1. 打开新的窗口并传送参数:
&?)?
w-$p t5"g 9`A L 传送参数:
XVwJr""+ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
;p_@%*JAx QO&{Jx.^[ 接收参数:
=]swhF+l- string a = Request.QueryString("id");
, A@uSfC( string b = Request.QueryString("id1");
o6 lCP& fC7rs 5 2.为按钮添加对话框
$t{;- DpNB Button1.Attributes.Add("onclick","return confirm(’确认?’)");
:fx^{N!T button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
>L_nu.x *\!>22* 3.删除表格选定记录
W7PL]5y& int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
=}1)/gcM string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
Pn| ;VCh :{Mr~Co* 4.删除表格记录警告
Q 2mTu[tx private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
)A1u uW ( {
??u*qO:p switch(e.Item.ItemType)
Wp2$L-T&$ {
_<LJQ case ListItemType.Item :
tP0\;W case ListItemType.AlternatingItem :
E'ay
@YAp case ListItemType.EditItem:
;ifPqLkO TableCell myTableCell;
N R0"yJV> myTableCell = e.Item.Cells[14];
nd4Z5=X LinkButton myDeleteButton ;
fb*h.6^y9 myDeleteButton = (LinkButton)myTableCell.Controls[0];
*+|,rcI myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
:H(wW
break;
jo}yeGbU default:
z?I"[M break;
+~[>Usf }
3Ud{W$Ym dWK"Tkf\ }
gx ]5)O y`Nprwb 5.点击表格行链接另一页
2P(6R.8;6 private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
C4H$w:bVk {
D<wz%* //点击表格打开
p-o8Ctc?V if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
V7}]39m(s e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
=73aME} }
h; "pAE Hq;*T3E 双击表格连接到另一页
UrRYK-g h7a/]~ 在itemDataBind事件中
w =2; QJ< if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
~4V-{-=0a7 {
j' }4ZwEh
string OrderItemID =e.item.cells[1].Text;
4Wk`P]?^ ...
#9e 2+5s e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
T jrz_o) }
3n3$? oV Xf%vfAf 双击表格打开新一页
_fM=J+ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
-SlAt$IJ {
o#\c:D*k string OrderItemID =e.item.cells[1].Text;
%u!)1oOIz ...
LFX[v e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
f!K{f[aDa }
9cXL4 UpSa7F:Uw ★特别注意:【?id=】 处不能为 【?id =】
'Y22HVUX 6.表格超连接列传递参数
V
M{Sng <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
JKY <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
lKBI3oYn q5G`N>"V 7.表格点击改变颜色
Y1-=H)G if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
W1
\dGskV {
m`9P5[m#x> e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
S| this.style.color=’buttontext’;this.style.cursor=’default’;");
@*&`1 }
!%/2^ .Mxt
F\ 写在DataGrid的_ItemDataBound里
49tJ+J- N if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
A)80qx:
{
f7?u`"C e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
&~ '^;hy= this.style.color=’buttontext’;this.style.cursor=’default’;");
2=
)V"lR\ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
J 7HOSFwXn }
4Dw|
I${O orZwm9#]. 08_<G`r 8.关于日期格式
X- P%^mK R@
MXwP 日期格式设定
L~!Lq4]V\g DataFormatString="{0:yyyy-MM-dd}"
0
} |21YED (YY!e2 我觉得应该在itembound事件中
MZ%S3' e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
%4x,^ K] Ij?Qs{V 9.获取错误信息并到指定页面
d;g]OeF S9E<)L 不要使用Response.Redirect,而应该使用Server.Transfer
@@5JuI-! {`+:!X e.g
nn8uFISb // in global.asax
gg&Dej2{ protected void Application_Error(Object sender, EventArgs e) {
7e:7RAX if (Server.GetLastError() is HttpUnhandledException)
"Z#MR`;&29 Server.Transfer("MyErrorPage.aspx");
}_fVv{D
4Ix~Feuph //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
{k)H.zwe }
I3AxKA 3^`.bm4 ^ 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
