1. 打开新的窗口并传送参数:
BaAb4{ !.$P`wKr 传送参数:
|lwN!KVQ, response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
uLljM{I F`.7_D 接收参数:
Dt.Wb&V_w string a = Request.QueryString("id");
E | string b = Request.QueryString("id1");
Qu _T& #>B1$(@ 2.为按钮添加对话框
vq7%SEkES Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Zr;=p"cXr button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
`&zobbwq 2kq@*}ys 3.删除表格选定记录
q"<- int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
!\O,dq string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
H>iZVE K<JP9t6Qd 4.删除表格记录警告
*8H;KGe= private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
L0 2~FT {
L.[uMuUa switch(e.Item.ItemType)
c[lob{, {
E]?HCRa5R case ListItemType.Item :
^3o8F case ListItemType.AlternatingItem :
ldvxYq<: case ListItemType.EditItem:
5)NBM7h TableCell myTableCell;
&"%|`gE myTableCell = e.Item.Cells[14];
#@s~V<rW LinkButton myDeleteButton ;
wg_CI,Kq myDeleteButton = (LinkButton)myTableCell.Controls[0];
72vGfT2HtZ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
hg'! break;
TbAdTmW default:
L)Ar{*xC break;
/~cL L }
G$9|aaf`1# 59BHGvaF }
T8TsKjqOZ |0R%!v(, 5.点击表格行链接另一页
@<yc .> private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
nL07^6( {
SSbK[aR //点击表格打开
QN&^LaB<T if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
SH$cn,3F8 e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
_m?(O /BTx }
FK >8kC 1\{U<Oli 双击表格连接到另一页
02#Iip3t 7+hF; 在itemDataBind事件中
FDs^S)B if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
2$W,R/CLh {
o]jP3
$t; string OrderItemID =e.item.cells[1].Text;
o/9LK ...
r5da/*G/O e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
~nc([%!= }
v:Z4z6M- , !%R5*?=D 双击表格打开新一页
;(0$~O$3u if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
S}Y|s]6 {
\j})Kul string OrderItemID =e.item.cells[1].Text;
ig_<kj;Vd ...
)Z]y.W ) e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
po2[uJ }
HGQ?(2] 8$ <CKmMZ{ ★特别注意:【?id=】 处不能为 【?id =】
!a&SB*%^I3 6.表格超连接列传递参数
Z t+FRR= <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
V]kGcS} <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
QT= ,En dGD^op,6g 7.表格点击改变颜色
/b:t;0G if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
1mVVPt^6 {
O:^LQ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
[+MX$y this.style.color=’buttontext’;this.style.cursor=’default’;");
=_m9so }
7kX$wQZ_ *zVLy^L_8 写在DataGrid的_ItemDataBound里
^*xHy` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
?9gTk
\s?R {
_:Jp*z e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
mhi90J c this.style.color=’buttontext’;this.style.cursor=’default’;");
lHKf#| e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
~@4ZV }
b~r{J5x@ }\u% )uZ
GKyG
#Fl 8.关于日期格式
8 ih;#I=q T4~`e_ 日期格式设定
EwD3d0udL DataFormatString="{0:yyyy-MM-dd}"
B?#k W!wj "rx^M*" 我觉得应该在itembound事件中
"\/^/vn? e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
M6jp1:ZH2q jkF+g$B 9.获取错误信息并到指定页面
4j@i% K/2. 1o;9 不要使用Response.Redirect,而应该使用Server.Transfer
3xzkZ8]/ JS/M~8+Et e.g
{+"g':>< // in global.asax
C1T=O protected void Application_Error(Object sender, EventArgs e) {
nJleef9 if (Server.GetLastError() is HttpUnhandledException)
2<'`^AO@ Server.Transfer("MyErrorPage.aspx");
a;"Uz|rz &@%
b?~ //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
+%Lt". o }
@q&|MMLt y7JZKtsFA Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
