コード例 #1
0
    protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            string ID   = (Request.QueryString["ID"] != null) ? Request.QueryString["ID"] : "";
            string Type = (Request.QueryString["Type"] != null) ? Request.QueryString["Type"] : "";


            if (Type == "Visitors")
            {
                dt = DBFun.FetchData("SELECT TOP 1 VisImage FROM VisitorsCard WHERE VisIdentityNo='" + ID + "' ORDER BY VisCardID DESC");
            }
            if (Type == "VisitorsTmp")
            {
                dt = DBFun.FetchData("SELECT photo FROM TempImage WHERE Type = 'Visitors'  AND EmpID ='" + ID + "'");
            }

            if (Type == "Employee")
            {
                dt = DBFun.FetchData("SELECT image FROM EmployeeMaster WHERE EmpNationalID ='" + ID + "'");
            }
            if (Type == "EmployeeTmp")
            {
                dt = DBFun.FetchData("SELECT photo FROM TempImage WHERE Type = 'Employee'  AND EmpID ='" + ID + "'");
            }

            if (Type == "Logo")
            {
                dt = DBFun.FetchData("SELECT AppLogo FROM ApplicationSetup");
            }
            if (Type == "LogoTmp")
            {
                dt = DBFun.FetchData("SELECT photo FROM TempImage WHERE Type = 'Logo' AND EmpID ='" + ID + "'");
            }

            //ReadImage

            if (DBFun.IsNullOrEmpty(dt))
            {
                return;
            }
            if (Type == "Visitors" || Type == "Company" || Type == "Student" || Type == "Employee")
            {
                Response.BinaryWrite(CryptoImage.DecryptBytes((Byte[])dt.Rows[0][0]));
                Response.End();
            }
            else
            {
                Response.BinaryWrite((Byte[])dt.Rows[0][0]);
                Response.End();
            }
        }
        catch (Exception e1) { }
    }
コード例 #2
0
    //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    public void GetImage(out byte[] pImage, out string pImageContentType, out int pImageLength)
    {
        pImage            = new Byte[0];
        pImageContentType = "";
        pImageLength      = 0;

        string fileName  = FindID() + ".jpeg";
        string path      = Server.MapPath(FindTempImagePath()) + fileName;
        bool   available = System.IO.File.Exists(path);

        try
        {
            dt = DBFun.FetchData("SELECT * FROM TempImage WHERE Type = '" + Type + "' AND EmpID='" + FindID() + "'");
            if (DBFun.IsNullOrEmpty(dt))
            {
                if (available)
                {
                    try
                    {
                        int    len                   = System.IO.Path.GetFullPath(path).Length;
                        byte[] imageData             = new Byte[100000];
                        System.IO.FileStream newFile = new System.IO.FileStream(path, System.IO.FileMode.Open);
                        newFile.Read(imageData, 0, imageData.Length);
                        pImage            = (byte[])imageData;
                        pImageContentType = "image/pjpeg";
                        pImageLength      = imageData.Length;
                    }
                    catch (Exception e1) { System.IO.File.Delete(path); }
                }
                else
                {
                    DataTable imgdt = DBFun.FetchData(FindQuery());
                    if (!DBFun.IsNullOrEmpty(imgdt))
                    {
                        if (!IsEncryption)
                        {
                            pImage = (Byte[])imgdt.Rows[0]["Image"];
                        }
                        else
                        {
                            pImage = CryptoImage.DecryptBytes((Byte[])imgdt.Rows[0]["Image"]);
                        }
                        pImageContentType = imgdt.Rows[0]["ImageType"].ToString();
                        pImageLength      = Convert.ToInt32(imgdt.Rows[0]["ImageLen"]);
                    }
                }
            }
            else
            {
                pImage            = (Byte[])dt.Rows[0]["photo"];
                pImageContentType = dt.Rows[0]["PhotoType"].ToString();
                pImageLength      = Convert.ToInt32(dt.Rows[0]["PhotoLength"]);
            }

            int returnValue = DBFun.ExecuteData("DELETE FROM TempImage WHERE Type = '" + Type + "' AND EmpID='" + FindID() + "'");
        }
        catch (Exception e2)
        {
            int returnValue = DBFun.ExecuteData("DELETE FROM TempImage WHERE Type = '" + Type + "' AND EmpID='" + FindID() + "'");
        }
    }