1. 打开新的窗口并传送参数:
L4 po1 S Qmn*CW 传送参数:
{!I`EN] response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
OxJHhF r Ea(1(I 接收参数:
QbJ7$, 4 string a = Request.QueryString("id");
f7&ni#^Ztj string b = Request.QueryString("id1");
VzT*^PFBg (Y~/9a4X 2.为按钮添加对话框
< se ~wR Button1.Attributes.Add("onclick","return confirm(’确认?’)");
mS%4 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
qz`-?,pF LQF;T7VKS) 3.删除表格选定记录
v[$e{ Dz( int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
-RP{viGWK string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
W? G4>zA J_)F/S!T 4.删除表格记录警告
Te+# private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
K3zY-yIco {
^tTM
7 switch(e.Item.ItemType)
rCo}^M4Pb {
[vr"FLM|9 case ListItemType.Item :
C^$E#|E9 N case ListItemType.AlternatingItem :
)v(rEY case ListItemType.EditItem:
"-:H$ TableCell myTableCell;
,zjz "7' myTableCell = e.Item.Cells[14];
Y~Uf2(7b5 LinkButton myDeleteButton ;
/
B!j`UK myDeleteButton = (LinkButton)myTableCell.Controls[0];
\4 b^*`d myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
?8753{wk break;
%g?M?D8Ud3 default:
v}!lx)# break;
%RW*gUvc] }
(\qf>l+* 5B~]%_gZr }
TFHYB9vV @kSfF[4H 5.点击表格行链接另一页
.nY}_& private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
K-'uE) {
4l0>['K&{ //点击表格打开
>FeCa
hFn if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
56Lxr{+X e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
!~zn*Hm }
O
C;~ H{ LDegJer-v 双击表格连接到另一页
o"qxR'V O=K0KOj 在itemDataBind事件中
\>\ERVEd if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
z&9ljQ
iF {
TTO8tT3[6} string OrderItemID =e.item.cells[1].Text;
WReHep ...
%Ja0:e e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
&tUX( }
:H>I`)bw I*3>>VN 双击表格打开新一页
p63fpnH if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
q>+!Ete1p {
PC5$TJnj3 string OrderItemID =e.item.cells[1].Text;
qbc= kP ...
/{j._4c e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
kP5I+B }
7Ws88Qs) $mT)<N ;w ★特别注意:【?id=】 处不能为 【?id =】
/pRv
i>_(: 6.表格超连接列传递参数
eS Z':p <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
zn/>t-Bc <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
,]t_9B QK TQ![ 7.表格点击改变颜色
Lt~&K$t7~ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Eg&5tAyM {
E\}A<r e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
_*z^PkH this.style.color=’buttontext’;this.style.cursor=’default’;");
+L=Xc^ }
E
6#/@C, \hBzQ%0 写在DataGrid的_ItemDataBound里
y.(< if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
gDJ} <^ {
me@`;Q3 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
SP<(24zdd this.style.color=’buttontext’;this.style.cursor=’default’;");
mY=sh{ir e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
*|q{(KX }
B3yTN6- j 0LZ )V jc3Q3Th/zn 8.关于日期格式
k"=*' 2asRJ97qES 日期格式设定
O:'qwJ#~ DataFormatString="{0:yyyy-MM-dd}"
rPr]f; p/eaO{6 6 我觉得应该在itembound事件中
ml2/}} e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
AP`1hz4].- ~[F7M{LS 9.获取错误信息并到指定页面
GfSD%" h}tC+_"D 不要使用Response.Redirect,而应该使用Server.Transfer
@[v,q_^8 R:l &2 e.g
\(`2 @ // in global.asax
|oOAy protected void Application_Error(Object sender, EventArgs e) {
3zmbx~| =\ if (Server.GetLastError() is HttpUnhandledException)
$[Ut])4
~ Server.Transfer("MyErrorPage.aspx");
.p Mwa :W>PKW`^ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
=i}lh}( }
2xUgM}e "3 ++S Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
GwA\>qXw CL`+\
. 10.清空Cookie
T++q.oFc
Cookie.Expires=[DateTime];
@#^Y#
rxb Response.Cookies("UserName").Expires = 0
"Uf1;;b "J*>g(H53 11.自定义异常处理
|aU8WRq //自定义异常处理类
9,&xG\z= using System;
gB%"JDn8 using System.Diagnostics;
@ G!Ir"Q }tBw<7fe namespace MyAppException
V^!^wLLi {
[jCYj0Qf8 /// <summary>
;K7kBp\d /// 从系统异常类ApplicationException继承的应用程序异常处理类。
ue?3;BF 5 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
a>-qHX-l /// </summary>
0t(c84o5 public class AppException:System.ApplicationException
_Wk*h}x {
SXe1Q8; public AppException()
__+8wC {
<_kA+&T if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
QrFKjmD< }
Y^DGnx("m 3.P7GbN public AppException(string message)
Xf"<
>M {
O8>&J-+2 LogEvent(message);
raSga'uT; }
+84
p/B# } 7:T?
