1. 打开新的窗口并传送参数:
EQ>bwEG /=\__$l) 传送参数:
!`='K
+ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
+-#| M|a }h>e=< 接收参数:
$hO8
S = string a = Request.QueryString("id");
qD#-q vn string b = Request.QueryString("id1");
'F+O+-p+ 9bXU!l[ 2.为按钮添加对话框
}~-)31e'` Button1.Attributes.Add("onclick","return confirm(’确认?’)");
\'"q6y button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
-zz9k=q ][bz5aV 3.删除表格选定记录
_ #l b\ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Xb3vvHdI string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
eeb8v:4 #
dxlU/* 4.删除表格记录警告
g m], private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
s:cS 9A8 {
0tB9X9 :, switch(e.Item.ItemType)
Zk}e?Grc {
rsP-?oD8) case ListItemType.Item :
2#1FI0,Pa* case ListItemType.AlternatingItem :
$X~=M_W case ListItemType.EditItem:
=W ! m` TableCell myTableCell;
lLtC9: myTableCell = e.Item.Cells[14];
^O\tN\g;c LinkButton myDeleteButton ;
aM.l+DP myDeleteButton = (LinkButton)myTableCell.Controls[0];
foE2rV/Y myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
:ykZ7X& break;
i`8!Vm default:
:eQxdi' break;
/IV:JVT }
x)vYc36H {Rw~G&vQ }
8gBqur{ _I|wp<R 5.点击表格行链接另一页
?67j+) private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
|_[mb(<| {
uNhAfZ //点击表格打开
ieS5*@^k if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
eB$v'9S8/ e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
~w[zX4@ }
",8h>eEWK ;{Z2i% 双击表格连接到另一页
n7<<}wcV 6o A0a\G' 在itemDataBind事件中
9R;s;2$. if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
`(B1 "qRi {
7P|(j<JX6' string OrderItemID =e.item.cells[1].Text;
S8,+6+_7 ...
`O}.
.N]g e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
<6L$:vT_ }
{/0,lic <!OP b(g2 双击表格打开新一页
tg8VFH2q.z if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
1NOz $fW {
[sNn^x string OrderItemID =e.item.cells[1].Text;
S-f3rL[? ...
}.b[a z\T e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
H V }
6lWO8j^BN i,yK&*>JJ ★特别注意:【?id=】 处不能为 【?id =】
MB "?^~Sm 6.表格超连接列传递参数
Va*Uwy?x/) <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
s9[v_(W <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
.=@M>TZM dqKTF_+VhA 7.表格点击改变颜色
bh7 1Zu if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
& vLX {
w@%W{aUC e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
;:$Na= this.style.color=’buttontext’;this.style.cursor=’default’;");
":-)mfgGU }
~C!vfPC
0U/:Tpyr 写在DataGrid的_ItemDataBound里
*iC
t4J if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
B-&J]H {
Cq(Xa- e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
dNJK[1e6 this.style.color=’buttontext’;this.style.cursor=’default’;");
<&L;9fr e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
=v;-{oN! }
ZA9']u%EJ W>DpDrO4ml +j@|D@z 8.关于日期格式
U.^)|IHW h;ShNU 日期格式设定
|[{;*wtv DataFormatString="{0:yyyy-MM-dd}"
,<vrDHR %ri4nKGS 我觉得应该在itembound事件中
40c#zCE e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
xd .I5 O5=ggG
9.获取错误信息并到指定页面
QOF;j#H^ M3t_!HP}! 不要使用Response.Redirect,而应该使用Server.Transfer
UxS;m4 o"]eAQ e.g
=AKW(v // in global.asax
^g[])2", protected void Application_Error(Object sender, EventArgs e) {
,^<+5TYM7 if (Server.GetLastError() is HttpUnhandledException)
HRb_ZJz Server.Transfer("MyErrorPage.aspx");
Txfb-f!mv\ a<Ns C1 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
FQ-(#[ }
]nQ$:%HP rL,)Tc|" Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
YwF6/JA0^ (%P* rl 10.清空Cookie
