Filter column name contain any space display error in SPgridview

ERROR: SPGridView_FilterCallbackErrorHandler() was called - result=DataBinding: 'Microsoft.SharePoint.WebControls.SPDataSourceViewResultItem' does not contain a property with the name 'Author Name' 

Me.gridView.FilterDataFields =Author Name,EmailID"

Me.gridView.FilteredDataSourcePropertyName = "SelectCommand"

Me.gridView.FilteredDataSourcePropertyFormat ="<View><Query><Where><Eq><FieldRef Name='{1}'/><Value Type='Text'>{0}</Value></Eq></Where></Query></View>"

Please advice on this issue.