1. 打开新的窗口并传送参数:
kkOjAp{<t j*~z.Q | 传送参数:
*8/cd0 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
0}e&ONDQ r
jnf30 接收参数:
)Q<u0AxAn string a = Request.QueryString("id");
gRw? <U^ string b = Request.QueryString("id1");
#wGOlW;R [t*-s1cq 2.为按钮添加对话框
@# .a5 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
roIc1Ax: button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
a,:Nlr3 bkm:#K 3.删除表格选定记录
51;Bc[)% int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
eMP0BS" string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Bi0&F1ZC! v5FfxDvw 4.删除表格记录警告
mAe)Hy % private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
1R]h>' {
q 1A0-W#4 switch(e.Item.ItemType)
"rrE_ {
iE]^6i case ListItemType.Item :
I@1VX5 case ListItemType.AlternatingItem :
:Yi 4Ia case ListItemType.EditItem:
"msPH<D TableCell myTableCell;
w-Q=oEt myTableCell = e.Item.Cells[14];
R78P](1\> LinkButton myDeleteButton ;
!OOOc myDeleteButton = (LinkButton)myTableCell.Controls[0];
/~g.j1 g myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
d:hX3 break;
+('=RyoT default:
J|8 u break;
JK'tdvs~ }
D&6.> wt
. #* 8^ar< }
kcP&'' .|y{1?f_ 5.点击表格行链接另一页
/f>I;z1 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;v~xL!uQ {
SPINV. //点击表格打开
cdg&) if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
b\xse2# e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
b^<7@tY }
J& D0,cuk j^Ln\N]^ 双击表格连接到另一页
iUS?xKN$~- F[X;A\ 在itemDataBind事件中
ALKzR433/ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
c}2"X, {
)2F%^<gZ# string OrderItemID =e.item.cells[1].Text;
hM8FN ...
HZ89x|Hk_ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ZRUI';5x }
Pj7MR/AH ]w!=1( 双击表格打开新一页
mvyOwM if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sw,p6T[ {
FuP~_ E~ string OrderItemID =e.item.cells[1].Text;
= Fwzm^}6 ...
$-n_$jLY e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
jZ?^ |1 }
UFj/Y; $o*p#LU ★特别注意:【?id=】 处不能为 【?id =】
|YrvY1d! 6.表格超连接列传递参数
jG,^~5x <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
K` <`l <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
vARZwIu^D XE;aJ'kt 7.表格点击改变颜色
'~pZj"uy if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
^!K 8nW{* {
(U*Zz+ R e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
J*qo3aJjE this.style.color=’buttontext’;this.style.cursor=’default’;");
/ KKA/ }
A$]#f Hnbd<?y
写在DataGrid的_ItemDataBound里
B(pHo&ox
if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
U> {CG+X {
31mlnDif e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
rmdG"s this.style.color=’buttontext’;this.style.cursor=’default’;");
DE$T1pFV e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
N||s# }
[Ib17#74 u6/;=]0
0Pg@%>yb~ 8.关于日期格式
:LD+B1$y ^bXCYkx 日期格式设定
R-\"^BV#Z DataFormatString="{0:yyyy-MM-dd}"
SXmh@a"*\ K(}<L-cv 我觉得应该在itembound事件中
ns&(g^ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
^I!gteU; t\lx*_lr 9.获取错误信息并到指定页面
7 '7a`-W RH;Kbu 不要使用Response.Redirect,而应该使用Server.Transfer
