1. 打开新的窗口并传送参数:
%#,BvQz~ P7b2I=t 传送参数:
,l6W|p?ZO^ response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
XHr{\/4V d:D2[ 接收参数:
(`xc3-, string a = Request.QueryString("id");
]^y}}y string b = Request.QueryString("id1");
TI332,eL IjNm/${$ 2.为按钮添加对话框
A SSoKrFL Button1.Attributes.Add("onclick","return confirm(’确认?’)");
zP9!fA button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
1 .M?Hp9i |Xag:hof 3.删除表格选定记录
g:Dg?_o int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
I9E@2[=! string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
/y 0 )r.R B:4u2/!5 4.删除表格记录警告
89paR[ private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
gJ])A7O {
0\+Qi?& switch(e.Item.ItemType)
K +~ {
181P;R=}< case ListItemType.Item :
"#7i-?= case ListItemType.AlternatingItem :
o$-Phl case ListItemType.EditItem:
GYYro&aq{ TableCell myTableCell;
7,1idY%cy myTableCell = e.Item.Cells[14];
/Yh8r1^2tZ LinkButton myDeleteButton ;
Q-"FmD-Yw myDeleteButton = (LinkButton)myTableCell.Controls[0];
H)S3/%.| myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
lcr=^ break;
L,WKL. default:
rLwc=(| break;
0^m02\Li }
1$^{Uma C?O{l%0 }
"\9@gfsp) en 5.点击表格行链接另一页
qSQjAo4t@ private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
`drvu?F {
-l\@50,D //点击表格打开
/eI38>v if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
={fi&j e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
Cxh9rUe. }
=3"Nn4Z $d"6y 双击表格连接到另一页
TC2aD&cw{ l- X|3 , 在itemDataBind事件中
3] !(^N>V if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
\z_@.Jw{ {
65AOFH string OrderItemID =e.item.cells[1].Text;
J^v_VZ3 ...
-B_dE-l, e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
{*|yU" }
`jV0;sPd; :>,d$f^tqE 双击表格打开新一页
6wF?FtT if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
os2yiF", {
K9*K4'#R string OrderItemID =e.item.cells[1].Text;
lu >>~vy6 ...
HP7Ec e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
D^A_ 0@ }
P`"dj@1' 5'o.v^l ★特别注意:【?id=】 处不能为 【?id =】
"u%$`* 6.表格超连接列传递参数
GJ*AyYG <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
A.y$.( <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
vOqYt42
6s Pd")%G 7.表格点击改变颜色
-F*j` if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
)N}xKw | {
vj#gY2qZ e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
Me8d o;
G| this.style.color=’buttontext’;this.style.cursor=’default’;");
r}vrE
^Q }
ue`F| *kDXx&7B$ 写在DataGrid的_ItemDataBound里
[0 W^|=#K if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
9/nL3 U@i1 {
xUG|@xIwc e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
\>\w-ty[( this.style.color=’buttontext’;this.style.cursor=’default’;");
UP,(zKTA e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
[*1c.&%( }
9J>DLvl; g'mkhF( HVC\(h,)i 8.关于日期格式
Jb0]!*tV ?"L>jr( 日期格式设定
ok7DI DataFormatString="{0:yyyy-MM-dd}"
\+5 L.Q {t9U]hX%A[ 我觉得应该在itembound事件中
FMR0?\jnT e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
oVLz7Y[JE 2)U3/TNe 9.获取错误信息并到指定页面
