diff --git a/web/components/management/area.js b/web/components/management/area.js
index 56134a59ebb6238d7576088875185cb3f4c7cd3c..cc963beebd2f909265a2966b42d750fa7a907ed5 100644
--- a/web/components/management/area.js
+++ b/web/components/management/area.js
@@ -249,20 +249,29 @@ class Area {
     if (this.method == "POST")
       document.getElementById("area-modal-id").value = null;
 
-    let area = await this.AreaModel.saveArea(
-      this.method,
-      parseInt(document.getElementById("area-modal-id").value),
-      this.election.ID,
-      document.getElementById("area-modal-name").value,
-      parseInt(document.getElementById("area-modal-seat-number").value),
-      document.getElementById("area-modal-mapID").value
-    );
-    await this.displayAreas();
-    Common.toggleModal("area-modal", "area-modal-card");
-    this.activateArea(area);
-    this.parent.sectionHandler.area = area;
-    this.parent.sectionHandler.displaySections();
-    return area;
+    if (
+      this.AreaModel.checkInputs(
+        this.method,
+        parseInt(document.getElementById("area-modal-id").value),
+        document.getElementById("area-modal-name").value,
+        parseInt(document.getElementById("area-modal-seat-number").value)
+      )
+    ) {
+      let area = await this.AreaModel.saveArea(
+        this.method,
+        parseInt(document.getElementById("area-modal-id").value),
+        this.election.ID,
+        document.getElementById("area-modal-name").value,
+        parseInt(document.getElementById("area-modal-seat-number").value),
+        document.getElementById("area-modal-mapID").value
+      );
+      await this.displayAreas();
+      Common.toggleModal("area-modal", "area-modal-card");
+      this.activateArea(area);
+      this.parent.sectionHandler.area = area;
+      this.parent.sectionHandler.displaySections();
+      return area;
+    }
   }
 
   async updateAreas() {
diff --git a/web/components/management/candidate-lists.js b/web/components/management/candidate-lists.js
index 09d50bcaab238d24bf038b34043550ac4daee2fd..c4022618b78a75d1385963017943e468192c3257 100644
--- a/web/components/management/candidate-lists.js
+++ b/web/components/management/candidate-lists.js
@@ -146,7 +146,7 @@ class CandidateList {
       <div class="modal-background"></div>
       <div class="modal-card" id="candidateList-modal-card">
         <header class="modal-card-head">
-          <p class="modal-card-title">Ajout/modification d'un tour</p>
+          <p class="modal-card-title">Ajout/modification d'une liste</p>
           <button
             class="delete"
             aria-label="close"
@@ -173,10 +173,7 @@ class CandidateList {
           <div class="field">
             <label>Parti</label><br />
             <div class="control select">
-              <select
-                name="party"
-                id="candidateList-modal-party"
-              ></select>
+              <select name="party" id="candidateList-modal-party"></select>
             </div>
           </div>
         </section>
@@ -640,18 +637,27 @@ class CandidateList {
     if (this.method == "POST")
       document.getElementById("candidateList-modal-id").value = null;
 
-    let candidateList = await this.CandidateListModel.saveCandidateList(
-      this.method,
-      parseInt(document.getElementById("candidateList-modal-id").value),
-      document.getElementById("candidateList-modal-name").value,
-      parseInt(document.getElementById("candidateList-modal-party").value),
-      this.round.ID,
-      this.area.ID
-    );
-    await this.displayCandidateLists();
-    Common.toggleModal("candidateList-modal", "candidateList-modal-card");
-    this.activateCandidateList(candidateList);
-    return candidateList;
+    if (
+      this.CandidateListModel.checkInputs(
+        this.method,
+        parseInt(document.getElementById("candidateList-modal-id").value),
+        document.getElementById("candidateList-modal-name").value,
+        parseInt(document.getElementById("candidateList-modal-party").value)
+      )
+    ) {
+      let candidateList = await this.CandidateListModel.saveCandidateList(
+        this.method,
+        parseInt(document.getElementById("candidateList-modal-id").value),
+        document.getElementById("candidateList-modal-name").value,
+        parseInt(document.getElementById("candidateList-modal-party").value),
+        this.round.ID,
+        this.area.ID
+      );
+      await this.displayCandidateLists();
+      Common.toggleModal("candidateList-modal", "candidateList-modal-card");
+      this.activateCandidateList(candidateList);
+      return candidateList;
+    }
   }
 
