1. 打开新的窗口并传送参数:
,5 8-h?B0v 0Y`+L6&UX 传送参数:
|TJ gH<I response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
[?z;'O}y ['(qeS@5O 接收参数:
q4:zr
string a = Request.QueryString("id");
"4XjABJ4' string b = Request.QueryString("id1");
~&/Nl_# K%9!1' 2.为按钮添加对话框
=YM Button1.Attributes.Add("onclick","return confirm(’确认?’)");
;4+z~7Je]^ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
\1R*M Xk:x=4u& 3.删除表格选定记录
hj=n;,a9 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
covCa )kf string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
P'$2%P$8:~ %4VM"C4[ 4.删除表格记录警告
tli*3YIw private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
|QrVGm@2 {
!le#7Kii switch(e.Item.ItemType)
El}~3|a? {
]_ LAy case ListItemType.Item :
kb-XEJ}L case ListItemType.AlternatingItem :
; 180ct4 case ListItemType.EditItem:
=>*}qen TableCell myTableCell;
_bh$
t myTableCell = e.Item.Cells[14];
>>=zkPy LinkButton myDeleteButton ;
25G~rklk myDeleteButton = (LinkButton)myTableCell.Controls[0];
VU\G49 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
NX8w(~r,: break;
}T%E;m- default:
1%@i4 break;
gC6Gm':c }
yFo8x[ TGpdl`k\T }
=)#XZ[#F B"7~[,he 5.点击表格行链接另一页
uxW |&q private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
$y)tcVc {
%PVu>^ //点击表格打开
y] Q/(O if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
D$hK e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
0Dd8c\J }
s$^ 2Cuhv GWx?RIKF 双击表格连接到另一页
eT F s9$ H1evW 在itemDataBind事件中
_Wp,
z` if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Nj;(QhYZ {
m=`V string OrderItemID =e.item.cells[1].Text;
PtjAu ...
ubl
Y%{" e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
2%l(qfN9 }
p,4S?cr>a CyS.GdyP 双击表格打开新一页
AfW:'>2 if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
'mU\X!-
4< {
=+e;BYD#! string OrderItemID =e.item.cells[1].Text;
9dg+@FS}= ...
`=TJw,q e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
S{cK~sZj }
'pAq;2AA *XXa9z ★特别注意:【?id=】 处不能为 【?id =】
k%RQf0`T 6.表格超连接列传递参数
WAr6Dv,8 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
ohPXwp?] <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
voN, u>U NS4W!o;" 7.表格点击改变颜色
T.!.3B$@] if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
: 2L-Nf {
7r3EMX\#Qm e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
<l)I%1T_c this.style.color=’buttontext’;this.style.cursor=’default’;");
"jq F }
>+BLD Kn+B):OY+ 写在DataGrid的_ItemDataBound里
Xp^71A?> if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
btf]~YN {
9@(V!G e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
#1>c)_H this.style.color=’buttontext’;this.style.cursor=’default’;");
?cr^.LV|h^ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
7*&q"
}
_t7aOH -A8CW9|mk ~:A=o?V2 8.关于日期格式
4!+IsT jW|M)[KJN 日期格式设定
9&4z4@on DataFormatString="{0:yyyy-MM-dd}"
CJLfpvV j&?@:Zg v 我觉得应该在itembound事件中
0bIhP,4&
e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
grCz@i yzCamm4~0 9.获取错误信息并到指定页面
o
3 G* ;#2yF34gv 不要使用Response.Redirect,而应该使用Server.Transfer
ma2-66M~j _nW#Cl~ e.g
k5Df97\s // in global.asax
!_1RQ5]^ protected void Application_Error(Object sender, EventArgs e) {
vP&JL~ if (Server.GetLastError() is HttpUnhandledException)
d>Np; " Server.Transfer("MyErrorPage.aspx");
]+78
"( \R#OJ=F //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
cCy*?P@ }
!vSj1w XCZNvLG Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
/`B:F5r y}lqF8s 10.清空Cookie
8z"*CJ@ Cookie.Expires=[DateTime];
*+cW)klm Response.Cookies("UserName").Expires = 0