`V: public AppException(string message,Exception innerException)
j[mII5e7g {
|c2sJy j* LogEvent(message);
x)Zm5&"Gg if (innerException != null)
p{v*/<.; {
Zl'/Mxg LogEvent(innerException.Message);
Dk$<fMS,7c }
@vib54G }
?7lW@U0 oa=TlBk< //日志记录类
*_J{_7pwe using System;
_<F;&(o using System.Configuration;
N^wHO<IO1 using System.Diagnostics;
=j~:u.hc' using System.IO;
j+dQI_']x using System.Text;
;;
{K##^l using System.Threading;
N(yd<Mw vf#d namespace MyEventLog
\et2aX ! {
0WKS /// <summary>
4^YE*6z /// 事件日志记录类,提供事件日志记录支持
<}'=@a /// <remarks>
L<iRqayn /// 定义了4个日志记录方法 (error, warning, info, trace)
{_L l'S /// </remarks>
G9am}qr /// </summary>
oD9L5c) public class ApplicationLog
An`*![ {
x@/:{B /// <summary>
F#)bGi /// 将错误信息记录到Win2000/NT事件日志中
~#P]NWW%. /// <param name="message">需要记录的文本信息</param>
fI<d&5&g /// </summary>
]91QZ~4a public static void WriteError(String message)
UU[z\^w| E {
.p o,.} WriteLog(TraceLevel.Error, message);
&Ruq8n< }
mvTp,^1 Jd v;+HN[ /// <summary>
'3sySsD&O /// 将警告信息记录到Win2000/NT事件日志中
$%'3w~h` /// <param name="message">需要记录的文本信息</param>
vGPsjxk& /// </summary>
wD$UShnm9- public static void WriteWarning(String message)
=O8>[u; {
}(XKy!G6
WriteLog(TraceLevel.Warning, message);
8HZ+r/j }
x H=15JY1W d:^B2~j /// <summary>
H[OgnnM /// 将提示信息记录到Win2000/NT事件日志中
IoK/ 2Gp /// <param name="message">需要记录的文本信息</param>
}a9G,@:k /// </summary>
"lt5gu! `u public static void WriteInfo(String message)
:/Es%z
D {
>mR8@kob< WriteLog(TraceLevel.Info, message);
34N~<-9AY }
wYV>Qd
Z /// <summary>
ITn PF{N /// 将跟踪信息记录到Win2000/NT事件日志中
3Z me?o*bY /// <param name="message">需要记录的文本信息</param>
f{[0;qDJ /// </summary>
liLhvcd public static void WriteTrace(String message)
%m[ZU<v {
Z_S{$D WriteLog(TraceLevel.Verbose, message);
Gky^S# }
0WSZhzNyY $)8,dS /// <summary>
aH@-"Wi /// 格式化记录到事件日志的文本信息格式
5U+4vV/* /// <param name="ex">需要格式化的异常对象</param>
O1t$]k: /// <param name="catchInfo">异常信息标题字符串.</param>
kcg\f@d$ /// <retvalue>
`=,emP&(H& /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
[2Nux0g /// </retvalue>
Sl ^PELU /// </summary>
ZE_ public static String FormatException(Exception ex, String catchInfo)
|KS,k|). {
%OO}0OW StringBuilder strBuilder = new StringBuilder();
mb1c9 if (catchInfo != String.Empty)
V?wV*]c {
3b]M\F9 strBuilder.Append(catchInfo).Append("\r\n");
R)\^*tkz7 }
BbCO K strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
woPj>M return strBuilder.ToString();
Za3}:7`Gu }
.PR+_a-X {]dtA&8( /// <summary>
7 [u>#8 /// 实际事件日志写入方法
2u!&Te(!9 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
$of2 lA /// <param name="messageText">要记录的文本.</param>
XM`
H@s7 /// </summary>
#C?M- private static void WriteLog(TraceLevel level, String messageText)
hKWWN`;b ! {
=EA:fq try
r@Jy*2[-Jq {
Yb/*2iWX EventLogEntryType LogEntryType;
/}L2LMIm switch (level)
&TA{US3~ {
Rc1k_fZ} case TraceLevel.Error:
650qG$ LogEntryType = EventLogEntryType.Error;
S 593wfc break;
g; ]' case TraceLevel.Warning:
IVxZ.5:L$ LogEntryType = EventLogEntryType.Warning;
1TGRIe) break;
2xX:Q'\2 case TraceLevel.Info:
cY_ke LogEntryType = EventLogEntryType.Information;
P}A!C9Frh break;
[?KGLUmTAI case TraceLevel.Verbose:
5~ :/%+F0= LogEntryType = EventLogEntryType.SuccessAudit;
aVc{ aP break;
3+h3? default:
SZHgXl3: LogEntryType = EventLogEntryType.SuccessAudit;
pWJEFm break;
*`Vm ncv3 }
`V\?YS} =D Q:0w EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
H;=Fq+ //写入事件日志
{A:uy eventLog.WriteEntry(messageText, LogEntryType);
p`c_5!H qa
)BbK^i }
E
BBd catch {} //忽略任何异常
4m1r@
$ }
Cgh84
2% } //class ApplicationLog
NE8W--Cg| }
wT::b V{ GjHR.p?- 12.Panel 横向滚动,纵向自动扩展
zp1ym}9M <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
\P?X`]NwnO bG@2f" 13.回车转换成Tab
tZKw(<am <script language="javascript" for="document" event="onkeydown">
<]LljTm`i if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
$Emu*' event.keyCode=9;
N~mr@rXC </script>
uij^tN% RLnL9)`W onkeydown="if(event.keyCode==13) event.keyCode=9"
Im/tU6ybV
uu,F5<y[ 14.DataGrid超级连接列
ZqVbNIY DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
N6}/TbfAR jj2\;b:a0 15.DataGrid行随鼠标变色
HRDpFMA/~ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
p.=9[` {
wLXJ?iy3 if (e.Item.ItemType!=ListItemType.Header)
}A24;'} {
M]/aW e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
# Q^".# e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
}a6t <m`V }
Ls9NQy }
cpltTJFg NSB6 2 16.模板列
Kh(`6 f <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
f=R+]XPzz <ITEMTEMPLATE>
crP2jF! <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
d"#Zp </ITEMTEMPLATE>
!ou#g5Q@z </ASP:TEMPLATECOLUMN>
~,HFd` jBw)8~tYm <ASP:TEMPLATECOLUMN headertext="选中">
K -rR)-rI <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
ls]N&!/hq <ITEMTEMPLATE>
U-u?oU-.' <ASP:CHECKBOX id="chkExport" runat="server" />
)P:^A9&_n= </ITEMTEMPLATE>
H,X|-B <EDITITEMTEMPLATE>
chE!,gik <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
'|^:,@8P9 </EDITITEMTEMPLATE>
PWpt\g </ASP:TEMPLATECOLUMN>
p1Zb&:+ GYaP"3Lu 后台代码
\7/yWd{N$ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
U+)p'%f; {
y3dk4s77 //改变列的选定,实现全选或全不选。
`)n4I:)2 CheckBox chkExport ;
Pj-INc96 if( CheckAll.Checked)
:/;/mHG] {
EE!}$qOR foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
d7X&3L%Oq {
K}R+~<bIY chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
p%"dYH%]&0 chkExport.Checked = true;
x.?5-3|d$ }
,JV0ib, }
RU:Rt' else
@%R<3!3v {
'+cI W(F? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
y~
=H`PAE {
`um,S chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
^hC'\09=c chkExport.Checked = false;
MePD:;mm^ }
$>XeC}"x68 }
~t`s&t'c| }
?0VR2Yb${b lS.Adl^k 17.数字格式化
c[dzO.~ ]yU"J:/ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
HB/V4ki <%#Container.DataItem("price","{0:¥#,##0.00}")%>
WVbrbs4 Z .6dL int i=123456;
hi0HEm\ string s=i.ToString("###,###.00");
8vY-bm,e >d 2Fa4u3 18.日期格式化
5~JT*Ny `Z?wj@H1` 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
;<AcW.jx EiW|+@1 显示为: 2004-8-11 19:44:28
/fr> Fd u]J@65~'b 我只想要:2004-8-11 】
*x"80UXL <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
#.bW9j/ $"^K~5Q 应该如何改?
