ANAshok N Syncfusion Team September 5, 2017 06:41 AM UTC
Thanks for contacting Syncfusion support.
You can achieve your requirement by writing a Style class overriding from DataGridStyle and assigning it to the SfDataGrid.GridStyle property. In override style class you can override GetGridLinesVisibility method and return GridLinesVisibility as None for removing the line from SfDataGrid. Please refer the below UG link to get more details about this