1. 打开新的窗口并传送参数:
->)0jZax Y3g<%6 传送参数:
?fX`z(Z response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
( 9(NP_s A7R [~ 接收参数:
(05a9 string a = Request.QueryString("id");
]ASTw(4 string b = Request.QueryString("id1");
h3j`X' 7Cx-yv 2.为按钮添加对话框
jIjW +D` Button1.Attributes.Add("onclick","return confirm(’确认?’)");
OZ4% 6/ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Le2rc*T q0KGI/5s4+ 3.删除表格选定记录
n!h952" int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Y2W{?<99 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
h@ @q:I= $GQ{Ai:VwF 4.删除表格记录警告
OjsMT] private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
:'Tq5kE {
+pxtar switch(e.Item.ItemType)
ld7B{ ?] {
jdd3[ case ListItemType.Item :
MCTTm^8O case ListItemType.AlternatingItem :
;CDa*(e case ListItemType.EditItem:
Q1RUmIe_& TableCell myTableCell;
Sr+ & myTableCell = e.Item.Cells[14];
q OV$4[r LinkButton myDeleteButton ;
t;W'<.m_ myDeleteButton = (LinkButton)myTableCell.Controls[0];
h3V;
J myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
@+hO,WXN break;
: 2A\X' @ default:
,e{1l break;
,"Nb;Yhg }
QJ,~K&? qv8B$}F U }
{CQI*\O }i52MI1-XP 5.点击表格行链接另一页
/gP"X1. private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!_?#f| {
-932[+ //点击表格打开
!-tVt
D if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Yq%r\[%* e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
.=@CF8ArG }
gFnJDR t]+h. 双击表格连接到另一页
'h>CgR^NM1 xd!GRJ<I 在itemDataBind事件中
qjH/E6GGg if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
u XVs<im {
}T"&4Rvs2R string OrderItemID =e.item.cells[1].Text;
8[x{]l[ ...
V-lp';bD e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
CPJ%<+4%b }
^`f qK4< W"H(HA 双击表格打开新一页
Q$x
3uH\@ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4)d"}j {
JxlZ,FF$@ string OrderItemID =e.item.cells[1].Text;
Ki\J)l ...
R?8/qGSVqJ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
?;DzWCL~9 }
K*N8Vpz( <,Fj}T- ★特别注意:【?id=】 处不能为 【?id =】
%
{A%SDh 6.表格超连接列传递参数
8YO` TgW <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
j~O"=?7!O <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
66HxwY3a 4GexYDk'# 7.表格点击改变颜色
$;j{?dvm. if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
eMUsw5= {
3 H`ES_JL e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
%]!xr6d this.style.color=’buttontext’;this.style.cursor=’default’;");
A3Y}|7QA }
0f"la=6 %[fZ@!B 写在DataGrid的_ItemDataBound里
ZvSEa{ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
+uMK_ds~ {
Q`BB@E e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
cL:hjr" this.style.color=’buttontext’;this.style.cursor=’default’;");
3j w4#GW e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
yi,Xs|%. }
xDIl L4{+@T1A[ F*=}}H/ 8.关于日期格式
8s>OO& :YNXS;>)! 日期格式设定
J pKCux DataFormatString="{0:yyyy-MM-dd}"
7
'{wl,u D>K=D" 我觉得应该在itembound事件中
p0C|ECH e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
p~dj-w "\"sM{x 9.获取错误信息并到指定页面
IvM>z03 R^Y_i 不要使用Response.Redirect,而应该使用Server.Transfer
nh>lDfJV< pGsu#`t e.g
nw // in global.asax
EN)0b,ax protected void Application_Error(Object sender, EventArgs e) {
Fy^MI*}BZ if (Server.GetLastError() is HttpUnhandledException)
+EM^ Server.Transfer("MyErrorPage.aspx");
lNB<_SO g
I4Rku //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
m]/sR3yF }
9^^:Y3j I|)U>bV Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
>\Ml\CyL _[S<Cb*1 10.清空Cookie
^4{"h Cookie.Expires=[DateTime];
u-HBmL Response.Cookies("UserName").Expires = 0
=Y-mc#{8 Dh .<&ri
11.自定义异常处理
fk(h*L|sI //自定义异常处理类
%Su, using System;
qp2&Z8S\D using System.Diagnostics;
C7_#D O6" fnn/akGKI namespace MyAppException
4_h?E:sBb {
zl@hg<n /// <summary>
Oi\,clR^[o /// 从系统异常类ApplicationException继承的应用程序异常处理类。
7kh(WtUz /// 自动将异常内容记录到Windows NT/2000的应用程序日志
;<nQl,2N /// </summary>
GA2kg7 public class AppException:System.ApplicationException
"$PX[: {
0 LIRi%N5* public AppException()
`*--vSi {
hbE~.[Y2r if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
GJn ~x }
T#-U\C~o @Jr@
fF} public AppException(string message)
)jed@? {
a_o99lP LogEvent(message);
3nX={72<b }
HHg[6aw Rge\8H/z public AppException(string message,Exception innerException)
D:Fi/JY~ {
l]z=0 LogEvent(message);
,nz3S5~ if (innerException != null)
|RZI]H% {
)P
#MUC LogEvent(innerException.Message);
_4~q&?}V }
QLOcgU^ }
t B Kra c<]~q1 //日志记录类
>^zbDU1wT using System;
RzN9pAe using System.Configuration;
n0tVAH'> using System.Diagnostics;
Z^r?