}qiF^D} Z6Nj<2u2 10.清空Cookie
}3f
BY@
Cookie.Expires=[DateTime];
g@@&sB-A" Response.Cookies("UserName").Expires = 0
wqlcLIJPR /Fv/oY 11.自定义异常处理
#M5_em4kN //自定义异常处理类
Q PFeBl using System;
}pMP!%| using System.Diagnostics;
JBR[;
zM
c6Lif)4 namespace MyAppException
=s'XR@ {
,AH0*L /// <summary>
T&r +G!2 /// 从系统异常类ApplicationException继承的应用程序异常处理类。
F#(.v7Za /// 自动将异常内容记录到Windows NT/2000的应用程序日志
{ITv&5?> /// </summary>
tu\mFHvlg public class AppException:System.ApplicationException
J3B6X 8P' {
m|pTn#*` public AppException()
[N)#/6j {
+w"_$Tj@; if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
ajn-KG!A }
%
f2<U;ff \bhOPK>w public AppException(string message)
F:%^&%\ {
S|"Fgoj r LogEvent(message);
- $U@By<SJ }
L@w0N)P<!{ W*k` public AppException(string message,Exception innerException)
I[#U`9Dt {
$ye^uu;Z LogEvent(message);
Kw)KA^KF if (innerException != null)
ajW[eyX {
P7z:3o. LogEvent(innerException.Message);
Bi]D{m9 }
W1vCN31 }
osl=[pm (]2<?x* //日志记录类
tqK=\{U using System;
xw ?CMA using System.Configuration;
EYG"49
c using System.Diagnostics;
sltk@ using System.IO;
=f>HiF using System.Text;
`h?LVD'l using System.Threading;
W9dYljnZ8i *ksb?|<Ot namespace MyEventLog
N[pZIH5ho= {
=yo{[&Jz /// <summary>
<yZP|_ /// 事件日志记录类,提供事件日志记录支持
?0{yq>fTu /// <remarks>
u+i (";\ /// 定义了4个日志记录方法 (error, warning, info, trace)
W6vf=I@f /// </remarks>
<
kz[:n: /// </summary>
,+s e public class ApplicationLog
H)E^!eo {
rj 3YTu` /// <summary>
8W;2oQN7 /// 将错误信息记录到Win2000/NT事件日志中
>8|+%pK8< /// <param name="message">需要记录的文本信息</param>
i2*d+?Er /// </summary>
=+<d1W`>0 public static void WriteError(String message)
iX%[YQ | {
V5AW&kfd WriteLog(TraceLevel.Error, message);
UFe(4]^ }
c`
,
2h# '<7S^^ax /// <summary>
X8b|]Nr /// 将警告信息记录到Win2000/NT事件日志中
,)zt
AFn= /// <param name="message">需要记录的文本信息</param>
:6Pnie /// </summary>
j$vK<SF public static void WriteWarning(String message)
0z7L+2#b^ {
/THnfy\ WriteLog(TraceLevel.Warning, message);
fywvJ$HD]L }
KXf<$\+zO ^/dS>_gtHv /// <summary>
vZu~LW@1 /// 将提示信息记录到Win2000/NT事件日志中
EY=FDl V /// <param name="message">需要记录的文本信息</param>
XK qK<!F /// </summary>
*tc{vtuu~^ public static void WriteInfo(String message)
2+.18"rvi {
F\:(*1C WriteLog(TraceLevel.Info, message);
|CIC$2u }
oq$w4D0Z /// <summary>
\~#WY5 /// 将跟踪信息记录到Win2000/NT事件日志中
8:thWGLN /// <param name="message">需要记录的文本信息</param>
|TTS? /// </summary>
:$g8Zm,y public static void WriteTrace(String message)
_dU8'H {
J[@um: WriteLog(TraceLevel.Verbose, message);
J#Z5^)$ }
0y~<%`~ j1q[c, /// <summary>
XV>&F{ /// 格式化记录到事件日志的文本信息格式
!tXZ%BP.u /// <param name="ex">需要格式化的异常对象</param>
c0ez/q1S /// <param name="catchInfo">异常信息标题字符串.</param>
he$XLTmr: /// <retvalue>
0 [8=c&F /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
`uo,__y /// </retvalue>
R^n@.^8s /// </summary>
B4ZIURciGz public static String FormatException(Exception ex, String catchInfo)
KrcgIB8X {
XIAeCU StringBuilder strBuilder = new StringBuilder();
V&ot3- Rf if (catchInfo != String.Empty)
lA^+Flh {
0Fw6Dq<8-! strBuilder.Append(catchInfo).Append("\r\n");
o''wCr% }
BqH]-'1G strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
nfdq y) return strBuilder.ToString();
/ nZ;v4 }
5$rSEVg9 55Gtp\L /// <summary>
bZ 443SG /// 实际事件日志写入方法
LL*mgTQ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
r~7:daG* /// <param name="messageText">要记录的文本.</param>
? _g1*@pA /// </summary>
RJ4.
