92int col_Count = dataSet.Tables[0].Columns.Count; 96string colName = dataSet.Tables[0].Columns[j].ColumnName; 119stuTable.Columns.Add("StuName", typeof(string)); 120stuTable.Columns.Add("StuSex", typeof(string)); 121stuTable.Columns.Add("StuAge", typeof(int));

19dataTable.Columns.Add("Name"); 20dataTable.Columns.Add("Id"); 21dataTable.Columns.Add("Desc");

146if (table.Columns.Count == 0) 150table.Columns.Add(column.Name, column.DataType); 155if (table.Columns.Count != columnsCount) 159if (table.Columns[c].DataType != Columns[c].DataType)

1248var resColumns = table.Columns.Cast<DataColumn>().Select(column => (column.ColumnName, column.DataType)).ToArray();

61table1.Columns.Add("ID", typeof(int)); 68table2.Columns.Add("ID", typeof(int)); 72table1.Columns["ID"], 73table2.Columns["ID"])); 197column = table.Columns[columnName]; 201if (0 <= index && index < table.Columns.Count) 203column = table.Columns[index]; 209column = table.Columns[columnName];

90DataColumnCollection columns = dataTable.Columns;

77DataColumnCollection schemaTableColumns = schemaTable.Columns;

60DataColumn? assemblyQualifiedNameColumn = providerRow.Table.Columns[AssemblyQualifiedNameColumnName]; 91toReturn.Columns.AddRange(new[] { nameColumn, descriptionColumn, invariantNameColumn, assemblyQualifiedNameColumn });

18DataColumn? sortindex = dataTable.Columns[SchemaMappingUnsortedIndex]; 22dataTable.Columns.Add(sortindex);

65_columns = dataTable.Columns;

769parents[j] = _table.Columns[constr._columnNames[j]]!; 809parents[j] = _table.DataSet.Tables[constr._parentTableName]!.Columns[constr._parentColumnNames[j]]!; 811parents[j] = _table.DataSet.Tables[constr._parentTableName, constr._parentTableNamespace]!.Columns[constr._parentColumnNames[j]]!; 812childs[j] = _table.Columns[constr._childColumnNames[j]]!;

372_table.Columns.RegisterColumnName(value, this); 375_table.Columns.UnregisterName(_columnName); 382_table?.Columns.OnColumnPropertyChanged(new CollectionChangeEventArgs(CollectionChangeAction.Refresh, this)); 389_table?.Columns.OnColumnPropertyChanged(new CollectionChangeEventArgs(CollectionChangeAction.Refresh, this)); 1009_table!.Columns.MoveTo(this, ordinal);

141int newCapacity = Math.Min(_count * 2, column.Table!.Columns.Count);

498ParentTable.Columns.RegisterColumnName(ChildTable.TableName, null); 502ParentTable.Columns.UnregisterName(ChildTable.TableName); 727parentColumns[i] = parent.Columns[ParentKey.ColumnsReference[i].ColumnName]!; 728childColumns[i] = child.Columns[ChildKey.ColumnsReference[i].ColumnName]!;

501relation.ParentTable.Columns.UnregisterName(relation.ChildTable.TableName); 892parents[j] = _dataSet.Tables[rel._parentTableName!]!.Columns[rel._parentColumnNames[j]]!; 896parents[j] = _dataSet.Tables[rel._parentTableName!, rel._parentTableNamespace]!.Columns[rel._parentColumnNames[j]]!; 901childs[j] = _dataSet.Tables[rel._childTableName!]!.Columns[rel._childColumnNames[j]]!; 905childs[j] = _dataSet.Tables[rel._childTableName!, rel._childTableNamespace]!.Columns[rel._childColumnNames[j]]!;

50_columns = _table.Columns; 1111foreach (DataColumn dc in Table.Columns)

155int count = leftRow.Table.Columns.Count; 156if (count != rightRow.Table.Columns.Count) 187if (row.Table.Columns.Count > 0)

62SetColumnValue(_dataView.Table!.Columns[ndx], value); 77DataColumn? column = _dataView.Table!.Columns[property]; 90DataColumn? column = _dataView.Table!.Columns[property];

