1. 打开新的窗口并传送参数:
8$C?j\J|* fs6% M]u 传送参数:
Z}s56{!. response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
4]mAV\1 }N%uQP#I 接收参数:
j]bNOC2.L string a = Request.QueryString("id");
;Br
#e1~ string b = Request.QueryString("id1");
W@FRKDixG ~Op~~
m 2.为按钮添加对话框
|]'0z0> Button1.Attributes.Add("onclick","return confirm(’确认?’)");
C}8 3t~Q button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
>^ijj`{d hz*H,E!> 3.删除表格选定记录
-
j_ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
7o4B1YD string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
pA?2UZ w~l%xiC 4.删除表格记录警告
@]xHt&j private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
drK &
{
,R2;oF_ switch(e.Item.ItemType)
MZK%IC> {
ZAa:f:[#f case ListItemType.Item :
0;avWa)Q case ListItemType.AlternatingItem :
wwVg'V; case ListItemType.EditItem:
5;_&C=[ TableCell myTableCell;
!R@s+5P)U myTableCell = e.Item.Cells[14];
`;\~$^sj} LinkButton myDeleteButton ;
E
(bx/f myDeleteButton = (LinkButton)myTableCell.Controls[0];
VSW"/{Lp myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Zz@wbhMV break;
.U9A\$ default:
J'#R9NO< break;
.}x:yKyi@ }
P2>Y0"bY \YrvH }
X>kW)c4{b kb2M3%6V 5.点击表格行链接另一页
?2i\ERG? private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
I!;vy/r {
YqNI:znm- //点击表格打开
SvN2}]Kh if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
gq[`g=x e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
nHTb~t5Ke }
0o&B 7N .BjnV%l7Id 双击表格连接到另一页
<Pg<F[eDM 1y}tPkOe7O 在itemDataBind事件中
bc(b1u? if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
yOr5kWqX {
U9]&~jR string OrderItemID =e.item.cells[1].Text;
nMU[S+ ...
'e5,%"5(c e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
Z|IFT1K }
o]O A
^U`c'$ 双击表格打开新一页
1G62Qu$O if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
F`U
YgN {
#xTu { string OrderItemID =e.item.cells[1].Text;
TSHH=`cx ...
Z&Ao;=Gp1 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
!p$k<?WX c }
F|&=\Q (X( c.Jj ★特别注意:【?id=】 处不能为 【?id =】
}Asp=<kCc 6.表格超连接列传递参数
5B,HJax <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
[>wvVv <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
5x1_rjP$| Aa`'g0wmc 7.表格点击改变颜色
JTI 'W if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
19#A7 {
XbMAcgS e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
k}$k6Sr" this.style.color=’buttontext’;this.style.cursor=’default’;");
l5fF.A7TT }
'1te(+;e@ n,.t~ 写在DataGrid的_ItemDataBound里
k%fy if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
#7yy7Y5 {
nps"nggk e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
5X=ik7m^ this.style.color=’buttontext’;this.style.cursor=’default’;");
@#W$7Gwf0 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
TVEFZ\p<A }
K}1eQS&$a OJ2I (8P bJ6@
B< 8.关于日期格式
bhg
OLh# ;_<K>r* 日期格式设定
gP 6`q DataFormatString="{0:yyyy-MM-dd}"
c0M>CaKD rm nfyn 我觉得应该在itembound事件中
z(d X< e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
Zk#?.z} Z4aK 9.获取错误信息并到指定页面
;?'=*+'> o YNp0Hc 不要使用Response.Redirect,而应该使用Server.Transfer
iz pFl@WS j~:N8(= e.g
ajMI7j^G // in global.asax
