问不使用向导c#创建数据库

EN

 class Program
{

  static  string strcon = @"user id  = sde ; password = passrd;
    server =dfgserver;database =valrollclients";


   static SqlCommand cmdinserted = new SqlCommand();
   static SqlConnection con; //declaring a connection object 

    static void Main(string[] args)
    {


        cmdinserted.CommandText = "[dbo].[prcinsert_client]";


        cmdinserted.CommandTimeout = 0;


        cmdinserted.CommandType = CommandType.StoredProcedure; 



        cmdinserted.Connection = con; 
        cmdinserted.Parameters.Add("@client_name",
            SqlDbType.VarChar, 12).Value = "me";

        cmdinserted.Parameters.Add("@client_lastname",
           SqlDbType.VarChar, 15).Value = "abutair";

        cmdinserted.Parameters.Add("@client_age ",
           SqlDbType.Int, 4).Value = 4;

        try
        {
            con.Open(); //open connection

            cmdinserted.ExecuteNonQuery(); //execute the stored procedure

            con.Close();//close connection
        }
        catch (SqlException) //catch an error
        {
            throw; //throw it back to the calling method 
        }