public void IsRequired()
{
AddConstraint(a =>
{
return(a.All(s => TableField.IsNullOrSpace(s)) ? Name + " cannot all be empty" : null);
});
}
public void IsRequired()
{
AddConstraint(a =>
{
return(a.All(s => TableField.IsNullOrSpace(s)) ? Name + " cannot all be empty" : null);
});
}