1. 打开新的窗口并传送参数:
kNW}0CDgs \*5`@>_ 传送参数:
3LT[?C]H$ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
s zgq7 s d-5AE 接收参数:
["N{6d&Q string a = Request.QueryString("id");
K5;
/ string b = Request.QueryString("id1");
{(o$? = U-uBz4Gha 2.为按钮添加对话框
%`r Z]^H Button1.Attributes.Add("onclick","return confirm(’确认?’)");
N_#QS}H button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
&O0@)jIV I)@b#V= 3.删除表格选定记录
x.d;7 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
|UA)s3Uhxb string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
.nXOv] `tmd' 4.删除表格记录警告
$w,&h:.p private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
/,G -1E {
wWaO"N] switch(e.Item.ItemType)
(_2;}eg {
)_$F/ug case ListItemType.Item :
H}TzNs case ListItemType.AlternatingItem :
a>1_|QB. case ListItemType.EditItem:
tS1(.CRk TableCell myTableCell;
'q+CL&D myTableCell = e.Item.Cells[14];
9NX/OctFa' LinkButton myDeleteButton ;
Dwvd myDeleteButton = (LinkButton)myTableCell.Controls[0];
pq<302uBQ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3v oas break;
y _Mte default:
J<[Hw g break;
?f9@ }
nq9|cS%- }jF67c-> }
8Ja't8 D;~c`G
"f 5.点击表格行链接另一页
X?p.U private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
FQc8j:' {
u ##.t //点击表格打开
[QC|Kd^# if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%XIPPEHU e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
;QVX'? }
i,77F ! hrLPyV: 双击表格连接到另一页
9eA2v{!S U
_QCe+ 在itemDataBind事件中
I/F3%'O if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
dd $}FlT {
Vn4y^_H string OrderItemID =e.item.cells[1].Text;
=!@5! ...
gO{XD.s e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
KJ/
*BBf }
HY
(|31 D_n(T') 双击表格打开新一页
c:%ll&Xtn if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-F&4<\=+ {
1 uKWvp0\ string OrderItemID =e.item.cells[1].Text;
o;d>< ...
#!a}ZhIt e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
fu}ZOPu }
^ Tr )gik Het5{Yb. ★特别注意:【?id=】 处不能为 【?id =】
h[%t7qo= 6.表格超连接列传递参数
3%"r%:fQB/ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
bV'^0(Zv <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
K6C@YY( X`REhvT 7.表格点击改变颜色
@wzzI 7}C if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
u0Nag=cU {
H<hFA(M e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
U{^~X_? this.style.color=’buttontext’;this.style.cursor=’default’;");
Iuh1tcc }
_trF /U< 9Z KB, 写在DataGrid的_ItemDataBound里
yXuc<m if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
B~[}E]WEK {
dZSv=UY) e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
3,Dc}$t this.style.color=’buttontext’;this.style.cursor=’default’;");
o.)8A8 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
#&L[?jEn }
x EX"pd {6V;$KqH6 aGUKpYF 8.关于日期格式
O@[jNs)]. F@+FXnz 日期格式设定
{
S]"-x DataFormatString="{0:yyyy-MM-dd}"
tH7@oV; 9e`.H0 我觉得应该在itembound事件中
j,HUk,e^& e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
tC4:cX `^mPq?f 9.获取错误信息并到指定页面
mBp3_E.t PNjZbOmzS 不要使用Response.Redirect,而应该使用Server.Transfer
}"V$li J.R|Xd e.g
"s:eH"_s // in global.asax
e@Cv')]B protected void Application_Error(Object sender, EventArgs e) {
o~
v if (Server.GetLastError() is HttpUnhandledException)
Jp'XZ]o\ Server.Transfer("MyErrorPage.aspx");
+Wr"c I UMt^z //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
'dkKBLsx }
ZSB_OS[N X =sC8E dx 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
zc}qAy'< \.@fAgv 10.清空Cookie
^oL43#Nlo Cookie.Expires=[DateTime];
