C# - Sql Syntax And / Or Code - Get The Populatewallposts Select Statement To Work?

how to fix my sql syntax so my code works again, i made a few manual entrys for now to see if I can get them to be displayed: The FriendUserID relates to another UserID in the usertable who has obviously a different picture and information but I dont know how to display to concurrent WallPosting's from different users atm.

my code creates a dynamic div gives the div an ID = to the userid and input the wallpost messgaes named wallpostings, it takes the information stored about the userid and applys the image related to that userid, is there any way this can be changed with sql? or have i went down a one way alley?

public partial class UserProfileWall : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (Page.IsPostBack)
{
//It is a postback so check if it was by div click (NOT WORKING because the javascript isnt posting back)
string target = Request["__EVENTTARGET"];
if (target == "DivClicked")
{
string id = Request["__EVENTARGUMENT"];
//Call my delete function passing record id
using (OdbcConnection cn = new OdbcConnection("Driver={MySQL ODBC 3.51 Driver}; Server=localhost; Database=gymwebsite2; User=root; Password=commando;"))
{
cn.Open();
using (OdbcCommand cmd = new OdbcCommand("DELETE FROM WallPosting WHERE idWallPosting="+id, cn))
{
cmd.ExecuteNonQuery();
}..............