p]Q(Z rU_FRk 10.清空Cookie
RPZ
- Cookie.Expires=[DateTime];
98I m/v Response.Cookies("UserName").Expires = 0
g>n1mK| :1gcLsF 11.自定义异常处理
>K
7]G?+7E //自定义异常处理类
, L5.KwB using System;
(Eo#oX using System.Diagnostics;
D6:"k
2 ]ZS/9 $ namespace MyAppException
uWkuw5; {
"9OOyeKu% /// <summary>
v03^ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
;5:3 =F>ao /// 自动将异常内容记录到Windows NT/2000的应用程序日志
ksV^Y=] /// </summary>
t]6
4= public class AppException:System.ApplicationException
) %bY2
pk {
6BObV/S Jg public AppException()
bj=YFV+ {
/jN&VpDG if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
mU;\,96# }
V/t- *?!A public AppException(string message)
6D29s]h2 {
puK /;nns LogEvent(message);
Ql9
) }
cpQhg-LY| 18JAca8Zs public AppException(string message,Exception innerException)
r(Y@; {
k7=mxXF LogEvent(message);
{3G2-$yb if (innerException != null)
Wa'm]J {
r~sQdf LogEvent(innerException.Message);
!;B^\
8{ }
KTjf2/ }
w6.J&O O^4Ko} //日志记录类
)5l9!1j using System;
QO3QR/Ww using System.Configuration;
+\~Mx>Cn using System.Diagnostics;
+$D~?sk using System.IO;
f/]g@/` using System.Text;
+"D*0gYD using System.Threading;
sRSy++FRF *_tJ ; namespace MyEventLog
k1_3\JO"6 {
22"/|S /// <summary>
u|8yV.=R /// 事件日志记录类,提供事件日志记录支持
(Q6}N'T /// <remarks>
LE@`TPg$R /// 定义了4个日志记录方法 (error, warning, info, trace)
QiQO>r /// </remarks>
'fIirGOl /// </summary>
WHvxBd public class ApplicationLog
e]u3[ao {
QVQ?a&HYS /// <summary>
q/^&si /// 将错误信息记录到Win2000/NT事件日志中
ns9a+QQ /// <param name="message">需要记录的文本信息</param>
Pt8 U0)i) /// </summary>
"~aCW~ public static void WriteError(String message)
H8?Kgaj~vf {
(ZHEPN WriteLog(TraceLevel.Error, message);
?o.Q }
qy: Zn"1qLPF /// <summary>
\!,qXfTMB /// 将警告信息记录到Win2000/NT事件日志中
|k=L&vs
/// <param name="message">需要记录的文本信息</param>
@Xq3>KJ_)H /// </summary>
?#_] Lzn' public static void WriteWarning(String message)
B!+`km5 {
3bPF+(`J WriteLog(TraceLevel.Warning, message);
$_NP4V8|z/ }
.+Fh,bNYK mLL?n) /// <summary>
+)l6%QKcW /// 将提示信息记录到Win2000/NT事件日志中
oN
" /w~ /// <param name="message">需要记录的文本信息</param>
tQrkRg(E: /// </summary>
xbhU:,o public static void WriteInfo(String message)
m@^!?/as {
VJ$UpqVm WriteLog(TraceLevel.Info, message);
Ee -yP[2
* }
'}$$o1R /// <summary>
-%t2_g, /// 将跟踪信息记录到Win2000/NT事件日志中
_ya_Jf* /// <param name="message">需要记录的文本信息</param>
'hl4cHk14 /// </summary>
J,j! public static void WriteTrace(String message)
1VC:o]$ {
G!3d!$t
WriteLog(TraceLevel.Verbose, message);
#jNN?,ZK }
3erGTa[|q 5cE?> /// <summary>
U#U nM,3% /// 格式化记录到事件日志的文本信息格式
o 0'!u /// <param name="ex">需要格式化的异常对象</param>
hbg:}R=B< /// <param name="catchInfo">异常信息标题字符串.</param>
$D)Ajd; /// <retvalue>
MF["-GvP/ /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
oyeJ"E2 /// </retvalue>
4]18=?r> /// </summary>
Dw6mSsC/ public static String FormatException(Exception ex, String catchInfo)
_wKaFf {
oe{K0.` StringBuilder strBuilder = new StringBuilder();
nVt,= ?_ U if (catchInfo != String.Empty)
U4*Q;A# {
^*=.Vuqy strBuilder.Append(catchInfo).Append("\r\n");
08TeGUjJ }
lmRdl> strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
1SGLA"r return strBuilder.ToString();
x<es1A'u6 }
F+3}Gkn Lradyo44u\ /// <summary>
.sOEqwO}> /// 实际事件日志写入方法
?]]d
s] /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
)IH|S5mG? /// <param name="messageText">要记录的文本.</param>
`oq][| /// </summary>
~!& "b1
private static void WriteLog(TraceLevel level, String messageText)
