1. 打开新的窗口并传送参数:
US3)+6 Ha/Qz'^S; 传送参数:
= Ul"{T< response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
7I#C[:7x nM:<l}~v{ 接收参数:
U`8Er48X string a = Request.QueryString("id");
WagL8BpLx string b = Request.QueryString("id1");
XP0;Q;WF} rQGInzYp 2.为按钮添加对话框
KK1?!7 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
!Q_Wbu\U button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
G`jvy@ je2"D7D 3.删除表格选定记录
K]Vp! G int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
.0RQbc9 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
W)J5[p? cYe2a" 4.删除表格记录警告
u-s*k*VHoc private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
,}@4@ >?K {
#NGtba switch(e.Item.ItemType)
On~KTt3Mp {
d4ld-y case ListItemType.Item :
64mD%URT case ListItemType.AlternatingItem :
G4P*U3&p case ListItemType.EditItem:
\'[tfSB TableCell myTableCell;
Ii5U)" myTableCell = e.Item.Cells[14];
[7HBn LinkButton myDeleteButton ;
1 I.P7_/ myDeleteButton = (LinkButton)myTableCell.Controls[0];
~Ey+ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Wa.xm_4s2 break;
8Dtpb7\o default:
[>pBz3fn, break;
+WR?<*_ }
oQ/T5cOj oIx|)[ }
(~{Y}n]s 94dd )/a 5.点击表格行链接另一页
,%N[FZ`| private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
v<g~EjzCf {
febn?|@ //点击表格打开
u/S>*E if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
w xte e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
7B\NP`l }
0gW{6BtPWm 3h>L0 双击表格连接到另一页
&Wb"/Hn2 "u^vBd[} 在itemDataBind事件中
}N(gP_?n if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%Cqp88] {
);JWrkpz string OrderItemID =e.item.cells[1].Text;
Qc?W;Q+ ...
p%sizn e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
yp^k;G?_d }
Iy4%,8C]g 1P1h);*Z 双击表格打开新一页
EmrkaV-?k if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-P|claO0 {
W^xO/xu1/ string OrderItemID =e.item.cells[1].Text;
Cd=$XJ-b ...
7}~w9jK"F e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
IvkYM`% }
::#[lw N\Lu+ x5 ★特别注意:【?id=】 处不能为 【?id =】
.;Gx.}ITG6 6.表格超连接列传递参数
7=u
Gf$/ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
0asP,)i <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
{D..(f1*u Ri_2@U- 7.表格点击改变颜色
z#PaQp5F if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
ru 9@|FgAE {
NQ[X=a8N e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
ty#6% this.style.color=’buttontext’;this.style.cursor=’default’;");
Zr2T^p5u }
YZ8[h`z >K4Nn(~ys 写在DataGrid的_ItemDataBound里
BgUp~zdo if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
z_R^C%0k {
(tVT&eO e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
[:gg3Qzx this.style.color=’buttontext’;this.style.cursor=’default’;");
*P7/ry^<F e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
siCm)B }
W!O/t^H> )$i,e`T
b-#{O=B 8.关于日期格式
N *$GP3] S ;rd0+J 日期格式设定
!
M CV@5$ DataFormatString="{0:yyyy-MM-dd}"
;ZAwf0~ Il*!iX|23< 我觉得应该在itembound事件中
o_mjI: e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
<dD!_S6@, Lp(`m=;O 9.获取错误信息并到指定页面
hbvcIGaT Nr$78] o9 不要使用Response.Redirect,而应该使用Server.Transfer
R_+:nCB@, 82EvlmD e.g
Z#Nw[>NN* // in global.asax
1Hr1Ir<KR protected void Application_Error(Object sender, EventArgs e) {
7rRI-wZ if (Server.GetLastError() is HttpUnhandledException)
i \/'w] Server.Transfer("MyErrorPage.aspx");
1_f+!
