1. 打开新的窗口并传送参数:
_[K"gu 8RW&r 传送参数:
MZ>6o5K| response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
FLZWZ; /9pM>Cd*Z 接收参数:
$ ((6=39s string a = Request.QueryString("id");
(ljF{)Ml+= string b = Request.QueryString("id1");
])DX%$f _>m-AI4^ 2.为按钮添加对话框
44ed79ly0) Button1.Attributes.Add("onclick","return confirm(’确认?’)");
q.#[TI ^ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
I1Sa^7 %+)o'nf"U 3.删除表格选定记录
k S#
CEU7 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
)B#
, string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
h#r^teui) ^].jH+7i* 4.删除表格记录警告
S=`+Ryc private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
sP@X g;] {
b5G}3)'w switch(e.Item.ItemType)
6K`c/) {
h}`!(K^;3 case ListItemType.Item :
JAjmrX case ListItemType.AlternatingItem :
'XrRhF
( case ListItemType.EditItem:
H(
jXI TableCell myTableCell;
4mjgt<` myTableCell = e.Item.Cells[14];
Y-mK+12 LinkButton myDeleteButton ;
{c?JuV4q? myDeleteButton = (LinkButton)myTableCell.Controls[0];
lbdTQ6R myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
H9)m^* break;
O,2~"~kF default:
i':i_kU break;
cF)/^5Z }
B+d<F[| {6 6sB{P }
a ]Eg!Q TjMe?p 5.点击表格行链接另一页
h%; e0Xz| private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
X?:o;wB {
rl#vE's6.e //点击表格打开
/ $ :j if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
"@A![iP e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
0MMEo~dih }
s=6}%%q6 f3j{V N 双击表格连接到另一页
GQQ.OvEc [H<bh% 在itemDataBind事件中
O,bkQY$v if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
.nu @ o40 {
M->*{D@a string OrderItemID =e.item.cells[1].Text;
VV4Gjc ...
9E2j! e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
acP+3u?r }
Rlnbdb;!k 1OLqL 双击表格打开新一页
5!YA o\S if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%J:SO_6 {
bzDIhnw string OrderItemID =e.item.cells[1].Text;
Pi,QHb`> ...
2kAx>R e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
S{4z?Ri, ' }
uwf
5!Z:> VErv;GyV ★特别注意:【?id=】 处不能为 【?id =】
h&.wo ! 6.表格超连接列传递参数
G+xt5n.% <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
D4eTTfQ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
tWTKgbj( /+*#pDx/zW 7.表格点击改变颜色
R[z`:1lo if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
FGO[
|]7IN {
l0&EZN0V2 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
SK1!thQy this.style.color=’buttontext’;this.style.cursor=’default’;");
DFhXx6] }
|Fm6#1A@ BqDKT 写在DataGrid的_ItemDataBound里
4n #ov=)-~ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
iv`O/T {
}+o:j'jB e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
[,n c this.style.color=’buttontext’;this.style.cursor=’default’;");
~DRmON5 M e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
F' U 50usV }
|@ ,|F:h<M b2 _Yu^ Sxdsv9w 8.关于日期格式
p4IZ
QB.J,o*XD4 日期格式设定
CQel3Jtt. DataFormatString="{0:yyyy-MM-dd}"
MMB@.W mk7&<M 我觉得应该在itembound事件中
0;S, tJg e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
/@AEJ][$ q~CA0AR 9.获取错误信息并到指定页面
H&r,FmI@ 08X_}97#WF 不要使用Response.Redirect,而应该使用Server.Transfer
#HS]NA|e@ y4h=Lki@ e.g
izh<I0 // in global.asax
[E#UGJ@ protected void Application_Error(Object sender, EventArgs e) {
&g2 Eptx# if (Server.GetLastError() is HttpUnhandledException)
G}5 #l Server.Transfer("MyErrorPage.aspx");
M"%Q&o/I %Qg+R26U //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
z
<mK>$ }
KH\b_>wU2 o6f_l^+H 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
n JPyM/p vR0];{ 10.清空Cookie