PquATAzQA protected void Application_Error(Object sender, EventArgs e) {
6K
6uB
~ if (Server.GetLastError() is HttpUnhandledException)
KXTx{R Server.Transfer("MyErrorPage.aspx");
4bZ
+nQgLu .e8S^lSl //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
Owz.C_{) }
P<GHX~nB %*`yd.L0W 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
:U$U:e Vj{}cL"MR 10.清空Cookie
9}DF*np`G Cookie.Expires=[DateTime];
<<:a>)6\ Response.Cookies("UserName").Expires = 0
#ZS8}X*S TSCc=c 11.自定义异常处理
*UlL\ //自定义异常处理类
VG+WVk using System;
Up|>)WFw" using System.Diagnostics;
| *J-9 ;UB$Uqs6 namespace MyAppException
}4M4D/= {
C;_*vi2u /// <summary>
8NS1* \z /// 从系统异常类ApplicationException继承的应用程序异常处理类。
v'zj<|2 /// 自动将异常内容记录到Windows NT/2000的应用程序日志
2E
X Rq /// </summary>
WCPl}7> public class AppException:System.ApplicationException
aA/.EAc7 {
SX I3y public AppException()
fW'U7&O {
999E0A$dkv if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
M$Of. }
)-4xI4 ;4 rTm@6 public AppException(string message)
>4lT0~V/ {
_Z|3qQ LogEvent(message);
\d)~. 2$G* }
4;hgi[ lC&B4zec public AppException(string message,Exception innerException)
/P-Eg86V' {
r+WY7'c LogEvent(message);
>S:>_&I`I if (innerException != null)
CN"hx-f {
]{<`W5b/ LogEvent(innerException.Message);
]2Q:&T }
0{GpO6! }
C*I~14 3_]<H<w //日志记录类
k)a-odNrb using System;
L--(Y+vmf using System.Configuration;
s
s*% 3<
using System.Diagnostics;
l[EjtN using System.IO;
MXj7Z3 using System.Text;
AqzPwO^ using System.Threading;
}`,}e 259 oIP<7gz namespace MyEventLog
"""gV)Y {
utvZ<zz` /// <summary>
2"~QI xY= /// 事件日志记录类,提供事件日志记录支持
oT\u^WU /// <remarks>
-b4#/q+bb+ /// 定义了4个日志记录方法 (error, warning, info, trace)
u{o!#_o64 /// </remarks>
YIQm;EEG /// </summary>
Vp'Zm: public class ApplicationLog
:2KLziO2 {
UA|A>c /// <summary>
x1}7c9nK /// 将错误信息记录到Win2000/NT事件日志中
u0@i3Po /// <param name="message">需要记录的文本信息</param>
_IOt(Zb( /// </summary>
.kO;9z\B public static void WriteError(String message)
%dMP}k/ {
lo*)%fy WriteLog(TraceLevel.Error, message);
<?UIux }
KnC;j-j /@<Pn&Rq /// <summary>
{i7Wp$ug /// 将警告信息记录到Win2000/NT事件日志中
L.uX /// <param name="message">需要记录的文本信息</param>
ByrK|lVM0 /// </summary>
ORV~F0d< public static void WriteWarning(String message)
SJtQK-%wK> {
Qv%"iSe~J WriteLog(TraceLevel.Warning, message);
0
7CufoI }
|-HV@c] {1Z`'.FU /// <summary>
$EB&]t+ /// 将提示信息记录到Win2000/NT事件日志中
k(oHmw /// <param name="message">需要记录的文本信息</param>
.
_5g<aw; /// </summary>
V^P]QQ\
) public static void WriteInfo(String message)
DB'd9< {
GIt~"X WriteLog(TraceLevel.Info, message);
v:Av2y }
X4:\Shb97 /// <summary>
hZE" 8%\q /// 将跟踪信息记录到Win2000/NT事件日志中
f;C*J1y /// <param name="message">需要记录的文本信息</param>
Gyak?.@R /// </summary>
:K ^T@F5n public static void WriteTrace(String message)
=7JvS~s {
t?:} bw+m WriteLog(TraceLevel.Verbose, message);
H+`s#'(i_P }
+P?!yH,n >[=fbL@N<@ /// <summary>
G/nSF:r p /// 格式化记录到事件日志的文本信息格式
2FxrMCC /// <param name="ex">需要格式化的异常对象</param>
G k9Y{ /// <param name="catchInfo">异常信息标题字符串.</param>
p9;Oe,Il /// <retvalue>
}dl[~iKW /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
|D %m>M6 /// </retvalue>
E|t.
