1. 打开新的窗口并传送参数:
MOQ6: -{KQr1{5UM 传送参数:
CLxynZ\ ; response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Bm:98? [ 1m'k|Ka 接收参数:
On8v//=& string a = Request.QueryString("id");
"x#-sZ= string b = Request.QueryString("id1");
>>QY'1Eu ^gN6/>]qrY 2.为按钮添加对话框
@T@<_ ?) Button1.Attributes.Add("onclick","return confirm(’确认?’)");
u^^vB\"^ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
JOj;^h nxO"ua 3.删除表格选定记录
^NLmgwQ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
aacpM[{f string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
L{#IT. %gInje 4.删除表格记录警告
t DO=P
c private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
pg6cF {
S~<$Hy*kh switch(e.Item.ItemType)
3>3 Kwc~E {
9G9t" { case ListItemType.Item :
?Lx24*5% case ListItemType.AlternatingItem :
|{&{ case ListItemType.EditItem:
rExnxQ<e TableCell myTableCell;
-fM1nH& myTableCell = e.Item.Cells[14];
2ElJbN# LinkButton myDeleteButton ;
UI0(=>L myDeleteButton = (LinkButton)myTableCell.Controls[0];
;RH;OE,A myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
a`wc\T^ break;
biL s+\C default:
Z
EQ@IS:Y break;
Vk`h2BV }
5v[*:0p' ajve~8/& }
+*\u :n Cw~q4A6' 5.点击表格行链接另一页
3_C|z,\: private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
hMa]B*o/- {
y>S.?H:P //点击表格打开
@Rg/~\ K if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{WJ m e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
G5{T5# }
W= ig.- <'}YyU= 双击表格连接到另一页
52Yq :Oy%a'w
在itemDataBind事件中
f<-Jg if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
SDL7<ZaE {
Eu0akqZ string OrderItemID =e.item.cells[1].Text;
MO[2~`,Q! ...
Lk|hQ
e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
!zBhbmlKt }
\h+AXs<j u]:oZMnj 双击表格打开新一页
8aZ=?_gvT if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
V[mT<Lc {
)z>|4@, string OrderItemID =e.item.cells[1].Text;
Qo>b*Ku; ...
m.hkbet/R e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
V#v`(j% }
K:J3Z5" QZ!Y2Bz(4 ★特别注意:【?id=】 处不能为 【?id =】
|Yx~;q: 6.表格超连接列传递参数
-Mip,EO <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
P=qa::A <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
#OZ>V3k CZ8KEBl 7.表格点击改变颜色
\TIT:1 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
j
'FVz& {
?}qttj e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
W,D4.w$@' this.style.color=’buttontext’;this.style.cursor=’default’;");
C^s^D: }
{baq+ =NpYFKmMhV 写在DataGrid的_ItemDataBound里
lVd^
^T*fh if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
84$nT>c {
[m+2(I1 e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
'-QwssE this.style.color=’buttontext’;this.style.cursor=’default’;");
02Y]`CXj e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
M\vwI" }
Y=%tn8< MvuQz7M#d ) g0%{dfJ 8.关于日期格式
[2>yYr s_= Y2|#V# 日期格式设定
^9m\=5d DataFormatString="{0:yyyy-MM-dd}"
$': E\*ICb bw(a6qKK 我觉得应该在itembound事件中
'QJ:`)z e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
><RpEnWZ< !1rlN8w(qr 9.获取错误信息并到指定页面
^/uA?h:]\ B{/R: Hm 不要使用Response.Redirect,而应该使用Server.Transfer
f W!a|?e$ !]42^?GH e.g
&\#sI9 // in global.asax
vGvf<ra;H protected void Application_Error(Object sender, EventArgs e) {
^/)^7\@ if (Server.GetLastError() is HttpUnhandledException)
imo$-}A Server.Transfer("MyErrorPage.aspx");
_uWpJhCT B3: ez
jj //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
*jLJcb*.Ap }
tI]Q%S, $:BKzHmg Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
l~1Oef#y )5rb&M} 10.清空Cookie