`{1&*4! Response.Cookies("UserName").Expires = 0
VE
<p,IO W.B>"u 11.自定义异常处理
47GL[ofY //自定义异常处理类
{~Q9jg(A using System;
RB\0o,mw4 using System.Diagnostics;
v#HaZT]u hkK+BmMj\ namespace MyAppException
7wO0d/l_ {
S:\a&+og /// <summary>
k|O?qE1hP /// 从系统异常类ApplicationException继承的应用程序异常处理类。
pl-2O $ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
a!_vd B /// </summary>
FuA8vTV{ public class AppException:System.ApplicationException
y([""z3<w {
H
3e(- public AppException()
\`nRgYSE {
Qh3V[br if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
QG|KZ8uO }
vf|lF9@U } Fw/WD public AppException(string message)
gK`o;` ^ {
nb
-Je+ LogEvent(message);
/Ir|& <yB }
,>: BW`)q/ public AppException(string message,Exception innerException)
(|{b ZW} {
'1$#onx LogEvent(message);
Hy?+p{{G if (innerException != null)
tt|v opz {
$. ;j4%% LogEvent(innerException.Message);
c`hj^t }
t
Q0vX@I<v }
&8l4A=l$ Mp8FYPjZ //日志记录类
#6jdv|fu using System;
r_5k$u( using System.Configuration;
wRc=;f using System.Diagnostics;
Up(Jw-. using System.IO;
Rk1B \L|M using System.Text;
^m3[mY [a using System.Threading;
#Cwzk{p( <`'^rCWI? namespace MyEventLog
AK#`&)0i {
.7BB*!CP /// <summary>
[P,/J$v^~ /// 事件日志记录类,提供事件日志记录支持
%LL*V| /// <remarks>
ylV.ZoY6 /// 定义了4个日志记录方法 (error, warning, info, trace)
O_f+#K) /// </remarks>
#4?(A[]>H /// </summary>
ndsu}:my public class ApplicationLog
|5ifgSZ {
f;Iaf#V_ /// <summary>
FUq>+U!Qu /// 将错误信息记录到Win2000/NT事件日志中
YivWvV /// <param name="message">需要记录的文本信息</param>
K*ZH<@o4 /// </summary>
BFCF+hU^6R public static void WriteError(String message)
_l i\b- {
%(EUZu2 WriteLog(TraceLevel.Error, message);
i$Rlb5RU }
SO}$96 H%K,2/Nj /// <summary>
c:a5pd7T /// 将警告信息记录到Win2000/NT事件日志中
q}nL'KQ,n /// <param name="message">需要记录的文本信息</param>
p6VHa$[ /// </summary>
!PaDq+fB public static void WriteWarning(String message)
Is87
9_Z {
:+Pl~X"_ WriteLog(TraceLevel.Warning, message);
:6^8Q,C1@ }
hhS]wM?B \F|L y >g /// <summary>
AYC22( /// 将提示信息记录到Win2000/NT事件日志中
!kPZuU`T /// <param name="message">需要记录的文本信息</param>
N+<`Er /// </summary>
5y}kI public static void WriteInfo(String message)
wU\3"!^h {
12NV WriteLog(TraceLevel.Info, message);
~)RKpRga\p }
/1Xji0LK /// <summary>
wbC'SOM /// 将跟踪信息记录到Win2000/NT事件日志中
%cWy0:F5VY /// <param name="message">需要记录的文本信息</param>
qJ;T$W=NG /// </summary>
w
Wx,}= public static void WriteTrace(String message)
P5:X7[ {
`OY_v=} WriteLog(TraceLevel.Verbose, message);
hb6UyN }
rKP;T"?; WHV]H /// <summary>
\Z +O9T% /// 格式化记录到事件日志的文本信息格式
"hwG"3n1 /// <param name="ex">需要格式化的异常对象</param>
2iUdTy$ /// <param name="catchInfo">异常信息标题字符串.</param>
;'\{T#5) /// <retvalue>
*mqoyOa /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
>3S^9{d /// </retvalue>
fP>K!@!8 /// </summary>
zH0{S.3k public static String FormatException(Exception ex, String catchInfo)
R+c
{Pl {
q><E? StringBuilder strBuilder = new StringBuilder();
>5i(U_`l if (catchInfo != String.Empty)
Q(
WE.ux)< {
;2m<#~@0 strBuilder.Append(catchInfo).Append("\r\n");
FyXz(l: }
Q%xvS,oI strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
%hYol89F return strBuilder.ToString();
ODGOWw0 }
k$V.hG|6M UTatcn /// <summary>
x5Sc+5?* /// 实际事件日志写入方法
=h~\nTN /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
0G(T'Z1 /// <param name="messageText">要记录的文本.</param>
cuJ%;q=; /// </summary>
IC-k private static void WriteLog(TraceLevel level, String messageText)
