1. 打开新的窗口并传送参数:
mX?t|:[b YkFERIa076 传送参数:
,p!IFS` response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
&l4kwds R L:Mjd47L 接收参数:
-8dz`o} string a = Request.QueryString("id");
$1Wb`$ string b = Request.QueryString("id1");
5fz
K*[B
AsvH@\\ 2.为按钮添加对话框
8@RJ> Button1.Attributes.Add("onclick","return confirm(’确认?’)");
LvZ',u} button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
$@L2zl1 1=`VaS 3.删除表格选定记录
:h!'\9 int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ou`KkY|| string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
=)*ZrD zz(EH<> 4.删除表格记录警告
nwqA\ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
4]-7S l, {
02,.UqCz switch(e.Item.ItemType)
q|r*4={^!* {
e@/' o/ case ListItemType.Item :
""_B3' case ListItemType.AlternatingItem :
[/l&:)5W> case ListItemType.EditItem:
iOL/u)
TableCell myTableCell;
<Z\{ijfvD myTableCell = e.Item.Cells[14];
2vb qz LinkButton myDeleteButton ;
MD3iWgM myDeleteButton = (LinkButton)myTableCell.Controls[0];
<Of-,PcCV myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
v!$?;"d+ break;
wM3m'# xJ default:
@Pi]kWW}) break;
2^w{Hcf }
Q}a(vlZ Z%=A[`5] }
1K R4Wq@ <(V~eo
e 5.点击表格行链接另一页
,WM-%2z^4I private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
lvNi/jk {
$xF[j9nM //点击表格打开
#\ysn|!J, if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_+~&t9A! e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
c++q5bg@) }
JZE@W-2 o|#F@L3i 双击表格连接到另一页
[,MK)7DU #hMkajG 在itemDataBind事件中
tF./Jx]_ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
9\=SG"e( {
cqW(9A|8 string OrderItemID =e.item.cells[1].Text;
UnEgsfN ...
!41"`D!1 e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
[;ZC_fD }
GCv1x-> _>?.MUPB 双击表格打开新一页
Pf?15POg&B if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
4 ?[1JN> {
t~) g)=> string OrderItemID =e.item.cells[1].Text;
4Tx.| ...
]<c\+9 e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
.~q>e*8AH }
/^bU8E&^M "V`DhOG& ★特别注意:【?id=】 处不能为 【?id =】
ta
PqRsvu 6.表格超连接列传递参数
?[Ma" l> <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
6:`[Fi <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
&2O~BIRE >m{>0k(^` 7.表格点击改变颜色
[nrD4 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
'iDkAmvD {
U\-.u3/ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
z^WY5~? this.style.color=’buttontext’;this.style.cursor=’default’;");
>&F:/ }
?C rls{~ZRl 写在DataGrid的_ItemDataBound里
u]ps-R_$G if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
+4rd
N\. {
m|
7v76( e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
oJ/=&c this.style.color=’buttontext’;this.style.cursor=’default’;");
sBqOcy e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
02T'B&&~ }
, q{~lf- 9>`dB h'_$I4e) 8.关于日期格式
aVr =7PeF BqA_CW 日期格式设定
\~zm_-Hw@Y DataFormatString="{0:yyyy-MM-dd}"
.C ,dV7 b^P\Q s*m 我觉得应该在itembound事件中
H\9ePo\b~ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
|B64%w>Y 036QV M$ 9.获取错误信息并到指定页面
mQ:YHtHE.F a$bE2'cb 不要使用Response.Redirect,而应该使用Server.Transfer
+kD JZ +>$Kmy[3 e.g
s'IB{lJ9 // in global.asax
l
m(mY$B*_ protected void Application_Error(Object sender, EventArgs e) {
kf9]nIo if (Server.GetLastError() is HttpUnhandledException)
imhE=6{ Server.Transfer("MyErrorPage.aspx");
{G<1. [qkc6sqo //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
(XFF}~>B. }
+RkXe;q K,*-Y)v2W Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Pt-O1$C[ aYWUwYB$ 10.清空Cookie
wqJl[~O$ Cookie.Expires=[DateTime];
pE X Q Response.Cookies("UserName").Expires = 0
1&9w]\Ae7l P.1Z@HC 11.自定义异常处理
V-X Ty
iv //自定义异常处理类
3v `@** using System;
\YF07L]qs- using System.Diagnostics;
KDA2
H> sr(nd35 namespace MyAppException
