1. 打开新的窗口并传送参数:
q)AX*T+ A<( DYd1H 传送参数:
dt"& response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
{.y_{yWo H(y Gh 接收参数:
Tb8r+~HK string a = Request.QueryString("id");
ojA !!Ru string b = Request.QueryString("id1");
64>CfU( #5{BxX&\ 2.为按钮添加对话框
MpIiHKQ
G9 Button1.Attributes.Add("onclick","return confirm(’确认?’)");
P|C5k5 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
1083p9Uh ~CdW:t 3.删除表格选定记录
d9%P[(yM^ int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
j9vK~_?; string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
[8 H:5Ho Q7tvpU 4.删除表格记录警告
6GqC]rd*: private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
/{W6]6^ {
TNK1E switch(e.Item.ItemType)
#l7v|)9v {
B<a` o&? case ListItemType.Item :
eg1F[~YL/ case ListItemType.AlternatingItem :
,(f W0d# case ListItemType.EditItem:
Ed2A\S6tl TableCell myTableCell;
uv^x myTableCell = e.Item.Cells[14];
HIC!:| LinkButton myDeleteButton ;
Htln <N myDeleteButton = (LinkButton)myTableCell.Controls[0];
&
Y2xO myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
Bvh{|tP4 break;
1i'y0]f default:
,xAF=t break;
,H^!G\ }
brlbJFZ19 g#cet{> }
evNe6J3 {Qn{w%!| 5.点击表格行链接另一页
LhM$!o?W private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
(mKH,r {
s{j A!T} //点击表格打开
;-;lM6zP if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
Z&P\}mm e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
mVh;=>8K }
BBv+*jj $em'H,*b3 双击表格连接到另一页
)S/=5Uc z0 #2?o 在itemDataBind事件中
,CuWQ'H if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
qPN9Put {
%O<8H7e)V string OrderItemID =e.item.cells[1].Text;
PL3hrI 5 ...
Kpa$1x e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
D!.1R!(Z }
a ~W U%[ye0@: 双击表格打开新一页
'
2O@ if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
nAAv42j[ {
e?*Teb?R string OrderItemID =e.item.cells[1].Text;
*
1xs/$` ...
a(ITv roM/ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
sf# px|~9 }
V*@Y9G A^A)arJS ★特别注意:【?id=】 处不能为 【?id =】
'3WtpsKA 6.表格超连接列传递参数
Pz\K3- <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
n;Q8Gg2U <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
cC NRv$IO\ ;gD\JA 7.表格点击改变颜色
Eh|,[D!E if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
BenyA:W" {
XoL DqN! e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
g.vE%zKL this.style.color=’buttontext’;this.style.cursor=’default’;");
%'Q2c'r }
i. (Af$ 5b*knN> 写在DataGrid的_ItemDataBound里
X{OWDy if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
0\X<vrW {
jX(hBnGW e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
%Ta"H3ZW this.style.color=’buttontext’;this.style.cursor=’default’;");
W I MBwmg e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
bv b\G }
z ynu0X AX<f$%iqD KAI2[ gs 8.关于日期格式
+@?'dw uLWu. Vx 日期格式设定
hpPacN DataFormatString="{0:yyyy-MM-dd}"
y$SUYG'v ?+.C@_QZQ 我觉得应该在itembound事件中
}u=Oi@~ e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
19#>\9* 0<NS1y 9.获取错误信息并到指定页面
