Android 需要将所选图像从SD卡发送到ASP.net web服务器

我需要将所选图像发送到web服务器。用于从中选择图像的代码 SD卡如下所示。我在谷歌上搜索过很多次。但仍然没有找到解决我问题的正确方法。有人可以建议我如何将所选图像发送到web服务器吗。web服务器是ASP.net web服务器。我找到了许多要发送的代码 将数据发送到internet上的php web服务器，但未找到要发送到ASP.net web服务器的代码。请帮帮我。我不熟悉安卓系统。所以我不知道发送图像的步骤/ 视频数据通过网络服务器传输

// I have added a button to select the image

Button imgbrowse=(Button)findViewById(R.id.imgbrowse); 

imgbrowse.setOnClickListener(new OnClickListener() 
{

@Override
public void onClick(View v) {
    // TODO Auto-generated method stub
    Intent i = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
            startActivityForResult(i, RESULT_LOAD_IMAGE);

        }
});

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    // TODO Auto-generated method stub
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK && null != data) {
        Uri selectedImage = data.getData();
        String[] filePathColumn = { MediaStore.Images.Media.DATA };

        Cursor cursor = getContentResolver().query(selectedImage,
                filePathColumn, null, null, null);
        cursor.moveToFirst();

        int columnIndex = cursor.getColumnIndex(filePathColumn[0]);

//the path where the image is located is stored in string variable

String picturePath = cursor.getString(columnIndex);         
        cursor.close();

    //Displaying the selected image in the image view. 

        ImageView imageView = (ImageView) findViewById(R.id.imageView1);
        imageView.setImageBitmap(BitmapFactory.decodeFile(picturePath));

    //Displaying the path of the selected image

        TextView tv=(TextView)findViewById(R.id.textView5);
        tv.setText(picturePath);

    }
}

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