how to insert radio button value in windows forms

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.SqlClient; namespace Insert_radiobutton_value_windows { public partial class Form1 : Form { SqlConnection con = new SqlConnection(@"server = HOME-SAT/SQLEXPRESS;data source = .; initial catalog = test; user id=sa;pwd =pintu ;integrated security = SSPI"); SqlCommand com; public Form1() { InitializeComponent(); } private void btn_insert_Click(object sender, EventArgs e) { if (txtName.Text == "") { MessageBox.Show("Please enter name"); txtName.Focus(); } else if (rbtn_male.Checked == false && rbtn_female.Checked == false) { MessageBox.Show("Please select radiobutton"); } else if (rbtn_male.Checked == true) { com = new SqlCommand(); com.Connection = con; com.CommandType = CommandType.Text; com.CommandText = "insert into register values(@Name,@Gender)"; com.Parameters.Clear(); com.Parameters.AddWithValue("@Name", txtName.Text); com.Parameters.AddWithValue("@Gender", rbtn_male.Text); if (con.State == ConnectionState.Closed) con.Open(); com.ExecuteNonQuery(); con.Close(); MessageBox.Show("Data entered successfully!!!"); clear(); } else { com = new SqlCommand(); com.Connection = con; com.CommandType = CommandType.Text; com.CommandText = "insert into register values(@Name,@Gender)"; com.Parameters.Clear(); com.Parameters.AddWithValue("@Name", txtName.Text); com.Parameters.AddWithValue("@gender", rbtn_female.Text); if (con.State == ConnectionState.Closed) con.Open(); com.ExecuteNonQuery(); con.Close(); MessageBox.Show("Data entered successfully!!!"); clear(); } } void clear() { txtName.Text = ""; rbtn_male.Checked = false; rbtn_female.Checked = false; } } }