$+?6U (US8Sc 不要使用Response.Redirect,而应该使用Server.Transfer
wv1?v_4 U_14CLsdG e.g
^tpy8TQ // in global.asax
bjR&bIA: protected void Application_Error(Object sender, EventArgs e) {
& ??)gMM[ if (Server.GetLastError() is HttpUnhandledException)
`pLp+#1
`R Server.Transfer("MyErrorPage.aspx");
|ejrE,~1vb A^g81s.5 //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
>(\[ $ }
S46[2-v1 ysL8w"t 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
H 9&?<j1n PUa~Apj' 10.清空Cookie
4E"qpy \( Cookie.Expires=[DateTime];
^%\p; yhL Response.Cookies("UserName").Expires = 0
J H$ A@`C<O ^ 11.自定义异常处理
+[*UC" //自定义异常处理类
8o~\L=
l using System;
8_KXli}7= using System.Diagnostics;
Jq.26I= Ju:=-5r"' namespace MyAppException
gg6&Fzp {
GF
k?Qf{u /// <summary>
bcOX/ /// 从系统异常类ApplicationException继承的应用程序异常处理类。
y*zZ }> /// 自动将异常内容记录到Windows NT/2000的应用程序日志
r"rEVx#1= /// </summary>
|4dNi1{Zd public class AppException:System.ApplicationException
uV;Z {
<01MXT- public AppException()
I</Nmgf {
B [y1RI|9 if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
hf%W grO. }
p-ry{"XA M?]ObIM:5 public AppException(string message)
HLk/C[`u, {
#+r-$N.7 LogEvent(message);
g|2D(J }
{qj>
\QHM7C T public AppException(string message,Exception innerException)
smk0 *m4 {
bEPXNN LogEvent(message);
a3p|>M6E if (innerException != null)
<Qwi 0$ {
.]8 Jeb LogEvent(innerException.Message);
nar=\cs~g }
r}XD{F}" }
]Y,
7 X Ndx='j0 //日志记录类
v3`J~,V< using System;
>2N`l using System.Configuration;
[rGR1>U?i using System.Diagnostics;
y<B " using System.IO;
oq;}q using System.Text;
J&h 3, using System.Threading;
c*LnLK/m [?;oiEe.| namespace MyEventLog
qB"y'UW8 {
i"_JF-IbN /// <summary>
GY0<\- /// 事件日志记录类,提供事件日志记录支持
r?H {Y3, /// <remarks>
4?8GK /// 定义了4个日志记录方法 (error, warning, info, trace)
A7ck-9dT/L /// </remarks>
60QElJ9D /// </summary>
% #|S public class ApplicationLog
idz6m]{~yT {
BXm{x6\ /// <summary>
Be?mIwc_g /// 将错误信息记录到Win2000/NT事件日志中
,P5HR+h /// <param name="message">需要记录的文本信息</param>
yUBic~S /// </summary>
<sd
Qvlx$- public static void WriteError(String message)
XMuZ'I {
im*XS@Uj WriteLog(TraceLevel.Error, message);
s2&UeYbIs }
arDY@o~ {jr>Z"/q /// <summary>
w)3LY F /// 将警告信息记录到Win2000/NT事件日志中
w=O:|Xu#* /// <param name="message">需要记录的文本信息</param>
n j1 cqh /// </summary>
mnG\UK,k public static void WriteWarning(String message)
RkC?(p {
aiU n
bP WriteLog(TraceLevel.Warning, message);
`\#Qr|GC }
[NC^v.[1[ \5X34'7 /// <summary>
<w08p*? /// 将提示信息记录到Win2000/NT事件日志中
At.WBa3j%{ /// <param name="message">需要记录的文本信息</param>
CYG'W FvZZ /// </summary>
I%pQ2T$; public static void WriteInfo(String message)
?c(f6p?% {
G=\rlH]N WriteLog(TraceLevel.Info, message);
DlTV1X-^1 }
gM_Z/$ /// <summary>
Qb9) 1 /// 将跟踪信息记录到Win2000/NT事件日志中
vzs6YsA /// <param name="message">需要记录的文本信息</param>
)W uuU [( /// </summary>
Z=n& fsE public static void WriteTrace(String message)
/V:%}Z {
KvC:(Vqj WriteLog(TraceLevel.Verbose, message);
%!LrC!6P4 }
]ujH7T 4AUY8Pxp /// <summary>
