1. 打开新的窗口并传送参数:
Y:?cWO Tqf:G4! 传送参数:
jW8,}Xs response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
?lPn{oB9" `MLOf 接收参数:
]Pp}=hcD string a = Request.QueryString("id");
xCQLfXK7 string b = Request.QueryString("id1");
*2T"lpl G (3wI} 2.为按钮添加对话框
)K}-z+$)k Button1.Attributes.Add("onclick","return confirm(’确认?’)");
mf W}^mu button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
q+Ec|Xd
e b)[2t^zG 3.删除表格选定记录
mG*ER^Y@D int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
ez-jVi-Fi string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
q\$k'(k>35 d :vuRK4+ 4.删除表格记录警告
7WMF8(j5 private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
nb~592u {
U [R[VY7 switch(e.Item.ItemType)
n1Wo<$# {
Ql1J?9W case ListItemType.Item :
'8"nXuL- case ListItemType.AlternatingItem :
eY V Jk7 case ListItemType.EditItem:
Ylhy Z&a, TableCell myTableCell;
zl3GWj|?\7 myTableCell = e.Item.Cells[14];
<r1/& RW, LinkButton myDeleteButton ;
c;B: o myDeleteButton = (LinkButton)myTableCell.Controls[0];
FokSg[)5 myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
(&KBYiwr break;
3sK^
( default:
dFl8 'D break;
uqsVq0H }
P!yOA_)as R*`=Bk0+ }
Yh["IhjR jX;$g>P 5.点击表格行链接另一页
4c]=kb GW private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
96d&vm~m1 {
1wg#4h43l //点击表格打开
u- }@^Y$M if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
xFzaVjjP e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
q&kG> }
eyzXHS*s;L W,5_i7vr 双击表格连接到另一页
X@Bg_9\i m7|S'{+! 在itemDataBind事件中
+Ym#!" if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
E*vh<C {
|%g)H,6c string OrderItemID =e.item.cells[1].Text;
]p@q.P ...
DP.Y<V)B e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
^
A J_
}
+7mUX A
D%9;KQ8 双击表格打开新一页
vhGX& if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
UZ;FrQ(l{ {
=lmelo#m& string OrderItemID =e.item.cells[1].Text;
GD1L6kVd1 ...
%w;wQ_ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
j%)@f0Ng }
yTR5*{?j Od+nBJ
★特别注意:【?id=】 处不能为 【?id =】
jpkKdQX) 6.表格超连接列传递参数
+62}//_? <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
T`2a) <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
v@,`(\Ca' 7?ILmYBw 7.表格点击改变颜色
0C4Os p if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
AbL(F#{ {
b=kY9!GN,v e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
L>n^Q:M this.style.color=’buttontext’;this.style.cursor=’default’;");
%RIlu[J }
zXW;W$7V4 Dn48?A[v 写在DataGrid的_ItemDataBound里
~IFafAO& if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
|)OC1=As {
#!C|~= e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
5^Ny6t this.style.color=’buttontext’;this.style.cursor=’default’;");
n( 9$)B_y e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
~cf)wrP }
K?u:-QX^ Ie}7#>S Jow{7@FG 8.关于日期格式
Q">wl 7|k2~\@q 日期格式设定
c1xX)cF DataFormatString="{0:yyyy-MM-dd}"
}Xb|Ur43 +bk+0k9k5 我觉得应该在itembound事件中
xD9ZL e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
7[1VFc#tf QN;GMX5& 9.获取错误信息并到指定页面
r_MP[]f|0 +4F; m_G6 不要使用Response.Redirect,而应该使用Server.Transfer
_^D -nk? rX22%~1 e.g
LX}|%- iv // in global.asax
y*E{X protected void Application_Error(Object sender, EventArgs e) {
G_}oI|B if (Server.GetLastError() is HttpUnhandledException)
44pVZ5c Server.Transfer("MyErrorPage.aspx");
`_x#`%!#2 *i"Mu00b //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
p\}!uS4 ( }
l-2lb&n ]}pAZd 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
