1. 打开新的窗口并传送参数:
J-|&[-Z
ih|;H:"^ 传送参数:
n$lVmQ6 response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
z~-(nyaBS 4(91T 接收参数:
?KB]
/gT^ string a = Request.QueryString("id");
74
WKy string b = Request.QueryString("id1");
}rvX} e^<'H 2.为按钮添加对话框
gyQPQ;"H$2 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
!4a#);`G button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
S"VO@)d ~ulcLvm:i 3.删除表格选定记录
Q:j~
kutS| int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
Ma'#5)D string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
C B`7KK [8<0Q_?, 4.删除表格记录警告
Qgf\"s private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
'6kD6o_p1 {
Rt5,/Q0 switch(e.Item.ItemType)
i)] f0F {
oiIl\#C case ListItemType.Item :
VJ8'T"^Hf case ListItemType.AlternatingItem :
*;(^)Sj4Q case ListItemType.EditItem:
}= wor~ TableCell myTableCell;
=:Yrb2gP_\ myTableCell = e.Item.Cells[14];
FWB
*=.A9 LinkButton myDeleteButton ;
52 *ii myDeleteButton = (LinkButton)myTableCell.Controls[0];
lUaJC'~p myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
~F53{qxV break;
l}iQ0v@ default:
3GNcnb break;
=it @U/ }
jXVvVv L|Xg4Z }
M}j[{wW3 JljCI@ 5.点击表格行链接另一页
q9H\ $ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
8f<y~L_(` {
1 +s;a]-C //点击表格打开
ubZJ Um if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
bEB2q\|Je e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
ie11syhV" }
Y]_$+Si:NK |g>Q3E 双击表格连接到另一页
)+"5($~ n=PfV3B 在itemDataBind事件中
u(fZ^ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
lu6iU {
C(9"59>{]y string OrderItemID =e.item.cells[1].Text;
P^# 4m ...
qcouZO e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
%Oo
f/q }
D)bL;h xFekSH7[F 双击表格打开新一页
(c&%1bJ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
)Fp$
*]| {
S8B?uU string OrderItemID =e.item.cells[1].Text;
?E_;[(Mcr ...
nbB*d@" e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
, O/IY }
kxN
O9w Ozhn`9L+1! ★特别注意:【?id=】 处不能为 【?id =】
98)C
7N' 6.表格超连接列传递参数
xmEom <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Y+o\?|q-E <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
[KFCc_: q2r$j\L% 7.表格点击改变颜色
o
^ \+Ua if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
mBJr*_p {
R8:5N3Fx e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
>_xuXEslUz this.style.color=’buttontext’;this.style.cursor=’default’;");
YF-A8gXS }
TpwN2 = *`|xa@1v` 写在DataGrid的_ItemDataBound里
3u/AqL if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
\m~p;B {
*sZH3: e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
Z:<an+v|5 this.style.color=’buttontext’;this.style.cursor=’default’;");
-)B_o#2=2 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
Qclq^|O0 }
Y8^WuN$ RjH68=n t1 U+7nM 8.关于日期格式
K9.Gjw '.;{"G.@' 日期格式设定
MoQ\~/Z| DataFormatString="{0:yyyy-MM-dd}"
|IV7g*J89 Cc*R3vHM6 我觉得应该在itembound事件中
Ll-QhcC$ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
y 3o3 G }#u #m. 9.获取错误信息并到指定页面
j}B86oX yci} #,nb 不要使用Response.Redirect,而应该使用Server.Transfer
+}M3O]?4 kx d*B
P e.g
\v6lcAL- // in global.asax
Z\U r F0 protected void Application_Error(Object sender, EventArgs e) {
|0oaEd^*} if (Server.GetLastError() is HttpUnhandledException)
$Hj;i/zD Server.Transfer("MyErrorPage.aspx");
r#2Fk&Z9 Z~QLjv&$/r //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
|dbKK\ X9 }
tK .1
* 4p-"1 c$ 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
/gl8w-6 0^dYu/i5 10.清空Cookie
