1. 打开新的窗口并传送参数:
9|>y[i jj `0w@ 传送参数:
T2W^4) response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
-=rGN"(M
_ /s)It 接收参数:
)`5-rm~* string a = Request.QueryString("id");
D//58z& string b = Request.QueryString("id1");
ZQz;EV! {XhpxJ__ 2.为按钮添加对话框
!5m~qet. Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Dh{P23} button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
]6=opvm g+.E=Ef8<4 3.删除表格选定记录
aM[fag$c int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
cEJ_z(\=hr string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
F r2
+p =|- xj h 4.删除表格记录警告
3kJSz-_M private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
jAt65a {
`b@"GOr switch(e.Item.ItemType)
`~=Is.V[ {
S9/\L6Rmf case ListItemType.Item :
DML0paOm5 case ListItemType.AlternatingItem :
8^-g yx' case ListItemType.EditItem:
9D%~~~
%b TableCell myTableCell;
!})3Fb myTableCell = e.Item.Cells[14];
I$i1o#H LinkButton myDeleteButton ;
Pt;\]?LVrD myDeleteButton = (LinkButton)myTableCell.Controls[0];
mW_A3S5 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Q%GLT,f1. break;
1nLFtiki default:
f'Xz4; break;
^n]?!BdU }
SLd9-N}T Ke&fTK }
nDchLVw gY=+G6;=< 5.点击表格行链接另一页
6d 8n1_ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
N)z]
F9Kg {
Q([g1?F9* //点击表格打开
v#IZSBvuQK if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8>:2li e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
HoM8V"8B }
Q;1$gImFz }Ty_} 6a5 双击表格连接到另一页
9>@"W- 1G8t=IA%D 在itemDataBind事件中
n_] OYG>U if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
|om3* ]7 {
QaEXk5>e string OrderItemID =e.item.cells[1].Text;
KQqQ@D&n ...
naB[0I&
N e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
=WP}RZ{S }
WHF:>0B 2,%ne ( 双击表格打开新一页
s*}d`"YvH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?at~il$z' {
PsD]gN5" string OrderItemID =e.item.cells[1].Text;
R?\8SdJ ...
Un[#zh<4 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
8c$IsvJg }
&l|B>{4v 9zd)[4%= ★特别注意:【?id=】 处不能为 【?id =】
(C QgT3V 6.表格超连接列传递参数
IPE( <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
55N/[{[ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
AB#hhi# 3vs2}IV' 7.表格点击改变颜色
K<_H`k*x if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
<$9AP {
X!_OOfueP8 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
vqxTf)ys this.style.color=’buttontext’;this.style.cursor=’default’;");
n#]G!7 }
`0 F"zu %BHq2~J 写在DataGrid的_ItemDataBound里
DwTZ<H4 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
p-/x Md {
L_Ai/' e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Ri-wbYFaP this.style.color=’buttontext’;this.style.cursor=’default’;");
z?YGE iR/} e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
T
+4!g|Y }
i|d41u;@ X:g5>is| y.oJzU[p% 8.关于日期格式
I2l'y8)d a+BA~|u^ 日期格式设定
{k]VT4/ DataFormatString="{0:yyyy-MM-dd}"
!kKKJ~,; \1B*iW 我觉得应该在itembound事件中
y! 1NS e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
P?uKDON (c*Dvpo1 9.获取错误信息并到指定页面
YvHn~gNPhs )*JTxMQ 不要使用Response.Redirect,而应该使用Server.Transfer
;~q)^.K3 O@Kr}8^, e.g
IH0^*f // in global.asax
9VY_gi=vL protected void Application_Error(Object sender, EventArgs e) {
#5I "M WA if (Server.GetLastError() is HttpUnhandledException)
t[
MRyi)LF Server.Transfer("MyErrorPage.aspx");
`4p9K vA{[F7 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
u1kbWbHu( }
[E /3&3 Mo<p+*8u: Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
ffhD+-gTU nz&JG~Qfm 10.清空Cookie