`r iv`+J{s Cookie.Expires=[DateTime];
@Op8^8$` Response.Cookies("UserName").Expires = 0
VG8rd'Z O\D({> 11.自定义异常处理
|@@mq!>- //自定义异常处理类
./fEx
'E using System;
C3b'Q using System.Diagnostics;
y\S7oD(OR bL&]3n9Rwu namespace MyAppException
)Xh_q3= {
5PPy+36<~ /// <summary>
AngECkF- /// 从系统异常类ApplicationException继承的应用程序异常处理类。
-pD&@Wlwak /// 自动将异常内容记录到Windows NT/2000的应用程序日志
`?D_=Gw /// </summary>
mhVoz0%1X public class AppException:System.ApplicationException
@"/}Al {
KqSa"76R public AppException()
Q./lX: {
$@Ay0GEI" if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
`-/l$A}
U }
qA~D*= 1tr>D:c\ public AppException(string message)
XeB>V.<y {
(Dar6>! LogEvent(message);
NF1D8uI }
o6y,M!p@ y(]|jRo public AppException(string message,Exception innerException)
dH/t|.% {
b #^aM LogEvent(message);
1`}fbX;"m) if (innerException != null)
EU@mrm? {
<zf+Ii1:, LogEvent(innerException.Message);
y="SzPl }
N*SgP@Bt }
/SUV'J) nM; G;
T //日志记录类
x ?V/3zW using System;
nfJ8Rt
using System.Configuration;
3'"M31iA using System.Diagnostics;
op|mRJBq; using System.IO;
~4>Xi*
B using System.Text;
{4QOUqA u using System.Threading;
<{U{pCT% Fm;)7.%
> namespace MyEventLog
@\DD|o67 {
J@GfO\
o /// <summary>
) ]%9Tgn /// 事件日志记录类,提供事件日志记录支持
`JE>GZY /// <remarks>
0o<qEo^ /// 定义了4个日志记录方法 (error, warning, info, trace)
5i/E=D /// </remarks>
-PnC^r0L$ /// </summary>
NqZRS>60v public class ApplicationLog
$&C(oh$: {
q%k+x) /// <summary>
TN
%"RL /// 将错误信息记录到Win2000/NT事件日志中
bSr 'ji /// <param name="message">需要记录的文本信息</param>
6oP{P_Pxi /// </summary>
Z M+Hb_6f public static void WriteError(String message)
tRy
D@} {
ZmULy;{<) WriteLog(TraceLevel.Error, message);
`Q&]dE= }
&1p8#i +r0eTP=zf /// <summary>
VRX"
@uCD /// 将警告信息记录到Win2000/NT事件日志中
bS<@Rd{g /// <param name="message">需要记录的文本信息</param>
Jrk^J6aa /// </summary>
}R1`ThTM public static void WriteWarning(String message)
2ZO'X9 {
+^J-'7Vt WriteLog(TraceLevel.Warning, message);
vaj66nV }
IPO[J^#Me O8r"M8 /// <summary>
2\w=U,;( /// 将提示信息记录到Win2000/NT事件日志中
8`G{1lr4o /// <param name="message">需要记录的文本信息</param>
30_un /// </summary>
MA+-2pMc|7 public static void WriteInfo(String message)
^-IsK#r.k {
{}pqxouE WriteLog(TraceLevel.Info, message);
kppRQ Q*[ }
~B&*7Q7 /// <summary>
pIu H*4Vz /// 将跟踪信息记录到Win2000/NT事件日志中
m IzBK]@^ /// <param name="message">需要记录的文本信息</param>
%<?ciU /// </summary>
w`}9/s;$ public static void WriteTrace(String message)
s1vrzze {
v\Y}(fD WriteLog(TraceLevel.Verbose, message);
TJXraQK-= }
e_=pspnZ Z02s(y=k1 /// <summary>
16QbB; /// 格式化记录到事件日志的文本信息格式
z`/.v&<>V /// <param name="ex">需要格式化的异常对象</param>
#Q3PzDfj /// <param name="catchInfo">异常信息标题字符串.</param>
RW7oL:$dt /// <retvalue>
c[ony:6 /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
u7"VeTz /// </retvalue>
Tj=dL /// </summary>
_GO+fB/Q1 public static String FormatException(Exception ex, String catchInfo)
u`pROd/ R5 {
8A:^K:Q StringBuilder strBuilder = new StringBuilder();
%%~}Lw if (catchInfo != String.Empty)
*>'2$me= {
cHL]y0> strBuilder.Append(catchInfo).Append("\r\n");
hRr1#'& }
Y_@"v#, strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
A$~xG( return strBuilder.ToString();
=u8D!AxT }
$W$# CTM ZB[(Tv1 /// <summary>
T@|l@xm~L /// 实际事件日志写入方法
;:Z=%R$wJ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
^ L^F=q x /// <param name="messageText">要记录的文本.</param>
Ao":9r[V /// </summary>
)M'UASB;8 private static void WriteLog(TraceLevel level, String messageText)
