1. 打开新的窗口并传送参数:
-5V)q.Og GOYn\N;V2 传送参数:
fa!3/X+ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
lFp!XZ! 1u"R=D9p,= 接收参数:
).0V%}> string a = Request.QueryString("id");
* ?
K4!q' string b = Request.QueryString("id1");
/S7+B] 1<LC8?wt 2.为按钮添加对话框
%_B:EMPd Button1.Attributes.Add("onclick","return confirm(’确认?’)");
, @%C8Z button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
-H1"OJ2aF
!
Q|J']| 3.删除表格选定记录
JqI6k6~Q^ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
c
}<*~w; string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
~vW)1XnK S|K|rDr0n 4.删除表格记录警告
6}VUD
-}B private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
oupJJDpP {
B>~k).M&, switch(e.Item.ItemType)
awj+#^ {
hAV2F# case ListItemType.Item :
./ "mn3U case ListItemType.AlternatingItem :
Cz'xGW{ case ListItemType.EditItem:
]j& FbP)3 TableCell myTableCell;
+M44XhT myTableCell = e.Item.Cells[14];
ftYR,!& LinkButton myDeleteButton ;
b@=zrhQ myDeleteButton = (LinkButton)myTableCell.Controls[0];
cT/3yf myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
gB(9vhj$ break;
`t{D7I7 default:
{E!$ xY8 break;
_:wZmZU} }
uk`T+@K zc6Ho }
b7, (bg}an 5.点击表格行链接另一页
7*zB*"B'1t private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
qTyg~]e9( {
KK:N [x //点击表格打开
kx|me~I
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
7d3'CQQ4 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
'"oo;`g7 }
yJnPD/i ]UK`?J=t2g 双击表格连接到另一页
:&Qb>PH[ 'n~fR]h} 在itemDataBind事件中
%lXbCE:[ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
7<^'DOs {
n`P`yb\f$ string OrderItemID =e.item.cells[1].Text;
Y{,2X~ 7 ...
?V#Gx>\ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
&(gm4bTg }
i4 hJE n4^*h4J7 双击表格打开新一页
{UP'tXah if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
aQ&uC )w {
;5<P|:^ string OrderItemID =e.item.cells[1].Text;
0r1g$mKb ...
Xa4GqV9M/- e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
FI\IY
R }
'4$lL6ly> gzor%)C ★特别注意:【?id=】 处不能为 【?id =】
ppEJs 6.表格超连接列传递参数
/
>%L[RJ4 <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
O4T'o. <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
smV!y8& Was'A+GZ 7.表格点击改变颜色
F#6cF=};@ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
DYX-5~;! {
"hW(S e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Z,3 CC \ this.style.color=’buttontext’;this.style.cursor=’default’;");
<lFdexH"T }
.
=&Jo9 6A}eSG3 写在DataGrid的_ItemDataBound里
d;{y`4p)s if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(/'h4KS@ {
KZ]r8 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
}xqXd%uz this.style.color=’buttontext’;this.style.cursor=’default’;");
$)Wb#B e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
QW2?n`Fa9- }
T0r<O_ubOA ; VBpp<
pL~=Z?(B 8.关于日期格式
VO9XkA7 [KMS<4t' 日期格式设定
C(s\LI!r DataFormatString="{0:yyyy-MM-dd}"
w}d}hI =Ci13< KQ 我觉得应该在itembound事件中
q?yMa9ZZky e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
WJAYM2
6\ uMHRUi 9.获取错误信息并到指定页面
j$+gq*I&E ovz# 不要使用Response.Redirect,而应该使用Server.Transfer
tR<L`?4 |-n
('gQ[ e.g
)6G"* // in global.asax
P&mtA2 protected void Application_Error(Object sender, EventArgs e) {
m*gj|1k if (Server.GetLastError() is HttpUnhandledException)
p zg&/m&F` Server.Transfer("MyErrorPage.aspx");
0vDg8i\ $:e)$Xnn- //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
?s%v 3T }
dsK/6yu +lKrj\Xj 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
+5-]iKh ?NlSeh 10.清空Cookie
