private DataRelation CreateRelation(DataTable childTable, DataTable parentTable, DataColumn fkColumn, RelationPropertyAttribute relationPropertyAttribute)
{
string relationName = fkColumn.ColumnName;
if (!string.IsNullOrEmpty(relationPropertyAttribute.RelationName))
{
relationName = relationPropertyAttribute.RelationName;
}
if (childTable.DataSet.Relations.Contains(relationName))
{
return(childTable.DataSet.Relations[relationName]);
}
else
{
DataRelation dataRelation = new DataRelation(relationName, parentTable.PrimaryKey[0], fkColumn, false);
childTable.DataSet.Relations.Add(dataRelation);
return(dataRelation);
}
}
private DataRelation CompleteDataRelationStructure(DataSet dataSet, DataTable parentTable, string childrenTableName, Type childrenType, PropertyInfo property, RelationPropertyAttribute relationPropertyAttribute)
{
DataTable childrenTable = GetDataTable(dataSet, childrenTableName);
CompleteDataTableStructure(null, childrenType, childrenTable);
DataColumn parentDataColumn = CompleteParentDataColumn(childrenTable, property, relationPropertyAttribute, parentTable.PrimaryKey[0].DataType);
return(CreateRelation(childrenTable, parentTable, parentDataColumn, relationPropertyAttribute));
}