kt private static void WriteLog(TraceLevel level, String messageText)
+jP~s {
)ev<7g9*q try
YB,t0%vTJw {
k2 Q
qZxm! EventLogEntryType LogEntryType;
q|.dez' switch (level)
-JT/9IQ {
hBU\'.x case TraceLevel.Error:
v2+!1r7@ LogEntryType = EventLogEntryType.Error;
%Ym^{N break;
*G5c |Y case TraceLevel.Warning:
fJAnKUF) LogEntryType = EventLogEntryType.Warning;
ut2~rRiK break;
>~nF= case TraceLevel.Info:
ZD>a>] LogEntryType = EventLogEntryType.Information;
w5=tlb break;
8,"yNq case TraceLevel.Verbose:
u3 0s_\ LogEntryType = EventLogEntryType.SuccessAudit;
{aYY85j break;
.TJEUK default:
_-TA{21) LogEntryType = EventLogEntryType.SuccessAudit;
3< Od0J break;
dt}_D={Be }
2";SJF'5\ 'x"08v$ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
9=X)ung9 //写入事件日志
*l&S-=] eventLog.WriteEntry(messageText, LogEntryType);
LwcIGhy J%lgR }
[U@;\V$ catch {} //忽略任何异常
nC1zzFFJ }
k^"bLf(4 } //class ApplicationLog
7R4z}2F2 }
q@hzo>[ ikD1N 12.Panel 横向滚动,纵向自动扩展
?p<.Fv8. <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
!TM*o+; 7CXW#H 13.回车转换成Tab
'B5^P <script language="javascript" for="document" event="onkeydown">
q#w8wH" if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
XQ%4L-rhN event.keyCode=9;
w;UqEC V </script>
d[p;T\?" yXI >I onkeydown="if(event.keyCode==13) event.keyCode=9"
1923N]b tVrY3)c 14.DataGrid超级连接列
m%;D DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Q\ /uKQ osARA3\Xt 15.DataGrid行随鼠标变色
2*"Fu:a"`I private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
<JMcIV837 {
=@,Q Dm]L if (e.Item.ItemType!=ListItemType.Header)
3>E%e!D% {
WQyLf;!Lz e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
9O{b]=>wq e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
eW5SFY. }
HK\~Qnq }
o<IAeH {+ #mize 16.模板列
(Yo>Oh4 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
Y!iZW <ITEMTEMPLATE>
['8!qr <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
_iNq"8>2 </ITEMTEMPLATE>
T91moRv </ASP:TEMPLATECOLUMN>
Bqma\1cgb lL1k.&|5m <ASP:TEMPLATECOLUMN headertext="选中">
oh#\]c\f <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
zOg7raIa <ITEMTEMPLATE>
Z{&cuo.@<] <ASP:CHECKBOX id="chkExport" runat="server" />
wtje(z5IL </ITEMTEMPLATE>
@(r/dZc <EDITITEMTEMPLATE>
L
"sO+4w <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
jZ NOt </EDITITEMTEMPLATE>
4pw6bK,s2\ </ASP:TEMPLATECOLUMN>
Xpzfm7CB/ MSf;ZB 后台代码
{G?N E protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
h=;{oY<V)? {
:
]C~gc //改变列的选定,实现全选或全不选。
3R+|5Uq8~ CheckBox chkExport ;
boDt`2= if( CheckAll.Checked)
!K|5bK {
95el'K[R foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
oudxm[/U {
x.S3Zi}= chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
pK0"%eA chkExport.Checked = true;
P.gb1$7< }
\rv<$d@L }
'],J$ge else
SdD6 ~LS {
y5!KX AQ% foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*}P~P$q% {
x7O-Y~[2 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
eJg8,7WC chkExport.Checked = false;
X&kp;W }
Jv^h\~*jH }
ti
\wg }
KCs[/] =?!wXOg_ 17.数字格式化
0Vx.nUQ %7|9sQ: 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
@;"|@!l| <%#Container.DataItem("price","{0:¥#,##0.00}")%>
9 AJ(&qY( 7
qS""f7 int i=123456;
nrjE.+v string s=i.ToString("###,###.00");
>7 ="8 $&=S#_HQS 18.日期格式化
0)gdB'9V_
$ ` "" 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
jnn}V~L %KLpig 显示为: 2004-8-11 19:44:28
}~L.qG :=Nz}mUV 我只想要:2004-8-11 】
j:v@pzTD <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
NCDvobYJ {e 14[0U- 应该如何改?
