1. 打开新的窗口并传送参数:
o~es>; &\!-d%||) 传送参数:
Kau*e8 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
hh: )"<[ WxO*{`T! 接收参数:
]
mP-HFl string a = Request.QueryString("id");
Q&M(wnl5 string b = Request.QueryString("id1");
/0SPRf}p |U7{!yy%MF 2.为按钮添加对话框
y=
Button1.Attributes.Add("onclick","return confirm(’确认?’)");
&Lq @af# button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
O]{H2&k@ X8;03EW; 3.删除表格选定记录
unD8h=Z2 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
o/=K:5 string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
$I1p"6 \?qXscq 4.删除表格记录警告
_}JygOew private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
rRC3^X`u {
X]y 3~|K switch(e.Item.ItemType)
rM>&!?y+ {
@X\nY</E#M case ListItemType.Item :
cJE2z2uW0 case ListItemType.AlternatingItem :
#"7:NR^H^ case ListItemType.EditItem:
C:
e}}8i TableCell myTableCell;
xn}'!S2-b myTableCell = e.Item.Cells[14];
CB?.|)Xam LinkButton myDeleteButton ;
~@got myDeleteButton = (LinkButton)myTableCell.Controls[0];
W"!nf myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
D4o? break;
K= 06I default:
U35}0NT _ break;
wu
3uu1J }
V TEyqo2 ,LzS"lmmo }
|h6@hB\ Zjo9c{\ 5.点击表格行链接另一页
Jw
{:1 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
@ZX{q~g! {
VK`b'U&l" //点击表格打开
2ix_,yTO if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Yq5}r?N e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
sV[|op }
1N#TL"lMS d5zzQ]|L 双击表格连接到另一页
w_|WberU iZ_R
oJ 在itemDataBind事件中
7 ic]q, if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4&t6 {
K90Zf string OrderItemID =e.item.cells[1].Text;
oM MU5sm ...
m41n5T` e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
""WZpaw }
}^LcKV &+sO"j4<?r 双击表格打开新一页
@)}Vk if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2'pxA: {
0s<o5`v string OrderItemID =e.item.cells[1].Text;
RKBjrSZg8 ...
7Uj[0Awn e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
j j$'DZk }
x$s #';* 03rZz1 ★特别注意:【?id=】 处不能为 【?id =】
Y1
-cz: 6.表格超连接列传递参数
qw_qGgbl <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
_n{N3da <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
j83p[qR7o G_AAE#r` 7.表格点击改变颜色
possM'vC if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
5'z&kl0"S {
t-E'foYfr` e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
gXH89n this.style.color=’buttontext’;this.style.cursor=’default’;");
DI$zyj~3 }
X.272q<. qt;6CzL
C 写在DataGrid的_ItemDataBound里
H_*]Vg if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
7rhpIP2n {
I=3q#^}[ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
EO|
kiC this.style.color=’buttontext’;this.style.cursor=’default’;");
`_v-Y`Z e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
S?8q.59 }
H!45w;,I ~$Mp >ZB2W 0kCUz 8.关于日期格式
@cjhri|vH :Z< 5iLq 日期格式设定
xaeY^"L DataFormatString="{0:yyyy-MM-dd}"
nh E!Pk \XB71DUF 我觉得应该在itembound事件中
::M/s#-@ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
zBjqYqZ<+ ~Q]B}qdm 9.获取错误信息并到指定页面
-rH3rKtf~ p>!r[v' 不要使用Response.Redirect,而应该使用Server.Transfer
a.]
