1. 打开新的窗口并传送参数:
B K=w'1U "OwVCym? 传送参数:
IaSpF<&Y; response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
2'- "&d+O d,l?{Ln 接收参数:
*5k40?w string a = Request.QueryString("id");
*-5N0K<kQ string b = Request.QueryString("id1");
Q0K$ZWM`7 .?QYqGcG 2.为按钮添加对话框
N2'aC}
I Button1.Attributes.Add("onclick","return confirm(’确认?’)");
%>=6v}f,+ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
P[G>uA>Z1 $qYP|W 3.删除表格选定记录
M$Z2"F; int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
t>?tWSNf string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
*n EkbI/ x,U_x 4.删除表格记录警告
E}S%yD[ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
51y"#\7 {
8aW El% switch(e.Item.ItemType)
Kd^.>T- {
yCN_vrH> case ListItemType.Item :
:zKMw= case ListItemType.AlternatingItem :
/QyKXg6)l case ListItemType.EditItem:
G'G8`1Nj TableCell myTableCell;
/<8y> myTableCell = e.Item.Cells[14];
X)~wB7_0G LinkButton myDeleteButton ;
xR3$sA2 myDeleteButton = (LinkButton)myTableCell.Controls[0];
Ws`ndR myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
/qIl)+M break;
rq8 d}wj default:
7g"u)L&32 break;
^O+ (eA7E }
]nB|8k=J \298SH(!7 }
@
G)yz!H ;H~<.QW 5.点击表格行链接另一页
NvJ5[W private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
1F`jptVQ\G {
xH*X5? //点击表格打开
;50&s .gZ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+K'Hr:( e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
ZzupK^5Z }
ySmbX .nrllVG%` 双击表格连接到另一页
v}Ju2 }IK 18Y#=uH} 在itemDataBind事件中
@0@ZlHwM if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
sg^|dS{3D {
w(6n string OrderItemID =e.item.cells[1].Text;
<8^x
Mjc ...
k[ro[E e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
,.W7Z~z }
TMj;NSc3 tWIJ,_8l 双击表格打开新一页
?PT>V,& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1Q>nS[ {
|sReHt2)d string OrderItemID =e.item.cells[1].Text;
;cI*"-I:F ...
HTOr e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
&2`p#riAS }
(\{k-2t*^ /qX?ca1_4^ ★特别注意:【?id=】 处不能为 【?id =】
'V]&X.=zC 6.表格超连接列传递参数
dg24h7|] <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
A<X?1$ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
+1y$#~dl +GI906K 7.表格点击改变颜色
6UeY Z g if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
R{H[< s+n {
e(?w h e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
h<LFTYE@ this.style.color=’buttontext’;this.style.cursor=’default’;");
E7MSoBX9M }
",$_\l f_jhQ..g<g 写在DataGrid的_ItemDataBound里
AzOs/q8O if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
x)~i`$ {
wu)+n\mt' e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
EsMX#1>/m this.style.color=’buttontext’;this.style.cursor=’default’;");
-BSdrP| e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Oo|PZ_P }
Ur(R[*2bx (aa2uctTn 3T2]V? 8.关于日期格式
@b,Az{EH 9 %T??- 日期格式设定
Wb-C0^dTn DataFormatString="{0:yyyy-MM-dd}"
pd|KIs%jl y QW7ng7D0 我觉得应该在itembound事件中
\l~^dn} e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
RRIh;HhX [k6I#v<& 9.获取错误信息并到指定页面
SeD}H=,@ -&5YRfr! 不要使用Response.Redirect,而应该使用Server.Transfer
C!VhVOy>d Y_JQPup
e.g
$^ws#}j // in global.asax
G#n 4g:K protected void Application_Error(Object sender, EventArgs e) {
0X=F(,>9 if (Server.GetLastError() is HttpUnhandledException)
J-v1"7[2GC Server.Transfer("MyErrorPage.aspx");