Yr,1##u Cookie.Expires=[DateTime];
^~ I Response.Cookies("UserName").Expires = 0
K^vMIo h wLbnsqa 11.自定义异常处理
MdfkC6P //自定义异常处理类
6a!X`%N= using System;
Zj0&/S using System.Diagnostics;
fjJIF% ,J#5Y. namespace MyAppException
x[kdQj2[& {
7I
/// <summary>
8vP)qy8 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
ljCgIfZ_4 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
?0<3"2Db~ /// </summary>
t|DYz#] public class AppException:System.ApplicationException
=w5w=qB {
rYqvG public AppException()
2g v(`NKYE {
hv)($; if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
&Gt9a-ne }
+Snjb0 , $=V public AppException(string message)
!14z4]b {
j?(QieBH LogEvent(message);
fe$WR~ }
),Rj@52l *dl@)~i public AppException(string message,Exception innerException)
,O+7nByi[V {
] ge-b\ LogEvent(message);
`F@yZ4L3S if (innerException != null)
\3/9lE|gh {
Pg36'aTe%j LogEvent(innerException.Message);
lo#,zd~ }
>JMKEHl.q }
xVPGlU I|:j~EY //日志记录类
BkF[nL*| using System;
G~Sfpf using System.Configuration;
~eP2PG using System.Diagnostics;
td~3N,S using System.IO;
#]'xUgcE9 using System.Text;
cG'Wh@ using System.Threading;
Ww~0k!8,t `xr%LsNn namespace MyEventLog
4SrK]+| {
^s*} 0 /// <summary>
VGq]id{*$ /// 事件日志记录类,提供事件日志记录支持
.wSAysiQ|P /// <remarks>
v>5F[0gE /// 定义了4个日志记录方法 (error, warning, info, trace)
B+LNDnjO] /// </remarks>
V_kE"W) /// </summary>
Y4O L 82Y public class ApplicationLog
jj2UUQ| {
4Ojw&ys@V /// <summary>
.%A2 /// 将错误信息记录到Win2000/NT事件日志中
\v_C7R;& /// <param name="message">需要记录的文本信息</param>
SJ-Sac58r /// </summary>
]lY9[~
v public static void WriteError(String message)
`<n:D`{dZ {
`dZ|}4[1 WriteLog(TraceLevel.Error, message);
\zUsHK?L"t }
NC}#P<U u|c+w)a /// <summary>
v(O.GhJ@ /// 将警告信息记录到Win2000/NT事件日志中
;=OH=+Rl /// <param name="message">需要记录的文本信息</param>
=.c"&,c?L /// </summary>
~e<<aTwN public static void WriteWarning(String message)
| |=Duk {
Ln|${c WriteLog(TraceLevel.Warning, message);
K;PpS*! }
M=A9ax >e ;f{ /// <summary>
O~el2 /// 将提示信息记录到Win2000/NT事件日志中
I1~g?jpH /// <param name="message">需要记录的文本信息</param>
bRK9Qt#3 /// </summary>
O)R0,OPb public static void WriteInfo(String message)
F?kVW[h?q {
@El<"\ WriteLog(TraceLevel.Info, message);
*@nUas2" }
xJhbGK /// <summary>
`,Gk1~Wv /// 将跟踪信息记录到Win2000/NT事件日志中
]N_^{k, /// <param name="message">需要记录的文本信息</param>
vp@+wh]# /// </summary>
=*Xf(mh c public static void WriteTrace(String message)
v3Yj2LSqx {
bB-v ar WriteLog(TraceLevel.Verbose, message);
3#[I_ }
MV}]i@V t^5_;sJQ /// <summary>
p/~kw:I /// 格式化记录到事件日志的文本信息格式
6pR#z@, /// <param name="ex">需要格式化的异常对象</param>
$@)d9u
cd /// <param name="catchInfo">异常信息标题字符串.</param>
HV.7IyBA^ /// <retvalue>
#8jd,I%L /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
3)a29uc:U /// </retvalue>
DG=Ap:sl*$ /// </summary>
}i:'f2/ public static String FormatException(Exception ex, String catchInfo)
0)!zhO_} {
,be?GAq StringBuilder strBuilder = new StringBuilder();
,m,vo_Ub if (catchInfo != String.Empty)
(xed(uFEK {
C5UDez strBuilder.Append(catchInfo).Append("\r\n");
_4$DnQ6& }
;g
jp&g9Q strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
6,1|y%(f return strBuilder.ToString();
C6~dN&q }
/p0LtUMu I:<R@V<~# /// <summary>
m=B0!Z1xx /// 实际事件日志写入方法
?y)X $D^ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
9K<a}QJP /// <param name="messageText">要记录的文本.</param>
FOi`TZ8 /// </summary>
;r"B?] JO private static void WriteLog(TraceLevel level, String messageText)