4OpzGZ4+ *X2PT(e[ 不要使用Response.Redirect,而应该使用Server.Transfer
MGt>:&s(] #
#2'QNN e.g
$T^q>v2u // in global.asax
&ah%^Z4um protected void Application_Error(Object sender, EventArgs e) {
Qz#By V: if (Server.GetLastError() is HttpUnhandledException)
wK#*| Server.Transfer("MyErrorPage.aspx");
yb?Pyq.D Hz2Sx1.i //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
gu[EYg }
r9'[7b1l j-W$)c3X 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
`Hlf.>b1 emK*g<] 10.清空Cookie
J:Qx5;b; Cookie.Expires=[DateTime];
/Xb4'Qj Response.Cookies("UserName").Expires = 0
Y%;X7VxU* C49\'1\6 11.自定义异常处理
k4{|Xn
//自定义异常处理类
s(3HZ>qx; using System;
H@?} !@ using System.Diagnostics;
'ET];iZ2 _#6Qf namespace MyAppException
h\w;SDwOk {
,)#rD9ZnC /// <summary>
)`f-qTe /// 从系统异常类ApplicationException继承的应用程序异常处理类。
a*U[;( /// 自动将异常内容记录到Windows NT/2000的应用程序日志
jTIG#J) /// </summary>
~$5XiY8A public class AppException:System.ApplicationException
*qy \%A {
i\ X3t5 public AppException()
+KIz#uqF8Z {
X~0-W Bz if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
Td'(RV }
pTwzVz~ Sq ]gU public AppException(string message)
"T5oUy&i {
k1f<(@*` LogEvent(message);
cr{yy :D }
4A6Y
\Z XI {L%J DJ public AppException(string message,Exception innerException)
o&Xp%}TI {
=-fM2oiI: LogEvent(message);
az0=jou<Zl if (innerException != null)
aH'fAX0bF {
9]oT/ooM LogEvent(innerException.Message);
x"e;T,c
}
IONo&~-l }
`v``}8tm 8VMA~7^ //日志记录类
r+E!V'{C using System;
|xFA} using System.Configuration;
WF~BCP$OR using System.Diagnostics;
z}u`45W+ using System.IO;
WX?nq'nr using System.Text;
8^y=YUT using System.Threading;
s_IFl5D] _Fa\y ZX namespace MyEventLog
Jj>Rzj!m {
~^Cx->l /// <summary>
r*vh3.Agl /// 事件日志记录类,提供事件日志记录支持
Ia}qDGqPp! /// <remarks>
h$!YKfhq} /// 定义了4个日志记录方法 (error, warning, info, trace)
ZY`9 /// </remarks>
Uq#2~0n> /// </summary>
%Tp
k1 public class ApplicationLog
yV:8>9wE8 {
(l{8Ixs /// <summary>
{] ]%0!n\ /// 将错误信息记录到Win2000/NT事件日志中
GEc-<`- /// <param name="message">需要记录的文本信息</param>
fGlvum /// </summary>
1n^N`lD8]6 public static void WriteError(String message)
20|_wAA5 {
(c0L
H WriteLog(TraceLevel.Error, message);
+?U[362> }
e72Fz#<q 63=&??4 /// <summary>
p;}`PW /// 将警告信息记录到Win2000/NT事件日志中
m1;Htw /// <param name="message">需要记录的文本信息</param>
h@$SJe(hl /// </summary>
^7aqe*|vm public static void WriteWarning(String message)
*P=3Pl?j {
n!/0yR2S WriteLog(TraceLevel.Warning, message);
Bam.B6- }
it\$Pih] q<q IT /// <summary>
SED52$zA /// 将提示信息记录到Win2000/NT事件日志中
{. 9BG& /// <param name="message">需要记录的文本信息</param>
B1 }-
/// </summary>
\{ EVRRXn public static void WriteInfo(String message)
gPk,nB {
mc?IM(t WriteLog(TraceLevel.Info, message);
-#f.}H' }
TF:'6#p /// <summary>
T"vf /// 将跟踪信息记录到Win2000/NT事件日志中
7wx=# /// <param name="message">需要记录的文本信息</param>
G|Et'k.F4 /// </summary>
u.X]K:Yow public static void WriteTrace(String message)
#wIWh^^ Zy {
3 k/E$wOj WriteLog(TraceLevel.Verbose, message);
\[3~*eX6 }
h6D4CT md+pS"8o; /// <summary>
