1. 打开新的窗口并传送参数:
o%5bg( mN*P2* 传送参数:
X m3t
xp# response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
!T{g& f Z%R%D*f@y 接收参数:
<<1oc{i string a = Request.QueryString("id");
=KZ4:d5 string b = Request.QueryString("id1");
Vel;t<1 u@EM,o 2.为按钮添加对话框
{EUH#': Button1.Attributes.Add("onclick","return confirm(’确认?’)");
IXN4?=)I button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
M5V1j(URE bsry([N>w 3.删除表格选定记录
A!kyga6F5 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Mt Z(\&~ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
QBy*y $ D=>^m=?0 4.删除表格记录警告
+;Gl>$ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
~e+w@ lK {
Q=8
cBRe switch(e.Item.ItemType)
zOOX>3^ {
iFA"m;$ case ListItemType.Item :
*La =7y: case ListItemType.AlternatingItem :
M::iU_ case ListItemType.EditItem:
#0D.37R+k TableCell myTableCell;
hI8C XG myTableCell = e.Item.Cells[14];
2~DPq p[ LinkButton myDeleteButton ;
0mh8. myDeleteButton = (LinkButton)myTableCell.Controls[0];
FudD myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
GvOAs-$ break;
QO.gt*" default:
$rEd5W&d! break;
jZ!JXmVV }
eLny-.i,7 0Y2^}u@5 }
[BBKj)IK F/SsiUBS 5.点击表格行链接另一页
Cpcd`y=IN private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
0AKwZ'
&H {
E3skC%} //点击表格打开
|mmG
s if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
He!!oKK> e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
v`BG1&/| }
cvA\C_ WN#lfn8 7 双击表格连接到另一页
h.;CL#s I uj=d~|> 在itemDataBind事件中
77d`N if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
`Qf
:PX3 {
\cP'#jZz string OrderItemID =e.item.cells[1].Text;
}GDG$QI]K& ...
!nq\x8nU e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
0Zh
_Q }
f](uc(8Z :5{@* 双击表格打开新一页
k)V%.Eobf if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
R?~h7 d {
Z3>xpw G string OrderItemID =e.item.cells[1].Text;
~+egu89'TU ...
jYX9;C;J e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
tC:,!4 P$ }
TrU@mYnE je4&'vyU ★特别注意:【?id=】 处不能为 【?id =】
D!a5#+\C 6.表格超连接列传递参数
q{/Jw"e <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
5Y=\~,%\oH <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
t=rAcyNM U/!&KsnT 7.表格点击改变颜色
_|B&v if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
m`IQ+,e {
gQ[^gPWP" e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
IWo~s this.style.color=’buttontext’;this.style.cursor=’default’;");
BemkCj2
}
"%Ana=cc m%c0#=D 写在DataGrid的_ItemDataBound里
F}(QKO* if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
n
E}<e: {
Ygi1"X} e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
FP'lEp this.style.color=’buttontext’;this.style.cursor=’default’;");
1`]IU_) 1B e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
<-:@} |br }
7EP|X. ]esLAo Gj19KQ1G 8.关于日期格式
a@y5JxFAy +c8AbEewg 日期格式设定
Y\e]2 DataFormatString="{0:yyyy-MM-dd}"
nQ17E{^pR ioNa~F& 我觉得应该在itembound事件中
(}1v^~FXj e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
NTXL>Q*e nH>V Da 9.获取错误信息并到指定页面
uy _i{Y| VNrO(j DUv 不要使用Response.Redirect,而应该使用Server.Transfer
rgdQR^!l6 Eu/y">;v# e.g
72ViPWW // in global.asax
Kq 4<l protected void Application_Error(Object sender, EventArgs e) {
B UQn+;be if (Server.GetLastError() is HttpUnhandledException)
]vQ?]d?>a Server.Transfer("MyErrorPage.aspx");
3V
Mh) CQjZAv
//其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
4m~7 ~- h }
4:Xj-l^D "Z 2Tc) 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
vdT+,x` {jM<t 10.清空Cookie