wYdb*"R Cookie.Expires=[DateTime];
QFE:tBHe Response.Cookies("UserName").Expires = 0
kh!FR u h [O$Wa:< 0x 11.自定义异常处理
QaS1Dh //自定义异常处理类
x%s-+& using System;
F7
5#* using System.Diagnostics;
67VL@ ] # Nk;4:[ namespace MyAppException
>l]Xz*HE {
8H;t_B /// <summary>
?TM,Q /// 从系统异常类ApplicationException继承的应用程序异常处理类。
XQ#;Zs/l /// 自动将异常内容记录到Windows NT/2000的应用程序日志
v;BV@E0}x /// </summary>
Ld\R:{M" public class AppException:System.ApplicationException
t=rEt>n~L {
@u.58H& }R public AppException()
^({})T0wu {
H6kR)~zhf if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
3e
#p@sB }
;}7Rjl# l2`s! ,<>O public AppException(string message)
r/4``shg {
[V^WGW2oY LogEvent(message);
c*(bO3 b }
|^0XYBxQ X]'{(?Ch public AppException(string message,Exception innerException)
T,7Y7c/3V {
%;cddLQ\xY LogEvent(message);
%.vQU @2A if (innerException != null)
VAWF3 {
*Tas`WA LogEvent(innerException.Message);
yGI;ye'U }
!\"EFVH }
0bz'& V\t.3vT //日志记录类
4 kn|^ using System;
d^Inb!%w using System.Configuration;
u_hD}V^x4 using System.Diagnostics;
F{Z~ R
using System.IO;
#eQJEajv5 using System.Text;
rEv@YD
using System.Threading;
N|1M1EBOu> )n+Lo&C< namespace MyEventLog
wy yWyf {
|P[w==AAf /// <summary>
,eOB(?Ku /// 事件日志记录类,提供事件日志记录支持
.)RzT9sg /// <remarks>
Mc=$/ o /// 定义了4个日志记录方法 (error, warning, info, trace)
OJ,` /// </remarks>
3)8QS
/// </summary>
?<V?wsp public class ApplicationLog
b$4"i XSQ {
T3~k>"W /// <summary>
Qr1 "Tk7s /// 将错误信息记录到Win2000/NT事件日志中
mIurA?&7! /// <param name="message">需要记录的文本信息</param>
^]7}YF2| /// </summary>
AZ0;3<FfLp public static void WriteError(String message)
H+1-] 'g` {
L\Aq6q@c WriteLog(TraceLevel.Error, message);
Uhe=h&e2k@ }
JX-'
mV` 4y)P>c /// <summary>
2w59^"<, /// 将警告信息记录到Win2000/NT事件日志中
mlixIW2 /// <param name="message">需要记录的文本信息</param>
E7NV ^4h /// </summary>
}0eF~>Df public static void WriteWarning(String message)
esHg'8?U {
U@g4w!$r WriteLog(TraceLevel.Warning, message);
!HrKXy0{ }
l9}3XI.= }&/o'w2wY /// <summary>
qo p^;~ /// 将提示信息记录到Win2000/NT事件日志中
,ek_R)&[o /// <param name="message">需要记录的文本信息</param>
D6%J\C13` /// </summary>
5Eg1Q
YVt public static void WriteInfo(String message)
1|RANy {
=5Q]m6-SgV WriteLog(TraceLevel.Info, message);
EwuO&q
}
>XK
PTC5H /// <summary>
d^RxQuA /// 将跟踪信息记录到Win2000/NT事件日志中
IHe/xQ@ /// <param name="message">需要记录的文本信息</param>
/~}}"zx& /// </summary>
`Zf^E
>) public static void WriteTrace(String message)
1HXjN~XF {
DAS/43\ WriteLog(TraceLevel.Verbose, message);
p=;=w_^y }
aIJt0; ~5_Ad\n9 /// <summary>
u6T+Cg /// 格式化记录到事件日志的文本信息格式
18~>ZR /// <param name="ex">需要格式化的异常对象</param>
QOjqQfmM; /// <param name="catchInfo">异常信息标题字符串.</param>
qLw{?sH}J/ /// <retvalue>
#i@;J]x( /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
_]yn"p /// </retvalue>
HIQ_%L4] /// </summary>
8JM&(Q%# public static String FormatException(Exception ex, String catchInfo)
8C[C{qOJ {
b@rVo; StringBuilder strBuilder = new StringBuilder();
}'""(,2 if (catchInfo != String.Empty)
-}=i 04^ {
Rec6c&5_ strBuilder.Append(catchInfo).Append("\r\n");
DBPRGQ }
_(Sa4Vb=Q6 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
HGXt return strBuilder.ToString();
Z9MdD>uwi }
%C$%!C r
YogW! /// <summary>
%`OJ.:k /// 实际事件日志写入方法
}E0,z /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
.Si,dc\ /// <param name="messageText">要记录的文本.</param>
)0ea+ib /// </summary>
;gBRCZ private static void WriteLog(TraceLevel level, String messageText)
