1. 打开新的窗口并传送参数:
^pAgo B y _Mte 传送参数:
sA(
e response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
y'gIx*6B@ xMck A<E 接收参数:
v.wHj@ string a = Request.QueryString("id");
DB1F_! 9 string b = Request.QueryString("id1");
37j-FLbW C_c*21X 2.为按钮添加对话框
4dfR}C Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Ygwej2 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
<$#;J>{WV (%`R{Y 3.删除表格选定记录
gpo+-NnG int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
V/
a!&_"" string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
irg%n e;IzK]kP 4.删除表格记录警告
-kFPmM; private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
!nPwRK> {
EfTuHg$pe switch(e.Item.ItemType)
Vn4y^_H {
]{mz %\ case ListItemType.Item :
!F@9xG case ListItemType.AlternatingItem :
5e> <i case ListItemType.EditItem:
!G`7T TableCell myTableCell;
e.8(tEqZ1 myTableCell = e.Item.Cells[14];
jrOqspv LinkButton myDeleteButton ;
*)+K+J myDeleteButton = (LinkButton)myTableCell.Controls[0];
8OYw72& myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3B{B6w}t& break;
V(-=@UW default:
@Yv+L) break;
*3,Kn}ik }
fT:a{ #M9rt~4 }
wOhiC$E46 Vh%=JL
sK 5.点击表格行链接另一页
Lm-yTMNPn private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
FZUN*5` {
w_O3]; //点击表格打开
ynWF Y<VX if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
ukZ>_ke`+ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
G-vBJlt=t }
]<9KX} B (T0%oina 双击表格连接到另一页
bZf18lvij: rKK{*%n 在itemDataBind事件中
UK{6Rh ; if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.Xq4QR . {
7'pmW,; string OrderItemID =e.item.cells[1].Text;
n/>^!S ...
8IX:XDEQ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
ncF|wz }
^e<"`e Pz=x$aY 双击表格打开新一页
U$-;^=; if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
yA74Rxl*6 {
D^R= string OrderItemID =e.item.cells[1].Text;
G-54D_ 4 ...
f{m,?[1C, e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Kbdjd p }
?9F_E+! \(S69@f ★特别注意:【?id=】 处不能为 【?id =】
BtPUUy. 6.表格超连接列传递参数
7q%<JZPY <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
!uoQLiH+ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
zvzS$Gpe $]{20" 7.表格点击改变颜色
&zGf`Zi6*% if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Nb[zm|. {
R:Pw@ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
#Tr>[ZC this.style.color=’buttontext’;this.style.cursor=’default’;");
M/O4JZEqh }
&p."`
C r)9&'m .: 写在DataGrid的_ItemDataBound里
"kYzgi if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
1;e"3x" {
.<0s?Q e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
@xO?SjH this.style.color=’buttontext’;this.style.cursor=’default’;");
G`a,(<kT; e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
9;fyC= }
7W{xK'|] 3 &aBU[ /b$0).fj@, 8.关于日期格式
V*$(T t( v#HaZT]u 日期格式设定
/b44;U`v5- DataFormatString="{0:yyyy-MM-dd}"
hI&ugdf 2+Y8b:: 我觉得应该在itembound事件中
M;14s*g e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
& o2F4 *@E Itj ` 9.获取错误信息并到指定页面
dBB;dN "*ot:;I 不要使用Response.Redirect,而应该使用Server.Transfer
yB>5p]$P H
3e(- e.g
\`nRgYSE // in global.asax
Q|!}&= protected void Application_Error(Object sender, EventArgs e) {
QG|KZ8uO if (Server.GetLastError() is HttpUnhandledException)
vf|lF9@U Server.Transfer("MyErrorPage.aspx");
} Fw/WD gK`o;` ^ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
nb
-Je+ }
/Ir|& <yB ,>: Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
BW`)q/ (|{b ZW} 10.清空Cookie
'1$#onx Cookie.Expires=[DateTime];
