22_dataSet = dataSet;

45Debug.Assert(_dataSet != null); 47if (source == _dataSet) return; //somebody is doing an 'automerge' 48bool fEnforce = _dataSet.EnforceConstraints; 49_dataSet.EnforceConstraints = false; 50_IgnoreNSforTableLookup = (_dataSet._namespaceURI != source._namespaceURI); // if two DataSets have different 58foreach (DataTable dt in _dataSet.Tables) 93targetTable = _dataSet.Tables[sourceTable.TableName]!; 97targetTable = _dataSet.Tables[sourceTable.TableName, sourceTable.Namespace]!; // we know that target table won't be null since MissingSchemaAction is Add , we have already added it! 115MergeExtendedProperties(source.ExtendedProperties, _dataSet.ExtendedProperties); 116foreach (DataTable dt in _dataSet.Tables) 120_dataSet.EnforceConstraints = fEnforce; 128if (src.DataSet == _dataSet) return; //somebody is doing an 'automerge' 129fEnforce = _dataSet!.EnforceConstraints; 130_dataSet.EnforceConstraints = false; 138if (_dataSet != null) 142if (src.DataSet == null || src.DataSet._namespaceURI != _dataSet._namespaceURI) 159if (dt == null && _dataSet != null) 162_dataSet.Tables[src.TableName] : 163_dataSet.Tables[src.TableName, src.Namespace]; 170_dataSet!.EnforceConstraints = fEnforce; 234Debug.Assert(_dataSet != null); 241bool fEnforce = _dataSet.EnforceConstraints; 242_dataSet.EnforceConstraints = false; 258if (row.Table.DataSet == _dataSet) 270_dataSet.EnforceConstraints = fEnforce; 309_dataSet.EnforceConstraints = fEnforce; 317if (_dataSet!.Tables.Contains(table.TableName, true)) 321targetTable = _dataSet.Tables[table.TableName]; 325targetTable = _dataSet.Tables[table.TableName, table.Namespace]; 342_dataSet!.Tables.Add(targetTable); 370_dataSet!.RaiseMergeFailed(targetTable, SR.Format(SR.DataMerge_MissingColumnDefinition, table.TableName, src.ColumnName), _missingSchemaAction); 384_dataSet!.RaiseMergeFailed(targetTable, SR.Format(SR.DataMerge_DataTypeMismatch, src.ColumnName), MissingSchemaAction.Error); 420_dataSet!.RaiseMergeFailed(targetTable, SR.DataMerge_PrimaryKeyMismatch, _missingSchemaAction); 429_dataSet!.RaiseMergeFailed(table, 469Debug.Assert(_dataSet != null); 475Constraint? dest = src.Clone(_dataSet, _IgnoreNSforTableLookup); 479_dataSet.RaiseMergeFailed(table, 505_dataSet.RaiseMergeFailed(table, 521Debug.Assert(_dataSet != null); 529int iDest = _dataSet.Relations.InternalIndexOf(relation.RelationName); 534destRelation = _dataSet.Relations[iDest]; 538_dataSet.RaiseMergeFailed(null, 549_dataSet.RaiseMergeFailed(null, 559_dataSet.RaiseMergeFailed(null, 571_dataSet.Tables[relation.ParentTable.TableName]! : 572_dataSet.Tables[relation.ParentTable.TableName, relation.ParentTable.Namespace]!; 575_dataSet.Tables[relation.ChildTable.TableName]! : 576_dataSet.Tables[relation.ChildTable.TableName, relation.ChildTable.Namespace]!; 589_dataSet.Relations.Add(destRelation); 594_dataSet.RaiseMergeFailed(null, e.Message, _missingSchemaAction);