XMrk2]_ U)/.wa> //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
\Oeo"| }
B.q/}\
?( Ktq 4b%{ Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
hx:q@[ +J/ M^o_='\bE 10.清空Cookie
SiLW[JXd Cookie.Expires=[DateTime];
fST.p|b7 Response.Cookies("UserName").Expires = 0
p0Jr{hM . <"XE7 11.自定义异常处理
d y HC8 //自定义异常处理类
"b} mVrFh using System;
8s1nE_3 using System.Diagnostics;
~L)~p%rbi ~3F'X namespace MyAppException
lG7PM^Eb {
=,6H2ew /// <summary>
Y[{:?i~9, /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Ie.*x'b?y /// 自动将异常内容记录到Windows NT/2000的应用程序日志
AW]\n;f
/// </summary>
D=0YLQ*rP public class AppException:System.ApplicationException
SMEl'y {
]`/>hH>+~9 public AppException()
%QezC+n {
k]~o=MLmj if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
}
oPO` }
qjB:6Jq4q #-0e0 public AppException(string message)
3p%e_? {
oD)]4| LogEvent(message);
!g@Ky$ }
LR97FG e4S@ J/D public AppException(string message,Exception innerException)
@Rr=uf G {
!5`MiH LogEvent(message);
.-d'*$
yJ if (innerException != null)
xXe3E& {
1BSd9Ydj LogEvent(innerException.Message);
B9maz"lJ }
D*M `qPX~ }
EoAr}fI J:Cr.K` //日志记录类
4t,
2H" M using System;
u<-)C)z using System.Configuration;
n{tc{LII/ using System.Diagnostics;
0#*6:{/^ using System.IO;
2XP
}:e using System.Text;
!HY^QK using System.Threading;
UA>=#
$ u]yy%@U1 namespace MyEventLog
"q=Cye {
;4nY{)bD /// <summary>
>y3FU1w5d /// 事件日志记录类,提供事件日志记录支持
>q"dLZ /// <remarks>
ingG
/// 定义了4个日志记录方法 (error, warning, info, trace)
{VcRur}&Y8 /// </remarks>
S!(3-{nC /// </summary>
n'~==2 public class ApplicationLog
cQ8[XNa {
~gDYb#p /// <summary>
F.[%0b E /// 将错误信息记录到Win2000/NT事件日志中
,!#Am13 /// <param name="message">需要记录的文本信息</param>
Gv-VDRS /// </summary>
Q:-T'xk@ public static void WriteError(String message)
scg&"s {
V]7/hN-Y} WriteLog(TraceLevel.Error, message);
2"IV }
8y
LcTA$T }]x \ `}o /// <summary>
/K:r4Kw /// 将警告信息记录到Win2000/NT事件日志中
}Fe6L;^; /// <param name="message">需要记录的文本信息</param>
)w7vE\n3 /// </summary>
3~>-A= public static void WriteWarning(String message)
@j!,8JQEd {
eh86-tQI~( WriteLog(TraceLevel.Warning, message);
CMj =4e }
,'8%'xit roADC?@r /// <summary>
tFmB`*!% /// 将提示信息记录到Win2000/NT事件日志中
6,>$Jzs)5E /// <param name="message">需要记录的文本信息</param>
A@A8xn% /// </summary>
;uBGB
h< public static void WriteInfo(String message)
w1/QnV {
oD2:19M@p WriteLog(TraceLevel.Info, message);
Z&
_kq| }
x[0T$ /// <summary>
Lq(=0U\"P /// 将跟踪信息记录到Win2000/NT事件日志中
wvv+~K9jq /// <param name="message">需要记录的文本信息</param>
Z"`w>c. /// </summary>
)lG}B U. public static void WriteTrace(String message)
>h7(kj: {
yE:y[k0E WriteLog(TraceLevel.Verbose, message);
|E8sw a }
y=Y k$:-y Zxebv#4 /// <summary>
.n8R%|C5 /// 格式化记录到事件日志的文本信息格式
DQG%`-J /// <param name="ex">需要格式化的异常对象</param>
GcV/_Y /// <param name="catchInfo">异常信息标题字符串.</param>
qc8Ge\3s /// <retvalue>
x3+
-wv /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
=o#Z?Bn5 /// </retvalue>
V:\:[KcL^ /// </summary>
cYSn
public static String FormatException(Exception ex, String catchInfo)
=H{<}>W' {
7`|'Om?' StringBuilder strBuilder = new StringBuilder();
|Z:yd}d if (catchInfo != String.Empty)
MBWoPK {
LU6R"c11 strBuilder.Append(catchInfo).Append("\r\n");
"wcaJ;Os }
+~8Lc'0aA strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
