public static FieldFilterExpression AddFieldExpression(Filters Filters, IFilter Filter, TableField Field, string FieldTableAlias) { FieldFilterExpression FieldFilterExpression = Filter.CreateFieldFilterExpression(); FieldFilterExpression.Code = GenNewKeyValueFromCollection(Filters, "FieldFilterExpression"); FieldFilterExpression.Field = Field; FieldFilterExpression.TableAlias = FieldTableAlias; return FieldFilterExpression; }