cvwhSdZu8 Cookie.Expires=[DateTime];
ThPE
0V Response.Cookies("UserName").Expires = 0
>!_Xgw ]9}HEu;1M 11.自定义异常处理
tm7u^9] //自定义异常处理类
NmMIQ@K using System;
;8!Z5H using System.Diagnostics;
dU\%Cq-G) *[=bR> namespace MyAppException
VG/3xR&y {
UhIDRR /// <summary>
K)TrZ 2 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
yj4+5`|f /// 自动将异常内容记录到Windows NT/2000的应用程序日志
*yl>T^DjTC /// </summary>
Ax !+P\\2~ public class AppException:System.ApplicationException
7'NwJ,$6\ {
~Lc066bLeq public AppException()
Y+K|1r {
Vh}SCUof' if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
/1?R?N2>0 }
@HZKc\1 r`c_e)STO public AppException(string message)
>0p$(>N] {
b64
@s2] LogEvent(message);
$gBd <N9|c }
jx Jv. 0]HYP;E"U public AppException(string message,Exception innerException)
L
8{\r$ {
:eo LogEvent(message);
CK,
6ytB if (innerException != null)
{'16:dTJ {
.9O$G2'oh LogEvent(innerException.Message);
'+j} >Q }
/?';
nGq }
'zh7_% ]kG(G%r|M //日志记录类
s,a}?W using System;
^5r9 5 using System.Configuration;
DcSnia62f using System.Diagnostics;
?5kHa_^ using System.IO;
OFje+S using System.Text;
1Bxmm# using System.Threading;
?eV4SH +a^F\8H namespace MyEventLog
5BBD.! {
/%lZu^ /// <summary>
{BHI1Uw /// 事件日志记录类,提供事件日志记录支持
pRSOYTebP /// <remarks>
Gycm,Cy /// 定义了4个日志记录方法 (error, warning, info, trace)
dg4vc][ /// </remarks>
[]s^
/// </summary>
l }XU59 public class ApplicationLog
bI|2@HV2 {
vM_:&j_?`` /// <summary>
)}9rwZ /// 将错误信息记录到Win2000/NT事件日志中
xC
C:BO`pw /// <param name="message">需要记录的文本信息</param>
t43)F9! /// </summary>
<3,<\ub public static void WriteError(String message)
]({~,8s {
43V}#DA@ WriteLog(TraceLevel.Error, message);
Pz$R(TV }
q\\gpCgp vFEQ7qI /// <summary>
DNP13wp@ /// 将警告信息记录到Win2000/NT事件日志中
.jMq /// <param name="message">需要记录的文本信息</param>
}MUn/ [x /// </summary>
gk`zA public static void WriteWarning(String message)
Z4IgBn(Z_} {
'=P7""mN5 WriteLog(TraceLevel.Warning, message);
1
hg}(Hix }
JmEj{K<3I F: mq'<Q /// <summary>
BL&LeSa /// 将提示信息记录到Win2000/NT事件日志中
/PsnD_s]5 /// <param name="message">需要记录的文本信息</param>
O#Wh
TDF" /// </summary>
i*CZV|t US public static void WriteInfo(String message)
?.Pg\ur {
]r_;dY a WriteLog(TraceLevel.Info, message);
aM4k *|H? }
z2Z^~,i /// <summary>
7=(Hy\Q5xH /// 将跟踪信息记录到Win2000/NT事件日志中
a'\o7_ /// <param name="message">需要记录的文本信息</param>
Mfv1Os:ST /// </summary>
41SGWAd#: public static void WriteTrace(String message)
q{+_
<2U| {
10H)^p%3+ WriteLog(TraceLevel.Verbose, message);
{/pm<k= }
;NRF=d> d|4}obCt /// <summary>
`O'`eY1f /// 格式化记录到事件日志的文本信息格式
3MRc4UlB /// <param name="ex">需要格式化的异常对象</param>
Y3O#Q)-j$ /// <param name="catchInfo">异常信息标题字符串.</param>
fxT-j s#S /// <retvalue>
%w7]@V Z /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
/a6Xa&(B /// </retvalue>
U T="2*3gz /// </summary>
S]E.KLR?[; public static String FormatException(Exception ex, String catchInfo)
ur$l Z0 {
[|l?2j\ StringBuilder strBuilder = new StringBuilder();
yV^s,P1 if (catchInfo != String.Empty)
t'ZWc\ {
)aX,% yK strBuilder.Append(catchInfo).Append("\r\n");
S6[v;{xJ }
>|;aIa@9 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
MeUaTJFEB return strBuilder.ToString();
?mlNL/: }
xCtmXo E}ZJ)V7 /// <summary>
0:b2(^]bg /// 实际事件日志写入方法
RVeEkv[qp /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Gdg"gi!4 /// <param name="messageText">要记录的文本.</param>
Ge<nxl<Bd /// </summary>
3N_"rNKD private static void WriteLog(TraceLevel level, String messageText)
