1. 打开新的窗口并传送参数:
L(o#4YH}>J tbur$00 传送参数:
3 wt response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
0s%6n5> ;93KG4a 接收参数:
VXC4% string a = Request.QueryString("id");
KTmaglgp string b = Request.QueryString("id1");
d6b.zP TVkcDS 2.为按钮添加对话框
w-rOecwFvu Button1.Attributes.Add("onclick","return confirm(’确认?’)");
/$`;r2LG button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
r%-n*_?.s xZ ;bMxZ 3.删除表格选定记录
Bw-s6MS int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
<94WZ?{p string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
'p)QyL`d E+{5-[Zc*$ 4.删除表格记录警告
%V_eJC""? private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
wRbw {
M,..Kw/ }~ switch(e.Item.ItemType)
l%PnB
)F {
jgRCs.6 case ListItemType.Item :
o;;,iHu* case ListItemType.AlternatingItem :
(,tHL case ListItemType.EditItem:
chLeq TableCell myTableCell;
w%u5< myTableCell = e.Item.Cells[14];
n-OWwev) LinkButton myDeleteButton ;
.<w)Bmh myDeleteButton = (LinkButton)myTableCell.Controls[0];
!sK#zAR2
myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
DQ_ 2fX~) break;
<!!nI%NC default:
)%#?3X^sI break;
aL)$b }
x5vzPh` uBRw>"c_*8 }
EXHR(t}e C'<'7g4 5.点击表格行链接另一页
_3&/(B%H private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
=uc^433. {
J|?[.h7tO //点击表格打开
?*o;o?5s^ if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
*`.LA@bHU e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
+$~8)95<B }
Iaa|qJ4 npj5U/
双击表格连接到另一页
{X]9^=O" L9J;8+ge 在itemDataBind事件中
D;C5,rNt if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Nh:4ys!P {
\E&th p string OrderItemID =e.item.cells[1].Text;
*h])mqhB ...
?o>6S
EGW e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
k(9s+0qe }
24O
d] f JU2P%3 双击表格打开新一页
VO|u8Z" if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
P2QRvn6v {
"c EvFY string OrderItemID =e.item.cells[1].Text;
+7^w9G ...
)u
Qvt- e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
ChVY
Vx( }
i6A$1(:h oVreP ★特别注意:【?id=】 处不能为 【?id =】
e
sGlMq 6.表格超连接列传递参数
!xH,y <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
n4R]+&* <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
b<\G I7 M;PlSb 7.表格点击改变颜色
~QO<
B2hS} if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
.Nk6 {
*V<)p%l. e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
3l+|&q[v this.style.color=’buttontext’;this.style.cursor=’default’;");
=x oBC&u }
9<w=),R`8 `U!(cDY 写在DataGrid的_ItemDataBound里
)2toL5 Q if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
*.,8,e8Vq {
Es:5yX! e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
~Ji>[#W
K this.style.color=’buttontext’;this.style.cursor=’default’;");
WQTendS e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
63SVIc~wT }
V"BVvSNu
+Bn?-{h= KG-UW 8.关于日期格式
I,w^?o dkETM, 日期格式设定
i >J:W"W DataFormatString="{0:yyyy-MM-dd}"
DWdLA~'t ym[+Rw 我觉得应该在itembound事件中
,A^L=+ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
&'NQ)Dn %qONJP 9.获取错误信息并到指定页面
)v};C< Jfe~ ,cI 不要使用Response.Redirect,而应该使用Server.Transfer
L#[HnsLp_ G1A$PR e.g
Dn: Yi8= // in global.asax
VDPxue protected void Application_Error(Object sender, EventArgs e) {
g8Ok ^ if (Server.GetLastError() is HttpUnhandledException)
A?\h|u< Server.Transfer("MyErrorPage.aspx");
D`8E-Bq ;g6 nHek //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
V02309Y }
7/4~>D&-b RlPjki"Mg 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
1XQ87~ YBR)s\* 10.清空Cookie
