怎么用命令建数据库

//创建SQL Server数据库
        string MySQL = "use master;" +
        "IF DB_ID(N'MyDatabase') IS NOT NULL " +
        "DROP DATABASE MyDatabase;" +
        "CREATE DATABASE MyDatabase " +
        "ON(NAME=MyDatabase_dat,FILENAME=\"C:\\MyDatabase.mdf\",SIZE=[color=#800000; font-weight: bold]5[/color],MAXSIZE=[color=#800000; font-weight: bold]10[/color],FILEGROWTH=[color=#800000; font-weight: bold]1[/color]) " +
        "LOG ON(NAME=MyDatabase_log,FILENAME=\"C:\\MyDatabase.ldf\",SIZE=[color=#800000; font-weight: bold]2[/color],MAXSIZE=[color=#800000; font-weight: bold]5[/color],FILEGROWTH=[color=#800000; font-weight: bold]1[/color])";
        SqlConnection MyConnection = new SqlConnection("Data Source=.;Initial Catalog=;Integrated Security=True");
        SqlCommand MyCommand = new SqlCommand(MySQL, MyConnection);
        try
        {
            MyCommand.Connection.Open();
            MyCommand.ExecuteNonQuery();
            MessageBox.Show("成功创建数据库", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }
        finally
        {
            MyConnection.Close();
        }