1. 打开新的窗口并传送参数:
qTQBt} 0@AAulRl 传送参数:
d:yqj: response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
~Ch+5A; *}8t{ F@k 接收参数:
W0}B'VS.I string a = Request.QueryString("id");
puT'y string b = Request.QueryString("id1");
8mQmi` 6]-SK$ 2.为按钮添加对话框
ur$l Z0 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
[|l?2j\ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
r;m)nRu f|sFlUu& 3.删除表格选定记录
<I"S#M7-s int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
a@R]X5[O string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
xZV1k~C VWO9=A*Y| 4.删除表格记录警告
o: ;"w"G private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
0
Us5 {
Qqlup switch(e.Item.ItemType)
":_vK}5 {
2=_gf case ListItemType.Item :
f47M#UC case ListItemType.AlternatingItem :
zhf.NCSt( case ListItemType.EditItem:
O eL}EVs8= TableCell myTableCell;
Bm]8m=p myTableCell = e.Item.Cells[14];
wg w(YU LinkButton myDeleteButton ;
'R_g">B. myDeleteButton = (LinkButton)myTableCell.Controls[0];
4Fm90O myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
NB<A>baL* break;
2+X\}s1vN default:
*E{2J:` break;
\_B[{e7z }
t#2(j1 Q~T$N }
l<N}!lG| u7=U^}# 5.点击表格行链接另一页
'}$Dgp6e private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!o$!Fr c {
~s5SZK* //点击表格打开
ttu&@
= if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
7.`fJf? e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
YY!Rz[/ }
71\xCSI1w& 4t)/ 双击表格连接到另一页
AF%@VLf GI&h`X5,e 在itemDataBind事件中
e;(0(rI if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
y99mC$"Ee` {
AA7C$;Z15~ string OrderItemID =e.item.cells[1].Text;
=AuR:Tx ...
k1!@^A e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Sy
'Dp9!| }
o>VVsH G["c\Xux 双击表格打开新一页
w`5xrqt@ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Ih"XV {
cCxBzkH6 string OrderItemID =e.item.cells[1].Text;
p3^m9J ...
ynrT a.. e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
^U!0-y }
4F{70"a GP#aya ★特别注意:【?id=】 处不能为 【?id =】
ej"+:."\e 6.表格超连接列传递参数
0vw4?>Jf@ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
VTH>
o>g <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
>qF CB\( ^-
d%r 7.表格点击改变颜色
*Em,*! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
=y!$/(H {
p }~qf e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
{lc\,F* $ this.style.color=’buttontext’;this.style.cursor=’default’;");
L'kmNVvYN }
X93!bB .Fp4:
e 写在DataGrid的_ItemDataBound里
q?8|
[. if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
8#g1P4 {
BT"XT5@ e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
PAM}*' this.style.color=’buttontext’;this.style.cursor=’default’;");
^RI?ybDd e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
u`RI;KF~F }
tw9f%p l~$+,U&XNe IqoR7ajA 8.关于日期格式
HKUn`ng b"{'T]"*j 日期格式设定
N=7pK&NHSG DataFormatString="{0:yyyy-MM-dd}"
k-^mIJo} 5f 5f0|ok 我觉得应该在itembound事件中
:w^Ed%>y7 e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
#e$5d>j( *vwbgJG! * 9.获取错误信息并到指定页面
W}mn}gTQ >: g3k 不要使用Response.Redirect,而应该使用Server.Transfer
R)m'lMi| \r+8qC[, e.g
BNs@n"k // in global.asax
"9Q40w\ protected void Application_Error(Object sender, EventArgs e) {
#^ A* if (Server.GetLastError() is HttpUnhandledException)
<d$x.in Server.Transfer("MyErrorPage.aspx");
XcUwr VG
;kPzze //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
"[ZB+-|[0 }
/x
p| }xh$T'M8 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
oc >{?.^ ,1+y/{S 10.清空Cookie
)`O~f_pIC Cookie.Expires=[DateTime];