[:HT=LX3 {
!MOgM try
Kn]c4h}@b5 {
/4\!zPPj. EventLogEntryType LogEntryType;
+4k Bd<0Y switch (level)
9zj^\-FA_l {
p;S<WJv k case TraceLevel.Error:
{+V1>6 LogEntryType = EventLogEntryType.Error;
/f!CX|U break;
:
"[dr~. case TraceLevel.Warning:
l
vuoVINEp LogEntryType = EventLogEntryType.Warning;
L< MIl[z7 break;
JrF\7*rh9 case TraceLevel.Info:
*/B-%*#I. LogEntryType = EventLogEntryType.Information;
6Xjr0C+ break;
\Rc7$bS2H case TraceLevel.Verbose:
7o$4ov;T LogEntryType = EventLogEntryType.SuccessAudit;
r)jj]$0 break;
@_&@M~ u default:
D0?l$]aE LogEntryType = EventLogEntryType.SuccessAudit;
QI@!QU$K& break;
*i[^- }
;c5Q" *KP
60T EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
9aw- n*< //写入事件日志
~]71(u2 eventLog.WriteEntry(messageText, LogEntryType);
o=`FGowF W
s!N%%g }
%J06]FG7 catch {} //忽略任何异常
a7#J af }
?)9mHo^ } //class ApplicationLog
tA+ c }
mZVYgJQ[ }.<%46_Z- 12.Panel 横向滚动,纵向自动扩展
]KMOLe6( <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
hSmu"a,S D. 2HM 13.回车转换成Tab
'kW' e <script language="javascript" for="document" event="onkeydown">
z5CZ!"&v if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
:^mfTj$ event.keyCode=9;
$x&\9CRM </script>
|BD]K0 X!0s__IOc onkeydown="if(event.keyCode==13) event.keyCode=9"
V~y4mpfX djVE x} 14.DataGrid超级连接列
EM+_c)d} DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
g)+45w*+5 |Ew\Tgo/2 15.DataGrid行随鼠标变色
}hOExTz private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
3AWNoXh {
|C9qM if (e.Item.ItemType!=ListItemType.Header)
9,|&+G$ {
?@
ei_<A{ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
H4'xxsx e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
DCfV }
,*fvA? }
EQ&E C Y?Yix 16.模板列
1MdVWFKXV <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
\*#9Ry^f <ITEMTEMPLATE>
UOrfwK <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
jP6;~[rl </ITEMTEMPLATE>
.^^YS$%%7 </ASP:TEMPLATECOLUMN>
;|v6^2H" ]*+ozAG4 <ASP:TEMPLATECOLUMN headertext="选中">
rIz"_r <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
zmI?p4, <ITEMTEMPLATE>
XfFZ;ul <ASP:CHECKBOX id="chkExport" runat="server" />
C%<[mM </ITEMTEMPLATE>
2U6j?MyH2 <EDITITEMTEMPLATE>
b'Gn)1NE <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
6KmF 9 </EDITITEMTEMPLATE>
kW&{0xkGR </ASP:TEMPLATECOLUMN>
<o5+*X RaFk/mSw 后台代码
5B{O!SNd protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
n$ye:p>`- {
Z3=DM=V;v //改变列的选定,实现全选或全不选。
EJYfk?(B CheckBox chkExport ;
j;fmmV@ if( CheckAll.Checked)
K,YKU?z6 {
p8F5b8]* foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Ek' {
iq`y chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
zzfwI@4 chkExport.Checked = true;
f<A Bs4w }
STp}?Cb }
H"8+[.xBh else
Ml8 '=KN_ {
ANh5-8y foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
x,"'\=|s* {
vB, X) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
hM2^[8 chkExport.Checked = false;
'j];tO6GfC }
uQ#3;sFO }
!8]W"@qb }
GYot5iLg %&9tn0B
17.数字格式化
v4sc D,+I)-k< 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
F7^d@hSV <%#Container.DataItem("price","{0:¥#,##0.00}")%>
:Vq gmn M:h~;+s int i=123456;
Ow=` tv$l string s=i.ToString("###,###.00");
)K\w0sjR =
wNul" 18.日期格式化
Y[x9c0 ['m@RJm+ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
W&y%fd\&3 VA_\Z 显示为: 2004-8-11 19:44:28
w5|az6wZB! d|5u<f5 我只想要:2004-8-11 】
$53I%. <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
=vBxwa^ Kd
CPt! 应该如何改?