yor'"6)i /// 格式化记录到事件日志的文本信息格式
<jV,VKL# /// <param name="ex">需要格式化的异常对象</param>
P".}Y[GD /// <param name="catchInfo">异常信息标题字符串.</param>
}qECpKa0 /// <retvalue>
6}E>B{Y /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
yk?bz /// </retvalue>
R%RbC!P /// </summary>
>JE+j= public static String FormatException(Exception ex, String catchInfo)
;99oJD, {
wkZwtq StringBuilder strBuilder = new StringBuilder();
,gQl_Amvz if (catchInfo != String.Empty)
uxTgK'3 {
<7U~0@<Y strBuilder.Append(catchInfo).Append("\r\n");
b&[".ibN1 }
&!/>B . strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
)^o.H~Pv return strBuilder.ToString();
?m *e$!M0 }
NuR7pjNMZ :38{YCN /// <summary>
d|RUxNjM-J /// 实际事件日志写入方法
*xNc^&. /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
wx3_?8z/O /// <param name="messageText">要记录的文本.</param>
<K^a2 D /// </summary>
' J@J$#6 private static void WriteLog(TraceLevel level, String messageText)
>(a35 b$ {
n3~axRPO try
w~6UOA8} {
doL-G?8B EventLogEntryType LogEntryType;
3F|p8zPS switch (level)
>M2~p&Si {
!}h)
| case TraceLevel.Error:
>S:(BJMo LogEntryType = EventLogEntryType.Error;
\bd KLcKI, break;
*`+zf7-f case TraceLevel.Warning:
EX_j|/&tZ LogEntryType = EventLogEntryType.Warning;
LMoZI0)x break;
zr?s5RS case TraceLevel.Info:
7!AyL w LogEntryType = EventLogEntryType.Information;
j<(E%KN3 break;
{`SMxDevc} case TraceLevel.Verbose:
kMVr[q,MEq LogEntryType = EventLogEntryType.SuccessAudit;
&q<k0_5Q break;
Nksm&{=6S default:
-b^dK)wR~ LogEntryType = EventLogEntryType.SuccessAudit;
>}
2C,8N break;
ys=}
V| }
D?_K5a&v, "G@K(bnHn EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
eB#I-eD //写入事件日志
qg#YQ'vWte eventLog.WriteEntry(messageText, LogEntryType);
U_IGL o.!o4&WH }
,7@\e&/& catch {} //忽略任何异常
As46:<!2 }
<w^u^)iLy1 } //class ApplicationLog
-O$vJ,* }
H};1>G4 f9K7^qwkiz 12.Panel 横向滚动,纵向自动扩展
tNFw1& <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
8B*(P> _$AM=?P& 13.回车转换成Tab
M584dMM <script language="javascript" for="document" event="onkeydown">
~o_JZ: if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
L-`V^{R] event.keyCode=9;
lW|=rq-| </script>
x,mt}> ZJ%NZAxy onkeydown="if(event.keyCode==13) event.keyCode=9"
ppz3"5 %l!A%fn( 14.DataGrid超级连接列
'EIe5Op DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
ra'/~^9 /HRKw
D 15.DataGrid行随鼠标变色
>ZkL`!:s private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
fhN\AjB6Td {
}
TUr96 if (e.Item.ItemType!=ListItemType.Header)
oVK:A;3T| {
a,oTU\m
C e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
PoaCnoNS e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
kZG=C6a }
KE,.Evyu= }
/o4e
n lkT :e)w 16.模板列
n}a`|Nbk <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
A4f"v)vM <ITEMTEMPLATE>
Dc0=gq0 <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
!+3&%vQ) </ITEMTEMPLATE>
U3&GRY|## </ASP:TEMPLATECOLUMN>
3;L$&X2 d\>XfS <ASP:TEMPLATECOLUMN headertext="选中">
-&
(iU#W <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