Cta!"=\ D o!]t7Y$ e.g
Q8bn|#` // in global.asax
6hqqZ protected void Application_Error(Object sender, EventArgs e) {
T!Uf
PfEI if (Server.GetLastError() is HttpUnhandledException)
%* @hS` Server.Transfer("MyErrorPage.aspx");
p;{w0uld" P/8z //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
SSr2K }
15!b]': `wNJ*` 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
i$4lBy_2 q<A,S8'm 10.清空Cookie
7x`4P|Uu Cookie.Expires=[DateTime];
"'6R|<u=: Response.Cookies("UserName").Expires = 0
2$oGy CIf""gL9 11.自定义异常处理
Xd9<`gu //自定义异常处理类
W7
9.,# using System;
Bqb3[^;~ using System.Diagnostics;
z';h5GNd>z $dHD namespace MyAppException
w7_2JS {
)"y]_} /// <summary>
+F6R@@rWr /// 从系统异常类ApplicationException继承的应用程序异常处理类。
A*3R@G*h /// 自动将异常内容记录到Windows NT/2000的应用程序日志
8hvh
xp /// </summary>
X[o"9O|< public class AppException:System.ApplicationException
ps=QVX)YP {
g?!;04 public AppException()
7R".$ p {
C,3yu,' if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
u9dL-Nr` }
JPS<e*5 \ffU15@N public AppException(string message)
|-VbJd {
*wJ'Z4_5F LogEvent(message);
|c!lZo/ }
7.xJ:r| R)qK{wq(1E public AppException(string message,Exception innerException)
DZ0\pp?S {
Jf8AKj3 LogEvent(message);
tD}HL_ if (innerException != null)
8__C T {
4$b9<:M_ LogEvent(innerException.Message);
.@]M'S^1 }
^b(>Bg)T }
}@wXm IctLhYZ //日志记录类
]lzOz<0q using System;
Z(fhH..T` using System.Configuration;
8^dsx1U# using System.Diagnostics;
z50f$!? using System.IO;
*g/@-6 using System.Text;
2E}^'o using System.Threading;
VEg/x z4c @5(HRd namespace MyEventLog
`pd1'5Hm {
;V3d"@R, /// <summary>
`o!a
RX /// 事件日志记录类,提供事件日志记录支持
+)K yG /// <remarks>
1Du9N[2'P /// 定义了4个日志记录方法 (error, warning, info, trace)
b1qli5 /// </remarks>
zs@[!?A, /// </summary>
&g-uQBQI# public class ApplicationLog
L\asrdL?= {
"n=Ih_J /// <summary>
q CB9z /// 将错误信息记录到Win2000/NT事件日志中
mPo] .z /// <param name="message">需要记录的文本信息</param>
_a=f.I /// </summary>
\78kShx public static void WriteError(String message)
T?E[LzZg {
y7#4Mcc`~ WriteLog(TraceLevel.Error, message);
a'ODm6# }
I UxsvW+ b(H)8#C /// <summary>
q! U'DDEP /// 将警告信息记录到Win2000/NT事件日志中
7?JcB?G4 /// <param name="message">需要记录的文本信息</param>
}D eW2Jp /// </summary>
j>OB<4?.+ public static void WriteWarning(String message)
/I&b5Vp {
=Z(#j5TGvH WriteLog(TraceLevel.Warning, message);
Bh,LJawE }
tC -H2@ +bK.{1 /// <summary>
lb('=]3
}H /// 将提示信息记录到Win2000/NT事件日志中
i<Be)Y-' /// <param name="message">需要记录的文本信息</param>
T"m(V/L$W /// </summary>
F I\V6\B/ public static void WriteInfo(String message)
VG`A* Vj
{
>zDnJb&"& WriteLog(TraceLevel.Info, message);
tY=n("=2 }
SbW6O_ /// <summary>
?V&[U /// 将跟踪信息记录到Win2000/NT事件日志中
d\ Z#XzI8 /// <param name="message">需要记录的文本信息</param>
&Wup
7 /// </summary>
ZVek`Cc2 public static void WriteTrace(String message)
dO[w3\~ {
lC i_G3C WriteLog(TraceLevel.Verbose, message);
oFRb+H(E }
+iPS=?S ~ Qt$) /// <summary>
=`]yq;(C7j /// 格式化记录到事件日志的文本信息格式
cAc i2e /// <param name="ex">需要格式化的异常对象</param>
~L'}!'