(!a\23 iV:\,<8d 10.清空Cookie
0zk054F' Cookie.Expires=[DateTime];
Jw^h<z/Ux Response.Cookies("UserName").Expires = 0
E)]emeGd _8 l=65GW 11.自定义异常处理
-|P7e //自定义异常处理类
;\]DZV4?)r using System;
[6?x 6_M using System.Diagnostics;
1pqYB]*u_ X*a7`aL namespace MyAppException
$#_^uWN-M {
oJZ0{^ /// <summary>
0ke1KKy/d /// 从系统异常类ApplicationException继承的应用程序异常处理类。
O]l-4X#8F /// 自动将异常内容记录到Windows NT/2000的应用程序日志
qnzNJ_ `R /// </summary>
Q'[~$~&` public class AppException:System.ApplicationException
?sxf_0* {
I#xhmsF public AppException()
I.o3Old {
&-x/c\jz if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
D"K!ELGW }
xOZvQ\% Q;@w\_OR public AppException(string message)
_he~Y2zFz {
xEB4oQ5 LogEvent(message);
v%QCp }
<#~n+, R%JEx3)0m public AppException(string message,Exception innerException)
Lve$H(GHT {
BbI),iP LogEvent(message);
}dSFv
if (innerException != null)
Y5TBWcGU% {
ZRUA w,T * LogEvent(innerException.Message);
4VzSqb }
tfv@
)9 }
fVq,? XX*f //日志记录类
F|&mxsL using System;
M+4S >Sjw using System.Configuration;
M<@9di7c using System.Diagnostics;
r?x~`C using System.IO;
?hW(5]p| using System.Text;
'=IuwCB|; using System.Threading;
G+iJS!= Kt_HJ! namespace MyEventLog
[ <Q{ {
V.[b${ /// <summary>
|h:3BV_ /// 事件日志记录类,提供事件日志记录支持
}J=z O8OL /// <remarks>
}U b "Vb /// 定义了4个日志记录方法 (error, warning, info, trace)
n4zns,:)/ /// </remarks>
os(}X(
/// </summary>
/`w'X/'VJ public class ApplicationLog
-Q!?=JNtQ {
n4
Y
]v /// <summary>
*oIKddZh /// 将错误信息记录到Win2000/NT事件日志中
OmP(&t7 /// <param name="message">需要记录的文本信息</param>
B^hK /// </summary>
73M;-qnU public static void WriteError(String message)
EKT"pL-EY {
b;I!CyD WriteLog(TraceLevel.Error, message);
CjA}-ee }
w2tkJcQ3 .sUL5` /// <summary>
=k+i5:@] /// 将警告信息记录到Win2000/NT事件日志中
c:}K(yAdd /// <param name="message">需要记录的文本信息</param>
_j<,qi /// </summary>
,qlFk|A| public static void WriteWarning(String message)
tWdP5vfp {
QpifO WriteLog(TraceLevel.Warning, message);
2K'}Vm+ }
^[zF IO Pq(
)2B /// <summary>
S[uHPYhlA /// 将提示信息记录到Win2000/NT事件日志中
m$$98N /// <param name="message">需要记录的文本信息</param>
ix}*whW=U /// </summary>
K9Pw10g' public static void WriteInfo(String message)
*Xd_=@L&B {
O0"&wvR+5 WriteLog(TraceLevel.Info, message);
i)e)FhEY6 }
O11.wLNH /// <summary>
v aaZ /// 将跟踪信息记录到Win2000/NT事件日志中
upH%-)%' /// <param name="message">需要记录的文本信息</param>
;"GI~p2~7 /// </summary>
o6;VrpaNi public static void WriteTrace(String message)
GG_A'eX:I {
?Qs>L~ WriteLog(TraceLevel.Verbose, message);
YCQ+9 }
#D!3a%u0 fI0L\^b% /// <summary>
gClDVO /// 格式化记录到事件日志的文本信息格式
[h2V9>4: /// <param name="ex">需要格式化的异常对象</param>
@KYmkxW /// <param name="catchInfo">异常信息标题字符串.</param>
-OP5v8c
f /// <retvalue>
5(OF~mX# /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
~
.Eln+N /// </retvalue>
|m7`:~ow /// </summary>
:hxZ2O?5_ public static String FormatException(Exception ex, String catchInfo)
@)8C {
h-h}NCP StringBuilder strBuilder = new StringBuilder();
%x7l`.)N if (catchInfo != String.Empty)
1')/ BM2 {
s/'gl strBuilder.Append(catchInfo).Append("\r\n");
_'oy
C(:} }
<`m.Vbvm" strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
dUJNr_ return strBuilder.ToString();
g@"6QAP }
h Tn^:%( )O%lh
8fI /// <summary>
9uREbip /// 实际事件日志写入方法
u]cnbm /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
3/@'tLtN /// <param name="messageText">要记录的文本.</param>
)u&_}6z /// </summary>
9~mi[l~ private static void WriteLog(TraceLevel level, String messageText)
