1. 打开新的窗口并传送参数:
@@Vf"o+S ejC== Fkc 传送参数:
C6(WnO{6 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
(eJYv:
^ -4'yC_8t 接收参数:
pZe:U;bb string a = Request.QueryString("id");
4).>b3OhX string b = Request.QueryString("id1");
~F9WR5}] ^ql+l~ 2.为按钮添加对话框
Ga}&% Button1.Attributes.Add("onclick","return confirm(’确认?’)");
_rf button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
nyR4E}@:O 7ezf.[{R 3.删除表格选定记录
B0}f,J\ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
mH*6Q> string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
t&=]>blIs D$
+"n 4.删除表格记录警告
Xm}~u?$3 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
CJu3h&Rp {
f,}]h~w\ switch(e.Item.ItemType)
wH Q$F(by {
');QmN%J case ListItemType.Item :
RAW(lZ(
case ListItemType.AlternatingItem :
1f^4J~{ case ListItemType.EditItem:
\;Ywr3 TableCell myTableCell;
53cW`F myTableCell = e.Item.Cells[14];
jPf*qe>U LinkButton myDeleteButton ;
fUgI*V myDeleteButton = (LinkButton)myTableCell.Controls[0];
4#BoS9d2I< myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
)R`w{V break;
X#*|_(^ default:
;n,@[v break;
;Y>cegG\ }
$!_]mz6* ,
1{)B }
(S["
ak jTJ]: EN 5.点击表格行链接另一页
T7{Z0- private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
.<C}/Cl {
:LwNOuavN //点击表格打开
xW;-=Q if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
GKNH{|B$D e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
2So7fZa^wg }
U ExK|t dM1)wkbET 双击表格连接到另一页
UldG0+1d /Ma"a
^ 在itemDataBind事件中
;h"?h*}m!\ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
,HFoy-Yq {
duKR;5: string OrderItemID =e.item.cells[1].Text;
YkKq}DXj ...
L27i_4E, e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
"38ya2* }
.V?i 3 `% x6;Ha 双击表格打开新一页
:+SpZ> if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
&T8prE? {
/ 1jb8w' string OrderItemID =e.item.cells[1].Text;
;O2r+n ...
|?!Ew# w e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
Q-!a;/ }
4u
zyU_ ;@@1$mzK ★特别注意:【?id=】 处不能为 【?id =】
IZ;%lV7t 6.表格超连接列传递参数
: qKxm( <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
+Zx+DW cq <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
z6K"}C% qd B@P 7.表格点击改变颜色
':fq if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
_tg&_P+kV {
MU^7(s=" e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
~$N%UQn?b# this.style.color=’buttontext’;this.style.cursor=’default’;");
~5HI9A4^ }
P{eL;^I hY.zwotH 写在DataGrid的_ItemDataBound里
u $N2uFc if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
VR>;{>~ {
mACj>0Z' e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
uhFj|r$$ this.style.color=’buttontext’;this.style.cursor=’default’;");
szC~?]<YY e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
N.|Zh+! }
s fxQ #L{QnV.3 I-NzGx2u 8.关于日期格式
PF-7AIxs" 4425,AR 日期格式设定
Y" s1z<? DataFormatString="{0:yyyy-MM-dd}"
pC2r{- -i@1sNx&' 我觉得应该在itembound事件中
0)V<)"i e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
`?Yh`P0 ldo7}<s 9.获取错误信息并到指定页面
iNR6BP
W 5uK:f\y)l 不要使用Response.Redirect,而应该使用Server.Transfer
N9D<wAK##) J 21D/#v e.g
+k'5W1e // in global.asax
) =<,$|g protected void Application_Error(Object sender, EventArgs e) {
&UUIiQm~ if (Server.GetLastError() is HttpUnhandledException)
&j,rq?eh$ Server.Transfer("MyErrorPage.aspx");
F7`3,SzHp Gw*n,*pz //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
:0.Z/s - }
e g#.f` hbhh
m 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
q"5iza__H |~bl%g8xP 10.清空Cookie