"bR'Bt Cookie.Expires=[DateTime];
|\%F(d330 Response.Cookies("UserName").Expires = 0
3> \fP#oQ C8qTz".5$ 11.自定义异常处理
x , Vh //自定义异常处理类
{LT4u]# using System;
kV\-%:- using System.Diagnostics;
ri<'-w i ?D(FNd namespace MyAppException
K 5qLBz@U {
<F)w=_%& /// <summary>
5B>Q6 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
jemxky /// 自动将异常内容记录到Windows NT/2000的应用程序日志
6I&j
cHH /// </summary>
aXIB ) $1 public class AppException:System.ApplicationException
o'^;tLs15 {
WHgV_o 8 public AppException()
q)?p$\ {
O+o ;aa6 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
4aN+}TkH@G }
P#[IUXtT 4Hml.|$ public AppException(string message)
OgKWgvy {
<+\k&W&Y|y LogEvent(message);
~TG39*m }
a*6wSAA ) R 5K-KSvW public AppException(string message,Exception innerException)
u%=bHg {
niYz9YX LogEvent(message);
jy!f{dsC if (innerException != null)
Eg`R|CF {
}$|%/Y LogEvent(innerException.Message);
3q#"i& }
z [qdmx^ }
?-8y4
Ex "J P{Q //日志记录类
>HcYVp~G using System;
TwM1M["3 using System.Configuration;
,b6kTQq using System.Diagnostics;
tg7C;rJ using System.IO;
{5QosC+o6Q using System.Text;
H}h~~7E using System.Threading;
0
OAqA?Z M)"]$TM namespace MyEventLog
!K3i-zY {
gH{:`E k7 /// <summary>
n5bXQ /// 事件日志记录类,提供事件日志记录支持
#)_J)/h /// <remarks>
_8[UtZYG /// 定义了4个日志记录方法 (error, warning, info, trace)
^e?$ ]JiA! /// </remarks>
F2bm+0vOJ /// </summary>
e86Aqehle public class ApplicationLog
'bB>$E {
U_x0KIm /// <summary>
J 16=!q() /// 将错误信息记录到Win2000/NT事件日志中
1Q&cVxA"\ /// <param name="message">需要记录的文本信息</param>
tLS<0 /// </summary>
K08 iPIkQ public static void WriteError(String message)
Cq?',QU6j {
_YH<YOrMh WriteLog(TraceLevel.Error, message);
#0P!xZ'|{ }
;JOD!| "H5&3sF2 /// <summary>
a3O nW\N /// 将警告信息记录到Win2000/NT事件日志中
fDU+3b /// <param name="message">需要记录的文本信息</param>
cP*c(k~N /// </summary>
:
cFF public static void WriteWarning(String message)
rD0k%-{{ {
M MAAHo WriteLog(TraceLevel.Warning, message);
?_VRfeztw }
*he7BUO #04{(G|~+E /// <summary>
,'FD}yw4v /// 将提示信息记录到Win2000/NT事件日志中
$Q8P@L)[ /// <param name="message">需要记录的文本信息</param>
k(zs>kiP /// </summary>
GhqgRzX public static void WriteInfo(String message)
*-9# /Cp {
T$H2'tK| WriteLog(TraceLevel.Info, message);
rGTWcJ }
3AvVU]@&Z@ /// <summary>
PqT"jOF]n /// 将跟踪信息记录到Win2000/NT事件日志中
0fnZR$PB /// <param name="message">需要记录的文本信息</param>
} c{Fa& /// </summary>
=a?a@+ public static void WriteTrace(String message)
':,>eL#+uV {
5Xwk*@t2a WriteLog(TraceLevel.Verbose, message);
3%XG@OgP }
^pJ0nY#c {B@*DQv /// <summary>
.=Pm>o/, /// 格式化记录到事件日志的文本信息格式
UUl*f!&
o /// <param name="ex">需要格式化的异常对象</param>
jEZ
" /// <param name="catchInfo">异常信息标题字符串.</param>
&nQRa?3,
/// <retvalue>
*I=_*LoG2 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
-"F0eV+y /// </retvalue>
8dc538:q} /// </summary>
_kh>Z public static String FormatException(Exception ex, String catchInfo)
BiA>QQ {
De;, =BSp StringBuilder strBuilder = new StringBuilder();
(tJ91SBl if (catchInfo != String.Empty)
Qn*6D {
[/?c@N, strBuilder.Append(catchInfo).Append("\r\n");
v-ThdE$G# }
^[en3aQ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
6/|U return strBuilder.ToString();
q;p.wEbr4U }
rW[SU: 'yE*|Sx
/// <summary>
`/c7h16 /// 实际事件日志写入方法
-dg} BM /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
yHl@_rN
sC /// <param name="messageText">要记录的文本.</param>
M6\7FP6G /// </summary>
@|^jq private static void WriteLog(TraceLevel level, String messageText)
Z%Vr+)!4 {