[UB*39D7 {
yw89*:A6 /// <summary>
bMv[.Z@v( /// 从系统异常类ApplicationException继承的应用程序异常处理类。
Dqd2e&a\ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
|_ U!i /// </summary>
q]SH'Wd public class AppException:System.ApplicationException
A0v@L6m-O {
2d
YU public AppException()
Ag8lI+
h {
1Y~'U
=9 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
8|5+\1!#/) }
6Lg#co}9 3 +`,'Q9 public AppException(string message)
0V`~z-# {
ZjrBOb LogEvent(message);
NdXC8 }
IH5^M74b d5R2J:dI public AppException(string message,Exception innerException)
%Q;:nVt {
,\d03wha LogEvent(message);
1|:;~9n<t if (innerException != null)
uX&h~qE/ {
lZ <D,& LogEvent(innerException.Message);
2^:iU{ }
If8
^ }
wub7w# %*IH~/Ld;] //日志记录类
`49!di[ using System;
}h8U.k?v using System.Configuration;
Lc "{ePFh using System.Diagnostics;
w]V684[> using System.IO;
G9K& }_, using System.Text;
>enP~uW[# using System.Threading;
\]\ h,Y8 ?`6Mfpvj96 namespace MyEventLog
t? =V<Yd1 {
u
bZ`Y$ /// <summary>
Ay%]l| Gm /// 事件日志记录类,提供事件日志记录支持
nB5^ /// <remarks>
g9d/nRX& /// 定义了4个日志记录方法 (error, warning, info, trace)
q~*|Wd'& /// </remarks>
o? K>ji! /// </summary>
]"j%:fr public class ApplicationLog
*/$] kE {
,JPDPI/a /// <summary>
HW"5MZ8E /// 将错误信息记录到Win2000/NT事件日志中
Y ._Om}H /// <param name="message">需要记录的文本信息</param>
.f!:@fX>= /// </summary>
47A[-&y*X public static void WriteError(String message)
j)juvat {
fWF!% |L WriteLog(TraceLevel.Error, message);
%?8.UW\m }
fWDTP|DV zgn`@y2 /// <summary>
=eh!eZ9 /// 将警告信息记录到Win2000/NT事件日志中
^1aY,6I: /// <param name="message">需要记录的文本信息</param>
&W&A88FfZU /// </summary>
:r{W)(mm public static void WriteWarning(String message)
_eH@G(W( {
GSH,;cY WriteLog(TraceLevel.Warning, message);
BAT.> }
[?g}<fa pK/RkA1 /// <summary>
#sbW^Q'I
/// 将提示信息记录到Win2000/NT事件日志中
Z 8GIZ /// <param name="message">需要记录的文本信息</param>
g|4>S<uC /// </summary>
^?0?* public static void WriteInfo(String message)
N~S#(.}[ {
kY'C'9p WriteLog(TraceLevel.Info, message);
hl DU.k }
F#qc#s /// <summary>
!9j6l0 /// 将跟踪信息记录到Win2000/NT事件日志中
l
SuNZYaO /// <param name="message">需要记录的文本信息</param>
DLe>EU;vS /// </summary>
th0>u.hJ public static void WriteTrace(String message)
~uB@o KMru {
|]-~yYqP3 WriteLog(TraceLevel.Verbose, message);
f;&XTF5D^ }
?3v-ppw% )_?H BTG /// <summary>
`H^
H#W /// 格式化记录到事件日志的文本信息格式
j2 >WHh /// <param name="ex">需要格式化的异常对象</param>
m]{/5L /// <param name="catchInfo">异常信息标题字符串.</param>
@ W q8AFo /// <retvalue>
@9k/od@mW /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
\Z~
<jv /// </retvalue>
8. %g&%S /// </summary>
u(ETc*D] public static String FormatException(Exception ex, String catchInfo)
`1FNs?j {
+hlR StringBuilder strBuilder = new StringBuilder();
4(,X.GVY/ if (catchInfo != String.Empty)
R m2M {
n~i^+pD@ strBuilder.Append(catchInfo).Append("\r\n");
'p%w_VbI }
90wnwz strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
s;tI?kR>% return strBuilder.ToString();
"#Q"gC.K }
ER4#5gd G2:.8ok /// <summary>
V@1,((,l /// 实际事件日志写入方法
c5[~2e /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
=Prz| /// <param name="messageText">要记录的文本.</param>
C"k]U[%{ /// </summary>
.wtYostv private static void WriteLog(TraceLevel level, String messageText)
}UG<_bE| {
(YYwn@NGj try
'sk M$jr {
;b_<5S EventLogEntryType LogEntryType;
vgr5j switch (level)
^vOEG;TR<- {
5?E;YyA case TraceLevel.Error:
ZCfd<NS? LogEntryType = EventLogEntryType.Error;
clIn}wQ break;
X{h[ case TraceLevel.Warning:
dcE(uf LogEntryType = EventLogEntryType.Warning;
iciRlx.$c break;
z qd1G(tO case TraceLevel.Info:
g+C~}M_7 LogEntryType = EventLogEntryType.Information;
CY!H)6k break;
(W9 K:]} case TraceLevel.Verbose:
7?
