Пополнение таблицы (Sql server)

private void CreateTestTable()
{
    System.Data.SqlClient.SqlConnection tmpConn;
    string sqlCreateDBQuery;
    tmpConn = new SqlConnection();
    tmpConn.ConnectionString= "workstation id="+serverid.Text+";packet size=4096;integrated security=SSPI;data source=\".\"" +";persist security info=False;initial catalog="+dbname.Text;
    sqlCreateDBQuery ="CREATE table "+Form1.testname+ "(num smallint not null, quest nvarchar(500) not null,"+"firstAns nvarchar(200) not null, secondAns nvarchar(200) not null,"+"thirdAns nvarchar(200) not null,fourthAns nvarchar(200) not null,correctAns smallint not null)";
    SqlCommand myCommand = new SqlCommand (sqlCreateDBQuery, tmpConn);
    try
    {
        tmpConn.Open();
        MessageBox.Show(sqlCreateDBQuery);
        myCommand.ExecuteNonQuery();           
        MessageBox.Show("Таблица успешно создано!", "Create table", MessageBoxButtons.OK, MessageBoxIcon.Information);
    }
    catch (System.Exception ex)
    {
        MessageBox.Show(ex.ToString(), "Create Table", MessageBoxButtons.OK, MessageBoxIcon.Information);
    }
    finally
    {  
        tmpConn.Close();               
    }          
    return;    
}