TextEditor not inserting the right character into table

TextEditor not inserting the right character into table

html

 <cc1:Editor ID="txtEditor" runat="server"  CssClass="form-control" Width="100%" BackColor="WhiteSmoke" Height="600px" Font-Names="Comic Sans MS"/>

code

protected void btnSubmit_Click(object sender, EventArgs e)
    {
          if (Session["UserName"] != null && Session["UserName"].ToString() != string.Empty)
        {

            string username = Session["UserName"].ToString();
            //GetPost(username);
        }
    


            
            string str = ConfigurationManager.ConnectionStrings["conn"].ConnectionString;
            string getADPOST = "Insert INTO ReadMessage (UserName,FriendUserName,Title,Message) values (@UserName,@FriendUserName,@Title,@Message)";
            // string getADPOST = "Insert INTO CommunityFollow  (MyUserName,FriendUserName,CommunityStatus) values (@MyUserName,@FriendUserName,1)";
            using (SqlConnection con = new SqlConnection(str))
            {
                con.Open();
                using (SqlCommand cmd = new SqlCommand(getADPOST, con))
                {
                    // Get Filename from fileupload control
                     //string filename = Path.GetFileName(FileUploadImage.PostedFile.FileName);
               //     //  Save images into Images folder
                  // Server.MapPath("~/UserImage/" + FileUploadImage.FileName);

                   //  cmd.Parameters.AddWithValue("@ImageName1", filename);
                   //  cmd.Parameters.AddWithValue("@ImageName1", "~/UserImage/" + filename);
                    cmd.Parameters.AddWithValue("@FriendUserName", txtTO.Text.Trim());
                    cmd.Parameters.AddWithValue("@Title", txtSubject.Text.Trim());
                    cmd.Parameters.AddWithValue("@Message", txtEditor.Content.Trim());
                    //  cmd.Parameters.AddWithValue("@UserName", Session["UserName"].ToString());
                    cmd.Parameters.AddWithValue("@UserName", Request.QueryString["Id"].ToString());
                  // cmd.Parameters.AddWithValue("@FriendUserName", Request.QueryString["Id"].ToString());
                    //cmd.Parameters.AddWithValue("@Id", Session["Id"].ToString());
                    SqlDataAdapter da = new SqlDataAdapter(cmd);
                    DataTable ds = new DataTable();
                    da.Fill(ds);
                }
            }
        }
    }

the inserted character into table

  HJKL;<br />
<br />