1. 打开新的窗口并传送参数:
^Po\:x%o cY\-e?`=4 传送参数:
!3yR?Xem} response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
&e,xN; v%zI~g.L 接收参数:
_?q\tyf3 string a = Request.QueryString("id");
?A62VV51CN string b = Request.QueryString("id1");
Htsa<tF (CZRX9TT1 2.为按钮添加对话框
lzS"NHs<g( Button1.Attributes.Add("onclick","return confirm(’确认?’)");
kf "cd1 button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Vx* = r)X?H 3.删除表格选定记录
%5F=!(w int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
'^Sa|WXq string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
oVC~RKA* b;soMilz 4.删除表格记录警告
ctt5t private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
;C{2*0"H| {
Ih,~h[ switch(e.Item.ItemType)
kP8Ypw& {
Zls4@/\Q case ListItemType.Item :
?r'b
Z~ case ListItemType.AlternatingItem :
:
]
Y= case ListItemType.EditItem:
BvX!n"QIb TableCell myTableCell;
gN mp'Lm myTableCell = e.Item.Cells[14];
zT_{M
qY LinkButton myDeleteButton ;
-pqShDar| myDeleteButton = (LinkButton)myTableCell.Controls[0];
'Iu$4xo`[ myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
OkzfQ
hC} break;
cE]tvL:g default:
#exE~@fy- break;
;2dhue }
7!MW`L/` IUu[`\b= }
w:N\]=Vh $)7-wCl</ 5.点击表格行链接另一页
p(0!TCBs private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
7z%zXDe~T[ {
yRieGf1'SD //点击表格打开
B*D`KA if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
>DbG$V<v' e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
;Rwr5 }
Iupk+x> yRvq3>mU 双击表格连接到另一页
OSkZW sBRw#xyS 在itemDataBind事件中
,HMB`vF if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
^vG*8,^S=8 {
[ HNGTde& string OrderItemID =e.item.cells[1].Text;
|L`w4; ...
BT#'<!7! e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
u:m]-' }
Q3oVl^q ?'h@!F%R' 双击表格打开新一页
1L &_3} if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
:1.$7Wt {
)*s.AFu]7x string OrderItemID =e.item.cells[1].Text;
n$b/@hp$z ...
kTC6fNj[ e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
GhpH7%s }
/ebYk-c YToRG7X# ★特别注意:【?id=】 处不能为 【?id =】
vZXyc* 6.表格超连接列传递参数
y@_4OkR@ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
q~l&EH0 <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
.}CPZ3y IS'=%qhC` 7.表格点击改变颜色
;'vY^I8-L if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
1Z`<HW" {
Q>Q$BCD5 e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
>Y{.)QS this.style.color=’buttontext’;this.style.cursor=’default’;");
.[O*bk }
T+2?u.{I vQIoj31 写在DataGrid的_ItemDataBound里
*5|\if\ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
pQEHWq"Q {
rcQ?E=V2O e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
{kZhje^$vi this.style.color=’buttontext’;this.style.cursor=’default’;");
i[jAAr$ e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
V
(X)Qu@R }
?<F\S2W g<.VW0 U<#i\4W 8.关于日期格式
DQ'+,bxk=9 q)!{oi{x( 日期格式设定
Iqo4INGIi DataFormatString="{0:yyyy-MM-dd}"
KUuwScb\ k87B+0QEL 我觉得应该在itembound事件中
a(BC(^1! e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
S)Ld^0w wetkmd 9.获取错误信息并到指定页面
j4brDlo?@ pK$^@~DE 不要使用Response.Redirect,而应该使用Server.Transfer
teM&[U cQ+V4cW
Z e.g
WJJ!NoP // in global.asax
b5H[~8mf protected void Application_Error(Object sender, EventArgs e) {
ICV67(Ui if (Server.GetLastError() is HttpUnhandledException)
|dXS+R1 Server.Transfer("MyErrorPage.aspx");
.GS|H d Vw)\#6FL //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
nGyY`wt&Rg }
44_n5vp,T B VPf8!- Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
<pPI:D@G P^1rNB 10.清空Cookie
