1. 打开新的窗口并传送参数:
7ivo Q H9)n<r 传送参数:
,5v'hG response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
=xm7i#1 IWu=z!mO 接收参数:
q string a = Request.QueryString("id");
'(@q"`n string b = Request.QueryString("id1");
ZwBz\jmbP I`{*QU 2.为按钮添加对话框
K bLSK Button1.Attributes.Add("onclick","return confirm(’确认?’)");
$h
pUI button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
%CHw+wT& Cd)g8< 3.删除表格选定记录
0 YFXF int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
3[u-
LYW string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
lo>9 \ Po -$<oY88 4.删除表格记录警告
)nO ^Ay private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
b_RO%L:"yL {
`B@eeXa;u switch(e.Item.ItemType)
5NZuaN {
Jm<NDE~rw case ListItemType.Item :
qm!cv;}c1 case ListItemType.AlternatingItem :
Lbrl CB+ case ListItemType.EditItem:
7he,(V TableCell myTableCell;
^nNY|
* myTableCell = e.Item.Cells[14];
]]K?Q
)9x LinkButton myDeleteButton ;
x9>$197 myDeleteButton = (LinkButton)myTableCell.Controls[0];
|K1S(m<F myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
3XlQ 4 break;
fE~KWLm default:
Gw3+TvwU+Q break;
QIMd`c }
6:G&x<{ GKIzU^f }
n7bVL#Sq[ 9JP:wE~y 5.点击表格行链接另一页
>
f X^NX private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
Gt#r$.]W?o {
'Hx#DhiFz //点击表格打开
Q,5PscE6&k if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
_C5i\Y) e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
\)/qCeiZ }
:4V5p
=v- 9<?w9D.1 双击表格连接到另一页
<&b,%O G,!j P2S 在itemDataBind事件中
^ slIR!L if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
LSc^3=X {
8_!qoW@B string OrderItemID =e.item.cells[1].Text;
Y^Buz<OiG ...
&*OwoTgk+ e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
: ir#7/ }
%U{sn\V 5
NYS@76o7 双击表格打开新一页
C{/U;Ie-b if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
P1[.[q/-e {
*,G<X^ string OrderItemID =e.item.cells[1].Text;
2x<BU3 ...
fQib?g/G e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
M
_<
|n }
n R, QG8 Z0Sqw ★特别注意:【?id=】 处不能为 【?id =】
Z~Q5<A9Jz 6.表格超连接列传递参数
2?%*UxcO <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
.\oW@2,RA9 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
V]--d33/a \2 DED 7.表格点击改变颜色
Ne+Rs+~4 if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
\m|5Aqs {
vxPE=!| e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
?VotIruR this.style.color=’buttontext’;this.style.cursor=’default’;");
/E<Q_/'Z }
9e`};DE aQ(P#n>a2 写在DataGrid的_ItemDataBound里
d3rjj4N"z if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
aU;X&g+_) {
_UTN4z2aTG e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
dHx4yFS this.style.color=’buttontext’;this.style.cursor=’default’;");
[xM&Jdf8 e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
,M`1 k }
#9(+)~irz` {D8opepO) +ZjDTTk 8.关于日期格式
25Z}.)) W]Xwt'ABz 日期格式设定
%R4 \[e DataFormatString="{0:yyyy-MM-dd}"
DtBvfYO8)> ).jQ+XE'> 我觉得应该在itembound事件中
!:\0}w$- e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
4Mg%}/cC $)*qoV 9.获取错误信息并到指定页面
