How to map Image type in NHibernate?

I have at my SQL Server 2000 Database a column with type Image. How can I map it into NHibernate?

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  • 3 Solutions collect form web for “How to map Image type in NHibernate?”

    We used BinaryBlob on the mapping config file, and byte[] on the property.

    Below is the sample code that i have used to map an image field. Where BlogImage was a column of Image Datatype mapped to byte type property BlogImage. length=”2147483647″ was used to ensure copy of full image in to database as nhibernate some times limit the max size of data that is going to be inserted.

    <?xml version="1.0" encoding="utf-8" standalone="yes"?>
    <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" auto-import="true">
    <class name="EAS.MINDSPACE.Infrastructure.Business.Entities.BlogMaster,EAS.MINDSPACE.Infrastructure.Business.Entities" lazy="false" table="BlogMaster" schema="dbo" >
    <id name="BlogId" column="BlogId">
      <generator class="native" />
    <property name="BlogData" column="BlogData" />
    <property name="BlogImage" column="BlogImage" length="2147483647"  />
    <property name="UserId" column="UserId" />
      <property name="CreatedByName" column="CreatedBy" />
      <property name="CreatedOn" column="CreatedOn" />
      <property name="ReplyCount" column="ReplyCount" />

    NHibernate 3.x does all the magic it self.


    Create table tblCompany (..., Logo image);

    NHibernate-Mapping (important to set length!!!):

    <class name="Company"
         <property name="_logo"
              access="field" />


    public class Company {
        private Image _logo;
    MS SQL Server is a Microsoft SQL Database product, include sql server standard, sql server management studio, sql server express and so on.