1. 打开新的窗口并传送参数:
O4l]Q sTmY'5ry 传送参数:
xRTr@ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Y1=.46Ezf j B.ZF7q 接收参数:
n#\ t_/\ string a = Request.QueryString("id");
N51g<K string b = Request.QueryString("id1");
`fL81)!jI# R=/^5DZ} 2.为按钮添加对话框
=&9x}4`;% Button1.Attributes.Add("onclick","return confirm(’确认?’)");
!%8|R]d button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
+?&|p0 pz
uR H1[ 3.删除表格选定记录
@+iO0?f int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
v +$3Z5 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
:<"b"{X" *'BA#
/@ 4.删除表格记录警告
\H6[6*JuB private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
CLn}BxgD {
K0YUN^St switch(e.Item.ItemType)
px7<;(I {
$>Mqo case ListItemType.Item :
\NgBF case ListItemType.AlternatingItem :
#<4/ * < 5 case ListItemType.EditItem:
<
.\2Ec TableCell myTableCell;
z]\CI: myTableCell = e.Item.Cells[14];
S8S<>W LinkButton myDeleteButton ;
,xhB myDeleteButton = (LinkButton)myTableCell.Controls[0];
O)Wc\- myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
df'xx)kW break;
>}?4;:.= default:
M@wQ6ow break;
"i5Rh^ }
fc,^H& VK~ OL }
"&@v[O)!xu O]/BNacS 5.点击表格行链接另一页
rB<za I\V private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
N.l\2S} {
5VLJ:I?0O //点击表格打开
u` j9m@` if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
8B|qNf `Yi e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
sy
s6 V? }
"c'K8,+? %XUV[L} 双击表格连接到另一页
b+6%Mu}o `H#G/zOr 在itemDataBind事件中
~8htg8CZ` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
(mvzGXNz4 {
/8s+eHn&% string OrderItemID =e.item.cells[1].Text;
3P&K<M#\ ...
8'nxc#& e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Mu~DB:Y9e }
u#>*"4Q 5Vj t!%?r 双击表格打开新一页
fNh0?/3) if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_$f XK {
O!
t>
@%) string OrderItemID =e.item.cells[1].Text;
+hW^wqk/. ...
j/h>G,>T= e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
z4UJo!{S }
'u)zQAaw. kpQXnDm2 ★特别注意:【?id=】 处不能为 【?id =】
7^3a296 6.表格超连接列传递参数
E7c!KJ2 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
SFaG`T= <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
i_KAD U&mP 4uSC> 7.表格点击改变颜色
.w@o%AO_ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
dh;
L! {
B0&W wa: e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
/Ayo78Pi this.style.color=’buttontext’;this.style.cursor=’default’;");
>E:V7Fa }
AfV
a[{E Pv>W`/*_,s 写在DataGrid的_ItemDataBound里
$QbaPmHW if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
zdh&,!] F6 {
AD=qB5: e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
HuCzXl this.style.color=’buttontext’;this.style.cursor=’default’;");
VD).UdUn e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
DNu^4#r }
([+u U! j1sZRl)D u6pfc'GG g 8.关于日期格式
U,_jb}$Sq7 .0gF&>I} 日期格式设定
2X@|H DataFormatString="{0:yyyy-MM-dd}"
Q^_*&},V QUSyVp{$ 我觉得应该在itembound事件中
lCznH?[ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
4,yS7l lls-Nir% 9.获取错误信息并到指定页面
,Zs"r}G^ Z_tK3kQa@& 不要使用Response.Redirect,而应该使用Server.Transfer
^kElb;d YgFmJ.1 e.g
Go8?8* // in global.asax
IeZgF> protected void Application_Error(Object sender, EventArgs e) {
x9NcIa9 if (Server.GetLastError() is HttpUnhandledException)
T]#S=]G Server.Transfer("MyErrorPage.aspx");
<NVSF6` Uql|32j //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
U11bQ4ak }
C@7<0w 9|}u"jJB%E 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
eOdB<He36 [RqL0EP 10.清空Cookie
Z^'i16 Cookie.Expires=[DateTime];
yGN2/>] Response.Cookies("UserName").Expires = 0
K< ;I*cAX B_u1FWc 11.自定义异常处理
d8o<Q 9 //自定义异常处理类
qMj'% 5/ using System;
$XOs(>~"r using System.Diagnostics;
y7?n;3U]CS ioZ{2kK namespace MyAppException
X,Q'Xe/ {
1_aUU,|. /// <summary>
("+J*u*kq_ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Kpx(x0^2 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
RF,[1O-\O /// </summary>
Vh1R!>XY public class AppException:System.ApplicationException
bIR&e E {
04u^Q public AppException()
Yr\pgK, {
WLB@]JvTBY if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
*T+Bjj;w }
^Qx
qv ."u-5r<O public AppException(string message)
{4%B^+}T
{
VXM5
B LogEvent(message);
Uh9p,AV }
tE~OWjL ?$>#FKrt public AppException(string message,Exception innerException)
>3v
j<v}m {
pel{ ;r LogEvent(message);
>Fzs%]M if (innerException != null)
C}= *%S {
)Td;2 LogEvent(innerException.Message);
-{^I T` }
HoTg7/iK }
?