Hy?+p{{G Response.Cookies("UserName").Expires = 0
tt|v opz $. ;j4%% 11.自定义异常处理
c`hj^t //自定义异常处理类
t
Q0vX@I<v using System;
&8l4A=l$ using System.Diagnostics;
UL46%MFQ\ 0+i\j`O& namespace MyAppException
&WqKsH$ {
yNVmTb9mF /// <summary>
&_DRrp0CN /// 从系统异常类ApplicationException继承的应用程序异常处理类。
?r`UBR+[ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
TAkM-iyH] /// </summary>
sRM3G]nUr public class AppException:System.ApplicationException
?|&plf| {
\Y EV
5
public AppException()
\z/_vzz4 {
A3\%t@y if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
fP6]zy^* }
&oA p[] ,>DaS( public AppException(string message)
;}=4z^^5 {
qtx5N)J6 LogEvent(message);
C< :F<[H }
U%Igj:%?;` k:+Bex$g public AppException(string message,Exception innerException)
q,<AW> {
uv:DO6 { LogEvent(message);
<hYrcOt if (innerException != null)
$'9b,- e {
+npcU:(Kg LogEvent(innerException.Message);
_l i\b- }
%(EUZu2 }
,u^RZ[} vPVA^UPNV //日志记录类
;w^-3 U7: using System;
@IB+@RmL using System.Configuration;
q}nL'KQ,n using System.Diagnostics;
p6VHa$[ using System.IO;
!PaDq+fB using System.Text;
2EHeQ|# using System.Threading;
oic}Go m4U7{sE namespace MyEventLog
G)I lkA@ {
,O9rL :? /// <summary>
N|pyp*8Z /// 事件日志记录类,提供事件日志记录支持
2MNAY%iT /// <remarks>
5`ma#_zk|f /// 定义了4个日志记录方法 (error, warning, info, trace)
xJ;DkPh /// </remarks>
d/Sx+1
"{T /// </summary>
W|go*+`W% public class ApplicationLog
GM5s~, {
Ly0U')D: /// <summary>
A.mIqu,: /// 将错误信息记录到Win2000/NT事件日志中
[M^ur%H /// <param name="message">需要记录的文本信息</param>
`=]I-5#.W /// </summary>
*-!&5~o/U public static void WriteError(String message)
r A*"22v= {
oNgu-& WriteLog(TraceLevel.Error, message);
gFsnL*L0 }
WsA(8Ck< ^:b%QO /// <summary>
w% Ug9 /// 将警告信息记录到Win2000/NT事件日志中
g@&@]63 /// <param name="message">需要记录的文本信息</param>
;'o:1{Y /// </summary>
R!v ?d2 public static void WriteWarning(String message)
-H@Gyw
{
#-QQ_ WriteLog(TraceLevel.Warning, message);
bS0z\!1 }
l_GsQ0 Wcgy:4K3 /// <summary>
([-xM%BI6 /// 将提示信息记录到Win2000/NT事件日志中
QE:%uT /// <param name="message">需要记录的文本信息</param>
Q7ez?]j6 /// </summary>
V9v80e {n4 public static void WriteInfo(String message)
t^|+|>S {
] -6=+\]
WriteLog(TraceLevel.Info, message);
qR
WWG& }
lgxG:zAC
/// <summary>
67uUeCW /// 将跟踪信息记录到Win2000/NT事件日志中
E57J).x-BP /// <param name="message">需要记录的文本信息</param>
OVsZUmSG /// </summary>
39W"G7n?v public static void WriteTrace(String message)
Q k`yK|(0= {
QfI)+pf WriteLog(TraceLevel.Verbose, message);
4eSV(u)4 }
EZm6WvlxSI UuV<#N) /// <summary>
0n<t/74 /// 格式化记录到事件日志的文本信息格式
P|"U /// <param name="ex">需要格式化的异常对象</param>
mUj=NRq /// <param name="catchInfo">异常信息标题字符串.</param>
t"0Z=`Wi /// <retvalue>
zh hHA9 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
YpFh_Zr[ /// </retvalue>
4XkSj9D~z /// </summary>
IC-k public static String FormatException(Exception ex, String catchInfo)
0NY2Kw; {
yDt3)fP# StringBuilder strBuilder = new StringBuilder();
k^|P8v+"D if (catchInfo != String.Empty)
49o5"M( {
I_Q*uH.Y 5 strBuilder.Append(catchInfo).Append("\r\n");
-U6" Ce }
DA[s k7 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
?i.]|#{Z return strBuilder.ToString();
'RIlyH~Yf }
DU6AlNx !aSu;Ln /// <summary>
ub|tX 'o /// 实际事件日志写入方法
MZt~
Abt /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
wIW]uo/= /// <param name="messageText">要记录的文本.</param>
E(i<3U"4h[ /// </summary>
N'L3Oa\% private static void WriteLog(TraceLevel level, String messageText)
K-$gTV {
