1. 打开新的窗口并传送参数:
qA"?5 j32 P{}Oe
*9" 传送参数:
5:s]z#8) response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
nEGku]pCH{ -Z;:_"&9 接收参数:
Q`//HOM, string a = Request.QueryString("id");
G)e 20Mst string b = Request.QueryString("id1");
k~q[qKb8y: [j![R 2.为按钮添加对话框
<v2R6cj5 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
\\/X+4|o' button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
-_314j=`/ +QHhAA$ 3.删除表格选定记录
u{3KV6MS int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
S((8DSt* string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
He]F~GXP Mq7|37(N[ 4.删除表格记录警告
#JW1JCT
private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
EAq >v
t83 {
1gt[_P2u switch(e.Item.ItemType)
d@w
I:
7 {
{==Q6BG* case ListItemType.Item :
qkBnEPWZy case ListItemType.AlternatingItem :
qb9%Y/xy case ListItemType.EditItem:
WYh7Y TableCell myTableCell;
5o72X k myTableCell = e.Item.Cells[14];
>)5vsqGZaK LinkButton myDeleteButton ;
sV*Q8b* myDeleteButton = (LinkButton)myTableCell.Controls[0];
3;M!]9ms myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3 $kZu break;
3AB5Qs< default:
~}M{[6! break;
keWgbj }
d@l;dos), CjST*(,b }
X:e'@]Z)? N&GcWcq 5.点击表格行链接另一页
1U9iNki private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
UG!&n@R {
;{ezK8FJ}@ //点击表格打开
:5Vu.\,1 if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
s e1ipn_A e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
xj~6,;83xR }
WkO . utTek5/ 双击表格连接到另一页
Q3KBG8 r;'!qwr 在itemDataBind事件中
s=d?}.E$ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
S_QDYnF)` {
asJYGqdF string OrderItemID =e.item.cells[1].Text;
m2}&5vD8- ...
%EpK=;51U e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
vx4&
;2 }
m&%N4Q~X> m:^@AR1%d 双击表格打开新一页
Kr#=u~~M if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
T8\,2UWsj2 {
%sq=lW5R{b string OrderItemID =e.item.cells[1].Text;
K)v(Z" ...
Ltj}>.+ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
l-Xxv }
RS:0xN\JN MVj@0W33m ★特别注意:【?id=】 处不能为 【?id =】
Z/I!\ 6.表格超连接列传递参数
eGE%c1H9a <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
hT_snb;ow <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
BNByaC IM#+@vv 7.表格点击改变颜色
DTJ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
Ky'^AN] {
eJwr e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
L"Gi~:z this.style.color=’buttontext’;this.style.cursor=’default’;");
*[U:'o`67 }
q+DH2&E' 4H,DG`[Mo 写在DataGrid的_ItemDataBound里
z_H2L"Z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
2Fh_ {
&p%,+| e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
z=xHk|+' this.style.color=’buttontext’;this.style.cursor=’default’;");
h}oQr0"c e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
#[si.rv-> }
H z6H,h q[#\qT&QU j NY8)w_ 8.关于日期格式
]@f6O*&= i" )_M|
日期格式设定
l?~ci
;lG DataFormatString="{0:yyyy-MM-dd}"
lz*PNT{E w iq{Jo# 我觉得应该在itembound事件中
}iC~B} e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
:@/fy}! pqs)ueu 9.获取错误信息并到指定页面
W@G[ gS\T I*ej_cFQ^ 不要使用Response.Redirect,而应该使用Server.Transfer
}n.h)Oz pta%%8": e.g
|Bn=$T] // in global.asax
.$yw;go3 protected void Application_Error(Object sender, EventArgs e) {
f4_\F/ if (Server.GetLastError() is HttpUnhandledException)
izKk@{Md Server.Transfer("MyErrorPage.aspx");
5A)w.i&V GBQb({ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
`%=Jsi0.Nq }
bXW)n<y J.&q[ 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
sH]AB=_ *HC8kD a%$ 10.清空Cookie