&. /// <param name="catchInfo">异常信息标题字符串.</param>
v+*l|!v /// <retvalue>
}`9}Q
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>
r8~U@$BBK /// </retvalue>
qlg~W/ /// </summary>
{9Op{bZ public static String FormatException(Exception ex, String catchInfo)
:I }_ {
f6P5J|' StringBuilder strBuilder = new StringBuilder();
g3%t+>$* if (catchInfo != String.Empty)
^MWfFpJV!] {
}f6x> strBuilder.Append(catchInfo).Append("\r\n");
1v&!`^G99j }
k|7XC@i]% strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
'm=9&?0S return strBuilder.ToString();
r8M/E
lbk }
$*H>n!& LHWh-h(s /// <summary>
A4?_0:< /// 实际事件日志写入方法
&~Q ?k /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
JPk3T.qp /// <param name="messageText">要记录的文本.</param>
C6eo n4Ut /// </summary>
.0q %A1H private static void WriteLog(TraceLevel level, String messageText)
[J+K4o8L<A {
"t"=9:_t try
L$x/T3@ {
`#X{. EventLogEntryType LogEntryType;
";e0-t6: switch (level)
$sO}l {
c"J(? 1O case TraceLevel.Error:
%;PPu$8K9 LogEntryType = EventLogEntryType.Error;
W3K"5E0ck break;
YAZ=-@]`\ case TraceLevel.Warning:
bct&ge7YX LogEntryType = EventLogEntryType.Warning;
[M2,bc8SJV break;
p$@=N6)I.k case TraceLevel.Info:
GKPqBi[rO LogEntryType = EventLogEntryType.Information;
_wf"E(c3D break;
9bXU!l[ case TraceLevel.Verbose:
}~-)31e'` LogEntryType = EventLogEntryType.SuccessAudit;
\'"q6y break;
-zz9k=q default:
][bz5aV LogEntryType = EventLogEntryType.SuccessAudit;
_ #l b\ break;
Xb3vvHdI }
eeb8v:4 #
dxlU/* EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
g m], //写入事件日志
s:cS 9A8 eventLog.WriteEntry(messageText, LogEntryType);
0tB9X9 :, Zk}e?Grc }
:"O=/p+*Us catch {} //忽略任何异常
,^o^@SI)
}
mXF
pGo5 s } //class ApplicationLog
<z)MV
oa }
b)w3
G%Xx k=bv!T_o 12.Panel 横向滚动,纵向自动扩展
VV]{R' <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
4'9h^C& sS(^7GARa 13.回车转换成Tab
=GM!M@~,Ab <script language="javascript" for="document" event="onkeydown">
HA"dw2| if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
xYt{= event.keyCode=9;
N M~e </script>
*vsOL4I% B?Y%y@. onkeydown="if(event.keyCode==13) event.keyCode=9"
p|Rxy"} P!YT{} 14.DataGrid超级连接列
G';oM;~/| DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9i|6 0#*\o1r\p 15.DataGrid行随鼠标变色
'}4[m>/ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2#W%-- {
Z{_'V+Q1 if (e.Item.ItemType!=ListItemType.Header)
Qn%*kU0X {
5I(`
s#O e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
)_2!1 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
'A8T.BU }
Cfz1\a&V{ }
]\r~"*TZ 9y]$c1 16.模板列
!8=uBS% <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
x|<|eRYK <ITEMTEMPLATE>
&|E2L1 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
{/0,lic </ITEMTEMPLATE>
vW)GUAF[ </ASP:TEMPLATECOLUMN>
6u:5]e8 oS,<2Z <ASP:TEMPLATECOLUMN headertext="选中">
,}FYY66K <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
NKd@Kp`, <ITEMTEMPLATE>
7 cIVK}& <ASP:CHECKBOX id="chkExport" runat="server" />
)s=z i" </ITEMTEMPLATE>
tfv]AC7x <EDITITEMTEMPLATE>
B4|%E$1+ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
&
bw1 </EDITITEMTEMPLATE>
s:]rL&| </ASP:TEMPLATECOLUMN>
H#Og0gEE}5 V">Uh@[J_ 后台代码
`XWxC:j3% protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
bh7 1Zu {
& vLX //改变列的选定,实现全选或全不选。
3?5
~KxOE( CheckBox chkExport ;
(J^
Tss if( CheckAll.Checked)
":-)mfgGU {
A<.Q&4jb foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#sqDZ]\B {
M;43F* chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
9I.v?Tap chkExport.Checked = true;
.cZ&~ N }
;_Rx|~!! }
1@nR.v"$ else
x6) {
RXWjFv~/ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
e&0B4wVAQ {
zw5~|< chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ap6Vmp chkExport.Checked = false;
fnmZJJ,Q }
LiB0]+wzj }
m1[QD26 }
T:!sfhrZ~< ,<vrDHR 17.数字格式化
"]N QTUb; BklB3*n 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
E$ngmm[ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
g3Xz- <hK$Cf_ int i=123456;
PO%]Jme string s=i.ToString("###,###.00");
I8Zp#'|U QKP9*dz
18.日期格式化
k=~?!+p7 \W(p )M 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
pKH4?F \
qs6% 显示为: 2004-8-11 19:44:28
W#lvH=y hr{%'DAS 我只想要:2004-8-11 】
-91l"sI <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
y2qESAZ%k} SY$%!!