[0D( PV(n Cookie.Expires=[DateTime];
pq6}q($Rk Response.Cookies("UserName").Expires = 0
[Z484dS`_ rS>JzbWa 11.自定义异常处理
?k~(E`ZE3 //自定义异常处理类
dF*@G/p>V using System;
}+0{opY4R using System.Diagnostics;
;CD.8f]N Dx =ms^oN5 namespace MyAppException
7z"xjA {
{T
Z7>k /// <summary>
F
kp;G /// 从系统异常类ApplicationException继承的应用程序异常处理类。
nZa.3/7dJ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
z!5^UD8"W /// </summary>
^c}Z$V public class AppException:System.ApplicationException
k7Fa+Y)K7 {
~#dNGWwG public AppException()
LQ"56PP< {
*ta
``q if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
NIeT.! }
5 fjeBfy ja}_u}: public AppException(string message)
4;_{* U- {
7</&=lly LogEvent(message);
Z9s tB>? }
]lzt"[ bo rt2k public AppException(string message,Exception innerException)
TmG$Cjf84 {
ua*k{0[ LogEvent(message);
-:`$8/A| if (innerException != null)
o&1ewE(O] {
q4<3 O"c1 LogEvent(innerException.Message);
kJqgY| }
Qwb=N }
n4+l,~ 0.C y4sH' //日志记录类
]'=]=o~4 using System;
u~\u8X3 using System.Configuration;
S1&mY'c using System.Diagnostics;
dJM)~Ay- using System.IO;
wp`a:QZ8N using System.Text;
2&O!<C j using System.Threading;
&a% |L=FY @Hj5ZJ
3 namespace MyEventLog
1+RG@Cp {
LY[XPV]t /// <summary>
4df)?/ /// 事件日志记录类,提供事件日志记录支持
=vMFCp;mv /// <remarks>
V} Y %9V /// 定义了4个日志记录方法 (error, warning, info, trace)
7y:%^sl /// </remarks>
u?Jw) ` /// </summary>
n1`D:XrE public class ApplicationLog
'5.n28W> {
QWv+Ja /// <summary>
/=A?O\B7 /// 将错误信息记录到Win2000/NT事件日志中
('pNAn!] /// <param name="message">需要记录的文本信息</param>
%geiJ z /// </summary>
T>s~bIzL*e public static void WriteError(String message)
F6R+E;"4R' {
zE5%l`@|o WriteLog(TraceLevel.Error, message);
9(DS"fgC }
$-m@cObw!. C
Fq3 /// <summary>
N"/jn_>+j /// 将警告信息记录到Win2000/NT事件日志中
$Zp\^cIE+ /// <param name="message">需要记录的文本信息</param>
bsy\L|wd /// </summary>
Lt0JUUa0 public static void WriteWarning(String message)
pb1/HhRR^n {
TaeN?jc5 WriteLog(TraceLevel.Warning, message);
"Q6oPDX( }
"S.5_@? | ?3\xw /// <summary>
RUUV"y /// 将提示信息记录到Win2000/NT事件日志中
ZIQy}b' /// <param name="message">需要记录的文本信息</param>
;@GlJ
'$; /// </summary>
\ni?_F(Y public static void WriteInfo(String message)
A;n3"" {
PjNOeI@G WriteLog(TraceLevel.Info, message);
w~hO)1c],: }
"2q}G16K /// <summary>
fy" q /// 将跟踪信息记录到Win2000/NT事件日志中
6/Y3#d /// <param name="message">需要记录的文本信息</param>
`z%f@/:fG /// </summary>
4Tgy2[D?q public static void WriteTrace(String message)
2{Nv&ZX? {
% 1ZJi}~ WriteLog(TraceLevel.Verbose, message);
yEyx.Mh.Af }
4;'o`K~* Aq%TZ_m /// <summary>
<QFT>#@T /// 格式化记录到事件日志的文本信息格式
}.ZX.qYX /// <param name="ex">需要格式化的异常对象</param>
%!I7tR#; /// <param name="catchInfo">异常信息标题字符串.</param>
Gs;wx_k^ /// <retvalue>
m`gH5vQa /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
e/JbRbZX /// </retvalue>
b?eIFI&w^l /// </summary>
\,)('tUE public static String FormatException(Exception ex, String catchInfo)
L,c@Z@ {
3:Q5dr+1_ StringBuilder strBuilder = new StringBuilder();
:["iBrFp if (catchInfo != String.Empty)
OjTb2[Q {
|l)SX\Qf`@ strBuilder.Append(catchInfo).Append("\r\n");
L#mf[a@pCn }
HZC^Q7]hy strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
[E<NEl* return strBuilder.ToString();
=V~pQbZ }
>J!4x(;Yh 7p*PDoM6` /// <summary>
VA+
?xk /// 实际事件日志写入方法
P}hHx<L /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
t=o2:p6& /// <param name="messageText">要记录的文本.</param>
&7_xr.c7 /// </summary>