_>L<Y YoT<]' //日志记录类
d[p-zn. using System;
rKtr&w7X using System.Configuration;
dE`a1H% using System.Diagnostics;
)C@O7m*.4 using System.IO;
8~~*/oCoJt using System.Text;
9Ez>srH( using System.Threading;
e)#O-y /p&V72 namespace MyEventLog
Q^|ZoJS {
h}T+M BA% /// <summary>
;AjY-w /// 事件日志记录类,提供事件日志记录支持
Rfk8trD B /// <remarks>
O/|,rAE /// 定义了4个日志记录方法 (error, warning, info, trace)
(pU@$H /// </remarks>
yqY nd<K4 /// </summary>
b `7vWyp public class ApplicationLog
wOlnDQs {
4=Wtv/
3 /// <summary>
]WO0v`xh /// 将错误信息记录到Win2000/NT事件日志中
,bLHkBK /// <param name="message">需要记录的文本信息</param>
aR2Vvo /// </summary>
T&ECGF;Y/ public static void WriteError(String message)
>Z\{P8@k0 {
d"P\ =`+ WriteLog(TraceLevel.Error, message);
MHm=X8eg }
G[pDKELL d,c8ks( /// <summary>
U)PNY /// 将警告信息记录到Win2000/NT事件日志中
r}9a31i /// <param name="message">需要记录的文本信息</param>
/CE]7m,7~K /// </summary>
vq.~8c1 public static void WriteWarning(String message)
;?*`WB {
=Fd!wkB'{ WriteLog(TraceLevel.Warning, message);
T[z}^" }
g?}$"=B l$1z%|I /// <summary>
!'
D1aea5 /// 将提示信息记录到Win2000/NT事件日志中
oC~8h8"l /// <param name="message">需要记录的文本信息</param>
|2YkZ nJn /// </summary>
sM4Qu./ public static void WriteInfo(String message)
{1<XOp#b {
n0nvp@?7bJ WriteLog(TraceLevel.Info, message);
@jKiE%OP }
{DI`HB[ /// <summary>
BJ
c'4> /// 将跟踪信息记录到Win2000/NT事件日志中
8@}R_GZc /// <param name="message">需要记录的文本信息</param>
V[w Y;wj /// </summary>
%y{f]m public static void WriteTrace(String message)
Qh0tU<jG {
/9K,W)h_ WriteLog(TraceLevel.Verbose, message);
TSl:a & }
L,m'/}$ Y/3CB /// <summary>
tfSY(cXg'T /// 格式化记录到事件日志的文本信息格式
NB["U"1[^E /// <param name="ex">需要格式化的异常对象</param>
RW?F{Jy{ /// <param name="catchInfo">异常信息标题字符串.</param>
;T9u$4< /// <retvalue>
tR!!Q /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
uA'S8b%C /// </retvalue>
:Z}d#Rbl /// </summary>
ae&i]K; public static String FormatException(Exception ex, String catchInfo)
TIs~?wb$ {
HB>&}z0 StringBuilder strBuilder = new StringBuilder();
ir72fSe if (catchInfo != String.Empty)
yR`X3.:*] {
M;96Wm strBuilder.Append(catchInfo).Append("\r\n");
"&_$%#HUv }
F7FUoew< strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
]YO &_# return strBuilder.ToString();
N FVr$?P }
61XLL/=P Ve]ufn6 /// <summary>
zQ&k$l9 /// 实际事件日志写入方法
.tg2HKD_lW /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
2/T4.[`t /// <param name="messageText">要记录的文本.</param>
k^JV37;bl /// </summary>
c]eDTbXd private static void WriteLog(TraceLevel level, String messageText)
{.D^2mj| {
zq:+e5YT?T try
n]15 ~GO. {
MHuQGc"e+4 EventLogEntryType LogEntryType;
Xscm>.di switch (level)
9*thqs3J#d {
g!#M0 case TraceLevel.Error:
4*)a3jI? LogEntryType = EventLogEntryType.Error;
MRI`h. break;
s_/a1o case TraceLevel.Warning:
]uikE2nn LogEntryType = EventLogEntryType.Warning;
jHU5>Gt-} break;
ja<!_^h=At case TraceLevel.Info:
5i<E AKL LogEntryType = EventLogEntryType.Information;
PNSV?RT*pG break;
!XJvhsKX y case TraceLevel.Verbose:
g`2DJi&) LogEntryType = EventLogEntryType.SuccessAudit;
Ojh\H break;
L.E6~Rv default:
,y>%m;jL LogEntryType = EventLogEntryType.SuccessAudit;
;Sc}e/WJj break;
by:"aDGK. }
zZhAH('fG oy;g;dtq EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
rt_k } //写入事件日志
A ;06Zrf1 eventLog.WriteEntry(messageText, LogEntryType);
c2tf7fkH ^57G]$Q }
s`Y8&e.Yr catch {} //忽略任何异常
-msfiO }
\8KAK3i' } //class ApplicationLog
+ YjK# }
;cFlZGw *ommU(r8 12.Panel 横向滚动,纵向自动扩展
2b[R^O} <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
qwERy{]Sp; :4 &q2- 13.回车转换成Tab
'l&),]|$) <script language="javascript" for="document" event="onkeydown">
&e-MOM2& if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
#Yqj27& event.keyCode=9;
.# Jusd </script>
5>S<9A|Q 6]Vf`i onkeydown="if(event.keyCode==13) event.keyCode=9"
&f;<[_QI= T>!Y-e.q 14.DataGrid超级连接列
/qKO9M5A DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
y5p)z" PQ#zF&gL9t 15.DataGrid行随鼠标变色
zL%ruWNG private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
4P>4d + {
IwTAM9n if (e.Item.ItemType!=ListItemType.Header)
" iz'x-wy {
k)a3j{{ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
vg.K-"yQW e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
|e]2 >NjQa }
#77p>zhY }
&nRbI:R qgk-[zW# 16.模板列
B5pWSS <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
8+?|4'\` <ITEMTEMPLATE>
{SQ#n@Q&$ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
d:_3V rRZ </ITEMTEMPLATE>
/'ukeK+' </ASP:TEMPLATECOLUMN>
Jtv~n g]ct6-m <ASP:TEMPLATECOLUMN headertext="选中">
q_R^Q>ZIe <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
BM }{};p6 <ITEMTEMPLATE>
}OJ,<!v2pc <ASP:CHECKBOX id="chkExport" runat="server" />
2`]`nTz, </ITEMTEMPLATE>
G]$.bq[v <EDITITEMTEMPLATE>
}(yX$ 3?` <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
/_?y]Ly[r </EDITITEMTEMPLATE>
1 p|h\H </ASP:TEMPLATECOLUMN>
HgY> M`U B=R9K3f 后台代码
0wA?.~ L protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
b.4H4LV {
{'^!S"9x //改变列的选定,实现全选或全不选。
K,$Ro@! CheckBox chkExport ;
Wifr%&t{J if( CheckAll.Checked)
2H]~X9,z2 {
HTa]T' foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
fl4z'8P"( {
ij|+MX chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
0o>l+c chkExport.Checked = true;
f\zu7,GU }
Vt[Kr }
$ lC*q else
H;=JqD8` {
p_Yx"nO7 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
oA;> z {
|_H{B+. chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
O^_$cq chkExport.Checked = false;
fPj*qi }
9?6]Zag }
(9A`[TRwi }
Wb;x
eG < 9 vS 17.数字格式化
u~-,kF@ c[6=& 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Rr!oT?6J? <%#Container.DataItem("price","{0:¥#,##0.00}")%>
^]_5oFRIj UD+r{s/% int i=123456;
f-'$tMs string s=i.ToString("###,###.00");
op|:XLR5 03$lg DQ 18.日期格式化
SBbPO5^]( RPh8n4&(" 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
p?#%G`dm z^YL$ 显示为: 2004-8-11 19:44:28
,xzSFs>2 @Q%g#N 我只想要:2004-8-11 】
s7(I <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
,RYahu Li{R?Osx 应该如何改?
