C# .NET - transfer data from textboxes to data grid view

Asked By ram on 21-Dec-10 08:43 AM
i have four text boxes .i want to transfer data of textboxes in grid view...bt it transfer only one textbox data...whats the problem.. my textboxes are calculting weightages of subjects marks
here is code :
 private void button6_Click(object sender, EventArgs e)
{
 int j = 1; // index
  double x = Convert.ToDouble(Convert.ToDouble(textBox11.Text) * Convert.ToDouble(comboBox1.SelectedItem) / Convert.ToDouble(textBox12.Text));
           

     double y = Convert.ToDouble(Convert.ToDouble(textBox1.Text+ textBox5.Text) / Convert.ToDouble(textBox7.Text)) * Convert.ToDouble(comboBox2.SelectedItem);

  

          double x2 = Convert.ToDouble(Convert.ToDouble(textBox2.Text) * Convert.ToDouble(comboBox4.SelectedItem) / Convert.ToDouble(textBox13.Text));
          
           double x3 = Convert.ToDouble(Convert.ToDouble(textBox4.Text) * Convert.ToDouble(comboBox5.SelectedItem) / Convert.ToDouble(textBox14.Text));
       
           double x4= Convert.ToDouble(Convert.ToDouble(textBox7.Text) * Convert.ToDouble(comboBox6.SelectedItem) / Convert.ToDouble(textBox15.Text));
          
            try
            {
                object[] values = {
                         j,textBox3.Text,x,x3,x4                                   
                                     };
                dt.Rows.Add(values);
                lb.DataSource = dt;
             

                 j = j + 1;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
Web Star replied to ram on 21-Dec-10 02:44 PM
Better is you can use list and add data from textboxed to that list and rebind datasource
List<double> myList = GetDatasourceList();
  myList.Add(textboxid.Text.ToString());
  lb.DataSource = myList;