~"0@u {
_~[?>cF% try
JT|u;Z*n {
?{: D,{+ EventLogEntryType LogEntryType;
HRV*x!|I switch (level)
Yu^H*b {
ufCqvv>' case TraceLevel.Error:
u:k:C LogEntryType = EventLogEntryType.Error;
^%8qKC`Tt break;
y-# case TraceLevel.Warning:
"XNu-_$N<a LogEntryType = EventLogEntryType.Warning;
=#(0)p$EC break;
i7nL_N case TraceLevel.Info:
D;zWksq LogEntryType = EventLogEntryType.Information;
*v
rWA break;
zBt`L,^ case TraceLevel.Verbose:
D#7_TKX LogEntryType = EventLogEntryType.SuccessAudit;
,?k%jcR break;
5#0e={X default:
Ud#X@xK<h LogEntryType = EventLogEntryType.SuccessAudit;
T^$g N| break;
<jUrE[x }
>`89N'lZBm MCeu0e^) EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
@8nLQh^ //写入事件日志
qWO]s=V! eventLog.WriteEntry(messageText, LogEntryType);
wn+j39y?ZY
j/9WOIfa }
t'R':+0Vf catch {} //忽略任何异常
t<sNc8x }
SFn 3$ rh } //class ApplicationLog
8?7kIin }
3Q"F(uE v^ a*Ss -y 12.Panel 横向滚动,纵向自动扩展
RzS|dGNQE <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
bar0{!Y" 5g``30:o 13.回车转换成Tab
WRD
A ` <script language="javascript" for="document" event="onkeydown">
[5Fd P0 if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
>?5xDbRj event.keyCode=9;
fw' r. </script>
MBB5wj r219M)D? onkeydown="if(event.keyCode==13) event.keyCode=9"
dL_QX,X-] =4tO0 14.DataGrid超级连接列
c^=R8y-N DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
EZ"bW {'h_'Y`bOQ 15.DataGrid行随鼠标变色
;1W6"3t-Y private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
$Z;B QJVH {
g5#CN:%f if (e.Item.ItemType!=ListItemType.Header)
Gg%tVQu {
fcRj e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
X>8-`p e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
M$Fth*q{GD }
MO[kr2T }
$!G` D= 9Ct_$.Q. 16.模板列
Xb}!0k/{ <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
qy_%~c87 <ITEMTEMPLATE>
o+<29o <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
i&`!|X-=R </ITEMTEMPLATE>
2sKG(^=Z </ASP:TEMPLATECOLUMN>
.^i<xY pW\z\o/2 <ASP:TEMPLATECOLUMN headertext="选中">
4\M8BRuE <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
*URdd,){i <ITEMTEMPLATE>
eZg$AOpU <ASP:CHECKBOX id="chkExport" runat="server" />
EeCFII </ITEMTEMPLATE>
v&fGCD\R <EDITITEMTEMPLATE>
H]s4% 9T <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
W h| L </EDITITEMTEMPLATE>
7*i}km </ASP:TEMPLATECOLUMN>
!@u&{"{` Sx8l<X 后台代码
&p5&=zV} protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
HZ
}6Q {
%>Bko,ET //改变列的选定,实现全选或全不选。
AD]e0_E CheckBox chkExport ;
+?;j&p if( CheckAll.Checked)
{h#6z>p"u2 {
_J,xT foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
flG=9~qcGQ {
9e~WK720= chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Z_FNIM0f chkExport.Checked = true;
c/
_yMN }
-vV'Lw( }
3DW3LYo{ else
BCx!0v?9 {
`<^*jB@P foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
u_.HPA {
]:&n-&@L chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
^'vIOq-1v chkExport.Checked = false;
&<Mt=(qY1 }
'[nmFCG%m* }
wcZbmJ: }
H"+wsM^@ exQ#<x* 17.数字格式化
&]< 3~6n O)uOUB 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
66Gx.tE <%#Container.DataItem("price","{0:¥#,##0.00}")%>
vU!8`x) Z:@6Lv?CN int i=123456;
_gW{gLYyJ string s=i.ToString("###,###.00");
)lh8
k{ tMFsA`ng 18.日期格式化
h4(JUio *69c-`o 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
R)+t]} "jR]MZ 显示为: 2004-8-11 19:44:28
zDDK P16YS8$ 我只想要:2004-8-11 】
)~V}oKk0t <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
5Z{_m;I. <Ct_d
Cc 应该如何改?