A v>v\ :.> %G(VYCeK 不要使用Response.Redirect,而应该使用Server.Transfer
uSXnf [O\)R[J e.g
iuWUr?`\ // in global.asax
b&yuy protected void Application_Error(Object sender, EventArgs e) {
0Md.3kY if (Server.GetLastError() is HttpUnhandledException)
%m6qL Server.Transfer("MyErrorPage.aspx");
'~
B2[ vWmt<E|e //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
K@n-# }
m#W XZr ep3VJ"^ 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
Yz2N(g[ =A,T:!}' 10.清空Cookie
L=;T$4+p Cookie.Expires=[DateTime];
FUSe!f Response.Cookies("UserName").Expires = 0
nL^7t7mp ?;Sg,.J 11.自定义异常处理
XS2/U<sd //自定义异常处理类
x$jLB&+ICz using System;
pWE(?d_M{G using System.Diagnostics;
uG'S&8i_ h(@.bt# namespace MyAppException
mN{H^ {
zfDfy!\2_ /// <summary>
L:_{bE|TY /// 从系统异常类ApplicationException继承的应用程序异常处理类。
yq x!{8=V /// 自动将异常内容记录到Windows NT/2000的应用程序日志
en|~`]HF /// </summary>
O D5qPovsd public class AppException:System.ApplicationException
zK~_e\m {
!lg_zAV public AppException()
e%:vLE
9 {
Heqr1btK if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
PSAEW.L }
.I|b9$V Rmn|!C%%K public AppException(string message)
y)|d`qC\ {
/kr|}`#
Z LogEvent(message);
Z/ml,4e }
u)EtEl7Wq jHT^I
as public AppException(string message,Exception innerException)
_t]Q*i0p {
z{BgAI, LogEvent(message);
GNHXtu6 if (innerException != null)
v"
#8^q {
Edc3YSg%; LogEvent(innerException.Message);
7?g({] }
IN6L2/Q }
]4c*Nh%8 "MzBy)4Q //日志记录类
Jon3ywd1Y using System;
EpACd8Fb using System.Configuration;
$[HCetaqV using System.Diagnostics;
w$s6NBF7 using System.IO;
gZ>&cju using System.Text;
9`qw,X&AK_ using System.Threading;
WllQM,h p:tp|/ namespace MyEventLog
'Kmf6iK>[ {
{pXX%> /// <summary>
cfBlHeYE /// 事件日志记录类,提供事件日志记录支持
%t* 9sh /// <remarks>
JI-.SR /// 定义了4个日志记录方法 (error, warning, info, trace)
AWFq5YMSI /// </remarks>
I^LU*A= /// </summary>
V`/c#y|| public class ApplicationLog
|R91|-H {
!}mM"|< /// <summary>
&<&eKq /// 将错误信息记录到Win2000/NT事件日志中
.+8#&Uy /// <param name="message">需要记录的文本信息</param>
^Q0=Ggh /// </summary>
`:ZaT('h public static void WriteError(String message)
mV}8s]29 {
;x_T*} CH WriteLog(TraceLevel.Error, message);
t#f-3zd9 }
w"kBAi& X/%!p<}:' /// <summary>
9^sz,auB /// 将警告信息记录到Win2000/NT事件日志中
/3Y"F"`M. /// <param name="message">需要记录的文本信息</param>
g]MgT-C| /// </summary>
| LZ+_ public static void WriteWarning(String message)
G a$2o6 {
@~=d4Wj6 WriteLog(TraceLevel.Warning, message);
LkF*$ }
8rBa}v9 &-IkM%_A9 /// <summary>
S_AN.8T /// 将提示信息记录到Win2000/NT事件日志中
rx#GrV*y /// <param name="message">需要记录的文本信息</param>
phA{jJy? /// </summary>
OS(Ua public static void WriteInfo(String message)
aY,'^S {
@GweNo`p7 WriteLog(TraceLevel.Info, message);
hE\gXb }
>;M STHeW /// <summary>
bjwl21;{ /// 将跟踪信息记录到Win2000/NT事件日志中
]~3a ~
/// <param name="message">需要记录的文本信息</param>
;&w_.j*Is /// </summary>
/viBJ`-O public static void WriteTrace(String message)
hG<W*g {
R4[|f0l}s WriteLog(TraceLevel.Verbose, message);
#8v l2qWbi }
^=-W8aVi> #="Lr4T /// <summary>
