C# 使用文件选择器在图像UI元素中设置图片

在我的应用程序中，用户可以从设备内存（即平板电脑内存或桌面本地驱动器）设置配置文件pic，并将其上载到服务器。 我使用了文件选择器，这样用户可以选择一张图片并将其设置为配置文件图片，但问题是图片没有粘附到图像元素上。 我的代码：

我得到的文件路径是这个

filePath=C:\Users\Prateek\Pictures\IMG_0137.JPG

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我不知道出了什么问题。

我不确定这是否能解决问题，这就是我设置图像源所做的

使用位图图像作为图像的源

BitmapImage bitmapimage = new BitmapImage();
StorageFile file = await openPicker.PickSingleFileAsync();
var stream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
await bitmapimage.SetSourceAsync(stream);
profilePicture.Source = bitmapImage;

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我用过这个代码

        var picker = new Windows.Storage.Pickers.FileOpenPicker();
        picker.ViewMode = Windows.Storage.Pickers.PickerViewMode.Thumbnail;
        picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.PicturesLibrary;
        picker.FileTypeFilter.Add(".jpg");
        picker.FileTypeFilter.Add(".jpeg");
        picker.FileTypeFilter.Add(".png");

        Windows.Storage.StorageFile file = await picker.PickSingleFileAsync();
        if (file != null)
        {
            this.textBlock.Text = 
                "File Path: " + file.Path + Environment.NewLine + 
                "File Name: " + file.Name;

            try
            {
                var stream = await file.OpenReadAsync();
                var imageSource = new BitmapImage();
                await imageSource.SetSourceAsync(stream);

                this.image.Source = imageSource;
            }
            catch (Exception ex)
            {
                this.textBlock.Text = ex.ToString();
            }
        }
        else
        {
            this.textBlock.Text = "Operation cancelled.";
        }

        var picker = new Windows.Storage.Pickers.FileOpenPicker();
        picker.ViewMode = Windows.Storage.Pickers.PickerViewMode.Thumbnail;
        picker.SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.PicturesLibrary;
        picker.FileTypeFilter.Add(".jpg");
        picker.FileTypeFilter.Add(".jpeg");
        picker.FileTypeFilter.Add(".png");

        Windows.Storage.StorageFile file = await picker.PickSingleFileAsync();
        if (file != null)
        {
            this.textBlock.Text = 
                "File Path: " + file.Path + Environment.NewLine + 
                "File Name: " + file.Name;

            try
            {
                var stream = await file.OpenReadAsync();
                var imageSource = new BitmapImage();
                await imageSource.SetSourceAsync(stream);

                this.image.Source = imageSource;
            }
            catch (Exception ex)
            {
                this.textBlock.Text = ex.ToString();
            }
        }
        else
        {
            this.textBlock.Text = "Operation cancelled.";
        }