8K;wX%_, h88IP:bo 【格式化日期】
Y;B#_}yF f'-)
3T 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
@&4s)&-F }vof| (Yh 【日期的验证表达式】
~Bi{k'A9 6tDCaB A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
_XP3|E;I/ ^((\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})))?$
pRTdP/(OQ F VVpyB| B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
LL}b]B[ ^\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]))$
M,WC+")Z= {-'S#04 【大小写转换】
n#fc=L1U HttpUtility.HtmlEncode(string);
&58TX[# HttpUtility.HtmlDecode(string)
)`V__^ t%'0uB#v1 19.如何设定全局变量
I~f8+DE) -AX[vTB Global.asax中
bpv?$j-j 2{gd4Kt6. Application_Start()事件中
zB@@Gs> [-pB}1Dxb 添加Application[属性名] = xxx;
XY*KWO V!3.MQM 就是你的全局变量
=#Qm D= a#NP69 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
C\d5t4s ud@7%% HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
OQC.p,SO e|~s'{3 【ASPNETMENU】点击菜单项弹出新窗口
J ;e/S6l Dj$W?dC"^ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
y9@DlK <?xml version="1.0" encoding="GB2312"?>
=w/S{yC
<MenuData ImagesBaseURL="images/">
%x5zs ]4^ <MenuGroup>
,VTX7vaH <MenuItem Label="内参信息" URL="Infomation.aspx" >
j}devpO <MenuGroup ID="BBC">
SB<09|2 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
N:yyDeGyW <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
H5'Le{ ......
?\J.Tv$$$ Pqc+p E 最好将你的aspnetmenu升级到1.2版
;[[GA0 (9X>E+0E 21.读取DataGrid控件TextBox值
qt
!T%K foreach(DataGrid dgi in yourDataGrid.Items)
Wt8=j1> {
~
""?: TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
r:n-?P tb.Text....
Hswgv$n }
9"RGf 1] Jc74A=sT 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
?4&C)[^ 1MF0HiC 〖思归〗
g12mSbf=9 <asp:TemplateColumn HeaderText="数量">
hV6=-QL*B <ItemTemplate>
u3XQ<N{Gj <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
faJ>,^V# onkeyup="javascript:DoCal()"
N!hS`< } />
G;CB%qXI HxXCxI3 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
nP+]WUnY </ItemTemplate>
A`
iZ"? </asp:TemplateColumn>
0k7kmDW ~=pAy>oV <asp:TemplateColumn HeaderText="单价">
#!n"),3 <ItemTemplate>
+ mqz)-x <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
^^{gn3xJ onkeyup="javascript:DoCal()"
,svj(HP$ />
ZGHh!Ds; RlH~<|XK <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
!]v &/ NxyrP**j </ItemTemplate>
g^qbd$ } </asp:TemplateColumn>
FlPPz +l,6}tV9 <asp:TemplateColumn HeaderText="金额">
?g5u#Q>! <ItemTemplate>
ONkHHyT <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
M\f1]L|8d </ItemTemplate>
]mW)T0_ </asp:TemplateColumn><script language="javascript">
F|seBBu function DoCal()
&d8z`amP {
=`oQcIkz var e = event.srcElement;
,PyA$Z var row = e.parentNode.parentNode;
\EC=#E( var txts = row.all.tags("INPUT");
)Fo1[:_B' if (!txts.length || txts.length < 3)
h"-}BjL return;
BW61WH? tUp'cG var q = txts[txts.length-3].value;
]DaC??%w var p = txts[txts.length-2].value;
>cEB,@~ D}| 30s?u1 if (isNaN(q) || isNaN(p))
[9O,C-Mk return;
xzRs;AXOp 2EdKxw3$] q = parseInt(q);
^6Std
x_ p = parseFloat(p);
i7m=V T R4R SXV txts[txts.length-1].value = (q * p).toFixed(2);
VgSk\:t }
hSvA
dT]m </script>
O+o4E?} bLHj<AX#>| qC%[J:RwF 6,C,LT2^( Nd"Rt 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。
gmY*}d`
'f page_load
p=U/l#xO page.smartNavigation=true
VS:UVe cVR3_e{&H 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 ?