Y1~SGg7(@ Cookie.Expires=[DateTime];
=j{jylC Response.Cookies("UserName").Expires = 0
H>r-|*n Wf?sJ`.%b 11.自定义异常处理
U\[V !1O //自定义异常处理类
^"Y'zIL using System;
1Q%.-vs using System.Diagnostics;
gB"Tc[l1 (HF,p,h_ namespace MyAppException
I%&9`ceWY {
xo%iL /// <summary>
PHXP1)^}S /// 从系统异常类ApplicationException继承的应用程序异常处理类。
t2:c@) /// 自动将异常内容记录到Windows NT/2000的应用程序日志
<d^7B9O?&w /// </summary>
yjO7/<2 public class AppException:System.ApplicationException
9JtvHUkO {
Po_OQJ:bd public AppException()
<7 rK {
%8tN$8P if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
)L!R~F
C }
'2tEKVb cg.e(@( public AppException(string message)
$SXxAS1 {
I5A^/=bf& LogEvent(message);
;!}SgzSH} }
v;Dcq Z:hrrq9 public AppException(string message,Exception innerException)
hq*JQb;Y} {
:6/OU9f/R LogEvent(message);
#R8l"]fxr? if (innerException != null)
L1xD$wl {
{XX Nl)% LogEvent(innerException.Message);
&V3oW1*W }
<f6PULm }
J){\h-4 ZX;k*OrW //日志记录类
}^ <zVdwp using System;
FNM"!z using System.Configuration;
_PbfFY # using System.Diagnostics;
Mh|`XO.5I using System.IO;
w3N%J>4_E using System.Text;
DRoxw24 using System.Threading;
\.a .'l AL7O -D namespace MyEventLog
EM*OrUe {
LPn}QzH /// <summary>
#<PdZl R /// 事件日志记录类,提供事件日志记录支持
5Nb_K`Vp* /// <remarks>
ehusI-q /// 定义了4个日志记录方法 (error, warning, info, trace)
5)7mjyo% /// </remarks>
/vDF<HVzm /// </summary>
S7/v,E public class ApplicationLog
\,!q[nC {
Q/n.T0Z^ /// <summary>
I
6YT|R /// 将错误信息记录到Win2000/NT事件日志中
Bqi2n'^O2 /// <param name="message">需要记录的文本信息</param>
*`-29eR"8 /// </summary>
zjS:;!8em public static void WriteError(String message)
cmU+VZ#pk {
h3EDN:FQ WriteLog(TraceLevel.Error, message);
1$VI\} }
kA;Tr4EA6 T:">,*| /// <summary>
Iq]6] /// 将警告信息记录到Win2000/NT事件日志中
Pu*HZW3l /// <param name="message">需要记录的文本信息</param>
8VmN?"5v /// </summary>
1!wEXH( public static void WriteWarning(String message)
}.cmiC {
Oc9>F\]_m WriteLog(TraceLevel.Warning, message);
U_;J.{n }
9sj W 8@KFln )[ /// <summary>
KdJx#Lc /// 将提示信息记录到Win2000/NT事件日志中
Qf>Pb$c$U /// <param name="message">需要记录的文本信息</param>
mMAr8~A= /// </summary>
B9Q.s public static void WriteInfo(String message)
t/WnDR/fM {
zlztF$Bo WriteLog(TraceLevel.Info, message);
>Mz|e(6 }
J<#`IaV /// <summary>
SzlfA%4+GR /// 将跟踪信息记录到Win2000/NT事件日志中
64' ]F1p0 /// <param name="message">需要记录的文本信息</param>
!TL}~D:J /// </summary>
o;>3z*9?3 public static void WriteTrace(String message)
0,$-)SkT {
rY?F6'} WriteLog(TraceLevel.Verbose, message);
>MWpYp }
ynbpew aa P&3/nL$9N /// <summary>
_L'cyH.cn /// 格式化记录到事件日志的文本信息格式
;u};&sm /// <param name="ex">需要格式化的异常对象</param>
&9_\E{o%] /// <param name="catchInfo">异常信息标题字符串.</param>
<o7#?AcPu /// <retvalue>
yXV|4 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
(g/X(3 /// </retvalue>
5[2.5/ /// </summary>
50GYL5)q public static String FormatException(Exception ex, String catchInfo)
)R)$T' {
1R%`i'$/ StringBuilder strBuilder = new StringBuilder();
W}2 &Pax if (catchInfo != String.Empty)
9>&tMq {
QcG5PV strBuilder.Append(catchInfo).Append("\r\n");
EhPVK6@ }
.hlQ?\ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
Qy^z *s return strBuilder.ToString();
)cKtc }
nuO3UD3 $jed{N7Y /// <summary>
hY=
s9\ /// 实际事件日志写入方法
JM-ce8U /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
?)[zLnxc& /// <param name="messageText">要记录的文本.</param>
J&"?m.~@ /// </summary>
LbX6p private static void WriteLog(TraceLevel level, String messageText)