gca|?tt Cookie.Expires=[DateTime];
s!bHS_\e| Response.Cookies("UserName").Expires = 0
RLv&,$$0 rnJS[o0 11.自定义异常处理
Qz'O{f //自定义异常处理类
J&( using System;
p$B)^S%0i using System.Diagnostics;
ws#hhW3qK l
DgzM3 namespace MyAppException
h)"'YzCt {
FyQOa) 5 /// <summary>
ZV0)
."^Z /// 从系统异常类ApplicationException继承的应用程序异常处理类。
#cR57=M} /// 自动将异常内容记录到Windows NT/2000的应用程序日志
>h|UC J1
` /// </summary>
fQ^h{n public class AppException:System.ApplicationException
imC&pPBB/G {
:m)c[q8 public AppException()
UzXDi#Ky {
$4ka +nfU if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Lqg7D\7j }
x/pC%25 gX/|aG$a!U public AppException(string message)
[''=>< {
Mf!owpW
T LogEvent(message);
,^Ex}Z }
))c*_n :Xb*m85y public AppException(string message,Exception innerException)
:/ ~):tM {
v\J!yz LogEvent(message);
=#7s+ d- if (innerException != null)
C,V|TF.i2 {
AviT+^7E LogEvent(innerException.Message);
Kv(Y } }
3xc:Y>
*` }
0^-z?Kb<} mm3zQ!2j. //日志记录类
=9#i<te using System;
T]5U_AI@ using System.Configuration;
O<gP)ZW~ using System.Diagnostics;
FA5k45wL using System.IO;
T9aTEsA[U using System.Text;
'&rw=.cU using System.Threading;
b=6ZdN1 0:~gW#lD namespace MyEventLog
wI|bBfd( {
!.x=r /// <summary>
T1di$8 /// 事件日志记录类,提供事件日志记录支持
dct#ECT /// <remarks>
#E@i @'T /// 定义了4个日志记录方法 (error, warning, info, trace)
YfU#kvE' /// </remarks>
k0uwG'(z9 /// </summary>
oKJ7i,xT public class ApplicationLog
<|G~S<y} {
~,1q :Kue /// <summary>
)t=u(:u] /// 将错误信息记录到Win2000/NT事件日志中
{EN@,3bA /// <param name="message">需要记录的文本信息</param>
0>MI*fnY" /// </summary>
N6 8>` public static void WriteError(String message)
"kg$s5o {
D*Q#G/TF3 WriteLog(TraceLevel.Error, message);
/8HO7E+5 }
OkUpgXU !Qzp!k9d /// <summary>
/j@r~mt/pA /// 将警告信息记录到Win2000/NT事件日志中
GLF"`M /g /// <param name="message">需要记录的文本信息</param>
<%7
V`,*g/ /// </summary>
cTTE]ix] public static void WriteWarning(String message)
)eMh,r
{
>7q,[:(gs WriteLog(TraceLevel.Warning, message);
e;[8GE.
}
,LO-!\L B9-[wg#0G /// <summary>
][1u:V/
U /// 将提示信息记录到Win2000/NT事件日志中
I,3!uogn /// <param name="message">需要记录的文本信息</param>
@&B!P3{f /// </summary>
~l6Y<-! public static void WriteInfo(String message)
9v2 ; {
-;-"i J0 WriteLog(TraceLevel.Info, message);
B'/ >Ax& }
0.0!5D[ /// <summary>
1hS~!r'qqv /// 将跟踪信息记录到Win2000/NT事件日志中
$ 3B? /// <param name="message">需要记录的文本信息</param>
;qK6."b`; /// </summary>
EQ$9IaY. public static void WriteTrace(String message)
<]^D({` {
L:Eb(z/D WriteLog(TraceLevel.Verbose, message);
PtOnj)Q }
KHN
,SB }O /// <summary>
l$ 9, /// 格式化记录到事件日志的文本信息格式
jsQ$.)nO /// <param name="ex">需要格式化的异常对象</param>
(*BW/.Fq /// <param name="catchInfo">异常信息标题字符串.</param>
=7,UqMl_ /// <retvalue>
"6QMa,)D /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
d]`,}vi#E9 /// </retvalue>
J,Ap9HJt /// </summary>
;P~S/j[ 8 public static String FormatException(Exception ex, String catchInfo)
Q>ytO'v1 {
.Tv(1HAc2l StringBuilder strBuilder = new StringBuilder();
9#6/c if (catchInfo != String.Empty)
#Q7$I.O] {
N
Z`hy>LF^ strBuilder.Append(catchInfo).Append("\r\n");
i`'^ zR(`i }
H-w|JH>g strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
< z)G& h@ return strBuilder.ToString();
?Fpl.t~ }
18`%WUPnT j}l8k@f /// <summary>
3>Snd9Q /// 实际事件日志写入方法
%/zZ~WIf /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
xv l /// <param name="messageText">要记录的文本.</param>
N@)~j+Pz /// </summary>
2N 4> private static void WriteLog(TraceLevel level, String messageText)
