private void TransactionReport_Load(object sender, EventArgs e) { //grdTransactionDetails.DataSource = transactions.GetAll(); grdTransactionDetails.AutoGenerateColumns = false; grdTransactionDetails.Columns["Id"].DataPropertyName = "Id"; grdTransactionDetails.Columns["Medicine"].DataPropertyName = "MedicineId"; grdTransactionDetails.Columns["Amount"].DataPropertyName = "Amount"; grdTransactionDetails.Columns["Profit"].DataPropertyName = "Profit"; grdTransactionDetails.Columns["Date"].DataPropertyName = "Date"; List <Transaction> transaction = new List <Transaction>(); transaction = transactions.GetAll(); grdTransactionDetails.DataSource = transaction; }