aMvK8C%7 {
Dyk[ug5 try
y^QYlZO {
7vpN6YP EventLogEntryType LogEntryType;
-j`!(IJ switch (level)
Wbn[Q2h5 {
(OyY_` case TraceLevel.Error:
{pe7]P? LogEntryType = EventLogEntryType.Error;
]fADaw-R break;
.5!sOOs$P case TraceLevel.Warning:
%- ZR~* LogEntryType = EventLogEntryType.Warning;
mbX)'. +L break;
E/7vIg
F case TraceLevel.Info:
/LI~o~m1) LogEntryType = EventLogEntryType.Information;
N+s?ZE* break;
,t%\0[{/B case TraceLevel.Verbose:
8PoHBOxpc LogEntryType = EventLogEntryType.SuccessAudit;
du'}+rC break;
CaYos;Pl default:
ik Y]8BCc LogEntryType = EventLogEntryType.SuccessAudit;
iRUR4Zs break;
bwSRJFqb }
5hJYy`h~ 0Z
A#T:4 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
'9 *|N= //写入事件日志
&:DCtjK eventLog.WriteEntry(messageText, LogEntryType);
=X`]Ct8Z /NW>;J}C }
Im?= e catch {} //忽略任何异常
tt7PEEf }
!u53 3 } //class ApplicationLog
{\svV
0)~ }
-7k|6"EwM 5BU%%fBJ. 12.Panel 横向滚动,纵向自动扩展
Ig02M_ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
\,l.p_< 8|5Gv 13.回车转换成Tab
oEenm\ZI <script language="javascript" for="document" event="onkeydown">
yE.495 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
)l#%.Z9 event.keyCode=9;
:Hzz{' </script>
w>6"Sc7oc2 pHj[O?F onkeydown="if(event.keyCode==13) event.keyCode=9"
`J>E9p< '&-5CpDUs 14.DataGrid超级连接列
< QDr,Hj DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
\!UF|mD^tG jr,&=C( 15.DataGrid行随鼠标变色
~U"by_ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
g[EM]q, {
mq
J0z4I} if (e.Item.ItemType!=ListItemType.Header)
vo(g0Au) {
pcI& e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
bkr~13S{+ e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
q GpP, }
I|g@W_ }
!,? <zg c<=`<!FS[ 16.模板列
7P/?wv9+n* <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
[$( sUc(% <ITEMTEMPLATE>
4_Qa=T8 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
V3>f*Z)xn </ITEMTEMPLATE>
s[G|q5n </ASP:TEMPLATECOLUMN>
Wl&
>6./{ a^*cZ?Ta <ASP:TEMPLATECOLUMN headertext="选中">
<XQN;{xSa <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
k9}Q7) @ <ITEMTEMPLATE>
t]
r,9df' <ASP:CHECKBOX id="chkExport" runat="server" />
T-a&e9B </ITEMTEMPLATE>
^))PCn_zb <EDITITEMTEMPLATE>
u}K5/hC <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
pqyWv; </EDITITEMTEMPLATE>
aBXYri </ASP:TEMPLATECOLUMN>
xm<v">< l |08 后台代码
:y+B;qw protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
@-'/__cgt {
^M`>YOU2+ //改变列的选定,实现全选或全不选。
K1?Z5X(b
CheckBox chkExport ;
Ur'9bl{5 if( CheckAll.Checked)
J)9 AnGWe {
"/ tUA\=j foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
wGEWr2$ {
#4P8Rzl$/ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
V";mWws+?# chkExport.Checked = true;
K #qoR /: }
&`9j)3^J. }
e>L5.~i else
z.eJEK {
3R5K}ZBi% foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*j|/2+pq {
F(Lb8\to\M chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
5;IT64&] chkExport.Checked = false;
_PK}rr?"7O }
$Y8>_6%+T }
/xl4ohL$a }
E%<w5d.lq v<L=!-b^ 17.数字格式化
^I]LoG: =yl4zQmg$ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
v1LKU <%#Container.DataItem("price","{0:¥#,##0.00}")%>
`wNm%*g ).pO2lLF4 int i=123456;
/8f>':zUb string s=i.ToString("###,###.00");
r?fH
&u h/,R{A2mO 18.日期格式化
u@<Pu@?xm :lUX5j3 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
nN>J*02(
%b=Y
<v 显示为: 2004-8-11 19:44:28
`_|aeoK_ L
;6b+I 我只想要:2004-8-11 】
h S4.3]ei <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
dZPW2yf x>}B# 应该如何改?