:Dayv6g Cookie.Expires=[DateTime];
Ih()/( Response.Cookies("UserName").Expires = 0
b"t")U== \BUqDd! 11.自定义异常处理
)=Zsv40O //自定义异常处理类
o_O+u%y using System;
uWTN2jr using System.Diagnostics;
'6X%=f'^b b_vVB`> namespace MyAppException
P% Q@9kO> {
.liyC~YW /// <summary>
qC..\{z /// 从系统异常类ApplicationException继承的应用程序异常处理类。
V}SyD(8~ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
iD<6t_8), /// </summary>
\e|U9;Mf public class AppException:System.ApplicationException
Mb/L~gd" {
9Eg&CZ,9$D public AppException()
VJg,~lQN#t {
7G"7wYc>R if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
,%Z&*n }
AFm,CINa XIRR Al(, public AppException(string message)
}%x}fu# {
gD6tHg>_ LogEvent(message);
H<Hrwy~ }
;R!*I% Ft)
lp>3gv public AppException(string message,Exception innerException)
xg} ug[ {
<BPRV> 0X LogEvent(message);
4>YU8/Rw if (innerException != null)
YDFCGA {
XVF^,Yf LogEvent(innerException.Message);
q &
b5g ! }
f^?uY8< }
;E#\ 's.~$ //日志记录类
`NSy"6{Z using System;
?+Q$#pb using System.Configuration;
sB6dpD using System.Diagnostics;
~:EW>Fq%i using System.IO;
+#s;yc#=2 using System.Text;
f ;wc{qy using System.Threading;
D%U:!|G YjLe(+WQ namespace MyEventLog
-\Z `z}D {
B+Z13;}B /// <summary>
.=XD)>$ /// 事件日志记录类,提供事件日志记录支持
7)J6/(' /// <remarks>
4\6:\ /// 定义了4个日志记录方法 (error, warning, info, trace)
q^*6C[G B /// </remarks>
> :Ze4}( /// </summary>
i3PKqlp. public class ApplicationLog
j o_
sAb {
E:w:4[neh /// <summary>
Qn.[{rw /// 将错误信息记录到Win2000/NT事件日志中
P"F{=\V1`< /// <param name="message">需要记录的文本信息</param>
jV^C19 /// </summary>
Q]rqD83(( public static void WriteError(String message)
,H39V+Y* {
6IP$n($2 WriteLog(TraceLevel.Error, message);
!5UfWk\G }
X>t3|h 9P.(^SD][z /// <summary>
Z>2]Xx%
\ /// 将警告信息记录到Win2000/NT事件日志中
HabzCH /// <param name="message">需要记录的文本信息</param>
@Tr&`Hi /// </summary>
FVgMmYU
public static void WriteWarning(String message)
+9[SVw8 {
8a>SC$8" WriteLog(TraceLevel.Warning, message);
%hINpZMr }
M4?8xuC $"8d:N?I[ /// <summary>
kXwi{P3D$ /// 将提示信息记录到Win2000/NT事件日志中
>vujZw_0> /// <param name="message">需要记录的文本信息</param>
jK3\K/ob( /// </summary>
*vnXlV4L public static void WriteInfo(String message)
RtC'v";6 {
[M:S`{SbY WriteLog(TraceLevel.Info, message);
:c7CiP }
#3 bv3m /// <summary>
ArzDI{1 /// 将跟踪信息记录到Win2000/NT事件日志中
U=cWmH /// <param name="message">需要记录的文本信息</param>
QU/3X 1W /// </summary>
tg 85: public static void WriteTrace(String message)
eN/G i< {
OVR?*"N_ WriteLog(TraceLevel.Verbose, message);
1h=D4yN }
z(H?VfJo q4ipumy* /// <summary>
=yqHC<8: /// 格式化记录到事件日志的文本信息格式
;S JF%@x /// <param name="ex">需要格式化的异常对象</param>
vZkXt!%) /// <param name="catchInfo">异常信息标题字符串.</param>
|nY~ZVTt/ /// <retvalue>
&U"X$aFc /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
Np2ci~"<. /// </retvalue>
>]&X ^V%Q# /// </summary>
| ^GyH$. public static String FormatException(Exception ex, String catchInfo)
~R.dPUr {
n"G`b StringBuilder strBuilder = new StringBuilder();
`#6x=24 if (catchInfo != String.Empty)
U<Jt50O {
Zw$
OKU strBuilder.Append(catchInfo).Append("\r\n");
f=`33m5 }
SRL-Z&M strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
kus}WJ return strBuilder.ToString();
`,Orf ZMb }
64U6C *w+ >85zQ
1aL /// <summary>
#?&0D>E?k /// 实际事件日志写入方法
r{[OJc! /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
n &}s-`D
/// <param name="messageText">要记录的文本.</param>
s[AA7>]3 /// </summary>
M{Gxjmdx private static void WriteLog(TraceLevel level, String messageText)
