How to Convert Image as Binary and Binary to Image

string StrExtension = Path.GetExtension(FUHeaderLogo.PostedFile.FileName.ToString());

byte[] ImgBinary = System.IO.File.ReadAllBytes(FUHeaderLogo.PostedFile.FileName.ToString());

Method 1

void GetPrescriptionImages(int AppId, int CenterId)

{

DataTable DtImgs = ObjAppointmentBL.GetPrescriptionImages(AppId, CenterId);

if (DtImgs.Rows.Count > 0)

{

Session["PrescriptionUrl"] = DtImgs.Rows[0]["PrescriptionUrl"].ToString();

foreach (DataRow _Row in DtImgs.Rows)

{

string[] _Url = _Row[1].ToString().Split('\\');

string DirectoryPath = System.Web.Hosting.HostingEnvironment.MapPath("~/ScanImagePrescriptions/") + _Url[2].ToString() + "\\";

if (Directory.Exists(DirectoryPath) == false)

{

Directory.CreateDirectory(DirectoryPath);

}

if (!File.Exists(DirectoryPath + _Url[3].ToString()))

{

byte[] _Img = (byte[])_Row[2];

MemoryStream ms = new MemoryStream(_Img);

FileStream fs = new FileStream

 (DirectoryPath + _Url[3].ToString(), FileMode.Create);

ms.WriteTo(fs);

ms.Close();

fs.Close();

fs.Dispose();

}

}

}

else

Session["PrescriptionUrl"] = "";

}

Method 2

void CreateBinayImages(int CenterId, string filename, DataTable DtBinaryImgs)

{

try

{

if (DtBinaryImgs.Rows.Count > 0)

{

string DirectoryPath = filename.Replace("DownLoadReports.pdf", "");

byte[] _Img = (byte[])DtBinaryImgs.Rows[0]["ImgHeaderBinayByte"];

MemoryStream ms = new MemoryStream(_Img);

FileStream fs = new FileStream

 (DirectoryPath + Convert.ToString(CenterId) + DtBinaryImgs.Rows[0]["ImgExtension"].ToString(), FileMode.Create);

ms.WriteTo(fs);

ms.Close();

fs.Close();

fs.Dispose();

}

}

catch (Exception Ex)

{

}

}

Method 3

public void GetLoadedImages()

{

try

{

DataSet DsImages = ObjUsersBL.SelectDataSet(Convert.ToString(Session["_ConString"]), "Select ImgHeaderBinayByte,ImgExtension from tblCentreSelection where Centreid='" + Session["_SelCen"] + "'");

if (DsImages.Tables[0].Rows.Count > 0)

{

string DirectoryPath = System.Web.Hosting.HostingEnvironment.MapPath("~/HeaderLogos/");

byte[] _Img = (byte[])DsImages.Tables[0].Rows[0]["ImgHeaderBinayByte"];

MemoryStream ms = new MemoryStream(_Img);

FileStream fs = new FileStream

 (DirectoryPath + "\\" + Session["_SelCen"].ToString() + DsImages.Tables[0].Rows[0]["ImgExtension"].ToString(), FileMode.Create);

ms.WriteTo(fs);

ms.Close();

fs.Close();

fs.Dispose();

if (File.Exists(DirectoryPath + Session["_SelCen"].ToString() + DsImages.Tables[0].Rows[0]["ImgExtension"].ToString()))

{

ImgView.Visible = true;

ImgView.ImageUrl = "~/HeaderLogos/" + Session["_SelCen"].ToString() + DsImages.Tables[0].Rows[0]["ImgExtension"].ToString();

}

}

}

catch (Exception Ex)

{

log.Info("GetLoadedImages() : ADMIN : ImgHeaderLogoUpdater.aspx", Ex);

}

}