SE{$a3`UzP 94"R&| 【格式化日期】
pU)wxv[~ ]>K%,}PS 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
7,ODh-?ez ,dKcxp~[ 【日期的验证表达式】
5nzkZw )` S,vF~ A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
`bO+3Y'5 ^((\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})))?$
Ps0'WRJnx ' -[ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
d;|Pp;dc ^\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]))$
(`gqLPx[ ;ej;<7+ 【大小写转换】
rixNz@p'% HttpUtility.HtmlEncode(string);
~q#UH'=% HttpUtility.HtmlDecode(string)
zLuej' @Y*ONnl 19.如何设定全局变量
3+"z 3.B|uN Global.asax中
0*W=u-|s6 OUn,URI Application_Start()事件中
R@t?!`f!+ UO8#8 添加Application[属性名] = xxx;
ZVE q{x1Zc ]1rr$f9 就是你的全局变量
RUm1;MWs Fsv%=E{ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
I(ds]E
;_E Z6SM7?d HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
z^S=ji U++ ;id0|x 【ASPNETMENU】点击菜单项弹出新窗口
K=VYRY VWd=7 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
r8+{HknB; <?xml version="1.0" encoding="GB2312"?>
~j",ePl <MenuData ImagesBaseURL="images/">
LnvC{#TFO <MenuGroup>
s$J0^8Q~i <MenuItem Label="内参信息" URL="Infomation.aspx" >
c3]ZU^ <MenuGroup ID="BBC">
D_D<N(O <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
X'e@(I!0 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
1Ah ......
)#Ea~>v 5YMjvhr?W 最好将你的aspnetmenu升级到1.2版
He. gl "CBe$b4 21.读取DataGrid控件TextBox值
Z.<OtsQN foreach(DataGrid dgi in yourDataGrid.Items)
t.c XrX`k {
zS 18Kl TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
j*<H18^G tb.Text....
v7T05 }
#rqLuqw E"&fT!yi 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
z'3 2 Q,e1'= 〖思归〗
M?x/C2| <asp:TemplateColumn HeaderText="数量">
|2AK~t|t <ItemTemplate>
j%Y`2Ra <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
V9NE kS onkeyup="javascript:DoCal()"
&,2XrXiFu />
6<.Ma7)lA i[H`u,%+( <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
[2~Et+r6g </ItemTemplate>
*xA&t)z(i </asp:TemplateColumn>
R
@b[o7/ WE 'afxgV <asp:TemplateColumn HeaderText="单价">
^aN;M\ <ItemTemplate>
?SRG;G1 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
K/KZ}PI-O onkeyup="javascript:DoCal()"
6:i{_YX(.S />
QNJ )HNLp _CDUUr <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
]6Kx0mW +rfw)c' </ItemTemplate>
a,x-akZWf </asp:TemplateColumn>
F]@vmzr _5EM <Ux <asp:TemplateColumn HeaderText="金额">
W'eF
| hu <ItemTemplate>
%fnL <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
6%~ Z^>`N </ItemTemplate>
q3TAWNzI0 </asp:TemplateColumn><script language="javascript">
3qE2mYK function DoCal()
eaCv8zdX {
1|l'oTAA var e = event.srcElement;
6MvjNbQ var row = e.parentNode.parentNode;
lX/s Q var txts = row.all.tags("INPUT");
9^QiFgJy if (!txts.length || txts.length < 3)
^.aFns{wv return;
<XiHQ
B! xDG8C39qrs var q = txts[txts.length-3].value;
,<0R'R var p = txts[txts.length-2].value;
wZ6LiYiHl |jH-
bm if (isNaN(q) || isNaN(p))
W2P(!q>r] return;
cm@q{(r
O@6iG q = parseInt(q);
Pp3<K649 p = parseFloat(p);
*cz nokq6 +KgLe> -} txts[txts.length-1].value = (q * p).toFixed(2);
FY+0r67] }
w4P?2-kB </script>
.w/w]
Eq Q^>"AhOiU / CEn yE/ 8+5#FC7 Fy37I/#)r& 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