.!pr0/9B {
%!X|X,b^O try
U'(@?]2<G {
"$Mz>]3&q EventLogEntryType LogEntryType;
jJK`+J,i}X switch (level)
Q'B2!9=LB {
%P2l@}?a case TraceLevel.Error:
=
olmBXn/ LogEntryType = EventLogEntryType.Error;
yxx'g+D* break;
GF=rGn@,)` case TraceLevel.Warning:
B3V; LogEntryType = EventLogEntryType.Warning;
tr t^o break;
e
1$<,.> case TraceLevel.Info:
aF41?.s LogEntryType = EventLogEntryType.Information;
,p\:Z3{ZH break;
Adma~]T9 case TraceLevel.Verbose:
L"
GQQ LogEntryType = EventLogEntryType.SuccessAudit;
=W_Pph break;
$ rU"Krf67 default:
1\aJ[t LogEntryType = EventLogEntryType.SuccessAudit;
BHZCM^ break;
zY=eeG+4s }
>3MzsAH\ y`|86`
Y EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
,&5\` //写入事件日志
R#^.8g)t eventLog.WriteEntry(messageText, LogEntryType);
[PW\l+i %A^V@0K3 }
15X.gx catch {} //忽略任何异常
NlG~{rfI }
~]_U!r[FA } //class ApplicationLog
Ump$N# }
gZHuyp(B %Y:"5fH 12.Panel 横向滚动,纵向自动扩展
<Cbi5DtR <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
NrK.DY4 Y*Ra!]62 13.回车转换成Tab
ls*bCe <script language="javascript" for="document" event="onkeydown">
H6t'V%Ys if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
_* m<Z;Et event.keyCode=9;
e>] gCa </script>
<1%(%KdN[ Z.l4< onkeydown="if(event.keyCode==13) event.keyCode=9"
S<Os\/* Id}/(Pkq 14.DataGrid超级连接列
A 6IrA/b DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
EQTJ=\WFF 6^l|/\Y{ 15.DataGrid行随鼠标变色
w5+H9R6 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
+ ;LO|! {
R9z:K_d, if (e.Item.ItemType!=ListItemType.Header)
6Lb(oY}\3 {
?XIB\7} e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
2Pm[
kD4E= e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
)4MM>Q }
u _mtdB' }
bpx
^ Db`SNk= 16.模板列
dtT:,& <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
ki6Lt <ITEMTEMPLATE>
YEPQ/Pc <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
zo|
' </ITEMTEMPLATE>
h4#y'E!,Z </ASP:TEMPLATECOLUMN>
F(?O7z"d -Lhq.Q*a <ASP:TEMPLATECOLUMN headertext="选中">
B{ A b# <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
:*} -,{uX <ITEMTEMPLATE>
'EHtA9M <ASP:CHECKBOX id="chkExport" runat="server" />
YWFq&II|Z </ITEMTEMPLATE>
uo8[,' <EDITITEMTEMPLATE>
omMOA <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Cvp!(<<gK </EDITITEMTEMPLATE>
ZccvZl ;b </ASP:TEMPLATECOLUMN>
9?XQB%44 4=~+Bz 后台代码
n
"bii7h protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
#PkZi(k
hv {
&"r /&7: //改变列的选定,实现全选或全不选。
F1)5"7f CheckBox chkExport ;
U EjP` if( CheckAll.Checked)
;aN_!!
r {
5MCnGg@ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Lc#GBaJ {
2{Y~jYt{h chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;=p3L<~c`K chkExport.Checked = true;
![i)_XO }
$*Kr4vh }
Yu$QL@ else
`y|_hb {
;
I;&O5Y foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
?Kt F!:_C {
=(]Z%Q-V chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
&,l(2z[ chkExport.Checked = false;
8c\\-{ }
"g,`K s ]; }
xG(xG%J }
bu9.HvT' GXp`yK9c 17.数字格式化
45?%D} ?g9:xgkF
^ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
d9& <%#Container.DataItem("price","{0:¥#,##0.00}")%>
`/O AgV"` a$j ~YUG_ int i=123456;
6CCm1F{` string s=i.ToString("###,###.00");
AP1&TQ,& rQxiG[0 18.日期格式化
"<"m}rE?Q e }Mf 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
zM,r0Z C-@[= 显示为: 2004-8-11 19:44:28
.VCF[AleS
D5bPF~q 我只想要:2004-8-11 】
)bWopc <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
>UQY3C 5a-x$Qb9 应该如何改?
