Private Sub Text1_Keypress(Keyascii as Integer)
If KeyAscii = vbKeyReturn Then
KeyAscii = 0
nReg = Val(Text1)
Data1.Recordset.MoveFirst
Data1.Recordset.FindFirst "CodigoMat = '" & Text1.Text & "'"
Text4.SetFocus
If Data1.Recordset.NoMatch Then
MsgBox "La clave del material no existe", 64, "Información al usuario"
Text1.SetFocus
End If
End If
End if
End sub