WcqQR))n page_load
| s%--W page.smartNavigation=true
X Uc(7>k s9+Rq*Qd 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
4<[,"<G~3 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
?-%Q[W {
P|HxD0c^u for(int i=0;i<e.Item.Cells.Count-1;i++)
e=&,jg?K if(e.Item.ItemType==ListItemType.EditType)
8Q
ba4kgL {
`ECT8 e.Item.Cells.Attributes.Add("Width", "80px")
ZmeSm&
hQ_ }
y:u7*%" }
o.W:R Ux O?5uCh$H 26.对话框
Cl#PYB{1Y private static string ScriptBegin = "<script language=\"JavaScript\">";
EK`}?>' private static string ScriptEnd = "</script>";
KK$t3e) ea[vzD] public static void ConfirmMessageBox(string PageTarget,string Content)
-d5b,leC^ {
p)v|t/7 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
pW$ZcnU Ey96XJV ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
F|pM$Kd` 2*;qr|h, Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
$2uk;&"?A= ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
7niZ`doBA //Response.Write(strScript);
>L[n4x\ }
3}R}|Ha
J# 36"-cGNr{ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
S"hA@j )tYu3*' 1.1 取当前年月日时分秒
" E+V>V+ currentTime=System.DateTime.Now;
Cge@A'2 yTJ Eo\g/@ 1.2 取当前年
-([
ipg(r int 年= DateTime.Now.Year;
~+DPq|-O j"=F\S&! 1.3 取当前月
mbT4K8<^ int 月= DateTime.Now.Month;
XzLB#0 &?X0;,5) 1.4 取当前日
BwOIdz%]OY int 日= DateTime.Now.Day;
1.Kun !w ayF+2(vch) 1.5 取当前时
xb{G:v int 时= DateTime.Now.Hour;
r+v?~m! {<ms;Oi' 1.6 取当前分
p1tqwV int 分= DateTime.Now.Minute;
IE*eDj xs#g 1.7 取当前秒
>,%or cN int 秒= DateTime.Now.Second;
#<h//< +}3l$L'bY 1.8 取当前毫秒
u7||]|2 int 毫秒= DateTime.Now.Millisecond;
PY81MTv0; (|O9L s7N 28.自定义分页代码:
%M)LC>c rnAQwm-8O% 先定义变量 :
RfoEHN public static int pageCount; //总页面数
j-]`;&L public static int curPageIndex=1; //当前页面
7pPaHX8 h;TN$ / 下一页:
-sjyv/%_ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
)LC"rSNx% {
/=5:@ DataGrid1.CurrentPageIndex += 1;
|k.%e4 curPageIndex+=1;
}ejZk
bP }
tKS'#y!R F/%M`?m"ie bind(); // DataGrid1数据绑定函数
oRkh>yj' jD}G9=[$1 上一页:
wWkMvs if(DataGrid1.CurrentPageIndex >0)
?iXN..6x {
8MQb5( ! DataGrid1.CurrentPageIndex += 1;
I9
(6 curPageIndex-=1;
WwDd62g }
@T.+:U@S J2ZV\8t bind(); // DataGrid1数据绑定函数
ohU}ST:9 '`s+e#rs4{ 直接页面跳转:
jK^Q5iD int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Rf4}((y7Y\ XoNBq9Iu if(a<DataGrid1.PageCount)
IL>VH`D {
~a$h\F'6
this.DataGrid1.CurrentPageIndex=a;
L;GkG! g }
OsT|MX /SW*y@R2l bind();
'3|fv{I TJ_Wze-lQ 29.DataGrid使用:
=\`iC6xP} aS! If > 添加删除确认:
!i>d04u`% private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
]\Z8MxFD {
Lv&9s foreach(DataGridItem di in this.DataGrid1.Items)
;mT {
+)xjw9b if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
*fCmZ$U:{ {
q0C%">>1# ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
d/Sw.=vq }
@WCA7DW! }
gNHS:k\" }
@}\i`H1s W1Vy5V|M 样式交替:
;Zm-B]\ ListItemType itemType = e.Item.ItemType;
h6b(FTC^ [KL-T16 if (itemType == ListItemType.Item )
j- cp {
5,R4:y ?cK e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
?}e^-//*i e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Kn=0AdM }
w,i?e\5 else if( itemType == ListItemType.AlternatingItem)