(#o t^ !v9lk9SV 【格式化日期】
)TU<:V h*Je35
取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
tPU-1by$ T%(C-Quh 【日期的验证表达式】
\"x>JW4w :)IV!_>'d A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
(a.1M8v+Sg ^((\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})))?$
)eYDQA>J ewnfeg1 B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
rbyY8
bX ^\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]))$
&[_ZXVva~ P~RhUKfd 【大小写转换】
aMTFW_w HttpUtility.HtmlEncode(string);
C>X|VP|C HttpUtility.HtmlDecode(string)
.9h)bf+ *Qkc[XHqy 19.如何设定全局变量
=eBmBn z/ 7$NxJH Global.asax中
3;_
n{& >A}0Ho Application_Start()事件中
LA4<#KP ;`(R7X
*3 添加Application[属性名] = xxx;
MBw-*K'?zB CPviR<ms_ 就是你的全局变量
NTmi 2c WUEHB 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
dMvp&M\\' nY_?Jq HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
VWi2(@R^
!tNd\}@ 【ASPNETMENU】点击菜单项弹出新窗口
T3N"CUk ONX8}Ob~ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
+e P.s_t <?xml version="1.0" encoding="GB2312"?>
por/^=e{Y <MenuData ImagesBaseURL="images/">
cozXb$bBY <MenuGroup>
_xrwu;o0} <MenuItem Label="内参信息" URL="Infomation.aspx" >
,9of(T(~ <MenuGroup ID="BBC">
:243 H <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
~R]35Cp-# <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
"A3dvr ......
)TJS4? }Qr6l/2 最好将你的aspnetmenu升级到1.2版
x83a!9 )oU)}asY 21.读取DataGrid控件TextBox值
W5pb;74| foreach(DataGrid dgi in yourDataGrid.Items)
^Q.,\TL01 {
PaO-J&< TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
qlsQ|/'D tb.Text....
O1P=#l iYX }
qOy=O
[+9 j9R6ta3\l 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?
`tEo]p mdbp8,O 〖思归〗
+?m0Q;%b <asp:TemplateColumn HeaderText="数量">
jz'< <ItemTemplate>
6bO~/mpWT~ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
a~]bD onkeyup="javascript:DoCal()"
'g)n1 { />
+K~NV?c ^,8R,S\}$ <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
\Kavw </ItemTemplate>
^G1%6\We </asp:TemplateColumn>
Yu3zM79'k ~i~%~doa <asp:TemplateColumn HeaderText="单价">
@jy41eIo <ItemTemplate>
m:+8J,jW <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
gfa[4
z onkeyup="javascript:DoCal()"
Q2|p\rO />
_\8qwDg"#e Pbu{'y3J <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
v?:: |{ kH948<fk3 </ItemTemplate>
9X}I> </asp:TemplateColumn>
G"dS+,Q r[txlQI9 <asp:TemplateColumn HeaderText="金额">
ZKpvDH' <ItemTemplate>
y9l*m~ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
O4iC]5@ </ItemTemplate>
rN/|(@ </asp:TemplateColumn><script language="javascript">
:aAEJ function DoCal()
`#mK*Buem} {
oG oK, var e = event.srcElement;
Shr,#wwM`B var row = e.parentNode.parentNode;
FnFb[I@eu var txts = row.all.tags("INPUT");
'LE"#2Hu if (!txts.length || txts.length < 3)
';B#Gx return;
,&^3Z ,)FdRRj var q = txts[txts.length-3].value;
aA'TD:&p1 var p = txts[txts.length-2].value;
s5&@Cxzl `~BZ1)@ if (isNaN(q) || isNaN(p))
,e722wz return;
NH A 5e< b1#dz] q = parseInt(q);
e [h8}F p = parseFloat(p);
UUe#{6Jx_ eU@Cr7@,| txts[txts.length-1].value = (q * p).toFixed(2);
iq$$+y, }
,m3e?j@;r </script>
PmpNAVE' z+{,WHjo <Zb/ cre;P5^E 7[#yu 2 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。
A^ \.Z4=d" page_load
4u;9J*r4 page.smartNavigation=true
Kv&g5&N, YIRZ+H<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 ?
