1. 打开新的窗口并传送参数:
:,:r 4GaF:/ 传送参数:
U?H!:?,C response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
_ea!psA0 +Pn+&o;D 接收参数:
k+%6:r,r& string a = Request.QueryString("id");
e6]u5;B
r string b = Request.QueryString("id1");
72Ft?;R N0/DPZX7 2.为按钮添加对话框
?mrG^TV^+r Button1.Attributes.Add("onclick","return confirm(’确认?’)");
/Wk\6 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Lymy/9 7X1T9'jI2 3.删除表格选定记录
KLlW\MF1 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
*qGxQ?/ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
j@Z4(XL $\{@wL 4.删除表格记录警告
bf::bV?T private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
$c[8-= {
K^w(WE;db switch(e.Item.ItemType)
YW0UIO {
:X/j%m* case ListItemType.Item :
-x@mS2 case ListItemType.AlternatingItem :
kcI3pmgj case ListItemType.EditItem:
Oe*emUX7 TableCell myTableCell;
EubF`w$KWX myTableCell = e.Item.Cells[14];
.J'}qkz~ LinkButton myDeleteButton ;
X >C*(/a myDeleteButton = (LinkButton)myTableCell.Controls[0];
fY$M**/, myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
jj.i W@m break;
!{"{(h)+@ default:
GuNzrKDr break;
ti3T?_ }
i5q
VQo LEWeybT }
GR Rv0M Z6A*9m 5.点击表格行链接另一页
i4&"-ujrm private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
G2zfdgW${/ {
@9-z8PyF //点击表格打开
!A, ] if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
+A3@{2 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
CsJw;]dYI }
x{j|Tf3,G J9zSBsp_ 双击表格连接到另一页
%sbDH @|idlIey 在itemDataBind事件中
{-09,Q4[& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
IXe[JL: {
j"9bt GX string OrderItemID =e.item.cells[1].Text;
nYLq%7}k ...
u4, p.mZtb e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
kW3V"twx }
#\_N-bVu a4Fe MCvV9 双击表格打开新一页
S{7A3
x'B if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
k$j>_U? P {
6DD"Asi+ string OrderItemID =e.item.cells[1].Text;
nM>oG'm[n ...
:]v%6i. e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
sjvlnnO }
NVAt-u0LB 0V@u] ★特别注意:【?id=】 处不能为 【?id =】
-O:+?gG 6.表格超连接列传递参数
Ux2(Oph <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
#;#
V1 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
4
>at#Zc yF0\$%H>$ 7.表格点击改变颜色
T6*naH if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
(i^{\zv {
xlZ"F e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
'%vb&a!.6 this.style.color=’buttontext’;this.style.cursor=’default’;");
5IE 2&V }
tXV9+AJ d<r=f" 写在DataGrid的_ItemDataBound里
!ZJ"lm if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
B\G?dmo {
}_vE
lBh6$ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
BxS\"W this.style.color=’buttontext’;this.style.cursor=’default’;");
]Nz~4ebB e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
MkEr|w' }
%QCh#v=ks @`^+XP K\ 0&}
"!) 8.关于日期格式
u%3D{Dj S!j=hj@qW 日期格式设定
d[9c6C:<q DataFormatString="{0:yyyy-MM-dd}"
i<@6f'Kir nlOM4fJ( 我觉得应该在itembound事件中
1JMEniB+9 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
p%pM3<p 71_{FL8 9.获取错误信息并到指定页面
!o1{. V9q =UE/GTbl 不要使用Response.Redirect,而应该使用Server.Transfer
G?AZ%Yx ze@NqCF e.g
(A|Gb2 X // in global.asax
;[V_w/-u protected void Application_Error(Object sender, EventArgs e) {
$O9Nprf if (Server.GetLastError() is HttpUnhandledException)
EnnT)qos Server.Transfer("MyErrorPage.aspx");
YBqu7& uLX5khQ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
#; CC"
}
>>oR@ #9M6 q Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
mrX 2w Cgq/#2BM 10.清空Cookie
C8 9c2 Cookie.Expires=[DateTime];