9_6.%qj& private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
\G}$+ {
DB^"iof for(int i=0;i<e.Item.Cells.Count-1;i++)
t!g9,xG<X if(e.Item.ItemType==ListItemType.EditType)
Px>Gc:!> {
nn"Wn2ciS e.Item.Cells.Attributes.Add("Width", "80px")
#e!4njdM }
0V:DeX$bZ }
RRNoX} QqC4g] 26.对话框
Eoj 2l&\ private static string ScriptBegin = "<script language=\"JavaScript\">";
'Gw;@[ private static string ScriptEnd = "</script>";
E/MNz}+ Tu'/XUs;k public static void ConfirmMessageBox(string PageTarget,string Content)
XQ{G) {
UI*^$7z1 + string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
1Ugyjjlz ?`nF"u> ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
r*'X ]q|L+ 6G<t1?_yD Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
xF+a.gAIb ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
;Ly(O'9 //Response.Write(strScript);
Ef1R?< }
M#sDPT e*Gm()Vu, 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
o@o6<OP^ myVV5#{ 1.1 取当前年月日时分秒
9Q#eu~R currentTime=System.DateTime.Now;
>t/P^fr_F DiB~Ovh| 1.2 取当前年
z_dorDF8`> int 年= DateTime.Now.Year;
s{- `y`JP lD8&*5tDmP 1.3 取当前月
5PJB<M_m: int 月= DateTime.Now.Month;
&?@gUk74" 6;lJs,I1w{ 1.4 取当前日
+G!N@O int 日= DateTime.Now.Day;
r~sx]=/ m})q8b!S 1.5 取当前时
%G<!&E!0h int 时= DateTime.Now.Hour;
PC| U] 0`KB|=> 1.6 取当前分
M1MpR+7S int 分= DateTime.Now.Minute;
U#O6l-xe] (;V=A4F-D 1.7 取当前秒
*ay>MlcV2= int 秒= DateTime.Now.Second;
?,JN? Dj<]eG] 1.8 取当前毫秒
iI[Z|"a 21 int 毫秒= DateTime.Now.Millisecond;
>@yHa'*9S 3&D;V;ON}_ 28.自定义分页代码:
&=sVq^d@qe R;P>_ei(LK 先定义变量 :
<"uT=]wZ= public static int pageCount; //总页面数
o@`&
h}
$ public static int curPageIndex=1; //当前页面
[mSK!Y@u ?I` BbT} 下一页:
O?8^I< if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
{(7D=\eU {
uv++Kj! DataGrid1.CurrentPageIndex += 1;
|5wuYG curPageIndex+=1;
1Ftl1uf }
JD^&d~n_ :<OInKE>Cx bind(); // DataGrid1数据绑定函数
?"p:6%GFz =?`5n|A* 上一页:
E6SGK,f0D if(DataGrid1.CurrentPageIndex >0)
J~5VL |ca {
K_iy^|0)5] DataGrid1.CurrentPageIndex += 1;
rSIb1zJ curPageIndex-=1;
8@)/a }
Hp_3BulS< ~RVx~hh bind(); // DataGrid1数据绑定函数
J?XEF@?'G Ve,_;<F]S 直接页面跳转:
1NO<K` int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
C7(kV{h$d j:%~: if(a<DataGrid1.PageCount)
8k$iz@e {
,Ty>sZ#/fz this.DataGrid1.CurrentPageIndex=a;
?Uzs^rsb }
"h/{YjUS J9oGwP bind();
f[n#Eu} bA-=au?o5 29.DataGrid使用:
'#SacJ\L7
L&qzX) 添加删除确认:
DRD%pm( private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
R1z\b~@" {
l1~>{:mq foreach(DataGridItem di in this.DataGrid1.Items)
4WnB{9
i`I {
YF=@nR$_~j if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
+]Oq{v:e {
oy!W$ ?6 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
G 3P3 }
(=${@=!z }
t;9f7~ }
[R j=k)aBm <CL0@?*i9 样式交替:
+MKr.k2 ListItemType itemType = e.Item.ItemType;
uXuMt
a*Y o<e AZ if (itemType == ListItemType.Item )
N}wi<P:*) {
i=%wZHc; e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
.J3lo: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
S @\Pki+n[ }
aWVJx@f else if( itemType == ListItemType.AlternatingItem)
E9 QA<w {
\%9,<-~[ e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