ns# Udtz zka //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
k,=<G, }
]N'%l]_$ _Y&.Nw 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
6=$<R4B Lhux~,EH 10.清空Cookie
OOXSJE1 Cookie.Expires=[DateTime];
2P8wvNDG Response.Cookies("UserName").Expires = 0
1?|"33\03R oNPvks dC; 11.自定义异常处理
>FOCdlJ# //自定义异常处理类
Ot\[Ya'' using System;
i?(cp["7 using System.Diagnostics;
Q"{Dijc% hR7uAk_? namespace MyAppException
I2i' {
7* Y*_cH5 /// <summary>
&Lt$~}*&6 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
#'>)?]tn /// 自动将异常内容记录到Windows NT/2000的应用程序日志
^Ld5< /// </summary>
#9[> public class AppException:System.ApplicationException
+3-5\t` {
/"k [T public AppException()
\ZV>5N3hS {
^(C4Q?[2m if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
3'0vLi }
_,(s I)` +:+P public AppException(string message)
rYdNn0mhk {
fu~iF LogEvent(message);
f9>pMfi:@ }
yBs-bp"- ]nRf%Vi8g public AppException(string message,Exception innerException)
57;0,k5Gy {
5,^DT15a4P LogEvent(message);
G,?a8( if (innerException != null)
l]wLQqoO {
{p/Yz# LogEvent(innerException.Message);
+kYp!00 }
]k]bLyz\J }
3>L5TYa =,N"% } //日志记录类
hO.b?>3NL using System;
jG{?>^ using System.Configuration;
xsRkO9x using System.Diagnostics;
Lm`-q(!7w using System.IO;
q\i&ERr using System.Text;
1I69O6" using System.Threading;
nF]R" fm^` namespace MyEventLog
VUUnB<j {
PH8
88O /// <summary>
nZ'jj S[! /// 事件日志记录类,提供事件日志记录支持
Nk\ni>Du3 /// <remarks>
H#YI7l2 /// 定义了4个日志记录方法 (error, warning, info, trace)
/"A=Yf /// </remarks>
ai?J /// </summary>
9RJ#zUK public class ApplicationLog
oVHe<zE. {
u
e /// <summary>
P#!gP3 /// 将错误信息记录到Win2000/NT事件日志中
m5N,[^- /// <param name="message">需要记录的文本信息</param>
VV$#<D<) /// </summary>
j?o6>j public static void WriteError(String message)
W>+`e]z {
RiR],Sj WriteLog(TraceLevel.Error, message);
x!s=Nola
}
K7JZUS`C! iVeH\a /// <summary>
%2I>-0]B /// 将警告信息记录到Win2000/NT事件日志中
af@a / /// <param name="message">需要记录的文本信息</param>
p>?(uGV /// </summary>
JK!`uG+v public static void WriteWarning(String message)
J?Y,3cc. {
<aaT,J8%[ WriteLog(TraceLevel.Warning, message);
9fbbJ"I+ }
ALF21e*n '#=n> /// <summary>
U%@C<o
" /// 将提示信息记录到Win2000/NT事件日志中
N3#^Ifn[ /// <param name="message">需要记录的文本信息</param>
3D@3jyo: /// </summary>
c9jS
!uDMK public static void WriteInfo(String message)
p JF
9Z {
eA]8M^ WriteLog(TraceLevel.Info, message);
xqg4b{ }
xWY\,'+Q /// <summary>
;Q vQ fV4 /// 将跟踪信息记录到Win2000/NT事件日志中
q#8\BOTP | /// <param name="message">需要记录的文本信息</param>
SOsz=bVx /// </summary>
(m!kg public static void WriteTrace(String message)
uc"%uc' {
q~aj"GD WriteLog(TraceLevel.Verbose, message);
}L|B@fW }
; (}~m&p lAo ~w /// <summary>
85dC6wI4K /// 格式化记录到事件日志的文本信息格式
Q
-$)
H;, /// <param name="ex">需要格式化的异常对象</param>
^.@%n1I"5y /// <param name="catchInfo">异常信息标题字符串.</param>
MRo_An+ /// <retvalue>
~cO iv /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
vdUKIP
=|_ /// </retvalue>
`IBNBJy /// </summary>
5cA:;{z];g public static String FormatException(Exception ex, String catchInfo)
`q^qe> ' {
k_u!E3{~ StringBuilder strBuilder = new StringBuilder();
k&5T-\ q if (catchInfo != String.Empty)
)n9,?F#l {
K^"l.V#J strBuilder.Append(catchInfo).Append("\r\n");
(
6zu*H) }
DEkv,e strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
havmhS)O return strBuilder.ToString();
=w!9:I&a0 }
SnUR?k1 ,m0M:!hK /// <summary>
mc2uI-W /// 实际事件日志写入方法
=#Jx~d [C /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
]57Ef'N /// <param name="messageText">要记录的文本.</param>