r*,]=M W Cookie.Expires=[DateTime];
:.sK:W("v Response.Cookies("UserName").Expires = 0
1S_KX. }b,a*4pN 11.自定义异常处理
nre8 F //自定义异常处理类
Grw_SVa^ using System;
][qZOIk@ using System.Diagnostics;
&|9?B!,` h!)(R< namespace MyAppException
%7V?7BE {
jP}N^ /// <summary>
a2YdkdjT /// 从系统异常类ApplicationException继承的应用程序异常处理类。
>GZF\ER /// 自动将异常内容记录到Windows NT/2000的应用程序日志
Z/ThYbk /// </summary>
!)&-\!M> public class AppException:System.ApplicationException
6NZf!7,B {
kuUH2:L public AppException()
VY![VnHsB {
[!aHP?- if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
e=_*\`/CN }
z2,rnm)Q (S(=W G public AppException(string message)
8I~ H1 {
R?]>8o, LogEvent(message);
*W i(% }
3btciR!N] lz # inC| public AppException(string message,Exception innerException)
[i&tE.7 {
lUWjm%| LogEvent(message);
Q>z0?%B if (innerException != null)
k"L_0HK {
SZyPl9.b LogEvent(innerException.Message);
b\;QR?16R }
d5u,x.R }
U;{VL! I:Z38xz -[ //日志记录类
XvdK; using System;
vguqk!eo4 using System.Configuration;
|r3eq4$Am using System.Diagnostics;
Wc+ e>* using System.IO;
r5F#q using System.Text;
}RM?gE using System.Threading;
<Ojf&C^Z VoP(!.Ua>7 namespace MyEventLog
,rTR
|>Z {
,cj34W`FWq /// <summary>
{qh`8 /// 事件日志记录类,提供事件日志记录支持
'RG`DzuF /// <remarks>
3 #jPQ[+ /// 定义了4个日志记录方法 (error, warning, info, trace)
>0~y"~M /// </remarks>
tb_}w@:kU /// </summary>
2>s:wABb / public class ApplicationLog
Ou,B3kuQ+ {
QMkLAZ /// <summary>
mWka!lT /// 将错误信息记录到Win2000/NT事件日志中
BfhOe~+i /// <param name="message">需要记录的文本信息</param>
1FY^_dvH /// </summary>
F v(zql public static void WriteError(String message)
qKWkgackP {
{zg}KiNDZd WriteLog(TraceLevel.Error, message);
\)LY_D: }
iaPY>EP1 6idYz"P % /// <summary>
EV~_-YC
/// 将警告信息记录到Win2000/NT事件日志中
WlG/7$ /// <param name="message">需要记录的文本信息</param>
Le_?x /// </summary>
n1!u
aUC public static void WriteWarning(String message)
znu?x|mV {
mEE/Olh W WriteLog(TraceLevel.Warning, message);
jIuE1ve }
k deJB- !5p01]7 /// <summary>
7(wY4T /// 将提示信息记录到Win2000/NT事件日志中
H# Vs3*VK /// <param name="message">需要记录的文本信息</param>
(\SxG\` /// </summary>
<4Ujk8Zj public static void WriteInfo(String message)
|ukEnjI`u {
)8P<ZtEU
WriteLog(TraceLevel.Info, message);
Ee4oTU5Mb }
od-N7lp# /// <summary>
~sk 4v:- /// 将跟踪信息记录到Win2000/NT事件日志中
];(w8l /// <param name="message">需要记录的文本信息</param>
03{e[#6 /// </summary>
<tFq6| public static void WriteTrace(String message)
A"w
1GBx {
KS%xo6k. WriteLog(TraceLevel.Verbose, message);
IWKQU/l! }
Jd)|==yD {OB\~$TH /// <summary>
6B|IbQ^ /// 格式化记录到事件日志的文本信息格式
wn|Sdp /// <param name="ex">需要格式化的异常对象</param>
, gz:2UY# /// <param name="catchInfo">异常信息标题字符串.</param>
Rrk3EL /// <retvalue>
uv._N6mj /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
][#]4_ /// </retvalue>
UJlKw `4 /// </summary>
C+2*m=r public static String FormatException(Exception ex, String catchInfo)
6kYn5:BhIi {
Vx?a&{3]- StringBuilder strBuilder = new StringBuilder();
`ZNzDr if (catchInfo != String.Empty)
M-0BQs`N {
)<jj O strBuilder.Append(catchInfo).Append("\r\n");
Ue~M.LZb }
|?{Zx&yUw strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
?2DYz"/') return strBuilder.ToString();
}0qgvw }
N{oD1% b+3{ bE /// <summary>
P>jlFm /// 实际事件日志写入方法
"TG}aS /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
VxaJ[s3PQ& /// <param name="messageText">要记录的文本.</param>
kM@8RAxA /// </summary>
2sWM(SN private static void WriteLog(TraceLevel level, String messageText)
7pr@aA"vgj {
