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//from products.cs public string Imagess { get; set; } public async Task<string> GetStudentsKey(string _id) { var evaluateID = (await client .Child("students") .OnceAsync<students>()).FirstOrDefault (a => a.Object.ID == _id); if (evaluateID != null) { studkey = evaluateID.Key; ID = evaluateID.Object.ID; fname = evaluateID.Object.FirstName; lname = evaluateID.Object.LastName; gender = evaluateID.Object.Gender; address = evaluateID.Object.Address; contactnumber = evaluateID.Object.ContactNumber; images = evaluateID.Object.Imagess; return evaluateID.Key; } return null; } //editpage.cs private async void btnupdate_Clicked(object sender, EventArgs e) { var imag = images; await _students.EditStudent(txtid.Text, txtfname.Text, txtlname.Text, txtgender.Text, txtaddress.Text, txtcontactnumber.Text, imag); await DisplayAlert("Update Successfully", "", "Ok!!"); Application.Current!.MainPage = new AppShell(); } // mainpage.cs private async void itemedititstudent_Invoked(object sender, EventArgs e) { var item = sender as SwipeItemView; if (item == null) return; if (item.BindingContext is students details) { studkey = await _Students.GetStudentsKey(details.ID); //await DisplayAlert("", images, "Ok"); await Navigation.PushAsync(new EditStudent()); } }
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