&14Er,K %,5_]bGvb
11.自定义异常处理
xCiq;FFR //自定义异常处理类
[lAZ)6E~= using System;
pj'[
H using System.Diagnostics;
v+`gQXJ"G .37Jrh0Iv namespace MyAppException
zC\L-i>G {
!.5,RIf /// <summary>
F| O /// 从系统异常类ApplicationException继承的应用程序异常处理类。
I.}E#f/A' /// 自动将异常内容记录到Windows NT/2000的应用程序日志
eN]9=Y~-K /// </summary>
w'D=K_h public class AppException:System.ApplicationException
dX~$#-Ad86 {
h>'Mh;+ public AppException()
6<C|O- {
_QOZ`st if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
]EPFyVt~3 }
nx'D&,VX kEM|;&=_ public AppException(string message)
uY|-: = {
*U^7MU0 LogEvent(message);
Wi{ jC?2Q }
r(cd?sL96R n[`FoY public AppException(string message,Exception innerException)
/q >1X!Z {
.qk_m-o LogEvent(message);
OuF%!~V if (innerException != null)
TW}nO|qw {
c'~6 1HA< LogEvent(innerException.Message);
UB1/0o }
Vq<\ixRi }
?Q%X,!~\: 0T7""^'& //日志记录类
BO)Q$*G~JD using System;
ify}xv using System.Configuration;
W~FM^xR?p using System.Diagnostics;
z#elwL6 using System.IO;
iqPMCOPZ using System.Text;
zU,Qph
,< using System.Threading;
V0!$k.Wk :NPnwX8w namespace MyEventLog
Rz9IjL.Z {
;/g Bjp]H /// <summary>
wm/=]*jpK /// 事件日志记录类,提供事件日志记录支持
h"DxgG /// <remarks>
`8D}\w<eI /// 定义了4个日志记录方法 (error, warning, info, trace)
&;Jg2f%. /// </remarks>
<^8&2wAkJ /// </summary>
s xp>9& public class ApplicationLog
U0X? ~ 1 {
9s'[p'[Z /// <summary>
fC$(l@O? /// 将错误信息记录到Win2000/NT事件日志中
ijR,% qg /// <param name="message">需要记录的文本信息</param>
aaODj> /// </summary>
V1Opp8 public static void WriteError(String message)
0B?t:XU , {
TmIw?#q^ WriteLog(TraceLevel.Error, message);
B)}.%G* }
`suEN@^ U}2b{ /// <summary>
&;]KntxB /// 将警告信息记录到Win2000/NT事件日志中
-'mTSJ.} /// <param name="message">需要记录的文本信息</param>
I8:A] /// </summary>
yvp$s public static void WriteWarning(String message)
RO+N>Wkt {
HJeZm WriteLog(TraceLevel.Warning, message);
Gm2q`ki }
w[X/|O /f0*NNSat- /// <summary>
~dc~<hK /// 将提示信息记录到Win2000/NT事件日志中
W2F *+M /// <param name="message">需要记录的文本信息</param>
R+y 9JE /// </summary>
)D"E] public static void WriteInfo(String message)
yO`HL'SMo {
B
LI
9(@ WriteLog(TraceLevel.Info, message);
C=>IJ'G }
[uD G;We= /// <summary>
:@8N${7`$A /// 将跟踪信息记录到Win2000/NT事件日志中
7)#8p@Q /// <param name="message">需要记录的文本信息</param>
K r DG /// </summary>
#%$U-ti public static void WriteTrace(String message)
kI|7o>}< {
/pS Y ~* WriteLog(TraceLevel.Verbose, message);
nA?Ks!9T }
EYD24 z[~ph/^ /// <summary>
gJC~$/2 /// 格式化记录到事件日志的文本信息格式
-L&%,% /// <param name="ex">需要格式化的异常对象</param>
3BzC'nplm /// <param name="catchInfo">异常信息标题字符串.</param>
vle`#c. /// <retvalue>
b>Em~NMu_ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
/_l$h_{DH /// </retvalue>
AkE(I16Uy~ /// </summary>
cA8A^Iv:0 public static String FormatException(Exception ex, String catchInfo)
6A23H7 {
C_ 4(-OWq StringBuilder strBuilder = new StringBuilder();
JULns#tx} if (catchInfo != String.Empty)
y8arFG {
y1c2(K>tu strBuilder.Append(catchInfo).Append("\r\n");
+l) [A{ }
#M~6A^) strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
a*(,ydF|L return strBuilder.ToString();
l}MVk%[ }
yJn<S@)VT: lzDA0MPI: /// <summary>
'`nf7b( /// 实际事件日志写入方法
VY|'7in"M /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
,\Uc/wR /// <param name="messageText">要记录的文本.</param>
ziTE*rNJ /// </summary>
[.j&~\AG private static void WriteLog(TraceLevel level, String messageText)
x=%wPVJ {
tEFbL~n try
> t~2 {
L }L"BY3$ EventLogEntryType LogEntryType;
T1[B*RwC switch (level)
O
!