l\=M'D try
LB<,(dyh {
l
vuoVINEp EventLogEntryType LogEntryType;
c}nXMA^^ switch (level)
rPV\ F {
fP41B case TraceLevel.Error:
jk0Ja@8PK LogEntryType = EventLogEntryType.Error;
mWUo:(U break;
P^-tGo! case TraceLevel.Warning:
-[kbHrl& LogEntryType = EventLogEntryType.Warning;
,UFr??ZKm
break;
_rQM[{Bkg case TraceLevel.Info:
90%alG1>y LogEntryType = EventLogEntryType.Information;
z6tH2Wxf break;
Ybr&z7# 2 case TraceLevel.Verbose:
6?U2Et LogEntryType = EventLogEntryType.SuccessAudit;
[XA
f=x break;
~]71(u2 default:
\JBJ$lBL LogEntryType = EventLogEntryType.SuccessAudit;
:@6,|2be= break;
j HT2|VGb* }
$7{V+> /cBQE=]6 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
x\vb@!BZ //写入事件日志
L0{ehpvM eventLog.WriteEntry(messageText, LogEntryType);
z5CZ!"&v q9j9"M' }
dU]> catch {} //忽略任何异常
(ilU<Ht }
_
i )Z8# } //class ApplicationLog
75`*aAZ3 }
v%|()Z0 CqVh9M.ah 12.Panel 横向滚动,纵向自动扩展
_zQ3sm <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
CErkmod{}e pPcn
F`A 13.回车转换成Tab
i)V-q9\ <script language="javascript" for="document" event="onkeydown">
.S&S#}$/] if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
+ >N/q(l event.keyCode=9;
6g@@V=mf </script>
8S1%;@c L 6){wQ%c onkeydown="if(event.keyCode==13) event.keyCode=9"
a_5 `9B L dB7E&"f 14.DataGrid超级连接列
z<~gv" DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
{5U;9: sO6 @>'.F<:P< 15.DataGrid行随鼠标变色
zV {[0s private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
X]q,A5g {
n$ye:p>`- if (e.Item.ItemType!=ListItemType.Header)
h3.wR]ut {
K /h9x9^ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
iulM8"P
e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
]@bo; . }
jcF/5u5e }
wU.K+4-k 4NxtU/5-sU 16.模板列
@p jah(i` <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
5H#3PZaQ <ITEMTEMPLATE>
~SkdP7 ) <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
IMzhEm </ITEMTEMPLATE>
eRllF `* </ASP:TEMPLATECOLUMN>
EAq/Yw2$ LV{a^!f`y <ASP:TEMPLATECOLUMN headertext="选中">
?\:ysTVu <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
F9]j{'# <ITEMTEMPLATE>
Y7)YJI <ASP:CHECKBOX id="chkExport" runat="server" />
k3se<NL[ </ITEMTEMPLATE>
Zs!)w9y&V <EDITITEMTEMPLATE>
WF<0QH <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
^ MkT"> </EDITITEMTEMPLATE>
6.|f iQs] </ASP:TEMPLATECOLUMN>
vyT$IdV2 CqDMq ! 后台代码
HPs$R[ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
5:SfPAx {
GE=#8-@g~p //改变列的选定,实现全选或全不选。
^I9x@t CheckBox chkExport ;
0Ha1pqR if( CheckAll.Checked)
4f~hd-z {
Zk2-U"0\o foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
VF=$'Bl| {
dI&2dcumS chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
]SpUD chkExport.Checked = true;
?lCKZm.,(- }
r?d601(fa }
d;\x 'h2 else
NMY~f (x {
BuI&kU,WY foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
rWF~aec {
>L?)f3_a chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*""'v
chkExport.Checked = false;
uY5 &93R }
68R[Lc9q5 }
.Vq-<c% }
XXacWdh \ #X7fs5$& 17.数字格式化
&ZFsK c# n@w$5y1@ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
=kohQ d.n <%#Container.DataItem("price","{0:¥#,##0.00}")%>
h,<%cvU= iNf+ -C3 int i=123456;
J=W"FEXTL7 string s=i.ToString("###,###.00");
Mi.xay% NvXds;EC 18.日期格式化
VN|P(S6 "y/GK1C 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
yWu80C8q oT$w14b 显示为: 2004-8-11 19:44:28
N5[QQtQ g+p?J.+ 我只想要:2004-8-11 】
dkJ+*L5 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
~P|YAaFx !0ySS {/ 应该如何改?
