Save image with printed text on it

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Configuration;
using System.Data.SqlClient;
using System.Data;
/// <summary>
/// Summary description for ImageCls
/// </summary>
public class ImageCls
{
    SqlConnection mycon;
    public ImageCls()
    {
        string contring = WebConfigurationManager.ConnectionStrings["ApplicationServices"].ConnectionString;
        mycon = new SqlConnection(contring);
    }
    public DataTable GetImage()
    {
        SqlCommand cmd = new SqlCommand("spGetImage", mycon);
        cmd.CommandType = CommandType.StoredProcedure;
        SqlDataAdapter da = new SqlDataAdapter(cmd);
        DataTable dt = new DataTable();
        da.Fill(dt);
        return dt;
    }
    public void SaveImage(Dictionary<string, string> parameters)
    {
        string cmdtxt = string.Empty;
        string cmdval = string.Empty;
        SqlCommand cmd = new SqlCommand("spSaveImage", mycon);
        cmd.CommandType = CommandType.StoredProcedure;

        for (int i = 0; i < parameters.Count; i++)
        {
            cmd.Parameters.AddWithValue("@" + parameters.ElementAt(i).Key, parameters.ElementAt(i).Value);
        }
        cmd.Connection = mycon;
        if (mycon.State == ConnectionState.Closed)
        {
            mycon.Open();
        }
        cmd.ExecuteNonQuery();
        mycon.Close();
    }
    public void DeleteImage(int ImageID)
    {
        string cmdtxt = string.Empty;
        string cmdval = string.Empty;
        SqlCommand cmd = new SqlCommand("spDeleteImage", mycon);
        cmd.CommandType = CommandType.StoredProcedure;
        cmd.Parameters.AddWithValue("@ImageID", ImageID);
        cmd.Connection = mycon;
        if (mycon.State == ConnectionState.Closed)
        {
            mycon.Open();
        }
        cmd.ExecuteNonQuery();
        mycon.Close();
    }
}