iN {
<A`zK case TraceLevel.Error:
Mj5&vs~n; LogEntryType = EventLogEntryType.Error;
[wv;CUmgc break;
P4{!/&/ case TraceLevel.Warning:
)N'rYS'9 LogEntryType = EventLogEntryType.Warning;
VSLi{=# break;
k|D =Q case TraceLevel.Info:
&~{0@/ LogEntryType = EventLogEntryType.Information;
I:Q3r"1 break;
yYN _]&ag case TraceLevel.Verbose:
_k O<|ev LogEntryType = EventLogEntryType.SuccessAudit;
\;bDDTM break;
J-d>#'Wb| default:
*1c1XN<7 LogEntryType = EventLogEntryType.SuccessAudit;
/JbO $A break;
q)rxv7Iu\ }
]7DS>%mY( jWNF3\ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
KzWqHq //写入事件日志
M>g%wg7Ah eventLog.WriteEntry(messageText, LogEntryType);
i8|0zI ~A$y-Dt'
}
_y5J]Yu`j catch {} //忽略任何异常
^={s(B2 }
Xn= } //class ApplicationLog
+b_o2'' }
g?OC-zw ,LftQ1*; 12.Panel 横向滚动,纵向自动扩展
U]}f]GK <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
>#[,OU} N N SkIzaNY 13.回车转换成Tab
uG,*m'x'] <script language="javascript" for="document" event="onkeydown">
y1Op Z if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
_?rL7oTv event.keyCode=9;
9AP." RV </script>
He)vl. 9gQ
]!Oq onkeydown="if(event.keyCode==13) event.keyCode=9"
A(6n- zL Pe?=M[u2 14.DataGrid超级连接列
7;r Jr&.) DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
X]+z:! \9N
)71n( 15.DataGrid行随鼠标变色
ZWXA%u7V private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
}=$>w@mJ {
WlW7b.2. if (e.Item.ItemType!=ListItemType.Header)
%2,'x {
NnTAKd8 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
<:ptNGR e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
R?5v//[ }
`/RcE.5n\@ }
F~;UD<<"H ":W$$w< 16.模板列
%Fp1c K <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
, .]1N:
<ITEMTEMPLATE>
(,^jgv|I <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
T0v{qQ </ITEMTEMPLATE>
G7SmlFn? </ASP:TEMPLATECOLUMN>
eJ+@<+vr;x QA=mD^A <ASP:TEMPLATECOLUMN headertext="选中">
GD@|XwK){ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
|f{(MMlj <ITEMTEMPLATE>
T%O2=h\} E <ASP:CHECKBOX id="chkExport" runat="server" />
Bv{DZ?{s </ITEMTEMPLATE>
=.(~`ici~ <EDITITEMTEMPLATE>
&ieb6@RO`Q <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
" 3tk"#.# </EDITITEMTEMPLATE>
;Z!x\{-L </ASP:TEMPLATECOLUMN>
:R1F\FT* J. $U_k 后台代码
nxhn|v protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
^?R8>97_? {
8fWk C<f} //改变列的选定,实现全选或全不选。
'bn$"A"{o CheckBox chkExport ;
A Qm!7, if( CheckAll.Checked)
'n/L1Fn {
D]'/5]~z< foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
rcUJOI {
@FaK/lKK chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
k7)<3f3&S. chkExport.Checked = true;
7u<C&Z/ }
P-?R\(QYtR }
U0@Qc}y else
T7LO}(I.& {
{66P-4Ev( foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
OJT%?P%@{ {
}NY! z^ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
:rSCoi>K chkExport.Checked = false;
~%!"!Z4 }
75W@B}dZd }
WwF2Ry^a }
cI (} Wxa</n8S[n 17.数字格式化
Nq"J[l*+g -)9aY. 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
0mR^%+~ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
cP^c}e*;NS 9}$'q$0R] int i=123456;
4,.[B7irR string s=i.ToString("###,###.00");
c"oJcp e)f!2'LL 18.日期格式化
S<81r2LT @_H
L{q%h 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
qZYh^\ a\*_b2 ^n 显示为: 2004-8-11 19:44:28
(d*~Qpi{7 s(pNg?R 我只想要:2004-8-11 】
C`["4 <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
n+D93d9LP [!Zyp`: 应该如何改?