3 /// </summary>
ze<Lc/ ;X~ public static String FormatException(Exception ex, String catchInfo)
K85;7R5 {
!1tHg Z2\ StringBuilder strBuilder = new StringBuilder();
}7>r, if (catchInfo != String.Empty)
fb7Gy {
s4@dEK8W strBuilder.Append(catchInfo).Append("\r\n");
2F0@M|' }
[X'XxYbZ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
qn VxP& return strBuilder.ToString();
7cGc`7 }
4aAuE0 d`he
Wv^/` /// <summary>
2NHkK_B1P /// 实际事件日志写入方法
M^c`j#NQ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
o5 UM)g /// <param name="messageText">要记录的文本.</param>
+>#SB"' /// </summary>
v=A]#O% private static void WriteLog(TraceLevel level, String messageText)
zI5#'<n {
Zl69d4vG try
M]O
_L {
"K3"s Ec% EventLogEntryType LogEntryType;
@l)HX'z0d switch (level)
"+oP((9 {
L*xu<(>K case TraceLevel.Error:
b'9\j.By LogEntryType = EventLogEntryType.Error;
^ lrq`1k break;
(!72Eaw:] case TraceLevel.Warning:
zo,`Vibx< LogEntryType = EventLogEntryType.Warning;
WoVPp*zlX break;
M ABrf`<b case TraceLevel.Info:
"HCJ! LogEntryType = EventLogEntryType.Information;
v=kQ/h break;
v71j1Q}6 case TraceLevel.Verbose:
R?)M#^"W LogEntryType = EventLogEntryType.SuccessAudit;
Mu,}?% break;
!_Z\K$Ns default:
l<5@a
( LogEntryType = EventLogEntryType.SuccessAudit;
`0.< break;
Y}<w)b1e| }
uhi(Gny. J*Dt\[X EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
c418TjO; //写入事件日志
J1@X6U!{ eventLog.WriteEntry(messageText, LogEntryType);
.TcsXYL.`, pFfd6P }
J9!}8uD catch {} //忽略任何异常
j_::#?o!/ }
_4eSDO[h } //class ApplicationLog
!c}?u_Z/ }
.<0|V |'$E-[ 12.Panel 横向滚动,纵向自动扩展
Tm!pAD <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
MKqMH,O T5*
t~`bfU 13.回车转换成Tab
!S0$W?* <script language="javascript" for="document" event="onkeydown">
K4\{G if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
rI/;L<c event.keyCode=9;
~#z8Q{!O </script>
b@GL*Z Af~>}-`a onkeydown="if(event.keyCode==13) event.keyCode=9"
ObK-<kGcB ]mDsd* 1 14.DataGrid超级连接列
{+`'ZU6C DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
vL>cYbJ< _[D6WY+
15.DataGrid行随鼠标变色
-~ w5yd private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8+HXGqcv {
HPz9Er if (e.Item.ItemType!=ListItemType.Header)
7R4sd {
&J>XKO nl e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
lD`@{A e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
O*;$))<wX }
>3{#S: }
q1rBSlzN DRp h?V\ 16.模板列
~ IPel <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
iLQFce7d|& <ITEMTEMPLATE>
L#t^:% <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
$ z4JUr!m </ITEMTEMPLATE>
5k%GjT </ASP:TEMPLATECOLUMN>
<OX_6d *@ ( (.b& <ASP:TEMPLATECOLUMN headertext="选中">
OvL@@SX | <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
K fM6(f: <ITEMTEMPLATE>
OZDd <ASP:CHECKBOX id="chkExport" runat="server" />
R^v-%mG9 </ITEMTEMPLATE>
uu5AW=j <EDITITEMTEMPLATE>
1!(Og~#( <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
gLm ]* </EDITITEMTEMPLATE>
9%{V?r]k </ASP:TEMPLATECOLUMN>
1 u[a713O 1L~y!il 后台代码
%pikt7,Z~ protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
(8JL/S;Z$ {
Lek!5Ug //改变列的选定,实现全选或全不选。
jXa;ovPK CheckBox chkExport ;
{..6{~L if( CheckAll.Checked)
ivgV5)". {
w'[^RZW:j foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
C?xah?Sk {
ElFiR; chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
$#z
` R; chkExport.Checked = true;
49('pq?D }
p(B^](? }
,, 8hU7P else
3shRrCL0mf {
}da}vR"iL foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Eo\pNz#) {
)$EmKOTt: chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
[h5~1N chkExport.Checked = false;
fGZZ['E }
m`;dFL7"E }
(]_smsok }
^bD)Tg5K *Z9Rl> 17.数字格式化
DGc5Lol~ hSl6X3W 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
O V"5:){ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
AVn?86ri $Ph
T : int i=123456;
teQ<v[W. string s=i.ToString("###,###.00");
OON]E3yy *KMW6dg; 18.日期格式化
=,MX%-2 QL].)Vgf 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
jDO"?@+ [:hTwBRF 显示为: 2004-8-11 19:44:28
sKg
IKYG}T 4](jV}Hg 我只想要:2004-8-11 】
pr=f6~Z-y <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
A$JL"~R .RazjXAY 应该如何改?