/ r6^]grg private static void WriteLog(TraceLevel level, String messageText)
_Y@vO {
W5 ^eCYHoi try
%^tKt {
wb~BY EventLogEntryType LogEntryType;
Hc^q_{}" switch (level)
l =~EweuM {
-L&r2RF/ case TraceLevel.Error:
K}7E;O5m" LogEntryType = EventLogEntryType.Error;
koDIxj'%X break;
@-=0T!/ case TraceLevel.Warning:
1"tyxAo\ LogEntryType = EventLogEntryType.Warning;
?D?_D,"C break;
c-1,((p case TraceLevel.Info:
ieuq9ah# LogEntryType = EventLogEntryType.Information;
:bt;DJ@ break;
Em8q1P$tm> case TraceLevel.Verbose:
vOIK6- LogEntryType = EventLogEntryType.SuccessAudit;
A)
{q7WI break;
4.Luy default:
-{[5P! LogEntryType = EventLogEntryType.SuccessAudit;
.kKU MyW( break;
r Q)?Bhf }
ZLm?8g6- :"QR;O@ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
yu3: Hv} //写入事件日志
7[=*#7}. eventLog.WriteEntry(messageText, LogEntryType);
e$kBpG"D W;%$7&+0 }
`o|Y5wQ@ catch {} //忽略任何异常
<% #Dwo} }
@p`*MWU } //class ApplicationLog
fNR2(8;} }
} )DE UF37|+"E 12.Panel 横向滚动,纵向自动扩展
b7-M'-Km0_ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
;;>hWAS oA/[>\y 13.回车转换成Tab
LFvO[& <script language="javascript" for="document" event="onkeydown">
jlaU3qXL if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
EHI%QT event.keyCode=9;
n}0n!Pr^ </script>
VPOzt7: V+`gkWe/ onkeydown="if(event.keyCode==13) event.keyCode=9"
y,&'nk} HK}br!? 14.DataGrid超级连接列
2S%[YR>> DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
0F48T<i Aw?i6d 15.DataGrid行随鼠标变色
RHO| g0 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|T`ZK?B+u {
fv@mA -- if (e.Item.ItemType!=ListItemType.Header)
3an9Rb V {
>}~\*Y\8@ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
s"OP[YEke/ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
/Z3 Mlm{ }
/%&Kbd }
HKB?G~ au=A+ 16.模板列
P"-*'q,9 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
~l {*XM <ITEMTEMPLATE>
RBOb/.$ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
pg<m0g@W*; </ITEMTEMPLATE>
#3VOC#. </ASP:TEMPLATECOLUMN>
{*yFTP"93 ws/e~ T<c <ASP:TEMPLATECOLUMN headertext="选中">
4Fu:ov
]M <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
h D5NX <ITEMTEMPLATE>
^Pwtu <ASP:CHECKBOX id="chkExport" runat="server" />
TA4>12C6 </ITEMTEMPLATE>
5:R$xgc <EDITITEMTEMPLATE>
Zc!rL0T <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Tumv0=q4wd </EDITITEMTEMPLATE>
"mk@p=d </ASP:TEMPLATECOLUMN>
a7Mn/ i. "FD`1 后台代码
\p4>onGI protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
@ra^0 {
1>yh`Bp\= //改变列的选定,实现全选或全不选。
hZZ CheckBox chkExport ;
5S9i>B if( CheckAll.Checked)
T 6ihEb$C {
QT8GP?F foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
C4[) yJ {
c/6 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
X&LaAqlSG chkExport.Checked = true;
8_W=)w6 }
8(3nv[ }
|lDxk[ else
b#%$y {
-s3q(SH foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Wg5<@=x!G {
{<}9r6k;f chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
02$d chkExport.Checked = false;
q"@>rU4 }
ayGcc` }
XJZ\ss }
`{KdmWhW @> |3d 17.数字格式化
&xWej2a! c1ga{c`Z 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Cg8s9qE? <%#Container.DataItem("price","{0:¥#,##0.00}")%>
+,Ud 3iS $./&GOus int i=123456;
A:$4cacu9 string s=i.ToString("###,###.00");
V|{\8&2 P.y06^
X}A 18.日期格式化
4j1$1C{ Wa5B;X~ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
eS: 8Pn +dG3/vV 显示为: 2004-8-11 19:44:28
Hk8lHja+\ JW},7Ox 我只想要:2004-8-11 】
En9>onJ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
{Mpx33 56?RFnZ&j 应该如何改?