`0Q:d' {
7+u%]D! try
OiY2l;68 {
j|(bDa4\ EventLogEntryType LogEntryType;
ArU>./)Q switch (level)
BmUzsfD {
Xl*-A|:j case TraceLevel.Error:
ig/716r| LogEntryType = EventLogEntryType.Error;
Gb\7W break;
|@-WC. case TraceLevel.Warning:
@;,O V&XYn LogEntryType = EventLogEntryType.Warning;
jIc;jjAF break;
zFuUv_t case TraceLevel.Info:
[%nG_np LogEntryType = EventLogEntryType.Information;
z(orA} [ break;
Bv@m)$9\+3 case TraceLevel.Verbose:
y$V{yh[: LogEntryType = EventLogEntryType.SuccessAudit;
cCV"(Oo[H| break;
j)IK default:
n7q-)Dv_U LogEntryType = EventLogEntryType.SuccessAudit;
?3z+|;t6C break;
,em6wIq, }
p r0V) C6 t1Khf EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
#CQ>d8& //写入事件日志
0XYO2k eventLog.WriteEntry(messageText, LogEntryType);
{Rj' =%h X-{:.9 }
}\DQxHG catch {} //忽略任何异常
j*:pW;)^ }
?s"v0cg+ } //class ApplicationLog
Z ''P5B; }
YJ16vb9 ^]R0d3?>\ 12.Panel 横向滚动,纵向自动扩展
Eq<#pX6 <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
56_KB.Ww~ Yg]f2ke 13.回车转换成Tab
G[>-@9_b <script language="javascript" for="document" event="onkeydown">
/l$noaskX if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
Z|?XQ-R5 event.keyCode=9;
Ju9v n44 </script>
^:)&KV8D| wbS++cF< onkeydown="if(event.keyCode==13) event.keyCode=9"
610k#$ ^&rbI,D 14.DataGrid超级连接列
}t-r:R$, DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
N~ozyIP, -5ec8m8 15.DataGrid行随鼠标变色
Y)
t}%62 private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
.CpF0 {
7:j #1N[p if (e.Item.ItemType!=ListItemType.Header)
}b^lg&$( {
^c7L!F e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
]Ojt3)fB e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
sk3;;<H }
0?h .X=G }
_INUJc aBC[(}Pb] 16.模板列
YaT07X.(b <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
B&$89]gs| <ITEMTEMPLATE>
~3YNHm6V <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
LGMFv </ITEMTEMPLATE>
fIcv}Y </ASP:TEMPLATECOLUMN>
E0pQRGPA t]o gn( <ASP:TEMPLATECOLUMN headertext="选中">
l&A` <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
:gVjBF2 <ITEMTEMPLATE>
(os7Q? <ASP:CHECKBOX id="chkExport" runat="server" />
]\e zES </ITEMTEMPLATE>
3U`.:w` <EDITITEMTEMPLATE>
`3:%F> <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
k1H0hDE </EDITITEMTEMPLATE>
Vi|jkyC8 </ASP:TEMPLATECOLUMN>
m #eD v* yEny2q} 后台代码
-&A[{m <,> protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
G9[-|[j^N {
Jr9}'l8 //改变列的选定,实现全选或全不选。
.0|J+D CheckBox chkExport ;
yW&iUh=0 if( CheckAll.Checked)
!jW32$YTR {
.2P?1HpK foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
6J*`<k/S {
Y"jDZG? chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
'x0t,
;g chkExport.Checked = true;
GT.^u#r }
I{PN6bn{> }
W<L6, else
WI,=?~- {
80EY7#r@w foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
l!=WqIZ {
;R!H\ chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
`IoX'|C[h chkExport.Checked = false;
zef,*dQY }
&B4U) }
_2Z3?/Y }
+*DX(v"BH -DnK)u\@ 17.数字格式化
{ybuHC q':wSu u 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
<.B s`P <%#Container.DataItem("price","{0:¥#,##0.00}")%>
lRr-S% KIFx&A int i=123456;
9F](%/ string s=i.ToString("###,###.00");
`[&2K@u N96BWgT 18.日期格式化
z{d5Lrk wVOL7vh 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
iL, XBoE Fzs'@* 显示为: 2004-8-11 19:44:28
Fc~w`~tv H=#Jg;_w 我只想要:2004-8-11 】
1znV>PO! <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
2>k)=hl: R6XMBYK^ 应该如何改?
