auto generate insert script

DECLARE @TableName VARCHAR(128);

SET @TableName = 'Order_Item'

DECLARE @FieldInfo TABLE(FieldName SYSNAME, TypeName SYSNAME);



INSERT INTO @FieldInfo

SELECT c.[name],t.[name]

FROM sys.[columns] c

JOIN sys.types t ON t.user_type_id = c.user_type_id

WHERE c.[object_id] = OBJECT_ID(@TableName);



DECLARE @sql VARCHAR(MAX);

SET @sql = 'select ''insert into ' + @TableName + '(';



SELECT @sql = @sql + FieldName + ','

FROM @FieldInfo



SET @sql = LEFT(@sql,LEN(@sql) - 1) + ') values('''



SELECT 

	@sql = @sql + '

		+ case when ' + FieldName + ' is null then ''NULL'' else '

	+ CASE WHEN TypeName IN('char', 'varchar') THEN ''''''''' + ' + FieldName + ' + ''''''''' 

	ELSE 'cast(' + FieldName + ' as varchar)'

	END + ' end + '','''

FROM @FieldInfo



SET @sql = LEFT(@sql, LEN(@sql) - 2) + ')'' from ' + @TableName

SELECT @sql