%f?Z/Wn fsjCu! 【格式化日期】
y9Q#%a8V g:fkM{"{ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
nl-y0xD9c M!wa } 【日期的验证表达式】
@B`nM#X# Ro@=oyLE A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
eH_< <Xh!v ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
XfQK
kol J))U YJO B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
fi~jT"_CI ^\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]))$
6}cN7wnm
j 3iIURSG@ 【大小写转换】
,<(0T$o E[ HttpUtility.HtmlEncode(string);
],~H3u=s3 HttpUtility.HtmlDecode(string)
h'nXV{N0 8B`w!@hf 19.如何设定全局变量
Fhrj$ &J\<"3 Global.asax中
JKz]fgOd$ X \BxRgl}, Application_Start()事件中
O?`_RN4l KG=57=[ 添加Application[属性名] = xxx;
1EMud,,: 9i46u20 就是你的全局变量
?j;,:n ~f:"Q(f+ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
MW2{w<-]7 `F$lO2 #k HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
BR-4L2[ udOdXz6K? 【ASPNETMENU】点击菜单项弹出新窗口
- i#Kpf ny"z<N&}/ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
MwC} <?xml version="1.0" encoding="GB2312"?>
K|Xr~\= <MenuData ImagesBaseURL="images/">
| Rj"}SC <MenuGroup>
5uX-onP\[ <MenuItem Label="内参信息" URL="Infomation.aspx" >
W6s-epsRmT <MenuGroup ID="BBC">
ZY|$[>X! <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
W)<t7q+ <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
$-p9cyk ......
feJl[3@tO !'#GdRstv 最好将你的aspnetmenu升级到1.2版
@\WeI"^F8 ||))gI`3a 21.读取DataGrid控件TextBox值
#}lWM%9Dy foreach(DataGrid dgi in yourDataGrid.Items)
<Gna}ALkg {
z22:O"UHa TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
(]` rri*^ tb.Text....
20]p< }
jp7cPpk:LG NRT@"3,1YP 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?
z?@N+||,. Nt|Fw$3*5{ 〖思归〗
*\Lr]6k <asp:TemplateColumn HeaderText="数量">
:O7n*lwx <ItemTemplate>
je`Inn< <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Ro_jfM onkeyup="javascript:DoCal()"
Z7NR%u_|[ />
iwy;9x [a_o3 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
eQwvp`@" </ItemTemplate>
}]Nt:_UCX </asp:TemplateColumn>
3RF`F
i V KxuK0{ <asp:TemplateColumn HeaderText="单价">
)nGH$Mu <ItemTemplate>
KE6XNG3 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
},@ex onkeyup="javascript:DoCal()"
HQNpf1=D />
[tR b{JsUd ~RH)iI <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
cua ( w n1x"B>3 </ItemTemplate>
WXY-]ir. </asp:TemplateColumn>
M.HMnN# S0tkqA4 <asp:TemplateColumn HeaderText="金额">
0g;)je2_2? <ItemTemplate>
Z]w?RL <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
qLPuKIF </ItemTemplate>
V%B~ q`4 </asp:TemplateColumn><script language="javascript">
-Iis/Xw: function DoCal()
y\})C-& {
gT(8.<h8 var e = event.srcElement;
8Wo!NG:V5 var row = e.parentNode.parentNode;
cbYQ';{ var txts = row.all.tags("INPUT");
<kk!ns I if (!txts.length || txts.length < 3)
1xr2x; return;
(I#mo2 BT`g'#O var q = txts[txts.length-3].value;
os7xwI;T var p = txts[txts.length-2].value;
cTq;<9Iew 3~{0X- if (isNaN(q) || isNaN(p))
DJ9x?SL@KD return;
A+j!VM B>4/[
YHr; q = parseInt(q);
o70] F p = parseFloat(p);
*
F_KOf9p "jLC!h^N txts[txts.length-1].value = (q * p).toFixed(2);
dai+" }
yzMGZi`ut </script>
fwiP3*j+Nn %@:6& =\k:] [$F*R@,& ~N2=44e 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。
t
.}];IJP page_load
~ToU._ page.smartNavigation=true
do*aE D &@Iuo 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 ?