em}Qv3*# {
J
*?_SnZ try
Vz]=J;`Mz {
5i#w:O\cz EventLogEntryType LogEntryType;
j:3Hm0W3 switch (level)
h+D=/:B {
u$8MVP case TraceLevel.Error:
Cl!jK^AbG LogEntryType = EventLogEntryType.Error;
wtS*w break;
,&]`
b#Rc case TraceLevel.Warning:
CJ LogEntryType = EventLogEntryType.Warning;
t}*!UixE break;
/8\&f%E case TraceLevel.Info:
+Uq:sfj, LogEntryType = EventLogEntryType.Information;
`r(J6,O break;
/ASI0h case TraceLevel.Verbose:
oH0F9*+W LogEntryType = EventLogEntryType.SuccessAudit;
3G|fo4g break;
z
5+]Z a~ default:
LW5ggU/ LogEntryType = EventLogEntryType.SuccessAudit;
$]J IA| break;
Gw^=kzh }
F5P{+z7 D
;$+] 2 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
Zb;$ZUWQX //写入事件日志
3>)BI(Wl eventLog.WriteEntry(messageText, LogEntryType);
Lu.tRZ`$38 $i~`vu* }
y/hvH"f catch {} //忽略任何异常
v=1S }
AiK4t- } //class ApplicationLog
BrMp_M }
#-j!
;? B-'BJ|*4I 12.Panel 横向滚动,纵向自动扩展
_4B iF?1 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
n@[</E( W r7e_ 13.回车转换成Tab
_kX/LR"L+ <script language="javascript" for="document" event="onkeydown">
5XO'OSdYq if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
eAKQR event.keyCode=9;
!&p:=}s </script>
}IkEyJsk h_GBx|c onkeydown="if(event.keyCode==13) event.keyCode=9"
{eN{Zh5" FKnQwX.0 14.DataGrid超级连接列
VQjFEJ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
1";e'?^x C+m^Z[ 15.DataGrid行随鼠标变色
)Q/`o,Vm private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
y"p-8RVk{ {
B\>}X_\4 if (e.Item.ItemType!=ListItemType.Header)
l'".}6S {
QYw4kD} e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
>E ;o" e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
edk9Qd9 }
8;f<q u|w }
PG[O?l o\;"|O} 16.模板列
`yXx[deY <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
dQ`ZrWd_U <ITEMTEMPLATE>
ieRBD6_ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
G:C6`uiy` </ITEMTEMPLATE>
8kM0
</ASP:TEMPLATECOLUMN>
"|r^l s1 ^mk] <ASP:TEMPLATECOLUMN headertext="选中">
pjs9b%. <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
c0Ro3j\p <ITEMTEMPLATE>
G|oB'~{& <ASP:CHECKBOX id="chkExport" runat="server" />
&\lS </ITEMTEMPLATE>
-L3
|9k
<EDITITEMTEMPLATE>
bW.zxQ: <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
*
r4/|.l </EDITITEMTEMPLATE>
;4v}0N~. </ASP:TEMPLATECOLUMN>
P9mxY*K)%5 K(KP3Q 后台代码
5J\|gZQF protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
r2F {
Fif^V //改变列的选定,实现全选或全不选。
})Mv9~&S CheckBox chkExport ;
Dw/Gha/ if( CheckAll.Checked)
\R>5F\ 0 {
Vt)\[Tl~ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
2{]S_. zV {
*5_8\7d chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
y_4krY|Zx chkExport.Checked = true;
#JR ,C
-w }
&c?hJ8" }
Ed0>R<jR9 else
q|$>H6H4b {
W*rU,F|9 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Q'Kik5I {
6|>\&Y!Q chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
9H, &nET chkExport.Checked = false;
CBnouKc: }
.Lr)~ }
G<^]0`"+)t }
:UDn^(# cYWy\+ 17.数字格式化
OQL09u
b~Pxgfu" 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
:Nj`_2 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
h;ol" *v
nxP9< int i=123456;
Rp`_Grcd string s=i.ToString("###,###.00");
Fx[A8G rq(~/Yc 18.日期格式化
,[}yf#8@J c<h!QnJ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Gz[ymj)5 Y0u'@l_[F 显示为: 2004-8-11 19:44:28
7fW=5wc )Rhf f$ 我只想要:2004-8-11 】
n@07$lY@; <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
T:g4D z*2\ X!#i@V 应该如何改?
