제목 : 예제. Command 클래스를 사용한 Insert문 실행
    
    
 
    
	
        
        
		
		
		 
		
	
	
    
	using System; using System.Data; using System.Data.SqlClient;
namespace dotnetkorea.com{
    public class Connection클래스{
        public static void Main(){
            string strCon = "server=localhost;database=dotnet;" 
                + "user id=dotnet;password=dotnet";            
            SqlConnection objCon = new SqlConnection(strCon);
            try{
                objCon.Open();
                Console.WriteLine("데이터베이스와 연결되었습니다.");
                SqlCommand objCmd = new SqlCommand();
                objCmd.Connection = objCon;
                string strSql = "Insert Dotnet Values(@ID, @Pwd)";
                objCmd.CommandText = strSql;
                objCmd.CommandType = CommandType.Text;
                SqlParameter objPrm = new SqlParameter();
                objPrm.ParameterName = "@ID";
                objPrm.SqlDbType = SqlDbType.VarChar;
                objPrm.Size = 10;
                objCmd.Parameters.Add(objPrm);
                objCmd.Parameters["@ID"].Value = "RedPlus";
                objCmd.Parameters.Add("@Pwd", SqlDbType.VarChar, 10);
                objCmd.Parameters["@Pwd"].Value = "1234";
                objCmd.ExecuteNonQuery();
                Console.WriteLine("데이터가 정상적으로 입력되었습니다.");
            }
            catch(Exception e){
                Console.WriteLine("아래와 같은 사항으로 예외가 발생하였습니다.");
                Console.WriteLine("이유 : " + e.Message);
            }
            finally{
                objCon.Close();
                Console.WriteLine("데이터베이스와 연결이 종료 되었습니다.");
            }
        }
    }
}