Get the selected record in form

1.
void clicked()
{
common common;
salesTable salesTableRef;
;
// using DataSource cursor() methos will get the cursor selected record
common = element.dataSource().cursor();

switch (common.TableId)
{
case tableNum(salesTable) :
{
salesTableRef = common;

info(salesTableRef.SalesId);
break;
}
}



super();
}
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2.
In Datasource->Active()
We can get using the DataSource name like
info(SalesTable.SalesId)
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3.
We can use that DataSource Name like SalesTable//this will get the selected record

info(SalesTable.SalesId)