diff --git a/src/app/components/backlog/backlog.component.html b/src/app/components/backlog/backlog.component.html
index 441a4db..0579765 100644
--- a/src/app/components/backlog/backlog.component.html
+++ b/src/app/components/backlog/backlog.component.html
@@ -74,10 +74,10 @@
               <p class="card-text">{{ story.content }}</p>
               <div title="Badges">
                 <span class="badge badge-primary"
-                  >Category: {{ story.categoryid || "N/A" }}</span
+                  >Category: {{ story.categoryId || "N/A" }}</span
                 >
                 <span class="badge badge-info"
-                  >Status: {{ story.statusid || "N/A" }}</span
+                  >Status: {{ story.statusId || "N/A" }}</span
                 >
               </div>
               <div
@@ -109,10 +109,10 @@
               <p class="card-text">{{ story.content }}</p>
               <div title="Badges">
                 <span class="badge badge-primary"
-                  >Category: {{ story.categoryid || "N/A" }}</span
+                  >Category: {{ story.categoryId || "N/A" }}</span
                 >
                 <span class="badge badge-info"
-                  >Status: {{ story.statusid || "N/A" }}</span
+                  >Status: {{ story.statusId || "N/A" }}</span
                 >
               </div>
               <div style="text-align: right;">
diff --git a/src/app/components/backlog/backlog.component.ts b/src/app/components/backlog/backlog.component.ts
index 110058a..f966f3d 100644
--- a/src/app/components/backlog/backlog.component.ts
+++ b/src/app/components/backlog/backlog.component.ts
@@ -74,22 +74,22 @@ export class BacklogComponent {
 
   /**
    * Getter that returns an array with all userstories that are in the currently selected sprint.
-   * The relation to the sprint is determined by the userstory's sprintid.
+   * The relation to the sprint is determined by the userstory's sprintId.
    * If no sprint is selected it just returns an empty array.
    */
   public get choosen(): ScrumUserstory[] {
     if (this.selectedSprint === undefined) {
       return null;
     }
-    return this.storys.filter((u) => u.sprintid == this.selectedSprint.id);
+    return this.storys.filter((u) => u.sprintId == this.selectedSprint.id);
   }
 
   /**
    * Getter that returns an array with all userstories that aren't in any sprint.
-   * The relation to no sprint is determined by the userstory's sprintid being undefined.
+   * The relation to no sprint is determined by the userstory's sprintId being undefined.
    */
   public get backlog(): ScrumUserstory[] {
-    return this.storys.filter((u) => u.sprintid === undefined);
+    return this.storys.filter((u) => u.sprintId === undefined);
   }
 
   /**
@@ -108,11 +108,11 @@ export class BacklogComponent {
   //#region backlogFunctions
 
   /**
-   * Adds a userstory to the currently selected sprint by changing it's sprintid to the current sprint's id
+   * Adds a userstory to the currently selected sprint by changing it's sprintId to the current sprint's id
    * @param userstory userstory object that shall be added to the selected sprint's backlog
    */
   public addToSprintBacklog(userstory: ScrumUserstory) {
-    userstory.sprintid = this.selectedSprint.id;
+    userstory.sprintId = this.selectedSprint.id;
     this.backendService.putUserstory(userstory).subscribe((response) => {
       if (response.status > 399) {
         alert('Fehler');
@@ -121,11 +121,11 @@ export class BacklogComponent {
   }
 