sLns3&n2 {
OM:v`<T!z try
3nFt1E
{
}1 QF+Cf EventLogEntryType LogEntryType;
)q3"t2- switch (level)
v01#>,R {
u7=T(4a case TraceLevel.Error:
YaL]>.;Z:" LogEntryType = EventLogEntryType.Error;
$}tjS3klr break;
P`"mM?u case TraceLevel.Warning:
B8V,)rn LogEntryType = EventLogEntryType.Warning;
{1~T]5 break;
Do*n#= case TraceLevel.Info:
\##5O7/1 LogEntryType = EventLogEntryType.Information;
&[j]Bp? break;
};S0 G! case TraceLevel.Verbose:
(Uk, LogEntryType = EventLogEntryType.SuccessAudit;
5=Lq=,K$ break;
8&E}n(XE default:
kMxjS^fr LogEntryType = EventLogEntryType.SuccessAudit;
Gvx[8I break;
_x % 1 F }
*Km7U-BG yA;W/I4 EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
YV([2 //写入事件日志
8_Z/ o5s eventLog.WriteEntry(messageText, LogEntryType);
6E^~n
`w<J25 }
?+`xe{k catch {} //忽略任何异常
\dkOK`)b }
D7Zm2Kj } //class ApplicationLog
Z8&'f, }
DWf$X1M 0=![fjm
12.Panel 横向滚动,纵向自动扩展
O4Dr ]Xc] <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
~<ri97) g}Qx`65: 13.回车转换成Tab
l\Xd.H" j, <script language="javascript" for="document" event="onkeydown">
ycX{NDGs if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
ngyY event.keyCode=9;
44-r\> </script>
!ALZBB .r( ` |Fp^gM onkeydown="if(event.keyCode==13) event.keyCode=9"
Ceg!w#8 Z, =2 jhII 14.DataGrid超级连接列
l[YEKg DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
C-SLjJw `&*bM0(J 15.DataGrid行随鼠标变色
wk[
wNIu private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
g>0vm2| {
c K <)$* if (e.Item.ItemType!=ListItemType.Header)
-[]';f4]M {
<Ar$v'W=F{ e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
&u8z5pls8 e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
1"]P`SY$r }
wahZK~,EaY }
YQVcECj K=\&+at1 16.模板列
Ijedo/ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
8^ #mvHah <ITEMTEMPLATE>
j_Nm87i] <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
n1J]p#nCa. </ITEMTEMPLATE>
`X8@/wf# </ASP:TEMPLATECOLUMN>
fRHKQ(a# tXq)nfGe{ <ASP:TEMPLATECOLUMN headertext="选中">
! OE*z $\ <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
FPv"N'/ <ITEMTEMPLATE>
)=_ycf^MC <ASP:CHECKBOX id="chkExport" runat="server" />
Y&f\VNlT </ITEMTEMPLATE>
#`ejU &!6 <EDITITEMTEMPLATE>
>*qQ+_ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
, =y#m-9 </EDITITEMTEMPLATE>
ClQe4uo{ </ASP:TEMPLATECOLUMN>
k-jahm4 CL9yEy"V 后台代码
r"]'`qP, protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
0k[2jh {
@d&H]5 //改变列的选定,实现全选或全不选。
r9@AT( CheckBox chkExport ;
E*CcV; if( CheckAll.Checked)
]U_ec*a {
TFH&(_b foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
4gZ&^y' {
OW5t[~y] chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
id,NONb\ chkExport.Checked = true;
6STp>@Ch]" }
/q1s;I }
.-]R9KjR1J else
!I8f#'p {
.6.^G foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
x;#zs64f {
z2 hFn& chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
qqOFr!)g chkExport.Checked = false;
~]fJlfR* }
O)#U ^ }
k`VM2+9h'^ }
$c9k*3{<+A Tlsa%pn 17.数字格式化
%oof}=MxCL mP^SS
Je 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Pe ~c <%#Container.DataItem("price","{0:¥#,##0.00}")%>
1ThqqB ?IW_O~Js int i=123456;
pJ^NA2 string s=i.ToString("###,###.00");
}iww:H-1 Mi0sC24b| 18.日期格式化
AEg(m<t SvuTc!$? 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
63&^BW ,YLF+^w- 显示为: 2004-8-11 19:44:28
P+(i^=S wL{qD 我只想要:2004-8-11 】
S~yR5cb <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
j8$Zv%Ca% @;^Y7po6u 应该如何改?
