1. 打开新的窗口并传送参数:
*ww(5 t cx%9UK*c 传送参数:
]Lft^,7 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
y/*Tvb #TJ =@/^1.` 接收参数:
[*E.G~IS` string a = Request.QueryString("id");
BQmafpp` string b = Request.QueryString("id1");
i]WlMC6 jsht2]iq3K 2.为按钮添加对话框
%SFR.U0}yK Button1.Attributes.Add("onclick","return confirm(’确认?’)");
wq`Kyhk button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
s|`)' h/~BUg' 3.删除表格选定记录
d'nuk#r int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
n&&U9sf? string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
6? ly.h$ #EK8Qe_ 4.删除表格记录警告
X51$5% private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
Fd.d( {
PS;*N8 switch(e.Item.ItemType)
zC;lfy{f= {
iz5wUyeg case ListItemType.Item :
&!fcL Jd case ListItemType.AlternatingItem :
yp'>+cLa case ListItemType.EditItem:
6u3(G j@ TableCell myTableCell;
w:(7fu= myTableCell = e.Item.Cells[14];
``CADiM:S LinkButton myDeleteButton ;
UeeV+xU myDeleteButton = (LinkButton)myTableCell.Controls[0];
!sWBj'[> myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
,QAp5I%3= break;
QP0X8%+p default:
l~c>jm8. break;
|^!@ }
84cH|j`w rmJ847%y` }
/hR]aw Jtk(yp{Zz 5.点击表格行链接另一页
f_Bf}2Eedj private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
e:occT {
Lwk- //点击表格打开
izo
$0 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
be@uHikp;v e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
POs~xaZ`H }
k] YGD uS,$P34^oy 双击表格连接到另一页
RjHpC7b*% L@GD$F=<0 在itemDataBind事件中
=1Jo-!{{ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
AW68'G*m {
x*V<afLY[ string OrderItemID =e.item.cells[1].Text;
&|] ^ u/ ...
`^{P,N>X e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Ev#aMK }
MqH~L?~}| Z8UM0B=i 双击表格打开新一页
"KwKO8f if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?yK\L-ad {
Y.#+Yh[ string OrderItemID =e.item.cells[1].Text;
`;@4f|N9 ...
:"]ei@ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
m"]ys# }
ObzlZP
r@ miqCUbcU ★特别注意:【?id=】 处不能为 【?id =】
N3) v,S- 6.表格超连接列传递参数
K4~Ox <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
XvY-C <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
nrBitu, _TF>c:m3 7.表格点击改变颜色
=ndKG5 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
2oLa`33c1 {
gG>>ynn e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
sd%~pY} this.style.color=’buttontext’;this.style.cursor=’default’;");
Z
ngJ9js }
OFv} jT b??1Up 写在DataGrid的_ItemDataBound里
zdE^v{}| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
y
rk#)@/m {
Lw`\J|%p e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Q
# gHD this.style.color=’buttontext’;this.style.cursor=’default’;");
pJ[Q.QxU e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
bE~lc}% }
':3KZ4/C nCU4a1rZ !=:c8V 8.关于日期格式
0J~4
nmr>Aj8[ 日期格式设定
L%FL{G
DataFormatString="{0:yyyy-MM-dd}"
intf%T5# hh9{md\ 我觉得应该在itembound事件中
g%trGW3{- e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
e^ yB9b @V)WJ{ 9.获取错误信息并到指定页面
e=2D^G#qE /
<p HDY 不要使用Response.Redirect,而应该使用Server.Transfer
pC6_
jIZ @zbXG_J e.g
(&(f`c@I // in global.asax
8T4J^6 protected void Application_Error(Object sender, EventArgs e) {
8{C3ijR if (Server.GetLastError() is HttpUnhandledException)
(yfTkBy Server.Transfer("MyErrorPage.aspx");
FWg7e3 T (qu~} //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
KVuv%? }
#=rR[:M ,v"A}g0" 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
/03>|Juo K_i2%t3 10.清空Cookie
\cG'3\GI Cookie.Expires=[DateTime];