.6Pw|xu`Pw $&n=$C&x 【格式化日期】
I`!<9OTBj XuFYYx~ ^3 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
,0!}7;j_c 'd9INz. 【日期的验证表达式】
#AJM6* G9 9w7n1k. A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
1ukTA@Rj& ^((\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})))?$
glDu2a,Q fumm<:<CLO B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
te-jfmu2 ^\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]))$
JkbQyn gi1^3R[ 【大小写转换】
8<QdMkI HttpUtility.HtmlEncode(string);
.(cw>7e3D HttpUtility.HtmlDecode(string)
xqu}cz e w$B)W 19.如何设定全局变量
]>5/PD,wWy a.k.n< Global.asax中
X}Ai-D T4Pgbop Application_Start()事件中
cK( C&NK zHM(!\8K 添加Application[属性名] = xxx;
Pd_U7&w,5 $Nhs1st*8 就是你的全局变量
fHx*e'eA n{argI8wF 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
%]} Rl?_^dPx HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
_@
qjV~%Sy j8^I z 【ASPNETMENU】点击菜单项弹出新窗口
G[uK -U Ga^"1TZ x 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
KJ)k =mJ <?xml version="1.0" encoding="GB2312"?>
EE06h-n s <MenuData ImagesBaseURL="images/">
kTOzSiq <MenuGroup>
s<<ooycBrQ <MenuItem Label="内参信息" URL="Infomation.aspx" >
p>v$FiV2N <MenuGroup ID="BBC">
$r@zs'N <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
; F"g$_D0 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
<lPm1/8 ......
y.mda:$~= spH7 /5} 最好将你的aspnetmenu升级到1.2版
On9A U:\ }HYbS8 ' 21.读取DataGrid控件TextBox值
"c%0P"u foreach(DataGrid dgi in yourDataGrid.Items)
Fo5FNNiID {
_)3|f<E_t) TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
5H<m$K4z tb.Text....
_{YWXRC# }
M2,l7
aFX=C>M 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?
P^~yzI /L
g)i\R; 〖思归〗
;#W2|'HD <asp:TemplateColumn HeaderText="数量">
vxBgGl <ItemTemplate>
EIP/V <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
~D j8z+^ onkeyup="javascript:DoCal()"
U2#"p
/>
4#MtF'J cKca;SNql1 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
%D{6[8 </ItemTemplate>
*SJ_z(CZm </asp:TemplateColumn>
BO?%'\ gV's=cQ <asp:TemplateColumn HeaderText="单价">
mp1@|*Sn <ItemTemplate>
x)DMPVB< <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
?=sDM& ' onkeyup="javascript:DoCal()"
:D5Rlfj />
TQF| a\M' ~g]Vw4pv <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
z#wkiCRYm gD@){Ip </ItemTemplate>
hD 82tr </asp:TemplateColumn>
N)X3XTY sUO`u qZV <asp:TemplateColumn HeaderText="金额">
PO:{t <ItemTemplate>
WaRw05r <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
&jJL"gq" </ItemTemplate>
Naf0)3q>! </asp:TemplateColumn><script language="javascript">
AO4U}? function DoCal()
~!d\^Z^i {
`Y$4 H,8L var e = event.srcElement;
D%pF;XY var row = e.parentNode.parentNode;
+SU8 +w var txts = row.all.tags("INPUT");
iOghb*aW if (!txts.length || txts.length < 3)
[q[Y~1o/&H return;
k1~&x$G IFL*kB var q = txts[txts.length-3].value;
C ;W"wBz9 var p = txts[txts.length-2].value;
IM'r8V p8O2Z?\ if (isNaN(q) || isNaN(p))
JX;G<lev return;
O,f?YJ9S *L^,| q = parseInt(q);
{%H'z$|{ p = parseFloat(p);
*])
`z8Ox /W<;Z;zk txts[txts.length-1].value = (q * p).toFixed(2);
2HA:"v8 }
R&k<AZ </script>
N~)_DjQP5 ea
'D td g8% &RG ~B?y{ '-~~-}= sJ 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。