="{; LogEntryType = EventLogEntryType.SuccessAudit;
mVT[:a3 break;
2k`Q+[?{q> default:
DuC_uNJ LogEntryType = EventLogEntryType.SuccessAudit;
G/KTF2wl7 break;
X8XE_VtP }
2nSz0 . @,pn/[ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
6(q8y(.` //写入事件日志
fs#9*<]m eventLog.WriteEntry(messageText, LogEntryType);
U8zs=tA @ZcI]G% }
!zfV(& catch {} //忽略任何异常
\Fu(IuD }
JS&;7Z$KX } //class ApplicationLog
/T 4GPi\lg }
VB4ir\nF Ek '%%% 12.Panel 横向滚动,纵向自动扩展
\6/!{D, <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
4HGR-S/ ,Fu[o6x<^ 13.回车转换成Tab
w4UJXc <script language="javascript" for="document" event="onkeydown">
!nF.whq if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
pq]>Ep event.keyCode=9;
(T.g""N~` </script>
^3Z~RK\} pEb/ yIT" onkeydown="if(event.keyCode==13) event.keyCode=9"
T<mP.T,$! z_Pq5 14.DataGrid超级连接列
qqu]r DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
<mQ9YO# zR}vR9Ls 15.DataGrid行随鼠标变色
tz%H1` private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
z*N%kcw" {
Ja%isIdh if (e.Item.ItemType!=ListItemType.Header)
Q+E)_5_sA {
~A*$+c( e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Z&GjG6t e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
SCq3Kh }
ZVCa0Km
}
b.xG' //^{u[lr 16.模板列
Lo +H&- <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
G-DOI <ITEMTEMPLATE>
}wGy#!CSza <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
ESkhCDU </ITEMTEMPLATE>
[iN\R+: </ASP:TEMPLATECOLUMN>
#|
m*k JvtbGPz <ASP:TEMPLATECOLUMN headertext="选中">
!LpFK0rw <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
4/&.N] <ITEMTEMPLATE>
3u=>Y^wu <ASP:CHECKBOX id="chkExport" runat="server" />
8oP"?ew# </ITEMTEMPLATE>
x\5\KGw16 <EDITITEMTEMPLATE>
%lGg}9k' <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
TnPx.mwK\ </EDITITEMTEMPLATE>
5^36nEoA( </ASP:TEMPLATECOLUMN>
F\+!\b*lP ov'C0e+o 后台代码
a &hj| protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
stOD5yi {
:j;_Xw //改变列的选定,实现全选或全不选。
28 ;x5m)N CheckBox chkExport ;
M` |E)Y if( CheckAll.Checked)
lZD"7om {
5g
phza foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
PtOYlZTe? {
2| ERif;) chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
-p20UP 1I chkExport.Checked = true;
RG`eNRTQ% }
C33=<r[;N< }
xx[l#+:c else
bm(.(0MI {
K1-y[pS]E foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
p+:MZP -%( {
o@r~KFIe chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
u%nhQ% chkExport.Checked = false;
$_
k:{? }
/#e-x|L }
#lx(F3 }
Pb/[945 PkDh[i9Z| 17.数字格式化
|`@7G`x bVds23q 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
]bAw>1,NVD <%#Container.DataItem("price","{0:¥#,##0.00}")%>
v`~egE17 8?$XT int i=123456;
DbH'Qs?z string s=i.ToString("###,###.00");
dqw0ns.2 mUwGr_)wj 18.日期格式化
X%Ta?(9|.^ w;V+)r?w 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
^e1mK4` #(r1b'jfP 显示为: 2004-8-11 19:44:28
SHe547X1 6Zq7O\ 我只想要:2004-8-11 】
| <- t <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
biAa& 6i*LP(n 应该如何改?
