Total no of records in webgrid

WebGrid dg= new WebGrid();

// Cast the WebDataGrid DataSource to a DataTable
DataTable dt = this._dg.DataSource as DataTable;

// Disable WebDataGrid Paging
_dg.Behaviors.Paging.Enabled = false;

// Retrieve DataTable Rows Count to display in Label
label1.Text = "Total Rows in DataTable = " + dt.Rows.Count;

// Retrieve WebDataGrid1 Rows Count displayed
label2.Text = "Total Rows in WebDataGrid = " + _dg.Rows.Count;

// Enable WebDataGrid Paging
_dg.Behaviors.Paging.Enabled = true;