`1]9(xwhQ0 {
fk1f'M)/8 try
>t(@?*ZFT {
%'z3es0 EventLogEntryType LogEntryType;
I9>*Yy5RNS switch (level)
q+~CA[H5K {
{Z.@-Tl_ case TraceLevel.Error:
*xP:7K LogEntryType = EventLogEntryType.Error;
^ni_%`Ag break;
4N j?UDa case TraceLevel.Warning:
)7J>:9h LogEntryType = EventLogEntryType.Warning;
MNC!3d(D\R break;
EZBzQ"" case TraceLevel.Info:
C<XDQ>? LogEntryType = EventLogEntryType.Information;
cO&9(.d break;
DA~ELje^j case TraceLevel.Verbose:
Q;nr=f7Ys LogEntryType = EventLogEntryType.SuccessAudit;
K/cK6Yr break;
nUHVPuQ/'T default:
O%e.u>=4% LogEntryType = EventLogEntryType.SuccessAudit;
C|LQYz-{ break;
2z3A"HrlA }
f*Js= hvO _9r{W65s EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
^j}sS!p //写入事件日志
{m:R v&T eventLog.WriteEntry(messageText, LogEntryType);
t@M] ec gQ#T7 }
3~rc=e catch {} //忽略任何异常
cU|jT8Q4H }
=U2n"du } //class ApplicationLog
a*ymBGF }
^^uD33@_ +9CUnRv 12.Panel 横向滚动,纵向自动扩展
|pSoBA9U <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
IoOnS) /GGu` f 13.回车转换成Tab
puF
Z~WZ <script language="javascript" for="document" event="onkeydown">
]{^vs'as\ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
\l5:A]J event.keyCode=9;
]i2\2MTW8 </script>
(=V[tI+Ngt A8GlE onkeydown="if(event.keyCode==13) event.keyCode=9"
3>v0W@C b0 `9wn 14.DataGrid超级连接列
7!wnx. DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
Pc==]H( :j4
[_9\ 15.DataGrid行随鼠标变色
uF"`y&go private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
!Jl0Eu {
e8<nPt`C if (e.Item.ItemType!=ListItemType.Header)
~W{h-z%q {
v*'\w#
e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
[S+-ovl e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
C/VYu-p% }
*?Ef}:] }
N)WG~=Gi X(28xbd| 16.模板列
;NeEgqW" <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
MiM=fIuw@s <ITEMTEMPLATE>
][#*h`I <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
m]q!y3 </ITEMTEMPLATE>
F:GKnbY </ASP:TEMPLATECOLUMN>
tuV?:g? #!# X3j <ASP:TEMPLATECOLUMN headertext="选中">
T?{9Z <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
v=-3 ,C <ITEMTEMPLATE>
Qp&ySU8 <ASP:CHECKBOX id="chkExport" runat="server" />
h xJgxM </ITEMTEMPLATE>
o;_bs~}y <EDITITEMTEMPLATE>
N~_jiVD> <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Cbs4`D, </EDITITEMTEMPLATE>
?^4sE-C6 </ASP:TEMPLATECOLUMN>
IkNt!
2s_ uA`PZ| 后台代码
ER1mA:8>E protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
6'!{0 5=m {
=2)t1 H //改变列的选定,实现全选或全不选。
vaJXX CheckBox chkExport ;
}px] if( CheckAll.Checked)
Kg-X]yu*0 {
i9U_r._qj; foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
G<6grd5PP {
$50"3g!Y chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
_5 tqO5' chkExport.Checked = true;
aZGDtzNG5h }
,GP4I3D }
1?#9Kj{ql else
-8 =u{n {
q'@Ei4 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
|ZlT>u {
166c\QO chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
]pTw]SK chkExport.Checked = false;
.ASwX }
m>dcb
6B+g }
(ul-J4E\O }
fYM6wYJ 1y-lZ}s_ 17.数字格式化
aW-o=l@; G5y 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
cGzYW~K <%#Container.DataItem("price","{0:¥#,##0.00}")%>
nYt\e]3 T&"dBoUq>G int i=123456;
`G0rF\[ string s=i.ToString("###,###.00");
&dDI*v+ _Ge^
-7 18.日期格式化
5=h'!|iY 1$D`Z/N"A 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
^WW|AS ~.9o{?pbG 显示为: 2004-8-11 19:44:28
HmB[oH"x *@n3>$ 我只想要:2004-8-11 】
iZ6C8HK&& <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
s_Oh >y?Aq ;Pqyu
? 应该如何改?