|6b~c{bt Cookie.Expires=[DateTime];
qB,0(I1-! Response.Cookies("UserName").Expires = 0
zRD-[Z/- >$9}" 11.自定义异常处理
uSRhIKy //自定义异常处理类
A)3H`L using System;
,OubKcNg using System.Diagnostics;
<qpzs@ R3U|{vgl namespace MyAppException
X[r0$yuE {
ZAU#^bEQB /// <summary>
K0_gMi+bR /// 从系统异常类ApplicationException继承的应用程序异常处理类。
TwI s_r: /// 自动将异常内容记录到Windows NT/2000的应用程序日志
#=S^i[K/ /// </summary>
;*t#:U* public class AppException:System.ApplicationException
$-Ex
g*i {
}zf!mlk public AppException()
|idw?qCn {
2nC,1%kxhq if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
rIJPgF }
fglfnx0{ A]5];c public AppException(string message)
YS){N=g&' {
Y1I)w^}: LogEvent(message);
A] 'jsv!+ }
,!@ MLn /z4c>)fV public AppException(string message,Exception innerException)
Y8]@y0( {
dd<l;4( LogEvent(message);
z)U7 if (innerException != null)
Dqii60 {
qD ?`Yd LogEvent(innerException.Message);
@-L]mLY }
bTrusSAl }
<7F-WR/2n |k90aQO //日志记录类
AQ@)' using System;
>@Ht*h{~ using System.Configuration;
qf\W,SM using System.Diagnostics;
o.A:29KoU using System.IO;
[bP^RY: using System.Text;
eBnx$ using System.Threading;
pKy4***I3 &=jPt%7#M namespace MyEventLog
6Q [ {
>FwK_Zd' /// <summary>
Z s=A<[ /// 事件日志记录类,提供事件日志记录支持
NT.#U?9c /// <remarks>
e
}?.3,? /// 定义了4个日志记录方法 (error, warning, info, trace)
ty.$H24 /// </remarks>
ed#fDMXGQ% /// </summary>
;z.niX .fx public class ApplicationLog
6{]F#ig= {
y42Cg /// <summary>
aMY@**^v /// 将错误信息记录到Win2000/NT事件日志中
CAC4A /// <param name="message">需要记录的文本信息</param>
)V2W:M /// </summary>
f%@~|:G: public static void WriteError(String message)
=dDPQZEin {
`}#rcDK WriteLog(TraceLevel.Error, message);
=FhP$r* }
\8QOZjy Dk^AnMx%_ /// <summary>
v{ >3)$1 /// 将警告信息记录到Win2000/NT事件日志中
XyE$0i~t /// <param name="message">需要记录的文本信息</param>
k Alxm{ /// </summary>
}rfikm public static void WriteWarning(String message)
~W8Xg) {
Uc {m##! WriteLog(TraceLevel.Warning, message);
8R3{YJ6@T }
xt?-X%oY8 .6C/,rQ?c /// <summary>
3;BIwb_ /// 将提示信息记录到Win2000/NT事件日志中
=;uMrb4 /// <param name="message">需要记录的文本信息</param>
7\2I>W /// </summary>
)8W! | public static void WriteInfo(String message)
h>\C2Q {
P\ke%Jdpw? WriteLog(TraceLevel.Info, message);
/ki-Tha }
XlU\D}zS /// <summary>
"Esl I /// 将跟踪信息记录到Win2000/NT事件日志中
K$h\<_V /// <param name="message">需要记录的文本信息</param>
y'!OA+ob /// </summary>
H)D|lt5xy public static void WriteTrace(String message)
A|r3c?q {
K9k!P8Rd WriteLog(TraceLevel.Verbose, message);
Q*>)W{H&) }
x5Lbe5/P *7h~0%WR /// <summary>
b+|Jw\k /// 格式化记录到事件日志的文本信息格式
@}d;-m~ /// <param name="ex">需要格式化的异常对象</param>
]E<Z5G1HD /// <param name="catchInfo">异常信息标题字符串.</param>
yqq1 a
o /// <retvalue>
ewk7:zS/? /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
JpfA+r /// </retvalue>
>[;@
[4} /// </summary>
F*PhV|XU public static String FormatException(Exception ex, String catchInfo)
-/JEKwc {
(^}t StringBuilder strBuilder = new StringBuilder();
K/
On|C if (catchInfo != String.Empty)
!\7`I}: {
xyGwYv>*KO strBuilder.Append(catchInfo).Append("\r\n");
J#Hh4Kc }
H **tMq strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
uH9Vj<E$K return strBuilder.ToString();
O0qG
6a }
[G|. ``WTg4C(Y /// <summary>
n]IF`kYQV /// 实际事件日志写入方法
}Kgi!$<aQx /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
~o^| >] /// <param name="messageText">要记录的文本.</param>
/@ @F
nQ++ /// </summary>
M
co:eE private static void WriteLog(TraceLevel level, String messageText)
