Comment mettre à jour une base de données depuis un DataGridview dont le schéma

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Date d'inscription
jeudi 12 octobre 2006
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29 mars 2013
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Messages postés
36
Date d'inscription
jeudi 12 octobre 2006
Statut
Membre
Dernière intervention
29 mars 2013
-
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Bonjour,


Dans le cadre du développement d’une application de gestion
sous Visual Studio 2008 (VS),

je voudrais donc faire certaines opérations de gestion à savoir ajout, mise à
jour et suppression sur des tables de ma base de données.


J'accède aux données 
de ma base SqlServer à l'aide d'un DataSet généré par VS (Données>ajouter une source de données).


Ici il s'agit de salarié (SALARIE), ayant une profession
(TYPESALARIE) et travaillant sur un site (LIEU)










Je souhaiterais concentrer toutes ces tâches et le Datagridview me parait bien.
Pour des raisons ergonomiques, vous êtes d'accord que
l'IDSITE et l'IDTYPESALARIE ne sont pas très pratiques à manipuler pour
l'utilisateur!
J'ai choisi d'utiliser les libellés correspondants.

Je commence par remplir le DATAGRIDVIEW non plus en mode Design (puisque ça me
donne les ID) mais grâce à ADO.NET comme le montre le code ci dessous:



//requête

string
req = "SELECT NOMSALARIÉ,PRENSALARIÉ,ADRSALARIÉ,CPSALARIÉ,
            VILLESALARIÉ,LIBTYPESALARIÉ,LOCALITÉSITE
           
            FROM SALARIÉ as s INNER JOIN
TYPESALARIÉ as t
            ON
SALARIÉ.IDTYPESALARIÉ=TYPESALARIÉ.IDTYPESALARIÉ
            INNER JOIN LIEU ON
SALARIÉ.IDSITE = LIEU.IDSITE
           
            ORDER BY SALARIÉ.NOMSALARIÉ,
SALARIÉ.PRENSALARIÉ";





//déclarer un
objet DataAdapter de la classe SqlDataAdapter






            dataAdapter = newSqlDataAdapter(req,
conn);






           
//déclarer
un objet DataSet







            dts = newDataSet("ListeSalariés");






           








           
//Remplir
le DataSet via le DataAdapter







            dataAdapter.Fill(dts, "ListeSalariés");






 







     
      
//établir la
liaison entre la source de données "ListeSalariés" et le DataGridView







            bdsrc.DataSource = dts.Tables["ListeSalariés"];






            bindingNavigator1.BindingSource =
bdsrc;






           
sALARIÉDataGridView.DataSource =                                      bindingNavigator1.BindingSource;





Le datagridview se remplit
bien.





Mais le problème se posera pour les mises à jour sur la base:

Déjà il faudrait que les colonnes
LOCALITESITE et LIBTYPESALARIE soient des comboBox dont

par exemple pour la combobox des lieux,
que l'item sélectionné corresponde  à celle
du "curseur du DataGridView" et les autres items aux autres lieux de la table LIEU.

Ainsi l'utilisateur ne s'embêtera pas avec les clés étrangères et identifiants
des tables liées.




Si je trouve comment faire ça, je sais que l'ajout sera facile, car il n'y aura vraisemblablement que la table SALARIE à modifier.

Et pour la modification et la suppression?

Jpense qu'on aura besoin des identifiants alors peut-on utiliser les propriétés
DisplayMember et ValueMember des combobox pour pouvoir faire les requetes
d'UPDATE et de DELETE?
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Je voulais proposer une alternative au DatagridView
c'est pourquoi j'ai mis des Textbox reliées aux DataGridView faute de
ne pas maitriser les PropertyGrid, qui semblent plus appropriés...)



J'ai déjà beaucoup galéré dessus et peut-être que les pistes que j'ai trouvées sont les plus sinueuses donc j'espère vraiment que quelqu'un pourra
m'éclairer sur tout ça.

Merci

1 réponse

Messages postés
36
Date d'inscription
jeudi 12 octobre 2006
Statut
Membre
Dernière intervention
29 mars 2013

Pas de solution..??