diff --git a/src/app/services/backend.service.ts b/src/app/services/backend.service.ts
index 9881f47..239f82a 100644
--- a/src/app/services/backend.service.ts
+++ b/src/app/services/backend.service.ts
@@ -9,6 +9,8 @@ export class BackendService {
 
     constructor(private httpClient: HttpClient) {}
 
+    
+    // Tasks
     public getTasks(): Observable<HttpResponse<ScrumTask[]>> {
         const url = `${environment.apiUrl}/tasks`;
         return this.httpClient.get<ScrumTask[]>(url, { observe: 'response' });
@@ -35,8 +37,7 @@ export class BackendService {
     }
 
 
-
-
+    // Userstories
     public getUserstories(): Observable<HttpResponse<ScrumUserstory[]>> {
         const url = `${environment.apiUrl}/userstories`;
         return this.httpClient.get<ScrumUserstory[]>(url, { observe: 'response' });
@@ -62,6 +63,140 @@ export class BackendService {
         return this.httpClient.delete(url, {observe: 'response'});
     }
 
+
+    // Sprints
+    public getSprints(): Observable<HttpResponse<ScrumSprint[]>> {
+        const url = `${environment.apiUrl}/sprints`;
+        return this.httpClient.get<ScrumSprint[]>(url, { observe: 'response' });
+    }
+
+    public getSprint(id: number): Observable<HttpResponse<ScrumSprint>> {
+        const url = `${environment.apiUrl}/sprints/${id}`;
+        return this.httpClient.get<ScrumSprint>(url, { observe: 'response' });
+    }
+
+    public postSprint(sprint: ScrumSprint): Observable<HttpResponse<ScrumSprint>> {
+        const url = `${environment.apiUrl}/sprints`;
+        return this.httpClient.post<ScrumSprint>(url, sprint, { observe: 'response' });
+    }
+
+    public putSprint(sprint: ScrumSprint): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/sprints/${sprint.id}`;
+        return this.httpClient.put(url, sprint, { observe: 'response' });
+    }
+
+    public deleteSprint(sprint: ScrumSprint): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/sprints/${sprint.id}`;
+        return this.httpClient.delete(url, {observe: 'response'});
+    }
+
+
+    // Categories
+    public getCategories(): Observable<HttpResponse<ScrumCategory[]>> {
+        const url = `${environment.apiUrl}/categories`;
+        return this.httpClient.get<ScrumCategory[]>(url, { observe: 'response' });
+    }
+
+    public getCategory(id: number): Observable<HttpResponse<ScrumCategory>> {
+        const url = `${environment.apiUrl}/categories/${id}`;
+        return this.httpClient.get<ScrumCategory>(url, { observe: 'response' });
+    }
+
+    public postCategory(category: ScrumCategory): Observable<HttpResponse<ScrumCategory>> {
+        const url = `${environment.apiUrl}/categories`;
+        return this.httpClient.post<ScrumCategory>(url, category, { observe: 'response' });
+    }
+
+    public putCategory(category: ScrumCategory): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/categories/${category.id}`;
+        return this.httpClient.put(url, category, { observe: 'response' });
+    }
+
+    public deleteCategory(category: ScrumCategory): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/categories/${category.id}`;
+        return this.httpClient.delete(url, { observe: 'response' });
+    }
+
+    
+    // Status
+    public getAllStatus(): Observable<HttpResponse<ScrumStatus[]>> {
+        const url = `${environment.apiUrl}/status`;
+        return this.httpClient.get<ScrumStatus[]>(url, { observe: 'response' });
+    }
+
+    public getStatus(id: number): Observable<HttpResponse<ScrumStatus>> {
+        const url = `${environment.apiUrl}/status/${id}`;
+        return this.httpClient.get<ScrumStatus>(url, { observe: 'response' });
+    }
+
+    public postStatus(status: ScrumStatus): Observable<HttpResponse<ScrumStatus>> {
+        const url = `${environment.apiUrl}/status`;
+        return this.httpClient.post<ScrumStatus>(url, status, { observe: 'response' });
+    }
+
+    public putStatus(status: ScrumStatus): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/status/${status.id}`;
+        return this.httpClient.put(url, status, { observe: 'response' });
+    }
+
+    public deleteStatus(status: ScrumStatus): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/status/${status.id}`;
+        return this.httpClient.delete(url, { observe: 'response' });
+    }
+    
+    
+    // Users
+    public getUsers(): Observable<HttpResponse<ScrumUser[]>> {
+        const url = `${environment.apiUrl}/users`;
+        return this.httpClient.get<ScrumUser[]>(url, { observe: 'response' });
+    }
+
+    public getUser(id: number): Observable<HttpResponse<ScrumUser>> {
+        const url = `${environment.apiUrl}/users/${id}`;
+        return this.httpClient.get<ScrumUser>(url, { observe: 'response' });
+    }
+
+    public postUser(user: ScrumUser): Observable<HttpResponse<ScrumUser>> {
+        const url = `${environment.apiUrl}/users`;
+        return this.httpClient.post<ScrumUser>(url, user, { observe: 'response' });
+    }
+
+    public putUser(user: ScrumUser): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/users/${user.id}`;
+        return this.httpClient.put(url, user, { observe: 'response' });
+    }
+
+    public deleteUser(user: ScrumUser): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/users/${user.id}`;
+        return this.httpClient.delete(url, { observe: 'response' });
+    }
+
+    
+    // Projects
+    public getProjects(): Observable<HttpResponse<ScrumProject[]>> {
+        const url = `${environment.apiUrl}/projects`;
+        return this.httpClient.get<ScrumProject[]>(url, { observe: 'response' });
+    }
+
+    public getProject(id: number): Observable<HttpResponse<ScrumProject>> {
+        const url = `${environment.apiUrl}/projects/${id}`;
+        return this.httpClient.get<ScrumProject>(url, { observe: 'response' });
+    }
+
+    public postProject(project: ScrumProject): Observable<HttpResponse<ScrumProject>> {
+        const url = `${environment.apiUrl}/projects`;
+        return this.httpClient.post<ScrumProject>(url, project, { observe: 'response' });
+    }
+
+    public putProject(project: ScrumProject): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/projects/${project.id}`;
+        return this.httpClient.put(url, project, { observe: 'response' });
+    }
+
+    public deleteProject(project: ScrumProject): Observable<HttpResponse<any>> {
+        const url = `${environment.apiUrl}/projects/${project.id}`;
+        return this.httpClient.delete(url, { observe: 'response' });
+    }
 }
 