F ss@/- 5`1p
? 【格式化日期】
!FbW3p f Rc`zt7hbJ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
z6bIv} #|acRZ9
} 【日期的验证表达式】
-o`|A767 d{RMX<;G A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
WD?COUEox ^((\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})))?$
MK, $# &uG@I=}TIY B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
X6EnC57 ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
5@{~830 KvuM{UI5 【大小写转换】
B7nm7[V HttpUtility.HtmlEncode(string);
Ct9*T`Gl HttpUtility.HtmlDecode(string)
j79$/ Ol
C:
a</Sl 19.如何设定全局变量
\%]!/&>{6 Hp-vBoEk Global.asax中
hrTl:\ @z7$1pl} Application_Start()事件中
d8/KTl (KdP^.7 添加Application[属性名] = xxx;
Z}$1~uyw ^h"F\vIpV 就是你的全局变量
2)jf~!o)Z MHAWnH8 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#i[V{J8.p MD=!a5' HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
cW\Y1=Gv| &%` 0&y 【ASPNETMENU】点击菜单项弹出新窗口
m7m)BX%O SI/p8 ^ 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
T+)#Du <?xml version="1.0" encoding="GB2312"?>
NC{8[*Kx5 <MenuData ImagesBaseURL="images/">
hZeF? G)L' <MenuGroup>
4F?O5&329i <MenuItem Label="内参信息" URL="Infomation.aspx" >
>7nOR <MenuGroup ID="BBC">
>Ms_bfSK <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
kDK0L3}nr] <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
$C9['GGR ......
5tm:|.`SQ -Oc 最好将你的aspnetmenu升级到1.2版
NUGiDJ+[ &3bh K5P 21.读取DataGrid控件TextBox值
}n$I #G}\/ foreach(DataGrid dgi in yourDataGrid.Items)
khfWU {
oD~q/04! TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
$1;@@LSw tb.Text....
9Gk#2 }
\xexl1_; _f<#+*y 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?
55vI^SSA hC...tk 〖思归〗
+{"w5o<CO <asp:TemplateColumn HeaderText="数量">
]`_eaW?Ua <ItemTemplate>
RWINdJZ <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
0;x<0P onkeyup="javascript:DoCal()"
:N
]H"u9X />
E sx`UG| $5Tjo
T <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
[HSN*LXe </ItemTemplate>
JD{AwE@Ro </asp:TemplateColumn>
P/doNv}iG EF[I@voc <asp:TemplateColumn HeaderText="单价">
(pkq{: Fs <ItemTemplate>
t
gHXIr}3 <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
G;v3kGn onkeyup="javascript:DoCal()"
p#tbN5i[{7 />
2qfKDZ9f^ v!%VH?cA8 <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
#kPsg9Y =!P$[pN2 </ItemTemplate>
@1iH4RE* </asp:TemplateColumn>
\6K1Z!*; L|K^w *\C <asp:TemplateColumn HeaderText="金额">
u13v@<HGc <ItemTemplate>
_$BH.I <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Ej/P:nB </ItemTemplate>
*K2fp=Ns </asp:TemplateColumn><script language="javascript">
@rt}z+JF function DoCal()
K8g9IZ*lT {
C+X-Cp var e = event.srcElement;
Q804_F
F# var row = e.parentNode.parentNode;
!:9s>0';N var txts = row.all.tags("INPUT");
Q[UYNQ0w if (!txts.length || txts.length < 3)
8PwPI%Pb return;
2)47$eu C &-]RffA var q = txts[txts.length-3].value;
Cy'! > var p = txts[txts.length-2].value;
G.sf>.[ RL~]mI!U if (isNaN(q) || isNaN(p))
-q}I;
cH return;
:dj=kuUTbu gtw?u b q = parseInt(q);
gaxxB]8 p = parseFloat(p);
&<oDl_^ #i0f}& txts[txts.length-1].value = (q * p).toFixed(2);
QsH?qI&2jp }
eCXw8 </script>
2RC@Fu~zaU dn|OY.`| NGOyd1$7N j`ybz G^ tboc7Hor4 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