   async deleteCandidateList(candidateList) {
diff --git a/web/components/management/desk.js b/web/components/management/desk.js
index 44a99787ae54dfc2e1eeee0f567372b823e5e610..dfa86fe55b5bf079d35245c147be1571382bada7 100644
--- a/web/components/management/desk.js
+++ b/web/components/management/desk.js
@@ -91,7 +91,7 @@ class Desk {
             </div>
           </div>
           <div class="field">
-            <label>Subscribed</label>
+            <label>Inscrits</label>
             <div class="control">
               <input class="input" type="number" id="desk-modal-subscribed" />
             </div>
@@ -220,16 +220,25 @@ class Desk {
     if (this.method == "POST")
       document.getElementById("desk-modal-id").value = null;
 
-    await this.DeskModel.saveDesk(
-      this.method,
-      parseInt(document.getElementById("desk-modal-id").value),
-      this.section.ID,
-      document.getElementById("desk-modal-name").value,
-      parseInt(document.getElementById("desk-modal-subscribed").value),
-      document.getElementById("desk-modal-witness").checked
-    );
-    await this.displayDesks();
-    Common.toggleModal("desk-modal", "desk-modal-card");
+    if (
+      this.DeskModel.checkInputs(
+        this.method,
+        parseInt(document.getElementById("desk-modal-id").value),
+        document.getElementById("desk-modal-name").value,
+        parseInt(document.getElementById("desk-modal-subscribed").value),
+      )
+    ) {
+      await this.DeskModel.saveDesk(
+        this.method,
+        parseInt(document.getElementById("desk-modal-id").value),
+        this.section.ID,
+        document.getElementById("desk-modal-name").value,
+        parseInt(document.getElementById("desk-modal-subscribed").value),
+        document.getElementById("desk-modal-witness").checked
+      );
+      await this.displayDesks();
+      Common.toggleModal("desk-modal", "desk-modal-card");
+    }
   }
 
   async updateDesks() {
@@ -241,7 +250,7 @@ class Desk {
   }
 
   async deleteDesk(desk) {
-    await this.DeskModel.deleteDesk(desk.ID);
+    await this.DeskModel.deleteDesks(desk.ID);
     this.displayDesks();
   }
 
diff --git a/web/components/management/election.js b/web/components/management/election.js
index 52bfa04700d9d81cb913877167f35c7edfcd65f0..ec0a71ed704ff1bcd17fac08006c55329d0a24db 100644
--- a/web/components/management/election.js
+++ b/web/components/management/election.js
@@ -27,7 +27,12 @@ class Election {
         </p>
       </header>
       <div class="card-content">
-        <div id="election-list" class="content auto-overflow-election-management">Liste des élections</div>
+        <div
+          id="election-list"
+          class="content auto-overflow-election-management"
+        >
+          Liste des élections
+        </div>
       </div>
     `;
     this.mountModal("election-modal");
@@ -343,21 +348,30 @@ class Election {
     if (this.method == "POST")
       document.getElementById("election-modal-id").value = null;
 
-    election = await this.ElectionModel.saveElection(
-      this.method,
-      parseInt(document.getElementById("election-modal-id").value),
-      document.getElementById("election-modal-name").value,
-      document.getElementById("election-modal-ballot-type").value,
-      document.getElementById("election-modal-area-map").value,
-      document.getElementById("election-modal-section-map").value
-    );
+    if (
+      this.ElectionModel.checkInputs(
+        this.method,
+        parseInt(document.getElementById("election-modal-id").value),
+        document.getElementById("election-modal-name").value,
+        document.getElementById("election-modal-ballot-type").value,
+      )
+    ) {
+      election = await this.ElectionModel.saveElection(
+        this.method,
+        parseInt(document.getElementById("election-modal-id").value),
+        document.getElementById("election-modal-name").value,
+        document.getElementById("election-modal-ballot-type").value,
+        document.getElementById("election-modal-area-map").value,
+        document.getElementById("election-modal-section-map").value
+      );
 
