Get Response in DataSet

DataSet GetResponse(string str_BlogUrl)
{


WebResponse ObjWebResp;
WebRequest ObjWebReq;
StreamReader ObjReader;
XmlTextReader xmlread;


ObjWebReq = WebRequest.Create(str_BlogUrl);
ObjWebReq.Timeout = 6000;
ObjWebResp = ObjWebReq.GetResponse();
ObjReader = new StreamReader(ObjWebResp.GetResponseStream());

xmlread = new XmlTextReader(ObjReader);

DataSet ds = new DataSet();
ds.ReadXml(xmlread);

ObjReader.Close();
ObjReader.Dispose();
ObjWebResp.Close();
return ds;
}

Convert Image into Base64String

//convert image into Base64string
string GetBase64String(string str_imagepathString)
{
string str_image = str_imagepathString;
WebClient wc = new WebClient();
byte[] myimage;
string str_base64 = null;
myimage = wc.DownloadData(str_image);
str_base64 = Convert.ToBase64String(myimage);
return str_base64;
}