   /**
-   * Deletes a userstory from the currently selected sprint by changing it's sprintid to undefined
+   * Deletes a userstory from the currently selected sprint by changing it's sprintId to undefined
    * @param userstory userstory object that shall be removed from the selected sprint's backlog
    */
   public deleteFromSprintBacklog(userstory: ScrumUserstory) {
-    userstory.sprintid = undefined;
+    userstory.sprintId = undefined;
     this.backendService.putUserstory(userstory).subscribe((response) => {
       if (response.status > 399) {
         alert('Fehler');
diff --git a/src/app/components/dashboard/dashboard.component.ts b/src/app/components/dashboard/dashboard.component.ts
index e6710ce..be46283 100644
--- a/src/app/components/dashboard/dashboard.component.ts
+++ b/src/app/components/dashboard/dashboard.component.ts
@@ -15,7 +15,7 @@ export class DashboardComponent {
   public get usedStatus(): ScrumStatus[] {
     return this.status.filter(
       (s) =>
-        this.selectedSprintUserstories.find((us) => us.statusid === s.id) !==
+        this.selectedSprintUserstories.find((us) => us.statusId === s.id) !==
         undefined
     );
   }
@@ -28,7 +28,7 @@ export class DashboardComponent {
       return this.userstories;
     }
     return this.userstories.filter(
-      (us) => us.sprintid === this.selectedSprint.id
+      (us) => us.sprintId === this.selectedSprint.id
     );
   }
 
@@ -181,7 +181,7 @@ export class DashboardComponent {
    */
   public getNumberOfUserstoriesByStatus(status: ScrumStatus): number {
     return this.selectedSprintUserstories.filter(
-      (us) => us.statusid === status.id
+      (us) => us.statusId === status.id
     ).length;
   }
 
diff --git a/src/app/components/sprint-form/sprint-form.component.ts b/src/app/components/sprint-form/sprint-form.component.ts
index 06e2b3f..9a1028c 100644
--- a/src/app/components/sprint-form/sprint-form.component.ts
+++ b/src/app/components/sprint-form/sprint-form.component.ts
@@ -13,7 +13,7 @@ import { BackendService, ScrumSprint } from '../../services/backend.service';
 export class SprintFormComponent implements OnInit {
   @Input() public sprint: ScrumSprint;
   public editing: Boolean;
-  public sprintid: string;
+  public sprintId: string;
 
   constructor(
     private backendService: BackendService,
diff --git a/src/app/components/tabels/task/task-table.component.html b/src/app/components/tabels/task/task-table.component.html
index ebe6f20..978b207 100644
--- a/src/app/components/tabels/task/task-table.component.html
+++ b/src/app/components/tabels/task/task-table.component.html
@@ -66,13 +66,13 @@
           <th (click)="sortByStatus()" class="sortable">
             <span>Status</span>
             <span>
-              <span *ngIf="sortBy != 'statusid'"
+              <span *ngIf="sortBy != 'statusId'"
                 ><i class="fa fa-sort fa-lg"></i
               ></span>
-              <span *ngIf="sortDescending && sortBy === 'statusid'"
+              <span *ngIf="sortDescending && sortBy === 'statusId'"
                 ><i class="fa fa-sort-up fa-lg"></i
               ></span>