* 496"kU try
lts{<AU~ {
J
Wof<D, EventLogEntryType LogEntryType;
CCQ<.iCU switch (level)
P62g7>B5^ {
Q>= :$I case TraceLevel.Error:
N(&,+KJ) LogEntryType = EventLogEntryType.Error;
q=g;TAXZl break;
~eE2!/%9 case TraceLevel.Warning:
6uR:/PTG LogEntryType = EventLogEntryType.Warning;
A"i40 @+ break;
LB U]^t@ M case TraceLevel.Info:
yv]/A<gP+ LogEntryType = EventLogEntryType.Information;
_ jF,
k>F break;
$)z(4Ev case TraceLevel.Verbose:
[7Q |vu LogEntryType = EventLogEntryType.SuccessAudit;
n:Ka@ break;
Y|>y]x default:
<.+hV4,3 LogEntryType = EventLogEntryType.SuccessAudit;
#k5Nnv#(J break;
]KLjQpd }
U
$e-e/ d5UdRX]* EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
3zv_q&+8b //写入事件日志
G-9]z[\# eventLog.WriteEntry(messageText, LogEntryType);
>o%.`)Ar _}{C?611c }
b&s"x?
7 catch {} //忽略任何异常
i|y8n7c }
\:%e 6M } //class ApplicationLog
##EMJi }
cZPv6c_w ^4h/6^b0c 12.Panel 横向滚动,纵向自动扩展
d
0$)Y|d> <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
Mb"i}Yt{ /87?U; |V 13.回车转换成Tab
\Om.pOz <script language="javascript" for="document" event="onkeydown">
5@F1E8T if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
ezgP\ct event.keyCode=9;
<`+U B<K </script>
x9p,j [; onkeydown="if(event.keyCode==13) event.keyCode=9"
xOt%H\*k" V80g+)| 14.DataGrid超级连接列
N/4`afiV. DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
9l+'V0?` 4&Y{kNF 15.DataGrid行随鼠标变色
&k+jVymH private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
T/X[q7O~~4 {
6X$]d^)h{ if (e.Item.ItemType!=ListItemType.Header)
2I3MV:5 {
@6~r7/WD e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
[]}E-
V e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
Cd?aC }
& w&JE]$ 5 }
/xUTm=w7u #/=s74.b
16.模板列
yM`J+tq <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
*I:^g <ITEMTEMPLATE>
Po~{Mpe <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
iO4Yfj#? </ITEMTEMPLATE>
^_0zO$z, </ASP:TEMPLATECOLUMN>
A NR?An H$bu*o-Z <ASP:TEMPLATECOLUMN headertext="选中">
p6VS<L <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
qRlS^=# <ITEMTEMPLATE>
"j#;MOK <ASP:CHECKBOX id="chkExport" runat="server" />
yr8
b?m.x </ITEMTEMPLATE>
G6]W'Kk <EDITITEMTEMPLATE>
dT?/9JIv <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
:08b&myx </EDITITEMTEMPLATE>
c5Fl:=h </ASP:TEMPLATECOLUMN>
Kx==vq%39 1U[Q)(P 后台代码
'M8wjU protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
kG 7]<^Os3 {
9ozN$: //改变列的选定,实现全选或全不选。
6AD#x7drj CheckBox chkExport ;
lKKg n{R if( CheckAll.Checked)
A/:^l%y,GZ {
j
N":9+F foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
*|n-Hr {
2%o@ ?Rp chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
4}-{sS}MP chkExport.Checked = true;
3msb"|DG }
h]WPWa)M }
^k{b8-)W< else
4OX|pa {
~gZ"8frl foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
&q8oalh {
2aj9:S chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
uknX py)) chkExport.Checked = false;
B'[FnJ8~ }
+h*-9 }
f0Wbc\L[ }
:qlcN @_ f0!i<9< 17.数字格式化
tE=;V) %we H 5\k`7R 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
<cig^B{nX <%#Container.DataItem("price","{0:¥#,##0.00}")%>
T)N_ ~f| *BdKQ/Dk int i=123456;
' 5tk0A string s=i.ToString("###,###.00");
L?h'^*F H} LeP;HP| 18.日期格式化
Q6qIx=c4 I!-"SuBy4J 【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
+q<G%PwbV bn*SLWWQ.3 显示为: 2004-8-11 19:44:28
$f>h_8cla "|k 4<"] 我只想要:2004-8-11 】
X>-|px$vy <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
8_*31Y
yq7gBkS 应该如何改?