>Wd=+$!I /// 格式化记录到事件日志的文本信息格式
*g'%5i1ed /// <param name="ex">需要格式化的异常对象</param>
oO
&%&;[/A /// <param name="catchInfo">异常信息标题字符串.</param>
%t.\J:WN; /// <retvalue>
e9k$5ps /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
S}/ZHo /// </retvalue>
Y)S
f; /// </summary>
~2Mcw`< public static String FormatException(Exception ex, String catchInfo)
?ODBW/{[G {
M@. 2b. StringBuilder strBuilder = new StringBuilder();
hR[_1vuIu if (catchInfo != String.Empty)
ey>tUmt6? {
L?(1
[jB4G strBuilder.Append(catchInfo).Append("\r\n");
T-oUcuQB }
|BbrB[+ v[ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
h!Fh@% return strBuilder.ToString();
Rh@UxNy\, }
8"wavh|g4 rUB67ok* /// <summary>
l@<Jp *| /// 实际事件日志写入方法
;,KT+!H$ /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
4kNSF /// <param name="messageText">要记录的文本.</param>
^!(tc=sr /// </summary>
Q;z'"P private static void WriteLog(TraceLevel level, String messageText)
)Y1+F,C {
,I f9w$(z try
W\ARCcTQ {
))6iVgSE$ EventLogEntryType LogEntryType;
eg"!.ol switch (level)
J<iiA:&J {
gyMy;}a case TraceLevel.Error:
i~DLo3 LogEntryType = EventLogEntryType.Error;
Ao9=TC'v$' break;
riglEA[^ case TraceLevel.Warning:
bwjLMWEVq LogEntryType = EventLogEntryType.Warning;
t/x]vCP,2D break;
Zq/=uB7Z case TraceLevel.Info:
`g}en%5b\ LogEntryType = EventLogEntryType.Information;
>6zWOYd break;
^S(["6OJ( case TraceLevel.Verbose:
C !Lu`y LogEntryType = EventLogEntryType.SuccessAudit;
w^ 8^0i- break;
f1Gyl default:
gEq";B%? LogEntryType = EventLogEntryType.SuccessAudit;
l2
#^}- break;
h4>q~&Pd }
Y-"7R>^I q+67Wc= EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
g.Kyfs4` //写入事件日志
!xC IvKW eventLog.WriteEntry(messageText, LogEntryType);
9aKCO4 _ba.oIc }
4':U rJ+ catch {} //忽略任何异常
EhIa31>X }
WWIQ6EJO } //class ApplicationLog
.Dyxul }
*ur [u*g Zdu8axK: 12.Panel 横向滚动,纵向自动扩展
Bnd Y\ <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
yuZhak AcY! 13.回车转换成Tab
KSl@V>!_ <script language="javascript" for="document" event="onkeydown">
yuB\Z/ if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
8&y3oxA, event.keyCode=9;
p@=B\A] </script>
=/^{Pn FPuF1@K onkeydown="if(event.keyCode==13) event.keyCode=9"
j2!^iGS} z]Mu8 14.DataGrid超级连接列
EDGAaN*Q DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
&G!2T!xx ].*I Z 15.DataGrid行随鼠标变色
9Or private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
^: V6= {
(qy82F-|2 if (e.Item.ItemType!=ListItemType.Header)
x4S0C[k {
l`<u\], e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
0o&c8?@j e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
- z"D_5 }
l*4_
}
CEb al\R @I0[B<,:G 16.模板列
[yfi:|n1 <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
qRA,-N <ITEMTEMPLATE>
xcu:'7'K[ <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
0VlB7oF </ITEMTEMPLATE>
y{uN+QS </ASP:TEMPLATECOLUMN>
vEb_z[gd \_zp4Xb2 <ASP:TEMPLATECOLUMN headertext="选中">
! ^U!T\qDi <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
]g0\3A <ITEMTEMPLATE>