-              <span *ngIf="sortDescending === false && sortBy === 'statusid'"
+              <span *ngIf="sortDescending === false && sortBy === 'statusId'"
                 ><i class="fa fa-sort-down fa-lg"></i
               ></span>
             </span>
@@ -127,13 +127,13 @@
           <th (click)="sortByCategory()" class="sortable">
             <span>Category</span>
             <span>
-              <span *ngIf="sortBy != 'categoryid'"
+              <span *ngIf="sortBy != 'categoryId'"
                 ><i class="fa fa-sort fa-lg"></i
               ></span>
-              <span *ngIf="sortDescending && sortBy === 'categoryid'"
+              <span *ngIf="sortDescending && sortBy === 'categoryId'"
                 ><i class="fa fa-sort-up fa-lg"></i
               ></span>
-              <span *ngIf="sortDescending === false && sortBy === 'categoryid'"
+              <span *ngIf="sortDescending === false && sortBy === 'categoryId'"
                 ><i class="fa fa-sort-down fa-lg"></i
               ></span>
             </span>
@@ -150,24 +150,24 @@
           <td>{{ task.id }}</td>
           <td>{{ task.title }}</td>
           <td>
-            <a [routerLink]="['/userstories', { id: task.userstoryid }]">
-              US #{{ task.userstoryid }}
+            <a [routerLink]="['/userstories', { id: task.userstoryId }]">
+              US #{{ task.userstoryId }}
             </a>
           </td>
           <td>
-            <a [routerLink]="['/status', { id: task.statusid }]">
-              {{ getStatusTitleById(task.statusid) }}
+            <a [routerLink]="['/status', { id: task.statusId }]">
+              {{ getStatusTitleById(task.statusId) }}
             </a>
           </td>
           <td>{{ task.priority }}</td>
           <td>
-            <a [routerLink]="['/users', { id: task.assignedtoid }]">
-              {{ getUserNameById(task.assignedtoid) }}
+            <a [routerLink]="['/users', { id: task.assignedtoId }]">
+              {{ getUserNameById(task.assignedtoId) }}
             </a>
           </td>
           <td>
-            <a [routerLink]="['/categories', { id: task.categoryid }]">
-              {{ getCategoryTitleById(task.categoryid) }}
+            <a [routerLink]="['/categories', { id: task.categoryId }]">
+              {{ getCategoryTitleById(task.categoryId) }}
             </a>
           </td>
           <td>
diff --git a/src/app/components/tabels/task/task-table.component.ts b/src/app/components/tabels/task/task-table.component.ts
index 8a25550..09e18c0 100644
--- a/src/app/components/tabels/task/task-table.component.ts
+++ b/src/app/components/tabels/task/task-table.component.ts
@@ -76,7 +76,7 @@ export class TaskTableComponent extends TableComponentBase<ScrumTask> {
     return this.items.filter(
       (task) =>
         (this.filterUserstoryId === null ||
-          task.userstoryid === this.filterUserstoryId) &&
+          task.userstoryId === this.filterUserstoryId) &&
         (this.filterPriority === null || task.priority === this.filterPriority)
     );
   }
@@ -148,31 +148,31 @@ export class TaskTableComponent extends TableComponentBase<ScrumTask> {
   }
 
