1. 打开新的窗口并传送参数:
-P09u82 HNA/LJl[VU 传送参数:
,qgph^C response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
89>U Koc? Ld[zOx 接收参数:
zkdyfl5 string a = Request.QueryString("id");
;[-dth string b = Request.QueryString("id1");
9:bC{n
5PPV`7Xm9 2.为按钮添加对话框
D]9I-| Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Xi'y-cV
^ button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
'm@0[i "28b&pm 3.删除表格选定记录
Cwxy~.mI int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
F z_SID string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
fPs'A '3f"#fF6 4.删除表格记录警告
]@W.5!5H private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
,X&lVv# {
?qviJDD|f switch(e.Item.ItemType)
`e
t0i. {
a;Q6S case ListItemType.Item :
-<gGNj.x- case ListItemType.AlternatingItem :
|0?h6 case ListItemType.EditItem:
R=IZFwr TableCell myTableCell;
;Cdrjx myTableCell = e.Item.Cells[14];
slV+2b LinkButton myDeleteButton ;
n"dC]&G' myDeleteButton = (LinkButton)myTableCell.Controls[0];
^D(N_va< myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
, C88%k break;
3,8>\yf` default:
5MH\Gqe7 break;
^+zF;Q' }
SU.T0>w Si#b"ls' }
(~Pb,Q F:.rb
Ei 5.点击表格行链接另一页
9-Bp =M private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
W'2|hP {
O_#Ag K<A //点击表格打开
Gb6t`dSzz if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
}g:y!pk e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
nz:I\yA }
`<Xq@\H Kc+;"4/#q 双击表格连接到另一页
Ey$J.qw3 j4L )D 在itemDataBind事件中
n$Z@7r if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
#pbPaRJL( {
,[}5@cS string OrderItemID =e.item.cells[1].Text;
Gxu&o%x[ ...
dUOvv/,FZT e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
P SDzs\s }
C2;qSKG3{m 0FfBD[E: 双击表格打开新一页
&k+G^ !=s# if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
PW"G]G, {
V-U,3=C string OrderItemID =e.item.cells[1].Text;
$j*j {}K ...
w#wlZ1f e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
N\ ?%944R }
Z
55iq P g.PD,&U ★特别注意:【?id=】 处不能为 【?id =】
6LRI~*F=3 6.表格超连接列传递参数
m!3L/UZ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
Ml` f+$ <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
EOu\7;kE9 6CBk,2DswI 7.表格点击改变颜色
LuQ4TT if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
1>OfJc(K {
>cEc##:5 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
]w.:K*_= this.style.color=’buttontext’;this.style.cursor=’default’;");
4]jN@@ }
cQ~}qE>I f?T6Ne' 写在DataGrid的_ItemDataBound里
h4x*C=?A if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
E(A7D XzbR {
mw9;LNi\D e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
|e@9YDZ this.style.color=’buttontext’;this.style.cursor=’default’;");
J&w%lYiu5 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
pmd=3,D'u }
*jo y%F uBI?nv, F|q-ZlpW- 8.关于日期格式
r-
0BLq]~{ &o$E1;og 日期格式设定
euO!+9p DataFormatString="{0:yyyy-MM-dd}"
7q*L-Xe]k f>i6f@ 我觉得应该在itembound事件中
S8mqz. e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
/Fej)WQp @EH:4~ 9.获取错误信息并到指定页面
@^oOXc,r$ 'NF_!D 不要使用Response.Redirect,而应该使用Server.Transfer
Z,/BPK<e EotZ$O= e.g
(#FWA<o // in global.asax
ItGi2'} protected void Application_Error(Object sender, EventArgs e) {
6Clxe Lk if (Server.GetLastError() is HttpUnhandledException)
5 7e'a&}e Server.Transfer("MyErrorPage.aspx");
i,N U%be
8`Fo^c=j //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
WJBi#(SY }
.a\b_[+W 09<O b[%h Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
Ql sMMIax Dk4Jg++ 10.清空Cookie