?hKm&B;d try
6%>/og\% {
_~ v-:w EventLogEntryType LogEntryType;
w-lrnjs switch (level)
^Ss<X}es- {
!@( M_Z' case TraceLevel.Error:
77``8, LogEntryType = EventLogEntryType.Error;
6!Qknk$ break;
YQ52~M0L case TraceLevel.Warning:
o1U}/y+R\ LogEntryType = EventLogEntryType.Warning;
w.tW=z5 break;
>
9o{(j case TraceLevel.Info:
j?( c}!} LogEntryType = EventLogEntryType.Information;
?J<T break;
n9DbiL1{ case TraceLevel.Verbose:
i9KTX%s5^ LogEntryType = EventLogEntryType.SuccessAudit;
Ga.0Io&}C break;
{h,_"g\V default:
[1<(VyJ}ye LogEntryType = EventLogEntryType.SuccessAudit;
02,W~+d1 break;
&uPDZ#C- }
dnix:'D1 6zuze0ud EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
k'x#t( //写入事件日志
D
0 eventLog.WriteEntry(messageText, LogEntryType);
HQl~Dh0DJ I:nI6gF }
WI6(#8^p catch {} //忽略任何异常
>ZX|4U[$P }
jSB'>m] } //class ApplicationLog
1ADv?+j)A/ }
^L ]B5,}- N^lAG"Jao[ 12.Panel 横向滚动,纵向自动扩展
wajZqC2yg <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
4x(F&0 bhn5Lz$z 13.回车转换成Tab
o,J^ e_ <script language="javascript" for="document" event="onkeydown">
{(%~i37 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
!\ZcOk2 event.keyCode=9;
( :iPm< </script>
J=@xAVBc |f<9miNu onkeydown="if(event.keyCode==13) event.keyCode=9"
r( M[8@Nz rfX=*mjt 14.DataGrid超级连接列
e^=NL>V6p DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
g*F~8+]Y Y!M~#oqio 15.DataGrid行随鼠标变色
Mo_$b8i private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
bTiBmS {
>d97l&W if (e.Item.ItemType!=ListItemType.Header)
J)#S-ZB+'k {
ac|/Y$\w e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
.wD>Gs{sH[ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
4j^bpfb, }
l:)S 3 }
bfhz?,b x df?nt 16.模板列
7x(v? <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
.D!WO <ITEMTEMPLATE>
w]}f6VlEl <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
^(DL+r, </ITEMTEMPLATE>
PGkCOmq </ASP:TEMPLATECOLUMN>
C;ptir1G; JDKLKHOMZ <ASP:TEMPLATECOLUMN headertext="选中">
Ts#pUoE~+H <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Wa<-AZnh <ITEMTEMPLATE>
9ZhDZ~)p, <ASP:CHECKBOX id="chkExport" runat="server" />
gX_SKy </ITEMTEMPLATE>
]hL:33 <EDITITEMTEMPLATE>
F*,5\s< <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
a5)JkC </EDITITEMTEMPLATE>
1U'ZVJ5bpK </ASP:TEMPLATECOLUMN>
>C*4_J7 {l@WCR 后台代码
n_}aZB3;U protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
%XR<isn {
~TM>"eB b //改变列的选定,实现全选或全不选。
-zdmr"CA CheckBox chkExport ;
PV(4$I} if( CheckAll.Checked)
z-I|h~ii {
hVkO%]? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
oBC]UL;8xJ {
s*.3ZS5 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
/e(W8aszi chkExport.Checked = true;
AX K95eS }
(7~%B" }
cf\&No?-p else
G1/Gq.< {
Fo(y7$33* foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
uRpBeH]Z" {
S}b~_} chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
6uqUiRs() chkExport.Checked = false;
HD H }
lCHo+>\Z }
a5 bPEJ=I }
Cdmy.gx^ :]-$dEu& 17.数字格式化
ly=a>}F_ H#`8Ey 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
#N$9u"8C <%#Container.DataItem("price","{0:¥#,##0.00}")%>
c;^A)_/ {!r#f(?uT int i=123456;
_ ~[M+IO
string s=i.ToString("###,###.00");
1fR P1 )(]Envb?A0 18.日期格式化
`,P
>mp)uU #QS?s8IrW 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
C99&L3bz^( %{"dP%|w4} 显示为: 2004-8-11 19:44:28
kIX)oD}c 86qcf"?E 我只想要:2004-8-11 】
3daC;;XO <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
/?U!y?t&@ b` zET^F 应该如何改?