597parentkeyColumns[i] = Tables[parentInfo[0]].Columns[parentInfo[i + 1]]; 604childkeyColumns[i] = Tables[childInfo[0]].Columns[childInfo[i + 1]]; 725foreach (DataColumn column in table.Columns) 1098Tables[i].Columns.FinishInitCollection(); 1221foreach (DataColumn col in table.Columns) 1225ds.Tables[table.TableName, table.Namespace]!.Columns[col.ColumnName]!.CopyExpressionFrom(col); 1283for (int j = 0; j < table.Columns.Count; j++) 1285rowBytes += ((table.Columns[j].ColumnName.Length + 4) << 2);

368info.AddValue("DataTable.Columns.Count", Columns.Count); 382for (int i = 0; i < Columns.Count; i++) 385info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.ColumnName", i), Columns[i].ColumnName); 386info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.Namespace", i), Columns[i]._columnUri); 387info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.Prefix", i), Columns[i].Prefix); 388info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.ColumnMapping", i), Columns[i].ColumnMapping); 389info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.AllowDBNull", i), Columns[i].AllowDBNull); 390info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.AutoIncrement", i), Columns[i].AutoIncrement); 391info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.AutoIncrementStep", i), Columns[i].AutoIncrementStep); 392info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.AutoIncrementSeed", i), Columns[i].AutoIncrementSeed); 393info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.Caption", i), Columns[i].Caption); 394info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.DefaultValue", i), Columns[i].DefaultValue); 395info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.ReadOnly", i), Columns[i].ReadOnly); 396info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.MaxLength", i), Columns[i].MaxLength); 397info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.DataType_AssemblyQualifiedName", i), Columns[i].DataType.AssemblyQualifiedName); 398info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.XmlDataType", i), Columns[i].XmlDataType); 399info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.SimpleType", i), Columns[i].SimpleType); 401info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.DateTimeMode", i), Columns[i].DateTimeMode); 404info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.AutoIncrementCurrent", i), Columns[i].AutoIncrementCurrent); 409info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.Expression", i), Columns[i].Expression); 413info.AddValue(string.Format(formatProvider, "DataTable.DataColumn_{0}.ExtendedProperties", i), Columns[i]._extendedProperties); 455Debug.Assert(Columns.Count == 0, "There is column in Table"); 495Columns.Add(dc); 503Columns[i].Expression = expressions[i]; 612keyColumns[i] = Columns[keyColumnIndexes[i]]; 638parentkeyColumns[i] = parentTable.Columns[parentInfo[i + 1]]; 646childkeyColumns[i] = childTable.Columns[childInfo[i + 1]]; 665int colCount = Columns.Count; 668info.AddValue(string.Format(CultureInfo.InvariantCulture, "DataTable_{0}.DataColumn_{1}.Expression", serIndex, i), Columns[i].Expression); 676int colCount = Columns.Count; 682Columns[i].Expression = expr; 692int colCount = Columns.Count; 744object store = Columns[i].GetEmptyColumnStore(recordCount); 802for (int i = 0; i < Columns.Count; i++) 804Columns[i].SetStorage(storeList[i]!, (BitArray)nullbitList[i]!); 1195Columns.Clear(); 1335foreach (DataColumn column in Columns) 1488foreach (DataColumn column in Columns) 1803if (!rel.ParentTable.Columns.CanRegisterName(value)) 1813rel.ParentTable.Columns.RegisterColumnName(value, null); 1814rel.ParentTable.Columns.UnregisterName(TableName); 1994foreach (DataColumn col in Columns) 2033Columns.FinishInitCollection(); 2035foreach (DataColumn dc in Columns) 2094Columns.Remove(_xmlText); 2100if (value != Columns[value.ColumnName]) 2102Columns.Add(value); 2273DataColumn col = targetRow.Table.Columns[cols[i].ColumnName]!; 2335if (clone.Columns.Count > 0) // To clean up all the schema in strong typed dataset. 2349foreach (DataColumn dc in sourceTable.Columns) 2351if (targetTable.Columns[dc.ColumnName] == null) 2353targetTable.Columns.Add(dc.Clone()); 2370if ((destinationTable != null && destinationTable.Columns.Count > 0)) 2425DataColumnCollection clmns = Columns; 2428clone.Columns.Add(clmns[i].Clone()); 2436clone.Columns[clmns[i].ColumnName]!.CopyExpressionFrom(clmns[i]); 2447key[i] = clone.Columns[pkey[i].Ordinal]; 2711for (int i = 0; i < Columns.Count; i++) 2713if (Columns[i].Site != null) 2715cont.Remove(Columns[i]); 2884foreach (DataColumn column in Columns) 3013DataColumn col = targetRow.Table.Columns[cols[i].ColumnName]!; 3273DataColumn col = targetRow.Table.Columns[cols[i].ColumnName]!; 3469foreach (DataColumn c in Columns) 3744DataColumn? column = Columns[current]; 4052Columns.Clear(); 4856Columns.Add(key); 4860for (int i = Columns.Count - 1; i >= position; i--) 4862Columns[i].SetOrdinalInternal(i + 1); 4864Columns.AddAt(position, key); 4887Columns.Add(foreignKey); 4908int columnsCount = Columns.Count; 4914props[i] = new DataColumnPropertyDescriptor(Columns[i]); 5116foreach (DataColumn dc in Columns) 5155foreach (DataColumn dc in dataRow.Table.Columns) 5287foreach (DataColumn dc in Columns) 5541foreach (DataColumn dc in datatable.Columns) 5780if (Columns.Count == 0) 5795if (Columns.Count == 0) 5924if (!fSchemaFound && Columns.Count == 0) 5943if (!fSchemaFound && Columns.Count == 0) 6022if (Columns.Count == 0) 6048if (Columns.Count == 0) 6175if (Columns.Count == 0) 6225if (Columns.Count == 0) 6252if (Columns.Count == 0) 6549if (Columns.Count == 0) 6632foreach (DataColumn dc in tempTable.Columns) 6649DataSet.Tables[tempTable.TableName, tempTable.Namespace]!.Columns[dc.ColumnName]!.Expression = dc.Expression;