sf2%WPK
<ITEMTEMPLATE>
By@65KmR" <ASP:CHECKBOX id="chkExport" runat="server" />
3=n6NTL </ITEMTEMPLATE>
V$hL\`e <EDITITEMTEMPLATE>
CsZm8oL$ <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
Mbxl{M
> </EDITITEMTEMPLATE>
d;dT4vx$[M </ASP:TEMPLATECOLUMN>
eQuw uT %mss{p!d6 后台代码
j.] ]VA protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
P0m9($JBD {
%WU=Vy 4 //改变列的选定,实现全选或全不选。
zlEI_th:~ CheckBox chkExport ;
-sA&1n"W&5 if( CheckAll.Checked)
O=bkq} {
2g O@ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
_0$>LWO~ {
#$W5)6ch chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
1"CWEL`i chkExport.Checked = true;
?rOj?J9 }
`WH$rx! }
n`Z}tQ%)o else
(!fx5&F {
\Ebh6SRp\ foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
b|AjB: G {
wzy[sB274 chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
Crc6wmp chkExport.Checked = false;
NTq_"`JjZ }
#+D][LH4 }
M <JX }
/#T {0GBXe kHr-UJ! 17.数字格式化
@cIYS%iZ NB<8M!X/ 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
?<4pYEP <%#Container.DataItem("price","{0:¥#,##0.00}")%>
b * \
oQ U<&=pv int i=123456;
]a/dvj} string s=i.ToString("###,###.00");
O$, X[h{g` 18.日期格式化
})]
iN" g5+m]3#t 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
+i}H $.
@,oc%m 显示为: 2004-8-11 19:44:28
3q`f|r MD$W;rk(Hn 我只想要:2004-8-11 】
mRAt5a#is <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
k(RKAFjY K@e2%hk9x 应该如何改?
HYO/]\al .X3n9] 【格式化日期】
=_=%1rI~ #akJhy@m$ 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
Xbmsq,*] M{orw;1Isy 【日期的验证表达式】
O-7)"
TI8\qIW A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
5yt= ~ ^((\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})))?$
l@SV!keQ 0#Gm# =F B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
"gNi}dB<] ^\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]))$
CC^]Y.9 <EqS
,cO^ 【大小写转换】
Dn<3#V HttpUtility.HtmlEncode(string);
)6%*=- HttpUtility.HtmlDecode(string)
Jq)k5X>&Sj H HX q_-V 19.如何设定全局变量
~6t<`&f HdlOGa6C Global.asax中
G0h&0e{w KsIHJr7- Application_Start()事件中
\YJQN3^46> vbJdhaf 添加Application[属性名] = xxx;
]0<K^OIY Q[3hOFCX 就是你的全局变量
,5<AV K-#Q `vzMuL; 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
5q@s6_"{ eb}XooX HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
q'7.lrKwa> fcp_<2KH 【ASPNETMENU】点击菜单项弹出新窗口
OU` !c[O E8PwA. 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
*MfH\X379 <?xml version="1.0" encoding="GB2312"?>
mEYfsO <MenuData ImagesBaseURL="images/">
P%&|?e~D^ <MenuGroup>
9[\do@ <MenuItem Label="内参信息" URL="Infomation.aspx" >
:I"22EH <MenuGroup ID="BBC">
TT9
\m=7 <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
k;<@2C <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
OH`zeI,[* ......
VFawASwQ FT>>XP8 最好将你的aspnetmenu升级到1.2版
3d;J"e+? wKdWE`|y 21.读取DataGrid控件TextBox值
6K7lQ!#}Q foreach(DataGrid dgi in yourDataGrid.Items)
h3E}Sa(MQ: {
:Nf(:D8 TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
unFm~rcf tb.Text....