.0`m\~ L Response.Cookies("UserName").Expires = 0
!'9Feoez 9~/J35 11.自定义异常处理
<"my^ //自定义异常处理类
R[hzMU}KB
using System;
4J/}]Dr5 using System.Diagnostics;
7\ s"o&G ?b>,9A.Z namespace MyAppException
IHv[v*4: {
9^#c|
0T /// <summary>
7%|~>
/// 从系统异常类ApplicationException继承的应用程序异常处理类。
6"&6`f /// 自动将异常内容记录到Windows NT/2000的应用程序日志
"ozr+:#\ /// </summary>
t^G"f;Ra+ public class AppException:System.ApplicationException
cmU1!2.1E {
1oWED*B public AppException()
heC/\@B {
$m-2HhqZ if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
{ix?Brq/ }
9 %I?).5 %|q>pin2 public AppException(string message)
sl`s_$J {
~ls[Sl@ LogEvent(message);
g'n7T|h
~ }
S p;G'*g Vg>dI&O public AppException(string message,Exception innerException)
MS
81sN\d {
ijK"^4i LogEvent(message);
<(fRn`)PT if (innerException != null)
R?"q]af~ {
wc}5m
Hs LogEvent(innerException.Message);
E%,^Yvh/ }
FE (ev 9@ }
i/`m`qdg Vy Xhl; //日志记录类
fY51:0{ using System;
&;[Io using System.Configuration;
gv-xm using System.Diagnostics;
%4,O 2\0?& using System.IO;
pm
9"4 z using System.Text;
YA_c
N5p/@ using System.Threading;
IID-k v,-HU&/*B namespace MyEventLog
RL@VSHXc {
i%#+\F.& /// <summary>
[ 0KlC1= /// 事件日志记录类,提供事件日志记录支持
xy/`ZS2WPq /// <remarks>
{E9+WFz5 /// 定义了4个日志记录方法 (error, warning, info, trace)
mpU$+ /// </remarks>
,*&:2o_r /// </summary>
_u5#v0Y public class ApplicationLog
$0>60<J {
%7IugHH9y /// <summary>
p93r'&Q /// 将错误信息记录到Win2000/NT事件日志中
t\k$};qJ /// <param name="message">需要记录的文本信息</param>
@ hiCI.?X /// </summary>
/'l{E public static void WriteError(String message)
Eg#K.5hJ {
wnEyl[ac WriteLog(TraceLevel.Error, message);
8pIP }
YQ9'0F[l P3x= 8_# /// <summary>
'
V^6XI /// 将警告信息记录到Win2000/NT事件日志中
Q
Nh|Wz /// <param name="message">需要记录的文本信息</param>
[65`$x- /// </summary>
~962i#&4 public static void WriteWarning(String message)
:t8b39 {
@"Fme-~ WriteLog(TraceLevel.Warning, message);
j,lT>/ }
S1Wj8P- *`ua'"="k /// <summary>
n22zq6m /// 将提示信息记录到Win2000/NT事件日志中
)_syZ1j /// <param name="message">需要记录的文本信息</param>
; >hNt /// </summary>
&5fJPv & public static void WriteInfo(String message)
c'>/ {
f_jo+z{-ik WriteLog(TraceLevel.Info, message);
>z{d0{\ }
XHK<AO^ /// <summary>
}Jy8.<Gd^ /// 将跟踪信息记录到Win2000/NT事件日志中
AS'R?aX|C /// <param name="message">需要记录的文本信息</param>
/YW>*?"N /// </summary>
CrC^1K public static void WriteTrace(String message)
]@j*/IP {
%Gz0^[+ WriteLog(TraceLevel.Verbose, message);
)t0$qd ] }
Vd,jlt.t ([\ /// <summary>
0QXVW}`hz /// 格式化记录到事件日志的文本信息格式
+%T\`6 /// <param name="ex">需要格式化的异常对象</param>
Ch&a/S} /// <param name="catchInfo">异常信息标题字符串.</param>
]'!f28Ng- /// <retvalue>
0%&1\rm+j /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
@5=oeOg36 /// </retvalue>
d6}r#\ /// </summary>
D0&,? public static String FormatException(Exception ex, String catchInfo)
u]<,, {
*}F3M\ StringBuilder strBuilder = new StringBuilder();
jVv0ST*z if (catchInfo != String.Empty)
ieDk ; {
\r;#g{
_ strBuilder.Append(catchInfo).Append("\r\n");
Vwg|K| }
L[oui,}_ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
&zl|87M return strBuilder.ToString();
kO.%9wFbz }
=x%dNf$e{W 2h|MXI\g /// <summary>
b#uL?f /// 实际事件日志写入方法
@|
M|+k3 /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
@Lpq~ 1eZB /// <param name="messageText">要记录的文本.</param>
\\PjKAsh /// </summary>
$UMFNjL
private static void WriteLog(TraceLevel level, String messageText)
Ygm`ZA y {
]
bM)t< try