Bp@v,)8* {
Bm]8m=p try
wg w(YU {
QD%L0;j EventLogEntryType LogEntryType;
<^$<#Kd switch (level)
LQjsOo {
yBI'djL~> case TraceLevel.Error:
T*KMksjxm` LogEntryType = EventLogEntryType.Error;
Z>
r^SWL break;
5#K4bA case TraceLevel.Warning:
^+g$iM[`f LogEntryType = EventLogEntryType.Warning;
q&d~
\{J break;
6&/T@LQYrh case TraceLevel.Info:
RZ+`T+zL LogEntryType = EventLogEntryType.Information;
p QizJ6 break;
__.+s32SS$ case TraceLevel.Verbose:
4^URX>nx8 LogEntryType = EventLogEntryType.SuccessAudit;
H<3I 5Kgt break;
9V5-%Iv default:
ooQQ-?"m LogEntryType = EventLogEntryType.SuccessAudit;
NC38fiH_N break;
7.`fJf? }
db6mfxi x7$}8LZ"B EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
y:6; LZ9[ //写入事件日志
f!JS= N?3 eventLog.WriteEntry(messageText, LogEntryType);
Qubp9C#r ^#sU*trr }
QqU!Najf catch {} //忽略任何异常
!/wtYI-` }
C9t4#" } //class ApplicationLog
S9#)A-> }
SCz318n %Z1N;g0 12.Panel 横向滚动,纵向自动扩展
_F`lq_C <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
bcYF\@}; 6H7],aMg$A 13.回车转换成Tab
Gn&4V}F <script language="javascript" for="document" event="onkeydown">
!@v7Zu43, if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
iTQD event.keyCode=9;
B
$mX3B+a </script>
K1T4cUo )vSRHE onkeydown="if(event.keyCode==13) event.keyCode=9"
5D'\b}*lJ} k`N^Vdr 14.DataGrid超级连接列
5s].
@C8 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9th,VnD0 r
>nG@A 15.DataGrid行随鼠标变色
OE- gC2&Bm private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7"C$pm6 {
,l)^Ft`5 if (e.Item.ItemType!=ListItemType.Header)
1.6:# {
HZ:6zH e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
g?ULWeZg5 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
_D+J!f^ }
^cuc.g)c$? }
d}4Y( (}2~<
16.模板列
% S os <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
<q@a~'Ai?! <ITEMTEMPLATE>
a8UwhjFO <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
7K98#;a)5 </ITEMTEMPLATE>
zld#qG6 </ASP:TEMPLATECOLUMN>
VF ys.= H7DJ~z~J <ASP:TEMPLATECOLUMN headertext="选中">
^=-y%kp" <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
Sb82}$sO <ITEMTEMPLATE>
{.INnFGP@) <ASP:CHECKBOX id="chkExport" runat="server" />
nX`u[ks </ITEMTEMPLATE>
@nCd <EDITITEMTEMPLATE>
+csi[c)3E <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
#%h-[/ </EDITITEMTEMPLATE>
h3xAJ! </ASP:TEMPLATECOLUMN>
h[@tZ(jrY &eX!#nQ_. 后台代码
s|y "WDyx5 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
ZG&>:Si; {
mmk=97 //改变列的选定,实现全选或全不选。
#iHs*
/85 CheckBox chkExport ;
O[ef#R! if( CheckAll.Checked)
Fkd+pS\9g~ {
%Da1(bBh foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
WL"^>[Vq {
TtTj28k7 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
j=r P:# chkExport.Checked = true;
@pRlxkvV }
] [p>Y>:b- }
z\%67C else
1 P!Yxeh {
)`O~f_pIC foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
.0`m\~ L {
!'9Feoez chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
wG-HF'0L chkExport.Checked = false;
85Otss/mM }
y1+*6| }
z?*w8kU&> }
N@Uy=?)ZJ LAS'u"c| 17.数字格式化
2so! 8b;1FQ' 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
f@|A[>"V <%#Container.DataItem("price","{0:¥#,##0.00}")%>
%2{%Obp' |#cm`v int i=123456;
=V-|#j string s=i.ToString("###,###.00");
TI,&!E?; FwkuC09tI 18.日期格式化
HOJs[mqB% (Hb:?( 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
4i(JZN? UKT%13CO4U 显示为: 2004-8-11 19:44:28
aGtf z) oF1,QQ^dg 我只想要:2004-8-11 】
D!Pq4'd( <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
jk [1{I/ _n50C"X=&( 应该如何改?
