/// <summary>
 /// Function to save
 /// </summary>
 public void SaveFunction()
 {
     try
     {
         ExchangeRateInfo infoExchangeRate = new ExchangeRateInfo();
         ExchangeRateBll BllExchangeRate = new ExchangeRateBll();
         infoExchangeRate.CurrencyId = Convert.ToDecimal(cmbCurrency.SelectedValue.ToString());
         infoExchangeRate.Date = Convert.ToDateTime(dtpDate.Text.Trim().ToString());
         infoExchangeRate.Rate = Convert.ToDecimal(txtExchangeRate.Text.Trim().ToString());
         infoExchangeRate.Narration = txtNarration.Text.Trim();
         infoExchangeRate.Extra1 = string.Empty;
         infoExchangeRate.Extra2 = string.Empty;
         if (BllExchangeRate.ExchangeRateCheckExistence(Convert.ToDateTime(txtDate.Text.Trim().ToString()), Convert.ToDecimal(cmbCurrency.SelectedValue.ToString()), 0) == false)
         {
             if (ExchangeRateCheck())
             {
                 BllExchangeRate.ExchangeRateAddParticularFields(infoExchangeRate);
                 Messages.SavedMessage();
                 Clear();
             }
         }
         else
         {
             Messages.ReferenceExistsMessageForUpdate();
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show("ER2:" + ex.Message, "OpenMiracle", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
 }