\bWo"Yo <ASP:CHECKBOX id="chkExport" runat="server" />
}^3ICwzm </ITEMTEMPLATE>
MF~Tr0tOC <EDITITEMTEMPLATE>
dpcFS0 <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
0RGSv!w </EDITITEMTEMPLATE>
P}C;%KzA </ASP:TEMPLATECOLUMN>
`Ot;KDz ]^@!ID$c 后台代码
yBxWBW*e protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
nQ^<h. {
_,9/g^< //改变列的选定,实现全选或全不选。
6`hHx=L CheckBox chkExport ;
o;Ma)/P if( CheckAll.Checked)
srfM"Lb' {
3eS
*U`_ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
#1` lJ {
ob;$yn7ZO1 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
6(.]TEu0 chkExport.Checked = true;
\ HZ]=B#0 }
Rd{#cW~ }
j; )-K 3Ia else
=WP`i29j9} {
vL:tuEE3 foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
Hb{G
RG70 {
4XL]~3 c chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
MfNguh chkExport.Checked = false;
"~zQN(sR"P }
bMpCQ }
J+6bp0RIh }
/6@Wm?`DB H-aSLc 17.数字格式化
WAt | J2 /5c;,.hm1R 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
]f"l4ay@M <%#Container.DataItem("price","{0:¥#,##0.00}")%>
x_TtS| ,k5b,}tN int i=123456;
\%D/]"@r string s=i.ToString("###,###.00");
%.*?i9} !@[@xdV 18.日期格式化
w-.=u3 4TW>BA 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
AmmUoS\ g` QbJ61a 显示为: 2004-8-11 19:44:28
]ZOzqh_0C `CXAE0Fx 我只想要:2004-8-11 】
j4G?=oDb <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
;^j2>Azn qhiO( !jK 应该如何改?
OAiip, g0BJj= 【格式化日期】
s&7,gWy}BE }6V` U9^g 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
!(EJ. |LH gqf*;Z eU 【日期的验证表达式】
-K K)}I` s!d"(K9E A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
KvrcO#-sL ^((\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})))?$
i;
3^vhbQ aN5 w B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
;w_f ^R # ^\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]))$
}.UE<>OX &_EjP
hZ 【大小写转换】
@Gj|X>0 HttpUtility.HtmlEncode(string);
s2-p-n HttpUtility.HtmlDecode(string)
do:3aP'S, 62X;gb 19.如何设定全局变量
ag$mc8-p[ xN +j]LC Global.asax中
dm&vLQVS 7]~65@%R-& Application_Start()事件中
)"IBw0] pv2u.qg5z 添加Application[属性名] = xxx;
mGmkeD' XY;cz 就是你的全局变量
?4U|6|1 j<LDJi>O 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
~fE6g3 Zw[A1!T, HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
;{e ;6Hq 9(>l trA 【ASPNETMENU】点击菜单项弹出新窗口
S"Dw8_y7} cb k|LQ.O 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
?
D?XaRb <?xml version="1.0" encoding="GB2312"?>
De>' <MenuData ImagesBaseURL="images/">
p -=+i
<MenuGroup>
Cku&s <MenuItem Label="内参信息" URL="Infomation.aspx" >
q>T7};5m2 <MenuGroup ID="BBC">
8yH* <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
oD]riA>jC <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
]KS|r+ ......
i$Q$y
hT{ 2U-F}Z 最好将你的aspnetmenu升级到1.2版
Qifjv0&;u G6N$^HkW? 21.读取DataGrid控件TextBox值
,h'q}5 foreach(DataGrid dgi in yourDataGrid.Items)
qd9CKd {
mE"?{~XVL TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
(YbRYu tb.Text....
S[bFS7[ }
j#TtY|Po +K3SAGm 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?