127foreach (DataColumn column in current.Table.Columns) 129table.Columns.Add(column.ColumnName, column.DataType);

288return _currentDataTable.Columns.Count; 517return (_currentDataTable.Columns[ordinal].DataType); 612return (_currentDataTable.Columns[ordinal].ColumnName); 626DataColumn? dc = _currentDataTable.Columns[name]; 765tempSchemaTable.Columns.Add(ColumnName); 766tempSchemaTable.Columns.Add(ColumnOrdinal); 767tempSchemaTable.Columns.Add(ColumnSize); 768tempSchemaTable.Columns.Add(NumericPrecision); 769tempSchemaTable.Columns.Add(NumericScale); 770tempSchemaTable.Columns.Add(DataType); 771tempSchemaTable.Columns.Add(ProviderType); 772tempSchemaTable.Columns.Add(IsLong); 773tempSchemaTable.Columns.Add(AllowDBNull); 774tempSchemaTable.Columns.Add(IsReadOnly); 775tempSchemaTable.Columns.Add(IsRowVersion); 776tempSchemaTable.Columns.Add(IsUnique); 777tempSchemaTable.Columns.Add(IsKeyColumn); 778tempSchemaTable.Columns.Add(IsAutoIncrement); 779tempSchemaTable.Columns.Add(BaseCatalogName); 780tempSchemaTable.Columns.Add(BaseSchemaName); 783tempSchemaTable.Columns.Add(BaseTableName); 784tempSchemaTable.Columns.Add(BaseColumnName); 785tempSchemaTable.Columns.Add(AutoIncrementSeed); 786tempSchemaTable.Columns.Add(AutoIncrementStep); 787tempSchemaTable.Columns.Add(DefaultValue); 788tempSchemaTable.Columns.Add(Expression); 789tempSchemaTable.Columns.Add(ColumnMapping); 790tempSchemaTable.Columns.Add(BaseTableNamespace); 791tempSchemaTable.Columns.Add(BaseColumnNamespace); 793foreach (DataColumn dc in table.Columns)

