1. 打开新的窗口并传送参数:
+|KnO
DHd9yP9- 传送参数:
{-09,Q4[& response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
v:nm#P%P fOtL6/? 接收参数:
g%Sl+gWdJ string a = Request.QueryString("id");
I!|_C~I` 2 string b = Request.QueryString("id1");
00[Uk'Q*5 Cpz'6F^oP 2.为按钮添加对话框
tQ&.;{5[f Button1.Attributes.Add("onclick","return confirm(’确认?’)");
&2d^=fih button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
NVAt-u0LB R6r'[-B2 3.删除表格选定记录
# 4L[8(+V int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
odD^xg"L string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
d dkh*[ q]ER_]%Gna 4.删除表格记录警告
'%vb&a!.6 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
^y]CHr {
NiQ`,Q$B switch(e.Item.ItemType)
^OnU;8IC {
imv[xBA(d case ListItemType.Item :
[#.E=s+& case ListItemType.AlternatingItem :
MkEr|w' case ListItemType.EditItem:
^$}9
Enj+Y TableCell myTableCell;
0&}
"!) myTableCell = e.Item.Cells[14];
oi^2Pvauh LinkButton myDeleteButton ;
d[9c6C:<q myDeleteButton = (LinkButton)myTableCell.Controls[0];
4C\>JGZvq myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
K[!OfP break;
S='AA_jnw default:
!o1{. V9q break;
,u8)g;8s }
ze@NqCF <csz4tL}P }
TPH`{ >~8;H x].d 5.点击表格行链接另一页
sEP-jEuwG private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
u.ubw(vv {
<5X?6*Qvr //点击表格打开
T[]2]K[&B if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>>oR@ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
#Mkwd5S|L }
uu@Y]0- (99P9\[p 双击表格连接到另一页
=
_X#JP79 v]SHude{ 在itemDataBind事件中
S{'/=Px+ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
G5a PjP {
a+sHW<QeS string OrderItemID =e.item.cells[1].Text;
Fr_esx ...
#-*7<wN e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
D;VQoO }
t[* ;v &D0suK# 双击表格打开新一页
mO<sw if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
?@8[1$1a {
G8b/eWtP string OrderItemID =e.item.cells[1].Text;
RP 'VEJ ...
erTb9`N4 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
e&%m[:W:< }
HEdOo~/~ XN65bq ★特别注意:【?id=】 处不能为 【?id =】
Au3>=x` 6.表格超连接列传递参数
7fRL'I#[@ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
O92a*) <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
7yp7`|,p ]4~-
z3=y 7.表格点击改变颜色
."b=dkx if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
7oaa) {
/xf4*zr e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
!9|)v7} this.style.color=’buttontext’;this.style.cursor=’default’;");
vl59|W6 }
bL*;6TzRK U U!M/QJ 写在DataGrid的_ItemDataBound里
$T7hY$2Ql if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
j$r .&,m {
`s74g0h e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
KY'"Mg^! this.style.color=’buttontext’;this.style.cursor=’default’;");
gNkx]bm e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
$mFsf)1]]? }
dv3+x\`9 Yas! w' 5<Mht6"H 8.关于日期格式
@?ntMh6 LX A1rgUWT 日期格式设定
R:=C DataFormatString="{0:yyyy-MM-dd}"
63:0Vt>hZ^ H{|a+ 我觉得应该在itembound事件中
JHpoW}7QB e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
* ;A I0 KI (9TI* 9.获取错误信息并到指定页面
9D74/3b* Ht^MY 不要使用Response.Redirect,而应该使用Server.Transfer
%-"? H -('!^ e.g
G#V5E)Dx // in global.asax
\ZrLh,6f. protected void Application_Error(Object sender, EventArgs e) {
7Cf%v`B4D if (Server.GetLastError() is HttpUnhandledException)
fM8kS Server.Transfer("MyErrorPage.aspx");
EFeG[bxM E\!:MCL //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
zSta!] }
I\V33Nd js
)G Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
?#]K54? 0^44${bA 10.清空Cookie