U.Vn|s(`z }
xX<T5Ls |1H9,:*% 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?
n|WSnm,W o3Yb2Nw 〖思归〗
eu)""l <asp:TemplateColumn HeaderText="数量">
;Q&9t <ItemTemplate>
:''Swi<H <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
#k/T\PQ0s onkeyup="javascript:DoCal()"
}LS.bQKqi, />
?`Mk$Y%my |Wck-+}U <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
,_V/W' </ItemTemplate>
/ho7~C+H*e </asp:TemplateColumn>
#X``^
;2`t0#J$] <asp:TemplateColumn HeaderText="单价">
W\0u[IV.x <ItemTemplate>
' xaPahx; <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
IAUc.VH onkeyup="javascript:DoCal()"
wAu]U6! />
}+S~Ah?( *!%n`BR ' <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
sRBfLN2C :{S@KsPqE </ItemTemplate>
BZTj>yd </asp:TemplateColumn>
JgHYuLB dg*xo9Xi` <asp:TemplateColumn HeaderText="金额">
EJz!#f~ <ItemTemplate>
.
WJ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
Q~Nq5[ </ItemTemplate>
+B8oW3v# ) </asp:TemplateColumn><script language="javascript">
bUy!hS;s function DoCal()
dtV*CX.D.7 {
f6SXXkO+ var e = event.srcElement;
zV15d91GX var row = e.parentNode.parentNode;
/W
f.Gt9[ var txts = row.all.tags("INPUT");
K&{ _s if (!txts.length || txts.length < 3)
Lwm /[ return;
!]7b31$M_ t{s>B]i^_w var q = txts[txts.length-3].value;
]!1HN3 var p = txts[txts.length-2].value;
OU/3U(%n]e ]X7_ji(l, if (isNaN(q) || isNaN(p))
.i?{h/9y return;
B
k\KG KCbOO8cQS q = parseInt(q);
('uUf!h?\ p = parseFloat(p);
P!j*4t ]C+PJ:CC txts[txts.length-1].value = (q * p).toFixed(2);
kuLur)^ }
h)W# </script>
o[JZ>nm O1X) *j <#5=l U+ Yu_=o{ ub1~+T'O 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
MUtM^uY page_load
<WmjjD page.smartNavigation=true
.MDSP/s ['>r tV 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
Zs0;92WL private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
pwSkw J] {
{#@[ttw$U for(int i=0;i<e.Item.Cells.Count-1;i++)
~z41$~/ if(e.Item.ItemType==ListItemType.EditType)
1S+T:n {
:KRNLhWb e.Item.Cells.Attributes.Add("Width", "80px")
I_?R(V[9 }
dF! B5( }
41.xi9V2 X?u=R)uG 26.对话框
xrNe:Aj private static string ScriptBegin = "<script language=\"JavaScript\">";
&F;bg private static string ScriptEnd = "</script>";
6_rgRo& JX>`N5s public static void ConfirmMessageBox(string PageTarget,string Content)
$%&OaAg {
{pre|r\ string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
(B@\Dw8^ )VG>6x
ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
_~>WAm< ~EQ#
%db Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
X$t!g` ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
j+lcj&V# //Response.Write(strScript);
r>KmrU4Q }
C!v%6[ BGH'&t_5 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
KG(l=? N d}?KPJ{ 1.1 取当前年月日时分秒
PbxQ \. currentTime=System.DateTime.Now;
-
?