56_currentDataTable.Columns.ColumnPropertyChanged += new CollectionChangeEventHandler(SchemaChanged); 57_currentDataTable.Columns.CollectionChanged += new CollectionChangeEventHandler(SchemaChanged); 77_currentDataTable.Columns.ColumnPropertyChanged -= new CollectionChangeEventHandler(SchemaChanged); 78_currentDataTable.Columns.CollectionChanged -= new CollectionChangeEventHandler(SchemaChanged);

1076if (!_table!.Columns.Contains(property.Name)) 1695columnNames = new string[Table!.Columns.Count]; 1698columnNames[i] = Table.Columns[i].ColumnName; 1708DataColumn? dc = Table!.Columns[columnNames[i]]; 1713dt.Columns.Add(dc.Clone()); 1714columnIndexes[i] = Table.Columns.IndexOf(dc);

105table.Columns.ColumnPropertyChanged += handlerCollection; 106table.Columns.CollectionChanged += handlerCollection; 128table.Columns.ColumnPropertyChanged -= handlerCollection; 129table.Columns.CollectionChanged -= handlerCollection;

110_column = _childTable.Columns[_columnName];

61_column = parentTable.Columns[_columnName];

42_column = table.Columns[_name];

727iDest = table.Columns.IndexOf(src.ColumnName); 732columns[i] = table.Columns[iDest]; 735iDest = relatedTable.Columns.IndexOf(src.ColumnName); 740relatedColumns[i] = relatedTable.Columns[iDest]; 767int iDest = destination.Columns.IndexOf(src.ColumnName); 772columns[i] = destination.Columns[iDest]; 775iDest = destination.Columns.IndexOf(src.ColumnName); 780relatedColumns[i] = destination.Columns[iDest];

60foreach (DataColumn dc in dt.Columns) 100foreach (DataColumn dc in sourceTable.Columns) 105DataColumn targetColumn = targetTable.Columns[dc.ColumnName]!; 354int oldCount = targetTable.Columns.Count; 355for (int i = 0; i < table.Columns.Count; i++) 357DataColumn src = table.Columns[i]; 358DataColumn? dest = (targetTable.Columns.Contains(src.ColumnName, true)) ? targetTable.Columns[src.ColumnName] : null; 364targetTable.Columns.Add(dest); 396for (int i = oldCount; i < targetTable.Columns.Count; i++) 398targetTable.Columns[i].CopyExpressionFrom(table.Columns[targetTable.Columns[i].ColumnName]!); 414key[i] = targetTable.Columns[tablePKey[i].ColumnName]!; 582parentColumns[i] = parent.Columns[relation.ParentKey.ColumnsReference[i].ColumnName]!; 583childColumns[i] = child.Columns[relation.ChildKey.ColumnsReference[i].ColumnName]!; 640srcColumns[j] = src.Columns[dstColumns[j].ColumnName]!;

197DataColumnCollection columns = dataRow.Table.Columns; 478parentChapterColumn = _dataTable!.Columns[i]; 483parentChapterColumn = _dataTable!.Columns[_indexMap[i]]; 551column.Table?.Columns.Remove(column); 580DataColumnCollection columnCollection = _dataTable.Columns; 583bool alwaysCreateColumns = ((_dataTable.Columns.Count == 0) && ((_tableMapping.ColumnMappings == null) || (_tableMapping.ColumnMappings.Count == 0)) && (mappingAction == MissingMappingAction.Passthrough)); 729columnCollection = _dataTable.Columns; 781|| (0 == _dataTable.Columns.Count)); 800DataColumnCollection columnCollection = _dataTable.Columns; 1140DataColumnCollection columns = schemaRow.Table.Columns;

69for (int i = 0; i < _table.Columns.Count; i++) 71_table.Columns[i].SetCapacity(value); 225int count = _table.Columns.Count; 228DataColumn dstColumn = _table.Columns[i]; 229DataColumn? srcColumn = src.Columns[dstColumn.ColumnName];

