using System; public class Test { public static void Main() { // your code goes here } private void button3_Click(object sender, EventArgs e) { try { DataRow dr = nBA_DataSet.Tables["Players"].NewRow(); dr["ORANK"] = 1; dr["NAME"] = "Michael Jordan"; dr["GP"] = 52; dr["FGM"] = 18.6; dr["FGA"] = 25.4; dr["FTM"] = 6.3; dr["FTA"] = 8.0; dr["THREEPTM"] = 5.2; dr["PTS"] = 38.6; dr["REB"] = 10.6; dr["AST"] = 7.6; dr["ST"] = 4.6; dr["BLK"] = 3.6; dr["TO"] = 2.6; dr["STATUS"] = "in"; nBA_DataSet.Tables["Players"].Rows.Add(dr); playersTableAdapter.Update(nBA_DataSet); MessageBox.Show("insert success"); } catch (InvalidCastException error) { MessageBox.Show(error.Message.ToString()); } } }