FoxPro/Visual FoxPro - se infringe la inicidad del indice DNI

SELECT tabla

replace Nombre WITH thisform.texto1.Value

replace Apellido WITH thisform.texto2.Value

replace Dni WITH thisform.texto3.value

replace CUIL WITH thisform.texto4.value

replace Edad WITH thisform.texto5.Value

replace Domicilio WITH thisform.texto6.Value

replace Fecha_de_nac WITH thisform.texto7.Value

replace Estado_civil WITH thisform.combo1.Value

replace Localidad WITH thisform.texto8.value

replace Telefono WITH thisform.texto9.value

replace Estudios_realizados WITH thisform.combo2.Value

replace Discapacidad WITH thisform.combo3.Value

replace Nacionalidad WITH thisform.texto10.Value

replace Curso_a_inscribirse WITH thisform.combo4.value

*****************************************************************

STORE "" TO thisform.texto1.value,thisform.texto2.value,thisform.texto3.value,thisform.texto4.value,thisform.texto5.value,thisform.texto6.value,thisform.texto7.value,thisform.combo1.Value,thisform.texto8.value,thisform.texto9.value,thisform.combo2.Value,thisform.combo3.Value,thisform.texto10.value,thisform.combo4.value

*****************************************************************

this.Enabled= .F.

thisform.comando2.Enabled= .T.

*****************************************************************

thisform.texto1.enabled= .F.

thisform.texto2.enabled= .F.

thisform.texto3.enabled= .F.

thisform.texto4.enabled= .F.

thisform.texto5.enabled= .F.

thisform.texto6.enabled= .F.

thisform.texto7.enabled= .F.

thisform.combo1.enabled= .F.

thisform.texto8.enabled= .F.

thisform.texto9.enabled= .F.

thisform.combo2.enabled= .F.

thisform.combo3.enabled= .F.

thisform.texto10.enabled= .F.

thisform.combo4.enabled= .F.

thisform.Refresh