4[(NxXH8M I>GBnx
L
【格式化日期】
rz0)S
py6 B[I9<4} 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
?<`oKBn :h(`eC 【日期的验证表达式】
)q66^%;S 35Yf,@VO A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
nwp(% fBo ^((\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})))?$
o_1N "o% kO5lLqE B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
cNbUr ^\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]))$
a%A!DzS GsmXcBzDw2 【大小写转换】
EV?U
!O HttpUtility.HtmlEncode(string);
T](}jQxj` HttpUtility.HtmlDecode(string)
RG*Vdom $AT@r" 19.如何设定全局变量
9QaE)wt ?ac4GA( Global.asax中
Vr|e(e.% u&w})`+u5 Application_Start()事件中
"M, 1ElQ $~S~pvT 添加Application[属性名] = xxx;
p- a{6<h ~o>Gm>5!HH 就是你的全局变量
Zwm/ c]6` W#%s0EN<_ 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
f1]zsn: *E*oWb]H HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
{zWR)o .= 9b/Dswxjx 【ASPNETMENU】点击菜单项弹出新窗口
ESNI$[` @ 5^nrB 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
-OSj<m< <?xml version="1.0" encoding="GB2312"?>
ei<0,w[V1{ <MenuData ImagesBaseURL="images/">
0$]iRE;O] <MenuGroup>
R{fJ"Q5' <MenuItem Label="内参信息" URL="Infomation.aspx" >
jQ,Vs=*H <MenuGroup ID="BBC">
Kxch.$hc, <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
V"Z8-u <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
}DXG;L ......
PJcfiRa'jQ <^\rv42'(2 最好将你的aspnetmenu升级到1.2版
{nbT$3=Zt qa-FLUkIk! 21.读取DataGrid控件TextBox值
=C2sl;7~* foreach(DataGrid dgi in yourDataGrid.Items)
s(nT7x+W {
*X(:vET TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
Z(7kwhP[` tb.Text....
=KUmvV*\ }
a3>/B$pE #D4 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?
{BmqUoZrC G.H8
><% 〖思归〗
{g!7K <asp:TemplateColumn HeaderText="数量">
_Z Sp$>)/ <ItemTemplate>
Bl*}*S PU <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
~%8P0AP onkeyup="javascript:DoCal()"
%\v8FCb />
aknIrblS\ &yvvea] <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
F)(^c </ItemTemplate>
!JDr58 </asp:TemplateColumn>
;U|(rM; $uZmIu9Bi+ <asp:TemplateColumn HeaderText="单价">
`R$i|,9) <ItemTemplate>
Vw1>d+<~-) <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
w.-x2Zg}, onkeyup="javascript:DoCal()"
_"ciHYHBQ />
cvaG[NF l[Z o,4* <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
uhh7Ft#H Y>8Qj+d </ItemTemplate>
V9,<> </asp:TemplateColumn>
8i154#l+\ dMH_:jb <asp:TemplateColumn HeaderText="金额">
GLn=*Dh# <ItemTemplate>
SHX`/ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
~= *o </ItemTemplate>
3uocAmY </asp:TemplateColumn><script language="javascript">
`*3A7y function DoCal()
z_!IA
] v {
?
`p/jA var e = event.srcElement;
o{G*7V@H var row = e.parentNode.parentNode;
A$=ny6 var txts = row.all.tags("INPUT");
M
bWby' if (!txts.length || txts.length < 3)
=I`S7oF return;
=mO5~~"W+v J,
-.5 var q = txts[txts.length-3].value;
c,xdkiy3 var p = txts[txts.length-2].value;
{^z73Gxt, 8YFG*HSa if (isNaN(q) || isNaN(p))
o]q~sJVk6 return;
u]Ku96!