ss0'GfP
A?;8%00 【格式化日期】
[N95.aD S-LZ(o{ZL 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
SC
$` >SxZ9T|% 【日期的验证表达式】
@X|i@{<'; igj={==m A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
oF@x]bmU ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
ULNAH`{D DNW2;i<hsz B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Ub'%pU ^\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]))$
^`jZKh8)h #[U9(44, 【大小写转换】
fr'huvc HttpUtility.HtmlEncode(string);
Hr<C2p^a HttpUtility.HtmlDecode(string)
-wfRR>)d @( n^S?( 19.如何设定全局变量
16[-3cJ T `Ge +(1x Global.asax中
^QXw[th!d
zOiY0`= Application_Start()事件中
/\-2l+y>J ;la#Vf:] 添加Application[属性名] = xxx;
s7.p$r FfYd+]+? 就是你的全局变量
8R)D ! 7[l 3m43nJ.~ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
"'F;lzq <nb3~z1 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
$p0 /6c DD@)z0W 【ASPNETMENU】点击菜单项弹出新窗口
O+E1M=R6h aucZJjH 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
S[L#M;n <?xml version="1.0" encoding="GB2312"?>
%CxEZPe$ <MenuData ImagesBaseURL="images/">
sMz^!RX@ <MenuGroup>
?}=-eJ(7e <MenuItem Label="内参信息" URL="Infomation.aspx" >
dDqr
B-G <MenuGroup ID="BBC">
*1Ut} <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
W8G9rB|T <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
MS st ......
b@2Cll# C?w<$DU 最好将你的aspnetmenu升级到1.2版
&$b\= TDAWI_83- 21.读取DataGrid控件TextBox值
t":W.q< foreach(DataGrid dgi in yourDataGrid.Items)
%K%^ ]{ {
q?imE ~&U TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
r)6uX tb.Text....
|%'6f}fnE }
"+n4 c' _}I(U?Q-C 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?
H:q )^$s a@fE46o6< 〖思归〗
J7'f@X~nM <asp:TemplateColumn HeaderText="数量">
X!7VyE+n <ItemTemplate>
] Wx>)LT <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
IP30y>\ onkeyup="javascript:DoCal()"
S]e j=6SP />
d)04;[= fjIcB+Z <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
_e?q4>B)c </ItemTemplate>
>Lw}KO` </asp:TemplateColumn>
\);.0 VX^o"9Ntl <asp:TemplateColumn HeaderText="单价">
p{ @CoOn <ItemTemplate>
mVv\bl?< <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
G}!7tU onkeyup="javascript:DoCal()"
6o=qJ`m[? />
xH_A@hf; ,&.W6sW <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Z0[)u_< )%iRZ\`f </ItemTemplate>
F>~ xzc </asp:TemplateColumn>
JkSdLj yaH
Trh% <asp:TemplateColumn HeaderText="金额">
-ajM5S=d* <ItemTemplate>
G3RrjWtO <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
dSOlD/c
</ItemTemplate>
6X@mPj[/ </asp:TemplateColumn><script language="javascript">
M11"<3]D function DoCal()
] vC=.&] {
\C]i|]tl var e = event.srcElement;
H+4=|mkQ var row = e.parentNode.parentNode;
_\
. var txts = row.all.tags("INPUT");
<u/a`E? if (!txts.length || txts.length < 3)
_4P;+Y return;
Q7,EY / xn(+G$m var q = txts[txts.length-3].value;
H-eEhI(;O var p = txts[txts.length-2].value;
u.Mqj"o\ c%|vUAq* if (isNaN(q) || isNaN(p))
cI*KRCU return;
)Vwj9WD UI!6aVL. q = parseInt(q);
_ Ry_K3K p = parseFloat(p);
%&^Q(f 6m4Te| txts[txts.length-1].value = (q * p).toFixed(2);
rr |"r }
j~M#Ss-H8 </script>
I3Lg?bZ \\=.6cg<K 6(>3P s~S?D{! NTqo`VWe 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。
[f<"p[ page_load
q1YLq(e page.smartNavigation=true
oi7
3YOB c]A
Y 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 ?