=&i#NSK {
l*.u rG e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
KCIya[$* e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
>[2; }
jiejs* S6g_$Q7 添加一个编号列:
?$K.*])e DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
YK\pV'&+ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
j1rR3)oP q|{z9V< for(int i=0;i<dt.Rows.Count;i++)
,!40\"A {
Z;<:=# dt.Rows["number"]=(i+1).ToString();
KKq%'y)u^ }
_\8jnpT: #;[0:jU0 DataGrid1.DataSource=dt;
h/Yxm2 DataGrid1.DataBind();
kRjNz~g uBK0+FLL@ DataGrid1中添加一个CheckBox,页面中添加一个全选框
]Twyj private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
[vY#9W"! {
]Cs=EZr foreach(DataGridItem thisitem in DataGrid1.Items)
WG&! VK {
9W0*|!tQ,+ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
dS8ydG2 }
g< xE}[gF }
{O:{F? PJ)l{c 将当前页面中DataGrid1显示的数据全部删除
b"aF-,M> foreach(DataGridItem thisitem in DataGrid1.Items)
hFo29oN {
g>@a if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
bg!(B<!X {
x6)qs- string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
H:|.e)$i Del (strloginid); //删除函数
k`;d_eW }
'?jsH+j+ }
tI@aRF=p]2 XzPOqZ`Nv 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
F$-f j "jC t.+)g-X 在Application_Start中添加以下代码:
#mU<]O Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
qm"SN<2S* AppSettings["ConnStr"].ToString();
;mYZ@g%e ^J&D)&"j 31. 变量.ToString()
:C>iV+B j C1fd@6 字符型转换 转为字符串
b}DC|?~M 12345.ToString("n"); //生成 12,345.00
*u-$$@|y 12345.ToString("C"); //生成 ¥12,345.00
h\p!J-V 12345.ToString("e"); //生成 1.234500e+004
E~#G_opQA 12345.ToString("f4"); //生成 12345.0000
dl"=ZI
'^ 12345.ToString("x"); //生成 3039 (16进制)
0hhxTOp
12345.ToString("p"); //生成 1,234,500.00%
Rc:}%a%e >|z:CX$] 32、变量.Substring(参数1,参数2);
tz8fZ*n 8k3y"239t 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);
Wsgp#W+ qw$9i.Z 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
064k;|>D <SCRIPT language="javascript">
c:e3hJ <!--
}`2a>N:
& function gook(pws)
Z;V(YK(WO. {
{_-T! yb frm.submit();
">G*hS }
P6Y+ u //-->
0@!huk ,p3]`MG </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
X4]miUmh <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
eAo+w*D( <tr>
m 94PFD@N <td>
Q=8YAiCu <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
OX 'V <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
Y6&v&dA; <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
'YB[4Q /0 PJ;WNo8 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
5+11J[~{ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
=^GPQ_" z\oTuW*B </td>
=}%#j0a4 "9r$*\wOf </tr>
nShXY6bA aoZ |@x </form>
m5iCvOP M 9-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。
:A
zll s aXQS0>G%( 下面是获取用户输入的登陆信息的代码:
.CnZMw{' string name;
;-8.~Sm name=Request.QueryString["EmailName"];
dVYY:1PS WKiP0~ try
S9Oz5_x {
z]r'8Jc int a=name.IndexOf("@",0,name.Length);
kmc_%Wm} f_user.Value=name.Substring(0,a);
u3#+fn_ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
<!g]q1 f_pass.Value=Request.QueryString["Psw"];
_qR?5;v }
YTFU#F Y~g\peG7 catch
jan}}7Dly {
41Z@_J|& Script.Alert("错误的邮箱!");
*ma
w`1 Server.Transfer("index.aspx");
5\# F5s} }