   /**
-   * Sorts the tabel's items by userstoryid.
+   * Sorts the tabel's items by userstoryId.
    */
   sortByTasks() {
-    this.doNumericSort('userstory', (task) => task.userstoryid);
+    this.doNumericSort('userstory', (task) => task.userstoryId);
   }
 
   /**
-   * Sorts the tabel's items by statusid
+   * Sorts the tabel's items by statusId
    */
   sortByStatus() {
-    this.doNumericSort('statusid', (task) => task.statusid);
+    this.doNumericSort('statusId', (task) => task.statusId);
   }
 
   /**
    * Sorts the tabel's items by assignedtoid
    */
   sortByAssigned() {
-    this.doNumericSort('assignedtoid', (task) => task.assignedtoid);
+    this.doNumericSort('assignedtoid', (task) => task.assignedtoId);
   }
 
   /**
-   * Sorts the tabel's items by categoryid
+   * Sorts the tabel's items by categoryId
    */
   sortByCategory() {
-    this.doNumericSort('categoryid', (task) => task.categoryid);
+    this.doNumericSort('categoryId', (task) => task.categoryId);
   }
   //#endregion sorters
 
diff --git a/src/app/components/tabels/userstory-inner-table/userstory-inner-table.component.html b/src/app/components/tabels/userstory-inner-table/userstory-inner-table.component.html
index ea775a7..b876b5e 100644
--- a/src/app/components/tabels/userstory-inner-table/userstory-inner-table.component.html
+++ b/src/app/components/tabels/userstory-inner-table/userstory-inner-table.component.html
@@ -48,13 +48,13 @@
       <th (click)="sortByStatus()" class="sortable">
         <span>Status</span>
         <span>
-          <span *ngIf="sortBy != 'statusid'"
+          <span *ngIf="sortBy != 'statusId'"
             ><i class="fa fa-sort fa-lg"></i
           ></span>
-          <span *ngIf="sortDescending && sortBy === 'statusid'"
+          <span *ngIf="sortDescending && sortBy === 'statusId'"
             ><i class="fa fa-sort-up fa-lg"></i
           ></span>
-          <span *ngIf="sortDescending === false && sortBy === 'statusid'"
+          <span *ngIf="sortDescending === false && sortBy === 'statusId'"
             ><i class="fa fa-sort-down fa-lg"></i
           ></span>
         </span>
@@ -94,13 +94,13 @@
       <th (click)="sortByCategory()" class="sortable">
         <span>Category</span>
         <span>
-          <span *ngIf="sortBy != 'categoryid'"
+          <span *ngIf="sortBy != 'categoryId'"
             ><i class="fa fa-sort fa-lg"></i
           ></span>
-          <span *ngIf="sortDescending && sortBy === 'categoryid'"
+          <span *ngIf="sortDescending && sortBy === 'categoryId'"
             ><i class="fa fa-sort-up fa-lg"></i
           ></span>
-          <span *ngIf="sortDescending === false && sortBy === 'categoryid'"
+          <span *ngIf="sortDescending === false && sortBy === 'categoryId'"
             ><i class="fa fa-sort-down fa-lg"></i
           ></span>
         </span>
@@ -122,14 +122,14 @@
         </a>
       </td>
       <td>
-        <a [routerLink]="['/status', { id: userstory.statusid }]">
-          {{ getStatusTitleById(userstory.statusid) }}
+        <a [routerLink]="['/status', { id: userstory.statusId }]">
+          {{ getStatusTitleById(userstory.statusId) }}
         </a>
       </td>
       <td>{{ userstory.priority }}</td>
       <td>
-        <a [routerLink]="['/categories', { id: userstory.categoryid }]">
-          {{ getCategoryTitleById(userstory.categoryid) }}
+        <a [routerLink]="['/categories', { id: userstory.categoryId }]">
+          {{ getCategoryTitleById(userstory.categoryId) }}
         </a>
       </td>
       <td>
diff --git a/src/app/components/tabels/userstory-inner-table/userstory-inner-table.component.ts b/src/app/components/tabels/userstory-inner-table/userstory-inner-table.component.ts
index 1f2643f..ecd92cf 100644
--- a/src/app/components/tabels/userstory-inner-table/userstory-inner-table.component.ts
+++ b/src/app/components/tabels/userstory-inner-table/userstory-inner-table.component.ts
@@ -17,9 +17,7 @@ import { ActivatedRoute, ParamMap, Router } from '@angular/router';
   templateUrl: './userstory-inner-table.component.html',
   styleUrls: ['./userstory-inner-table.component.css'],
 })
-export class UserstoryInnerTableComponent extends TableComponentBase<
-  ScrumUserstory
-> {
+export class UserstoryInnerTableComponent extends TableComponentBase<ScrumUserstory> {
   public tasks: ScrumTask[] = [];
   public filterPriority: string | null = null;
   public status: ScrumStatus[] = [];
@@ -40,14 +38,14 @@ export class UserstoryInnerTableComponent extends TableComponentBase<
     protected route: ActivatedRoute
   ) {
     super(route);
-    
-      backendService.getUserstories().subscribe((response) => {
-        if (response.status > 399) {
-          alert('Fehler');
-        } else {
-          this.items.push(...response.body);
-        }
-      });
+
+    backendService.getUserstories().subscribe((response) => {
+      if (response.status > 399) {
+        alert('Fehler');
+      } else {
+        this.items.push(...response.body);
+      }
+    });
     backendService.getTasks().subscribe((response) => {
       if (response.status > 399) {
         alert('Fehler');
@@ -86,11 +84,11 @@ export class UserstoryInnerTableComponent extends TableComponentBase<
 
