1. 打开新的窗口并传送参数:
/|D*w^> 3 yB!M 传送参数:
`nZ )> response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
"t~ <kx&w(= 接收参数:
*^:N.&] string a = Request.QueryString("id");
|v$JCU3!A string b = Request.QueryString("id1");
JW3B'_0 i*@<y/&' 2.为按钮添加对话框
]{ntt}3G, Button1.Attributes.Add("onclick","return confirm(’确认?’)");
p{j.KI s7 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
lp(8E6 6x%h6<#xh* 3.删除表格选定记录
=fO5cA6Z int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Yj6*NZ* string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
w.\&9]P3~ &FF"nE* 4.删除表格记录警告
#6CC3TJ'k private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
xo7Kn+ Kl {
R
wZ]),o switch(e.Item.ItemType)
T>NDSami {
n:{qC{D-qS case ListItemType.Item :
r(RKwr:m case ListItemType.AlternatingItem :
<|SRe6m case ListItemType.EditItem:
~NpA".PB TableCell myTableCell;
:gep:4&u myTableCell = e.Item.Cells[14];
T Kg aV;92 LinkButton myDeleteButton ;
0sfr d myDeleteButton = (LinkButton)myTableCell.Controls[0];
34Kw! myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
j'MO(ev break;
hMykf4 default:
F;7dt@5; break;
E.Jkf\ }
[<
&oF Ht&:-F+dm }
CnG+Mc^ i? K|TC` 5.点击表格行链接另一页
SAyufLEv, private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
4*Hgv:0?kI {
M!REygyx //点击表格打开
lXjXqk\ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
@NNq z e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
MP4z-4Y }
MMx9(`t*. c+hQSm|bf) 双击表格连接到另一页
f7X6fr< )'6DNa[y 在itemDataBind事件中
mjKS{ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{z")7g ]l {
=9fajRFTt string OrderItemID =e.item.cells[1].Text;
&i$ldR ...
y"H*%] e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
8j=}u/T@F }
no9;<]4 8&)DE@W 双击表格打开新一页
u (em&M if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-6n K<e` {
X ><?F|#7T string OrderItemID =e.item.cells[1].Text;
b"vv>Q~U ...
\l]DQaOEe e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
L_wk~z }
2gCX}4^3b VrxQc qPr` ★特别注意:【?id=】 处不能为 【?id =】
^]W<X"H+Z 6.表格超连接列传递参数
BA%pY|"Q <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
NqDHCI <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
Te<}*qvD OslL~< 7.表格点击改变颜色
\<y#R~7s if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
@AIaC-,~] {
a{qM2P(S e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
/Q2mMSK1h this.style.color=’buttontext’;this.style.cursor=’default’;");
4:dH] }
zhpt%7So =1 Oj*x@*4 写在DataGrid的_ItemDataBound里
Ns7(j- if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
o'f?YZ$. {
e= .njMqW5 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
,z-}t&
_t this.style.color=’buttontext’;this.style.cursor=’default’;");
=p=rg$? e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
n1VaLD }
(tZrw5@ JSTuXW uoX:^'q
8.关于日期格式
O]1y0BOQ a6WI170^1 日期格式设定
83Q4On DataFormatString="{0:yyyy-MM-dd}"
/$'AjIg4:& ak |WW]R 我觉得应该在itembound事件中
m6[0Kws& e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
}5}.lJ: PSZL2iGj9V 9.获取错误信息并到指定页面
d[V;&U b{]z
wpf 不要使用Response.Redirect,而应该使用Server.Transfer
QUQu^p #>mr[ e.g
}A7j/uy}s // in global.asax
ZGYr$C~ protected void Application_Error(Object sender, EventArgs e) {
Ire\i7MF: if (Server.GetLastError() is HttpUnhandledException)
pXtX jb Server.Transfer("MyErrorPage.aspx");
?Vf o+a, INi]R^- //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
\V*xWS }
]A<~XIu h >s!K9 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
\3S8 62B7 D~$r\]av 10.清空Cookie
