check existence of table in axapta

This is sample code to  check existence of table in  axapta. This is just an example to check whether that table exist in AOT (Application object tree) or not.

If table exist then it will return true otherwise it will show error the table is already exists.

 public boolean modified()  
 {  
 boolean ret;  
 ret = super();  
 flag = false;  
 value= Controlname.valueStr();  
 flag = TableName::exist(value);  
 if (flag == true)  
 {  
 info("Already Exists");  
 }  
 return ret;  
 }