86r5!@WN KQdIG9O+6 【格式化日期】
<$(B [T ^/2I)y]W0 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
k"(]V 0M_oFx 【日期的验证表达式】
x<NPp&GE BX@Iq A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
.V?:&_}_I6 ^((\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})))?$
g7*)|FOb QU|_
r2LM B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
a:h<M^n049 ^\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]))$
|"3<\$[ 7;"0:eX 【大小写转换】
11[lc2 HttpUtility.HtmlEncode(string);
}{o! HttpUtility.HtmlDecode(string)
?{{w[U6NE |cPHl+$nh. 19.如何设定全局变量
o\IMYT uepyH Global.asax中
qLN^9PdEE ,5}U
H Application_Start()事件中
B`5<sW g`7XE 添加Application[属性名] = xxx;
"F<CGSo
BX,)G HE 就是你的全局变量
Aw o)a8e #%0V`BS7n 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
~C.*Vc?| 0+1wi4wy/ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
1uw#;3<L Ifj&S'(): 【ASPNETMENU】点击菜单项弹出新窗口
CLb6XnkcA\ ~GaGDS\V 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
AZtS4]4G) <?xml version="1.0" encoding="GB2312"?>
a|aVc'j <MenuData ImagesBaseURL="images/">
tZrc4$D- <MenuGroup>
kNEEu!G <MenuItem Label="内参信息" URL="Infomation.aspx" >
Lsmcj{1d <MenuGroup ID="BBC">
C|(A/b <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
nV;'UpQw <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
RgE`H r ......
"/#JC}] tT$OnZu& 最好将你的aspnetmenu升级到1.2版
'Wonz<{' mP(3[a_Q 21.读取DataGrid控件TextBox值
t8Zo9q> foreach(DataGrid dgi in yourDataGrid.Items)
g*|j+<:7 {
%\As TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
\{,TpK. tb.Text....
W.7rHa }
{|+Y;V` (L_-!=e 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
!d*[QD8 ^4y]7p 〖思归〗
;SR ESW <asp:TemplateColumn HeaderText="数量">
US6_5>/ <ItemTemplate>
092t6D} <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
R$a<= onkeyup="javascript:DoCal()"
\INH[X#> />
)*|/5wW1 j=_rUc'Me <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
K~x,so </ItemTemplate>
T5BZD
+Ta </asp:TemplateColumn>
G7-BeA8 I$Nh|eM <asp:TemplateColumn HeaderText="单价">
o_b[ * <ItemTemplate>
cPGlT" <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
|m19fg3u onkeyup="javascript:DoCal()"
PJnC />
<P9fNBGa Y4T") <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
)M*w\'M %B3~t> </ItemTemplate>
[}X|&`'i </asp:TemplateColumn>
?mQ^"9^XS GN.Oa$ <asp:TemplateColumn HeaderText="金额">
|Lq8cA)|y <ItemTemplate>
o<2GtF1"o <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
snV*gSUH </ItemTemplate>
=bC
+1
C </asp:TemplateColumn><script language="javascript">
j)1y v. function DoCal()
uGKjZi {
e5h*GKF var e = event.srcElement;
.u`[|:K var row = e.parentNode.parentNode;
N!A20Bv var txts = row.all.tags("INPUT");
tiK?VwaKI if (!txts.length || txts.length < 3)
s>rR\` return;
ejRK-! ;?6vKpj; var q = txts[txts.length-3].value;
A=CeeC]} var p = txts[txts.length-2].value;
(iIw}f)w K,f:X g!: if (isNaN(q) || isNaN(p))
qZoDeN-CC return;
UN I< r I Mgd2qIC q = parseInt(q);
yu?5t?vf p = parseFloat(p);
XGlt^<` F c[KIG3@ txts[txts.length-1].value = (q * p).toFixed(2);
$o"nTl }
k<1yv$/mW </script>
l }{{7~C` BT_]=\zi ]]xKc5CT Ku;fZN[g h@)U,& 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。
KuNLu31% page_load
WSThhI page.smartNavigation=true
wak 26W>I3 x_PO; 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 ?