?l^1 *Q, Cookie.Expires=[DateTime];
( 8c9 /7h Response.Cookies("UserName").Expires = 0
3T!lA 0QOBL'{7) 11.自定义异常处理
*/|9= $54 //自定义异常处理类
MgNU`` using System;
HFaj-~b using System.Diagnostics;
h?;T7|^ +i2}/s@JJ namespace MyAppException
yX0dbW~@y {
8'4S8DM /// <summary>
JAX*hGhkh /// 从系统异常类ApplicationException继承的应用程序异常处理类。
U}PiY"S< /// 自动将异常内容记录到Windows NT/2000的应用程序日志
=MLcm^b /// </summary>
<-D0u?8 public class AppException:System.ApplicationException
eK!V
); {
nw<&3k(g} public AppException()
<c,u3cp {
X7i/fm{l' if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
371
TvZ4 }
82QGS$0V ,]cD public AppException(string message)
2h=!k|6 {
/gu%:vq LogEvent(message);
iIq)~e/ Z }
hijgF@ bdibaN-h public AppException(string message,Exception innerException)
frT]5?{ {
*?Kr*]dnLl LogEvent(message);
:C65-[PSdO if (innerException != null)
Bxfc}vC. {
E7Y`|nT LogEvent(innerException.Message);
x\s|n{ }
E8n)}[k!0 }
m$W < =<X?sj5 //日志记录类
`P8Vh+7u using System;
!H irhDN using System.Configuration;
w`il=ZAC using System.Diagnostics;
U9A~9"O using System.IO;
Qe}`~a9P using System.Text;
(v}>tb*#` using System.Threading;
.D:Z{|.1 TT4./R: namespace MyEventLog
f/Hm{<BY
{
]jaQ[g$F /// <summary>
V8HnUuz /// 事件日志记录类,提供事件日志记录支持
B,@c;K /// <remarks>
JNa"8 /// 定义了4个日志记录方法 (error, warning, info, trace)
}`v~I4i /// </remarks>
|*'cF-lp6v /// </summary>
ae0>
W public class ApplicationLog
KOp162X>r {
jlBanGs? /// <summary>
Y))u&*RuT0 /// 将错误信息记录到Win2000/NT事件日志中
LjUy*mxw /// <param name="message">需要记录的文本信息</param>
I>[RqG /// </summary>
OZTPOz. public static void WriteError(String message)
x-AZ%)N9 {
;ml)l~~YU WriteLog(TraceLevel.Error, message);
w[!^;# }
5KDGSo QzzW x2 /// <summary>
{FIXc^m' /// 将警告信息记录到Win2000/NT事件日志中
k?z98 >4 /// <param name="message">需要记录的文本信息</param>
bX*Hi#J~A /// </summary>
_`_%Y(Xat public static void WriteWarning(String message)
f3H ed {
-Gw$#! WriteLog(TraceLevel.Warning, message);
)d$glI+ }
9v}G{mQ# 6C]1Q.f; /// <summary>
DV\`Wv /// 将提示信息记录到Win2000/NT事件日志中
,^x4sA[/ /// <param name="message">需要记录的文本信息</param>
NyVnA /// </summary>
1Lg-.-V
public static void WriteInfo(String message)
E !a|Xp {
LF~*^n> WriteLog(TraceLevel.Info, message);
@:U+9[ }
oA =4=` /// <summary>
yI ld75S` /// 将跟踪信息记录到Win2000/NT事件日志中
=ZDAeVz3w /// <param name="message">需要记录的文本信息</param>
rfgI$eu
/// </summary>
Qum9A public static void WriteTrace(String message)
Bnb#{tL {
1\g6)|R-+ WriteLog(TraceLevel.Verbose, message);
"=+7-` }
gx&Tt #%D_Y33; /// <summary>
t: IN,Kl4 /// 格式化记录到事件日志的文本信息格式
FRS>KO=3 /// <param name="ex">需要格式化的异常对象</param>
05spovO/' /// <param name="catchInfo">异常信息标题字符串.</param>
;[W"mlM /// <retvalue>
<IC~GqXv /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
EC\yzH*X /// </retvalue>
cFJ-Mkll /// </summary>
T[sDVkCbxf public static String FormatException(Exception ex, String catchInfo)
:k3Nt5t! {
^B@Wp StringBuilder strBuilder = new StringBuilder();
rDQ!zlg>l if (catchInfo != String.Empty)
c{&*w")J {
,WG<hgg-U) strBuilder.Append(catchInfo).Append("\r\n");
:^fcC[$K }
"7v @Rye strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
']>Mp#j return strBuilder.ToString();
E6,4RuCK }
ObE,$_ k ;+tpvnV;] /// <summary>
~,BIf+\XF /// 实际事件日志写入方法
:sP!p`dl /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
/-qxS <?o /// <param name="messageText">要记录的文本.</param>
:LQ5u[g$\ /// </summary>
h~(D@/tB private static void WriteLog(TraceLevel level, String messageText)
