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How to set compositekey manually

5 replies. Last post: April 12, 2010 12:35 AM by Andi Santoso
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Dennis CheeMember
Posted: April 7, 2010 3:07 AM

Hi There,

Is there anyway to set composite key to RootTable DataKeyField programatically?

I've tried to mark the property as primarykey.

e.g.

object

public class Person
{
	public Person(string _Id, string _Name, string _Sex)
	{
        this._Id = _Id;
        this._Name = _Name;
        this._Sex = _Sex;
	}

    private string _Id = string.Empty;
    private string _Name = string.Empty;
    private string _Sex = string.Empty;

    [PrimaryKey()] 
    public string Id
    {
        set
        {
            this._Id = value;
        }
        get
        {
            return this._Id; 
        }
    }
    
    public string Name
    {
        set
        {
            this._Name = value;
        }
        get
        {
            return this._Name;
        }
    }
    
    public string Sex
    {
        set
        {
            this._Sex = value;
        }
        get
        {
            return this._Sex;
        }
    }
}

dataobject

    [DataObject]
    public class GenericObjectFactory<T> where T : class, IEntity
    {
        public GenericObjectFactory()
        {
        }

        [DataObjectMethodAttribute(DataObjectMethodType.Select, true)]
        public IList<Person> Select(int startRowIndex, int maximumRows, string sortExpression)
        {
            IList<Person> list = new List<Person>();
            list.Add(new Person("1", "Name 1", "Male 1"));
            list.Add(new Person("1", "Name 1", "Male 1"));
            list.Add(new Person("1", "Name 1", "Male 1"));
            return list;
        }
    }

WebGrid DataSourceId

<ISWebGrid:WebGrid ID="EntityWebGrid" runat="server" DataSourceID="EntityWebGridObjectDataSource">
<ISWebGrid:WebGrid ID="EntityWebGrid" runat="server" DataSourceID="EntityWebGridObjectDataSource" OnPrepareDataBinding="EntityWebGrid_PrepareDataBinding"></ISWebGrid:WebGrid>  
<rbs:GenericObjectDataSource ID="EntityWebGridObjectDataSource" runat="server"></rbs:GenericObjectDataSource>

</ISWebGrid:WebGrid>  
<rbs:GenericObjectDataSource ID="EntityWebGridObjectDataSource" runat="server"></rbs:GenericObjectDataSource>

And call WebGrid.RetrieveStructure() within OnPrepareDatabinding event.

I've tried above but still get DataKeyField as null.

 

Any idea ?

 

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