\rx3aJl {
*xx'@e|<; EventLogEntryType LogEntryType;
X[*<NN switch (level)
0Is,*Srr {
a]JYDq`,3 case TraceLevel.Error:
BWeA@v LogEntryType = EventLogEntryType.Error;
[pC$+NX break;
3c#BKHNC case TraceLevel.Warning:
%+@O#P LogEntryType = EventLogEntryType.Warning;
ypbe!Y<i] break;
m!|kW{B#A case TraceLevel.Info:
5L+>ewl LogEntryType = EventLogEntryType.Information;
oRm L
{UDZ break;
0LPig[ case TraceLevel.Verbose:
3QV *% LogEntryType = EventLogEntryType.SuccessAudit;
v~f HYa> break;
A;;fACF8e default:
ciFmaM. LogEntryType = EventLogEntryType.SuccessAudit;
q!{y&.&\ break;
35Ij
..z0 }
54gBJEhg 1Ce@*XBU EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
yQ_B)b //写入事件日志
r54&XE]O eventLog.WriteEntry(messageText, LogEntryType);
!POl;%\ Buf/@B7+\ }
RY]#<9>M catch {} //忽略任何异常
`>7;! }
chcbd
y>C } //class ApplicationLog
14Xqn8uOW }
6_J$UBT ^Ew]uN>, 12.Panel 横向滚动,纵向自动扩展
8UXjm_B^' <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
@)UZ@ ~R 8ZM?)#`@{ 13.回车转换成Tab
5m*iE*+ <script language="javascript" for="document" event="onkeydown">
WQ~;;.v# if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
<Y*+|T+&d event.keyCode=9;
:=}US}H$ </script>
`>gd&u j>*R]mr6 onkeydown="if(event.keyCode==13) event.keyCode=9"
k52/w)Ro,$ )bS~1n_0 14.DataGrid超级连接列
wF
IegC( DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
q$ZHd G 3+.H 15.DataGrid行随鼠标变色
"9m2/D`= private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
sNj)ZWgd> {
3*]eigi) if (e.Item.ItemType!=ListItemType.Header)
@E;=*9ek{u {
4iqoR$3Fc e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
[=E e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
&R[ Mc-2 }
-d~4A
}
?^H
`M|S _g+JA3sIJ 16.模板列
Vu)4dD! <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
|*oZ_gI <ITEMTEMPLATE>
))R5(R <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
q+Lr"&'Q </ITEMTEMPLATE>
t|H^`Cv6 </ASP:TEMPLATECOLUMN>
cQ/5qg R{WE\T ' <ASP:TEMPLATECOLUMN headertext="选中">
!Z`j2
e} <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
aUzBV\Yd} <ITEMTEMPLATE>
w&$`cD <ASP:CHECKBOX id="chkExport" runat="server" />
1_o],?Q </ITEMTEMPLATE>
gcE|#1> <EDITITEMTEMPLATE>
J,V9k[88 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
)2pbpbWX> </EDITITEMTEMPLATE>
{J{+FFsr( </ASP:TEMPLATECOLUMN>
V[{6e CpA|4'# 后台代码
qS403+Su1= protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
dq7x3v^"ZG {
bHPYp5UwN //改变列的选定,实现全选或全不选。
CUO+9X-<8 CheckBox chkExport ;
EqyeJq . if( CheckAll.Checked)
)`SES." {
!Nu<xq@! foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
o]+z)5zC {
3[\iQ*d }B chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
J{l1nHQZSu chkExport.Checked = true;
)hd@S9Z.Y }
VCu{&Sh* }
u6M.' else
LUG;(Fko {
Gn\_+Pj$ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
O!zV)^r {
bBu,#Mc chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
@PN#p"KaT chkExport.Checked = false;
g'pK }
+1Vjw'P }
CAWA3fcQp }
iocI:b< 03xa'Of> 17.数字格式化
O?NeSx1 N8!cO[3Oh 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
{s)+R[?m<o <%#Container.DataItem("price","{0:¥#,##0.00}")%>
q`|LRz&al x9$` W int i=123456;
_.>QEh5"5 string s=i.ToString("###,###.00");
k]W[` GT~)nC9f 18.日期格式化
ZtV9&rd7 ]Oh@,V8 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
<p}R~zk aHs^tPg 显示为: 2004-8-11 19:44:28
{n(b{ibl ;6gDV`Twy 我只想要:2004-8-11 】
jYx38_5e <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
-#0qV:D tna .52*/ 应该如何改?