o6K\z+.{ HgE^#qD? 【格式化日期】
[2.uwn]i WcAX/<Y > 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
-uenCWF\# 21M@z(q* 【日期的验证表达式】
/og2+! l,HM m|oU A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Ra[{K@ ^((\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})))?$
e m<(wJ-Y ^.Vq0Qzy] B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
'x
lK_Z ^\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]))$
95>(NwST4 (F~i 【大小写转换】
+mE y7qM HttpUtility.HtmlEncode(string);
OT{wqNI HttpUtility.HtmlDecode(string)
;OTD1= ZffK];D 19.如何设定全局变量
4&~1|B{Z )P@t,mxW/ Global.asax中
|i7|QLUT Uaj8}7v Application_Start()事件中
*^ncb,1+i &(-+?*A`E 添加Application[属性名] = xxx;
!6\{q
M #-1 ; 就是你的全局变量
N|?"=4Z? |2AK~t|t 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
j%Y`2Ra V9NE kS HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
&,2XrXiFu 6<.Ma7)lA 【ASPNETMENU】点击菜单项弹出新窗口
i[H`u,%+( [2~Et+r6g 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
8v\BW^z3 <?xml version="1.0" encoding="GB2312"?>
xRq|W4ay <MenuData ImagesBaseURL="images/">
B<J}YN <MenuGroup>
^aN;M\ <MenuItem Label="内参信息" URL="Infomation.aspx" >
?SRG;G1 <MenuGroup ID="BBC">
K/KZ}PI-O <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
6:i{_YX(.S <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
QNJ )HNLp ......
_CDUUr ]6Kx0mW 最好将你的aspnetmenu升级到1.2版
]re1$W#* )t{?7wy 21.读取DataGrid控件TextBox值
L0Bcx|)"$` foreach(DataGrid dgi in yourDataGrid.Items)
h)7{Cj {
;'NB6[x TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
fB|rW~!v tb.Text....
cU?A|' }
r ,D
T> 2G<\Wz 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?
=o;8xKj &]3_ .C 〖思归〗
$(K[W} <asp:TemplateColumn HeaderText="数量">
w`&~m:R <ItemTemplate>
<Qu]m.z[ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
$3zs?Fd` onkeyup="javascript:DoCal()"
DX l3 />
<XiHQ
B! `WGT`A" <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
x
hBlv </ItemTemplate>
,<0R'R </asp:TemplateColumn>
XT>
u/Z ) !E8y!|7$ <asp:TemplateColumn HeaderText="单价">
v\PqhI y" <ItemTemplate>
A}?n.MAX> <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
zs:OHEZw onkeyup="javascript:DoCal()"
:{bvCos<) />
2'Cwx-_G` .;)7)% <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
W0J d2 *] XdjM/hB{fD </ItemTemplate>
MdmS </asp:TemplateColumn>
3Cmbt_WV Z5/^pyc <asp:TemplateColumn HeaderText="金额">
<]xGd!x$ <ItemTemplate>
_>+!&_h <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
q@8Jc[\d </ItemTemplate>
N]udZhkn </asp:TemplateColumn><script language="javascript">
AE? 0UVI function DoCal()
/ E}L%OvE {
+XCLdf}dC var e = event.srcElement;
ad1 I2 var row = e.parentNode.parentNode;
w=H var txts = row.all.tags("INPUT");
GcaLP*%>B if (!txts.length || txts.length < 3)
35;|r return;
}7&.FV" W{:^P0l var q = txts[txts.length-3].value;
/I}#0} var p = txts[txts.length-2].value;
:_V9Jwu ~o_0RB if (isNaN(q) || isNaN(p))
>uT,Z,7O return;
2%P{fJbwd A?V}$PTlx q = parseInt(q);
6U~AKq"+f p = parseFloat(p);
67/J sL no_;^Ou? txts[txts.length-1].value = (q * p).toFixed(2);
&0cfTb)dG }
'ol8l Ia.P </script>
W|h~&O dJxdrs qM78s>\-h HO[W2b '[(]62j 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