   /**
    * Returns the number of related tasks of a given userstory.
-   * The relation is defined by the userstoryid property of the task object and the id property of the userstory object.
+   * The relation is defined by the userstoryId property of the task object and the id property of the userstory object.
    * @param userstory The userstory for which the number of related tasks gets calculated
    */
   public getNumberOfTasks(userstory: ScrumUserstory) {
-    return this.tasks.filter((t) => t.userstoryid === userstory.id).length;
+    return this.tasks.filter((t) => t.userstoryId === userstory.id).length;
   }
 
   /**
@@ -116,6 +114,7 @@ export class UserstoryInnerTableComponent extends TableComponentBase<
     }
     return category.title;
   }
+
   //#endregion getters
 
   //#region userstoryTableFunctions
@@ -134,6 +133,7 @@ export class UserstoryInnerTableComponent extends TableComponentBase<
       this.items.splice(index, 1);
     }
   }
+
   //#endregion userstoryTableFunctions
 
   //#region sorters
@@ -152,18 +152,19 @@ export class UserstoryInnerTableComponent extends TableComponentBase<
   }
 
   /**
-   * Sorts the tabel's items by statusid
+   * Sorts the tabel's items by statusId
    */
   public sortByStatus() {
-    this.doNumericSort('statusid', (us) => us.statusid);
+    this.doNumericSort('statusId', (us) => us.statusId);
   }
 
   /**
-   * Sorts the tabel's items by categoryid
+   * Sorts the tabel's items by categoryId
    */
   public sortByCategory() {
-    this.doNumericSort('categoryid', (us) => us.categoryid);
+    this.doNumericSort('categoryId', (us) => us.categoryId);
   }
+
   //#endregion sorters
 
   //#region modals
@@ -184,5 +185,6 @@ export class UserstoryInnerTableComponent extends TableComponentBase<
     }
     modalRef.componentInstance.userstory = editUserstory;
   }
+
   //#endregion modals
 }
diff --git a/src/app/components/task-form/task-form.component.html b/src/app/components/task-form/task-form.component.html
index fcb670b..8fcb870 100644
--- a/src/app/components/task-form/task-form.component.html
+++ b/src/app/components/task-form/task-form.component.html
@@ -19,7 +19,7 @@
               aria-expanded="false"
             >
               Gehört zu Story:
-              {{ getUserstoryTitleById(task.userstoryid) || "Keine" }}
+              {{ getUserstoryTitleById(task.userstoryId) || "Keine" }}
               <i class="fa fa-caret-down"></i>
             </span>
             <div
@@ -30,7 +30,7 @@
               <option
                 ngbDropdownItem
                 *ngFor="let userstory of userstories"
-                (click)="task.userstoryid = userstory.id"
+                (click)="task.userstoryId = userstory.id"
                 >{{ userstory.title }}</option
               >
             </div>
@@ -104,7 +104,7 @@
                   aria-haspopup="true"
                   aria-expanded="false"
                 >
-                  Status: {{ getStatusTitleById(task.statusid) }}
+                  Status: {{ getStatusTitleById(task.statusId) }}
                 </button>
                 <div
                   ngbDropdownMenu
@@ -116,7 +116,7 @@
                     disable-auto-close
                     ngbDropdownItem
                     *ngFor="let status of allStatus"
-                    (click)="task.statusid = status.id"
+                    (click)="task.statusId = status.id"
                     >{{ status.title }}</option
                   >
 