@xQgY*f# F|F]970 【格式化日期】
$i&e[O7T; L=c!:p|7) 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
4A@NxihH 3j,Q`+l/6d 【日期的验证表达式】
A54N\x, Dakoqke A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
V7GRA#| ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
P.6nA^hXB 5 elw~u
B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
E_Im^a ^\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]))$
U3 */v4/ @*}D$}aR'V 【大小写转换】
-c(F 1l HttpUtility.HtmlEncode(string);
0FGe=$vD HttpUtility.HtmlDecode(string)
Uh.oErHQD 7bqBk,`9 19.如何设定全局变量
7]^M># (>F%UY Global.asax中
+IrLDsd aF)1Nm[ Application_Start()事件中
GRGzP&}@ ^sa#8^,K 添加Application[属性名] = xxx;
jL(qf~c_ :Nu^ 就是你的全局变量
M54j@_81pX H:!7: 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
>G);j@Q g1XZ5P} f HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
zEs>b(5u 3l)h yVf& 【ASPNETMENU】点击菜单项弹出新窗口
ipQLK{]t I3
.x9 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
KQacoUHrK? <?xml version="1.0" encoding="GB2312"?>
e:DkGy`-s <MenuData ImagesBaseURL="images/">
&L#UGp$, <MenuGroup>
.zS?9MP <MenuItem Label="内参信息" URL="Infomation.aspx" >
8*8Zc/{ <MenuGroup ID="BBC">
pF&(7u <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
pcau}5 . <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
JmPHAUd ......
b}0,\B% d_4T}%q 最好将你的aspnetmenu升级到1.2版
Vm%1> '& $P>`m$(8 21.读取DataGrid控件TextBox值
${+ @gJ+S foreach(DataGrid dgi in yourDataGrid.Items)
cU0s
p {
9[1`jtm TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
3mYiQ2 tb.Text....
gfsI6/Y }
EG0WoUX| u1t%(_h 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?
$SM#< @ $tz;<M7B 〖思归〗
XID<(HBA"! <asp:TemplateColumn HeaderText="数量">
|3F02 <ItemTemplate>
A6GE,FhsG <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
cU ?0(z7 onkeyup="javascript:DoCal()"
M(jgd />
GN-mrQo fNb`X <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
"J+3w </ItemTemplate>
$wmvKQc{lx </asp:TemplateColumn>
>2~+.WePu "
Om[~-31 <asp:TemplateColumn HeaderText="单价">
Y3r%B9~ <ItemTemplate>
@Gx.q&H <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
1c<=A!"{ onkeyup="javascript:DoCal()"
ZX5 xF<os8 />
.jS~By|r #k_HN}B <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
$Z|ffc1 F_Y7@Ei/ </ItemTemplate>
f` :i.Sr </asp:TemplateColumn>
/J04^6 ,S'p%g <asp:TemplateColumn HeaderText="金额">
XEn*?.e <ItemTemplate>
D<8HZ%o <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
AK\$i$@6 </ItemTemplate>
+|bmT </asp:TemplateColumn><script language="javascript">
AgV G`q function DoCal()
>y.%xK {
(WK&^,zQn var e = event.srcElement;
'3TW [!m var row = e.parentNode.parentNode;
`9)t[7 var txts = row.all.tags("INPUT");
Z-E`> if (!txts.length || txts.length < 3)
*GxTX3i}vc return;
jov:]Bic }| J79s2M var q = txts[txts.length-3].value;
{Z3dF)> var p = txts[txts.length-2].value;
|~'IM3Jw(Y M@4UGM`J if (isNaN(q) || isNaN(p))
JL\w_v return;
g)s{IAVx Eq$&qV-?( q = parseInt(q);
@fs`=lL/ p = parseFloat(p);
}Z{=|rVE 1QmH{jM txts[txts.length-1].value = (q * p).toFixed(2);
j7sKsbb }
0G7K8`a </script>
u}!@ ,/) 'd+NVj{C bHg,1y)UC 8>X d2X dDm):Z*`b 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
)\6&12rj page_load
X5X?&* %{ page.smartNavigation=true
OH5>vV'i Lb;zBmwB 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
N@O8\oQG private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
p"l3e9&'j {
ZKQG:M~| for(int i=0;i<e.Item.Cells.Count-1;i++)
@;<ht c if(e.Item.ItemType==ListItemType.EditType)
jV?
