我有一个按钮,在按下按钮时,我要根据特定条件显示或隐藏网格中的行。是否可以动态更改视图使用的PXSelect,以便它重新查询数据库并检索不同的结果?当然,我将查询同一张表,而不更改视图或网格的结构。
答案 0 :(得分:1)
下面的代码向由按钮设置的头记录添加一个不可见字段,然后按此值,然后子记录视图委托使用该值根据子记录条件确定(在这种情况下,每个记录都为布尔值)孩子)(如果有的话)。
public sealed class APInvoiceExtension : PXCacheExtension<APInvoice>
{
#region UsrShowAll
public abstract class usrShowAll : IBqlField
{
}
[PXBool]
public bool? UsrShowAll { get; set; }
#endregion
}
public sealed class APTranExtension : PXCacheExtension<APTran>
{
#region UsrHidden
public abstract class usrHidden : IBqlField
{
}
[PXDBBool]
[PXUIField(DisplayName = "Hidden", Enabled = false)]
public bool? UsrHidden { get; set; }
#endregion
}
public class APInvoiceEntryExtension : PXGraphExtension<APInvoiceEntry>
{
public PXAction<APInvoice> SHW;
[PXUIField(DisplayName = "Show All Records", MapEnableRights = PXCacheRights.Update, MapViewRights = PXCacheRights.Update)]
[PXButton]
protected void sHW()
{
if (Base.Document.Current != null)
{
APInvoiceExtension docExt = Base.Document.Current.GetExtension<APInvoiceExtension>();
docExt.UsrShowAll = !(docExt.UsrShowAll ?? false);
}
}
protected virtual IEnumerable transactions()
{
bool showAll = Base.Document.Current != null ? (Base.Document.Current.GetExtension<APInvoiceExtension>().UsrShowAll ?? false) : false;
APTran tran;
foreach (PXResult<APTran, POReceiptLine> res in Base.Transactions.Select())
{
tran = res[0] as APTran;
if (!showAll)
{
if (!(tran.GetExtension<APTranExtension>().UsrHidden ?? false))
{
yield return res;
}
}
else
{
yield return res;
}
}
}
}