.W!i7 page_load
q>+k@>bk@ page.smartNavigation=true
VY4yS*y $<EM+oJ|ER 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
+=</&Tm private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
!_)[/q" {
@I?=<Riu for(int i=0;i<e.Item.Cells.Count-1;i++)
htF] W|z if(e.Item.ItemType==ListItemType.EditType)
<>rneHl8 {
0aB;p7~& e.Item.Cells.Attributes.Add("Width", "80px")
@*((1(q }
!%c\N8<>GD }
j A%u 5V e(t\g^X 26.对话框
h S&R(m private static string ScriptBegin = "<script language=\"JavaScript\">";
&V/MmmT
private static string ScriptEnd = "</script>";
8{sGNCvU YIYmiv5 public static void ConfirmMessageBox(string PageTarget,string Content)
Ad_hKO {
Gyc]?m string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
3
Za} b| jNk%OrP] ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
C LRdm^B t%=tik2|7 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
*$g-:ILRuZ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
]}Yl7/gM1} //Response.Write(strScript);
( a#BV}= }
.?$gpM?i k9L;!TH~1K 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Ysv"
6b} Pd Wx|y{% 1.1 取当前年月日时分秒
D*d]aC currentTime=System.DateTime.Now;
Y}wyw8g/ C,4e"yynb 1.2 取当前年
Cw&KVw* int 年= DateTime.Now.Year;
\dah^mw" =t?F6)Q 1.3 取当前月
}N52$L0[ int 月= DateTime.Now.Month;
Zj'9rXhrM1 RZTiw^ 1.4 取当前日
X"eYK/7 int 日= DateTime.Now.Day;
vnuN6M{ h/Y'<: 1.5 取当前时
b&U62iq int 时= DateTime.Now.Hour;
^U/O!GK |`FY1NN
1.6 取当前分
"3J}b?u_[ int 分= DateTime.Now.Minute;
G 01ON0 G' 1'/ 1.7 取当前秒
5)X=*I int 秒= DateTime.Now.Second;
1< ?4\?j $%f&a3# 1.8 取当前毫秒
6ik$B int 毫秒= DateTime.Now.Millisecond;
v`T
c}c ' iWR)ke 28.自定义分页代码:
-mh3DhJ, cU 先定义变量 :
RxQ * public static int pageCount; //总页面数
\Vk:93OH21 public static int curPageIndex=1; //当前页面
0=$T\(0g 1xvu<|F 下一页:
yB!dp;gM{ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
K(|}dl: {
4skD(au8 DataGrid1.CurrentPageIndex += 1;
cWm$;`Q#\ curPageIndex+=1;
$/ ],tSm }
7xR\kL., ia?
c0xL bind(); // DataGrid1数据绑定函数
fV~[;e;U. 9-
#R)4_ 上一页:
1Z&(6cDY8M if(DataGrid1.CurrentPageIndex >0)
cz$2R {
2Khv>#l
DataGrid1.CurrentPageIndex += 1;
St^5Byd< curPageIndex-=1;
s#GLJl\E_P }
n&!-9:0 #0<XNLM bind(); // DataGrid1数据绑定函数
!n%j)`0M $pz/?>! 直接页面跳转:
H,NF;QPPC int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
rZpXPI A=>u
1h69 if(a<DataGrid1.PageCount)
"Y.y:Vv; {
to&m4+5?6 this.DataGrid1.CurrentPageIndex=a;
H"F29Pu2 }
&e3.:[~_? 7[wPn`v2 bind();
*K;~!P D43z9z-:L 29.DataGrid使用:
d"Y{UE 6w7 7YTJ 添加删除确认:
TsZ@ private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>-c8q]()ly {
6H|S;K+ foreach(DataGridItem di in this.DataGrid1.Items)
Mb=" Te>| {
A %-6`> if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
%
u6Sr5A[s {
'B}qZCy W ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
,z?':TZ }
Hx:;@_gq }
aQ~s`^D }
%XTI-B/K .wr>]yN 样式交替:
Xm&L
BX ListItemType itemType = e.Item.ItemType;
0CvUc>Pj`" w*Ihk) if (itemType == ListItemType.Item )
|cY`x(?yP {
eQ}4;^;M- e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
:Qq#Z e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Y^]rMK/; }
^C%<l(b else if( itemType == ListItemType.AlternatingItem)
