public void CheckifIDinTable() { FunctionsForAllProgram funcs = new FunctionsForAllProgram(); // existing user bool IDExists = funcs.ifIDinTable(3233, "Users"); Assert.IsTrue(IDExists); // not existing user IDExists = funcs.ifIDinTable(99999, "Users"); Assert.IsFalse(IDExists); }
private void deleteMessageButton_Click(object sender, EventArgs e) { DBconnect db = new DBconnect(); int id; try { id = Convert.ToInt32(this.globalMessageId_box.Text); } catch { MessageBox.Show("Empty ID field or non-digit symbol been inputed."); return; } String query = "DELETE FROM GlobalMEssages WHERE ID=" + id; FunctionsForAllProgram func = new FunctionsForAllProgram(); bool existCheck = func.ifIDinTable(id, "GlobalMessages"); if (existCheck) { try { bool result = db.executionQuery(query); if (result) { MessageBox.Show("Global message with id : " + id + " removed from database"); } } catch { MessageBox.Show("Cannot delete message with id : " + id); } } else { MessageBox.Show("Message with this id does not exists"); } }