;pW8a? {
M[mYG _{J try
|"SZpx {
+QFKaS<sn EventLogEntryType LogEntryType;
!+PrgIp> switch (level)
dRron_' {
Jj
\nye+ case TraceLevel.Error:
hUlRtt LogEntryType = EventLogEntryType.Error;
Zt3sU_ break;
a|u#w~ case TraceLevel.Warning:
ZTzec zXpQ LogEntryType = EventLogEntryType.Warning;
9<_hb1' break;
+x
3x case TraceLevel.Info:
gLv+L]BnhH LogEntryType = EventLogEntryType.Information;
aA|{r/.10K break;
%[p*6&V case TraceLevel.Verbose:
o&1mX LogEntryType = EventLogEntryType.SuccessAudit;
}) -V,\ break;
1YV1Xnn, default:
6m;>R%S_ LogEntryType = EventLogEntryType.SuccessAudit;
*m"9F'(Sd break;
9xK>fM&u }
w"9h_;'C_ Z5q%L!4G EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
~JL
qh //写入事件日志
_VT{2`|}) eventLog.WriteEntry(messageText, LogEntryType);
5qnei\~ }gv'r
"; }
9!n:hhJM catch {} //忽略任何异常
l7VO8p]y[R }
\|Af26 } //class ApplicationLog
.z,-ThTH@\ }
ElW\;C:K* MeBTc&S< 12.Panel 横向滚动,纵向自动扩展
DS(>R!bb <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Imhk U% |M7C=z=' 13.回车转换成Tab
daKZ*B| <script language="javascript" for="document" event="onkeydown">
Bo"9;F if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
3%)cUkD event.keyCode=9;
`VwG]2 I </script>
bPFGQlmIO B9"o Ru^} onkeydown="if(event.keyCode==13) event.keyCode=9"
HKJCiQ|k @o0HDS 14.DataGrid超级连接列
XE2Un1i}j1 DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
0cHcBxdF
(sKg*G2 15.DataGrid行随鼠标变色
M$EF 8 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
<9pI~\@w {
F7=9> , if (e.Item.ItemType!=ListItemType.Header)
vX }iA|`# {
^`yhN e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
*,X)tZ6VX e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
}SSg>.48w }
~},H+A!? }
6n2RT H R9A:"sJ 16.模板列
2@a'n@- <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
pA .orx <ITEMTEMPLATE>
T/|!^qLF <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
\2/X$x<?X </ITEMTEMPLATE>
_ooHB>sH </ASP:TEMPLATECOLUMN>
wetu.aMp gaXo)o S <ASP:TEMPLATECOLUMN headertext="选中">
i`@cVYsL <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
la{?&75] <ITEMTEMPLATE>
= cxO@Fu <ASP:CHECKBOX id="chkExport" runat="server" />
U[pHT _U </ITEMTEMPLATE>
J0IKI,X. <EDITITEMTEMPLATE>
_W(xO
|,M <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
R WY>`.su </EDITITEMTEMPLATE>
\*CXXp` </ASP:TEMPLATECOLUMN>
c_qox wBpt
W2jA 后台代码
ia\Gmh protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
%t&Lq }e {
h:pgN,W} //改变列的选定,实现全选或全不选。
PNAvT$0LaZ CheckBox chkExport ;
"T5jz#H#/ if( CheckAll.Checked)
qOG@MR(5 {
4}N+o+ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
15 {^waR6 {
3|$?T|#B chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
RgoF4g+@ chkExport.Checked = true;
i%133in }
L?u{v X }
\)28,` else
auN8M. {
yam'LF foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Qf0P"s` {
9'p| [?]v chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
aN"YEL>w chkExport.Checked = false;
LeN }Q }
TgV-U }
?5" >5 0 }
A(&\wd 9ls1y=M8J 17.数字格式化
\&vXp"-@ EUw4$Jt^p 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
?:vg`m!* <%#Container.DataItem("price","{0:¥#,##0.00}")%>
7vgRNzZoq iOa<= int i=123456;
3SWDPy string s=i.ToString("###,###.00");
z]g#2xD2 Jy:@&c 18.日期格式化
n2*Ua/J-8 rIPg,4y*S! 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
fQ~~%#z1 5%( 显示为: 2004-8-11 19:44:28
Pq~#SxA~ W\<OCD%X 我只想要:2004-8-11 】
rMG[,:V <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
WClprSl8 ui8$ F
"I* 应该如何改?