sg3OL/" ?!d&E?9\ 【格式化日期】
E^/t$M|H 'O_3)x5 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
!C3MFm{B |es?;s' 【日期的验证表达式】
PuA9X[= D"2&P^- A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
BMG3|N^ ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
xg;+<iW YSic-6z0Ms B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
lJ}_G>GJ ^\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]))$
DpvI[r//'* L(|N[# 【大小写转换】
c]n1':FT" HttpUtility.HtmlEncode(string);
7'W%blg!V HttpUtility.HtmlDecode(string)
{byBcG g+Sbl 19.如何设定全局变量
1VG4S){}\9 Uyg5i[&X@ Global.asax中
= C8 ?M }J:U=HJ Application_Start()事件中
:~tAUy":_* #FCnA 添加Application[属性名] = xxx;
Ybs\ES'?A >_-s8t=| 就是你的全局变量
zuJ@E=7 KWowN; 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
e478U$ /'l{E HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
`(ue63AZ ~obqG!2m 【ASPNETMENU】点击菜单项弹出新窗口
"$+Jnc!! lm-dW'7& 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
P3x= 8_# <?xml version="1.0" encoding="GB2312"?>
'
V^6XI <MenuData ImagesBaseURL="images/">
Q
Nh|Wz <MenuGroup>
-pf} <MenuItem Label="内参信息" URL="Infomation.aspx" >
t^R][Ay& <MenuGroup ID="BBC">
bnq;)>& <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
)NXmn95 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
K/j3a[. ......
A@1W}8qY: bLij7K2H 最好将你的aspnetmenu升级到1.2版
7Bzq,2s pfA|I*`XV 21.读取DataGrid控件TextBox值
v&Yi foreach(DataGrid dgi in yourDataGrid.Items)
N kb|Fd/s {
LsqA**= TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
iNtaDX|%/ tb.Text....
JQ8fdP A }
r@h5w_9 1PVtxL?1P 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
xW)2<m6C& ;qafT@
}C 〖思归〗
.h@rLorm> <asp:TemplateColumn HeaderText="数量">
"7'J&^| <ItemTemplate>
nm5cpnNl <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
*4Thd:7 ` onkeyup="javascript:DoCal()"
=n5zM._S- />
8_BV:o9kL p{amC ;cI$ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
=9'RM>
</ItemTemplate>
9YIM'q>`v </asp:TemplateColumn>
:~e>Ob[," R]c+?4J <asp:TemplateColumn HeaderText="单价">
ov`h <ItemTemplate>
p
Dx1z|@z <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
&=Ar onkeyup="javascript:DoCal()"
Z&Pg"a?\ />
bH7X'%r E4`N-3 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
]/[FR 5> m[?E </ItemTemplate>
|oH,
</asp:TemplateColumn>
J*yf2&lI5 N..yQ-6x? <asp:TemplateColumn HeaderText="金额">
&zl|87M <ItemTemplate>
5{|7$VqPF <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
BgurzS4- </ItemTemplate>
dA@]! </asp:TemplateColumn><script language="javascript">
`18qbot function DoCal()
[;4g {
GY6`JWk var e = event.srcElement;
.b3Qfxc> var row = e.parentNode.parentNode;
nrL9
E'F' var txts = row.all.tags("INPUT");
/\ y?Y if (!txts.length || txts.length < 3)
3KRd return;
b3&zjjQ 9_L[w\P|4 var q = txts[txts.length-3].value;
lP[w?O var p = txts[txts.length-2].value;
Y}t \4 di 1tEgl\u\ if (isNaN(q) || isNaN(p))
wKtl+}} return;
kw>v:F<M W]"zctE q = parseInt(q);
Tzt8h\Q^z p = parseFloat(p);
-[*,^Ti` SN9kFFIPb= txts[txts.length-1].value = (q * p).toFixed(2);
m'Amli@[ }
''q@> </script>
O,+1<.;+ N=4G=0 `ke MW! srTQ_ 7L`A{L )IP,;< 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。
iZ#!O*> page_load
Ed0QQyC@9 page.smartNavigation=true
^ZvWR% sv: 9clJ 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 ?
