Comments by Devino_M (Top 1 by date)

public string this[string columnName]
{
get
{
Result = null;
if (columnName == "FirstName")
{
if (String.IsNullOrEmpty(FirstName))
{
Result = "Please enter first name";
}
}
else if (columnName == "LastName")
{
if (String.IsNullOrEmpty(LastName))
{
Result = "Please enter last name";
}
}

else if (columnName == "Address")
{
if (String.IsNullOrEmpty(Address))
{
Result = "Please enter Address";
}
}

else if (columnName == "City")
{
if (String.IsNullOrEmpty(City))
{
Result = "Please enter city";
}
}

else if (columnName == "State")
{
if (State == "Select")
{
Result = "Please select state";
}
}

else if (columnName == "Zip")
{
if (String.IsNullOrEmpty(Zip))
{
Result = "Please enter zip";

}
else if (Zip.Length < 6)
{
Result = "Zip's length has to be at least 6 digits!";

}
else
{
bool zipNumber = Regex.IsMatch(Zip, @"^[0-9]*$");

if (zipNumber == false)
{
Result = "Please enter only digits in zip";


}
}
}
else if (columnName == "IsValid")
{
Result = true.ToString();
}

return Result;

}
}