6HR^q page_load
1i:Q
%E
F page.smartNavigation=true
n`2LGc[rP `]4bH,%~ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
7Hzv-s private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
AN
'L-
E {
L(w?.)E for(int i=0;i<e.Item.Cells.Count-1;i++)
=>,X)+O if(e.Item.ItemType==ListItemType.EditType)
NncII5z {
%6HJM| {H e.Item.Cells.Attributes.Add("Width", "80px")
k9 NPC" }
g RBbL1 }
F=r`'\JV[ f4r)g2Zb[ 26.对话框
h^=9R6im private static string ScriptBegin = "<script language=\"JavaScript\">";
RqRyZ*n private static string ScriptEnd = "</script>";
Nr:%yvk%s {'1e? public static void ConfirmMessageBox(string PageTarget,string Content)
4&+lc* {
`/L D:R string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
TwLQ;Q a7wc>@9Q, ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
U#
7K^(E9 XD$;K$_7 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
?N(opggiD ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
L|A.;Gq //Response.Write(strScript);
<A@qN95m }
.YxcXe3# a5@XD_b 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
U((mOm6 I2^Eo5' 1.1 取当前年月日时分秒
*ci%c^}V currentTime=System.DateTime.Now;
d td}P~ fi;00>y 1.2 取当前年
Tg\wBhJr| int 年= DateTime.Now.Year;
dId&tTMmC `sPH7^R 1.3 取当前月
ewORb int 月= DateTime.Now.Month;
4+'d">+| jRYW3a_7 1.4 取当前日
.rs\%M|X int 日= DateTime.Now.Day;
/w2jlu}yt 2<33BBlWA 1.5 取当前时
WDq~mi int 时= DateTime.Now.Hour;
QTT2P(Pz GBo'= 1.6 取当前分
$3je+=ER int 分= DateTime.Now.Minute;
+w'He9n %m?$"<q_K 1.7 取当前秒
]iE)8X int 秒= DateTime.Now.Second;
ISALR{Aq Z@ZSn0 1.8 取当前毫秒
+[Zcz4\9 int 毫秒= DateTime.Now.Millisecond;
^b@&O-&s o0\d`0-el 28.自定义分页代码:
2V)qnMxAZJ "Iwd-#;$; 先定义变量 :
i*2l4 public static int pageCount; //总页面数
(4oO8aBB public static int curPageIndex=1; //当前页面
#xBh62yIuP ~;P>}|6Y 下一页:
8xQjJ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
K6M_b?XekA {
a<d$P*I(cH DataGrid1.CurrentPageIndex += 1;
)9'Zb`n curPageIndex+=1;
kb2M3%6V }
?2i\ERG? j#[%-nOT bind(); // DataGrid1数据绑定函数
z((9vi W
5BsfbLKC 上一页:
T f;:C] if(DataGrid1.CurrentPageIndex >0)
3}25=%;[ {
n+%tu"e DataGrid1.CurrentPageIndex += 1;
cLyed3uU curPageIndex-=1;
1J @43>u{ }
`(Ij@84
7zEpuw bind(); // DataGrid1数据绑定函数
NQ qq\h Q3|I.I e 直接页面跳转:
lJ/{.uK int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
h(MS>= MR-cO Pn if(a<DataGrid1.PageCount)
@1^:V-= {
E!zAUEVQm[ this.DataGrid1.CurrentPageIndex=a;
T,SCK^ }
PuoN<9 # ZKco bind();
?Y|*EH C:$pAE( 29.DataGrid使用:
TB(!*t kRH;c,E@ 添加删除确认:
|dI,4Z\Qb private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
#,PB( {
9i*Xd$ G foreach(DataGridItem di in this.DataGrid1.Items)
X'XH-E {
k*Vf2O3${ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
"'\f?A9 {
XX|wle1Kg ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
*^t7?f[ }
vg ^&j0 }
y&{ Z"+B5 }
n9x&Ws; PHHX)xK 样式交替:
r,-9]?i ListItemType itemType = e.Item.ItemType;
%5|DdpES 'W]oQLD^R if (itemType == ListItemType.Item )
N_qKIc_R
{
6>Ca O e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
o; Ns-= e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
&7m)K>E27 }
bk{.9nz 2 else if( itemType == ListItemType.AlternatingItem)
