I don’t know why my data long existed but this morning I access through GetView(…) and I get null value. After 3 tries, I got the right result. Can anyone help me to fix this problem? Tks 
This problem has lasted for weeks with me
I don’t know why my data long existed but this morning I access through GetView(…) and I get null value. After 3 tries, I got the right result. Can anyone help me to fix this problem? Tks This problem has lasted for weeks with me