FL0[V, /// 格式化记录到事件日志的文本信息格式
*}3~8fu{
/// <param name="ex">需要格式化的异常对象</param>
us$~6 /// <param name="catchInfo">异常信息标题字符串.</param>
)FE'#\ /// <retvalue>
<@e6zQG /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
0^tF_."Y /// </retvalue>
k|a{|2p /// </summary>
vPpbm public static String FormatException(Exception ex, String catchInfo)
IRXpk6| {
(z+[4l7 StringBuilder strBuilder = new StringBuilder();
oM QH-\(} if (catchInfo != String.Empty)
Y`\zLX"_m {
IjD:
hR@ strBuilder.Append(catchInfo).Append("\r\n");
[ *R8XXuL }
tz._*n83 strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
CuU"s) return strBuilder.ToString();
^#XxqVdPk }
;I]TM#qGF Hm1C|Qb /// <summary>
d$b{KyUA /// 实际事件日志写入方法
Yb414 K /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
'j>^L /// <param name="messageText">要记录的文本.</param>
90teXxg=| /// </summary>
{/ZB>l@D>8 private static void WriteLog(TraceLevel level, String messageText)
PDM>6U {
69\0$O try
! =I:Uc-Y {
pO=bcs8Z EventLogEntryType LogEntryType;
,tmo6D6 2 switch (level)
<)y'Ot0 y {
z{;W$SO
2 case TraceLevel.Error:
O:pQf/Xn LogEntryType = EventLogEntryType.Error;
nvgo6* break;
Sr%~
5Q[W case TraceLevel.Warning:
Ow+7o@$"/ LogEntryType = EventLogEntryType.Warning;
]X@/0 break;
wf<uG|90 case TraceLevel.Info:
{I`B?6K5 LogEntryType = EventLogEntryType.Information;
ukvz#hdE break;
j^986 case TraceLevel.Verbose:
g)xzy^2e LogEntryType = EventLogEntryType.SuccessAudit;
Y==# yNwM break;
SAly~(r?/ default:
|M0 XLCNd_ LogEntryType = EventLogEntryType.SuccessAudit;
goWD~'\ break;
g`3g#h$ }
p;X[_h <N+l"Re#] EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
>/
HC{.k //写入事件日志
(f
$Y0;v>} eventLog.WriteEntry(messageText, LogEntryType);
E8#y9q j3sUZg|d }
q>!T*BQ catch {} //忽略任何异常
m <aMb }
&A=d7ASN= } //class ApplicationLog
_17c}o#`5w }
|`_TVzA 9S.R%2xw` 12.Panel 横向滚动,纵向自动扩展
kZSe#'R's <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
.oAg
(@^6 &=@R, 13.回车转换成Tab
N~Ax78TX <script language="javascript" for="document" event="onkeydown">
p^\>{ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
H*; J9{ event.keyCode=9;
*!'00fv </script>
SS(jjpe&, 75I*&Wl onkeydown="if(event.keyCode==13) event.keyCode=9"
>3 qy'lm ;cxYX/fJ 14.DataGrid超级连接列
At +on9&= DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
KDg!Y(m{ rQN+x|dKMb 15.DataGrid行随鼠标变色
%+xh private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
lT1*e(I {
I{B8'n{cN if (e.Item.ItemType!=ListItemType.Header)
klv^310 {
Scxf5x- e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
Y2<Z"D` e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
LEHlfB#z`@ }
|I85]'K9a }
q35%t61Lc 0v+5&Jk 16.模板列
5wP(/?sRy <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
2*%0m^#^6 <ITEMTEMPLATE>
:,]%W $f= <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
tul5:}x3 </ITEMTEMPLATE>
- uliND </ASP:TEMPLATECOLUMN>
h`&mW w ]V><gZ <ASP:TEMPLATECOLUMN headertext="选中">
%6kD^K- <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