;gmfWHB< {
Y%A
KN e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
g"o),$tm e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
95X!{\ }
k=8L hO KuohUH+ 添加一个编号列:
.,7ZDO9{ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
tpP2dg9dF DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
{_<,5)c }$T!qMst{ for(int i=0;i<dt.Rows.Count;i++)
3PU'd^ {
'p:L"L}Q? dt.Rows["number"]=(i+1).ToString();
aq<QKnU }
P|{Et=R`1 *zn=l+c DataGrid1.DataSource=dt;
<=7N2t)s4 DataGrid1.DataBind();
K`% I!Br @!zT+W& DataGrid1中添加一个CheckBox,页面中添加一个全选框
cA]Ch>]A% private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
>(:b\*C {
qc6eqE foreach(DataGridItem thisitem in DataGrid1.Items)
At=l>
{
2W]y9)<c ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
qtLXdSc }
jYi{[** }
iJD_qhd7
}j /r 将当前页面中DataGrid1显示的数据全部删除
Q($aN- foreach(DataGridItem thisitem in DataGrid1.Items)
2lm{: tS {
*N|s+ if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
y/}ENUGR {
{po f=G string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
Y^P'slY{% Del (strloginid); //删除函数
b/g"ws_ }
l5bd);Ltq }
^vH3 -A;* SuU %x2 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)
b$Ch2Qz0q 6a\YD{D] _ 在Application_Start中添加以下代码:
dxI t.h Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
`GD>3- AppSettings["ConnStr"].ToString();
WCPl}7> KB^i=+xr 31. 变量.ToString()
en6oFPG L4,Ke 字符型转换 转为字符串
/n|`a1! 12345.ToString("n"); //生成 12,345.00
F9&ae*>, 12345.ToString("C"); //生成 ¥12,345.00
={a_?l% 12345.ToString("e"); //生成 1.234500e+004
OK"B`* 12345.ToString("f4"); //生成 12345.0000
P Zc{wbjp& 12345.ToString("x"); //生成 3039 (16进制)
\d)~. 2$G* 12345.ToString("p"); //生成 1,234,500.00%
1S26Y|L) SWGD(]}uz 32、变量.Substring(参数1,参数2);
kW=GFj)L r+WY7'c 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);
>S:>_&I`I o>' 1ct 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)
]{<`W5b/ <SCRIPT language="javascript">
]2Q:&T <!--
yHL5gz@k function gook(pws)
}7H8Y}m {
fQB>0RR2 frm.submit();
bkgJz+u }
P5*~Wi` //-->
Ydr/ T/1 xE4iey@\} </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
eHjn<@ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
CNiUHUD <tr>
i@C$O.m( <td>
D/&^Y'|T <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
iS"( <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
01nbR+e <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
"7k
82dw
~e!b81 <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
u0(PWCi2 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
d* 6 lJT lbtVQW0V;o </td>
krC4O2Fkj @!:~gQ </tr>
l`vb ByK!r~>Z1Q </form>
Hi 1@ E\(dyq/ 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。
_IOt(Zb( <6s?M1J 下面是获取用户输入的登陆信息的代码:
BWct0= string name;
E .kjYIH8 name=Request.QueryString["EmailName"];
uWYI p\NN s2{d<0x?v try
MxY~(TVPK {
-U?Udmov int a=name.IndexOf("@",0,name.Length);
Eo$7W5hJ f_user.Value=name.Substring(0,a);
%Hk9.1hn5 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
x}W,B,q f_pass.Value=Request.QueryString["Psw"];
%\
i 7 }
ZgcJxWC< lKd+,< catch
\P;%fN {
aF9p%HPDw Script.Alert("错误的邮箱!");
?_L)|:WL Server.Transfer("index.aspx");
{/C
\GxH+ }