/**
* @return \yii\db\ActiveQuery
*/
public function getTbproducts()
{
return $this->hasMany(Tbproduct::className(), ['product_categoryid' => 'category_id']);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getQuotationdetailProduct()
{
return $this->hasOne(Tbproduct::className(), ['product_id' => 'quotationdetail_productid']);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getPurchaseorderdetailProduct()
{
return $this->hasOne(Tbproduct::className(), ['product_id' => 'purchaseorderdetail_productid']);
}