cxP&^,~ r4{<Z3*N 【格式化日期】
|g&ymFc [EZYsOr. 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
%&+59vq PLR0#).n 【日期的验证表达式】
&|o$=Ad *l+Cl%e A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
wpo1
^((\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})))?$
^k/i-%k0 Op}ZB: B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
GDhM<bVqM* ^\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]))$
U@-2Q= |m*.LTO 【大小写转换】
Ciihsm HttpUtility.HtmlEncode(string);
bbN%$/d HttpUtility.HtmlDecode(string)
77,oPLSn FxW&8 9G 19.如何设定全局变量
B$a-og( 8OFj0S1r` Global.asax中
m7jA
,~O oy\B;aAK Application_Start()事件中
H3KTir"on o( G"k 添加Application[属性名] = xxx;
xvm5 uO(w1Q"^ 就是你的全局变量
B!S 167Op )u} Q:`9 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
9;=dxWf /yPXMJ6W~R HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
7{M>!}
rY `E`HVZ} 【ASPNETMENU】点击菜单项弹出新窗口
D4Nu8Wr$ e x?v
`9 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
hv)8K'u <?xml version="1.0" encoding="GB2312"?>
{})$
9 9"x <MenuData ImagesBaseURL="images/">
+ ,4"
u <MenuGroup>
e@]-D
FG <MenuItem Label="内参信息" URL="Infomation.aspx" >
ff2d@P,! <MenuGroup ID="BBC">
%,V
YiW0 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
E`;;&V q- <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
nb,2,H ......
3MBN:dbQ |D#2GeBw1h 最好将你的aspnetmenu升级到1.2版
MQTdk*L_] oh-|'5+,;h 21.读取DataGrid控件TextBox值
cDkV;$ foreach(DataGrid dgi in yourDataGrid.Items)
N$I03m {
6d|q+]x_n TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
5LW}h^N tb.Text....