)VNM/o%Q ARP KzF`Wq 【格式化日期】
10mK}HT>4B }7K@e;YUg 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
\ jECSV| ^;.T}c%N 【日期的验证表达式】
4w'lu"U `,+#! ) A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Z;#%t. ^((\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})))?$
"[k1D_PZ b)N[[sOt B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
xpF](>LC( ^\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]))$
.:rmA8U[ b3}Q#Y\G 【大小写转换】
k!T|)\nc+ HttpUtility.HtmlEncode(string);
q(,cYu HttpUtility.HtmlDecode(string)
5?Bc
Y; ]fj- `== 19.如何设定全局变量
f0vJm T'E]
i!$ Global.asax中
+#4]o
}6G _1ew(x2J Application_Start()事件中
',GV6kt_k 2Zy_5>~ 添加Application[属性名] = xxx;
.;9jdGBf wzd`l?o, 就是你的全局变量
3QW_k5o </= CZy5w 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
>)Ioo$B TXjloGv^ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
Wbe0ZnM] e&0K;yU 【ASPNETMENU】点击菜单项弹出新窗口
OOok hZd` % #u.J
在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
/t*YDWLg <?xml version="1.0" encoding="GB2312"?>
{6h|6.S2 <MenuData ImagesBaseURL="images/">
_-O cc=Z <MenuGroup>
`?"6l5d.] <MenuItem Label="内参信息" URL="Infomation.aspx" >
e # 5BPI <MenuGroup ID="BBC">
GX
}q9 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
xST4}Mb^f <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
)s)_XL ......
*t(4 $ eCWPhB6l 最好将你的aspnetmenu升级到1.2版
/_)l|<k+V ='}#`', 21.读取DataGrid控件TextBox值
$e
}n foreach(DataGrid dgi in yourDataGrid.Items)
+6l]] *H {
)#C
mQXgG TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
w^HjZV tb.Text....
_okWQvdH }
oh~:, $ J1f.YE 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?
C5*xQlCq} (RE2I 〖思归〗
8]bz(P# <asp:TemplateColumn HeaderText="数量">
2 0tO#{Li <ItemTemplate>
XN;&qR^j <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
[/|zH'j: onkeyup="javascript:DoCal()"
<41ZZ0<EwY />
[=uIb._Wv
)h_8vO2 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
@MbVWiv </ItemTemplate>
V'pqxjfd </asp:TemplateColumn>
qf#)lyr<D6 HC*?DJ, <asp:TemplateColumn HeaderText="单价">
TQ]dW <ItemTemplate>
I:l01W; <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
#_JYh? onkeyup="javascript:DoCal()"
e,0-)?5R />
[XR$F@o fCw*$:O <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
+ ulagE|7 [f/I2 </ItemTemplate>
2C=Q8ayvX </asp:TemplateColumn>
"_1)CDqP ]a'99^?\ <asp:TemplateColumn HeaderText="金额">
`yiC=$*[ <ItemTemplate>
F@YKFk+a <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
g)"gw+ZFc </ItemTemplate>
viX
+|A4gJ </asp:TemplateColumn><script language="javascript">
8LzBh_J? function DoCal()
-NJ!g/ >mM {
V3Z]DA var e = event.srcElement;
lLhL`C! var row = e.parentNode.parentNode;
#5} wuj%5 var txts = row.all.tags("INPUT");
W?woNt'n if (!txts.length || txts.length < 3)
soRv1) el return;
Kn`M4O p4!:]0c var q = txts[txts.length-3].value;
<AH1i@4 var p = txts[txts.length-2].value;
GL$De,V WJH\~<{mP if (isNaN(q) || isNaN(p))
c2nKPEX&5 return;
NPa\Cg[ 58Xzup_" q = parseInt(q);
2_^aw[- p = parseFloat(p);
MRNNG6TUs CNZ z]H txts[txts.length-1].value = (q * p).toFixed(2);
XRx+Dddt; }
YyAJ m^o </script>
!E8X~DJ GzXUU@p t]jFo PXzsj.