8zK#./0\ return strBuilder.ToString();
XGa8tI[:X }
l.}PxZ ]#o;`5' /// <summary>
hek+zloB+ /// 实际事件日志写入方法
Rhc:szDU /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
6n9/`D! /// <param name="messageText">要记录的文本.</param>
kV'zAF
v /// </summary>
t&?jJ7 (&8 private static void WriteLog(TraceLevel level, String messageText)
"f91YX_) {
-.D?Z8e try
v=k+MvX {
FLmD?nw EventLogEntryType LogEntryType;
" MnWd BS switch (level)
}&0LoW/ {
Ed=/w6< case TraceLevel.Error:
+hRy{Ps/ LogEntryType = EventLogEntryType.Error;
2E*=EjGV break;
8m+~HSIR case TraceLevel.Warning:
+SFFwjI LogEntryType = EventLogEntryType.Warning;
F_@B ` , break;
e{x>u( case TraceLevel.Info:
nCYz];". LogEntryType = EventLogEntryType.Information;
=xk>yw!O) break;
FGVw=G{r case TraceLevel.Verbose:
G&oD;NY@/ LogEntryType = EventLogEntryType.SuccessAudit;
m` 1dB%;? break;
b7.7@Ly
y default:
o/-RGLzAo LogEntryType = EventLogEntryType.SuccessAudit;
8m0*89HEu break;
5{=+S] }
/\1'.GR [n"eD4 )K| EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Xt$qjtVM //写入事件日志
6wp1jN eventLog.WriteEntry(messageText, LogEntryType);
}3lG'Y#Kpy Uh/=HNR }
1>*oN catch {} //忽略任何异常
bF _]j/ }
^Gk)aX } //class ApplicationLog
F_079~bJ }
=z. hJu 0>Y3xNb 12.Panel 横向滚动,纵向自动扩展
|k}<Zz1UM <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
8g-u 4)iP%%JH 13.回车转换成Tab
%pVsafV <script language="javascript" for="document" event="onkeydown">
Ta[2uv> if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
It3k#A0 event.keyCode=9;
YP,,vcut </script>
a;[\ nCK EjfQF C onkeydown="if(event.keyCode==13) event.keyCode=9"
EV6R[2kl b
ri[&= 14.DataGrid超级连接列
7;Ze>"W> DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
+3o
vO$g 2/3yW.C 15.DataGrid行随鼠标变色
1uw1(iL+ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
.=:f]fs {
A;8kC} if (e.Item.ItemType!=ListItemType.Header)
jU-LT8y: {
3I 0pHP5 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
+.Vh<:? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
<y7{bk~i }
db 99S }
>_j(uw?u x<I[?GT= 16.模板列
3$"V,_TBZ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
G$,s.MSf <ITEMTEMPLATE>
}[leUYi` <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
{XU!p: x </ITEMTEMPLATE>
/ /NV_^$y </ASP:TEMPLATECOLUMN>
k
(AE%eA "E+;O,N- <ASP:TEMPLATECOLUMN headertext="选中">
w6Gez~8 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
/T6bc^nOW <ITEMTEMPLATE>
KTYjC\\G <ASP:CHECKBOX id="chkExport" runat="server" />
X>$Wf3 </ITEMTEMPLATE>
z#gebr~_\ <EDITITEMTEMPLATE>
{N]WVp*R <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
:?~)P!/xl5 </EDITITEMTEMPLATE>
8(`e\)%l0 </ASP:TEMPLATECOLUMN>
T"99m^y )VQ[}iT 后台代码
UXji$|ET6 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
0j8fU7~6S {
Gy L9} //改变列的选定,实现全选或全不选。
qG,h
1 CheckBox chkExport ;
zuNm!$ if( CheckAll.Checked)
E^J &?- {
}@LIb<Y foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
0V6, &rTF {
wfO-bzdw chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
o|>=<l chkExport.Checked = true;
="]lN }
|8E~C~d }
r.)n>
else
yLf9cS6= {
TeuZVy8a foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
v8F{qT50 {
62nmm/c chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Kz
b-a$ chkExport.Checked = false;
!84Lvg0& }
yl?LXc[) }
Q=!