x#Q>J"g {
)DeA}e?F try
>A<bBK# {
v k?skN@ EventLogEntryType LogEntryType;
<7n4_RlF! switch (level)
:pF_GkG {
a?6ab+7# case TraceLevel.Error:
qKE:3g35 LogEntryType = EventLogEntryType.Error;
Qed.4R:o break;
4mHvgnT!WA case TraceLevel.Warning:
GG0R}',0 LogEntryType = EventLogEntryType.Warning;
hTEx]# ( break;
UH"#2< |b case TraceLevel.Info:
-CR?<A4mud LogEntryType = EventLogEntryType.Information;
/MF!GM break;
?qX)ihe%k case TraceLevel.Verbose:
9&2Vm;F_ LogEntryType = EventLogEntryType.SuccessAudit;
V~hlq$jn<Y break;
4<?8M vF default:
;i"*Ll>Q) LogEntryType = EventLogEntryType.SuccessAudit;
Y)$ ;Ax-D break;
}#qGqY*@LK }
V %_4% m1IKVa7-\} EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
mCWhUBghR //写入事件日志
BA:yQ eventLog.WriteEntry(messageText, LogEntryType);
2PeR -YjA+XP }
\/SQ,*O catch {} //忽略任何异常
b.@P%`@a. }
E!Zx#XP1
} //class ApplicationLog
0z[dlHi }
.(X
lg-H, ]/!<PF 12.Panel 横向滚动,纵向自动扩展
S<L.c <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
W?We6.%
sz9G3artK& 13.回车转换成Tab
M#4QQ} F. <script language="javascript" for="document" event="onkeydown">
0UH*\<R if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
"
beQZG event.keyCode=9;
+R\vgE68 </script>
u- o--q RC^9HuR& onkeydown="if(event.keyCode==13) event.keyCode=9"
g1UGd UDe |Sb 14.DataGrid超级连接列
Bcjx>#3?L DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
`xc^_781\ r&2~~_d3y 15.DataGrid行随鼠标变色
D!oc>K$B private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%&Fk4Z}M {
)OLq_':^@ if (e.Item.ItemType!=ListItemType.Header)
TP}h~8 /; {
R.s^o]vT e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
eVR5Xar e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
xEltwuDd? }
YqV8D&I }
~+H"
-+ 6SC,;p= 16.模板列
ZZj~GQL(S <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
a2f^x@0k <ITEMTEMPLATE>
>z%Q>(F <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
^@"H1 </ITEMTEMPLATE>
mrJQ# </ASP:TEMPLATECOLUMN>
k;EPpr-{ |w*R8ro_ <ASP:TEMPLATECOLUMN headertext="选中">
H Y ynMP <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
g'l?~s`SB <ITEMTEMPLATE>
kwud?2E <ASP:CHECKBOX id="chkExport" runat="server" />
7P B)'Wl"6 </ITEMTEMPLATE>
e2+BWKaU <EDITITEMTEMPLATE>
=X!IHd0 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
<|*'O5B </EDITITEMTEMPLATE>
om3`[r[{ </ASP:TEMPLATECOLUMN>
}%-t+Tf, 9 Q!bt 后台代码
Z/6qG0feJ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
$fpq
3 {
~aXqU#8 //改变列的选定,实现全选或全不选。
;+I/ I9~ CheckBox chkExport ;
<N(oDa U if( CheckAll.Checked)
axk"^gps {
s 1ge0~p3 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
%Td )0Lqp {
vNW jH!' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
ZL<
MC~ chkExport.Checked = true;
\#rO!z
d }
CN2_bz }
*<'M!iRC else
o]LRzI {
/EMJSr foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
45@]:2j {
5y}
v{Ijt chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
C*X
G_b ] chkExport.Checked = false;
3p*-tBOO }
gFPi7 o1 }
=pIy }
hKlZi!4J ` r']^
, 17.数字格式化
(9 gOtJ oA
tsUF+a 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
b}G24{ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
3I|3wQ ( }sxn72, int i=123456;
{C^@Q"I string s=i.ToString("###,###.00");
;U`X 6d >~\w+^2f8 18.日期格式化
_}mK!_` *fO{ a 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
6e25V4e?I eV6o3u:9 显示为: 2004-8-11 19:44:28
=3 +l p\bFdxv# 我只想要:2004-8-11 】
p{=QGrxB* <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
cE{ =(OQ M]HgIL@9# 应该如何改?
