inner join Table มันมบอกไม่บอก From หลักครับ ORA-00923: ไม่พบคำหลัก FROM ในที่ที่ต้องการ

sqlOrder = "SELECT Prsc.hn,Prsc.PrscDate,Prscdt.Meditem,Meditem.refundhn,Meditem.Medname,"
sqlOrder &= "Medusetype.name,Meduseqty.name,Medusetime.name,Meduseunit.thainame,ptdiag.icd10"
sqlOrder &= "FROM Prscdt,Prsc,Meditem,Medusetype,Meduseqty,Medusetime,Meduseunit,ptdiag"
sqlOrder &= "WHERE Prscdt.Prscno = Prsc.Prscno"
sqlOrder &= "AND prsc.hn = ptdiag.hn"
sqlOrder &= "AND prsc.prscdate = ptdiag.diagdate"
sqlOrder &= "AND Meduseqty.Meduseqty = Prscdt.Meduseqty"
sqlOrder &= "AND Medusetime.Medusetime = Prscdt.Medusetime"
sqlOrder &= "AND Meduseunit.Meduseunit = Prscdt.Meduseunit"
sqlOrder &= "AND Meditem.Meditem = Prscdt.Meditem"
sqlOrder &= "AND Prscdt.Medusetype = Medusetype.Medusetype"
da = New OracleDataAdapter(sqlOrder, conn)
da.Fill(ds, "prsc")
If ds.Tables("prsc").Rows.Count <> 0 Then
GridView1.DataSource = ds.Tables("prsc")
GridView1.DataBind()

sqlOrder = " SELECT Prsc.hn,Prsc.PrscDate,Prscdt.Meditem,Meditem.refundhn,Meditem.Medname, "
sqlOrder &= " Medusetype.name,Meduseqty.name,Medusetime.name,Meduseunit.thainame,ptdiag.icd10 "
sqlOrder &= " FROM Prscdt,Prsc,Meditem,Medusetype,Meduseqty,Medusetime,Meduseunit,ptdiag "
sqlOrder &= " WHERE Prscdt.Prscno = Prsc.Prscno "
sqlOrder &= " AND prsc.hn = ptdiag.hn "
sqlOrder &= " AND prsc.prscdate = ptdiag.diagdate "
sqlOrder &= " AND Meduseqty.Meduseqty = Prscdt.Meduseqty "
sqlOrder &= " AND Medusetime.Medusetime = Prscdt.Medusetime "
sqlOrder &= " AND Meduseunit.Meduseunit = Prscdt.Meduseunit "
sqlOrder &= " AND Meditem.Meditem = Prscdt.Meditem "
sqlOrder &= " AND Prscdt.Medusetype = Medusetype.Medusetype "
da = New OracleDataAdapter(sqlOrder, conn)
da.Fill(ds, "prsc")
If ds.Tables("prsc").Rows.Count <> 0 Then
GridView1.DataSource = ds.Tables("prsc")
GridView1.DataBind()