I am tring to do a sample exemple using Fluent NHibernate but i am having
some dificults
this is my code:
* public class Categoria*
* {*
* public virtual int Id { get; protected set; }*
* public virtual string Descricao { get; set; }*
* }*
*public class CategoriaMap : ClassMap<Categoria>*
* {*
* public CategoriaMap()*
* {*
* //Table("Categoria");*
* Id(x =>
x.Id);//.Column("Id").CustomType("System.Int32").GeneratedBy.Identity();*
* Map(x => x.Descricao);*
* } *
* }*
here is the insert method on my DAO:
* public string incluir(Categoria entidade)*
* {*
* String resultado = null;*
* ISession session = null;*
* ITransaction transaction = null;*
* try*
* {*
* session = HibernateHelper.OpenSession();*
* transaction = session.BeginTransaction();*
* resultado = (string)session.Save(entidade);*
* transaction.Commit();*
* }*
* catch (Exception e)*
* {*
* resultado = e.Message;*
* transaction.Rollback();*
* }*
* finally*
* {*
* if (transaction.IsActive && !transaction.WasCommitted)*
* {*
* transaction.Commit();*
* }*
* }*
* return resultado;*
* }*
my table script:
*CREATE TABLE [dbo].[Categoria](*
* [Id] [int] IDENTITY(1,1) NOT NULL,*
* [Descricao] [varchar](50) NULL,*
* CONSTRAINT [PK_Categoria] PRIMARY KEY CLUSTERED *
*(*
* [Id] ASC*
*)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY =
OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]*
*) ON [PRIMARY]*
when i run my project, i receive this erro:
*NHibernate: INSERT INTO [Categoria] (Descricao) *
*VALUES (@p0); select SCOPE_IDENTITY();*
*@p0 = 'Categoria A' [Type: String (4000)]*
*Unable to cast object of type 'System.Int32' to type 'System.String'.*
Does anybody knows how to resolve it?
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