@R 应该如何改?
Czci6Lz Sm Ei _u]' 【格式化日期】
H_AV 3
; O\D({> 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
<7jb4n< Z956S$gS 【日期的验证表达式】
Qrt8O7&(' 7K;dVB A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
/ P:Hfq ^((\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})))?$
MV/~Rmd. cUm9s>^)/ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
7GIv3Dc ^\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]))$
K4F!?# ~lF lv+,% 【大小写转换】
&
9]KkY= HttpUtility.HtmlEncode(string);
t~a$|(
9 HttpUtility.HtmlDecode(string)
.y0](
h %zelpBu+ 19.如何设定全局变量
fgp7 |;Y qA~D*= Global.asax中
ILO+=xU SQ
Fey~ Application_Start()事件中
n47=eKd70 v]BQIE?R / 添加Application[属性名] = xxx;
JyqFFZ& jo |q,t 就是你的全局变量
aW6+Up+G* :U:7iP: 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
z\E"={P& \=@r1[d HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
RYV6hp)| ,|4Ye 【ASPNETMENU】点击菜单项弹出新窗口
wU ; f 1 IlR 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
O\LW
8\M <?xml version="1.0" encoding="GB2312"?>
=k*0O_ <MenuData ImagesBaseURL="images/">
&S3W/lQs <MenuGroup>
|O)deiJRy <MenuItem Label="内参信息" URL="Infomation.aspx" >
%'t~e?d! <MenuGroup ID="BBC">
<bx9;1C>zd <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
<?zTnue <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
h/fCCfO, ......
kr*c?^b QB.'8B_ 最好将你的aspnetmenu升级到1.2版
{''|iwLr vaf9b}FL 21.读取DataGrid控件TextBox值
YT5>pM-% foreach(DataGrid dgi in yourDataGrid.Items)
4'd{H
Rs {
#LN
I&5 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
\i,cL)HM tb.Text....
rq1kj 8%2 }
%)/f; T6 ).]m@g:ew 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
{\aSEE/' +_gT|vlU 〖思归〗
S[a5k;8GL <asp:TemplateColumn HeaderText="数量">
O|>1~^w <ItemTemplate>
#c^Q<&B <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
[;=WnG onkeyup="javascript:DoCal()"
Y1 P[^ws />
|g7h#F~ i)2))C <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
~^^ey17 </ItemTemplate>
[\b_+s)eN </asp:TemplateColumn>
/SXz_e qp W#!Vbx <asp:TemplateColumn HeaderText="单价">
2ZO'X9 <ItemTemplate>
j>o +}p?3I <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
bJ|?5 onkeyup="javascript:DoCal()"
=GQ^uVf1 />
y^AA#kk '!-? <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
fl"y@;;#h 9 <KtI7 </ItemTemplate>
x
ctU.)p </asp:TemplateColumn>
Idlu1g |sFe:TX <asp:TemplateColumn HeaderText="金额">
|nEVOy>' <ItemTemplate>
s\W <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
M?B(<j1Ri </ItemTemplate>
IMGqJc,7 </asp:TemplateColumn><script language="javascript">
~B&*7Q7 function DoCal()
pIu H*4Vz {
uit-Q5@~ var e = event.srcElement;
UNQRtR/ var row = e.parentNode.parentNode;
X[Ek'=} var txts = row.all.tags("INPUT");
=4e=wAO(i if (!txts.length || txts.length < 3)
p{a]pG+3 return;
Ys$YI{ v1C.\fL var q = txts[txts.length-3].value;
Tq84Fn!HJ> var p = txts[txts.length-2].value;
T'M66kg /Tj"Fl\h if (isNaN(q) || isNaN(p))
RW7oL:$dt return;
c[ony:6 =$8@JF' q = parseInt(q);
[S]!+YBK p = parseFloat(p);
d=Do@)
m| cIr1"5POXK txts[txts.length-1].value = (q * p).toFixed(2);
wz+5
8( }
d_C4B </script>
t;!]z-Y> h)_Gxe"x sJb)HQ,7x DAnb.0 [tqO}D 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。
jRG\C=&(x page_load
$W$# CTM page.smartNavigation=true
ZB[(Tv1 T@|l@xm~L 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 ?