/=zzym~<> pm-SDp>s 〖思归〗
tkFGGc}w\ <asp:TemplateColumn HeaderText="数量">
wsyG~^> <ItemTemplate>
6[<*C? <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
l%?D%'afN onkeyup="javascript:DoCal()"
==[a7|q />
$ePBw~yu (Z
YGfX <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
*;~*S4/P </ItemTemplate>
/ ;U </asp:TemplateColumn>
B*+3A!{s idLysxN <asp:TemplateColumn HeaderText="单价">
QeYO)sc` <ItemTemplate>
HCh;Xi <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
XCNfogl onkeyup="javascript:DoCal()"
AZ7 />
Nj2f?',;U o5(p&:1M <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
Y!VYD_'P %E95R8SL </ItemTemplate>
g7*ii
X </asp:TemplateColumn>
l^s\^b=W qHGXs@*M& <asp:TemplateColumn HeaderText="金额">
y`?{2#1H <ItemTemplate>
Im;8Abf <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
8KioL{h </ItemTemplate>
'1lr "}"Q+ </asp:TemplateColumn><script language="javascript">
fX,L;Se" function DoCal()
6B)3SC {
}E 5oa\1u var e = event.srcElement;
2 0Xqs, var row = e.parentNode.parentNode;
h*_h M1 *; var txts = row.all.tags("INPUT");
"5]Fl8c?
if (!txts.length || txts.length < 3)
_`>F>aP return;
D}SYv})Ti EK^B=)q6:W var q = txts[txts.length-3].value;
;- D1n var p = txts[txts.length-2].value;
bwjjwu& 3@ a if (isNaN(q) || isNaN(p))
/P~@__XN return;
WxE4r yJx{6 q = parseInt(q);
KgtMrT5<q p = parseFloat(p);
stDrF1{ fUh7PF% txts[txts.length-1].value = (q * p).toFixed(2);
D"WqJcDt }
,?"cKdiZ </script>
pKf]&?FX |kwBb>V 5c btMNP $EjM)
4J=6A4O5Z 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
PiD%PBmUl page_load
HH>"J/;c, page.smartNavigation=true
cTO\Vhg 8Wn;U!qT 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
,6,sz]3- private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
3/P#2&jt {
z~TG~_s for(int i=0;i<e.Item.Cells.Count-1;i++)
KdT1Nb= if(e.Item.ItemType==ListItemType.EditType)
9o<}*L {
sd;J(<Ofh e.Item.Cells.Attributes.Add("Width", "80px")
&Q>)3] |p }
GY@-}p~it }
;b=3iT-2" 8}/v[8p 26.对话框
E5d?toZ,8" private static string ScriptBegin = "<script language=\"JavaScript\">";
*u$MqN private static string ScriptEnd = "</script>";
" gB. !`8WNY?K public static void ConfirmMessageBox(string PageTarget,string Content)
#}50oWE {
K1rF;7Y6 string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
;=IC.<Q<} $d1+ d;Mn ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
=VMV^[&> <eU28M?\ Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
FNpMu3Q ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
+@]b}W //Response.Write(strScript);
t:tT Zh }
=%,;=4w ITj0u&H: 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
c[:OK9TH SG1o<#> 1.1 取当前年月日时分秒
`8Y& KVhu currentTime=System.DateTime.Now;
+*2wGAT o9)pOwk7; 1.2 取当前年
Y>KRI2](< int 年= DateTime.Now.Year;
]C|Zs=5 ng]jpdeA 1.3 取当前月
MWv_BXQ int 月= DateTime.Now.Month;
s#,~Zb= wB6ILTu1 1.4 取当前日
ViV"+b#gu int 日= DateTime.Now.Day;
}."3&u't fsU6o4 1.5 取当前时
Kq}/`P int 时= DateTime.Now.Hour;
[6@{^ S<"M5e 1.6 取当前分