! Z;n}*^U e.g
O-&n5 // in global.asax
pP".?|n protected void Application_Error(Object sender, EventArgs e) {
`*N0 Lbl] if (Server.GetLastError() is HttpUnhandledException)
m,.d< ** Server.Transfer("MyErrorPage.aspx");
'2.F-~ :+R||qi //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Ws1<Jt3/." }
W)9KYI9u :'rXu6c- Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
n%?g+@y,^ c/x(v=LW 10.清空Cookie
}%jb/@~ Cookie.Expires=[DateTime];
Stp?? Response.Cookies("UserName").Expires = 0
atN`w=6A` Nq9(O#} 11.自定义异常处理
N[42al //自定义异常处理类
-}N{'S,Bp using System;
HV?awc using System.Diagnostics;
1DLQZq H$[--_dI{ namespace MyAppException
WrD20Q$9Q {
,-{j. /// <summary>
u_Q3v9 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
>2v_fw /// 自动将异常内容记录到Windows NT/2000的应用程序日志
[I^SKvM /// </summary>
I &m~ cBj< public class AppException:System.ApplicationException
a}Ov@7 {
WQ*$y3% public AppException()
0`S!+d {
=1esUO[nx if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
"1[N;|xa }
ga,yFw +HfjnEbtBs public AppException(string message)
aG"UV\ {
m|-O/6~ LogEvent(message);
Kt^PL&A2 }
Z,d/FC#y( ->j9(76 " public AppException(string message,Exception innerException)
Lv_6Mf( {
8XY4 LogEvent(message);
Q%
dpGI if (innerException != null)
(Bmjz*%M {
)v|a:'%K_ LogEvent(innerException.Message);
De^is^{ }
#~#_)\l'F }
Cw+ (,1 4bJ3uIP# //日志记录类
$h$+EE! using System;
(te\!$ using System.Configuration;
%WO;WxG8^ using System.Diagnostics;
=LT( {8 using System.IO;
F*NIs:3; using System.Text;
A2+t`[w using System.Threading;
d?S<h`{x 7C 4Njei" namespace MyEventLog
Np=*B_ @8 {
%`}Qkb/Lyh /// <summary>
wIY#TBu /// 事件日志记录类,提供事件日志记录支持
!W3Le$aL /// <remarks>
oF*Y$OEu?c /// 定义了4个日志记录方法 (error, warning, info, trace)
fqr}tvMr=T /// </remarks>
cw^FOV*
/// </summary>
Et- .[ public class ApplicationLog
HQE#O4 {
(Ux%7H_d /// <summary>
$ &^
,(z9 /// 将错误信息记录到Win2000/NT事件日志中
"jpjBH:c$ /// <param name="message">需要记录的文本信息</param>
lRO8}XSI /// </summary>
i>rn!?b public static void WriteError(String message)
"~+K`*0r8 {
~\oJrRYR` WriteLog(TraceLevel.Error, message);
t /47lYN) }
A2vOI8 IBuuZ.=j2h /// <summary>
Q2NS> [ /// 将警告信息记录到Win2000/NT事件日志中
i/$lOde /// <param name="message">需要记录的文本信息</param>
.Ftml' ! /// </summary>
A] F K\ public static void WriteWarning(String message)
2dq{n.cgs {
d+IPa<N WriteLog(TraceLevel.Warning, message);
l s_i)X }
+g.WO5A <<`."RY#0 /// <summary>
\{&55>
/// 将提示信息记录到Win2000/NT事件日志中
<e=0J8V8,i /// <param name="message">需要记录的文本信息</param>
d3![b 1 /// </summary>
C )PN public static void WriteInfo(String message)
6#K_Rg>. {
.:;i* WriteLog(TraceLevel.Info, message);
kt S0 }
x/Ds`\ /// <summary>
U .rH,` /// 将跟踪信息记录到Win2000/NT事件日志中
bX9}G#+U /// <param name="message">需要记录的文本信息</param>
K crF=cA /// </summary>
J]~3{Mi public static void WriteTrace(String message)
7;_5[_ {
Y Jv{Z^;M WriteLog(TraceLevel.Verbose, message);
I%(+tJ }
QK@z##U zMG4oRPP /// <summary>
"90}H0(+ /// 格式化记录到事件日志的文本信息格式
r!zNcN(%cs /// <param name="ex">需要格式化的异常对象</param>
.58AXg /// <param name="catchInfo">异常信息标题字符串.</param>
#
I<G:) /// <retvalue>
7'o?'He-.2 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
yrIT4y /// </retvalue>
95+}NJ;r /// </summary>
#?-W. public static String FormatException(Exception ex, String catchInfo)
#F9$"L1Hg {
*&U9npN StringBuilder strBuilder = new StringBuilder();
T0SD|' if (catchInfo != String.Empty)
Z$pR_dazU {
/R,/hiKx\ strBuilder.Append(catchInfo).Append("\r\n");
x##Iv|$ }
ce;9UBkOg2 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
`"bm Hs7 return strBuilder.ToString();
ogPfz/ hw }
oZ=e/\[K G>!"XK:fB /// <summary>
J:Qp(s-N^: /// 实际事件日志写入方法
