1. 打开新的窗口并传送参数:
c ~~4eia) 9-V'U\}L 传送参数:
^>F[aT response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
k\qFWFR #rF`Hk: 接收参数:
=.CiKV$E string a = Request.QueryString("id");
&tvtL string b = Request.QueryString("id1");
%gs?~Xl)] QuG"]$ 2.为按钮添加对话框
1x=x,lcL Button1.Attributes.Add("onclick","return confirm(’确认?’)");
PVH Or^ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
VBix8| Tg"? TZO~ 3.删除表格选定记录
S5u$I int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
^"D^D`$@ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
(CRx'R
_k26(rdI@- 4.删除表格记录警告
q^<HG] private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
wggB^ }~ {
>qOG^{&x switch(e.Item.ItemType)
4ryG_p52l {
hrq% { !Z case ListItemType.Item :
\eNB L[ case ListItemType.AlternatingItem :
Q.$Rhjb case ListItemType.EditItem:
HV)aVkr/& TableCell myTableCell;
8U(o@1PT myTableCell = e.Item.Cells[14];
V4NQcy?
H LinkButton myDeleteButton ;
=k.%#h{ myDeleteButton = (LinkButton)myTableCell.Controls[0];
D-LOjMe myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
&.?E[db"h break;
vm[*+&\2 default:
*E/ Mf
break;
qe#5;# }
RC[Sa wA K$Vu[!l` }
d8vf
kVB mi<Q3;m 5.点击表格行链接另一页
"r_wgl% private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
/ @"{u0 {
YLQ0UeDN' //点击表格打开
nOL.% if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
WYTqQqQk e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
<fG\J }
X.;VZwT+ )Ln".Bu, 双击表格连接到另一页
F/BR#J1 QHZ",1F 在itemDataBind事件中
K2yNIq_ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
aH{)|? {
zaHZ5%{LQD string OrderItemID =e.item.cells[1].Text;
RYEZ'< ...
hI!BX};+} e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
>":xnX# }
|EX=Rj* Zf@B<
m 双击表格打开新一页
|K Rt$t if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
C$6FI`J {
4\&Y;upy+ string OrderItemID =e.item.cells[1].Text;
nS%jnp# ...
`"&Nw,C e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
H,L{N'[Xph }
i m;6$3
SW#/;|m ★特别注意:【?id=】 处不能为 【?id =】
U[f00m5{HV 6.表格超连接列传递参数
zVw5 (Tc <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
`T[@ - <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
nPXP9wmh4x 9m$;C'}Z 7.表格点击改变颜色
dJ6fPB|k if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
b^d{$eoH?| {
W]ca~%r e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Tl2t\z+ps this.style.color=’buttontext’;this.style.cursor=’default’;");
%/y=_G }
-Y/i
h(I^ "g^i% 写在DataGrid的_ItemDataBound里
f(m,! if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
2r!ltG3} {
qXW\/NT"p< e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
@Uez2? this.style.color=’buttontext’;this.style.cursor=’default’;");
Yn}Gj' e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
8-nf4=ll }
tr,W)5O@L gfg,V.: w7U]-MW6A* 8.关于日期格式
ja_8n["z 4$&l`yWU+ 日期格式设定
<(lA
CH DataFormatString="{0:yyyy-MM-dd}"
v<!S_7h M-"j8:en 我觉得应该在itembound事件中
+;q\7* e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
#_ |B6!D! +Ua|0>? 9.获取错误信息并到指定页面
pd'0| {'O><4 不要使用Response.Redirect,而应该使用Server.Transfer
}UW7py!TN 0
jth}\9 e.g
.r<aPy$ // in global.asax
':wf%_Iw protected void Application_Error(Object sender, EventArgs e) {
|qUGB.Q if (Server.GetLastError() is HttpUnhandledException)
nTqU~'d' Server.Transfer("MyErrorPage.aspx");
s7 "xDDV (G"'Fb6d //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
y d97ys }
-XV,r<'' 4!Js=" 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
^&eF916H l/X_CM8y~ 10.清空Cookie