MX/ using System.IO;
<K
GYwLk using System.Text;
`u#N using System.Threading;
!TeI Jm/l QV9z81[ namespace MyEventLog
Bd>a"3fA {
od RtJ[
/// <summary>
iuS*Vw /// 事件日志记录类,提供事件日志记录支持
c@/K} /// <remarks>
?"L ^0% /// 定义了4个日志记录方法 (error, warning, info, trace)
2^4OaHY88 /// </remarks>
22FHD4 /// </summary>
98LyzF9 public class ApplicationLog
>
,;<Bz|X {
R;`C;Rbf /// <summary>
a/dq+ /// 将错误信息记录到Win2000/NT事件日志中
p-JGDjR0G /// <param name="message">需要记录的文本信息</param>
}-H)jN^ /// </summary>
vz3#.a~2 public static void WriteError(String message)
T1W H {
p^*A&7d:P WriteLog(TraceLevel.Error, message);
=U,mzY( }
55Ag<\7 vfloha p /// <summary>
p d(W(-`8! /// 将警告信息记录到Win2000/NT事件日志中
2i)vT)~ /// <param name="message">需要记录的文本信息</param>
-)Of\4kx /// </summary>
osZ]R public static void WriteWarning(String message)
= ow=3Ku {
LZ<^b6Dxk WriteLog(TraceLevel.Warning, message);
}0idFotck }
G-eSHv "r[Ob]/ /// <summary>
tZan1C%p> /// 将提示信息记录到Win2000/NT事件日志中
jzd)jJ0M /// <param name="message">需要记录的文本信息</param>
{.o@XP,. /// </summary>
uS7kkzt-x public static void WriteInfo(String message)
Nx=rw h {
]8CgHT[^7 WriteLog(TraceLevel.Info, message);
qrufnu5cC }
HMmB90P` /// <summary>
'^%k TNn /// 将跟踪信息记录到Win2000/NT事件日志中
.X34[AXd /// <param name="message">需要记录的文本信息</param>
I'0{Q`} /// </summary>
-mw`f)?Ev public static void WriteTrace(String message)
-Pc6W9$ {
OTzuOP8 WriteLog(TraceLevel.Verbose, message);
"NtY[sT{V }
odW K\e p} {H%L /// <summary>
VG|FjD /// 格式化记录到事件日志的文本信息格式
o>\o=%D.a /// <param name="ex">需要格式化的异常对象</param>
AK(x;4 /// <param name="catchInfo">异常信息标题字符串.</param>
V6Y0#sTU /// <retvalue>
"/Pq/\,R| /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
$[\\{XJ. /// </retvalue>
J?C:@Q /// </summary>
i!EAs`$o` public static String FormatException(Exception ex, String catchInfo)
5i+cjT2 {
<.&84c]/& StringBuilder strBuilder = new StringBuilder();
GglGFXOL- if (catchInfo != String.Empty)
($-m}UF\/ {
=YY 7V! strBuilder.Append(catchInfo).Append("\r\n");
)3k?{1: }
yxAy1P;dX strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Q89fXi0Ivb return strBuilder.ToString();
e,
fZ>EJ }
fZrh_^yH (AZAQ xt /// <summary>
*/2nh%>$ /// 实际事件日志写入方法
a|#TnSk /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
QJ!2Vw4K /// <param name="messageText">要记录的文本.</param>
SEVB.; /// </summary>
GSW%~9WBa private static void WriteLog(TraceLevel level, String messageText)
OY8P {
Jv} &8D try
fbD,\ rjT {
zl(o/n EventLogEntryType LogEntryType;
.><-XJ switch (level)
`aTw!QBfG {
hZlHY9[t? case TraceLevel.Error:
i%[+C LogEntryType = EventLogEntryType.Error;
Q[?R{w6 break;
L9-Jwy2(> case TraceLevel.Warning:
TD%&9$F LogEntryType = EventLogEntryType.Warning;
vn!5@""T break;
"$pbK: case TraceLevel.Info:
m'QG{f LogEntryType = EventLogEntryType.Information;
k7j.VpN9 break;
*V 4%&&{ case TraceLevel.Verbose:
`!$6F:d_l LogEntryType = EventLogEntryType.SuccessAudit;
U!NuiKaQ26 break;