Fvxu>BK 8V$3b?] 【格式化日期】
oh#>
5cA8 &kQ!KA28 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
=ZsGT R<zG^m 【日期的验证表达式】
Gy@7Xf :&J8.G^ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
(D{Ys'{q ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
5M23/=
N cgj.e B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
s(&;q4| ^\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]))$
S*)o)34U q9dLHi<1 【大小写转换】
4S
L_-Hm. HttpUtility.HtmlEncode(string);
}~o
ikN: HttpUtility.HtmlDecode(string)
qUf)j\7"Fn =f:(r'm?r. 19.如何设定全局变量
ACV ek ~]8p_;\ Global.asax中
^ft]b2i l[/q%Ca'> Application_Start()事件中
fw{,bJ(U d
`j?7Z 添加Application[属性名] = xxx;
{5Eyr$ !U BVPR* 就是你的全局变量
5]7&IDA]]9 WA
LGIW 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
=V|Nn0E ?z"KnR+?Q HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
~F#A
Pt PM4>ThQ 【ASPNETMENU】点击菜单项弹出新窗口
HPa|uDVv 9DEh*%q 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
jxy1 <?xml version="1.0" encoding="GB2312"?>
3ViM ?p <MenuData ImagesBaseURL="images/">
5#_tE<uM <MenuGroup>
k|O,1 <MenuItem Label="内参信息" URL="Infomation.aspx" >
H2Eb\v`# <MenuGroup ID="BBC">
gKL1c{BV <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
[xpQH? <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
M^H90GN)X ......
3:|-#F*k{ C=VIT*= 最好将你的aspnetmenu升级到1.2版
00M`%c/ p\U*;'hv 21.读取DataGrid控件TextBox值
DMkhbo&+ foreach(DataGrid dgi in yourDataGrid.Items)
?En7_X{C? {
F@hYA TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
z/1hqxHl tb.Text....
ma9ADFFT }
Q[s2}Z!N; +$(0w35V5 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?
|5xz l )o8g=7Jm 〖思归〗
">6&+^BN' <asp:TemplateColumn HeaderText="数量">
*?8RXer <ItemTemplate>
`)[dVfxA <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
abZdGnc onkeyup="javascript:DoCal()"
(5;D7zdA />
w3#`1T`N V:\]cGA{ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
8Inx/>eOI </ItemTemplate>
WOO%YU = </asp:TemplateColumn>
+8UdvMN pN$;! <asp:TemplateColumn HeaderText="单价">
\$;~74} <ItemTemplate>
e~Hr(O+;e6 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
<F=Dj*] onkeyup="javascript:DoCal()"
Lp~^*j( />
b~W)S/wF$P 8^w/HCC8O <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
\|Qb[{<:, p^8JLC </ItemTemplate>
]
C,1%( </asp:TemplateColumn>
C|6{fd4? ;i9>}]6 <asp:TemplateColumn HeaderText="金额">
>Me]m<$E; <ItemTemplate>
B~_Spp <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
>Zdi5')
5 </ItemTemplate>
dYyW]nZ& </asp:TemplateColumn><script language="javascript">
~Oh=
function DoCal()
g+9v$[! {
!BRcq~-. var e = event.srcElement;
IIaxgfhZ var row = e.parentNode.parentNode;
XOxB
(0@ var txts = row.all.tags("INPUT");
?f@ 9n ph if (!txts.length || txts.length < 3)
.&chdVcxyS return;
rBevVc![ QV/";A3k var q = txts[txts.length-3].value;
d +xA: var p = txts[txts.length-2].value;
PEy/k. 1CiA 8 if (isNaN(q) || isNaN(p))
S$K}v,8.sr return;
M]B3vPA/v W^(Iw%ek q = parseInt(q);
o
PaZ p = parseFloat(p);
m %Y(O s$3`X(Pn txts[txts.length-1].value = (q * p).toFixed(2);
0l1.O2- }
u0BMyH </script>
-,/3"}<^78 .M+v?Ad &Y=.D:z< 3`rIV*&_{ eKJ:?Lxv; 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