AatSN@,~z Cookie.Expires=[DateTime];
N6y9'LGG` Response.Cookies("UserName").Expires = 0
EJkHPn >D,Oav 11.自定义异常处理
15g!Q
*v //自定义异常处理类
X(N~tE using System;
M5`v^> using System.Diagnostics;
IK2da@V gpV4qDXV namespace MyAppException
?gE=hh {
FQ<-Wc /// <summary>
!/is+
xp /// 从系统异常类ApplicationException继承的应用程序异常处理类。
b' o]Y /// 自动将异常内容记录到Windows NT/2000的应用程序日志
cfLF@LW!]) /// </summary>
;t&q|}x" public class AppException:System.ApplicationException
&K9;GZS? {
T`bYidA public AppException()
?*fa5=ql {
<&5z0rDKWw if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
_\WR3Q!V }
<>] DcA E`IXBI public AppException(string message)
O*xx63%jR {
<|Td0|x
_q LogEvent(message);
,MY7h8V/ }
H%wB8Y
] /%T/@y public AppException(string message,Exception innerException)
@?,x3\N- {
#t+?eye~ LogEvent(message);
MpCPY"WLL if (innerException != null)
zwfft {
F5o8@ Ib]: LogEvent(innerException.Message);
;vH2r~ }
C(N'=-;Kl }
V"/.An| O =Z}DGa+ //日志记录类
gX}'b\zxC using System;
mrTf["K using System.Configuration;
e+[*4)Qfy using System.Diagnostics;
='7m$,{(Q[ using System.IO;
7H7
Xbi@ using System.Text;
)@g[aRFa using System.Threading;
Y)rK'OY' W{6QvQD8 namespace MyEventLog
7)rQf{q7 {
Fy=GU<&AI /// <summary>
uzd7v, /// 事件日志记录类,提供事件日志记录支持
NQdwj>_a /// <remarks>
m06'T2 I /// 定义了4个日志记录方法 (error, warning, info, trace)
%BI8m|6 /// </remarks>
>^Nnhnr /// </summary>
$@AJg public class ApplicationLog
`Skvqo(5: {
pzF_g-B /// <summary>
Aiq Kf= /// 将错误信息记录到Win2000/NT事件日志中
(m/:B=K /// <param name="message">需要记录的文本信息</param>
1-kuK<KR /// </summary>
Hv/C40uM- public static void WriteError(String message)
r:QLU]
{
N*IroT3 WriteLog(TraceLevel.Error, message);
b_x!m{ }
$fb%?n{ P;5)Net1X /// <summary>
)."ob=m /// 将警告信息记录到Win2000/NT事件日志中
?^&ih:" /// <param name="message">需要记录的文本信息</param>
^ D0"m>3r /// </summary>
W~ yb>+u public static void WriteWarning(String message)
$(1t~u<17 {
a*M|_&MH* WriteLog(TraceLevel.Warning, message);
Tuvs} }
7K"3[. ,:S#gN{U /// <summary>
`m 5\ /// 将提示信息记录到Win2000/NT事件日志中
EjPR+m /// <param name="message">需要记录的文本信息</param>
bb_elmb)n /// </summary>
(kL"*y/"p public static void WriteInfo(String message)
<&eJIz= {
~kc#"^sJ WriteLog(TraceLevel.Info, message);
m(f`=+lqI` }
"im5Fnu /// <summary>
{|9knP /// 将跟踪信息记录到Win2000/NT事件日志中
KloX.y)q /// <param name="message">需要记录的文本信息</param>
rJ/HIda /// </summary>
0akJv^^D public static void WriteTrace(String message)
M6-uTmN:d {
]}`t~#Irz WriteLog(TraceLevel.Verbose, message);
Ana[>wSZO@ }
?V`-z#y7 i4YskhT /// <summary>
ra~=i|s /// 格式化记录到事件日志的文本信息格式
< F5VJ /// <param name="ex">需要格式化的异常对象</param>
W6?=9].gc /// <param name="catchInfo">异常信息标题字符串.</param>
P2'c{],3V /// <retvalue>
e N`+ r /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
7FwtBO /// </retvalue>
{aE[h[=r /// </summary>
EW$drY@ public static String FormatException(Exception ex, String catchInfo)
A!Tl {
a`Bp^(f} StringBuilder strBuilder = new StringBuilder();
9Qyc!s` if (catchInfo != String.Empty)
(j>`+F5f {
B7Ket8<J strBuilder.Append(catchInfo).Append("\r\n");
w5Fk#zJv }
m{>1#1;$t strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
bB@=J~l4 return strBuilder.ToString();
k4#j
l<R }
tGOJ4 = s}JifY` /// <summary>
Gza=
0 /// 实际事件日志写入方法
yBK$2to~ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
zFOtOz`9H /// <param name="messageText">要记录的文本.</param>
,DEq"VW_ /// </summary>
0d[O/Q` private static void WriteLog(TraceLevel level, String messageText)
KXMf2)pa {