1BO$xq Response.Cookies("UserName").Expires = 0
?^t"tY v]SHude{ 11.自定义异常处理
A{3Aw| ; //自定义异常处理类
$<cio
X using System;
G5a PjP using System.Diagnostics;
(ZH5/VKp |:BKexjHL namespace MyAppException
v6(Yz[ {
D!<[\G /// <summary>
sLrSi /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Z
M_
6A1 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ywWF+kR_ /// </summary>
qKNX^n; public class AppException:System.ApplicationException
Y7(E<1Yx {
ChO?Lm$y public AppException()
uTTM%-DMHT {
XJ,P8nx if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Vz[E)(QX-` }
.@KpN*`KH golr,+LSo public AppException(string message)
QFt7L {
4gbi?UAmX LogEvent(message);
z(V?pHv+ }
D#Fe\8!l V;0{o public AppException(string message,Exception innerException)
aV"K%#N {
^PA[fL" LogEvent(message);
o>*vG if (innerException != null)
.#0),JJZ[ {
9 f$S4O5 LogEvent(innerException.Message);
9ZFvN*Zf' }
7fRL'I#[@ }
f0H
5 )DJf ;sJUTp5\h //日志记录类
7yp7`|,p using System;
yZkHBG4 using System.Configuration;
e[_W( v using System.Diagnostics;
,Fo7E using System.IO;
C/V{&/5w using System.Text;
=Lx*TbsFYt using System.Threading;
]+A>*0#" .I\)1kjX namespace MyEventLog
hDaI@_86 {
b[p<kMTir /// <summary>
N5 ITb0Tv /// 事件日志记录类,提供事件日志记录支持
}%LwaRT /// <remarks>
`~|8eKFq! /// 定义了4个日志记录方法 (error, warning, info, trace)
pgT XyAP{ /// </remarks>
U7O]g'BP /// </summary>
6&V4W"k public class ApplicationLog
j$r .&,m {
B198_T! /// <summary>
+bK[3KG4F5 /// 将错误信息记录到Win2000/NT事件日志中
f5D.wSY /// <param name="message">需要记录的文本信息</param>
[)UF@Sq4+Q /// </summary>
xHEkmL`)4 public static void WriteError(String message)
Ch-56
{
9Br2}!Ny WriteLog(TraceLevel.Error, message);
Cw;&{jY }
8qwc]f$.w DCS$d1 /// <summary>
]}z;!D> /// 将警告信息记录到Win2000/NT事件日志中
:(tSL{FO /// <param name="message">需要记录的文本信息</param>
q)JG_Y.p /// </summary>
K^z-G=|N public static void WriteWarning(String message)
qT]Bl+h2 {
iw1((&^)" WriteLog(TraceLevel.Warning, message);
Yc;cf%c1 }
T{=.mW^ x tMGkm8y-A /// <summary>
s'%KKC /// 将提示信息记录到Win2000/NT事件日志中
47I5Y5 /// <param name="message">需要记录的文本信息</param>
mtDRF'>P: /// </summary>
XvBEC_xWZ public static void WriteInfo(String message)
9D74/3b* {
^aVoH/q*C WriteLog(TraceLevel.Info, message);
'G z>X : }
%-"? /// <summary>
AMqu}G /// 将跟踪信息记录到Win2000/NT事件日志中
: sIZ+3 /// <param name="message">需要记录的文本信息</param>
G#V5E)Dx /// </summary>
w`XwW#!}@$ public static void WriteTrace(String message)
Yo0%5 noz {
7Cf%v`B4D WriteLog(TraceLevel.Verbose, message);
FI@2KM }
^9T6Ix{= EFeG[bxM /// <summary>
!NuYx9L?L /// 格式化记录到事件日志的文本信息格式
-x
)(2| /// <param name="ex">需要格式化的异常对象</param>
pGw|T~e% /// <param name="catchInfo">异常信息标题字符串.</param>
TnET1$@qr* /// <retvalue>
YLk; ^? /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
rN#ydw:9 /// </retvalue>
_DfI78`( /// </summary>
5vIuH+0 public static String FormatException(Exception ex, String catchInfo)
1xK'T_[ {
0@a6r=`el StringBuilder strBuilder = new StringBuilder();
\phG$4(7+ if (catchInfo != String.Empty)
ll;#4~iA {
&8t?OpB =h strBuilder.Append(catchInfo).Append("\r\n");
o:C:obiQbu }
cn ,zUG!-h strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
=DTn9}u return strBuilder.ToString();
gOw|s1`2, }
~D@pk>I )CS7>Vx /// <summary>
V M[9!:
/// 实际事件日志写入方法
K8*QS_* /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
Z4'"* /// <param name="messageText">要记录的文本.</param>
uE:#m.Q /// </summary>
R= HN>(U private static void WriteLog(TraceLevel level, String messageText)