(N-RIk73/O private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
=uHnRY {
}yn0IWVa for(int i=0;i<e.Item.Cells.Count-1;i++)
kRJ4-n^@>< if(e.Item.ItemType==ListItemType.EditType)
g=L]S-e {
56lCwXCgA e.Item.Cells.Attributes.Add("Width", "80px")
YY((#"o;l }
D/y bFk }
[lzN !!B! H6*^Ga 26.对话框
H`hnEOyLp private static string ScriptBegin = "<script language=\"JavaScript\">";
xM >W2 private static string ScriptEnd = "</script>";
_gj&$zP \>. LW9 public static void ConfirmMessageBox(string PageTarget,string Content)
1/+C5Bp* {
{$D,?V@%_ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
>et-{(G *iO u' ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
en S}A*Io s8"8y`u Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
N?Q+> ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
yF}OfK?0f //Response.Write(strScript);
))kF<A_MK }
zG }? f"G- 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
CvSIV7zYo 8`>h}Q$ 1.1 取当前年月日时分秒
5zJj]A currentTime=System.DateTime.Now;
^FmU_Q0 >eQr<-8 1.2 取当前年
^|~mlY@w int 年= DateTime.Now.Year;
H<hVTc{K !3n)|~r;K 1.3 取当前月
@}p2aV59 int 月= DateTime.Now.Month;
(tah]Bx w27KI]%( 1.4 取当前日
}U ~6^2 ., int 日= DateTime.Now.Day;
wcSyw2D }0#U;_;D 1.5 取当前时
r`y ezbG int 时= DateTime.Now.Hour;
- O98pi >2$5eI 1.6 取当前分
QZp6YSz.4 int 分= DateTime.Now.Minute;
@+vXMJ $ >WJf=F`_H 1.7 取当前秒
)UgX3+@ int 秒= DateTime.Now.Second;
,u }XWV ^H{R+} 1.8 取当前毫秒
(/!r(#K0,' int 毫秒= DateTime.Now.Millisecond;
,[S+T.Cu ~LJY6A@y 28.自定义分页代码:
:P,sxDlG) O<PO^pi 先定义变量 :
6vuq1 public static int pageCount; //总页面数
[Aj Q#;#Q public static int curPageIndex=1; //当前页面
LZJA4?C Ee)[\Qjn 下一页:
=L%DX#8 if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
FMNm,O] {
)[H{yQ DataGrid1.CurrentPageIndex += 1;
OaJB=J% curPageIndex+=1;
_It ,%<3 }
_\Q^x)w6 t"hYcnC bind(); // DataGrid1数据绑定函数
KoE8Mp T{V/+RM 上一页:
8`4<R6]LKB if(DataGrid1.CurrentPageIndex >0)
M` q?Fk {
E J$36 DataGrid1.CurrentPageIndex += 1;
1c3TN#|)W curPageIndex-=1;
>_rha~ }
N8qDdr9p?c )vmA^nU> bind(); // DataGrid1数据绑定函数
V@>r*7\F IdYzgDH 直接页面跳转:
] h-,o
R?e int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
q)H1pwxD u p.Q>28r if(a<DataGrid1.PageCount)
l Z#o+d2Y {
/V3=KY`_J this.DataGrid1.CurrentPageIndex=a;
F:*W5xX }
sK{l 9 +iRq8aS_
bind();
1(|D'y# 4&8Gr0C 29.DataGrid使用:
P\8@g U!uk FX9F"42@ 添加删除确认:
SH*C" private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
:[ k4Z]t8 {
+k
dT(7 foreach(DataGridItem di in this.DataGrid1.Items)
(P&4d~)m {
W_m"ySQs if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
g{W;I_P^9 {
x~.:64 ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
wi9DhVvc 0 }
0ye!R
}
4}` }
.sQ=;w/ZA R[49(>7H4 样式交替:
d,8mY/S>w ListItemType itemType = e.Item.ItemType;
e[sK@jX6 |
8qBm if (itemType == ListItemType.Item )
bSVlk` {
:2njp% e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
e]jH+IR:> e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Bo<>e~6P }
R!l:O=[< else if( itemType == ListItemType.AlternatingItem)
XU+<?%u}z {
vG \a1H e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