5xW)nEV Cookie.Expires=[DateTime];
;aYPv8s~,: Response.Cookies("UserName").Expires = 0
,-u | l N]cGJU>$ 11.自定义异常处理
}i_[wq{E& //自定义异常处理类
e2w$":6> using System;
j9C=m"O using System.Diagnostics;
|7WzTz &rj6<b1A namespace MyAppException
@t`|w.]ml {
UNocm0!N' /// <summary>
}|f\'S /// 从系统异常类ApplicationException继承的应用程序异常处理类。
bj`cYL% /// 自动将异常内容记录到Windows NT/2000的应用程序日志
q|2{W.P5qi /// </summary>
KmV#%
d public class AppException:System.ApplicationException
IDBhhv3ak {
S4<@ji public AppException()
RhyI\(Z2q {
G~)jk+Qq if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
f
; |[ }
xt
+fuL pPCxa#OV public AppException(string message)
)Y~q6D K {
heZ)+}U~ LogEvent(message);
S|;a=K&hS }
[$3Zid ,)V*xpp public AppException(string message,Exception innerException)
7=om / {
R#tz"T@ LogEvent(message);
eFXxkWR) if (innerException != null)
x=1G|<z% {
&{&lCBN LogEvent(innerException.Message);
Cd#*Wp)s }
v)N6ZOj*C }
u!g=>zEu wO}
3i6 //日志记录类
eHv~?b5l using System;
K1O/>dN_\O using System.Configuration;
$qQ6u! using System.Diagnostics;
k;zbq using System.IO;
H#U{i using System.Text;
^1,]?F^ using System.Threading;
DJ}xD&G 9Lz)SYd namespace MyEventLog
a,cDj {
&%u,b~cL? /// <summary>
a-!"m /// 事件日志记录类,提供事件日志记录支持
M#S8x@U /// <remarks>
a0)+=*$ /// 定义了4个日志记录方法 (error, warning, info, trace)
a^[io1}- /// </remarks>
eV9:AN }K= /// </summary>
]CC~Eo-%- public class ApplicationLog
^0{S!fs {
@T/C<- /: /// <summary>
qx0o,oZN! /// 将错误信息记录到Win2000/NT事件日志中
}r^MXv ~( /// <param name="message">需要记录的文本信息</param>
r@%32h /// </summary>
5@[%P= public static void WriteError(String message)
p6=#LwL' {
)CR8-z1` WriteLog(TraceLevel.Error, message);
aE{b65'Dt }
iT^lk'?{O sef!hS06 /// <summary>
?U-p
jjM /// 将警告信息记录到Win2000/NT事件日志中
eA4*Be;9e /// <param name="message">需要记录的文本信息</param>
4zf#zJw /// </summary>
$ @1&G~x public static void WriteWarning(String message)
_%1.D0<~-E {
82/iVm1 WriteLog(TraceLevel.Warning, message);
BMX x(W] }
3^
Z tIZ :cynZab /// <summary>
Jb
tbW&EH /// 将提示信息记录到Win2000/NT事件日志中
R*yB); p /// <param name="message">需要记录的文本信息</param>
Ue,"CQ6H /// </summary>
?q,x?`|(8 public static void WriteInfo(String message)
um8ZhXq {
"R9kF- WriteLog(TraceLevel.Info, message);
T >-F~?7Sv }
HPCA,*YR` /// <summary>
\pPq]k /// 将跟踪信息记录到Win2000/NT事件日志中
@ics /// <param name="message">需要记录的文本信息</param>
KPO((G0& /// </summary>
wK\SeX public static void WriteTrace(String message)
RgRcW5VxK {
6w]]KA WriteLog(TraceLevel.Verbose, message);
qob!!A14p }
V&}Z# 9Dx )7`~U"r /// <summary>
XqwdJND /// 格式化记录到事件日志的文本信息格式
WYzY#-j /// <param name="ex">需要格式化的异常对象</param>
4@W.{|2~ /// <param name="catchInfo">异常信息标题字符串.</param>
rU~"A /// <retvalue>
Sqge5 v /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
1bDc ct /// </retvalue>
c`jTdVD /// </summary>
Q@j:b]Y9 public static String FormatException(Exception ex, String catchInfo)
"1nd~
BBOw {
&a(w0< StringBuilder strBuilder = new StringBuilder();
{Y/ if (catchInfo != String.Empty)
Fwqv1+ {
1%:A9%O)t strBuilder.Append(catchInfo).Append("\r\n");
%FRkvqV* }
W ][IHy< strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
;s!H return strBuilder.ToString();
G^OSXf5 }
u4nXK
<KL| So 5{E4[ /// <summary>
U!`'Qw; /// 实际事件日志写入方法
.5z|g@
6 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
z&:[.B /// <param name="messageText">要记录的文本.</param>
}hf*Jw
/// </summary>
gbh:Y}_FU private static void WriteLog(TraceLevel level, String messageText)