@b2{'#9]} e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
9rX[z : }
z3b8 }io9Hk>| 添加一个编号列:
"4LYqDe DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
__""!Yz DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
vBd^=O 0fnd9`N!0 for(int i=0;i<dt.Rows.Count;i++)
OvU]|4h {
-IJt( X| dt.Rows["number"]=(i+1).ToString();
`gy]|gS#b }
8vB~1tl; w,]cFT DataGrid1.DataSource=dt;
y";{k+ DataGrid1.DataBind();
pi? q<p% 8^ ;[c DataGrid1中添加一个CheckBox,页面中添加一个全选框
)`Tny]M private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Q"CZ}B1< {
MP?9k )f foreach(DataGridItem thisitem in DataGrid1.Items)
\cvui^^n {
@*L^Jgn ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
G*e/Ft.wf8 }
`9eE139V=' }
HE+y1f] ,U2
/J 将当前页面中DataGrid1显示的数据全部删除
J0w[vrs&] foreach(DataGridItem thisitem in DataGrid1.Items)
uk_?2?>-5 {
0X#tt`;
if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
m2%uGqz {
N(Us 9 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
7ZS5u+o Del (strloginid); //删除函数
?3Wh.%n }
-yOrNir}W }
.hlr)gF&) UNq!| 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)
4xU[oaa ~f2H@# 在Application_Start中添加以下代码:
'=@O]7o~ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
i NzoDmE* AppSettings["ConnStr"].ToString();
-G]\"ZGi AV AF!Z 31. 变量.ToString()
q~.\NKc Q4-d2I>0 字符型转换 转为字符串
pox\Gu~.0 12345.ToString("n"); //生成 12,345.00
.Xh ^L 12345.ToString("C"); //生成 ¥12,345.00
1=OXi!G 12345.ToString("e"); //生成 1.234500e+004
_S/bwPj|~y 12345.ToString("f4"); //生成 12345.0000
^x%yIS 12345.ToString("x"); //生成 3039 (16进制)
~!j1</$_ 12345.ToString("p"); //生成 1,234,500.00%
#\iQ`Q<B Yul-.X 32、变量.Substring(参数1,参数2);
@DfjeS)u^ O9oVx4= 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);
83:m7; &fq-U5zH 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)
Skl1%` <SCRIPT language="javascript">
Nqp%Z7G <!--
p0? XR function gook(pws)
=&xamA) {
d~uK/R-KD frm.submit();
=(K;z9OR }
L{Epkay,{ //-->
:51Q~5k4
e2UbeP </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Ps7( 4% <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
c, \TL
] <tr>
lQ!ukl) <td>
ZU7e1VaZM <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
UL$^zR3%d <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
dgE|*1/0 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
aePhtQF 8263
<INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
A!H6$-W|p <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
gCz^JM ~HI|t2C </td>
{>fvyF IfeG"ua| </tr>
.VuZ= (A\qZtnyl </form>
8},!t\j#] SC74r?NFA 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。
Z%6I$KAN8 k# ZO4 下面是获取用户输入的登陆信息的代码:
-o6K_R}R string name;
h|m h_T{+ name=Request.QueryString["EmailName"];
*5sr\b4#S K=M5d^K<E try
NtkEb : {
.<^dv?@ int a=name.IndexOf("@",0,name.Length);
l~AmHw
e f_user.Value=name.Substring(0,a);
,*?bET
$ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
k]`I3>/L f_pass.Value=Request.QueryString["Psw"];
cgc|G }
~EW
(2B{u + B%fp* catch
nYY@+%`]z {
\gki!!HQ Script.Alert("错误的邮箱!");
Nj*J~&6G Server.Transfer("index.aspx");
U:~O^ }