private void View_Data() { dt.Clear(); using (OleDbConnection con = new OleDbConnection(OledbCon)) { string query = "Select * From Master_Data"; using (OleDbDataAdapter sda = new OleDbDataAdapter(query, con)) { sda.Fill(dt); InventoryData.DataSource = dt; InventoryData.AutoResizeColumns(); InventoryData.AutoResizeRows(); } } }