S|T:rc(~ {
?!(/;RU1 try
W.p->,N {
GV)#>PL EventLogEntryType LogEntryType;
e1{t qNJ switch (level)
bj`cYL% {
]!H*oP8a* case TraceLevel.Error:
:j$K.3n LogEntryType = EventLogEntryType.Error;
[ANit0-~ break;
1DcYc-k# case TraceLevel.Warning:
Y>!9P\Xe LogEntryType = EventLogEntryType.Warning;
#m
3WZ3t$ break;
"d'xT/l
" case TraceLevel.Info:
yZI4%fen LogEntryType = EventLogEntryType.Information;
ZTd_EY0 q break;
pfg"6P case TraceLevel.Verbose:
_J&u{ LogEntryType = EventLogEntryType.SuccessAudit;
rPK?pJ break;
GN{\ccej default:
)<4o"R:* LogEntryType = EventLogEntryType.SuccessAudit;
W"Dj+/uS break;
9.e?<u*-z }
n]4)~ZIAU heZ)+}U~ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
P&| = //写入事件日志
9<<$uf.B eventLog.WriteEntry(messageText, LogEntryType);
fT._Os?i ,IuO;UV#) }
YkPz ~; catch {} //忽略任何异常
Y'/` ?CK }
.^#{rk } //class ApplicationLog
'N=' B<^;% }
hX)r%v: =pWpHbB. 12.Panel 横向滚动,纵向自动扩展
/0SG <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
&{&lCBN H*|Bukgt/M 13.回车转换成Tab
Fhn883 <script language="javascript" for="document" event="onkeydown">
f&`v-kiAn= if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
)Tngtt D event.keyCode=9;
9 N=KU </script>
[gzU/: UE7P =B onkeydown="if(event.keyCode==13) event.keyCode=9"
D]y6*Ha }3:TPW5S 14.DataGrid超级连接列
@babgP, DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9 )B >|#\ g^)> -$= 15.DataGrid行随鼠标变色
<!X'- >i%q private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
G+[>or} {
aC3\Hs if (e.Item.ItemType!=ListItemType.Header)
avO+1<`4B {
)2YU| e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
pRc(>P3; e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
B>X+eK }
1sc #!^Oo }
mm#U a/~1u o~P8=1t 16.模板列
nq/xD;q <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
?0[%+AD hM <ITEMTEMPLATE>
&[cL%pP <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
w])~m1yW </ITEMTEMPLATE>
>4M_jC. </ASP:TEMPLATECOLUMN>
ieBW 0eMi eV9:AN }K= <ASP:TEMPLATECOLUMN headertext="选中">
K1:F{* <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
2SG|]= <ITEMTEMPLATE>
^0{S!fs <ASP:CHECKBOX id="chkExport" runat="server" />
m_rR e\ </ITEMTEMPLATE>
.e.vh:Sz <EDITITEMTEMPLATE>
qx0o,oZN! <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
V<4)'UI?k9 </EDITITEMTEMPLATE>
fbuop&FN+q </ASP:TEMPLATECOLUMN>
r@%32h :Yz.Bfli 后台代码
}T,E$vsx protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
p6=#LwL' {
Arp4$h //改变列的选定,实现全选或全不选。
@D"|Jq=6P CheckBox chkExport ;
[9(B;;R@ if( CheckAll.Checked)
"6KOql3 {
;SC|VcbyH foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
DvOg|XUU0 {
't)j chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
fE7WLV2I> chkExport.Checked = true;
8-?n<h%8E }
m(OBk;S~ }
k}T~N.0 else
jHz] {
M!X@-t# foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
$ @1&G~x {
`SW`d<+L chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
eHnC^W}|s chkExport.Checked = false;
H50nR$$<*Y }
+Z;0"'K'e }
+'#d*r91@ }
STOE=TC> Q ^ 39Wk@ 17.数字格式化
IwH
,g^0\ Jb
tbW&EH 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
f4tia. <%#Container.DataItem("price","{0:¥#,##0.00}")%>
n<hwstk Ue,"CQ6H int i=123456;
!h4 So4p string s=i.ToString("###,###.00");
^Ws~h\{% um8ZhXq 18.日期格式化
J7cqn j D3^v[>E2 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
T >-F~?7Sv ` j Un 显示为: 2004-8-11 19:44:28
>LLz G Q o= 我只想要:2004-8-11 】
t]&n_]`{. <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
^9{ 2 KPO((G0& 应该如何改?