7f(UbO@BD /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
%]
Bb;0G /// <param name="messageText">要记录的文本.</param>
i|=XW6J% /// </summary>
Z>{8FzP.F private static void WriteLog(TraceLevel level, String messageText)
cg$~.ytPK {
C{'c_wX try
!^N/n5eoz {
!#X^nlc EventLogEntryType LogEntryType;
F6 UOo.L)I switch (level)
!",@,$ {
~{N|("nB case TraceLevel.Error:
7i'vAOnw^ LogEntryType = EventLogEntryType.Error;
lE`ScYG break;
+I/P5OGRN case TraceLevel.Warning:
aE;!mod LogEntryType = EventLogEntryType.Warning;
^@)+P/& break;
k!%HcU%J case TraceLevel.Info:
xWlB!r<}Gz LogEntryType = EventLogEntryType.Information;
qS7*.E~j|] break;
A]n!d}? case TraceLevel.Verbose:
#{]=>n)j LogEntryType = EventLogEntryType.SuccessAudit;
JD'/m
hN0 break;
!k[zUti default:
M35}5+ LogEntryType = EventLogEntryType.SuccessAudit;
aN7u
j break;
QF^AnB }
q=EQDHmh /bw-* EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
S-L6KA{ //写入事件日志
't>Qj7vh0 eventLog.WriteEntry(messageText, LogEntryType);
iCc\p2p fG.w;Aemv5 }
NyGF57v[M catch {} //忽略任何异常
bLUn0)c }
D QZS%) } //class ApplicationLog
!<~Ig/ }
CZ0 {*K: > Euput\ 12.Panel 横向滚动,纵向自动扩展
J6Kfz~% <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
36j.is 1.>`h: 13.回车转换成Tab
P]y5E9 k <script language="javascript" for="document" event="onkeydown">
Llzowlf e if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
P"~B2__* event.keyCode=9;
:b
;5O3:B </script>
%k2zsM CBvBBt* onkeydown="if(event.keyCode==13) event.keyCode=9"
LyQO_mT2 'DIE#l` 14.DataGrid超级连接列
85X^T]zo DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
5 )C~L] TS%cTh'ItH 15.DataGrid行随鼠标变色
[Z[)hUXE? private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>,9t<p=Q {
5G2u(hx if (e.Item.ItemType!=ListItemType.Header)
`C=p7% {
m+!%+S1 e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
q`\lvdl e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
8cd,SQ}y }
BpKP]V }
7>4t{aRf_8 ](W#Tj5- 16.模板列
gF:wdcO <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
A^m hPBT_ <ITEMTEMPLATE>
ROfmAc <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
x~mXtqg </ITEMTEMPLATE>
%?cPqRHJ ~ </ASP:TEMPLATECOLUMN>
"JGaw_o
bhgh
]{ <ASP:TEMPLATECOLUMN headertext="选中">
)-sEm`(`I9 <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
|g9^]bT <ITEMTEMPLATE>
n|F`6.G <ASP:CHECKBOX id="chkExport" runat="server" />
Z@*Z@]FC </ITEMTEMPLATE>
"q%)we <EDITITEMTEMPLATE>
Eod2vr=Q <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
oL~Yrb%R </EDITITEMTEMPLATE>
,`wxXU7 </ASP:TEMPLATECOLUMN>
jG/kT5S InDR\=o 后台代码
N7e^XUG protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
tF'67,~W {
vXf#gX!Y //改变列的选定,实现全选或全不选。
fHgfI@{=j CheckBox chkExport ;
v|e\o~2D` if( CheckAll.Checked)
_l Jj 6= {
&wjOb foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Oe=,-\&_ {
A/.cNen chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
G
cbal:q chkExport.Checked = true;
kxO$Uk&TX }
:Rq D0>1 }
*R:nB)(6< else
5|/vc*m_0' {
m1cyCD foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
IEA[]eik> {
h0gT/x chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Z86[sQBg chkExport.Checked = false;
n1LS*-@ }
%GIla* }
N
Lo>"<Xb }
Z,2uN!6 !F%dE! 17.数字格式化
gi`ZFq@ +I')>6 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
U_J|{*4S.! <%#Container.DataItem("price","{0:¥#,##0.00}")%>
OO@$jXZB _6|b0*jv'& int i=123456;
Zw3|HV(so string s=i.ToString("###,###.00");
;xRyONt 9DT}sCLz:B 18.日期格式化
d
EXw=u zL{KK9Or 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
x^
Wgo`v) ,p2
Di 显示为: 2004-8-11 19:44:28
duM>(y ,5/gNg 我只想要:2004-8-11 】
\gzNMI* <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
g_q{3PW. HS2)vd@) 应该如何改?
