I'm using webgrid samples provided to update cell and save datatset back to DB.

The sample uses the code below. The project does not recognise 'this.Data' & 'RejectChanges()'

I have added using Infragistics.WebUI.UltraWebGrid;

            DataRow row=null;
            DataTable table=null;
            object key=e.Cell.Row.DataKey;
           
            table=this.Data.Tables[e.Cell.Band.BaseTableName];

            //Try to find the row that needs to be updated.
            if (key!=null)
                row=table.Rows.Find(key);

            //Try to update the cell in this row.
            if(row!=null)
            {
                try
                {
                    object newVal=e.Cell.Value;
                    if(e.Cell.Column.Key=="UnitPrice")newVal=String.Copy(e.Cell.Text).Replace("$","");
                    row[e.Cell.Column.Key]=newVal;
                }
                catch(Exception ex)
                {
                    Console.WriteLine(ex.Message);
                    this.Data.RejectChanges();
                }
            }