q:{#kv8 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
)!y>2$20 r {
2FcL-? for(int i=0;i<e.Item.Cells.Count-1;i++)
;D5>iek5 if(e.Item.ItemType==ListItemType.EditType)
}E`Y.=
S {
3f|}p{3 e.Item.Cells.Attributes.Add("Width", "80px")
mDD.D3RS }
L
aTcBcI }
tobE3Od4 LvG.ocCG 26.对话框
F[qXIL) private static string ScriptBegin = "<script language=\"JavaScript\">";
t2&kGf" private static string ScriptEnd = "</script>";
:WhJDx`j
sW^M
] public static void ConfirmMessageBox(string PageTarget,string Content)
>DL {
pjl%Jm string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
4Z)4WGp! N'^>pSc4W| ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
dQut8>0& '1<Z"InU Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
nx9PNl@?V ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
zVh yAf //Response.Write(strScript);
DF%d/a{] }
3)OZf{D[ *miG< 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
;5a$OM Z0|5VLk,<{ 1.1 取当前年月日时分秒
pP\Cwo #, currentTime=System.DateTime.Now;
!3Dq)ebBz o7y<Zd`Bj 1.2 取当前年
0'q4=!l int 年= DateTime.Now.Year;
$CcjuPsK %wD#[<BGn> 1.3 取当前月
yCX5
5: int 月= DateTime.Now.Month;
l\U
Q2i 37bMe@W 1.4 取当前日
Iil2R}1 int 日= DateTime.Now.Day;
WR+j?Fcf !0
7jr%-~ 1.5 取当前时
d[9,J?'OQ int 时= DateTime.Now.Hour;
s"L&y <?) .Xg.,kW 1.6 取当前分
>OG189O int 分= DateTime.Now.Minute;
~Ps *i]n( zI88IM7/ 1.7 取当前秒
!E7gIqo int 秒= DateTime.Now.Second;
l9p
6I o<g?*"TRh 1.8 取当前毫秒
/%$Zm^8c int 毫秒= DateTime.Now.Millisecond;
6]4~]! +cpb!YEAb 28.自定义分页代码:
1nVQYqT_ 2g(_Kdj*{ 先定义变量 :
qLR;:$]Q&8 public static int pageCount; //总页面数
+in)(a. public static int curPageIndex=1; //当前页面
?pL|eS7 tX*@r 下一页:
O7.V>7Y9H if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
UlXm4\@ {
9~p;iiKGG DataGrid1.CurrentPageIndex += 1;
EPo)7<|> curPageIndex+=1;
ZbRRDXk! }
)1 <0c@g= PW*Vfjf4 bind(); // DataGrid1数据绑定函数
x;ik
5-dt0I@< 上一页:
g&RpE41x if(DataGrid1.CurrentPageIndex >0)
"2e3 <:$ {
l;$F[/3a DataGrid1.CurrentPageIndex += 1;
"$BkO[IS curPageIndex-=1;
<O
jK $KV }
2OG/0cP Q0*E&;| bind(); // DataGrid1数据绑定函数
iGW(2.Z g
pciv 直接页面跳转:
g$(Y\`zw int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
y"?`MzcJ0 zD_5TGM= if(a<DataGrid1.PageCount)
3}L3n*Ft#. {
j/V_h'} this.DataGrid1.CurrentPageIndex=a;
a )O"PA}2 }
as07~Xvp- (lsG4&\0F bind();
b+s'B4@rb Aez2n(yac 29.DataGrid使用:
1N/4W6 C&O8fNB_ 添加删除确认:
)Rr6@o private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3h
bHS~ {
>WHajYO" foreach(DataGridItem di in this.DataGrid1.Items)
kV-<[5AWW {
Z<U,]iZB if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
8~ y!X0Ov! {
6Ga'_P: ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
lw=kTYbq }
LcKc#)'EE }
g}9,U&$]y }
lyL6w1 6O4*OR<& 样式交替:
V .Kjcy ListItemType itemType = e.Item.ItemType;
a$W
O}g? AFt- V if (itemType == ListItemType.Item )
V``|<`!gd {
R6~6b&-8 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
PpRS4*nR e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
G>~/ }
1I;q@g0 else if( itemType == ListItemType.AlternatingItem)
XRaGV~ {
F'~r?D e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
