#+b {
mTU[khEmL= e.Item.Cells.Attributes.Add("Width", "80px")
e,DRQ2AU }
zb,YYE1 }
nIEIb.- GvTA/zA 26.对话框
qF3s&WI private static string ScriptBegin = "<script language=\"JavaScript\">";
wvcj*{7[ private static string ScriptEnd = "</script>";
>Hwf/Gf[ Z/e^G f#i public static void ConfirmMessageBox(string PageTarget,string Content)
%$6?em_ {
u/.# zn@9h string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
ZU68\cL 8O| w(z ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
=v(&qh9Q2 HXb^K Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
JE_GWgwdv ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
aHkt K/ //Response.Write(strScript);
-,qGEJ }
b`fWT:?= ys- w0H 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
">v-CSHY o\N^Uu 1.1 取当前年月日时分秒
Egi(z9|Pp currentTime=System.DateTime.Now;
9ePR6WS4 r*kz`cJ 1.2 取当前年
^~kfo| int 年= DateTime.Now.Year;
9|l6.$Me/ d04fj/B
1.3 取当前月
UWW'[gEP1 int 月= DateTime.Now.Month;
;-quK%VO! Z\S'HNU 1.4 取当前日
#Fckev4 int 日= DateTime.Now.Day;
B,4
3b O ,E&W{b 1.5 取当前时
Q;k
D Jo int 时= DateTime.Now.Hour;
@g]>D S76xEL 1.6 取当前分
$VJE&b int 分= DateTime.Now.Minute;
"\O{!Hj8 J?/NJ-F 1.7 取当前秒
nkkUby9 int 秒= DateTime.Now.Second;
c?}{>ig/) ZK`x(h{p) 1.8 取当前毫秒
h3(B7n7 int 毫秒= DateTime.Now.Millisecond;
1[]V @P^ ]T>|Y0 | 28.自定义分页代码:
c|F2 6$rv :Tdl84 先定义变量 :
,!bcm public static int pageCount; //总页面数
o@qI!?p& public static int curPageIndex=1; //当前页面
`^:
v+! F>
b<t.yV 下一页:
g+QNIM> if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
J:dNV<A^ {
b8h6fB:2 DataGrid1.CurrentPageIndex += 1;
~EO=;a_ curPageIndex+=1;
ge[&og/$ }
97n,^t2F\ <ahcE1h bind(); // DataGrid1数据绑定函数
ZW ZKy JQ ^)1!TewCY 上一页:
h{CMPJjD if(DataGrid1.CurrentPageIndex >0)
8nTdZu {
)AXa.y DataGrid1.CurrentPageIndex += 1;
2$O6%0 curPageIndex-=1;
:9W)CwZ)V }
W:1GY#Pe Z9UNp[0 bind(); // DataGrid1数据绑定函数
eo<=Q|nI& GC)xQZU)s 直接页面跳转:
P`y 0FKS int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
I{7Hz{ 4~e6z( if(a<DataGrid1.PageCount)
gx=2]~O1( {
NBO&VYs| this.DataGrid1.CurrentPageIndex=a;
eXCH*vZY }
bdyIt)tK+ @\Yu?_a bind();
XB+Juk&d V]|P>>`v9p 29.DataGrid使用:
(@cZmU, +f\r?8s 添加删除确认:
j12khp? private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Wa'm]J {
r~sQdf foreach(DataGridItem di in this.DataGrid1.Items)
!;B^\
8{ {
KTjf2/ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
_;u@xl= {
vLQh r&I ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
0[!38 }
ZZU"Q7`^ }
jHpFl4VPz }
IfpFsq: K ZQ
` 样式交替:
?OdJt ListItemType itemType = e.Item.ItemType;
fMIKA72>{ r8vF I6J if (itemType == ListItemType.Item )
bS*oFm@u {
/;xmM2B' e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
T^.W' e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
`YPNVm<3) }
A!p70km2 else if( itemType == ListItemType.AlternatingItem)
Y?V>%eBu {
]F1ZeAh5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
>@StKj e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
X]v.Yk=wu }
=@go;," ;T?4=15c 添加一个编号列:
