Default paging can be turned off by either setting the CurrentPage property to 0 or by setting the PageSize property to -1. Please refer the below code snippet which illustrates this:
this.GridGroupingControl1.PageSize = -1;
//this.GridGroupingControl1.CurrentPage = 0;
Me.GridGroupingControl1.PageSize = -1
'Me.GridGroupingControl1.CurrentPage = 0
This page will automatically be redirected to the sign-in page in 10 seconds.