5Zhl@v,L% /// </summary>
KCZ<#ca^ private static void WriteLog(TraceLevel level, String messageText)
P $y'`` {
q4!\^HwQ try
&|'yqzS3 {
Mby4(M+&n EventLogEntryType LogEntryType;
E%8uQ2p( switch (level)
qo\9,< {
l9j=;h case TraceLevel.Error:
:F[s LogEntryType = EventLogEntryType.Error;
'/loJz 1 break;
/L(}VJg- case TraceLevel.Warning:
W<^t2 j' LogEntryType = EventLogEntryType.Warning;
*6u2c%^ break;
znWB.H case TraceLevel.Info:
K7{B!kX4k LogEntryType = EventLogEntryType.Information;
\BfMCA/ break;
ct,;V/Dx case TraceLevel.Verbose:
F}[!OYyg LogEntryType = EventLogEntryType.SuccessAudit;
B9
?58v& break;
x_-V{
k default:
)@Y<
<9'2 LogEntryType = EventLogEntryType.SuccessAudit;
mb3aUFxA; break;
2PeMt^ }
tG9C(D`G &F7_0iAP( EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
BL>~~ //写入事件日志
d+]= l+& eventLog.WriteEntry(messageText, LogEntryType);
0cfGI% @U?&1.\ }
%52x:qGa catch {} //忽略任何异常
qW4\t }
"D4% A!i } //class ApplicationLog
(s|WmSQ }
x7gd6"10^ (w"(RM~ 12.Panel 横向滚动,纵向自动扩展
%}~(%@qB>+ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
|9FrVO$M ?A .ah 13.回车转换成Tab
%c]N- <script language="javascript" for="document" event="onkeydown">
Dz2Z
(EXI~ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
}Cfl|t<5f event.keyCode=9;
Pq{p\Qkj </script>
S{MB$JA Hc|cA(9sh9 onkeydown="if(event.keyCode==13) event.keyCode=9"
)OQ<H.X ?0sTx6x@ 14.DataGrid超级连接列
%Q}(.h%M DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
ld|GY>rH 6'uCwAQU 15.DataGrid行随鼠标变色
X$Q.A^9 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
b-<@3N.9] {
726UO#* if (e.Item.ItemType!=ListItemType.Header)
Y+g(aak+. {
WLVkrTvX e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
>P} XCAU e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
<RC %< }
rhaq!s38: }
hc0 $mit #E\6:UnT 16.模板列
|)&d9|] <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
5{DwD{Q <ITEMTEMPLATE>
69:-c@L0 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
X6w+L?A </ITEMTEMPLATE>
Y1ca=ewFx </ASP:TEMPLATECOLUMN>
d9jD?HgM( }?6;;d# <ASP:TEMPLATECOLUMN headertext="选中">
pz/W#VN <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
;iJxJX\+ <ITEMTEMPLATE>
!.pcldx <ASP:CHECKBOX id="chkExport" runat="server" />
Vom,^`} </ITEMTEMPLATE>
VhMVoW <EDITITEMTEMPLATE>
#
&5. <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
\3K7)o^ </EDITITEMTEMPLATE>
1BEc" </ASP:TEMPLATECOLUMN>
:w|=o9J Ets6tM` 后台代码
bF,.6iKI protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
't*]6^ {
-U9C{q?h //改变列的选定,实现全选或全不选。
ku}`PS0UGd CheckBox chkExport ;
L>7@!/9L if( CheckAll.Checked)
}1Mf0S {
\x4:i\Fx@ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
D Vg$rm` {
}[@Q**j( chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
W
9}xfy09 chkExport.Checked = true;
(=1zMZo }
nsV= }
>/}p{Tj else
s!MD8ia {
kj4=Q\Rfm foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
<*u^8lCA {
@;hdZLG]`& chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
`*kl> }$ chkExport.Checked = false;
i<tJG{A= }
!SnLvW89Z }
'<ZHzDW@ }
kou7_4oS 4
540Lw'A 17.数字格式化
${wp}<u_ &?xmu204 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
){eQ.yW <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Nx*1m
BC 7D'D7=Z. int i=123456;
OkT@ _U string s=i.ToString("###,###.00");
]Z85%q^` B~&}Mv 18.日期格式化
*|CvK&7 -rgdKA@)( 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
yUxz,36wZ Q^@7Yg@l 显示为: 2004-8-11 19:44:28
: vgn0IQ aiE\r/k8s 我只想要:2004-8-11 】
1_c%p#?K <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
gnxD'1_ r[GH#vF;7 应该如何改?