|($pXVLH` Response.Cookies("UserName").Expires = 0
o&]qjFo\m e\<I:7%Rg 11.自定义异常处理
5j]%@]M$Z //自定义异常处理类
>KE(%9y~ using System;
-Q;
w4@ using System.Diagnostics;
>qE$:V"_5 ]arP6iN+ namespace MyAppException
i+;EuHf {
/y} /// <summary>
g=)@yZ3>v /// 从系统异常类ApplicationException继承的应用程序异常处理类。
=["GnL*!0 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
mS0W@# |K /// </summary>
%9j]N$.V public class AppException:System.ApplicationException
1 !sYd@iD@ {
Yr+&|;DB public AppException()
n#*cVB81 {
,0~=9dR if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
T4[eBO }
{}z7N~ r*
U6govky public AppException(string message)
PJ'l:IU {
B4kIcHA LogEvent(message);
+mJAIjH }
>_@J&vC IoC,\$s, public AppException(string message,Exception innerException)
[K5afnq` {
B-RaAiE@ LogEvent(message);
4
QWHGh" if (innerException != null)
-8]$a6`{_ {
{S?.bT%& LogEvent(innerException.Message);
W+QI
D/ }
DD1S]m }
i[B%:q:& 9I,Trk@& //日志记录类
^#nAS2w7U using System;
j'Fni4; using System.Configuration;
'G&w[8mqY using System.Diagnostics;
\|M z'* using System.IO;
~Y{K^:wN^ using System.Text;
~%]+5^Ka] using System.Threading;
d/MMPge3 5lT lZRH1 namespace MyEventLog
PH6uP] {
="V6z$N /// <summary>
x`4">:IA /// 事件日志记录类,提供事件日志记录支持
e.[h /// <remarks>
o.,hCg)X /// 定义了4个日志记录方法 (error, warning, info, trace)
"zugnim /// </remarks>
?n}L+| /// </summary>
%NvY~, public class ApplicationLog
E11"uWk` {
*p"%cas /// <summary>
%
74}H8q_z /// 将错误信息记录到Win2000/NT事件日志中
2?&h{PA+ /// <param name="message">需要记录的文本信息</param>
i9d.Ls /// </summary>
#soWX_> public static void WriteError(String message)
[ACa<U/ {
1c]GS&(RP WriteLog(TraceLevel.Error, message);
&W1cc#( }
WkT4&|POJ \Q]7Hw< /// <summary>
N*eZ4s' /// 将警告信息记录到Win2000/NT事件日志中
`,J\E<4J /// <param name="message">需要记录的文本信息</param>
j
sm{|' /// </summary>
=oBV.BST u public static void WriteWarning(String message)
_T1|_9b {
`U(FdT WriteLog(TraceLevel.Warning, message);
9Z}-%Z[,) }
*t63c.S Up~#]X /// <summary>
_di[PU=Vh /// 将提示信息记录到Win2000/NT事件日志中
Au9Rr3n /// <param name="message">需要记录的文本信息</param>
%k9GoX_ /// </summary>
y:m Xv<g public static void WriteInfo(String message)
V
V<Zl {
flRok?iF WriteLog(TraceLevel.Info, message);
gkDB8,C<j }
f|u!?NGl /// <summary>
4h-tR /// 将跟踪信息记录到Win2000/NT事件日志中
X4gs{kx}| /// <param name="message">需要记录的文本信息</param>
+5voAx! /// </summary>
L:7%W dyh public static void WriteTrace(String message)
wtK+\Qnb {
NO QM:tBO> WriteLog(TraceLevel.Verbose, message);
ZjWI~"] }
Mp}U>+8 +d<o2n4! /// <summary>
eGjEO&$ /// 格式化记录到事件日志的文本信息格式
fnB[b[ /// <param name="ex">需要格式化的异常对象</param>
i6aM}p< /// <param name="catchInfo">异常信息标题字符串.</param>
F.4xi+S_ /// <retvalue>
!Eu}ro.} /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
04o(05K /// </retvalue>
T)MKhK9\Ab /// </summary>
`$05+UU public static String FormatException(Exception ex, String catchInfo)
H+` Zp {
Pa+%H]vB StringBuilder strBuilder = new StringBuilder();
l4RZ!K*X_" if (catchInfo != String.Empty)
cJMp`DQzc {
&=~Jw5WK strBuilder.Append(catchInfo).Append("\r\n");
_vm ~yKId }
J.$N<. strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
wZ0RI{)s' return strBuilder.ToString();
X3@Uih}| }
`fS$@{YI_ ]@0C1r /// <summary>
Kqm2TMO]>V /// 实际事件日志写入方法
m9 1Gc?c /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
@kd`9Yw /// <param name="messageText">要记录的文本.</param>
G8}k9?26( /// </summary>
jBb:) private static void WriteLog(TraceLevel level, String messageText)