+HNY!fv9 Cookie.Expires=[DateTime];
u"r~5 Response.Cookies("UserName").Expires = 0
pOQ'k>! sJ)XoK syW 11.自定义异常处理
,:UoE //自定义异常处理类
Z- ;<R$ using System;
<@xp. Y using System.Diagnostics;
WbC|2! Tct8NG namespace MyAppException
k L2(M6m {
3eQ-P8LS /// <summary>
Qrjo@_+w! /// 从系统异常类ApplicationException继承的应用程序异常处理类。
sh(G{Yz@ /// 自动将异常内容记录到Windows NT/2000的应用程序日志
#?.Yc%5B /// </summary>
yS0YWqv]6@ public class AppException:System.ApplicationException
@mBZu!, {
N*w/\| public AppException()
kFmd):U!R {
{LfVV5? if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
4VINu9\V }
mw)KyU#l,: @Y+YN;57 public AppException(string message)
z?`&HU Nf {
P.mz$M LogEvent(message);
#UL:#pY }
22S4q`j }I<r=? public AppException(string message,Exception innerException)
9X&Xc {
8B;wn<O LogEvent(message);
H%NIdgo} if (innerException != null)
=jIB5". {
w1B!z LogEvent(innerException.Message);
[YG\a5QK }
@ SaU2 }
n[ip'*2L E>f+ E8? //日志记录类
B9pro%R1Bo using System;
O\;Z4qn2= using System.Configuration;
d;O16xcM/ using System.Diagnostics;
GlYNC&,VL using System.IO;
q15t7-Z6 using System.Text;
PPO*&=!] using System.Threading;
ogQY"c8 d:*,HzG namespace MyEventLog
^lhV\YxJ {
i:W.,w%8 /// <summary>
[2I1W1pd /// 事件日志记录类,提供事件日志记录支持
Xh"JyDTj3 /// <remarks>
NfizX!w& /// 定义了4个日志记录方法 (error, warning, info, trace)
XB*)d
9'8 /// </remarks>
|?{3&'`J8w /// </summary>
<6g{vNA public class ApplicationLog
NNSHA'F,.\ {
U 2am1} /// <summary>
@qk$
6X /// 将错误信息记录到Win2000/NT事件日志中
<?'d\B /// <param name="message">需要记录的文本信息</param>
O?e38(
/// </summary>
nN1\ public static void WriteError(String message)
$,$bZV {
K|nh`r WriteLog(TraceLevel.Error, message);
=TKu2 }
Jm&7&si7 GJN"43 /// <summary>
0zfh:O /// 将警告信息记录到Win2000/NT事件日志中
U_ n1QU /// <param name="message">需要记录的文本信息</param>
KdIX` /// </summary>
v3!oY t:l public static void WriteWarning(String message)
N>##}i {
9}^nozR,I WriteLog(TraceLevel.Warning, message);
i[1K~yXq: }
QcJ?1GwA" 0nUcUdIf+ /// <summary>
F#_JcEE /// 将提示信息记录到Win2000/NT事件日志中
U@21N3_@_ /// <param name="message">需要记录的文本信息</param>
SyFw /// </summary>
P34UD: public static void WriteInfo(String message)
7(cRm$)L {
1!_$HA WriteLog(TraceLevel.Info, message);
!$N^Ak5# }
{`,dWjy{% /// <summary>
F N6GV /// 将跟踪信息记录到Win2000/NT事件日志中
,:POo^!/fT /// <param name="message">需要记录的文本信息</param>
uFQ;}k;} /// </summary>
t}L kl( public static void WriteTrace(String message)
4FURm@C6 {
Nn<TPT[, WriteLog(TraceLevel.Verbose, message);
e;L++D }
h>\T1PM ZXV_Dc /// <summary>
5{nERKaPf /// 格式化记录到事件日志的文本信息格式
|#9Nu9ak /// <param name="ex">需要格式化的异常对象</param>
xUl=N /// <param name="catchInfo">异常信息标题字符串.</param>
?WPuTPw{ /// <retvalue>
)H@"S]?7i" /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
~L\KMB/9e= /// </retvalue>
#MkXio; h /// </summary>
-X+G_rY public static String FormatException(Exception ex, String catchInfo)
qv\n]M_& {
Er/h:= StringBuilder strBuilder = new StringBuilder();
B].V|8h if (catchInfo != String.Empty)
kN (*.Q|VZ {
o2M+=O@ strBuilder.Append(catchInfo).Append("\r\n");
Wno{&I63 }
(;DnL|"'8 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
lId}sf return strBuilder.ToString();
}ie O }
`{w.OK @@~OA>^ /// <summary>
j}9][Fm1* /// 实际事件日志写入方法
O@.C.5Ep /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
|R$V[ /// <param name="messageText">要记录的文本.</param>
r}351S5( /// </summary>
tt5t(+5j private static void WriteLog(TraceLevel level, String messageText)