j7(S= EPd9'9S 【格式化日期】
rtjUHhF s%bm1$} 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
k<Y}BvAYB _?}[7K!~d 【日期的验证表达式】
R!+_mPb=Q* :@~Nszlb A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Qhc>,v) ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
jqzG=/0~{ 6"o,)e/z B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
U} K]W>Z ^\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]))$
sahXPl%;U Ye=c;0V(w 【大小写转换】
?hFG+`"W HttpUtility.HtmlEncode(string);
+A;AX.mr HttpUtility.HtmlDecode(string)
su}n3NsJ %&iY5A 19.如何设定全局变量
["u:_2!4P vY"i^a`f Global.asax中
'NAC4to;; \yE*nZ Application_Start()事件中
&6@#W]_ zObrp 添加Application[属性名] = xxx;
#0*oj/ srGF=1_ 就是你的全局变量
(nDen5Q| CMiE$yC 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
Tlar@lC|u nOm-Yb+F HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
{<P{uH\l b(HbwOt~3 【ASPNETMENU】点击菜单项弹出新窗口
K ; eR) Y00hc8< 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
"y7IH
GJ\3 <?xml version="1.0" encoding="GB2312"?>
4!U)a <MenuData ImagesBaseURL="images/">
lf9mdbm <MenuGroup>
}m -A #4. <MenuItem Label="内参信息" URL="Infomation.aspx" >
Lz/{
q6> <MenuGroup ID="BBC">
p Lwtm@ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
olxnQYFo <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
FoW|BGA~ ......
4(D1/8 "*T4%3dA 最好将你的aspnetmenu升级到1.2版
C}=9m
A +HSKFp 21.读取DataGrid控件TextBox值
(:|rCZC foreach(DataGrid dgi in yourDataGrid.Items)
X(npgkVP\ {
/J5)_>R: TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
$/FL)m8.3 tb.Text....
Zsto8wuf# }
DedY(JOvB 3EA+tG4KnO 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
3%(BZ23 ?ZAynZF|# 〖思归〗
4XNdsb <asp:TemplateColumn HeaderText="数量">
_@D"XL#L <ItemTemplate>
[Te"|K ': <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
\Gm\sy onkeyup="javascript:DoCal()"
laQ{nSVBm />
C~X"ZW:d[ :>*0./hG <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
08qM?{zo^ </ItemTemplate>
-%ftPfm </asp:TemplateColumn>
F T$x#> 0x2[*pJ|IW <asp:TemplateColumn HeaderText="单价">
1EHL8@.M <ItemTemplate>
7?p>v34A <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
Vv_lBYV onkeyup="javascript:DoCal()"
V$fn$= />
s?7"iE 7m.>2U <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
3{{Ew}kZm G0lg5iA<fC </ItemTemplate>
r
E&}B5PN= </asp:TemplateColumn>
mIW/x/I Xk9 8%gv <asp:TemplateColumn HeaderText="金额">
'pHxO,vo <ItemTemplate>
7U2?in}?Qi <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
il[waUfmD </ItemTemplate>
+lhnc{;WJv </asp:TemplateColumn><script language="javascript">
/2x@Z> function DoCal()
y1bo28 {
V|vXxWm/ var e = event.srcElement;
'j$n;3 var row = e.parentNode.parentNode;
sEHA?UP$<F var txts = row.all.tags("INPUT");
X!|K 4Z!k if (!txts.length || txts.length < 3)
b#W(&b^q return;
x0||'0I0 -J;;6aA var q = txts[txts.length-3].value;
=Bos>;dl var p = txts[txts.length-2].value;
7{Zs"d{s TlCGP)VSj if (isNaN(q) || isNaN(p))
5BS !6o;P' return;
rAZ~R PrW &W{<Yf9 q = parseInt(q);
V$g!#V p = parseFloat(p);
OV/
&'rC )S^[b2P]y_ txts[txts.length-1].value = (q * p).toFixed(2);
xp
F(de }
v!j%<H`NI </script>
eL1)_M;{ w^^8*b< srryVqgS :U,-v 30bdcDm, 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