6sBt6?_T q = parseInt(q);
m ol,iM*l p = parseFloat(p);
Gr\ ]6 A?H#bRAs txts[txts.length-1].value = (q * p).toFixed(2);
Hu"$)V }
Hz.i $L0} </script>
t1Fqq4wRi xoKK{&J Byc;r-Q5V c!ZZMCs k( :Bl 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。
6G2~'zqPc~ page_load
<D/K[mz- page.smartNavigation=true
^OKm ( f~NS{gL* 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 ?
J8emz8J private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
N1Vj;- {
A0<g8pv for(int i=0;i<e.Item.Cells.Count-1;i++)
$@L;j if(e.Item.ItemType==ListItemType.EditType)
e,JBz~CK*w {
l+9RPJD/: e.Item.Cells.Attributes.Add("Width", "80px")
DyN[Yp|V }
X"!j_*&ED }
#<xFO^TB Ddr.6`VJ 26.对话框
gAD f9x"b private static string ScriptBegin = "<script language=\"JavaScript\">";
|*NLWN.ja) private static string ScriptEnd = "</script>";
|dgiW"tUm F9
r5 Z public static void ConfirmMessageBox(string PageTarget,string Content)
MJ JC6: {
[P
&B string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
<[k3x8H' dPEDsG0$a ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
5p#0K@`n/ ESCN/ocV Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
Mt4 ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
;j26(dH //Response.Write(strScript);
s9ix&m }
nK;d\DO ni/s/^ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
7Mh'x:p G<?RH"RZr 1.1 取当前年月日时分秒
Qn$'bK2V currentTime=System.DateTime.Now;
\6wltTW]# @rYZ0`E9 1.2 取当前年
+j 9+~ int 年= DateTime.Now.Year;
N|yA]dg[ VeWh9:"bJ 1.3 取当前月
=FzmifTc int 月= DateTime.Now.Month;
8xLQ"
l+" *|y'%y 1.4 取当前日
ww{k_'RRJ int 日= DateTime.Now.Day;
z:-{Y2F GJB+]b- 1.5 取当前时
u&l;\w int 时= DateTime.Now.Hour;
gX{j$]^6G8 Q#% LIkeq 1.6 取当前分
SSI> +A int 分= DateTime.Now.Minute;
<.ZIhDiEl }rJqMZ]w 1.7 取当前秒
6|EOB~| int 秒= DateTime.Now.Second;
i3)3.WK^ jwk+&S 1.8 取当前毫秒
.4a|^ vT int 毫秒= DateTime.Now.Millisecond;
jA,y.(mR m~+.vk 28.自定义分页代码:
r ~{nlLO} "q?(rx; 先定义变量 :
"o--MBq4 public static int pageCount; //总页面数
(f&V 7n public static int curPageIndex=1; //当前页面
+PYV-@q /(~
HHN nh 下一页:
Nf4@m|# if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
791v>h {
Q,.dIPla DataGrid1.CurrentPageIndex += 1;
@wXYza0|d curPageIndex+=1;
vE[d& b[ }
vu.ug$T Aa9l-:R bind(); // DataGrid1数据绑定函数
| d*<4-: $(62j0mS> 上一页:
@{IX
do if(DataGrid1.CurrentPageIndex >0)
<2(X?,N5BD {
(hwzA
*(c DataGrid1.CurrentPageIndex += 1;
@>z.chM; curPageIndex-=1;
1jx?zvE, }
OFohyy( $~8gh>`] bind(); // DataGrid1数据绑定函数
CZzt=9 dU-:#QV6 直接页面跳转:
QHv]7&^rlj int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
qg j;E=7 Z%?>H iy'o if(a<DataGrid1.PageCount)
GNW$:=0u {
y0 vo-Q this.DataGrid1.CurrentPageIndex=a;
|~76dxU }
I_B%F#X) IYe[IHny1 bind();
&DQ_qOKD [p4([ef
' 29.DataGrid使用:
rv{ Wti[ s {*rBX8N 添加删除确认:
-n@,r%`UK private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{v!w2p@ {
=&g:dX|q8 foreach(DataGridItem di in this.DataGrid1.Items)
@[D5{v)S {
C,ldi"| if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
qi@Nz=t#HJ {
]#N8e?b, ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
<e Y2}Ml }
~I")-2"B }
h/5V~ :) }
ZXhNn< vmxS^_I 样式交替:
^E,
#}cW ListItemType itemType = e.Item.ItemType;
l )r^|9{ ~&,S xQT if (itemType == ListItemType.Item )
m!INbIh {
h9d*N 9!;M e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Urw =a$ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
#+i5'p(4 }
MNh:NFCRA else if( itemType == ListItemType.AlternatingItem)
?z.
