store image in a variable

hi
i want to store image in a variable from folder. is it possible.
actually i m editing an image using bitmap image. i m writing text on it. it is working fine . now i want to add a small picture on that image. can anyone help me?


this is my code


string cs = System.Configuration.ConfigurationManager.ConnectionStrings["cmsCS"].ConnectionString;

                  System.Data.SqlClient.SqlConnection sqlconn = new System.Data.SqlClient.SqlConnection(cs);
                System.Data.SqlClient.SqlDataAdapter da = new System.Data.SqlClient.SqlDataAdapter();
                System.Data.DataTable dt = new System.Data.DataTable();

                da.SelectCommand = new System.Data.SqlClient.SqlCommand("SELECT  StudentName ,FatherName, CourseStartDate,CourseEndDate,Percentage,Grade,TestName,TestDate,TranscriptId,Certificate,CourseId FROM RegularStudents WHERE (RegistrationNo = '" + username + "')", sqlconn);
             
                sqlconn.Open();

                da.Fill(dt);
                sqlconn.Close();
                string coursid=dt.Rows[0][10].ToString();

                System.Data.SqlClient.SqlDataAdapter da1 = new System.Data.SqlClient.SqlDataAdapter();
                System.Data.DataTable dt1 = new System.Data.DataTable();

                da1.SelectCommand = new System.Data.SqlClient.SqlCommand("SELECT contents FROM Contents WHERE CourseId='"+ coursid +"'",sqlconn);
                da1.Fill(dt1);
                int i = 0;

               

                // foreach (System.Data.DataRow dr in dt.Rows)
                {
                    //SqlCommand cmd = new SqlCommand("", sqlconn);
                    name = dt.Rows[0][0].ToString();
                    fname=dt.Rows[0][1].ToString();
                    //string formate = "DD MM,YYYY";
                    coursestrtdat = dt.Rows[0][2].ToString() ;
                    coursestrtdat = coursestrtdat.Replace("/", "-");
                    string mnth = coursestrtdat.Substring(0, 2);
                    string datt = coursestrtdat.Substring(3, 2);
                    string year = coursestrtdat.Substring(6);
                    coursestrtdat = datt + "-" + mnth + "-" + year;
                    courseenddate =dt.Rows[0][3].ToString();
                    courseenddate = courseenddate.Replace("/", "-");
                    string mnth1 = courseenddate.Substring(0, 2);
                    string datt1 = courseenddate.Substring(3, 2);
                    string year1 = courseenddate.Substring(6);
                    courseenddate = datt1 + "-" + mnth1 + "-" + year1;
                    percnt =dt.Rows[0][4].ToString();
                    grade =dt.Rows[0][5].ToString();
                    registration = username;
                    trid = dt.Rows[0][8].ToString();
                    testdt = dt.Rows[0][7].ToString();
                    testname = dt.Rows[0][6].ToString();
                    string certf=dt.Rows[0][9].ToString();
                   
                    string path = "";
                    if (certf == "Certificate")
                    {
                        path = "regularcertificate.jpg";
                    }
                    else
                    {
                        path = "Regular Diploma.jpg";
                    }
                    name = name.ToUpper();
                   
                    //courseenddate = courseenddate.ToString(formate);

                    System.Drawing.Bitmap bitMapImage = new System.Drawing.Bitmap(Server.MapPath("images\\"+path));

                    System.Drawing.Graphics graphicImage = System.Drawing.Graphics.FromImage(bitMapImage);
                    int count = name.Length;
                    int count1 = testname.Length;
                    int j = 330;
                    foreach (System.Data.DataRow dtr in dt1.Rows)
                    {

                        string content = dtr[0].ToString();
                        content="* " + content;
                        i++;
                        graphicImage.DrawString(content, new System.Drawing.Font("Arial", 10, System.Drawing.FontStyle.Regular), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(1150, j));
                        j = j + 40;


                    }
                    percnt = percnt + " %";

                   

                    graphicImage.DrawString(name, new System.Drawing.Font("Arial", 15, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(420, 515));
                    graphicImage.DrawString(fname, new System.Drawing.Font("Arial", 15, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(420, 590));
                    graphicImage.DrawString(coursestrtdat, new System.Drawing.Font("Arial", 15, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(625, 664));
                    graphicImage.DrawString(courseenddate, new System.Drawing.Font("Arial", 15, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(900, 664));
                    graphicImage.DrawString(percnt, new System.Drawing.Font("Arial", 15, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(215, 744));
                    graphicImage.DrawString(grade, new System.Drawing.Font("Arial", 15, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(695, 744));
                    graphicImage.DrawString(testdt, new System.Drawing.Font("Arial", 15, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(899, 742));

                    graphicImage.DrawString(testname, new System.Drawing.Font("Arial", 10, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(1250, 210));
                  
                    graphicImage.DrawString(registration, new System.Drawing.Font("Arial", 10, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(1300, 85));

                    graphicImage.DrawString(trid, new System.Drawing.Font("Arial", 10, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(1300, 950));
                    graphicImage.DrawString("Transcript ID.-------------------------------------", new System.Drawing.Font("Arial", 10, System.Drawing.FontStyle.Italic), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(1140, 960));

                    //graphicImage.DrawImage(graphicImg, 200, 200);
                    // graphicImage.DrawString(testname, new System.Drawing.Font("Arial", 15, System.Drawing.FontStyle.Bold), System.Drawing.SystemBrushes.WindowText, new System.Drawing.PointF(410, 320));
                  
                    Response.ContentType = "image/jpeg";
                    bitMapImage.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
                    //bitMapImage.Save("bitmaptest.jpg", ImageFormat.Jpeg);
                    graphicImage.Dispose();
                    bitMapImage.Dispose();