i z~2;u5S& 1.2 取当前年
0Nk!.gY int 年= DateTime.Now.Year;
OYa9f[ $ |{%$x^KyJ 1.3 取当前月
*cXi*7|= int 月= DateTime.Now.Month;
K-c>J
uv&, l8%BRG 1.4 取当前日
0,#n_" int 日= DateTime.Now.Day;
a>Aq/= weGsjy(b]N 1.5 取当前时
;3Z?MQe"NQ int 时= DateTime.Now.Hour;
^x(s!4d] I&^hG\D 1.6 取当前分
W^;4t3eQf int 分= DateTime.Now.Minute;
gHXvmR" )*.rl 1.7 取当前秒
YoQQ , int 秒= DateTime.Now.Second;
mZ?QtyljT vQoZk, 1.8 取当前毫秒
931GJA~g int 毫秒= DateTime.Now.Millisecond;
o~xGE 6A*" d,'gh4C 28.自定义分页代码:
4]
u\5K- jQfnc:' 先定义变量 :
Cz&t*i/ public static int pageCount; //总页面数
*
+6Z^7 public static int curPageIndex=1; //当前页面
x>J(3I5_b Cnu])R 下一页:
,HNk<W if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
'w/S6j {
Oq}7q!H DataGrid1.CurrentPageIndex += 1;
vMJ_n=Vf curPageIndex+=1;
XVKRT7U }
;D(6Gy9~ .F _u/"** bind(); // DataGrid1数据绑定函数
9A`^ ( v[DxWs8q 上一页:
(enOj0 if(DataGrid1.CurrentPageIndex >0)
%bG\ {
']^]z".H DataGrid1.CurrentPageIndex += 1;
@aB7dtM curPageIndex-=1;
"{bc2#F }
!b$~Sm) `lbRy($L bind(); // DataGrid1数据绑定函数
}1a(*s,s-^ XZTH[#MqeI 直接页面跳转:
KfC{/J\
int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
mZnsr@KF >V%.=})K if(a<DataGrid1.PageCount)
^%U`|GBZp {
+t]Ge
>S this.DataGrid1.CurrentPageIndex=a;
J'I1NeK }
+}mj;3i (K ]wk9a bind();
,a0RI<D &!+1GI9z
29.DataGrid使用:
{"N:2 |*8X80< 添加删除确认:
u&f|z9 private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
S[l z>I {
2c*}1
_ foreach(DataGridItem di in this.DataGrid1.Items)
Q}
-YD.bx3 {
TTo?BVBK if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
{yxLL-5c {
O_DT7;g ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
m_;XhO }
16~5 ;u }
xaq/L:I< }
?. L]QU TyR@3H 样式交替:
& TN.6Hm3 ListItemType itemType = e.Item.ItemType;
$/E{3aT@F2 b>}
)G7b} if (itemType == ListItemType.Item )
i\K88B&24 {
,n UovWN07 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
Q[T)jo,j% e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
D~2n8h"2ye }
g6][N{xW0 else if( itemType == ListItemType.AlternatingItem)
|B2>}Y/ {
BG1hk! e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
4Le{|B e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
|k: FNu]C }
'^'PdB ?uF3Q)rCk 添加一个编号列:
R@IwmJxX DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
c48I-{? DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
D3+<16[, ,K.Wni#m for(int i=0;i<dt.Rows.Count;i++)
|A=~aQot {
:vFYqoCn dt.Rows["number"]=(i+1).ToString();
{Bpu-R&T }
\`*]}48Z BMn`t@ !x DataGrid1.DataSource=dt;
, LqfwA| DataGrid1.DataBind();
y
XCZs 'SWK{t \4 DataGrid1中添加一个CheckBox,页面中添加一个全选框
:?)q"hE private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
H[?l)nZ} {
anH ]] foreach(DataGridItem thisitem in DataGrid1.Items)
Zo Ra^o {
hXc:y0
0 ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
:4Y5 }
R{9G$b1Due }
?:7$c OHH\sA 将当前页面中DataGrid1显示的数据全部删除
<CS,v)4,nH foreach(DataGridItem thisitem in DataGrid1.Items)
@8cn<+"b {
i06|P I
if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
T4;gF6(0] {
78IY&q:v&0 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
]1q`N7 Del (strloginid); //删除函数
#V@vz#bo= }
fDChq[LAn }
T>5N$i X09i+/ICK 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)
<4"Bb_U pO N@ 在Application_Start中添加以下代码:
Z..s /K{ Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
7K24sHw;% AppSettings["ConnStr"].ToString();
:SN/fY &