q&dRh 3H}~eEg, 【格式化日期】
}>X\" 6aZt4Lw2\ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
yki51rOI* p6y0W`U 【日期的验证表达式】
&DQ4=/Z pkN:D+gS A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
skDk/-*R ^((\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})))?$
A~GtK\=;
K M\+ B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
x D=qU ^\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]))$
OG^WZ.YU ; (0(8G 【大小写转换】
Pn'(8bRm HttpUtility.HtmlEncode(string);
(GcKaUg8* HttpUtility.HtmlDecode(string)
ml33qXW: ^&';\O@) 19.如何设定全局变量
;.Oh88|k syW9Hlm Global.asax中
H"q`k5R n &\'Hm Application_Start()事件中
J6(
RlHS; +>WC^s 添加Application[属性名] = xxx;
qz=#;&ZU `\F%l?aY 就是你的全局变量
Cs[7% j Ei9_h
20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
i
B!h Ebz =Kt9,d08x HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
]O7.ss/2 Ns!3- Y 【ASPNETMENU】点击菜单项弹出新窗口
m,gy9$ H
MjeGO.i 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
&Ky u@Tt <?xml version="1.0" encoding="GB2312"?>
k Kp6 <MenuData ImagesBaseURL="images/">
lO2T/1iMTW <MenuGroup>
[71#@^ye <MenuItem Label="内参信息" URL="Infomation.aspx" >
]oas <MenuGroup ID="BBC">
X=p3KzzX <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
&J^4Y!gt <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
^/ DII`A ......
{NY~JFM yXTK(<' 最好将你的aspnetmenu升级到1.2版
aq0iNbv@ s@ 20#D 21.读取DataGrid控件TextBox值
^?s~Fk_V foreach(DataGrid dgi in yourDataGrid.Items)
~C"k$;(n {
N$,/Q9h^ TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
;N$ 0)2w tb.Text....
&8Jg9# }
9o`7Kc/g Hw?2XDv j 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?
};"+ O 'Uko^R)( 〖思归〗
zD)IU_GWa <asp:TemplateColumn HeaderText="数量">
2B9i R <ItemTemplate>
ovDJ{3L6O <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
t8DL9RW' onkeyup="javascript:DoCal()"
&>W (l. />
fKTDt% `*" H/QG <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
(zs4#ja2, </ItemTemplate>
p2Dh3)& </asp:TemplateColumn>
<g3du~ rQcRjh+E
H <asp:TemplateColumn HeaderText="单价">
UR1JbyT <ItemTemplate>
B.22
DuE# <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
0i5y(m&7 onkeyup="javascript:DoCal()"
bB:r]*_
s] />
~MhgAC 2JiAd*WK <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
!EX?m }7 QY~<~<d+G </ItemTemplate>
U/X|i / </asp:TemplateColumn>
ePq13!FC/ cebs.sF: <asp:TemplateColumn HeaderText="金额">
gV"qV <ItemTemplate>
#+K
Kvk <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
r=~WMDCz@ </ItemTemplate>
@K$VV^wp </asp:TemplateColumn><script language="javascript">
%@lV-(5q function DoCal()
PTbA1.B {
Pt6hGSo. var e = event.srcElement;
EjR_-8@FK var row = e.parentNode.parentNode;
CxbSj, var txts = row.all.tags("INPUT");
*GbVMW[A> if (!txts.length || txts.length < 3)
\~@[QGKN return;
*xE"8pN/ c=A(o var q = txts[txts.length-3].value;
9Fy\t{ks var p = txts[txts.length-2].value;
]#Vo}CVP +Lm3vj_N if (isNaN(q) || isNaN(p))
j+DE|Q&]I return;
3h9Sz8 ORGv)>C| q = parseInt(q);
RzA2*]%a p = parseFloat(p);
K*R)V/B/l `fBG~NDw txts[txts.length-1].value = (q * p).toFixed(2);
-}{%Q?rYj }
qQfqlD< </script>
Sl3KpZ Gb(C#,xbK @br@[RpB ?HrK\f3wWO lLuID 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。
yZYKwKG page_load
.:}.b"%m page.smartNavigation=true
#ZG3|#Q=L <y@,3DD3A9 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 ?