299_candidateColumns = new ColumnInfo[_table.Columns.Count]; 363ndxFields[j++] = new IndexField(_table.Columns[i], isDescending: false); 417ndxFields[j++] = new IndexField(_table.Columns[i], isDescending: false);

94this(table, GetAllFields(table.Columns), comparison, recordStates, rowFilter)

110? dataTable.Columns.Cast<DataColumn>().Select(column => column.DataType)

298iDest = table.Columns.IndexOf(src.ColumnName); 301columns[i] = table.Columns[iDest]; 323int iDest = table.Columns.IndexOf(src.ColumnName); 326columns[i] = table.Columns[iDest];

367column = table.Columns[instanceName, _schemaUri]; 482table.Columns.Add(column); 598DataColumn? col = table.Columns[list[i], _schemaUri]; 669table.Columns[0].ColumnName = tbName + "_Column";

202DataColumnCollection columns = row.Table.Columns; 470foreach (DataColumn c in row.Table.Columns) 714DataColumnCollection collection = table.Columns; // Hold column collectio here 885DataColumnCollection collection = table.Columns; // Hold column collectio here

205DataColumn col = table.Columns[XmlConvert.DecodeName(ssync.LocalName), ssync.NamespaceURI]!; 260DataColumn col = table.Columns[XmlConvert.DecodeName(ssync.LocalName), ssync.NamespaceURI]!; 322foreach (DataColumn col in table.Columns) 327foreach (DataColumn col in table.Columns) 378DataColumn? column = table.Columns[ln, ns];

357for (int c = 0; c < table.Columns.Count; c++) 359if (_PropsNotEmpty(table.Columns[c]._extendedProperties)) 433foreach (DataColumn col in dt.Columns) 1612foreach (DataColumn col in table.Columns) 1794DataColumnCollection columns = table.Columns; 1823DataColumn col = table.Columns[0]; 2431int colCount = table.Columns.Count; 2458DataColumn column = table.Columns[colNum]; 2507int colCount = table.Columns.Count; 2536if ((row.Table.Columns[colNum].ColumnMapping == MappingType.Attribute) || 2537(row.Table.Columns[colNum].ColumnMapping == MappingType.Hidden)) 2538GenerateColumn(row, row.Table.Columns[colNum], DataRowVersion.Original); 2542if ((row.Table.Columns[colNum].ColumnMapping == MappingType.Element) || 2543(row.Table.Columns[colNum].ColumnMapping == MappingType.SimpleContent)) 2544GenerateColumn(row, row.Table.Columns[colNum], DataRowVersion.Original); 2779int colCount = row.Table.Columns.Count; 2786DataColumn column = row.Table.Columns[colNum]; 2971foreach (DataColumn col in row.Table.Columns) 3000foreach (DataColumn col in row.Table.Columns)

101if (table.Columns.IndexOf(proposedName) >= 0) 103for (int i = 0; i <= table.Columns.Count; i++) 106if (table.Columns.IndexOf(tempName) >= 0) 492parentKey[i] = parent.Columns[XmlConvert.DecodeName(parentNames[i])]!; 495childKey[i] = child.Columns[XmlConvert.DecodeName(childNames[i])]!; 695foreach (DataColumn dc in dt.Columns) 968foreach (DataColumn dc in table.Columns) 1187DataColumn? col = table.Columns[colName]; 1485if (!FromInference || (isSimpleContent && table.Columns.Count == 0)) 1494while (table.Columns[colName] != null) 1502table.Columns[0].ColumnName = colName; 1503table.Columns[0].ColumnMapping = MappingType.SimpleContent; 1642for (int i = 0; i < table!.Columns.Count; i++) 1643table.Columns[i].SetOrdinalInternal(i); 1731foreach (DataColumn dc in table.Columns) 2003while (table.Columns[colName] != null) 2013if ((!isBase) && (table.Columns.Contains(columnName, true))) 2015column = table.Columns[columnName]!; 2075if (ordinal > -1 && ordinal < table.Columns.Count) 2076table.Columns.AddAt(ordinal, column); 2078table.Columns.Add(column); 2116while (table.Columns[colName] != null) 2127if ((!isBase) && (table.Columns.Contains(columnName, true))) 2129column = table.Columns[columnName]!; 2177if (ordinal > -1 && ordinal < table.Columns.Count) 2178table.Columns.AddAt(ordinal, column); 2180table.Columns.Add(column); 2259if ((!isBase || FromInference) && (table.Columns.Contains(columnName, true))) 2261column = table.Columns[columnName]!; 2321table.Columns.Add(column); 2446if (((!isBase) || FromInference) && (table.Columns.Contains(columnName, true))) 2448column = table.Columns[columnName]!; 2534if (ordinal > -1 && ordinal < table.Columns.Count) 2535table.Columns.AddAt(ordinal, column); 2537table.Columns.Add(column);