lbW }
> 3x^jh $cn8]*Z= 17.数字格式化
d7BpmM QeF:s|[ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Ak3^en <%#Container.DataItem("price","{0:¥#,##0.00}")%>
F4~OsgZ'N cAN8'S(s1 int i=123456;
n',7=~ string s=i.ToString("###,###.00");
wmV=GV8 d 41/civX>V 18.日期格式化
@F 8NN\ Pg.JI:>2Ku 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
(,sz. V}TPt6C2 显示为: 2004-8-11 19:44:28
Ur 1k3 ^jL44?W}l 我只想要:2004-8-11 】
,Gy,bcv{ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
ts&\JbL 8p829 应该如何改?
o#"yFP1 +s_a{iMVP 【格式化日期】
Zbl*U(KU? o_\vudXK 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
=oXlJ[)h XR8`,qH> 【日期的验证表达式】
hgYFR6VH `6-flc0r A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
~*1Z1aZ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
EO(l?Fgw]$ Q `K^>L1 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
-hfDf{QN ^\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]))$
wL3BgCxqDL %{'[S0 @Z 【大小写转换】
!!A(A^s HttpUtility.HtmlEncode(string);
dH0>lV HttpUtility.HtmlDecode(string)
)/f#~$ws W|{!0w 19.如何设定全局变量
f-^*p ?0u"No52m Global.asax中
5O~xj: I;AS.y Application_Start()事件中
^x*J4jl :9&@/{W 添加Application[属性名] = xxx;
pHk$_t )(YJ6l 就是你的全局变量
Z
OAg7 fWJOP sp*/ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
g<~ODMCO?W W;yg{y HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
=}%:4 lpd~U 2& 【ASPNETMENU】点击菜单项弹出新窗口
o4 "HE* wmK;0 )|H 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
}x{1{Bw>Y <?xml version="1.0" encoding="GB2312"?>
L4+R8ojG <MenuData ImagesBaseURL="images/">
J7wwM'\ <MenuGroup>
r_ m|?U
% <MenuItem Label="内参信息" URL="Infomation.aspx" >
rx]Q,;" <MenuGroup ID="BBC">
ku57<kb <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
[GM!@6U <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
ZJ)>gV ......
1IgTJ" \ #WUN=u 最好将你的aspnetmenu升级到1.2版
8>|4iT 8DD1wK\U~ 21.读取DataGrid控件TextBox值
#6y fIvap foreach(DataGrid dgi in yourDataGrid.Items)
{?w*n_T. {
Ac*)z#H TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
*XDe:A tb.Text....
9]chv>dO)= }
W7s @w%kOX 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?
\Rt>U|% f[`&3+ 〖思归〗
~6u|@pnI <asp:TemplateColumn HeaderText="数量">
cWQ &zc <ItemTemplate>
O d6'bO;G <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
taVK&ohWx onkeyup="javascript:DoCal()"
U/HF6=Wot />
vGH]7jht $rjm MSxi <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
bQ?Vh@j(M </ItemTemplate>
m-[xrVV </asp:TemplateColumn>
6P9#6mZ [$>@f{: <asp:TemplateColumn HeaderText="单价">
,DWq <ItemTemplate>
\/wk!mWV@ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
BD.l 5~: onkeyup="javascript:DoCal()"
:hB6-CZkqN />
A[Ce3m &RS)U72 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
ndBqXS *!NW!,R </ItemTemplate>
9$(N q </asp:TemplateColumn>
fP;I{AiN~ 0ly6 |: <asp:TemplateColumn HeaderText="金额">
gpbdK? <ItemTemplate>
MD0d <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
FAGi`X<L </ItemTemplate>
&"1 _n]JO </asp:TemplateColumn><script language="javascript">
ls "Z4v(L6 function DoCal()
iF:NDqc {
+5GC?cW var e = event.srcElement;
EN>a^B+! var row = e.parentNode.parentNode;
4dz Ym+vJm var txts = row.all.tags("INPUT");
(:+Wc^0 if (!txts.length || txts.length < 3)
m*e8j[w# return;
M.$=tuUL 925T#%y
var q = txts[txts.length-3].value;
5}]gL var p = txts[txts.length-2].value;
`]&'yt DM,;W`|6% if (isNaN(q) || isNaN(p))
~2NTXp
return;
8M['- !*wd
d8 q = parseInt(q);
m KKa0" p = parseFloat(p);
\u/=?b N>j*{]OY+{ txts[txts.length-1].value = (q * p).toFixed(2);
<qoPBm]) }
c!$~_?] </script>
Q."rE"}< FGo)]U >^f]Lgp ;$r!eFY; MA 6uJT 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。
poZ&S page_load
C0>)WVCK page.smartNavigation=true
5tVg++I "LZv\c~v,% 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 ?
