/// <summary>
 /// Function to fill datagridview
 /// </summary>
 public void GridFill()
 {
     try
     {
         ExchangeRateBll BllExchangeRate = new ExchangeRateBll();
         List<DataTable> listObj = new List<DataTable>();
         listObj = BllExchangeRate.ExchangeRateSearch(cmbCurrencyRate.Text.ToString(), Convert.ToDateTime(txtDatefrom.Text.ToString()), Convert.ToDateTime(txtDateTo.Text.ToString()));
         dgvExchangeRate.DataSource = listObj[0];
     }
     catch (Exception ex)
     {
         MessageBox.Show("ER9:" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
 }