how to post formdata or http.context.form data from angular 6 to asp.net mvc web api or api using Token based authentication with header
_____________________________________________________________________
Create form data :-
const formdata = new FormData();
formdata.append('postJson', JSON.stringify(postJson));
_____________________________________________________________________
Attach Form data To Form-data object and call contract service to post data :-
this.PostService.Postdata(formdata).then((res: any) => {
this.loggerService.info(res.status);
this.responseStatus = res.status;
this.responseDraftId = res.result.alfResponse.draftId;
if (res.status === 200) {
this.responseFilePath = res.result ? (res.result.FullFilePath ? res.result.FullFilePath : '') : '';
this.showPopup('success', 'Success!', res.result.Reference + ' File has been created successfully.');
} else {
this.showPopup('error', 'Error!', 'Error while submit Contract!');
}
}).catch(error => {
this.loggerService.error(error);
this.showPopup('error', 'Error!', 'Error while submit Contract!');
});
}
______________________________________________________________________________
create Service "Post Service" with Promises :-
PostService(data: any): Promise<any> {
return new Promise((resolve, reject) => {
this.apiService.postWithformHeader('Contract/GenerateContract', data).subscribe((res: any) => {
return resolve(res);
}, (err) => {
reject(err);
});
});
}
//note apiservice is class name where this method is write
_________________________________________________________________________________
method for form data header Attach with Token :-
postWithformHeader(URL, data) {
this.spinner.displaySpinner(true);
const optionsData: any;
if(localstorage.getkey('mytoken'))
{
optionsData = {
headers: this.createAuthorizationHeader(),
};
}
else{
this.router.navigate(['login']);
}
const response = this.http.post(this.appUrl + URL, data,optionsData).map((res => {
this.spinner.displaySpinner(false);
return res;
})).catch((error: any) => {
this.spinner.displaySpinner(false);
return this.httpErrorHandler.handleError('api-service', error, URL);
});
return response;
}
_________________________________________________________________________________
Method for create header :-
createAuthorizationHeader() {
let headers = new HttpHeaders();
headers = headers.append('authorization', 'Bearer ' + localstorage.getkey('mytoken'));
return headers;
}
________________________________________________________________________________
