sql server table class yapan kodumuz: Kaynak: https://stackoverflow.com/questions/5873170/generate-class-from-database-table

table_To_class.sql

create function ProperCase(@Text as varchar(8000))
returns varchar(8000)
as
begin
   declare @Reset bit;
   declare @Ret varchar(8000);
   declare @i int;
   declare @c char(1);

   select @Reset = 1, @i=1, @Ret = '';

   while (@i <= len(@Text))
    select @c= substring(@Text,@i,1),
               @Ret = @Ret + case when @Reset=1 then UPPER(@c COLLATE Latin1_General_CS_AS) else LOWER(@c) end,
               @Reset = case when @c like '[a-zA-Z]' then 0 else 1 end,
               @i = @i +1
   return REPLACE(@Ret,'_','') 
end
GO
 

declare @TableName sysname = 'companies'
declare @Result varchar(max) = 'public class ' + dbo.ProperCase(@TableName) + '
{'

select @Result = @Result + '
    [Column("'+ColumnName+'",TypeName="'+ColumnTypeSql+'")]
    public ' + ColumnType + NullableSign + ' ' + dbo.ProperCase(ColumnName) + ' { get; set; }
'
from
(
    select 
        replace(col.name, ' ', '_') ColumnName,
        column_id ColumnId,
				typ.name ColumnTypeSql,
        case typ.name 
            when 'bigint' then 'long'
            when 'binary' then 'byte[]'
            when 'bit' then 'bool'
            when 'char' then 'string'
            when 'date' then 'DateTime'
            when 'datetime' then 'DateTime'
            when 'datetime2' then 'DateTime'
            when 'datetimeoffset' then 'DateTimeOffset'
            when 'decimal' then 'decimal'
            when 'float' then 'float'
            when 'image' then 'byte[]'
            when 'int' then 'int'
            when 'money' then 'decimal'
            when 'nchar' then 'string'
            when 'ntext' then 'string'
            when 'numeric' then 'decimal'
            when 'nvarchar' then 'string'
            when 'real' then 'double'
            when 'smalldatetime' then 'DateTime'
            when 'smallint' then 'short'
            when 'smallmoney' then 'decimal'
            when 'text' then 'string'
            when 'time' then 'TimeSpan'
            when 'timestamp' then 'DateTime'
            when 'tinyint' then 'byte'
            when 'uniqueidentifier' then 'Guid'
            when 'varbinary' then 'byte[]'
            when 'varchar' then 'string'
            else 'UNKNOWN_' + typ.name
        end ColumnType,
        case 
            when col.is_nullable = 1 and typ.name in ('bigint', 'bit', 'date', 'datetime', 'datetime2', 'datetimeoffset', 'decimal', 'float', 'int', 'money', 'numeric', 'real', 'smalldatetime', 'smallint', 'smallmoney', 'time', 'tinyint', 'uniqueidentifier') 
            then '?' 
            else '' 
        end NullableSign
    from sys.columns col
        join sys.types typ on
            col.system_type_id = typ.system_type_id AND col.user_type_id = typ.user_type_id
    where object_id = object_id(@TableName)
) t
order by ColumnId

set @Result = @Result  + '
}'

print @Result

GO
drop function ProperCase