{mf.!Xev }^ ,q#' 【格式化日期】
=JxFp,
Xr O"iak 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
>jKjh!`)!e (0}j]p'w 【日期的验证表达式】
#D0 ~{H `O
n(v A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
*uU4^E( ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
^cn@?k((A ]!faA\1 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
]'UgZsJ ^\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]))$
N|<bVq% ^vaL8+ 【大小写转换】
JqSr[q HttpUtility.HtmlEncode(string);
shzG
Eb HttpUtility.HtmlDecode(string)
- wWRm vpV$$=Qwp 19.如何设定全局变量
2vvh|?M 7>&1nBh. f Global.asax中
'$6PTa Qi^;1& Application_Start()事件中
IM]h*YV' *IqVY& 添加Application[属性名] = xxx;
/ao<A\KR ZPvf-PqJl 就是你的全局变量
)#PtV~64 L#!$hq9{_ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
{G%3*=?,j GMe0;StT HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
r&Qt_ K"^cq~ 【ASPNETMENU】点击菜单项弹出新窗口
f:XfAH3R{ hLo>R'@uN 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
C=yD3mVz <?xml version="1.0" encoding="GB2312"?>
z{/LX
\ <MenuData ImagesBaseURL="images/">
Oq}ip <MenuGroup>
b}}y=zO|$ <MenuItem Label="内参信息" URL="Infomation.aspx" >
-%i#j> <MenuGroup ID="BBC">
m_$JWv\|\ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
~b#OFnyG <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
"qE {a>d ......
0O[l?e4,8{ j-6v2MH 最好将你的aspnetmenu升级到1.2版
DyIV/ ?b"Vj+1:x 21.读取DataGrid控件TextBox值
-O %[!&` foreach(DataGrid dgi in yourDataGrid.Items)
C#h76fpH {
kfRJ\"`
TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
|
+fwvi&a tb.Text....
#\<P]<C }
O{nC^`X >Zo-wYG 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
|,{+;: Yw1Y-M 〖思归〗
CC>($k" <asp:TemplateColumn HeaderText="数量">
W8VO)3nmD <ItemTemplate>
H) cQO?B <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
=EWD
|< onkeyup="javascript:DoCal()"
{zu/tCq? />
%UBPoq }H; ]k-) <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
]| z")gOE </ItemTemplate>
\QiqcD9Y </asp:TemplateColumn>
3<3t;&e soDfi-2o3 <asp:TemplateColumn HeaderText="单价">
Lg b <ItemTemplate>
.T{U^0 ) <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
g4Bg6<; onkeyup="javascript:DoCal()"
PB@-U.Z />
t:disL&!E D"'#one <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
i6F P[6H1 @YsL*zw </ItemTemplate>
r&=r/k2 </asp:TemplateColumn>
^&HI+M ?nY/, q& <asp:TemplateColumn HeaderText="金额">
$sM]BE: <ItemTemplate>
(a,6a <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
>|(WS.n 3C </ItemTemplate>
%$^$'6\77 </asp:TemplateColumn><script language="javascript">
fq{I$syY function DoCal()
2AmR(vVa" {
}WoX9M; 1 var e = event.srcElement;
8`6
LMQ var row = e.parentNode.parentNode;
L-SdQTx_ var txts = row.all.tags("INPUT");
]2g5Ka[>w if (!txts.length || txts.length < 3)
W%w82@' return;
7~:>WMv9 Kgps_tY% var q = txts[txts.length-3].value;
Gtf1}UJC var p = txts[txts.length-2].value;
gr[D!D> i;gw=Be if (isNaN(q) || isNaN(p))
-g~iE]x6Y return;
VB}P Ng s9=pV4fA~w q = parseInt(q);
+h9`I/R p = parseFloat(p);
MV7} S".owe$\ txts[txts.length-1].value = (q * p).toFixed(2);
YstXNN4 }
bl6':m+ </script>
!:&2+% S`iM.;|`O nsy!p5o CdE2w?1 nvw NjN 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
yZQ1]
'^31 page_load
l[:^TfB page.smartNavigation=true
jD$;q7fB |P^ikx6f5 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 ?
