Can not bind data on gridview
my table has values.but i didn't get into my gridview...code is given below////
con.Open();
cmd = new SqlCommand();
cmd.CommandText= "select * from gridview ";
cmd.Connection = con;
da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
gv_home.DataSource = ds;
gv_home.DataBind();
con.Close();