m4wTg
8LJ @RIEO%S 【格式化日期】
c1J)yv1y h$k3MhYDes 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
'>Y
2lqa =7Vl{>*1N 【日期的验证表达式】
0gD0}nH q4iD59yd)S A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
i)i)3K2 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Ekme62Q>u k#JG B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
&'b}N ^\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]))$
l%(`<a]VIB 8$kXC+ 【大小写转换】
fNPj8\#V, HttpUtility.HtmlEncode(string);
EiN)TB^] HttpUtility.HtmlDecode(string)
F^z8+W it@} dZ 19.如何设定全局变量
Y0\\(0j64 IJY5wP1" Global.asax中
i q:Q$z& Z3>xpw G Application_Start()事件中
~+egu89'TU jYX9;C;J 添加Application[属性名] = xxx;
tC:,!4 P$ TrU@mYnE 就是你的全局变量
bV*zMoD# _-J @$d% 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
sC_UalOC_ /2Lo{v=0[ HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
=awO63j> V?59.TJ 【ASPNETMENU】点击菜单项弹出新窗口
uyt-q|83= :wZ`>,K"t> 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
B"9hQb <?xml version="1.0" encoding="GB2312"?>
iv+jv2ZF% <MenuData ImagesBaseURL="images/">
d5"EvT <MenuGroup>
8]":[s6x <MenuItem Label="内参信息" URL="Infomation.aspx" >
<>i+R#u{ <MenuGroup ID="BBC">
n qLAby_ <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
-5v.1y=!L <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
gQ=POJ=G ......
Z/= %J3f LDEW00zL 最好将你的aspnetmenu升级到1.2版
`uZv9I" BDkBYhz;7 21.读取DataGrid控件TextBox值
#7-@k-<| foreach(DataGrid dgi in yourDataGrid.Items)
:n9xH {
KzX
,n_`an TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
E(!6n= qR tb.Text....
Z#6~N/b }
C%_ (}1v^~FXj 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
`m3QT3B +^ DRto= 〖思归〗
+1Rrkok <asp:TemplateColumn HeaderText="数量">
eSX[J6 <ItemTemplate>
QrckTO <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
`XSc > onkeyup="javascript:DoCal()"
Lp`<L -s />
xGEmrE<; ^]qV8 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
3zTE4pHzu+ </ItemTemplate>
vk)0n= </asp:TemplateColumn>
0\Yx.\X, ,0uo&/Y4L <asp:TemplateColumn HeaderText="单价">
n R\n\
<ItemTemplate>
Sci4EGc <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
)@bH" onkeyup="javascript:DoCal()"
+#qt^NO />
Bf:tal6 -M Sm$j:xw< <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
>=~Fo)V!(V { w8
!K </ItemTemplate>
]\RSHz </asp:TemplateColumn>
{LT4u]# _TOi
[GT <asp:TemplateColumn HeaderText="金额">
f']sU/c= <ItemTemplate>
ri<'-w i <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
?D(FNd </ItemTemplate>
K 5qLBz@U </asp:TemplateColumn><script language="javascript">
<F)w=_%& function DoCal()
K)Zkj"y {
Z?(4%U5z var e = event.srcElement;
BLwfm+ m" var row = e.parentNode.parentNode;
a#Kmj0 var txts = row.all.tags("INPUT");
<,@H;|mZ if (!txts.length || txts.length < 3)
&*aer5?` return;
y
Tw',N{ w.D4dv_H var q = txts[txts.length-3].value;
u*26>. var p = txts[txts.length-2].value;
]CIQq1iY 9eGCBVW:* if (isNaN(q) || isNaN(p))
?UZ$bz return;
:_^0'ULP cK|rrwa0 q = parseInt(q);
wrQydI p = parseFloat(p);
]M~8@K *f `s%&Y]s txts[txts.length-1].value = (q * p).toFixed(2);
bk7^%O> }
&gWMl`3^*! </script>
@TA8^ND JN&MyA" m)@Q_{=6M Mr=}B6` "J P{Q 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
>HcYVp~G page_load
TwM1M["3 page.smartNavigation=true
,b6kTQq tg7C;rJ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
V;iL[ private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
JlC<MQ? {
66~e~F}z for(int i=0;i<e.Item.Cells.Count-1;i++)
%Lp2jyv. if(e.Item.ItemType==ListItemType.EditType)
O1?B{F/ e {
1 [fo'M e.Item.Cells.Attributes.Add("Width", "80px")
^91sl5c8yD }
5ys#L&q'Z }
oUQGLl!V ;'=VrE6 26.对话框
[i(Cl} private static string ScriptBegin = "<script language=\"JavaScript\">";
UsLh)#}h private static string ScriptEnd = "</script>";