nX%b@cOXj page_load
.UX`@Q:Gp page.smartNavigation=true
;]c@%LX |2t
g3m@ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
:0N}K} private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
VZuluV {
!*Ex}K99 for(int i=0;i<e.Item.Cells.Count-1;i++)
0T,uH if(e.Item.ItemType==ListItemType.EditType)
/2z, ?,jL {
OBY^J1St e.Item.Cells.Attributes.Add("Width", "80px")
)+ifVv50 }
j'r"_*% }
4P(muOS X.}i9a
6 26.对话框
/c2|
*"@X private static string ScriptBegin = "<script language=\"JavaScript\">";
JC6?*R private static string ScriptEnd = "</script>";
d8D0 28d h [*/Tnr public static void ConfirmMessageBox(string PageTarget,string Content)
`%S 35x9 {
-wr#.8rzTT string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
"3 Y(uN wr);+.T9R ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
]M3V]m y
buKwZFC Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
EZs"?A ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
zI-]K,! //Response.Write(strScript);
>_XC }
F(h
jP (U@Ks ) 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
_EPfeh; ;::]R'F[ 1.1 取当前年月日时分秒
|m{u]9 currentTime=System.DateTime.Now;
zm>^!j
! rfo7\'yk 1.2 取当前年
P=3mLz- int 年= DateTime.Now.Year;
T.d1? ,f*Q3 S/I 1.3 取当前月
7b8+"5~ int 月= DateTime.Now.Month;
2F7( Y) P^'TI[\L9 1.4 取当前日
Xz,fjKUnN int 日= DateTime.Now.Day;
F/%M`?m"ie oRkh>yj' 1.5 取当前时
U80h0t% int 时= DateTime.Now.Hour;
`:b*#@ e|-&h `[ 1.6 取当前分
3uXRS,C int 分= DateTime.Now.Minute;
Nyx)&T&I *jQ?(Tf 1.7 取当前秒
(>.lkR int 秒= DateTime.Now.Second;
z]+&kNm X,xCR]+5S 1.8 取当前毫秒
d#8 n<NM int 毫秒= DateTime.Now.Millisecond;
-v %n@8p px${
"K< 28.自定义分页代码:
.9NYa |+0 gOy;6\/ 先定义变量 :
l+nT$IPF public static int pageCount; //总页面数
wn-1fz<d public static int curPageIndex=1; //当前页面
*Jwx,wF}4 ldFR%v>9 下一页:
zgNzdO/B if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
=;Q:z^S {
3xIelTf* DataGrid1.CurrentPageIndex += 1;
5Z@0XI curPageIndex+=1;
)L/0X40<. }
;kDUQw \>$3'i=mQ bind(); // DataGrid1数据绑定函数
rP{Jep! P,J+'.@ 上一页:
Y_zMj`HE if(DataGrid1.CurrentPageIndex >0)
8bJj3vr {
%*
k`z#b DataGrid1.CurrentPageIndex += 1;
H\fsyxM7 curPageIndex-=1;
+'|nsIx, }
Sx8RH),k i 558&: bind(); // DataGrid1数据绑定函数
=u-q#<h4; OwCbv j0# 直接页面跳转:
oGRd ;hsF int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
6gs0Vm baoyU#X9 if(a<DataGrid1.PageCount)
+)hxYLk&I {
uf^HDrr<L this.DataGrid1.CurrentPageIndex=a;
`r'$l<(4WV }
=`ZRPA!aY hmkm^2 bind();
s(T0lul !,|-{": 29.DataGrid使用:
eo*l^7 72CHyl`|l 添加删除确认:
mBeP"G S private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
t"s$YB>} {
9:E: 3%% foreach(DataGridItem di in this.DataGrid1.Items)
xtBu]I)% {
4/ WKR3X if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
/\{emE\] {
?9;CC]D ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
lc8g$Xw3 }
%*NED zy }
~t<G gNI }
!bCSt?}@u j{j5TvsrY 样式交替:
G?v!Uv8O ListItemType itemType = e.Item.ItemType;
K491QXG XV}}A^ if (itemType == ListItemType.Item )
5sANF9o! {
%:s+5*SKe e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
*_Vv(H& e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
C*}PL }
jlA6~n else if( itemType == ListItemType.AlternatingItem)