!`0
El',gY 9w.ZXd
【格式化日期】
/|p6NK;8L -Ra-Ux 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
/3j3'~0 s[Whg!2~ 【日期的验证表达式】
*]*0uo <2t%<<% A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
?)2; W ^((\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})))?$
$ Gs|Z$( cv"Bhql B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
JQDS3v=1$ ^\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]))$
&0RKNpwg .f9&.H# 【大小写转换】
j5!pS xOC HttpUtility.HtmlEncode(string);
=y0h\<[ HttpUtility.HtmlDecode(string)
M.``o1b K$c?:?wmo 19.如何设定全局变量
,:xses*7 ,SH^L|I Global.asax中
l,ic-Y1 @umn[J#* Application_Start()事件中
4P?R "Lk YQ`88z 添加Application[属性名] = xxx;
r<!/!}fE, zxC~a97` 就是你的全局变量
C&f{LpB` OZ4% 6/ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
`>u^Pm
oT i$@q HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
FJ2~SKWT bKQ_{cR 【ASPNETMENU】点击菜单项弹出新窗口
BHpj_LB-P r#B{j$Rw
在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
juEH$7N! <?xml version="1.0" encoding="GB2312"?>
C}]143a/Q <MenuData ImagesBaseURL="images/">
IgEVz^W?h <MenuGroup>
8=-#LVo~c <MenuItem Label="内参信息" URL="Infomation.aspx" >
" nLWvV1 <MenuGroup ID="BBC">
SI/3Dz[ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
E=]$nE]b <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
R=
.U bY ......
%afz{a5 )j}v3@EM5 最好将你的aspnetmenu升级到1.2版
-IS$1
!SThK8j$7 21.读取DataGrid控件TextBox值
$|VD+[jSV foreach(DataGrid dgi in yourDataGrid.Items)
/X;!
F> {
7ZFd;- TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
+,UuJ6[n tb.Text....
/ !aVv }
GpXU&A'r zU";\); 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?
:nS p
~j[mM E} 〖思归〗
/! M%9gu <asp:TemplateColumn HeaderText="数量">
uOJso2Mx <ItemTemplate>
i2?TMM!Fe <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
$fwj8S7$ onkeyup="javascript:DoCal()"
}[: i!t.m />
)<`/Aaie BHR(B]EI <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
e#^vA$d </ItemTemplate>
wUH:l </asp:TemplateColumn>
@6VkNe9 X4/3vY <asp:TemplateColumn HeaderText="单价">
Kza5_7p`L <ItemTemplate>
_uZVlu@ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
{cmV{ 4Yx onkeyup="javascript:DoCal()"
{4r } jH />
OQ+kOE& ;RS^^vDm <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
nQ;M@k&9eV ZmS
]4WM< </ItemTemplate>
bq z*90 </asp:TemplateColumn>
K
Vnz{cx` -;o0)DwZ <asp:TemplateColumn HeaderText="金额">
-932[+ <ItemTemplate>
; g\rY <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
{i)FDdDGD </ItemTemplate>
^t P|8k </asp:TemplateColumn><script language="javascript">
})C}'!+] function DoCal()
=~'y' K] {
}8Nr.gY var e = event.srcElement;
@+Anp4%;Y var row = e.parentNode.parentNode;
@!B%ynrG var txts = row.all.tags("INPUT");
h%] D[g if (!txts.length || txts.length < 3)
BrsBB"<o,
return;
g3c,x kaO Z@bKYfGM var q = txts[txts.length-3].value;
`86})xz{ var p = txts[txts.length-2].value;
wj\kx\+ \;0UP+ if (isNaN(q) || isNaN(p))
}T"&4Rvs2R return;
v\-7sgZR KA
elq* q = parseInt(q);
VujIKc#4 p = parseFloat(p);
m">2XGCn i)@H txts[txts.length-1].value = (q * p).toFixed(2);
`Gh#2U }
,p6o "- </script>
gt!tDu 7w?N-Q$y G],W{<Pe |t_SN,)dd Q\aC:68 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。
),I g u page_load
q}hHoSG]= page.smartNavigation=true
ADB,gap v|:TYpku3 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 ?
