private void button2_Click(object sender, EventArgs e)
 {
     if (textBox2.Text != "Team Name" && textBox2.Text != "" && selectedFile != null)
     {
         UpdateDBLin ul = new UpdateDBLin();
         MessageBox.Show(ul.InsertTeam(textBox2.Text, selectedFile));
     }
     else
     {
         MessageBox.Show("Enter Valid Info");
     }
 }