;Uch C,;<SV2# 【格式化日期】
@B{ bL<H$DB6 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
5Zc 8Ie0L3d- 【日期的验证表达式】
|qpm
@I Y<i5( A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
ZD50-w; ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
:Dr4?6hdr CNuE9|W(vI B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
f(}&8~ & ^\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]))$
d<?Zaehe\ :OU(fz] 【大小写转换】
T:Q+ Z }v+ HttpUtility.HtmlEncode(string);
LkeYzQH/l HttpUtility.HtmlDecode(string)
xg%{p`` B7A.~'= 19.如何设定全局变量
:zC=JvKT MeV4s%*O+ Global.asax中
56."&0 ^38kxwh Application_Start()事件中
9&kY>M>z0 :1'1n 添加Application[属性名] = xxx;
n>^9+Rx|i 78T;b7!-C 就是你的全局变量
zGO_S\ ;,/G*`81B 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
5-a^Frmg#" mMZ=9 ?m HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
WZA1nzRc +7"UF)
~k 【ASPNETMENU】点击菜单项弹出新窗口
iw(`7(* \8Ewl|"N:u 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
S]ndnxy"b <?xml version="1.0" encoding="GB2312"?>
$m.'d*e5 <MenuData ImagesBaseURL="images/">
JKYtBXOl <MenuGroup>
k?pNmKVJM <MenuItem Label="内参信息" URL="Infomation.aspx" >
K:4G(?w <MenuGroup ID="BBC">
S-6i5H"B& <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
|a1zJ_t4 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
UGOe(JB ......
4`CO>Q (s1iYK 最好将你的aspnetmenu升级到1.2版
F":dS-u&L 1:h(8%H@" 21.读取DataGrid控件TextBox值
y}QqS/ foreach(DataGrid dgi in yourDataGrid.Items)
'+|uv7|+v {
<+ <o
X"I TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
yh4% tb.Text....
B aCzN;) }
^*NOG\BK@ A?ESjMy(R 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
^SUo-N'' <p_2&&? 〖思归〗
|<YF.7r; <asp:TemplateColumn HeaderText="数量">
Q>=/u- <ItemTemplate>
{=^<yK2q <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
usugjx^p onkeyup="javascript:DoCal()"
H'2o84$ />
9mv6 TTxSl p2=; <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
3z
5"Ckzb </ItemTemplate>
f`J[u!Ja </asp:TemplateColumn>
s;[64ca]Q Q!fk|D+j <asp:TemplateColumn HeaderText="单价">
HBa6Y&)< <ItemTemplate>
^^Q>AfTR. <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
||Wg'$3 onkeyup="javascript:DoCal()"
H,fVF837 />
8/9YR(H3H Yj>\WH <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
toox`| Im`R2_(] </ItemTemplate>
VDy_s8Z# </asp:TemplateColumn>
%+$!ctn (n{!~'3 <asp:TemplateColumn HeaderText="金额">
{2&MyxV <ItemTemplate>
^6,}*@ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
mc6W" </ItemTemplate>
s[*I210 </asp:TemplateColumn><script language="javascript">
F.R0c@&W function DoCal()
aOW~! f/M {
\?k"AtL var e = event.srcElement;
tUFXx\p var row = e.parentNode.parentNode;
"FfP&lF/ var txts = row.all.tags("INPUT");
o,
qBMo^. if (!txts.length || txts.length < 3)
j62oA$z return;
~qW"v^< MB5X$5it var q = txts[txts.length-3].value;
sr.!EQ ] var p = txts[txts.length-2].value;
Eid~4a >3ASrM+>w if (isNaN(q) || isNaN(p))
|VX0o2 return;
h3-dJgb s[/)v: q = parseInt(q);
/%^^hr p = parseFloat(p);
<C7/b#4>\ EO.}{1m=hx txts[txts.length-1].value = (q * p).toFixed(2);
NEMC }
W QyMM@# </script>
}Mh`j$ M#]URS2h<O [%7oq;^J ) ]]PhGX~ ~M J3-<I 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。
P?U}@U~9 page_load
oMZ|)(7C page.smartNavigation=true
Yh;A .*w3 ryQ 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 ?