-    await this.displayElections();
-    Common.toggleModal("election-modal", "election-modal-card");
-    this.activateElection(election);
-    this.parent.areaHandler.election = election;
-    this.parent.areaHandler.displayAreas();
-    return election;
+      await this.displayElections();
+      Common.toggleModal("election-modal", "election-modal-card");
+      this.activateElection(election);
+      this.parent.areaHandler.election = election;
+      this.parent.areaHandler.displayAreas();
+      return election;
+    }
   }
 
   async deleteElection(election) {
diff --git a/web/components/management/party.js b/web/components/management/party.js
index c4a0dc6510ade75f4c9b85675ee2a6cb475437b6..84e54a87e53403d635674d4c148454345a26914f 100644
--- a/web/components/management/party.js
+++ b/web/components/management/party.js
@@ -37,7 +37,12 @@ class Party {
             </p>
           </header>
           <div class="card-content">
-            <div id="party-list" class="content auto-overflow-election-management">Liste des partis</div>
+            <div
+              id="party-list"
+              class="content auto-overflow-election-management"
+            >
+              Liste des partis
+            </div>
           </div>
         </div>
       </div>
@@ -270,16 +275,24 @@ class Party {
     if (this.method == "POST")
       document.getElementById("party-modal-id").value = null;
 
-    party = await this.PartyModel.saveParty(
-      this.method,
-      parseInt(document.getElementById("party-modal-id").value),
-      document.getElementById("party-modal-name").value,
-      document.getElementById("party-modal-color").value
-    );
+    if (
+      this.PartyModel.checkInputs(
+        this.method,
+        parseInt(document.getElementById("party-modal-id").value),
+        document.getElementById("party-modal-name").value,
+      )
+    ) {
+      party = await this.PartyModel.saveParty(
+        this.method,
+        parseInt(document.getElementById("party-modal-id").value),
+        document.getElementById("party-modal-name").value,
+        document.getElementById("party-modal-color").value
+      );
 
-    await this.displayParties();
-    Common.toggleModal("party-modal", "party-modal-card");
-    return party;
+      await this.displayParties();
+      Common.toggleModal("party-modal", "party-modal-card");
+      return party;
+    }
   }
 
   async deleteParty(party) {
diff --git a/web/components/management/rounds-card.js b/web/components/management/rounds-card.js
index 05d9fc24abfee658e70bd8bdf5c7111734e6e9f5..d23545f0ffa10497aba9561ce4edc846cbdfa137 100644
--- a/web/components/management/rounds-card.js
+++ b/web/components/management/rounds-card.js
@@ -62,6 +62,23 @@ class Round {
           Messages.Show("is-danger", "Veuillez sélectionner une élection.");
           return;
         }
+        if (document.getElementById("round-modal-date").value == "") {
+          Messages.Show(
+            "is-danger",
+            "Veuillez sélectionner une date pour le tour."
+          );
+          return;
+        }
+        if (
+          isNaN(parseInt(document.getElementById("round-modal-round").value)) ||
+          parseInt(document.getElementById("round-modal-round").value) < 1
+        ) {
+          Messages.Show(
+            "is-danger",
+            "Le numéro du tour doit être un nombre positif"
+          );
+          return;
+        }
         await roundHandler.saveRound();
       });
   }
diff --git a/web/components/management/section.js b/web/components/management/section.js
index a1a718bb33085e98fe6ae8daf95750e8a8f63025..dbfdc545de8e9e999d757348bc8af22097f07119 100644
--- a/web/components/management/section.js
+++ b/web/components/management/section.js
@@ -29,7 +29,10 @@ class Section {
         </p>
       </header>
       <div class="card-content">
-        <div id="section-list" class="content auto-overflow-election-management">
+        <div
+          id="section-list"
+          class="content auto-overflow-election-management"
+        >
           Sélectionner une circonscription.
         </div>
       </div>
@@ -251,19 +254,27 @@ class Section {
     if (this.method == "POST")
       document.getElementById("section-modal-id").value = null;
 
-    section = await this.SectionModel.saveSection(
-      this.method,
-      parseInt(document.getElementById("section-modal-id").value),
-      this.area.ID,
-      document.getElementById("section-modal-name").value,
-      document.getElementById("section-modal-mapID").value
-    );
-    await this.displaySections();
-    Common.toggleModal("section-modal", "section-modal-card");
-    this.activateSection(section);
-    this.parent.deskHandler.section = section;
-    this.parent.deskHandler.displayDesks();
-    return section;
+    if (
+      this.SectionModel.checkInputs(
+        this.method,
+        parseInt(document.getElementById("section-modal-id").value),
+        document.getElementById("section-modal-name").value
+      )
+    ) {
+      section = await this.SectionModel.saveSection(
+        this.method,
+        parseInt(document.getElementById("section-modal-id").value),
+        this.area.ID,
+        document.getElementById("section-modal-name").value,
+        document.getElementById("section-modal-mapID").value
+      );
+      await this.displaySections();
+      Common.toggleModal("section-modal", "section-modal-card");
+      this.activateSection(section);
+      this.parent.deskHandler.section = section;
+      this.parent.deskHandler.displayDesks();
+      return section;
+    }
   }
 