"JzfL(yt /&D'V_Q`* public static void ConfirmMessageBox(string PageTarget,string Content)
v#<\:|XAg {
2q"_^deI5* string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
=MTj4VXh" <#xrrRhm} ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
R=\v3m ]`zjRRd Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
b
A)b`1lI ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
+"YTCzv;t //Response.Write(strScript);
8?e }
|`w$|pm= 09R,'QJ| 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
Lzh9DYU6 %<aImR] 1.1 取当前年月日时分秒
x1Nme%%& currentTime=System.DateTime.Now;
v[R_S $Hp.{jw 1.2 取当前年
j';n8|Y9 int 年= DateTime.Now.Year;
$42Au2Jg E7rX1YdR 1.3 取当前月
o-SRSu int 月= DateTime.Now.Month;
C!!mOAhJ H9%l?r5 1.4 取当前日
*I:mw8t int 日= DateTime.Now.Day;
iY0,WT}&n 13ipaz 1.5 取当前时
4dW3'"R"L int 时= DateTime.Now.Hour;
yDd=&
T
4JGE2ArR 1.6 取当前分
G$cxDGo int 分= DateTime.Now.Minute;
HG3.~ 6X sL)Rg(rkx 1.7 取当前秒
5{')GTdX> int 秒= DateTime.Now.Second;
"w*@R8v shM{Y9~O9& 1.8 取当前毫秒
=MMCf0 int 毫秒= DateTime.Now.Millisecond;
OYBotk]{1 M'^(3#ZU 28.自定义分页代码:
C0zrXhY_v @(i*-u3Tq 先定义变量 :
jZrY=f public static int pageCount; //总页面数
]|,vCKju public static int curPageIndex=1; //当前页面
iH[E=
6* +yth_9 下一页:
De;, =BSp if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
(tJ91SBl {
Qn*6D DataGrid1.CurrentPageIndex += 1;
G-2EQ. curPageIndex+=1;
DZJeup?Z }
(F_w>w.h Tc:sldtCk bind(); // DataGrid1数据绑定函数
c2/FHI0J; rW[SU: 上一页:
'yE*|Sx
if(DataGrid1.CurrentPageIndex >0)
`/c7h16 {
-dg} BM DataGrid1.CurrentPageIndex += 1;
AvZXRN1:' curPageIndex-=1;
N].4"0Jv-D }
KZECo1 ,SAbC*nq bind(); // DataGrid1数据绑定函数
Y\.DQ xYmdCf@H 直接页面跳转:
B9wp*:. int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
'w}p[( ;JYoW{2 if(a<DataGrid1.PageCount)
<R>Q4&we( {
]+AAT=B<! this.DataGrid1.CurrentPageIndex=a;
Y]~IY?I }
Bk+{} P2>:p%Z bind();
zgK;4
22$m 8AryIgy>@ 29.DataGrid使用:
D^nxtuT* >Z}@7$(7!~ 添加删除确认:
B-$+UE>% private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
XHy? {
}bp.OV-+ foreach(DataGridItem di in this.DataGrid1.Items)
`%uK0qw" {
.M8=^,h^K if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
B0v|{C {
fO#?k<p ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
t7&Dwmck9 }
sqT^t! }
6Hda]y }
#aa1<-&H rxs8De 样式交替:
B9}E
{)T? ListItemType itemType = e.Item.ItemType;
=w6}\ 'X 4X*Q6rW if (itemType == ListItemType.Item )
Uh*@BmDA {
{f-XyF1` e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
J8J!#j. e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
w3d34*0$ }
^eobp.U else if( itemType == ListItemType.AlternatingItem)
|Hfl&3 {
=C#*!N73 e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
G&jZ\IV e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
$}db /hY* }
9T$u+GX' V#NtBreN 添加一个编号列:
ER_ 3' DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
b )Tl* DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
>zFD$ B_cgWJ*4 for(int i=0;i<dt.Rows.Count;i++)
:Z[(A"dA {
~U9q-/(J/ dt.Rows["number"]=(i+1).ToString();
4Ppop }
>{b3>s~T N2T&,&,t DataGrid1.DataSource=dt;
zXjwnep DataGrid1.DataBind();
AxEc^Cof rEmwKZF' DataGrid1中添加一个CheckBox,页面中添加一个全选框
Si]X
rub private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
z<i,D08|d {
-8/ JP
foreach(DataGridItem thisitem in DataGrid1.Items)
rfc|`*m}0 {
k1RV' ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
lQWBCJ8y }
u(AA`S" }
^iuo^2+ D&-vq,c 将当前页面中DataGrid1显示的数据全部删除
i+I0k~wY foreach(DataGridItem thisitem in DataGrid1.Items)
/~tP7<7A {
:s]\k%" if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
**n y! {
)%t7\1)B3 string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
:WO{x g Del (strloginid); //删除函数
W/=7jM }
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