1N,</<" {
qx|~H'UuBN try
"\3C)Nz? {
~m3Q^ue EventLogEntryType LogEntryType;
MaN6bM switch (level)
K|]/BjB/ {
s+DOr$\ case TraceLevel.Error:
n&1q* LogEntryType = EventLogEntryType.Error;
wNtC5 break;
:<hM@>eFn case TraceLevel.Warning:
yw\Q>~$n[= LogEntryType = EventLogEntryType.Warning;
{OIB/ break;
E%LUJx} case TraceLevel.Info:
.~u[rc|< LogEntryType = EventLogEntryType.Information;
#Pt_<?JtV break;
I'}&s|6 case TraceLevel.Verbose:
lha)4d LogEntryType = EventLogEntryType.SuccessAudit;
#x*\dL break;
7H.3.j(L default:
? fW['% LogEntryType = EventLogEntryType.SuccessAudit;
Ym% XCl break;
g-? @a }
Ogv9_X8 ?.Q$@Ih0 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
\(_(pcl //写入事件日志
/*P) C'_M eventLog.WriteEntry(messageText, LogEntryType);
2ci[L:U z.lIlp2: }
y*=sboX catch {} //忽略任何异常
2D UY4Ti }
HA$Xg
j } //class ApplicationLog
0RgE~x!hI }
F_G .$aCc F%P"T%| 12.Panel 横向滚动,纵向自动扩展
,R.rxoO <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
gu|=uW K xqs ,4bcbY 13.回车转换成Tab
ijP`fM8 <script language="javascript" for="document" event="onkeydown">
.exBU1Yk@ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
?zex]!R event.keyCode=9;
>$,P )cB' </script>
>v2/0>U .+A)^A onkeydown="if(event.keyCode==13) event.keyCode=9"
_ _!LTpp
pu~b\&^G 14.DataGrid超级连接列
1oe,>\\ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
>dx/k)~~-L X!_&%^L' 15.DataGrid行随鼠标变色
e>6|# d private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@Bds0t {
4M#i_.`z if (e.Item.ItemType!=ListItemType.Header)
h+=IxF4 {
hjyM xg;Q? e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
By waD? e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
{xx}xib3 }
)xq=V }
v*[UG^+) .' }jd# 16.模板列
]VL} eHZ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Z_[ P7P <ITEMTEMPLATE>
9U8x&Z]P <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
)(0if0D4 </ITEMTEMPLATE>
`Fie'[F5,) </ASP:TEMPLATECOLUMN>
zOd*> w"5Eyz-eO <ASP:TEMPLATECOLUMN headertext="选中">
vJxEF&X <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
UB/"&I uo <ITEMTEMPLATE>
h4jo<yp\ <ASP:CHECKBOX id="chkExport" runat="server" />
.fbY2b([ </ITEMTEMPLATE>
:s6aFiz <EDITITEMTEMPLATE>
A
0v=7
] <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
;plBo%EBV </EDITITEMTEMPLATE>
To}eJ$8*5 </ASP:TEMPLATECOLUMN>
Q 9fK)j1$ /78]u^SW 后台代码
dP?prT protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
fcxg6W' {
<o/!M6^: //改变列的选定,实现全选或全不选。
<l(n)|H1P CheckBox chkExport ;
MA,*$BgZ if( CheckAll.Checked)
9w- )?? {
<3!Al,!ej@ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
)by7[I0v {
vhPlH0 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
yUj`vu2 chkExport.Checked = true;
s3eS` rK- }
UAPd["`)y }
(P`=9+ else
:h5G|^
{
$m;`O_-T foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
b3EGtC}^ {
'y\Je7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
23P&n(. chkExport.Checked = false;
+l^tT&s;f }
5CZyA`3V^5 }
a M9v }
u8T@W}FX uLafO=Q 17.数字格式化
1l$2T
y+
= (IBT|K 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
XjF@kQeM= <%#Container.DataItem("price","{0:¥#,##0.00}")%>
j1KNgAo<4 =B9-}]DDO int i=123456;
5]>*0#C
S string s=i.ToString("###,###.00");
a;t}'GQGk ._^}M<o L 18.日期格式化
0W(mx-[H/ D3cJIVM 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
o>_})WM1[ rw,Ylr:3 显示为: 2004-8-11 19:44:28
])wdd>' @>HTbs6W 我只想要:2004-8-11 】
i+h*<){X <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
iI{L>
<mQXS87 应该如何改?