M'yO+bu private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
blJIto' {
MV%Xhfk for(int i=0;i<e.Item.Cells.Count-1;i++)
p/r~n'g$ if(e.Item.ItemType==ListItemType.EditType)
{mNdL J {
"XCU'_k= e.Item.Cells.Attributes.Add("Width", "80px")
}qer }
{IJ-4> }
C&=x3Cz BjM+0[HC 26.对话框
}o-|8P:Y private static string ScriptBegin = "<script language=\"JavaScript\">";
`vudS? private static string ScriptEnd = "</script>";
+'-rTi\ "Dyym<J public static void ConfirmMessageBox(string PageTarget,string Content)
@ru<4`h {
|2z}Xm5\ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
{tPnj_|n< m"n.Dz/S ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
\CcmePTN#x >G]? Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
i-`,/e~XT ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
)))2fskZ //Response.Write(strScript);
#nKRTb+{ }
g^1r0.Sp{8 AlO,o[0 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
YU&4yk lE Ig<}dM.Z[ 1.1 取当前年月日时分秒
'<TD6jBs currentTime=System.DateTime.Now;
Q~phGD3!~ }/20%fP 1.2 取当前年
d+tj%7 int 年= DateTime.Now.Year;
0f1H8zV P*0f~eu 1.3 取当前月
`%|u! int 月= DateTime.Now.Month;
9hy'DcSy, XM$GQn]B 1.4 取当前日
;v_ls)_,- int 日= DateTime.Now.Day;
u=%y o~= iy 1.5 取当前时
s3seK6x' int 时= DateTime.Now.Hour;
! Q!&CG5l dsV ~|D6: 1.6 取当前分
7R: WX: int 分= DateTime.Now.Minute;
ozU2 /J;;|X#P 1.7 取当前秒
{B3(HiC int 秒= DateTime.Now.Second;
H"_v+N5= HL@TcfOe~ 1.8 取当前毫秒
)!i!3 int 毫秒= DateTime.Now.Millisecond;
VUp. j +$PFHXB 28.自定义分页代码:
wS V@=)H\: l8^y]M 先定义变量 :
(v!mR+\x public static int pageCount; //总页面数
x@Y|v@}BE public static int curPageIndex=1; //当前页面
gV|Y54}T D i+4Eb
下一页:
0pD[7~ ^o if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
q3+I<qsAz {
glx2I_y DataGrid1.CurrentPageIndex += 1;
F99A;M8( curPageIndex+=1;
mbyih+amCr }
;Z*'D} yxvjg\!& bind(); // DataGrid1数据绑定函数
PcB{=L `NQ{)N0! 上一页:
DcN"=Y if(DataGrid1.CurrentPageIndex >0)
'j }g {
ehE-SrkU' DataGrid1.CurrentPageIndex += 1;
-,^WaB7u\ curPageIndex-=1;
uoHqL IpQ }
:W~f;k eES'}[W> bind(); // DataGrid1数据绑定函数
"qS!B.rt: jn^fgH? 直接页面跳转:
Oxv+1Ub<Dv int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
G,]z(% bEd?^h if(a<DataGrid1.PageCount)
zks#EzQ {
J?IC~5*2 this.DataGrid1.CurrentPageIndex=a;
N!L'W\H, }
Pu..NPl+ ds]?;l" bind();
|<rfvsQ. `E W!-v) 29.DataGrid使用:
<1
S+' 9`BEi(z 添加删除确认:
&\k?xN private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
zw]3Vg{T {
q!&B6] foreach(DataGridItem di in this.DataGrid1.Items)
t!{x<9 {
l<xFnj if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
+*C^:^jA {
>$uUuiyL4 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
e\r7BW\Y }
pDOM:lGya }
K6hfauWd[ }
hO6RQ0Iv@ -2 xE#r 样式交替:
&DLhb90 ListItemType itemType = e.Item.ItemType;
~M*gsW$ y"-{$ N
if (itemType == ListItemType.Item )
b
=b: {
RL*]g* e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
TT7PQf > e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
(B:uc_+ }
{2:d`fqD else if( itemType == ListItemType.AlternatingItem)
(;UP%H> {
+i=p5d5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