j%~UU0(J <ITEMTEMPLATE>
6;[iX`LL <ASP:CHECKBOX id="chkExport" runat="server" />
q+|Dm<Ug </ITEMTEMPLATE>
[<8<+lH=P <EDITITEMTEMPLATE>
)k0bP1oGS <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
/HI#8 </EDITITEMTEMPLATE>
SYa!IL-B </ASP:TEMPLATECOLUMN>
2R:['QT _EjS(.e/= 后台代码
/`:5#O protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
O:p~L`o>> {
AkT_ZU> //改变列的选定,实现全选或全不选。
m'z <d CheckBox chkExport ;
+% '0; if( CheckAll.Checked)
[u,B8DX {
RrKs!2sCT foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
u+XZdV {
-%%2Pz0I chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
f<0-'fGJd chkExport.Checked = true;
l$)pCo }
k
NK)mE }
-`f JhQ| else
l.>QO ; {
\HTXl] foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
@i6D&e= {
cnhYrX^ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
5FH#) chkExport.Checked = false;
Q9FY.KUM }
{Qlvj.Xw }
\>:(++g }
k@KX=mG< (fY (- 17.数字格式化
LT:KZ|U9 Wa,[#H 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
_2U1$0xK <%#Container.DataItem("price","{0:¥#,##0.00}")%>
!oM1 V&)-u(s_S/ int i=123456;
WElB,a-RCp string s=i.ToString("###,###.00");
6ZCt xs! UO>p-M 18.日期格式化
t6s#19g
mEhVc! 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
@Je{;1 Ed_A#@V 显示为: 2004-8-11 19:44:28
0&c12W|B<L u=RF6V| 我只想要:2004-8-11 】
/1o~x~g(b <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
;Fp"]z!Qh+ Be0P[v 应该如何改?
)[G5qTO )P\ec 【格式化日期】
RUSBJsMB .* VZY 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
v:s~Y </qXKEu`_ 【日期的验证表达式】
\BUr2] CXvL`d" A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
SP5/K3t-* ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
M(I 2M #pE:!D B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
n uhKM.a{ ^\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]))$
umSbxEZU@ Ol D]*=.cO 【大小写转换】
u=
!?<Q HttpUtility.HtmlEncode(string);
K`PF|=z HttpUtility.HtmlDecode(string)
1r|'n aiZ l*b3Mg
19.如何设定全局变量
f{k2sU*uBE BWfsk/lej Global.asax中
iI&J_Y{1a_ |HhUU1! Application_Start()事件中
hSo\ O .m;a_ 添加Application[属性名] = xxx;
$>]7NT P 7L? ~;;L$ 就是你的全局变量
&37QUdp+p 8L6!CP_! 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
N3 07lGb 3dQV5E. HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
;r"YZs&Xd !1w=_ 【ASPNETMENU】点击菜单项弹出新窗口
SA)}---" v; &-]ka 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
kd9hz-* <?xml version="1.0" encoding="GB2312"?>
Ef:.)!;jy <MenuData ImagesBaseURL="images/">
_;L9&>!p6 <MenuGroup>
rRly0H <MenuItem Label="内参信息" URL="Infomation.aspx" >
7M=`Z{=9 <MenuGroup ID="BBC">
mJ)o-BV <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
.@gv}`> <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
^ejU=0+cN ......
ZGH2 _U|s!60' 最好将你的aspnetmenu升级到1.2版
?8)_, %q`_vtUT 21.读取DataGrid控件TextBox值
Ky|d RbK, foreach(DataGrid dgi in yourDataGrid.Items)
@K3<K( {
[wj&.I{^s TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
a=.A/;|0* tb.Text....
k8Qm +r<p }
AQDT6E: Q]uxZ;}aF 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?