}9L^; {
PQK(0iCo4 e.Item.Cells.Attributes.Add("Width", "80px")
k]5Bykf`Ky }
SVv;q?jZ }
TJ:]SB h~(G$':^ 26.对话框
krsYog(^z private static string ScriptBegin = "<script language=\"JavaScript\">";
M7ers|&{ private static string ScriptEnd = "</script>";
~_Lr=C D;4 R2(3>`FJ public static void ConfirmMessageBox(string PageTarget,string Content)
S,<EEtXQ {
UJfEC0 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
YqPQ%
;]gP@ h/ ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
uiJS8(Cb g.'yZvaP Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
fv`O4 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
taFn![}/!g //Response.Write(strScript);
87:!C5e} }
5B&;uY C?i >.t 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
D\[h:8k :um|nRwy9 1.1 取当前年月日时分秒
X{we/'> currentTime=System.DateTime.Now;
6B@CurgB YO}1(m 1.2 取当前年
hGbj0 int 年= DateTime.Now.Year;
>.'<J] \MjJ9u `8 1.3 取当前月
NPd%M int 月= DateTime.Now.Month;
=JKv:</.G mt5KbA>nU 1.4 取当前日
/9zE^YcT int 日= DateTime.Now.Day;
V5GW:QT Ma8_:7`>O 1.5 取当前时
0pJ
":Q/2) int 时= DateTime.Now.Hour;
v.:3"<ur} TQ`Rk;0R 1.6 取当前分
LJOr!rWi int 分= DateTime.Now.Minute;
UTf9S>HS #]#sGmW/L 1.7 取当前秒
"TUe%o int 秒= DateTime.Now.Second;
H|ER
srYJp^sC 1.8 取当前毫秒
^bc;[x&N int 毫秒= DateTime.Now.Millisecond;
c%[#~;E KN?6;G{ 28.自定义分页代码:
W - Mz1G5xcl 先定义变量 :
?V}j`r8|\4 public static int pageCount; //总页面数
_UT$,0u_i public static int curPageIndex=1; //当前页面
^2$ lJ ^=:9)CNw( 下一页:
*;m5'}jsy if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
:.?gHF.? {
om |"S DataGrid1.CurrentPageIndex += 1;
: C b&v07 curPageIndex+=1;
AgRjr"hF*e }
1fo
U rp6q?3=g bind(); // DataGrid1数据绑定函数
j6 >IX/<
{);M 上一页:
vjQb%/LWl if(DataGrid1.CurrentPageIndex >0)
?Q-h n:F) {
mk3_ DataGrid1.CurrentPageIndex += 1;
/;tPNp{!dw curPageIndex-=1;
wWSdTLX }
K{ \;2M k6Uc3O bind(); // DataGrid1数据绑定函数
u~3%bJ] vk>b#%1{ 直接页面跳转:
~}!3G int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
GEEW?8 uA$<\fnz if(a<DataGrid1.PageCount)
m85WA
#
` {
?x+Z)`w_ this.DataGrid1.CurrentPageIndex=a;
O/.Uh`T`6 }
H)aQ3T4N5 etoo
#h"]1 bind();
kl"+YF5/ "*;;H^d 29.DataGrid使用:
/sr 2mt-Q u(OW gbA3 添加删除确认:
eL4NB$Fb private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
2_ :n {
P\]B< foreach(DataGridItem di in this.DataGrid1.Items)
70lfb` {
U,+[5sbo if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
v^ /Q 8Q {
.AYj'Y ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
Wm H~m k" }
F q!fWl }
y!5$/`AF }
(ewe"N+ kPQtQh]y% 样式交替:
}U
SC1J ListItemType itemType = e.Item.ItemType;
dJv!Dts')C 'S2bp4G if (itemType == ListItemType.Item )
K"uNxZ {
->h6j e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
? tfT8$ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
cgb2K$B_" }
i 9g>9 else if( itemType == ListItemType.AlternatingItem)
_;4 [Q1 {
n39t}`WIl e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
*=fr8 e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
2DB7+aZ* }
:5/Uh/sX 2 o#,kGd 添加一个编号列:
4O:W#bx DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
sz @p_Z/ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
A<\JQ A/7X9ir for(int i=0;i<dt.Rows.Count;i++)
(_4;') 9 {
H"Klj_<dH0 dt.Rows["number"]=(i+1).ToString();
wBQF~WY }
* ,v|y6 i5>+}$1 DataGrid1.DataSource=dt;
hky;CD~$ DataGrid1.DataBind();
S!PzLTc +dBz`WD DataGrid1中添加一个CheckBox,页面中添加一个全选框
/T,Z>R private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
RUr=fEH {
DAg58
=qJ foreach(DataGridItem thisitem in DataGrid1.Items)
-k(CJ5H9 {
7 ~ztwL ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
+fx8muz:y }
}Z
TGi,Pc }
Fkf97Oi &20P,8@ 将当前页面中DataGrid1显示的数据全部删除
N)S!7%ne foreach(DataGridItem thisitem in DataGrid1.Items)
341?0%= {
0wFH!s/B if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
#q3l!3\mW {
k z"3ZDR string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Y%|@R3[Nk Del (strloginid); //删除函数
eUl/o1~mXa }
l{VSb92f }
'xv8Gwf" kAM1TWbaVQ 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)
QQe;1O N$TL;T> 在Application_Start中添加以下代码:
KOg?FmD Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
f'q 28lVf AppSettings["ConnStr"].ToString();
:K?0e` p"*y58 31. 变量.ToString()
`.#@@5e YpUp@/" 字符型转换 转为字符串
zq1mmFIO 12345.ToString("n"); //生成 12,345.00
\V2,pi8'v 12345.ToString("C"); //生成 ¥12,345.00
-Q;#sJ? 12345.ToString("e"); //生成 1.234500e+004
=e><z9hY 12345.ToString("f4"); //生成 12345.0000
4yaxl\2 12345.ToString("x"); //生成 3039 (16进制)
*2}O-e 12345.ToString("p"); //生成 1,234,500.00%
;eigOU] eQO#Qso] 32、变量.Substring(参数1,参数2);
.+y>8h3{ Wk^RA_ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
mL~z~w*s m-T~fJ 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Q,Z*8FH= <SCRIPT language="javascript">
`(0LK%w <!--
bXYA5wG function gook(pws)
h{lDxOH* {
44\>gI< frm.submit();
7@a 0$coP }
`>D9P_Y"jI //-->
7%OKH<i\2< 9Q W&$n^ </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
*m+5Pr`7 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
U-0#0} _ <tr>
HNa]H;-+5 <td>
NYABmI/0c <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
^*R(!P^ <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
9umGIQHnil <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
>EXb|vw
v&g0ta@ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
-~)OF <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
E?PGu!&u .Qt4&B </td>
PiLJZBUv 5/m$)wE </tr>
<-UOISyf J
NC </form>
n,P5o_^: iy\KzoB 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。
N0n^L|(R /T0nLp`gi 下面是获取用户输入的登陆信息的代码:
K#K\-TR|$ string name;
Aox3s? name=Request.QueryString["EmailName"];
e=/&(Y 0;~yZ?6_F try
dMl+ko {
tJ&5tNl int a=name.IndexOf("@",0,name.Length);
A%Z)wz{ f_user.Value=name.Substring(0,a);
7s'- +~ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
km:nE: | f_pass.Value=Request.QueryString["Psw"];
H L<s@kEZ }
tn/T6C^) <XQ.A3SG! catch
HTz+K6& {
c\cZ]RZ Script.Alert("错误的邮箱!");
TUp%FJXA| Server.Transfer("index.aspx");
f?Bj _z }