3\B~`=*q/ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
LKud' {
!?B2OE for(int i=0;i<e.Item.Cells.Count-1;i++)
~W gO{@Mw if(e.Item.ItemType==ListItemType.EditType)
r_V^sX {
Ys5Iqj=mp e.Item.Cells.Attributes.Add("Width", "80px")
gF M~M( }
>ZAn2s }
{mHxlG) T !pHT'J 26.对话框
h5; +5B}D private static string ScriptBegin = "<script language=\"JavaScript\">";
*;
6LX private static string ScriptEnd = "</script>";
-,"eN}P^ 8?o{{ay public static void ConfirmMessageBox(string PageTarget,string Content)
i,y{*xBT {
:y!{=[>M( string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
*ul-D42!U UXS+GAWU ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
[!#;QQ&M U,`F2yD/! Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
BQ~\ p\ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
{*Qx^e`h$. //Response.Write(strScript);
`LWb L*;Y0 }
%C >Win)g PiX(Ase 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
z)FGbX 1Dm$:),^T} 1.1 取当前年月日时分秒
HxShNU currentTime=System.DateTime.Now;
A^pRHbRq V#PT.,Xa. 1.2 取当前年
|uA /72 int 年= DateTime.Now.Year;
B{Lzgw u; L<N=,~ 1.3 取当前月
$I3}%'`+ int 月= DateTime.Now.Month;
}Do$oyAV$G V#-8[G6Ra 1.4 取当前日
4L2TsuLw int 日= DateTime.Now.Day;
lHgmljn5u ]u
>~: 1.5 取当前时
`[4{]jX+< int 时= DateTime.Now.Hour;
Z@#kivcpz g^2H(}frc 1.6 取当前分
["Jt2 int 分= DateTime.Now.Minute;
eOd'i{f@F mLeK7?GL 1.7 取当前秒
VSm{]Z!x int 秒= DateTime.Now.Second;
GplEad
$ dMH}%f5;1 1.8 取当前毫秒
w5Yt mnP int 毫秒= DateTime.Now.Millisecond;
`HM?Fc58 -sk!XWW+ 28.自定义分页代码:
#Ic-?2Gn4< ~w$ ^`e!] 先定义变量 :
U#n1N7P|$F public static int pageCount; //总页面数
;[j)g,7{ public static int curPageIndex=1; //当前页面
]A:G>K 5SHZRF(. 2 下一页:
5q.)K
f+ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
zAd%dbU| {
Ivc/g, DataGrid1.CurrentPageIndex += 1;
sMWNzt curPageIndex+=1;
y)+lU }
h!]=)7x; i}LVBx"K( bind(); // DataGrid1数据绑定函数
$%3%&+z$I ,y*|f0&"~ 上一页:
(,
uW- if(DataGrid1.CurrentPageIndex >0)
>o!~T}J7 {
J?bx<$C@ DataGrid1.CurrentPageIndex += 1;
CF@j]I@{
curPageIndex-=1;
s\
YHT.O? }
|VML.u:N 32,Y3!% bind(); // DataGrid1数据绑定函数
;[[oZ fnU;DS]W 直接页面跳转:
#uH%J<U int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
(wZ/I(4 S8)6@ECC if(a<DataGrid1.PageCount)
,9~2#[|lq {
_B^Q;54c this.DataGrid1.CurrentPageIndex=a;
Ouc$M2m0! }
&BJ"T 5g;i{T/6~x bind();
CR'1, j
q1|`: 29.DataGrid使用:
>Y"Ru#Ju9 Dt*/tVF 添加删除确认:
>du|DZq private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@
M {
o0F&,|' foreach(DataGridItem di in this.DataGrid1.Items)
5TS&NefM {
W 33MYw if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
#w#:f {
_tQR3I5 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
p;9"0rj,z }
Bh<6J&<n }
0ZJt }
OS$^>1f" K0]42K 样式交替:
Q}:#Hz?U ListItemType itemType = e.Item.ItemType;
5?1:RE(1 &`Ek-b!7 if (itemType == ListItemType.Item )
=^`?O* /; {
<K zEn+ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
,FDRU e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
MON]rj7 }
6ly`lu9 else if( itemType == ListItemType.AlternatingItem)
R&]#@PW^ {
*32hIiCm e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Ni-@El99 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