D[-V1K&g TG=) KS 〖思归〗
+DY% Y
`0 <asp:TemplateColumn HeaderText="数量">
>MauuL,.j <ItemTemplate>
2$V]XSe <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
T&H[JQ/h onkeyup="javascript:DoCal()"
*&Np;^~ />
)}0(7z
Yu N2 wBH+3w <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
1(CpTaa </ItemTemplate>
$8kc1Q </asp:TemplateColumn>
U,_uy@fE=? K.Nun)< <asp:TemplateColumn HeaderText="单价">
f R$E*Jd <ItemTemplate>
NuRxk eEO <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
zYvf}L&]h onkeyup="javascript:DoCal()"
wf)T-]e />
Y6~/H D1}Bn2BM$ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
<5%x3e"7u 0
XxU1w8\V </ItemTemplate>
5
?~
?8Hi </asp:TemplateColumn>
rvgArFf}] oKLL~X>!U <asp:TemplateColumn HeaderText="金额">
\dO9nwa? <ItemTemplate>
+&6R(7XC <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
b_ +dNoB </ItemTemplate>
!B5 }`*1D </asp:TemplateColumn><script language="javascript">
:s`~m;Y9? function DoCal()
JKN0:/t7Q {
i0;
p?4`m var e = event.srcElement;
:Q@=;P2 var row = e.parentNode.parentNode;
t}n:!v"|+O var txts = row.all.tags("INPUT");
UIPi<_Xa if (!txts.length || txts.length < 3)
#usi1UWB#Q return;
Y3KKskhLx puEuv6F var q = txts[txts.length-3].value;
@0H}U$l var p = txts[txts.length-2].value;
s
tvI sH(@X<{p if (isNaN(q) || isNaN(p))
fG_.&!P return;
Sqw:U|h\FS AJ1(q:P q = parseInt(q);
VSns_>o p = parseFloat(p);
|+K3\b @Cg%7AF txts[txts.length-1].value = (q * p).toFixed(2);
@AET.qGC }
ElLDSo@WvR </script>
U\dq
Mp#Wy 4&]Sb} <\40?*2 pD;'uEFBQ CEbZj
z| 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。
mNhVLB page_load
*q**,_?; page.smartNavigation=true
_nW{Q-nh H809gm3(Z 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 ?
t6m&+N private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
MtWzGE=? {
$d\]s]}` for(int i=0;i<e.Item.Cells.Count-1;i++)
3jH-!M5 if(e.Item.ItemType==ListItemType.EditType)
6_xPk`m {
.&Tcds e.Item.Cells.Attributes.Add("Width", "80px")
]rk8Jsg }
phk fPvL{ }
#Xdj:T<* oZVq}}R 26.对话框
a@+n private static string ScriptBegin = "<script language=\"JavaScript\">";
fH{ _X private static string ScriptEnd = "</script>";
Y'n+,g =Rv!c+? public static void ConfirmMessageBox(string PageTarget,string Content)
r5#8Vzr {
+q*Cw>t / string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
&?[uY5Mk uUy~$>V ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
z#DgoA C|or2 Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
xcf`i:\ ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
RQg7vv]% //Response.Write(strScript);
e$
pXnMx7 }
v2ab [yFf(>B 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
`?M?WaP ?7?hDw_Nk 1.1 取当前年月日时分秒
yv),>4_6 currentTime=System.DateTime.Now;
TDqH"q0 MTyBGrs( 1.2 取当前年
-(ev68'}W int 年= DateTime.Now.Year;
<4{Jm8zJ CRpMpPi@} 1.3 取当前月
4xYW?s( int 月= DateTime.Now.Month;
Wjf,AjL\ d<,'9/a> 1.4 取当前日
IXA3G7$) int 日= DateTime.Now.Day;
)c;zNs NA`qC.K 1.5 取当前时
z&R
#j int 时= DateTime.Now.Hour;
p]lZ4#3 =eHoJq 1.6 取当前分
Of@LEEh6 int 分= DateTime.Now.Minute;
\7\7i-Vo ()\=(n!J 1.7 取当前秒
q2SlK8`QJ int 秒= DateTime.Now.Second;
f$2DV:wuC 45
\W%8 1.8 取当前毫秒
GE S_|[Q int 毫秒= DateTime.Now.Millisecond;
IGKtugU% He1hgJ)N 28.自定义分页代码:
5w^6bw){ KFuPgp 先定义变量 :
