select ROW_NUMBER() over (order by name)  as id,name into #t from sysobjects where xtype='U';
declare @i int,@c int set @i=0
select @c=count(1) from #t

declare @Result varchar(max),@TableName varchar(50)
set @Result=''
print @Result
while @i<@c
begin

set @i=@i+1
select @TableName=name from #t where
 
 id=@i
set @Result=@Result+ '
/// <summary>
///  ' +  @TableName +    
'    
/// </summary>
[Table("'+@TableName+'")]
public class ' + @TableName + '
{'

select @Result = @Result + '
    /// <summary>
    /// ' +  CONVERT(NVARCHAR(500), ISNULL(ColName, '無')) +    
'    
    /// </summary>'+case when
 
 ColumnName='id' then '
    [Key]' else '' end+'
    public ' + ColumnType + NullableSign + ' ' + ColumnName + ' { get; set; }
'
from
(
    SELECT
        replace(col.name, ' ', '_') ColumnName,
        column_id ColumnId,
        prop.value ColName,
        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 'char'
            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
            LEFT JOIN sys.extended_properties prop ON col.object_id = prop.major_id AND col.column_id = prop.minor_id
    where object_id = object_id(@TableName)
) t

set @Result = @Result  + '
}'

end 
drop table #t
print @Result

根據

【SQL騷操作】SqlServer資料庫表生成C# Model實體類SQL語句

進行修改