Insert values to SQL Database using c# windows application

Check below Submit button code...........................

 private void button1_Click(object sender, EventArgs e)

        {

            SqlConnection con = new SqlConnection("YOUR CONNECTION SET HERE");

            con.Open();

            SqlDataAdapter da = new SqlDataAdapter("insert into empdetails(empid, empname, empdept, empsalary)values('"+txtId.Text+"','"+txtName.Text+"','"+txtDep.Text+"','"+txtSalary.Text+"')",con);

            DataSet ds = new DataSet();

            da.Fill(ds);

            MessageBox.Show("Record insert successful.....!");

             txtName.Text="";

            txtDep.Text="";

            txtSalary.Text="";

        }