0*rQ3Z {
.$Ik`[+Z try
Y]NSN-t {
\]%6|V EventLogEntryType LogEntryType;
OZx
W?wnd switch (level)
AmaT0tzJC {
]e^c=O`$ case TraceLevel.Error:
|zR8rqBX; LogEntryType = EventLogEntryType.Error;
@W vatD
V break;
MNC*Glj= case TraceLevel.Warning:
CsTF LogEntryType = EventLogEntryType.Warning;
0uWR<,] break;
3{""58 case TraceLevel.Info:
*+-}P|S: LogEntryType = EventLogEntryType.Information;
S'A>2> break;
1y-y6q case TraceLevel.Verbose:
q[HTnx LogEntryType = EventLogEntryType.SuccessAudit;
lL{5SH<Q break;
t *1u[~= default:
(IC]?n} LogEntryType = EventLogEntryType.SuccessAudit;
<<(wa
j break;
"SzdDY6 }
o=21|z qp/v^$EA EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
BnCbon) //写入事件日志
Q,p}:e eventLog.WriteEntry(messageText, LogEntryType);
Db)?i?o}t ?0)&U }
F">Qpgt catch {} //忽略任何异常
eln&]d; }
q8s0AN'@t' } //class ApplicationLog
]<H&+ &! }
IqC]! H0 "iU}]e0 12.Panel 横向滚动,纵向自动扩展
>;L6xt3 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Gs9:6 h v8P4"i v 13.回车转换成Tab
VG,u7A*Z# <script language="javascript" for="document" event="onkeydown">
-sw
. if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
\<y`!"c
event.keyCode=9;
Fe]B&n </script>
W.dt:_ Rn{iaM2Y< onkeydown="if(event.keyCode==13) event.keyCode=9"
: y5<go8e V>R8GSx 14.DataGrid超级连接列
[* @5\NWR} DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
c.,2GwW NXNY"r7~ 15.DataGrid行随鼠标变色
^zt-HDBR_ private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
;cPy1 {
>)spqu] if (e.Item.ItemType!=ListItemType.Header)
!OA]s%u {
}&n<uUD H e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
BB~OqZIP e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
D&}3$ 7> }
4zJtOK?r" }
}"=AG wtc!> 16.模板列
r9 ui|>U" <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
3E>frR\!I <ITEMTEMPLATE>
*Txl+zTY <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
!eEHmRgg4 </ITEMTEMPLATE>
#bl6sa{E </ASP:TEMPLATECOLUMN>
5Cq{XcXV kMtwiB|7j <ASP:TEMPLATECOLUMN headertext="选中">
x9;gT&@H <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
EGZb7:Y? <ITEMTEMPLATE>
4F{)i <ASP:CHECKBOX id="chkExport" runat="server" />
fcNL$U&-,i </ITEMTEMPLATE>
`FYv3w2 <EDITITEMTEMPLATE>
XVKfl3'% <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
5]HS^II" </EDITITEMTEMPLATE>
RA G3o- </ASP:TEMPLATECOLUMN>
qQ"Fv|]~> 1_\;- !t 后台代码
J.ck~;3 protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
%!du,2 {
6ek;8dL //改变列的选定,实现全选或全不选。
Y}uCP1v CheckBox chkExport ;
\|E^v6E%0 if( CheckAll.Checked)
TiYnc3Bz}J {
7b<je=G6PA foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
ai
nG6Y<O` {
&_~+( chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
PI`jExL chkExport.Checked = true;
q o\?o }
_io+YzS }
[k6nW:C else
[ {
bV4 {
ADpmvW f? foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
=$nB/K,8AX {
.G+Pe'4a chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
M@?xa/E64 chkExport.Checked = false;
M#~Cc~oT }
w:?oTuw }
:,J}z~I,lB }
agjv{ |!"2fI 17.数字格式化
Iz
;G*W18 Yc,7tUz# 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
Y7vA`kjD-C <%#Container.DataItem("price","{0:¥#,##0.00}")%>
Sh?4ri@: %,Ap7X3:QT int i=123456;
:{oZ ~< string s=i.ToString("###,###.00");
hi0R.V& L+CyQq 18.日期格式化
xfb]b2 L2, 1Kt7 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
z.Y$7bf) d)pV;6%[$q 显示为: 2004-8-11 19:44:28
QF&W`c r=6v`)Qr 我只想要:2004-8-11 】
/)dFK~ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
>2]JXLq 'A:x/iv}^ 应该如何改?