)oNomsn &oR&NKk 【格式化日期】
'J\%JAR@ @B[V'| 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
.d*v fE$ 2{qoWys8[ 【日期的验证表达式】
aJfW75C sI.Ezuw A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Q'rG' | ^((\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})))?$
BvYJ!Vj 3Y8%5/D5 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
UR\*KR;yM ^\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]))$
jjwY{jV fu|I(^NV 【大小写转换】
e]5QqM7 HttpUtility.HtmlEncode(string);
e5AiIVlv HttpUtility.HtmlDecode(string)
+Gjy%JFp eC3ZK"oJ 19.如何设定全局变量
}b{N[ 1\3n Global.asax中
7+z%O3k'I +F@9AO>LF Application_Start()事件中
$DQMN g6~uf4; 添加Application[属性名] = xxx;
KUp
lN1Sy K4
>d 就是你的全局变量
?2i``-|Wa s5[ Cr"q7B 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
AKHi$Bk s*Fmu7o43 HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
LsmC/+7r$1 YS/DIH{9e 【ASPNETMENU】点击菜单项弹出新窗口
<?I~ + 1M+mH#? 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Hu;#uAnxQ <?xml version="1.0" encoding="GB2312"?>
[bZXzV( <MenuData ImagesBaseURL="images/">
UrtN3icph <MenuGroup>
t#d~gBe?V <MenuItem Label="内参信息" URL="Infomation.aspx" >
)UxF lp;\ <MenuGroup ID="BBC">
oZIoY*7IrQ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
i#eb %9Mn <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
j#Y8h5r ......
HID;~Ne 9iv!+(ni 最好将你的aspnetmenu升级到1.2版
:${Lm&J \_+d*hHF~ 21.读取DataGrid控件TextBox值
Bp b_y;E foreach(DataGrid dgi in yourDataGrid.Items)
sqkPC_;A {
K/08F|]a TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Xf.SJ8G tb.Text....
R[9[lQ'vR }
[WB8X, \Q
&Kd| 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?
2AdV=n6Z gXF.e.uU 〖思归〗
P ^D\znvc <asp:TemplateColumn HeaderText="数量">
No h*1u* <ItemTemplate>
h<}4mo_$ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
3vMfms onkeyup="javascript:DoCal()"
`?La />
pV1~REk$& ;8ugI <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
M,7v}[Tbl </ItemTemplate>
;ASlsUE\) </asp:TemplateColumn>
uRp-yu[nt% 7H=/FT?e] <asp:TemplateColumn HeaderText="单价">
z;Kyg} <ItemTemplate>
uv Z!3 UH. <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
=WHdy; onkeyup="javascript:DoCal()"
zEa3a />
p-;*K(#X "zYlddh <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
%SIbpk% _TkiI. ' </ItemTemplate>
8?ZK^+]y </asp:TemplateColumn>
xC{ W_a( rFGbp8(2 <asp:TemplateColumn HeaderText="金额">
Qxt,@<IK <ItemTemplate>
`Up3p24 <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
$_NVy>\& </ItemTemplate>
@UX'(W </asp:TemplateColumn><script language="javascript">
-MeGJX:^I function DoCal()
{Z$Aw4a"d {
dMYDB var e = event.srcElement;
-cOLgrmp var row = e.parentNode.parentNode;
A5z5e#
,u var txts = row.all.tags("INPUT");
N U\B if (!txts.length || txts.length < 3)
Fd0R?d return;
O$KLQ '0"n t}]=5)9< var q = txts[txts.length-3].value;
'(~+
\ var p = txts[txts.length-2].value;
E QMn'> %[5hTf if (isNaN(q) || isNaN(p))
qWy(f|:hYi return;
(Y:5u}*Y cbNrto9 q = parseInt(q);
V)C4 sG p = parseFloat(p);
lorjMS >DPC}@Wl txts[txts.length-1].value = (q * p).toFixed(2);
{}~7Gi! }
{Q I"WFdGx </script>
K&\xbT 8|HuxE }H\wed]F/ M2{{B^*$6 '
FF@I^O 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。
REli`"bR page_load
yd'>Mw page.smartNavigation=true
5hg:@i',
;3 O0O 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 ?
