private void Cos_Create_Click(object sender, EventArgs e) { try { cosRepos.Create(new Cosmetic() { Id = int.Parse(cos_Id.Text), name = cos_name.Text ?? "", expirationDate = cos_expirationDate.Text, amount = int.Parse(cos_amount.Text), capacity = int.Parse(cos_capacity.Text), storageTemperature = int.Parse(cos_storageTemperature.Text) }); MessageBox.Show("Created successfully!", "success", MessageBoxButtons.OK, MessageBoxIcon.Information); Clear_Table(this.dataGridView2); Load_Cos_Table(this.dataGridView2); } catch (Exception ex) { MessageBox.Show("exception!", ex.Message, MessageBoxButtons.OK); } }