[Tl66Eyl {
w4fQ~rcUIc e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
?[uHRBR' e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
qSGM6kb }
! 1Hs;K ?fN6_x2e3 添加一个编号列:
's.e"F# DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
jGi{:} `lB DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
0l3[?YtXc $4mCtonP= for(int i=0;i<dt.Rows.Count;i++)
Xj{gyLs {
1eywnOjrj dt.Rows["number"]=(i+1).ToString();
]>Ym }
Q*Y-@lZ ^mg:<_p DataGrid1.DataSource=dt;
I 12Zh7Cc: DataGrid1.DataBind();
ufe|I 74ho= DataGrid1中添加一个CheckBox,页面中添加一个全选框
r .'xqzF/ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
@ x .`z {
;Xf1BG r foreach(DataGridItem thisitem in DataGrid1.Items)
c`/VYgcTqB {
soLW'8 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
==
E8^jYJw }
Xt:$H6
y }
lu00@~rx/ ?=LT
^Zp` 将当前页面中DataGrid1显示的数据全部删除
Qd~z<U l foreach(DataGridItem thisitem in DataGrid1.Items)
\vJ0Mhk1 {
S6}_N/;6~ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Q5}XD {
s1E 0atT string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
tfe]=_U Del (strloginid); //删除函数
0%Le*C'yk }
c~4Cpy^ }
H[nco# z{|0W!nHJ 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)
=tbfBK+ P6Y+ u 在Application_Start中添加以下代码:
.^M#BAt2 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
B$6KI AppSettings["ConnStr"].ToString();
E}KGZSj $#-rOi / 31. 变量.ToString()
{:3\Ms# HAL\j5i 字符型转换 转为字符串
mI5J]hk 12345.ToString("n"); //生成 12,345.00
;:_AOb31N 12345.ToString("C"); //生成 ¥12,345.00
J;NIa[a 12345.ToString("e"); //生成 1.234500e+004
uJCp 12345.ToString("f4"); //生成 12345.0000
"AZ|u#0P 12345.ToString("x"); //生成 3039 (16进制)
!qp$Xtf+ 12345.ToString("p"); //生成 1,234,500.00%
"0uM%*2 .;Mb4"7= 32、变量.Substring(参数1,参数2);
^8EW/$k xxyc^\$ 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);
$cK}Tlq A
yr, 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
5q*s_acQ <SCRIPT language="javascript">
Ea&NJ]& g <!--
{f\wIZ-K A function gook(pws)
L{P'mG=4 {
p:TE## frm.submit();
}ymW};W }
^utOVi //-->
=3c?W&: S9Oz5_x </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
?IYu"UO<)| <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
zzhZ1;\ <tr>
E&
.^|<n <td>
&BLCP d <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
J}&U[ds p <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
,{!,%]bC <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
:>.{w$Ln% nKzm.D gt_ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
h$kz3r;b," <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
r&m49N,d I]`RvT </td>
|YsR;=6wT :P}3cl_ </tr>
:Rb\Ca j&,Gv@ </form>
{N>ju `@
YV 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
x;)I%c e,epKtL 下面是获取用户输入的登陆信息的代码:
VS/M@y_./ string name;
W]#w4Fp! name=Request.QueryString["EmailName"];
>STthPO 7bk77`qWr try
uDie205 {
/M%>M] int a=name.IndexOf("@",0,name.Length);
,IyQmN y f_user.Value=name.Substring(0,a);
(ne[a2%> f_domain.Value=name.Substring(a+1,name.Length-(a+1));
a51e~mg Z` f_pass.Value=Request.QueryString["Psw"];
3s/1\m% }
L4Zt4Yuw ~w3u(X$m" catch
mP&\? {
CdF;0A9.3 Script.Alert("错误的邮箱!");
=4MTb_ Server.Transfer("index.aspx");
]CF-#q}' }