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January 17, 2024 03:25
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Generate c# class from SQL Server Table
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declare @TableName sysname = 'YOUR_TABLE_NAME_HERE' | |
declare @Result varchar(max) = 'public class ' + @TableName + ' | |
{' | |
select @Result = @Result + ' | |
public ' + ColumnType + NullableSign + ' ' + ColumnName + ' { get; set; } | |
' | |
from | |
( | |
select | |
replace(col.name, ' ', '_') ColumnName, | |
column_id ColumnId, | |
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 |
the exact code I'm looking for :D
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