M,JA;a, _ page_load
&gWiu9WbS page.smartNavigation=true
!u%9;>T7 Oc^m_U8>^ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
6oA~J]< private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
1C'P)f28 {
Wo2v5- for(int i=0;i<e.Item.Cells.Count-1;i++)
WQ.i$ID/ if(e.Item.ItemType==ListItemType.EditType)
9ET/I$n {
A:c]1 e.Item.Cells.Attributes.Add("Width", "80px")
ixzTJ]y u }
;ct)H*
y }
QmHwn)Ly
7&px+155 26.对话框
@% H8"A private static string ScriptBegin = "<script language=\"JavaScript\">";
yXXvs'$R \ private static string ScriptEnd = "</script>";
Q^|6J#o[9 @9<S* public static void ConfirmMessageBox(string PageTarget,string Content)
t]r7cA {
v\'rXy string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
=
uk`pj[l lY->ucS %P ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
9iK&f\#5H X
[!X>w&z| Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
.c: )Qli ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
rd|crD3 //Response.Write(strScript);
(tpof
5a }
g#Mv&tU jPpRsw> 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
eB7>t@ED +
lP5XY{ 1.1 取当前年月日时分秒
*0-v!\{ currentTime=System.DateTime.Now;
[5!'ykZ Kny%QBoiw 1.2 取当前年
T|!D>l' int 年= DateTime.Now.Year;
Y!;gQeC 4XD)E& 1.3 取当前月
.`mtA`N int 月= DateTime.Now.Month;
h*G#<M Gj5>Y!9 1.4 取当前日
>j)
w\i int 日= DateTime.Now.Day;
;{]8>`im&4 joY1(Y 1.5 取当前时
e"PMvQ int 时= DateTime.Now.Hour;
Kc-Y Gxo#
! 1.6 取当前分
n+X1AOE[L int 分= DateTime.Now.Minute;
:4{Qh |@+8]dy:l 1.7 取当前秒
[qW<D/@ int 秒= DateTime.Now.Second;
}}s8D>;G~ N:OD0m%`) 1.8 取当前毫秒
k3C"
int 毫秒= DateTime.Now.Millisecond;
Pf{`/UlD u\:rY)V 28.自定义分页代码:
tnN'V Tt`L(oF 先定义变量 :
H/pcXj public static int pageCount; //总页面数
%8a=mQl1^ public static int curPageIndex=1; //当前页面
j=FMYd8$y M q76]I% 下一页:
\m%J`{Mt if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
g%X &f_@ {
~c!Rx' DataGrid1.CurrentPageIndex += 1;
ot]>}[
curPageIndex+=1;
x3gwG)Sf }
\ibCR~W4 32s5-.{c/f bind(); // DataGrid1数据绑定函数
Is<x31R >1m)%zt 上一页:
xnT3^ #-h if(DataGrid1.CurrentPageIndex >0)
" \`BPN {
W0C{~|e DataGrid1.CurrentPageIndex += 1;
o*-h%Z. curPageIndex-=1;
N4A&"1d& }
(rAiDRQ[ )\D2\1e(c bind(); // DataGrid1数据绑定函数
uXjoGcW k{?!O\yY 直接页面跳转:
Go-wAJ> int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Y+!Ouc!$ wH+FFXGJs if(a<DataGrid1.PageCount)
4=~ 9v {
>'eB2 this.DataGrid1.CurrentPageIndex=a;
Z+r%_|kZ }
mVa?aWpez _yiRh: bind();
1% asx'^ ,tcP=fdk] 29.DataGrid使用:
"3\oQvi. |
A3U@>6 添加删除确认:
(W7;}g ysh private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+{5JDyh0 {
1XqIPiXJ foreach(DataGridItem di in this.DataGrid1.Items)
A<mj8qz {
o`b$^hv{A if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
1d/NZJ9 {
Po'-z<}wS ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
+ylxezc }
xOwNCh }
tCuN?_UG }
3w
t:5
Im mfu*o0 样式交替:
g8LT7 ListItemType itemType = e.Item.ItemType;
67}]s@:l]( r hiS if (itemType == ListItemType.Item )
m$7x#8gF
{
+8Of-ZUx e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
m5X3{[a: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
l#X=]xQf }
L@>^_p$ else if( itemType == ListItemType.AlternatingItem)