**P P try
/[c_,G"" {
PE{<'K\g EventLogEntryType LogEntryType;
C.4(8~Y=~ switch (level)
wQW`Er3w {
jP+{2)z"W case TraceLevel.Error:
Gd!_9S`68 LogEntryType = EventLogEntryType.Error;
dpz@T>MS= break;
B}qG-}(V case TraceLevel.Warning:
$`OyGeq"T LogEntryType = EventLogEntryType.Warning;
S^R dj ] break;
h]@'M1D% case TraceLevel.Info:
C32*RNG?U LogEntryType = EventLogEntryType.Information;
e&ti(Q= break;
[fCnq case TraceLevel.Verbose:
XK~HfA? LogEntryType = EventLogEntryType.SuccessAudit;
gwNZ`_Q break;
ttr` default:
[vI ;A! LogEntryType = EventLogEntryType.SuccessAudit;
P}'B~~9W break;
RA a1^Qb }
7OLHY t9 L%[>z'Zp EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
RH,x);J| //写入事件日志
Y4YZM eventLog.WriteEntry(messageText, LogEntryType);
L0VZ>!*o q%d,E1 }
cZ%tJ(&\7X catch {} //忽略任何异常
yIiVhI?X }
!4v>|t q! } //class ApplicationLog
I_#5gq }
= ~s+<9c] r5[pT(XT] 12.Panel 横向滚动,纵向自动扩展
t=eI*M+>h <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
nh7_
jEX F<h+d917 13.回车转换成Tab
[qY yr <script language="javascript" for="document" event="onkeydown">
NPv.7, if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
{KDN|o+% event.keyCode=9;
I[rR-4.F] </script>
z\FBN=54z C-ORI}o onkeydown="if(event.keyCode==13) event.keyCode=9"
d@^%fVhG ElTB{C>u 14.DataGrid超级连接列
"Plo[E DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
6wT ])84 Z@Q/P(t 15.DataGrid行随鼠标变色
|[r7B*fw private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
W.s8!KH: {
YXTV$A+lW if (e.Item.ItemType!=ListItemType.Header)
iN[6}V6Sm {
Zs|Ga,T e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
W4.w e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
@}PXBU }
!m))Yp-"H }
Px-VRANZt k:7Gb7\ 16.模板列
bD/ZKvg <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Kt qOA[6 <ITEMTEMPLATE>
zrSYLG <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
s[eSPSFZ </ITEMTEMPLATE>
vC1fKo\p </ASP:TEMPLATECOLUMN>
rF}Q(<Y86 }UcdkKq <ASP:TEMPLATECOLUMN headertext="选中">
*[i49X&rd <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
AMB{Fssz <ITEMTEMPLATE>
NKEmY-f; <ASP:CHECKBOX id="chkExport" runat="server" />
GL>YJ% </ITEMTEMPLATE>
k:V9_EI= <EDITITEMTEMPLATE>
FS)#
v <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
]7TOA$Q </EDITITEMTEMPLATE>
>Mh\jt\ </ASP:TEMPLATECOLUMN>
`e;r$Vpd_ a0k;way 后台代码
Y|wjt\M protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
z{
M2tLNb {
}M(xN6E //改变列的选定,实现全选或全不选。
'aV'Am+: CheckBox chkExport ;
H}_R `S if( CheckAll.Checked)
cGm?F,/` {
xR$T/] / foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
569p/? {
8kcMgCO chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
=rZ'!Pa chkExport.Checked = true;
Nw9:Gi }
Yh^8
! }
/~".GZ&29 else
dPpJDY0 {
N3lz-vP- foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
?zC{T*a {
u^MRKLn chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
y'b*Dk{ chkExport.Checked = false;
\K"7U }
I0H]s/*C%9 }
\ `z%5/@f; }
31 <0Nw;l J,?F+Qji&= 17.数字格式化
fwA8=oSZd zjow % 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
j
`!Ge <%#Container.DataItem("price","{0:¥#,##0.00}")%>
7BINqVS& co\Il]`R/ int i=123456;
dG0z A
D string s=i.ToString("###,###.00");
jTg~]PQ^ uD?G\"L
i 18.日期格式化
HnjA78%i %,~\,+NP 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
U/AiI;Ne .hG*mXw> 显示为: 2004-8-11 19:44:28
xk/-TXB
0 7q;`~tbC 我只想要:2004-8-11 】
-G/qfd|s/ <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
>`WfY(Lq :Cx|(+T 应该如何改?