N{oi }i6 {
;
kPx@C
try
SOE5` {
k1Z"Qmz EventLogEntryType LogEntryType;
f_A'.oq+ switch (level)
+tO mKY {
j9Qd
45 case TraceLevel.Error:
<12 ia"} LogEntryType = EventLogEntryType.Error;
?VCdT`6= break;
U9w0kcUw#J case TraceLevel.Warning:
4lrF{S8 LogEntryType = EventLogEntryType.Warning;
wUb5[m break;
9N1Uv,OtB case TraceLevel.Info:
{A!1s; LogEntryType = EventLogEntryType.Information;
-u)f@e break;
=' %r"_`} case TraceLevel.Verbose:
P5$d#Y(= LogEntryType = EventLogEntryType.SuccessAudit;
0
D^d-R, break;
\dvzL(, default:
BK>3rjXi>a LogEntryType = EventLogEntryType.SuccessAudit;
%f[0&)1!.v break;
B=dF\.&Z }
z+3GzDLy HURrk~[ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
h8Wv t's //写入事件日志
^a+W! eventLog.WriteEntry(messageText, LogEntryType);
MnToL@ r?cDyQE }
K4w %XVaH catch {} //忽略任何异常
C8ss6+k& }
kyV!ATL1F } //class ApplicationLog
vh+ '
W }
e!V3 /*F #63)I9> 12.Panel 横向滚动,纵向自动扩展
117`=9F <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
R=Qa54 nsf.wHGZ"J 13.回车转换成Tab
w3,DsEXu <script language="javascript" for="document" event="onkeydown">
WFHS8SI if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
ng,64(wOY event.keyCode=9;
~|y$^qy?U </script>
W`^euBr7R> ad
<z+a onkeydown="if(event.keyCode==13) event.keyCode=9"
w4:|Z@ I cf\PG&S 14.DataGrid超级连接列
@34Z/%A DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
!+bLhW` m.:2G 15.DataGrid行随鼠标变色
h\qQ%|X private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{?X#E12vf {
d}d1]@Y\ if (e.Item.ItemType!=ListItemType.Header)
Z]L_{=* {
C1V:_- e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
(i3V[H e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
]IF
QD }
\/qo2'V
j` }
B!PT| sGBm[lplz 16.模板列
sY|by\-c <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
|4E5x9J <ITEMTEMPLATE>
BH`%3Mw <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
4k$i:st; </ITEMTEMPLATE>
;dC>$_P? </ASP:TEMPLATECOLUMN>
<H; z4 b\{34z, <ASP:TEMPLATECOLUMN headertext="选中">
=`&7pYd, <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
:A,g :B <ITEMTEMPLATE>
[nSlkl
<ASP:CHECKBOX id="chkExport" runat="server" />
mZ%"""X\Ei </ITEMTEMPLATE>
4O I''i <EDITITEMTEMPLATE>
2Ra}&ie <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
R=7,F6. </EDITITEMTEMPLATE>
nky%Eb[\ </ASP:TEMPLATECOLUMN>
8%+F.r 3bWYRW 后台代码
B|fh 4FNy protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
/5**2Kgv1 {
J&hzr t //改变列的选定,实现全选或全不选。
yW=I*f CheckBox chkExport ;
M53{e;.kN if( CheckAll.Checked)
wP|Amn+; {
SRP.Mqg9 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
CIt%7
\c {
tVUC@M>' chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
<bvbfS chkExport.Checked = true;
4z;@1nN_8a }
6H]rO3[8 }
{zckY else
4J~ZZ {
bUcEQGHcZ= foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
bU3P;a( {
d:<</ah chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
pqT+lai)# chkExport.Checked = false;
uGoySt&;( }
!^Ly#$-X }
6@rebe!&= }
V/t/uNm y^u9Ttf{ 17.数字格式化
`] fud{ l* ap$1' 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
g+RgDt9 <%#Container.DataItem("price","{0:¥#,##0.00}")%>
^CBc~um2 9Z[EzKd<~' int i=123456;
Y^Y1re+} string s=i.ToString("###,###.00");
w'r?)WW$ av8\?xmo.$ 18.日期格式化
^ ,cwm:B@ RV=Z$ 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
uY_vX\;67z nt:d,H<p 显示为: 2004-8-11 19:44:28
@H83Ad w;OvZo| 我只想要:2004-8-11 】
_8z gaA <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
|T;]%<O3E Au\j6mB 应该如何改?