C8.W5P[U e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
PBrnzkoY }
%K zbO0 x>
\Bxa8 添加一个编号列:
&Mj1CvCv DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
BFh$.+D DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
/cfHYvnz Rg&19}BU for(int i=0;i<dt.Rows.Count;i++)
-NzTqLBn {
:Fw?{0 dt.Rows["number"]=(i+1).ToString();
K_#UZA< Y }
B\[-fq EwQae(PpA DataGrid1.DataSource=dt;
:B.G)M\ DataGrid1.DataBind();
v9rVpYc" Q#pnj thM DataGrid1中添加一个CheckBox,页面中添加一个全选框
y]'CXCml) private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
dIJGB== {
Gw{+xz KJ foreach(DataGridItem thisitem in DataGrid1.Items)
C3}Aq8$6 {
Dtt-|_EMS ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
X*O9JGh }
N09KVz2Q }
>vVw!.fJ -:SIS`0s 将当前页面中DataGrid1显示的数据全部删除
El
(/em foreach(DataGridItem thisitem in DataGrid1.Items)
8l23%iWxe {
JZ=5Bpw if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
)%VCzye*{ {
GV8)Kor% string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
{eR9 ;2! Del (strloginid); //删除函数
{|6z+vR }
gz61FW }
e$|VG*
d o&$hYy"<.L 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
fHfY}BQS y5u\j{?Te 在Application_Start中添加以下代码:
|I^y0Q:K Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
!SF^a6jT AppSettings["ConnStr"].ToString();
J8;Okzb!L 6Z8l8:r-6 31. 变量.ToString()
%F J#uQXZ fsvYU0L 字符型转换 转为字符串
p{.8_#O%S 12345.ToString("n"); //生成 12,345.00
M#a&\cqC 12345.ToString("C"); //生成 ¥12,345.00
wmYvD< 12345.ToString("e"); //生成 1.234500e+004
31}W6l88c 12345.ToString("f4"); //生成 12345.0000
Qra> }e%* 12345.ToString("x"); //生成 3039 (16进制)
&{W^W8,% 12345.ToString("p"); //生成 1,234,500.00%
WZ?!!
f#P_xn&et 32、变量.Substring(参数1,参数2);
x?L hq2 V]c5
Z$Bd 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);
}V]eg,.BJ L~eAQR 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)
bUs|t <SCRIPT language="javascript">
t5)J;0/ <!--
TyOH`5D function gook(pws)
~/|zlu*jpc {
_tj&Psp frm.submit();
nwf7M#3d }
4#:\?HAu! //-->
<&U!N'CE (WE,dY+. </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
}-p,iTm <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
zu<3^=3 <tr>
@^?XaU <td>
YwAnqAg <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
kon=il<@ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Ei~f`{i <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
QlD6i-a 7lU.Nit <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
ow.j+<M <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Y=Hz;Ni xR908+>5 </td>
uRQ_'l o:UXPAj </tr>
z+3 9ee R2LK.bTVn </form>
Y&~M7TY b xo
WT*f 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。
wPnybb{ *{5>XH{
x 下面是获取用户输入的登陆信息的代码:
c3k|G<C2 string name;
NHkL24ve name=Request.QueryString["EmailName"];
1q]c7" AuCWQ~ try
/ L~u02? {
}B ff,q int a=name.IndexOf("@",0,name.Length);
U8O(;+ f_user.Value=name.Substring(0,a);
G$5m$\K f_domain.Value=name.Substring(a+1,name.Length-(a+1));
]W)
jmw'mo f_pass.Value=Request.QueryString["Psw"];
\+Y!ILOI }
m;/i<:` FFe)e>bH catch
SLoo:) {
rAXX}"l6s Script.Alert("错误的邮箱!");
DJP6TFT&G Server.Transfer("index.aspx");
{$fsS&aPg }