title: cannot implicitly convert system.data.dataset to string error in c#
body: <p>this is my code</p>
  
  <pre><code>private void button3_Click(object sender, EventArgs e)
  {
      ds= new DataSet();
      sda=new SqlDataAdapter("select * from empdtl",econ.con);
      sda.Fill(ds,"empdtl");
  
      dataGridView1.DataMember = ds;
      dataGridView1.DataSource = "empdtl";
  }
  </code></pre>