U$OI]Dd9 5rbb
,* 【格式化日期】
bW!
&n OE0G*`m 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
7$g$p&,VX |kvH`&s 【日期的验证表达式】
;ltk}hJ] eCsk\f` A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
Y-y yg4JH ^((\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})))?$
6|B9kh} w< Xwz`O B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
vC@^B)5gb ^\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]))$
6hd<ys? 1|"BpX~D 【大小写转换】
F xm:m HttpUtility.HtmlEncode(string);
.1;UEb|T HttpUtility.HtmlDecode(string)
=+wd"Bu NNbdP;=:u 19.如何设定全局变量
TvDC4tm-: g6lWc@]F Global.asax中
mgVYKZWL-i 7p2xst Application_Start()事件中
B1!xr-kC 4LB8p7$|a3 添加Application[属性名] = xxx;
UsFn! !+ I-r+1gty 就是你的全局变量
=HsE:@ 4L8hn4F 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
f4Y)GO<R] 0&]1s HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
u)<s*jk 9>9EZ?4m 【ASPNETMENU】点击菜单项弹出新窗口
[F-GaaM \298SH(!7 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
/o m++DxV <?xml version="1.0" encoding="GB2312"?>
< z2wt <MenuData ImagesBaseURL="images/">
Su2{ nNC> <MenuGroup>
m!%aB{e <MenuItem Label="内参信息" URL="Infomation.aspx" >
]n|Jc_Y <MenuGroup ID="BBC">
2,q*[Kh1 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
,oA<xP-* <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
6ABK)m-y ......
={ms@/e/T p8!T)
?| 最好将你的aspnetmenu升级到1.2版
\|S!g_30m P$z_A8} 21.读取DataGrid控件TextBox值
|sReHt2)d foreach(DataGrid dgi in yourDataGrid.Items)
Y!CUUWM {
/!?LBtqy TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
[^5;XD:%&l tb.Text....
\CMZ_%~wU }
)?$[iu7 s +GI906K 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
v.jxG{~. K@O^\ 〖思归〗
",$_\l <asp:TemplateColumn HeaderText="数量">
BHUI1y5t <ItemTemplate>
<:}nd:l1 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
8D*nU3O onkeyup="javascript:DoCal()"
W#p7M[ />
Ur(R[*2bx 2jFuF71 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
}xk(aM_ </ItemTemplate>
}uZs)UQ|$ </asp:TemplateColumn>
yfZNL?2x cs+3&T:,* <asp:TemplateColumn HeaderText="单价">
$eYL|?P50h <ItemTemplate>
lvO6&sF1 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
\wK&wRn) onkeyup="javascript:DoCal()"
@AEH?gOX />
6Wu*zY_+ &
o5x <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Re,;$_6o /4&gA5BS] </ItemTemplate>
O[Vet/^) </asp:TemplateColumn>
<\^0!v m\6/:~qWW <asp:TemplateColumn HeaderText="金额">
.[Sis<A]% <ItemTemplate>
ubcB<=xb <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
D=0YLQ*rP </ItemTemplate>
W[ l </asp:TemplateColumn><script language="javascript">
yLnQ9BXB& function DoCal()
+>Wo:kp3 {
Q^(CqQo!< var e = event.srcElement;
$w0TEO! var row = e.parentNode.parentNode;
=;rLv7(a var txts = row.all.tags("INPUT");
0q}i5%m7 if (!txts.length || txts.length < 3)
V}jGxt0 return;
+A|
Bc~2! >,e^}K}C var q = txts[txts.length-3].value;
u<-)C)z var p = txts[txts.length-2].value;
0#*6:{/^ 8q^}AT<C if (isNaN(q) || isNaN(p))
-?Cr&!*B return;
5\Q Tm; 'nCVjO7o q = parseInt(q);
i,6OMB
$ p = parseFloat(p);
7%*#M#(T I!lDKS,b txts[txts.length-1].value = (q * p).toFixed(2);
1}(22Q; }
O~3
A>j </script>
i2=- su :zY4phR 4V@%Y,:ee nLN0zfhE# F>fCp 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。
O_FB^BB page_load
4agW<c# page.smartNavigation=true
FM{f{2j q0.!T0i 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 ?
