// add columns by custom selection
internal static DataParamChainer ParamNodeColumns(this IParam prev, ColumnMap[] columns, string prefix = null)
{
return(DataParamChainer.AddNodeColumns((Chainer)prev, columns, prefix ?? Text.OPrefix));
}
// add columns with selector definition
internal static DataParamChainer ParamNodeColumns(this IParam prev, DB3 nodeID, ColumnSelector selector, string prefix = null)
{
return(DataParamChainer.AddNodeColumns((Chainer)prev, nodeID, selector, prefix ?? Text.OPrefix));
}