\d `dV0X {
#L_@s
d e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
NS7@8 #C e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
AF6d#Klog }
dNOX&$/= F5<"ktnI 添加一个编号列:
G/NTe DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
;[FW! DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
KYnW7|* Sg/:n,68 for(int i=0;i<dt.Rows.Count;i++)
!S~,>,yd {
=$^Wkau dt.Rows["number"]=(i+1).ToString();
_7r qXkp% }
<I>%m, &sI,8X2a2 DataGrid1.DataSource=dt;
,Adus M DataGrid1.DataBind();
]jHgo](% ,:v.L}+Z DataGrid1中添加一个CheckBox,页面中添加一个全选框
&?KPu?9 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
4C l,Iw/; {
o}WB(WsG foreach(DataGridItem thisitem in DataGrid1.Items)
I(z>)S'7r {
9=Y,["br$_ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
A Oby*c }
A8\U
CG }
@`w' B.]qrS| 将当前页面中DataGrid1显示的数据全部删除
5u'TmLuKT foreach(DataGridItem thisitem in DataGrid1.Items)
}s`jl``PM {
P3+)pOE-SI if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
aeG#:
Ln+{ {
*Gg1h@& string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
di-O*ug Del (strloginid); //删除函数
Aivu %}_| }
_ff=B }
DCEvr" ( ArNur~ 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
2(c<U6#C'l 4a(g<5wfI 在Application_Start中添加以下代码:
JK@izI Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
|HaU3E*R AppSettings["ConnStr"].ToString();
aDm-X r u~'m7 31. 变量.ToString()
xaGVu0q T^/Gj|N* 字符型转换 转为字符串
z1Bj_u{ 12345.ToString("n"); //生成 12,345.00
JIyBhFI 12345.ToString("C"); //生成 ¥12,345.00
:NwMb^> 12345.ToString("e"); //生成 1.234500e+004
)z]q"s5 Y 12345.ToString("f4"); //生成 12345.0000
:N^@a- 12345.ToString("x"); //生成 3039 (16进制)
NWo7wVwc/c 12345.ToString("p"); //生成 1,234,500.00%
Ybs=W<- 844tXMtPB\ 32、变量.Substring(参数1,参数2);
vDu0 tb-OKZq 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
uB5h9&57 a<OCO0irJ 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
](B&l{V <SCRIPT language="javascript">
uznoyj6g <!--
.jU|gf:x function gook(pws)
v YRt2({}Z {
+zFV~]b frm.submit();
, aRJ!AZ }
r*X}3t* //-->
D%c7JK "|.+L </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
8\qCj.>S <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
&[?u1qQ%o <tr>
7h9 fQ&y <td>
v$gMLu= <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
c8k6(#\ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
&+E'1h10 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
K#9(|2J% AmT|%j&3 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
H j5WJ{p. <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
4
|:Q1 Vu|Br </td>
uPv;y!Lsa@ >wg9YZ~8 </tr>
}@ O|RkY O84v*=u A </form>
!1a|5
xrn r85Xa'hh 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。
YLA557~ z:ru68 下面是获取用户输入的登陆信息的代码:
egxJ3. string name;
)Dk0V!%N name=Request.QueryString["EmailName"];
cXLV"d %!ER @&1f& try
(n":]8} {
WuP([8 int a=name.IndexOf("@",0,name.Length);
X/`#5<x f_user.Value=name.Substring(0,a);
:/yr(V{ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
[6,]9|~ f_pass.Value=Request.QueryString["Psw"];
\p>]G[g }
Y^c,mK^ X] JpS catch
C0t+Q {
,E*a$cCw Script.Alert("错误的邮箱!");
0p:ClM2O
Server.Transfer("index.aspx");
;+r) j"W }