?MDo. z3 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
s:<y\1Ay }
jLFaf#G] ;&lXgC^* 添加一个编号列:
(~|)Gmq2 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
|\bNFnn( DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
c coi ~HY)$Yp; for(int i=0;i<dt.Rows.Count;i++)
e_-g|ukC {
51:5rN(_ dt.Rows["number"]=(i+1).ToString();
#jbC@A9Pe }
e{6wFN ~'*23]j DataGrid1.DataSource=dt;
CXUF=IE DataGrid1.DataBind();
R/u0, 2<7pe@c98 DataGrid1中添加一个CheckBox,页面中添加一个全选框
W{Qb*{9 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
{UH45#Ua {
THl:>s foreach(DataGridItem thisitem in DataGrid1.Items)
Tp ;W {
:M6|V_Yp ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
/@"mQx~[q }
kr$)nf }
5REH`- "'BDVxp'w 将当前页面中DataGrid1显示的数据全部删除
r6j[C"@ foreach(DataGridItem thisitem in DataGrid1.Items)
,WdSJ BK'a {
+s}!+I8P if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
D[W`
q#W {
"]^U(m>f string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
w !kk(QMV Del (strloginid); //删除函数
+sJ{9# 6 }
fe\'N4 }
8y<mHJ[B I'D 3~UIf 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)
%2RXrH2&H mAH7;u< 在Application_Start中添加以下代码:
9f['TG," Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
v~RxtTu AppSettings["ConnStr"].ToString();
u!xgLf'` :qS~"@ ?< 31. 变量.ToString()
Qc33CA !/`AM<`o 字符型转换 转为字符串
r
E1ouz!D 12345.ToString("n"); //生成 12,345.00
'"Cqq{* 12345.ToString("C"); //生成 ¥12,345.00
ks$5$,^T2o 12345.ToString("e"); //生成 1.234500e+004
<F`9;WX 12345.ToString("f4"); //生成 12345.0000
:WH{wm| 12345.ToString("x"); //生成 3039 (16进制)
H F*~bL 12345.ToString("p"); //生成 1,234,500.00%
)fXxkOd 5hqXMs 32、变量.Substring(参数1,参数2);
ko.%@Y(= z:UkMn[ 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);
0gyvRM@ x[ D}%VZA}]. 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)
FoIK, MdJ <SCRIPT language="javascript">
q2k}bb + <!--
-X *.scw function gook(pws)
!'\(OFv9Im {
r:xg#&"* frm.submit();
\>T1&JT }
]Y
&
2& //-->
z@~ZMk zt((TD2 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
"=s dn <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
d+Mogku2 <tr>
*{JD=ua <td>
=5:vKL j <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
d*!H&1L <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
I9TNUZq(' <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
=PU@'OG 0o6r3xc; <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
5Bcmz'?! <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
X:FyNUa ;J?fK69% </td>
^=I[uX-3ue r?`nc6$0| </tr>
kPEU }Kv +Kmxo4p </form>
uA?a
DjA }zo-%# 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。
>iJxq6! ?h7[^sxJ 下面是获取用户输入的登陆信息的代码:
u`L* string name;
Ty 6 XU! name=Request.QueryString["EmailName"];
aF=;v* nP=/XiCj try
VuBi_v6 {
1^Q!EV int a=name.IndexOf("@",0,name.Length);
acpc[^' f_user.Value=name.Substring(0,a);
$
z+
=lF f_domain.Value=name.Substring(a+1,name.Length-(a+1));
Z\-Gr
2k f_pass.Value=Request.QueryString["Psw"];
7|m{hSc }
8Z@O%\1x6 X7aj/:fXe catch
hO3C _} {
8BIPEY -I? Script.Alert("错误的邮箱!");
[woxCfSA Server.Transfer("index.aspx");
?s 0")R& }