Example #1
0
        public void InsertStudent(Student student)
        {
            SqlConnection conn = new SqlConnection(connectionString);
            SqlCommand cmd = new SqlCommand();
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.CommandText = "spAddStudents";
            cmd.Connection = conn;

            cmd.Parameters.Add("@name", SqlDbType.VarChar).Value = student.Name;
            cmd.Parameters.Add("@dob", SqlDbType.Date).Value = student.DOB;
            cmd.Parameters.Add("@gpa", SqlDbType.Decimal).Value = student.GradePointAverage;
            cmd.Parameters.Add("@isActive", SqlDbType.Bit).Value = student.IsActive;
            conn.Open();
            cmd.ExecuteNonQuery();
        }
Example #2
0
 /// <summary>
 /// 获得数据列表
 /// </summary>
 public static List<Student> GetStudentList()
 {
     SqlConnection conn = new SqlConnection(connStr);
     conn.Open();
     SqlDataReader sqlDataReader = null;
     List<Student> studentList = new List<Student>();
     StringBuilder strSql = new StringBuilder();
     strSql.Append("select Stu_Number,Stu_Name,Extra ");
     strSql.Append(" FROM Students ");
     //if (strWhere.Trim() != "")
     //{
     //    strSql.Append(" where " + strWhere);
     //}
     SqlCommand cmd = new SqlCommand(strSql.ToString(), conn);
     sqlDataReader = cmd.ExecuteReader();
     while (sqlDataReader.Read())
     {
         //循环读出所有学生
         Student student = new Student((string)sqlDataReader["Stu_Number"]);
         student.Name = (string)sqlDataReader["Stu_Name"];
         student.Extra = (string)sqlDataReader["Extra"];
         studentList.Add(student);  //加入学生集合
     }
     conn.Close();
     return studentList;
 }
Example #3
0
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public static bool UpdateStudent(Student model)
        {
            int number;
            SqlConnection conn = new SqlConnection(connStr);
            conn.Open();
            SqlCommand cmd = null;
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update Students set ");
            strSql.Append("Stu_Name=@Stu_Name,");
            strSql.Append("Extra=@Extra");
            strSql.Append(" where Stu_Number=@Stu_Number ");
            SqlParameter[] parameters = {
                    new SqlParameter("@Stu_Name", SqlDbType.NVarChar,20),
                    new SqlParameter("@Extra", SqlDbType.Text),
                    new SqlParameter("@Stu_Number", SqlDbType.NVarChar,20)};
            parameters[0].Value = model.Name;
            parameters[1].Value = model.Extra;
            parameters[2].Value = model.Number;
            cmd = new SqlCommand(strSql.ToString(), conn);
            foreach (SqlParameter para in parameters)
            {
                cmd.Parameters.Add(para);
            }
            number = (int)cmd.ExecuteNonQuery();
            conn.Close();
            if (number == 0)
            {

                return false;
            }
            else
            {
                return true;
            }
        }
Example #4
0
 /// <summary>
 /// 制造一个学生对象
 /// </summary>
 /// <returns></returns>
 private Student CreateAStudent()
 {
     Student student = new Student(txtStudentNumber.Text);
     student.Name = txtStudentName.Text;
     student.Extra = txtStudentExtra.Text;
     return student;
 }