%K>.lh@ h=(DX5:A 【格式化日期】
F0:A]`| 'k4E4OB 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
cOPB2\,
"dI; 【日期的验证表达式】
xia |+ ap{2$k , A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
O9g{+e` ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
:%sXO FIbp"~ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
TpHfS]W-P ^\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]))$
s%2v3eb 6e_dJ=_ 【大小写转换】
L5qwWvbT HttpUtility.HtmlEncode(string);
-.T&(&>^ HttpUtility.HtmlDecode(string)
%/YcL6o( j%y$_9a7 19.如何设定全局变量
6$ Gep }J7zTj~{ Global.asax中
<x&%~6j Tp0bS Application_Start()事件中
5cEcTJL[C Y_]De3:V0B 添加Application[属性名] = xxx;
({NAMc* kiRa+w: 就是你的全局变量
CYKr\DA jiYmb8Q4D 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
ZKXo-~=> fgBM_c&9T HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
1&P< cKn`/\.H 【ASPNETMENU】点击菜单项弹出新窗口
'w14sr% 1*dRK6 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
Bf$_XG3
<?xml version="1.0" encoding="GB2312"?>
#?XQ7Im <MenuData ImagesBaseURL="images/">
l2&`J_" <MenuGroup>
#hlCs <MenuItem Label="内参信息" URL="Infomation.aspx" >
P9S2?Q <MenuGroup ID="BBC">
|QMhMGjV <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
V=lfl1Ev0J <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
*bxzCI7b ......
> ]8a3x %/>Y/!; 最好将你的aspnetmenu升级到1.2版
9JWa$iBH@ Rcawc
Y 21.读取DataGrid控件TextBox值
JXw^/Y$ foreach(DataGrid dgi in yourDataGrid.Items)
?_ dIIQ {
!H2QjW TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
+Y
V|ij tb.Text....
yB3; }
h(F<h_ =i(?deR 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?
hRq3C1mR !wWJ^Oz= 〖思归〗
]r-C1bKD` <asp:TemplateColumn HeaderText="数量">
?X5]i#j[ <ItemTemplate>
UThB7(O, <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
Nx-uQ^e*1 onkeyup="javascript:DoCal()"
5l,ZoB8 />
sF7^qrVQP9 ]q6;#EUr? <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
[|lB5gi4t! </ItemTemplate>
d oB </asp:TemplateColumn>
4&HXkRs: /l{&iLz[ <asp:TemplateColumn HeaderText="单价">
m~>Y{F2 <ItemTemplate>
3
E3qd' <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
_$p$") onkeyup="javascript:DoCal()"
3 ( ]M{4j />
7c;9$j OKHX)"j\\ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
^::EikpF% P1 zdK0TM </ItemTemplate>
?\#N9+{W </asp:TemplateColumn>
<BW[1h1k5_ F|&{Rt <asp:TemplateColumn HeaderText="金额">
k2xHH$+{#= <ItemTemplate>
k64."*X <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Z lHDi!T </ItemTemplate>
{>"NyY </asp:TemplateColumn><script language="javascript">
n 3lE,b function DoCal()
?X-)J=XG {
kvh&d| var e = event.srcElement;
.c#y%S var row = e.parentNode.parentNode;
rS0DSGDq var txts = row.all.tags("INPUT");
VqE~c if (!txts.length || txts.length < 3)
} %'bullT return;
k"N(o( ^T.E+2=>z var q = txts[txts.length-3].value;
