/// <summary>
/// Validates a grid row
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tableViewDetail_ValidateRow(object sender, DevExpress.Xpf.Grid.GridRowValidationEventArgs e)
{
WaterMeterViewModel vm = this.DataContext as WaterMeterViewModel;
WaterMeterReading row = e.Row as WaterMeterReading;
try
{
if (null != row)
{
// Rule-1: All required fields must contain data
string results = ValidationRules.IsWaterMeterReadingRowValid((WaterMeterReading)e.Row);
if (!String.IsNullOrEmpty(results))
{
e.IsValid = false;
e.ErrorType = DevExpress.XtraEditors.DXErrorProvider.ErrorType.Critical;
e.ErrorContent = "The highlighted field cannot be blank";
e.SetError(e.ErrorContent);
return;
}
// Rule-2: Meter Reading must be greater than previous reading.
//if (row.ReadingDate <= vm.SelectedProperty.LastMeterEntry.ReadingDate ||
// row.MeterReading <= vm.SelectedProperty.LastMeterEntry.MeterReading)
if (row.ReadingDate <= vm.SelectedProperty.ReadingDate ||
row.MeterReading <= vm.SelectedProperty.MeterReading)
{
e.IsValid = false;
e.ErrorType = DevExpress.XtraEditors.DXErrorProvider.ErrorType.Critical;
e.ErrorContent = "The highlighted field cannot be less then the previous reading";
e.SetError(e.ErrorContent);
return;
}
}
}
catch (Exception ex)
{
MessageBox.Show("Row Error: " + ex.Message);
}
finally
{
if (e.IsValid)
{
//row.Consumption = vm.CalculateWaterConsumption();
//row.PropertyID = vm.SelectedProperty.PropertyID; // assign the PropertID since it's a FK
}
e.Handled = true;
}
}
