internal void Create(User user) { string sqlExpression = $"INSERT INTO [dbo].[Users] ([Name],[Login],[HashPass],[RoleId])" + $" Values ({ user.Name.WithPartipiants()},{user.Login.WithPartipiants()},{Credentalis.HashPassword("Test").WithPartipiants()},{user.RoleID})"; using (SqlConnection connection = DbConnector.GetConnection) { SqlCommand command = new SqlCommand(sqlExpression, connection); int number = command.ExecuteNonQuery(); } }