=xs"<Q*w> RE<s$B$[ 【格式化日期】
:>q*#vlb /0_^Z2 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
cWU9mzsE *+UgrsRk 【日期的验证表达式】
E2nsBP=5C rlpbLOG` A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
\/8oua_) ^((\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})))?$
m~f J_ m>:zwz< ; B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
L,/(^0; ^\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]))$
[6u8EP0xM ]ZI ?U<0 【大小写转换】
^o8o HttpUtility.HtmlEncode(string);
e[($rsx HttpUtility.HtmlDecode(string)
*NjjFk=R CG0jZB#u 19.如何设定全局变量
r7zS4;b >qL-a*w:a Global.asax中
2R`dyg ?= RC?K Application_Start()事件中
2mt
S\bAF MXP3ZN' 添加Application[属性名] = xxx;
+
FG Xx K;'s+ZD 就是你的全局变量
s[n*fV']A 1w$X;q" 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
#*tWhXU {aoG60N HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
L5RBe #wS/QrRE 【ASPNETMENU】点击菜单项弹出新窗口
U3tA"X.K ~gi,ky^! 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
(Do](C <?xml version="1.0" encoding="GB2312"?>
cYx.<b
JH <MenuData ImagesBaseURL="images/">
@s%!R <MenuGroup>
&a9Y4~e:: <MenuItem Label="内参信息" URL="Infomation.aspx" >
3*C|"|lJ <MenuGroup ID="BBC">
5faY{;8 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
v*lj>)L <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
Z1Pdnc7S[ ......
*p.70,5, K9=f`JI9 最好将你的aspnetmenu升级到1.2版
INF}~DN] _qp^+ 21.读取DataGrid控件TextBox值
zf.&E3Sn foreach(DataGrid dgi in yourDataGrid.Items)
+d289" {
,&ld:v?~ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
rk)h_zN tb.Text....
8r\;8all }
Y7GHIzX @\?QZX(H 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?
"~,3gNTzV Mrly(*!U"@ 〖思归〗
sIz*r Gz <asp:TemplateColumn HeaderText="数量">
:YUQKy <ItemTemplate>
GS qt:<Qs <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
V+>.Gf onkeyup="javascript:DoCal()"
pRc<U^Z.h />
=%ry-n G P+gYLX8 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
N6<G`k, </ItemTemplate>
\ sc's7 </asp:TemplateColumn>
P^-daRb
%<yH6h*u <asp:TemplateColumn HeaderText="单价">
1<E:`,Mn? <ItemTemplate>
UC*\3:>'n <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
l}&&f8n onkeyup="javascript:DoCal()"
zcCGREe= />
oeA}b-Ct0 Jf3xK"in <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
<c_'(
SUaXm#9 </ItemTemplate>
_@A%t&l </asp:TemplateColumn>
c0.? d] !McRtxq?~ <asp:TemplateColumn HeaderText="金额">
Scz/2vNi` <ItemTemplate>
Z_WJgH2c <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
XM:Y(#?l </ItemTemplate>
qGhwbg </asp:TemplateColumn><script language="javascript">
t +h}hL function DoCal()
<d]
t{M62W {
m-AW}1:\f var e = event.srcElement;
a[hQ<@1O var row = e.parentNode.parentNode;
8=DZ;]XD. var txts = row.all.tags("INPUT");
`CqF&b if (!txts.length || txts.length < 3)
(>M@Ukam: return;
CZ|h` ";P2 bU{lV<R, var q = txts[txts.length-3].value;
`S:LuU8e var p = txts[txts.length-2].value;
a<Ksas'5S =2R0 g2n if (isNaN(q) || isNaN(p))
" ,>,t_J return;
jlb=]hp8% 2|:x_rcj q = parseInt(q);
K['Gp>l p = parseFloat(p);
nmy!.0SQ- GSa U:A txts[txts.length-1].value = (q * p).toFixed(2);
~(Xzm }
V:>ZSW4,^ </script>
Q)%a2s; |N+uEiJ 353*D%8 WX}pBmU vf/|b6'y 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。
[e?vqm . page_load
bX'.hHR page.smartNavigation=true
"[Hn G(gA x2.YEuSMC 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 ?