%ts^Z*3u 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。
Mips.Bx page_load
g[RI.&? page.smartNavigation=true
L!0OC''C W&*f#E 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 ?
c#-U%qZ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
_.IxRk)T {
R'EUV0KX>Y for(int i=0;i<e.Item.Cells.Count-1;i++)
@AHm!9?o if(e.Item.ItemType==ListItemType.EditType)
3$.deYa$R {
X[
q+619 e.Item.Cells.Attributes.Add("Width", "80px")
{"oxJ`z4 }
!tfb*@{;' }
J;_}lF9d@ @1.QEyXG 26.对话框
.+7;)K
private static string ScriptBegin = "<script language=\"JavaScript\">";
HEA#bd\ private static string ScriptEnd = "</script>";
w(kf N\:.
M public static void ConfirmMessageBox(string PageTarget,string Content)
&%})wZ+Dj {
l^ZI* z7N string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
$o$
maA0 M@ed>. ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
L}@c6fHG }|PY!O
Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
O3TQixE ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
^Wxad?@ //Response.Write(strScript);
fP.F`V_Y }
ml \4xp, n6s}ww) 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
#fT*]NN -S3MH1TZ 1.1 取当前年月日时分秒
,9WBTH8 currentTime=System.DateTime.Now;
626Z5Afg c478P=g=5 1.2 取当前年
v) vkn/: int 年= DateTime.Now.Year;
8\{^|y9- PO6&bIr 1.3 取当前月
ByCnD int 月= DateTime.Now.Month;
.'Y]R3\M+ e{m2l2Tx: 1.4 取当前日
,o)d3g-&g int 日= DateTime.Now.Day;
^^5&QSB:' zN
[2YJ$ 1.5 取当前时
<=f}8a.R3 int 时= DateTime.Now.Hour;
oWYmj=D~2z $@UN4B?y 1.6 取当前分
OE}*2P/M> int 分= DateTime.Now.Minute;
N!g9*Z K_dOq68_ 1.7 取当前秒
trAkcYd int 秒= DateTime.Now.Second;
br|;'i%( -|E!e.^7: 1.8 取当前毫秒
jYe'V#5S# int 毫秒= DateTime.Now.Millisecond;
U"Zmv O }
f80K 28.自定义分页代码:
^MVkZ{gtre 9/nn)soC3 先定义变量 :
0:+WO%z public static int pageCount; //总页面数
y- 1 pR public static int curPageIndex=1; //当前页面
j$+nKc$ `QXErw 下一页:
g1jTy7g? if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
b,CaWg {
WL'P)lI5 DataGrid1.CurrentPageIndex += 1;
o
LvZ curPageIndex+=1;
I
:vs;- }
ra
o[VZ V3"=w&2]K bind(); // DataGrid1数据绑定函数
5=f|7yl KN* 上一页:
eM+!Y>8Y if(DataGrid1.CurrentPageIndex >0)
dH-s2r%s {
0(S"{Ov DataGrid1.CurrentPageIndex += 1;
?]*^xL;x? curPageIndex-=1;
&uO%_6J }
x@*SEa -]QD|w3dp bind(); // DataGrid1数据绑定函数
HaP}Y:p WVI{oso# 直接页面跳转:
-?0qf,W. int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
yxH ( c ?Orxmxc
2 if(a<DataGrid1.PageCount)
t2lS
~l) {
RO.k]x6 this.DataGrid1.CurrentPageIndex=a;
Bro9YP4< }
B&@?*^. oZAB _A)[- bind();
<N%7|t*eT #W|'1
OX4 29.DataGrid使用:
R=|{n'n$0| ;1a~pF S 添加删除确认:
!1ED~3/X private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Z
/9> {
CO`_^7o9( foreach(DataGridItem di in this.DataGrid1.Items)
t]YC"%[S {
0|a(]a}V*j if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
'#&os`mQ {
T3^GC X|!@ ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
^_f+15]D }
+ ~>Aj }
`b^Ru+(dM }
CY"/uSB 0:T|S>FsAm 样式交替:
w'm;82V:P- ListItemType itemType = e.Item.ItemType;
/C6k+0ApMT w'UVKpG+ if (itemType == ListItemType.Item )
8@tPm$ {
](s'L8(x e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
6*3.SGUY e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
RS^lKJ1 U }
L>3x9 else if( itemType == ListItemType.AlternatingItem)
