// Select function by ID
                    public image_validation AdminListById(string data)
                    {
                        // Image Validation object creation
                        var imagevalidation_obj = new image_validation();

                        try
                        {
                            // Initialization
                            SqlConnection conn;
                            SqlDataReader rdr;
                            SqlCommand    cmd;

                            var id = Convert.ToInt32(data);

                            using (conn = new SqlConnection(connectionString))
                            {
                                // Selecting all the rows in the image validation
                                cmd = new SqlCommand("SELECT * FROM imagevalidation where id ='" + id + "'", conn);
                                conn.Open();

                                rdr = cmd.ExecuteReader();
                                while (rdr.Read())
                                {
                                    imagevalidation_obj.id = (int)rdr["id"];
                                    imagevalidation_obj.validation_type    = rdr["validation_type"].ToString();
                                    imagevalidation_obj.validation_message = rdr["validation_message"].ToString();
                                    imagevalidation_obj.isactive           = (int)rdr["isactive"];
                                }
                                conn.Close();
                            }
                            // Returning object
                            return(imagevalidation_obj);
                        }
                        catch (Exception e)
                        {
                            error = e.Message;
                            return(imagevalidation_obj);
                        }
                    }
                    // Select function
                    public List <image_validation> AdminList()
                    {
                        // Image Validation List creation
                        var imagevalidation_list = new List <image_validation>();

                        try
                        {
                            using (SqlConnection conn = new SqlConnection(connectionString))
                            {
                                // Selecting all rows in image validation table
                                SqlCommand cmd = new SqlCommand("SELECT * FROM imagevalidation", conn);
                                //Connection Open
                                conn.Open();
                                SqlDataReader rdr = cmd.ExecuteReader();
                                while (rdr.Read())
                                {
                                    //Creating Image Validation Object
                                    var imagevalidation_obj = new image_validation();
                                    imagevalidation_obj.id = (int)rdr["id"];
                                    imagevalidation_obj.validation_type    = rdr["validation_type"].ToString();
                                    imagevalidation_obj.validation_message = rdr["validation_message"].ToString();
                                    imagevalidation_obj.isactive           = (int)rdr["isactive"];
                                    // Adding object file to Model file
                                    imagevalidation_list.Add(imagevalidation_obj);
                                }
                                //Connection Close
                                conn.Close();
                            }
                            // returning the List
                            return(imagevalidation_list);
                        }
                        catch (Exception e)
                        {
                            error = e.Message;
                            return(imagevalidation_list);
                        }
                    }