1A9Gf private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
$QuSmA<4lS {
;ZLfb n3\ for(int i=0;i<e.Item.Cells.Count-1;i++)
Js8d{\0\ if(e.Item.ItemType==ListItemType.EditType)
T;JA.=I {
,Z]4`9c e.Item.Cells.Attributes.Add("Width", "80px")
g(zoN0~ }
+QFY.>KH }
T_?,? ;!N_8{
7r 26.对话框
q"^T}d d, private static string ScriptBegin = "<script language=\"JavaScript\">";
V}"w8i+D? private static string ScriptEnd = "</script>";
>!2d77I N u9+b"Wr public static void ConfirmMessageBox(string PageTarget,string Content)
7tz#R:
{
_S#3!Wx string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
&l1CE19< umj5M5oe3 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
+QVe - !F*CE cB Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
DC%H(2 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
+aIy':P //Response.Write(strScript);
C")NNs= }
wrt^0n'r)c erZ%C < 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
l7=WO#Pb 5oIgxy 1.1 取当前年月日时分秒
_LSf
) currentTime=System.DateTime.Now;
9l9|w4YJs z}m)u 1.2 取当前年
xu0pY(n^r int 年= DateTime.Now.Year;
L%O(
I j*)K>
\ 1.3 取当前月
zd3%9r j$ int 月= DateTime.Now.Month;
:Qra9;
Y `]:&h' 1.4 取当前日
vErlh:~e int 日= DateTime.Now.Day;
#EdsB ['n;e:* 1.5 取当前时
$3MYr5
int 时= DateTime.Now.Hour;
4
U`5=BI 6*H F`@( 1.6 取当前分
`JL&x|q o int 分= DateTime.Now.Minute;
|F#L{=B t{)J#8:g 1.7 取当前秒
G_a//[p int 秒= DateTime.Now.Second;
m`lsUN, Z}'"c9oB 1.8 取当前毫秒
BAS3&f A int 毫秒= DateTime.Now.Millisecond;
i^'Uod0d. @z)_m!yV1 28.自定义分页代码:
${%*O}$ ~'l.g^p bv 先定义变量 :
*b0f)y3RV public static int pageCount; //总页面数
}PDNW public static int curPageIndex=1; //当前页面
0if~qGm=! PXYo@^ 3 下一页:
9fL48f$ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
RI%ZT {
6-@n$5W0 DataGrid1.CurrentPageIndex += 1;
;eeu 9_$ curPageIndex+=1;
f#9\&-he0 }
5#U*vGVT UF00K1dbz bind(); // DataGrid1数据绑定函数
FWbA+{8 _=eeZ4f 上一页:
G}b LWA if(DataGrid1.CurrentPageIndex >0)
J<{@D9r9<~ {
M _z-~G DataGrid1.CurrentPageIndex += 1;
`o~9a N curPageIndex-=1;
B3^4,' }
ES#K'Lf {~ngI< bind(); // DataGrid1数据绑定函数
A;A>Q`JJF to 直接页面跳转:
'j+J?Y^ int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
?g$dz?^CK& 9H<6k* if(a<DataGrid1.PageCount)
LAwl9YnG: {
GUyc1{6 this.DataGrid1.CurrentPageIndex=a;
EI29; }
xv{iWJcs m_z1|zM}o bind();
? h$>7| 7QlA/iKqK 29.DataGrid使用:
5!PU+9Kh F*_mHYa; 添加删除确认:
H[{ch t
h private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
<eq93 {
IRZ?'Im foreach(DataGridItem di in this.DataGrid1.Items)
uz1t uX_ {
p&L`C|0 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
hfGA7P" {
<,Zk9 t& ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
V}>0r+NL< }
`~"l a>} }
&zF1&J58z }
7
C5m#e3 ~pqp` 样式交替:
PQ2u R
ListItemType itemType = e.Item.ItemType;
*HwTq[y =B(zW.Gf if (itemType == ListItemType.Item )
l#,WMu& {
v|XEC[F e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
#isBE}sT{ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
* SG0-_S }
10JxfDceD else if( itemType == ListItemType.AlternatingItem)
+x!V;H( {
u=I>DEe@c e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
]~z2s;J{/ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Z50]g }
b
"4W`
A SLc6]? 添加一个编号列:
'W~O? DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
}XiS:
DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
J}coWjw`q ]OoqU-q for(int i=0;i<dt.Rows.Count;i++)
1(Kd/%]{ {
.!