hy`?E6=9+ {
gy_>`16K e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
x= 5N3[5 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
lqm1!5dt }
h]TQn)X] [DF,^4g 添加一个编号列:
7D;cw\ | DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
hUF5fZqii DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
!s&NT @ S LS917ci- for(int i=0;i<dt.Rows.Count;i++)
wf:OK[r9 {
^Gqt+K% dt.Rows["number"]=(i+1).ToString();
N9v1[~ bv_ }
]VD|xm:kj QC9eUYe DataGrid1.DataSource=dt;
yp({>{u7 DataGrid1.DataBind();
?]}8o}G FN8NTBk DataGrid1中添加一个CheckBox,页面中添加一个全选框
CL+}|7O( private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
#N`~xZ|$ {
hBBUw0" foreach(DataGridItem thisitem in DataGrid1.Items)
6,0_)O}\b {
5Er2}KZJv, ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
*^:N.&] }
\Z+z?K O }
#3+!ee27# TL}++e
7+ 将当前页面中DataGrid1显示的数据全部删除
iLkZ"X.'|1 foreach(DataGridItem thisitem in DataGrid1.Items)
%|^fi8!:| {
Qx+%"YO if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
[x,>?~6ek {
:R~MO& string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
ZR(x%ews Del (strloginid); //删除函数
,.}]ut/Tm }
w.\&9]P3~ }
~,i-8jl, `pGa~!vl 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)
lx[oaCr ,"HL~2:~ 在Application_Start中添加以下代码:
;N0~;I Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
yge,8i)c AppSettings["ConnStr"].ToString();
{o.FlX U
15H2-` 31. 变量.ToString()
opc/e ~NpA".PB 字符型转换 转为字符串
A}3=561F?5 12345.ToString("n"); //生成 12,345.00
Vz= PiMO 12345.ToString("C"); //生成 ¥12,345.00
-(~!Jo_*' 12345.ToString("e"); //生成 1.234500e+004
"-vW,7y 12345.ToString("f4"); //生成 12345.0000
f PM8f 12345.ToString("x"); //生成 3039 (16进制)
*U
P@9D 12345.ToString("p"); //生成 1,234,500.00%
9f<MQ6_UU }<9cL' 32、变量.Substring(参数1,参数2);
TzNn^ir=HX k\NMy#]Zt 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);
CD~z=vlK- ~wkj&yVT 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)
Ljp%CI[i <SCRIPT language="javascript">
K|:@Z <!--
j,"@?Wt7 function gook(pws)
!'cl"\h {
5'X ]k@m_ frm.submit();
@T'i/}nl }
kNobl //-->
_s .G F*3j.lI </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
p(/dBt[3k <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
'a\%L:` <tr>
G}ob<`o|" <td>
H\0~#(z?. <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
O8j_0 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
NbU [l <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
g.zEn/SM yL2o}ZbS <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
F)'.g d <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
WZ*ws[dVI f]\CD<g3|E </td>
R'! /XzH?n/{R </tr>
,Q
HU_jt u (em&M </form>
&8g?4v LQngK7> 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。
+i@y@<l:+ 4 Dw@r{ 下面是获取用户输入的登陆信息的代码:
mg$]QnbAnH string name;
`CgaS# name=Request.QueryString["EmailName"];
P dhEQ}H n8" .XS try
>VN5`Zlw\C {
'>' wK. int a=name.IndexOf("@",0,name.Length);
5sx1Zq7 f_user.Value=name.Substring(0,a);
vM*($qpAy f_domain.Value=name.Substring(a+1,name.Length-(a+1));
#]ypHVE f_pass.Value=Request.QueryString["Psw"];
:n.f_v}6 }
,Qe?8En[ c0;t4(
&8 catch
'VlDh`<W {
4:dH] Script.Alert("错误的邮箱!");
q&W[j5E Server.Transfer("index.aspx");
"3)4vuX@;c }