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Server Error in '/' Application.

Parser Error

Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Could not create type 'OCMS.ImageHandler'. Source Error:

Line 1:  <%@ WebHandler Language="C#" CodeBehind="ImageHandler.ashx.cs" Class="OCMS.ImageHandler" %>

Source File: /ImageHandler.ashx    Line: 1

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4330.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.SqlClient;

namespace OCMS
{
    /// <summary>
    /// Summary description for ImageHandler
    /// </summary>
    public class ImageHandler : IHttpHandler
    {

        public void ProcessRequest(HttpContext context)
        {
            string imageId = context.Request.QueryString["Id"].ToString();
            SqlConnection con = new SqlConnection(@"Data Source=(localdb)\Projects;Initial Catalog=OCMS;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False");
            SqlCommand cmd = new SqlCommand("select Image from IT_comp_box where COMP_ID=" + imageId, con);
            con.Open();
            SqlDataReader dr = cmd.ExecuteReader();
            dr.Read();
            context.Response.BinaryWrite((Byte[])dr[0]);
            context.Response.ContentType = "image/jpg";
            context.Response.End();
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}