?bpVdm! private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
-:kIIK
{
z4~p(tl for(int i=0;i<e.Item.Cells.Count-1;i++)
m\XG7uo~ if(e.Item.ItemType==ListItemType.EditType)
`H 'wz7 {
^KnK
\ e.Item.Cells.Attributes.Add("Width", "80px")
BOh^oQh }
B[q"oI` }
xQ2:tY#? CB
X}_]9X 26.对话框
1+Uem private static string ScriptBegin = "<script language=\"JavaScript\">";
1J72*`4OK private static string ScriptEnd = "</script>";
S;y4Z:! E [6:}z< public static void ConfirmMessageBox(string PageTarget,string Content)
6^!fuIZ;_ {
CxNxb)c & string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
pp@B]We Ni%@bU $ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
@SyL1yFX 7xQ:[P!G+ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
hu1ZckIw? ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
rL&Mq}7QK //Response.Write(strScript);
jEwt1S V }
c&x1aF "B 74a@/'WbE 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
oam;hmw o(H.1ESk 1.1 取当前年月日时分秒
Vh>cV currentTime=System.DateTime.Now;
)0]U"Nf ho UG=]8YY!
1.2 取当前年
|2%|= int 年= DateTime.Now.Year;
<5,|h3]-# ]31=8+D 1.3 取当前月
Y9>92#aME int 月= DateTime.Now.Month;
'n
^,lXWB =*I|z+ 1.4 取当前日
8]exsnZ int 日= DateTime.Now.Day;
,Si{]y Z1:%AqxP 1.5 取当前时
.Zj`_5C int 时= DateTime.Now.Hour;
C\aHr! vf$IF| 1.6 取当前分
+iFt) int 分= DateTime.Now.Minute;
|
oK9o6m4 Aq*?Q/pV 1.7 取当前秒
:e nR8MS int 秒= DateTime.Now.Second;
<9piKtb|L lSW'qgh 1.8 取当前毫秒
IM7<z,* oF int 毫秒= DateTime.Now.Millisecond;
z#ki# o *z)gSX 28.自定义分页代码:
,[t?$Cy; c{_JPy 先定义变量 :
G}^=(,jl public static int pageCount; //总页面数
P"l'? ` public static int curPageIndex=1; //当前页面
Je6wio-4 qT !lq 下一页:
@4D{lb"{ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
^ =n7E {
Q$:Q6/5. DataGrid1.CurrentPageIndex += 1;
J{-`&I'b curPageIndex+=1;
11YJW-V }
S2;^ VgODv
bind(); // DataGrid1数据绑定函数
'?mF,Co{ V-@4s}zX 上一页:
e,VF;Br if(DataGrid1.CurrentPageIndex >0)
,z>-_HOnw {
ZQ+DAX*MS
DataGrid1.CurrentPageIndex += 1;
fZ5 UFq_~s curPageIndex-=1;
k&%i+5X }
IsE3-X| kY'Wf`y( bind(); // DataGrid1数据绑定函数
*d;TpwUI vdAd@Z~\ 直接页面跳转:
Z\EA!Cs3 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
8cG`We8l& q(:L8nKT] if(a<DataGrid1.PageCount)
\U]K!K= {
2dkWzx this.DataGrid1.CurrentPageIndex=a;
3
dJ362 }
!cYID \}S, X,_K
)f bind();
0bM_EC %" 7UYLX 29.DataGrid使用:
}O
$]xB y|KQ`; 添加删除确认:
h=gtuaR4 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8K-P]] {
k]5tU\;Yw foreach(DataGridItem di in this.DataGrid1.Items)
$b1>,d'oz {
S-88m/"]s if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
qbfX(`nS {
9N'fU),I ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
vm_]X{80; }
W/xPVmnV }
S-q"'5> }
B I)@n:p qvB{vU 样式交替:
|cY,@X,X6 ListItemType itemType = e.Item.ItemType;
ufIvvZ* Cj-&L< if (itemType == ListItemType.Item )
1:](=%oM&k {
(k #xF"yI e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
t^"8M6BqC; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
v$Fz^<Na }
T`fT[BaY else if( itemType == ListItemType.AlternatingItem)
#jg-q|nd {
bUm%#a e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