)odz/\9n3c private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
|\N))K-2D {
;&
zBNj for(int i=0;i<e.Item.Cells.Count-1;i++)
?;DzWCL~9 if(e.Item.ItemType==ListItemType.EditType)
hz rS_v {
l:j>d^V*&x e.Item.Cells.Attributes.Add("Width", "80px")
B1 xlWdm }
?'^yw C` }
U\6Ee-1#_ h-5] nL3 26.对话框
`A$zLqz)Vm private static string ScriptBegin = "<script language=\"JavaScript\">";
+,J!xy+~, private static string ScriptEnd = "</script>";
9%DLdc\z; *u!l"0'\ public static void ConfirmMessageBox(string PageTarget,string Content)
-Hg,:re2 {
gCM(h[7A string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
YRU#/TP _s+_M+@et ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
cfL:#IM b#Vm;6BHD1 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
$Fv|w9 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
2 P9{?Y //Response.Write(strScript);
9.Yn]O }
.> ^U
mM 9Qn*frdY, 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
vn ^* qwYq9A$+ 1.1 取当前年月日时分秒
=6[R,{|C currentTime=System.DateTime.Now;
]GXE2A_i; PGA
`R 1.2 取当前年
+g%Ah int 年= DateTime.Now.Year;
#fxdZm, i"#zb&~nF 1.3 取当前月
>H,PST int 月= DateTime.Now.Month;
(ljoD[kZ Q=#Wk$1. 1.4 取当前日
*zWf8X int 日= DateTime.Now.Day;
j4E`O%@^ #XeabcOQ 1.5 取当前时
x_#'6H\1ga int 时= DateTime.Now.Hour;
bOK0^$k 5/i]Jni 1.6 取当前分
.>@]Im int 分= DateTime.Now.Minute;
xi=Qxgx0I Env_??xq 1.7 取当前秒
i 8:^1rHp) int 秒= DateTime.Now.Second;
tFX!s;N[ WP4"$W 1.8 取当前毫秒
,pa=OF int 毫秒= DateTime.Now.Millisecond;
#A^(1 J;Eg"8x] 28.自定义分页代码:
sF1j4 NC Q&e*[l2M6 先定义变量 :
>0I\w$L public static int pageCount; //总页面数
:6W* ;<o public static int curPageIndex=1; //当前页面
>{#QS"J# zOMU&;.\
下一页:
nw if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
9~}.f1z {
6<9gVh<=w DataGrid1.CurrentPageIndex += 1;
r8Z}
mvLM curPageIndex+=1;
n hGh5, }
y-)5d 5Pd^Sew bind(); // DataGrid1数据绑定函数
#LfoG?k1K 3=IY0Q>/( 上一页:
J;Veza if(DataGrid1.CurrentPageIndex >0)
W4:#=.m {
!p(N
DQm DataGrid1.CurrentPageIndex += 1;
Ky)*6QOw curPageIndex-=1;
^zR*s |1Q }
{Zf 9}
!qF _yc&'Wq bind(); // DataGrid1数据绑定函数
B q7Qbj g UA_&_ 直接页面跳转:
[u7i)fn5? int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
W.TdhJW9 Kl w9 if(a<DataGrid1.PageCount)
-Ps kUl' {
Cm#[$T@C this.DataGrid1.CurrentPageIndex=a;
rIJd(= }
1IWP~G =yLJGNK[ bind();
Ypw:Vp jCL 1Bj 29.DataGrid使用:
)"f*Mp qp2&Z8S\D 添加删除确认:
pFwhvw private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
CF/8d6}Vf {
z460a[Wl foreach(DataGridItem di in this.DataGrid1.Items)
Mtq^6`JJ' {
2Z*^)ZQB if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
a
VIh|v {
6>F]Z)]} ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Io7o*::6iw }
iU?xw@WR }
v)rQ4
wD: }
5U<;6s \mDBOC0eK 样式交替:
BVv{:m{w ListItemType itemType = e.Item.ItemType;
YF<U'EVU- ~3qt<" if (itemType == ListItemType.Item )
sjwD x0(7= {
|Q*{yvfEo e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
|]j2T8_= e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
0R}F(tjw }
nBGcf(BE.$ else if( itemType == ListItemType.AlternatingItem)
R9O1#s^ {
Un\
T}
c e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
