1. 打开新的窗口并传送参数:
K_xOY
* $5o<Mj 传送参数:
sDC RL%0QK response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
?|/}~nj7 |q>Mw-= 接收参数:
r6)1Y`K=9 string a = Request.QueryString("id");
n"
~*9' string b = Request.QueryString("id1");
EpfmH ` S ] &->5" 2.为按钮添加对话框
K|/a]I": Button1.Attributes.Add("onclick","return confirm(’确认?’)");
+u2Co_FJ& button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
; n@C(hG h.^DRR^S 3.删除表格选定记录
O
o:jP6r int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
E.3}a>f string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
7AiCQWf9 [ bW=>M 4.删除表格记录警告
3{z|301<m private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
r?TK@^z {
K6U>Qums switch(e.Item.ItemType)
{Vm36/a {
mI0r,Z*+M case ListItemType.Item :
MD)"r>k case ListItemType.AlternatingItem :
8GP}g?% case ListItemType.EditItem:
(
A) wcB TableCell myTableCell;
*J=ol myTableCell = e.Item.Cells[14];
l.juys8s LinkButton myDeleteButton ;
85
hYYB0v myDeleteButton = (LinkButton)myTableCell.Controls[0];
"m3Y))a myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
r;C\eN break;
B@=<'/S\7 default:
AIyv;}5 break;
Kd)m"9Cc }
ss<'g@R abnd U,s }
#77UKYj2L- U VKN#"_{ 5.点击表格行链接另一页
m+UdT854 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Q(6(Scp{ {
D2p6&HNT //点击表格打开
u2<h<}Y if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
a:}"\>Aj e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
)'~FDw\6 }
~'MWtDe:Z8 .B13)$C 双击表格连接到另一页
G#:!wI r\d:fot 在itemDataBind事件中
clw91yrQn if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
'qJ-eQ7e {
02[II_< 1 string OrderItemID =e.item.cells[1].Text;
xW =$j| ...
5KR|p Fq e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
6hK"k }
+df?N
e 63|Z[8 双击表格打开新一页
hhGpB$A if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
%b;+/s2W {
%#9 ~V string OrderItemID =e.item.cells[1].Text;
YkPt*?,P/ ...
0Q >|s_ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
E+zn\v }
1,QZnF!.x 29^bMau)v ★特别注意:【?id=】 处不能为 【?id =】
3L?a4,Q"k} 6.表格超连接列传递参数
b<AE}UK <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Ba0D"2CgY <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
yXx62J PEEY;x 7.表格点击改变颜色
bOMP8{H, if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
"S`wwl {
ZPao*2xz e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
_KVB~loT this.style.color=’buttontext’;this.style.cursor=’default’;");
I;-5]/, }
#ya|{K .~L4#V{c~ 写在DataGrid的_ItemDataBound里
rVy\,#| if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
%E"/]!}3 {
!h>$bm e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
PV6*-[ this.style.color=’buttontext’;this.style.cursor=’default’;");
0t?<6-3`/ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
K=TW}ZO }
i%PHYSJ. O^weUpe\ dY@Tt&k8E 8.关于日期格式
}]+}Tipd >5O y^u6Ly 日期格式设定
$Wzv$4; DataFormatString="{0:yyyy-MM-dd}"
r/sRXM:3cZ Ko|xEz= 我觉得应该在itembound事件中
E)wT+\ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
zl
0^EltiU ;n{j,HB 9.获取错误信息并到指定页面
dG>Wu o 8/?uU]#Q 不要使用Response.Redirect,而应该使用Server.Transfer
Q
EGanpz `OReSg
2 e.g
H0 n@kKr // in global.asax
8sF0]J[g{ protected void Application_Error(Object sender, EventArgs e) {
;To+,`?E;q if (Server.GetLastError() is HttpUnhandledException)
@-@rG>y^: Server.Transfer("MyErrorPage.aspx");
w^E]N Z?v6pjZ? //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
a 8hv .43 }
;:\,x 3KFrVhB= Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
il cy/ 1qKxg 10.清空Cookie