yl UkVr
private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
SE0&CV4 {
]h4r@L3 for(int i=0;i<e.Item.Cells.Count-1;i++)
=b/:rSd$NA if(e.Item.ItemType==ListItemType.EditType)
y25L`b {
-;W`0k^ e.Item.Cells.Attributes.Add("Width", "80px")
@*"H{xo.U }
"Wn8}T* }
)I(2t 6i &p83X 26.对话框
w[hT,$n private static string ScriptBegin = "<script language=\"JavaScript\">";
OTV$8{ private static string ScriptEnd = "</script>";
!6pE0(V^+4 QNxY` public static void ConfirmMessageBox(string PageTarget,string Content)
bY!1t}ALh {
L)-1( e<x string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
TV[@!E a H?$gHZPI ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
(GB*+@ :7 OhplI Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
DWmViuZmL ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
"C'T>^qw* //Response.Write(strScript);
u3])_oj= }
~=i<O&nai jPA^SxM 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
U^Ulj/%6 `2PvE4]%p 1.1 取当前年月日时分秒
M#o'h c currentTime=System.DateTime.Now;
o@W:PmKW T.GB* 1.2 取当前年
AH'4k(- int 年= DateTime.Now.Year;
fUa[3)I b5t:">wC 1.3 取当前月
)L/o|%r! int 月= DateTime.Now.Month;
o~tL;(sz >Q% FW 1.4 取当前日
&p_V<\(% int 日= DateTime.Now.Day;
Ew>lk9La( $4u8"n e) 1.5 取当前时
}&Kl)2:O int 时= DateTime.Now.Hour;
K3-Cuku 8XhGo2zf 1.6 取当前分
y_}jf,b4 int 分= DateTime.Now.Minute;
f,0,:) i[40p!~ 1.7 取当前秒
*G(ZRj@33 int 秒= DateTime.Now.Second;
T)tf!v3v K</="3
HK 1.8 取当前毫秒
b|E1>TkY int 毫秒= DateTime.Now.Millisecond;
*7UDTgY -I*NS6 28.自定义分页代码:
% h"%G=: o*Kl`3=] 先定义变量 :
.XPPd?R public static int pageCount; //总页面数
c(r8
F[4w public static int curPageIndex=1; //当前页面
eiwPp9[08 *Vr;rk 下一页:
) ={
H if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
+~f5dJyk` {
1YJ@9 *l DataGrid1.CurrentPageIndex += 1;
I_3{i`g curPageIndex+=1;
Q5>]f/LD }
B0$.oavC k.Q4oyei bind(); // DataGrid1数据绑定函数
6y
a
n,$Z,G#K 上一页:
8G?OZ47k# if(DataGrid1.CurrentPageIndex >0)
xn,I<dL39 {
jrZH1dvE DataGrid1.CurrentPageIndex += 1;
8c5%~}kG curPageIndex-=1;
U~s-'-C/ }
+?bjP6w_g z,IUCNgM bind(); // DataGrid1数据绑定函数
WNWtQ2] &LDA=B 直接页面跳转:
Q/ ^a( int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
Wk-jaz NW`L6wgl if(a<DataGrid1.PageCount)
SeIL {
7xoq:oP-}N this.DataGrid1.CurrentPageIndex=a;
K}TSwY }
xF])NZy| }e0>Uk`[ bind();
`z~L0h 8;Eg>_cL: 29.DataGrid使用:
b2G1@f.U y.+!+4Mg| 添加删除确认:
]Yx& private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
BfdS3VrZ/ {
Xn*>qm foreach(DataGridItem di in this.DataGrid1.Items)
-Ta|
qQa {
se`^g
,]P if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
pu,|_N[xq8 {
uL9O_a;! ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
b_>x;5k }
u]jvXPE6 }
z-G*:DfgH }
bPUldkB: Ys+NIV#Q 样式交替:
<z
R
CT ListItemType itemType = e.Item.ItemType;
#[yZP9 =L&dV]'4P if (itemType == ListItemType.Item )
9
gWqs' {
mWX{I2 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
qz&?zzz; e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
u?lbC9}$ }
5 ]l8l+ else if( itemType == ListItemType.AlternatingItem)
z\+Ug9Of {
(;cvLop e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