95ColumnsSchemaMap = new XmlNodeIdHashtable(tableSchema.Columns.Count); 271foreach (DataColumn c in t.Columns) 307foreach (DataColumn c in t.Columns) 352foreach (DataColumn c in dataTable.Columns) 381foreach (DataColumn c in t.Columns)

123DataColumnCollection columns = table.Columns;

51foreach (DataColumn c in t.Columns) 249DataColumnCollection columns = table.Columns;

320t.Columns.CollectionChanging += new CollectionChangeEventHandler(OnTableColumnsChanging); 322foreach (DataColumn col in t.Columns) 368foreach (DataColumn col in dt.Columns) 672foreach (DataColumn col in row.Table.Columns) 818DataColumnCollection columns = row.Table.Columns; 1636foreach (DataColumn c in row.Table.Columns) 1642foreach (DataColumn c in row.Table.Columns) 2113foreach (DataColumn c in row.Table.Columns) 2130foreach (DataColumn c in row.Table.Columns) 2540foreach (DataColumn c in row.Table.Columns) 2554foreach (DataColumn c in row.Table.Columns)

405foreach (DataColumn col in row.Table.Columns) 547DataColumnCollection columns = table.Columns; 568DataColumnCollection columns = table.Columns;

71destinationColumns = destinationTable.Columns; 107DataColumn populationStringColumn = metaDataCollectionsTable.Columns[_populationString]!; 108DataColumn numberOfRestrictionsColumn = metaDataCollectionsTable.Columns[_numberOfRestrictions]!; 109DataColumn collectionNameColumn = metaDataCollectionsTable.Columns[_collectionName]!; 174resultTable.Columns.Add(row["ColumnName"] as string, (Type)row["DataType"]); 176object[] values = new object[resultTable.Columns.Count]; 193foreach (DataColumn sourceColumn in sourceTable.Columns) 209foreach (DataColumn sourceColumn in sourceTable.Columns) 235DataColumn? collectionNameColumn = metaDataCollectionsTable.Columns[DbMetaDataColumnNames.CollectionName]; 316DataColumn? versionColumn = dataSourceInfoTable.Columns[_dataSourceProductVersion]; 317DataColumn? normalizedVersionColumn = dataSourceInfoTable.Columns[_dataSourceProductVersionNormalized]; 352restrictionColumns = restrictionsTable.Columns; 393DataColumn populationMechanismColumn = metaDataCollectionsTable.Columns[_populationMechanism]!; 394DataColumn collectionNameColumn = metaDataCollectionsTable.Columns[DbMetaDataColumnNames.CollectionName]!; 506DataColumnCollection tableColumns = requestedCollectionRow.Table.Columns;