LBlN2)\@ }
6(V
/yn~ IApT'QNM 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
>,5i60Q [
!%R#+o=F 〖思归〗
u'5`[U
-! <asp:TemplateColumn HeaderText="数量">
2Aq~D@,9=: <ItemTemplate>
N/F$bv <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
h0 |}TV^UJ onkeyup="javascript:DoCal()"
@4GA^h />
2W<n5o <z)m%*lvU <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
g.DLfwI| </ItemTemplate>
vfc[p ^ </asp:TemplateColumn>
@w9{5D4 FQsUm?ac: <asp:TemplateColumn HeaderText="单价">
|\9TvN^$` <ItemTemplate>
onei4c>@ <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
-*ELLY[ onkeyup="javascript:DoCal()"
#%,RJMv />
G=/k>@Di
gwB\<rzG <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
msx-O=4g yW7'? </ItemTemplate>
l|`^*%W@u6 </asp:TemplateColumn>
Snw3`|Y~< 2.I^Xf2 <asp:TemplateColumn HeaderText="金额">
&9[P-w;7u <ItemTemplate>
n D6G <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
RYR-K^;R </ItemTemplate>
y-aRXF=W </asp:TemplateColumn><script language="javascript">
^>c8t_RG function DoCal()
F`+\>ae$h {
S33j?+Vs var e = event.srcElement;
,[rPe\w.z var row = e.parentNode.parentNode;
)0 Z! n var txts = row.all.tags("INPUT");
I*|P@0 if (!txts.length || txts.length < 3)
Wr~yK? : ] return;
i775:j~zx0 @R6 ttx var q = txts[txts.length-3].value;
,J=P,]( var p = txts[txts.length-2].value;
hwnJE958L YlK7;yrq( if (isNaN(q) || isNaN(p))
]7 GlO9 return;
#@.-B,] n> w`26MMp q = parseInt(q);
cNK)5-
U p = parseFloat(p);
nhT(P`6 ).412I txts[txts.length-1].value = (q * p).toFixed(2);
)r6EW`$ }
oy.[+EI`| </script>
|CD"*[j] g}xQ6rd _k66Mkd#b m\u26`M Xz{~3ih 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:=k`yS, page_load
R[[ ,q:4 page.smartNavigation=true
Yc Q=vt{ K`%tGVY 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 ?
j6:7AH|!)2 private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
K >tf, {
v({N:ya for(int i=0;i<e.Item.Cells.Count-1;i++)
%Q"(/jm? if(e.Item.ItemType==ListItemType.EditType)
P7 y q^| {
X JGB)3QI e.Item.Cells.Attributes.Add("Width", "80px")
^z;JVrW }
"E*e2W }
"9y(
} </zXA$m 26.对话框
Yg|lq9gD private static string ScriptBegin = "<script language=\"JavaScript\">";
-#:zsu private static string ScriptEnd = "</script>";
vRQOs0F; K|S:{9Q public static void ConfirmMessageBox(string PageTarget,string Content)
i?@M {
s<QkDERMX string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
r4}*l7Q a|j%n ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
0S/'
94%w fRZ KEIyk Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
^-)txC5{T ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
?}p:J{ //Response.Write(strScript);
nA7M8HB }
C|-pD T3%C%BcX 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
5r,r%{@K .10y0FL4 1.1 取当前年月日时分秒
h:bru:ef currentTime=System.DateTime.Now;
L{{CAB! d3Di/Iej 1.2 取当前年
s Kicn5 int 年= DateTime.Now.Year;
T Eu'*>g /1w2ehE< 1.3 取当前月
:\
QUs} int 月= DateTime.Now.Month;
1QqHF$S cW8\d 1.4 取当前日
F'm(8/A$ int 日= DateTime.Now.Day;
Z=S>0|`R ;az5ZsvN
D 1.5 取当前时
xG2+(f#C1 int 时= DateTime.Now.Hour;
_D7 ]-3uC! m#e3%150{ 1.6 取当前分
{D&9UZm int 分= DateTime.Now.Minute;
]88];?KS} !c#]?b% 1.7 取当前秒
V7Yaks int 秒= DateTime.Now.Second;
kJ:F *34e= ;QCrHqRT` 1.8 取当前毫秒
_banp0ywS int 毫秒= DateTime.Now.Millisecond;
W;6vpPhg#! ]bdFr/!'S+ 28.自定义分页代码:
"`Ge~N[$A /'.=sH 先定义变量 :
:nY2O public static int pageCount; //总页面数
XMN:]!1J public static int curPageIndex=1; //当前页面
4-GXmC bru/AZ# de 下一页:
(oz$B0HO: if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
lK7m=[j {
uGU;Y'W) DataGrid1.CurrentPageIndex += 1;
* *H&+T/B curPageIndex+=1;
$:s`4N^ }
