public static void DeleteRecord(IDB deleteObject)
{
string tableName = String.Empty;
if (deleteObject is Employee employee)
{
employeeList.Remove(employee);
tableName = "Employee";
}
if (deleteObject is Department department)
{
departmentList.Remove(department);
tableName = "Department";
}
if (String.IsNullOrEmpty(tableName))
{
return;
}
command = new SqlCommand(deleteObject.DeleteString(tableName), connection);
command.ExecuteNonQuery();
}