private void Form1_Load(object sender, EventArgs e) { listView1.View = View.Details; listView1.Columns.Add("FirstName"); listView1.Columns.Add("LastName"); listView1.Columns.Add("Address"); listView1.Columns.Add("Age"); listView1.Columns.Add("GrossMoPay"); listView1.Columns.Add("DeptID"); listView1.Columns.Add("DevType"); listView1.Columns.Add("TaxType"); listView1.Columns.Add("AnnaulTax"); listView1.Columns.Add("AnnualNetPay"); // List<T> object for holding the JSON file information. List <Employee> empList = new List <Employee>(); using (StreamReader sr = new StreamReader("data.json")) { string jsonFile = sr.ReadToEnd(); empList = JsonConvert.DeserializeObject <List <Employee> >(jsonFile); } // 'match' for seacrhing and placing the right block of employee information // within the proper class. First names are used for filtering. Employee match = empList.Find(em => em.FirstName == "John"); var emp1 = new W2 { FirstName = match.FirstName, LastName = match.LastName, Address = match.Address, Age = match.Age, GrossMoPay = match.GrossMoPay, DeptID = match.DeptID, DevType = match.DevType, TaxType = match.TaxType }; emp1.AnnualPay = Convert.ToDouble(emp1.GrossMoPay); emp1.TaxCalc(); string[] item = emp1.GetInfo(); var im = new ListViewItem(item); listView1.Items.Add(im); match = empList.Find(em => em.FirstName == "Mary"); var emp2 = new T1099 { FirstName = match.FirstName, LastName = match.LastName, Address = match.Address, Age = match.Age, GrossMoPay = match.GrossMoPay, DeptID = match.DeptID, DevType = match.DevType, TaxType = match.TaxType }; emp2.AnnualPay = Convert.ToDouble(emp2.GrossMoPay); emp2.TaxCalc(); item = emp2.GetInfo(); im = new ListViewItem(item); listView1.Items.Add(im); match = empList.Find(em => em.FirstName == "Angela"); var emp3 = new T1099 { FirstName = match.FirstName, LastName = match.LastName, Address = match.Address, Age = match.Age, GrossMoPay = match.GrossMoPay, DeptID = match.DeptID, DevType = match.DevType, TaxType = match.TaxType }; emp3.AnnualPay = Convert.ToDouble(emp3.GrossMoPay); emp3.TaxCalc(); item = emp3.GetInfo(); im = new ListViewItem(item); listView1.Items.Add(im); match = empList.Find(em => em.FirstName == "Michael"); var emp4 = new W2 { FirstName = match.FirstName, LastName = match.LastName, Address = match.Address, Age = match.Age, GrossMoPay = match.GrossMoPay, DeptID = match.DeptID, DevType = match.DevType, TaxType = match.TaxType }; emp4.AnnualPay = Convert.ToDouble(emp4.GrossMoPay); emp4.TaxCalc(); item = emp4.GetInfo(); im = new ListViewItem(item); listView1.Items.Add(im); listView1.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize); }