   async updateSections() {
diff --git a/web/components/users/handleUser.js b/web/components/users/handleUser.js
index 1c2a995e75a454bd8539d8e6e8dab0a47ecabd7f..3d348914df8135b1960b570a6cdfb916584ff691 100644
--- a/web/components/users/handleUser.js
+++ b/web/components/users/handleUser.js
@@ -7,7 +7,6 @@ import * as Common from "/services/common/common.js";
 
 // DOM elements
 let id_field;
-let idOAuth_field;
 let login_field;
 let password_field;
 let name_field;
@@ -91,7 +90,6 @@ class HandleUser {
 
   handleDom() {
     id_field = document.getElementById("users-modal-id");
-    idOAuth_field = document.getElementById("users-modal-idoauth");
     login_field = document.getElementById("users-modal-login");
     password_field = document.getElementById("users-modal-password");
     name_field = document.getElementById("users-modal-name");
@@ -157,7 +155,6 @@ class HandleUser {
     this.parent.cleanUser(user);
     update_user = true;
     id_field.value = user.id;
-    idOAuth_field.value = user.idOAuth;
     login_field.value = user.login;
     password_field.value = "";
     name_field.value = user.name;
@@ -191,13 +188,8 @@ class HandleUser {
     else method = "POST";
 
     try {
-      if (role_field.value == "") {
-        Messages.Show(
-          "is-warning",
-          "Veuillez choisir un rôle pour l'utilisateur"
-        );
-        return;
-      }
+      let flag = this.checkInputsUser();
+      if (!flag) return;
       const response = await fetch("/api/admin/users/" + id_field.value, {
         method: method,
         headers: new Headers({
@@ -241,4 +233,26 @@ class HandleUser {
     }
     this.CapturerModel.saveCapturer(method, capturer.ID, user.id, user.name);
   }
+
+  checkInputsUser() {
+    if (login_field.value == "") {
+      Messages.Show(
+        "is-warning",
+        "Veuillez choisir un login pour l'utilisateur"
+      );
+      return false;
+    }
+    if (name_field.value == "") {
+      Messages.Show("is-warning", "Veuillez choisir un nom pour l'utilisateur");
+      return false;
+    }
+    if (role_field.value == "") {
+      Messages.Show(
+        "is-warning",
+        "Veuillez choisir un rôle pour l'utilisateur"
+      );
+      return false;
+    }
+    return true;
+  }
 }
diff --git a/web/components/vote/votes.js b/web/components/vote/votes.js
index b190b6ec63ba04151eaec0a77dd937e3480d5319..892607b0f5531af94fbbc7e0f89bcfac9718a860 100644
--- a/web/components/vote/votes.js
+++ b/web/components/vote/votes.js
@@ -9,6 +9,7 @@ import * as DeskRoundModel from "/services/model/deskRound-model.js";
 import * as VoteModel from "/services/model/vote-model.js";
 import * as CandidateListModel from "/services/model/candidateList-model.js";
 import * as Common from "/services/common/common.js";
+import * as Messages from "/services/messages/messages.js";
 
 export async function mount(parent) {
   const voteComponent = new Vote(parent);
@@ -242,6 +243,21 @@ class Vote {
     if (votes.length == 0) method = "POST";
     else method = "PUT";
 
+    let flag = true;
+    for (let candidateList of candidateLists) {
+      if (
+        parseInt(
+          document.getElementById(candidateList.ID + "-vote-voice").value
+        ) < 0
+      )
+        flag = false;
+    }
+
+    if (!flag) {
+      Messages.Show("is-warning", "Erreur sur les valeurs saisies");
+      return;
+    }
+
     for (let candidateList of candidateLists) {
       await voteHandler.VoteModel.saveVote(
         method,
@@ -255,22 +271,41 @@ class Vote {
       );
     }
 