l9z{pZ\KM page_load
X}Fqif4A page.smartNavigation=true
p?O6|q hg-M>|s7 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
'x u!t'l& private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
ke2}@|?t {
qoSZ+ khS$ for(int i=0;i<e.Item.Cells.Count-1;i++)
FVWHiwRU, if(e.Item.ItemType==ListItemType.EditType)
d0 mfqP= {
IweNe`Z e.Item.Cells.Attributes.Add("Width", "80px")
v,jB(B^|Z }
Ao, <G.>R }
'DD~xCXE eQJyO9$G 26.对话框
\u*[mrX_B: private static string ScriptBegin = "<script language=\"JavaScript\">";
T'-kG"l b private static string ScriptEnd = "</script>";
;~Gez;AhK T\ [CQO public static void ConfirmMessageBox(string PageTarget,string Content)
W?yGV{#V(= {
AWDy_11Nm string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
@7J;}9E yL_\&v ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
M;sT+Z{ 6o]j@o8V Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
_xGC0f ( ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
+J3Y}A4W3X //Response.Write(strScript);
]RxWypA` }
T/?C_i 3il/{bgM 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
B:6VD /qC 11B8 LX 1.1 取当前年月日时分秒
g^)) currentTime=System.DateTime.Now;
oO9yI^ "QmlW2ysi 1.2 取当前年
P,)\#([vc int 年= DateTime.Now.Year;
Je~`{n &%4A3.qE 1.3 取当前月
2+|U!X int 月= DateTime.Now.Month;
x{3q'2 hw1J <Pl* 1.4 取当前日
l%#z int 日= DateTime.Now.Day;
ZOy^TR /\U:F 1.5 取当前时
Go
!{T int 时= DateTime.Now.Hour;
`!C5"i8+i2 PoZxT-U 1.6 取当前分
FSb4RuD9 int 分= DateTime.Now.Minute;
6SEq 2 $1n\jN 1.7 取当前秒
$*C'{&2 int 秒= DateTime.Now.Second;
yc0_7Im? WQv`%%G2> 1.8 取当前毫秒
rSKZc`<^ int 毫秒= DateTime.Now.Millisecond;
Muok">#3. f\~A72- 28.自定义分页代码:
P9M. J^< l@g%A#
_ 先定义变量 :
C~"b-T public static int pageCount; //总页面数
Jp(CBCG{F public static int curPageIndex=1; //当前页面
|3Bmsd/3 ZdlQ}l#F 下一页:
C;m*0#9D if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
]~9YRVeC {
S5e"}.]| DataGrid1.CurrentPageIndex += 1;
~T9wx curPageIndex+=1;
[E0.4FLT! }
R0T{9,;[` fz<GPw
bind(); // DataGrid1数据绑定函数
@"n]v)[4 Svm'ds7> 上一页:
L/)Q1Mm if(DataGrid1.CurrentPageIndex >0)
{YEGy {
\Z_29L w= DataGrid1.CurrentPageIndex += 1;
3ZhuC".c curPageIndex-=1;
I~ e,'] }
b5W(}ka+ X{P=2h#g
bind(); // DataGrid1数据绑定函数
} ^WmCX2a j"n"=rTTQ 直接页面跳转:
KVPWJHGr int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
z)%]#QO {`V ^V_ if(a<DataGrid1.PageCount)
|D1TSv}rZD {
l a>H& this.DataGrid1.CurrentPageIndex=a;
9
OZXs2~x }
Rg 5kFeS
ITfz/d8 bind();
Xn%O .yM6 {=9"WN 29.DataGrid使用:
(1Klj+"p% dg4q+ 添加删除确认:
FBS]U$1 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
9/dADJe0b {
e,T^8_> foreach(DataGridItem di in this.DataGrid1.Items)
qD{~QHDa {
4oN*J +"=+ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
RAFdo {
c1Hp ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
2!GyQ@&[W }
R,m|+[sl }
Ym
1; /' }
V:2{LR<R8 3y yVI# 样式交替:
&S8,-~U ListItemType itemType = e.Item.ItemType;
["15~9 ]r>m{"~E if (itemType == ListItemType.Item )
I.kuYD62 {
Cps'l e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
f'OcW*t e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
ov,[F<GT }
&)!4rABn else if( itemType == ListItemType.AlternatingItem)