(i~UH04r>s private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
/Hr|u {
`16'qc for(int i=0;i<e.Item.Cells.Count-1;i++)
wC1pfXa if(e.Item.ItemType==ListItemType.EditType)
m#_BF# {
@{/)k%U e.Item.Cells.Attributes.Add("Width", "80px")
.?Eb{W)^br }
*:%&z?<Fw }
Y{}
ub]i ~+Wx\:TT 26.对话框
K~L&Z?~|E private static string ScriptBegin = "<script language=\"JavaScript\">";
NI?O private static string ScriptEnd = "</script>";
;hT3N UCA UmR)L!QT8 public static void ConfirmMessageBox(string PageTarget,string Content)
0D5Z#iW>1 {
]#o;`5' string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
Rhc:szDU ?C|'GkT ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
L=lSW7R }B0[S_mw Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
.j4y0dh33 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
ChiIQWFE //Response.Write(strScript);
- Jaee,P }
'\bokwsP x^lcT 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
a6Vfd& 13?:a[~=Y 1.1 取当前年月日时分秒
Ii0\Skb currentTime=System.DateTime.Now;
5{=+S] =M1}HF,7>l 1.2 取当前年
,
z\Qd07u int 年= DateTime.Now.Year;
WJ8i=MO67 h0F=5| B 1.3 取当前月
]xRR/S4 int 月= DateTime.Now.Month;
e66Ag}Sw| ip?]&5s 1.4 取当前日
d(^8#4
int 日= DateTime.Now.Day;
0moA mfc kqB# 9 1.5 取当前时
#Us<#"fC int 时= DateTime.Now.Hour;
x-i,v"8 vjX,7NY? 1.6 取当前分
'{WEyhaS int 分= DateTime.Now.Minute;
`)cI^! $~5H-wJ 1.7 取当前秒
q{h,}[U=
int 秒= DateTime.Now.Second;
<VZ43I g;Ugr8 1.8 取当前毫秒
k
(AE%eA int 毫秒= DateTime.Now.Millisecond;
k
-G9'c~ /)[-5n{ 28.自定义分页代码:
P[fy #~p;s> 先定义变量 :
Q m*z public static int pageCount; //总页面数
B-g-T>8 public static int curPageIndex=1; //当前页面
}`CF(Do e(w c
[bv 下一页:
NrS+N;i if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
#_^p~: {
o|>=<l DataGrid1.CurrentPageIndex += 1;
|8E~C~d curPageIndex+=1;
8(j]=n6r }
y9mV6.r 2{RRaUoRb bind(); // DataGrid1数据绑定函数
OybmyGHY 2MB>NM<xO 上一页:
Q"s6HZ"YI if(DataGrid1.CurrentPageIndex >0)
p p0356 {
a;dWM(;Kw DataGrid1.CurrentPageIndex += 1;
<Z t ]V`- curPageIndex-=1;
<
e3] pM }
)'jGf;du }WJXQ@ bind(); // DataGrid1数据绑定函数
N@_y<7#C Y->sJm 直接页面跳转:
+|;Ri68 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
!^Ay! sRLjKi2D if(a<DataGrid1.PageCount)
o[wiQ9Tl {
el<Gd.p.d this.DataGrid1.CurrentPageIndex=a;
l9/}fMi }
Z*P/ ubV' [Y@}{[q5 bind();
Jv
5l O:+y/c 29.DataGrid使用:
>r)UDa+ Y,mo}X<> 添加删除确认:
9FC_B+7 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
%iPIgma {
"=%YyH~WY foreach(DataGridItem di in this.DataGrid1.Items)
ZH=Bm^ {
(j:[<U if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
gzK/ l: {
ku57<kb ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
ZJ)>gV }
MS2/<LD3d }
IN;!s#cl: }
?3LV$S)U 9]chv>dO)= 样式交替:
<b4}
B ListItemType itemType = e.Item.ItemType;
f[`&3+ cWQ &zc if (itemType == ListItemType.Item )
taVK&ohWx {
jA@
uV,w e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
&H,UWtU+ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
lZ"C~B}9:I }
$^e_4]k else if( itemType == ListItemType.AlternatingItem)
"FE%k>aV@v {
3<Z@!ft8 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