2191DataColumnCollection columns = schematable.Columns; 2249DataColumn columnName = schematable.Columns["ColumnName"]!; 2250DataColumn columnOrdinal = schematable.Columns["ColumnOrdinal"]!; 2251DataColumn columnSize = schematable.Columns["ColumnSize"]!; 2252DataColumn numericPrecision = schematable.Columns["NumericPrecision"]!; 2253DataColumn numericScale = schematable.Columns["NumericScale"]!; 2254DataColumn dataType = schematable.Columns["DataType"]!; 2255DataColumn providerType = schematable.Columns["ProviderType"]!; 2256DataColumn isLong = schematable.Columns["IsLong"]!; 2257DataColumn allowDBNull = schematable.Columns["AllowDBNull"]!; 2258DataColumn isReadOnly = schematable.Columns["IsReadOnly"]!; 2259DataColumn isRowVersion = schematable.Columns["IsRowVersion"]!; 2260DataColumn isUnique = schematable.Columns["IsUnique"]!; 2261DataColumn isKey = schematable.Columns["IsKey"]!; 2262DataColumn isAutoIncrement = schematable.Columns["IsAutoIncrement"]!; 2263DataColumn baseSchemaName = schematable.Columns["BaseSchemaName"]!; 2264DataColumn baseCatalogName = schematable.Columns["BaseCatalogName"]!; 2265DataColumn baseTableName = schematable.Columns["BaseTableName"]!; 2266DataColumn baseColumnName = schematable.Columns["BaseColumnName"]!;

75DataColumn populationMechanism = metaDataCollectionsTable.Columns[_populationMechanism]!; 76DataColumn collectionName = metaDataCollectionsTable.Columns[_collectionName]!; 80restrictionCollectionName = restrictionsTable.Columns[_collectionName]; 199DataColumn typeNameColumn = dataTypesTable.Columns[DbMetaDataColumnNames.TypeName]!; 200DataColumn providerDbTypeColumn = dataTypesTable.Columns[DbMetaDataColumnNames.ProviderDbType]!; 201DataColumn columnSizeColumn = dataTypesTable.Columns[DbMetaDataColumnNames.ColumnSize]!; 202DataColumn createParametersColumn = dataTypesTable.Columns[DbMetaDataColumnNames.CreateParameters]!; 203DataColumn dataTypeColumn = dataTypesTable.Columns[DbMetaDataColumnNames.DataType]!; 204DataColumn isAutoIncermentableColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsAutoIncrementable]!; 205DataColumn isCaseSensitiveColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsCaseSensitive]!; 206DataColumn isFixedLengthColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsFixedLength]!; 207DataColumn isFixedPrecisionScaleColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsFixedPrecisionScale]!; 208DataColumn isLongColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsLong]!; 209DataColumn isNullableColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsNullable]!; 210DataColumn isSearchableColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchable]!; 211DataColumn isSearchableWithLikeColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsSearchableWithLike]!; 212DataColumn isUnsignedColumn = dataTypesTable.Columns[DbMetaDataColumnNames.IsUnsigned]!; 213DataColumn maximumScaleColumn = dataTypesTable.Columns[DbMetaDataColumnNames.MaximumScale]!; 214DataColumn minimumScaleColumn = dataTypesTable.Columns[DbMetaDataColumnNames.MinimumScale]!; 215DataColumn literalPrefixColumn = dataTypesTable.Columns[DbMetaDataColumnNames.LiteralPrefix]!; 216DataColumn literalSuffixColumn = dataTypesTable.Columns[DbMetaDataColumnNames.LiteralSuffix]!; 217DataColumn SQLTypeNameColumn = dataTypesTable.Columns[OdbcMetaDataColumnNames.SQLType]!; 979DataColumn? reservedWordColumn = reservedWordsTable.Columns[DbMetaDataColumnNames.ReservedWord]; 1071resultTable.Columns.Add(row["ColumnName"] as string, (Type)row["DataType"]); 1074values = new object[resultTable.Columns.Count];

215dt.Columns.Add("Name"); 216dt.Columns.Add("Age");

2873dt.Columns.Add("Name"); 2874dt.Columns.Add("Age");

23dataTable.Columns.Add(columnName: "name"); 51dataTable.Columns.Add(columnName: "name");

181customerDataTable.Columns.Add(customerIdDataColumn); 182customerDataTable.Columns.Add(customerNameDataColumn); 183customerDataTable.Columns.Add(currentDataColumn); 189orderDataTable.Columns.Add(orderAmountDataColumn); 190orderDataTable.Columns.Add(idDataColumn); 191orderDataTable.Columns.Add(orderDateDataColumn);