1V#B]x: private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
rAtai}Lx {
w}fqs/)w for(int i=0;i<e.Item.Cells.Count-1;i++)
"~B~{ _<j if(e.Item.ItemType==ListItemType.EditType)
^Jc$BMaVg {
}Z<D^Z~w e.Item.Cells.Attributes.Add("Width", "80px")
r@\,VD6J }
g4?Q.'dZr }
]KfghRUH A632 :V 26.对话框
&:IfhS private static string ScriptBegin = "<script language=\"JavaScript\">";
jqV)V> M. private static string ScriptEnd = "</script>";
}S1Z>ZA5 O(b"F?
w public static void ConfirmMessageBox(string PageTarget,string Content)
] `b<" {
[J(@$Qix string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
o%y+Y;|?J bL6L-S ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
,K"r:)\ {b\Y?t^>f Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
PTfN+ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
e<&_tx //Response.Write(strScript);
o;Hd W }
Y0R\u\b &6=TtTp"9 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
TPV6$a < LbLbJ{68 1.1 取当前年月日时分秒
`Pz!SJ| currentTime=System.DateTime.Now;
I_R5\l}O+D )eIz{Mdp= 1.2 取当前年
rF
<iWM= int 年= DateTime.Now.Year;
zM3H@;}m ][T9IAn 1.3 取当前月
%tklup]LF8 int 月= DateTime.Now.Month;
t6! p\Y}} qkZ5+2m 1.4 取当前日
,Yiq$Z{qQ int 日= DateTime.Now.Day;
<
|]i +qu@dU0\`| 1.5 取当前时
f6(9wz$Trt int 时= DateTime.Now.Hour;
q_%w
l5\F -Lz1#S k]A 1.6 取当前分
^HOwN<}`# int 分= DateTime.Now.Minute;
XQ+-+CD |{}d5Z"5;} 1.7 取当前秒
}(vOaD|k= int 秒= DateTime.Now.Second;
lL(}dbT~N ZQJw2LA gO 1.8 取当前毫秒
qAuUe=w%p int 毫秒= DateTime.Now.Millisecond;
hz>yv@1 7kWZMi 28.自定义分页代码:
eF gb6dSh 3qV>TE]6, 先定义变量 :
l yLK$B?/ public static int pageCount; //总页面数
$O8EiC!f6 public static int curPageIndex=1; //当前页面
$HR(|{piZ "cz]bCr8 下一页:
Hi4@!] if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
%l]rQjV- {
u0 'pR#
m| DataGrid1.CurrentPageIndex += 1;
* zJiii curPageIndex+=1;
8t^;O! }
Hhce:E@K *|.yX%"k bind(); // DataGrid1数据绑定函数
zxynEdO V=8{CmqT 上一页:
&&QDEDszp if(DataGrid1.CurrentPageIndex >0)
zWR*g/i {
S92!jp/ DataGrid1.CurrentPageIndex += 1;
w1!\L_::Y curPageIndex-=1;
$BO}D }
(w7cdqe (^@;`8Dy8 bind(); // DataGrid1数据绑定函数
E )Zd{9A5) L^ jC&
dF 直接页面跳转:
;] `NR int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
\5L 4* 6[Pr<4J if(a<DataGrid1.PageCount)
5F_:[H =
{
4@V <Suw this.DataGrid1.CurrentPageIndex=a;
W2o8Fu }
M6 >\R$ .qU%SmQ^ bind();
gV.Pg[[1 #}]il0d 29.DataGrid使用:
'/"M02a Tk@g9\6O9 添加删除确认:
|(8Hk@\CT> private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
kpMM%"=V {
4 >tYMyLt0 foreach(DataGridItem di in this.DataGrid1.Items)
]e3}9. {
+M%2m3.Jo if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
/
)u,Oa {
#,9TJ:~N ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
OQb9ijLeK }
vYm&AD }
l?<z1Acd& }
kAF}*&Kzd~ ZCF-*nm 样式交替:
oP`M\KXau ListItemType itemType = e.Item.ItemType;
+Q#Qu0_
O?J:+L( if (itemType == ListItemType.Item )
>mDubP {
HkB<RsS$p_ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
GpQF* x e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
vgp%;-p( }
Z1lF[d,f; else if( itemType == ListItemType.AlternatingItem)
O)Dw<j) {
~ai'
