AGLog.Write(AGLog.INFO, "start.aspx.cs: Checking version... :" + Session["AvantGo-Version"]); 

// Require client version 5 or better 
int RequiredMajorVersion = 5; 
string version = (string)Session["AvantGo-Version"]; 
if(version != null) { 
string [] vers = version.Split(''.''); 
if(vers.Length != 3 || 
System.Convert.ToInt16(vers[0]) < RequiredMajorVersion) { 
AGLog.Write(AGLog.WARN, 
"start.aspx.cs: Invalid client version: " + version 
+ "Device Type: " + 
(string)Session[ "MS_DEVICE_TYPE" ]); 
AGSyncLog.UpdateSyncStatus(syncId,"3000", 
"Invalid Client Version", 
transactionsQueued, 
transactionsProcessed, 
transactionsFailed); 
Response.Redirect( Request.ApplicationPath + 
"/avantgo/invalidclientpage/invalidclientpage.aspx"); 
return; 
} 
}

AGLog.Write(AGLog.INFO, "start.aspx.cs: Done checking version..."); 
}