lJYv2EZ \uPT-M* 【格式化日期】
6|jE3rHw 3t_5Xacj 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
X*Q7Yu
w^p2XlQ< 【日期的验证表达式】
}Ql;% 7 Ahwu'mgnC A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Tf[]vqa`G ^((\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})))?$
0>?mF]M ~~fL`" B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
WYzY#-j ^\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]))$
e4`KnHsL QB@*/Le 【大小写转换】
ome>Jbdhe HttpUtility.HtmlEncode(string);
jS- QTG!= HttpUtility.HtmlDecode(string)
eBN>|mE4N bFJn-g n 19.如何设定全局变量
x NC>m&T ;;`KkNysm Global.asax中
<_Lo3WGwc )eG&"3kFe! Application_Start()事件中
#F6ak,9S4 x
p$0J<2 添加Application[属性名] = xxx;
Ux<h`
s G?V3lQI1n 就是你的全局变量
y\)w# l3MH+o 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
wGxLs>|
4 Ip0Zf? HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
"bO] vaU7tJ: 【ASPNETMENU】点击菜单项弹出新窗口
hg&AQk Fca?'^X 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
He@= bLLa <?xml version="1.0" encoding="GB2312"?>
z>&D~0 <MenuData ImagesBaseURL="images/">
V , "'k<y <MenuGroup>
ynd}w
G' <MenuItem Label="内参信息" URL="Infomation.aspx" >
oy'+n- <MenuGroup ID="BBC">
Z:OO|x <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
KWY G\#S0] <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
rTJWftH! ......
VcL eyG.XAP 最好将你的aspnetmenu升级到1.2版
0VZj;Jg}q bpILiC 21.读取DataGrid控件TextBox值
N?Z?g_a8 foreach(DataGrid dgi in yourDataGrid.Items)
!6%mt} h {
LH8?0N[ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
i0!F tb.Text....
f_\-y&)+* }
O*PHo_&G 6]3ZUH; 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?
oF^B J8%Lm @88 efF 〖思归〗
SM<kE<q# <asp:TemplateColumn HeaderText="数量">
5C&f-* Bh <ItemTemplate>
f:SF&t* <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
}:irjeI, onkeyup="javascript:DoCal()"
|)_R
bqZ />
Rju8%FRO vP2QAGk< <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
!L_ SHlU </ItemTemplate>
I6fpXPP). </asp:TemplateColumn>
-a[{cu{ >tzXbmFp; <asp:TemplateColumn HeaderText="单价">
_7 ;^od=C <ItemTemplate>
yKI.TR# <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
V Y3{1Dlf onkeyup="javascript:DoCal()"
Yp)U'8{h c />
w~&]gyf }M9al@" <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
N'1~ wxd P(;c` </ItemTemplate>
,W-0qN&%/ </asp:TemplateColumn>
X3nhqQTZ SMFW]I2T/ <asp:TemplateColumn HeaderText="金额">
&1{k^>oz <ItemTemplate>
l1[IXw? <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
("6W.i> </ItemTemplate>
7y\g~?5N </asp:TemplateColumn><script language="javascript">
a*hThr+$M function DoCal()
X
A|`wAGP {
z,)sS<t( var e = event.srcElement;
Kd)m"9Cc var row = e.parentNode.parentNode;
ss<'g@R var txts = row.all.tags("INPUT");
abnd U,s if (!txts.length || txts.length < 3)
B,>Fh X>h return;
-Tx tX8v Mvv=)?: var q = txts[txts.length-3].value;
u^9c` var p = txts[txts.length-2].value;
t["Df;"O ^IH1@ if (isNaN(q) || isNaN(p))
qrc/Q;$ return;
cZ >W8{G L'Zud,JKg q = parseInt(q);
3c3Z"JV p = parseFloat(p);
3Y-v1.^j ;Y^RF?un txts[txts.length-1].value = (q * p).toFixed(2);
<^Tj}5)n }
m #QI*R
XP </script>
O| ]Ped9 W6T&hB 5KR|p Fq 6hK"k DeA'D| 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。
HqBPY[;s page_load
N -]PK%* page.smartNavigation=true
J36@Pf]h F* }Q^% 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 ?