9Ub##5$[, S Lsw '< 【格式化日期】
rm}%C(C{J O%m\
Q1 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
-w'_Q"o2 >v?&&FhHK< 【日期的验证表达式】
(i 2R1HCa !v fbgK A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
./l^Iz&0 ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
(8Ptuh6\\2 &hnI0m=X B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
Py72:;wn ^\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]))$
3bU(ea^e$ XK+"
x! 【大小写转换】
%$Smei HttpUtility.HtmlEncode(string);
nY)H-u^ HttpUtility.HtmlDecode(string)
\>]C V9:Jz Q=?` 19.如何设定全局变量
:MPfCiAv fFe{oR
Global.asax中
y3+iADo.p y&&%%3 Application_Start()事件中
cfZ$V^xM T9'd?nw9 添加Application[属性名] = xxx;
'$q=r x ~NV 8avZ 就是你的全局变量
V zTHW5B G(;hJ'LT 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
?:AD&Dn m+!T
$$W HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
MW|*Z{6* Kj{(jT 【ASPNETMENU】点击菜单项弹出新窗口
V<A$eb>6 )W,.xP 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
2 ":W^P <?xml version="1.0" encoding="GB2312"?>
[C^&iLX/F* <MenuData ImagesBaseURL="images/">
omoD+ <MenuGroup>
Jk=_8Xvr` <MenuItem Label="内参信息" URL="Infomation.aspx" >
"xduh3/~= <MenuGroup ID="BBC">
/?Y]wY <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
S HxD(6 <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
ZJf:a}=h ......
%o 5Y4#aq 最好将你的aspnetmenu升级到1.2版
dJ(<zz+;b -]. a0 21.读取DataGrid控件TextBox值
E (.~[-K4 foreach(DataGrid dgi in yourDataGrid.Items)
:B7dxE9[r {
E=#
O|[= TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
kxH`
c tb.Text....
OpD%lRl }
3j7Na#<tL3 *8Kx y@ 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
;k:17&:8ue :*I='M9B 〖思归〗
@L ,4JPk <asp:TemplateColumn HeaderText="数量">
91\Sb:> <ItemTemplate>
KXf(v4 <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
q}|_]R_y onkeyup="javascript:DoCal()"
(.pi ,+Ws />
w| eVl{~p 8pXqgIbmb <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
-P:o ^_)g </ItemTemplate>
g#%Egb1 </asp:TemplateColumn>
lj /IN[U/ =Cc]ugl7- <asp:TemplateColumn HeaderText="单价">
eq(1'?7]`G <ItemTemplate>
-, uT8' <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
b6NGhkr'\ onkeyup="javascript:DoCal()"
'Px}#f0IR />
HChlkj'7w0 <nU8.?\?~ <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
e<$s~ UXv : "^/?Sd </ItemTemplate>
\GPTGi5A </asp:TemplateColumn>
: G'a"%x {X10, <asp:TemplateColumn HeaderText="金额">
@TJ2
|_s6] <ItemTemplate>
#.{ddY{ <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
K=1prv2 </ItemTemplate>
z?n6l7sH </asp:TemplateColumn><script language="javascript">
oU|_(p"e| function DoCal()
cD t|v~ {
9qkJ< var e = event.srcElement;
? sv[vR( var row = e.parentNode.parentNode;
H`s[=Y,m var txts = row.all.tags("INPUT");
dpvEY(Ds if (!txts.length || txts.length < 3)
E[Q2ZqhgbP return;
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{:#c1d2@8 "E@A~<RKP nlZJ}xZ y eam-8 E`Br# "/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。
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c biZ=TI2P,L 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 ?
i91k0q*di private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
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