attach it to template not column
oTable.addColumn(new sap.ui.table.Column({
label : new sap.ui.commons.Label({
text : "Col3",
hAlign : sap.ui.core.HorizontalAlign.Center,
}),
template : new sap.ui.commons.TextField({
value : '{c3}',
}).attachBrowserEvent("keyup", onKeyup)
}));