o0ZM[0@j var p = txts[txts.length-2].value;
Sggq3l$Qc 0oh]61gC if (isNaN(q) || isNaN(p))
Z--@.IYoJ return;
#UtFD^h `y+-H|%? q = parseInt(q);
WO6/X/#8b p = parseFloat(p);
Lw'9 bT6sb#"W txts[txts.length-1].value = (q * p).toFixed(2);
)XfzLF7 }
HAYMX:% </script>
f""`cdqAOh ms_ VM>l `+#G+Vu5 [Px'\nVf }P3tn 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
'u4ezwF; page_load
zd]D(qeX page.smartNavigation=true
vfB2XVc KvQ,;A 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
CAT.4GM private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
!vn1v)6 {
>23- for(int i=0;i<e.Item.Cells.Count-1;i++)
efG6v if(e.Item.ItemType==ListItemType.EditType)
"C?5f]T {
F/1#l@qN e.Item.Cells.Attributes.Add("Width", "80px")
+
<c^=&7Lq }
j$da8] ! }
QR">.k4QJ y{9~&r 26.对话框
[0OJdY4 private static string ScriptBegin = "<script language=\"JavaScript\">";
6r"u$i`o private static string ScriptEnd = "</script>";
nJ?^?M'F% AOp/d(vx5i public static void ConfirmMessageBox(string PageTarget,string Content)
0e[d=)XG {
\#'TNmS string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
qi^!GA'5j #,(sAj ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
q@hp.(V >O/D!j| Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
!'=15&5@ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
}<jb vCeK //Response.Write(strScript);
dP]1tAO,y }
{ m8+Wju} K={qU[_O 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
OTB$V k l$*=<tV 1.1 取当前年月日时分秒
Q{QYBh& currentTime=System.DateTime.Now;
7*w VI+ rg_Q"g 1.2 取当前年
"Dy'Kd%,%/ int 年= DateTime.Now.Year;
Z.i{i^/#( %b?$@H-Re 1.3 取当前月
6+K_ Z\ int 月= DateTime.Now.Month;
]=73-ywn] d {2 1.4 取当前日
~e@>zoM'^ int 日= DateTime.Now.Day;
1x~U*vbhQ zVv04_: 1.5 取当前时
jy2IZ o int 时= DateTime.Now.Hour;
.7ayQp Fk=}iB#( 1.6 取当前分
Hqz?E@bc@ int 分= DateTime.Now.Minute;
Wk4.%tpeO7 rC[6lIP 1.7 取当前秒
B6}FIg) int 秒= DateTime.Now.Second;
Dbx~n#n G <uP^-bv;( 1.8 取当前毫秒
f]8I64 int 毫秒= DateTime.Now.Millisecond;
]J2:194 lo&#(L+2 28.自定义分页代码:
W&"|}Pi/ $mA5@O~C5\ 先定义变量 :
$\a5&1rl public static int pageCount; //总页面数
T:asm1BC[ public static int curPageIndex=1; //当前页面
17g^ALs
Aw!gSf) 下一页:
^]p if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
RAs0]K {
;P?q2jI DataGrid1.CurrentPageIndex += 1;
FrTg4 curPageIndex+=1;
0m9ZQ
O }
{Z{o"56f '_+9y5 bind(); // DataGrid1数据绑定函数
^b?2N/m@ >
^[z3T 上一页:
PHM:W%g: if(DataGrid1.CurrentPageIndex >0)
IF
k {
&217l2X
/ DataGrid1.CurrentPageIndex += 1;
u3tZ[Y2 c curPageIndex-=1;
|I[7,`C~ }
'3l$al:H^ $<?X7n^ bind(); // DataGrid1数据绑定函数
@=]8^?$t
0 KT*:F(4` 直接页面跳转:
VU!w!GN]Y int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
-[#n+`M ~bA,GfSn0 if(a<DataGrid1.PageCount)
_.18z+ {
iy5R5L2 this.DataGrid1.CurrentPageIndex=a;
w5~i^x }
r;cV&T/?