WZcAwYB {
UHX,s e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
~;0W
+ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
^a=V. }
7myYs7N8[ r+,JM L 添加一个编号列:
=L*-2cE6# DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Z*YS7 ~ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
n,`j~.l-=> 3Hf_!C=g for(int i=0;i<dt.Rows.Count;i++)
HEF\TH9 {
!%/(a)B$^$ dt.Rows["number"]=(i+1).ToString();
mLDuizWI }
~xf uq{L; BB.120v&N DataGrid1.DataSource=dt;
[H{2<! DataGrid1.DataBind();
'k/:3?R _eUd
RL> DataGrid1中添加一个CheckBox,页面中添加一个全选框
|J:m{ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
r)oR`\7 {
BF /4 foreach(DataGridItem thisitem in DataGrid1.Items)
-V=,x3Zew {
r}-vOPn`E ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
p:3
V-$4X }
4VHX4A}CgA }
b?k6-r$j iVA=D&eZ 将当前页面中DataGrid1显示的数据全部删除
7AQv4 foreach(DataGridItem thisitem in DataGrid1.Items)
15R:m:T {
[FeN(8hGS if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
*|6*jU {
x$.0:jP/s string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
UVgDm&FF Del (strloginid); //删除函数
S0?e/VWy }
\ \g Aa-}: }
-d^c!Iu| p$a+?5'Q 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)
|N:kf&]b '}F..w/ 在Application_Start中添加以下代码:
'SKq<X%R; Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
zA8Tp8( AppSettings["ConnStr"].ToString();
:Jo[bm
_^`TG]F 31. 变量.ToString()
%!]CP1S n,Q^M$mS0 字符型转换 转为字符串
O}X@QG2_ 12345.ToString("n"); //生成 12,345.00
cpM]APF- 12345.ToString("C"); //生成 ¥12,345.00
aMaqlqf 12345.ToString("e"); //生成 1.234500e+004
U3t)yr h 12345.ToString("f4"); //生成 12345.0000
SbH} cu8 12345.ToString("x"); //生成 3039 (16进制)
\omfWWpK 12345.ToString("p"); //生成 1,234,500.00%
UD^=@?^7 @*iT%p_L 32、变量.Substring(参数1,参数2);
[#+klP$ 'W/AYF^5 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);
+ {WZpP},v x/IAc6H~_8 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)
7x.]
9J <SCRIPT language="javascript">
UD_8#DO{m1 <!--
G4wJv^6i9 function gook(pws)
Wx8n) {
]Ryg}DOQ frm.submit();
W/u_<\ }
E+~1GKd //-->
r=<1*u L6J.^tpO </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
9eEA80i7 <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
ET\rd5Po <tr>
O;m [ <td>
RM#.-gW <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
+Oc |Oo <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
xOKf| <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
Xvxj-\ - `$yi18F <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
GSVLZF'+ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
=r^Pu|
A{)p#K8 </td>
fT5vO.a
VEBvS>i* </tr>
u\u6<[>P @-XMox/ </form>
LcGG~P|ML _ECH( 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。
LNM#\fb +d=8 /3O% 下面是获取用户输入的登陆信息的代码:
Y
9@
2d string name;
;2'/rEq4o name=Request.QueryString["EmailName"];
q6eD{/4a1 F,@uYMQs try
pI}6AAs}Z {
OK%d1M^8j int a=name.IndexOf("@",0,name.Length);
vGD D f_user.Value=name.Substring(0,a);
i?6#>;f f_domain.Value=name.Substring(a+1,name.Length-(a+1));
#fq&yjl#A f_pass.Value=Request.QueryString["Psw"];
6d;RtCENo }
'@WS7`@-y Je=k.pO1 catch
<UbLds{+Uo {
\6vr)1~N> Script.Alert("错误的邮箱!");
-8z@FLUK- Server.Transfer("index.aspx");
W.?EjEx }