System.Data.ExprException.UnresolvedRelation C# (CSharp) Method

        public static Exception UnresolvedRelation(string name, string expr)
        {
            return _Eval(SR.Format(SR.Expr_UnresolvedRelation, name, expr));
        }

        internal override void Bind(DataTable table, List <DataColumn> list)
        {
            BindTable(table);
            if (table == null)
            {
                throw ExprException.AggregateUnbound(this.ToString());
            }

            if (local)
            {
                relation = null;
            }
            else
            {
                DataRelationCollection relations;
                relations = table.ChildRelations;

                if (relationName == null)
                {
                    // must have one and only one relation

                    if (relations.Count > 1)
                    {
                        throw ExprException.UnresolvedRelation(table.TableName, this.ToString());
                    }
                    if (relations.Count == 1)
                    {
                        relation = relations[0];
                    }
                    else
                    {
                        throw ExprException.AggregateUnbound(this.ToString());
                    }
                }
                else
                {
                    relation = relations[relationName];
                }
            }

            childTable = (relation == null) ? table : relation.ChildTable;

            this.column = childTable.Columns[columnName];

            if (column == null)
            {
                throw ExprException.UnboundName(columnName);
            }

            // add column to the dependency list, do not add duplicate columns

            Debug.Assert(column != null, "Failed to bind column " + columnName);

            int i;

            for (i = 0; i < list.Count; i++)
            {
                // walk the list, check if the current column already on the list
                DataColumn dataColumn = (DataColumn)list[i];
                if (column == dataColumn)
                {
                    break;
                }
            }
            if (i >= list.Count)
            {
                list.Add(column);
            }

            // SQLBU 383715: Staleness of computed values in expression column as the relationship end columns are not being added to the dependent column list.
            AggregateNode.Bind(relation, list);
        }