Ha l,%W~e int 分= DateTime.Now.Minute;
mQmn &:R !8q+W`{ 1.7 取当前秒
)clSW int 秒= DateTime.Now.Second;
;[%_sVIy RZm}%6##ZC 1.8 取当前毫秒
# Ny
int 毫秒= DateTime.Now.Millisecond;
>
Y
<in/
`ReTfz;o 28.自定义分页代码:
QJc3@ ~b+TkPU 先定义变量 :
Qq;` 9-&j public static int pageCount; //总页面数
8'Dp3x^W> public static int curPageIndex=1; //当前页面
lWS@<j ^6!C":f 下一页:
laX(?{_ if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
NG-Wn+W@b {
fY@Y$S`Fh DataGrid1.CurrentPageIndex += 1;
yjZ]_. curPageIndex+=1;
p<1z!`!P }
_@CY_`a ;Ee!vqD2 bind(); // DataGrid1数据绑定函数
u.(
WW(/N QFOmnbJg 上一页:
5mB%Xh;bg if(DataGrid1.CurrentPageIndex >0)
]>fAV(ix {
YUo{e=m| DataGrid1.CurrentPageIndex += 1;
7a_pO1MBL curPageIndex-=1;
|;2Y|>= }
$mvcqn; ]]lgCac_U9 bind(); // DataGrid1数据绑定函数
(4_7ICFI Rk2V[R.`S 直接页面跳转:
|FZ)5 int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
74YMFI =a>a A Z if(a<DataGrid1.PageCount)
QjH;'OVt {
'N$hbl this.DataGrid1.CurrentPageIndex=a;
o -tc}Aa }
^UP!y!&N ,L#Qy>MOb bind();
[Nb0&:$ay `n%uvo}UT 29.DataGrid使用:
s(56aE tydD~a 添加删除确认:
GOJ*>GpS private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
cU8Rm\? {
}X{#=*$GQ foreach(DataGridItem di in this.DataGrid1.Items)
HRkO.230
{
^)ouL25Z*2 if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
7Q,9j. {
<V?M~u[7f ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
2N_8ahc }
=}N&c4I[j }
Gt4| ] }
{~.~ b+v "&jA
CI 样式交替:
)%rGD
=2~ ListItemType itemType = e.Item.ItemType;
X|+ o4R? z@\C/wX if (itemType == ListItemType.Item )
&$yC+cf {
n4Fh*d ixg e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
8A/;a{ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
s%h|>l[lKT }
0r?975@A else if( itemType == ListItemType.AlternatingItem)
Oo'IeXQ9( {
Y<('G5A e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
6<sd6SM e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
tins.D }
W- Q:G=S- #m_3ls}W$ 添加一个编号列:
_t<D~ DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
N
]/N}b DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
q$)$?" +We_[Re`< for(int i=0;i<dt.Rows.Count;i++)
0TA{E-A {
DBDHe-1[+ dt.Rows["number"]=(i+1).ToString();
&YQ }
}{>)2S +_Nr a DataGrid1.DataSource=dt;
,ra!O=d~0 DataGrid1.DataBind();
Sa5+_TW -dXlGOD+C DataGrid1中添加一个CheckBox,页面中添加一个全选框
? b;_T,S[ private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
(_S`9Z8= {
x]
[/9e foreach(DataGridItem thisitem in DataGrid1.Items)
u6o:~=WwM {
RlH|G ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
*?|LE
C }
EBjSK/ }
MB]8iy8 @Qw~z0PE<l 将当前页面中DataGrid1显示的数据全部删除
v ~|~&Dwq foreach(DataGridItem thisitem in DataGrid1.Items)
|l\&4/SJ {
nY(>|! if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
wQR>S>p {
}SL&Y `Y] string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
rQ~7BlE Del (strloginid); //删除函数
9>gxJ7pY }
r{y&}gA }
qYD$_a }Ruj h4* 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)
z~[:@mGl 4 .7YIM 在Application_Start中添加以下代码:
npsDy&