datagrid show if only table has one record

no effects sir

 hi


 try it..


private void all_data()
        {
            if (connectiondb.State == ConnectionState.Closed)
            {
                connectiondb.Open();
            }


            string all_data_query = "Select * from tbl_result";
            OleDbCommand com = new OleDbCommand(all_data_query, connectiondb);
            com.CommandType = CommandType.Text;
            OleDbDataAdapter da = new OleDbDataAdapter(com);
            DataTable dt = new DataTable();
            da.Fill(dt);
            this.dataGridView1.DataSource = dt;
            connectiondb.Close();




        }

 only Change..

  oledb to sql