-    await this.VoteModel.saveVote(
-      method,
-      this.DeskRoundID,
-      null,
-      parseInt(document.getElementById("blank-vote-voice").value),
-      true,
-      false
-    );
-    await this.VoteModel.saveVote(
-      method,
-      this.DeskRoundID,
-      null,
-      parseInt(document.getElementById("null-vote-voice").value),
-      false,
-      true
-    );
+    if (
+      parseInt(
+        document.getElementById("blank-vote-voice").value
+      ) < 0
+    ) {
+      Messages.Show("is-warning", "Erreur sur les valeurs saisies");
+      return;
+    } else {
+      await this.VoteModel.saveVote(
+        method,
+        this.DeskRoundID,
+        null,
+        parseInt(document.getElementById("blank-vote-voice").value),
+        true,
+        false
+      );
+    }
+
+    if (
+      parseInt(
+        document.getElementById("null-vote-voice").value
+      ) < 0
+    ) {
+      Messages.Show("is-warning", "Erreur sur les valeurs saisies");
+      return;
+    } else {
+      await this.VoteModel.saveVote(
+        method,
+        this.DeskRoundID,
+        null,
+        parseInt(document.getElementById("null-vote-voice").value),
+        true,
+        false
+      );
+    }
     this.refreshParent();
   }
 
diff --git a/web/services/model/area-model.js b/web/services/model/area-model.js
index c509c5765b3766e623319d8fedc526d02151b06e..84916453398e80e6b999de2d3f1961586a4a9586 100644
--- a/web/services/model/area-model.js
+++ b/web/services/model/area-model.js
@@ -86,6 +86,7 @@ class AreaModel {
           `Area could not be deleted (status ${response.status})`
         );
       }
+      this.refreshAreas();
     } catch (e) {
       Messages.Show("is-warning", e.message);
       console.error(e);
@@ -96,4 +97,29 @@ class AreaModel {
     this.areas = null;
     await this.getAreas();
   }
+
+  checkInputs(method, ID, Name, SeatNumber) {
+    if (method == "PUT" && ID == "") {
+      Messages.Show(
+        "is-warning",
+        "Un erreur s'est produite lors de la mise à jour."
+      );
+      return false;
+    }
+    if (Name == "") {
+      Messages.Show(
+        "is-warning",
+        "Veuillez choisir un nom pour la circonscription"
+      );
+      return false;
+    }
+    if (isNaN(SeatNumber) || SeatNumber < 1) {
+      Messages.Show(
+        "is-warning",
+        "Veuillez choisir un nombre de siège positif"
+      );
+      return false;
+    }
+    return true;
+  }
 }
diff --git a/web/services/model/candidateList-model.js b/web/services/model/candidateList-model.js
index 53bc7742778250387885c3911ba931d06f190be9..1a34011d04fceb8499748ff002b44a3fbf408b37 100644
--- a/web/services/model/candidateList-model.js
+++ b/web/services/model/candidateList-model.js
@@ -97,4 +97,27 @@ class CandidateListModel {
     this.candidateLists = null;
     await this.getCandidateLists();
   }
+
+  checkInputs(method, ID, Name, PartyID) {
+    if (method == "PUT" && ID == "") {
+      Messages.Show(
+        "is-warning",
+        "Un erreur s'est produite lors de la mise à jour."
+      );
+      return false;
+    }
+    if (Name == "") {
+      Messages.Show("is-warning", "Veuillez choisir un nom pour la liste");
+      return false;
+    }
+    console.log(PartyID);
+    if (isNaN(PartyID)) {
+      Messages.Show(
+        "is-warning",
+        "Veuillez choisir un parti auquel rattaché la liste"
+      );
+      return false;
+    }
+    return true;
+  }
 }
diff --git a/web/services/model/desk-model.js b/web/services/model/desk-model.js
index ab7c6e474c45cf0161d00a7aa6820bb364970762..cfdcfe073a9839026f93d96161e411e0abfbbab2 100644
--- a/web/services/model/desk-model.js
+++ b/web/services/model/desk-model.js
@@ -55,8 +55,8 @@ class DeskModel {
           ID: ID,
           SectionID: SectionID,
           Name: Name,
-          Subscribed : Subscribed,
-          WitnessDesk : WitnessDesk
+          Subscribed: Subscribed,
+          WitnessDesk: WitnessDesk,
         }),
       });
       if (response.status !== 200) {
@@ -86,6 +86,7 @@ class DeskModel {
           `Desk could not be deleted (status ${response.status})`
         );
       }
+      this.refreshDesks();
     } catch (e) {
       Messages.Show("is-warning", e.message);
       console.error(e);
@@ -96,4 +97,26 @@ class DeskModel {
     this.desks = null;
     await this.getDesks();
   }
+
+  checkInputs(method, ID, Name, Subscribed) {
+    if (method == "PUT" && ID == "") {
+      Messages.Show(
+        "is-warning",
+        "Un erreur s'est produite lors de la mise à jour."
+      );
+      return false;
+    }
+    if (Name == "") {
+      Messages.Show("is-warning", "Veuillez choisir un nom pour le bureau");
+      return false;
+    }
+    if (isNaN(Subscribed) || Subscribed < 1) {
+      Messages.Show(
+        "is-warning",
+        "Veuillez choisir un nombre d'inscrits positif"
+      );
+      return false;
+    }
+    return true;
+  }
 }
diff --git a/web/services/model/election-model.js b/web/services/model/election-model.js
index a00127f758e880107cd20cbc6d857bf6da105312..d0ae7701b01674a01b2801c8f208e60f3a75d324 100644
--- a/web/services/model/election-model.js
+++ b/web/services/model/election-model.js
@@ -109,4 +109,26 @@ class ElectionModel {
     this.elections = null;
     await this.getElections();
   }
+
+  checkInputs(method, ID, Name, BallotType) {
+    if (method == "PUT" && ID == "") {
+      Messages.Show(
+        "is-warning",
+        "Un erreur s'est produite lors de la mise à jour."
+      );
+      return false;
+    }
+    if (Name == "") {
+      Messages.Show("is-warning", "Veuillez choisir un nom pour l'élection");
+      return false;
+    }
+    if (BallotType == "") {
+      Messages.Show(
+        "is-warning",
+        "Veuillez choisir un type de scrutin pour l'élection"
+      );
+      return false;
+    }
+    return true;
+  }
 }
diff --git a/web/services/model/party-model.js b/web/services/model/party-model.js
index b90aefd63f87e55737ee1bead28d872e85c5477f..4e152ad51087c22fd3aab88ee13462274fd56805 100644
--- a/web/services/model/party-model.js
+++ b/web/services/model/party-model.js
@@ -1,12 +1,12 @@
 import * as Messages from "/services/messages/messages.js";
 