LP6p i}VF$XN 【格式化日期】
SK
lvZ
_8a;5hS 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
qS#G7~ur>y c`soVqT$? 【日期的验证表达式】
>=[uLY[aK eJ99 W= A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Up{[baWF ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
:D*U4<
/u =..Bh8P71! B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
aOH|[ ^\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]))$
^K;k4oK EY )2, 【大小写转换】
. :Skc HttpUtility.HtmlEncode(string);
j:h}ka/!p HttpUtility.HtmlDecode(string)
sq!$+=1-X mY.v: 19.如何设定全局变量
1Z)Et, iX$G($[l( Global.asax中
G
IN|cv= #B;P4n3 Application_Start()事件中
c,4~zN8Ou -g@!\{ 添加Application[属性名] = xxx;
m<h%BDSzr{ /?eVWCR 就是你的全局变量
iM@$uD$_Q2 Y~AjcqS 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
)O]6dd '{"Rjv7 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
C`hdj/!A eR$@Q 【ASPNETMENU】点击菜单项弹出新窗口
LH5Z@*0# }T@=I&g; 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
&eHRn_st5b <?xml version="1.0" encoding="GB2312"?>
H)Btm <MenuData ImagesBaseURL="images/">
M76p=* <MenuGroup>
5EFt0?G <MenuItem Label="内参信息" URL="Infomation.aspx" >
2#>;cn\ <MenuGroup ID="BBC">
hZx&j{ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
|}z)>E <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
)A\
ZS<@Z7 ......
wXKtQ#o} hq
3n&/ 最好将你的aspnetmenu升级到1.2版
Nap[=[rv vN Bg&m 21.读取DataGrid控件TextBox值
|NuMDVd+s foreach(DataGrid dgi in yourDataGrid.Items)
~[HzGm% {
CRK%^3g TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
<rBW6o7 tb.Text....
(QDKw}O2b }
L,}'ST Cz0FA]-g 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?
+>"s)R43 J8qFdNK 〖思归〗
XwY,xg&o <asp:TemplateColumn HeaderText="数量">
jr=9.=jI8k <ItemTemplate>
&DLWlMGq <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
dH y9
wU onkeyup="javascript:DoCal()"
aKDY_D />
7?*+,Fo# )[ V8YiyU <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Fw 0m(7 </ItemTemplate>
50cVS)hG6d </asp:TemplateColumn>
'^UHY[mX8 0k
(- <asp:TemplateColumn HeaderText="单价">
Fi/iA%, <ItemTemplate>
o-\h;aQJ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
^%r6+ey onkeyup="javascript:DoCal()"
J$#T_4 ) />
24 [KGp YO$Ig:a# <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
/eV)5`V V$?6%\M^* </ItemTemplate>
W/qXQORv </asp:TemplateColumn>
[d`E9&Hv3 KN}#8.'>3 <asp:TemplateColumn HeaderText="金额">
E_
wVAz3 <ItemTemplate>
j%6p:wDl <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
]SQ+r*a </ItemTemplate>
fx;rMGa </asp:TemplateColumn><script language="javascript">
@ap!3o8,9 function DoCal()
dKzG,/1W[m {
M~A#_%2U var e = event.srcElement;
S%iK); var row = e.parentNode.parentNode;
`?z('FV var txts = row.all.tags("INPUT");
Xq? >a+B if (!txts.length || txts.length < 3)
B!wN%>U return;
8,U~ p<Gz !D=! var q = txts[txts.length-3].value;
8 0tA5AP var p = txts[txts.length-2].value;
sY;h~a0n riIubX# if (isNaN(q) || isNaN(p))
0~U#DTx0 return;
\D@j`o Z[#8F&QV!m q = parseInt(q);
Z)7{~xq p = parseFloat(p);
5i[O\@]5 &W45.2 txts[txts.length-1].value = (q * p).toFixed(2);
p:~#(/GWf }
~P\4
N </script>
dla_uXtM6 1CC0]pyHX ?(9*@ =t,oj6P~ hIV9 .{J 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
