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How to increase the number + 1

Posted By:      Posted Date: September 28, 2010    Points: 0   Category :ASP.Net

If it starts my IdNumber

How to get the last number and add +1?

Column IdNumber

The next record is 8

Using LINQ

My code:

[System.ComponentModel.DataObjectMethodAttribute(System.ComponentModel.DataObjectMethodType.Insert, true)]
    public bool AddZaposleni(int IdNumber, Guid UserId, string Priimek, string Ime, int Posta,string Kraj, string Delovno_mesto, int IdSifra)

        // Create a new ProductRow instance
        Northwind.tbl_zaposleniDataTable tbl_zaposleni = new Northwind.tbl_zaposleniDataTable();
        Northwind.tbl_zaposleniRow zaposleni = tbl_zaposleni.Newtbl_zaposleniRow();

      //  MembershipUser myObject = Membership.GetUser();
      //  Guid UserID = (Guid)myObject.ProviderUserKey;

        zaposleni.ID = IdNumber;
        zaposleni.IdSifra = IdSifra;
        zaposleni.UserId = UserId;
        zaposleni.Posta = Posta;
        if (Priimek == null) zaposleni.SetPriimekNull(); else zaposleni.Priimek = Priimek;
        if (Ime == null) zaposleni.SetImeNull(); else zaposleni.Im

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