a7\L-T+ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
HW726K* {
E{s|# for(int i=0;i<e.Item.Cells.Count-1;i++)
l|A8AuO*? if(e.Item.ItemType==ListItemType.EditType)
Z!reX6 {
vs|6ww e.Item.Cells.Attributes.Add("Width", "80px")
_KVB~loT }
|:+pPh!- }
i(;-n_:,` G3+a+=e 26.对话框
{Ch"zuPX private static string ScriptBegin = "<script language=\"JavaScript\">";
F |81i$R private static string ScriptEnd = "</script>";
+c`C9RXk 2TEeP7 public static void ConfirmMessageBox(string PageTarget,string Content)
K)&XQ`& {
8$U ZL string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
vw]
D{OBv* ZHlin#" ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
~#_$?_/( lMez!qx,= Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
YO$b# ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
@ ^cgq3H' //Response.Write(strScript);
[;?{BB }
)]>
'7] i b^DV9mO4J 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
BJxmW's/ &W+G{W{3 1.1 取当前年月日时分秒
G!Oq>7 currentTime=System.DateTime.Now;
!a(qqZ|s 0Y*gJ!a 1.2 取当前年
;n{j,HB int 年= DateTime.Now.Year;
w9<FX>@ f^sb0nU 1.3 取当前月
HcVs(]tIW int 月= DateTime.Now.Month;
YCBML!L rqe_zyc& 1.4 取当前日
6XL9
qb~X int 日= DateTime.Now.Day;
jQeE07g B9)qv>m 1.5 取当前时
p]|ME int 时= DateTime.Now.Hour;
OXX(OCG> 7TPLVa=hO 1.6 取当前分
a~>0JmM+N int 分= DateTime.Now.Minute;
Bj($_2M%+ soQzIx 1.7 取当前秒
n;^k int 秒= DateTime.Now.Second;
7W firRM 9Q7cUoxY 1.8 取当前毫秒
`[ ` *@O(y int 毫秒= DateTime.Now.Millisecond;
V'f5-E0 F"f}vl 28.自定义分页代码:
IA 9v1:> QqK{~I|l 先定义变量 :
]AA*f_! public static int pageCount; //总页面数
r]EZ)qp^@ public static int curPageIndex=1; //当前页面
gc:p@< Y1_6\zpA 下一页:
lPQ
Ut!xI if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
$4*E\G8 {
C+]q DataGrid1.CurrentPageIndex += 1;
x*"pDI0k) curPageIndex+=1;
?CW^*So }
P}WhE X`v79`g_ bind(); // DataGrid1数据绑定函数
FlA\Ad;v (VI* c!N 上一页:
[(P[qEY if(DataGrid1.CurrentPageIndex >0)
6dR-HhF {
9Glfi@. DataGrid1.CurrentPageIndex += 1;
9EA
!j} curPageIndex-=1;
tTh;.88Z{ }
;/^]| -anFt+f- bind(); // DataGrid1数据绑定函数
dYew7 ;0Ct\ [eh 直接页面跳转:
S}p&\w H int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
GE8D3V;*V O$umu_ if(a<DataGrid1.PageCount)
L!b0y7yR {
. I&)MZ>n this.DataGrid1.CurrentPageIndex=a;
&~JfDe9IS }
'UXj\vJ3E -G<2R"Q#N bind();
)av'u.]%c JU=\]E@8c 29.DataGrid使用:
W/ZahPPq V=zM5 MH2 添加删除确认:
-2jBs-z private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
b^l
-*4 {
;$tv8%_L[ foreach(DataGridItem di in this.DataGrid1.Items)
q~'
K9 {
Jyz$&jqyr' if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
$L&9x3+?Kg {
B[/['sD ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
LY88;*:S }
XAULD]Q }
lF}$`6 }
i h$@:^\ l;{N/cS 样式交替:
NtA|#"^ ListItemType itemType = e.Item.ItemType;
ZG\ I1 WP@JrnxO\` if (itemType == ListItemType.Item )
<;,S"e {
mp+\! e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
?Str*XA; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Rqb{)L
X* }
8T.5Mhx0jS else if( itemType == ListItemType.AlternatingItem)
#SihedWi {
1l|A[G e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