s%Y8;D,~+ public static int pageCount; //总页面数
^J]_O_ee$ public static int curPageIndex=1; //当前页面
p)k5Uh" le*'GgU# 下一页:
hKjG/g:#G if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
V1]QuQ{&s {
Md5|j0#p DataGrid1.CurrentPageIndex += 1;
]iq2_{q curPageIndex+=1;
xj#anr }
EjF2mkA* j=U^+jAn bind(); // DataGrid1数据绑定函数
.Xm?tC< #`5>XfbmQ( 上一页:
JjC&
io if(DataGrid1.CurrentPageIndex >0)
#-<n@qNg[ {
\r5L7y$9 h DataGrid1.CurrentPageIndex += 1;
+N>z|T< curPageIndex-=1;
Ij{ K\{y }
x^XP<R{D
25H=RTw bind(); // DataGrid1数据绑定函数
G)8H9EV t}X+P`Ovq 直接页面跳转:
eelkK,4 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
v~AD7k2{8 G|eJac> if(a<DataGrid1.PageCount)
6$5?%ZLJ {
Ja[7/ this.DataGrid1.CurrentPageIndex=a;
QP~Iz*J' }
~R*01AnZ &^hLFd7j/ bind();
NxGSs_7 %h9'kJzNk 29.DataGrid使用:
.*~t2 : KfkU_0R+~v 添加删除确认:
6BY(Y(z private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Lyy:G9OV {
s*9lYk0 foreach(DataGridItem di in this.DataGrid1.Items)
XbYST%|. {
|Ca
%dg9$@ if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
+]$c+!khj {
qbq.r&F& ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
pzFM# }
557%^)v }
y.,li< }
' &<saqA M}\p/r= 样式交替:
GbfA-\ ListItemType itemType = e.Item.ItemType;
DPBWw[ t+tD if (itemType == ListItemType.Item )
i@o'Fc {
u_'XUJ32! e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
v:zKn[;o e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
3,dIW*<** }
fb_q2p}
G else if( itemType == ListItemType.AlternatingItem)
-40s {
3hPp1wZd e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
w@i;<LY. e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
_M)J{ {?: }
[ n2)6B\/ wCw_aXqq 添加一个编号列:
z *~rd2 DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
LjY@b DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
`^'0__<M aBT8mK -. for(int i=0;i<dt.Rows.Count;i++)
P:k!dRb9{ {
A(T= dt.Rows["number"]=(i+1).ToString();
VX,@Gp_' m }
evro]&N{ ZeE(gtM DataGrid1.DataSource=dt;
ey ?paT DataGrid1.DataBind();
UdK +,k~m/ ?(E?oJ)( DataGrid1中添加一个CheckBox,页面中添加一个全选框
PmlQW!gfBi private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
Po7oo9d {
[WN2ZQ foreach(DataGridItem thisitem in DataGrid1.Items)
6'\VPjt {
sZ%wQqy~k ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
tr$d? }
9YVr9BM'K }
(Z#j^}G_l Ie'iAY 将当前页面中DataGrid1显示的数据全部删除
NzC&ctPk foreach(DataGridItem thisitem in DataGrid1.Items)
'=1@,Skj- {
9ve)+Lk if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
<59G {
qd@Fb* string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
u=&$Z Del (strloginid); //删除函数
~5
e
1& }
6;p"xC- }
M(#]NTr ~4 z]n&,q,5g 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)
tN-B`d1 eGi|S'L' 在Application_Start中添加以下代码:
A1/[3Bz Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
?jHu, AppSettings["ConnStr"].ToString();
X,ok 3c4X LhQidvCNJ 31. 变量.ToString()
_2rxDd1#. Jk,}3Cr/ 字符型转换 转为字符串
DP=\FG"}x 12345.ToString("n"); //生成 12,345.00
2X|nPhNi 12345.ToString("C"); //生成 ¥12,345.00
_v +At;Y 12345.ToString("e"); //生成 1.234500e+004
PLs(+>H 12345.ToString("f4"); //生成 12345.0000
C:{&cIFrPe 12345.ToString("x"); //生成 3039 (16进制)
4<y|SI! 12345.ToString("p"); //生成 1,234,500.00%
?v$1Fc55 z:p9&mi