| UaI i^ {
}B.C#Y$@ try
IpP0|:} {
4NzHzn EventLogEntryType LogEntryType;
N?Z?g_a8 switch (level)
hh{liS% 10 {
u`~{:V case TraceLevel.Error:
4CCux4)N LogEntryType = EventLogEntryType.Error;
G@'0vYb# break;
-,tYfQ;: case TraceLevel.Warning:
Qi}LV"&L LogEntryType = EventLogEntryType.Warning;
%qHT!aP break;
9..k/cH case TraceLevel.Info:
GwycSb1 LogEntryType = EventLogEntryType.Information;
^/uGcz|. break;
izw}25SW case TraceLevel.Verbose:
{?iqO? LogEntryType = EventLogEntryType.SuccessAudit;
*l^'v9
break;
V Y3{1Dlf default:
Ss:,#| LogEntryType = EventLogEntryType.SuccessAudit;
K6U>Qums break;
#Q"vwek }
YMd&+J` cn0Fz"d EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
.g~@e_;): //写入事件日志
B@=<'/S\7 eventLog.WriteEntry(messageText, LogEntryType);
C] w< &o ss<'g@R }
R'/wOE2 catch {} //忽略任何异常
-Tx tX8v }
g@k9w{_ } //class ApplicationLog
ar|[D7Xrq\ }
DE ws+y-* Z]f2& 12.Panel 横向滚动,纵向自动扩展
.B13)$C <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
mmL~`i/ E'8Bw7Tz 13.回车转换成Tab
M<unQ1+wh <script language="javascript" for="document" event="onkeydown">
zf~zYZSr if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
"~<~b2Y"5 event.keyCode=9;
Ji[g@# </script>
[R> H\mVK!](D onkeydown="if(event.keyCode==13) event.keyCode=9"
#pSOZX dO,05?q| 14.DataGrid超级连接列
\<B6> DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
e9_+$Oo sV[Z|$&Z 15.DataGrid行随鼠标变色
lg>AWTW[ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
PEEY;x {
=7fh1XnW if (e.Item.ItemType!=ListItemType.Header)
0
0&$SE {
&o@5%Rz2/ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
+3>/,w(x e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
~iZF~PQ1_ }
F |81i$R }
H$amt^|zQ4 OeGuq.>w 16.模板列
[9om"' <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
FM"BTA:C <ITEMTEMPLATE>
hX%v`8 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
YO$b# </ITEMTEMPLATE>
#.+*G`m </ASP:TEMPLATECOLUMN>
)]>
'7] i >5O y^u6Ly <ASP:TEMPLATECOLUMN headertext="选中">
%@93^q[\2 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
/%9p9$kFot <ITEMTEMPLATE>
{mnSTL` <ASP:CHECKBOX id="chkExport" runat="server" />
MVP)rugU </ITEMTEMPLATE>
' 5 qL <EDITITEMTEMPLATE>
+1jqCW <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
H0 n@kKr </EDITITEMTEMPLATE>
zMzf=~ </ASP:TEMPLATECOLUMN>
<VR&=YJ zRoEx1 后台代码
yn":!4U1 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
u|>U`[Zpj {
rI66frbj //改变列的选定,实现全选或全不选。
:$Q]U2$mPS CheckBox chkExport ;
+Y9D!=_lj if( CheckAll.Checked)
FJ,\?ooGf {
Doc'7P foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
zHc 4e
{
< Gy!i/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
}:l%,DBw chkExport.Checked = true;
r]//Q6|S }
&Yks,2:P }
OjlB0 else
i
=fOdp {
FlA\Ad;v foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
y#Za|nt {
[(P[qEY chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
`MYK XBM chkExport.Checked = false;
,iv%^C",) }
"ko?att~ }
nP{sCH 1 }
:f
!=_^} ?)o4 Kt'h 17.数字格式化
0e:QuV2X OG?j6qhpl 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
GE8D3V;*V <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Or#+E2%1E U>B5LU9& int i=123456;
g9weJ6@}M string s=i.ToString("###,###.00");
VRQbf G5nj,$F+ 18.日期格式化
C(1A8 bR8
HGH28 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
L[D/#0qp ;GgQ@s@ 显示为: 2004-8-11 19:44:28
<.7I8B7 kq}eUY] 我只想要:2004-8-11 】
SL\y\GaV <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
q%kj[ZOY$] o
+QzQ+ Z 应该如何改?