LeCc`x,5 page_load
3~`P8 9 page.smartNavigation=true
Y/sav; 'gY?=,dF> 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
SY,ns*>1F private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
RdX+:!lD {
tK3$,9+ for(int i=0;i<e.Item.Cells.Count-1;i++)
> "hP if(e.Item.ItemType==ListItemType.EditType)
Ti? "Hr<W {
m6i ,xn e.Item.Cells.Attributes.Add("Width", "80px")
Qsbyy>o) }
hkPMu@BI }
hi(b\ABx 5iw\F!op: 26.对话框
#(tdJ<HvC| private static string ScriptBegin = "<script language=\"JavaScript\">";
z4YDngf=4 private static string ScriptEnd = "</script>";
N3u06 /dCsZA public static void ConfirmMessageBox(string PageTarget,string Content)
~cm4e>o {
$n<1D -0!r string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
-b!?9T?} RvR.t"8 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
#N][-i f#l9rV"@g Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
^&;,n.X5Z ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
K@p9_K8 //Response.Write(strScript);
^]o
H}lwO }
n/v.U,f&l@ q]4h#?.-1v 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
XJo.^<m KpGx<+0p 1.1 取当前年月日时分秒
#ft9ms#N currentTime=System.DateTime.Now;
Qb
{[xmc G8}owszT 1.2 取当前年
vAM1|,U int 年= DateTime.Now.Year;
,u}wW*?,sT 'd
N1~Pa 1.3 取当前月
#w''WOk@ZG int 月= DateTime.Now.Month;
f>Rux1Je4 x_3B) &9 1.4 取当前日
&$XTe2 int 日= DateTime.Now.Day;
?l~qb]._ ;L$-_Z 1.5 取当前时
-7!L]BcZ. int 时= DateTime.Now.Hour;
V?OTP&+J% |M?s[}ll 1.6 取当前分
,=e.QAF!" int 分= DateTime.Now.Minute;
-3ePCAtXbe S:z|"u:+ 1.7 取当前秒
yV`Tw"p int 秒= DateTime.Now.Second;
GJdL1ptc l$5nv5r 1.8 取当前毫秒
]EK(k7nH int 毫秒= DateTime.Now.Millisecond;
.c>6}:ye mx)!] B" 28.自定义分页代码:
%oqKpD+ Ko&4{}/ 先定义变量 :
1V]ws}XW public static int pageCount; //总页面数
GG%;~4#2 public static int curPageIndex=1; //当前页面
P<>NV4 &j~9{ C 下一页:
f@`|2wG if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
/SJ>< {
N4x5!00 DataGrid1.CurrentPageIndex += 1;
8pEA3py curPageIndex+=1;
`Hw][qy# }
[.&JQ r],%:imGr bind(); // DataGrid1数据绑定函数
COsy.$|4 &yP|t":HWX 上一页:
$%$zZJ@/ if(DataGrid1.CurrentPageIndex >0)
;39b.v\^ {
Hya.OW{ DataGrid1.CurrentPageIndex += 1;
^P{y^@XI curPageIndex-=1;
I:t?# )wl }
:^W}$7$T <cZ/_+H%C bind(); // DataGrid1数据绑定函数
>&\.{ aj ?<F([( 直接页面跳转:
&IXmy-w int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
CA|l|
t^ u3Z]!l if(a<DataGrid1.PageCount)
[f:&aS+ {
~rb]u
Ny- this.DataGrid1.CurrentPageIndex=a;
`}`Q qv }
PK|qiu-O&* bLS10^g5 bind();
q0q-Coh> ?Sh"%x 29.DataGrid使用:
)o:sDj`b] 8N)Lck2PR 添加删除确认:
Cgln@Rz private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
G(?1 Urxi {
dfAw\7v/ foreach(DataGridItem di in this.DataGrid1.Items)
l1kHFeq {
<r <{4\%} if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
p5qfv>E8) {
&_]G0~e ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
^X6e\]yj }
iz^a Qx/ }
#*rJI3 }
%7-(c
;ZuHv {= 样式交替:
xtCMK1#
x ListItemType itemType = e.Item.ItemType;
J;<dO7 j5 fn/?I\ if (itemType == ListItemType.Item )
s#<fj#S {
X*MK(aV3 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Z^Um\f e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Z79 6;qk }
u[KxI9Q else if( itemType == ListItemType.AlternatingItem)