C#MFpT private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
M{`/f@z( {
)Y3EQxXa for(int i=0;i<e.Item.Cells.Count-1;i++)
([:]T$0 # if(e.Item.ItemType==ListItemType.EditType)
t"<s} ~ {
_W)`cr e.Item.Cells.Attributes.Add("Width", "80px")
4$yV%[j }
TZ?Os4+ }
g%`i=s&N% d"#gO,H0 26.对话框
[Q4_WKI0T private static string ScriptBegin = "<script language=\"JavaScript\">";
Q)09]hP[Xj private static string ScriptEnd = "</script>";
&qJPwO ;~W8v.EW public static void ConfirmMessageBox(string PageTarget,string Content)
Zimh_ {
SArfczoB string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
G1]"s@8( F-_%>KJS ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
;wJ~ha C $o]r]#B+ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
8g\wVKkTQp ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
pv$mZi4i //Response.Write(strScript);
uxWFM
$ }
V,V*30K5 6}ce1|mkg/ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
}$o* 8 RVS)D'' 1.1 取当前年月日时分秒
"mP&8y9F currentTime=System.DateTime.Now;
h }<0 / Ls&+XlrX8 1.2 取当前年
JkZ50L int 年= DateTime.Now.Year;
25UYOK}! _eGT2,D5r 1.3 取当前月
R)ERxz# int 月= DateTime.Now.Month;
w{pUUo:< vt//)*(.$ 1.4 取当前日
ujU=JlJ7dl int 日= DateTime.Now.Day;
g %f*ofb &J_Z~^ 1.5 取当前时
vu=me?m?( int 时= DateTime.Now.Hour;
,Du@2w3Cq N;uUx#z 1.6 取当前分
?a
S% int 分= DateTime.Now.Minute;
4t04}vp `>s7M.|X 1.7 取当前秒
M :V2a<!c int 秒= DateTime.Now.Second;
F8H'^3`b`U (ab{F5 1.8 取当前毫秒
l71gf.4g int 毫秒= DateTime.Now.Millisecond;
9Gca6e3 F*M|<E= 28.自定义分页代码:
moMYdArj r!7 Y'| 先定义变量 :
3{KR
{B#L public static int pageCount; //总页面数
] /+D^6 public static int curPageIndex=1; //当前页面
$(ewk): ^(ScgoXva 下一页:
;6ky5}z if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
({4] {
9:5:`'b DataGrid1.CurrentPageIndex += 1;
vv6?V#{ curPageIndex+=1;
j Fma|y }
EM@;3.IO ibJHU@l bind(); // DataGrid1数据绑定函数
3\AM=` .e@> 上一页:
LOr|k8tL% if(DataGrid1.CurrentPageIndex >0)
,vV]"f {
.x!T+`l>8I DataGrid1.CurrentPageIndex += 1;
)t:7_M3 curPageIndex-=1;
sc W'AJJq }
_d@=nK) Bn?:w\%Ue bind(); // DataGrid1数据绑定函数
YzAFC11, Po(]rQbE 直接页面跳转:
9GgA 6# int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
#]9hTa IR 9AHSs,.t if(a<DataGrid1.PageCount)
`2`fiKm {
JS2nXs1 this.DataGrid1.CurrentPageIndex=a;
,m^;&& }
a8$kNtA mf' ]O, bind();
eWvo,4 MAqLIf<G 29.DataGrid使用:
/-4$7qd oE?QnH3R 添加删除确认:
3xNMPm private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Q$ri=uB;+ {
'9s5OTkN ; foreach(DataGridItem di in this.DataGrid1.Items)
^N{ltgQY {
u=r`t(Z1H if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
[I l~K {
u3J?bR ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
T@[! A); }
f?56=& pHY }
K=?VDN }
RKZ6}q1n x0Yse:RE^ 样式交替:
b.F^vv"]] ListItemType itemType = e.Item.ItemType;
:?Y$bX}a 5\Fz! if (itemType == ListItemType.Item )
{_#y z\j {
V-!"%fO.s e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Kmz7c| e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
DNkWOY#{ }
eKN$jlg else if( itemType == ListItemType.AlternatingItem)
'Z&;uv,l {
e-5?p~> e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