zw+RDo default:
at4JLbk LogEntryType = EventLogEntryType.SuccessAudit;
ZZ
Hjv break;
%P D}VF/Y }
d%. |MAE dr c-5{M EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
r}es_9*~Z //写入事件日志
.$7RF!p eventLog.WriteEntry(messageText, LogEntryType);
/QWXEL/M= ,n[<[tkCR }
6<T:B[a- catch {} //忽略任何异常
~M8|r!_ }
IT{c:jo1{` } //class ApplicationLog
j#~~_VA~ }
>KL=(3:":p Xdx8HB@L 12.Panel 横向滚动,纵向自动扩展
AO>b\,0Me <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
^ghYi|kQq S3l^h4 13.回车转换成Tab
^C1LQZ <script language="javascript" for="document" event="onkeydown">
>}\s-/ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Le:C8^ event.keyCode=9;
#-@Uq6Y </script>
w7.,ch }8"
|q3k onkeydown="if(event.keyCode==13) event.keyCode=9"
oKsArZG ]XbMqHGS 14.DataGrid超级连接列
jLM([t DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
&3Yj2Fw Ak,JPzT 15.DataGrid行随鼠标变色
*Z^`H!& private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
p]EugLEmG {
%4),P(4N if (e.Item.ItemType!=ListItemType.Header)
!u@P\8M} {
%~PcJhz e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
uxB)dS e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Lc5zu7ncg }
Vj 9X6u}{ }
((+XzV> `
PQQU~^ 16.模板列
SMD*9&, <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
5{k,/Z[L
<ITEMTEMPLATE>
'E9{qPLk( <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
h{iuk3G`h6 </ITEMTEMPLATE>
P O 5Wi </ASP:TEMPLATECOLUMN>
a`n)aXU l !5(DU~S*@S <ASP:TEMPLATECOLUMN headertext="选中">
Hp04apM: <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
.FHk1~\%z^ <ITEMTEMPLATE>
\.}T_,I <ASP:CHECKBOX id="chkExport" runat="server" />
F`m}RL]g </ITEMTEMPLATE>
oG1zPspL <EDITITEMTEMPLATE>
RW+u5Y <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
#jW -&a </EDITITEMTEMPLATE>
e|!' </ASP:TEMPLATECOLUMN>
dh7`eAMY zUL,~u 后台代码
QF/_?Tm4 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
zP%s] >hH {
gAWi& //改变列的选定,实现全选或全不选。
XJ\R'?j CheckBox chkExport ;
DOJydYds if( CheckAll.Checked)
9>w~B|/ {
3\@2!:> foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
}W8A1-UF {
B6
(\1 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
#4O4,F>e chkExport.Checked = true;
"H[K3 }
b(GV4% }
dT*Yv`h else
H5x7)1Ir| {
Kh\ 7%>K# foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
UgGa]b[9A {
'wk,t^) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
rZ `1G chkExport.Checked = false;
ih".y3 }
^#<L!yo^ }
"ktuq\a@ }
I{cH$jt< K 77iv 17.数字格式化
G-T^1? * )<+u~ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
AE}cHBwZE <%#Container.DataItem("price","{0:¥#,##0.00}")%>
l; _IH|A 7j\^h2 int i=123456;
HK/WO jr string s=i.ToString("###,###.00");
1v]%FC` 49Jnp>h 18.日期格式化
=0d|F
8 s6 g"uF>k 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
Pl/ dUt_ z;>$["t]6 显示为: 2004-8-11 19:44:28
Sc[#]2 } sWo`dZ\6WB 我只想要:2004-8-11 】
4-.K<-T%D <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
f"FFgQMkv 6P{^j 应该如何改?