-let partyModel
+let partyModel;
 
-export function getPartyModel(){
-  if(partyModel == null) {
+export function getPartyModel() {
+  if (partyModel == null) {
     partyModel = new PartyModel();
   }
-  return partyModel
+  return partyModel;
 }
 
 class PartyModel {
@@ -95,4 +95,19 @@ class PartyModel {
     this.parties = null;
     await this.getParties();
   }
+
+  checkInputs(method, ID, Name) {
+    if (method == "PUT" && ID == "") {
+      Messages.Show(
+        "is-warning",
+        "Un erreur s'est produite lors de la mise à jour."
+      );
+      return false;
+    }
+    if (Name == "") {
+      Messages.Show("is-warning", "Veuillez choisir un nom pour le parti");
+      return false;
+    }
+    return true;
+  }
 }
diff --git a/web/services/model/section-model.js b/web/services/model/section-model.js
index 4c177f324c6c99f164e610122bf500e571aa13d9..81d3d54be36954dd9937b6e4ba6d21ac9d25fd64 100644
--- a/web/services/model/section-model.js
+++ b/web/services/model/section-model.js
@@ -85,6 +85,7 @@ class SectionModel {
           `Section could not be deleted (status ${response.status})`
         );
       }
+      this.refreshSections();
     } catch (e) {
       Messages.Show("is-warning", e.message);
       console.error(e);
@@ -95,4 +96,19 @@ class SectionModel {
     this.sections = null;
     await this.getSections();
   }
+
+  checkInputs(method, ID, Name) {
+    if (method == "PUT" && ID == "") {
+      Messages.Show(
+        "is-warning",
+        "Un erreur s'est produite lors de la mise à jour."
+      );
+      return false;
+    }
+    if (Name == "") {
+      Messages.Show("is-warning", "Veuillez choisir un nom pour la ville");
+      return false;
+    }
+    return true;
+  }
 }