XsFzSm WT1y7+_g(d 【格式化日期】
T
7qHw!) asmu< 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
anfnqa8 #&L7FBJ"*v 【日期的验证表达式】
4ZR2U3jd1 ,Sy&?t}` A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
5e7\tBab ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
^mC,Z+! L8NZU*" B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
FDGG$z?>m ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
n^5Q
f\ o -F3~X R 【大小写转换】
Zv-1*hhHf HttpUtility.HtmlEncode(string);
0E
(G1o' HttpUtility.HtmlDecode(string)
&0%B3 ORWi+H| 19.如何设定全局变量
]A#:Uc5 =d:3]M^ Global.asax中
>NV1#\5_R@ oEFo7X`t Application_Start()事件中
)<_qTd0` 2*Pk1vrI 添加Application[属性名] = xxx;
!u
.n Iij$ce`nx 就是你的全局变量
O2="'w'kR ~ kDJ-V 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
'}bmDb* &o1k_!25 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
V*Xr}FE )"6"g9A 【ASPNETMENU】点击菜单项弹出新窗口
v.u 5% e+VE FWz 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
h9iQn<lp4. <?xml version="1.0" encoding="GB2312"?>
5tZ0zr <MenuData ImagesBaseURL="images/">
,\#s_N7 <MenuGroup>
qcQq.cS_'N <MenuItem Label="内参信息" URL="Infomation.aspx" >
U^U
hZ! <MenuGroup ID="BBC">
-:J<JX)o <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
72*j6#zS <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
KMQPA>w# ......
T,vh=UF%] Q|S>C%4? 最好将你的aspnetmenu升级到1.2版
BS?$eai@:9 bz~aj}"` 21.读取DataGrid控件TextBox值
[/ertB foreach(DataGrid dgi in yourDataGrid.Items)
2cRru]VZ5 {
IXm[c@5l TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
$%
gz ,{ tb.Text....
. n)R@&9 }
ue'dI Z'}%Mkm`i} 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
ozl!vf# kv ;vX1U8 〖思归〗
M}@>h <asp:TemplateColumn HeaderText="数量">
.c__T{<)[ <ItemTemplate>
d\JBjT1g <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
S'NLj( onkeyup="javascript:DoCal()"
]IeLKcn />
gMkSl8[ V
d]7v <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
|GsMLY:0 </ItemTemplate>
M_2>b:#A* </asp:TemplateColumn>
"Ehh9 m1& KtH^k&z.f <asp:TemplateColumn HeaderText="单价">
zpeCT3Q5O <ItemTemplate>
d~h;|Bl[ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
pLV
%g#h onkeyup="javascript:DoCal()"
|3Oyg ?2 />
t imY0fx# yx:+Xy*N <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
*rHz/& , _9p79S<+ </ItemTemplate>
^&8hhxCPu| </asp:TemplateColumn>
:eJJL,v [/VpvQ' <asp:TemplateColumn HeaderText="金额">
X-,oL.:c <ItemTemplate>
@7.7+blS"H <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
o90g;Vog </ItemTemplate>
M5t.l ( </asp:TemplateColumn><script language="javascript">
*p#@W-:9E function DoCal()
M V!d*\ {
;FF+uK var e = event.srcElement;
y;<suGl var row = e.parentNode.parentNode;
#<Xq\yC51 var txts = row.all.tags("INPUT");
l"DHG`kb if (!txts.length || txts.length < 3)
,R3TFVV!? return;
m.! M#x2! Di4GaKa/ var q = txts[txts.length-3].value;
5;XYF0 var p = txts[txts.length-2].value;
ED" fi$ XuHR if (isNaN(q) || isNaN(p))
Wi>m}^}9 return;
%N`_g' r! 6akI5\b q = parseInt(q);
$?]`2*i p = parseFloat(p);
SBs! 52 4#]g852 txts[txts.length-1].value = (q * p).toFixed(2);
M6^
\LtFt }
cL;%2TMk </script>
HX}B#T /93z3o7D> A*81}P_ @o^$/AE? n ]D io 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。
P3Lsfi. page_load
CV\y60n page.smartNavigation=true
vTK8t:JQ~ vf+z0df 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 ?