M# e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Y/I6.K3 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
"}aM*(l+\ }
t4c#' y scEQDV 添加一个编号列:
=sVt8FWGY DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
/{)cI^9 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
kxf=%<l 3kQ8*S for(int i=0;i<dt.Rows.Count;i++)
BiCa " {
l5nDt$Ex dt.Rows["number"]=(i+1).ToString();
M{RZ-)IC }
xVX||rrh \ OINzfbr DataGrid1.DataSource=dt;
;<R_j%* DataGrid1.DataBind();
3s$.l} z(68^-V=: DataGrid1中添加一个CheckBox,页面中添加一个全选框
1)r _h( private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
?bDae%>.d, {
0\^2HjsJ foreach(DataGridItem thisitem in DataGrid1.Items)
ryLNMh {
!T(Omve) ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
O!Cu.9} }
2,nCGSfc }
^#nWgo7{7 {S(T1ua 将当前页面中DataGrid1显示的数据全部删除
,w>?N\w!} foreach(DataGridItem thisitem in DataGrid1.Items)
,WK$jHG] {
z5'nS&x if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
-s "$I:v {
eakIK+-21y string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
4ux5G`oL Del (strloginid); //删除函数
bj{f[nZ d }
Mwk_SCy }
rL"k-5>fd !\4FIs&Qv 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
=@ `:O.g9 在Application_Start中添加以下代码:
uNBhVsM6< Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
dF]8>jBOL AppSettings["ConnStr"].ToString();
N)Kr4GC 2=+ ,jX{ 31. 变量.ToString()
X6 cb#s0| H;&t"Ql. 字符型转换 转为字符串
.w)t<7 y 12345.ToString("n"); //生成 12,345.00
TvwIro 12345.ToString("C"); //生成 ¥12,345.00
:!hH`l}p 12345.ToString("e"); //生成 1.234500e+004
!S{<Xc'wv 12345.ToString("f4"); //生成 12345.0000
!WnI` 12345.ToString("x"); //生成 3039 (16进制)
?\r3
_ 12345.ToString("p"); //生成 1,234,500.00%
}`FPe 7?] p\` 32、变量.Substring(参数1,参数2);
ob
#XKL 9%6`ZS~3 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
X
jN.X Q6>( Z 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
#::vMnT <SCRIPT language="javascript">
hZJqo + s <!--
ZW%`G@d"H- function gook(pws)
"ukbqdKD {
D*,H%xA frm.submit();
o-=lH tR }
WQL`;uIX //-->
h]P$L> mX_`rvYII </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
jXZNr <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Z.JTq~`I <tr>
KZNyp%q <td>
/d'u1FnA= <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
`I$A;OPK7 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
=1capix 1r <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
$0t
%}DE TKX# / <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
^+<uHd> <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
@eWx4bl i-b7 </td>
)`-]nMc $)V4Eu; </tr>
-2_$zk*n zPYa@0I
</form>
?2;G_P+ 0f1#TgX 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。
X9HI@M]h OpQa! 下面是获取用户输入的登陆信息的代码:
IIZsN*^ string name;
oMbCljUC name=Request.QueryString["EmailName"];
rg~CF< Xv:IbM>
Qc try
wBET.l'd {
i|mA/
e3b int a=name.IndexOf("@",0,name.Length);
&EOh}O< f_user.Value=name.Substring(0,a);
Ui&$/%Z| f_domain.Value=name.Substring(a+1,name.Length-(a+1));
X;NTz75 f_pass.Value=Request.QueryString["Psw"];
%Z4=3?5B"9 }
6wgOmyJx Y)`+u#`
R catch
f14c}YY {
}^q#0`e(y Script.Alert("错误的邮箱!");
$Vzfhj-if Server.Transfer("index.aspx");
Y')+/<Q2E }