t]_S bind();
6a}r( yP >N`6;gn*l 29.DataGrid使用:
_94s(~g: IvBGpT"(I 添加删除确认:
*8g<R private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
]Nk!4" {
{gy+3
foreach(DataGridItem di in this.DataGrid1.Items)
M7y|EB)) {
)xl6,bq3 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
<ZPZk'53<f {
+S { ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
"4}wnu6/ }
T.?k>Ak }
(
76{2 }
uOk%AL> Mn^zYW|( 样式交替:
@6xGJ,s ListItemType itemType = e.Item.ItemType;
89eq[ |G_ d;suACW if (itemType == ListItemType.Item )
%|Hp Bs#' {
,=w!vO5s e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
jD<pIHau e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
6517Km 4- }
M[Y4_$k<- else if( itemType == ListItemType.AlternatingItem)
x(r+P9f\< {
cz.3|Lby e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
KjR4=9MD e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Uxl(9 6 }
L=1~ f- $-pbw@7 添加一个编号列:
xl!K;Y2< DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
A]y*so!)> DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
.;Y
x*] ]O{_O&w for(int i=0;i<dt.Rows.Count;i++)
J 3?Dj {
hH4o;0rqJ dt.Rows["number"]=(i+1).ToString();
Sni=gZ K }
c;V D}UD' $AwZ2HY DataGrid1.DataSource=dt;
ILG?r9x DataGrid1.DataBind();
m4**>!I O2#S: ~h DataGrid1中添加一个CheckBox,页面中添加一个全选框
)bW<8f2 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
j 2}v} {
(wL3 + foreach(DataGridItem thisitem in DataGrid1.Items)
X5E
'*W {
]tVl{" .{ ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
5Hle-FDn9 }
5RhF+p4 }
OlcP( 1mUTtYU 将当前页面中DataGrid1显示的数据全部删除
i,OKfXp foreach(DataGridItem thisitem in DataGrid1.Items)
U)~#g'6:8 {
kEAhTh&g* if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
zA{8C];~ {
3q~Fl=|.o string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
@InJ_9E Del (strloginid); //删除函数
KS! iL=i }
(|0b7|'T }
r@$B'CsLj UH40~LxIma 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)
c^-YcGwa IA4+ad'\E 在Application_Start中添加以下代码:
hAa[[%wPhU Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
u9>6|w+ AppSettings["ConnStr"].ToString();
T +\ B'" ,P{HE8. 31. 变量.ToString()
v72,h ?'+8[OHiF^ 字符型转换 转为字符串
N !IzB] 12345.ToString("n"); //生成 12,345.00
C={mi#G[/ 12345.ToString("C"); //生成 ¥12,345.00
@.o@-3k 12345.ToString("e"); //生成 1.234500e+004
+u#Sl)F 12345.ToString("f4"); //生成 12345.0000
D=9}|b/ 12345.ToString("x"); //生成 3039 (16进制)
V_M@g;<o 12345.ToString("p"); //生成 1,234,500.00%
{,v:
GMsm C9Wojo. 32、变量.Substring(参数1,参数2);
44Qk;8* ?Q:PPqQ 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);
>ZDC . ~ 2fBYT4*P;
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)
s"rg_FoL <SCRIPT language="javascript">
?z"YC&Tp <!--
_S<?t9mS function gook(pws)
'?k' 6R$'\ {
rIPl6,w~ frm.submit();
`r.N }
?d,M.o{0] //-->
H
/%}R >W~=]&7{s4 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
J" wKR y <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
{e6KJ@H6 <tr>
%#4 +! <td>
0%;MVMH <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
W^|J/Y48 <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
9TW8o}k` <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
a^/K?lAB8 a(!3Afi <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
m9b(3 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
o_3*;}k8 p\ok_*b </td>
eEie?#Z/6 %xh?!s|G( </tr>
uf?b%:A /sH0x,V </form>
yjR)Z9t kraVL%72 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
%OFj tzmETRwG 下面是获取用户输入的登陆信息的代码:
0w+5'lOg string name;
U_}hfLILi name=Request.QueryString["EmailName"];
N=<=dp( w?/f Z x try
omT(3)TP {
ze$Y=<S int a=name.IndexOf("@",0,name.Length);
e9}8RHy1$ f_user.Value=name.Substring(0,a);
W%H]Uyt f_domain.Value=name.Substring(a+1,name.Length-(a+1));
iGQ n/Xdo f_pass.Value=Request.QueryString["Psw"];
q@w"yz> }
(6o:4|xl0 i)8g CDc catch
>OTl2F}4 ! {
-Fa98nV.WB Script.Alert("错误的邮箱!");
-UTV:^ Server.Transfer("index.aspx");
"YD.=s }