~ut& U o )nT 【格式化日期】
<E7Vbb9* Va/@#=,q] 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
K'{W9~9Lq 1nlE3Y?AV 【日期的验证表达式】
1l|A[G $YGIN7_Gg A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
jQ_|z@OV ^((\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})))?$
WP%{{zR$ fBWJ%W B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
6PQJgki ^\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]))$
|!xfIR>=F =4M.QA@lI! 【大小写转换】
v1"g!%U6 HttpUtility.HtmlEncode(string);
x,w`OMQ}c HttpUtility.HtmlDecode(string)
{Z?$Co^R rz[uuY7 19.如何设定全局变量
gGI#QPT`X =N@)CB7a Global.asax中
LE0J ;|1 B~_,>WG Application_Start()事件中
-M>K4*%K V$Xl^# tN 添加Application[属性名] = xxx;
\\2k}TsB kuTq8p2E 就是你的全局变量
9#EHXgz 6L:trLuQ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
0x>/ 6 << i>]<*w HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
2Pem%HE~P dY4k9p8 【ASPNETMENU】点击菜单项弹出新窗口
~3'OiIw1@ StdS$XW 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
!0!U01SWa <?xml version="1.0" encoding="GB2312"?>
Mg a@JA" <MenuData ImagesBaseURL="images/">
0U~;%N+lv <MenuGroup>
_\4` <MenuItem Label="内参信息" URL="Infomation.aspx" >
%EJ\|@N: <MenuGroup ID="BBC">
XoKO2<3 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
5M<'A= <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
~|r'2V* ......
O:5Rp_?^ [w+h-q 最好将你的aspnetmenu升级到1.2版
RVgPH<1X@e s.R-<Y3 21.读取DataGrid控件TextBox值
|2
YubAIZ( foreach(DataGrid dgi in yourDataGrid.Items)
WNn[L=f {
BrlzN='j} TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
!cEbzb tb.Text....
~|y^\U@ }
d}{LM!s .pS&0gBo\ 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?
M#\ < *PSvHXNi 〖思归〗
%Ycx C0S[ <asp:TemplateColumn HeaderText="数量">
JQKC;p <ItemTemplate>
7SgweZ}" <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
F`Dg*O onkeyup="javascript:DoCal()"
r/NSD$-n />
j4~7akG 8sN#e(@
<asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
+Dx1/I
</ItemTemplate>
NJ;"jQ- </asp:TemplateColumn>
prNhn:j csH2_+uG <asp:TemplateColumn HeaderText="单价">
di6B!YQP <ItemTemplate>
(C8 U <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
h>}ax\h onkeyup="javascript:DoCal()"
?M *7@t@ />
q,[k7&HS Nls83 W <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
T>}0) s [8>z#*B </ItemTemplate>
,:D=gQ@` </asp:TemplateColumn>
FJP< bREQ c |>=S)| <asp:TemplateColumn HeaderText="金额">
BjJ,"sT <ItemTemplate>
,N53Iic <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
`W@T'T" </ItemTemplate>
F%xK"l`& </asp:TemplateColumn><script language="javascript">
"(s6aqO$ function DoCal()
')B =|T) {
^_v[QV var e = event.srcElement;
10p8|9rE}B var row = e.parentNode.parentNode;
y|$R`P var txts = row.all.tags("INPUT");
Zp?4uQ)[W if (!txts.length || txts.length < 3)
^:`oP"%-T return;
4&Byl85q a:85L!~:l var q = txts[txts.length-3].value;
'T\dkSJv;V var p = txts[txts.length-2].value;
{P-xCmZ~Wt cv}aS_`f if (isNaN(q) || isNaN(p))
#~L!pKM return;
RctU' T }g~g50ci q = parseInt(q);
MDJc[am p = parseFloat(p);
pz{'1\_+9 Yu'a<5f txts[txts.length-1].value = (q * p).toFixed(2);
Y9F)`17 }
~W<CE_/]k </script>
(
#*"c 1BJ<m5/1% W{
fZ[z nZfs=@w:y J!{Al 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。
kY"KD22a page_load
*m9{V8Yi2 page.smartNavigation=true
#)o7"PW: H3, ut 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 ?