LOhZ
dt.Rows["number"]=(i+1).ToString();
t`DoTb4 }
~<pGiW'w5 EY(@R2~#J DataGrid1.DataSource=dt;
9z,?DBMvc DataGrid1.DataBind();
<dzE5]%\ C,w$)x5kls DataGrid1中添加一个CheckBox,页面中添加一个全选框
\)ac,i@fy private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
?Ee HeN_ {
n2R{$^JxO foreach(DataGridItem thisitem in DataGrid1.Items)
}Y5Sf"~M {
UKx91a}g ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
,c6ID|\ }
oSt-w{! }
P'Jw: )k( .3,s4\.kT 将当前页面中DataGrid1显示的数据全部删除
JQ%`]=n(/ foreach(DataGridItem thisitem in DataGrid1.Items)
iuq-M?1 {
Z^AACKME if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
X; T(?,, {
:JqH.Sqk string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
~?dPF;.6_ Del (strloginid); //删除函数
aU2O5 z& }
{vAq08 }
EpeTfD "j9,3yJT 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
JLRw`V,o7 NrTQ}_3) 在Application_Start中添加以下代码:
:?{ **&= Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
VuFH
>8n AppSettings["ConnStr"].ToString();
e.i5j^5u UR?[ba_h 31. 变量.ToString()
iwL\H a 8@qYzSx[ 字符型转换 转为字符串
8J%^gy>m] 12345.ToString("n"); //生成 12,345.00
;t@zH+*} 12345.ToString("C"); //生成 ¥12,345.00
. #;ZM[v 12345.ToString("e"); //生成 1.234500e+004
0vUX^< 12345.ToString("f4"); //生成 12345.0000
&?*M+q34 12345.ToString("x"); //生成 3039 (16进制)
AFl]w'= 12345.ToString("p"); //生成 1,234,500.00%
iy8UrgG;l ekfD+X 32、变量.Substring(参数1,参数2);
u9e A"\s r 9@W8](\ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
j%b/1@I O GrVy=rd 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
Ud:v3"1 <SCRIPT language="javascript">
W z3y+I/& <!--
8(D>ws$
function gook(pws)
yjpV71!M {
?K{CjwE.M frm.submit();
ycRy!0l }
dV8mI,h //-->
!tFs(![ [z`U9J </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
_5.^A&Y* <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
5FnWlFc <tr>
6.2_UN^< <td>
d)(61 <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
:Cw|BX@??U <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
S[{#AX=0 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
8MM#q+8 Tul_/` An <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
mT>56\63 <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
x9~d_>'A O(h4;'/E </td>
X&t)S?eCos 2Q)"~3 </tr>
rFSLTbTf &2MW.,e7s </form>
(J][(=s;a wnP#.[,V 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。
<Jo_f&&{ <n>Kc}c 下面是获取用户输入的登陆信息的代码:
"kz``6C string name;
E:(flW= name=Request.QueryString["EmailName"];
^:\|6`{n G#8HY VF try
qn6Y(@<[ {
f$NudG!S int a=name.IndexOf("@",0,name.Length);
n!&DLB1z f_user.Value=name.Substring(0,a);
k(><kuJ`3 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
U"A]b(54 f_pass.Value=Request.QueryString["Psw"];
'AE)&56 }
%:N6#;l M vN-#Ej.
u catch
Zk)]=<H {
MSoLx' < Script.Alert("错误的邮箱!");
UC;_}> Server.Transfer("index.aspx");
b"t!nfgo }