}R4c >JwLk[=j bind(); // DataGrid1数据绑定函数
;lX(}2tXW E.bi05l 上一页:
bvBHYf:^ if(DataGrid1.CurrentPageIndex >0)
wN-i?Ek0; {
1j-te-}"c DataGrid1.CurrentPageIndex += 1;
`lDut1J5n curPageIndex-=1;
revF;l6->C }
%^.%OCX: yL4 T bind(); // DataGrid1数据绑定函数
-Y 9SngxM V%0I%\0Y 直接页面跳转:
IeX^4rc( int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
*u6Y8IL1 (h-*_a}F4 if(a<DataGrid1.PageCount)
,Tagj`@bHc {
oB1>x^
this.DataGrid1.CurrentPageIndex=a;
vl Ez9/H }
$!@\ -Ng'<7 bind();
Flxvhl)L Z#l%r0(o 29.DataGrid使用:
T\s)le zLw{ {| 添加删除确认:
lq:}0 <k private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
zhI#f0c {
6M.;@t,Y foreach(DataGridItem di in this.DataGrid1.Items)
YV4#%I!< {
(6p]ZY if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
3oZ=k]\ {
p{dwZ_gl
((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
eas:6Q) }
v60^4K> }
9i5,2~ }
rX7QbAB Q:C$&-$ 样式交替:
:K82sCy%5 ListItemType itemType = e.Item.ItemType;
^i)hm U).*q?.z if (itemType == ListItemType.Item )
$*a'84-5G- {
"<+ih0Ma e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
T=a=B( e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
d@0Kr5_ }
b
IW'c_
, else if( itemType == ListItemType.AlternatingItem)
DciwQcG {
UM*jKi2]" e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
<AlZ]~Yct e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
#3=P4FUz. }
sd#|3 3ss6_xd+ 添加一个编号列:
^\:8w0Y^ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
q-ES6R DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
W,@
If} &5{xXWJK for(int i=0;i<dt.Rows.Count;i++)
-tsDMji~V {
;!<
Znw dt.Rows["number"]=(i+1).ToString();
e,_-Je }
BElJB&I DD9 ?V}Yx DataGrid1.DataSource=dt;
z\ss4 DataGrid1.DataBind();
q}BzyC=:n gnp~OVDqfL DataGrid1中添加一个CheckBox,页面中添加一个全选框
^[-el=oKn0 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
;8S/6FI {
NC qo@vE foreach(DataGridItem thisitem in DataGrid1.Items)
t2" (2 {
!
Z`0(d ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
l=N2lHU }
raVA?|'g~ }
D0(xNhmKz ;;$# )b 将当前页面中DataGrid1显示的数据全部删除
C${S^v foreach(DataGridItem thisitem in DataGrid1.Items)
ajRSMcKb7i {
p Rdk>Ph if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
PfS:AIy {
2jsw"aHW string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
9z;HsU v Del (strloginid); //删除函数
;Yfv!\^ | }
:4)Qt }
t%zpNd2lk /N>e&e[35\ 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
0n ~ Zz >R{qESmP= 在Application_Start中添加以下代码:
1
Q-bYJG Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
8l?piig# AppSettings["ConnStr"].ToString();
B<8N96fx I-]>d;4. 31. 变量.ToString()
*rZ^^`4R ^ 5VK> 字符型转换 转为字符串
GhY1k"; 12345.ToString("n"); //生成 12,345.00
kL7#W9 12345.ToString("C"); //生成 ¥12,345.00
dUgrKDNyA 12345.ToString("e"); //生成 1.234500e+004
{ wF&+kH3 12345.ToString("f4"); //生成 12345.0000
V~ ~=Qp+. 12345.ToString("x"); //生成 3039 (16进制)
Ogt]_ 12345.ToString("p"); //生成 1,234,500.00%
!{n<K:x1 6J~12TU, 32、变量.Substring(参数1,参数2);
o[ENp'r O<)y-nx;X 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
22<0DhJ ?.c;oS| 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
+#b:d=v! <SCRIPT language="javascript">
0c.s
- <!--
}),w1/#5u8 function gook(pws)
9%ii '{ {
be5,U\&z frm.submit();
{u!)y?}I- }
&~UJf4b|A //-->
nhSb~QqEh )5JU:jNy </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
=K&\E2kA4 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
6qe*@o <tr>
6+V\t+aug <td>
N$Y " c* <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
P+t#4J <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
V>64/ <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
]%uZ\Q;9p ,<