public void AddDataTableRelation(DataTableRelation relation)
{
if (relation == null)
{
throw new ArgumentNullException("relation");
}
if (!this.backendDataTableRelations.Contains(relation))
{
if (relation.DataTableLoaderSet != null && relation.DataTableLoaderSet != this)
{
throw new InvalidOperationException(string.Format("the relation '{0}' has been added into anoter DataTableLoaderSet.", relation.RelationName));
}
this.backendDataTableRelations.Add(relation);
relation.DataTableLoaderSet = this;
}
}
public DataTableLoader GetRefreshableSource(string dataMember)
{
DataTableLoader dataTableLoader = this.GetDataTableLoader(dataMember);
if (dataTableLoader == null)
{
DataTableRelation dataTableRelation = this.GetDataTableRelation(dataMember);
if (dataTableRelation != null)
{
if (dataTableRelation.ParentDataTableLoaderConfiguration.DataTableLoader == null)
{
this.CreateDataTableLoader(dataTableRelation.ParentDataTableLoaderConfiguration);
}
if (dataTableRelation.ChildDataTableLoaderConfiguration.DataTableLoader == null)
{
this.CreateDataTableLoader(dataTableRelation.ChildDataTableLoaderConfiguration);
}
dataTableLoader = dataTableRelation.ChildDataTableLoaderConfiguration.DataTableLoader;
}
}
return(dataTableLoader);
}
