I use your latest Components of LinQConnect for mySQL and VB.NET 2010
I use the Like Operator for dynamic queries like the following sample:
Code: Select all
Dim result As IQueryable(Of VOptNeuContext.Artikelstamm) = myDataContext.Artikelstamms
result = result.Where(Function(Artikel) Artikel.Geloescht = 0)
If txtArtNummer.TextLength > 0 Then
result = result.Where(Function(Artikel) Devart.Data.Linq.SqlMethods.Like(Artikel.Artikelnr, txtArtNummer.Text))
End If
bindingSource.DataSource = result
Code: Select all
SELECT t1.ID, t1.geloescht, t1.InvNr, t1.Lieferant, t1.ArtikelNr, t1.Groesse, t1.Farbe, t1.ArtBez, t1.Mwst, t1.VPreis, t1.DivArt, t1.iCode, t1.oCode, t1.oepreis, t1.EPreis, t1.DatSeit, t1.DatlAenderung, t1.kommisionsware, t1.kommisionswarezurueck, t1.gueltig_von, t1.gueltig_bis, t1.Zeitstempel
FROM artikelstamm t1
WHERE (t1.ArtikelNr LIKE :p0) AND (t1.geloescht = :p1)
-- p0: Input VarChar (Size = 2; DbType = AnsiString) [OP]
-- p1: Input Int (Size = 0; DbType = Int32) [0]
-- Context: Devart.Data.MySql.Linq.Provider.MySqlDataProvider Model: am Build: 1.0.39.0
So, the input should be: --p0: Input VarChar (Size=4; DbType = AnsiString)[%OP%]
Or am I wrong?