u3 +]3!BQ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
J| 46i }
lS2`#l > _+~jZ]o
N 添加一个编号列:
8;UkZN"hy5 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
_s=<Y^l%x DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
ncsk(`lo m*e8j[w# for(int i=0;i<dt.Rows.Count;i++)
o9{1_7K {
|c$*Fa"A dt.Rows["number"]=(i+1).ToString();
Q\^BOdX^` }
$0M7P5]N*G :W'.SRD DataGrid1.DataSource=dt;
5 "x1Pln DataGrid1.DataBind();
3=Xvl 58k o}D7 $6 DataGrid1中添加一个CheckBox,页面中添加一个全选框
poZ&S private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
nrTCq~LO( {
<Lle1=qQ foreach(DataGridItem thisitem in DataGrid1.Items)
>u`Ci>tY {
CS xB)- ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
XQ Si }
z)&&Ym# }
~VF?T~Kr_ JkNRXC: 将当前页面中DataGrid1显示的数据全部删除
- :x6X$= foreach(DataGridItem thisitem in DataGrid1.Items)
ZN;fDv {
zL+M-2hV if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
M[Jy?b) {
pWGIA6&v( string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
][T>052v Del (strloginid); //删除函数
*_uGzGB&G }
kPp7;U2A }
2CPh'7|l DM !B@ 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)
O/f+B}W L8KMMYh[ 在Application_Start中添加以下代码:
u+]8Sq Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
DIc -"5~ AppSettings["ConnStr"].ToString();
{X&H k Rp$[^ma 31. 变量.ToString()
pU@&- SfwNNX% 字符型转换 转为字符串
K!SFS 12345.ToString("n"); //生成 12,345.00
Bjsg!^X7 12345.ToString("C"); //生成 ¥12,345.00
$[*<e~? 12345.ToString("e"); //生成 1.234500e+004
X~g~U|B@ 12345.ToString("f4"); //生成 12345.0000
'di(5 12345.ToString("x"); //生成 3039 (16进制)
hW-?j&yJ? 12345.ToString("p"); //生成 1,234,500.00%
XRWy#Pj !&vPG>V 32、变量.Substring(参数1,参数2);
eq$.np hxuc4C\J 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);
X?OH//co &^^V*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)
p6W|4_a? <SCRIPT language="javascript">
_air'XQ&! <!--
/~;om\7r function gook(pws)
9g`o+U{ {
uBfSS\SX| frm.submit();
X_2pC|C }
i5jsM\1j //-->
q2~@z-q)b ='<789wT </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
j)b[7% <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
yw+LT,AQ. <tr>
/K\]zPq <td>
nv/'C=+L <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
B0|!s <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
zX}t1:nc <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
h0)Dj(C I::|d,bR! <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
Dg
o-Os@ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
1paLxR5 EE$\8Gx']! </td>
Bw25+l Px
aK33bn'j </tr>
&r)[6a$fW H?_>wQj& </form>
xTg=oq ce:p* 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。
F_F02:t &OsO _F 下面是获取用户输入的登陆信息的代码:
F(KsB5OY? string name;
@A'@%Zv- name=Request.QueryString["EmailName"];
Lz{z~xNHW. h5<eU;Rw+ try
K*S3{s%UR {
z}w7X6&e int a=name.IndexOf("@",0,name.Length);
W`v$-o- f_user.Value=name.Substring(0,a);
#+#^cqjZ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
'e/wjV f_pass.Value=Request.QueryString["Psw"];
dVe,;?+A }
QtQbr*q@% 6GA+xr= catch
f~ wgMp.W0 {
Q$(Fma 4a Script.Alert("错误的邮箱!");
,49Z/P Server.Transfer("index.aspx");
lFl(Sww!\ }