M)j.Uu }
&'<e9 YGf<! 添加一个编号列:
cMp#_\B DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
8a3h)R DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
6h:2,h
pE k?;B1D8-n for(int i=0;i<dt.Rows.Count;i++)
j NkobJ1 {
fKOC-%w dt.Rows["number"]=(i+1).ToString();
gis;)al }
GX;~K B6xM#) DataGrid1.DataSource=dt;
oZ,_ G,b^ DataGrid1.DataBind();
i-gN<8\v G#nZ%qQ:I DataGrid1中添加一个CheckBox,页面中添加一个全选框
~X!Z+Vg private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Wg!JQRHtT {
{Etvu foreach(DataGridItem thisitem in DataGrid1.Items)
yttaZhK^u {
AS'%Md&I ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
Ws*UhJY<GS }
=a^}]k} }
:.aMhyh#* \2!1fN 将当前页面中DataGrid1显示的数据全部删除
dh
S7}n foreach(DataGridItem thisitem in DataGrid1.Items)
xY>@GSO1 {
rc`}QoB)R if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
_ UGR+0'Q\ {
z~(3S8$ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
H?_>wQj& Del (strloginid); //删除函数
|Q?^B a }
XDohfa_ }
}ej>uZVe< &hu>yH>j 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)
~kFL[Asnaf !\5w<*p8 在Application_Start中添加以下代码:
;7E
c'nC4 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
2xK v; AppSettings["ConnStr"].ToString();
V;29ieE! 3>QkO.b 31. 变量.ToString()
#%7)a; ' (5a:O (\r 字符型转换 转为字符串
dTZ$92< 12345.ToString("n"); //生成 12,345.00
c8Je&y8 12345.ToString("C"); //生成 ¥12,345.00
?/|KM8 12345.ToString("e"); //生成 1.234500e+004
XR|U6bf] 12345.ToString("f4"); //生成 12345.0000
B-UsMO 12345.ToString("x"); //生成 3039 (16进制)
.C,D;T{ 12345.ToString("p"); //生成 1,234,500.00%
`Vl9/IEk YJu~iQ`i 32、变量.Substring(参数1,参数2);
{;vLM*
' 03H0(ku= 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
<NWq03:& ZXl_cq2r 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Hg5:>?Lw@ <SCRIPT language="javascript">
+h08uo5c <!--
{hFH6]TA function gook(pws)
#f<3[BLx {
S`8Iu[Ma frm.submit();
Z5|BwM }
);;UA6CD //-->
T:Nc^QP|tm z3I
|jy1 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
/V
GI@"^v <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
uH]oHh!}j <tr>
c{
([U <td>
v=d16 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
CorV!H4
<input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
F:N8{puq5 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
vb6kr?-i* i&YWutG <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
stQ_Ke <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
%
:h%i| 6=:s3I^ </td>
! k 1 Ge+ @;\0cEn> </tr>
Q_>W!)p Gz R,ZG?/#uM9 </form>
nF
B]#LLv MXiQWg$ 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。
dTjDVq&Hz 9y&bKB2, 下面是获取用户输入的登陆信息的代码:
J6Vx7 string name;
s'|t2`K(" name=Request.QueryString["EmailName"];
6H=gura& 0X3yfrim try
UmR4zGM} {
2Qt!JXC int a=name.IndexOf("@",0,name.Length);
S5V:H Rj{? f_user.Value=name.Substring(0,a);
"hi03k f_domain.Value=name.Substring(a+1,name.Length-(a+1));
%=!] 1 f_pass.Value=Request.QueryString["Psw"];
u'nQC*iJb }
$,P:B%] ?lML+ catch
%&S9~E
D {
2VzYP~Jg Script.Alert("错误的邮箱!");
2+_a<5l~ Server.Transfer("index.aspx");
,l Y4WO }