U]64HuL e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
%WAaoR&u }
W:V.\ lCiRvh1K 添加一个编号列:
e(Y5OTus DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
a}5/?/ DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
VkZ3 Q7d
~R
C\ for(int i=0;i<dt.Rows.Count;i++)
)bl^:C {
"eZ~]m}L0 dt.Rows["number"]=(i+1).ToString();
UB3hC`N\ }
Wz)@k2 HA]5:ck DataGrid1.DataSource=dt;
Gc2:^FVlh DataGrid1.DataBind();
uow{a*qd6 |ohCA&k%; DataGrid1中添加一个CheckBox,页面中添加一个全选框
v9XevLs private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
=}
flmUv~ {
E?cf#;2h8m foreach(DataGridItem thisitem in DataGrid1.Items)
]3I@5 }5% {
m)e~HP7M ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
rB}2F*eT }
^C70b)68 }
mae@L \.Z
/ 将当前页面中DataGrid1显示的数据全部删除
=.2)wA"e' foreach(DataGridItem thisitem in DataGrid1.Items)
NQIbav^5 {
RKD$'UWX if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
m t}3/d {
<Xb$YB-c string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
|^C35 6M> Del (strloginid); //删除函数
jYE
?wc+FT }
-I.BQ }
@H61^K<
7;$[s6$ 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)
%&pd`A/ $<F9;Z 在Application_Start中添加以下代码:
I
T gzD"d Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
m\@ q2l- AppSettings["ConnStr"].ToString();
.RN2os{ LjPpnjU 31. 变量.ToString()
WuMr";2*E `P?!2\/ 字符型转换 转为字符串
R/Te;z 12345.ToString("n"); //生成 12,345.00
*s$:"g- 12345.ToString("C"); //生成 ¥12,345.00
?9ScKN 12345.ToString("e"); //生成 1.234500e+004
oL
-udH 12345.ToString("f4"); //生成 12345.0000
7O<K?;I 12345.ToString("x"); //生成 3039 (16进制)
OEhDRU%k 12345.ToString("p"); //生成 1,234,500.00%
xew s~74L i9v|*ZM" 32、变量.Substring(参数1,参数2);
_l=X?/ Uu~~-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);
As>P( 36\_Y?zx% 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)
} T&~DVM <SCRIPT language="javascript">
MTAq}8 <!--
DTz)qHd#X function gook(pws)
i^}ib
RQbN {
"Zu>cbE frm.submit();
Ug8>|wCE }
9@wmngvM*Y //-->
{;+9A}e /dwj:g0y </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
>(C5&3^ <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
v%;Nyab6$ <tr>
FZx.Yuv <td>
(x140_TH~ <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
T0"q,lrdxV <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
,"?xy-6 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
)M_|r2dDq3 %,f(jQfg_ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
:ioD*k <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
E{]PfUfFY D|g{]nO </td>
o?S!o} d /lV+yZ </tr>
pReSvF}}C M"5S </form>
!NTt'4/F{ 2-beq<I 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。
RSBk^ zszx~LSvIT 下面是获取用户输入的登陆信息的代码:
%H3
M0J2L string name;
MR/gLm(8( name=Request.QueryString["EmailName"];
d'[] V=)' CCi{ try
/A93mY[ {
*Ke\Yb int a=name.IndexOf("@",0,name.Length);
Uf#9y182*c f_user.Value=name.Substring(0,a);
9YY*)5eyD f_domain.Value=name.Substring(a+1,name.Length-(a+1));
=i>i,>bv f_pass.Value=Request.QueryString["Psw"];
gXe`G(w }
!#dp[,nk `u$lSGl catch
Yz? 8n {
zR5KC!xc Script.Alert("错误的邮箱!");
XPT@ LM Server.Transfer("index.aspx");
m.ejGm? }