9>Uq$B private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
(s"iC:D6U {
C6d]tLE for(int i=0;i<e.Item.Cells.Count-1;i++)
'yd@GQM& if(e.Item.ItemType==ListItemType.EditType)
90T%T2K {
yIIETE e.Item.Cells.Attributes.Add("Width", "80px")
oM<!I0"gC+ }
Q)S>VDLA }
irsfJUr[V _;:rkC fj 26.对话框
8rwYNb.P private static string ScriptBegin = "<script language=\"JavaScript\">";
R|1xXDLm*E private static string ScriptEnd = "</script>";
Q0cY/'>4 ck+b/.gw` public static void ConfirmMessageBox(string PageTarget,string Content)
qon{
g {
tKZ&1E string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
5_)@B]~nM 3eTrtCe$ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
ESMG<vW&f *J_iXu| Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
VD24X ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
poD\C;o" //Response.Write(strScript);
,?k%jcR }
5#0e={X Ud#X@xK<h 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
T^$g N| <jUrE[x 1.1 取当前年月日时分秒
>`89N'lZBm currentTime=System.DateTime.Now;
MCeu0e^) @8nLQh^ 1.2 取当前年
ku9@&W+ int 年= DateTime.Now.Year;
nlzW.OLM ALd]1a& 1.3 取当前月
]jc_=I6) int 月= DateTime.Now.Month;
j
u*fyt A)hhnb0o 1.4 取当前日
!7*(!as int 日= DateTime.Now.Day;
O4EIE)c a*Ss -y 1.5 取当前时
RzS|dGNQE int 时= DateTime.Now.Hour;
bar0{!Y" 5g``30:o 1.6 取当前分
WRD
A ` int 分= DateTime.Now.Minute;
2@ 9pr W|dpFh` 1.7 取当前秒
qO-C%p
[5 int 秒= DateTime.Now.Second;
94|yvh.B PK6*}y 1.8 取当前毫秒
@P:R~m2 int 毫秒= DateTime.Now.Millisecond;
dL_QX,X-] [?chK^8 28.自定义分页代码:
ATXF,o1 F>dwL bnb 先定义变量 :
:N@U[Wx0A public static int pageCount; //总页面数
%bP~wl~ public static int curPageIndex=1; //当前页面
`c"4PU^ k6Ihc?HL 下一页:
gYatsFyL if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
hH%,!tSx {
-J,Q;tj DataGrid1.CurrentPageIndex += 1;
B0oxCc/'sZ curPageIndex+=1;
$PSY:Zz }
Q.,DZp (0i'Nb" bind(); // DataGrid1数据绑定函数
n%/i:Whs ImIqD&a-h 上一页:
1^C|k(t if(DataGrid1.CurrentPageIndex >0)
_>Pk8~m {
iJdP>x DataGrid1.CurrentPageIndex += 1;
H9RGU~q4s[ curPageIndex-=1;
jfUJ37zNZr }
akT|Y4KxD E4+b-?PB~ bind(); // DataGrid1数据绑定函数
SLkuT`* L[9OVD 直接页面跳转:
~,ynJ]_aJB int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
qZaO&"q S%kS#U${| if(a<DataGrid1.PageCount)
I:#Ok+ {
kMy<G8 s this.DataGrid1.CurrentPageIndex=a;
q
IM }
pOMgEEhfS 0[/vQ+O ]2 bind();
bM"fk& R"*R99 29.DataGrid使用:
:zlpfm2 uPkb, :6~Z 添加删除确认:
mDfwn7f private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%e{(twp {
B7HQR{t foreach(DataGridItem di in this.DataGrid1.Items)
jYWw.g< {
vM`7s[oAK if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
'M8aW!~ {
1Bg_FPu ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
EKuSnlTXba }
?;
[ T }
?Ko|dmX }
WfG(JJ ?*H9-2W@ 样式交替:
"jR]MZ ListItemType itemType = e.Item.ItemType;
\ZSTKi? L/?]^!. if (itemType == ListItemType.Item )
V^n0GJNo {
=&Xdm( e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
)TU<:V e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
#~k[ 6YR 0 }
o G_C?(7> else if( itemType == ListItemType.AlternatingItem)
sTkkM9 {
@2
=z}S3O e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