k>;r9^D Cookie.Expires=[DateTime];
I u~aTgHX% Response.Cookies("UserName").Expires = 0
Doc'7P f9XO9N,hE: 11.自定义异常处理
:G=1$gb //自定义异常处理类
rn[}{1I33Q using System;
VE"0VB. using System.Diagnostics;
&R FM
d= oy2dA namespace MyAppException
\]#;!6ge {
ySK Yqt z /// <summary>
\3(|c#c /// 从系统异常类ApplicationException继承的应用程序异常处理类。
UH,4b`b /// 自动将异常内容记录到Windows NT/2000的应用程序日志
+fCyR /// </summary>
!na0 Y public class AppException:System.ApplicationException
hOL y*% {
2X;0z$ public AppException()
y#Za|nt {
&T/q0bwd if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
^_S-s\DW }
K6yFpVl UNcJ= public AppException(string message)
,iv%^C",) {
{S" LogEvent(message);
2\CkX }
]G
o~]7(5| l)rvh#D public AppException(string message,Exception innerException)
awSS..g}L {
@uM3iO7& LogEvent(message);
k#:@fH4{PA if (innerException != null)
vl{_M*w
; {
m57tOX LogEvent(innerException.Message);
OG?j6qhpl }
tqwk?[y}+l }
];{l$-$$ O$umu_ //日志记录类
v6DxxE2n using System;
)"c]FI[} using System.Configuration;
k5%0wHpk = using System.Diagnostics;
MV;Y?%> using System.IO;
UFIAgNKl using System.Text;
D7_Hu'y<o using System.Threading;
Jn@Mbl cM<hG:4%wX namespace MyEventLog
0@e}hv; {
{Fp`l\, /// <summary>
vz#wP /// 事件日志记录类,提供事件日志记录支持
}!yD^:[5 /// <remarks>
0O['-x /// 定义了4个日志记录方法 (error, warning, info, trace)
#nf%ojh /// </remarks>
fF9oYOh| /// </summary>
>gZk
581/ public class ApplicationLog
bHQKRV {
)<x;ra^ /// <summary>
X?v^>mA /// 将错误信息记录到Win2000/NT事件日志中
N4` 9TN7 /// <param name="message">需要记录的文本信息</param>
&(uF&-PwO4 /// </summary>
o )nT public static void WriteError(String message)
!Nxn[^[?. {
@F(3*5c_Y WriteLog(TraceLevel.Error, message);
Z/6'kE{l }
k.=S+#"} 2c>H(t h= /// <summary>
Q!2iOvK /// 将警告信息记录到Win2000/NT事件日志中
Puth8$ /// <param name="message">需要记录的文本信息</param>
jQ_|z@OV /// </summary>
WP%{{zR$ public static void WriteWarning(String message)
fBWJ%W {
T?]kF- WriteLog(TraceLevel.Warning, message);
]dGr1ncu }
l`M5'r]l vA"`0 /// <summary>
gSv[4,hXd /// 将提示信息记录到Win2000/NT事件日志中
`3sy>GU? /// <param name="message">需要记录的文本信息</param>
5fj /// </summary>
e1 {t0f public static void WriteInfo(String message)
2*-ENW2 {
p'%: M WriteLog(TraceLevel.Info, message);
vzohq1r5 }
&`
00/p /// <summary>
kuTq8p2E /// 将跟踪信息记录到Win2000/NT事件日志中
Oj4u!SY\j /// <param name="message">需要记录的文本信息</param>
?LV-W /// </summary>
_/N'I7g public static void WriteTrace(String message)
LpiHoavv {
7$1fy0f[l WriteLog(TraceLevel.Verbose, message);
#E$Z[G] }
a$xeiy9 iKF$J3a\2f /// <summary>
dY4k9p8 /// 格式化记录到事件日志的文本信息格式
iBtjd`V* /// <param name="ex">需要格式化的异常对象</param>
[`hE^chd /// <param name="catchInfo">异常信息标题字符串.</param>
>TlW]st /// <retvalue>
bQ^DX `o6P /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
q2S!m6 ! /// </retvalue>
/.| A /// </summary>
[yYH>~SuwZ public static String FormatException(Exception ex, String catchInfo)
cz7CrK~5 {
m<FWv2)^ StringBuilder strBuilder = new StringBuilder();
)O2Nlk~l& if (catchInfo != String.Empty)
c9*1$~(v0I {
?x5wS$^q< strBuilder.Append(catchInfo).Append("\r\n");
XoKO2<3 }
)DGz`-> strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
, N@Yk. return strBuilder.ToString();
x!"SD3r=4> }
Bg 7j5 E VN-<=i^ /// <summary>
j]!7B HC /// 实际事件日志写入方法
tL={ y* /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
'#,e
@v /// <param name="messageText">要记录的文本.</param>
B0b[p*gIl /// </summary>
_4.]A3;} private static void WriteLog(TraceLevel level, String messageText)
