private async void btnDelete_Click(object sender, EventArgs e) { if (MetroFramework.MetroMessageBox.Show(this, "Are you sure?", "Delete Loan", MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button1) == DialogResult.Yes) { string token = txtLoanId.Text.Substring(4); int _id = int.Parse(token); await loans.Delete(_id); Collectables c = new Collectables(); Collections c2 = new Collections(); c.DeleteCollectables(_id); c2.DeleteCollections(_id); MetroFramework.MetroMessageBox.Show(this, loans.msg, "Delete Loan", MessageBoxButtons.OK, MessageBoxIcon.Question); this.Close(); } }