?TpUf e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Mvb':/M }
5&!'^! b,@aqu 添加一个编号列:
sDC*J\X DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
B
+Aj*\Y. DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
S~)w\(r {.CMD9F[ for(int i=0;i<dt.Rows.Count;i++)
*C6 D3y {
lb~E0U`\E` dt.Rows["number"]=(i+1).ToString();
Izo! rC }
g97]Y1g jL>:>r DataGrid1.DataSource=dt;
>7b)y DataGrid1.DataBind();
NfzF.{nh >jx.R DataGrid1中添加一个CheckBox,页面中添加一个全选框
A:# k private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
"A3dvr {
".U^ifF foreach(DataGridItem thisitem in DataGrid1.Items)
idc4Cf+4 {
2.lgT|p ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
osHCg }
\we\0@v }
UBZ9A KE}H&1PjU 将当前页面中DataGrid1显示的数据全部删除
bw4oLu? foreach(DataGridItem thisitem in DataGrid1.Items)
xT*d/Oa w {
1n=_y o if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
F{m{d?:OA {
1S:|3W string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
d=3'?l` Del (strloginid); //删除函数
,EpH4*e }
jqnCA<G~B- }
?jO 5 9n {i [y9 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)
,Zf
9RM _\8qwDg"#e 在Application_Start中添加以下代码:
r8/l P}(F Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
-db75= AppSettings["ConnStr"].ToString();
^%>kO, BiwieF4x 31. 变量.ToString()
#{J,kcxS |L6&Gf]#5 字符型转换 转为字符串
'UU\4M 12345.ToString("n"); //生成 12,345.00
!#yq@2QX 12345.ToString("C"); //生成 ¥12,345.00
d_z59 12345.ToString("e"); //生成 1.234500e+004
G"SBYU 12345.ToString("f4"); //生成 12345.0000
{QAv~S>4 12345.ToString("x"); //生成 3039 (16进制)
iw9Q18:I} 12345.ToString("p"); //生成 1,234,500.00%
MGpt}|t- *OjKcs 32、变量.Substring(参数1,参数2);
NH A 5e< OO) ~HV4\ 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);
~B i_7 Q c=O,;lWFqm 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)
nIk$7rGLB <SCRIPT language="javascript">
'tgKe!-@ <!--
b7`D|7D function gook(pws)
J3RB]O_ {
W_|0y4QOo frm.submit();
:mppv8bh }
YIRZ+H<Q //-->
o{qr!*_3 bUwn}_7b </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
'9p@vi{\ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
:M3oUE{ <tr>
- YqYcer <td>
op2Of<{h <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
f|7\DeY9U <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
mEG6 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
!|hoYU>@2L HSUI${< <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
(IqZ@->nw <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
C$h<Wt=< #p(h]T32 </td>
4S"\~>< Rk<@?(l!6x </tr>
}_/Hdmmx >eQr<-8 </form>
{Bs~lC$ !%+2Yifna 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。
(tah]Bx M-L2w" 下面是获取用户输入的登陆信息的代码:
,_aM`%q?Fj string name;
r`y ezbG name=Request.QueryString["EmailName"];
:o-,SrORM h+p*=|j` try
_/8FRkx {
9O`
m,t int a=name.IndexOf("@",0,name.Length);
;7]u!Q f_user.Value=name.Substring(0,a);
{e[%;W%c& f_domain.Value=name.Substring(a+1,name.Length-(a+1));
<9E0iz+j f_pass.Value=Request.QueryString["Psw"];
Ars687WB }
El_wdbbT sQ6}\ catch
h^,8rd {
AqKz$ Script.Alert("错误的邮箱!");
!-2R;yo12 Server.Transfer("index.aspx");
#/"8F O%~p }