Z_A& {
Z{u]qI{l e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
`m V(: e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
&OvA[<qT }
W<#Kam:8e 9a:(ab' 添加一个编号列:
eLH=PDdO DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
5> 81Vhc, DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
Z%sTj6Th nF-l4 = for(int i=0;i<dt.Rows.Count;i++)
0}Kyj"-3 {
Nt
tu)wr dt.Rows["number"]=(i+1).ToString();
shLMj)7! }
7iy 2V;} ga'G)d3oS DataGrid1.DataSource=dt;
[$6YPM>Ee DataGrid1.DataBind();
;Gp9
? 0 }w=|"a|, DataGrid1中添加一个CheckBox,页面中添加一个全选框
a'q&[08 private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
{h|kx/4{m {
CT\rx>[J.6 foreach(DataGridItem thisitem in DataGrid1.Items)
>z3l@ {
nr>Yj?la ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
0#5&* }
^Ux.s Q }
{Zs
EYUP njNqUo> 将当前页面中DataGrid1显示的数据全部删除
ra
,.vJuT foreach(DataGridItem thisitem in DataGrid1.Items)
CTqhXk[ {
&G-dxET] if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
$;";i:H` {
^c}kVQ\g3 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
>YdLB@ Del (strloginid); //删除函数
[pt U} }
2L.6!THG }
y`z?lmV)xM X~*/ ~f 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)
Dl?:Mh #T>pu/EQX_ 在Application_Start中添加以下代码:
kB?Uw#
Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
ZKS]BbMZa AppSettings["ConnStr"].ToString();
WK#c* rsij ),,0T/69+9 31. 变量.ToString()
dF&@q, >2'A~?% 字符型转换 转为字符串
A/ Sj>Y1j 12345.ToString("n"); //生成 12,345.00
&[|Z2} 12345.ToString("C"); //生成 ¥12,345.00
1Fsa}UK 12345.ToString("e"); //生成 1.234500e+004
H.Z<T{y;
12345.ToString("f4"); //生成 12345.0000
ErQGVE;zk 12345.ToString("x"); //生成 3039 (16进制)
u7&5t 12345.ToString("p"); //生成 1,234,500.00%
7 /"Z/^ z2A,*|I 32、变量.Substring(参数1,参数2);
9+Wf*:*EW Ln4Dq[M 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);
kK&AK2 ey:%Zy
[~ 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)
zq$0 ?vGd <SCRIPT language="javascript">
bdBLfWe <!--
;e2D} function gook(pws)
.8|"@ {
qP9`p4c8i frm.submit();
b$/7rVH! }
y?iW^>|?L= //-->
!@h)3f]`1G MbQ%'z6D </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
(AG((eV <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
&jrc] <tr>
7a4Z~r27/ <td>
8qUNh# <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
t#!AfTY$w <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
LmKY$~5P <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
2H1?f|0> `Gg,oCQg <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
5p7i9"tgn <INPUT id="tem" type="hidden" size="1" value="2" name="tem">
UD&pL'{s ]~pM;6Pu0 </td>
5IRUG)Icr DnCIfda2g </tr>
;|,*zD !W b Q9o </form>
6anH#=( y=}o|/5" 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。
WuQ;Da0+_F |QyZ:`0u 下面是获取用户输入的登陆信息的代码:
h.xtkD)Y~ string name;
cf\GC2+"^$ name=Request.QueryString["EmailName"];
-^>7\]
_!yUr5&,Br try
U_wIx {
rwpH9\GE int a=name.IndexOf("@",0,name.Length);
wk2Ff*& f_user.Value=name.Substring(0,a);
%y+v0.aWH+ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
P(p|NRD@1 f_pass.Value=Request.QueryString["Psw"];
Nm#[ A4 }
Tog'3k9Uw ka$la;e3 catch
H96|{q= {
Jb|dpu/e Script.Alert("错误的邮箱!");
k7nke^,| Server.Transfer("index.aspx");
dFk$rr>q }