@@ -145,7 +145,7 @@
                     ngbDropdownItem
                     class="dropdown-item"
                     type="button"
-                    (click)="deleteStatus(task.statusid)"
+                    (click)="deleteStatus(task.statusId)"
                   >
                     Status löschen
                   </button>
@@ -157,7 +157,7 @@
                   id="status"
                   required
                   name="status"
-                  [(ngModel)]="task.statusid"
+                  [(ngModel)]="task.statusId"
                 >
                   <option
                     *ngFor="let status of allStatus"
@@ -178,7 +178,7 @@
                   aria-haspopup="true"
                   aria-expanded="false"
                 >
-                  Bearbeiter: {{ getAuthorById(task.assignedtoid) }}
+                  Bearbeiter: {{ getAuthorById(task.assignedtoId) }}
                 </button>
                 <div
                   ngbDropdownMenu
@@ -190,7 +190,7 @@
                     disable-auto-close
                     ngbDropdownItem
                     *ngFor="let user of allUser"
-                    (click)="task.assignedtoid = user.id"
+                    (click)="task.assignedtoId = user.id"
                     >{{ user.name }}</option
                   >
                 </div>
@@ -201,7 +201,7 @@
                   id="assignedto"
                   required
                   name="assignedto"
-                  [(ngModel)]="task.assignedtoid"
+                  [(ngModel)]="task.assignedtoId"
                 >
                   <option *ngFor="let user of allUser" [value]="user.id">{{
                     user.name
diff --git a/src/app/components/task-form/task-form.component.ts b/src/app/components/task-form/task-form.component.ts
index af92610..129b08f 100644
--- a/src/app/components/task-form/task-form.component.ts
+++ b/src/app/components/task-form/task-form.component.ts
@@ -48,7 +48,7 @@ export class TaskFormComponent implements OnInit {
       this.task = { title: '' };
       this.editing = false;
       this.creating = false;
-    } else if (this.task.userstoryid) {
+    } else if (this.task.userstoryId) {
       this.editing = true;
     } else {
       this.creating = true;
@@ -84,11 +84,11 @@ export class TaskFormComponent implements OnInit {
   // Getting the userstory which is related to a task.
   // The related story will be shown in popup window of a task.
   getRelatedStory() {
-    if (!this.task.userstoryid) {
+    if (!this.task.userstoryId) {
       return null;
     }
     this.backendService
-      .getUserstory(this.task.userstoryid)
+      .getUserstory(this.task.userstoryId)
       .subscribe((response) => {
         if (response.status > 399) {
           alert('Fehler');
@@ -145,7 +145,7 @@ export class TaskFormComponent implements OnInit {
           this.allStatus.splice(index, 1);
         }
       }
-      this.task.statusid = null;
+      this.task.statusId = null;
     });
   }
 
diff --git a/src/app/components/userstory-form/userstory-form.component.html b/src/app/components/userstory-form/userstory-form.component.html
index 6923853..c498535 100644
--- a/src/app/components/userstory-form/userstory-form.component.html
+++ b/src/app/components/userstory-form/userstory-form.component.html
@@ -78,7 +78,7 @@
                   aria-haspopup="true"
                   aria-expanded="false"
                 >
-                  Status: {{ getStatusTitleById(userstory.statusid) }}
+                  Status: {{ getStatusTitleById(userstory.statusId) }}
                 </button>
                 <div
                   ngbDropdownMenu
@@ -90,7 +90,7 @@
                     disable-auto-close
                     ngbDropdownItem
                     *ngFor="let status of allStatus"
-                    (click)="userstory.statusid = status.id"
+                    (click)="userstory.statusId = status.id"
                     >{{ status.title }}</option
                   >
 
@@ -119,7 +119,7 @@
                     ngbDropdownItem
                     class="dropdown-item"
                     type="button"
-                    (click)="deleteStatus(userstory.statusid)"
+                    (click)="deleteStatus(userstory.statusId)"
                   >
                     Status löschen
                   </button>
@@ -131,7 +131,7 @@
                   id="prio"
                   required
                   name="prio"
-                  [(ngModel)]="userstory.statusid"
+                  [(ngModel)]="userstory.statusId"
                 >
                   <option
                     *ngFor="let status of allStatus"
@@ -152,7 +152,7 @@
                   aria-haspopup="true"
                   aria-expanded="false"
                 >
-                  Kategorie: {{ getCategoryById(userstory.categoryid) }}
+                  Kategorie: {{ getCategoryById(userstory.categoryId) }}
                 </button>
                 <div
                   ngbDropdownMenu
@@ -164,7 +164,7 @@
                     disable-auto-close
                     ngbDropdownItem
                     *ngFor="let category of allCategories"
-                    (click)="userstory.categoryid = category.id"
+                    (click)="userstory.categoryId = category.id"
                     >{{ category.title }}</option
                   >
 