1o
V\QK& private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
7"FsW3an {
x} {/) ?vC for(int i=0;i<e.Item.Cells.Count-1;i++)
xZwG@+U=X if(e.Item.ItemType==ListItemType.EditType)
o^}K]ML!t {
:!n_a*.{ e.Item.Cells.Attributes.Add("Width", "80px")
1=}+NK! }
9aHV~5 }
gQ6_]~4 ]oUvC 26.对话框
r".*l?= private static string ScriptBegin = "<script language=\"JavaScript\">";
z;J"3kM private static string ScriptEnd = "</script>";
7'LKyy
!"3 9rf6,hF public static void ConfirmMessageBox(string PageTarget,string Content)
jZx.MBVy] {
C|*U)#3:F string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
s#hIzt &
=)HPzC ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
&gR)Y3 eVGO6 2|! Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
jb|al[p\ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
EyO=M~nsS //Response.Write(strScript);
5bKM}?=L }
bbCH(fYbu NO+.n)etGb 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
AY<(`J{ HRn
Q* 1.1 取当前年月日时分秒
%-1-y]R| currentTime=System.DateTime.Now;
m:SG1m_6 m<}>'DT 1.2 取当前年
6#hDj_(, int 年= DateTime.Now.Year;
IOhJL'r UuPXo66F] 1.3 取当前月
L7VD ZCV int 月= DateTime.Now.Month;
$KHw=<:)/ E^qJ5pr_P 1.4 取当前日
_3~/Z{z8 int 日= DateTime.Now.Day;
qQ6rF
nA ?71?Vd 1.5 取当前时
l!qhK'']V" int 时= DateTime.Now.Hour;
@cRR Xt}
4B# 1.6 取当前分
H{hd1 int 分= DateTime.Now.Minute;
$lVR6|n W T~UEK' 1.7 取当前秒
79`OB## int 秒= DateTime.Now.Second;
1 etl:gcEC +-2o b90_m 1.8 取当前毫秒
:8h\x int 毫秒= DateTime.Now.Millisecond;
-Y>,\VEK v]{F.N 28.自定义分页代码:
vxE#6 `xv2,Z9< 先定义变量 :
UI2TW)^2 public static int pageCount; //总页面数
/oL&
<e public static int curPageIndex=1; //当前页面
M$YU_RPl+ Zaime 下一页:
,=>Ws:j if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
Z mVw5G
q {
` `mnk>/ DataGrid1.CurrentPageIndex += 1;
K-,4eq! curPageIndex+=1;
X(Z~oGyg }
b'r</ncZ f.)z_RyGd bind(); // DataGrid1数据绑定函数
Jt++3] -d>2&)5 上一页:
`) y<X#[8 if(DataGrid1.CurrentPageIndex >0)
00SYNG! {
R5Pk>-KF DataGrid1.CurrentPageIndex += 1;
m#K)%0 curPageIndex-=1;
RW-)({ }
05>mR qVL YN]xI bind(); // DataGrid1数据绑定函数
$;iMo/ c!0u,6 直接页面跳转:
Ms=5*_J2Jk int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
OCW0$V6;D- Ah2*7@U if(a<DataGrid1.PageCount)
tq$L* ++O {
%plu]^Vy this.DataGrid1.CurrentPageIndex=a;
X8 $Y2?< }
+P! ibHfP MpK3+4UMa bind();
ES}V\k*} 2]of4 29.DataGrid使用:
t|PQ4g< o|kiwr}Y 添加删除确认:
{'8td^JEE private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
o%yfR.M6$ {
!),eEy foreach(DataGridItem di in this.DataGrid1.Items)
v*";A {
;NMv>1fI if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
!MXn&&e1 {
LUs)"ZAi| ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
/9pN.E }
4%B0H> }
#Z. QMWq }
o;TS69|D VQ"Z3L3-4 样式交替:
!n7'TM' ListItemType itemType = e.Item.ItemType;
CZ33|w Kpg?'