 export enum Priority {
@@ -127,6 +262,4 @@ export interface ScrumProject {
     id?: number;
     title: string;
     isprivate: boolean;
-}
-
-
+}
\ No newline at end of file
diff --git a/src/app/task-form/task-form.component.html b/src/app/task-form/task-form.component.html
index 114d1d2..b0a5f4e 100644
--- a/src/app/task-form/task-form.component.html
+++ b/src/app/task-form/task-form.component.html
@@ -1,18 +1,23 @@
 <div class="modal-content p-3">
+    <div>
+        <button (click) ="onClose()" type="button" class="close" aria-label="Close">
+            <span aria-hidden="true">&times;</span>
+        </button>
+    </div>
     <form (ngSubmit)="onSubmit()">
         <div class="form-group">
             <label for="Title">Titel</label>
-            <input type="text" class="form-control" id="Title" required name="title" [(ngModel)]="title">
+            <input type="text" class="form-control" id="Title" required name="title" [(ngModel)]="task.title">
         </div>
 
         <div class="form-group">
             <label for="Inhalt">Inhalt</label>
-            <input type="text" class="form-control" id="Content" required name="content" [(ngModel)]="content">
+            <input type="text" class="form-control" id="Content" required name="content" [(ngModel)]="task.content">
         </div>
 
         <div class="form-group">
             <label for="Prio">Prio</label>
-            <select class="form-control" id="prio" required name="prio" [(ngModel)]="prio">
+            <select class="form-control" id="prio" required name="prio" [(ngModel)]="task.priority">
                 <option value="low">Low</option>
                 <option value="medium">Medium</option>
                 <option value="high">High</option>
diff --git a/src/app/task-form/task-form.component.ts b/src/app/task-form/task-form.component.ts
index 832c55a..154e22f 100644
--- a/src/app/task-form/task-form.component.ts
+++ b/src/app/task-form/task-form.component.ts
@@ -1,6 +1,6 @@
 import { Component, OnInit, Input } from '@angular/core';
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
-import { BackendService, ScrumTask, Priority } from '../services/backend.service';
+import { BackendService, ScrumTask, Priority, ScrumStatus, ScrumCategory, ScrumUser, ScrumProject } from '../services/backend.service';
 
 @Component({
     selector: 'app-task-form',
@@ -9,29 +9,25 @@ import { BackendService, ScrumTask, Priority } from '../services/backend.service
 })
 export class TaskFormComponent implements OnInit {
 