S[QrS7 {
I?NyM e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
9>$p e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
Dhv3jg;lq }
,[;G|et BORA(, 添加一个编号列:
<7$1kGlA DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
t:c.LFrF DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
O9p|a%o L8n|m!MOD for(int i=0;i<dt.Rows.Count;i++)
GJUL$9 {
b>$S<td dt.Rows["number"]=(i+1).ToString();
3mni>*q7d }
RGX=) DeYV$W
B DataGrid1.DataSource=dt;
E!AE4B1bd DataGrid1.DataBind();
5M_H
NWi4 xwty<?dRW1 DataGrid1中添加一个CheckBox,页面中添加一个全选框
39jG8zr=Z[ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
%%wNZ{ {
wdZ/Xp9] foreach(DataGridItem thisitem in DataGrid1.Items)
]:\dPw`A {
v.ui!|c ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
E~:x(5'%d }
~v"L!=~G;a }
FCn_^l)EA K4);HJ|= 将当前页面中DataGrid1显示的数据全部删除
snikn& foreach(DataGridItem thisitem in DataGrid1.Items)
'P}0FktP` {
<^uBoKB/f if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
ei{eTp4HpV {
VD\=`r)nT string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
4H<lm*!^ Del (strloginid); //删除函数
YgoBHE0# }
I`p;F!s }
u~-8d;+?y :a)u&g@G 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
NgCvVWto 40<mrVl 在Application_Start中添加以下代码:
!v0LBe4 Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
fd2T=fz- AppSettings["ConnStr"].ToString();
= 9]~yt E@3aI
Axh 31. 变量.ToString()
w1DV\Ap* m9Hit8f@Q 字符型转换 转为字符串
XSlGE9]AG 12345.ToString("n"); //生成 12,345.00
>e"#'K0?\ 12345.ToString("C"); //生成 ¥12,345.00
@|%2f@h 12345.ToString("e"); //生成 1.234500e+004
xF44M]i 12345.ToString("f4"); //生成 12345.0000
@{O`E^}-D 12345.ToString("x"); //生成 3039 (16进制)
C73kJa 12345.ToString("p"); //生成 1,234,500.00%
<A'$%`6m #
4PVVu< 32、变量.Substring(参数1,参数2);
^ovR7+V \K!VNB>h 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);
Z/;aT -N bbyg8;/ 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)
$ DSZO!pB <SCRIPT language="javascript">
{jX2} <!--
Oo%d]8W function gook(pws)
%- 0t?/> {
A$:U'ZG_ frm.submit();
qeZ? 7#Gf }
'CkIz"Wd //-->
.xWC{}7[ n#OB%@]<V </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
<<R*2b <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
Ak"m 85B <tr>
)f<z%:I+Z <td>
*itUWpNhr <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
u($!z^h <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
lv+TD!b <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
wT8DSq -:y,N
9^ <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
6MMOf\
<INPUT id="tem" type="hidden" size="1" value="2" name="tem">
T <ET
)D7 )C]gld;8 </td>
8&`LYdzt i5Yb`Z[Y </tr>
}oGA-Qc}B D2B%0sfl~ </form>
o]M5b;1 ;P%1j| 7 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。
AogVF |_aa&v~ 下面是获取用户输入的登陆信息的代码:
!_'ur>iR string name;
z !rL
s76 name=Request.QueryString["EmailName"];
LR.<&m%~. fN^8{w/O
try
B; h"lv {
qwgPk9l int a=name.IndexOf("@",0,name.Length);
Ata:^qI f_user.Value=name.Substring(0,a);
c>:wd@w f_domain.Value=name.Substring(a+1,name.Length-(a+1));
62o:,IcoG f_pass.Value=Request.QueryString["Psw"];
k],Q9 }
a>I+]`g 0e ~JMUb catch
""F5z,' {
;d"F%M
y Script.Alert("错误的邮箱!");
9oR@UW1 Server.Transfer("index.aspx");
CiLg]va }