gxwo4., private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
LXj5R99S {
ciudRK63M for(int i=0;i<e.Item.Cells.Count-1;i++)
%%%S"$t if(e.Item.ItemType==ListItemType.EditType)
re^Hc(8M {
jfD1 e.Item.Cells.Attributes.Add("Width", "80px")
]IZ>2!6r }
/`[!_4i }
v!9i"@<! ]ab#q= 26.对话框
7{e=="#* private static string ScriptBegin = "<script language=\"JavaScript\">";
LH2PTW\b!6 private static string ScriptEnd = "</script>";
9'nH2,_ 9xFO]Y" public static void ConfirmMessageBox(string PageTarget,string Content)
+f>c xA
{
Ts9ktPlm string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
06 i;T~Y bUZ_UW ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
G,XPT,:% 9XLFHV(" Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
s
=Umj'1k ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
`]=oo%(h //Response.Write(strScript);
5|I55CTx }
Ub_4yN; cK@jmGj+ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
-oyO+1V !2tW$BP^ 1.1 取当前年月日时分秒
sbj";h=E currentTime=System.DateTime.Now;
RO&H5m r%@ [8XLK 4e 1.2 取当前年
[q*%U4qGO int 年= DateTime.Now.Year;
;@3FF >?lOE
-}^ 1.3 取当前月
WGu%7e] int 月= DateTime.Now.Month;
VsK>6S\T =JS;;PzX[ 1.4 取当前日
rJJ[X4$ int 日= DateTime.Now.Day;
+nL+N l"(6]Z 4 1.5 取当前时
-%CoWcGP int 时= DateTime.Now.Hour;
]m4OIst 4)6xU4eBaL 1.6 取当前分
B@y(. int 分= DateTime.Now.Minute;
ObG|o1b &?,6~qm[ 1.7 取当前秒
lrWQOYf2 int 秒= DateTime.Now.Second;
1f'Hif*r_X BvD5SBa}" 1.8 取当前毫秒
S4^N^lQ] int 毫秒= DateTime.Now.Millisecond;
&HW1mNF9 hm*cw[#O1x 28.自定义分页代码:
-r7]S SOZPZUUEJ 先定义变量 :
+rXF{@
l public static int pageCount; //总页面数
Ih}1%Jq public static int curPageIndex=1; //当前页面
b5G}3)'w fvq,,@23 下一页:
8~lIe:F- if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
)E#2J$TD {
i_Re* DataGrid1.CurrentPageIndex += 1;
3REx45M2 curPageIndex+=1;
ulFzZHJ }
"syh=BC
v WE6a' bind(); // DataGrid1数据绑定函数
U9y|>P\)T "9EE1];NT 上一页:
z4#(Ze@u~_ if(DataGrid1.CurrentPageIndex >0)
mW2,1}Jv {
PNOGN|D DataGrid1.CurrentPageIndex += 1;
OLGBt curPageIndex-=1;
2T@GA1G }
D_mL,w 1n5(S<T bind(); // DataGrid1数据绑定函数
E/&Rb*3 =<r8fXWZ 直接页面跳转:
im} ?rY int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
`p
b5*h6r! %CwL:.| if(a<DataGrid1.PageCount)
do*}syQ`O {
2kAx>R this.DataGrid1.CurrentPageIndex=a;
PWRy7d }
99$
5`R; j*"3t^|- bind();
{t"+
3zy' /+*#pDx/zW 29.DataGrid使用:
!Cgx. 8.'#?]a 添加删除确认:
|7,L`utp private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2sNK {
dkgSvi :! foreach(DataGridItem di in this.DataGrid1.Items)
Xs&TJ8a {
S po?i.# if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
2%*MW"Q {
2!&&|Mh} ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Sxdsv9w }
yR{x}DbG }
T=hh oGn }
?D,=37 } VJfJ/ 样式交替:
kGpa\c
g1 ListItemType itemType = e.Item.ItemType;
3nT
Z)L } )X4K2~k* if (itemType == ListItemType.Item )
}N_NvY {
5@*'2rO&!