>op:0on]} {
c|\ZRBdI try
WNn[L=f {
#hD}S~ EventLogEntryType LogEntryType;
LC,*H0 switch (level)
V9fGVDl; {
;0w ^ud case TraceLevel.Error:
<fC@KY># LogEntryType = EventLogEntryType.Error;
S'
(cqO}=F break;
@)W(q5)}9" case TraceLevel.Warning:
FGDGWcRw~ LogEntryType = EventLogEntryType.Warning;
(B_7\}v|_ break;
jb|mip@`
< case TraceLevel.Info:
|+Hp+9J LogEntryType = EventLogEntryType.Information;
~Ho{p Oq break;
%Ycx C0S[ case TraceLevel.Verbose:
kf%&d}2to LogEntryType = EventLogEntryType.SuccessAudit;
"*++55 break;
.N~PHyXZR default:
.>mH]/]m LogEntryType = EventLogEntryType.SuccessAudit;
KA 5~">l break;
AW,v }
v`#j ia%z+:G EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
gk!E$NyE //写入事件日志
v229H< eventLog.WriteEntry(messageText, LogEntryType);
_ztZ>' ,op]-CY5 }
]{f^;y8 catch {} //忽略任何异常
==QWwPpA }
hpbwZ } //class ApplicationLog
YCa@R!M*O }
*4<4 7d&DrI@~ 12.Panel 横向滚动,纵向自动扩展
%
v;e <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
d]tv'|E13 _iG2J&1'L 13.回车转换成Tab
tigT@!`$Y <script language="javascript" for="document" event="onkeydown">
J>rka]* if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
/y}"M event.keyCode=9;
"+=Pp </script>
L'zE<3O'3 uije#cj#O onkeydown="if(event.keyCode==13) event.keyCode=9"
,:D=gQ@` a}:A, t<6 14.DataGrid超级连接列
v8ba~ DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
D
Irgq|8 KcC!N{ 15.DataGrid行随鼠标变色
R/^@cA private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2t+D8 d|c< {
>_XOc if (e.Item.ItemType!=ListItemType.Header)
~9Zh,p; {
+7,8w e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
6cJ<9i
& e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
ev9;Ld }
`E@kFJ(<On }
Pm4e8b k`Nyi)AGe 16.模板列
*HR+a#o <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
)2xE z <ITEMTEMPLATE>
GL1'Zo <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
^YGTh0$W </ITEMTEMPLATE>
8{dEpV* </ASP:TEMPLATECOLUMN>
eP "`,< MDJc[am <ASP:TEMPLATECOLUMN headertext="选中">
|^R*4;Phe <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
\K;op2 <ITEMTEMPLATE>
089 k.WG <ASP:CHECKBOX id="chkExport" runat="server" />
-"=)z/S </ITEMTEMPLATE>
(S`6Q <EDITITEMTEMPLATE>
zDD4m`2 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
aX;A==> </EDITITEMTEMPLATE>
x?#I4RJH; </ASP:TEMPLATECOLUMN>
U&X2cR &a YutQ ]zYA. 后台代码
SxJ$b protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
l3. {
]4`t\YaT //改变列的选定,实现全选或全不选。
;B~P>n}}_] CheckBox chkExport ;
mzX;s&N# if( CheckAll.Checked)
'BY-OA#xJ {
?~J i-{#X foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
s=Df ` {
}Dn^d}?s|| chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
HTV ~ ?E chkExport.Checked = true;
H3, ut }
iK#/w1` }
`\bT'~P else
~2@Lx3t$ {
(9 sIA*,} foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
jNA1O68N {
|~WYEh chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
{^#2=`:)O chkExport.Checked = false;
?c]n^GvG }
Q$~n/ }
[:iv4>ZZ }
3GF2eS$$P &SH1q_&BQ 17.数字格式化
`
J]xP$) 5{d\uE%'p 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
"X04mQn15 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
8Hi!kc;f6> ^rL_C}YBj- int i=123456;
/)EY2Y' string s=i.ToString("###,###.00");
EF#QH
_X 87V1#U ^ 18.日期格式化
UL(
lf}M =>|C~@C? 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
PFM'&;V } XR:2 显示为: 2004-8-11 19:44:28
.m;G$X|3U pXu/(&? 我只想要:2004-8-11 】
2#vv$YD <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
=wG+Ao <P_ea/5:| 应该如何改?