SQeRSz8bK4 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
YF+n
b.0. }
dw.F5?j`b Wf{O[yL* 添加一个编号列:
V([~r, DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
P&Pj>!T5
DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
mv5n4mav yLsz8j-QJ for(int i=0;i<dt.Rows.Count;i++)
V5p=
mmnA, {
:>p8zG dt.Rows["number"]=(i+1).ToString();
h3T9"w[ }
W8lx~:v 0IQ'3_ DataGrid1.DataSource=dt;
{.yStB.T DataGrid1.DataBind();
]xguBh ] E*# ]** DataGrid1中添加一个CheckBox,页面中添加一个全选框
?$e9<lsQq) private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
VUI|.76g {
tzy'G"P| foreach(DataGridItem thisitem in DataGrid1.Items)
)xb|3&+W {
%,hV[[ @. ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
aR,}W\6M }
TYI7<-Mp:[ }
>vuY+o;B e"
]2=5g 将当前页面中DataGrid1显示的数据全部删除
%cE2s` foreach(DataGridItem thisitem in DataGrid1.Items)
^<LY4^ {
R\XKMF3mN3 if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
Cgz D$`~ {
y^]tahbo string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
u_7~TE3W Del (strloginid); //删除函数
8foJ I^3 }
YC_1Ks }
&Wf3~hmo >5Wlc$bc 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)
SZJ$w-<z z<.?x%4O 在Application_Start中添加以下代码:
Mwgu93? Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
lo'W1p AppSettings["ConnStr"].ToString();
q5>v'ZSo = waA`Id 31. 变量.ToString()
~tOAT;g}q Q[+ac*F=Y 字符型转换 转为字符串
31EyDU,W 12345.ToString("n"); //生成 12,345.00
RZ1
/#; 12345.ToString("C"); //生成 ¥12,345.00
Fu^^i& 12345.ToString("e"); //生成 1.234500e+004
t%530EB3 12345.ToString("f4"); //生成 12345.0000
)P7)0c 12345.ToString("x"); //生成 3039 (16进制)
E9V5$ 12345.ToString("p"); //生成 1,234,500.00%
%T7nO %p Jv.UQ 32、变量.Substring(参数1,参数2);
#z1H8CFL" 5MzFUv0) 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);
uUKcB: 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)
8p-=&cuo\@ <SCRIPT language="javascript">
H5D*|42 <!--
-48vJR*tC function gook(pws)
vP+@z-O {
n ]dL?BJ frm.submit();
^Q&u0;OJ }
~q&pF"va8 //-->
!45.puL0 7bDHXn </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
wu"&|dt <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
b=3H <tr>
_,</1~. <td>
nNXgW <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
`Y?87f:SP <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
<, 3ROo76 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
'_b.\_s-d %7O?JI[ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
uIU5.\"s <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
ki>~H!zB #2iD'>bQ </td>
wp7!>%s{ xUfbW;;]UU </tr>
)/t?!T.[ 5s?Hxn </form>
eSW{Cb K!,<7[MBg 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。
U?.9D ^fz+41lE\ 下面是获取用户输入的登陆信息的代码:
L],f3< string name;
S(:l+JP name=Request.QueryString["EmailName"];
:6q]F<oK .UoOO'1K try
ZIdA\_c {
fb da int a=name.IndexOf("@",0,name.Length);
LSQz"Ll
l f_user.Value=name.Substring(0,a);
TY(bPq f_domain.Value=name.Substring(a+1,name.Length-(a+1));
r]ShZBAbYp f_pass.Value=Request.QueryString["Psw"];
xJ2*LM- }
Ma|qHg tTU=+*Io catch
P9T5L<5 {
.Yw'oYnS Script.Alert("错误的邮箱!");
F ]O$(7* Server.Transfer("index.aspx");
Su 5>$ }