_q?<at}y e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
%UZVb V }
^j )BKD- K93p"nHN 添加一个编号列:
]"~51HQZ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
i)ASsYG! DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
k+^'?D--'P GiFXX for(int i=0;i<dt.Rows.Count;i++)
KCuGu} {
B*1W`f dt.Rows["number"]=(i+1).ToString();
Ad$n4Ze }
is?2DcSl5 fNu'((J- DataGrid1.DataSource=dt;
}_
mT
l@* DataGrid1.DataBind();
4~z?" ?BA^YF DataGrid1中添加一个CheckBox,页面中添加一个全选框
PX(pX> private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
AVw%w&|% {
17.x0gW, foreach(DataGridItem thisitem in DataGrid1.Items)
zsXoBD\h {
wnLi2k/Dt< ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
!? 5U| }
sZ&G%o }
*e#<n_%R 1w(JEqY3h: 将当前页面中DataGrid1显示的数据全部删除
xI*#(!x"G foreach(DataGridItem thisitem in DataGrid1.Items)
DI|:p!Nx {
L,,*gK if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
EGq;7l6u&? {
nqVZqX@oE string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
kcie}Be Del (strloginid); //删除函数
=*vMA#e }
2[fN\e{ }
MZJ]Dwt] <M]h{BS= 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
RW$:9~ q my%J 在Application_Start中添加以下代码:
1xE]6he4{T Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
Mg,:UC: AppSettings["ConnStr"].ToString();
`qVjwJ!+ @4$\
5%j 31. 变量.ToString()
%ir:ASk Va
VN 字符型转换 转为字符串
llV3ka^! 12345.ToString("n"); //生成 12,345.00
Z?Hs@j 12345.ToString("C"); //生成 ¥12,345.00
G~7 i@Zs 12345.ToString("e"); //生成 1.234500e+004
J[~5U~F 12345.ToString("f4"); //生成 12345.0000
WKz>
!E% 12345.ToString("x"); //生成 3039 (16进制)
9`//^8G:= 12345.ToString("p"); //生成 1,234,500.00%
^YdcAHjK Sn4[3JV $l 32、变量.Substring(参数1,参数2);
E m
6Qe bI)u/ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
r7]zQIE c#IYFTz 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
{gNV[45 <SCRIPT language="javascript">
>gwz,{ <!--
5}$b0<em~ function gook(pws)
7pA/ {
W|:lVAP.|} frm.submit();
%?^6).aEK }
W!!S!JF //-->
obrl#(\P vDl- "!G1 </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
v[plT2"s <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
mGUO6>g <tr>
OA/WtQ5 <td>
l!}:|N Yh! <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
-<v~snq' <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
`@[c8j7 <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
^EG\iO2X 7@lS.w\#- <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
3kcTE&1^ <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
W>VP'vn} :1XtvH </td>
:l7U>~ o lv vs%@b> </tr>
#_Z$2L"U ?m$a6'2-,J </form>
Uj+j}C a22Mufl 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。
P&m\1W( 7XKY]|S,' 下面是获取用户输入的登陆信息的代码:
b"!Q2S~ string name;
x8\A<(G_M= name=Request.QueryString["EmailName"];
PHA-9\jC{ o9xlu.QL{c try
2aJS{[ {
ae:zWk'! int a=name.IndexOf("@",0,name.Length);
}ENR{vz$A f_user.Value=name.Substring(0,a);
8Og_W8 f_domain.Value=name.Substring(a+1,name.Length-(a+1));
%AOja+ f_pass.Value=Request.QueryString["Psw"];
I$E.s*B9 }
~%?`P/.o C2Xd?d catch
jM-)BP6f4 {
E*L iM5+I Script.Alert("错误的邮箱!");
"&+"@< Server.Transfer("index.aspx");
R4ht6Vm3g) }