>VZxDJ$R {
G0m$bi=z e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
4S*ifl e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
<BT18u\ }
Kn3Xn`P? R`$Y]@i&B 添加一个编号列:
CAx$A[f< DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
W%5))R$ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
s)E8}-v tq,^!RSbZ for(int i=0;i<dt.Rows.Count;i++)
q_^yma {
@C^x&Sjm dt.Rows["number"]=(i+1).ToString();
e}-fGtFx }
*jQ$\|Y >Q<XyAH~ DataGrid1.DataSource=dt;
FO(QsR=\s DataGrid1.DataBind();
%5+X y|+5R5}K DataGrid1中添加一个CheckBox,页面中添加一个全选框
Z # private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
(Z @dz {
)H]L/n foreach(DataGridItem thisitem in DataGrid1.Items)
i._RMl5zg {
Fs~*-R$ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
x>mI$K(6M }
3n)Kzexh }
8mmnnf{P Z" H; t\P 将当前页面中DataGrid1显示的数据全部删除
*tT}N@<% foreach(DataGridItem thisitem in DataGrid1.Items)
PA803R74 {
.7
)oWd! if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
huA?*fat {
x6JV@wA& string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
2gklGDJD Del (strloginid); //删除函数
z&n2JpLY7 }
;X]B0KFe7 }
I)#8}[vK rSt5@f? 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
'hWA&Xx+ x0%m}P/ 在Application_Start中添加以下代码:
@1xVWSF Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
#%ld~dgz- AppSettings["ConnStr"].ToString();
C7R3W, I6;6x 31. 变量.ToString()
yKrbGK*=_ BI%~0Gj8 字符型转换 转为字符串
#"c'eG0 12345.ToString("n"); //生成 12,345.00
rZ+4kf6S 12345.ToString("C"); //生成 ¥12,345.00
e(0cz6 12345.ToString("e"); //生成 1.234500e+004
9[X'9*, 12345.ToString("f4"); //生成 12345.0000
.czUJyFms} 12345.ToString("x"); //生成 3039 (16进制)
*-fd$l. 12345.ToString("p"); //生成 1,234,500.00%
fsK=]~<g {5
pK8 32、变量.Substring(参数1,参数2);
@",#'eC" fQ1j@{Xa 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);
R=a4zVQ 6^J[SQ6P 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)
;{H Dz$ <SCRIPT language="javascript">
{T^D&i# o <!--
bJ
6ivz function gook(pws)
451.VI}MR {
8<0P Ssx frm.submit();
P 0+@,kM }
<]%6x[ //-->
%U}6(~
jK/FzD0- </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
x
~)~v?>T <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
/>8A?+g9u <tr>
"3]}V=L<5 <td>
\ ;]{` <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
toDi70o <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
( sl{Rgxe* <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
u/|@iWK: b'SP,}s5" <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Kv1~,j6 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
zRLJ|ejMP ;CS[Ja>e </td>
QGOkB EpR n,[ </tr>
QPLWRZu@ h]~FYY </form>
aqqo>O3 s re%XaL 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。
Hicd
-' F-o?tU 下面是获取用户输入的登陆信息的代码:
k kD#Bb string name;
f^QC4hf0 name=Request.QueryString["EmailName"];
x.t&NP^V) P}a$#a'! try
am3JzH {
#E=8kbD7 int a=name.IndexOf("@",0,name.Length);
Wz R)R9x] f_user.Value=name.Substring(0,a);
VfJ{);
f_domain.Value=name.Substring(a+1,name.Length-(a+1));
t 3N}): f_pass.Value=Request.QueryString["Psw"];
(i(E~^O }
EI?8/c vvY?8/ catch
5CcX'*P {
` W);+s Script.Alert("错误的邮箱!");
OMmfTlM% Server.Transfer("index.aspx");
; \co{_&D }