6i[Ts0H%<! -_ I)5*N 【格式化日期】
-{cmi,oy ^<OYW|q?\r 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
w li cuY? =:s`C,l.4 【日期的验证表达式】
M9W
zsWM .Z[4:TS A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
%i9 e<.Ot ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
6]?%1HSi JI-i7P B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
2xLtJR4L ^\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]))$
2L](4Q[M \s*M5oN]] 【大小写转换】
d. vNiq,` HttpUtility.HtmlEncode(string);
e3;& HttpUtility.HtmlDecode(string)
TF/NA\0c$ U*r54AyP 19.如何设定全局变量
7{F\b R!j # Global.asax中
xx`YBn~" *lSu=dk+ Application_Start()事件中
LIcc0w3 [LnPV2@e 添加Application[属性名] = xxx;
Vn^GJ'^ 0P5VbDv$r7 就是你的全局变量
=PRQ3/?5 jhm3:;Z 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
%VO+\L8Fs 'Bue* HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
&THtQ1D .#QE*<T)] 【ASPNETMENU】点击菜单项弹出新窗口
@A1f#Ed< 44ty,M3 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
_X4Y1zh <?xml version="1.0" encoding="GB2312"?>
S $p>sItO <MenuData ImagesBaseURL="images/">
2PlhnU Q7 <MenuGroup>
j9h/`Bn <MenuItem Label="内参信息" URL="Infomation.aspx" >
MIZdk'.U <MenuGroup ID="BBC">
>
ubq{' <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
U4!KO;Jc <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
jKml:)k ......
[MpWvLP"x '.bf88D 最好将你的aspnetmenu升级到1.2版
n&:ohOH% qk<jvha 21.读取DataGrid控件TextBox值
bSsg` foreach(DataGrid dgi in yourDataGrid.Items)
`7=$I~` {
AmF[#)90P TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
vu+g65" tb.Text....
Ah2 {kK }
v])ew| OE@[a 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?
Xq;|l?,O yu'-'{% 〖思归〗
SI!A?34 <asp:TemplateColumn HeaderText="数量">
, MXU]{ <ItemTemplate>
5pJe`}O4 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
$+Ze"E onkeyup="javascript:DoCal()"
712nD ?> />
8%,#TMOg 60~;UBm5O <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
`q36`Wn </ItemTemplate>
9G/!18 X?f </asp:TemplateColumn>
k'st^1T INA3^p'w <asp:TemplateColumn HeaderText="单价">
*S}@DoXS <ItemTemplate>
G!6b
)4L- <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
%M
iv8 onkeyup="javascript:DoCal()"
v@=qVwX />
WML--<dU
c& ;@i$X( <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
..JRtuM-v 76 !LMNf </ItemTemplate>
:i<*~0r< </asp:TemplateColumn>
zP,r,ok7 R;!,(l <asp:TemplateColumn HeaderText="金额">
!mxH/{+|n <ItemTemplate>
BEOPZ[Q|c <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
hWy@?r. </ItemTemplate>
+cH>'OXoB </asp:TemplateColumn><script language="javascript">
*6?mZ*GYY function DoCal()
i"<W6 {
~2Wus8X- var e = event.srcElement;
EnWv9I< var row = e.parentNode.parentNode;
p3A9<g var txts = row.all.tags("INPUT");
LFax$CZc if (!txts.length || txts.length < 3)
3Z?ornS return;
5mZ2CDV TLsF c^X var q = txts[txts.length-3].value;
{5B j*m5 var p = txts[txts.length-2].value;
q}t]lD
%C @:?[R&` if (isNaN(q) || isNaN(p))
|*c1S
-# return;
JQQ[jl; >Hnm.?-AWl q = parseInt(q);
32z4G =l p = parseFloat(p);
_{jC?rzb F1.Xk1y% txts[txts.length-1].value = (q * p).toFixed(2);
iE'' >Z }
j,.M!q] </script>
Mc,|C) X<,QSTP _8.TPB]no W_}j~[& I(*3n" 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
I,hw0e page_load
:6Nb,Hh~ page.smartNavigation=true
1%v6d
! |<u+Xi
~ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
cA Nt7 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
KVOV<uDCj {
m#UQ,EM for(int i=0;i<e.Item.Cells.Count-1;i++)
Pdf-2
Tx if(e.Item.ItemType==ListItemType.EditType)
~LuGfPO^ {
4J5 zSTw e.Item.Cells.Attributes.Add("Width", "80px")
)7
Mss/2T }
r,JQR)l0@V }
u1 Q;M`+> ;y,g%uqE 26.对话框
U\P4ts private static string ScriptBegin = "<script language=\"JavaScript\">";
`-{l$Hn9|~ private static string ScriptEnd = "</script>";
+bE{g@%@+
b WNa6x public static void ConfirmMessageBox(string PageTarget,string Content)
&ww-t.. {
@MOQk string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
ee?
