private void btnAdd_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrWhiteSpace(txtUnitName.Text)||string.IsNullOrWhiteSpace(txtRemarks.Text))
            {
                ClsCommon.ShowErrorToolTip(txtUnitName,"Please Enter The Unit Name");
            }
            else
            {
                var model = new UnitOfMeasurementModel
                {
                    UnitOfMeasurementId = _unitId,
                    UnitName = txtUnitName.Text,
                    Description = txtRemarks.Text
                };

                if (_isNewMode)
                {

                    _unitId = _unitService.Save(model).UnitOfMeasurementId;
                    if (_unitId<=0) return;
                    MessageBox.Show(@"Data Saved Successfully", @"Save", MessageBoxButtons.OK,
                        MessageBoxIcon.Information);
                    var frm = (FrmUnit)_frmForm;
                    frm.grdData.Rows.Add(_unitId, model.UnitName, model.Description);
                    frm.grdData.Rows[frm.grdData.Rows.Count - 1].IsSelected = true;
                    txtUnitName.Focus();
                    txtUnitName.Text = "";
                    txtRemarks.Text = "";
                    Notify();
                }
                else
                {
                    var success = _unitService.Update(model);
                    if (success==null) return;
                    MessageBox.Show(@"Data Updated Successfully", @"Update", MessageBoxButtons.OK,
                    MessageBoxIcon.Information);
                    var frm = (FrmUnit)_frmForm;
                    frm.grdData.CurrentRow.Cells["UnitName"].Value = model.UnitName;
                    frm.grdData.CurrentRow.Cells["Description"].Value = model.Description;
                    Close();
                    Notify();
                }

            }
        }
 public FrmUnitEntry(UnitOfMeasurementModel model, Form frmForm)
 {
     InitializeComponent();
     _frmForm = frmForm;
     _unitService = new UnitService();
     if (model != null)
     {
         _isNewMode = false;
         _unitId = model.UnitOfMeasurementId;
         txtUnitName.Text = model.UnitName;
         txtRemarks.Text = model.Description;
         btnAdd.Text = @"Update";
     }
     else
     {
         _isNewMode = true;
         btnAdd.Text = @"Save";
     }
 }
        public UnitOfMeasurementModel Update(UnitOfMeasurementModel model)
        {
            try
            {
                using (_context= new HSSNInventoryEntities() )
                {
                    var data = _context.UnitOfMeasurements.FirstOrDefault(a=>a.UnitOfMeasurementId==model.UnitOfMeasurementId);

                    if (data != null)
                    {
                        data.UnitName = model.UnitName;
                        data.Description = model.Description;
                    }
                    _context.Entry(data).State = EntityState.Modified;
                    _context.SaveChanges();
                    return model;
                }
            }
            catch (Exception e)
            {

                return null;
            }
        }
        public UnitOfMeasurementModel Save(UnitOfMeasurementModel model)
        {
            try
            {
                using (_context= new HSSNInventoryEntities() )
                {
                    var addmodel = new UnitOfMeasurement()
                    {
                        UnitName = model.UnitName,
                        Description = model.Description

                    };
                    _context.Entry(addmodel).State = EntityState.Added;
                    _context.SaveChanges();
                    model.UnitOfMeasurementId = addmodel.UnitOfMeasurementId;
                    return model;
                }

            }
            catch (Exception aException)
            {
                return new UnitOfMeasurementModel();
            }
        }