^_JByBD e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Ep1p>s^ }
[PL]!\NJ 8U7X/L
添加一个编号列:
qBqh>Wo DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
gR@,"6b3 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
yPVK>em5 +X!QH/ 8 for(int i=0;i<dt.Rows.Count;i++)
_Wgpk0 {
Bngvm9k3 dt.Rows["number"]=(i+1).ToString();
CL<m+dW%* }
]rc=oP; '+E\-X DataGrid1.DataSource=dt;
4'`y5E DataGrid1.DataBind();
Qi\"b )UAkg DataGrid1中添加一个CheckBox,页面中添加一个全选框
ZA'Qw2fF0 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
) (l=_[1Z5 {
~?uch8H foreach(DataGridItem thisitem in DataGrid1.Items)
qt4^e7o {
0M|Jvw'n| ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
)P
#MUC }
eWTbHF }
X"O^4MnvI Q7XlFjzcm 将当前页面中DataGrid1显示的数据全部删除
{V5eHn9/Q' foreach(DataGridItem thisitem in DataGrid1.Items)
<,I]=+A {
AMc`qh if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
y~;w`5;| {
8&UwnEk< string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
%2<u>=6byG Del (strloginid); //删除函数
SX@zDuM }
Y@Ti2bI`v }
B%/N{i*Z )9z3T>QW 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)
.|<+-Rsj _X]S`e1F 在Application_Start中添加以下代码:
|ZJ<N\\h- Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
?qR11A};tG AppSettings["ConnStr"].ToString();
'uU{.bq _e94 31. 变量.ToString()
41NVF_R6J %mMPALN]{ 字符型转换 转为字符串
= `oGH 12345.ToString("n"); //生成 12,345.00
<F<jx"/) 12345.ToString("C"); //生成 ¥12,345.00
%M
u$0~ct" 12345.ToString("e"); //生成 1.234500e+004
l|5;&(Y+s 12345.ToString("f4"); //生成 12345.0000
6>j0geFyE2 12345.ToString("x"); //生成 3039 (16进制)
to#N>VfD 12345.ToString("p"); //生成 1,234,500.00%
fE,Io3 0=V
-{ 32、变量.Substring(参数1,参数2);
-1c{Jo <^fvTb &* 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
+'!Y[7|9iv c`xgz#]v 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
R/?ZbMn]! <SCRIPT language="javascript">
d0D*S?#8,C <!--
":V,&o9n function gook(pws)
\2VYDBi?| {
y sFp` frm.submit();
[WW ~SOJe }
(I\qTfN4 //-->
QB L| n+ iuS*Vw </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
)T!3du:M <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
l&oc/$&|[ <tr>
}<qT[m <td>
NH0uK <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
~(K{D
D7[N <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
9jW"83*5 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
#0'%51Jcl #7|73&u( <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
raCgctYVq <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
D%!GY1wdn !FHm.E_> </td>
c!dc`R 0*XCAnJ^_ </tr>
<zt124y-6 $#/f+kble </form>
^s_7-p])( @t4OpU<'*b 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。
Ji7<UJ30x D'<'"kUd 下面是获取用户输入的登陆信息的代码:
V3c7F4\ string name;
yrQfPR name=Request.QueryString["EmailName"];
s0*@zn>h eq,`T; try
O8)N`#1>+ {
<Xl/U^B int a=name.IndexOf("@",0,name.Length);
qUKSo9 f_user.Value=name.Substring(0,a);
Q Zv}\C-c f_domain.Value=name.Substring(a+1,name.Length-(a+1));
/[+%<5s f_pass.Value=Request.QueryString["Psw"];
y{Vh?Z<E }
SmVL?wf B<oBo&uA catch
,WtJ&S7? {
`/JuItL- Script.Alert("错误的邮箱!");
+~f=L- > Server.Transfer("index.aspx");
-~v1@ }