d?:L }!_z\'u ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
hV(^Y)f ,cNe-KJk Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
mFTuqujO ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
G[ U5R?/ //Response.Write(strScript);
a=}1`Q }
-|FHv+ >UCg3uFj 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
TnN
ythwZ ]R""L<K%HF 1.1 取当前年月日时分秒
P*!`AWn currentTime=System.DateTime.Now;
JH\:9B+:L x6,ozun 1.2 取当前年
>1`4]%
int 年= DateTime.Now.Year;
|~5cNm v)Y)tu> 1.3 取当前月
-rU_bnm int 月= DateTime.Now.Month;
\OVFZ D Z5'^81m$o 1.4 取当前日
~
L4NK# int 日= DateTime.Now.Day;
"|X'qKS(H{ S9!KI) 1.5 取当前时
le \f: int 时= DateTime.Now.Hour;
|p/*OFC6 2L&c91=wE 1.6 取当前分
vSHPN|* int 分= DateTime.Now.Minute;
a[nSUlT& LY0f`RX*& 1.7 取当前秒
F{jxs/~ int 秒= DateTime.Now.Second;
o6A$)m5V Jpduk&u 1.8 取当前毫秒
vCi`htm% int 毫秒= DateTime.Now.Millisecond;
zd5=W"Y;] 2FuV%\p 28.自定义分页代码:
=W7-;& gfK_g)'2U 先定义变量 :
n,FyK`x public static int pageCount; //总页面数
o:{Sws(= public static int curPageIndex=1; //当前页面
dI\_I] `:=1*7)? 下一页:
;J|t-$Z if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
1*p6UR& {
=
zmxki DataGrid1.CurrentPageIndex += 1;
KNmU2-%l curPageIndex+=1;
#8h7C8]& }
KD A8x W L6CI9C;-b bind(); // DataGrid1数据绑定函数
_b<;n|^ OvT[JpV 上一页:
0s-K oz if(DataGrid1.CurrentPageIndex >0)
9xbT?$^ {
;)h?P.] DataGrid1.CurrentPageIndex += 1;
:oy2mi; curPageIndex-=1;
bJn&Y }
zI[<uvxzW` }kt%dDU bind(); // DataGrid1数据绑定函数
].rKfv: 'a0M.*f}G 直接页面跳转:
C5^WJx[ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
eW 4[2Q )&T 5/+ if(a<DataGrid1.PageCount)
1Z
~C3)T= {
?jz\[0)s this.DataGrid1.CurrentPageIndex=a;
WD\Yx~o }
m4~
|z wL~A L bind();
oF$#7#0`;8 jywS<9c@ 29.DataGrid使用:
3!F^vZ. G~y:ZEnN[ 添加删除确认:
OB9E30 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
&S
xF"pYV {
sxr,]@ foreach(DataGridItem di in this.DataGrid1.Items)
d 8;kM`U {
itNuY<" if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
Fk49~z {
cEa8l~GC< ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
IT:WiMDQ} }
odca? }
jR}EBaI} }
Psf'^42(v B~]6[Z 样式交替:
$,:mq>]![{ ListItemType itemType = e.Item.ItemType;
dBA&NW07 ,gk'8] if (itemType == ListItemType.Item )
A5F(- {
Q4 &P\V e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
MJX4;nbl e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
QlvP[Jtr }
Pqx?0f) else if( itemType == ListItemType.AlternatingItem)
'y!qrmMRr {
qN1fWU#$ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
'qEw]l e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
oU,8?(}'~ }
!S&/Zp _R(ZvsOZ 添加一个编号列:
LhKbZoPp DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
PeIi@0vA DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
u(3 uZ: XK\nOHLS for(int i=0;i<dt.Rows.Count;i++)
4tUoK[p {