&DbGyV8d"| e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
0q>NE<L }
$kD`$L@U 5nxS+`Pn.) 添加一个编号列:
N9JgV,` DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Xx y
Bg!R DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
& L.PU@ _^xh1=Qr}n for(int i=0;i<dt.Rows.Count;i++)
|p8"9jN@}c {
DtJTnvG~B dt.Rows["number"]=(i+1).ToString();
++Ys9Y)*, }
4<3?al& eA*Jfb DataGrid1.DataSource=dt;
srChY&h?< DataGrid1.DataBind();
:9x084ESR) `3sy>GU? DataGrid1中添加一个CheckBox,页面中添加一个全选框
@^:7UI_ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Z*)y.i ` {
_sf#J|kQ foreach(DataGridItem thisitem in DataGrid1.Items)
k qY3r & {
XEUa ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
z"s%#/# }
mS)|6=Y }
J^g,jBk 0,~6TV<K 将当前页面中DataGrid1显示的数据全部删除
g@k#J"Q'[ foreach(DataGridItem thisitem in DataGrid1.Items)
,2
g M- {
/50g3?X, if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
;5Wx$Yfx {
_86*.3fQG string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
:uIi
? Del (strloginid); //删除函数
P"V{y|2 }
,.6J6{ }
}W__ffH J2oWssw" 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
I", &%0ycm [ n0##/ 在Application_Start中添加以下代码:
_@BRpLs:4 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
StdS$XW AppSettings["ConnStr"].ToString();
O7'<I|aD /+x#V!zM 31. 变量.ToString()
wzDk{4U 'Ffy8z{&3 字符型转换 转为字符串
OZ>)sL 12345.ToString("n"); //生成 12,345.00
_[$T29:8\] 12345.ToString("C"); //生成 ¥12,345.00
(/"K+$8' 12345.ToString("e"); //生成 1.234500e+004
EZ%w= 12345.ToString("f4"); //生成 12345.0000
*793H\ 12345.ToString("x"); //生成 3039 (16进制)
T]Tdx.B 12345.ToString("p"); //生成 1,234,500.00%
, N@Yk. x!"SD3r=4> 32、变量.Substring(参数1,参数2);
Bg 7j5 uXG`6|? 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
+&7[lsD*
7g A08M[O 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
LL= Z$U
$ <SCRIPT language="javascript">
?u_gXz;A <!--
#K:-Bys5v function gook(pws)
$S6HZG:N {
}XGMa?WR frm.submit();
N"Qg\PS_ }
tT@w%Sz57N //-->
E'e8&3!bx Q)LXL.0h </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
Ge^zX$.' <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
0kNe?Xi <tr>
=9qGEkd3 <td>
`2xH7a- <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
{)
:%WnM9 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
E ;BPN <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
sJ))<,e5I nabBU4;h <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
99l>CYXd <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
/~3N@J y*VQ]aJ </td>
]>R`;"(
JmU<y </tr>
g.B%#bfg "3{#d9Gs </form>
>63)z I <*s"e)XeqF 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。
^[{`q9A#d j[J5y# 下面是获取用户输入的登陆信息的代码:
YG0Px Zmi string name;
C5O5S:|' name=Request.QueryString["EmailName"];
IVI~1~ eu#,WwlG try
Zg
-]sp] {
N$\ bg|v int a=name.IndexOf("@",0,name.Length);
YCa@R!M*O f_user.Value=name.Substring(0,a);
*4<4 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
v ! 7s
M f_pass.Value=Request.QueryString["Psw"];
_GVE^yW~z }
U@Z>/ q "w}-?:# j catch
)E'Fke {
s kN9O"^A Script.Alert("错误的邮箱!");
$> "J"IX Server.Transfer("index.aspx");
k:b/Gq` }