!I if (itemType == ListItemType.Item )
&t~NR$@ {
5^ck$af e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
H@xHkqan e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
#My14u }
>^6|^rc else if( itemType == ListItemType.AlternatingItem)
KS'n$ {
;FGS(.mjlC e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
c>Tf@Aog> e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
UY6aD~tD0 }
2U|"]tpM& 3qW]( 添加一个编号列:
{^D; ($lm DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
z+Guu8 DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
v,'k2H ;kI)j
? for(int i=0;i<dt.Rows.Count;i++)
4Ei8G]O
$_ {
`# U<'$ dt.Rows["number"]=(i+1).ToString();
"XQ3mi`y }
=Vm3f^ BOOb{kcg DataGrid1.DataSource=dt;
g`z;:ao DataGrid1.DataBind();
J8-K 7W'&v+\ DataGrid1中添加一个CheckBox,页面中添加一个全选框
`?{6L# private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
q`'m:{8 {
cQkj{u foreach(DataGridItem thisitem in DataGrid1.Items)
)K8^}L, {
+Wl]1
c/ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
s~QIs }
/Y=_EOS }
s3Wjhw/ j0=F__H#@ 将当前页面中DataGrid1显示的数据全部删除
*>/w,E] foreach(DataGridItem thisitem in DataGrid1.Items)
Lv?jg?$ {
IL`LIJ:O if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
S{RRlR6Z {
,.kmUd string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
QOX'ZAB` Del (strloginid); //删除函数
<5E)6c_W) }
:>}7^1I }
2$o#b. &q&~&j'[ 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)
$Zr \$z2 &pQ[(|=( 在Application_Start中添加以下代码:
h3bQ<?m Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
{qGXv@
I6 AppSettings["ConnStr"].ToString();
rd>>=~vx=/ \2!. 31. 变量.ToString()
k`#E#1niN ]- 6q`'?[ 字符型转换 转为字符串
%"cOX 12345.ToString("n"); //生成 12,345.00
k')H5h+Q= 12345.ToString("C"); //生成 ¥12,345.00
,A&`WE 12345.ToString("e"); //生成 1.234500e+004
YZ]}l%e 12345.ToString("f4"); //生成 12345.0000
g&S>Wq%L 12345.ToString("x"); //生成 3039 (16进制)
LGw-cX # 12345.ToString("p"); //生成 1,234,500.00%
H<}|n1w< mz Cd@<T, 32、变量.Substring(参数1,参数2);
);T&pm:C> TMD\=8Na 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
=;GmLi3A q %j8Js 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
{Q[ G/=mx <SCRIPT language="javascript">
:f:&B8 <!--
lI%RdA[ function gook(pws)
Wy\^} {
{sxdDl frm.submit();
)3A+Ell` }
eIy:5/s //-->
fs yVu|G w_V A:]j4 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
s$zm)y5 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Y4w]jIv <tr>
Yn$:|$ <td>
JB%_&gX)v <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
w2!:>8o: <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
e$teh`
p3 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
e|W;(@$< H0 Zo.Np <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
{0lu>?< <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
@-L\c>rqT q sUBvq </td>
FA>.1EI n&o"RE 0~0 </tr>
m,"-/) RT3(utwO </form>
R:(i}g<3 .N>*+U>>P 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。
r*8a!jm? o=#ym4hJ% 下面是获取用户输入的登陆信息的代码:
Pwj|]0Y@ string name;
S(U9Dlyarg name=Request.QueryString["EmailName"];
#>HY+ ; ~ o2Z5,H try
*iY:R {
8(&6*-7= int a=name.IndexOf("@",0,name.Length);
=L@CZ" f_user.Value=name.Substring(0,a);
j!kJ@l bP f_domain.Value=name.Substring(a+1,name.Length-(a+1));
vNs`UkA f_pass.Value=Request.QueryString["Psw"];
p;'.7_1 }
Kxa1F,dZ $m~&| s catch
Sk"hqF.2 {
~QlF(@ue Script.Alert("错误的邮箱!");
#AP;GoIf"j Server.Transfer("index.aspx");
Z m%,L$F*L }