::{\O\w dt.Rows["number"]=(i+1).ToString();
z59;Qk }
6 8n ;#-X Q?T+^J DataGrid1.DataSource=dt;
~Y
f8,m DataGrid1.DataBind();
Hd;NvNS ;]xc}4@=mg DataGrid1中添加一个CheckBox,页面中添加一个全选框
+dLUq2 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
@TW:6v` {
clyp0`,7 foreach(DataGridItem thisitem in DataGrid1.Items)
lIEZ=CEmY {
$X;OK ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
g&$5!ifgi }
}~&0<8m }
[mwqCW& CR.d3!&28 将当前页面中DataGrid1显示的数据全部删除
3/usgw1 foreach(DataGridItem thisitem in DataGrid1.Items)
a0]GQyIG {
L"vk ^>E6 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
6 Q7MAP M {
N:Q.6_%^ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
0sSBwG Del (strloginid); //删除函数
NUb$PT }
bA0H }
ORKJy)*" 9$U>St 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
.<%q9Jy# ;
Yc\O:Qq 在Application_Start中添加以下代码:
6'mZM=d Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
~t2"L|i AppSettings["ConnStr"].ToString();
~X2# z| ~)$R'= 31. 变量.ToString()
VJ'-"8tY& &FRf-6/ 字符型转换 转为字符串
% + 12345.ToString("n"); //生成 12,345.00
+ AjV0 #n 12345.ToString("C"); //生成 ¥12,345.00
gO*Gf2AG 12345.ToString("e"); //生成 1.234500e+004
9wc\~5{li 12345.ToString("f4"); //生成 12345.0000
>Giw\|:f( 12345.ToString("x"); //生成 3039 (16进制)
cahlYv' 12345.ToString("p"); //生成 1,234,500.00%
n::i$ZUdK G+sB/l" 32、变量.Substring(参数1,参数2);
;W+1 H ! ,1|=_M31 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
Vm@VhCsp @>'Wiq! 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
:T6zT3(")D <SCRIPT language="javascript">
cuG;1,?b <!--
\QSD* function gook(pws)
O.Dz}[w {
4E!Pxjl 3a frm.submit();
N0D5N(kH% }
xPT$d,~" //-->
p8F$vx4, Y8s-cc( </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
WH $*\IGJL <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
{Xpjm6a7 <tr>
M>RLS/r>d <td>
|M<R{Tt}nf <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
WpI5C,3Z!l <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
S)2 U oj <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
A1zV5-E/ A-\n"}4 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
8BS$6Pa <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
`i!-@WN" { iLr$89 </td>
'+^XL6$L kmfz.:j{ </tr>
/oM&29 jy CS"k0V44} </form>
7V\M)r{q7 [.G~5%974 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。
}2?-kj7 [S`Fm>, 下面是获取用户输入的登陆信息的代码:
@yPI$"Ma string name;
cz>`$Zz name=Request.QueryString["EmailName"];
7,9zj1< "0"8Rp&V| try
9JC8OSjJ {
9EZh~tdV[ int a=name.IndexOf("@",0,name.Length);
s.}:!fBk f_user.Value=name.Substring(0,a);
q*>|EJR^Rw f_domain.Value=name.Substring(a+1,name.Length-(a+1));
ZcN%F)htm f_pass.Value=Request.QueryString["Psw"];
##NowO }
I1Gk^wO fAR0GOI catch
g!;Hv {
OEN'c0;5 Script.Alert("错误的邮箱!");
~hA;ji|I Server.Transfer("index.aspx");
Tq.%_/@M< }