~=En+J}* bl;zR 【格式化日期】
O/Rhf[7v* Md,pDWb 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
}^-<k0A4? 4nqoZk^R 【日期的验证表达式】
\,&9 ~6aCfbu%V A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
D)Q)NI ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
-r<#rITH" ;
A,#;%j B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
;@3FF ^\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]))$
+9XQ[57 F%d\~Vj 【大小写转换】
w%y\dIeI' HttpUtility.HtmlEncode(string);
WG7k(Sp] HttpUtility.HtmlDecode(string)
J=W0Xi! \.uc06 19.如何设定全局变量
HYK!}& @+LfQY Global.asax中
yX!HZu;j ({^9<Us Application_Start()事件中
8RW&r ?GA&f2]a 添加Application[属性名] = xxx;
)$Mmn (ljF{)Ml+= 就是你的全局变量
O#a6+W"U C?4JXW 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
hm*cw[#O1x -r7]S HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
n5-)/R[z \2 y5_;O 【ASPNETMENU】点击菜单项弹出新窗口
. @q-B+Eg :1ecx$ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
A3N]8?D <?xml version="1.0" encoding="GB2312"?>
v``-F(i$ <MenuData ImagesBaseURL="images/">
}n_p$g[Nj/ <MenuGroup>
x%+{VStA <MenuItem Label="内参信息" URL="Infomation.aspx" >
I<td1Y1q <MenuGroup ID="BBC">
wXMDh$ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
}@1q@xU <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
iIT8H\e
......
(>4aibA'P $?G"GQ!. 最好将你的aspnetmenu升级到1.2版
6qWdd&1 Uxfl_@lJ 21.读取DataGrid控件TextBox值
'ly?P8h foreach(DataGrid dgi in yourDataGrid.Items)
im7nJQ^H$q {
}v9\F-0>Q TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
7;@ST`cC tb.Text....
DZ7
gcC }
}?F`t[+ $
,SF@BhO 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?
{GDmVWG0q ~\)qi= 〖思归〗
le +R16Z <asp:TemplateColumn HeaderText="数量">
FWue;pw3 <ItemTemplate>
).` S/F <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
D\w h;r onkeyup="javascript:DoCal()"
&6 s) X />
*L6PLe uwf
5!Z:> <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
Hs?e0Z=N </ItemTemplate>
E!BPE> </asp:TemplateColumn>
{>LIMG-f Pg9hW <asp:TemplateColumn HeaderText="单价">
t^]$!H <ItemTemplate>
fkSO( C) <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
7cAXd#sI onkeyup="javascript:DoCal()"
E:zF/$tG />
-K,-h[o ]<(]u#g_d <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Y2B&go \^( 0B8|w </ItemTemplate>
9a\nszwa </asp:TemplateColumn>
JO=[YoTr |(moWY= <asp:TemplateColumn HeaderText="金额">
IK,|5] *Ar <ItemTemplate>
D|Iur W1f <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
%75xr9yOP </ItemTemplate>
21s4MagC </asp:TemplateColumn><script language="javascript">
Q9}dHIe1E function DoCal()
DRqZ,[!+ {
o1&:ry var e = event.srcElement;
-<jL~][S var row = e.parentNode.parentNode;
Fhv/[j^X var txts = row.all.tags("INPUT");
g %K> if (!txts.length || txts.length < 3)
[7(-T?_ return;
O }9KJU }$MN|s var q = txts[txts.length-3].value;
lis/`B\x var p = txts[txts.length-2].value;
*
tCS JN^&S if (isNaN(q) || isNaN(p))
SN4Q))dAU return;
`%+ mO88o (feTk72XX q = parseInt(q);
'r(1Nj p = parseFloat(p);
-a*K$rnB [I4ege> txts[txts.length-1].value = (q * p).toFixed(2);
{G <kA(Lm }
syU9O&< </script>
y/e2l Rqwzh@} ,q(&)L$S bjAnaya #r
PP* 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