jaodcT0 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
_Ffg"xoC }
"WQ6[;&V ]zaTX?F: 添加一个编号列:
IiqqdU] DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
_$c o Y DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
.,xyE--;d )5~T%_ for(int i=0;i<dt.Rows.Count;i++)
QJ;dw8 {
1g{}O^ul dt.Rows["number"]=(i+1).ToString();
C 8wGbU6` }
SDO:Gma |~
fI=1;;x DataGrid1.DataSource=dt;
qS@3:R DataGrid1.DataBind();
tm.60udbo u1 M8nb DataGrid1中添加一个CheckBox,页面中添加一个全选框
9 ;p5z[jI private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
mI,lW|/l, {
/\- }-"dm foreach(DataGridItem thisitem in DataGrid1.Items)
y!P!Fif' {
SR?mSpq5 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
yP+<kv4 }
<ytzGDx }
zhs@YMY \^"Vqx 将当前页面中DataGrid1显示的数据全部删除
F<g&t|@ foreach(DataGridItem thisitem in DataGrid1.Items)
,4t6Cq! {
s0;a j<J if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
InbB2l4G {
UzaAL9k string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
GJcxqgk$ Del (strloginid); //删除函数
4z(B`t~7 }
xRacgny:I }
\XV8t|* /Q(boY{ 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)
%AA&n*m ]b%U9hmL^f 在Application_Start中添加以下代码:
ZN$%\,< Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
b`D]L/}pr AppSettings["ConnStr"].ToString();
(Q=o9o:b SkmTW@v 31. 变量.ToString()
-`XS2 O)vGIp?f't 字符型转换 转为字符串
L5I!YP#v 12345.ToString("n"); //生成 12,345.00
X;W0r5T 12345.ToString("C"); //生成 ¥12,345.00
0}NDi|o 12345.ToString("e"); //生成 1.234500e+004
_-y1>{]H 12345.ToString("f4"); //生成 12345.0000
TYGI
f4z 12345.ToString("x"); //生成 3039 (16进制)
?g4Rk9<!i 12345.ToString("p"); //生成 1,234,500.00%
V /2NIh '[liZCg 32、变量.Substring(参数1,参数2);
J^jd@E &"K_R(kN 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
:VP4: J^ __9FQ{Ra 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
7>gjq'0
<SCRIPT language="javascript">
W%>T{}4 <!--
mA$y$73=T function gook(pws)
?j/FYi {
|8CxMs frm.submit();
%Hd[,duwO }
\;~Nj# //-->
LEPLoF3, *4%pXm; </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
EOu[X'gLr <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
) dk|S\ <tr>
4Z%1eOR9V <td>
xA7~"q&u <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
tcXXo&ZS <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
BZQ}c<Nl <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
(J5}1Q<K ,3_Sf? <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
]>(pj9) <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
J";N^OR{A% hQj@D\} </td>
Gl'G;F$Y- W/BPf{U </tr>
;]grbqXVE /.7RWy` </form>
Pp!4Ak4TT9 ZtO$kK%q; 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。
8k-]u3 e7"T37 下面是获取用户输入的登陆信息的代码:
X$6NJ(2G string name;
J/e] name=Request.QueryString["EmailName"];
i \NV<I
1xS+r)_n@ try
./XX {
SZe55mK ` int a=name.IndexOf("@",0,name.Length);
;@qS#7SRB f_user.Value=name.Substring(0,a);
>Vt2@Ee f_domain.Value=name.Substring(a+1,name.Length-(a+1));
rz_W]/G-P f_pass.Value=Request.QueryString["Psw"];
*t| !xO }
gC2}?nq* IXtG
36O catch
8Y`g$2SZ^8 {
M;<!C%K> Script.Alert("错误的邮箱!");
(CIcM3|9C Server.Transfer("index.aspx");
Wr b[\
?- }