public static void RemoveRelation(InternalSetBase dataSet, InternalTableBase parent, InternalTableBase table)
{
var relationName = InternalSetBase.GenerateRelationName(table);
if (dataSet != null)
{
dataSet.Relations.Remove(relationName);
}
}
public CremaDataRow[] GetChildRows(CremaDataTable childTable)
{
if (childTable.Parent != this.Table)
{
return(null);
}
var relationName = InternalSetBase.GenerateRelationName(childTable.InternalObject);
return(this.InternalObject.GetChildRows(relationName).Select(item => (item as InternalDataRow).Target).ToArray());
}
public static void AddRelation(InternalSetBase dataSet, InternalTableBase parent, InternalTableBase table)
{
var relationName = InternalSetBase.GenerateRelationName(table);
if (dataSet != null)
{
dataSet.Relations.Add(relationName, parent.ColumnRelation, table.ParentRelation);
}
else
{
}
}
public void RefreshRelation(InternalTableBase table)
{
for (var i = 0; i < this.Relations.Count; i++)
{
var item = this.Relations[i];
if (item.ParentTable == table || item.ChildTable == table)
{
if (item.ParentTable is InternalTableBase parentTable && item.ChildTable is InternalTableBase childTable)
{
item.RelationName = InternalSetBase.GenerateRelationName(childTable);
}
}
}
}
public CremaDataRow[] GetChildRows(string childTableName)
{
var relationName = InternalSetBase.GenerateRelationName(childTableName, this.Table.Namespace);
return(this.InternalObject.GetChildRows(relationName).Select(item => (item as InternalDataRow).Target).ToArray());
}