I~NQt^sg DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
3&7$N#v DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
nnBl:p>< k 7V KTI:5y for(int i=0;i<dt.Rows.Count;i++)
Oz7WtN {
NTL`9b dt.Rows["number"]=(i+1).ToString();
(ZHEPN }
s9b 6l,Z (f?&zQ!+ DataGrid1.DataSource=dt;
L\y>WR%s DataGrid1.DataBind();
B!+`km5 3bPF+(`J DataGrid1中添加一个CheckBox,页面中添加一个全选框
$_NP4V8|z/ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
.+Fh,bNYK {
mLL?n) foreach(DataGridItem thisitem in DataGrid1.Items)
+)l6%QKcW {
oN
" /w~ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
pm}!?TL }
j?'It`s }
Z}4
`y"By 4O** %!| 将当前页面中DataGrid1显示的数据全部删除
[G[|auKF foreach(DataGridItem thisitem in DataGrid1.Items)
XhxCOpO {
ay,E!G&H if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
$r87]y! {
E0a &1j string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
=)9@rV&~ Del (strloginid); //删除函数
1b-_![&]1 }
h?ZxS }
x"QZ}28(t FZ^j|2.L* 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
%{ToWLb{I C"!k`i=Lj 在Application_Start中添加以下代码:
ds" q1 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
sZ9VXnz24 AppSettings["ConnStr"].ToString();
oN6X]T<
M;K%=l$NG 31. 变量.ToString()
fG*366W m6oaO9"K 字符型转换 转为字符串
l gzA) ( 12345.ToString("n"); //生成 12,345.00
p2:>m\ 12345.ToString("C"); //生成 ¥12,345.00
27-GfC=7* 12345.ToString("e"); //生成 1.234500e+004
^E(:nxQ6s 12345.ToString("f4"); //生成 12345.0000
Yx{q VU 12345.ToString("x"); //生成 3039 (16进制)
Kt3]r:&J 12345.ToString("p"); //生成 1,234,500.00%
BNe6q[ )W~ {*J{1)2 32、变量.Substring(参数1,参数2);
D!d1%hac 2[qlEtvQ 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);
+*aZ9g /"%(i#<)xs 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)
"`4V^1 <SCRIPT language="javascript">
uWE
:3 <!--
}L.&@P< function gook(pws)
*c6o#[l {
eAD uk!Iq frm.submit();
5g(`U+,*( }
7r4|>F //-->
rr=e pZg}7F{$ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
-@EAL:kY <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
=~f\m:Y <tr>
$06[D91' <td>
%}=:gF <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
_pS|bqF <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
W dNOE;R <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
wfXm(RYM "bC1dl< <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
[R~`6 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
F$k^px Ghb Jty` </td>
<)dHe: U$,W/G}m </tr>
6*\WH% p2/Pj)2 </form>
<_N<L\ WQ1~9# 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。
aF41?.s RMvq\J}w! 下面是获取用户输入的登陆信息的代码:
^L@2%}6b` string name;
f6r~Ycf,f name=Request.QueryString["EmailName"];
.*(xkJI3 BHZCM^ try
hE|W%~Jx {
y`|86`
Y int a=name.IndexOf("@",0,name.Length);
&x YO6_. f_user.Value=name.Substring(0,a);
[PW\l+i f_domain.Value=name.Substring(a+1,name.Length-(a+1));
?~p]Ey}~9 f_pass.Value=Request.QueryString["Psw"];
NlG~{rfI }
+M=`3jioL O DO'!T- catch
D,l&^diz {
'=X)0GG Script.Alert("错误的邮箱!");
h/*q +H Server.Transfer("index.aspx");
,|RN?1 ?U }