e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
EbeI{-'aF e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
'$4O!YI9@ }
+("7ZK? else if( itemType == ListItemType.AlternatingItem)
0 a]/%y3V {
5es[Ph|K5 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Kp+CH7I* e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
k = ?h~n0M }
cvwhSdZu8 pg]BsJN 添加一个编号列:
6wco&7 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
$$:ZX DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
3=-4%%[M@ *[=bR> for(int i=0;i<dt.Rows.Count;i++)
I`z@2Z+pJ {
e><5Pr) dt.Rows["number"]=(i+1).ToString();
*'ZB*> }
nG_6oe*=I @EE."T9 DataGrid1.DataSource=dt;
8M@BG8 DataGrid1.DataBind();
>0p$(>N] + [Hh,I7 DataGrid1中添加一个CheckBox,页面中添加一个全选框
d #jK=:eK private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
2Z20E$Cb {
-,K! foreach(DataGridItem thisitem in DataGrid1.Items)
NEa>\K<\ {
6_N(;6kx( ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
A(]H{>PMy }
EGl^!.' }
s,a}?W E^U0f/5
m 将当前页面中DataGrid1显示的数据全部删除
?xK,mbFgl foreach(DataGridItem thisitem in DataGrid1.Items)
iAa;6mH {
r-,e;o>9 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
5BBD.! {
W2uOR{
'? string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
3>
/K0N|$ Del (strloginid); //删除函数
ko5V9Drc }
+l=r#JF }
R *F l8
Zw
wqSyuGf 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)
@29U@T !bV5Sr^ 在Application_Start中添加以下代码:
BB|?1"neg Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
.xBu-?6s6 AppSettings["ConnStr"].ToString();
\@&_>us \c^45<G2qA 31. 变量.ToString()
}MUn/ [x \=>H6x]q 字符型转换 转为字符串
bTQNb!& 12345.ToString("n"); //生成 12,345.00
FZ8b7nJ)4m 12345.ToString("C"); //生成 ¥12,345.00
_#vrb;.+ 12345.ToString("e"); //生成 1.234500e+004
svXR<7)# 12345.ToString("f4"); //生成 12345.0000
;2Q~0a| 12345.ToString("x"); //生成 3039 (16进制)
O#Wh
TDF" 12345.ToString("p"); //生成 1,234,500.00%
C!7>1I~5 =/\:>+p^.y 32、变量.Substring(参数1,参数2);
Ie%EH 'w1YFdW 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);
SM@QUAXO } (!EuLL 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)
fU!<HDh <SCRIPT language="javascript">
qTQBt} <!--
)Pv9_XKJ function gook(pws)
"W(Q%1!Wi {
N]RZbzK_5G frm.submit();
%w7]@V Z }
}-
Wa`t7U //-->
eilYA_FL. |hr]>P1 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
2<}NB?f`N <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
H<1WbM:w <tr>
`7H4Y&E <td>
EAeqLtFqs <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
qpXWi
&g <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
;V<fB/S.=+ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
uw2hMt (N f47M#UC <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
~/*MY <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
+o9":dl &d|r~NhP </td>
]7e =fM9V; p ]d]QMu </tr>
}*L(;r)q {GJ@psG* </form>
|7zd%! 4rrSb* 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。
o*J3C> !o$!Fr c 下面是获取用户输入的登陆信息的代码:
9V5-%Iv string name;
2p"WTd name=Request.QueryString["EmailName"];
<n#DT {D=@n4JO try
"&3h2(#% {
/i77 int a=name.IndexOf("@",0,name.Length);
KVJ_E!i f_user.Value=name.Substring(0,a);
Dtj&W<NXo f_domain.Value=name.Substring(a+1,name.Length-(a+1));
8-O)Xx}cU f_pass.Value=Request.QueryString["Psw"];
ghRVso( }
KY~-;0x )Eo)t> catch
[ 1u-Q%?# {
YD7Oao4:o Script.Alert("错误的邮箱!");
@mfEKU! Server.Transfer("index.aspx");
#{\%rWnCm }