Hs:zfvD private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
[[6"qq {
A|:+c*7] for(int i=0;i<e.Item.Cells.Count-1;i++)
vq+CW?*" if(e.Item.ItemType==ListItemType.EditType)
o9]32l {
rBi<Yy$z e.Item.Cells.Attributes.Add("Width", "80px")
r `n|fD. }
{#4a}:3 }
H>;,r, XBkaum4j 26.对话框
[6JDS;MIN private static string ScriptBegin = "<script language=\"JavaScript\">";
7
@}`1>97 private static string ScriptEnd = "</script>";
q9j~|GE| eB1NM<V public static void ConfirmMessageBox(string PageTarget,string Content)
D M+MBK
{
I9>vm] string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
&0%Zb~ts F --b,, ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
j%-Ems*H \ERxr
Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
F8{gJaP x ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
{Bk` Zlki //Response.Write(strScript);
Y;huTZ }
t!6uz a=A12< 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
JehanF[ ]Sa#g&}T> 1.1 取当前年月日时分秒
8]`s&d@GY currentTime=System.DateTime.Now;
GIc q|Pe yUpN`; 1.2 取当前年
YI"!&a'yj int 年= DateTime.Now.Year;
X';qcn_^ V6HZvuXV! 1.3 取当前月
,Ww}xmq1H int 月= DateTime.Now.Month;
"5
~{ sCzpNJ"8
1.4 取当前日
Zy;jp*Q int 日= DateTime.Now.Day;
F+Qnf'at1 1Td`S1'#yg 1.5 取当前时
.S#i/A'x int 时= DateTime.Now.Hour;
|9]-_a qK#"uU8B 1.6 取当前分
RH _b int 分= DateTime.Now.Minute;
eF.nNu $hcv}<$/ 1.7 取当前秒
@<pd@Mpf] int 秒= DateTime.Now.Second;
R8u8jG(4 p}1gac_c 1.8 取当前毫秒
]?D$n int 毫秒= DateTime.Now.Millisecond;
SM
RKEPwp& )D6i {I0 28.自定义分页代码:
gWa0x- [m
h>N$ 先定义变量 :
Fs $FR-x public static int pageCount; //总页面数
iJOG"gI& public static int curPageIndex=1; //当前页面
f>C+ l( a6./;OC 下一页:
Ib{l$# if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
?&eS }skL {
0[%{YmI{W DataGrid1.CurrentPageIndex += 1;
Cy6!?Mik curPageIndex+=1;
W$SV+q(rT }
#iv4L SH =S> bind(); // DataGrid1数据绑定函数
I5l%X{u"N 9=]HOUn 上一页:
[qRww]g;P| if(DataGrid1.CurrentPageIndex >0)
H7&y79mB {
.*njgAq7 DataGrid1.CurrentPageIndex += 1;
`Kf@<= curPageIndex-=1;
^"
g?m }
mIYKzu_k= OhCdBO bind(); // DataGrid1数据绑定函数
m)pHCS +[uh);vD`G 直接页面跳转:
1
Vt,5o5 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
>h#juO" mkyYs[ if(a<DataGrid1.PageCount)
EHn!ZrQgh {
:6t73\O this.DataGrid1.CurrentPageIndex=a;
h;+O96V4. }
>TCit1yD dO1m bind();
PDA9.b<q0 E.NfVeq 29.DataGrid使用:
RxJbQs$Ph XfVdYmii 添加删除确认:
UMd.=HC L private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
hN=kU9@knC {
C za}cF foreach(DataGridItem di in this.DataGrid1.Items)
k`N*_/(|n {
">1wPq& if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
M*3G {
8Y RT0/V ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
WR#h~N
9c }
1<#D3CXK }
gvo98Id }
NR_3nt^h 2D"my]FnF 样式交替:
`V V>AA5 ListItemType itemType = e.Item.ItemType;
iz/CC V L |&MoQxw@ if (itemType == ListItemType.Item )
+,)k@OI {
ll$mRC e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
uuFQTx)) e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
WeH_1$n5 }
<>n|_6'$90 else if( itemType == ListItemType.AlternatingItem)
7ixG{yu {
kDmuj>D e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