nno}e/zqf private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
hv`~?n)D66 {
N|8P) for(int i=0;i<e.Item.Cells.Count-1;i++)
S@jQX if(e.Item.ItemType==ListItemType.EditType)
K,Ef9c/+K {
hEA<o67 e.Item.Cells.Attributes.Add("Width", "80px")
I?h)OvWd }
03|PYk 6EW }
\l'm[jy> Lz`E;k^ 26.对话框
\s/s7y6b+ private static string ScriptBegin = "<script language=\"JavaScript\">";
oiF}?:7Q7 private static string ScriptEnd = "</script>";
8ZM?)#`@{ 5m*iE*+ public static void ConfirmMessageBox(string PageTarget,string Content)
WQ~;;.v# {
<Y*+|T+&d string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
$h2){*5E{ mPOGidxix ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
K{x\4 g-Mj.owu= Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
X>1,!I9 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
sT !~J4 //Response.Write(strScript);
3VsW@SG7N }
WzPTFw[ -MW_|MG 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
%z/hf ~k\fhx 1.1 取当前年月日时分秒
H35S#+KX currentTime=System.DateTime.Now;
J}htu 3/aMJR:o
1.2 取当前年
x*![fK int 年= DateTime.Now.Year;
~3Lg"I Lrta/SU* 1.3 取当前月
cGtO
+DE int 月= DateTime.Now.Month;
ta35 K" DwaBdN[!7 1.4 取当前日
33o9Yg|J~ int 日= DateTime.Now.Day;
V^7V[(~` bt"W(m&f 1.5 取当前时
Ov};e int 时= DateTime.Now.Hour;
Z,RzN5eN O,J>/
1.6 取当前分
8J=?5 int 分= DateTime.Now.Minute;
.Obw|V- udxFz2>_l$ 1.7 取当前秒
J5di[nu int 秒= DateTime.Now.Second;
gi(H]|=a NgADKrDU 1.8 取当前毫秒
$LKIT0 int 毫秒= DateTime.Now.Millisecond;
}O/U;4Z $Wjww-mx 28.自定义分页代码:
W,4QzcQR '= _/ 1F*q 先定义变量 :
NiWa7 /Hr public static int pageCount; //总页面数
;'?l$
._ public static int curPageIndex=1; //当前页面
G,$PV
e* z{[xze-f 下一页:
W0(_~ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
O*eby*%h {
|
h`0u'# DataGrid1.CurrentPageIndex += 1;
{HL3<2=o curPageIndex+=1;
ZRv*!n(Ug< }
D!Q">6_"z ;o^eC!:/% bind(); // DataGrid1数据绑定函数
}E+!91't.^ ;,$NAejgd 上一页:
O!zV)^r if(DataGrid1.CurrentPageIndex >0)
B\<Q ;RI2; {
pM^9c7@!: DataGrid1.CurrentPageIndex += 1;
Y&[1`:-~- curPageIndex-=1;
~res V }
<A<{,:5C (hTCK8HK bind(); // DataGrid1数据绑定函数
x4g3rmp NS9B[*"Jl 直接页面跳转:
wHsYF` int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
3Vsc 9B"w #hW;Ju73 if(a<DataGrid1.PageCount)
sSOOXdnGG {
!$DIc this.DataGrid1.CurrentPageIndex=a;
l/BLUl~z }
Jpj}@, b^ L
\>3 bind();
B||*.`3gN $.C=H[QC 29.DataGrid使用:
:@kGAI \X<bH&x:z 添加删除确认:
\[BK1JP private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
4FEk5D {
?f#y1m foreach(DataGridItem di in this.DataGrid1.Items)
x1Lb*3Fe {
LG-y]4a} if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
wQv'8A_} {
ie;]/va ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
R#xCkl - }
UQ8M~x5$3% }
`kOD[* }
y]2qd35u_A D5$wTI 样式交替:
Q<z_/j9 ListItemType itemType = e.Item.ItemType;
,%n\= #?5 (o if (itemType == ListItemType.Item )
L>MLi3{ {
,RE\$~`w e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
yN~dU0.G6! e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
^w(p8G_-w }
s<*XNNE7 else if( itemType == ListItemType.AlternatingItem)
0F@"b{&0 {
j H19k}D e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