-    public title: string;
-    public content: string;
-    public prio: Priority;
-
     @Input()
     public task: ScrumTask;
-    private submitted: boolean;
+    public editing: Boolean;
 
     constructor(private backendService: BackendService, private activeModalService: NgbActiveModal) { }
 
     ngOnInit(): void {
-        if (this.task !== null && this.task !== undefined) {
-            this.title = this.task.title;
-            this.content = this.task.content;
-            this.prio = this.task.priority;
+        if (this.task === null || this.task === undefined) {
+            this.task = {title: ""};
+            this.editing = false;
+        }
+        else
+        {
+            this.editing = true;
         }
     }
 
     onSubmit() {
-        if (this.task !== null && this.task !== undefined) {
-            this.task.title = this.title;
-            this.task.content = this.content;
-            this.task.priority = this.prio;
+        if (this.editing) {
             this.backendService.putTask(this.task).subscribe(response => {
                 if (response.status > 399) {
                   alert('Fehler');
@@ -39,14 +35,16 @@ export class TaskFormComponent implements OnInit {
               });
         }
         else {
-            this.task = { title: this.title, content: this.content, priority: this.prio };
             this.backendService.postTask(this.task).subscribe(response => {
                 if (response.status > 399) {
                   alert('Fehler');
                 }
               });
         }
-        this.submitted = true;
         this.activeModalService.close(this.task);
     }
+
+    onClose(){
+        this.activeModalService.dismiss(this.task);
+    }
 }
diff --git a/src/app/userstory-form/userstory-form.component.html b/src/app/userstory-form/userstory-form.component.html
index edb588c..70f3d0b 100644
--- a/src/app/userstory-form/userstory-form.component.html
+++ b/src/app/userstory-form/userstory-form.component.html
@@ -1,18 +1,23 @@
 <div class="modal-content p-3">
+    <div>
+        <button (click) ="onClose()" type="button" class="close" aria-label="Close">
+            <span aria-hidden="true">&times;</span>
+        </button>
+    </div>
     <form (ngSubmit)="onSubmit()">
         <div class="form-group">
             <label for="Title">Titel</label>
-            <input type="text" class="form-control" id="Title" required name="title" [(ngModel)]="title">
+            <input type="text" class="form-control" id="Title" required name="title" [(ngModel)]="userstory.title">
         </div>
 
         <div class="form-group">
             <label for="Inhalt">Inhalt</label>
-            <input type="text" class="form-control" id="Content" required name="content" [(ngModel)]="content">
+            <input type="text" class="form-control" id="Content" required name="content" [(ngModel)]="userstory.content">
         </div>
 
         <div class="form-group">
             <label for="Prio">Prio</label>
-            <select class="form-control" id="prio" required name="prio" [(ngModel)]="prio">
+            <select class="form-control" id="prio" required name="prio" [(ngModel)]="userstory.priority">
                 <option value="low">Low</option>
                 <option value="medium">Medium</option>
                 <option value="high">High</option>
diff --git a/src/app/userstory-form/userstory-form.component.ts b/src/app/userstory-form/userstory-form.component.ts
index 4fe28be..28f605f 100644
--- a/src/app/userstory-form/userstory-form.component.ts
+++ b/src/app/userstory-form/userstory-form.component.ts
@@ -9,29 +9,26 @@ import { BackendService, ScrumUserstory, Priority } from '../services/backend.se
 })
 export class UserstoryFormComponent implements OnInit {
 
-    public title: string;
-    public content: string;
-    public prio: Priority;
 
     @Input()
     public userstory: ScrumUserstory;
-    private submitted: boolean;
+    private editing: boolean;
 
     constructor(private backendService: BackendService, private activeModalService: NgbActiveModal) { }
 
     ngOnInit(): void {
-        if (this.userstory !== null && this.userstory !== undefined) {
-            this.title = this.userstory.title;
-            this.content = this.userstory.content;
-            this.prio = this.userstory.priority;
+        if (this.userstory === null || this.userstory === undefined) {
+            this.userstory = {title: ""};
+            this.editing = false;
+        }
+        else
+        {
+            this.editing = true;
         }
     }
 
     onSubmit() {
-        if (this.userstory !== null && this.userstory !== undefined) {
-            this.userstory.title = this.title;
-            this.userstory.content = this.content;
-            this.userstory.priority = this.prio;
+        if (this.editing) {
             this.backendService.putUserstory(this.userstory).subscribe(response => {
                 if (response.status > 399) {
                   alert('Fehler');
@@ -39,14 +36,15 @@ export class UserstoryFormComponent implements OnInit {
               });
         }
         else {
-            this.userstory = { title: this.title, content: this.content, priority: this.prio };
             this.backendService.postUserstory(this.userstory).subscribe(response => {
                 if (response.status > 399) {
                   alert('Fehler');
                 }
               });
         }
-        this.submitted = true;
         this.activeModalService.close(this.userstory);
     }
+    onClose(){
+        this.activeModalService.dismiss(this.userstory);
+    }
 }