7+x? "4 page_load
]9}HEu;1M page.smartNavigation=true
tm7u^9] NmMIQ@K 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
;8!Z5H private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
%uv?we7 {
*[=bR> for(int i=0;i<e.Item.Cells.Count-1;i++)
"V{yi!D{< if(e.Item.ItemType==ListItemType.EditType)
G:x*BH+ {
e><5Pr) e.Item.Cells.Attributes.Add("Width", "80px")
#:T-hRu }
^(viM?* }
~Lc066bLeq cA6lge<{~ 26.对话框
XeBP`\>Ve private static string ScriptBegin = "<script language=\"JavaScript\">";
x0d~i!d private static string ScriptEnd = "</script>";
9qS"uj ]|<w\\^A public static void ConfirmMessageBox(string PageTarget,string Content)
Y(.OF
Q {
6<K6Y5<6 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
(KvROV); &uC@|dbC5 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
@( n^T Ltjbxw"Qd Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
`jS T ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
D&HV6# //Response.Write(strScript);
oD}uOC}FS{ }
E( us'9c vkLC-Mzm< 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
m Sk5u 7 lO2[JP 1.1 取当前年月日时分秒
E^U0f/5
m currentTime=System.DateTime.Now;
sB69R:U; y4+;z2'> 1.2 取当前年
RpLE
02U int 年= DateTime.Now.Year;
|yo\R{&6 V.wqZ {G 1.3 取当前月
64:fs?H int 月= DateTime.Now.Month;
mo~*C p }[zt#v 1.4 取当前日
=_YG#yS int 日= DateTime.Now.Day;
0ZQ' _g|%
ccd8O{G.M 1.5 取当前时
[pVamE int 时= DateTime.Now.Hour;
/c):}PJ^#7 4Jx"A\5*G 1.6 取当前分
PqM1aoyX int 分= DateTime.Now.Minute;
)}9rwZ 9W5onn 1.7 取当前秒
t43)F9! int 秒= DateTime.Now.Second;
<3,<\ub b,8{ X< 1.8 取当前毫秒
qC'{;ko int 毫秒= DateTime.Now.Millisecond;
_HhbIU 2Pc%fuC 28.自定义分页代码:
.$@R{>%U 86
W0rS[5 先定义变量 :
E c s,$\ public static int pageCount; //总页面数
kA7mLrON public static int curPageIndex=1; //当前页面
IKie1!ZU{" cyJG8f 下一页:
bTQNb!& if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Ytgj|@jsp {
aZbw]0q@o DataGrid1.CurrentPageIndex += 1;
[
Bl c^C{f curPageIndex+=1;
}B~If}7 }
svXR<7)# /PsnD_s]5 bind(); // DataGrid1数据绑定函数
}jill+] +VQ\mA59 上一页:
^_lzZOhG if(DataGrid1.CurrentPageIndex >0)
|F#1C9]P {
8b0d]*q DataGrid1.CurrentPageIndex += 1;
S;]*) i,v curPageIndex-=1;
| [>UH }
S8e{K ^U]UqX` bind(); // DataGrid1数据绑定函数
SM@QUAXO 2k<;R': 直接页面跳转:
fA89|NTSUh int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
|r bWYl.b {/pm<k= if(a<DataGrid1.PageCount)
;NRF=d> {
d|4}obCt this.DataGrid1.CurrentPageIndex=a;
`O'`eY1f }
3MRc4UlB |g*XK6 bind();
T9s2bC.z55 @gG<le6 29.DataGrid使用:
ES40?o*]x w|Nz_3tI 添加删除确认:
\(%Y%?dy private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
'? jlH0; {
jMpD+Mb foreach(DataGridItem di in this.DataGrid1.Items)
0>zbCubPH {
VsA'de!V4[ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
WVLHfkN {
1IVuSp`{FU ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
@}kv-* }
xCtmXo }
E}ZJ)V7 }
A2|Ud_ )Y)pmjZaG 样式交替:
xpOg8u5 ListItemType itemType = e.Item.ItemType;
3N_"rNKD Bm]8m=p if (itemType == ListItemType.Item )
wg w(YU {
'R_g">B. e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
4Fm90O e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
NB<A>baL* }
2+X\}s1vN else if( itemType == ListItemType.AlternatingItem)