Acnl^x7Y1 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
e.]K L(' }
i7]4W t/ +=|* 添加一个编号列:
-0?~ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
=3|O%\ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
M54j@_81pX H:!7: for(int i=0;i<dt.Rows.Count;i++)
>^%7@i:@U {
0%,!jW{` dt.Rows["number"]=(i+1).ToString();
pV.Av }
Nqw&< x+ X'%E\/~u DataGrid1.DataSource=dt;
NxjB/N
DataGrid1.DataBind();
e&7JpT /[O(ea$U DataGrid1中添加一个CheckBox,页面中添加一个全选框
PH `9MXh private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
< XP9@t&
{
' pm2n0 foreach(DataGridItem thisitem in DataGrid1.Items)
m6n?bEl6I {
wm]^3qI2 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
VGtC)mG8) }
;epV<{e$q4 }
FQT~pfY dA@'b5N{" 将当前页面中DataGrid1显示的数据全部删除
_Xn qb+ foreach(DataGridItem thisitem in DataGrid1.Items)
Is]aj-#r {
]GN7+8l if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
QF{4/y^j{ {
%{YN70/ string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
;w'D4p= P Del (strloginid); //删除函数
`jzTmt }
/b]oa! }
vLR~'"`F q2. XoCf 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)
?z}=B hZh9uI7. 在Application_Start中添加以下代码:
^[]}R: Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
jZh';M8" AppSettings["ConnStr"].ToString();
;FBUwR} 0|2%vh >J 31. 变量.ToString()
$wmvKQc{lx uIcn{RZ_z 字符型转换 转为字符串
()K " c# 12345.ToString("n"); //生成 12,345.00
dlJbI}-v= 12345.ToString("C"); //生成 ¥12,345.00
) _mr! z(S 12345.ToString("e"); //生成 1.234500e+004
@Gx.q&H 12345.ToString("f4"); //生成 12345.0000
1c<=A!"{ 12345.ToString("x"); //生成 3039 (16进制)
m<{<s T 12345.ToString("p"); //生成 1,234,500.00%
.jS~By|r #k_HN}B 32、变量.Substring(参数1,参数2);
$Z|ffc1 F_Y7@Ei/ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
f` :i.Sr L !=4N!j 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
_7IKzUn9g[ <SCRIPT language="javascript">
)N=NR2xBZ <!--
D<8HZ%o function gook(pws)
AK\$i$@6 {
+|bmT frm.submit();
la( <8 }
T32+3wb"I //-->
[
j3&/ f@8>HCI </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Vl_:c75" <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
*GxTX3i}vc <tr>
jov:]Bic <td>
}| J79s2M <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
{Z3dF)> <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
|~'IM3Jw(Y <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
q6_u@:3u JL\w_v <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
5m?8yT} <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
Lg~B'd8m IB#
@yH </td>
=
QQ5f5\l
Y^
kXSU </tr>
vFE;D@bz: ta`N8vnf </form>
$-#Yl&?z9 58%#DX34M 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
S:TgFt0 e*@{%S 下面是获取用户输入的登陆信息的代码:
A-,up{g string name;
##@$|6 name=Request.QueryString["EmailName"];
k$H%.l;E '~ ,p[ try
][W_[0v {
K?s+ 3 int a=name.IndexOf("@",0,name.Length);
FDVcow*] n f_user.Value=name.Substring(0,a);
l5\"9 ,< f_domain.Value=name.Substring(a+1,name.Length-(a+1));
UNPezHaz f_pass.Value=Request.QueryString["Psw"];
2zVJ vn7 }
1AG=%F|. `}BF${vF catch
M9y<t' {
TUHi5K Script.Alert("错误的邮箱!");
wD68tG$ Server.Transfer("index.aspx");
\[gReaI }