@@ -193,7 +193,7 @@
                     ngbDropdownItem
                     class="dropdown-item"
                     type="button"
-                    (click)="deleteCategory(userstory.categoryid)"
+                    (click)="deleteCategory(userstory.categoryId)"
                   >
                     Kategorie löschen
                   </button>
@@ -205,7 +205,7 @@
                   id="prio"
                   required
                   name="prio"
-                  [(ngModel)]="userstory.categoryid"
+                  [(ngModel)]="userstory.categoryId"
                 >
                   <option
                     *ngFor="let category of allCategories"
@@ -226,7 +226,7 @@
                   aria-haspopup="true"
                   aria-expanded="false"
                 >
-                  Autor: {{ getAuthorById(userstory.createdbyid) }}
+                  Autor: {{ getAuthorById(userstory.createdbyId) }}
                 </button>
                 <div
                   ngbDropdownMenu
@@ -238,7 +238,7 @@
                     disable-auto-close
                     ngbDropdownItem
                     *ngFor="let user of allUser"
-                    (click)="userstory.createdbyid = user.id"
+                    (click)="userstory.createdbyId = user.id"
                     >{{ user.name }}</option
                   >
                 </div>
@@ -249,7 +249,7 @@
                   id="prio"
                   required
                   name="prio"
-                  [(ngModel)]="userstory.createdbyid"
+                  [(ngModel)]="userstory.createdbyId"
                 >
                   <option *ngFor="let user of allUser" [value]="user.id">{{
                     user.name
diff --git a/src/app/components/userstory-form/userstory-form.component.ts b/src/app/components/userstory-form/userstory-form.component.ts
index b0dc92b..81c57bc 100644
--- a/src/app/components/userstory-form/userstory-form.component.ts
+++ b/src/app/components/userstory-form/userstory-form.component.ts
@@ -115,7 +115,7 @@ export class UserstoryFormComponent implements OnInit {
           this.allStatus.splice(index, 1);
         }
       }
-      this.userstory.statusid = null;
+      this.userstory.statusId = null;
     });
   }
 
@@ -195,7 +195,7 @@ export class UserstoryFormComponent implements OnInit {
           this.allCategories.splice(index, 1);
         }
       }
-      this.userstory.categoryid = null;
+      this.userstory.categoryId = null;
     });
   }
   // Shows the before choosen category in the category-field in the popup window.
diff --git a/src/app/services/backend.service.ts b/src/app/services/backend.service.ts
index ef79bad..4fcc512 100644
--- a/src/app/services/backend.service.ts
+++ b/src/app/services/backend.service.ts
@@ -348,12 +348,12 @@ export interface ScrumTask {
   id?: number;
   title: string;
   content?: string;
-  statusid?: number;
-  categoryid?: number;
-  assignedtoid?: number;
-  sprintid?: number;
-  projectid?: number;
-  userstoryid?: number;
+  statusId?: number;
+  categoryId?: number;
+  assignedtoId?: number;
+  sprintId?: number;
+  projectId?: number;
+  userstoryId?: number;
   priority?: Priority;
 }
 
@@ -367,11 +367,11 @@ export interface ScrumUserstory {
   title: string;
   content?: string;
   priority?: Priority;
-  statusid?: number;
-  categoryid?: number;
-  sprintid?: number;
-  createdbyid?: number;
-  projectid?: number;
+  statusId?: number;
+  categoryId?: number;
+  sprintId?: number;
+  createdbyId?: number;
+  projectId?: number;
 }
 
 /**
@@ -386,7 +386,7 @@ export interface ScrumSprint{
     description?: string;
     startDate: string;
     endDate: string;
-    projectid?: number;
+    projectId?: number;
 }
 
 /**