*E{2J:` {
\_B[{e7z e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
t#2(j1 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Qca&E`~Q }
7NJhRz`_ R+CM`4CD 添加一个编号列:
O|w J) DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
KIWe@e DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
%dY<=x#b xNbPsoK for(int i=0;i<dt.Rows.Count;i++)
yiO.z {
F8apH{&t dt.Rows["number"]=(i+1).ToString();
50={%R }
%plo=RF <n#DT DataGrid1.DataSource=dt;
*BR ^U$,e DataGrid1.DataBind();
]KmO$4 "&3h2(#% DataGrid1中添加一个CheckBox,页面中添加一个全选框
~
yX2\i" private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
KGg3 !jY {
e;(0(rI foreach(DataGridItem thisitem in DataGrid1.Items)
w4gg@aO {
Jkek-m ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
7a~X:# }
cb}[S:&| }
k5T,990 6H7],aMg$A 将当前页面中DataGrid1显示的数据全部删除
,I,\ml
foreach(DataGridItem thisitem in DataGrid1.Items)
iTQD {
}+sT4'Ah> if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
y`=]T>X&x {
k`N^Vdr string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
?F3h)(} Del (strloginid); //删除函数
pfI"36]F }
-(=eM3o-9m }
}B1!gz$YNO 1.6:# 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)
{lc\,F* $ 2=^m9% 在Application_Start中添加以下代码:
J_4!2v!6e Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
r%+V8o AppSettings["ConnStr"].ToString();
5bgs*.s v%iflCK 31. 变量.ToString()
:n-]>Q>5=k Uw7h=UQh 字符型转换 转为字符串
~
(jKz}'~U 12345.ToString("n"); //生成 12,345.00
MpR2]k#n< 12345.ToString("C"); //生成 ¥12,345.00
%xyou:~0zs 12345.ToString("e"); //生成 1.234500e+004
K9up:.{QQ 12345.ToString("f4"); //生成 12345.0000
Qr{E[6 12345.ToString("x"); //生成 3039 (16进制)
@nCd 12345.ToString("p"); //生成 1,234,500.00%
+csi[c)3E #%h-[/ 32、变量.Substring(参数1,参数2);
h3xAJ! *vwbgJG! * 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);
73\JwOn~ &eX!#nQ_. 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)
|Ur"&
Z{ <SCRIPT language="javascript">
{fjdr <!--
XY3v_5~/1F function gook(pws)
ZNvEW {
"9Q40w\ frm.submit();
]%u@TK7 }
K42K!8$ //-->
mrF58Uq;A XMu9 Uk{| </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
LHo3
Niy. <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
:BV6y|J9O^ <tr>
B e0ND2oo <td>
_dhgAx-H)h <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
#;2n;.a <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
8p:e##% <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
CmoE_8U> v: OR <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
/^#;d
UB <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
{C N~S*m 4?q<e*W </td>
>]vlkA( 2OVRf0.R~ </tr>
waj0"u^# =E#%'/ A;c </form>
2KYw}j|5 S(*sw
0O@+ 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。
+Z!)^j .Z
`av n 下面是获取用户输入的登陆信息的代码:
hRD=Y<>A string name;
U!*M*s name=Request.QueryString["EmailName"];
_)>_{Pm U"^kH| try
,N]H dR {
\=ux atw int a=name.IndexOf("@",0,name.Length);
(G;lx f_user.Value=name.Substring(0,a);
=k^Y?. f_domain.Value=name.Substring(a+1,name.Length-(a+1));
po2! f_pass.Value=Request.QueryString["Psw"];
%D%8^Zd_ }
a C\MJ9 OX?\<), catch
zGkS^Z=( {
|8l<$J Script.Alert("错误的邮箱!");
@v)p<r^M"> Server.Transfer("index.aspx");
:2rZcoNb. }