System.Data.ProviderBase.SchemaMapping.AddAdditionalProperties C# (CSharp) Method

        private void AddAdditionalProperties(DataColumn targetColumn, DataRow schemaRow)
        {
            DataColumnCollection columns = schemaRow.Table.Columns;
            DataColumn column;

            column = columns[SchemaTableOptionalColumn.DefaultValue];
            if (null != column)
            {
                targetColumn.DefaultValue = schemaRow[column];
            }

            column = columns[SchemaTableOptionalColumn.AutoIncrementSeed];
            if (null != column)
            {
                object value = schemaRow[column];
                if (DBNull.Value != value)
                {
                    targetColumn.AutoIncrementSeed = ((IConvertible)value).ToInt64(CultureInfo.InvariantCulture);
                }
            }

            column = columns[SchemaTableOptionalColumn.AutoIncrementStep];
            if (null != column)
            {
                object value = schemaRow[column];
                if (DBNull.Value != value)
                {
                    targetColumn.AutoIncrementStep = ((IConvertible)value).ToInt64(CultureInfo.InvariantCulture);
                }
            }

            column = columns[SchemaTableOptionalColumn.ColumnMapping];
            if (null != column)
            {
                object value = schemaRow[column];
                if (DBNull.Value != value)
                {
                    targetColumn.ColumnMapping = (MappingType)((IConvertible)value).ToInt32(CultureInfo.InvariantCulture);
                }
            }

            column = columns[SchemaTableOptionalColumn.BaseColumnNamespace];
            if (null != column)
            {
                object value = schemaRow[column];
                if (DBNull.Value != value)
                {
                    targetColumn.Namespace = ((IConvertible)value).ToString(CultureInfo.InvariantCulture);
                }
            }

            column = columns[SchemaTableOptionalColumn.Expression];
            if (null != column)
            {
                object value = schemaRow[column];
                if (DBNull.Value != value)
                {
                    targetColumn.Expression = ((IConvertible)value).ToString(CultureInfo.InvariantCulture);
                }
            }
        }