0Q7<;'m e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
}[PwA[k' }
[3-u7Fx! .Er+*j;&w 添加一个编号列:
1/:vFX DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
DKMkCPX% DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
P8dMfD*"E s,[I_IiPf for(int i=0;i<dt.Rows.Count;i++)
-nC&t~sD {
e> 9X dt.Rows["number"]=(i+1).ToString();
CckfoJ 9 }
PV"\9OIKb. U
^O4HJ DataGrid1.DataSource=dt;
2Q@na@s DataGrid1.DataBind();
iExKi1knx dba_(I~y DataGrid1中添加一个CheckBox,页面中添加一个全选框
MYara;k private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
`{Oqb {
Wq}6RdY$ZA foreach(DataGridItem thisitem in DataGrid1.Items)
!*&5O~dfN {
{4vWSb ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
|#cqxr " }
GOA
dhh- }
g_l-@ <eSg%6z 将当前页面中DataGrid1显示的数据全部删除
=*ErN foreach(DataGridItem thisitem in DataGrid1.Items)
h~
_i::vg
{
!+@70|gFF if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
~YW;' {
B!quj!A string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
<`vXyPA6 Del (strloginid); //删除函数
1:T"jsWw }
4>L*7i }
A ?V-Sz# v
))`U,Gm 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)
{RI^zNgs[ -;"A\2_y 在Application_Start中添加以下代码:
S#p_Y^A Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
z0ufLxq AppSettings["ConnStr"].ToString();
Il@K8?H@ >ZPu$=[W 31. 变量.ToString()
[Nm?qY r 56~s5A 字符型转换 转为字符串
kkHK~(>G 12345.ToString("n"); //生成 12,345.00
[vb#W!M&| 12345.ToString("C"); //生成 ¥12,345.00
&${| o@ 12345.ToString("e"); //生成 1.234500e+004
o?M ;f\Fy 12345.ToString("f4"); //生成 12345.0000
;t9_*)[ 12345.ToString("x"); //生成 3039 (16进制)
Y}.f&rLe 12345.ToString("p"); //生成 1,234,500.00%
4j'rbbs/ ^2rj);{V 32、变量.Substring(参数1,参数2);
}I}GA:~$% [N4N7yF 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
8o,0='U h0~<(3zC 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
rf+}J_ <SCRIPT language="javascript">
S\I+UeFkf <!--
4PS| function gook(pws)
p</t##]3ks {
8kU(>' ^_: frm.submit();
q*4@d)_& }
'Tqusr>lPY //-->
n9&fH `]GL3cIh: </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
ti1R6oSn <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
67T.qX2I$ <tr>
oM@%2M_O( <td>
k??CXW <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
8_`C&vx <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Txe*$T,( <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
"X?Zw$gRud v?3xWXX, <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
o\Fv~^ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
W4nn)qBrh ,s}&|+
'" </td>
uInI{> (?,jnnub </tr>
A\7sP = _f>)G3p </form>
.@;5" TZ
n2,N 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。
sLTQm*jL qycf;Kl:6 下面是获取用户输入的登陆信息的代码:
nZNS}|6 string name;
tNZZCdB name=Request.QueryString["EmailName"];
bY,dWNS: UHfE.mTjM try
G;/>
N'# {
_N|AI"sj. int a=name.IndexOf("@",0,name.Length);
l>i:M#z& f_user.Value=name.Substring(0,a);
8?<J,zu@AV f_domain.Value=name.Substring(a+1,name.Length-(a+1));
zJ1M$U f_pass.Value=Request.QueryString["Psw"];
I}y6ke! }
D2o|.e<r XD!}uDZ^ catch
]-X\n
{
5\JV } Script.Alert("错误的邮箱!");
y[cc<wm$ Server.Transfer("index.aspx");
FoYs<aER }